:root {
  --ink: #11213b;
  --ink-2: #1a3155;
  --muted: #5f6d80;
  --paper: #f7f9fc;
  --surface: #ffffff;
  --line: #dde4ee;
  --purple: #5b32b8;
  --blue: #235fa8;
  --teal: #0d98a8;
  --navy: #0a2a59;
  --shadow: 0 20px 60px rgba(17, 33, 59, .09);
  --soft-shadow: 0 10px 30px rgba(17, 33, 59, .06);
  --radius: 22px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; text-rendering: optimizeLegibility; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(35,95,168,.35); outline-offset: 3px; }
button, input, textarea { font: inherit; }
.container { width: min(var(--max), calc(100% - 44px)); margin: 0 auto; }
.container.narrow { width: min(920px, calc(100% - 44px)); }
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 999; padding: 10px 14px; background: #fff; border-radius: 8px; }
.skip-link:focus { left: 12px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(247,249,252,.92); border-bottom: 1px solid rgba(221,228,238,.9); backdrop-filter: blur(18px); }
.nav-shell { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark { width: 38px; height: 38px; object-fit: contain; }
.brand strong { display:block; font-size:.98rem; line-height:1.15; letter-spacing:-.015em; white-space:nowrap; }
.brand small { display:none; }
.primary-nav { display: flex; align-items: center; gap: 24px; }
.primary-nav a { position: relative; padding: 27px 0 24px; font-weight: 650; color: #617087; font-size: .92rem; }
.primary-nav a::after { content:""; position:absolute; left:0; right:100%; bottom:19px; height:2px; background:linear-gradient(90deg,var(--purple),var(--teal)); transition:.2s ease; }
.primary-nav a:hover, .primary-nav a.active { color: var(--ink); }
.primary-nav a:hover::after, .primary-nav a.active::after { right:0; }
.nav-toggle { display:none; border:0; background:transparent; padding:9px; cursor:pointer; }
.nav-toggle span { width:24px; height:2px; background:var(--ink); display:block; margin:5px 0; border-radius:4px; }

.hero { overflow: hidden; }
.home-hero { padding: 84px 0 72px; background: radial-gradient(circle at 95% 5%, rgba(13,152,168,.13), transparent 34%), radial-gradient(circle at 75% 0%, rgba(91,50,184,.11), transparent 42%), var(--paper); }
.hero-grid { display:grid; grid-template-columns:minmax(0,1.15fr) minmax(340px,.65fr); gap:70px; align-items:center; }
.eyebrow, .kicker { display:block; text-transform:uppercase; letter-spacing:.15em; font-size:.76rem; line-height:1.2; font-weight:800; color:var(--blue); }
h1,h2,h3,h4,p { overflow-wrap:anywhere; }
h1 { font-size:clamp(3rem,6vw,5.55rem); line-height:.98; letter-spacing:-.055em; margin:14px 0 16px; }
h2 { font-size:clamp(2rem,4vw,3rem); line-height:1.06; letter-spacing:-.04em; margin:10px 0 18px; }
h3 { letter-spacing:-.02em; }
.affiliation { margin:0 0 18px; font-size:1.04rem; font-weight:700; color:var(--ink-2); }
.lead, .page-lead { color:var(--muted); font-size:1.12rem; line-height:1.75; }
.lead { max-width:720px; }
.hero-actions { display:flex; flex-wrap:wrap; gap:11px; margin-top:30px; }
.button { display:inline-flex; justify-content:center; align-items:center; gap:8px; min-height:46px; padding:11px 17px; border-radius:12px; border:1px solid #cfd8e5; background:#fff; font-weight:760; color:var(--ink); transition:.2s ease; box-shadow:0 3px 12px rgba(17,33,59,.03); }
.button:hover { transform:translateY(-2px); box-shadow:var(--soft-shadow); }
.button.primary { color:#fff; border-color:transparent; background:linear-gradient(110deg,var(--navy),var(--blue)); }
.button.ghost { background:transparent; }
.profile-links { margin-top:24px; display:flex; flex-wrap:wrap; gap:7px 17px; }
.profile-link { color:#506279; font-size:.87rem; font-weight:700; display:inline-flex; gap:5px; align-items:center; }
.profile-link:hover { color:var(--blue); }
.compact-links { margin-top:23px; }
.portrait-wrap { position:relative; width:min(100%,440px); justify-self:end; }
.portrait-accent { position:absolute; width:70%; height:70%; top:-22px; right:-24px; border-radius:40px; background:linear-gradient(145deg,rgba(91,50,184,.22),rgba(13,152,168,.16)); transform:rotate(5deg); }
.portrait { position:relative; z-index:2; width:100%; aspect-ratio:1 / 1.02; object-fit:cover; object-position:center; border-radius:32px; box-shadow:var(--shadow); border:7px solid rgba(255,255,255,.85); filter:grayscale(1); }
.portrait-caption { position:relative; z-index:3; width:88%; margin:-46px auto 0; border:1px solid var(--line); background:rgba(255,255,255,.96); box-shadow:var(--soft-shadow); border-radius:16px; padding:16px 18px; }
.portrait-caption strong, .portrait-caption span { display:block; }
.portrait-caption strong { font-size:.9rem; }
.portrait-caption span { margin-top:4px; color:var(--muted); font-size:.78rem; }

