/* ==========================================================================
   Phou Samnang - Professional Portfolio Stylesheet
   Modern Glassmorphism, Dynamic Theming, and Responsive Layout
   ========================================================================== */

/* --- Theme Custom Properties --- */
:root[data-theme="dark"] {
    --bg-color: #080b14;
    --bg-gradient: radial-gradient(ellipse 90% 70% at 50% -10%, #111a2f 0%, #080b14 70%);
    --surface-color: rgba(16, 22, 36, 0.72);
    --surface-hover: rgba(24, 33, 54, 0.85);
    --surface-card: rgba(14, 20, 34, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(56, 189, 248, 0.45);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-color: #38bdf8;
    --accent-hover: #0ea5e9;
    --accent-glow: rgba(56, 189, 248, 0.28);
    --grid-line: rgba(255, 255, 255, 0.032);
    --grid-dot: rgba(56, 189, 248, 0.15);
    --nav-bg: rgba(8, 11, 20, 0.82);
    --title-gradient: linear-gradient(135deg, #ffffff 0%, #e2e8f0 45%, #94a3b8 100%);
    --modal-bg: #0d121f;
    --modal-overlay: rgba(3, 7, 18, 0.85);
    --orb-1: rgba(56, 189, 248, 0.22);
    --orb-2: rgba(129, 140, 248, 0.18);
    --orb-3: rgba(16, 185, 129, 0.12);
    --cursor-glow: rgba(56, 189, 248, 0.07);
    --close-btn-bg: rgba(255, 255, 255, 0.08);
    --input-bg: rgba(255, 255, 255, 0.04);
    --shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.5);
}

:root[data-theme="light"] {
    --bg-color: #f8fafc;
    --bg-gradient: radial-gradient(ellipse 90% 70% at 50% -10%, #eef2ff 0%, #f8fafc 80%);
    --surface-color: rgba(255, 255, 255, 0.82);
    --surface-hover: rgba(255, 255, 255, 0.98);
    --surface-card: rgba(255, 255, 255, 0.88);
    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(2, 132, 199, 0.35);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-color: #0284c7;
    --accent-hover: #0369a1;
    --accent-glow: rgba(2, 132, 199, 0.16);
    --grid-line: rgba(15, 23, 42, 0.035);
    --grid-dot: rgba(2, 132, 199, 0.09);
    --nav-bg: rgba(248, 250, 252, 0.86);
    --title-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #475569 100%);
    --modal-bg: #ffffff;
    --modal-overlay: rgba(15, 23, 42, 0.45);
    --orb-1: rgba(56, 189, 248, 0.14);
    --orb-2: rgba(167, 139, 250, 0.12);
    --orb-3: rgba(52, 211, 153, 0.09);
    --cursor-glow: rgba(2, 132, 199, 0.04);
    --close-btn-bg: rgba(0, 0, 0, 0.06);
    --input-bg: rgba(0, 0, 0, 0.02);
    --shadow-subtle: 0 10px 25px rgba(0, 0, 0, 0.06);
}

/* --- Base & Reset --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.65;
    overflow-x: hidden;
    min-height: 100vh;
    transition: background-color 0.4s ease, color 0.4s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Professional Animated Background System --- */
.bg-container {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    background-color: var(--bg-color);
    background-image: var(--bg-gradient);
    transition: background-color 0.5s ease, background-image 0.5s ease;
}

/* 1. Interactive High-Tech Canvas Mesh */
.bg-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 2;
    pointer-events: none;
    opacity: 0.9;
    transition: opacity 0.5s ease;
}

/* 2. Cyber Grid & Dot Intersection Matrix with Center Radial Fade */
.bg-grid-pattern {
    position: absolute;
    inset: -20px;
    width: calc(100% + 40px);
    height: calc(100% + 40px);
    z-index: 3;
    background-image:
        radial-gradient(circle, var(--grid-dot) 1.2px, transparent 1.2px),
        linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
    background-size: 44px 44px, 44px 44px, 44px 44px;
    background-position: 0 0, 0 0, 0 0;
    -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 28%, black 15%, transparent 85%);
    mask-image: radial-gradient(ellipse 75% 65% at 50% 28%, black 15%, transparent 85%);
    animation: gridBreatheDrift 50s linear infinite alternate;
    pointer-events: none;
}

@keyframes gridBreatheDrift {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 0.85;
    }
    50% {
        transform: translate3d(8px, 16px, 0) scale(1.015);
        opacity: 1;
    }
    100% {
        transform: translate3d(-8px, 32px, 0) scale(1);
        opacity: 0.85;
    }
}

/* 3. Multi-Chromatic Aurora Blooms */
.bg-aurora {
    position: absolute;
    inset: 0;
    z-index: 1;
    filter: blur(100px);
    -webkit-filter: blur(100px);
    overflow: hidden;
    pointer-events: none;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    will-change: transform;
    transition: background 0.5s ease;
    mix-blend-mode: screen;
}

[data-theme="light"] .bg-orb {
    mix-blend-mode: multiply;
    filter: blur(80px);
}

.orb-1 {
    top: -12%;
    left: 8%;
    width: 52vw;
    height: 52vw;
    max-width: 680px;
    max-height: 680px;
    background: var(--orb-1);
    animation: auroraFloat1 20s cubic-bezier(0.42, 0, 0.58, 1) infinite alternate;
}

.orb-2 {
    top: 32%;
    right: -8%;
    width: 48vw;
    height: 48vw;
    max-width: 620px;
    max-height: 620px;
    background: var(--orb-2);
    animation: auroraFloat2 24s cubic-bezier(0.42, 0, 0.58, 1) infinite alternate;
}

.orb-3 {
    bottom: -10%;
    left: 22%;
    width: 44vw;
    height: 44vw;
    max-width: 560px;
    max-height: 560px;
    background: var(--orb-3);
    animation: auroraFloat3 28s cubic-bezier(0.42, 0, 0.58, 1) infinite alternate;
}

@keyframes auroraFloat1 {
    0% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
    50% { transform: translate3d(45px, 35px, 0) scale(1.12) rotate(15deg); }
    100% { transform: translate3d(-35px, 50px, 0) scale(0.95) rotate(-12deg); }
}

@keyframes auroraFloat2 {
    0% { transform: translate3d(0, 0, 0) scale(0.95) rotate(0deg); }
    50% { transform: translate3d(-50px, -40px, 0) scale(1.15) rotate(-18deg); }
    100% { transform: translate3d(30px, 35px, 0) scale(0.92) rotate(12deg); }
}

@keyframes auroraFloat3 {
    0% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(40px, -30px, 0) scale(1.1); }
    100% { transform: translate3d(-45px, 25px, 0) scale(0.96); }
}

/* 4. Interactive Spotlight Cursor Glow */
.bg-cursor-glow {
    position: absolute;
    top: 0; left: 0;
    width: 650px; height: 650px;
    margin-left: -325px;
    margin-top: -325px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--cursor-glow) 0%, transparent 65%);
    pointer-events: none;
    z-index: 4;
    opacity: 0;
    transition: opacity 0.5s ease;
    transform: translate3d(-1000px, -1000px, 0);
    will-change: transform, opacity;
}

.bg-cursor-glow.active {
    opacity: 1;
}

/* 5. Radial Edge Falloff for Perfect Text Contrast */
.bg-radial-falloff {
    position: absolute;
    inset: 0;
    z-index: 5;
    pointer-events: none;
    background: radial-gradient(circle at 50% 50%, transparent 45%, var(--bg-color) 120%);
    opacity: 0.55;
    transition: background 0.5s ease;
}

/* --- Navigation Header --- */
nav.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    padding: 1rem 1.5rem;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.4s ease, border-color 0.4s ease;
}

.nav-brand {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand span.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

.nav-links {
    display: flex;
    gap: clamp(0.8rem, 2.5vw, 1.8rem);
    align-items: center;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.25s ease;
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--text-primary);
}

.nav-links a.active {
    color: var(--accent-color);
    font-weight: 600;
    background: var(--input-bg);
}

/* --- Page Hero Header (for multi-page views) --- */
.page-hero {
    margin-bottom: clamp(2.5rem, 6vh, 3.5rem);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

.page-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-color);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 0.9rem;
}

.page-hero-title {
    font-size: clamp(2rem, 4.5vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
    background: var(--title-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.15;
}

.page-hero-subtitle {
    font-size: clamp(0.98rem, 2vw, 1.12rem);
    color: var(--text-secondary);
    max-width: 720px;
    line-height: 1.65;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

/* --- Language Switcher --- */
.lang-switch-group {
    display: inline-flex;
    align-items: center;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2px 4px;
    user-select: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.lang-switch-group:hover {
    border-color: var(--border-hover);
}

.lang-btn {
    color: var(--text-muted);
    text-decoration: none;
    padding: 3px 8px;
    border-radius: 14px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.25;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.lang-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .lang-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.lang-btn.active {
    color: var(--accent-color);
    background: rgba(56, 189, 248, 0.14);
    font-weight: 700;
}

[data-theme="light"] .lang-btn.active {
    background: rgba(2, 132, 199, 0.12);
    color: var(--accent-color);
}

.lang-divider {
    color: var(--border-color);
    font-size: 0.7rem;
    margin: 0 1px;
    user-select: none;
    opacity: 0.7;
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    transition: all 0.25s ease;
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: var(--surface-color);
    border-color: var(--border-hover);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

[data-theme="dark"] .sun-icon { opacity: 0; transform: rotate(-90deg) scale(0.5); }
[data-theme="dark"] .moon-icon { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .sun-icon { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .moon-icon { opacity: 0; transform: rotate(90deg) scale(0.5); }

/* --- Navigation Print Button --- */
.nav-print-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    height: 38px;
    padding: 0 0.85rem;
    border-radius: 20px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: inherit;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-print-btn:hover {
    color: var(--text-primary);
    background: var(--surface-color);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.nav-print-btn:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.nav-print-btn .print-icon {
    width: 15px;
    height: 15px;
    stroke: currentColor;
    flex-shrink: 0;
}

/* --- Container & Layout --- */
.container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: clamp(6.5rem, 14vh, 8.5rem) clamp(1.2rem, 5vw, 2.5rem) 4rem;
}

/* ==========================================================================
   Hero Section: Cyber-Physical Command Hub (Intense UI)
   ========================================================================== */
.hero {
    display: flex;
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
    margin-bottom: clamp(4rem, 10vh, 6rem);
}

.hero.hero-intense {
    display: grid;
    grid-template-columns: minmax(0, 1.28fr) minmax(320px, 0.92fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.8rem);
    margin-bottom: clamp(4rem, 9vh, 6rem);
}

.hero-main-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-visual-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.8rem;
    position: relative;
}

/* 1. Live Radar Status Beacon */
.hero-status-beacon {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.32);
    padding: 0.28rem 0.85rem;
    border-radius: 30px;
    margin-bottom: 1.1rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.15);
    transition: all 0.3s ease;
}

.hero-status-beacon:hover {
    border-color: rgba(16, 185, 129, 0.6);
    background: rgba(16, 185, 129, 0.14);
    box-shadow: 0 0 24px rgba(16, 185, 129, 0.28);
}

.beacon-pulse {
    position: relative;
    width: 10px;
    height: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.beacon-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #10b981;
    box-shadow: 0 0 10px #10b981;
}

.beacon-ping {
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1.5px solid #10b981;
    animation: beaconPing 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes beaconPing {
    0% { transform: scale(0.8); opacity: 0.9; }
    70%, 100% { transform: scale(2.4); opacity: 0; }
}

.beacon-text {
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #34d399;
    text-transform: uppercase;
}

[data-theme="light"] .beacon-text {
    color: #059669;
}

/* 2. Hero Typography */
.hero-title {
    font-size: clamp(2.3rem, 5.2vw, 3.6rem);
    font-weight: 800;
    letter-spacing: -0.038em;
    margin-bottom: 0.65rem;
    line-height: 1.1;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.2rem 0.4rem;
}

.name-zh {
    font-weight: 800;
    color: var(--text-primary);
    text-shadow: 0 0 24px rgba(56, 189, 248, 0.2);
}

.name-sep {
    color: var(--text-muted);
    font-weight: 300;
    margin: 0 0.25rem;
    opacity: 0.6;
}

.name-en {
    font-weight: 800;
    background: var(--title-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #38bdf8 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="light"] .gradient-text {
    background: linear-gradient(135deg, #0f172a 0%, #0284c7 50%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 3. Dynamic Typewriter Role Rotator */
.hero-dynamic-role-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(56, 189, 248, 0.07);
    border: 1px solid rgba(56, 189, 248, 0.28);
    padding: 0.38rem 0.95rem;
    border-radius: 8px;
    margin-bottom: 0.9rem;
    font-size: clamp(0.88rem, 2vw, 1.02rem);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 0 18px rgba(56, 189, 248, 0.12);
}

