:root {
  --bg: #fbfaf8;
  --bg-alt: #f2f0eb;
  --ink: #1f1d1a;
  --ink-soft: #524d46;
  --border: #e2ded5;
  --accent: #8a5a3b;
  --accent-soft: #eee3d8;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513;
    --bg-alt: #1e1c19;
    --ink: #eeeae3;
    --ink-soft: #b7b0a5;
    --border: #322f2a;
    --accent: #d6a475;
    --accent-soft: #2b2420;
  }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
}

h2 {
  font-size: 1.5rem;
  margin: 0 0 1.1rem;
  padding-top: 0.25rem;
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 0.3rem;
}

p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

a:hover,
a:focus-visible {
  border-bottom-color: var(--accent);
}

/* Hero */

.hero {
  text-align: center;
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.avatar {
  display: block;
  width: 200px;
  height: 200px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 50%;
  border: 1px solid var(--border);
  background: var(--accent-soft);
}

.hero h1 {
  font-size: 2.1rem;
  margin: 0 0 0.4rem;
}

.hero .title {
  font-size: 1.05rem;
  color: var(--ink);
  margin: 0 0 0.25rem;
  font-weight: 500;
}

.hero .subtitle {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
}

.links {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.cv-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
}

.cv-link svg {
  width: 14px;
  height: 14px;
}

.links .dot {
  color: var(--border);
  margin: 0 0.5em;
}

.section-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem 1.1rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-nav a {
  color: var(--ink-soft);
}

.section-nav a:hover,
.section-nav a:focus-visible {
  color: var(--accent);
}

/* Main sections */

main.wrap {
  padding-top: 2.5rem;
  padding-bottom: 3.5rem;
}

main section {
  margin-bottom: 3.2rem;
  scroll-margin-top: 1.5rem;
}

main section:last-child {
  margin-bottom: 0;
}

/* Research cards */

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.3rem 1.5rem;
  margin-bottom: 1.1rem;
  background: var(--bg-alt);
}

.card:last-child {
  margin-bottom: 0;
}

.card-figure {
  display: block;
  width: calc(100% + 3rem);
  margin: -1.3rem -1.5rem 1rem;
  border-radius: 10px 10px 0 0;
  height: 220px;
  object-fit: cover;
  object-position: center;
}

.card h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
}

.tag {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
}

.card p {
  margin-bottom: 0.6rem;
}

.project-link {
  font-size: 0.9rem;
  font-weight: 500;
}

/* Videos */

.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.3rem;
}

.video-embed {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px dashed var(--border);
  border-radius: 10px;
  background: var(--bg-alt);
  overflow: hidden;
  margin-bottom: 0.6rem;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 1rem;
  color: var(--ink-soft);
  font-size: 0.78rem;
  text-align: center;
}

.video-placeholder svg {
  width: 26px;
  height: 26px;
  color: var(--border);
}

.video-card h3 {
  font-size: 0.95rem;
  margin: 0;
}

/* Experience / Education entries */

.entry {
  margin-bottom: 1.6rem;
}

.entry:last-child {
  margin-bottom: 0;
}

#experience .entry {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}

.entry-logo {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  margin-top: 0.15rem;
  padding: 6px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #ffffff;
  object-fit: contain;
}

.entry-body {
  flex: 1 1 auto;
  min-width: 0;
}

.entry-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.3rem 1rem;
}

.period {
  font-size: 0.85rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

.org {
  font-size: 0.92rem;
  color: var(--accent);
  margin: 0 0 0.35rem;
  font-weight: 500;
}

.entry p:last-child {
  margin-bottom: 0;
}

/* Awards */

.plain-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.plain-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--ink-soft);
}

.plain-list li:last-child {
  border-bottom: none;
}

/* Publications */

.pub-group {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-weight: 600;
  margin: 1.6rem 0 0.8rem;
}

.pub-group:first-of-type {
  margin-top: 0;
}

.pub-list {
  margin: 0 0 0.5rem;
  padding-left: 1.3rem;
}

.pub-list li {
  color: var(--ink-soft);
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
}

/* Footer */

footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 2rem 0;
  text-align: center;
}

footer p {
  margin: 0 0 0.3rem;
  font-size: 0.9rem;
}

.fine-print {
  font-size: 0.78rem;
  color: var(--ink-soft);
}

/* Responsive */

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero { padding: 3rem 0 2rem; }
  .hero h1 { font-size: 1.7rem; }
  .avatar { width: 148px; height: 148px; }
  main.wrap { padding-top: 4rem; padding-bottom: 2.5rem; }
  .card { padding: 1.1rem 1.2rem; }
  .card-figure {
    width: calc(100% + 2.4rem);
    margin: -1.1rem -1.2rem 1rem;
    height: 170px;
  }
}