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

/* ===== Light Theme (default) ===== */
:root {
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-soft: rgba(99,102,241,0.10);
    --accent-glow: rgba(99,102,241,0.25);
    --pink: #ec4899;
    --pink-soft: rgba(236,72,153,0.10);
    --teal: #14b8a6;
    --teal-soft: rgba(20,184,166,0.10);
    --bg: #f8f9ff;
    --bg-hero: linear-gradient(135deg, #eef2ff 0%, #fdf2f8 50%, #f0fdfa 100%);
    --bg-card: #ffffff;
    --bg-nav: rgba(248,249,255,0.75);
    --bg-nav-scroll: rgba(248,249,255,0.95);
    --text: #1e1b4b;
    --text-dim: #6b7094;
    --border: rgba(99,102,241,0.12);
    --border-hover: rgba(99,102,241,0.30);
    --shadow-sm: 0 2px 12px rgba(99,102,241,0.08);
    --shadow-md: 0 8px 30px rgba(99,102,241,0.10);
    --shadow-lg: 0 16px 50px rgba(99,102,241,0.12);
    --grid-color: rgba(99,102,241,0.04);
    --corner-color: rgba(99,102,241,0.15);
    --ring1-color: rgba(99,102,241,0.08);
    --ring2-color: rgba(236,72,153,0.06);
    --ring3-color: rgba(20,184,166,0.08);
    --title-gradient: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #14b8a6 100%);
    --cta-bg: linear-gradient(135deg, #6366f1, #818cf8);
    --cta-color: #fff;
    --cta-shadow: 0 4px 20px rgba(99,102,241,0.25);
    --cta-hover-shadow: 0 8px 30px rgba(99,102,241,0.30);
    --scan-display: none;
    --vignette-display: none;
    --glitch-display: none;
    --card-radius: 16px;
    --card-radius-sm: 10px;
    --card-corner-display: none;
    --cta-radius: 50px;
    --cta-border: none;
    --section-alt-bg: linear-gradient(180deg, #fff 0%, #f8f9ff 100%);
    --nebula1: rgba(99,102,241,0.06);
    --nebula2: rgba(236,72,153,0.05);
    --nebula3: rgba(20,184,166,0.04);
    --font-display: 'Orbitron', monospace;
    --font-ui: 'Rajdhani', 'Noto Sans SC', sans-serif;
    --font-body: 'Noto Sans SC', sans-serif;
}

/* ===== Dark Theme ===== */
[data-theme="dark"] {
    --accent: #00f0ff;
    --accent-light: #40f5ff;
    --accent-soft: rgba(0,240,255,0.06);
    --accent-glow: rgba(0,240,255,0.25);
    --pink: #ff2d95;
    --pink-soft: rgba(255,45,149,0.06);
    --teal: #00f0ff;
    --teal-soft: rgba(0,240,255,0.06);
    --bg: #000509;
    --bg-hero: linear-gradient(135deg, #000509 0%, #020a18 50%, #000509 100%);
    --bg-card: rgba(2,10,20,0.88);
    --bg-nav: rgba(0,5,9,0.7);
    --bg-nav-scroll: rgba(0,5,9,0.95);
    --text: #ffffff;
    --text-dim: #b0c4de;
    --border: rgba(0,240,255,0.10);
    --border-hover: rgba(0,240,255,0.35);
    --shadow-sm: 0 0 20px rgba(0,240,255,0.05);
    --shadow-md: 0 0 30px rgba(0,240,255,0.08);
    --shadow-lg: 0 0 40px rgba(0,240,255,0.10);
    --grid-color: rgba(0,240,255,0.03);
    --corner-color: rgba(0,240,255,0.15);
    --ring1-color: rgba(0,240,255,0.06);
    --ring2-color: rgba(168,85,247,0.04);
    --ring3-color: rgba(0,240,255,0.08);
    --title-gradient: linear-gradient(135deg, #00f0ff 0%, #a855f7 50%, #00f0ff 100%);
    --cta-bg: transparent;
    --cta-color: #00f0ff;
    --cta-shadow: none;
    --cta-hover-shadow: 0 0 30px rgba(0,240,255,0.2);
    --scan-display: block;
    --vignette-display: block;
    --glitch-display: block;
    --card-radius: 0px;
    --card-radius-sm: 0px;
    --card-corner-display: block;
    --cta-radius: 0px;
    --cta-border: 1px solid rgba(0,240,255,0.4);
    --section-alt-bg: transparent;
    --nebula1: rgba(0,100,180,0.08);
    --nebula2: rgba(120,40,200,0.06);
    --nebula3: rgba(0,200,180,0.04);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    transition: background 0.5s, color 0.5s;
}

