/* ============================================================
   AINA VISUALS — PORTFOLIO DESIGN SYSTEM v3.0
   ============================================================ */

/* ------ Fonts ------ */
@font-face {
    font-family: 'Anson';
    src: url('../fonts/Anson.ttf') format('truetype');
}

/* ------ CSS Variables ------ */
:root {
    --bg:           #08080a;
    --bg-alt:       #0c0c10;
    --surface:      rgba(255, 255, 255, 0.02);
    --surface-2:    rgba(255, 255, 255, 0.05);
    --border:       rgba(255, 255, 255, 0.06);
    --border-glow:  rgba(0, 243, 255, 0.4);

    /* PRO Color Palette */
    --accent-1:     #00f3ff; /* Cyan */
    --accent-2:     #ff0055; /* Hot Pink */
    --accent-3:     #7000ff; /* Purple */
    --gold:         #d4af37;

    /* Semantic Aliases */
    --cyan:         var(--accent-1);
    --magenta:      var(--accent-2);
    --purple:       var(--accent-3);

    --cyan-glow:    rgba(0, 243, 255, 0.5);
    --cyan-dim:     rgba(0, 243, 255, 0.1);
    --magenta-glow: rgba(255, 0, 85, 0.5);
    --magenta-dim:  rgba(255, 0, 85, 0.1);
    
    --text-1:       #ffffff;
    --text-2:       #b0b0cc;
    --text-3:       #666680;

    --grid-color:   rgba(0, 243, 255, 0.03);
    --glass-bg:     rgba(255, 255, 255, 0.03);
    --glass-blur:   blur(12px);

    --radius-sm:    4px;
    --radius-md:    8px;
    --radius-lg:    16px;

    --ease-pro:     cubic-bezier(0.76, 0, 0.24, 1);
    --ease-bounce:  cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-smooth:  cubic-bezier(0.4, 0, 0.2, 1);

    --font-display: 'Orbitron', sans-serif;
    --font-body:    'Inter', sans-serif;
    --font-mono:    'JetBrains Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
    font-size: 17.6px; /* 110% of 16px */
}

body {
    background-color: var(--bg);
    color: var(--text-1);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.no-cursor { cursor: none !important; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1.1;
}

body.nav-open {
    overflow: hidden !important;
    height: 100vh;
}

a { text-decoration: none; }

/* ============================================================
   AMBIENT LAYERS
   ============================================================ */
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.screen-vignette {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.65) 100%);
}

#grid-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: var(--bg);
    pointer-events: none;
}

.spotlight {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(
        800px circle at var(--mouse-x, -100%) var(--mouse-y, -100%),
        rgba(0, 243, 255, 0.12) 0%,
        rgba(0, 243, 255, 0.04) 25%,
        transparent 70%
    );
}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor-outer {
    position: fixed;
    top: 0; left: 0;
    width: 20px; height: 20px;
    border: 1.5px solid var(--accent-1);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10001;
    transform: translate(-50%, -50%);
    transition: width 0.3s var(--ease-pro),
                height 0.3s var(--ease-pro),
                background 0.3s,
                border-color 0.3s,
                opacity 0.3s;
    opacity: 1;
    box-shadow: 0 0 15px var(--border-glow);
}

.cursor-inner {
    position: fixed;
    top: 0; left: 0;
    width: 6px; height: 6px;
    background: #fff;
    border-radius: 50%;
    pointer-events: none;
    z-index: 10002;
    transform: translate(-50%, -50%);
    transition: transform 0.2s;
    box-shadow: 
        0 0 15px rgba(255, 255, 255, 0.8),
        0 0 30px var(--accent-1),
        0 0 50px var(--accent-1);
}

.cursor-text {
    position: fixed;
    top: 0; left: 0;
    font-family: var(--font-mono);
    font-size: 10px;
    color: #fff;
    pointer-events: none;
    z-index: 10003;
    opacity: 0;
    transform: translate(15px, 15px);
    transition: opacity 0.3s ease;
    white-space: nowrap;
    letter-spacing: 1px;
}

.cursor-outer.hover {
    width: 80px; height: 80px;
    background: rgba(255, 255, 255, 1);
    border-color: transparent;
}

.cursor-outer.view {
    width: 100px; height: 100px;
    background: rgba(0, 243, 255, 0.2);
    border: 1.5px solid var(--accent-1);
}

.cursor-outer.view + .cursor-text {
    opacity: 1;
}

.cursor-trail {
    position: fixed;
    top: 0; left: 0;
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--accent-1);
    opacity: 0.2;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    mix-blend-mode: screen;
}

.cursor-outer.hover {
    width: 64px; height: 64px;
    background: rgba(0, 243, 255, 0.08);
    border-color: var(--magenta);
    border-width: 1px;
}

/* ============================================================
   BRAND STORY PAGE (about.html)
   ============================================================ */
.about-page .page-content {
    padding-top: 180px;
    padding-bottom: 200px;
    text-align: center;
}

.brand-hero {
    margin-bottom: 6rem;
}

.slogan-en {
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 12px;
    opacity: 0.4;
    margin-top: 1rem;
}

.grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    text-align: left;
}

.story-col {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.story-para {
    font-size: 1.1rem;
    color: var(--text-2);
    line-height: 1.8;
}

.intro-bold {
    font-size: 1.6rem;
    color: var(--text-1);
    font-weight: 300;
}

.highlighted {
    color: var(--cyan);
    border-left: 2px solid var(--cyan);
    padding-left: 24px;
    font-style: italic;
    opacity: 0.9;
}

.footer-concept {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-2);
    margin-bottom: 0.8rem;
    max-width: 400px;
    line-height: 1.6;
}

.footer-slogan-small {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--cyan);
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .grid-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .intro-bold {
        font-size: 1.3rem;
    }
}

/* ============================================================
   HUD CORNERS
   ============================================================ */
.hud-corners {
    position: fixed;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--accent-1);
    opacity: 0.12;
    z-index: 900;
    letter-spacing: 4px;
    pointer-events: none;
    padding: 10px 14px;
    text-transform: uppercase;
}

.top-left    { top: 24px;    left: 24px;  border-left:   1px solid var(--accent-1); }
.top-right   { top: 24px;    right: 24px; border-right:  1px solid var(--accent-1); text-align: right; }
.bottom-left { bottom: 24px; left: 24px;  border-left:   1px solid var(--accent-1); }
.bottom-right{ bottom: 24px; right: 24px; border-right:  1px solid var(--accent-1); text-align: right; }

/* ============================================================
   PRELOADER
   ============================================================ */
#preloader {
    position: fixed;
    inset: 0;
    background: #000;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    transition: opacity 0.9s var(--ease-smooth), visibility 0.9s;
}

