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

:root {
    --bg: #06060a;
    --bg-alt: #0c0c12;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-solid: #12121a;
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --text: #eaeaf0;
    --text-dim: #6e6e80;
    --text-mid: #9e9eb0;
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.12);
    --accent-glow-strong: rgba(99, 102, 241, 0.25);
    --green: #34d399;
    --green-glow: rgba(52, 211, 153, 0.15);
    --red: #f87171;
    --red-glow: rgba(248, 113, 113, 0.15);
    --warm: #f59e0b;
    --warm-light: #fbbf24;
    --warm-glow: rgba(245, 158, 11, 0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --max-w: 1100px;
    --nav-h: 72px;
}

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--accent-light); text-decoration: none; }
a:hover { color: #a5b4fc; }
ul { list-style: none; }
img { max-width: 100%; }

/* === Scroll Progress === */
.scroll-progress {
    position: fixed; top: 0; left: 0; height: 2px; z-index: 200;
    background: linear-gradient(90deg, var(--accent), #a78bfa, var(--accent-light));
    width: 0%; transition: width 0.1s linear;
}

/* === Cursor Glow === */
.cursor-glow {
    position: fixed; width: 600px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
    pointer-events: none; z-index: 0;
    transform: translate(-50%, -50%);
    transition: left 0.3s ease, top 0.3s ease;
    display: none;
}
@media (hover: hover) {
    .cursor-glow { display: block; }
}

/* === Gradient Text === */
.gradient-text {
    background: linear-gradient(135deg, #818cf8, #a78bfa, #c084fc);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.gradient-text-warm {
    background: linear-gradient(135deg, #f59e0b, #f97316, #ef4444);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* === Nav === */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(6, 6, 10, 0.8);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border);
    height: var(--nav-h);
}
.nav-container {
    max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    height: 100%;
}
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    color: var(--text); text-decoration: none;
}
.logo-mark {
    width: 38px; height: 34px; border-radius: 9px;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; font-weight: 800; color: #fff;
}
.logo-text { font-size: 19px; font-weight: 700; letter-spacing: -0.5px; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
    color: var(--text-dim); font-size: 14.5px; font-weight: 500;
    padding: 8px 14px; border-radius: var(--radius-xs);
    transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-links a.active { color: var(--text); }

/* Language toggle */
.lang-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 8px;
    background: rgba(255,255,255,0.06); border: 1px solid var(--border);
    cursor: pointer; transition: all 0.2s; margin-left: 4px;
}
.lang-toggle:hover { background: rgba(255,255,255,0.1); border-color: var(--border-hover); }
.lang-label {
    font-size: 12px; font-weight: 700; color: var(--text-mid);
    letter-spacing: 0.5px;
}

.nav-cta {
    background: var(--accent) !important; color: #fff !important;
    padding: 9px 20px !important; border-radius: var(--radius-sm) !important;
    font-size: 14.5px !important; font-weight: 600 !important;
    transition: all 0.2s !important;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    margin-left: 4px;
}
.nav-cta:hover { background: var(--accent-light) !important; box-shadow: 0 0 30px rgba(99, 102, 241, 0.5); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 10px; }
.nav-toggle span {
    display: block; width: 24px; height: 2px; background: var(--text);
    margin: 6px 0; transition: 0.3s; border-radius: 1px;
}

/* === Pages === */
.page { display: none; min-height: 100vh; padding-top: var(--nav-h); }
.page.active { display: block; animation: pageFadeIn 0.4s ease; }
@keyframes pageFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === Hero === */
.hero {
    position: relative;
    max-width: var(--max-w); margin: 0 auto; padding: 100px 24px 80px;
}
.hero-canvas {
    position: absolute; top: 0; right: 0; width: 55%; height: 100%;
    opacity: 0.7; pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 650px; }
.hero-tag {
    display: inline-block; padding: 6px 14px; border-radius: 20px;
    font-size: 12px; font-weight: 600; text-transform: uppercase;
    letter-spacing: 1.5px; color: var(--accent-light);
    background: var(--accent-glow); border: 1px solid rgba(99, 102, 241, 0.2);
    margin-bottom: 24px;
}
.tag-young {
    color: var(--warm-light); background: var(--warm-glow);
    border-color: rgba(245, 158, 11, 0.2);
}
.hero h1 {
    font-size: 48px; font-weight: 800; line-height: 1.12;
    letter-spacing: -1.5px; margin-bottom: 20px;
}
.hero-sub {
    font-size: 17px; color: var(--text-dim); margin-bottom: 36px;
    line-height: 1.7; max-width: 520px;
}
.hero-actions { display: flex; align-items: center; gap: 16px; }

