/* ═══════════════════════════════════════════════
   ISMAYA — Celestial Core Engine Website
   Theme: Solo Leveling System Window Aesthetic
   Colors: Deep Navy + Cyan Neon (#00E5FF)
   ═══════════════════════════════════════════════ */

/* ── RESET & BASE ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
    font-family:'Inter', -apple-system, sans-serif;
    background:#0a0e1a;
    color:#e2e8f0;
    line-height:1.7;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
}
a { color:#00e5ff; text-decoration:none; transition:color .2s; }
a:hover { color:#00ffe5; }
img { max-width:100%; display:block; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
::selection { background:#00e5ff33; color:#fff; }

/* ── UTILITIES ── */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.text-cyan { color:#00e5ff; }
.text-magenta { color:#e11d48; }
.text-blue { color:#3b82f6; }
.text-purple { color:#7c3aed; }
.text-gold { color:#fbbf24; }
.text-green { color:#10b981; }
.section { padding:100px 0; position:relative; }
.section-tag {
    display:inline-block;
    font-family:'Orbitron', monospace;
    font-size:.75rem;
    font-weight:700;
    color:#00e5ff;
    letter-spacing:3px;
    text-transform:uppercase;
    margin-bottom:16px;
}
.section-title {
    font-family:'Orbitron', monospace;
    font-size:clamp(1.8rem, 4vw, 2.8rem);
    font-weight:800;
    color:#fff;
    line-height:1.2;
    margin-bottom:20px;
}
.section-subtitle { color:#94a3b8; font-size:1.05rem; max-width:650px; }
.section-header { text-align:center; margin-bottom:60px; }
.section-header .section-subtitle { margin:0 auto; }

/* ── BUTTONS ── */
.btn {
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:14px 28px;
    border-radius:12px;
    font-weight:600;
    font-size:.95rem;
    transition:all .3s;
    white-space:nowrap;
}
.btn i, .btn svg { width:18px; height:18px; flex-shrink:0; }
.btn-primary {
    background:linear-gradient(135deg, #00b8d4, #00e5ff);
    color:#0a0e1a;
    border:2px solid transparent;
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 30px #00e5ff44; color:#0a0e1a; }
.btn-outline {
    background:transparent;
    color:#00e5ff;
    border:2px solid #00e5ff55;
}
.btn-outline:hover { border-color:#00e5ff; background:#00e5ff11; color:#00e5ff; }
.btn-glow { box-shadow:0 0 20px #00e5ff33; }
.btn-full { width:100%; justify-content:center; }
.btn-xl { padding:18px 40px; font-size:1.1rem; border-radius:14px; }

/* ═══════════════════════
   NAVBAR
   ═══════════════════════ */
.navbar {
    position:fixed; top:0; left:0; right:0; z-index:1000;
    padding:16px 0;
    transition:all .3s;
}
.navbar.scrolled {
    background:rgba(10,14,26,.92);
    backdrop-filter:blur(20px);
    border-bottom:1px solid #00e5ff22;
    padding:10px 0;
}
.nav-container {
    max-width:1200px; margin:0 auto; padding:0 24px;
    display:flex; align-items:center; justify-content:space-between;
}
.nav-logo {
    display:flex; align-items:center; gap:8px;
    font-family:'Orbitron', monospace; font-weight:800; font-size:1.3rem; color:#fff;
}
.logo-icon { color:#00e5ff; font-size:1.1rem; }
.nav-links {
    display:flex; list-style:none; gap:32px;
}
.nav-links a {
    color:#94a3b8; font-size:.88rem; font-weight:500;
    letter-spacing:.5px; transition:color .2s;
}
.nav-links a:hover { color:#00e5ff; }
.nav-cta {
    display:inline-flex; align-items:center; gap:6px;
    padding:10px 20px; border-radius:10px;
    background:#00e5ff18; border:1.5px solid #00e5ff55;
    color:#00e5ff; font-size:.85rem; font-weight:600;
    transition:all .2s;
}
.nav-cta:hover { background:#00e5ff28; border-color:#00e5ff; color:#00e5ff; }
.nav-cta i { width:16px; height:16px; }
.nav-toggle { display:none; flex-direction:column; gap:5px; padding:6px; }
.nav-toggle span { display:block; width:24px; height:2px; background:#e2e8f0; border-radius:2px; transition:all .3s; }

