:root {
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --ink: #16181D;
  --soft: #4A4F5A;
  --faint: #8A8F99;
  --line: #E6E6E1;
  --accent: #2F5BEA;
  --accent-soft: #EAF0FF;
  --r: 14px;
  --max: 920px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0F1115;
    --surface: #171A20;
    --ink: #ECEDEF;
    --soft: #B3B7C0;
    --faint: #7C818C;
    --line: #262A33;
    --accent: #7C9CFF;
    --accent-soft: #1C2440;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 Inter, system-ui, -apple-system, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: var(--max); margin: 0 auto; padding: 16px 20px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
}
.brand { color: var(--ink); font-weight: 700; letter-spacing: -.01em; white-space: nowrap; }
.top nav { display: flex; gap: 18px; overflow-x: auto; }
.top nav a { color: var(--soft); font-size: 14px; font-weight: 500; white-space: nowrap; }
.top nav a:hover { color: var(--ink); text-decoration: none; }

main { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.hero { padding: 72px 0 40px; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .02em; }
.hero h1 { margin: 0; font-size: clamp(40px, 7vw, 64px); line-height: 1.05; letter-spacing: -.03em; }
.lead { max-width: 60ch; margin: 18px 0 0; color: var(--soft); font-size: 19px; }

.section { padding: 40px 0; border-top: 1px solid var(--line); }
.section h2 { margin: 0 0 20px; font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--faint); }
.section p { max-width: 65ch; color: var(--soft); }
.section h3 { margin: 0 0 6px; font-size: 18px; letter-spacing: -.01em; }

.pills, .tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.pills li { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font-size: 14px; }
.tags li { padding: 2px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 600; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.project {
  display: flex; flex-direction: column; gap: 10px;
  padding: 22px; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface);
  transition: transform .15s ease, border-color .15s ease;
}
.project:hover { transform: translateY(-2px); border-color: var(--accent); }
.project p { margin: 0; }
.links { display: flex; gap: 14px; margin-top: auto; font-size: 14px; font-weight: 600; }

.timeline { margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 14px 0; }
.timeline li + li { border-top: 1px dashed var(--line); }
.when { color: var(--faint); font-size: 14px; padding-top: 2px; }
.org { color: var(--soft); font-weight: 500; }
.timeline p { margin: 0; }

.contact { display: flex; flex-wrap: wrap; gap: 20px; font-weight: 600; }

.foot { max-width: var(--max); margin: 40px auto 0; padding: 24px 20px 40px; border-top: 1px solid var(--line); color: var(--faint); font-size: 14px; }

@media (max-width: 600px) {
  .top { padding: 12px 16px; }
  .top nav { display: none; }
  main { padding: 0 16px; }
  .hero { padding: 48px 0 28px; }
  .timeline li { grid-template-columns: 1fr; gap: 2px; }
}