.hero-dynamic-role-badge .role-icon {
    color: var(--accent-color);
    font-size: 1rem;
    filter: drop-shadow(0 0 6px var(--accent-color));
}

.hero-dynamic-role-badge .role-prefix {
    font-family: 'JetBrains Mono', monospace, monospace;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.dynamic-role-text {
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: -0.01em;
    min-height: 1.3em;
    display: inline-block;
}

.blinking-caret {
    display: inline-block;
    color: var(--accent-color);
    font-weight: 800;
    margin-left: 2px;
    animation: blinkCursor 0.9s infinite;
}

@keyframes blinkCursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* 4. Hero Eyebrow Chips */
.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 0.9rem;
}

.eyebrow-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.28);
    color: #60a5fa;
    font-size: 0.76rem;
    font-weight: 600;
    padding: 0.22rem 0.65rem;
    border-radius: 20px;
    letter-spacing: 0.02em;
}

[data-theme="light"] .eyebrow-chip {
    background: rgba(2, 132, 199, 0.08);
    border-color: rgba(2, 132, 199, 0.25);
    color: #0284c7;
}

.location-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 500;
}

.hero-bio {
    font-size: clamp(0.96rem, 1.8vw, 1.05rem);
    color: var(--text-secondary);
    max-width: 660px;
    line-height: 1.7;
    margin-bottom: 1.3rem;
}

/* 5. Professional 4-Featured Highlight Cards (Full-Width Bottom Glassmorphism Grid) */
.hero-metrics-hud {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.15rem;
    width: 100%;
    margin-top: 0.35rem;
    margin-bottom: 0;
}

.metric-card {
    --card-accent: #38bdf8;
    --card-accent-rgb: 56, 189, 248;
    background: linear-gradient(145deg, rgba(20, 29, 49, 0.76) 0%, rgba(11, 16, 29, 0.64) 100%);
    backdrop-filter: blur(22px) saturate(165%);
    -webkit-backdrop-filter: blur(22px) saturate(165%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.2rem 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.9rem;
    text-align: left;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.3s ease,
                box-shadow 0.3s ease,
                background 0.3s ease;
    box-shadow: 0 10px 30px -6px rgba(0, 0, 0, 0.38),
                inset 0 1px 0 rgba(255, 255, 255, 0.14);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

/* Specular Top Accent Line */
.metric-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2.5px;
    background: linear-gradient(90deg, rgba(var(--card-accent-rgb), 0.9), rgba(var(--card-accent-rgb), 0.18));
    opacity: 0.65;
    transition: opacity 0.3s ease, height 0.3s ease;
    z-index: 2;
}

/* Ambient Corner Glass Glow & Mouse Spotlight */
.metric-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(240px circle at var(--mouse-x, 100%) var(--mouse-y, 0%), rgba(var(--card-accent-rgb), 0.14), transparent 70%),
        radial-gradient(160px circle at 95% 5%, rgba(var(--card-accent-rgb), 0.12), transparent 72%);
    pointer-events: none;
    z-index: 0;
    transition: opacity 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--card-accent-rgb), 0.48);
    background: linear-gradient(145deg, rgba(26, 37, 62, 0.84) 0%, rgba(14, 21, 37, 0.72) 100%);
    box-shadow: 0 16px 36px -6px rgba(0, 0, 0, 0.45),
                0 0 24px rgba(var(--card-accent-rgb), 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.metric-card:hover::before {
    opacity: 1;
}

/* Card Top Bar with Dedicated Glow Icon Badge and Category Pill */
.metric-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 100%;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.metric-icon-badge {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
    background: radial-gradient(circle at 30% 25%, rgba(var(--card-accent-rgb), 0.26), rgba(var(--card-accent-rgb), 0.08) 78%);
    border: 1px solid rgba(var(--card-accent-rgb), 0.4);
    color: var(--card-accent);
    box-shadow: 0 0 18px rgba(var(--card-accent-rgb), 0.26),
                inset 0 1px 0 rgba(255, 255, 255, 0.24);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.3s ease,
                border-color 0.3s ease;
}

.metric-icon-glow {
    position: absolute;
    inset: -3px;
    border-radius: 14px;
    background: radial-gradient(circle, rgba(var(--card-accent-rgb), 0.45) 0%, transparent 70%);
    filter: blur(8px);
    opacity: 0.65;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.metric-icon-badge svg {
    position: relative;
    z-index: 1;
    width: 20px;
    height: 20px;
    stroke-width: 2.1;
    filter: drop-shadow(0 0 6px rgba(var(--card-accent-rgb), 0.6));
    transition: transform 0.3s ease, filter 0.3s ease;
}

.metric-card:hover .metric-icon-badge {
    transform: translateY(-2px) scale(1.06);
    border-color: rgba(var(--card-accent-rgb), 0.68);
    box-shadow: 0 0 26px rgba(var(--card-accent-rgb), 0.44),
                inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.metric-card:hover .metric-icon-glow {
    opacity: 1;
    transform: scale(1.12);
}

.metric-category-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.38rem;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.3rem 0.66rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(var(--card-accent-rgb), 0.16), rgba(var(--card-accent-rgb), 0.06));
    border: 1px solid rgba(var(--card-accent-rgb), 0.32);
    color: var(--card-accent);
    line-height: 1;
    white-space: nowrap;
    flex-shrink: 0;
    box-shadow: 0 2px 10px rgba(var(--card-accent-rgb), 0.12),
                inset 0 1px 0 rgba(255, 255, 255, 0.14);
    transition: all 0.3s ease;
}

.metric-tag-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--card-accent);
    box-shadow: 0 0 8px var(--card-accent);
    flex-shrink: 0;
}

.metric-card:hover .metric-category-tag {
    background: linear-gradient(135deg, rgba(var(--card-accent-rgb), 0.24), rgba(var(--card-accent-rgb), 0.1));
    border-color: rgba(var(--card-accent-rgb), 0.52);
    box-shadow: 0 4px 14px rgba(var(--card-accent-rgb), 0.22),
                inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

/* Card Typography Stack (Full Unclipped Text, No Ellipsis) */
.metric-data {
    display: flex;
    flex-direction: column;
    gap: 0.22rem;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.metric-value {
    font-size: 1.24rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--card-accent);
    text-shadow: 0 0 18px rgba(var(--card-accent-rgb), 0.25);
    margin-bottom: 0.08rem;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
}

.metric-label {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.38;
    letter-spacing: -0.01em;
    display: block;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    overflow-wrap: break-word;
}

.metric-sub {
    font-size: 0.77rem;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1.45;
    display: block;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    overflow-wrap: break-word;
}

/* Thematic Color Palettes for the 4 Highlight Cards */
/* Card 1: National Award (Warm Gold / Amber) */
.metric-award {
    --card-accent: #fbbf24;
    --card-accent-rgb: 245, 158, 11;
}

/* Card 2: Hardware & RTL Synthesis (Electric Violet / Indigo) */
.metric-fpga {
    --card-accent: #c084fc;
    --card-accent-rgb: 168, 85, 247;
}

/* Card 3: Computer Vision & Algorithms (Emerald / Mint) */
.metric-cv {
    --card-accent: #34d399;
    --card-accent-rgb: 16, 185, 129;
}

/* Card 4: Trilingual & Global Adaptability (Cyan / Sky Blue) */
.metric-lang {
    --card-accent: #38bdf8;
    --card-accent-rgb: 56, 189, 248;
}

/* Light Mode Refinements for Glassmorphism Highlight Cards */
[data-theme="light"] .metric-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.92) 0%, rgba(248, 250, 252, 0.84) 100%);
    border-color: rgba(15, 23, 42, 0.09);
    box-shadow: 0 8px 24px -4px rgba(15, 23, 42, 0.06),
                0 2px 6px rgba(15, 23, 42, 0.03),
                inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .metric-card:hover {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98) 0%, rgba(241, 245, 249, 0.92) 100%);
    border-color: rgba(var(--card-accent-rgb), 0.45);
    box-shadow: 0 14px 30px -4px rgba(15, 23, 42, 0.1),
                0 0 20px rgba(var(--card-accent-rgb), 0.15);
}

[data-theme="light"] .metric-value {
    text-shadow: none;
}

[data-theme="light"] .metric-icon-badge {
    background: radial-gradient(circle at 30% 25%, rgba(var(--card-accent-rgb), 0.18), rgba(var(--card-accent-rgb), 0.06) 78%);
    border-color: rgba(var(--card-accent-rgb), 0.32);
    box-shadow: 0 4px 14px rgba(var(--card-accent-rgb), 0.18),
                inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .metric-icon-badge svg {
    filter: drop-shadow(0 0 4px rgba(var(--card-accent-rgb), 0.35));
}

[data-theme="light"] .metric-award {
    --card-accent: #d97706;
    --card-accent-rgb: 217, 119, 6;
}

[data-theme="light"] .metric-fpga {
    --card-accent: #6366f1;
    --card-accent-rgb: 99, 102, 241;
}

[data-theme="light"] .metric-cv {
    --card-accent: #059669;
    --card-accent-rgb: 5, 150, 105;
}

[data-theme="light"] .metric-lang {
    --card-accent: #0284c7;
    --card-accent-rgb: 2, 132, 199;
}

/* 6. Hero Action Cluster */
.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1.45rem;
}

.hero-cta .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.01em;
    padding: 0 1.25rem;
    height: 42px;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
    -webkit-user-select: none;
}

.hero-cta .btn:active {
    transform: translateY(0) scale(0.98);
}

/* Primary Luminous Action Button */
.btn-glow {
    background: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #4338ca 100%);
    color: #ffffff !important;
    border: 1px solid rgba(56, 189, 248, 0.45);
    box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.2), 0 4px 18px rgba(37, 99, 235, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-glow::after {
    content: "";
    position: absolute;
    top: 0;
    left: -120%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.26), transparent);
    transform: skewX(-22deg);
    transition: left 0.65s ease;
    pointer-events: none;
}

.btn-glow:hover {
    background: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 50%, #4f46e5 100%);
    border-color: rgba(56, 189, 248, 0.7);
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.5), 0 8px 28px rgba(37, 99, 235, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.btn-glow:hover::after {
    left: 150%;
}

.btn-glow .btn-arrow {
    width: 15px;
    height: 15px;
    stroke: currentColor;
    flex-shrink: 0;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-glow:hover .btn-arrow {
    transform: translateX(4px);
}

/* Secondary Frosted Glass Contact Button */
.hero-cta .btn-secondary {
    background: var(--surface-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.hero-cta .btn-secondary:hover {
    background: var(--surface-hover);
    border-color: rgba(56, 189, 248, 0.5);
    color: #38bdf8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.22);
}

.hero-cta .btn-secondary .btn-icon {
    width: 15px;
    height: 15px;
    stroke: currentColor;
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.hero-cta .btn-secondary:hover .btn-icon {
    transform: scale(1.1);
}

/* Quick Copy Email Button */
.btn-copy-email {
    background: var(--surface-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.btn-copy-email:hover {
    background: var(--surface-hover);
    border-color: rgba(56, 189, 248, 0.5);
    color: #38bdf8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.2);
}

.btn-copy-email .copy-icon {
    width: 15px;
    height: 15px;
    stroke: currentColor;
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.btn-copy-email:hover .copy-icon {
    transform: scale(1.1);
}

/* Copy Email Verified State */
.btn-copy-email.copied {
    background: rgba(16, 185, 129, 0.16) !important;
    border-color: #10b981 !important;
    color: #10b981 !important;
    box-shadow: 0 0 18px rgba(16, 185, 129, 0.38) !important;
    transform: translateY(-1px);
}

/* Print / PDF Export Button */
.hero-cta .btn-print {
    background: var(--surface-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.hero-cta .btn-print:hover {
    background: var(--surface-hover);
    border-color: rgba(168, 85, 247, 0.5);
    color: #c084fc;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(168, 85, 247, 0.22);
}

.hero-cta .btn-print .print-icon {
    width: 15px;
    height: 15px;
    stroke: currentColor;
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.hero-cta .btn-print:hover .print-icon {
    transform: scale(1.1);
}

/* Light Theme Refinements for Hero Buttons */
[data-theme="light"] .hero-cta .btn-secondary,
[data-theme="light"] .btn-copy-email,
[data-theme="light"] .hero-cta .btn-print {
    background: #ffffff;
    border-color: #cbd5e1;
    color: #0f172a;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .hero-cta .btn-secondary:hover,
[data-theme="light"] .btn-copy-email:hover {
    background: #f8fafc;
    border-color: #0284c7;
    color: #0284c7;
    box-shadow: 0 6px 16px rgba(2, 132, 199, 0.15);
}

[data-theme="light"] .btn-copy-email.copied {
    background: #ecfdf5 !important;
    border-color: #10b981 !important;
    color: #047857 !important;
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.25) !important;
}