/* ═══════════════════════
   HERO SECTION
   ═══════════════════════ */
.hero {
    min-height:100vh;
    display:flex; align-items:center; justify-content:center;
    position:relative;
    background:#0a0e1a;
    overflow:hidden;
    padding:120px 24px 60px;
}
.hero-video-bg {
    position:absolute;
    top:50%; left:50%;
    min-width:100%; min-height:100%;
    width:auto; height:auto;
    transform:translate(-50%, -50%);
    object-fit:cover;
    z-index:0;
    opacity:0.35;
    pointer-events:none;
}
.hero-overlay {
    position:absolute; inset:0; z-index:1;
    background:
        linear-gradient(135deg, rgba(10,14,26,.85) 0%, rgba(15,23,42,.7) 40%, rgba(26,10,46,.8) 100%),
        radial-gradient(ellipse at 30% 50%, #00e5ff08 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, #7c3aed08 0%, transparent 50%);
    pointer-events:none;
}
.hero-particles { position:absolute; inset:0; z-index:2; pointer-events:none; }
.hero-content { position:relative; z-index:3; max-width:620px; }
.hero-badge {
    display:inline-flex; align-items:center; gap:8px;
    padding:8px 16px; border-radius:50px;
    background:#00e5ff12; border:1px solid #00e5ff33;
    font-family:'JetBrains Mono', monospace; font-size:.72rem; font-weight:500;
    color:#00e5ff; letter-spacing:2px; margin-bottom:24px;
}
.badge-dot {
    width:6px; height:6px; border-radius:50%; background:#00e5ff;
    animation:pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }
.hero-title {
    font-family:'Orbitron', monospace; font-weight:900; line-height:1.15;
    margin-bottom:24px;
}
.title-line { display:block; font-size:clamp(1.5rem, 4vw, 2.5rem); color:#fff; }
.title-accent {
    display:block; font-size:clamp(2.2rem, 6vw, 4rem);
    background:linear-gradient(135deg, #00e5ff, #00ffe5, #7c3aed);
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    background-clip:text;
}
.hero-subtitle { color:#94a3b8; font-size:1.05rem; margin-bottom:36px; max-width:540px; }
.hero-actions { display:flex; gap:16px; flex-wrap:wrap; margin-bottom:48px; }
.hero-stats {
    display:flex; align-items:center; gap:24px; flex-wrap:wrap;
}
.hero-stat { text-align:center; }
.hero-stat .stat-value {
    display:block; font-family:'Orbitron', monospace; font-size:2rem;
    font-weight:800; color:#00e5ff;
}
.stat-plus { font-family:'Orbitron', monospace; font-size:1.2rem; color:#00e5ff; }
.hero-stat .stat-label { font-size:.78rem; color:#64748b; text-transform:uppercase; letter-spacing:1px; }
.hero-stat-divider { width:1px; height:40px; background:#ffffff18; }