::selection {
    background: var(--accent-glow);
    color: var(--text);
}

a { color: var(--accent); text-decoration: none; }

/* ===== Background Layers ===== */
#cosmos {
    position: fixed; inset: 0;
    z-index: 0; pointer-events: none;
}

.nebula-layer {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background:
        radial-gradient(ellipse 800px 600px at 15% 20%, var(--nebula1) 0%, transparent 70%),
        radial-gradient(ellipse 600px 500px at 85% 60%, var(--nebula2) 0%, transparent 70%),
        radial-gradient(ellipse 500px 400px at 50% 85%, var(--nebula3) 0%, transparent 70%);
    transition: background 0.5s;
}

.scan-lines {
    position: fixed; inset: 0; z-index: 1; pointer-events: none;
    display: var(--scan-display);
    background: repeating-linear-gradient(
        0deg, transparent, transparent 2px,
        rgba(0,240,255,0.008) 2px, rgba(0,240,255,0.008) 4px
    );
}

.vignette {
    position: fixed; inset: 0; z-index: 1; pointer-events: none;
    display: var(--vignette-display);
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.6) 100%);
}

/* ===== Navigation ===== */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.8rem 2.5rem;
    background: var(--bg-nav);
    backdrop-filter: blur(25px) saturate(1.4);
    border-bottom: 1px solid var(--border);
    transition: all 0.4s;
}

.nav.scrolled {
    background: var(--bg-nav-scroll);
    box-shadow: var(--shadow-sm);
}

.nav-logo {
    display: flex; align-items: center; gap: 0.7rem;
}

.logo-hex { color: var(--accent); display: flex; animation: pulse-slow 4s ease-in-out infinite; }

.logo-text {
    font-family: var(--font-display);
    font-weight: 700; font-size: 1rem;
    letter-spacing: 0.2em; color: var(--text);
    transition: color 0.4s;
}

.logo-accent { color: var(--accent); transition: color 0.4s; }

.nav-links { display: flex; gap: 2rem; align-items: center; }

.nav-links a {
    font-family: var(--font-ui);
    font-weight: 500; font-size: 1rem;
    color: var(--text-dim);
    letter-spacing: 0.08em;
    position: relative;
    transition: color 0.3s;
}

.nav-links a::after {
    content: '';
    position: absolute; bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    border-radius: 1px;
    transition: width 0.3s;
}

.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }

/* Theme Toggle Button */
.theme-toggle {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.4rem 1rem;
    background: var(--accent-soft);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--accent);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 0.05em;
    margin-left: 0.5rem;
}

.theme-toggle:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    transform: scale(1.05);
}

.toggle-icon {
    font-size: 1rem;
    line-height: 1;
    transition: opacity 0.3s, transform 0.3s;
}

/* Light theme: show sun, hide moon */
.dark-icon { display: none; }
.light-icon { display: inline; }

[data-theme="dark"] .dark-icon { display: inline; }
[data-theme="dark"] .light-icon { display: none; }

/* ===== Hero ===== */
.hero {
    position: relative; z-index: 2;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    text-align: center;
    padding: 6rem 2rem 4rem;
    overflow: hidden;
    background: var(--bg-hero);
    transition: background 0.5s;
}

.hero-grid-bg {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    animation: grid-drift 20s linear infinite;
}

@keyframes grid-drift {
    from { transform: translate(0, 0); }
    to { transform: translate(80px, 80px); }
}

.hero-content { position: relative; z-index: 5; }

/* Badge */
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.8rem;
    margin-bottom: 2.5rem;
    animation: fade-in-up 0.8s ease-out;
}

.badge-dot {
    width: 7px; height: 7px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse-slow 2s ease-in-out infinite;
}

.badge-text {
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.35em;
    color: var(--accent);
    opacity: 0.8;
}

/* Title */
.glitch-wrapper {
    margin-bottom: 2rem;
    animation: fade-in-up 0.8s ease-out 0.15s both;
}

.glitch {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 9vw, 8rem);
    font-weight: 900;
    line-height: 1.05;
    position: relative;
    display: inline-block;
    background: var(--title-gradient);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 6s ease-in-out infinite;
    transition: filter 0.5s;
}

