:root {
  --bg: #0A0A0F;
  --surface: #16161F;
  --border: #2A2A3A;
  --text: #F0F0F5;
  --text-2: #A3A3B8;
  --accent: #4ECDC4;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 16px 64px;
}

header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

header img {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  flex: none;
}

h1 { font-size: 28px; line-height: 1.2; margin: 0; }
h2 { font-size: 19px; margin: 36px 0 8px; }
h3 { font-size: 16px; margin: 0 0 4px; }
p, ul { margin: 0 0 12px; color: var(--text-2); }
li { margin-bottom: 4px; }
strong { color: var(--text); }
a { color: var(--accent); }

.tagline { margin: 4px 0 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px 18px;
  margin-bottom: 10px;
}

.card p:last-child, .card ul:last-child { margin-bottom: 0; }

code {
  font: 14px ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--text);
  background: #1E1E2A;
  border-radius: 6px;
  padding: 1px 6px;
}

.links {
  columns: 2;
  column-gap: 16px;
  padding: 0;
  list-style: none;
}

.links li { break-inside: avoid; }

footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-2);
}

@media (max-width: 420px) {
  .links { columns: 1; }
}