[data-theme="light"] .hero-cta .btn-print:hover {
    background: #f8fafc;
    border-color: #9333ea;
    color: #7e22ce;
    box-shadow: 0 6px 16px rgba(147, 51, 234, 0.15);
}

/* 7. Quick Social Links Strip */
.hero-social-links {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.social-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: var(--surface-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.35rem 0.8rem;
    border-radius: 7px;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.social-pill:hover {
    color: var(--text-primary);
    border-color: var(--accent-color);
    background: var(--surface-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.2);
}

/* 8. Holographic Avatar with Cyber Orbit Rings */
.hero-avatar-wrapper {
    position: relative;
    width: 190px;
    height: 190px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.5rem;
}

.cyber-orbit-ring {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.cyber-orbit-ring.orbit-outer {
    width: 196px;
    height: 196px;
    border: 1.5px dashed rgba(56, 189, 248, 0.35);
    animation: spinOrbit 35s linear infinite;
    box-shadow: 0 0 18px rgba(56, 189, 248, 0.1);
}

.cyber-orbit-ring.orbit-inner {
    width: 174px;
    height: 174px;
    border: 1px dotted rgba(129, 140, 248, 0.35);
    animation: spinOrbitReverse 22s linear infinite;
}

@keyframes spinOrbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes spinOrbitReverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

.profile-avatar-container {
    position: relative;
    cursor: pointer;
    border-radius: 50%;
    padding: 5px;
}

.avatar-ring-glow {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 72%);
    opacity: 0.45;
    filter: blur(14px);
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.profile-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
    box-shadow: 0 0 35px var(--accent-glow);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s, border-color 0.4s;
    background-color: var(--surface-card);
    display: block;
    position: relative;
    z-index: 1;
}

.profile-avatar-container:hover .profile-avatar {
    transform: scale(1.05) rotate(1deg);
    box-shadow: 0 16px 45px rgba(56, 189, 248, 0.5);
    border-color: #60a5fa;
}

.profile-avatar-container:hover .avatar-ring-glow {
    opacity: 0.75;
}

.avatar-status-pill {
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(16, 185, 129, 0.18);
    border: 1px solid rgba(16, 185, 129, 0.5);
    color: #34d399;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.22rem 0.65rem;
    border-radius: 20px;
    white-space: nowrap;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
    z-index: 3;
    letter-spacing: 0.02em;
}

.status-pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: #10b981;
    box-shadow: 0 0 8px #10b981;
    animation: statusPulseDot 1.6s infinite alternate;
}

@keyframes statusPulseDot {
    0% { transform: scale(0.85); opacity: 0.7; }
    100% { transform: scale(1.2); opacity: 1; }
}

/* 9. Interactive Cyber Terminal HUD Card */
.cyber-terminal-card {
    background: #090e1a;
    border: 1px solid rgba(56, 189, 248, 0.28);
    border-radius: 12px;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.55), 0 0 25px rgba(56, 189, 248, 0.12);
    width: 100%;
    max-width: 440px;
    overflow: hidden;
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    transition: all 0.3s ease;
}

[data-theme="light"] .cyber-terminal-card {
    background: #0f172a;
    border-color: rgba(2, 132, 199, 0.35);
    box-shadow: 0 14px 35px rgba(15, 23, 42, 0.2), 0 0 20px rgba(2, 132, 199, 0.1);
}

.cyber-terminal-card:hover {
    border-color: rgba(56, 189, 248, 0.55);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 32px rgba(56, 189, 248, 0.22);
}

.terminal-header {
    background: rgba(255, 255, 255, 0.04);
    padding: 0.6rem 0.95rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.terminal-dots {
    display: flex;
    gap: 6px;
    align-items: center;
}

.terminal-dots span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: block;
}

.dot-red { background: #ef4444; box-shadow: 0 0 6px rgba(239, 68, 68, 0.6); }
.dot-yellow { background: #f59e0b; box-shadow: 0 0 6px rgba(245, 158, 11, 0.6); }
.dot-green { background: #10b981; box-shadow: 0 0 6px rgba(16, 185, 129, 0.6); }

.terminal-title {
    font-size: 0.72rem;
    font-weight: 600;
    color: #94a3b8;
    letter-spacing: 0.04em;
}

.terminal-actions {
    display: flex;
    gap: 0.4rem;
}

.terminal-action-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.terminal-action-btn:hover {
    color: #38bdf8;
    background: rgba(255, 255, 255, 0.08);
}

.terminal-body {
    padding: 0.95rem 1.1rem;
    font-size: 0.78rem;
    line-height: 1.55;
    color: #e2e8f0;
}

.terminal-line {
    display: flex;
    gap: 0.45rem;
    align-items: center;
    margin-top: 0.5rem;
}

.terminal-line:first-child {
    margin-top: 0;
}

.term-prompt {
    color: #38bdf8;
    font-weight: 700;
    user-select: none;
}

.term-cmd {
    color: #f8fafc;
    font-weight: 600;
}

.terminal-output {
    margin-left: 0.85rem;
    margin-top: 0.25rem;
    font-size: 0.76rem;
}

.term-hilite {
    color: #38bdf8;
    font-weight: 600;
}

.term-code {
    color: #cbd5e1;
    white-space: pre;
    font-size: 0.74rem;
    line-height: 1.5;
}

.term-key {
    color: #c084fc;
}

.term-str {
    color: #34d399;
}

.term-success {
    color: #10b981;
    font-weight: 600;
}

.terminal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.45rem 1rem;
    background: rgba(0, 0, 0, 0.4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.68rem;
    color: #94a3b8;
}

.term-pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 6px #10b981;
    animation: statusPulseDot 1.4s infinite alternate;
}

.term-status-text {
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #34d399;
    margin-left: 0.35rem;
    margin-right: auto;
}

.term-uptime {
    font-family: inherit;
    opacity: 0.85;
}

/* --- Buttons & Links --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.65rem 1.3rem;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background-color: var(--surface-color);
    color: var(--text-primary);
    border-color: var(--border-color);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background-color: var(--surface-hover);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.btn-print {
    background-color: var(--surface-color);
    color: var(--text-primary);
    border-color: var(--border-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-family: inherit;
}

.btn-print:hover {
    background-color: var(--surface-hover);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-document {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.22));
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.35);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
}

.btn-document:hover {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    border-color: #10b981;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
    transform: translateY(-2px);
}

[data-theme="light"] .btn-document {
    background: #ecfdf5;
    color: #047857;
    border-color: #a7f3d0;
}

[data-theme="light"] .btn-document:hover {
    background: #10b981;
    color: #ffffff;
    border-color: #10b981;
}

.btn-print .print-icon {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    flex-shrink: 0;
}

/* --- Sections & Cyber Eyebrows --- */
section {
    margin-bottom: clamp(4rem, 9vh, 6rem);
}

.section-heading-wrap {
    margin-bottom: 2rem;
}

.section-eyebrow-tag {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--accent-color);
    text-transform: uppercase;
    margin-bottom: 0.4rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    opacity: 0.95;
    text-shadow: 0 0 10px var(--accent-glow);
}

.section-title {
    font-size: clamp(1.4rem, 3.2vw, 1.85rem);
    font-weight: 800;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.section-title::after {
    content: "";
    flex-grow: 1;
    height: 1.5px;
    background: linear-gradient(90deg, var(--border-hover) 0%, rgba(56, 189, 248, 0.12) 50%, transparent 100%);
    transition: background 0.4s ease;
}

/* --- About Grid Layout --- */
.about-grid-layout {
    display: grid;
    grid-template-columns: 1.25fr 0.95fr;
    gap: 1.8rem;
    align-items: stretch;
}

.about-card {
    background: var(--surface-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: clamp(1.4rem, 4vw, 2.2rem);
    box-shadow: var(--shadow-subtle);
    color: var(--text-secondary);
}

.about-narrative-card {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.about-header-tag .tag-accent {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-color);
    margin-bottom: 0.4rem;
}

.about-header-tag h3 {
    font-size: clamp(1.15rem, 2.5vw, 1.35rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.35;
    letter-spacing: -0.015em;
}

.about-lead {
    font-size: 0.98rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-highlights-list {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.3rem;
}

.about-highlight-item {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
}

.highlight-bullet {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    font-size: 0.72rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.about-highlight-item strong {
    display: block;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.about-highlight-item p {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* About Right Column Pillars */
.about-pillars-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pillar-card {
    background: var(--surface-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.15rem 1.3rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-subtle);
}

.pillar-card:hover {
    border-color: var(--border-hover);
    background: var(--surface-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2), 0 0 18px var(--accent-glow);
}

.pillar-icon {
    font-size: 1.4rem;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pillar-content h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

.pillar-content p {
    font-size: 0.83rem;
    line-height: 1.55;
    color: var(--text-secondary);
    margin: 0;
}

@media (max-width: 860px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }
    .hero-eyebrow,
    .hero-social-links,
    .hero-cta {
        justify-content: center;
    }
    .about-grid-layout {
        grid-template-columns: 1fr;
    }
}

/* --- Skills Showcase & Interactive Filter HUD --- */
.skills-filter-hud {
    background: var(--surface-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.1rem 1.4rem;
    margin-bottom: 2.2rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: var(--shadow-subtle);
}

.skills-search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1 1 280px;
    min-width: 240px;
}

.skills-search-wrapper .search-icon {
    position: absolute;
    left: 0.95rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: color 0.2s ease;
}

.skills-search-input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 0.55rem 2.2rem 0.55rem 2.5rem;
    font-size: 0.85rem;
    font-family: inherit;
    color: var(--text-primary);
    transition: all 0.25s ease;
}

.skills-search-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 16px var(--accent-glow);
    background: var(--surface-hover);
}

.skills-search-wrapper:focus-within .search-icon {
    color: var(--accent-color);
}

.skills-search-clear {
    position: absolute;
    right: 0.75rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
    padding: 2px 6px;
    border-radius: 50%;
    transition: color 0.2s ease;
}

.skills-search-clear:hover {
    color: var(--text-primary);
}

.skills-quick-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.skill-category-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.35rem 0.85rem;
    border-radius: 18px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-category-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-color);
    background: var(--surface-hover);
}

.skill-category-btn.active {
    background: rgba(56, 189, 248, 0.15);
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 12px var(--accent-glow);
}

[data-theme="light"] .skill-category-btn.active {
    background: rgba(2, 132, 199, 0.12);
    color: var(--accent-color);
}

.skills-categories-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.skills-category {
    margin-bottom: 0;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.95rem;
}

.category-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: 0 0 8px var(--accent-color);
}

.skills-category[data-category*="Hardware"] .category-dot,
.skills-category[data-category*="硬體"] .category-dot {
    background: #a78bfa;
    box-shadow: 0 0 8px #a78bfa;
}

.skills-category[data-category*="Tool"] .category-dot,
.skills-category[data-category*="工具"] .category-dot {
    background: #34d399;
    box-shadow: 0 0 8px #34d399;
}

.category-header h4 {
    font-size: 0.86rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    font-weight: 700;
    margin: 0;
}

.category-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.tag {
    background: var(--surface-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    padding: 0.45rem 0.9rem;
    border-radius: 8px;
    font-size: clamp(0.82rem, 1.5vw, 0.9rem);
    font-weight: 500;
    color: var(--text-primary);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    cursor: default;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.tag-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent-color);
    opacity: 0.7;
    transition: all 0.2s ease;
}

.tag.animate-in {
    animation: popIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes popIn {
    0% { opacity: 0; transform: translateY(10px) scale(0.92); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

.tag:hover {
    background: var(--surface-hover);
    border-color: var(--accent-color);
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 6px 18px rgba(56, 189, 248, 0.25);
    color: var(--accent-color);
}

.tag:hover .tag-dot {
    opacity: 1;
    transform: scale(1.4);
    box-shadow: 0 0 6px var(--accent-color);
}

.tag.dimmed {
    opacity: 0.18 !important;
    filter: grayscale(80%);
    transform: scale(0.95);
    pointer-events: none;
}

.tag.highlighted {
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 16px var(--accent-glow);
    background: var(--surface-hover);
    transform: translateY(-2px) scale(1.04);
}

.tag.highlighted .tag-dot {
    box-shadow: 0 0 8px var(--accent-color);
    transform: scale(1.3);
}

.skills-no-results {
    text-align: center;
    color: var(--text-muted);
    padding: 2.5rem 1rem;
    font-size: 0.94rem;
}

/* --- Project Category Filter Toolbar --- */
.project-filter-bar,
.projects-filter-bar {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    align-items: center;
}

.project-filter-btn {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.84rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    border-radius: 20px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: inherit;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.project-filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-color);
    background: var(--surface-hover);
    transform: translateY(-1px);
}

.project-filter-btn.active {
    background: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* --- Projects Grid (3D Tilt Cards) --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.6rem;
    perspective: 1200px;
}