/* Dark theme: white text + cyan glow (original style) */
[data-theme="dark"] .glitch {
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: #fff;
    background-clip: unset;
    color: #fff;
    text-shadow:
        0 0 20px rgba(0,240,255,0.5),
        0 0 60px rgba(0,240,255,0.2),
        0 0 120px rgba(0,240,255,0.1);
    animation: none;
}

/* Glitch pseudo-elements: only in dark */
.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute; inset: 0;
    overflow: hidden;
    display: var(--glitch-display);
    -webkit-background-clip: text;
    background-clip: text;
}

.glitch::before {
    -webkit-text-fill-color: rgba(0,240,255,0.7);
    z-index: -1;
    animation: glitch-1 4s infinite linear alternate-reverse;
}

.glitch::after {
    -webkit-text-fill-color: rgba(255,45,149,0.5);
    z-index: -2;
    animation: glitch-2 4s infinite linear alternate-reverse;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes glitch-1 {
    0%, 93%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    94% { clip-path: inset(20% 0 40% 0); transform: translate(-4px, 2px); }
    96% { clip-path: inset(60% 0 10% 0); transform: translate(4px, -1px); }
    98% { clip-path: inset(40% 0 30% 0); transform: translate(-2px, 1px); }
}

@keyframes glitch-2 {
    0%, 93%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    95% { clip-path: inset(50% 0 20% 0); transform: translate(3px, -2px); }
    97% { clip-path: inset(10% 0 60% 0); transform: translate(-3px, 1px); }
    99% { clip-path: inset(30% 0 40% 0); transform: translate(2px, -1px); }
}

/* Tagline */
.hero-tagline-wrapper {
    display: flex; align-items: center; justify-content: center;
    gap: 1.2rem;
    margin-bottom: 1.2rem;
    animation: fade-in-up 0.8s ease-out 0.3s both;
}

.tagline-line {
    width: 60px; height: 2px;
    border-radius: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-light));
}

.tagline-line.right {
    background: linear-gradient(90deg, var(--accent-light), transparent);
}

.hero-tagline {
    font-family: var(--font-ui);
    font-size: clamp(1.3rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.25em;
    transition: color 0.4s;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 2.5rem;
    animation: fade-in-up 0.8s ease-out 0.45s both;
    transition: color 0.4s;
}

/* Stats */
.hero-stats {
    display: flex; align-items: center; justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    animation: fade-in-up 0.8s ease-out 0.6s both;
}

.stat {
    text-align: center;
    background: var(--bg-card);
    padding: 1rem 1.5rem;
    border-radius: var(--card-radius-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.4s;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.8rem; font-weight: 700;
    color: var(--accent);
    transition: color 0.4s;
}

.stat-unit {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--accent);
    opacity: 0.7;
}

.stat-label {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--text-dim);
    letter-spacing: 0.15em;
    margin-top: 0.3rem;
    transition: color 0.4s;
}

.stat-divider {
    width: 1px; height: 40px;
    background: linear-gradient(180deg, transparent, var(--border-hover), transparent);
}

/* CTA */
.cta-btn {
    display: inline-flex; align-items: center; gap: 0.8rem;
    padding: 1rem 2.5rem;
    background: var(--cta-bg);
    border: var(--cta-border);
    color: var(--cta-color);
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.25em;
    border-radius: var(--cta-radius);
    position: relative;
    overflow: hidden;
    transition: all 0.4s;
    animation: fade-in-up 0.8s ease-out 0.75s both;
    box-shadow: var(--cta-shadow);
}

.cta-btn:hover {
    color: var(--cta-color);
    transform: translateY(-3px);
    box-shadow: var(--cta-hover-shadow);
}

.cta-arrow {
    display: flex;
    animation: float-arrow 2s ease-in-out infinite;
}

@keyframes float-arrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

/* Holographic Rings */
.holo-ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid;
    pointer-events: none;
    transition: border-color 0.5s;
}

.ring-1 {
    width: 500px; height: 500px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotateX(75deg);
    border-color: var(--ring1-color);
    animation: ring-rotate 20s linear infinite;
}

.ring-2 {
    width: 650px; height: 650px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotateX(75deg);
    border-color: var(--ring2-color);
    animation: ring-rotate 30s linear infinite reverse;
}

.ring-3 {
    width: 350px; height: 350px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotateX(75deg);
    border-color: var(--ring3-color);
    animation: ring-rotate 15s linear infinite;
}

