:root {
  --ink: #102b34;
  --deep: #0b2d3a;
  --teal: #0d6670;
  --aqua: #8ed8d2;
  --mist: #e9f4f2;
  --paper: #f7fbfa;
  --white: #ffffff;
  --muted: #49636a;
  --line: rgba(16, 43, 52, .16);
  --shadow: 0 28px 70px rgba(11, 45, 58, .18);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "DM Sans", sans-serif; font-size: 1rem; line-height: 1.65; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 30; padding: .75rem 1rem; background: var(--white); border: 2px solid var(--teal); }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding: 1rem max(5vw, 1.25rem); background: rgba(247,251,250,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.wordmark { flex: none; font: 700 1.05rem "Libre Franklin", sans-serif; text-decoration: none; letter-spacing: -.02em; }
nav { display: flex; align-items: center; gap: clamp(.9rem, 2.5vw, 2.25rem); }
nav a { font-size: .9rem; font-weight: 600; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--teal); }
nav a[aria-current="page"] { color: var(--teal); text-decoration: underline; text-underline-offset: .35rem; }
.nav-cv { padding: .45rem .8rem; border: 1px solid var(--deep); border-radius: 999px; }
.nav-cv:hover { color: var(--white); background: var(--deep); }
.hero { min-height: 77vh; padding: clamp(4rem, 9vw, 8rem) max(5vw, 1.25rem); display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(18rem, .7fr); gap: clamp(2rem, 7vw, 7rem); align-items: center; background: radial-gradient(circle at 78% 30%, rgba(142,216,210,.4), transparent 27%), linear-gradient(145deg, var(--paper) 55%, #d7eeeb); }
.eyebrow, .section-label { margin: 0 0 1rem; color: var(--teal); font-size: .78rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { color: var(--aqua); padding: 0 .25rem; }
h1, h2, h3 { font-family: "Libre Franklin", sans-serif; line-height: 1.08; letter-spacing: -.045em; }
h1 { max-width: 10ch; margin: 0; font-size: clamp(4rem, 10vw, 8.6rem); }
.credentials { display: block; margin-top: .8rem; color: var(--teal); font: 700 clamp(.95rem, 1.8vw, 1.3rem) "DM Sans", sans-serif; letter-spacing: .08em; }
.lede { max-width: 49rem; margin: 1.6rem 0 2rem; font-size: clamp(1.2rem, 2vw, 1.55rem); line-height: 1.5; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3rem; padding: .7rem 1.25rem; border: 1px solid var(--deep); border-radius: 999px; font-weight: 700; text-align: center; text-decoration: none; transition: transform .2s, background .2s, color .2s; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.primary { background: var(--deep); color: var(--white); }
.secondary { background: transparent; color: var(--deep); }
.portrait-card { overflow: hidden; min-height: 27rem; display: flex; flex-direction: column; color: var(--white); background: var(--deep); border-radius: 1.5rem 1.5rem 8rem 1.5rem; box-shadow: var(--shadow); }
.portrait-image { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; object-position: center 35%; }
.portrait-details { padding: 1.5rem 2rem 2rem; }
.card-kicker { margin: 0; color: var(--aqua); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; }
.card-title { margin: .5rem 0 0; font-size: 1.25rem; line-height: 1.35; }
.card-note { margin: 1.25rem 0 0; padding-top: 1rem; color: #c7dedf; border-top: 1px solid rgba(255,255,255,.2); font-size: .86rem; }
.signal-strip { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0 max(5vw, 1.25rem); background: var(--white); border-block: 1px solid var(--line); }
.signal-strip div { padding: 1.6rem clamp(1rem, 3vw, 2rem); border-right: 1px solid var(--line); }
.signal-strip div:last-child { border-right: 0; }
.signal-strip strong, .signal-strip span { display: block; }
.signal-strip span { color: var(--muted); font-size: .9rem; }
.section { padding: clamp(4rem, 8vw, 7.5rem) max(5vw, 1.25rem); }
.about { display: grid; grid-template-columns: .4fr 1.6fr; gap: 3rem; }
.section-body { max-width: 59rem; }
h2 { margin: 0 0 1.5rem; font-size: clamp(2.3rem, 5vw, 4.3rem); }
h3 { margin: 1.8rem 0 .8rem; font-size: 1.5rem; }
.section-body p, .section-heading > p, .connect-copy > p { color: #38555d; font-size: 1.12rem; }
