/* OrbaLang marketing site — aligned with playground dark theme */

:root {
  --bg: #0a0e18;
  --bg-panel: #121829;
  --border: #263049;
  --text: #e8eef9;
  --text-dim: #93a0be;
  --accent: #5b9aff;
  --accent-soft: rgba(91, 154, 255, 0.15);
  --ok: #42d392;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(91, 154, 255, 0.14), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(66, 211, 146, 0.08), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #151d31 0%, var(--bg-panel) 100%);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand-orb {
  width: 22px; height: 22px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #b8d4ff, var(--accent) 55%, #1b3a75);
  box-shadow: 0 0 14px rgba(91, 154, 255, 0.6);
}
.brand em { font-style: normal; color: var(--text-dim); font-weight: 400; }
.nav { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.nav a, .btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  text-decoration: none;
}
.nav a:hover, .btn:hover { border-color: var(--accent); text-decoration: none; }
.btn-primary {
  background: linear-gradient(135deg, #3d7ee8, var(--accent));
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}

/* hero */
.hero { padding: 64px 0 48px; text-align: center; }
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.hero .lead {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 28px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tm { font-size: 0.65em; vertical-align: super; opacity: 0.85; }

/* sections */
section { padding: 48px 0; border-top: 1px solid var(--border); }
section h2 { font-size: 1.5rem; margin: 0 0 20px; }
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-dim); font-size: 0.95rem; }

.doctrine-banner {
  background: var(--accent-soft);
  border: 1px solid rgba(91, 154, 255, 0.35);
  border-radius: 12px;
  padding: 24px 28px;
  margin-bottom: 32px;
}
.doctrine-banner p { margin: 0; color: var(--text-dim); }
.doctrine-banner strong { color: var(--text); }

.domains {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.domains li {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.domains code {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ok);
}
.domains span { display: block; font-size: 0.85rem; color: var(--text-dim); margin-top: 4px; }

.compare { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.compare th, .compare td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}
.compare th { background: var(--bg-panel); }
.compare td { color: var(--text-dim); }

/* footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px 48px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.875rem;
}
.site-footer p { margin: 8px 0; }
.site-footer .tm-note { font-size: 0.8rem; opacity: 0.85; }

@media (max-width: 640px) {
  .site-header { flex-direction: column; align-items: flex-start; }
  .hero { padding-top: 40px; }
}