:root {
  --bg: #0f1020;
  --bg-2: #171933;
  --card: #1d2042;
  --line: #2b2f5c;
  --text: #e9eaff;
  --muted: #9a9cc8;
  --accent: #ffcc33;
  --accent-2: #6c5cff;
  --ok: #3ddc97;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #2a2266 0%, transparent 60%), var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1120px, 92vw); margin: 0 auto; }

.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(15, 16, 32, .85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: .3px; }
.logo svg { width: 30px; height: 30px; }
.logo b { color: var(--accent); }
.nav { display: flex; gap: 22px; color: var(--muted); font-size: 15px; }
.nav a:hover, .nav a.on { color: var(--text); }
.top .cta { margin-left: auto; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px; border: 0; cursor: pointer;
  font: inherit; font-weight: 700; font-size: 15px;
  background: var(--accent); color: #231a00;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(255, 204, 51, .25); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }

.hero { padding: 72px 0 40px; }
.hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.1; max-width: 720px; }
.hero h1 span { color: var(--accent); }
.hero p { color: var(--muted); font-size: 18px; max-width: 600px; margin: 18px 0 28px; }
.hero .row { display: flex; gap: 12px; flex-wrap: wrap; }
.stats { display: flex; gap: 36px; margin-top: 40px; color: var(--muted); font-size: 14px; }
.stats strong { display: block; color: var(--text); font-size: 24px; }

.section { padding: 32px 0 56px; }
.section h2 { font-size: 26px; margin-bottom: 6px; }
.section .sub { color: var(--muted); margin-bottom: 24px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.chip {
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--bg-2); color: var(--muted); font: inherit; font-size: 14px; cursor: pointer;
}
.chip.on { color: #231a00; background: var(--accent); border-color: var(--accent); font-weight: 700; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent-2); }
.card .thumb { aspect-ratio: 16 / 10; background: var(--bg-2); display: block; width: 100%; object-fit: cover; }
.card .body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card h3 { font-size: 17px; }
.card p { color: var(--muted); font-size: 14px; flex: 1; }
.meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--muted); margin-top: 6px; }
.tag { padding: 2px 8px; border-radius: 6px; background: rgba(108, 92, 255, .18); color: #b9b1ff; font-size: 12px; font-weight: 600; }
.tag.soon { background: rgba(255, 255, 255, .06); color: var(--muted); }
.tag.new { background: rgba(61, 220, 151, .16); color: var(--ok); }

.news { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.news article { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.news time { color: var(--muted); font-size: 13px; }
.news h3 { font-size: 16px; margin: 4px 0 6px; }
.news p { color: var(--muted); font-size: 14px; }

.page { padding: 48px 0 64px; max-width: 760px; }
.page h1 { font-size: 34px; margin-bottom: 14px; }
.page h2 { font-size: 20px; margin: 26px 0 8px; }
.page p, .page li { color: var(--muted); margin-bottom: 10px; }
.page ul { padding-left: 20px; }

.play { padding: 32px 0 56px; display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 28px; align-items: start; }
.stage { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.stage canvas { max-width: 100%; border-radius: 10px; background: #0b0c19; touch-action: none; }
.hud { display: flex; gap: 18px; color: var(--muted); font-size: 14px; }
.hud b { color: var(--text); font-size: 18px; }
.side { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; font-size: 14px; color: var(--muted); }
.side h2 { color: var(--text); font-size: 18px; margin-bottom: 8px; }
.side ul { padding-left: 18px; margin: 8px 0 14px; }
.crumbs { color: var(--muted); font-size: 14px; padding-top: 24px; }
.crumbs a:hover { color: var(--text); }

.board2048 { --n: 4; display: grid; grid-template-columns: repeat(var(--n), 1fr); gap: 10px; background: #2a2d58; padding: 10px; border-radius: 12px; width: min(420px, 86vw); aspect-ratio: 1; touch-action: none; }
.board2048 div { border-radius: 8px; background: rgba(255, 255, 255, .06); display: grid; place-items: center; font-weight: 800; font-size: clamp(18px, 4.6vw, 32px); color: #231a00; transition: background .12s; }
.memory { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; width: min(420px, 86vw); }
.memory button { aspect-ratio: 1; border-radius: 10px; border: 1px solid var(--line); background: var(--accent-2); color: transparent; font-size: clamp(22px, 6vw, 36px); cursor: pointer; transition: transform .2s, background .2s; }
.memory button.open, .memory button.done { background: var(--bg-2); color: var(--text); transform: rotateY(180deg); }
.memory button.done { opacity: .55; }

.foot { margin-top: auto; border-top: 1px solid var(--line); padding: 26px 0; color: var(--muted); font-size: 14px; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; }
.foot nav { display: flex; gap: 18px; }
.foot a:hover { color: var(--text); }

@media (max-width: 760px) {
  .nav { display: none; }
  .play { grid-template-columns: 1fr; }
  .stats { gap: 22px; }
}