:root {
  --background: #f7f8fa;
  --surface: #ffffff;
  --ink: #202124;
  --muted: #6b7280;
  --line: #e3e6ea;
  --accent: #0f766e;
  --accent-soft: #d9eeea;
  --max-width: 1040px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: .18em; }
a:hover { color: #095b55; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 20; padding: .5rem .8rem; background: var(--ink); color: white; }
.skip-link:focus { top: 1rem; }

.page {
  width: min(calc(100% - 3rem), var(--max-width));
  margin: 0 auto;
  padding: 4.5rem 0 3rem;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 5rem;
}

.profile { position: sticky; top: 3rem; align-self: start; text-align: center; }
.portrait {
  width: 152px;
  height: 152px;
  margin: 0 auto 1.5rem;
  display: block;
  border-radius: 50%;
  border: 3px solid var(--surface);
  box-shadow: 0 7px 22px rgba(31, 41, 55, .14);
  object-fit: cover;
}
.profile h1 { margin: 0; font-family: Georgia, serif; font-size: 2rem; letter-spacing: -.025em; }
.role { margin: .3rem 0 1rem; color: var(--muted); font-size: .94rem; line-height: 1.45; }
.focus { color: var(--muted); font-size: .78rem; line-height: 1.55; text-transform: uppercase; letter-spacing: .07em; }
.profile-links { margin-top: 1.4rem; display: flex; flex-wrap: wrap; justify-content: center; gap: .45rem .9rem; }
.profile-links a { font-size: .85rem; font-weight: 650; text-decoration: none; }
.location { margin-top: 1.5rem; color: #89908d; font-size: .78rem; }

main { min-width: 0; }
section { padding: 0 0 3.6rem; margin-bottom: 3.6rem; border-bottom: 1px solid var(--line); }
section:first-child { padding-top: .15rem; }
h2 { margin: 0 0 1.25rem; font-family: Georgia, serif; font-size: 1.65rem; font-weight: 600; letter-spacing: -.02em; }
h3 { margin: 0 0 .25rem; font-family: Georgia, serif; font-size: 1.2rem; letter-spacing: -.015em; }
p { margin: 0 0 1rem; }
.about p { font-size: 1.02rem; }

.news-list { margin: 0; padding: 0; list-style: none; }
.news-list li { display: grid; grid-template-columns: 105px 1fr; gap: 1rem; padding: .4rem 0; }
.news-list time { color: var(--muted); font-variant-numeric: tabular-nums; }

.work-list { display: flex; flex-direction: column; gap: 1.5rem; }
.work-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 1.7rem;
  align-items: center;
  padding: 1.5rem;
  border: 1px solid #e4e7eb;
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 7px 22px rgba(31, 41, 55, .055);
}
.work-media {
  aspect-ratio: 16 / 10;
  display: block;
  overflow: hidden;
  border: 1px solid #cfd3cd;
  border-radius: 7px;
  background: white;
  box-shadow: 0 5px 14px rgba(31, 42, 38, .06);
}
.work-media img { width: 100%; height: 100%; display: block; object-fit: cover; }
.paper-media img, .github-media img { object-fit: contain; }
.work-media[href]:hover { border-color: #9ebbb6; box-shadow: 0 7px 18px rgba(15, 118, 110, .11); }
.work-copy > p { margin-bottom: .45rem; color: #4b5563; font-size: .91rem; line-height: 1.55; }
.work-copy .meta { color: var(--accent); font-size: .76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.work-copy .result { color: var(--ink); font-weight: 620; }
.work-copy .release-soon {
  width: fit-content;
  margin-top: .8rem;
  padding: .32rem .7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: .8rem;
  font-weight: 650;
}
.work-links a { font-weight: 650; }

.publication-list { margin: 0; padding: 0; list-style: none; }
.publication-list li { display: grid; grid-template-columns: 62px 1fr; gap: .8rem; padding: .7rem 0; border-bottom: 1px dotted #d7dce2; line-height: 1.45; }
.publication-list li:last-child { border-bottom: 0; }
.publication-list a { color: var(--ink); text-decoration: none; }
.publication-list a:hover { color: var(--accent); }
.publication-list span { color: var(--muted); font-size: .85rem; }
.publication-list .year { padding-top: .06rem; font-size: .78rem; font-weight: 700; }

.timeline { display: flex; flex-direction: column; }
.timeline > div { display: grid; grid-template-columns: 125px 1fr; gap: 1rem; padding: .75rem 0; border-bottom: 1px dotted #d7dce2; }
.timeline time { color: var(--muted); font-size: .83rem; }
.timeline p { margin: 0; }

#education p { display: inline-block; width: 49%; padding-right: 1.5rem; vertical-align: top; }
footer { display: flex; justify-content: space-between; color: var(--muted); font-size: .8rem; }
footer a { text-decoration: none; }

@media (max-width: 800px) {
  .page { padding-top: 2.5rem; grid-template-columns: 1fr; gap: 3rem; }
  .profile { position: static; }
  .portrait { width: 132px; height: 132px; }
  .profile .focus { max-width: 420px; margin-left: auto; margin-right: auto; }
}

@media (max-width: 520px) {
  .page { width: min(calc(100% - 2rem), var(--max-width)); }
  section { padding-bottom: 2.8rem; margin-bottom: 2.8rem; }
  .news-list li { grid-template-columns: 1fr; gap: 0; }
  .work-item { grid-template-columns: 1fr; padding: 1.1rem; }
  .work-media { width: 100%; }
  #education p { width: 100%; }
  footer { flex-direction: column; gap: .5rem; }
}