:root {
  --bg: #091223;
  --panel: #111d33;
  --text: #e8f1ff;
  --muted: #b4c3df;
  --accent: #3b82f6;
  --accent-2: #22c55e;
  --line: #2a3b5a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, #08101d, var(--bg));
  color: var(--text);
}

.site-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 16, 29, 0.92);
  backdrop-filter: blur(6px);
}

.header-logo { height: 44px; width: auto; }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1rem;
  font-weight: 600;
}
nav a:hover { color: #fff; }

main { max-width: 1080px; margin: 0 auto; padding: 2rem 1rem 3rem; }

.hero {
  background: radial-gradient(circle at 20% 0%, #132447 0%, #0f1d35 45%, #0b1730 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem;
}

.hero-brand { max-width: 420px; width: 100%; height: auto; margin-bottom: 1rem; }
.hero h1 { margin-top: 0.2rem; margin-bottom: 0.7rem; font-size: clamp(1.45rem, 2.6vw, 2.2rem); }
.hero p { color: var(--muted); max-width: 72ch; }

.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.2rem; }
.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 10px;
  padding: 0.72rem 1rem;
  font-weight: 700;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2f6fe0; }
.btn-secondary {
  background: transparent;
  border: 1px solid #395992;
  color: #d3e1fb;
}
.btn-secondary:hover { border-color: #567cc0; color: #fff; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
}
.card h2 { margin-top: 0; font-size: 1.05rem; }
.card p { color: var(--muted); margin-bottom: 0; }

.panel {
  margin-top: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.2rem;
}
.panel p, .panel li { color: var(--muted); }
.panel code { color: #cce6ff; }
.muted { border-color: #2b4c76; }

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  padding: 1.4rem 1rem 2rem;
  text-align: center;
  color: var(--muted);
}
.wordmark { max-width: 280px; width: 100%; height: auto; margin-bottom: 0.4rem; }