.section-heading { display: grid; grid-template-columns: 1.4fr .6fr; gap: 4rem; align-items: end; }
.focus-grid { margin-top: 3rem; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.focus-grid article { padding: 2rem 2rem 2rem 0; border-right: 1px solid var(--line); }
.focus-grid article + article { padding-left: 2rem; }
.focus-grid article:last-child { border-right: 0; }
.number { color: var(--teal); font-size: .78rem; font-weight: 700; letter-spacing: .15em; }
.focus-grid p { color: var(--muted); }
.text-link { color: var(--teal); font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: .2rem; }
.project-band { margin: 0 max(2vw, .75rem); padding: clamp(3rem, 6vw, 6rem); display: grid; grid-template-columns: 1.15fr .85fr; gap: 4rem; align-items: end; color: var(--white); background: var(--deep); border-radius: 1.2rem; }
.section-label.light { color: var(--aqua); }
.role-list p { margin: 0; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.role-list p:first-child { padding-top: 0; }
.role-list p:last-child { border-bottom: 0; }
.role-list strong, .role-list span { display: block; }
.role-list span { color: #c7dedf; font-size: .9rem; }
.evidence { background: var(--white); }
.evidence-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 3rem; background: var(--line); border: 1px solid var(--line); }
.evidence-grid article { padding: clamp(1.5rem, 4vw, 3rem); background: var(--white); }
.evidence-grid h3 { margin-top: .5rem; font-size: clamp(1.3rem, 2.5vw, 2rem); }
.evidence-grid p:last-child { color: var(--muted); }
.meta { margin: 0 0 .7rem; color: var(--teal); font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.profiles { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(2rem, 6vw, 6rem); background: var(--mist); }
.profile-links { display: grid; }
.profile-links a { display: flex; justify-content: space-between; gap: 1.5rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.profile-links a:hover strong, .profile-links a:focus-visible strong { color: var(--teal); }
.profile-links span { color: var(--muted); text-align: right; }
.connect { display: grid; grid-template-columns: 1.15fr .85fr; gap: 4rem; }
.connect-copy { align-self: end; }
.social-links { display: flex; gap: 1.25rem; margin-top: 1.4rem; }
.social-links a, .compact-links a { color: var(--teal); font-weight: 700; text-underline-offset: .2rem; }
footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem max(5vw, 1.25rem); border-top: 1px solid var(--line); font-size: .9rem; }
footer div { display: flex; gap: 1.5rem; }
footer a { font-weight: 700; text-decoration: none; }
.page-hero { padding: clamp(5rem, 10vw, 9rem) max(5vw, 1.25rem); background: linear-gradient(145deg, var(--paper) 58%, #d7eeeb); }
.page-hero h1 { max-width: 13ch; font-size: clamp(3.5rem, 8vw, 7rem); }
.page-hero .lede { max-width: 54rem; }
.about-detail { display: grid; grid-template-columns: .5fr 1.5fr; gap: clamp(2rem, 6vw, 6rem); }
.about-photo-frame { position: sticky; top: 7rem; align-self: start; overflow: hidden; width: min(100%, 22rem); aspect-ratio: 1; margin: 0; background: var(--deep); border: .45rem solid var(--white); border-radius: 50%; box-shadow: var(--shadow); }
.about-photo { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 28%; }
.credential-section { background: var(--white); }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 3rem; border-top: 1px solid var(--line); }
.timeline article { padding: 2rem 1.5rem 1rem 0; border-right: 1px solid var(--line); }
.timeline article + article { padding-left: 1.5rem; }
.timeline article:last-child { border-right: 0; }
.timeline h3 { margin: .4rem 0 1rem; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); padding: clamp(4rem, 7vw, 6rem) max(5vw, 1.25rem); }
.principles article { padding: 2rem; border-top: 1px solid var(--line); border-right: 1px solid var(--line); }
.principles article:last-child { border-right: 0; }
.principles span { color: var(--teal); font-weight: 700; }
.certification-band { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 6rem); color: var(--white); background: var(--deep); }