#preloader.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, #0a0020 0%, #000 70%);
}

.loader-content {
    text-align: center;
    width: min(600px, 90vw);
    position: relative;
    z-index: 1;
}

.loader-logo-mark {
    width: 64px;
    height: 64px;
    margin: 0 auto 28px;
    color: var(--cyan);
}

.hex-outer {
    animation: hexRotate 6s linear infinite;
    transform-origin: center;
}

.hex-inner {
    animation: hexRotate 4s linear infinite reverse;
    transform-origin: center;
}

.hex-dot {
    animation: pulse 2s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.4; transform: scale(1.8); }
}

.loader-glitch {
    font-family: var(--font-display);
    color: var(--accent-1);
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    margin-bottom: 32px;
    letter-spacing: 12px;
    position: relative;
    text-shadow: 0 0 12px var(--accent-1);
    animation: textFlicker 2s infinite;
}

.loader-bar-container {
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
}

.loader-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-3));
    animation: loadProgress 2.5s forwards cubic-bezier(0.1, 0, 0.15, 1);
}

.loader-bar-glow {
    position: absolute;
    top: -4px;
    right: 0;
    width: 40px;
    height: 10px;
    background: var(--accent-1);
    filter: blur(8px);
    opacity: 0.5;
    animation: glowTrail 2.5s forwards;
}

@keyframes loadProgress {
    0%   { width: 0%; }
    40%  { width: 50%; }
    75%  { width: 80%; }
    95%  { width: 96%; }
    100% { width: 100%; }
}

@keyframes glowTrail {
    0%   { right: 100%; }
    100% { right: 0%; }
}

.status-tags {
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.72rem;
    color: var(--cyan);
    font-family: var(--font-mono);
    opacity: 0.6;
    letter-spacing: 1.5px;
}

.status-tags .tag {
    opacity: 0;
    animation: tagAppear 0.5s forwards;
}

#tag1 { animation-delay: 0.3s; }
#tag2 { animation-delay: 0.8s; }
#tag3 { animation-delay: 1.3s; }

@keyframes tagAppear {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 0.7; transform: translateY(0); }
}

.scanline {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 3px,
        rgba(0, 0, 0, 0.12) 3px,
        rgba(0, 0, 0, 0.12) 4px
    );
    z-index: 10000;
    pointer-events: none;
    animation: scanlineScroll 3s linear infinite;
}

@keyframes scanlineScroll {
    0%   { transform: translateY(0); }
    100% { transform: translateY(4px); }
}

/* Year counter */
.year-counter {
    position: absolute;
    bottom: 36px; right: 56px;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--cyan);
    text-shadow: 0 0 12px var(--cyan), 0 0 28px var(--cyan-dim);
    letter-spacing: 4px;
    opacity: 0.9;
    display: flex;
    align-items: center;
}

.digit-roller {
    height: 3.5rem;
    overflow: hidden;
    position: relative;
    margin-left: 4px;
    mask-image: linear-gradient(to bottom, transparent 0%, black 25%, black 75%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 25%, black 75%, transparent 100%);
}

.digit-list {
    display: flex;
    flex-direction: column;
    transition: transform 2.2s cubic-bezier(0.45, 0.05, 0.55, 0.95);
    transform: translateY(0);
}

.digit-list span {
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--magenta);
    text-shadow: 0 0 12px var(--magenta);
    transition: color 0.5s, text-shadow 0.5s;
}

.digit-list.reached-target span.final-digit {
    color: var(--cyan);
    text-shadow: 0 0 12px var(--cyan), 0 0 28px var(--cyan-dim);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 0.8rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(5, 5, 10, 0.7);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--border);
    z-index: 2005; /* Above backdrop and drawer for visibility */
    transition: background 0.4s, box-shadow 0.4s;
}

.nav-left-wrap {
    display: flex;
    align-items: center;
    gap: 2.5rem; /* Space between burger and logo */
}

#nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    margin-left: auto; /* Push links to the far right */
}

body.nav-open .glass-nav {
    pointer-events: none;
}

body.nav-open #burger-btn {
    pointer-events: auto;
}

.glass-nav.scrolled {
    background: rgba(5, 5, 10, 0.92);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
}

.logo {
    display: flex;
    align-items: center;
    font-family: 'Anson', sans-serif;
    font-size: calc(1.5rem / 1.1); /* Reduced from 2.1rem */
    font-weight: 500;
    color: var(--text-1);
    letter-spacing: 8px; /* Slightly reduced spacing */
    position: relative;
    gap: 14px; /* Reduced gap */
}

.logo-img {
    height: 32px; /* Reduced from 48px */
    width: auto;
    filter: drop-shadow(0 0 12px var(--cyan-glow));
}

.logo span {
    color: var(--cyan);
    text-shadow: 0 0 20px var(--cyan-glow);
}

.logo-pulse {
    width: 6px; height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    margin-left: 4px;
    box-shadow: 0 0 8px var(--cyan);
    animation: logoPulse 2s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.4; transform: scale(0.6); }
}

#nav-links {
    display: flex; /* Restore standard links */
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--text-2);
    letter-spacing: 3px;
    font-weight: 600;
    position: relative;
    padding: 4px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s;
}

.nav-dot {
    width: 4px; height: 4px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--text-3);
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
    flex-shrink: 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 12px; right: 0;
    height: 1px;
    background: var(--cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-1);
}

.nav-link:hover .nav-dot,
.nav-link.active .nav-dot {
    background: var(--cyan);
    border-color: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.nav-link.active {
    color: var(--cyan);
    text-shadow: 0 0 8px var(--cyan-dim);
}

/* --- Premium Staggered Toggle --- */
.sm-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    background: none;
    border: none;
    cursor: none;
    padding: 8px;
    color: var(--text-2);
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    font-weight: 700;
    opacity: 0; /* Hidden by scroll logic initially */
    pointer-events: none;
    transition: opacity 0.5s var(--ease-pro), color 0.3s;
}

.sm-toggle.visible {
    opacity: 1;
    pointer-events: auto;
}

.sm-icon {
    width: 24px;
    height: 18px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sm-icon-line {
    width: 100%;
    height: 1.5px;
    background: currentColor;
    transition: transform 0.6s var(--ease-pro), opacity 0.3s;
    transform-origin: center;
}

/* Burger to Cross States handled by JS or CSS classes */
.sm-toggle.open .line-1 { transform: translateY(8px) rotate(45deg); background: var(--cyan); }
.sm-toggle.open .line-2 { opacity: 0; }
.sm-toggle.open .line-3 { transform: translateY(-8px) rotate(-45deg); background: var(--cyan); }

