:root {
  color-scheme: light dark;
  --bg: #f7f7f5;
  --fg: #1d1f21;
  --muted: #5d6470;
  --rule: #d9dad6;
  --accent: #1f5f8b;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181a;
    --fg: #e6e7e4;
    --muted: #9aa1ab;
    --rule: #2b2f33;
    --accent: #7fb3d5;
    --card: #1d2023;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.6rem 1.25rem 1rem;
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: inherit;
  text-decoration: none;
}

.mark { width: 26px; height: 26px; fill: var(--accent); }
.mark path { fill: var(--bg); }

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

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

h1 { font-size: 1.75rem; line-height: 1.25; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 .5rem; }

.lede { font-size: 1.05rem; color: var(--muted); }

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

.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  margin: 2rem 0 0;
}
.cards article {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: .6rem;
  padding: 1rem 1.1rem;
}
.cards h2 { margin-top: 0; }
.cards p { margin: 0; color: var(--muted); font-size: .95rem; }

.notes { padding-left: 1.1rem; }
.notes li { margin: .35rem 0; }
.notes time { color: var(--muted); font-variant-numeric: tabular-nums; }

.contact { margin-top: 2rem; color: var(--muted); }

footer {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.2rem 1.25rem 2.4rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: .85rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  justify-content: space-between;
}