:root {
  color-scheme: dark;
  --bg: #0e1116;
  --surface: #161b22;
  --border: #262d36;
  --text: #e6edf3;
  --muted: #b6bfc9;
  --faint: #8d96a0;
  --accent: #ffb627;
  --link: #6ea8fe;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

header.brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  margin-bottom: 2rem;
}

header.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

header.brand a {
  color: var(--text);
  font-weight: 600;
  font-size: 1.05rem;
}

h1 { font-size: 1.7rem; line-height: 1.25; margin: 0 0 .35rem; }
h2 { font-size: 1.15rem; margin: 2.2rem 0 .5rem; }

p, li { color: var(--muted); }
ul { padding-left: 1.25rem; }
li { margin: .3rem 0; }
strong { color: var(--text); font-weight: 600; }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.muted { color: var(--faint); font-size: .875rem; }

.cards {
  display: grid;
  gap: .75rem;
  margin: 1.75rem 0;
}

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.15rem;
  color: var(--text);
}

.card:hover { border-color: var(--accent); text-decoration: none; }
.card span { display: block; color: var(--faint); font-size: .875rem; }

footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}