.project-card {
    background: var(--surface-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: clamp(1.4rem, 4vw, 2rem);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    transform-style: preserve-3d;
    transition: transform 0.12s ease-out, border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    box-shadow: var(--shadow-subtle);
    position: relative;
    overflow: hidden;
}

/* Mouse-following spotlight overlay */
.card-spotlight {
    position: absolute;
    inset: 0;
    border-radius: 14px;
    background: radial-gradient(380px circle at var(--mouse-x, -999px) var(--mouse-y, -999px), rgba(56, 189, 248, 0.14), transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.project-card:hover .card-spotlight {
    opacity: 1;
}

.project-card:hover {
    border-color: var(--border-hover);
    background: var(--surface-hover);
    box-shadow: 0 16px 40px rgba(0,0,0,0.22), 0 0 28px var(--accent-glow);
}

.project-card > * {
    transform: translateZ(25px);
    position: relative;
    z-index: 1;
}

/* Project Thumbnail Image */
.project-card-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    max-height: 200px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1.25rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    position: relative;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    isolation: isolate;
}

.thumb-scanline-fx {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
    background-size: 100% 3px, 6px 100%;
    pointer-events: none;
    opacity: 0.35;
    transition: opacity 0.3s ease;
}

.project-card:hover .thumb-scanline-fx {
    opacity: 0.12;
}

[data-theme="light"] .project-card-thumb {
    background: #e2e8f0;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
}

.project-card:hover .project-card-thumb {
    border-color: var(--border-hover);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), 0 0 16px var(--accent-glow);
}

.project-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), filter 0.3s ease;
}

.project-card:hover .project-thumb-img {
    transform: scale(1.05);
}

.project-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    color: var(--accent-color);
    opacity: 0.75;
}

[data-theme="light"] .project-thumb-placeholder {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06) 0%, rgba(99, 102, 241, 0.06) 100%);
    color: var(--accent-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.project-card h3 {
    font-size: clamp(1.15rem, 2.4vw, 1.35rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.project-badge {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent-color);
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.badge-award {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.18), rgba(217, 119, 6, 0.25)) !important;
    border-color: rgba(245, 158, 11, 0.5) !important;
    color: #fbbf24 !important;
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.2) !important;
}

.badge-vision {
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: rgba(16, 185, 129, 0.45) !important;
    color: #34d399 !important;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.2) !important;
}

.badge-system {
    background: rgba(56, 189, 248, 0.14) !important;
    border-color: rgba(56, 189, 248, 0.4) !important;
    color: #38bdf8 !important;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.2) !important;
}

[data-theme="light"] .badge-award {
    color: #d97706 !important;
    background: #fef3c7 !important;
    border-color: #fde68a !important;
}

[data-theme="light"] .badge-vision {
    color: #047857 !important;
    background: #ecfdf5 !important;
    border-color: #a7f3d0 !important;
}

[data-theme="light"] .badge-system {
    color: #0284c7 !important;
    background: #f0f9ff !important;
    border-color: #bae6fd !important;
}

.project-header-badges {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.4rem;
}

.project-doc-pill {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #10b981;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.28);
    padding: 0.22rem 0.6rem;
    border-radius: 20px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.2s ease;
}

.project-card:hover .project-doc-pill {
    background: rgba(16, 185, 129, 0.22);
    border-color: rgba(16, 185, 129, 0.5);
    transform: translateY(-1px);
}

[data-theme="light"] .project-doc-pill {
    background: #ecfdf5;
    border-color: #a7f3d0;
    color: #047857;
}

[data-theme="light"] .project-card:hover .project-doc-pill {
    background: #d1fae5;
    border-color: #6ee7b7;
}

.project-card p.project-summary {
    color: var(--text-secondary);
    font-size: 0.94rem;
    line-height: 1.6;
    margin-bottom: 1.4rem;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.2rem;
}

.project-tags span {
    font-size: 0.75rem;
    padding: 0.2rem 0.55rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-secondary);
}

.project-footer {
    margin-top: auto;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent-color);
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    transition: gap 0.22s ease;
}

.footer-arrow {
    transition: transform 0.22s ease;
    display: inline-block;
}

.project-card:hover .project-footer {
    gap: 0.7rem;
}

.project-card:hover .footer-arrow {
    transform: translateX(4px);
}

/* --- Section More Links & Page CTA Cards --- */
.section-more-link {
    margin-top: 2rem;
    display: flex;
    justify-content: flex-end;
}

.page-cta-card {
    background: var(--surface-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: clamp(1.8rem, 4vw, 2.5rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 3.5rem;
    box-shadow: var(--shadow-subtle);
}

.page-cta-card h3 {
    font-size: clamp(1.15rem, 2.2vw, 1.35rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
    letter-spacing: -0.015em;
}

.page-cta-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin: 0;
    line-height: 1.55;
}

/* --- Contact Section: Mission Control & Telemetry --- */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

/* Contact Real-Time Telemetry Card */
.contact-telemetry-card {
    background: var(--surface-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    box-shadow: var(--shadow-subtle);
    border-left: 3px solid var(--accent-color);
}

.telemetry-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.telemetry-label {
    font-size: 0.73rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.telemetry-value {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 0.04em;
}

.telemetry-status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.76rem;
    font-weight: 600;
    color: #34d399;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
}

[data-theme="light"] .telemetry-status {
    color: #059669;
    background: rgba(16, 185, 129, 0.08);
}

.contact-item {
    background: var(--surface-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.25s ease;
}

.contact-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    background: var(--surface-hover);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.contact-item-interactive {
    cursor: default;
}

.contact-meta {
    flex-grow: 1;
}

.btn-item-action {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    border-radius: 8px;
    padding: 0.5rem 0.6rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.btn-item-action:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    background: var(--surface-hover);
    transform: scale(1.08);
}

.contact-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.25s ease;
}

.contact-icon-fb {
    background: rgba(24, 119, 242, 0.12);
    color: #1877f2;
}

.contact-icon-ig {
    background: rgba(225, 48, 108, 0.12);
    color: #e1306c;
}

.contact-icon-th {
    background: rgba(168, 85, 247, 0.12);
    color: #a855f7;
}

.contact-icon-tt {
    background: rgba(255, 0, 80, 0.12);
    color: #ff0050;
}

.contact-item:hover .contact-icon-fb {
    background: #1877f2;
    color: #ffffff;
}

.contact-item:hover .contact-icon-ig {
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: #ffffff;
}

.contact-item:hover .contact-icon-th {
    background: #a855f7;
    color: #ffffff;
}

.contact-item:hover .contact-icon-tt {
    background: #0f172a;
    color: #00f2fe;
}

.social-pill[title*="Facebook"]:hover {
    border-color: #1877f2;
    color: #1877f2;
}

.social-pill[title*="Instagram"]:hover {
    border-color: #e1306c;
    color: #e1306c;
}

.social-pill[title*="Threads"]:hover {
    border-color: #a855f7;
    color: #a855f7;
}

.social-pill[title*="TikTok"]:hover {
    border-color: #ff0050;
    color: #ff0050;
}

.contact-item h5 {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.2rem;
}

.contact-item p {
    font-size: 0.95rem;
    font-weight: 500;
}

/* Contact Form */
.contact-form {
    background: var(--surface-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: clamp(1.4rem, 4vw, 2.2rem);
    box-shadow: var(--shadow-subtle);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 16px var(--accent-glow);
}

textarea.form-control {
    resize: vertical;
    min-height: 110px;
}

.btn-submit-glow {
    position: relative;
    background: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%);
    box-shadow: 0 4px 18px rgba(37, 99, 235, 0.4);
    transition: all 0.25s ease;
}

.btn-submit-glow:hover {
    background: linear-gradient(135deg, #38bdf8 0%, #1d4ed8 100%);
    box-shadow: 0 6px 26px rgba(56, 189, 248, 0.5);
    transform: translateY(-2px);
}

.form-feedback {
    display: none;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.form-feedback.success {
    display: block;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.form-feedback.error {
    display: block;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* --- High-Tech Toast Notification --- */
.toast-notification {
    position: fixed;
    bottom: 2.2rem;
    left: 50%;
    transform: translateX(-50%) translateY(25px);
    background: rgba(10, 15, 29, 0.94);
    border: 1px solid rgba(56, 189, 248, 0.45);
    color: #f8fafc;
    padding: 0.65rem 1.35rem;
    border-radius: 30px;
    font-size: 0.86rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.55), 0 0 22px rgba(56, 189, 248, 0.28);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 3000;
    opacity: 0;
    pointer-events: none;
    transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.active {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-icon {
    color: #34d399;
    font-size: 1rem;
}

/* --- Project Details Modal --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100vh;
    background: var(--modal-overlay);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 1.2rem;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: var(--modal-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    width: 100%;
    max-width: 650px;
    max-height: 90vh;
    overflow-y: auto;
    padding: clamp(1.6rem, 5vw, 2.6rem);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.95) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.modal-overlay.active .modal-box {
    transform: scale(1) translateY(0);
}

.modal-close-btn {
    position: absolute;
    top: 1.2rem; right: 1.2rem;
    width: 36px; height: 36px;
    background: var(--close-btn-bg);
    backdrop-filter: blur(6px);
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
    z-index: 10;
}

.modal-close-btn:hover {
    background: var(--surface-hover);
    transform: scale(1.1);
    border-color: var(--accent-color);
}

.modal-img-preview {
    width: 100%;
    max-height: 280px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    display: none;
}

.modal-box h3 {
    font-size: clamp(1.3rem, 3.2vw, 1.6rem);
    margin-bottom: 1rem;
    padding-right: 2.2rem;
    color: var(--text-primary);
}

.modal-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.4rem;
}

.modal-tech-stack span {
    color: var(--accent-color);
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.35rem 0.7rem;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
}

.modal-desc {
    color: var(--text-secondary);
    font-size: clamp(0.94rem, 2vw, 1rem);
    line-height: 1.75;
}

.modal-links {
    margin-top: 1.8rem;
    display: flex;
    gap: 0.8rem;
}

/* --- Profile Picture Zoom Modal --- */
.profile-modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100vh;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 1.5rem;
}

.profile-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.profile-modal-content {
    transform: scale(0.85);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.profile-modal-overlay.active .profile-modal-content {
    transform: scale(1);
}

.profile-modal-content img {
    width: min(380px, 85vw);
    height: min(380px, 85vw);
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
    box-shadow: 0 0 60px rgba(59, 130, 246, 0.5);
}

/* --- Flash Messages Banner --- */
.flash-container {
    margin-bottom: 1.8rem;
}

.alert {
    padding: 0.9rem 1.2rem;
    border-radius: 10px;
    margin-bottom: 0.8rem;
    font-size: 0.92rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.alert-info {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}

.alert-warning {
    background: rgba(234, 179, 8, 0.12);
    border-color: rgba(234, 179, 8, 0.3);
    color: #facc15;
}

/* --- Footer --- */
footer.site-footer {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding: 2.5rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.88rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

footer.site-footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

footer.site-footer a:hover {
    color: var(--accent-color);
}

/* --- Scroll Fade In Animation --- */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
    .hero-metrics-hud {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 992px) {
    .hero.hero-intense {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .hero-main-col {
        align-items: center;
        text-align: center;
    }
    .hero-title {
        justify-content: center;
    }
    .hero-eyebrow,
    .hero-social-links,
    .hero-cta {
        justify-content: center;
    }
    .hero-metrics-hud {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        max-width: 100%;
    }
    .cyber-terminal-card {
        max-width: 520px;
    }
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }
    .hero-text p.hero-bio {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-cta {
        justify-content: center;
    }
    .section-title {
        justify-content: center;
    }
    .section-title::after {
        display: none;
    }
    .skills-category {
        text-align: center;
    }
    .skills-grid {
        justify-content: center;
    }
    .contact-container {
        grid-template-columns: 1fr;
    }
    .nav-links {
        gap: 0.8rem;
    }
    .nav-print-btn {
        width: 38px;
        height: 38px;
        padding: 0;
        border-radius: 50%;
    }
    .nav-print-btn .nav-print-text {
        display: none;
    }
}

@media (max-width: 640px) {
    .hero-status-beacon {
        font-size: 0.7rem;
    }
    .hero-title {
        font-size: 2.1rem;
    }
    .skills-filter-hud {
        flex-direction: column;
        align-items: stretch;
    }
    .skills-quick-filters {
        justify-content: center;
    }
    .contact-telemetry-card {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 560px) {
    .hero-metrics-hud {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }
    .metric-card {
        padding: 1.05rem 1.15rem;
    }
}

/* ==========================================================================
   Print & PDF Export Stylesheet
   Optimized for High-Fidelity A4 / Letter Printing & PDF Generation
   ========================================================================== */