/* Phone mockup */
.hero-phone-mockup {
    position:absolute; right:5%; top:50%; transform:translateY(-50%);
    z-index:3;
}
.phone-frame {
    width:280px; height:560px;
    border:3px solid #00e5ff55;
    border-radius:36px;
    background:#111827;
    overflow:hidden;
    box-shadow:0 0 60px #00e5ff22, 0 20px 80px rgba(0,0,0,.5);
    position:relative;
}
.phone-screen { width:100%; height:100%; overflow:hidden; }
.phone-screen img { width:100%; height:100%; object-fit:cover; }
.phone-glow {
    position:absolute; inset:-40px;
    background:radial-gradient(circle, #00e5ff15, transparent 70%);
    pointer-events:none;
}
.hero-scroll-indicator {
    position:absolute; bottom:32px; left:50%; transform:translateX(-50%);
    display:flex; flex-direction:column; align-items:center; gap:8px; z-index:3;
}
.hero-scroll-indicator span { font-size:.7rem; color:#475569; letter-spacing:3px; text-transform:uppercase; }
.scroll-line { width:1px; height:32px; background:linear-gradient(to bottom, #00e5ff55, transparent); animation:scrollDown 2s infinite; }
@keyframes scrollDown { 0%{opacity:0;transform:translateY(-8px)} 50%{opacity:1} 100%{opacity:0;transform:translateY(8px)} }

/* ═══════════════════════
   CONCEPT SECTION
   ═══════════════════════ */
.concept-grid { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.concept-pillars { margin-top:32px; display:flex; flex-direction:column; gap:20px; }
.pillar-item {
    display:flex; gap:16px; align-items:flex-start;
    padding:16px 20px;
    border-radius:12px;
    background:#ffffff05;
    border:1px solid #ffffff08;
    transition:all .3s;
}
.pillar-item:hover { border-color:#00e5ff33; background:#00e5ff08; }
.pillar-icon {
    width:40px; height:40px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    border-radius:10px; background:#00e5ff15; color:#00e5ff;
}
.pillar-item h4 { font-size:.95rem; color:#fff; margin-bottom:4px; }
.pillar-item p { font-size:.82rem; color:#94a3b8; line-height:1.5; }

/* Stat card demo */
.stat-card-demo {
    background:rgba(26,35,51,.94);
    border:2.5px solid #00e5ff;
    border-radius:20px;
    padding:28px;
    box-shadow:0 0 40px #00e5ff18, 0 20px 60px rgba(0,0,0,.4);
    max-width:400px;
    margin:0 auto;
}
.stat-card-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; }
.stat-card-badge {
    font-family:'Orbitron', monospace; font-size:.65rem; font-weight:800;
    color:#00e5ff; letter-spacing:3px;
}
.stat-card-system {
    font-size:.58rem; font-weight:800; color:#00e5ff;
    padding:4px 10px; border-radius:6px; background:#00e5ff15; border:1px solid #00e5ff55;
    letter-spacing:1px;
}
.stat-card-name {
    font-family:'Orbitron', monospace; font-size:1.4rem; font-weight:800;
    color:#fff; margin-bottom:4px;
}
.stat-card-rank { font-size:.82rem; color:#94a3b8; margin-bottom:20px; }
.stat-bars { display:flex; flex-direction:column; gap:12px; margin-bottom:20px; }
.stat-bar-item { }
.stat-bar-label { display:flex; justify-content:space-between; font-size:.75rem; font-weight:600; margin-bottom:4px; color:#94a3b8; }
.stat-bar-track { height:6px; background:#1e293b; border-radius:3px; overflow:hidden; }
.stat-bar-fill { height:100%; border-radius:3px; transition:width 1.5s ease; }
.fill-magenta { background:linear-gradient(90deg, #e11d48, #f43f5e); }
.fill-blue { background:linear-gradient(90deg, #2563eb, #3b82f6); }
.fill-cyan { background:linear-gradient(90deg, #00b8d4, #00e5ff); }
.fill-purple { background:linear-gradient(90deg, #6d28d9, #7c3aed); }
.fill-green { background:linear-gradient(90deg, #059669, #10b981); }
.stat-card-resonance {
    text-align:center; padding-top:16px;
    border-top:1px solid #ffffff11;
    font-family:'Orbitron', monospace; font-size:.68rem; font-weight:600;
    color:#94a3b8; letter-spacing:1px;
}
.stat-card-resonance span:first-child { display:block; margin-bottom:8px; }
.resonance-bar {
    height:8px; background:#1e293b; border-radius:4px; overflow:hidden; margin-bottom:8px;
}
.resonance-fill {
    height:100%; border-radius:4px;
    background:linear-gradient(90deg, #7c3aed, #00e5ff, #10b981);
}

