:root {
  --bg: #f6f5ef;
  --text: #222;
  --muted: #666;
  --link: #2f5f8f;
  --border: #ddd8cc;
  --card: #fffdf8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 20px 40px;
}

.hero {
  margin-bottom: 2rem;
}

.kicker {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}

h1 {
  margin: 0 0 0.35rem;
  font-size: 2.5rem;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.card {
  margin-top: 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.mini {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.mini:first-child {
  border-top: 0;
  padding-top: 0;
}

.mini h2 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.mini p {
  margin: 0;
  color: var(--muted);
}

code {
  font-family: Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

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

a:hover {
  text-decoration: underline;
}

footer {
  margin-top: 32px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 640px) {
  main {
    padding-top: 36px;
  }

  .card {
    padding: 18px;
  }
}