:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --surface-2: #f0f1ee;
  --text: #171918;
  --muted: #686d69;
  --line: #dfe2dc;
  --accent: #445bd8;
  --accent-soft: #edf0ff;
  --dark: #121519;
  --radius: 22px;
  --shadow: 0 16px 50px rgba(24, 29, 27, .07);
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.site-shell { max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.site-header { max-width: var(--max); margin: 0 auto; padding: 22px 28px; display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 20; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: -.02em; }
.brand-mark { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: var(--dark); color: white; font-size: .83rem; letter-spacing: .04em; }
.site-nav { display: flex; align-items: center; gap: 8px; }
.site-nav > a:not(.button) { padding: 9px 11px; color: var(--muted); font-size: .92rem; border-radius: 10px; }
.site-nav > a:not(.button):hover, .site-nav > a.active { color: var(--text); background: rgba(255,255,255,.7); }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: var(--surface); border-radius: 12px; align-items: center; justify-content: center; cursor: pointer; }
.nav-toggle svg { width: 20px; height: 20px; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 17px; background: var(--text); color: white; border-radius: 12px; font-weight: 650; font-size: .92rem; border: 1px solid var(--text); transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.button-secondary { background: transparent; color: var(--text); border-color: var(--line); }
.button-small { padding: 9px 13px; border-radius: 10px; }

.hero { padding: 84px 0 70px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 64px; align-items: center; }
.hero-kicker, .eyebrow, .section-kicker { text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; font-weight: 750; color: var(--muted); }
.hero h1 { margin: 10px 0 8px; font-size: clamp(3.8rem, 8vw, 7.2rem); line-height: .92; letter-spacing: -.07em; }
.hero-tagline { font-size: clamp(1.35rem, 2.7vw, 2.25rem); font-weight: 600; letter-spacing: -.04em; color: var(--accent); margin-bottom: 24px; }
.hero-copy { max-width: 760px; font-size: 1.18rem; color: #373b38; }
.hero-subcopy { max-width: 680px; color: var(--muted); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.hero-meta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; color: var(--muted); font-size: .9rem; }
.hero-meta span::before { content: "•"; margin-right: 12px; color: #adb1ad; }
.hero-meta span:first-child::before { display: none; }
.hero-visual { min-height: 480px; border-radius: 34px; overflow: hidden; position: relative; background: var(--dark); box-shadow: var(--shadow); }
.hero-visual::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 20% 20%, rgba(92,112,255,.85), transparent 34%), radial-gradient(circle at 72% 64%, rgba(89,196,170,.5), transparent 30%), linear-gradient(140deg,#171a20,#0c0f12 72%); }
.hero-orbit { position: absolute; inset: 18%; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; transform: rotate(-14deg); }
.hero-orbit:nth-child(2){ inset: 28% 10%; transform: rotate(34deg); }
.hero-node { position: absolute; width: 14px; height: 14px; border-radius: 50%; background: white; box-shadow: 0 0 0 8px rgba(255,255,255,.08); }
.hero-node.n1 { top: 22%; left: 33%; }
.hero-node.n2 { top: 58%; right: 20%; background: #a9b5ff; }
.hero-node.n3 { bottom: 18%; left: 23%; background: #93e0cc; }
.hero-initials { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,.93); font-size: 7.5rem; font-weight: 800; letter-spacing: -.08em; }
.hero-caption { position: absolute; bottom: 22px; left: 24px; right: 24px; display: flex; justify-content: space-between; gap: 20px; color: rgba(255,255,255,.7); font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; }

.section { padding: 78px 0; border-top: 1px solid var(--line); }
.section-header { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 32px; }
.section-header h2, .page-hero h1 { margin: 5px 0 0; font-size: clamp(2.3rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -.055em; }
.section-header p { margin: 0; max-width: 580px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 650; margin-top: 16px; color: var(--text); }
.text-link svg, .publication-links svg, .sticky-card svg { width: 16px; height: 16px; }
.text-link:hover { color: var(--accent); }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.project-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; min-width: 0; transition: transform .2s ease, box-shadow .2s ease; }
.project-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.project-card[hidden] { display: none; }
.project-image { aspect-ratio: 16/10; display: block; overflow: hidden; background: var(--surface-2); }
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.project-card:hover .project-image img { transform: scale(1.025); }
.project-card-body { padding: 23px; }
.project-card h3 { margin: 7px 0 9px; font-size: 1.34rem; line-height: 1.2; letter-spacing: -.025em; }
.project-card p { color: var(--muted); margin: 0; font-size: .94rem; }
.tags { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 18px; }
.tags span { background: var(--surface-2); border: 1px solid var(--line); padding: 5px 9px; border-radius: 999px; font-size: .72rem; color: #545955; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; }
.filter-button { background: transparent; color: var(--muted); border: 1px solid var(--line); padding: 8px 12px; border-radius: 999px; cursor: pointer; }
.filter-button:hover, .filter-button.active { background: var(--text); color: white; border-color: var(--text); }

