:root {
  --bg: #fafaf8;
  --fg: #1d1d1f;
  --muted: #5f6368;
  --accent: #1f5f8b;
  --line: #e2e2dd;
  --card: #ffffff;
  --max: 46rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121315;
    --fg: #e8e8e6;
    --muted: #a3a6ab;
    --accent: #7cb7e0;
    --line: #2a2c30;
    --card: #1a1b1e;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1rem;
}

header.site {
  border-bottom: 1px solid var(--line);
}

header.site .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

.brand {
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
}

.brand span { color: var(--muted); font-weight: 400; }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1rem;
}

nav a:hover, nav a:focus-visible { color: var(--accent); }

main { padding: 2.5rem 0 3rem; }

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.25rem;
  margin: 2.5rem 0 0.75rem;
}

h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.25rem;
}

p { margin: 0 0 1rem; }

.lead { font-size: 1.15rem; color: var(--muted); }

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

.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .cards { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.1rem 1.2rem;
}

.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); }

.contact dt { font-weight: 600; }
.contact dd { margin: 0 0 0.75rem; }

footer.site {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding-top: 1.25rem;
  padding-bottom: 1.5rem;
}

footer.site a { color: var(--muted); }

.placeholder {
  background: #fff3c4;
  color: #5a4500;
  padding: 0 0.25rem;
  border-radius: 3px;
}