.tag-list { display: flex; flex-wrap: wrap; align-content: center; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.tag-list li { padding: .65rem 1rem; color: #dcebec; border: 1px solid rgba(142,216,210,.38); border-radius: 999px; }
.work-list { display: grid; gap: 1.25rem; }
.work-list > .section-heading { margin-bottom: 2rem; }
.work-card { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 6rem); padding: clamp(2rem, 5vw, 4rem); background: var(--white); border: 1px solid var(--line); border-radius: 1rem; }
.work-card.featured { color: var(--white); background: var(--deep); }
.work-card.featured p { color: #d5e6e7; }
.work-card.featured .meta { color: var(--aqua); }
.work-card h3 { margin: .35rem 0 1rem; font-size: clamp(2rem, 4vw, 3.4rem); }
.organization { color: var(--teal); font-weight: 600; }
.work-card.featured .organization { color: var(--aqua); }
.scholarship { background: var(--mist); }
.compact-links { display: flex; flex-wrap: wrap; gap: .6rem 1.25rem; justify-content: flex-end; }
.scholar-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 3rem; }
.publication-card { padding: clamp(1.5rem, 3.5vw, 2.75rem); background: var(--white); border: 1px solid var(--line); border-radius: .8rem; }
.publication-card.accent { color: var(--white); background: var(--deep); }
.publication-card.accent .meta { color: var(--aqua); }
.publication-card.accent .venue, .publication-card.accent > p { color: #d5e6e7; }
.publication-card h3 { margin-top: .45rem; font-size: clamp(1.35rem, 2.4vw, 1.9rem); }
.publication-card > p { color: var(--muted); }
.venue { font-size: .9rem; font-weight: 700; }
.leadership-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(2rem, 6vw, 6rem); margin-top: 3rem; }
.clean-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.clean-list li { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.clean-list span { display: inline-block; min-width: 8.5rem; color: var(--teal); font-size: .83rem; font-weight: 700; }
.cv-callout { margin: 0 max(2vw, .75rem) 1rem; padding: clamp(3rem, 6vw, 6rem); display: grid; grid-template-columns: 1.2fr auto; gap: 3rem; align-items: end; color: var(--white); background: var(--deep); border-radius: 1.2rem; }
.cv-callout p:not(.section-label) { max-width: 42rem; color: #c7dedf; }
.light-button { color: var(--deep); background: var(--aqua); border-color: var(--aqua); }

@media (max-width: 900px) {
  nav a:nth-child(2) { display: none; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline article:nth-child(2) { border-right: 0; }
  .timeline article:nth-child(3), .timeline article:nth-child(4) { border-top: 1px solid var(--line); }
  .certification-band { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .site-header { align-items: flex-start; }
  nav { gap: .8rem; }
  nav a:nth-child(1), nav a:nth-child(3) { display: none; }
  .hero, .about, .section-heading, .project-band, .profiles, .connect, .about-detail, .work-card, .leadership-grid, .cv-callout { grid-template-columns: 1fr; }
  .hero { padding-top: 4rem; }
  .portrait-card { min-height: 20rem; }
  .signal-strip, .focus-grid, .evidence-grid, .principles, .scholar-grid, .timeline { grid-template-columns: 1fr; }
  .signal-strip div, .focus-grid article, .timeline article, .timeline article:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .timeline article, .timeline article + article { padding: 1.7rem 0; }
  .focus-grid article, .focus-grid article + article { padding: 1.7rem 0; }
  .focus-grid article:last-child, .timeline article:last-child { border-bottom: 0; }
  .section-heading, .project-band, .connect { gap: 1.5rem; }
  .about-photo-frame { position: static; width: min(100%, 19rem); }
  .principles article { border-right: 0; border-bottom: 1px solid var(--line); }
  .profile-links a { display: block; }
  .profile-links span { display: block; text-align: left; }
  .compact-links { justify-content: flex-start; }
  .clean-list span { display: block; }
  footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }