:root {
  --paper: #F4F6F8;
  --surface: #FFFFFF;
  --tint: #E9EEF3;
  --ink: #14233A;
  --slate: #5B6B80;
  --line: #D3DBE4;
  --amber: #D98A1E;
  --amber-ink: #9A5E0A;
  --cyan: #2B7A99;
  --film: #0F1C2E;
  --film-2: #1A2B42;
  --display: "Bricolage Grotesque", "Avenir Next", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --r-sm: 6px;
  --r-lg: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 4px;
}
h1, h2, h3 { font-family: var(--display); line-height: 1.1; margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.sr, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip:focus { position: fixed; top: 8px; left: 8px; z-index: 99; background: var(--ink); color: #fff; padding: 8px 12px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: var(--r-sm);
  background: var(--ink); color: #fff; text-decoration: none;
  font: 500 15px/1 var(--body); border: 1.5px solid var(--ink);
  transition: background .15s, color .15s;
}
.btn:hover { background: var(--film-2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface); border-color: var(--ink); }
.btn-small { padding: 8px 14px; font-size: 14px; }
.btn-light { background: #fff; color: var(--film); border-color: #fff; }
.btn-light:hover { background: var(--tint); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost-light:hover { border-color: #fff; background: rgba(255,255,255,.06); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 60px; }
.brand { font: 800 19px/1 var(--display); color: var(--ink); text-decoration: none; }
.nav nav { display: flex; gap: 22px; margin-left: auto; }
.nav nav a { color: var(--slate); text-decoration: none; font-size: 15px; }
.nav nav a:hover { color: var(--ink); }

/* ---------- hero ---------- */
.hero { padding: 56px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.portrait { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; margin-bottom: 22px; border: 3px solid var(--surface); box-shadow: 0 0 0 1px var(--line); }
.hero h1 { font-size: clamp(3rem, 7vw, 5.4rem); font-weight: 800; letter-spacing: -0.035em; line-height: .95; }
.role { color: var(--slate); margin-top: 14px; font-size: 16px; }
.pitch { font-size: 1.22rem; line-height: 1.5; margin-top: 22px; max-width: 34ch; }
.focus { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.focus li { border: 1px solid var(--line); background: var(--surface); padding: 5px 11px; border-radius: 999px; font-size: 14px; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.avail { margin-top: 18px; font-size: 14.5px; color: var(--slate); max-width: 46ch; padding-left: 14px; border-left: 3px solid var(--amber); }

/* the viewer: the one bold element */
.viewer {
  margin: 0; background: var(--film); border-radius: var(--r-lg); overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(15, 28, 46, .55);
  color: #C9D6E5;
}
.viewer-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--film-2); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #34475F; }
.viewer-title { margin-left: 10px; font: 12.5px/1 var(--mono); color: #8DA2BA; }
#scan { width: 100%; height: auto; display: block; }
.viewer-chat { padding: 14px 18px 18px; font-size: 14.5px; line-height: 1.5; border-top: 1px solid #22344D; min-height: 132px; }
.viewer-chat p { position: relative; padding-left: 84px; }
.viewer-chat p + p { margin-top: 8px; }
.viewer-chat span { position: absolute; left: 0; top: 0; font: 500 12px/1.9 var(--mono); color: #7F94AD; }
.viewer-chat .a span { color: var(--amber); }
.viewer-chat output { color: #EAF1F8; }
.caret { display: inline-block; width: 7px; height: 15px; background: var(--amber); vertical-align: -2px; margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- strip ---------- */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.strip-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; padding-top: 16px; padding-bottom: 16px; font-size: 15px; color: var(--slate); }
.award-line { color: var(--ink); padding-right: 22px; border-right: 1px solid var(--line); }
.award-line strong { color: var(--amber-ink); }
.confs { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.confs li { color: var(--ink); font-weight: 500; }

/* ---------- sections ---------- */
.section { padding: 88px 0; }
.section-tint { background: var(--tint); }
.section-head { display: grid; grid-template-columns: minmax(220px, 1fr) 2fr; gap: 32px; align-items: end; margin-bottom: 40px; }
.section-head p { color: var(--slate); max-width: 60ch; }