@keyframes ring-rotate {
    from { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(0); }
    to { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(360deg); }
}

/* Corner Decorations */
.corner-decor {
    position: absolute;
    width: 60px; height: 60px;
    pointer-events: none;
    z-index: 3;
}

.corner-decor::before, .corner-decor::after {
    content: '';
    position: absolute;
    background: var(--corner-color);
    border-radius: 1px;
    transition: background 0.4s;
}

.corner-decor.top-left { top: 2rem; left: 2rem; }
.corner-decor.top-left::before { top: 0; left: 0; width: 30px; height: 2px; }
.corner-decor.top-left::after { top: 0; left: 0; width: 2px; height: 30px; }

.corner-decor.top-right { top: 2rem; right: 2rem; }
.corner-decor.top-right::before { top: 0; right: 0; width: 30px; height: 2px; }
.corner-decor.top-right::after { top: 0; right: 0; width: 2px; height: 30px; }

.corner-decor.bottom-left { bottom: 2rem; left: 2rem; }
.corner-decor.bottom-left::before { bottom: 0; left: 0; width: 30px; height: 2px; }
.corner-decor.bottom-left::after { bottom: 0; left: 0; width: 2px; height: 30px; }

.corner-decor.bottom-right { bottom: 2rem; right: 2rem; }
.corner-decor.bottom-right::before { bottom: 0; right: 0; width: 30px; height: 2px; }
.corner-decor.bottom-right::after { bottom: 0; right: 0; width: 2px; height: 30px; }

/* ===== Sections Common ===== */
.section {
    position: relative; z-index: 2;
    padding: 8rem 2rem;
    transition: background 0.5s;
}

.about { background: var(--bg); }
.vision { background: var(--section-alt-bg); }
.contact { background: var(--bg); }

.container { max-width: 1100px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 4rem; }

.section-tag {
    font-family: var(--font-display);
    font-size: 0.68rem;
    letter-spacing: 0.3em;
    color: var(--accent-light);
    display: block;
    margin-bottom: 0.8rem;
    transition: color 0.4s;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.08em;
    transition: color 0.4s;
}

.title-highlight { color: var(--accent); transition: color 0.4s; }

.section-line {
    width: 80px; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    margin: 1rem auto 0;
    position: relative;
    border-radius: 1px;
}

.line-dot {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    transition: background 0.4s;
}

/* ===== About Cards ===== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.4s;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.about-card::before {
    content: attr(data-index);
    position: absolute;
    top: -10px; right: 10px;
    font-family: var(--font-display);
    font-size: 5rem; font-weight: 900;
    color: var(--accent-soft);
    line-height: 1;
    pointer-events: none;
}

.about-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* Card corners (dark theme only) */
.card-corner {
    position: absolute;
    width: 10px; height: 10px;
    display: var(--card-corner-display);
    transition: all 0.5s;
}

.card-corner::before, .card-corner::after {
    content: '';
    position: absolute;
    background: var(--accent);
    opacity: 0.4;
    transition: opacity 0.5s;
}

.card-corner.tl { top: -1px; left: -1px; }
.card-corner.tl::before { top: 0; left: 0; width: 10px; height: 1px; }
.card-corner.tl::after { top: 0; left: 0; width: 1px; height: 10px; }

.card-corner.tr { top: -1px; right: -1px; }
.card-corner.tr::before { top: 0; right: 0; width: 10px; height: 1px; }
.card-corner.tr::after { top: 0; right: 0; width: 1px; height: 10px; }

.card-corner.bl { bottom: -1px; left: -1px; }
.card-corner.bl::before { bottom: 0; left: 0; width: 10px; height: 1px; }
.card-corner.bl::after { bottom: 0; left: 0; width: 1px; height: 10px; }

.card-corner.br { bottom: -1px; right: -1px; }
.card-corner.br::before { bottom: 0; right: 0; width: 10px; height: 1px; }
.card-corner.br::after { bottom: 0; right: 0; width: 1px; height: 10px; }

.about-card:hover .card-corner::before,
.about-card:hover .card-corner::after {
    opacity: 1;
}

.card-icon-wrap { margin-bottom: 1.5rem; }

.hex-icon {
    display: inline-flex;
    color: var(--accent);
    transition: color 0.4s;
}

.about-card h3 {
    font-family: var(--font-ui);
    font-size: 1.4rem; font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--text);
    letter-spacing: 0.05em;
    transition: color 0.4s;
}