/* --- Screen vs Print Visibility Utilities --- */
.print-only,
.print-only-flex,
.print-only-block,
.print-only-footer {
    display: none !important;
}

@media print {
    /* Utility visibility overrides */
    .print-only {
        display: inline !important;
    }
    .print-only-flex {
        display: flex !important;
    }
    .print-only-block {
        display: block !important;
    }
    .screen-only {
        display: none !important;
    }

    /* Page Definition */
    @page {
        size: A4 portrait;
        margin: 12mm 14mm 12mm 14mm;
    }

    /* Universal print resets */
    *,
    *::before,
    *::after {
        box-shadow: none !important;
        text-shadow: none !important;
        filter: none !important;
        transition: none !important;
        animation: none !important;
    }

    :root, html, body {
        background: #ffffff !important;
        background-color: #ffffff !important;
        color: #0f172a !important;
        font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif !important;
        font-size: 9.5pt !important;
        line-height: 1.5 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        color-adjust: exact !important;
        overflow: visible !important;
        height: auto !important;
        min-height: 0 !important;
    }

    /* All fade-in elements rendered fully visible */
    .fade-in,
    .tag,
    section,
    article,
    div {
        opacity: 1 !important;
        transform: none !important;
        visibility: visible !important;
    }

    /* Hide screen-specific interactive chrome */
    nav.navbar,
    .bg-container,
    .nav-actions,
    .theme-toggle,
    .nav-print-btn,
    .hero-cta,
    .project-footer,
    .modal-overlay,
    .profile-modal-overlay,
    .flash-container,
    .site-footer,
    form.contact-form,
    .project-thumb-placeholder {
        display: none !important;
    }

    /* Container Reset */
    .container {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* Section Spacing & Page Break Hygiene */
    section {
        margin-bottom: 1.6rem !important;
        break-inside: auto;
    }

    h1, h2, h3, h4, h5, h6,
    .section-title,
    .project-header {
        break-after: avoid !important;
        page-break-after: avoid !important;
    }

    .project-card,
    .about-card,
    .pillar-card,
    .skills-category,
    .contact-item,
    .hero {
        break-inside: avoid !important;
        page-break-inside: avoid !important;
    }

    /* Section Titles */
    .section-title {
        font-size: 1.22rem !important;
        font-weight: 700 !important;
        color: #0f172a !important;
        letter-spacing: -0.015em !important;
        margin-bottom: 0.85rem !important;
        padding-bottom: 0.35rem !important;
        border-bottom: 1.5px solid #cbd5e1 !important;
        display: block !important;
    }

    .section-title::after {
        display: none !important;
    }

    /* --- Hero Section --- */
    .hero {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: wrap !important;
        align-items: flex-start !important;
        gap: 1.4rem !important;
        margin-bottom: 1.4rem !important;
        padding-bottom: 1.3rem !important;
        border-bottom: 2px solid #e2e8f0 !important;
    }

    .hero-metrics-hud {
        width: 100% !important;
        display: grid !important;
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 0.65rem !important;
    }

    .profile-avatar-container {
        cursor: default !important;
        flex-shrink: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 0.4rem !important;
    }

    .avatar-ring-glow {
        display: none !important;
    }

    .profile-avatar {
        width: 95px !important;
        height: 95px !important;
        border: 2.5px solid #2563eb !important;
        border-radius: 50% !important;
        object-fit: cover !important;
        box-shadow: none !important;
        background-color: #f8fafc !important;
    }

    .avatar-status-pill {
        position: static !important;
        transform: none !important;
        background: #f0fdf4 !important;
        border: 1px solid #86efac !important;
        color: #15803d !important;
        font-size: 0.68rem !important;
        font-weight: 600 !important;
        padding: 0.12rem 0.45rem !important;
        border-radius: 12px !important;
        box-shadow: none !important;
        white-space: nowrap !important;
    }

    .status-pulse-dot {
        background-color: #16a34a !important;
        box-shadow: none !important;
    }

    .hero-text {
        flex-grow: 1 !important;
    }

    .hero-title {
        font-size: 1.7rem !important;
        font-weight: 800 !important;
        line-height: 1.15 !important;
        margin-bottom: 0.3rem !important;
        color: #0f172a !important;
        background: none !important;
        -webkit-text-fill-color: #0f172a !important;
    }

    .name-zh {
        color: #0f172a !important;
        font-weight: 800 !important;
    }

    .name-sep {
        color: #94a3b8 !important;
        -webkit-text-fill-color: #94a3b8 !important;
        margin: 0 0.25rem !important;
    }

    .name-en {
        color: #1e293b !important;
        font-weight: 700 !important;
    }

    .hero-eyebrow {
        display: flex !important;
        align-items: center !important;
        gap: 0.5rem !important;
        margin-bottom: 0.4rem !important;
        flex-wrap: wrap !important;
    }

    .eyebrow-chip {
        background: #eff6ff !important;
        border: 1px solid #bfdbfe !important;
        color: #1d4ed8 !important;
        font-size: 0.72rem !important;
        font-weight: 600 !important;
        padding: 0.12rem 0.5rem !important;
        border-radius: 12px !important;
    }

    .pulse-ring {
        background-color: #1d4ed8 !important;
        box-shadow: none !important;
    }

    .location-chip {
        color: #475569 !important;
        font-size: 0.74rem !important;
        font-weight: 500 !important;
    }

    .hero-headline-badge {
        display: inline-flex !important;
        align-items: center !important;
        gap: 0.4rem !important;
        background: #f8fafc !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 6px !important;
        padding: 0.18rem 0.55rem !important;
        margin-bottom: 0.45rem !important;
    }

    .hero-headline-badge h2 {
        font-size: 0.9rem !important;
        font-weight: 700 !important;
        color: #1d4ed8 !important;
    }

    .headline-badge-icon {
        color: #1d4ed8 !important;
    }

    .hero-text p.hero-bio {
        font-size: 0.86rem !important;
        color: #334155 !important;
        line-height: 1.5 !important;
        margin-bottom: 0.55rem !important;
        max-width: 100% !important;
    }

    .hero-social-links {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 0.4rem !important;
        margin-bottom: 0 !important;
    }

    .social-pill {
        display: inline-flex !important;
        align-items: center !important;
        gap: 0.35rem !important;
        background: #f8fafc !important;
        border: 1px solid #cbd5e1 !important;
        color: #0f172a !important;
        text-decoration: none !important;
        font-size: 0.75rem !important;
        font-weight: 500 !important;
        padding: 0.18rem 0.5rem !important;
        border-radius: 5px !important;
    }

    .social-pill svg {
        fill: #475569 !important;
        width: 12px !important;
        height: 12px !important;
    }

    /* --- About Section --- */
    .about-grid-layout {
        display: grid !important;
        grid-template-columns: 1.25fr 0.95fr !important;
        gap: 1rem !important;
        align-items: stretch !important;
    }

    .about-card {
        background: #ffffff !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 8px !important;
        padding: 0.95rem 1.1rem !important;
        box-shadow: none !important;
    }

    .about-header-tag .tag-accent {
        color: #2563eb !important;
        font-size: 0.68rem !important;
        font-weight: 700 !important;
        text-transform: uppercase !important;
        letter-spacing: 0.05em !important;
        margin-bottom: 0.2rem !important;
    }

    .about-header-tag h3 {
        color: #0f172a !important;
        font-size: 0.98rem !important;
        font-weight: 700 !important;
        line-height: 1.3 !important;
    }

    .about-lead {
        color: #334155 !important;
        font-size: 0.84rem !important;
        line-height: 1.55 !important;
    }

    .about-highlights-list {
        display: flex !important;
        flex-direction: column !important;
        gap: 0.6rem !important;
        border-top: 1px solid #e2e8f0 !important;
        padding-top: 0.7rem !important;
    }

    .about-highlight-item {
        display: flex !important;
        gap: 0.65rem !important;
        align-items: flex-start !important;
    }

    .highlight-bullet {
        width: 22px !important;
        height: 22px !important;
        min-width: 22px !important;
        border-radius: 5px !important;
        background: #eff6ff !important;
        border: 1px solid #bfdbfe !important;
        color: #1d4ed8 !important;
        font-size: 0.68rem !important;
        font-weight: 700 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .about-highlight-item strong {
        color: #0f172a !important;
        font-size: 0.82rem !important;
        display: block !important;
        margin-bottom: 0.1rem !important;
    }

    .about-highlight-item p {
        color: #475569 !important;
        font-size: 0.77rem !important;
        line-height: 1.4 !important;
    }

    .about-pillars-column {
        display: flex !important;
        flex-direction: column !important;
        gap: 0.55rem !important;
    }

    .pillar-card {
        background: #ffffff !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 7px !important;
        padding: 0.6rem 0.8rem !important;
        display: flex !important;
        align-items: flex-start !important;
        gap: 0.6rem !important;
    }

    .pillar-icon {
        font-size: 1.1rem !important;
        line-height: 1 !important;
    }

    .pillar-content h4 {
        color: #0f172a !important;
        font-size: 0.84rem !important;
        font-weight: 700 !important;
        margin-bottom: 0.15rem !important;
    }

    .pillar-content p {
        color: #475569 !important;
        font-size: 0.77rem !important;
        line-height: 1.35 !important;
    }

    /* --- Skills Section --- */
    #skills {
        margin-bottom: 1.4rem !important;
    }

    .skills-category {
        margin-bottom: 0.65rem !important;
        break-inside: avoid !important;
    }

    .skills-category h4 {
        color: #1e293b !important;
        font-size: 0.8rem !important;
        font-weight: 700 !important;
        text-transform: uppercase !important;
        letter-spacing: 0.05em !important;
        margin-bottom: 0.3rem !important;
    }

    .skills-grid {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 0.35rem !important;
    }

    .skills-grid .tag {
        background: #f1f5f9 !important;
        border: 1px solid #cbd5e1 !important;
        color: #0f172a !important;
        font-size: 0.75rem !important;
        font-weight: 600 !important;
        padding: 0.18rem 0.55rem !important;
        border-radius: 5px !important;
    }

    /* --- Projects Section --- */
    #projects {
        margin-bottom: 1.4rem !important;
    }

    .projects-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.85rem !important;
    }

    .project-card {
        background: #ffffff !important;
        border: 1px solid #cbd5e1 !important;
        border-radius: 8px !important;
        padding: 0.85rem !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 0.45rem !important;
        cursor: default !important;
    }

    .project-card-thumb {
        max-height: 90px !important;
        overflow: hidden !important;
        border-radius: 5px !important;
        margin-bottom: 0.15rem !important;
        border: 1px solid #e2e8f0 !important;
    }

    .project-thumb-img {
        width: 100% !important;
        max-height: 90px !important;
        object-fit: cover !important;
    }

    .project-header {
        display: flex !important;
        justify-content: space-between !important;
        align-items: flex-start !important;
        gap: 0.5rem !important;
    }

    .project-header h3 {
        color: #0f172a !important;
        font-size: 0.88rem !important;
        font-weight: 700 !important;
        line-height: 1.3 !important;
    }

    .project-badge {
        background: #eff6ff !important;
        border: 1px solid #bfdbfe !important;
        color: #1d4ed8 !important;
        font-size: 0.65rem !important;
        font-weight: 600 !important;
        padding: 0.1rem 0.42rem !important;
        border-radius: 10px !important;
        white-space: nowrap !important;
    }

    .project-header-badges {
        display: flex !important;
        flex-wrap: wrap !important;
        align-items: center !important;
        justify-content: flex-end !important;
        gap: 0.25rem !important;
    }

    .project-doc-pill {
        background: #f0fdf4 !important;
        border: 1px solid #bbf7d0 !important;
        color: #166534 !important;
        font-size: 0.65rem !important;
        font-weight: 600 !important;
        padding: 0.1rem 0.42rem !important;
        border-radius: 10px !important;
        white-space: nowrap !important;
    }

    .project-summary {
        color: #334155 !important;
        font-size: 0.77rem !important;
        line-height: 1.45 !important;
        flex-grow: 1 !important;
    }

    .project-tags {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 0.25rem !important;
        margin-top: 0.15rem !important;
    }

    .project-tags span {
        background: #f8fafc !important;
        border: 1px solid #e2e8f0 !important;
        color: #475569 !important;
        font-size: 0.68rem !important;
        font-weight: 500 !important;
        padding: 0.1rem 0.38rem !important;
        border-radius: 4px !important;
    }

    /* --- Contact Section --- */
    #contact {
        margin-bottom: 1rem !important;
        break-inside: avoid !important;
    }

    .contact-container {
        display: block !important;
    }

    .contact-info {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.7rem !important;
        width: 100% !important;
    }

    .contact-item {
        background: #f8fafc !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 7px !important;
        padding: 0.6rem 0.8rem !important;
        display: flex !important;
        align-items: center !important;
        gap: 0.65rem !important;
        text-decoration: none !important;
    }

