:root {
  --bg: #fbfaf8;
  --fg: #1d1d1f;
  --muted: #5d5d63;
  --line: #e4e1dc;
  --accent: #c8102e;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141416;
    --fg: #ececee;
    --muted: #a3a3aa;
    --line: #2c2c31;
    --accent: #ff4d5e;
    --card: #1c1c20;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 860px; margin: 0 auto; padding: 56px 20px 24px; }
a { color: var(--accent); }

.hero { display: flex; gap: 40px; align-items: center; margin-bottom: 56px; }
.portrait {
  width: 220px; height: auto; flex-shrink: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 6px var(--card), 0 0 0 7px var(--line);
}
h1 { font-size: 2.6rem; line-height: 1.1; margin: 0 0 6px; letter-spacing: -0.02em; }
.tagline { color: var(--muted); margin: 0 0 16px; }
.summary { margin: 0 0 24px; }

.links { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block; padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--card);
  color: var(--fg); text-decoration: none; font-size: 0.95rem;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

section { margin-bottom: 48px; }
h2 {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--muted); border-bottom: 1px solid var(--line);
  padding-bottom: 8px; margin: 0 0 20px;
}

.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 6px; padding: 4px 12px; font-size: 0.92rem;
}

.when { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 0.92rem; padding-top: 2px; }

footer { text-align: center; color: var(--muted); font-size: 0.85rem; padding: 24px 16px 40px; }

@media (max-width: 640px) {
  main { padding-top: 32px; padding-left: 16px; padding-right: 16px; }
  .hero { flex-direction: column; text-align: center; gap: 24px; }
  .links { justify-content: center; }
  .portrait { width: 180px; }
  h1 { font-size: 2.1rem; }
}

.video { position: relative; aspect-ratio: 16 / 9; margin: 16px auto 0; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; border-radius: 8px; }

.cards { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.cards a {
  display: block; height: 100%; padding: 16px 18px; border-radius: 10px;
  background: var(--card); border: 1px solid var(--line);
  color: var(--fg); text-decoration: none;
}
.cards a:hover { border-color: var(--accent); }
.cards b { display: block; color: var(--accent); margin-bottom: 4px; }
.cards span { color: var(--muted); font-size: 0.92rem; }

.back { margin: 0 0 24px; font-size: 0.95rem; }
.back a { text-decoration: none; }
.lede { color: var(--muted); margin: 0 0 24px; }

.plist { list-style: none; padding: 0; margin: 0 0 16px; }
.plist li { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.plist li:last-child { border-bottom: 0; }
.plist .num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.plist .note { color: var(--muted); font-size: 0.9rem; }
.pubs p { margin: 2px 0 0; color: var(--muted); font-size: 0.95rem; }

@media (max-width: 640px) {
  .plist li { grid-template-columns: 1fr; gap: 2px; }
}

.project { margin-bottom: 40px; }
.project h2 {
  font-size: 1.2rem; text-transform: none; letter-spacing: 0; color: var(--fg);
  border-bottom: 0; padding-bottom: 0; margin: 0 0 8px;
}
.project p { margin: 0 0 10px; }
.project ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 0.95rem; }
.project li { margin-bottom: 4px; }