:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --panel: #0f1720;
  --text: #e6edf3;
  --muted: #9fb1c1;
  --border: #233041;
  --link: #7dd3fc;
  --accent: #34d399;
  --danger: #fb7185;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  background: radial-gradient(1200px 600px at 15% 10%, #0b1a2a 0%, var(--bg) 60%);
  color: var(--text);
  line-height: 1.55;
}

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

.container {
  max-width: 980px;
  padding: 0 20px;
  margin: 0 auto;
}

.nav {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 15, 20, 0.75);
  backdrop-filter: blur(10px);
}

.nav-inner {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}
.brand-logo {
  display: block;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 32, 0.6);
  padding: 3px;
  box-sizing: border-box;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand strong {
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.brand-text span {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  background: rgba(15, 23, 32, 0.6);
}

.hero {
  padding: 48px 0 24px;
}

.hero h1 {
  font-size: 2.4rem;
  line-height: 1.15;
  margin: 14px 0 10px;
}

.hero p {
  color: var(--muted);
  margin: 0 0 18px;
  font-size: 1.1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(15, 23, 32, 0.6);
  padding: 16px;
}

.card h3 {
  margin: 6px 0 8px;
}

.col-6 {
  grid-column: span 6;
}
.col-12 {
  grid-column: span 12;
}

@media (max-width: 880px) {
  .col-6 {
    grid-column: span 12;
  }
  .hero h1 {
    font-size: 2.0rem;
  }
}

.cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 32, 0.8);
  color: var(--text);
  font-weight: 600;
}
.btn:hover {
  text-decoration: none;
  border-color: rgba(125, 211, 252, 0.6);
}
.btn.primary {
  background: linear-gradient(180deg, rgba(52, 211, 153, 0.25), rgba(52, 211, 153, 0.08));
  border-color: rgba(52, 211, 153, 0.5);
}

.footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 24px 0 40px;
  color: var(--muted);
}

.prose h2,
.prose h3 {
  margin-top: 28px;
}

.prose code {
  font-family: var(--mono);
  font-size: 0.95em;
  background: rgba(15, 23, 32, 0.9);
  border: 1px solid var(--border);
  padding: 0.15em 0.35em;
  border-radius: 8px;
}