:root {
  color-scheme: light dark;
  --paper: #FBF8F1;
  --ink: #1E2227;
  --muted: #5B616B;
  --rule: #E4DDCC;
  --dot: #E8E1D0;
  --card: #FFFDF8;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, "Bitstream Charter", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0E1116;
    --ink: #E7E2D7;
    --muted: #9AA0A8;
    --rule: #262B33;
    --dot: #1A1F26;
    --card: #141820;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper) radial-gradient(var(--dot) 1px, transparent 1px) 0 0 / 22px 22px;
  color: var(--ink);
  font: 1.0625rem/1.6 var(--sans);
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 64rem; margin: 0 auto; padding: 0 1.5rem; }

header.top { display: flex; justify-content: space-between; align-items: baseline; padding: 1.5rem 0; }
.brand { font: 700 1.25rem var(--serif); text-decoration: none; letter-spacing: .01em; }
header.top nav a { color: var(--muted); text-decoration: none; margin-left: 1.25rem; font-size: .95rem; }
header.top nav a:hover { color: var(--ink); }

.hero { padding: clamp(3rem, 10vw, 7rem) 0 clamp(2.5rem, 7vw, 4.5rem); }
.hero h1 { font: 700 clamp(2.5rem, 7vw, 4.25rem)/1.05 var(--serif); margin: 0 0 1.25rem; letter-spacing: -.01em; }
.hero p { font-size: clamp(1.1rem, 2.2vw, 1.3rem); color: var(--muted); max-width: 36rem; margin: 0; }

h2 { font: 700 1.5rem var(--serif); margin: 0 0 1.25rem; }
section { padding-bottom: clamp(3rem, 8vw, 5rem); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.card {
  --a: var(--accent);
  display: flex; flex-direction: column; height: 100%;
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--a);
  border-radius: 6px;
  padding: 1.25rem 1.25rem 1.1rem;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease;
}
@media (prefers-color-scheme: dark) { .card { --a: var(--accent-dark); } }
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgb(0 0 0 / .07); }
@media (prefers-reduced-motion: reduce) { .card { transition: none; } .card:hover { transform: none; } }
.tag { font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--a); }
.card h3 { font: 700 1.35rem/1.25 var(--serif); margin: .35rem 0 .5rem; }
.card p { margin: 0 0 1rem; color: var(--muted); font-size: .98rem; }
.card .meta { margin-top: auto; font: .8rem var(--mono); color: var(--muted); display: flex; justify-content: space-between; }
.card .meta span:last-child { color: var(--a); font-weight: 600; }

.how { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; list-style: none; padding: 0; margin: 0; }
.how strong { display: block; font: 700 1.1rem var(--serif); margin-bottom: .25rem; }
.how span { color: var(--muted); }

.about p { max-width: 38rem; margin: 0 0 1rem; }

footer { border-top: 1px solid var(--rule); padding: 1.5rem 0 2.5rem; color: var(--muted); font-size: .9rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; }

.notfound { padding: clamp(4rem, 15vw, 9rem) 0; }
.notfound h1 { font: 700 clamp(2rem, 6vw, 3.25rem) var(--serif); margin: 0 0 1rem; }
.notfound p { color: var(--muted); }