:root {
  --bg: #0a0a14;
  --bg-2: #101022;
  --card: #151530;
  --card-hover: #1b1b3a;
  --border: #252545;
  --text: #e6e6f0;
  --text-dim: #9a9ab5;
  --accent: #7c5cff;
  --accent-2: #4fd1c5;
  --live: #35d07f;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
  background: rgba(10,10,20,0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 8px; font-weight: 700; font-size: 15px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a0a14; letter-spacing: -0.5px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 700; font-size: 16px; }
.brand-sub { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--accent-2); text-transform: uppercase; letter-spacing: 2px; }
.nav { display: flex; gap: 24px; }
.nav a { color: var(--text-dim); font-size: 15px; font-weight: 500; transition: color 0.2s; }
.nav a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 96px 32px 64px;
  max-width: 960px; margin: 0 auto;
  text-align: center;
}
.hero-tag {
  font-family: 'JetBrains Mono', monospace; font-size: 13px;
  color: var(--accent-2); text-transform: uppercase; letter-spacing: 3px;
  margin-bottom: 16px;
}
.hero-title { font-size: clamp(40px, 7vw, 72px); font-weight: 700; letter-spacing: -1px; line-height: 1.05; }
.hero-title span { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-copy { color: var(--text-dim); font-size: 18px; max-width: 560px; margin: 20px auto 0; }
.hero-cta { display: flex; gap: 14px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 10px;
  font-weight: 700; font-size: 15px; transition: transform 0.15s, box-shadow 0.15s;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0a0a14; }
.btn-primary:hover { box-shadow: 0 6px 24px rgba(124,92,255,0.4); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); }

/* Sections */
.section { max-width: 1080px; margin: 0 auto; padding: 48px 32px; }
.section-head { margin-bottom: 28px; }
.section-head h2 { font-size: 30px; font-weight: 700; letter-spacing: -0.5px; }
.section-head p { color: var(--text-dim); margin-top: 4px; }

/* Grid + cards */
.grid { display: grid; gap: 20px; }
.grid.feature { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid.arcade { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }

.card {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: transform 0.18s, border-color 0.18s, background 0.18s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); background: var(--card-hover); }

.card-art {
  height: 140px; display: flex; align-items: center; justify-content: center;
  font-size: 44px; font-weight: 700; letter-spacing: 1px; color: rgba(255,255,255,0.85);
}
.card-body { padding: 20px; }
.card-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.card-body p { color: var(--text-dim); font-size: 15px; }

.card-mini { align-items: center; text-align: center; }
.card-mini .card-body { padding: 22px 16px; }
.card-mini h3 { font-size: 17px; }

.tags { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.tag {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  padding: 4px 10px; border-radius: 99px;
  background: var(--bg-2); color: var(--text-dim); border: 1px solid var(--border);
}
.tag-live { color: var(--live); border-color: rgba(53,208,127,0.35); background: rgba(53,208,127,0.08); }

/* About */
.about-copy { color: var(--text-dim); font-size: 16px; max-width: 640px; }

/* Footer */
.site-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 28px 32px; border-top: 1px solid var(--border);
  color: var(--text-dim); font-size: 14px;
}
.site-footer a:hover { color: var(--text); }

@media (max-width: 640px) {
  .site-header { padding: 14px 18px; }
  .nav { gap: 16px; }
  .hero { padding: 64px 18px 48px; }
  .section { padding: 36px 18px; }
  .grid.feature { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; gap: 8px; padding: 22px 18px; }
}