:root {
  --bg: #0f1724;
  --panel: #111a2c;
  --card: #141f33;
  --accent: #7ee0c5;
  --accent-2: #68b4ff;
  --text: #e9f1f5;
  --muted: #9ab1c5;
  --radius: 16px;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(126,224,197,0.05), transparent 30%),
              radial-gradient(circle at 80% 0%, rgba(104,180,255,0.06), transparent 32%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }
.shell { max-width: 1200px; margin: 0 auto; padding: 28px 24px 64px; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px; position: sticky; top: 0; padding: 12px 0;
  backdrop-filter: blur(10px);
}
.brand { font-weight: 800; letter-spacing: 0.02em; font-size: 18px; }
.nav { display: flex; gap: 14px; flex-wrap: wrap; }
.nav a {
  padding: 8px 12px; border-radius: 12px; color: var(--text);
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.05);
}
.nav a.active { background: rgba(126,224,197,0.14); color: var(--accent); }
.hero {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 24px;
  margin-bottom: 18px;
}
.hero h1 { margin: 0 0 8px; }
.hero p { margin: 0 0 12px; color: var(--muted); }
.pill {
  display: inline-flex; padding: 8px 12px; border-radius: 999px;
  background: rgba(126,224,197,0.14); color: var(--accent);
  font-weight: 700; font-size: 13px; margin: 0 8px 8px 0;
}
.grid { display: grid; gap: 14px; }
.grid.cards { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.muted { color: var(--muted); }
.cta-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 16px; border-radius: 12px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0b111d; font-weight: 800; border: none; cursor: pointer;
  box-shadow: 0 10px 30px rgba(104,180,255,0.25); text-decoration: none;
}
.section-title { margin: 0 0 10px; }
.sidebar-layout {
  display: grid; gap: 16px; grid-template-columns: 260px 1fr;
}
.sidebar {
  position: sticky; top: 72px; align-self: start;
  background: var(--panel); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow);
}
.sidebar a { display: block; margin: 6px 0; color: var(--muted); }
.sidebar a:hover { color: var(--accent); }
.api-endpoint {
  border-left: 3px solid var(--accent); padding-left: 12px; margin: 0 0 12px;
}
.badge {
  display: inline-flex; padding: 6px 10px; border-radius: 10px;
  background: rgba(104,180,255,0.16); color: var(--accent-2);
  font-weight: 700; font-size: 12px;
}
.price { font-weight: 900; color: var(--accent); font-size: 18px; }
.footer {
  margin-top: 32px;
  padding: 22px 0 10px;
  color: var(--muted);
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
}
.footer a { color: var(--accent); }
.footer a:hover { color: var(--accent-2); }
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0 0;
}
.chip {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text);
  box-shadow: 0 8px 20px rgba(0,0,0,0.18);
  font-weight: 600;
  font-size: 14px;
}