:root {
  --bg: #10141a;
  --panel: #161c24;
  --fg: #e6ecf2;
  --muted: #9aa7b4;
  --accent: #4aa8ff;
  --line: #24303c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wrap { width: min(760px, 92vw); margin: 0 auto; }

header {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

header .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;
  padding: 18px 0;
}

.brand { color: var(--fg); font-weight: 600; text-decoration: none; letter-spacing: .2px; }
.brand span { color: var(--muted); font-weight: 400; }

nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: 14px; }
nav a:hover { color: var(--accent); }

main { padding: 40px 0 56px; }
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 20px; margin: 36px 0 10px; }
p { margin: 0 0 14px; color: var(--muted); }
.lead { color: var(--fg); font-size: 18px; }
a { color: var(--accent); }

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  padding: 18px 0;
}