.section { padding:76px 0; }
.compact-top { padding-top:28px; }
.alt-section { background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-heading { margin-bottom:30px; }
.section-heading p { color:var(--muted); }
.split-heading { display:grid; grid-template-columns:.9fr 1.1fr; gap:50px; align-items:end; }
.split-heading p { max-width:650px; margin:0 0 19px; }
.research-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.research-card { min-height:245px; padding:25px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); transition:.2s ease; box-shadow:0 6px 18px rgba(17,33,59,.025); }
.research-card:hover { transform:translateY(-4px); box-shadow:var(--soft-shadow); border-color:#cdd8e7; }
.research-card .number { font-size:.78rem; font-weight:850; color:var(--teal); letter-spacing:.09em; }
.research-card h3 { margin:33px 0 10px; font-size:1.25rem; }
.research-card p { margin:0; color:var(--muted); font-size:.93rem; }
.lab-feature { background:linear-gradient(112deg,#102c5d 0%,#223d83 50%,#117f91 115%); color:#fff; }
.lab-feature-inner { display:grid; grid-template-columns:220px 1fr; gap:45px; align-items:center; }
.lab-logo-shell { width:205px; height:205px; background:#fff; border-radius:30px; display:grid; place-items:center; padding:18px; box-shadow:0 24px 60px rgba(0,0,0,.18); overflow:hidden; }
.lab-logo-shell img { display:block; width:100%; height:100%; max-width:100%; max-height:100%; object-fit:contain; object-position:center; }
.lab-feature-copy { max-width:760px; }
.lab-feature-copy h2 { font-size:clamp(2.5rem,5vw,4rem); margin:7px 0 10px; }
.lab-feature-copy p { font-size:1.08rem; color:#dfe9f6; }
.kicker.light { color:#a9eff4; }
.text-link { font-weight:800; display:inline-flex; align-items:center; gap:8px; }
.light-link { color:#fff; margin-top:8px; }
.explore-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.explore-card { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px; transition:.2s ease; }
.explore-card:hover { transform:translateY(-3px); box-shadow:var(--soft-shadow); }
.explore-card > span { color:var(--teal); font-size:.8rem; font-weight:850; }
.explore-card h3 { margin:22px 0 8px; font-size:1.25rem; }
.explore-card p { color:var(--muted); min-height:75px; font-size:.93rem; }
.explore-card b { font-size:.9rem; color:var(--blue); }