/* ═══════════════════════
   FEATURES SECTION
   ═══════════════════════ */
.section-features { background:linear-gradient(180deg, #0a0e1a, #0d1117, #0a0e1a); }
.features-grid {
    display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;
}
.feature-card {
    padding:32px 28px;
    border-radius:16px;
    background:rgba(30,41,59,.4);
    border:1px solid #ffffff0a;
    transition:all .4s;
}
.feature-card:hover {
    border-color:#00e5ff44;
    background:rgba(0,229,255,.04);
    transform:translateY(-4px);
    box-shadow:0 12px 40px #00e5ff11;
}
.feature-icon {
    width:48px; height:48px;
    display:flex; align-items:center; justify-content:center;
    border-radius:12px;
    background:#00e5ff12;
    color:#00e5ff;
    margin-bottom:20px;
}
.feature-icon i { width:24px; height:24px; }
.feature-card h3 { font-size:1.05rem; font-weight:700; color:#fff; margin-bottom:10px; }
.feature-card p { font-size:.88rem; color:#94a3b8; line-height:1.6; }

/* ═══════════════════════
   5 ENGINES SECTION
   ═══════════════════════ */
.engines-grid {
    display:grid; grid-template-columns:repeat(auto-fit, minmax(320px, 1fr)); gap:24px;
}
.engine-card {
    position:relative;
    padding:32px 28px;
    border-radius:16px;
    background:rgba(15,23,42,.7);
    border:1px solid #ffffff0a;
    transition:all .4s;
    overflow:hidden;
}
.engine-card:hover { border-color:#00e5ff44; transform:translateY(-3px); }
.engine-number {
    position:absolute; top:20px; right:20px;
    font-family:'Orbitron', monospace; font-size:2.5rem; font-weight:900;
    color:#ffffff06;
}
.engine-icon-wrap {
    width:56px; height:56px; margin-bottom:20px;
    border-radius:14px; background:#00e5ff10; border:1px solid #00e5ff22;
    display:flex; align-items:center; justify-content:center;
    overflow:hidden;
}
.engine-icon-wrap img { width:36px; height:36px; object-fit:contain; }
.engine-card h3 { font-size:1.05rem; font-weight:700; color:#fff; margin-bottom:4px; }
.engine-card h3 span { font-size:.78rem; color:#64748b; font-weight:400; margin-left:6px; }
.engine-card > p { font-size:.85rem; color:#94a3b8; line-height:1.6; margin-bottom:20px; }
.engine-outputs {
    list-style:none; display:flex; flex-wrap:wrap; gap:8px;
}
.engine-outputs li {
    padding:4px 12px; border-radius:6px;
    background:#00e5ff0a; border:1px solid #00e5ff22;
    font-size:.72rem; font-weight:500; color:#00e5ff;
    font-family:'JetBrains Mono', monospace;
}

/* ═══════════════════════
   GAME SYSTEM SECTION
   ═══════════════════════ */
.section-game { background:linear-gradient(180deg, #0a0e1a, #0d0a1e, #0a0e1a); }
.game-tabs {
    display:flex; gap:4px; justify-content:center; margin-bottom:32px;
    background:#111827; border-radius:14px; padding:4px; max-width:600px; margin-left:auto; margin-right:auto;
}
.game-tab {
    flex:1; padding:12px 20px; border-radius:10px;
    font-size:.82rem; font-weight:600; color:#64748b;
    transition:all .3s;
}
.game-tab.active { background:#00e5ff18; color:#00e5ff; border:1px solid #00e5ff44; }
.game-tab:hover:not(.active) { color:#94a3b8; }
.game-panel { display:none; }
.game-panel.active { display:block; animation:fadeIn .4s ease; }
@keyframes fadeIn { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:none} }
.game-panel-grid { display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:start; }
.game-panel-info h3 { font-size:1.2rem; font-weight:700; color:#fff; margin-bottom:12px; }
.game-panel-info > p { font-size:.9rem; color:#94a3b8; margin-bottom:24px; }
.game-panel-visual { display:flex; justify-content:center; align-items:center; }
.panel-img { max-width:360px; border-radius:16px; border:2px solid #ffffff0a; }