.about-card p {
    color: var(--text-dim);
    font-size: 1.05rem;
    line-height: 1.8;
    transition: color 0.4s;
}

/* ===== Vision ===== */
.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.vision-item {
    display: flex; gap: 1.5rem;
    margin-bottom: 2.5rem;
    align-items: flex-start;
    padding: 1.2rem 1.5rem;
    border-radius: var(--card-radius-sm);
    transition: background 0.3s;
}

.vision-item:hover {
    background: var(--accent-soft);
}

.vision-marker {
    display: flex; flex-direction: column;
    align-items: center; gap: 0;
    padding-top: 0.3rem;
    flex-shrink: 0;
}

.marker-dot {
    width: 10px; height: 10px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    background: transparent;
    transition: all 0.3s;
}

.marker-line {
    width: 2px; height: 0;
    background: linear-gradient(180deg, var(--accent-light), transparent);
    order: 1;
    margin-top: 6px;
    transition: height 0.5s;
    border-radius: 1px;
}

.vision-item:hover .marker-dot {
    background: var(--accent);
}

.vision-item:hover .marker-line { height: 40px; }

.vision-num {
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--accent);
    opacity: 0.6;
    letter-spacing: 0.1em;
}

.vision-item h3 {
    font-family: var(--font-ui);
    font-size: 1.3rem; font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
    transition: color 0.4s;
}

.vision-item p {
    color: var(--text-dim);
    font-size: 1.05rem;
    transition: color 0.4s;
}

.vision-graphic {
    display: flex; justify-content: center; align-items: center;
    position: relative;
}

#brainCanvas {
    width: 100%; height: 380px;
}

/* ===== Contact ===== */
.contact { text-align: center; }

.contact-desc {
    color: var(--text-dim);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 3rem;
    line-height: 2;
    transition: color 0.4s;
}

.contact-grid {
    display: flex; justify-content: center;
    gap: 2rem; flex-wrap: wrap;
}

.contact-item {
    display: flex; flex-direction: column; gap: 0.3rem;
    padding: 1.8rem 2.2rem;
    border: 1px solid var(--border);
    background: var(--bg-card);
    border-radius: var(--card-radius-sm);
    min-width: 220px;
    text-align: left;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.contact-item::before {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 3px; height: 0;
    background: var(--accent);
    border-radius: 0 0 1px 1px;
    transition: height 0.4s;
}

.contact-item:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.contact-item:hover::before { height: 100%; }

.contact-icon {
    color: var(--accent); font-size: 0.7rem;
    margin-bottom: 0.3rem;
}

.contact-label {
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    color: var(--accent);
    opacity: 0.7;
    transition: color 0.4s;
}

.contact-value {
    color: var(--text-dim);
    font-size: 1.05rem;
    transition: color 0.4s;
}

/* ===== Footer ===== */
.footer {
    position: relative; z-index: 2;
    border-top: 1px solid var(--border);
    padding: 1.8rem 2rem;
    background: var(--bg);
    transition: background 0.5s;
}

.footer-content {
    display: flex; justify-content: space-between;
    align-items: center; flex-wrap: wrap; gap: 1rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--accent-light);
    letter-spacing: 0.15em;
    transition: color 0.4s;
}

.footer-copy {
    color: var(--text-dim);
    font-size: 0.75rem;
    transition: color 0.4s;
}

.footer-icp {
    color: var(--text-dim);
    font-size: 0.75rem;
    text-decoration: none;
    transition: color 0.4s;
}

.footer-icp:hover {
    color: var(--accent-light);
}

/* ===== Animations ===== */
@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(25px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-slow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav { padding: 0.7rem 1.2rem; }
    .nav-links { gap: 1rem; }
    .nav-links a { font-size: 0.85rem; }

    .hero-stats { gap: 1rem; flex-wrap: wrap; }
    .stat-value { font-size: 1.4rem; }

    .vision-content { grid-template-columns: 1fr; gap: 2rem; }
    .vision-graphic { order: -1; }

    .contact-grid { flex-direction: column; align-items: center; }
    .footer-content { flex-direction: column; text-align: center; }
    .section { padding: 5rem 1.5rem; }
    .holo-ring { display: none; }
    .toggle-label { display: none; }
}

@media (max-width: 480px) {
    .nav-links a { display: none; }
    .theme-toggle { display: inline-flex; }
    .corner-decor { display: none; }
}