.page-hero { padding:70px 0 34px; background:radial-gradient(circle at 90% 10%,rgba(91,50,184,.09),transparent 35%); }
.page-hero h1 { font-size:clamp(3rem,6vw,4.8rem); }
.page-lead { max-width:810px; }
.bio-grid, .lab-about-grid { display:grid; grid-template-columns:.72fr 1.28fr; gap:70px; align-items:start; }
.bio-copy p, .lab-about-grid p { color:var(--muted); font-size:1.02rem; margin-top:0; }
.timeline { max-width:1000px; }
.timeline-item { display:grid; grid-template-columns:205px 1fr; gap:34px; position:relative; padding:0 0 38px; }
.timeline-item::before { content:""; position:absolute; left:221px; top:6px; bottom:-4px; width:1px; background:#d5deea; }
.timeline-item:last-child::before { display:none; }
.timeline-item::after { content:""; position:absolute; left:216px; top:7px; width:11px; height:11px; border-radius:50%; background:var(--teal); box-shadow:0 0 0 6px #e7f6f7; }
.timeline-date { color:var(--blue); font-weight:850; font-size:.9rem; text-align:right; padding-right:3px; }
.timeline-content { padding-left:24px; }
.timeline-content h3 { margin:4px 0 0; font-size:1.35rem; }
.timeline-content h4 { margin:3px 0 9px; color:#40536c; font-size:.98rem; }
.timeline-content p { margin:0; color:var(--muted); }
.role-type { font-size:.72rem; font-weight:850; letter-spacing:.12em; text-transform:uppercase; color:var(--teal); }
.education-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.education-card { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:27px; }
.degree-year { color:var(--blue); font-weight:850; font-size:.86rem; }
.education-card h3 { font-size:1.3rem; margin:18px 0 3px; }
.institution { font-weight:720; margin-top:0; }
.education-card p:last-child { color:var(--muted); }
.interests-section, .mentorship-strip { background:linear-gradient(120deg,#0b2a5a,#244080 55%,#147f8e); color:#fff; }
.interest-pills, .mentoring-steps { display:flex; flex-wrap:wrap; gap:10px; margin-top:25px; }
.interest-pills span, .mentoring-steps span { border:1px solid rgba(255,255,255,.24); background:rgba(255,255,255,.09); border-radius:999px; padding:9px 14px; color:#eef8ff; font-weight:700; font-size:.89rem; }

.publications-shell { max-width:1050px; }
.publication-toolbar { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:30px; }
.filter-btn { border:1px solid #ccd7e5; background:#fff; padding:9px 14px; border-radius:999px; cursor:pointer; color:#52647b; font-weight:750; }
.filter-btn:hover,.filter-btn.active { background:var(--navy); border-color:var(--navy); color:#fff; }
.publication { display:grid; grid-template-columns:95px 1fr; gap:24px; padding:27px 0; border-top:1px solid var(--line); }
.publication:first-child { border-top:0; }
.publication.is-hidden { display:none; }
.pub-year { font-size:1.25rem; font-weight:850; color:var(--blue); }
.pub-meta { font-size:.72rem; font-weight:850; text-transform:uppercase; letter-spacing:.12em; color:var(--teal); }
.pub-body h3 { margin:7px 0 9px; font-size:1.19rem; line-height:1.35; }
.pub-authors,.pub-venue { color:var(--muted); margin:4px 0; font-size:.92rem; }
.pub-venue { font-style:italic; }
.pub-actions { margin-top:13px; display:flex; flex-wrap:wrap; gap:8px; }
.pub-actions a { display:inline-flex; align-items:center; min-height:34px; padding:6px 10px; border:1px solid #d5deea; border-radius:9px; background:#fff; font-size:.82rem; color:var(--blue); font-weight:800; transition:.18s ease; }
.pub-actions a:hover { border-color:#b8cadf; background:#f3f7fb; transform:translateY(-1px); }
.source-note { border-top:1px solid var(--line); padding-top:22px; color:var(--muted); font-size:.88rem; }

.teaching-philosophy { display:grid; grid-template-columns:.72fr 1.28fr; gap:70px; align-items:start; }
.teaching-philosophy p { color:var(--muted); font-size:1.02rem; margin:0; }
.course-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.course-card { position:relative; background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:25px; min-height:325px; box-shadow:0 5px 15px rgba(17,33,59,.025); }
.course-card.current-course { border-color:#abcad4; background:linear-gradient(150deg,#fff,#f3fbfc); }
.course-top { min-height:32px; display:flex; flex-wrap:wrap; gap:8px; align-items:center; justify-content:space-between; }
.course-code { color:var(--blue); font-size:.76rem; font-weight:850; letter-spacing:.03em; }
.current-badge { background:#dff3f3; color:#0f7582; font-size:.7rem; font-weight:850; padding:5px 8px; border-radius:999px; text-transform:uppercase; letter-spacing:.06em; }
.course-card h3 { margin:19px 0 5px; font-size:1.3rem; }
.course-byline { color:#415a77; font-weight:760; font-size:.84rem; margin:0 0 13px; }
.course-card > p:not(.course-byline) { color:var(--muted); font-size:.91rem; }
.tag-row { display:flex; flex-wrap:wrap; gap:6px; margin-top:18px; }
.tag-row span { padding:5px 9px; border-radius:999px; background:#edf3f9; color:#34557d; font-size:.73rem; font-weight:750; }