/* --- Staggered Pre-layers --- */
.sm-prelayers {
    position: fixed;
    inset: 0;
    z-index: 2000;
    pointer-events: none;
    display: flex;
    flex-direction: column;
}

.sm-prelayer {
    flex: 1;
    width: 100%;
    transform: translateX(-100%);
}

.sm-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1500;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: none;
    display: none;
    pointer-events: auto;
}

body.nav-open .sm-backdrop {
    display: block;
}

#site-wrapper {
    transition: filter 0.8s var(--ease-pro), transform 0.8s var(--ease-pro), opacity 0.8s;
}

body.nav-open #site-wrapper {
    filter: blur(12px) brightness(0.4) saturate(0.8);
    transform: scale(0.98);
    pointer-events: none; /* Disable interaction */
}

/* Left-aligned burger for specific pages like blender.html */
.top-left-burger {
    display: flex !important;
    position: fixed;
    top: 32px;
    left: 40px;
    z-index: 1001;
    background: rgba(10, 10, 15, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 50%;
    padding: 12px;
    transition: all 0.3s var(--ease-pro);
}

.top-left-burger:hover {
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--cyan);
    box-shadow: 0 0 20px var(--cyan-dim);
}

/* Site Push Effect Wrapper */
#site-wrapper {
    position: relative;
    width: 100%;
    min-height: 100vh;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), 
                filter 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    background: transparent;
    z-index: 10;
    transform-origin: center left;
}

/* --- Card Nav Menu (React Bits Inspired) --- */
.card-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    pointer-events: none;
    visibility: hidden;
    overflow: hidden;
}

body.nav-open .card-nav-overlay {
    pointer-events: auto;
    visibility: visible;
}

.card-stack {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 100px 5% 0;
}

.nav-card {
    position: absolute;
    width: 90%;
    max-width: 600px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: 0 50px 100px rgba(0, 0, 0, 0.5);
    transform: translateY(-120%) rotateX(45deg);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s;
    opacity: 0;
    z-index: calc(10 - var(--card-index));
    top: calc(var(--card-index) * 60px + 100px);
}

body.nav-open .nav-card {
    transform: translateY(0) rotateX(0deg);
    opacity: 1;
    transition-delay: calc(var(--card-index) * 0.1s);
}

.card-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--cyan);
    margin-bottom: 2rem;
    letter-spacing: 4px;
}

.card-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.card-link {
    font-family: var(--font-main);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-1);
    text-decoration: none;
    transition: color 0.3s, transform 0.3s;
    line-height: 1;
}

.card-link:hover {
    color: var(--cyan);
    transform: translateX(10px);
}

.card-link.highlight {
    color: var(--cyan);
}

.card-info-text {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-3);
    line-height: 1.8;
}

/* Header Adjustments */
#main-nav {
    z-index: 2000;
}

/* ============================================================
   SHARED SECTION STYLES
   ============================================================ */
section[id] {
    scroll-margin-top: 110px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 100px 5%;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--cyan);
    letter-spacing: 5px;
    opacity: 0.7;
    display: block;
    margin-bottom: 1.6rem;
}

.section-title {
    font-size: clamp(calc(2rem / 1.1), 4vw, calc(3rem / 1.1));
    color: var(--text-1);
    margin-bottom: 2.5rem;
}

.section-title span {
    color: var(--magenta);
    text-shadow: 0 0 18px var(--magenta-glow);
}

.section-desc {
    font-size: 1rem;
    color: var(--text-2);
    max-width: 540px;
    margin: 0 auto;
    letter-spacing: 0.5px;
    line-height: 1.8;
}

/* Scroll reveal */
.reveal-section { opacity: 1; }

.reveal-item {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
    transition-delay: var(--delay, 0s);
}

.reveal-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 130px 0 120px; /* 縮減上下 padding，讓內容更往中間集中 */
}

.video-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.video-bg video, .video-bg iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.25) grayscale(1) contrast(1.15); /* Updated per user request */
}

.video-color-grade {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 243, 255, 0.04) 0%,
        transparent 50%,
        rgba(212, 0, 255, 0.04) 100%
    );
}

.hero-overlay {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    max-width: 1000px;
    width: 100%;
}

.hero-badge-row {
    position: absolute;
    top: 90px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    gap: 16px;
    white-space: nowrap; /* Prevent wrapping */
    z-index: 10;
}

.hero-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--cyan);
    border: 1px solid var(--border-glow);
    padding: 4px 14px;
    border-radius: 100px;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--cyan-dim);
}

.hero-badge.dim {
    color: var(--text-3);
    border-color: var(--border);
    background: transparent;
}

.badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
    animation: logoPulse 1.5s ease-in-out infinite;
    display: inline-block;
}

.hero-location-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--cyan);
    letter-spacing: 4px;
    margin-bottom: 1rem;
    opacity: 0.9;
    text-shadow: 0 0 10px var(--cyan-glow);
}

.loc-bracket { opacity: 0.3; color: var(--text-1); }
.loc-label { color: var(--text-3); font-weight: 300; }
.loc-city { font-weight: 600; letter-spacing: 5px; }
.loc-coords { font-size: 0.55rem; opacity: 0.5; color: var(--text-2); }

.hero-eyebrow {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-2);
    letter-spacing: 6px;
    margin-bottom: 0.6rem;
}

.hero-title-block {
    margin-bottom: 0.8rem;
}

.hero-title-underline {
    width: 240px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent);
    margin: 0.8rem auto 0;
    position: relative;
}

h1.large-title {
    font-size: clamp(2.5rem, 9.5vw, 6.8rem); /* 縮小滿版的最高字體，釋放畫面高度 */
    font-weight: 950;
    letter-spacing: -2px;
    color: var(--text-1);
    line-height: 0.9;
    margin-bottom: 0.2rem;
    
    /* 科技感 3D 浮動效果 */
    transform-style: preserve-3d;
    animation: float3D 6s ease-in-out infinite;
}

@keyframes float3D {
    0%, 100% {
        transform: translateY(0);
        text-shadow: 
            0 1px 0 rgba(255,255,255,0.1),
            0 2px 0 rgba(255,255,255,0.05),
            0 3px 0 var(--cyan-dim),
            0 4px 0 var(--cyan-dim),
            0 5px 0 var(--cyan),
            0 6px 15px rgba(0, 243, 255, 0.4),
            0 10px 20px rgba(0, 0, 0, 0.8);
    }
    50% {
        transform: translateY(-12px);
        text-shadow: 
            0 2px 0 rgba(255,255,255,0.1),
            0 4px 0 rgba(255,255,255,0.05),
            0 6px 0 var(--cyan-dim),
            0 8px 0 var(--cyan-dim),
            0 10px 0 var(--cyan),
            0 15px 25px rgba(0, 243, 255, 0.6),
            0 25px 35px rgba(0, 0, 0, 0.9);
    }
}

