/* Personal site — same palette as the ADEU project page so the two feel like one site. */
:root {
  --ink: #2a1f1a;
  --ink-soft: #5c4d44;
  --paper: #fbf8f3;
  --paper-2: #f3ece2;
  --line: #e4d9ca;
  --rust: #a2401d;
  --rust-deep: #7b2e13;
  --amber: #e8891c;
  --sand: #f2b366;
  --navy: #1d3a6e;
  --radius: 14px;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f1e8dd; --ink-soft: #c2b3a5; --paper: #17120f; --paper-2: #211a16; --line: #3a2f28;
    --rust: #f08a5d; --rust-deep: #ffb08a; --amber: #f3a243; --sand: #6b4a24; --navy: #9db8ee;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--rust); text-underline-offset: 3px; }
a:hover { color: var(--rust-deep); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 20px; height: 60px; }
.nav .brand { font: 600 18px var(--serif); color: var(--ink); text-decoration: none; white-space: nowrap; }
.nav ul { list-style: none; display: flex; gap: 20px; margin: 0 0 0 auto; padding: 0; overflow-x: auto; min-width: 0; scrollbar-width: none; }
.nav ul::-webkit-scrollbar { display: none; }
.nav ul a { color: var(--ink-soft); text-decoration: none; font-size: 15px; white-space: nowrap; }
.nav ul a:hover { color: var(--rust); }
@media (max-width: 640px) { .nav .brand { display: none; } .nav ul { margin-left: 0; gap: 16px; } }

/* hero */
.hero { padding: 64px 0 48px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; right: -10%; top: -30%; width: 640px; height: 640px; z-index: -1;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--sand) 50%, transparent), transparent); }
.hero .wrap { display: grid; grid-template-columns: 1fr 220px; gap: 44px; align-items: center; }
@media (max-width: 760px) { .hero .wrap { grid-template-columns: 1fr; } .hero #photo { order: -1; } }
.kicker { font: 600 13px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--rust); margin: 0 0 10px; }
.hero h1 { font: 600 clamp(36px, 6vw, 58px)/1.05 var(--serif); margin: 0 0 14px; letter-spacing: -.5px; }
.hero .role { font-size: 19px; color: var(--ink-soft); margin: 0 0 22px; }
.hero .role b { color: var(--ink); font-weight: 600; }

#photo { width: 200px; height: 200px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--rust), var(--amber)); color: #fff;
  font: 600 64px var(--serif); box-shadow: 0 10px 40px -12px rgba(162, 64, 29, .5); overflow: hidden; }
#photo.has-img { background: var(--paper-2); }
#photo img { width: 100%; height: 100%; object-fit: cover; }

.links { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 999px;
  background: var(--ink); color: var(--paper); text-decoration: none; font: 600 14.5px var(--sans); transition: background .15s, transform .15s; }
.btn:hover { background: var(--rust); color: #fff; transform: translateY(-1px); }
.btn svg { width: 17px; height: 17px; fill: currentColor; }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }

/* sections */
section { padding: 52px 0; border-top: 1px solid var(--line); }
h2 { font: 600 28px/1.2 var(--serif); margin: 0 0 22px; }
p { margin: 0 0 14px; }
.about { font-size: 18px; max-width: 760px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tags span { background: var(--paper-2); border: 1px solid var(--line); padding: 5px 12px; border-radius: 999px; font-size: 14px; color: var(--ink-soft); }
.tags span.hot { border-color: var(--amber); color: var(--rust); font-weight: 600; }

/* news */
.news { list-style: none; padding: 0; margin: 0; }
.news li { display: grid; grid-template-columns: 100px 1fr; gap: 14px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.news time { font: 600 14px var(--mono); color: var(--rust); }

/* publications */
.pub { display: grid; grid-template-columns: 112px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.pub:last-child { border-bottom: 0; }
.pub-badge { align-self: start; text-align: center; font: 600 13px var(--mono); color: #fff; background: var(--rust); padding: 8px 6px; border-radius: 10px; }
.pub h3 { font: 600 19px/1.35 var(--serif); margin: 0 0 6px; }
.pub h3 a { color: var(--ink); text-decoration: none; }
.pub h3 a:hover { color: var(--rust); }
.pub .authors { margin: 0 0 2px; font-size: 15.5px; }
.pub .authors b { color: var(--navy); }
.pub .venue { margin: 0 0 10px; font-size: 15px; color: var(--ink-soft); font-style: italic; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { font: 600 13px var(--sans); text-decoration: none; padding: 4px 11px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink); background: var(--paper-2); }
.pill:hover { border-color: var(--rust); color: var(--rust); }
.pill.main { background: var(--amber); border-color: var(--amber); color: #2a1f1a; }
@media (max-width: 560px) { .pub { grid-template-columns: 1fr; gap: 10px; } .pub-badge { justify-self: start; padding: 5px 10px; } }
.more { margin-top: 18px; font-size: 15px; color: var(--ink-soft); }

/* timelines */
.tl { list-style: none; padding: 0; margin: 0; }
.tl li { display: grid; grid-template-columns: 180px 1fr; gap: 20px; padding: 14px 0; }
.tl .when { font: 600 14px var(--mono); color: var(--rust); padding-top: 3px; }
.tl h3 { font: 600 18px var(--serif); margin: 0 0 2px; }
.tl .where { color: var(--ink-soft); margin: 0 0 6px; font-size: 15.5px; }
.tl p { font-size: 15.5px; margin: 0; }
@media (max-width: 560px) { .tl li { grid-template-columns: 1fr; gap: 4px; } }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
@media (max-width: 820px) { .two-col { grid-template-columns: 1fr; gap: 0; } .two-col > div + div { margin-top: 40px; } }

/* skills */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.skill { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.skill h3 { font: 600 16px var(--serif); color: var(--rust-deep); margin: 0 0 6px; }
.skill p { margin: 0; font-size: 15px; color: var(--ink-soft); }

/* contact + footer */
.contact { display: flex; flex-wrap: wrap; gap: 10px; }
footer { border-top: 1px solid var(--line); padding: 30px 0 44px; font-size: 14px; color: var(--ink-soft); }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.two-col .tl li { grid-template-columns: 1fr; gap: 2px; }