.student-section-heading { display:grid; grid-template-columns:1fr .9fr; gap:40px; align-items:end; margin-bottom:30px; }
.student-section-heading h2 { margin-bottom:0; }
.student-section-heading p { color:var(--muted); margin:0 0 7px; }
.student-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.student-card { overflow:hidden; background:#fff; border:1px solid var(--line); border-radius:20px; box-shadow:0 6px 18px rgba(17,33,59,.035); transition:.2s ease; }
.student-card:hover { transform:translateY(-3px); box-shadow:var(--soft-shadow); }
.student-photo-wrap { aspect-ratio:1/1; background:#edf1f6; overflow:hidden; }
.student-photo { width:100%; height:100%; object-fit:cover; object-position:center; }
.student-info { padding:18px 18px 20px; }
.student-info h3 { margin:0; font-size:1.08rem; }
.student-role { margin:3px 0 0; font-size:.82rem; font-weight:800; color:var(--blue); }
.student-institution { color:var(--muted); font-size:.82rem; min-height:39px; margin:8px 0 13px; font-weight:650; }
.linkedin-btn { display:inline-flex; gap:5px; align-items:center; font-size:.82rem; font-weight:800; color:#215b9c; }
.linkedin-btn:hover { text-decoration:underline; }
.mentoring-steps { margin-top:18px; }

.lab-page-hero { padding:68px 0 54px; background:radial-gradient(circle at 12% 0%,rgba(91,50,184,.12),transparent 35%),radial-gradient(circle at 95% 20%,rgba(13,152,168,.12),transparent 32%); }
.lab-hero-grid { display:grid; grid-template-columns:1fr 1fr; gap:65px; align-items:center; }
.lab-wordmark { padding:28px; border-radius:26px; background:#fff; border:1px solid var(--line); box-shadow:var(--soft-shadow); }
.lab-wordmark img { width:100%; height:auto; }
.lab-intro h1 { font-size:clamp(3rem,6vw,5rem); }
.lab-intro .button { margin-top:12px; }
.lab-directions { background:linear-gradient(120deg,#10285c,#223f87 55%,#0b8795); color:#fff; }
.lab-direction-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:13px; }
.lab-direction-grid article { padding:25px; border:1px solid rgba(255,255,255,.18); border-radius:18px; background:rgba(255,255,255,.055); }
.lab-direction-grid article span { color:#90e7ed; font-size:.75rem; font-weight:850; }
.lab-direction-grid h3 { margin:24px 0 8px; }
.lab-direction-grid p { color:#dbe9f7; font-size:.9rem; margin:0; }
.lab-connect-inner { display:flex; justify-content:space-between; align-items:center; gap:40px; padding:35px; border:1px solid var(--line); border-radius:var(--radius); background:#fff; }
.lab-connect-inner p { max-width:760px; color:var(--muted); }

.contact-grid { display:grid; grid-template-columns:.68fr 1.32fr; gap:24px; align-items:start; }
.contact-sidebar { display:grid; gap:16px; }
.contact-card, .form-panel { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:25px; }
.contact-card h2 { font-size:1.25rem; margin:11px 0 12px; }
.contact-card h2 a { color:var(--blue); }
.contact-card p { color:var(--muted); margin-bottom:0; }
.contact-profile-list { display:grid; margin-top:17px; }
.contact-profile-link { display:flex; justify-content:space-between; gap:15px; padding:10px 0; border-top:1px solid #edf0f5; font-weight:730; color:#425771; }
.contact-profile-link:first-child { border-top:0; }
.contact-profile-link:hover { color:var(--blue); }
.contact-note { padding:20px; border-radius:18px; background:linear-gradient(145deg,#eef4fb,#eefafa); border:1px solid #d8e7ee; }
.contact-note p { margin:4px 0 0; color:var(--muted); font-size:.88rem; }
.form-panel-heading { margin-bottom:16px; }
.form-panel-heading h2 { margin-bottom:7px; }
.form-panel-heading p { color:var(--muted); margin:0; }
.google-form { width:100%; min-height:920px; border:0; border-radius:13px; background:#f5f7fa; }
.form-fallback { color:var(--muted); font-size:.84rem; margin:12px 2px 0; }
.form-fallback a { color:var(--blue); font-weight:750; }
.not-found { padding-bottom:80px; }