/* === 3D Tilted Perspective Elements === */
.tilt-float {
    transform-style: preserve-3d;
    transition: transform 0.3s cubic-bezier(0.1, 0, 0.4, 1);
    transform: perspective(1200px) 
               rotateX(calc(var(--mouse-y, 0) * -8deg)) 
               rotateY(calc(var(--mouse-x, 0) * 8deg)) 
               translateZ(0px);
}

.tilt-float-fast {
    transform-style: preserve-3d;
    transition: transform 0.25s cubic-bezier(0.1, 0, 0.4, 1);
    transform: translateX(-50%) 
               perspective(1200px) 
               rotateX(calc(var(--mouse-y, 0) * -12deg)) 
               rotateY(calc(var(--mouse-x, 0) * 12deg)) 
               translateZ(20px);
}

/* Glitch effect customized for STUDIO */
.glitch-studio { 
    position: relative; 
    display: inline-block;
}

.glitch-studio::before,
.glitch-studio::after {
    content: attr(data-text);
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: transparent;
    pointer-events: none;
}

.glitch-studio::before {
    left: 4px;
    text-shadow: -3px 0 var(--magenta);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-a 3.5s infinite steps(2); /* 更劇烈的抖動 */
}

.glitch-studio::after {
    left: -4px;
    text-shadow: 3px 0 var(--cyan);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-b 2.5s infinite steps(2);
}

@keyframes glitch-a {
    0%   { clip: rect(42px, 9999px, 62px, 0); opacity: 1; }
    10%  { clip: rect(12px, 9999px, 90px, 0); opacity: 0.8; }
    20%  { clip: rect(70px, 9999px, 30px, 0); opacity: 1; }
    30%  { clip: rect(55px, 9999px, 10px, 0); opacity: 0; }
    40%  { opacity: 0; }
    50%  { clip: rect(30px, 9999px, 80px, 0); opacity: 0.9; }
    60%  { opacity: 0; }
    70%  { clip: rect(60px, 9999px, 20px, 0); opacity: 0.6; }
    80%  { opacity: 0; }
    90%  { clip: rect(20px, 9999px, 70px, 0); opacity: 0.8; }
    100% { opacity: 0; }
}

@keyframes glitch-b {
    0%   { clip: rect(65px, 9999px, 45px, 0); opacity: 0.8; }
    15%  { clip: rect(25px, 9999px, 85px, 0); opacity: 1; }
    30%  { opacity: 0; }
    45%  { clip: rect(80px, 9999px, 10px, 0); opacity: 0.7; }
    60%  { opacity: 0; }
    75%  { clip: rect(15px, 9999px, 55px, 0); opacity: 0.9; }
    100% { opacity: 0; }
}

.hero-subtitle {
    font-size: clamp(0.85rem, 1.4vw, 1.05rem);
    color: var(--text-2);
    letter-spacing: 1.5px;
    margin-bottom: 1.6rem; /* 縮減副標下方的留白 */
    font-weight: 300;
    line-height: 2;
}

.hero-subtitle em {
    color: var(--cyan);
    font-style: normal;
}

/* Hero Buttons */
.hero-btns {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 2rem; /* Reduced to save vertical space */
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: 1px solid var(--accent-1);
    color: var(--accent-1);
    font-family: var(--font-display);
    padding: 16px 40px;
    font-size: calc(0.85rem * (1.35 / 1.1));
    letter-spacing: 4px;
    cursor: none;
    position: relative;
    overflow: hidden;
    transition: all 0.5s var(--ease-pro);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.btn-primary:hover {
    color: var(--bg);
    box-shadow: 0 0 30px var(--border-glow);
    border-color: transparent;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-1);
    transform: translateX(-101%); /* Start slightly further for overlap */
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); /* Premium Ease-Out-Expo */
    z-index: -1;
}

.btn-primary:hover::before {
    transform: translateX(0);
}

/* Red Denied Button Variant */
.btn-denied {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 0, 0, 0.05);
    border: 1px solid var(--magenta);
    color: var(--magenta);
    font-family: var(--font-display);
    padding: 16px 40px;
    font-size: calc(0.85rem * (1.35 / 1.1));
    letter-spacing: 4px;
    cursor: none;
    position: relative;
    overflow: hidden;
    transition: all 0.5s var(--ease-pro);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    box-shadow: inset 0 0 15px rgba(255, 0, 68, 0.1);
}

.btn-denied:hover {
    color: var(--bg);
    box-shadow: 0 0 40px rgba(255, 0, 68, 0.5);
    border-color: transparent;
}

.btn-denied::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--magenta);
    transform: translateX(-101%);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
}

.btn-denied:hover::before {
    transform: translateX(0);
}

.btn-denied .btn-icon {
    font-weight: 900;
    font-family: Arial, sans-serif; /* For a cleaner X */
}

.btn-primary {
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1), color 0.4s ease;
}

.btn-primary .btn-icon {
    font-size: 0.9rem;
}

.btn-line {
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 2px;
    background: var(--magenta);
    transform: translateX(-100%);
    transition: transform 0.4s var(--ease-smooth);
}

.btn-primary:hover .btn-line {
    transform: translateX(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-2);
    font-family: var(--font-display);
    font-size: calc(0.82rem * (1.35 / 1.1));
    letter-spacing: 3px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.btn-secondary:hover {
    color: var(--text-1);
    border-color: var(--text-3);
}

.btn-small {
    padding: 10px 24px;
    font-size: 0.75rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
}

.stat-item {
    text-align: center;
    padding: 0 40px;
}

.stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    color: var(--text-1);
    letter-spacing: 2px;
}

.stat-num::after {
    content: '+';
    font-size: 0.6em;
    color: var(--cyan);
    margin-left: 2px;
}

.stat-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-3);
    letter-spacing: 3px;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--border);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 2;
}

.scroll-text {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--cyan);
    letter-spacing: 4px;
    opacity: 0.5;
}

.scroll-bar {
    width: 1.5px;
    height: 56px;
    background: linear-gradient(to bottom, var(--cyan), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-bar::after {
    content: '';
    position: absolute;
    top: -100%; left: 0;
    width: 100%; height: 100%;
    background: var(--magenta);
    animation: scrollAnim 2.2s ease-in-out infinite;
}

@keyframes scrollAnim {
    0%   { top: -100%; opacity: 1; }
    80%  { top: 80%;   opacity: 1; }
    100% { top: 100%;  opacity: 0; }
}

