@import url("https://fonts.googleapis.com/css2?family=Fraunces:wght@400;600;700&family=Space+Grotesk:wght@400;500;600&display=swap");

:root {
  --bg: #f4f0ea;
  --bg-alt: #efe6dc;
  --ink: #1b1a16;
  --muted: #4f4a3f;
  --accent: #b66a3c;
  --accent-dark: #8a4d2b;
  --card: #fffaf3;
  --line: #d7c8b8;
  --shadow: rgba(27, 26, 22, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

.bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(182, 106, 60, 0.18), transparent 45%),
    radial-gradient(circle at 20% 80%, rgba(27, 26, 22, 0.08), transparent 55%),
    linear-gradient(120deg, rgba(239, 230, 220, 0.8), rgba(244, 240, 234, 0.9));
  z-index: -1;
}

.container {
  width: min(1100px, 90vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(244, 240, 234, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.monogram {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--ink);
  color: var(--bg);
  display: grid;
  place-items: center;
  font-family: "Fraunces", serif;
  font-weight: 700;
}

.brand-text .name {
  font-weight: 600;
  font-size: 1.05rem;
}

.brand-text .role {
  color: var(--muted);
  font-size: 0.9rem;
}

.nav {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}

.hero {
  padding: 5rem 0 3.5rem;
}

.hero .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-family: "Fraunces", serif;
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  margin-bottom: 1rem;
}

.hero p {
  color: var(--muted);
  margin-bottom: 1.6rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.button {
  background: var(--accent);
  color: var(--bg);
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px var(--shadow);
}

.button.ghost {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid var(--accent);
}

.button.small {
  padding: 0.4rem 0.9rem;
  font-size: 0.9rem;
}

.hero-card {
  background: var(--card);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 20px 50px var(--shadow);
}

.card-label {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.card-title {
  font-family: "Fraunces", serif;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.card-list {
  list-style: none;
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}

.card-footer {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  color: var(--muted);
}

.section {
  padding: 4rem 0;
}

.section.alt {
  background: var(--bg-alt);
}

.section h2 {
  font-family: "Fraunces", serif;
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: center;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1.2rem;
}

.stat {
  background: var(--card);
  padding: 1.2rem;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 600;
}

.stat-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.teaching-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.teaching-card {
  background: var(--card);
  padding: 1.6rem;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px var(--shadow);
}

.teaching-card h3 {
  margin: 0.6rem 0;
}

.teaching-term {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.teaching-card.placeholder {
  border-style: dashed;
  color: var(--muted);
}

.tile {
  background: var(--card);
  padding: 1.6rem;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px var(--shadow);
}

.tile h3 {
  margin-bottom: 0.7rem;
}

.tile p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.tags {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.tags span {
  background: rgba(182, 106, 60, 0.15);
  color: var(--accent-dark);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
}

.tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.tab {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

.tab.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-panel.active {
  display: block;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

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

.papers {
  display: grid;
  gap: 1.4rem;
}

.paper {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.4rem;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.2rem;
}

.paper-year {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent-dark);
}

.paper-links {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 0.7rem;
}

.paper-links a {
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 600;
}

.map-card {
  display: grid;
  grid-template-columns: minmax(280px, 1fr);
  gap: 2rem;
  align-items: start;
}

.map {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px var(--shadow);
}

.map-image {
  display: block;
  width: 100%;
  height: auto;
}

.map-pins {
  position: absolute;
  inset: 0;
}

.map-pin {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(182, 106, 60, 0.25);
  transform: translate(-50%, -50%);
}

.map-pin-label {
  position: absolute;
  left: 12px;
  top: -8px;
  white-space: nowrap;
  background: rgba(17, 15, 12, 0.85);
  color: #f7f2ea;
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.map-pin:hover .map-pin-label,
.map-pin:focus-visible .map-pin-label {
  opacity: 1;
  transform: translateY(-12px);
}

.contact-card {
  background: var(--card);
  border-radius: 18px;
  border: 1px solid var(--line);
  padding: 1.6rem;
  display: grid;
  gap: 1rem;
}

.contact-label {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.contact-value {
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 800px) {
  .nav {
    display: none;
  }

  .map-card {
    grid-template-columns: 1fr;
  }

  .paper {
    grid-template-columns: 1fr;
  }
}