:root {
  color-scheme: light;
  --ink: #18201f;
  --muted: #5f6b67;
  --soft: #f5f1e9;
  --paper: #fffdf8;
  --line: #ded8cc;
  --accent: #0f6f5d;
  --accent-strong: #074f43;
  --gold: #c9822a;
  --rose: #9f4e55;
  --shadow: 0 22px 60px rgba(24, 32, 31, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.65;
}

a {
  color: var(--accent-strong);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--rose);
}

.site-header {
  align-items: center;
  background: rgba(255, 253, 248, 0.92);
  border-bottom: 1px solid rgba(222, 216, 204, 0.72);
  display: flex;
  justify-content: space-between;
  left: 0;
  padding: 16px clamp(20px, 5vw, 72px);
  position: sticky;
  right: 0;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
}

.brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  font-weight: 800;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: var(--ink);
  border-radius: 8px;
  color: white;
  display: inline-flex;
  font-size: 0.76rem;
  height: 36px;
  justify-content: center;
  letter-spacing: 0.04em;
  width: 36px;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 24px;
  font-size: 0.94rem;
  font-weight: 700;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent-strong);
}

.menu-toggle {
  background: transparent;
  border: 0;
  display: none;
  height: 40px;
  padding: 8px;
  width: 40px;
}

.menu-toggle span {
  background: var(--ink);
  display: block;
  height: 2px;
  margin: 5px 0;
  width: 24px;
}

.hero {
  display: grid;
  gap: clamp(30px, 5vw, 64px);
  grid-template-columns: minmax(0, 1fr) minmax(170px, 220px);
  margin: 0 auto;
  max-width: 1180px;
  min-height: calc(78vh - 72px);
  padding: clamp(34px, 6vw, 74px) clamp(20px, 5vw, 72px) 40px;
}

.hero-content {
  align-self: center;
}

.eyebrow,
.section-kicker {
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "Source Serif 4", Georgia, serif;
  line-height: 1.08;
}

h1 {
  font-size: clamp(3.3rem, 8.5vw, 6.9rem);
  letter-spacing: 0;
  margin: 0 0 14px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.7rem);
  margin: 0;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.72rem);
  margin: 0 0 10px;
}

.lead {
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.38rem);
  max-width: 760px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  align-items: center;
  border: 1px solid var(--line);
  color: var(--ink);
  display: inline-flex;
  font-weight: 800;
  min-height: 46px;
  padding: 10px 17px;
  text-decoration: none;
}

.button.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: white;
}

.profile-panel {
  align-self: center;
  background: #f8f4ec;
  border: 1px solid var(--line);
  justify-self: end;
  max-width: 220px;
  padding: 12px;
  box-shadow: var(--shadow);
}

.profile-photo {
  aspect-ratio: 4 / 5;
  display: block;
  object-fit: cover;
  width: 100%;
}

.section {
  border-top: 1px solid var(--line);
  margin: 0 auto;
  max-width: 1180px;
  padding: clamp(52px, 8vw, 92px) clamp(20px, 5vw, 72px);
}

.split-section {
  display: grid;
  gap: 42px;
  grid-template-columns: 0.48fr 1fr;
}

.section-heading {
  margin-bottom: 34px;
}

.news-heading {
  align-items: end;
  display: flex;
  gap: 24px;
  justify-content: space-between;
}

.news-toggle {
  background: white;
  cursor: pointer;
  font: inherit;
  margin-bottom: 4px;
}

.text-flow {
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 780px;
}

.topic-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 26px 0;
  padding: 0;
}

.topic-list li {
  border-left: 4px solid var(--gold);
  color: var(--ink);
  padding-left: 14px;
}

.news-list {
  display: grid;
  gap: 0;
}

.news-list.is-collapsed article:nth-of-type(n+5) {
  display: none;
}

.news-list article {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 22px;
  grid-template-columns: 128px 1fr;
  padding: 18px 0;
}

.news-list time {
  color: var(--accent-strong);
  font-weight: 800;
}

.news-list p {
  margin: 0;
}

.publication-list {
  display: grid;
  gap: 22px;
}

.publication {
  background: white;
  border: 1px solid var(--line);
  display: grid;
  gap: 26px;
  grid-template-columns: 74px 1fr;
  padding: clamp(20px, 3vw, 30px);
  box-shadow: 0 10px 34px rgba(24, 32, 31, 0.055);
}

.pub-year {
  color: var(--rose);
  font-size: 0.9rem;
  font-weight: 900;
}

.publication h3 a {
  color: var(--ink);
  text-decoration-color: rgba(15, 111, 93, 0.32);
}

.publication p {
  margin: 10px 0 0;
}

.authors,
.venue {
  color: var(--muted);
}

.venue {
  font-weight: 700;
}

.extra-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.extra-links a {
  background: var(--soft);
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 800;
  padding: 5px 9px;
  text-decoration: none;
}

.wip-list {
  color: var(--muted);
  display: grid;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.wip-list li {
  background: var(--soft);
  border-left: 4px solid var(--accent);
  padding: 18px 20px;
}

.wip-title {
  color: var(--ink);
  font-weight: 900;
}

.cv-section {
  align-items: start;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(260px, 0.42fr) 1fr;
}

.cv-section iframe {
  aspect-ratio: 8.5 / 11;
  border: 1px solid var(--line);
  min-height: 620px;
  width: 100%;
}

.footer {
  background: var(--ink);
  color: white;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 46px clamp(20px, 5vw, 72px);
}

.footer h2 {
  font-size: 2rem;
}

.footer p {
  margin: 8px 0 0;
}

.contact-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-links a {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: white;
  font-weight: 800;
  padding: 8px 12px;
  text-decoration: none;
}

@media (max-width: 840px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    gap: 0;
    left: 0;
    padding: 10px 20px 18px;
    position: absolute;
    right: 0;
    top: 69px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 10px 0;
    width: 100%;
  }

  .hero,
  .split-section,
  .cv-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .profile-panel {
    justify-self: start;
    max-width: 200px;
  }

  .news-list article,
  .publication {
    grid-template-columns: 1fr;
  }

  .news-heading {
    align-items: start;
    flex-direction: column;
  }

  .pub-year {
    margin-bottom: -14px;
  }

  .cv-section iframe {
    min-height: 520px;
  }

  .footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 14px 18px;
  }

  .hero-actions,
  .extra-links,
  .contact-links {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  .contact-links a {
    justify-content: center;
    text-align: center;
  }
}