:root {
  --bg: #0d1020;
  --bg-2: #151a33;
  --card: #1a2040;
  --text: #e9ecf8;
  --muted: #a3abcc;
  --accent: #f4d58d;
  --line: #2a3160;
  --max: 880px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #222a55 0%, var(--bg) 60%) fixed, var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); }
a:hover { opacity: .85; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--line);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px; gap: 16px; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .3px;
}
.brand svg { width: 30px; height: 30px; }
nav a {
  color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 15px;
}
nav a:first-child { margin-left: 0; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }

main { flex: 1; padding: 56px 0 72px; }

.hero h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.1; margin: 0 0 16px; }
.hero p { font-size: 19px; color: var(--muted); max-width: 600px; margin: 0; }

h2 { font-size: 24px; margin: 56px 0 16px; }
h3 { font-size: 18px; margin: 28px 0 8px; }

.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 22px;
}
.card h3 { margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.tag {
  display: inline-block; font-size: 12px; font-weight: 600;
  color: var(--accent); border: 1px solid var(--accent);
  border-radius: 999px; padding: 2px 10px; margin-bottom: 12px;
}

.doc h1 { font-size: clamp(28px, 5vw, 40px); margin: 0 0 6px; }
.doc .meta { color: var(--muted); margin: 0 0 32px; }
.doc p, .doc li { color: #d3d8ee; }

.contact-box {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 22px; margin: 24px 0;
}
.contact-box a { font-size: 18px; font-weight: 600; }

footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer.site .wrap {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding-top: 22px; padding-bottom: 22px;
}
footer.site a { color: var(--muted); text-decoration: none; margin-left: 16px; }
footer.site a:first-child { margin-left: 0; }
footer.site a:hover { color: var(--text); }