/* === Buttons === */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600; cursor: pointer;
    transition: all 0.25s ease; border: none; text-decoration: none;
}
.btn svg { width: 16px; height: 16px; transition: transform 0.25s; }
.btn:hover svg { transform: translateX(3px); }
.btn-primary {
    background: var(--accent); color: #fff;
}
.btn-primary:hover { background: var(--accent-light); color: #fff; transform: translateY(-1px); }
.btn-glow { box-shadow: 0 0 24px rgba(99, 102, 241, 0.35), 0 4px 12px rgba(0,0,0,0.3); }
.btn-glow:hover { box-shadow: 0 0 40px rgba(99, 102, 241, 0.5), 0 8px 20px rgba(0,0,0,0.3); }
.btn-ghost {
    background: transparent; color: var(--text-mid);
    border: 1px solid var(--border-hover); padding: 11px 24px;
}
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.03); border-color: rgba(255,255,255,0.2); }
.btn-outline {
    background: transparent; color: var(--accent-light);
    border: 1px solid rgba(99, 102, 241, 0.3); padding: 11px 24px;
}
.btn-outline:hover { background: var(--accent-glow); border-color: var(--accent); }
.btn-outline-career {
    background: transparent; color: var(--green);
    border: 1px solid rgba(52, 211, 153, 0.3); padding: 11px 24px;
    border-radius: var(--radius-sm); font-size: 14px; font-weight: 600;
    cursor: pointer; transition: all 0.25s; text-decoration: none;
    display: inline-flex; align-self: flex-start; margin-top: auto;
}
.btn-outline-career:hover { background: var(--green-glow); border-color: var(--green); color: var(--green); }
.btn-outline-founder {
    background: transparent; color: var(--red);
    border: 1px solid rgba(248, 113, 113, 0.3); padding: 11px 24px;
    border-radius: var(--radius-sm); font-size: 14px; font-weight: 600;
    cursor: pointer; transition: all 0.25s; text-decoration: none;
    display: inline-flex; align-self: flex-start; margin-top: auto;
}
.btn-outline-founder:hover { background: var(--red-glow); border-color: var(--red); color: var(--red); }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-xl { padding: 18px 40px; font-size: 17px; border-radius: 14px; }

/* === Sections === */
.section {
    max-width: var(--max-w); margin: 0 auto; padding: 72px 24px;
}
.section-header { margin-bottom: 40px; }
.section-tag {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    font-size: 11px; font-weight: 600; text-transform: uppercase;
    letter-spacing: 1.5px; color: var(--accent-light);
    background: var(--accent-glow); margin-bottom: 12px;
}
.section h2 {
    font-size: 32px; font-weight: 700; letter-spacing: -0.5px;
}
.section-desc { color: var(--text-dim); font-size: 16px; margin-top: 8px; }
.section-alt {
    background: var(--bg-alt); max-width: 100%; padding: 72px 24px;
}
.section-inner { max-width: var(--max-w); margin: 0 auto; }

/* === Glass Cards === */
.card-grid { display: grid; gap: 16px; }
.grid-2x2 { grid-template-columns: 1fr 1fr; }
.grid-2x3 { grid-template-columns: 1fr 1fr; }

.glass-card {
    position: relative; overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius); padding: 28px;
    transition: border-color 0.3s, transform 0.3s;
}
.glass-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}
.card-glow {
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-light), transparent);
    opacity: 0; transition: opacity 0.3s;
}
.glass-card:hover .card-glow { opacity: 0.6; }

.card-icon-wrap {
    width: 44px; height: 44px; margin-bottom: 16px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px; background: var(--accent-glow);
    color: var(--accent-light);
}
.card-icon-wrap svg { width: 22px; height: 22px; }
.glass-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.glass-card p { color: var(--text-dim); font-size: 14px; line-height: 1.6; }
.card-outline { background: transparent; }

/* Service cards */
.card-service { padding: 32px; }
.service-num {
    font-size: 36px; font-weight: 800; line-height: 1;
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(167,139,250,0.1));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; margin-bottom: 16px;
}