/* Stats table */
.stats-table { width:100%; border-collapse:collapse; font-size:.82rem; }
.stats-table th { text-align:left; padding:10px 12px; color:#64748b; font-weight:600; border-bottom:1px solid #ffffff0a; }
.stats-table td { padding:10px 12px; color:#94a3b8; border-bottom:1px solid #ffffff06; }
.stat-badge {
    display:inline-block; padding:2px 10px; border-radius:4px;
    font-family:'JetBrains Mono', monospace; font-size:.72rem; font-weight:700; color:#fff;
}
.bg-magenta { background:#e11d4844; }
.bg-blue { background:#3b82f644; }
.bg-cyan { background:#00e5ff33; }
.bg-gold { background:#fbbf2444; }
.bg-purple { background:#7c3aed44; }
.bg-green { background:#10b98144; }

/* Radar Chart */
.radar-container { width:320px; height:320px; margin:0 auto; }
.radar-caption { text-align:center; font-size:.75rem; color:#64748b; margin-top:8px; }

/* Enemy list */
.enemy-list { display:flex; flex-direction:column; gap:12px; }
.enemy-item {
    display:flex; align-items:center; gap:14px;
    padding:14px 16px; border-radius:12px; border:1px solid #ffffff0a;
    background:#ffffff04; transition:all .3s;
}
.enemy-item:hover { border-color:#ffffff15; }
.enemy-icon { font-size:1.5rem; flex-shrink:0; }
.enemy-item strong { display:block; font-size:.9rem; color:#fff; }
.enemy-item p { font-size:.75rem; color:#64748b; }
.enemy-power {
    margin-left:auto; font-family:'Orbitron', monospace; font-size:.78rem;
    font-weight:700; color:#e11d48; white-space:nowrap;
}
.enemy-boss { border-color:#e11d4833; }
.enemy-elite { border-color:#fbbf2433; }

/* Quest list */
.quest-list { display:flex; flex-direction:column; gap:12px; }
.quest-item {
    display:flex; align-items:center; gap:14px;
    padding:14px 16px; border-radius:12px; border:1px solid #ffffff0a;
    background:#ffffff04;
}
.quest-type {
    font-size:.6rem; font-weight:700; text-transform:uppercase; letter-spacing:1px;
    padding:4px 10px; border-radius:6px; white-space:nowrap; flex-shrink:0;
}
.type-lifestyle { background:#10b98122; color:#10b981; }
.type-timing { background:#fbbf2422; color:#fbbf24; }
.type-avoid { background:#e11d4822; color:#e11d48; }
.type-protect { background:#7c3aed22; color:#7c3aed; }
.quest-item strong { display:block; font-size:.88rem; color:#fff; }
.quest-item p { font-size:.75rem; color:#64748b; }
.quest-reward {
    margin-left:auto; font-size:.72rem; font-weight:600; color:#00e5ff;
    font-family:'JetBrains Mono', monospace; white-space:nowrap;
}

/* Equipment */
.equipment-preview { display:flex; flex-direction:column; gap:16px; }
.equip-card {
    padding:20px; border-radius:14px;
    background:#00e5ff06; border:1px solid #00e5ff22;
}
.equip-header { font-family:'Orbitron', monospace; font-size:.72rem; font-weight:700; color:#00e5ff; letter-spacing:2px; margin-bottom:8px; }
.equip-name { font-size:1.1rem; font-weight:700; color:#fff; margin-bottom:8px; }
.equip-detail { font-size:.8rem; color:#94a3b8; }

