:root {
  --bg: #070a12;
  --bg2: #0b1020;
  --fg: #e8ecff;
  --muted: rgba(232, 236, 255, 0.72);
  --border: rgba(232, 236, 255, 0.14);
  --card: rgba(255, 255, 255, 0.04);
  --accent: #7c5cff;
  --accent2: #30cfff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --max: 1100px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(1200px 500px at 20% -10%, rgba(124, 92, 255, 0.28), transparent 55%), radial-gradient(900px 450px at 90% 0%, rgba(48, 207, 255, 0.22), transparent 55%), linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.45;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(7, 10, 18, 0.72);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.nav {
  display: flex;
  gap: 14px;
  align-items: center;
}

.nav a {
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
}

.nav a:hover {
  text-decoration: none;
  color: var(--fg);
  background: rgba(255, 255, 255, 0.05);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--fg);
}

.button.primary {
  border-color: rgba(124, 92, 255, 0.55);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.9), rgba(48, 207, 255, 0.75));
  box-shadow: 0 18px 55px rgba(124, 92, 255, 0.22);
}

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.hero {
  padding: 72px 0 44px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items: start;
}

.hero h1 {
  font-size: clamp(34px, 4vw, 54px);
  margin: 0 0 12px;
  line-height: 1.05;
}

.hero p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 16px;
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 14px;
  color: rgba(232, 236, 255, 0.88);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.kv {
  display: grid;
  gap: 10px;
}

.kv-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid rgba(232, 236, 255, 0.08);
}

.kv-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.kv-key {
  color: rgba(232, 236, 255, 0.65);
}

.kv-val {
  color: rgba(232, 236, 255, 0.92);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.section {
  padding: 38px 0;
}

.section h2 {
  font-size: 20px;
  margin: 0 0 14px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.muted {
  color: var(--muted);
}

.site-footer {
  padding: 26px 0 40px;
  border-top: 1px solid var(--border);
  color: rgba(232, 236, 255, 0.6);
}

.doc-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 18px;
  padding: 34px 0 60px;
}

.doc-nav {
  position: sticky;
  top: 74px;
  align-self: start;
}

.doc-nav a {
  display: block;
  padding: 8px 10px;
  border-radius: 12px;
  color: rgba(232, 236, 255, 0.75);
}

.doc-nav a:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(232, 236, 255, 0.95);
}

.doc h1 {
  margin: 0 0 10px;
  font-size: 34px;
}

.doc h2 {
  margin: 26px 0 10px;
  font-size: 18px;
}

.doc h3 {
  margin: 18px 0 8px;
  font-size: 15px;
  color: rgba(232, 236, 255, 0.9);
}

.doc p, .doc li {
  color: rgba(232, 236, 255, 0.78);
}

.code {
  border: 1px solid rgba(232, 236, 255, 0.12);
  background: rgba(0, 0, 0, 0.25);
  padding: 12px;
  border-radius: 14px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12.5px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid rgba(232, 236, 255, 0.12);
  border-radius: 14px;
  overflow: hidden;
}

.table th, .table td {
  padding: 10px;
  border-top: 1px solid rgba(232, 236, 255, 0.1);
  text-align: left;
}

.table th {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(232, 236, 255, 0.75);
  background: rgba(255, 255, 255, 0.03);
}

.badge {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid rgba(232, 236, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(232, 236, 255, 0.85);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .doc-layout {
    grid-template-columns: 1fr;
  }
  .doc-nav {
    position: relative;
    top: auto;
  }
  .kv-row {
    grid-template-columns: 1fr;
  }
}