/* Design System: Neon Cyan + Geometric Typography */
:root {
  --color-primary: #06b6d4;
  --color-primary-glow: rgba(6, 182, 212, 0.5);
  --color-secondary: #0891b2;
  --color-accent: #67e8f9;
  --color-accent-glow: rgba(103, 232, 249, 0.3);
  --bg-1: #042f2e;
  --bg-2: #134e4a;
  --bg-3: #021716;
  --bg-gradient: linear-gradient(120deg, #042f2e, #134e4a 50%, #021716);
  --card-bg: rgba(19, 78, 74, 0.6);
  --card-border: rgba(6, 182, 212, 0.25);
  --text: #e6fdff;
  --muted: #a9d9e1;
  --easing: cubic-bezier(0.34, 1.56, 0.64, 1);
  --radius-lg: 20px;
  --radius-xl: 24px;
  --shadow-strong: 0 0 0 1px var(--card-border), 0 8px 30px -6px var(--color-primary-glow), 0 0 60px -20px var(--color-accent-glow);
  --transition: 0.25s var(--easing);
  --container: 1200px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Work Sans', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg-gradient) fixed;
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: var(--accent, var(--color-accent)); text-decoration: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px); }
.nav-blur { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,182,212,0.12), rgba(0,0,0,0)); pointer-events: none; }
.nav-container { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; position: relative; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .2px; color: var(--text); }
.logo-text { font-family: 'Outfit', system-ui, sans-serif; font-weight: 700; }
.logo:hover .logo-text { text-shadow: 0 0 18px var(--color-primary-glow); }

.main-nav { display: flex; align-items: center; gap: 18px; }
.nav-links { list-style: none; display: flex; gap: 18px; padding: 0; margin: 0; }
.nav-links a { padding: 8px 14px; border-radius: 999px; background: linear-gradient(120deg, rgba(6,182,212,0.08), rgba(103,232,249,0.08)); border: 1px solid var(--card-border); transition: transform var(--transition), box-shadow var(--transition), background var(--transition); }
.nav-links a:hover, .nav-links a.active { transform: translateY(-1px) scale(1.05); box-shadow: 0 6px 24px -8px var(--color-primary-glow); background: linear-gradient(120deg, rgba(6,182,212,0.18), rgba(103,232,249,0.12)); }

.header-age { display: flex; align-items: center; gap: 10px; }
.age-badge { display: inline-flex; align-items: center; justify-content: center; font-family: 'JetBrains Mono', monospace; font-weight: 600; letter-spacing: .5px; background: radial-gradient(60% 60% at 50% 50%, rgba(6,182,212,0.18), rgba(103,232,249,0.08)); border: 1px solid var(--card-border); color: var(--color-accent); padding: 4px 10px; border-radius: 999px; text-shadow: 0 0 10px var(--color-primary-glow); box-shadow: inset 0 0 0 1px rgba(6,182,212,0.2), 0 0 30px -10px var(--color-primary-glow); }
.age-badge.large { font-size: 14px; padding: 6px 12px; }
.age-badge.xl { font-size: 16px; padding: 8px 14px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 22px; border-radius: 999px; border: 1px solid var(--card-border); color: var(--text); cursor: pointer; transition: transform var(--transition), box-shadow var(--transition), background var(--transition), opacity var(--transition); will-change: transform; }
.btn.primary, .btn.cta { background: linear-gradient(120deg, var(--color-primary), var(--color-accent)); box-shadow: 0 10px 30px -10px var(--color-primary-glow); }
.btn.secondary { background: linear-gradient(120deg, rgba(6,182,212,0.15), rgba(103,232,249,0.15)); }
.btn.ghost { background: transparent; }
.btn:hover { transform: translateY(-2px) scale(1.05); box-shadow: 0 14px 44px -12px var(--color-primary-glow); }
.pulse { animation: pulse 2.5s var(--easing) infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(6,182,212,0.6); } 70% { box-shadow: 0 0 0 18px rgba(6,182,212,0); } 100% { box-shadow: 0 0 0 0 rgba(6,182,212,0); } }