/* Hero corner decorations */
.hero-corner {
    position: absolute;
    width: 40px;
    height: 40px;
    z-index: 2;
    opacity: 0.5;
}

.hero-corner--tl { top: 90px;    left: 40px;  border-top:  1px solid var(--cyan); border-left:   1px solid var(--cyan); }
.hero-corner--tr { top: 90px;    right: 40px; border-top:  1px solid var(--cyan); border-right:  1px solid var(--cyan); }
.hero-corner--bl { bottom: 20px; left: 40px;  border-bottom: 1px solid var(--cyan); border-left: 1px solid var(--cyan); }
.hero-corner--br { bottom: 20px; right: 40px; border-bottom: 1px solid var(--cyan); border-right:1px solid var(--cyan); }

/* ============================================================
   SKILLS SECTION
   ============================================================ */
.skills-section {
    position: relative;
    background: transparent;
}

.skills-section .container {
    padding-top: 60px; /* Pulling PROFILE text up to align with section transition */
}

.skills-section::before {
    content: '';
    position: absolute;
    top: -150px; left: 0; right: 0; height: 150px;
    background: linear-gradient(to bottom, transparent, var(--bg));
    pointer-events: none;
    z-index: 1;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 48px 32px; /* 拉大行距讓第二排退出版面 */
}

.skill-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    transition: all 0.5s var(--ease-pro);
    position: relative;
    overflow: hidden;
}

.skill-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.08) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}

.skill-card:hover {
    border-color: var(--accent-1);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.skill-card:hover::after {
    opacity: 1;
}

.skill-icon {
    width: 48px; height: 48px;
    color: var(--cyan);
    margin-bottom: 1.2rem;
    opacity: 0.9;
}

.skill-title {
    font-size: 1rem;
    color: var(--text-1);
    margin-bottom: 0.6rem;
    letter-spacing: 3px;
}

.skill-desc {
    font-size: 0.8rem; /* Reverted to slightly smaller size for better balance */
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 1.4rem;
}

.skill-bar-wrap {
    width: 100%;
    height: 2px;
    background: var(--border);
    border-radius: 1px;
    overflow: hidden;
    margin-bottom: 8px;
}

.skill-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--magenta));
    border-radius: 1px;
    transition: width 1.2s var(--ease-smooth);
}

.skill-level-label {
    font-family: var(--font-mono);
    font-size: 0.72rem; /* Enlarged from 0.62rem */
    color: var(--text-3);
    letter-spacing: 3px;
    transition: color 0.4s var(--ease-smooth), letter-spacing 0.4s var(--ease-smooth), opacity 0.4s var(--ease-smooth);
    opacity: 0.6;
}

.skill-card:hover .skill-level-label {
    color: var(--cyan);
    letter-spacing: 5px;
    opacity: 1;
    text-shadow: 0 0 10px var(--cyan-glow);
}

/* ============================================================
   WIREFRAME SHOWCASE (Filter Magic)
   ============================================================ */
.wireframe-showcase {
    margin-top: 80px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    padding: 3rem;
    transition: all 0.5s var(--ease-pro);
}

.wireframe-showcase:hover {
    border-color: var(--accent-1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.wireframe-header {
    text-align: center;
    margin-bottom: 2rem;
}

.wireframe-title {
    font-size: 1.4rem;
    color: var(--text-1);
    letter-spacing: 4px;
    margin-bottom: 0.5rem;
}

.wireframe-desc {
    font-size: 0.9rem;
    color: var(--accent-1);
    font-family: var(--font-mono);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.wireframe-container {
    width: 100%;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
}

.glowing-wireframe {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: contain;
    /* Invert black to white, then apply drop shadow */
    filter: invert(1) 
            drop-shadow(0 0 5px rgba(0, 243, 255, 0.4)) 
            drop-shadow(0 0 15px rgba(0, 243, 255, 0.2)) 
            drop-shadow(0 0 30px rgba(0, 243, 255, 0.1));
    transition: filter 0.8s var(--ease-pro), transform 0.8s var(--ease-pro);
    opacity: 0.8;
}

.wireframe-showcase:hover .glowing-wireframe {
    transform: scale(1.02);
    opacity: 1;
    filter: invert(1) 
            drop-shadow(0 0 8px rgba(0, 243, 255, 0.9)) 
            drop-shadow(0 0 20px rgba(0, 243, 255, 0.6)) 
            drop-shadow(0 0 50px rgba(0, 243, 255, 0.4));
}

/* ============================================================
   INTERACTIVE CORE (Three.js)
   ============================================================ */
.vfx-showcase {
    position: relative;
    background: transparent;
    padding: 80px 0;
}

#three-container {
    width: 100%;
    height: clamp(400px, 55vh, 640px);
    background: radial-gradient(ellipse at center, #12003a 0%, #050505 100%);
    border: 1px solid var(--border);
    position: relative;
    border-radius: var(--radius-lg);
    box-shadow:
        0 0 0 1px var(--border),
        0 0 60px rgba(0, 0, 0, 0.5),
        inset 0 0 80px rgba(0, 243, 255, 0.03);
    overflow: hidden;
}

.canvas-hint {
    position: absolute;
    bottom: 20px; right: 24px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--cyan);
    opacity: 0.4;
    letter-spacing: 2px;
    pointer-events: none;
    z-index: 1;
}

.three-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--border);
    pointer-events: none;
    z-index: 0;
}

.three-ring--1 {
    width: 60%;
    padding-top: 60%;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation: ringPulse 4s ease-in-out infinite;
}

.three-ring--2 {
    width: 40%;
    padding-top: 40%;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    border-color: var(--cyan-dim);
    animation: ringPulse 4s ease-in-out infinite 1s;
}

@keyframes ringPulse {
    0%, 100% { opacity: 0.4; }
    50%       { opacity: 0.1; }
}

/* ============================================================
   PROJECT GALLERY
   ============================================================ */
.gallery-section {
    position: relative;
    background: transparent;
    margin-top: 15vh; /* Pushed down */
}

/* Filter tabs */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-tab {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-3);
    border-radius: 100px;
    cursor: none;
    transition: all 0.3s var(--ease-smooth);
}

.filter-tab:hover {
    border-color: var(--text-3);
    color: var(--text-2);
}

.filter-tab.active {
    background: var(--cyan-dim);
    border-color: var(--cyan);
    color: var(--cyan);
    box-shadow: 0 0 16px var(--cyan-dim);
}

/* Project Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px; /* Increased from 28px for more breathing room */
}

