:root {
  color-scheme: light dark;
  --bg: #fbfaf8;
  --surface: #ffffff;
  --text: #23201d;
  --muted: #6f6862;
  --line: #e6e1da;
  --accent: #9a5b34;
  --accent-soft: #f3e9e1;
  --radius: 14px;
  --maxw: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17161a;
    --surface: #1f1e23;
    --text: #e8e4de;
    --muted: #9b948c;
    --line: #302e35;
    --accent: #d99a6c;
    --accent-soft: #2a2229;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* ── Header ─────────────────────────────────────────── */
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-top: 1.1rem; padding-bottom: 1.1rem;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex; align-items: center; gap: .6rem;
  font-weight: 650; letter-spacing: -.01em; font-size: 1.05rem;
  text-decoration: none; color: var(--text);
}
.brand svg { flex: none; }
nav.site a {
  color: var(--muted); text-decoration: none; margin-left: 1.25rem;
  font-size: .95rem;
}
nav.site a:hover, nav.site a[aria-current="page"] { color: var(--accent); }

/* ── Hero ───────────────────────────────────────────── */
.hero { padding: 3.5rem 0 2.5rem; }
.hero h1 {
  font-size: clamp(1.9rem, 5vw, 2.6rem); line-height: 1.15;
  letter-spacing: -.025em; margin: 0 0 .9rem; font-weight: 680;
}
.hero p { color: var(--muted); font-size: 1.1rem; margin: 0; max-width: 34rem; }

/* ── Notes list ─────────────────────────────────────── */
section { padding: 1rem 0 3.5rem; }
h2.section {
  font-size: .82rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--muted); font-weight: 600; margin: 0 0 1.1rem;
}
ul.notes { list-style: none; margin: 0; padding: 0; }
ul.notes li { border-top: 1px solid var(--line); }
ul.notes li:last-child { border-bottom: 1px solid var(--line); }
ul.notes a {
  display: flex; gap: 1rem; align-items: baseline; justify-content: space-between;
  padding: 1.05rem .25rem; text-decoration: none; color: var(--text);
  flex-wrap: wrap;
}
ul.notes a:hover { color: var(--accent); }
ul.notes .t { font-weight: 560; }
ul.notes .d { color: var(--muted); font-size: .88rem; font-variant-numeric: tabular-nums; flex: none; }
ul.notes .x { flex-basis: 100%; color: var(--muted); font-size: .95rem; margin-top: .2rem; }

/* ── Article ────────────────────────────────────────── */
article { padding: 3rem 0 3.5rem; }
article h1 {
  font-size: clamp(1.6rem, 4.5vw, 2.1rem); line-height: 1.2;
  letter-spacing: -.02em; margin: 0 0 .5rem; font-weight: 680;
}
article .meta { color: var(--muted); font-size: .9rem; margin: 0 0 2rem; }
article p { margin: 0 0 1.25rem; }
article h3 { font-size: 1.1rem; margin: 2rem 0 .75rem; letter-spacing: -.01em; }
article blockquote {
  margin: 1.75rem 0; padding: .9rem 1.25rem;
  background: var(--accent-soft); border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0; color: var(--text);
}
article blockquote p:last-child { margin: 0; }
article ul { padding-left: 1.2rem; margin: 0 0 1.25rem; }
article li { margin-bottom: .45rem; }
a.back {
  display: inline-block; margin-top: 1rem; color: var(--muted);
  text-decoration: none; font-size: .95rem;
}
a.back:hover { color: var(--accent); }

/* ── Cards ──────────────────────────────────────────── */
.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.15rem 1.25rem;
}
.card h3 { margin: 0 0 .4rem; font-size: 1rem; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: .93rem; }

/* ── Footer ─────────────────────────────────────────── */
footer.site {
  border-top: 1px solid var(--line); color: var(--muted);
  font-size: .88rem; padding: 1.75rem 0 2.5rem;
}
footer.site .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
footer.site a { color: var(--muted); }