/* === Process Flow === */
.process-flow {
    display: flex; align-items: center; justify-content: center;
    gap: 0; padding: 24px 0;
}
.process-step { text-align: center; flex: 0 0 auto; }
.step-ring {
    width: 72px; height: 72px; border-radius: 50%;
    border: 2px solid var(--accent); margin: 0 auto 12px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(99, 102, 241, 0.06);
    transition: all 0.3s;
}
.process-step:hover .step-ring {
    background: rgba(99, 102, 241, 0.15);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
    transform: scale(1.05);
}
.step-num { font-size: 22px; font-weight: 700; color: var(--accent-light); }
.process-step h3 { font-size: 14px; font-weight: 600; color: var(--text-mid); }
.process-connector {
    flex: 1; max-width: 80px; height: 2px; position: relative;
    display: flex; align-items: center;
}
.connector-line {
    width: 100%; height: 1px;
    background: linear-gradient(90deg, var(--accent), rgba(99,102,241,0.2));
}
.process-tagline {
    text-align: center; color: var(--text-dim); font-size: 15px;
    margin-top: 32px; font-style: italic; letter-spacing: 0.5px;
}

/* === Why Grid === */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.why-item {
    display: flex; align-items: center; gap: 14px;
    padding: 18px 20px; background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm); border: 1px solid var(--border);
    transition: all 0.3s;
}
.why-item:hover { border-color: var(--border-hover); background: rgba(255,255,255,0.04); }
.why-check {
    width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
    background: var(--green-glow); border: 1px solid rgba(52, 211, 153, 0.3);
    display: flex; align-items: center; justify-content: center;
}
.why-check svg { width: 14px; height: 14px; color: var(--green); }
.why-item span { font-size: 14px; font-weight: 500; color: var(--text); }

/* === Diff List === */
.diff-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.diff-item {
    display: flex; align-items: center; gap: 16px;
    padding: 20px 24px; background: rgba(255,255,255,0.02);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-weight: 500; font-size: 14px; transition: all 0.3s;
}
.diff-item:hover { border-color: var(--accent); background: var(--accent-glow); }
.diff-num {
    font-size: 13px; font-weight: 700; color: var(--accent-light);
    background: var(--accent-glow); padding: 4px 10px;
    border-radius: var(--radius-xs); flex-shrink: 0;
}

/* === Quote === */
.quote-line {
    text-align: center; font-size: 20px; font-weight: 600;
    margin-top: 40px; color: var(--text);
}

/* === CTA Section === */
.section-cta {
    position: relative; text-align: center; padding: 100px 24px;
    max-width: 100%; overflow: hidden;
}
.cta-bg {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
}
.cta-bg-warm {
    background: radial-gradient(ellipse at center, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
}
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-size: 36px; font-weight: 700; margin-bottom: 12px; }
.cta-sub { color: var(--text-dim); font-size: 16px; margin-bottom: 32px; }

/* === Page Header === */
.page-header {
    max-width: var(--max-w); margin: 0 auto; padding: 60px 24px 24px;
}
.page-header h1 {
    font-size: 42px; font-weight: 800; letter-spacing: -1.5px;
    margin-top: 8px;
}
.page-desc { color: var(--text-dim); font-size: 16px; margin-top: 8px; }

/* === Timeline === */
.timeline { position: relative; padding-left: 72px; max-width: 700px; }
.timeline::before {
    content: ''; position: absolute; left: 28px; top: 0; bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent), var(--border), transparent);
}
.timeline-item { position: relative; margin-bottom: 56px; }
.timeline-marker {
    position: absolute; left: -72px; top: 0;
    width: 56px; height: 56px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}
.timeline-marker span { font-size: 18px; font-weight: 700; color: #fff; }
.timeline-content h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.timeline-content p { color: var(--text-dim); font-size: 15px; line-height: 1.7; }

/* === Network Viz === */
.network-viz {
    position: relative; width: 100%; height: 420px;
    margin: 0 auto; max-width: 700px;
}
.network-canvas {
    position: absolute; inset: 0; width: 100%; height: 100%;
}
.network-nodes {
    position: absolute; inset: 0; display: flex;
    align-items: center; justify-content: center;
}
.net-node {
    position: absolute; transition: transform 0.3s;
}
.net-node:hover { transform: scale(1.08); }
.net-node-inner {
    padding: 14px 20px; border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.04); backdrop-filter: blur(12px);
    border: 1px solid var(--border); font-size: 13px; font-weight: 600;
    text-align: center; line-height: 1.4; color: var(--text-mid);
    transition: all 0.3s;
}
.net-node:hover .net-node-inner {
    border-color: var(--accent); color: var(--text);
    box-shadow: 0 0 24px rgba(99, 102, 241, 0.2);
}
.net-center { top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 2; }
.net-center .net-node-inner {
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    border-color: transparent; color: #fff; font-size: 15px;
    padding: 18px 28px; border-radius: 50%; width: 90px; height: 90px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.4);
}
.net-1 { top: 12%; left: 15%; }
.net-2 { top: 12%; right: 15%; }
.net-3 { bottom: 12%; left: 15%; }
.net-4 { bottom: 12%; right: 15%; }