/* --- Premium Static Cyan Glow --- */
.project-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: none;
    transition: all 0.6s var(--ease-pro);
    position: relative;
    z-index: 1;
}

.project-card:hover {
    transform: translateY(-12px);
    border-color: var(--cyan);
    box-shadow: 
        0 40px 100px rgba(0, 0, 0, 0.8),
        0 0 40px var(--cyan-dim),
        0 0 100px rgba(0, 243, 255, 0.2);
}

.project-card::before, .project-card::after {
    display: none !important;
}

/* Inner Layout */
.thumb-wrapper {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    position: relative;
}

.project-card[data-orientation="portrait"] {
    grid-column: 1 / -1;
    justify-self: center;
    width: 100%;
    max-width: 480px;
}

.thumb-wrapper {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #0d0d1a;
    position: relative;
    overflow: hidden;
}

.thumb-wrapper.portrait {
    aspect-ratio: 9 / 16;
    max-height: 500px;
}

.thumb-wrapper video,
.thumb-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease-smooth), filter 0.4s;
}

.project-card:hover .thumb-wrapper video,
.project-card:hover .thumb-wrapper img {
    transform: scale(1.06);
    filter: brightness(0.9) contrast(1.1) saturate(1.1);
}

/* Card overlay on hover */
.thumb-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 243, 255, 0.15),
        transparent
    );
    opacity: 0;
    transition: opacity 0.4s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-card:hover .thumb-overlay {
    opacity: 1;
}

.thumb-play-icon {
    width: 52px; height: 52px;
    border: 2px solid rgba(255,255,255,0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    transform: scale(0.8);
    transition: transform 0.3s var(--ease-bounce);
    backdrop-filter: blur(4px);
}

.project-card:hover .thumb-play-icon {
    transform: scale(1);
}

/* Card scanning overlay */
.thumb-wrapper::before {
    content: 'ANALYZING...';
    position: absolute;
    top: 12px; right: 12px;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    color: var(--cyan);
    letter-spacing: 2px;
    opacity: 0;
    z-index: 2;
    transition: opacity 0.3s;
}

.project-card:hover .thumb-wrapper::before {
    opacity: 1;
    animation: textFlicker 0.8s infinite;
}

/* Card category badge */
.gallery-footer {
    display: flex;
    justify-content: center;
    margin-top: 6rem;
    margin-bottom: 8rem;
}

.more-projects-btn {
    padding: 19px 52px !important; /* ~15% larger than 16px 40px */
    font-size: 1rem !important;
    letter-spacing: 5px !important;
    white-space: nowrap;
}

.more-projects-btn:hover {
    box-shadow: 0 0 40px var(--cyan-glow);
}

.btn-icon {
    font-size: 0.8rem;
    margin-right: 12px;
}

.card-category {
    position: absolute;
    top: 12px; left: 12px;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-1);
    background: rgba(0,0,0,0.6);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: 100px;
    letter-spacing: 2px;
    backdrop-filter: blur(4px);
    z-index: 2;
}

.project-card .info {
    padding: 2.2rem 2.4rem; /* Increased padding for better hierarchy */
    display: flex;
    flex-direction: column;
    gap: 12px; /* More space between title and role */
}

.project-card h3 {
    font-size: 0.95rem;
    letter-spacing: 2.5px;
    color: var(--text-1);
    transition: color 0.3s;
}

.project-card:hover h3 {
    color: var(--cyan);
}

.project-card .role-text {
    font-size: 0.8rem;
    color: var(--text-3);
    font-family: var(--font-mono);
    letter-spacing: 1px;
}

/* ============================================================
   CLIENTS MARQUEE
   ============================================================ */
.clients-section {
    border-top: 1px solid var(--border);
    border-bottom: none; /* 與下方 Footer 懸浮隔離，移除底線 */
    margin-top: 10vh; /* Pushed down */
    padding: 60px 0 20px; /* Reduced bottom padding to move closer to footer */
    overflow: hidden;
}

.clients-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.marquee-track-wrap {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    animation: marqueeScroll 28s linear infinite;
}

.marquee-track span {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 4px;
    color: var(--text-3);
    padding: 0 32px;
    transition: color 0.3s;
}

.marquee-track:hover { animation-play-state: paused; }

.marquee-track span:hover { color: var(--text-1); }

.dot-sep {
    color: var(--cyan) !important;
    opacity: 0.4;
    padding: 0 8px !important;
    font-size: 0.5rem !important;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    position: relative;
    width: 104vw;
    left: 50%;
    transform: translateX(-50%);
    max-width: none;
    margin: 60px 0 -20px 0; /* 上方保持空間，下方延伸超出螢幕 */
    padding-bottom: 20px; /* 補償下方溢出 */
    background: rgba(18, 18, 22, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid rgba(255, 255, 255, 0.08); /* 僅留頂部反光邊緣 */
    border-radius: 90px 90px 0 0; /* 巨大的頂部落羽弧線 */
    box-shadow: 0 -10px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 300px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    box-shadow: 0 0 20px var(--cyan-glow);
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 30px 5% 15px; /* Compressed footer padding */
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 30px; /* Compressed gap */
    margin-bottom: 25px; /* Compressed margin */
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: 'Anson', sans-serif;
    font-size: calc(1.6rem / 1.1);
    font-weight: 500;
    letter-spacing: 10px;
    color: var(--text-1);
    margin-bottom: 0.5rem; /* Compressed margin */
}

.footer-logo-img {
    height: 2.8em;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 10px var(--cyan-glow));
}

.footer-logo span {
    color: var(--cyan);
    text-shadow: 0 0 10px var(--cyan);
}

.footer-location {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-2);
    letter-spacing: 3px;
    margin: 0.6rem 0 0.8rem; /* Compressed margin */
    opacity: 0.8;
}

.footer-location .badge-dot {
    width: 5px;
    height: 5px;
    background: var(--magenta);
    box-shadow: 0 0 8px var(--magenta);
}

.footer-tagline {
    font-size: 0.88rem;
    color: var(--text-3);
    line-height: 1.4; /* Compressed line-height */
}

.footer-col-title {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--cyan);
    letter-spacing: 4px;
    margin-bottom: 0.6rem; /* Compressed margin */
    opacity: 0.7;
}

.footer-links-col {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.footer-link {
    font-size: 0.88rem;
    color: var(--text-3);
    padding: 3px 0; /* Compressed padding */
    transition: color 0.3s;
    border-bottom: 1px solid transparent;
}

.footer-link:hover {
    color: var(--text-1);
}

.footer-cta-text {
    font-size: 0.88rem;
    color: var(--text-3);
    margin-bottom: 0.8rem; /* Compressed margin */
    line-height: 1.4; /* Compressed line-height */
}