/* Hero */
.hero { position: relative; min-height: 90vh; display: grid; place-items: center; padding: 100px 0 80px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-image: linear-gradient(180deg, rgba(2,23,22,0.6), rgba(2,23,22,0.8)), var(--hero-image); background-size: cover; background-position: center; filter: saturate(1.1); }
.particles { position: absolute; inset: 0; pointer-events: none; opacity: .6; }
.hero-inner { position: relative; text-align: center; }
.hero-title { font-family: 'Outfit', system-ui, sans-serif; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.1; margin: 0 0 10px; text-shadow: 0 0 40px var(--color-primary-glow); }
.hero-subtitle { color: var(--muted); margin: 0 0 26px; }
.hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-note { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 14px; color: var(--muted); }
.floating-badge { position: absolute; top: 24px; right: 24px; }
.floating-card { position: absolute; left: 24px; bottom: 24px; animation: float 5.5s var(--easing) infinite; }
.glass { background: var(--card-bg); border: 1px solid var(--card-border); backdrop-filter: blur(12px); border-radius: var(--radius-xl); box-shadow: var(--shadow-strong); }
.floating-content { display: flex; align-items: center; gap: 12px; padding: 12px 14px; }
.chip-emoji { font-size: 20px; }
.mono { font-family: 'JetBrains Mono', monospace; }
.tiny { font-size: 12px; }
.subtle { color: var(--muted); }
@keyframes float { 0% { transform: translateY(0); } 50% { transform: translateY(-8px); } 100% { transform: translateY(0); } }

.floating-cta { position: absolute; bottom: 40px; right: 24px; display: inline-flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: 999px; border: 1px solid var(--card-border); color: var(--text); background: linear-gradient(120deg, var(--color-secondary), var(--color-primary)); box-shadow: 0 12px 30px -12px var(--color-primary-glow); transition: transform var(--transition), box-shadow var(--transition); }
.floating-cta:hover { transform: translateY(-2px) scale(1.05); box-shadow: 0 18px 44px -14px var(--color-primary-glow); }

/* Sections */
.section { padding: 100px 0; position: relative; }
.section.tight { padding-top: 80px; }
.section-header { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.section-header.row { justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.section-header h1, .section-header h2 { font-family: 'Outfit', system-ui, sans-serif; margin: 0; }
.section-footnote { margin-top: 22px; color: var(--muted); display: flex; align-items: center; gap: 8px; }

/* Games Grid */
.games-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 640px) { .games-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .games-grid { grid-template-columns: repeat(3, 1fr); } }

.game-card { position: relative; display: flex; flex-direction: column; gap: 10px; padding: 12px; border-radius: var(--radius-lg); background: var(--card-bg); border: 1px solid var(--card-border); box-shadow: var(--shadow-strong); transition: transform var(--transition), box-shadow var(--transition); overflow: hidden; }
.game-card:hover { transform: translateY(-4px) scale(1.02); box-shadow: 0 20px 60px -20px var(--color-primary-glow); }
.game-image-container { position: relative; border-radius: 16px; overflow: hidden; aspect-ratio: 16/9; background: radial-gradient(120% 120% at 0% 0%, rgba(6,182,212,0.1), rgba(103,232,249,0.1)); }
.game-image { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--transition), filter var(--transition); }
.game-card:hover .game-image { transform: scale(1.05); filter: saturate(1.05); }
.game-image-fallback { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; text-align: center; padding: 10px; background: linear-gradient(135deg, rgba(6,182,212,0.15), rgba(103,232,249,0.12)); color: var(--text); font-weight: 600; }
.game-info { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.game-category { font-size: 12px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--card-border); background: rgba(6,182,212,0.12); color: var(--color-accent); }
.game-title { margin: 2px 6px 4px; font-family: 'Outfit', system-ui, sans-serif; }
.play-demo-btn { margin: 4px 6px 8px; align-self: flex-start; }
.play-demo-btn { padding: 10px 16px; border-radius: 999px; border: 1px solid var(--card-border); color: var(--text); background: linear-gradient(120deg, var(--color-primary), var(--color-accent)); box-shadow: 0 10px 24px -12px var(--color-primary-glow); cursor: pointer; transition: transform var(--transition), box-shadow var(--transition); }
.play-demo-btn:hover { transform: translateY(-2px) scale(1.05); box-shadow: 0 18px 44px -16px var(--color-primary-glow); }

/* Steps & Features */
.steps-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 768px) { .steps-grid { grid-template-columns: repeat(3, 1fr); } }
.step { padding: 20px; text-align: left; }
.step .icon { font-size: 28px; margin-bottom: 8px; }

.features-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 768px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }
.feature { padding: 20px; }

/* Responsible Gaming Grid */
.rg-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 1024px) { .rg-grid { grid-template-columns: repeat(2, 1fr); } }
.rg-card { padding: 20px; }
.rg-links { list-style: none; padding: 0; margin: 8px 0 0; }
.rg-links li { margin: 6px 0; }
.rg-links a { color: var(--color-accent); border-bottom: 1px dashed rgba(103,232,249,0.35); }
.rg-links a:hover { color: var(--color-primary); }

