:root {
  --ink: #14201e;
  --muted: #5d6c68;
  --paper: #fbfcf9;
  --mist: #eef3ee;
  --forest: #0b423c;
  --forest-2: #0e5a50;
  --lime: #b9d979;
  --line: #d4ded8;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.65; }
a { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; }
h1, h2 { font-family: var(--serif); font-weight: 600; letter-spacing: -.035em; }
h1 { font-size: clamp(3.6rem, 8.8vw, 7.5rem); margin: .22em 0 .12em; max-width: 10ch; }
h2 { font-size: clamp(2.25rem, 5vw, 4.4rem); margin-bottom: 1rem; max-width: 13ch; }
h3 { font-size: 1.24rem; margin-bottom: .55rem; }
p { color: var(--muted); }

.container { width: min(var(--container), calc(100% - 2.5rem)); margin-inline: auto; }
.section { padding: clamp(4.5rem, 9vw, 8.5rem) 0; border-bottom: 1px solid var(--line); }
.tinted { background: var(--mist); }
.dark { background: var(--forest); color: #f3f8f3; border-color: rgba(255,255,255,.15); }
.dark p, .dark .authors, .dark .venue { color: #bcd0c8; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: white; padding: .7rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(251,252,249,.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.nav-wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: flex; align-items: baseline; gap: .65rem; text-decoration: none; font-weight: 700; }
.brand small { color: var(--muted); font-weight: 400; }
#site-nav { display: flex; gap: 1.4rem; font-size: .88rem; font-weight: 600; }
#site-nav a { text-decoration: none; border-bottom: 2px solid transparent; }
#site-nav a:hover, #site-nav a:focus-visible { color: var(--forest-2); border-color: var(--lime); }
.menu-button { display: none; border: 1px solid var(--line); background: transparent; padding: .55rem .8rem; font: inherit; }

.hero { padding: clamp(3rem, 6vw, 5.5rem) 0; background: radial-gradient(circle at 82% 18%, rgba(185,217,121,.22), transparent 23%), var(--paper); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 480px); gap: clamp(3rem, 6vw, 5.5rem); align-items: center; }
.hero-copy { padding-top: .5rem; }
.hero h1 { max-width: 11ch; font-size: clamp(3.4rem, 6.5vw, 5.6rem); }
.eyebrow, .section-kicker { margin-bottom: .6rem; color: var(--forest-2); font-size: .76rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.hero-tagline { max-width: 30ch; color: var(--forest); font-family: var(--serif); font-size: clamp(1.3rem, 2.8vw, 1.8rem); line-height: 1.35; }
.lede { max-width: 65ch; font-size: 1.08rem; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 1.35rem; margin: 2rem 0 2.8rem; }
.button { display: inline-block; padding: .78rem 1.05rem; text-decoration: none; font-weight: 600; }
.button.primary { background: var(--forest); color: #fff; }
.button.primary:hover { background: var(--forest-2); }
.text-link, .light-link, .doi { color: var(--forest-2); text-underline-offset: .2em; }
.affiliation { border-top: 1px solid var(--line); margin: 0; max-width: 670px; }
.affiliation div { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; padding: .65rem 0; border-bottom: 1px solid var(--line); }
.affiliation dt { color: var(--muted); font-size: .78rem; font-weight: 600; text-transform: uppercase; }
.affiliation dd { margin: 0; font-size: .92rem; }
.research-visual { width: 100%; max-width: 480px; margin: 0; position: relative; justify-self: end; }
.research-visual::before { content: ""; position: absolute; inset: -14px 14px 14px -14px; z-index: -1; border: 1px solid var(--forest); }
.research-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border: 1px solid rgba(11,66,60,.18); }
.research-visual figcaption { color: var(--muted); font-size: .75rem; margin-top: .65rem; line-height: 1.45; }

