:root {
  --bg: #f7f2ea;
  --bg-strong: #efe4d6;
  --ink: #1f2428;
  --ink-soft: #3e4a57;
  --primary: #1b3556;
  --accent: #d46b2c;
  --accent-dark: #b85a24;
  --card: #ffffff;
  --border: #e0d3c5;
  --shadow: 0 20px 45px rgba(27, 53, 86, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, #fff8ee 0%, var(--bg) 55%, #f1e3d5 100%);
  line-height: 1.6;
}

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

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

a:hover {
  color: var(--accent-dark);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--primary);
  color: #fff;
  padding: 8px 12px;
  border-radius: 999px;
  z-index: 100;
}

.skip-link:focus {
  left: 16px;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 242, 234, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(224, 211, 197, 0.6);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
}

.brand {
  font-family: "Libre Baskerville", "Georgia", serif;
  font-size: 1.4rem;
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 600;
  font-size: 0.98rem;
}

.nav-links a {
  color: var(--ink-soft);
  padding: 6px 10px;
  border-radius: 999px;
}

.nav-links a.active,
.nav-links a:hover {
  background: var(--bg-strong);
  color: var(--primary);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 600;
}

.site-main {
  padding-bottom: 80px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: center;
  padding: 64px 0 24px;
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.hero-text h1 {
  font-family: "Libre Baskerville", "Georgia", serif;
  font-size: clamp(2.6rem, 4vw, 3.6rem);
  margin: 8px 0 16px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--accent-dark);
  font-weight: 600;
  margin: 0;
}

.lead {
  font-size: 1.2rem;
  color: var(--ink-soft);
  margin: 0 0 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  border: 1px solid var(--primary);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(27, 53, 86, 0.18);
  color: #fff;
}

.button.ghost {
  background: transparent;
  color: var(--primary);
}

.hero-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 0;
}

.hero-details dt {
  font-weight: 700;
  margin-bottom: 4px;
}

.hero-details dd {
  margin: 0;
  color: var(--ink-soft);
}

.hero-photo {
  position: relative;
  display: flex;
  justify-content: center;
}

.photo-frame {
  background: var(--card);
  padding: 14px;
  border-radius: 24px;
  border: 1px solid var(--border);
  position: relative;
}

.section {
  padding: 48px 0;
}

.focus-section {
  background: rgba(255, 255, 255, 0.7);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.focus-section h2 {
  font-family: "Libre Baskerville", "Georgia", serif;
  margin-top: 0;
}

.focus-list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--ink-soft);
}

.focus-list li {
  padding: 6px 0;
  border-bottom: 1px dashed rgba(224, 211, 197, 0.7);
}

.content-section {
  padding-top: 16px;
}

.content-section .content-narrow {
  width: min(760px, 92vw);
}

.content-narrow h2 {
  font-family: "Libre Baskerville", "Georgia", serif;
  margin-top: 0;
}

.content-narrow a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(212, 107, 44, 0.4);
}

.content-narrow a:hover {
  text-decoration-color: var(--accent);
}

.content-narrow ul {
  padding-left: 20px;
}

.card-section {
  padding-top: 16px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 16px 30px rgba(31, 36, 40, 0.05);
  transition: transform 0.2s ease, border 0.2s ease;
  color: var(--ink);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(27, 53, 86, 0.3);
}

.card-title {
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}

.card-text {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.page-hero {
  padding: 56px 0 24px;
}

.page-hero h1 {
  font-family: "Libre Baskerville", "Georgia", serif;
  font-size: clamp(2.2rem, 3vw, 3rem);
  margin: 8px 0 12px;
}

.publications {
  padding-top: 16px;
}

.publications h2 {
  font-family: "Libre Baskerville", "Georgia", serif;
}

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

.pub-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.pub-citation {
  margin: 0 0 8px;
}

.pub-authors {
  font-weight: 600;
}

.pub-venue {
  font-style: italic;
  color: var(--ink-soft);
}

.pub-note {
  display: block;
  color: var(--ink-soft);
  margin-top: 6px;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 0.8rem;
  background: var(--bg-strong);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(27, 53, 86, 0.15);
}

.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--border);
  padding: 20px 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-photo {
    order: -1;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    right: 4vw;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero,
  .page-hero,
  .card {
    animation: rise 0.8s ease both;
  }

  .card:nth-child(2) {
    animation-delay: 0.05s;
  }

  .card:nth-child(3) {
    animation-delay: 0.1s;
  }

  .card:nth-child(4) {
    animation-delay: 0.15s;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}