/* FAQ */
.faq { display: grid; grid-template-columns: 1fr; gap: 12px; }
.faq-item { padding: 18px; cursor: pointer; }
.faq-item summary { list-style: none; font-weight: 600; }
.faq-item[open] { outline: 1px solid var(--card-border); }

/* Filters */
.filters { display: flex; gap: 10px; }
.filter-btn { padding: 10px 14px; border-radius: 999px; border: 1px solid var(--card-border); background: rgba(6,182,212,0.08); color: var(--text); cursor: pointer; transition: var(--transition); }
.filter-btn:hover { transform: translateY(-2px) scale(1.05); box-shadow: 0 10px 30px -12px var(--color-primary-glow); }
.filter-btn.active { background: linear-gradient(120deg, var(--color-secondary), var(--color-primary)); }

/* Age Banner */
.age-banner { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 999px; margin-bottom: 16px; }

/* Modal */
.game-modal { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; background: rgba(2,23,22,0.7); backdrop-filter: blur(8px); z-index: 100; padding: 20px; }
.game-modal.active { display: flex; }
.modal-content { width: 100%; max-width: 1100px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius-xl); box-shadow: var(--shadow-strong); overflow: hidden; animation: pop 0.35s var(--easing); }
@keyframes pop { from { transform: translateY(20px) scale(0.98); opacity: 0; } to { transform: translateY(0) scale(1); opacity: 1; } }
.modal-header { display: flex; align-items: center; gap: 10px; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--card-border); }
.close-btn { background: transparent; color: var(--text); font-size: 28px; border: none; cursor: pointer; transition: transform var(--transition), color var(--transition); }
.close-btn:hover { transform: scale(1.1); color: var(--color-accent); }
#game-iframe { width: 100%; height: min(70vh, 720px); border: none; display: block; background: radial-gradient(120% 120% at 0% 0%, rgba(6,182,212,0.12), rgba(103,232,249,0.1)); }
.demo-unavailable { height: min(70vh, 720px); display: none; align-items: center; justify-content: center; color: var(--muted); }

/* Footer */
.site-footer { padding: 60px 0; border-top: 1px solid var(--card-border); background: linear-gradient(180deg, rgba(6,182,212,0.08), rgba(0,0,0,0)); text-align: center; }
.footer-inner { display: grid; gap: 14px; place-items: center; }
.footer-links { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.footer-links a { color: var(--color-accent); }
.footer-logo .logo-text { font-size: 18px; }

/* Age Modal */
.age-modal { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; z-index: 120; }
.age-modal.active { display: flex; }
.age-modal-backdrop { position: absolute; inset: 0; background: rgba(2,23,22,0.7); backdrop-filter: blur(8px); }
.age-modal-card { position: relative; width: min(520px, 92%); background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius-xl); box-shadow: var(--shadow-strong); padding: 26px; text-align: center; animation: pop 0.35s var(--easing); }
.age-icon { font-family: 'JetBrains Mono', monospace; color: var(--color-accent); border: 1px solid var(--card-border); border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 14px; margin-bottom: 10px; text-shadow: 0 0 16px var(--color-primary-glow); }
.age-actions { display: flex; gap: 10px; justify-content: center; margin: 16px 0 8px; }

/* Mobile Nav */
.hamburger { display: inline-flex; flex-direction: column; gap: 4px; background: transparent; border: 1px solid var(--card-border); border-radius: 10px; padding: 8px; color: var(--text); cursor: pointer; transition: var(--transition); }
.hamburger span { width: 22px; height: 2px; background: var(--color-accent); display: block; }
@media (min-width: 1024px) { .hamburger { display: none; } }

#nav-links { position: fixed; right: 16px; top: 70px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius-xl); padding: 10px; display: none; flex-direction: column; gap: 8px; box-shadow: var(--shadow-strong); }
#nav-links.open { display: flex; }
@media (min-width: 1024px) { #nav-links { position: static; display: flex !important; background: transparent; border: none; box-shadow: none; padding: 0; flex-direction: row; } }

/* Utility */
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.policy { padding: 20px; }

/* Anim accents */
.glow-hover { transition: box-shadow var(--transition); }
.glow-hover:hover { box-shadow: 0 14px 40px -12px var(--color-primary-glow); }

/* Accessibility contrast tweaks */
summary::-webkit-details-marker { display: none; }