/* featured — a list, not a card grid */
.featured { list-style: none; padding: 0; margin: 0; border-top: 1.5px solid var(--ink); }
.feat { display: grid; grid-template-columns: 1.15fr 1fr 0.9fr; gap: 32px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.feat h3 { font-size: 1.4rem; }
.feat h3 a { color: inherit; text-decoration: none; }
.feat h3 a:hover { text-decoration: underline; text-decoration-color: var(--amber); }
.feat .venue { margin-top: 8px; font-size: 14.5px; color: var(--slate); }
.feat .theme-mark { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 8px; vertical-align: 0; }
.feat .summary { color: var(--ink); }
.feat .result { font-family: var(--display); font-size: 1.15rem; font-weight: 600; line-height: 1.3; }
.feat .stack { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.feat .stack li { font-size: 13px; color: var(--slate); background: var(--tint); padding: 3px 8px; border-radius: 4px; }
.feat.is-award .venue { color: var(--amber-ink); font-weight: 500; }

/* figures */
.figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin: 0 0 40px; background: var(--surface); border-radius: var(--r-lg); border: 1px solid var(--line); }
.figures div { padding: 22px 22px 20px; border-right: 1px solid var(--line); }
.figures div:last-child { border-right: 0; }
.figures dt { font-size: 14px; color: var(--slate); margin-top: 6px; line-height: 1.35; }
.figures dd { margin: 0; font: 800 2.4rem/1 var(--display); letter-spacing: -0.02em; order: -1; }
.figures div { display: flex; flex-direction: column; }
.figures a { font-size: 14px; }

.charts { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
.chart { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; }
.chart figcaption { font-weight: 600; margin-bottom: 20px; }
.bars { display: flex; align-items: flex-end; gap: 18px; height: 220px; padding-bottom: 28px; border-bottom: 1px solid var(--line); position: relative; }
.bar { flex: 1; display: flex; flex-direction: column-reverse; position: relative; height: 100%; justify-content: flex-start; }
.bar .seg { width: 100%; }
.bar .seg:last-of-type { border-radius: 4px 4px 0 0; }
.bar .yr { position: absolute; bottom: -26px; left: 0; right: 0; text-align: center; font-size: 13px; color: var(--slate); }
.bar .n { text-align: center; font: 600 15px/1 var(--display); padding-bottom: 6px; }
.legend { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13.5px; color: var(--slate); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; }
.venues { list-style: none; padding: 0; margin: 0; }
.venues li { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; padding: 8px 0; font-size: 15px; }
.venues .track { grid-column: 1 / -1; height: 6px; background: var(--tint); border-radius: 3px; overflow: hidden; }
.venues .fill { height: 100%; background: var(--cyan); }
.venues b { font-family: var(--display); }

