:root {
  --bg: #fafafa;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --accent: #0a66c2;
  --border: #e5e5ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161618;
    --card: #1f1f22;
    --text: #f5f5f7;
    --muted: #98989d;
    --accent: #64a8ff;
    --border: #333336;
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

header.site {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

header.site .logo {
  font-size: 2rem;
  line-height: 1;
}

header.site .name {
  font-size: 1.1rem;
  font-weight: 600;
}

header.site nav {
  margin-left: auto;
  display: flex;
  gap: 1.25rem;
}

header.site nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

header.site nav a:hover,
header.site nav a[aria-current="page"] {
  color: var(--accent);
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2.25rem 0 0.6rem;
}

p, ul {
  margin-bottom: 0.9rem;
}

ul {
  padding-left: 1.3rem;
}

li {
  margin-bottom: 0.35rem;
}

a {
  color: var(--accent);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.contact {
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1.25rem;
  background: var(--card);
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
}

footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}