/* ═══════════════════════
   LIVE DEMO SECTION
   ═══════════════════════ */
.section-demo { background:linear-gradient(180deg, #0a0e1a, #0a1018); }
.demo-container { max-width:700px; margin:0 auto; }
.demo-form {
    padding:32px;
    border-radius:20px;
    background:rgba(26,35,51,.7);
    border:2px solid #ffffff0a;
}
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
.form-group { display:flex; flex-direction:column; gap:6px; }
.form-group label { font-size:.8rem; font-weight:600; color:#94a3b8; letter-spacing:.5px; }
.form-group input, .form-group select {
    padding:12px 16px; border-radius:10px;
    background:#0f172a; border:1.5px solid #ffffff15; color:#e2e8f0;
    font-size:.9rem; transition:border .3s;
}
.form-group input:focus, .form-group select:focus {
    outline:none; border-color:#00e5ff;
    box-shadow:0 0 0 3px #00e5ff22;
}
.form-group select option { background:#0f172a; }
.demo-form .btn { margin-top:8px; }

/* Demo result */
.demo-result {
    margin-top:24px; padding:28px;
    border-radius:20px;
    background:rgba(26,35,51,.92);
    border:2px solid #00e5ff55;
    box-shadow:0 0 40px #00e5ff15;
    animation:fadeIn .5s ease;
}
.demo-result-header {
    display:flex; justify-content:space-between; align-items:center;
    margin-bottom:20px; padding-bottom:16px; border-bottom:1px solid #ffffff0a;
}
.demo-result-header h3 {
    font-family:'Orbitron', monospace; font-size:1rem; font-weight:700;
    color:#00e5ff; letter-spacing:2px;
}
.btn-close-demo {
    width:32px; height:32px; border-radius:8px;
    background:#ffffff0a; color:#94a3b8;
    display:flex; align-items:center; justify-content:center;
    font-size:1.1rem; transition:all .2s;
}
.btn-close-demo:hover { background:#e11d4833; color:#e11d48; }

/* Demo result internal */
.demo-pillars { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-bottom:20px; }
.demo-pillar {
    text-align:center; padding:14px 8px; border-radius:12px;
    background:#0f172a; border:1px solid #ffffff0a;
}
.demo-pillar .pillar-label { font-size:.65rem; color:#64748b; text-transform:uppercase; letter-spacing:1px; margin-bottom:6px; }
.demo-pillar .pillar-stem {
    font-family:'Orbitron', monospace; font-size:1.1rem; font-weight:700; color:#00e5ff;
}
.demo-pillar .pillar-branch { font-size:.85rem; color:#94a3b8; }
.demo-elements { display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.demo-element {
    display:flex; align-items:center; gap:12px;
}
.demo-element .elem-name { width:52px; font-size:.78rem; color:#94a3b8; }
.demo-element .elem-bar { flex:1; height:8px; background:#1e293b; border-radius:4px; overflow:hidden; }
.demo-element .elem-fill { height:100%; border-radius:4px; transition:width 1s ease; }
.demo-element .elem-val { width:38px; text-align:right; font-size:.75rem; color:#00e5ff; font-family:'JetBrains Mono', monospace; }
.demo-dm {
    text-align:center; padding:16px; border-radius:12px;
    background:#00e5ff08; border:1px solid #00e5ff22; margin-bottom:20px;
}
.demo-dm strong { font-family:'Orbitron', monospace; color:#00e5ff; }
.demo-cta {
    text-align:center; padding-top:20px;
    border-top:1px solid #ffffff0a;
}
.demo-cta p { font-size:.88rem; color:#94a3b8; margin-bottom:16px; }