.site-footer { border-top:1px solid var(--line); background:#fff; padding:34px 0; }
.footer-grid { display:grid; grid-template-columns:1.4fr 1fr auto; gap:25px; align-items:center; color:var(--muted); font-size:.82rem; }
.footer-grid strong { display:block; color:var(--ink); margin-bottom:3px; }
.footer-grid span { display:block; }
.footer-links { display:flex; flex-wrap:wrap; gap:10px 16px; }
.footer-links a:hover { color:var(--blue); }
.copyright { text-align:right; white-space:nowrap; }


@media (max-width: 1120px) {
  .primary-nav { gap:18px; }
  .primary-nav a { font-size:.88rem; }
  .brand strong { font-size:.92rem; }
}
@media (max-width: 980px) {
  .nav-toggle { display:block; }
  .primary-nav { position:absolute; top:76px; left:0; right:0; background:rgba(255,255,255,.98); border-bottom:1px solid var(--line); display:none; padding:9px 22px 20px; box-shadow:0 20px 40px rgba(17,33,59,.08); }
  .primary-nav.open { display:grid; }
  .primary-nav a { padding:11px 3px; }
  .primary-nav a::after { bottom:7px; }
}

@media (max-width: 1050px) {
  .hero-grid { grid-template-columns:1fr 370px; gap:40px; }
  .research-grid { grid-template-columns:repeat(2,1fr); }
  .course-grid { grid-template-columns:repeat(2,1fr); }
  .student-grid { grid-template-columns:repeat(3,1fr); }
  .lab-direction-grid { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .copyright { grid-column:1/-1; text-align:left; }
}
@media (max-width: 860px) {
  .hero-grid, .lab-hero-grid, .bio-grid, .lab-about-grid, .teaching-philosophy, .contact-grid { grid-template-columns:1fr; }
  .portrait-wrap { justify-self:start; max-width:400px; margin-top:15px; }
  .split-heading, .student-section-heading { grid-template-columns:1fr; gap:5px; }
  .lab-feature-inner { grid-template-columns:150px 1fr; gap:30px; }
  .lab-logo-shell { width:145px; height:145px; border-radius:23px; }
  .explore-grid { grid-template-columns:1fr; }
  .timeline-item { grid-template-columns:1fr; gap:5px; padding-left:30px; }
  .timeline-date { text-align:left; }
  .timeline-item::before { left:4px; }
  .timeline-item::after { left:-1px; }
  .timeline-content { padding-left:0; }
  .education-grid { grid-template-columns:1fr; }
  .student-grid { grid-template-columns:repeat(2,1fr); }
  .lab-connect-inner { align-items:flex-start; flex-direction:column; }
  .publication { grid-template-columns:72px 1fr; }
}
@media (max-width: 620px) {
  .container, .container.narrow { width:min(100% - 28px,var(--max)); }
  .home-hero { padding-top:54px; }
  h1 { font-size:clamp(2.75rem,15vw,4rem); }
  .lead,.page-lead { font-size:1rem; }
  .research-grid, .course-grid, .student-grid, .lab-direction-grid { grid-template-columns:1fr; }
  .lab-feature-inner { grid-template-columns:1fr; }
  .lab-logo-shell { width:128px; height:128px; }
  .publication { grid-template-columns:1fr; gap:4px; }
  .publication-toolbar { gap:6px; }
  .footer-grid { grid-template-columns:1fr; }
  .copyright { grid-column:auto; }
  .portrait-wrap { width:100%; }
  .student-institution { min-height:auto; }
  .google-form { min-height:850px; }
}

@media (max-width: 620px) {
  .brand { gap:8px; }
  .brand-mark { width:33px; height:33px; }
  .brand strong { font-size:.78rem; letter-spacing:-.02em; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
}
@media print {
  .site-header, .site-footer, .nav-toggle, .hero-actions, .profile-links, .publication-toolbar { display:none !important; }
  body { background:#fff; color:#000; }
  .section, .page-hero, .home-hero { padding:24px 0; background:#fff !important; }
  a { text-decoration:none; }
}