/* ---------- Tokens ---------- */
:root {
  --bg: #f6f1e6;
  --ink: #211d17;
  --ink-soft: #5c5644;
  --ink-faint: #928c78;
  --rule: rgba(33, 29, 23, 0.16);
  --rule-soft: rgba(33, 29, 23, 0.09);
  --accent: #8f2d20;
  --accent-soft: rgba(143, 45, 32, 0.08);
  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 760px;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { margin: 0; font-family: var(--font-serif); font-weight: 600; color: var(--ink); }
p { margin: 0 0 1em; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: var(--bg); padding: 10px 16px; z-index: 200;
}
.skip-link:focus { left: 0; }

.wrapper { max-width: 900px; margin: 0 auto; padding: 0 24px; }
.wrapper--prose { max-width: var(--max-width); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 62px; max-width: 900px; }
.nav__logo { font-family: var(--font-serif); font-weight: 600; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links a {
  font-size: 0.92rem; color: var(--ink-soft); text-decoration: none;
  padding-bottom: 3px; border-bottom: 1px solid transparent;
}
.nav__links a:hover, .nav__links a.active { color: var(--ink); border-bottom-color: var(--accent); }
.nav__cv { color: var(--accent) !important; }
.nav__burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 34px; height: 34px; background: none; border: none; cursor: pointer; padding: 0;
}
.nav__burger span { display: block; width: 100%; height: 1px; background: var(--ink); transition: transform 0.2s ease, opacity 0.2s ease; }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: 80px 0 70px; }
.hero__kicker {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-faint); margin-bottom: 14px;
}
.hero__name { font-size: clamp(2.4rem, 6vw, 3.4rem); line-height: 1.1; margin-bottom: 20px; }
.hero__lede { max-width: 620px; font-size: 1.15rem; color: var(--ink-soft); margin-bottom: 24px; }
.hero__links { font-size: 0.98rem; }
.hero__links a { color: var(--ink); }
.hero__links span { color: var(--ink-faint); margin: 0 10px; }

/* ---------- Sections ---------- */
.section { padding: 64px 0; border-top: 1px solid var(--rule); }
.section__title { font-size: clamp(1.5rem, 3.2vw, 1.9rem); margin-bottom: 22px; }
.section__sub { color: var(--ink-soft); max-width: 620px; margin-top: -8px; margin-bottom: 30px; }

.wrapper--prose p { color: var(--ink-soft); font-size: 1.04rem; }
.wrapper--prose p strong { color: var(--ink); }

/* ---------- Timeline ---------- */
.timeline { border-top: 1px solid var(--rule-soft); }
.timeline__item { padding: 28px 0; border-bottom: 1px solid var(--rule-soft); }
.timeline__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 20px; }
.timeline__head h3 { font-size: 1.15rem; }
.timeline__date { font-size: 0.85rem; color: var(--ink-faint); white-space: nowrap; }
.timeline__org { color: var(--accent); font-weight: 500; margin: 4px 0 12px; font-size: 0.95rem; }
.timeline__bullets li { position: relative; padding-left: 16px; color: var(--ink-soft); margin-bottom: 8px; }
.timeline__bullets li::before { content: '–'; position: absolute; left: 0; color: var(--ink-faint); }
.timeline__desc { color: var(--ink-soft); margin-bottom: 0; }

/* ---------- Publications ---------- */
.pubs { border-top: 1px solid var(--rule-soft); counter-reset: pub; }
.pubs__item { padding: 22px 0 22px 34px; border-bottom: 1px solid var(--rule-soft); position: relative; counter-increment: pub; }
.pubs__item::before {
  content: counter(pub) '.'; position: absolute; left: 0; top: 22px;
  font-family: var(--font-serif); color: var(--ink-faint); font-size: 0.95rem;
}
.pubs__title { font-family: var(--font-serif); font-size: 1.08rem; margin-bottom: 6px; }
.pubs__meta { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 8px; }
.pubs__venue { font-style: italic; }
.pubs__link { font-size: 0.88rem; }

/* ---------- Skills ---------- */
.skills { border-top: 1px solid var(--rule-soft); }
.skills__row {
  display: grid; grid-template-columns: 230px 1fr; gap: 24px;
  padding: 18px 0; border-bottom: 1px solid var(--rule-soft);
}
.skills__row h3 { font-size: 0.95rem; font-family: var(--font-sans); font-weight: 600; }
.skills__row p { margin: 0; color: var(--ink-soft); }

/* ---------- Projects ---------- */
.projects { border-top: 1px solid var(--rule-soft); }
.projects__item { padding: 22px 0; border-bottom: 1px solid var(--rule-soft); }
.projects__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.projects__head h3 { font-size: 1.1rem; }
.projects__head a { font-size: 0.88rem; white-space: nowrap; }
.projects__item p { margin: 6px 0 0; color: var(--ink-soft); }
.projects__more { margin-top: 22px; margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact__list { margin-bottom: 40px; }
.contact__list li {
  display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--rule-soft);
}
.contact__list li:first-child { border-top: 1px solid var(--rule-soft); }
.contact__list span { width: 100px; flex-shrink: 0; color: var(--ink-faint); font-size: 0.9rem; }
.contact__list a { color: var(--ink); }

.contact__form { display: flex; flex-direction: column; gap: 20px; max-width: 480px; }
.contact__form label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 0.85rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.04em;
}
.contact__form input, .contact__form textarea {
  font-family: var(--font-sans); font-size: 1rem; color: var(--ink);
  background: transparent; border: none; border-bottom: 1px solid var(--rule);
  padding: 8px 2px; resize: vertical;
}
.contact__form input:focus, .contact__form textarea:focus { outline: none; border-bottom-color: var(--accent); }
.contact__form button {
  align-self: flex-start; margin-top: 6px;
  font-family: var(--font-sans); font-size: 0.95rem; color: var(--bg);
  background: var(--ink); border: 1px solid var(--ink); padding: 11px 26px; cursor: pointer;
}
.contact__form button:hover { background: var(--accent); border-color: var(--accent); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--rule); padding: 24px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; max-width: 900px; }
.footer p { color: var(--ink-faint); font-size: 0.85rem; margin: 0; }
.footer a { color: var(--ink-soft); font-size: 0.85rem; }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav__links {
    position: fixed; top: 62px; left: 0; right: 0; bottom: 0;
    background: var(--bg); flex-direction: column; align-items: flex-start;
    padding: 30px 24px; gap: 22px; font-size: 1.1rem;
    transform: translateX(100%); transition: transform 0.25s ease;
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__burger { display: flex; }
  .skills__row { grid-template-columns: 1fr; gap: 6px; }
  .section { padding: 46px 0; }
  .hero { padding: 56px 0 46px; }
}