    .contact-icon {
        width: 32px !important;
        height: 32px !important;
        min-width: 32px !important;
        border-radius: 6px !important;
        background: #eff6ff !important;
        border: 1px solid #bfdbfe !important;
        color: #1d4ed8 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .contact-icon svg {
        width: 16px !important;
        height: 16px !important;
        fill: #1d4ed8 !important;
    }

    .contact-item h5 {
        color: #64748b !important;
        font-size: 0.68rem !important;
        font-weight: 600 !important;
        text-transform: uppercase !important;
        letter-spacing: 0.04em !important;
        margin-bottom: 0.1rem !important;
    }

    .contact-item p {
        color: #0f172a !important;
        font-size: 0.8rem !important;
        font-weight: 600 !important;
    }

    /* --- Print Document Footer --- */
    .print-only-footer {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        border-top: 1px solid #cbd5e1 !important;
        padding-top: 0.5rem !important;
        margin-top: 1.2rem !important;
        font-size: 0.72rem !important;
        color: #64748b !important;
    }
}

/* --- Accessibility: Reduced Motion Support --- */
@media (prefers-reduced-motion: reduce) {
    .bg-grid-pattern,
    .orb-1,
    .orb-2,
    .orb-3 {
        animation: none !important;
        transform: none !important;
    }
    .bg-cursor-glow {
        display: none !important;
    }
    .bg-canvas {
        opacity: 0.35 !important;
    }
}

/* ==========================================================================
   CUTE PIXEL-ART RPG GAME MODE OVERHAUL (body.rpg-game-body)
   ========================================================================== */

:root[data-theme="dark"] {
    --rpg-wood-dark: #1a1528;
    --rpg-wood-mid: #261f3d;
    --rpg-panel-bg: rgba(24, 20, 42, 0.94);
    --rpg-card-bg: rgba(31, 26, 54, 0.92);
    --rpg-gold: #fbbf24;
    --rpg-gold-bright: #fde047;
    --rpg-mint: #34d399;
    --rpg-coral: #fb7185;
    --rpg-sky: #38bdf8;
    --rpg-border-outer: #090710;
    --rpg-border-inner: #fbbf24;
    --rpg-dlg-bg: linear-gradient(180deg, #1e1836 0%, #141026 100%);
    --rpg-shadow: 0 6px 0 #090710, 0 12px 24px rgba(0, 0, 0, 0.55);
}

:root[data-theme="light"] {
    --rpg-wood-dark: #5c3a21;
    --rpg-wood-mid: #8b5a2b;
    --rpg-panel-bg: rgba(255, 250, 235, 0.95);
    --rpg-card-bg: rgba(255, 252, 242, 0.96);
    --rpg-gold: #d97706;
    --rpg-gold-bright: #f59e0b;
    --rpg-mint: #059669;
    --rpg-coral: #e11d48;
    --rpg-sky: #0284c7;
    --rpg-border-outer: #422814;
    --rpg-border-inner: #d97706;
    --rpg-dlg-bg: linear-gradient(180deg, #fffbeb 0%, #fef3c7 100%);
    --rpg-shadow: 0 6px 0 #422814, 0 10px 20px rgba(66, 40, 20, 0.18);
}

body.rpg-game-body {
    font-family: 'Inter', 'Noto Sans TC', sans-serif;
    image-rendering: pixelated;
}

/* Pixel Font Accent Headings & Badges */
.rpg-game-body .section-eyebrow-tag,
.rpg-game-body .rpg-lvl-pill,
.rpg-game-body .pixel-badge-blink,
.rpg-game-body .rpg-bgm-pill,
.rpg-game-body .rpg-portrait-lvl,
.rpg-game-body .rpg-landmark-coords,
.rpg-game-body .metric-category-tag,
.rpg-game-body .rpg-modal-tag {
    font-family: 'Press Start 2P', 'Silkscreen', monospace;
    letter-spacing: 0.04em;
}

.rpg-game-body .section-title,
.rpg-game-body .page-hero-title,
.rpg-game-body .rpg-world-title h2 {
    font-family: 'Silkscreen', 'Press Start 2P', 'Noto Sans TC', sans-serif;
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.35);
}

/* Top RPG HUD Navbar */
.rpg-hud-navbar {
    border-bottom: 3px solid var(--rpg-border-inner) !important;
    box-shadow: 0 4px 0 var(--rpg-border-outer), 0 8px 20px rgba(0, 0, 0, 0.35) !important;
    background: var(--rpg-panel-bg) !important;
}

.rpg-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.65rem;
    background: rgba(251, 191, 36, 0.14);
    border: 2px solid var(--rpg-gold);
    border-radius: 6px;
    box-shadow: 2px 2px 0 var(--rpg-border-outer);
}

.rpg-mini-avatar-icon {
    font-size: 1.05rem;
    animation: rpgBob 1.6s steps(2, end) infinite;
}

.rpg-lvl-pill {
    font-size: 0.62rem;
    padding: 0.18rem 0.4rem;
    background: var(--rpg-gold);
    color: #111827;
    border-radius: 4px;
    font-weight: 800;
}

.rpg-quest-tabs li a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border: 2px solid transparent;
    border-radius: 6px;
    padding: 0.38rem 0.7rem !important;
    font-weight: 600;
    transition: transform 0.12s steps(2), background 0.15s ease, border-color 0.15s ease;
}

.rpg-quest-tabs li a:hover,
.rpg-quest-tabs li a.active {
    background: rgba(251, 191, 36, 0.16) !important;
    border-color: var(--rpg-gold) !important;
    color: var(--rpg-gold) !important;
    transform: translateY(-2px);
    box-shadow: 2px 2px 0 var(--rpg-border-outer);
}

.rpg-nav-bgm-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.34rem 0.68rem;
    border-radius: 6px;
    border: 2px solid var(--rpg-mint);
    background: rgba(52, 211, 153, 0.14);
    color: var(--text-primary);
    font-family: 'Silkscreen', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--rpg-border-outer);
    transition: transform 0.12s ease, background 0.15s ease;
}

.rpg-nav-bgm-btn:hover {
    transform: translateY(-2px);
    background: rgba(52, 211, 153, 0.26);
}

.rpg-nav-bgm-btn.playing {
    background: rgba(52, 211, 153, 0.28);
    border-color: #10b981;
    color: #34d399;
}

/* ==========================================================================
   INTERACTIVE 2D PIXEL-ART RPG MAP STAGE (#rpg-map-stage)
   ========================================================================== */
.rpg-map-stage {
    margin: 1.2rem 0 3.2rem;
    padding: 1.15rem;
    background: var(--rpg-panel-bg);
    border: 3px solid var(--rpg-border-inner);
    border-radius: 12px;
    box-shadow:
        0 0 0 3px var(--rpg-border-outer),
        var(--rpg-shadow);
    position: relative;
    z-index: 5;
}

.rpg-console-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.9rem;
    padding-bottom: 0.85rem;
    margin-bottom: 0.85rem;
    border-bottom: 2px dashed rgba(251, 191, 36, 0.35);
}

.rpg-world-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.pixel-badge-blink {
    display: inline-block;
    padding: 0.32rem 0.6rem;
    font-size: 0.62rem;
    background: var(--rpg-coral);
    color: #fff;
    border: 2px solid var(--rpg-border-outer);
    border-radius: 4px;
    box-shadow: 2px 2px 0 var(--rpg-border-outer);
    animation: rpgPulseBadge 2s infinite;
}

@keyframes rpgPulseBadge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.04); }
}

.rpg-world-title h2 {
    font-size: clamp(1rem, 2vw, 1.35rem);
    color: var(--rpg-gold);
    margin: 0;
}

.rpg-hero-vitals {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.vital-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.28rem 0.6rem;
    background: rgba(0, 0, 0, 0.28);
    border: 2px solid rgba(255, 255, 255, 0.16);
    border-radius: 6px;
    font-family: 'Silkscreen', monospace;
    font-size: 0.72rem;
    color: var(--text-primary);
}

[data-theme="light"] .vital-pill {
    background: rgba(255, 255, 255, 0.75);
    border-color: rgba(66, 40, 20, 0.25);
}

.vital-bar {
    width: 54px;
    height: 9px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
}

.hp-fill {
    height: 100%;
    background: linear-gradient(90deg, #ef4444, #fb7185);
}

.mp-fill {
    height: 100%;
    background: linear-gradient(90deg, #0284c7, #38bdf8);
}

.vital-gold {
    border-color: var(--rpg-gold);
    color: var(--rpg-gold);
    font-weight: 700;
}

/* Fast Travel Bar */
.rpg-fast-travel-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.85rem;
}

.fast-travel-label {
    font-family: 'Silkscreen', monospace;
    font-size: 0.72rem;
    color: var(--rpg-gold);
    margin-right: 0.2rem;
}

.rpg-teleport-btn {
    padding: 0.38rem 0.75rem;
    background: var(--rpg-card-bg);
    color: var(--text-primary);
    border: 2px solid rgba(251, 191, 36, 0.45);
    border-radius: 6px;
    font-family: 'Silkscreen', 'Noto Sans TC', sans-serif;
    font-size: 0.76rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--rpg-border-outer);
    transition: transform 0.1s steps(2), background 0.15s ease, border-color 0.15s ease;
}

.rpg-teleport-btn:hover,
.rpg-teleport-btn.active {
    background: var(--rpg-gold);
    color: #111827;
    border-color: var(--rpg-border-outer);
    transform: translateY(-2px);
}

/* RPG Canvas Viewport */
.rpg-viewport-wrapper {
    position: relative;
    width: 100%;
    border: 3px solid var(--rpg-border-outer);
    outline: 2px solid var(--rpg-gold);
    border-radius: 8px;
    overflow: hidden;
    background: #2d5a27;
    box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.35);
}

#rpg-world-canvas {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 960 / 460;
    image-rendering: pixelated;
    cursor: pointer;
    outline: none;
}

.rpg-zone-banner {
    position: absolute;
    top: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.75rem;
    background: rgba(15, 12, 28, 0.86);
    color: #fde047;
    border: 2px solid #fbbf24;
    border-radius: 6px;
    font-family: 'Silkscreen', 'Noto Sans TC', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    box-shadow: 2px 2px 0 #000;
    pointer-events: none;
}

.rpg-controls-hint {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.65rem;
    background: rgba(15, 12, 28, 0.82);
    color: #e2e8f0;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    pointer-events: none;
}

/* On-Screen Cute D-Pad & A/B Buttons */
.rpg-onscreen-pad {
    position: absolute;
    bottom: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 4;
}

.dpad-cluster {
    display: grid;
    grid-template-columns: repeat(3, 30px);
    grid-template-rows: repeat(2, 30px);
    gap: 3px;
}

.dpad-up { grid-column: 2; grid-row: 1; }
.dpad-left { grid-column: 1; grid-row: 2; }
.dpad-down { grid-column: 2; grid-row: 2; }
.dpad-right { grid-column: 3; grid-row: 2; }

.dpad-btn,
.rpg-ab-btn {
    width: 30px;
    height: 30px;
    border: 2px solid #090710;
    border-radius: 5px;
    background: rgba(30, 24, 54, 0.9);
    color: #fde047;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 2px 2px 0 #090710;
    user-select: none;
}

.dpad-btn:active,
.rpg-ab-btn:active {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0 #090710;
}

.action-cluster {
    display: flex;
    gap: 0.35rem;
}

.btn-action-a {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #e11d48;
    color: #fff;
}

.btn-action-b {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #10b981;
    color: #fff;
}

/* Retro RPG Dialogue Box below Canvas */
.rpg-dialogue-box {
    margin-top: 0.95rem;
    padding: 1rem 1.15rem;
    background: var(--rpg-dlg-bg);
    border: 3px solid var(--rpg-gold);
    border-radius: 8px;
    box-shadow: inset 0 0 0 2px var(--rpg-border-outer), 3px 3px 0 var(--rpg-border-outer);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.rpg-portrait-frame {
    position: relative;
    width: 74px;
    height: 74px;
    min-width: 74px;
    border: 3px solid var(--rpg-gold);
    border-radius: 8px;
    overflow: hidden;
    background: #0f172a;
    box-shadow: 2px 2px 0 var(--rpg-border-outer);
    cursor: pointer;
}

.rpg-portrait-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rpg-portrait-lvl {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(9, 7, 16, 0.85);
    color: #fde047;
    font-size: 0.52rem;
    text-align: center;
    padding: 2px 0;
}

.rpg-dialogue-content {
    flex: 1;
    min-width: 0;
}

.rpg-speaker-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
}

.rpg-speaker-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--rpg-gold);
    color: #111827;
    font-family: 'Silkscreen', 'Noto Sans TC', sans-serif;
    font-size: 0.78rem;
    font-weight: 800;
    border-radius: 4px;
    box-shadow: 2px 2px 0 var(--rpg-border-outer);
}

