:root {
  color-scheme: light;
  --bg: #f6f7f2;
  --surface: #ffffff;
  --surface-soft: #edf3ee;
  --ink: #17211d;
  --muted: #5f6b66;
  --line: #d8ded7;
  --accent: #09685b;
  --accent-strong: #064c44;
  --accent-soft: #dfeeea;
  --warm: #c55f2d;
  --shadow: 0 18px 45px rgba(23, 33, 29, 0.08);
  --radius: 8px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(120deg, rgba(9, 104, 91, 0.1), transparent 36%),
    linear-gradient(300deg, rgba(197, 95, 45, 0.09), transparent 42%);
}

a {
  color: inherit;
  text-decoration-color: rgba(9, 104, 91, 0.35);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

img {
  display: block;
  max-width: 100%;
}

.section-shell {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px max(20px, calc((100vw - var(--max-width)) / 2));
  border-bottom: 1px solid rgba(216, 222, 215, 0.88);
  background: rgba(246, 247, 242, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
  border: 2px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  object-fit: cover;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.site-nav a {
  min-height: 36px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a.is-active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 56px;
  align-items: center;
  min-height: min(calc(100vh - 72px), 900px);
  padding: 76px 0 96px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow,
.section-kicker,
.timeline-date,
.publication-meta span {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.eyebrow,
.section-kicker {
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 10ch;
  margin-bottom: 18px;
  font-size: clamp(3.5rem, 9vw, 6.8rem);
  line-height: 0.94;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  line-height: 1.04;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
  line-height: 1.35;
}

.lead {
  max-width: 680px;
  margin-bottom: 30px;
  color: #31413b;
  font-size: clamp(1.1rem, 2.5vw, 1.45rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(9, 104, 91, 0.18);
}

.button.primary:hover {
  background: var(--accent-strong);
  color: #ffffff;
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink);
}

.button.secondary:hover {
  border-color: rgba(9, 104, 91, 0.4);
  color: var(--accent-strong);
}

.profile-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
}

.profile-photo {
  width: 100%;
  aspect-ratio: 1;
  height: auto;
  margin-bottom: 28px;
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: 0 12px 28px rgba(23, 33, 29, 0.12);
}

.profile-panel dl {
  display: grid;
  gap: 18px;
  margin: 0;
}

.profile-panel div {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.profile-panel dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.profile-panel dd {
  margin: 0;
  font-weight: 700;
}

.section-band {
  background: rgba(255, 255, 255, 0.5);
  border-block: 1px solid rgba(216, 222, 215, 0.72);
}

.intro-grid,
.two-column {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 48px;
}

.intro-grid {
  align-items: center;
  padding: 54px 0;
}

.intro-grid p:last-child {
  margin-bottom: 0;
  color: #34433d;
  font-size: 1.12rem;
}

.content-section {
  padding: 88px 0;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h2 {
  max-width: 760px;
}

.publication-list,
.timeline {
  display: grid;
  gap: 14px;
}

.publication-card {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.publication-card h3 {
  max-width: 100%;
}

.paper-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  margin-left: 8px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--accent-strong);
  font-size: 0.86rem;
  line-height: 1;
  text-decoration: none;
  vertical-align: text-bottom;
}

.paper-link:hover {
  border-color: rgba(9, 104, 91, 0.42);
  background: var(--accent);
  color: #ffffff;
}

.publication-card p,
.timeline-item p {
  margin-bottom: 4px;
  color: var(--muted);
}

.publication-card strong {
  color: var(--ink);
}

.publication-card .contribution-note {
  margin-top: 8px;
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 700;
}

.compact .publication-card {
  background: rgba(255, 255, 255, 0.74);
}

.timeline-item {
  padding: 22px;
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 255, 255, 0.76);
}

.timeline-item ul {
  margin: 10px 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.timeline-item li + li {
  margin-top: 6px;
}

.muted {
  color: var(--muted);
}

.skill-section {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.skill-list li {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent-strong);
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #101916;
  color: #e9efec;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 96px;
  padding: 22px 0;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  color: #e9efec;
}

@media (min-width: 821px) and (max-aspect-ratio: 3/4) {
  .hero {
    min-height: auto;
    padding: 72px 0 88px;
  }
}

@media (max-width: 820px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    min-height: auto;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .intro-grid,
  .two-column,
  .skill-section {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 34px;
    min-height: auto;
    padding: 56px 0 64px;
  }

  h1 {
    font-size: clamp(3.2rem, 17vw, 5rem);
  }

  .content-section {
    padding: 64px 0;
  }

  .publication-card {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 520px) {
  .section-shell {
    width: min(var(--max-width), calc(100% - 28px));
  }

  .site-header {
    padding-inline: 14px;
  }

  .site-nav a {
    padding-inline: 10px;
    font-size: 0.86rem;
  }

  .button {
    width: 100%;
  }

  .profile-panel,
  .publication-card,
  .timeline-item {
    padding: 18px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}