:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #eef3f8;
  --text: #111827;
  --muted: #667085;
  --line: #dfe5ec;
  --accent: #0f6f7a;
  --accent-strong: #0b4f59;
  --accent-soft: #dff3f4;
  --navy: #0f1f33;
  --max: 1180px;
  --radius: 22px;
  --shadow: 0 18px 50px rgba(15, 31, 51, 0.08);
}
* { 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; font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(223,229,236,.88); background: rgba(246,248,251,.88); backdrop-filter: blur(14px); }
.nav { max-width: var(--max); margin: 0 auto; min-height: 72px; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { font-weight: 800; letter-spacing: -.035em; font-size: 1.15rem; color: var(--navy); }
.nav-links { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.nav-links a { color: #475467; font-size: .94rem; font-weight: 600; }
.nav-links a.active,.nav-links a:hover { color: var(--accent); }
.container { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }
.hero { min-height: 560px; display: grid; grid-template-columns: 1.65fr .45fr; align-items: center; gap: 52px; padding: 56px 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--accent-strong); background: var(--accent-soft); border: 1px solid #c8e7e9; border-radius: 999px; padding: 7px 12px; font-size: .82rem; font-weight: 700; letter-spacing: .02em; }
.hero h1 { margin: 20px 0 18px; font-size: clamp(2.8rem,6vw,5.3rem); line-height: .98; letter-spacing: -.06em; color: var(--navy); }
.page-title { margin: 20px 0 18px; font-size: clamp(3.1rem,7vw,6.4rem); line-height: .98; letter-spacing: -.065em; color: var(--navy); }
.hero .role { margin: 0 0 20px; color: #344054; font-size: clamp(1.15rem,2vw,1.4rem); font-weight: 650; }
.hero .intro { max-width: 760px; margin: 0; color: #475467; font-size: 1.08rem; }
.hero-photo-wrap { position: relative; justify-self: end; }
.hero-photo-wrap:before { content: ""; position: absolute; width: 76%; aspect-ratio: 1; border-radius: 50%; background: var(--accent-soft); right: -14%; top: -10%; z-index: -1; }
.hero-photo { width: min(175px,44vw); aspect-ratio: 4/5; object-fit: cover; object-position: center top; border-radius: 22px; box-shadow: var(--shadow); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); color: var(--navy); font-weight: 700; font-size: .92rem; transition: transform .18s ease,border-color .18s ease,background .18s ease; }
.btn:hover { transform: translateY(-2px); border-color: #a8bac7; color: var(--accent-strong); }
.btn.primary { background: var(--navy); color: white; border-color: var(--navy); }
.btn.primary:hover { background: var(--accent-strong); color: white; }
.topic-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.topic { padding: 8px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: #475467; font-size: .88rem; font-weight: 650; }
.section { padding: 36px 0; }
.section.compact { padding-top: 18px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.section-head h2,.content-card h2 { margin: 0; color: var(--navy); font-size: clamp(1.8rem,3vw,2.7rem); letter-spacing: -.045em; }
.section-head p { margin: 0; max-width: 620px; color: var(--muted); }
.text-link { color: var(--accent-strong); font-weight: 700; font-size: .95rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.card,.content-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(15,31,51,.035); }
.card { padding: 22px 24px; }
.content-card { padding: 22px 24px; }
.compact-card { padding: 13px 24px; }
.experience-card { padding: 5px 24px; }
.card .kicker { color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.card h3 { margin: 0 0 8px; color: var(--navy); font-size: 1.18rem; line-height: 1.35; letter-spacing: -.02em; }
.card p { margin: 0; color: var(--muted); }
.publication-list { display: grid; gap: 10px; }
.pub { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px 22px; display: grid; grid-template-columns: 112px 1fr; gap: 20px; transition: border-color .18s ease,transform .18s ease; }
.pub:hover { border-color: #b7c9d3; transform: translateY(-1px); }
.pub-meta { color: var(--accent-strong); font-weight: 800; font-size: .86rem; line-height: 1.35; }
.pub h3 { margin: 0 0 6px; font-size: 1.08rem; color: var(--navy); line-height: 1.4; letter-spacing: -.015em; }
.pub p { margin: 0; color: var(--muted); font-size: .95rem; }
.page-hero { padding: 56px 0 28px; }
.page-title { font-size: clamp(3rem,6vw,5.5rem); margin-bottom: 16px; }
.page-lead { margin: 0; max-width: 760px; color: #475467; font-size: 1.08rem; }
.profile-grid { display: grid; grid-template-columns: 250px 1fr; gap: 40px; align-items: start; }
.profile-photo { border-radius: 22px; box-shadow: var(--shadow); }
.clean-list { margin: 0; padding: 0; list-style: none; }
.clean-list li { padding: 9px 0; border-bottom: 1px solid var(--line); color: #344054; }
.clean-list li:last-child { border-bottom: 0; }
.timeline { display: grid; gap: 0; }
.timeline-item { display: grid; grid-template-columns: 160px 1fr; gap: 28px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.timeline-item:last-child { border-bottom: 0; }
.timeline-date { color: var(--accent-strong); font-weight: 800; }
.timeline-item h3 { margin: 0 0 4px; color: var(--navy); font-size: 1.08rem; }
.timeline-item p { margin: 0; color: var(--muted); }
.experience-subsection { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.experience-subsection.grid-2 { align-items: start; }
.experience-subsection-title { margin: 0 0 10px; color: var(--navy); font-size: 1.18rem; line-height: 1.35; letter-spacing: -.02em; }
.experience-subsection .timeline-item { padding: 14px 0; }
.experience-subsection .clean-list li { padding: 8px 0; }
.subsection { margin-top: 32px; }
.subsection:first-child { margin-top: 0; }
.subsection h2 { margin-bottom: 14px; }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 20px; }
.contact-block { padding: 22px 24px; }
.contact-block h3 { margin: 0 0 6px; color: var(--navy); }
.contact-block p { margin: 0; color: var(--muted); }
.contact-block a { color: var(--accent-strong); font-weight: 700; }
.site-footer { border-top: 1px solid var(--line); margin-top: 36px; color: #7b8794; }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 28px; display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: .9rem; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
@media (max-width:900px) { .hero { grid-template-columns: 1fr; gap: 28px; min-height: auto; padding: 48px 0; } .hero-photo-wrap { justify-self: start; } .hero-photo { width: 150px; } .grid-3 { grid-template-columns: 1fr; } .profile-grid,.contact-grid { grid-template-columns: 1fr; } .profile-photo { width: 220px; } .experience-card { padding: 5px 24px; } }
@media (max-width:700px) { .nav { align-items: flex-start; padding-top: 18px; padding-bottom: 18px; flex-direction: column; gap: 12px; } .nav-links { gap: 14px 18px; } .container { width: min(calc(100% - 32px),var(--max)); } .hero h1,.page-title { letter-spacing: -.055em; } .grid-2 { grid-template-columns: 1fr; } .pub { grid-template-columns: 1fr; gap: 8px; padding: 16px 20px; } .timeline-item { grid-template-columns: 1fr; gap: 4px; padding: 15px 0; } .section { padding: 30px 0; } .section-head { align-items: flex-start; flex-direction: column; gap: 12px; margin-bottom: 18px; } .experience-card { padding: 5px 20px; } .compact-card { padding: 11px 20px; } .experience-subsection { margin-top: 20px; padding-top: 20px; } .experience-subsection.grid-2 { gap: 20px; } .experience-subsection .timeline-item { padding: 12px 0; } }