:root {
  --bg: #f7f8f5;
  --surface: #ffffff;
  --text: #202427;
  --muted: #697176;
  --line: #d9dedb;
  --accent: #0b766f;
  --accent-strong: #184f90;
  --warm: #c75032;
  --shadow: 0 18px 50px rgba(32, 36, 39, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(11, 118, 111, 0.08), transparent 28rem),
    var(--bg);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.65;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.25rem;
  padding: 0.85rem max(1.25rem, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(217, 222, 219, 0.8);
  background: rgba(247, 248, 245, 0.88);
  backdrop-filter: blur(14px);
}

.brand {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.2rem 1.15rem;
  font-size: 0.94rem;
}

.site-nav a {
  color: var(--muted);
}

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

.page {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.25rem);
  width: min(1180px, calc(100% - 2.5rem));
  margin: 3.75rem auto 0;
  align-items: start;
}

.profile {
  position: sticky;
  top: 6rem;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.portrait {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: #edf1ee;
}

.profile h1 {
  margin: 1.1rem 0 0;
  font-size: clamp(1.55rem, 1.4rem + 0.7vw, 2.05rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.role,
.affiliation {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.contact-list {
  display: grid;
  gap: 0.45rem;
  margin: 1.2rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.contact-list a {
  font-weight: 650;
}

.content {
  display: grid;
  gap: 3rem;
  min-width: 0;
}

.section {
  scroll-margin-top: 6rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}

.section:last-child {
  border-bottom: 0;
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 1.35rem + 1vw, 2.3rem);
  line-height: 1.18;
  letter-spacing: 0;
}

.section p {
  max-width: 760px;
  margin: 0.75rem 0 0;
  color: #3d4549;
  font-size: 1.02rem;
}

.section-heading {
  margin-bottom: 1.3rem;
}

.news-list {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-list li {
  display: grid;
  grid-template-columns: 5.25rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 0.2rem 0;
}

.news-list time {
  color: var(--warm);
  font-weight: 750;
}

.publication {
  display: grid;
  grid-template-columns: 8.25rem minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--line);
}

.publication h3,
.project h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.35;
  letter-spacing: 0;
}

.publication p,
.project p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.pub-meta {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.venue {
  width: fit-content;
  padding: 0.12rem 0.45rem;
  border: 1px solid rgba(11, 118, 111, 0.22);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(11, 118, 111, 0.07);
  font-weight: 750;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 0.65rem;
  font-size: 0.94rem;
  font-weight: 700;
}

.timeline {
  display: grid;
  gap: 0.95rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 9.75rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.timeline time {
  color: var(--warm);
  font-weight: 750;
}

.site-footer {
  width: min(1180px, calc(100% - 2.5rem));
  margin: 3rem auto 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

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

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

  .page {
    grid-template-columns: 1fr;
    margin-top: 2rem;
  }

  .profile {
    position: static;
    display: grid;
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: 1rem;
  }

  .portrait {
    grid-row: span 4;
  }

  .profile h1,
  .role,
  .affiliation {
    margin-top: 0;
  }

  .contact-list {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .site-header,
  .page,
  .site-footer {
    width: auto;
  }

  .site-header {
    padding-inline: 1rem;
  }

  .page,
  .site-footer {
    margin-inline: 1rem;
  }

  .profile {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    padding: 1rem;
  }

  .contact-list,
  .news-list li,
  .publication,
  .timeline li {
    grid-template-columns: 1fr;
  }

  .publication {
    gap: 0.7rem;
  }
}