:root {
  --bg: #0f1419;
  --card: #1a222c;
  --text: #e8eef4;
  --muted: #9aabbc;
  --accent: #3d9cf0;
  --accent2: #2ecc9a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 1rem 1.25rem; }
.site-header {
  border-bottom: 1px solid #2a3542;
  background: #121820;
  position: sticky;
  top: 0;
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.brand { letter-spacing: 0.02em; }
nav { display: flex; flex-wrap: wrap; gap: 0.85rem; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: var(--text); }
.hero {
  margin: 2.5rem 0 2rem;
  padding: 1.75rem;
  background: linear-gradient(145deg, var(--card), #141b24);
  border-radius: 12px;
  border: 1px solid #2a3542;
}
.hero h1 { margin-top: 0; font-size: clamp(1.5rem, 3vw, 2rem); }
.hero p { color: var(--muted); max-width: 42rem; }
.cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.25rem; }
.btn {
  display: inline-block;
  padding: 0.65rem 1rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}
.btn.secondary { background: transparent; border: 1px solid #3a4a5c; color: var(--text); }
.note, .footer { color: var(--muted); font-size: 0.9rem; }
.card {
  background: var(--card);
  border: 1px solid #2a3542;
  border-radius: 10px;
  padding: 1.25rem;
  margin: 1rem 0;
}
h1, h2 { line-height: 1.25; }