:root {
  color-scheme: light;
  --ink: #1c2430;
  --muted: #5c6570;
  --line: #d9d4c8;
  --paper: #f6f4ef;
  --card: #fffdf8;
  --accent: #2f5d62;
  --accent-2: #24484c;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 8% -10%, rgba(47, 93, 98, 0.08), transparent 55%),
    var(--paper);
  line-height: 1.55;
}
code, .mono, nav, .btn, .meta, footer {
  font-family: "Segoe UI", "PT Sans", "Helvetica Neue", sans-serif;
}
a { color: var(--accent); text-underline-offset: 0.15em; }
a:hover { color: var(--accent-2); }
.wrap { width: min(52rem, calc(100% - 2rem)); margin: 0 auto; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0 0.9rem;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}
.brand img { width: 36px; height: 36px; }
.brand span { font-weight: 650; letter-spacing: 0.02em; }
nav { display: flex; flex-wrap: wrap; gap: 0.3rem 1rem; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); }
main { padding: 2.4rem 0 3rem; }
h1 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
h2 {
  margin: 2rem 0 0.6rem;
  font-size: 1.2rem;
  font-weight: 650;
}
.lede { font-size: 1.12rem; color: var(--muted); max-width: 38rem; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 0.9rem;
  margin-top: 1.8rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.15rem 1.2rem;
}
.card h2 { margin: 0 0 0.4rem; font-size: 1.02rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.note {
  margin-top: 2rem;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--accent);
  background: rgba(47, 93, 98, 0.06);
}
.meta { color: var(--muted); font-size: 0.92rem; }
.btn {
  display: inline-block;
  margin-top: 1.2rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: var(--accent);
  color: #f7f4ee;
  text-decoration: none;
}
.btn:hover { background: var(--accent-2); color: #fff; }
footer {
  border-top: 1px solid var(--line);
  padding: 1.1rem 0 1.6rem;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.2rem;
}
footer a { color: inherit; }
@media (max-width: 640px) {
  .site-header { flex-direction: column; align-items: flex-start; }
}