.interests-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.interest-card, .highlight-card { border: 1px solid var(--line); background: rgba(255,255,255,.5); border-radius: 18px; padding: 23px; }
.interest-dot { display: block; width: 11px; height: 11px; border-radius: 50%; background: var(--accent); margin-bottom: 34px; }
.interest-card h3, .highlight-card h3 { margin: 0 0 8px; letter-spacing: -.025em; }
.interest-card p, .highlight-card p { margin: 0; color: var(--muted); font-size: .92rem; }
.highlights-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.publications-list, .publication-section { display: flex; flex-direction: column; }
.publication-section + .publication-section { margin-top: 64px; }
.publication-section > .section-kicker { margin-bottom: 16px; }
.publication-row { display: grid; grid-template-columns: 75px 1fr auto; gap: 22px; padding: 23px 0; border-top: 1px solid var(--line); align-items: start; }
.publication-row:last-child { border-bottom: 1px solid var(--line); }
.publication-year { font-size: .88rem; color: var(--muted); }
.publication-main h3 { margin: 0 0 6px; font-size: 1.1rem; line-height: 1.35; letter-spacing: -.015em; }
.publication-main p { margin: 0; color: var(--muted); font-size: .9rem; }
.publication-venue { margin-top: 4px; color: #4c514d; font-size: .88rem; }
.publication-links { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: end; }
.publication-links a { display: inline-flex; align-items: center; gap: 5px; font-size: .86rem; font-weight: 650; color: var(--accent); }

.news-list { border-top: 1px solid var(--line); }
.news-row { display: grid; grid-template-columns: 86px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.news-row > div { color: var(--muted); font-size: .85rem; font-weight: 650; }
.news-row p { margin: 0; }

.page-hero { padding: 86px 0 52px; max-width: 880px; }
.page-hero p { font-size: 1.12rem; color: var(--muted); max-width: 700px; }
.page-body { padding-bottom: 100px; }

.timeline-item { display: grid; grid-template-columns: 190px 1fr; border-top: 1px solid var(--line); padding: 30px 0; }
.timeline-period { color: var(--muted); font-size: .9rem; }
.timeline-content { max-width: 770px; }
.timeline-content h3 { margin: 5px 0 0; font-size: 1.35rem; letter-spacing: -.03em; }
.timeline-content h4 { margin: 2px 0 10px; font-size: .96rem; font-weight: 550; color: var(--accent); }
.timeline-content p { margin: 0; color: var(--muted); }

.about-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: start; }
.about-copy { font-size: 1.08rem; }
.about-copy p:first-child { font-size: 1.4rem; line-height: 1.45; letter-spacing: -.02em; }
.about-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.mini-interest + .mini-interest { border-top: 1px solid var(--line); padding-top: 17px; margin-top: 17px; }
.mini-interest h3 { margin: 0 0 5px; font-size: 1rem; }
.mini-interest p { margin: 0; color: var(--muted); font-size: .9rem; }