.rpg-landmark-coords {
    font-size: 0.62rem;
    color: var(--rpg-mint);
}

.rpg-dialogue-text {
    font-size: 0.94rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin: 0.35rem 0 0.75rem;
    min-height: 2.8em;
}

.rpg-dialogue-actions {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.rpg-dlg-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.38rem 0.8rem;
    border: 2px solid var(--rpg-gold);
    border-radius: 6px;
    background: rgba(251, 191, 36, 0.14);
    color: var(--text-primary);
    font-family: 'Silkscreen', 'Noto Sans TC', sans-serif;
    font-size: 0.76rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--rpg-border-outer);
    transition: transform 0.1s steps(2), background 0.15s ease;
}

.rpg-dlg-btn-primary {
    background: var(--rpg-gold);
    color: #111827;
}

.rpg-dlg-btn:hover {
    transform: translateY(-2px);
    background: var(--rpg-gold-bright);
    color: #111827;
}

/* ==========================================================================
   FLOATING PIXEL-ART BGM JUKEBOX PLAYER (.rpg-bgm-hud)
   ========================================================================== */
.rpg-bgm-hud {
    position: fixed;
    bottom: 18px;
    left: 18px;
    z-index: 95;
    width: 300px;
    max-width: calc(100vw - 36px);
    background: var(--rpg-panel-bg);
    border: 3px solid var(--rpg-gold);
    border-radius: 10px;
    box-shadow:
        0 0 0 2px var(--rpg-border-outer),
        0 8px 24px rgba(0, 0, 0, 0.5);
    padding: 0.55rem 0.7rem;
    transition: transform 0.2s ease;
}

.rpg-bgm-cassette {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.rpg-bgm-play-btn {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 6px;
    border: 2px solid var(--rpg-border-outer);
    background: var(--rpg-gold);
    color: #111827;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--rpg-border-outer);
}

.rpg-bgm-play-btn.is-playing {
    background: var(--rpg-mint);
    color: #064e3b;
}

.rpg-bgm-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.rpg-bgm-tag-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2px;
}

.rpg-bgm-pill {
    font-size: 0.54rem;
    color: var(--rpg-gold);
}

.rpg-equalizer {
    display: inline-flex;
    align-items: flex-end;
    gap: 2px;
    height: 10px;
}

.rpg-equalizer i {
    display: block;
    width: 3px;
    height: 3px;
    background: var(--rpg-mint);
}

.rpg-bgm-hud.playing .rpg-equalizer i:nth-child(1) { animation: eqBar 0.45s infinite alternate; }
.rpg-bgm-hud.playing .rpg-equalizer i:nth-child(2) { animation: eqBar 0.35s 0.1s infinite alternate; }
.rpg-bgm-hud.playing .rpg-equalizer i:nth-child(3) { animation: eqBar 0.5s 0.2s infinite alternate; }
.rpg-bgm-hud.playing .rpg-equalizer i:nth-child(4) { animation: eqBar 0.4s 0.15s infinite alternate; }

@keyframes eqBar {
    0% { height: 2px; }
    100% { height: 10px; }
}

.rpg-bgm-marquee {
    font-family: 'Silkscreen', 'Noto Sans TC', monospace;
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rpg-bgm-expand-btn {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    border: 2px solid rgba(251, 191, 36, 0.4);
    background: rgba(255, 255, 255, 0.06);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rpg-bgm-drawer {
    margin-top: 0.65rem;
    padding-top: 0.6rem;
    border-top: 2px dashed rgba(251, 191, 36, 0.35);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.rpg-bgm-drawer[hidden] {
    display: none !important;
}

.bgm-drawer-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Silkscreen', 'Noto Sans TC', monospace;
    font-size: 0.68rem;
}

.bgm-drawer-row label {
    min-width: 58px;
    color: var(--rpg-gold);
}

.bgm-drawer-row input[type="range"] {
    flex: 1;
    accent-color: var(--rpg-gold);
    cursor: pointer;
}

.rpg-bgm-select {
    flex: 1;
    padding: 0.28rem 0.4rem;
    border-radius: 4px;
    border: 1px solid var(--rpg-gold);
    background: var(--rpg-card-bg);
    color: var(--text-primary);
    font-size: 0.72rem;
}

.bgm-drawer-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    padding-top: 0.25rem;
}

.bgm-sfx-check {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.bgm-admin-link {
    color: var(--rpg-gold);
    text-decoration: none;
    font-weight: 700;
}

/* ==========================================================================
   RPG STYLING FOR PORTFOLIO CARDS, QUESTS, SKILLS & FOOTER
   ========================================================================== */
.rpg-game-body .hero {
    border: none !important;
    box-shadow: none !important;
}

.rpg-game-body .project-badge,
.rpg-game-body .project-doc-pill {
    font-family: 'Silkscreen', 'Inter', 'Noto Sans TC', sans-serif !important;
    font-size: 0.62rem !important;
    padding: 0.16rem 0.48rem !important;
    letter-spacing: 0.03em !important;
    line-height: 1.25 !important;
}

.rpg-game-body .about-card,
.rpg-game-body .pillar-card,
.rpg-game-body .project-card,
.rpg-game-body .contact-form,
.rpg-game-body .contact-item,
.rpg-game-body .contact-telemetry-card,
.rpg-game-body .page-cta-card,
.rpg-game-body .metric-card,
.rpg-game-body .cyber-terminal-card {
    border: 2px solid rgba(251, 191, 36, 0.42) !important;
    box-shadow: 4px 4px 0 var(--rpg-border-outer) !important;
    border-radius: 10px !important;
}

.rpg-game-body .project-card:hover,
.rpg-game-body .pillar-card:hover,
.rpg-game-body .metric-card:hover {
    border-color: var(--rpg-gold) !important;
    box-shadow: 6px 6px 0 var(--rpg-border-outer), 0 0 18px rgba(251, 191, 36, 0.22) !important;
}

.rpg-game-body .btn-primary {
    background: linear-gradient(180deg, #fbbf24 0%, #d97706 100%) !important;
    color: #111827 !important;
    border: 2px solid var(--rpg-border-outer) !important;
    box-shadow: 3px 3px 0 var(--rpg-border-outer) !important;
    font-weight: 800 !important;
}

.rpg-game-body .btn-primary:hover {
    transform: translate(-1px, -2px) !important;
    box-shadow: 4px 5px 0 var(--rpg-border-outer) !important;
}

.rpg-game-body .tag.skill-tag,
.rpg-game-body .skills-grid .tag {
    border: 2px solid rgba(52, 211, 153, 0.45) !important;
    box-shadow: 2px 2px 0 var(--rpg-border-outer) !important;
    border-radius: 6px !important;
}

.rpg-save-point-banner {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    margin-bottom: 0.75rem;
    background: rgba(52, 211, 153, 0.14);
    border: 2px solid var(--rpg-mint);
    border-radius: 6px;
    font-family: 'Silkscreen', 'Noto Sans TC', monospace;
    font-size: 0.74rem;
    color: var(--rpg-mint);
    box-shadow: 2px 2px 0 var(--rpg-border-outer);
}

.rpg-footer-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 0.4rem;
}

@keyframes rpgBob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* ==========================================================================
   MULTI-DEVICE RESPONSIVE DESIGN (Desktop, Laptop, Tablet & Mobile Phone)
   ========================================================================== */

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

/* 1. Large Desktop Monitors (1280px+) */
@media (min-width: 1280px) {
    .container {
        max-width: 1180px;
    }

    nav.navbar.rpg-hud-navbar {
        padding: 0.9rem 2.5rem;
    }
}

/* 2. Tablets & Compact Laptops (max-width: 1024px) */
@media (max-width: 1024px) {
    nav.navbar.rpg-hud-navbar {
        flex-wrap: wrap;
        padding: 0.65rem 1rem;
        gap: 0.5rem 0.75rem;
    }

    .rpg-brand-badge {
        order: 1;
    }

    .nav-actions.rpg-hud-actions {
        order: 2;
        margin-left: auto;
        gap: 0.45rem;
    }

    .nav-links.rpg-quest-tabs {
        order: 3;
        width: 100%;
        justify-content: center;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 0.3rem 0 0.1rem;
        gap: 0.45rem;
        border-top: 1px dashed rgba(251, 191, 36, 0.28);
    }

    .nav-links.rpg-quest-tabs::-webkit-scrollbar {
        display: none;
    }

    .nav-links.rpg-quest-tabs li {
        flex-shrink: 0;
    }

    .nav-links.rpg-quest-tabs li a {
        white-space: nowrap;
        font-size: 0.82rem;
        padding: 0.36rem 0.7rem !important;
    }

    .container {
        padding-top: 8.6rem;
        padding-left: 1.35rem;
        padding-right: 1.35rem;
    }

    .hero-metrics-hud {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1rem;
    }

    .about-grid-layout {
        grid-template-columns: 1fr;
        gap: 1.35rem;
    }

    .about-pillars-column {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1rem;
    }

    .rpg-console-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.65rem;
    }

    .rpg-hero-vitals {
        width: 100%;
        justify-content: flex-start;
    }
}

/* 3. Portrait Tablets & Large Phones (max-width: 768px) */
@media (max-width: 768px) {
    .container {
        padding-top: 8.1rem;
        padding-left: 1rem;
        padding-right: 1rem;
        padding-bottom: 5.75rem;
    }

    .nav-links.rpg-quest-tabs {
        justify-content: flex-start;
    }

    .hero.hero-intense {
        grid-template-columns: 1fr;
        gap: 1.75rem;
        margin-bottom: 2.5rem;
    }

    .hero-main-col {
        width: 100%;
        min-width: 0;
    }

    .hero-visual-col {
        width: 100%;
        min-width: 0;
    }

    .hero-dynamic-role-badge {
        max-width: 100%;
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
        padding: 0.42rem 0.75rem;
    }

    .cyber-terminal-card {
        width: 100%;
        max-width: 100%;
    }

    .terminal-body {
        font-size: 0.76rem;
        padding: 0.85rem 0.9rem;
        overflow-x: auto;
    }

    .term-code {
        white-space: pre-wrap;
        word-break: break-word;
    }

    .about-pillars-column {
        grid-template-columns: 1fr;
    }

    .skills-filter-hud {
        flex-direction: column;
        align-items: stretch;
        padding: 0.95rem 1rem;
        gap: 0.75rem;
    }

    .skills-search-wrapper {
        flex: 1 1 auto;
        min-width: 0;
        width: 100%;
    }

    .skills-quick-filters,
    .project-filter-bar,
    .projects-filter-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 0.25rem;
        justify-content: flex-start;
    }

    .skills-quick-filters::-webkit-scrollbar,
    .project-filter-bar::-webkit-scrollbar,
    .projects-filter-bar::-webkit-scrollbar {
        display: none;
    }

    .skill-category-btn,
    .project-filter-btn {
        flex-shrink: 0;
        white-space: nowrap;
    }

    .rpg-map-stage {
        padding: 0.85rem;
        margin: 0.75rem 0 2.5rem;
    }

    .rpg-controls-hint {
        display: none;
    }

    /* Swipeable single-row Fast Travel bar on touch screens */
    .rpg-fast-travel-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 0.25rem;
        gap: 0.45rem;
    }

    .rpg-fast-travel-bar::-webkit-scrollbar {
        display: none;
    }

    .fast-travel-label,
    .rpg-teleport-btn {
        flex-shrink: 0;
        white-space: nowrap;
    }

    /* Dock the On-Screen D-Pad & A/B buttons below the canvas so they never block map buildings on touch devices */
    .rpg-onscreen-pad {
        position: static;
        width: 100%;
        justify-content: space-between;
        padding: 0.65rem 0.9rem;
        background: rgba(15, 12, 28, 0.94);
        border-top: 2px solid var(--rpg-gold);
    }

    .dpad-cluster {
        grid-template-columns: repeat(3, 38px);
        grid-template-rows: repeat(2, 38px);
        gap: 4px;
    }

    .dpad-btn {
        width: 38px;
        height: 38px;
        font-size: 0.78rem;
    }

    .btn-action-a,
    .btn-action-b {
        width: 42px;
        height: 42px;
        font-size: 0.82rem;
    }

    .rpg-zone-banner {
        top: 8px;
        left: 8px;
        max-width: calc(100% - 16px);
        padding: 0.25rem 0.55rem;
        font-size: 0.68rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .rpg-dialogue-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 0.9rem;
        gap: 0.75rem;
    }

    .rpg-speaker-row,
    .rpg-dialogue-actions {
        justify-content: center;
        width: 100%;
    }

    .rpg-dialogue-actions .rpg-dlg-btn {
        flex: 1 1 200px;
        justify-content: center;
    }

    .projects-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.1rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 1.35rem;
    }

