:root {
  color-scheme: dark;
  --bg: #0b1220;
  --bg-elevated: #121a2b;
  --text: #e8edf7;
  --muted: #9aa8c0;
  --accent: #6b8cff;
  --border: #243049;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at top, #1a2744 0%, var(--bg) 45%);
  color: var(--text);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 0 28px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
  color: var(--muted);
}

.site-nav a {
  color: var(--muted);
}

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

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 56px 12px 40px;
}

.hero-logo {
  width: min(320px, 78vw);
  height: auto;
  margin-bottom: 28px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
}

.hero p {
  margin: 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 1.05rem;
}

.coming-soon {
  margin-top: 28px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.03);
}

.doc {
  padding: 8px 0 24px;
}

.doc h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.doc .updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.doc h2 {
  margin: 28px 0 10px;
  font-size: 1.15rem;
}

.doc p,
.doc li {
  color: #c9d4e8;
}

.doc ul {
  padding-left: 1.2rem;
}

.site-footer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  justify-content: space-between;
}

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

  .site-nav {
    flex-wrap: wrap;
  }
}