/* ═══════════════════════
   SCREENSHOTS SECTION
   ═══════════════════════ */
.section-screenshots { background:#0a0e1a; overflow:hidden; }
.screenshots-carousel { position:relative; overflow:hidden; }
.carousel-track {
    display:flex; gap:24px;
    transition:transform .5s ease;
    padding:20px 0;
}
.carousel-slide {
    flex:0 0 260px;
    text-align:center;
}
.carousel-slide img {
    width:260px; height:520px; object-fit:cover;
    border-radius:20px;
    border:2px solid #ffffff0a;
    box-shadow:0 10px 40px rgba(0,0,0,.4);
    transition:all .3s;
}
.carousel-slide:hover img { border-color:#00e5ff44; transform:scale(1.02); }
.slide-label { display:block; font-size:.78rem; color:#64748b; margin-top:12px; }
.carousel-btn {
    position:absolute; top:50%; transform:translateY(-50%);
    width:44px; height:44px; border-radius:50%;
    background:rgba(10,14,26,.85); border:1.5px solid #00e5ff55;
    color:#00e5ff; display:flex; align-items:center; justify-content:center;
    z-index:5; transition:all .2s;
}
.carousel-btn:hover { background:#00e5ff22; border-color:#00e5ff; }
.carousel-prev { left:10px; }
.carousel-next { right:10px; }
.carousel-btn i { width:20px; height:20px; }

/* ═══════════════════════
   ARCHITECTURE SECTION
   ═══════════════════════ */
.arch-flow {
    display:flex; flex-direction:column; align-items:center; gap:0;
    max-width:500px; margin:0 auto;
}
.arch-layer {
    width:100%; padding:20px 28px;
    border-radius:14px; background:rgba(15,23,42,.6);
    border:1.5px solid #ffffff0a;
    display:flex; align-items:center; gap:16px;
    transition:all .3s;
}
.arch-layer:hover { border-color:#00e5ff33; }
.layer-highlight { border-color:#00e5ff55; background:rgba(0,229,255,.06); }
.arch-tag {
    font-family:'Orbitron', monospace; font-size:.7rem; font-weight:800;
    color:#00e5ff; background:#00e5ff15; padding:4px 10px; border-radius:6px;
    flex-shrink:0;
}
.arch-name { font-weight:700; font-size:.92rem; color:#fff; }
.arch-desc { margin-left:auto; font-size:.78rem; color:#64748b; }
.arch-arrow { display:flex; justify-content:center; padding:4px 0; color:#00e5ff33; }
.arch-arrow i { width:20px; height:20px; }

/* ═══════════════════════
   FAQ SECTION
   ═══════════════════════ */
.faq-list { max-width:750px; margin:0 auto; display:flex; flex-direction:column; gap:8px; }
.faq-item { border-radius:14px; background:rgba(15,23,42,.5); border:1px solid #ffffff08; overflow:hidden; }
.faq-question {
    width:100%; display:flex; justify-content:space-between; align-items:center;
    padding:20px 24px; color:#e2e8f0; font-size:.95rem; font-weight:600;
    text-align:left; transition:all .2s;
}
.faq-question:hover { color:#00e5ff; }
.faq-question i { width:18px; height:18px; color:#64748b; transition:transform .3s; flex-shrink:0; }
.faq-item.open .faq-question i { transform:rotate(180deg); color:#00e5ff; }
.faq-answer { padding:0 24px; max-height:0; overflow:hidden; transition:all .4s ease; }
.faq-item.open .faq-answer { max-height:300px; padding:0 24px 20px; }
.faq-answer p { font-size:.88rem; color:#94a3b8; line-height:1.7; }

/* ═══════════════════════
   DOWNLOAD CTA SECTION
   ═══════════════════════ */
.section-download { padding:80px 0; }
.download-card {
    position:relative;
    text-align:center;
    padding:60px 40px;
    border-radius:24px;
    background:linear-gradient(135deg, #0f172a, #1a0a2e);
    border:2px solid #00e5ff33;
    overflow:hidden;
}
.download-glow {
    position:absolute; inset:0;
    background:radial-gradient(circle at 50% 0%, #00e5ff15, transparent 60%);
    pointer-events:none;
}
.download-card h2 {
    font-family:'Orbitron', monospace; font-size:clamp(1.6rem, 3vw, 2.4rem);
    font-weight:800; color:#fff; margin-bottom:16px; position:relative; z-index:1;
}
.download-card p { color:#94a3b8; font-size:1.05rem; margin-bottom:32px; max-width:540px; margin-left:auto; margin-right:auto; position:relative; z-index:1; }
.download-actions { position:relative; z-index:1; margin-bottom:16px; }
.download-meta { position:relative; z-index:1; }
.download-meta span { font-size:.78rem; color:#475569; }