.campus-feature { padding: 0 0 clamp(3.5rem, 7vw, 6.5rem); border-bottom: 1px solid var(--line); }
.campus-frame { position: relative; margin: 0; overflow: hidden; background: var(--forest); }
.campus-frame > img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; object-position: center 53%; filter: saturate(.9) contrast(1.03); }
.campus-frame::after { content: ""; position: absolute; inset: 0 0 2.35rem; background: linear-gradient(90deg, rgba(7,31,28,.78), rgba(7,31,28,.18) 62%, transparent); pointer-events: none; }
.campus-overlay { position: absolute; left: clamp(1.5rem, 5vw, 4rem); bottom: clamp(4.2rem, 7vw, 6.5rem); z-index: 1; color: white; }
.campus-overlay .section-kicker { color: var(--lime); }
.campus-overlay h2 { max-width: 12ch; margin: 0; font-size: clamp(2rem, 4.5vw, 4rem); }
.campus-frame figcaption { min-height: 2.35rem; padding: .55rem .8rem; background: var(--paper); color: var(--muted); font-size: .7rem; }
.campus-frame figcaption a { text-underline-offset: .15em; }

.two-column, .split-section, .contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2.5rem, 9vw, 8rem); align-items: start; }
.large-copy { font-family: var(--serif); font-size: clamp(1.25rem, 2.4vw, 1.65rem); }
.large-copy p { color: var(--ink); }
.large-copy p + p, .prose p + p { margin-top: 1.4rem; }
.intro-section { padding: clamp(4.5rem, 7vw, 7rem) 0; }
.philosophy-header { display: grid; grid-template-columns: minmax(280px, .9fr) minmax(360px, 1.1fr); column-gap: clamp(3rem, 8vw, 8rem); align-items: end; margin-bottom: clamp(3rem, 6vw, 5rem); }
.philosophy-header .section-kicker { grid-column: 1 / -1; }
.philosophy-header h2 { max-width: 16ch; margin-bottom: 0; font-size: clamp(2.4rem, 4.8vw, 4.25rem); }
.philosophy-intro { max-width: 57ch; margin-bottom: .45rem; color: var(--ink); font-family: var(--serif); font-size: clamp(1.15rem, 1.8vw, 1.4rem); line-height: 1.55; }
.philosophy-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.philosophy-card { min-height: 280px; padding: clamp(1.5rem, 3vw, 2.2rem); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principle-step { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: clamp(2.5rem, 4vw, 4rem); }
.principle-step span { color: var(--forest-2); font-family: var(--serif); font-size: 1rem; }
.principle-step strong { color: var(--forest-2); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.philosophy-card h3 { font-family: var(--serif); font-size: clamp(1.4rem, 2vw, 1.75rem); }
.philosophy-card p { margin-bottom: 0; font-size: .92rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 3rem; }
.section-heading > p, .section-heading > a { max-width: 36ch; }

.research-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.research-card { padding: 2rem; min-height: 305px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.card-number { color: var(--forest-2); font-family: var(--serif); font-size: .9rem; }
.research-card h3 { font-family: var(--serif); font-size: 1.55rem; margin-top: 2.1rem; }
.tag-list, .inline-tags { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: 1.5rem 0 0; }
.tag-list li, .inline-tags li { border: 1px solid var(--line); border-radius: 20px; padding: .25rem .62rem; color: var(--muted); font-size: .72rem; }

.project-list { border-top: 1px solid var(--line); }
.project { display: grid; grid-template-columns: 12rem 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.project h3 { font-family: var(--serif); font-size: 1.7rem; }
.project p { max-width: 66ch; }
.status, .status-line { color: var(--forest-2); font-size: .73rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

.dark .section-kicker, .dark .light-link, .dark .doi { color: var(--lime); }
.publication-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid rgba(255,255,255,.2); }
.publication { display: grid; grid-template-columns: 5rem 1fr; gap: 2rem; padding: 2.2rem 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.pub-index { color: var(--lime); font-family: var(--serif); font-size: 1.4rem; }
.pub-labels { display: flex; gap: 1rem; color: #bcd0c8; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.publication h3 { max-width: 40ch; margin: .65rem 0; font-family: var(--serif); font-size: clamp(1.4rem, 3vw, 2rem); }
.publication h3 a, .conference-item h3 a, .post-card h3 a { text-decoration-thickness: 1px; text-underline-offset: .18em; }
.authors, .venue { margin-bottom: .3rem; font-size: .9rem; }
.venue { font-family: var(--serif); font-style: italic; }
.doi { font-size: .78rem; overflow-wrap: anywhere; }