.footer-cta-col {
    display: flex;
    flex-direction: column;
}

.footer-cta-col .footer-col-title { margin-bottom: 0.8rem; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px; /* Compressed padding */
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 8px; /* Compressed gap */
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-3);
}

.footer-build {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-3);
    letter-spacing: 2px;
    opacity: 0.5;
}

/* ============================================================
   MODAL
   ============================================================ */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 3000;
}

.modal.open {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    cursor: none;
}

.modal-panel {
    position: relative;
    z-index: 1;
    width: min(1100px, 95vw);
    max-height: 90vh;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 80px rgba(0, 0, 0, 0.6), 0 0 1px var(--border-glow);
    animation: modalIn 0.4s var(--ease-bounce);
}

@keyframes modalIn {
    from { transform: scale(0.92) translateY(20px); opacity: 0; }
    to   { transform: scale(1) translateY(0); opacity: 1; }
}

.close-modal {
    position: absolute;
    top: 16px; right: 16px;
    width: 40px; height: 40px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-2);
    cursor: none;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.close-modal svg {
    width: 16px; height: 16px;
}

.close-modal:hover {
    background: var(--magenta-dim);
    border-color: var(--magenta);
    color: var(--text-1);
}

.modal-video-wrap {
    width: 100%;
    background: black;
    position: relative;
    flex: 1;
}

.modal-video-wrap video {
    width: 100%;
    max-height: 60vh;
    display: block;
}

.modal-scan-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px, transparent 3px,
        rgba(0, 243, 255, 0.015) 3px, rgba(0, 243, 255, 0.015) 4px
    );
}

.modal-info {
    padding: 1.6rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    border-top: 1px solid var(--border);
}

.modal-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--cyan);
    letter-spacing: 4px;
    opacity: 0.6;
    display: block;
    margin-bottom: 0.4rem;
}

#modal-title {
    font-size: 1.1rem;
    color: var(--text-1);
    margin-bottom: 0.4rem;
    letter-spacing: 2px;
}

.modal-role {
    font-size: 0.82rem;
    color: var(--text-3);
    font-family: var(--font-mono);
    margin-bottom: 0.6rem;
}

.modal-role span {
    color: var(--cyan);
}

.modal-desc {
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.7;
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
    align-content: flex-start;
    min-width: 200px;
}

.modal-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-3);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: 100px;
    letter-spacing: 1.5px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    h1.large-title { font-size: clamp(2.5rem, 12vw, 5rem); }
    
    .glass-nav { flex-direction: column; height: auto; padding-top: 15px; padding-bottom: 10px; gap: 10px; justify-content: center; }
    #nav-links { gap: 15px; }
    .nav-link { font-size: 0.65rem; padding: 5px 0; letter-spacing: 2px; }
    
    .stat-item { padding: 0 20px; }
    .stat-num { font-size: 1.8rem; }
    
    .project-grid { grid-template-columns: 1fr; }
    
    .skills-grid { grid-template-columns: 1fr; }
    
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
    
    .modal-info { flex-direction: column; }
    .modal-tags { justify-content: flex-start; }

    .hero-btns { gap: 12px; }
    
    .filter-tabs { gap: 6px; }
    .filter-tab { padding: 6px 14px; font-size: 0.65rem; }

    .hero-corner { display: none; }

    .hud-corners { display: none; }
}



/* ============================================================
   GAMES LAB - COMING SOON
   ============================================================ */
.games-vault-wrap {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 40px;
    background: #08080a;
    /* Tech Cut Frame */
    clip-path: polygon(
        20px 0%, calc(100% - 20px) 0%, 100% 20px, 
        100% calc(100% - 20px), calc(100% - 20px) 100%, 
        20px 100%, 0% calc(100% - 20px), 0% 20px
    );
    border: 1px solid rgba(0, 243, 255, 0.1);
    box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.9);
}

.vault-frame-deco {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
}

.vault-frame-deco::before,
.vault-frame-deco::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    border-color: var(--theme-accent);
    border-style: solid;
    opacity: 0.5;
    transition: all 0.5s var(--ease-pro);
}

/* Top-Left Corner */
.vault-frame-deco::before {
    top: 10px; left: 10px;
    border-width: 2px 0 0 2px;
}

/* Bottom-Right Corner */
.vault-frame-deco::after {
    bottom: 10px; right: 10px;
    border-width: 0 2px 2px 0;
}

.purge-mode .vault-frame-deco::before,
.purge-mode .vault-frame-deco::after {
    border-color: var(--danger-red);
    box-shadow: 0 0 15px var(--danger-glow);
    width: 60px; height: 60px;
}

.games-vault-bg {
    position: absolute;
    inset: 0;
    background: url('../images/games_lab_coming_soon.png') center/cover no-repeat;
    opacity: 0.45;
    filter: blur(2px) saturate(0.8);
}

.games-vault-content {
    position: relative;
    z-index: 5;
    max-width: 700px;
    text-align: center;
    padding: 3rem;
}

.vault-status {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--magenta);
    letter-spacing: 5px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.status-blink {
    width: 8px; height: 8px;
    background: var(--magenta);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--magenta);
    animation: logoPulse 1s infinite;
}

.vault-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 950;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    color: var(--text-1);
    line-height: 1;
}

.vault-desc {
    font-size: 1.1rem;
    color: var(--text-2);
    line-height: 1.8;
    margin-bottom: 3rem;
    opacity: 0.8;
}

.system-progress-wrap {
    width: 100%;
    background: rgba(255,255,255,0.05);
    height: 2px;
    position: relative;
    margin-bottom: 1rem;
}

.system-progress-bar {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    background: var(--cyan);
    box-shadow: 0 0 15px var(--cyan);
    width: 38%; /* Fake progress */
    animation: progressSlow 10s ease-in-out infinite alternate;
}

.system-stats {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-3);
    letter-spacing: 2px;
}

@keyframes progressSlow {
    0% { width: 35%; }
    100% { width: 42%; }
}

.vault-cta {
    margin-top: 4rem;
}

/* ============================================================
   GAMES LAB - SENTIENT TERMINAL FUSION
   ============================================================ */
:root {
    --theme-accent: #00f3ff;
    --theme-glow: rgba(0, 243, 255, 0.4);
    --hazard-yellow: #ffd859;
    --danger-red: #ff5357;
    --danger-glow: rgba(255, 83, 87, 0.4);
}

.purge-mode {
    --theme-accent: var(--danger-red);
    --theme-glow: var(--danger-glow);
}

.vault-3d-container {
    position: relative;
    perspective: 2000px;
    padding: 60px;
    transition: transform 0.3s var(--ease-pro);
    z-index: 10;
    transform-style: preserve-3d;
}

/* Decorative OS Sidebar */
.os-sidebar {
    position: fixed;
    left: 0;
    top: 100px;
    bottom: 100px;
    width: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    z-index: 40;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
    pointer-events: auto;
}

.diag-node {
    writing-mode: vertical-lr;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.3);
    text-transform: uppercase;
    cursor: default;
    transition: all 0.3s ease;
}

.diag-node:hover {
    color: var(--theme-accent);
    transform: translateX(3px);
    text-shadow: 0 0 8px var(--theme-glow);
}

/* Digital Dispersion Fragment System */
.dispersion-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 150;
    display: none;
}

.purge-mode .dispersion-overlay { display: block; }

.glitch-slice {
    position: absolute;
    left: 0;
    width: 100%;
    height: 10%;
    background: #08080a;
    border-top: 1px solid var(--theme-accent);
    border-bottom: 1px solid var(--theme-accent);
    opacity: 0;
    transform-origin: center;
}

.slice-1 { top: 0%; }
.slice-2 { top: 10%; }
.slice-3 { top: 20%; }
.slice-4 { top: 30%; }
.slice-5 { top: 40%; }
.slice-6 { top: 50%; }
.slice-7 { top: 60%; }
.slice-8 { top: 70%; }
.slice-9 { top: 80%; }
.slice-10 { top: 90%; }

/* Hazard Elements */
.hazard-background {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.hazard-band {
    position: absolute;
    width: 250vmax;
    height: 80px;
    background: repeating-linear-gradient(
        45deg,
        #000 0,
        #000 20px,
        var(--hazard-yellow) 20px,
        var(--hazard-yellow) 40px
    );
    opacity: 0.05;
    transition: opacity 0.5s ease;
}

.purge-mode .hazard-band {
    opacity: 0.15;
    background: repeating-linear-gradient(
        45deg,
        #000 0,
        #000 20px,
        var(--theme-accent) 20px,
        var(--theme-accent) 40px
    );
}

/* Floating Reset Orb */
.reset-orb {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #0a0a0c;
    border: 2px solid var(--theme-accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--theme-accent);
    box-shadow: 0 0 20px var(--theme-glow);
    cursor: pointer;
    z-index: 200;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.4s var(--ease-pro);
}

.reset-orb.active {
    opacity: 1;
    transform: scale(1);
}

.reset-orb:hover {
    transform: scale(1.1);
    box-shadow: 0 0 40px var(--theme-glow);
    background: var(--theme-accent);
    color: #000;
}

/* Progress Bar Overrides */
.system-progress-bar {
    height: 100%;
    background: var(--theme-accent);
    width: 38.2%;
    box-shadow: 0 0 20px var(--theme-glow);
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.status-blink {
    background: var(--theme-accent);
    box-shadow: 0 0 10px var(--theme-accent);
}

.btn-denied {
    border-color: var(--theme-accent);
    color: var(--theme-accent);
}

.purge-mode .btn-denied {
    background: var(--theme-accent);
    color: #fff;
    border: none;
}

.status-blink {
    background: var(--danger-red);
    box-shadow: 0 0 10px var(--danger-red);
}

.vault-actions .btn-denied {
    border-color: var(--danger-red);
    color: var(--danger-red);
    box-shadow: 0 0 20px rgba(255, 0, 51, 0.1);
}

.vault-actions .btn-denied:hover {
    background: var(--danger-red);
    color: #fff;
    box-shadow: 0 0 40px rgba(255, 0, 51, 0.4);
}

.security-tape span {
    display: inline-block;
    padding-left: 100%;
    animation: tapeScroll 35s linear infinite;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

@keyframes tapeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* Tape 3D Out-of-Box Positions */
.tape-h-1 {
    top: 50%; left: 50%;
    transform: translate(-50%, -150%) rotate(-12deg);
}

.tape-h-2 {
    top: 50%; left: 50%;
    transform: translate(-50%, 50%) rotate(12deg);
}

.tape-v-1 {
    top: 50%; left: 50%;
    /* Positioned at the edge of the screen viewport for 3D depth */
    transform: translate(-550px, -50%) rotate(90deg);
}

/* Data Purged Label */
.purged-label {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--magenta);
    text-shadow: 0 0 30px var(--magenta);
    letter-spacing: 20px;
    opacity: 0;
    z-index: 20;
    pointer-events: none;
    transition: opacity 1s;
    filter: blur(20px);
}

.vault-purged .purged-label {
    opacity: 1;
    filter: blur(0px);
    animation: labelGlitch 0.2s infinite;
}

@keyframes labelGlitch {
    0% { transform: translate(-50%, -50%) skew(2deg); opacity: 0.8; }
    50% { transform: translate(-51%, -49%) skew(-2deg); opacity: 1; }
    100% { transform: translate(-50%, -50%) skew(0); opacity: 0.9; }
}

/* Scramble State Classes */
.scrambled {
    font-family: var(--font-mono) !important;
    letter-spacing: 1px !important;
    opacity: 0.7;
}

.glitch-shake {
    animation: glitchShake 0.4s ease infinite;
}

@keyframes glitchShake {
    0% { transform: translate(0); }
    20% { transform: translate(-5px, 5px); }
    40% { transform: translate(-5px, -5px); }
    60% { transform: translate(5px, 5px); }
    80% { transform: translate(5px, -5px); }
    100% { transform: translate(0); }
}

/* Restore Reset Button positions */
.reset-vault-btn {
    position: fixed;
    bottom: 40px; right: 40px;
    width: 60px; height: 60px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10005;
    backdrop-filter: blur(15px);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: scale(0.8) translateY(20px);
    pointer-events: none;
}

.reset-vault-btn.active {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: all;
}

.purged-label {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: rgba(255, 0, 68, 0.6);
    letter-spacing: 20px;
    z-index: 1;
    display: none;
    text-align: center;
    pointer-events: none;
    text-shadow: 0 0 15px rgba(255, 0, 68, 0.8);
}

.vault-purged .purged-label {
    display: block;
    animation: glitchStatic 0.3s infinite;
}

@keyframes glitchStatic {
    0% { transform: translate(-50%, -50%) skew(2deg); opacity: 0.8; }
    50% { transform: translate(-51%, -49%) skew(-2deg); opacity: 0.4; }
    100% { transform: translate(-49%, -51%) skew(0deg); opacity: 0.8; }
}

@media (max-width: 480px) {
    .hero-stats { gap: 0; }
    .stat-item { padding: 0 12px; }
    .stat-num { font-size: 1.5rem; }
    .hero-subtitle { font-size: 0.9rem; }
}