:root {
  --bg: #f6f3ee;
  --bg-raised: #fffdfa;
  --ink: #1b1f26;
  --ink-2: #4a505a;
  --ink-3: #7a8089;
  --line: #e2ddd4;
  --accent: #b5561f;
  --accent-ink: #8f4216;
  --accent-soft: #f4e4d6;
  --shadow: 0 1px 2px rgba(27, 31, 38, .06), 0 8px 24px -12px rgba(27, 31, 38, .18);

  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, "URW Palladio L", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --measure: 68ch;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181f;
    --bg-raised: #1b2029;
    --ink: #ebe7e0;
    --ink-2: #b6b1a8;
    --ink-3: #7f7b74;
    --line: #2b313b;
    --accent: #e08a4f;
    --accent-ink: #f0a672;
    --accent-soft: #33261c;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .6);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  padding-inline: var(--gutter);
  padding-bottom: env(safe-area-inset-bottom, 0);
  text-rendering: optimizeLegibility;
}

a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: .15em; }
a:hover { color: var(--accent); }
a:focus-visible, .brand:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.15; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #fff; padding: .5rem 1rem; z-index: 10;
}
.skip:focus { left: var(--gutter); }

/* Header */
.site-header {
  max-width: 72rem; margin: 0 auto;
  padding-block: 1.25rem;
  padding-top: calc(1.25rem + env(safe-area-inset-top, 0));
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.brand {
  font-family: var(--serif); font-size: 1.25rem; font-weight: 600; letter-spacing: .04em;
  color: var(--ink); text-decoration: none;
  border: 1.5px solid var(--ink); padding: .15rem .5rem; border-radius: 4px;
}
.site-header nav { display: flex; gap: clamp(.75rem, 2.5vw, 1.5rem); flex-wrap: wrap; }
.site-header nav a { color: var(--ink-2); text-decoration: none; font-size: .95rem; }
.site-header nav a:hover { color: var(--ink); }

/* Layout */
main { max-width: 72rem; margin: 0 auto; }
.section { padding-block: clamp(2.5rem, 7vw, 5rem); border-top: 1px solid var(--line); }
.section-head { margin-bottom: clamp(1.25rem, 3vw, 2rem); }
.section-head h2 { font-size: clamp(1.6rem, 3.2vw, 2.25rem); }
.section-sub { color: var(--ink-2); margin-top: .5rem; max-width: var(--measure); }

.prose { max-width: var(--measure); }
.prose p + p { margin-top: 1.1em; }
.two-col { max-width: none; column-gap: 3rem; }
@media (min-width: 60rem) {
  .two-col { columns: 2; }
  .two-col p { break-inside: avoid; }
}
.muted { color: var(--ink-3); }

/* Hero */
.hero {
  display: grid; gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding-block: clamp(2rem, 6vw, 5rem);
}
@media (min-width: 52rem) {
  .hero { grid-template-columns: 7fr 5fr; }
}
.eyebrow {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent-ink); margin-bottom: 1rem;
}
.hero h1 { font-size: clamp(2.6rem, 7vw, 4.75rem); letter-spacing: -.02em; }
.lede { font-family: var(--serif); font-size: clamp(1.35rem, 2.6vw, 1.85rem); font-style: italic; color: var(--ink-2); margin-top: .75rem; }
.intro { margin-top: 1.5rem; max-width: 60ch; font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--ink-2); }
.links { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1.75rem; }
.links a {
  display: inline-block; text-decoration: none;
  border: 1px solid var(--line); background: var(--bg-raised);
  padding: .5rem 1rem; border-radius: 999px; color: var(--ink);
  font-size: .95rem;
}
.links a:hover { border-color: var(--accent); color: var(--accent-ink); }

.portrait { margin: 0; justify-self: center; width: min(100%, 26rem); }
.portrait img {
  display: block; width: 100%; height: auto; border-radius: 1rem;
  box-shadow: var(--shadow);
  aspect-ratio: 1 / 1; object-fit: cover;
}
.portrait figcaption { text-align: center; color: var(--ink-3); font-size: .9rem; margin-top: .75rem; font-style: italic; font-family: var(--serif); }

/* Cards */
.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.work, .repos { grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
.cards > li {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: .75rem;
  padding: 1.25rem 1.35rem;
  display: flex; flex-direction: column; gap: .5rem;
}
.cards h3 { font-size: 1.2rem; }
.cards p { color: var(--ink-2); font-size: .98rem; }
.tag {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent-ink); order: -1;
}
.principles { counter-reset: p; }
.principles > li { position: relative; padding-top: 1.35rem; }
.principles > li::before {
  counter-increment: p; content: "0" counter(p);
  font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; color: var(--ink-3);
  position: absolute; top: .9rem; right: 1.1rem;
}
.repos h3 { font-family: var(--mono); font-weight: 600; font-size: 1rem; }
.repos h3 a { text-decoration: none; color: var(--ink); }
.repos h3 a:hover { color: var(--accent-ink); text-decoration: underline; }

/* Timeline */
.timeline { display: grid; gap: 2rem; }
.timeline > li { display: grid; gap: .5rem 2rem; }
@media (min-width: 48rem) {
  .timeline > li { grid-template-columns: 9rem 1fr; }
}
.when { font-family: var(--mono); font-size: .85rem; color: var(--ink-3); padding-top: .3rem; }
.what h3 { font-size: 1.35rem; }
.where { font-family: var(--sans); font-weight: 400; font-size: .95rem; color: var(--ink-3); margin-left: .5rem; }
.roles { margin: .5rem 0 .75rem; display: grid; gap: .15rem; }
.roles li { font-size: .98rem; }
.dates { color: var(--ink-3); font-size: .9rem; margin-left: .35rem; }
.what p { color: var(--ink-2); max-width: var(--measure); }

/* Footer */
.site-footer {
  max-width: 72rem; margin: 0 auto; border-top: 1px solid var(--line);
  padding-block: 1.5rem 2.5rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  color: var(--ink-3); font-size: .9rem;
}
.site-footer a { color: var(--ink-3); }