.conference-list { border-top: 1px solid var(--line); }
.conference-item { display: grid; grid-template-columns: 7rem 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.conference-year { color: var(--forest-2); font-family: var(--serif); font-size: 1.35rem; }
.conference-item h3 { max-width: 48ch; font-family: var(--serif); font-size: 1.45rem; }
.status-line { margin-bottom: .4rem; }

.timeline { border-top: 1px solid var(--line); }
.timeline-item { position: relative; padding: 1.5rem 0 1.5rem 9rem; border-bottom: 1px solid var(--line); }
.timeline-item .period { position: absolute; left: 0; top: 1.65rem; width: 7.5rem; font-size: .78rem; }
.timeline-item h3 { margin-bottom: .25rem; }
.timeline-item p { margin-bottom: .25rem; }
.organization { color: var(--forest-2); font-weight: 600; }
.education-item { background: rgba(255,255,255,.36); }

.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.skills-grid article { background: var(--paper); padding: 2rem; }
.skills-grid h3 { font-family: var(--serif); font-size: 1.5rem; }
.skills-grid ul { padding-left: 1.15rem; margin: 1rem 0 0; color: var(--muted); }
.skills-grid li + li { margin-top: .35rem; }

.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.post-card { padding: 1.8rem; border: 1px solid var(--line); }
.post-card h3 { font-family: var(--serif); font-size: 1.55rem; }
.post-meta { color: var(--forest-2); font-size: .75rem; }
.contact-section { background: var(--lime); }
.contact-section p { color: #304038; }
.contact-section .button { margin: 1rem 0; }
.social-links { list-style: none; display: flex; flex-wrap: wrap; gap: 1rem; padding: 0; }
.social-links a { color: var(--forest); font-weight: 600; }

.site-footer { padding: 2rem 0; background: #071f1c; color: #bcd0c8; font-size: .82rem; }
.footer-grid { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.post-shell { min-height: 80vh; padding: clamp(4rem, 9vw, 8rem) 0; }
.post { max-width: 760px; }
.post h1 { max-width: 16ch; font-size: clamp(2.8rem, 7vw, 5rem); }
.post p { font-family: var(--serif); color: var(--ink); font-size: 1.17rem; }
.back-link { color: var(--forest-2); }

:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (max-width: 820px) {
  .menu-button { display: block; }
  #site-nav { display: none; position: absolute; inset: 72px 0 auto; padding: 1.25rem; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; }
  #site-nav.open { display: flex; }
  .hero-grid, .two-column, .split-section, .contact-grid { grid-template-columns: 1fr; }
  .philosophy-header { grid-template-columns: 1fr; align-items: start; }
  .philosophy-header .section-kicker { grid-column: auto; }
  .philosophy-header h2 { margin-bottom: 1.5rem; }
  .philosophy-grid { grid-template-columns: 1fr; }
  .philosophy-card { min-height: auto; }
  .principle-step { margin-bottom: 1.75rem; }
  .research-visual { max-width: 620px; justify-self: start; }
  .campus-frame > img { aspect-ratio: 4 / 3; }
  .campus-frame::after { background: linear-gradient(90deg, rgba(7,31,28,.72), rgba(7,31,28,.08)); }
  .research-grid, .skills-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .section-heading { align-items: start; flex-direction: column; }
}
@media (max-width: 560px) {
  .brand small { display: none; }
  .project, .conference-item, .publication { grid-template-columns: 1fr; gap: .7rem; }
  .timeline-item { padding-left: 0; padding-top: 3rem; }
  .timeline-item .period { top: 1.25rem; }
  .hero { padding: 2.5rem 0 3.25rem; }
  .hero h1 { font-size: clamp(3rem, 16vw, 4.4rem); }
  .campus-overlay { bottom: 4.4rem; }
  .campus-overlay h2 { font-size: 2rem; }
}