/* === About === */
.about-section {
    text-align: center; max-width: 700px; margin: 0 auto; padding: 60px 24px;
}
.about-lead { font-size: 24px; line-height: 1.5; margin-bottom: 48px; font-weight: 400; }
.about-pillars { display: flex; justify-content: center; gap: 20px; margin-bottom: 40px; }
.pillar {
    padding: 24px 28px; background: rgba(255,255,255,0.02);
    border: 1px solid var(--border); border-radius: var(--radius);
    display: flex; flex-direction: column; align-items: center; gap: 12px;
    transition: all 0.3s; min-width: 140px;
}
.pillar:hover { border-color: var(--accent); transform: translateY(-3px); }
.pillar-icon {
    width: 40px; height: 40px; border-radius: 10px;
    background: var(--accent-glow); display: flex;
    align-items: center; justify-content: center; color: var(--accent-light);
}
.pillar-icon svg { width: 20px; height: 20px; }
.pillar span { font-weight: 600; font-size: 15px; }
.about-mid { color: var(--text-dim); font-size: 17px; margin-bottom: 32px; }
.about-statement p { font-size: 20px; font-weight: 600; line-height: 1.6; }
.about-statement .gradient-text { font-size: 22px; }

/* === Students Page === */
.page-students { --accent: #f59e0b; --accent-light: #fbbf24; --accent-glow: rgba(245, 158, 11, 0.12); }
.hero-students {
    position: relative; overflow: hidden;
    background: linear-gradient(135deg, var(--bg), #1a1008, #0f0a18);
    justify-content: center; text-align: center;
    padding: 100px 24px 80px; max-width: 100%;
}
.hero-students .hero-content { max-width: 700px; margin: 0 auto; }
.hero-students .hero { max-width: 100%; padding: 0; }
.students-particles {
    position: absolute; inset: 0; overflow: hidden; opacity: 0.5;
}

/* Tracks */
.tracks { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.track {
    background: rgba(255,255,255,0.02); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 32px; text-align: left;
    display: flex; flex-direction: column; gap: 16px;
    transition: all 0.3s;
}
.track:hover { border-color: var(--border-hover); }
.track-top { display: flex; align-items: center; justify-content: space-between; }
.track-emoji { font-size: 28px; }
.track-badge {
    display: inline-block; padding: 5px 14px; border-radius: 20px;
    font-size: 12px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.8px; width: fit-content;
}
.track-badge.career { background: var(--green-glow); color: var(--green); border: 1px solid rgba(52, 211, 153, 0.2); }
.track-badge.founder { background: var(--red-glow); color: var(--red); border: 1px solid rgba(248, 113, 113, 0.2); }
.track-desc { color: var(--text-dim); font-size: 14px; }
.track-divider { height: 1px; background: var(--border); }
.track-for h4, .track-get h4 {
    font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px;
    color: var(--text-dim); margin-bottom: 8px;
}
.track-for ul { padding-left: 16px; }
.track-for li { list-style: disc; color: var(--text-mid); font-size: 13px; margin-bottom: 3px; }
.track-items { display: flex; flex-wrap: wrap; gap: 6px; }
.track-items span {
    padding: 5px 12px; background: rgba(255,255,255,0.03);
    border-radius: 20px; font-size: 12px; color: var(--text-dim);
    border: 1px solid var(--border);
}
.section-statement {
    font-size: 22px; font-weight: 600; line-height: 1.6;
    max-width: var(--max-w); margin: 12px auto 0;
}
.connection-tags { display: flex; justify-content: center; gap: 16px; margin-top: 24px; }
.conn-tag {
    padding: 14px 36px; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 15px; transition: all 0.3s;
}
.conn-talent { background: var(--green-glow); border: 1px solid rgba(52,211,153,0.2); color: var(--green); }
.conn-talent:hover { border-color: var(--green); box-shadow: 0 0 20px rgba(52,211,153,0.2); }
.conn-projects { background: var(--accent-glow); border: 1px solid rgba(99,102,241,0.2); color: #818cf8; }
.conn-projects:hover { border-color: #818cf8; box-shadow: 0 0 20px rgba(99,102,241,0.2); }
.conn-brands { background: var(--warm-glow); border: 1px solid rgba(245,158,11,0.2); color: var(--warm-light); }
.conn-brands:hover { border-color: var(--warm-light); box-shadow: 0 0 20px rgba(245,158,11,0.2); }
.section-cta-warm .cta-content h2 { color: var(--text); }