/* ═══════════════════════
   FOOTER
   ═══════════════════════ */
.footer {
    padding:60px 0 30px;
    border-top:1px solid #ffffff08;
    background:#06080f;
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; margin-bottom:40px; }
.footer-logo {
    font-family:'Orbitron', monospace; font-size:1.2rem; font-weight:800;
    color:#fff; margin-bottom:12px;
}
.footer-brand p { font-size:.85rem; color:#64748b; line-height:1.6; max-width:300px; }
.footer-links h4 { font-size:.82rem; font-weight:700; color:#94a3b8; margin-bottom:12px; text-transform:uppercase; letter-spacing:1px; }
.footer-links a { display:block; font-size:.85rem; color:#64748b; margin-bottom:8px; transition:color .2s; }
.footer-links a:hover { color:#00e5ff; }
.footer-bottom { text-align:center; padding-top:24px; border-top:1px solid #ffffff08; }
.footer-bottom p { font-size:.78rem; color:#475569; }
.footer-quote { font-style:italic; margin-top:8px; color:#3b4a5f; }

/* ═══════════════════════
   RESPONSIVE
   ═══════════════════════ */
@media (max-width:1024px) {
    .hero-phone-mockup { display:none; }
    .hero { text-align:center; }
    .hero-content { max-width:700px; margin:0 auto; }
    .hero-subtitle { margin-left:auto; margin-right:auto; }
    .hero-actions { justify-content:center; }
    .hero-stats { justify-content:center; }
    .concept-grid { grid-template-columns:1fr; gap:40px; }
    .game-panel-grid { grid-template-columns:1fr; }
}
@media (max-width:768px) {
    .section { padding:70px 0; }
    .nav-links { display:none; }
    .nav-toggle { display:flex; }
    .nav-links.open {
        display:flex; flex-direction:column;
        position:absolute; top:100%; left:0; right:0;
        background:rgba(10,14,26,.97); backdrop-filter:blur(20px);
        padding:24px; gap:16px; border-bottom:1px solid #00e5ff22;
    }
    .features-grid { grid-template-columns:1fr; }
    .engines-grid { grid-template-columns:1fr; }
    .form-row { grid-template-columns:1fr; }
    .demo-pillars { grid-template-columns:repeat(2,1fr); }
    .footer-grid { grid-template-columns:1fr 1fr; gap:24px; }
    .game-tabs { flex-wrap:wrap; }
    .carousel-slide { flex:0 0 220px; }
    .carousel-slide img { width:220px; height:440px; }
    .arch-layer { flex-direction:column; text-align:center; gap:8px; }
    .arch-desc { margin-left:0; }
    .stat-card-demo { max-width:100%; }
}
@media (max-width:480px) {
    .hero-title .title-accent { font-size:2rem; }
    .hero-stats { flex-direction:column; gap:16px; }
    .hero-stat-divider { width:40px; height:1px; }
    .btn { padding:12px 20px; font-size:.88rem; }
    .footer-grid { grid-template-columns:1fr; }
    .hero-video-bg { display:none; }
    .hero { background:linear-gradient(135deg, #0a0e1a 0%, #0f172a 40%, #1a0a2e 100%); }
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion:reduce) {
    .hero-video-bg { display:none; }
    .hero { background:linear-gradient(135deg, #0a0e1a 0%, #0f172a 40%, #1a0a2e 100%); }
}