:root {
  --bg: #0a0a0d;
  --surface: #131319;
  --surface-2: #1a1a22;
  --border: rgba(255,255,255,.08);
  --text: #f2f1f6;
  --text-muted: #9994a3;
  --accent-1: #a855f7;
  --accent-2: #ec4899;
  --gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .brand span {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  letter-spacing: .01em;
  margin: 0;
}

a { color: inherit; }

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10,10,13,.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  letter-spacing: .08em;
}

nav {
  display: flex;
  gap: 24px;
  margin-right: auto;
  font-size: 14px;
  color: var(--text-muted);
}

nav a { margin-right: 24px; }
nav a:last-child { margin-right: 0; }

nav a:hover { color: var(--text); }

.btn {
  display: inline-block;
  border-radius: 10px;
  padding: 11px 22px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .15s ease, filter .15s ease;
}

.btn:hover { filter: brightness(1.1); transform: translateY(-1px); }

.btn-primary { background: var(--gradient); color: #fff; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-small { padding: 8px 16px; font-size: 13px; }
.btn-large { padding: 16px 36px; font-size: 16px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: 90px 24px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

.hero-gem-stage {
  display: flex;
  justify-content: center;
  order: 2;
}

.hero-gem {
  width: 320px;
  height: 320px;
  object-fit: contain;
  filter: drop-shadow(0 0 40px rgba(168, 85, 247, .45));
  animation: gem-in 1s cubic-bezier(.2,.9,.3,1) forwards;
}

@keyframes gem-in {
  from { opacity: 0; transform: scale(.85) rotate(-8deg); }
  to   { opacity: 1; transform: scale(1) rotate(0deg); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-gem { animation: none; opacity: 1; }
}

.hero-content { order: 1; }

.hero h1 {
  font-size: clamp(32px, 4.2vw, 50px);
  line-height: 1.12;
  margin-bottom: 20px;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 46ch;
  margin-bottom: 28px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.hero-note { font-size: 13px; color: var(--text-muted); }

/* ---------- Pillars ---------- */
.pillars { max-width: 1120px; margin: 60px auto; padding: 0 24px; }

.section-head { max-width: 620px; margin-bottom: 56px; }
.section-head h2 { font-size: 32px; margin-bottom: 14px; }
.section-head p { color: var(--text-muted); font-size: 16px; }

.pillar-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 48px 0;
  border-top: 1px solid var(--border);
}
.pillar-row:first-of-type { border-top: none; }
.pillar-row.reverse .pillar-visual { order: 2; }
.pillar-row.reverse .pillar-text { order: 1; }

.pillar-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-1);
  margin-bottom: 10px;
}
.pillar-tag--light { color: #f0abfc; }

.pillar-text h3 { font-size: 22px; margin-bottom: 12px; line-height: 1.3; }
.pillar-text p { color: var(--text-muted); font-size: 15px; max-width: 42ch; }

.pillar-visual {
  height: 220px;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  overflow: hidden;
}

.pillar-visual--games { height: 280px; }

.pillar-visual--shot { padding: 0; overflow: hidden; }
.pillar-visual--shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.mock-grid { display: flex; flex-wrap: wrap; width: 100%; height: 100%; }
.mock-cover {
  border-radius: 8px;
  width: calc(50% - 6px);
  height: calc(50% - 6px);
  margin: 3px;
}
.c1 { background: linear-gradient(160deg, #a855f7, #4c1d95); }
.c2 { background: linear-gradient(160deg, #ec4899, #7c3aed); }
.c3 { background: linear-gradient(160deg, #6d28d9, #1e1033); }
.c4 { background: linear-gradient(160deg, #d946ef, #a855f7); }

.mock-ticker { width: 100%; display: flex; flex-direction: column; gap: 16px; }
.ticker-line { height: 14px; border-radius: 7px; background: var(--gradient); opacity: .85; }
.ticker-line.short { width: 60%; opacity: .5; }

.mock-reel {
  width: 100%; height: 100%;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--surface-2), var(--accent-1), var(--surface-2));
  border: 1px solid var(--border);
}

.pillar-visual--reading { gap: 10px; }
.mock-spine { width: 34px; height: 140px; border-radius: 6px 6px 3px 3px; }
.s1 { background: linear-gradient(180deg, #a855f7, #6d28d9); height: 160px; }
.s2 { background: linear-gradient(180deg, #ec4899, #a855f7); height: 120px; }
.s3 { background: linear-gradient(180deg, #7c3aed, #4c1d95); height: 145px; }

/* ---------- Vault ---------- */
.vault {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 24px;
}

.vault-inner { max-width: 640px; margin: 0 auto; text-align: left; }
.vault h2 { font-size: 32px; margin: 10px 0 16px; }
.vault p { color: var(--text-muted); font-size: 16px; margin-bottom: 24px; }

.vault-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.vault-list li {
  padding-left: 22px;
  position: relative;
  font-size: 15px;
  color: var(--text);
}
.vault-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gradient);
}

/* ---------- Download ---------- */
.download {
  max-width: 720px;
  margin: 90px auto;
  padding: 0 24px;
  text-align: center;
}
.download h2 { font-size: 34px; margin-bottom: 12px; }
.download p { color: var(--text-muted); margin-bottom: 28px; }
.download-note { font-size: 13px; margin-top: 20px; }

/* ---------- FAQ ---------- */
.faq { max-width: 720px; margin: 90px auto; padding: 0 24px; }
.faq h2 { font-size: 28px; margin-bottom: 32px; }
.faq-item { border-top: 1px solid var(--border); padding: 24px 0; }
.faq-item h3 { font-size: 17px; margin-bottom: 8px; font-family: 'Inter', sans-serif; font-weight: 600; }
.faq-item p { color: var(--text-muted); font-size: 15px; margin: 0; }

footer {
  text-align: center;
  padding: 40px 24px;
  color: var(--text-muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 50px; }
  .hero-gem-stage { order: 1; }
  .hero-content { order: 2; }
  .hero-gem { width: 220px; height: 220px; }
  .pillar-row, .pillar-row.reverse {
    grid-template-columns: 1fr;
  }
  .pillar-row .pillar-visual,
  .pillar-row.reverse .pillar-visual { order: 1; }
  .pillar-row .pillar-text,
  .pillar-row.reverse .pillar-text { order: 2; }
}