/* === Contact === */
.contact-page {
    display: flex; align-items: center; justify-content: center;
    min-height: calc(100vh - var(--nav-h) - 80px); padding: 60px 24px;
}
.contact-inner { max-width: 600px; text-align: center; }
.contact-inner h1 {
    font-size: 40px; font-weight: 800; margin: 12px 0 36px;
    letter-spacing: -1px;
}
.contact-actions { margin-bottom: 56px; }
.contact-methods { display: flex; gap: 16px; justify-content: center; }
.contact-item {
    text-align: center; padding: 28px 24px; flex: 1;
}
.contact-item svg {
    width: 28px; height: 28px; color: var(--accent-light); margin-bottom: 12px;
}
.contact-item span { display: block; font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.contact-placeholder { color: var(--text-dim); font-size: 12px; }
.contact-detail { color: var(--accent-light); font-size: 14px; font-weight: 500; }

/* === Footer === */
footer {
    border-top: 1px solid var(--border); padding: 24px;
}
.footer-inner {
    max-width: var(--max-w); margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    color: var(--text-dim); font-size: 13px;
}
.footer-brand { font-weight: 700; color: var(--text-mid); }

/* === Scroll Reveal === */
.reveal {
    opacity: 0; transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
    opacity: 1; transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* === Mobile === */
@media (max-width: 768px) {
    :root { --nav-h: 60px; }
    .hero { padding: 48px 20px 40px; }
    .hero h1 { font-size: 28px; letter-spacing: -0.5px; }
    .hero-canvas { width: 100%; opacity: 0.3; }
    .hero-actions { flex-direction: column; align-items: flex-start; }
    .grid-2x2, .grid-2x3 { grid-template-columns: 1fr; }
    .process-flow { flex-wrap: wrap; justify-content: center; gap: 12px; }
    .process-connector { display: none; }
    .why-grid, .diff-list { grid-template-columns: 1fr; }
    .tracks { grid-template-columns: 1fr; }
    .about-pillars { flex-direction: column; align-items: center; }
    .contact-methods { flex-direction: column; }

    /* Mobile nav */
    .logo-mark { width: 32px; height: 28px; font-size: 13px; border-radius: 7px; }
    .logo-text { font-size: 16px; }
    .nav-toggle { display: block; }

    .nav-links {
        display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
        bottom: 0; /* full screen overlay */
        background: rgba(6, 6, 10, 0.97);
        backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        padding: 32px 24px 40px;
        gap: 0;
        overflow-y: auto;
        z-index: 99;
    }
    .nav-links.open { display: flex; }

    .nav-links li { width: 100%; }
    .nav-links a {
        display: block; width: 100%;
        font-size: 18px !important; font-weight: 500;
        padding: 16px 0 !important; border-radius: 0 !important;
        border-bottom: 1px solid var(--border);
        color: var(--text-mid);
        background: none !important;
    }
    .nav-links a:hover, .nav-links a.active { color: var(--text); }
    .nav-links .nav-cta {
        margin-top: 20px;
        text-align: center;
        border-bottom: none;
        background: var(--accent) !important;
        border-radius: var(--radius-sm) !important;
        padding: 14px 0 !important;
        font-size: 16px !important;
        box-shadow: 0 0 24px rgba(99, 102, 241, 0.3);
    }

    /* Mobile lang toggle */
    .nav-links li:has(.lang-toggle) {
        padding: 20px 0 8px;
        border-bottom: none;
    }
    .nav-links .lang-toggle {
        width: 100%; height: 44px; border-radius: var(--radius-sm);
        background: rgba(255,255,255,0.04);
        border: 1px solid var(--border);
    }
    .nav-links .lang-label { font-size: 14px; }

    /* Hamburger animation */
    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .page-header h1 { font-size: 28px; }
    .section { padding: 48px 20px; }
    .section h2 { font-size: 24px; }
    .timeline { padding-left: 56px; }
    .timeline-marker { left: -56px; width: 44px; height: 44px; }
    .timeline::before { left: 21px; }
    .hero-students { padding: 48px 20px; }
    .network-viz { height: 300px; }
    .net-1, .net-2, .net-3, .net-4 { display: none; }
    .connection-tags { flex-direction: column; align-items: center; }
    .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
    .cursor-glow { display: none !important; }
    .cta-content h2 { font-size: 26px; }
    .section-cta { padding: 64px 20px; }
    .contact-inner h1 { font-size: 30px; }
    .btn-xl { padding: 16px 32px; font-size: 16px; }
}