    .contact-item {
        min-width: 0;
    }

    .contact-meta,
    .contact-item div {
        min-width: 0;
    }

    .contact-item p {
        overflow-wrap: anywhere;
    }

    .page-cta-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
        padding: 1.4rem;
    }

    .modal-box {
        width: 94vw;
        max-height: 88vh;
        padding: 1.25rem;
    }

    .modal-links {
        flex-wrap: wrap;
    }

    .modal-links .btn {
        flex: 1 1 160px;
        justify-content: center;
    }

    .rpg-bgm-hud {
        bottom: max(10px, env(safe-area-inset-bottom, 10px));
        left: 10px;
        width: 275px;
    }
}

/* 4. Mobile Phones (max-width: 560px) */
@media (max-width: 560px) {
    nav.navbar.rpg-hud-navbar {
        padding: 0.48rem 0.7rem;
        gap: 0.4rem 0.5rem;
    }

    .rpg-brand-badge {
        padding: 0.22rem 0.5rem;
        font-size: 0.8rem;
        gap: 0.32rem;
        max-width: 55vw;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .rpg-lvl-pill {
        font-size: 0.52rem;
        padding: 0.12rem 0.3rem;
        flex-shrink: 0;
    }

    .nav-print-btn {
        display: none !important;
    }

    .rpg-nav-bgm-btn {
        padding: 0.26rem 0.48rem;
        font-size: 0.64rem;
    }

    .lang-btn {
        padding: 2px 6px;
        font-size: 0.7rem;
    }

    .theme-toggle {
        width: 32px;
        height: 32px;
    }

    .nav-links.rpg-quest-tabs {
        gap: 0.3rem;
        padding: 0.25rem 0 0.05rem;
    }

    .nav-links.rpg-quest-tabs li a {
        font-size: 0.74rem;
        padding: 0.28rem 0.52rem !important;
        gap: 0.25rem;
    }

    .container {
        padding-top: 7.35rem;
        padding-left: 0.85rem;
        padding-right: 0.85rem;
        padding-bottom: 6.2rem;
    }

    .hero-title {
        font-size: clamp(1.6rem, 7.2vw, 2.05rem);
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-bio {
        font-size: 0.92rem;
        line-height: 1.6;
    }

    .hero-cta {
        display: grid;
        grid-template-columns: 1fr 1fr;
        width: 100%;
        gap: 0.55rem;
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
        padding: 0.55rem 0.65rem;
        font-size: 0.8rem;
        height: 40px;
    }

    .hero-social-links {
        gap: 0.45rem;
    }

    .social-pill {
        font-size: 0.76rem;
        padding: 0.3rem 0.65rem;
        max-width: 100%;
        overflow-wrap: anywhere;
    }

    .hero-avatar-wrapper {
        width: 160px;
        height: 160px;
    }

    .cyber-orbit-ring.orbit-outer {
        width: 164px;
        height: 164px;
    }

    .cyber-orbit-ring.orbit-inner {
        width: 146px;
        height: 146px;
    }

    .profile-avatar {
        width: 120px;
        height: 120px;
    }

    .hero-metrics-hud {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .metric-card {
        padding: 1rem 1.1rem;
    }

    .rpg-map-stage {
        padding: 0.7rem;
    }

    .rpg-world-title h2 {
        font-size: 0.9rem;
    }

    .vital-pill {
        font-size: 0.62rem;
        padding: 0.2rem 0.42rem;
    }

    .vital-bar {
        width: 36px;
    }

    #rpg-world-canvas {
        aspect-ratio: 4 / 3;
    }

    .rpg-portrait-frame {
        width: 62px;
        height: 62px;
        min-width: 62px;
    }

    .rpg-dialogue-text {
        font-size: 0.84rem;
        min-height: 0;
    }

    .rpg-dialogue-actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .rpg-dialogue-actions .rpg-dlg-btn {
        width: 100%;
        flex: 1 1 auto;
        padding: 0.48rem 0.75rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-card {
        padding: 1.15rem;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
    }

    .project-header-badges {
        justify-content: flex-start;
    }

    .contact-form {
        padding: 1.2rem;
    }

    .rpg-bgm-hud {
        left: 10px;
        right: 10px;
        bottom: max(10px, env(safe-area-inset-bottom, 10px));
        width: auto;
        max-width: calc(100vw - 20px);
    }

    .rpg-save-point-banner {
        font-size: 0.6rem;
        padding: 0.3rem 0.6rem;
        text-align: center;
    }
}

/* 5. Extra-Small Phones (max-width: 380px) */
@media (max-width: 380px) {
    .hero-cta {
        grid-template-columns: 1fr;
    }

    .rpg-brand-badge {
        max-width: 48vw;
    }
}

/* ==========================================================================
   GOOGLE ACCOUNT SIGN-IN ANTI-SPAM GATE FOR CONTACT FORM
   ========================================================================== */
.google-auth-gate {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.15rem 1.25rem;
    margin-bottom: 1.35rem;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.12), rgba(15, 23, 42, 0.72));
    border: 1.5px solid rgba(66, 133, 244, 0.42);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

[data-theme="light"] .google-auth-gate {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.08), #f8fafc);
    border-color: rgba(37, 99, 235, 0.32);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

.google-auth-gate-header {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.google-auth-shield-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.google-auth-gate-text h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
}

.google-auth-gate-text p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.48;
    margin: 0;
}

.btn-google-signin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.78rem 1.2rem;
    border-radius: 999px;
    background: #ffffff;
    color: #1f1f1f;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid #dadce0;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.14);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-google-signin:hover {
    background: #f8faff;
    border-color: #4285f4;
    box-shadow: 0 4px 14px rgba(66, 133, 244, 0.28);
    transform: translateY(-1px);
}

.btn-google-signin:active {
    transform: translateY(0);
}

.google-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.google-verified-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    flex-wrap: wrap;
    padding: 0.85rem 1.05rem;
    margin-bottom: 1.25rem;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1.5px solid rgba(16, 185, 129, 0.4);
}

[data-theme="light"] .google-verified-banner {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(5, 150, 105, 0.35);
}

.google-verified-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.google-user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #10b981;
    flex-shrink: 0;
}

.google-user-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.google-verified-pill-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.12rem;
}

.google-verified-tag {
    display: inline-flex;
    align-items: center;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #10b981;
    background: rgba(16, 185, 129, 0.16);
    padding: 0.1rem 0.48rem;
    border-radius: 999px;
}

[data-theme="light"] .google-verified-tag {
    color: #047857;
}

.google-user-meta strong {
    font-size: 0.88rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.google-user-meta span#google-user-email {
    font-size: 0.76rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-google-signout {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.42rem 0.78rem;
    font-size: 0.76rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.btn-google-signout:hover {
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.45);
    background: rgba(239, 68, 68, 0.08);
}

.contact-fields-wrap.is-locked {
    opacity: 0.46;
    filter: grayscale(0.25);
    pointer-events: none;
    user-select: none;
    transition: opacity 0.25s ease, filter 0.25s ease;
}

.contact-fields-wrap {
    transition: opacity 0.25s ease, filter 0.25s ease;
}

.verified-email-lock {
    display: inline-flex;
    align-items: center;
    gap: 0.22rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.12);
    padding: 0.1rem 0.45rem;
    border-radius: 6px;
    margin-left: 0.4rem;
    vertical-align: middle;
}

.input-readonly-verified {
    cursor: not-allowed;
    opacity: 0.88;
}

/* ==========================================================================
   TECHNICAL COMPETENCIES (SKILLS CATEGORIES) MULTI-DEVICE UI SYSTEM
   (Desktop · Tablet · Mobile Phone)
   ========================================================================== */

/* 1. Desktop & Base Layout for Skills Filter HUD & Category Cards */
.skills-filter-hud {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 0.85rem 1.05rem;
    margin-bottom: 1.65rem;
    background: var(--surface-color);
    border: 2px solid rgba(251, 191, 36, 0.38);
    border-radius: 12px;
    box-shadow: 4px 4px 0 var(--rpg-border-outer);
}

.skills-search-wrapper {
    flex: 1 1 260px;
    min-width: 220px;
    max-width: 380px;
}

.skills-quick-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    justify-content: flex-end;
}

.skill-category-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.25;
    white-space: nowrap;
}

/* Multi-column Category Cards Grid on Homepage (#skills) */
.skills-categories-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
    align-items: stretch;
}

.skills-category {
    display: flex;
    flex-direction: column;
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px solid rgba(251, 191, 36, 0.42);
    border-radius: 12px;
    padding: 1.35rem 1.4rem;
    box-shadow: 4px 4px 0 var(--rpg-border-outer);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.skills-category:hover {
    border-color: var(--rpg-gold);
    transform: translateY(-2px);
    box-shadow: 6px 6px 0 var(--rpg-border-outer), 0 0 18px rgba(251, 191, 36, 0.16);
}

.skills-category .category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    padding-bottom: 0.85rem;
    margin-bottom: 1.05rem;
    border-bottom: 1px solid var(--border-color);
}

.skills-category .category-header h4 {
    flex: 1;
    font-size: 0.92rem;
    letter-spacing: 0.05em;
    line-height: 1.35;
    min-width: 0;
}

.skills-category .category-count {
    font-family: 'Silkscreen', 'Inter', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--rpg-gold);
    background: rgba(251, 191, 36, 0.12);
    border: 1px solid rgba(251, 191, 36, 0.35);
    padding: 0.14rem 0.52rem;
    border-radius: 999px;
    flex-shrink: 0;
}

/* Dedicated /skills Page Grids */
.skills-page-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.4rem;
    margin-bottom: 3.25rem;
}

.skills-category-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.15rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border-color);
}

.skills-category-card-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.06rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    min-width: 0;
    line-height: 1.35;
}

.category-tech-count {
    font-size: 0.7rem !important;
    padding: 0.18rem 0.58rem !important;
    white-space: nowrap;
    flex-shrink: 0;
}

.skills-capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.35rem;
}

.skills-page-content .tag {
    opacity: 1;
}

/* 2. Tablet Viewports (max-width: 1024px) */
@media (max-width: 1024px) {
    .skills-filter-hud {
        flex-direction: column;
        align-items: stretch;
        padding: 0.9rem 1rem;
        gap: 0.8rem;
    }

    .skills-search-wrapper {
        max-width: 100%;
        width: 100%;
        flex: 1 1 auto;
    }

    .skills-quick-filters {
        width: 100%;
        justify-content: flex-start;
        gap: 0.45rem;
    }

    .skill-category-btn {
        flex: 1 1 calc(25% - 0.45rem);
        min-width: 135px;
    }

    .skills-categories-wrapper,
    .skills-page-categories-grid,
    .skills-capabilities-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.1rem;
    }

    /* When 3 categories are visible on a 2-column tablet grid, let the 3rd card span full width cleanly */
    .skills-categories-wrapper > .skills-category:nth-child(3):last-child,
    .skills-page-categories-grid > .skills-category-card:nth-child(3):last-child,
    .skills-capabilities-grid > .about-card:nth-child(3):last-child {
        grid-column: 1 / -1;
    }
}

/* 3. Portrait Tablets & Large Phones (max-width: 768px) */
@media (max-width: 768px) {
    .skills-quick-filters {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
        overflow-x: visible !important;
        white-space: normal !important;
        padding-bottom: 0 !important;
    }

    .skill-category-btn {
        width: 100%;
        min-width: 0;
        padding: 0.5rem 0.65rem;
        font-size: 0.78rem;
        white-space: normal;
        line-height: 1.25;
        min-height: 38px;
    }

    .skills-categories-wrapper,
    .skills-page-categories-grid,
    .skills-capabilities-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .skills-category,
    .skills-category-card {
        padding: 1.15rem 1.1rem;
    }
}

/* 4. Mobile Phones (max-width: 560px) */
@media (max-width: 560px) {
    .skills-filter-hud {
        padding: 0.75rem 0.85rem;
        gap: 0.65rem;
        margin-bottom: 1.2rem;
    }

    .skills-search-input {
        font-size: 0.85rem;
        padding: 0.55rem 2rem 0.55rem 2.1rem;
    }

    .skills-quick-filters {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.42rem;
    }

    .skill-category-btn {
        font-size: 0.74rem;
        padding: 0.44rem 0.5rem;
        border-radius: 10px;
    }

    .skills-category .category-header,
    .skills-category-card-header {
        margin-bottom: 0.85rem;
        padding-bottom: 0.65rem;
    }

    .skills-category .category-header h4,
    .skills-category-card-header h3 {
        font-size: 0.88rem;
    }

    .skills-grid {
        gap: 0.48rem;
    }

    .skills-grid .tag {
        font-size: 0.8rem;
        padding: 0.38rem 0.72rem;
        flex: 0 1 auto;
    }
}

/* 5. Extra-Small Phones (max-width: 360px) */
@media (max-width: 360px) {
    .skills-quick-filters {
        grid-template-columns: 1fr;
    }
}