/* publications */
.pub-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-bottom: 14px; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; }
.filters button {
  font: 500 14px/1 var(--body); padding: 8px 12px; border-radius: 999px; cursor: pointer;
  background: var(--surface); color: var(--ink); border: 1px solid var(--line);
}
.filters button[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.filters button i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.search input { font: 15px var(--body); padding: 9px 12px; border: 1px solid var(--line); border-radius: var(--r-sm); width: 280px; max-width: 100%; background: var(--surface); color: var(--ink); }
.toggle { font-size: 14.5px; display: flex; gap: 6px; align-items: center; color: var(--slate); }
.toggle input { accent-color: var(--ink); width: 16px; height: 16px; }
.pub-count { font-size: 14px; color: var(--slate); margin-bottom: 18px; }
.pub-year { display: grid; grid-template-columns: 110px 1fr; gap: 24px; border-top: 1.5px solid var(--ink); padding-top: 18px; margin-bottom: 26px; }
.pub-year > h3 { font: 800 1.9rem/1 var(--display); color: var(--slate); }
.pub-year ol { list-style: none; padding: 0; margin: 0; }
.pub { padding: 14px 0; border-bottom: 1px solid var(--line); }
.pub:first-child { padding-top: 2px; }
.pub-title { font-weight: 500; font-size: 1.04rem; line-height: 1.4; }
.pub-title a { color: var(--ink); text-decoration: none; }
.pub-title a:hover { text-decoration: underline; text-decoration-color: var(--cyan); }
.pub.is-first .pub-title { font-weight: 600; }
.pub-meta { font-size: 14.5px; color: var(--slate); margin-top: 4px; }
.pub-meta .venue { color: var(--ink); font-style: italic; }
.pub-tags { margin-top: 7px; display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 12.5px; padding: 2px 8px; border-radius: 4px; border: 1px solid var(--line); color: var(--slate); background: var(--surface); }
.chip i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 5px; }
.chip-award { border-color: var(--amber); color: var(--amber-ink); background: #FDF4E6; font-weight: 600; }
.chip-first { border-color: var(--ink); color: var(--ink); }
.tag-new, .chip-new { font-style: normal; font-size: 12.5px; background: var(--cyan); color: #fff; padding: 1px 7px; border-radius: 4px; border: 0; }
.empty { padding: 30px 0; color: var(--slate); }

/* experience */
.two-col { display: grid; grid-template-columns: 1.25fr 1fr; gap: 64px; }
.two-col h2 { margin-bottom: 26px; }
.two-col h2.mt { margin-top: 48px; }
.timeline { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 32px 24px; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--paper); border: 2px solid var(--ink); }
.timeline li:first-child::before { background: var(--amber); border-color: var(--amber); }
.timeline .when { font-size: 14px; color: var(--slate); }
.timeline h3 { margin-top: 4px; }
.timeline .org { color: var(--slate); font-size: 15px; margin-top: 2px; }
.timeline ul { margin: 10px 0 0; padding-left: 18px; }
.timeline ul li { padding: 0 0 6px; }
.timeline ul li::before { display: none; }
.edu, .recog { list-style: none; padding: 0; margin: 0; }
.edu li, .recog li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.edu b, .recog b { display: block; font-weight: 600; }
.edu span, .recog span { font-size: 14.5px; color: var(--slate); }
.recog .kind { display: inline-block; font-size: 12.5px; color: var(--slate); margin-bottom: 2px; }
.recog li.is-award .kind { color: var(--amber-ink); font-weight: 600; }

/* skills */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 28px 32px; }
.skills h3 { font-size: 1.05rem; margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1.5px solid var(--ink); }
.skills ul { list-style: none; padding: 0; margin: 0; }
.skills li { padding: 3px 0; color: var(--slate); }
.skills .group-genai h3 { border-color: var(--amber); }

/* contact */
.contact { background: var(--film); color: #DCE5EF; padding: 88px 0; }
.contact h2 { color: #fff; font-size: clamp(2rem, 4vw, 3.1rem); max-width: 20ch; font-weight: 800; letter-spacing: -0.025em; }
.contact p { margin-top: 18px; max-width: 58ch; font-size: 1.08rem; }
.foot { background: var(--film); color: #7F94AD; font-size: 14px; padding: 0 0 32px; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .feat { grid-template-columns: 1fr 1fr; }
  .feat > div:first-child { grid-column: 1 / -1; }
  .charts, .two-col { grid-template-columns: 1fr; }
  .two-col { gap: 48px; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav nav { display: none; }
  .nav-inner { justify-content: space-between; }
  .hero { padding: 36px 0 48px; }
  .section { padding: 64px 0; }
  .section-head { grid-template-columns: 1fr; gap: 12px; margin-bottom: 28px; }
  .feat { grid-template-columns: 1fr; gap: 12px; }
  .pub-year { grid-template-columns: 1fr; gap: 12px; }
  .figures div { border-right: 0; border-bottom: 1px solid var(--line); }
  .award-line { border-right: 0; padding-right: 0; }
  .search input { width: 100%; }
  .search { flex: 1 1 100%; }
  .bars { gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .caret { animation: none; }
  * { transition: none !important; }
}