.detail-hero { padding: 68px 0 54px; display: grid; grid-template-columns: 1fr .8fr; gap: 55px; align-items: center; }
.detail-hero h1 { font-size: clamp(3rem, 6.5vw, 6rem); line-height: .95; letter-spacing: -.065em; margin: 10px 0 18px; }
.lead { font-size: 1.3rem; color: var(--muted); max-width: 700px; }
.detail-image { width: 100%; border-radius: 28px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.detail-layout { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 70px; padding: 20px 0 110px; }
.detail-main section { padding: 34px 0; border-top: 1px solid var(--line); }
.detail-main p { font-size: 1.03rem; }
.large-copy { font-size: 1.28rem !important; line-height: 1.55; letter-spacing: -.015em; }
blockquote { margin: 18px 0 0; font-size: 1.7rem; line-height: 1.35; letter-spacing: -.035em; padding-left: 22px; border-left: 3px solid var(--accent); }
.approach-list { padding-left: 1.25rem; }
.approach-list li { margin: 10px 0; padding-left: 8px; }
.result-callout, .note-callout { margin-top: 18px; background: var(--accent-soft); border: 1px solid #dbe0ff !important; border-radius: var(--radius); padding: 28px !important; }
.note-callout { background: #eef5f1; border-color: #d9e8df !important; }
.sticky-card { position: sticky; top: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px; display: flex; flex-direction: column; gap: 12px; }
.sticky-card a { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: .9rem; font-weight: 650; }
.sticky-card a:hover { color: var(--accent); }
.sticky-card hr { border: 0; border-top: 1px solid var(--line); width: 100%; margin: 7px 0; }
.sticky-card p { color: var(--muted); font-size: .9rem; margin: 0; }
.disabled-link { color: #999f9b; font-size: .9rem; }

.cv-downloads { display: flex; gap: 10px; flex-wrap: wrap; margin: 24px 0 4px; }
.cv-section { padding: 46px 0; border-top: 1px solid var(--line); }
.cv-section h2 { font-size: 1.7rem; letter-spacing: -.035em; }
.cv-entry { display: grid; grid-template-columns: 150px 1fr; gap: 22px; margin: 26px 0; }
.cv-period { color: var(--muted); font-size: .88rem; }
.cv-entry h3 { margin: 0; font-size: 1.06rem; }
.cv-org { color: var(--accent); font-size: .9rem; margin: 3px 0 7px; }
.cv-entry p { margin: 0; color: var(--muted); font-size: .92rem; }
.skills-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.skill-group { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.skill-group h3 { margin: 0 0 6px; }
.skill-group p { margin: 0; color: var(--muted); }

.footer { max-width: var(--max); margin: 0 auto; padding: 42px 28px 55px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 12px 35px; align-items: end; }
.footer-name { font-weight: 750; letter-spacing: -.02em; }
.footer p { margin: 2px 0 0; color: var(--muted); font-size: .88rem; }
.footer-links { display: flex; gap: 17px; flex-wrap: wrap; font-size: .88rem; }
.footer-links a:hover { color: var(--accent); }
.footer-meta { grid-column: 1/-1; color: #969b97; font-size: .75rem; margin-top: 15px; }

@media (max-width: 940px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; left: 20px; right: 20px; top: 72px; background: rgba(255,255,255,.97); border: 1px solid var(--line); border-radius: 18px; padding: 12px; flex-direction: column; align-items: stretch; box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; }
  .hero { grid-template-columns: 1fr; padding-top: 58px; }
  .hero-visual { min-height: 350px; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .interests-grid, .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-hero, .about-grid { grid-template-columns: 1fr; }
  .detail-image { max-width: 620px; }
  .detail-layout { grid-template-columns: 1fr; gap: 24px; }
  .sticky-card { position: static; }
}
@media (max-width: 650px) {
  .site-shell, .site-header, .footer { padding-left: 18px; padding-right: 18px; }
  .hero { padding: 46px 0 54px; gap: 35px; }
  .hero h1 { font-size: 3.6rem; }
  .hero-visual { min-height: 300px; }
  .hero-initials { font-size: 5.5rem; }
  .section { padding: 56px 0; }
  .section-header { align-items: start; flex-direction: column; }
  .project-grid, .interests-grid, .highlights-grid, .skills-grid { grid-template-columns: 1fr; }
  .publication-row { grid-template-columns: 58px 1fr; gap: 12px; }
  .publication-links { grid-column: 2; justify-content: start; }
  .timeline-item, .cv-entry { grid-template-columns: 1fr; gap: 8px; }
  .page-hero { padding-top: 58px; }
  .detail-hero { padding-top: 45px; }
  .detail-hero h1 { font-size: 3.15rem; }
  blockquote { font-size: 1.35rem; }
  .footer { grid-template-columns: 1fr; }
  .footer-meta { grid-column: 1; }
}