:root {
  --bg: #f4f1ea;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #fffdf8;
  --border: rgba(18, 39, 53, 0.12);
  --text: #1c2730;
  --muted: #5f6d78;
  --accent: #1f5d58;
  --accent-soft: #dcebe8;
  --shadow: 0 18px 40px rgba(28, 39, 48, 0.08);
  --max-width: 1120px;
  --radius-lg: 24px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 93, 88, 0.12), transparent 28%),
    linear-gradient(180deg, #f7f4ee 0%, #f1eee7 100%);
  line-height: 1.65;
}

a {
  color: inherit;
}

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

.container {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(244, 241, 234, 0.78);
  border-bottom: 1px solid rgba(18, 39, 53, 0.08);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  font-family: "Fraunces", serif;
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.98rem;
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.profile-links a:hover,
.profile-links a:focus-visible,
.section-link a:hover,
.section-link a:focus-visible,
.plain-list a:hover,
.plain-list a:focus-visible {
  color: var(--accent);
}

.hero {
  padding: 2rem 0 1.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.profile-card,
.section-body,
.hero-copy {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.profile-card {
  padding: 1rem;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.profile-photo {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: calc(var(--radius-lg) - 8px);
  margin-bottom: 1.25rem;
  background: #f3efe7;
}

.eyebrow,
.intro-label,
.section-label {
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
}

.profile-card h1,
.hero-copy h2,
.section-heading h3 {
  margin: 0;
  font-family: "Fraunces", serif;
  line-height: 1.1;
}

.profile-card h1 {
  font-size: 2.2rem;
}

.profile-title {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-weight: 600;
}

.lead,
.section-body p,
.section-body li {
  font-size: 1.02rem;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
}

.profile-links a,
.section-link a,
.plain-list a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.hero-copy {
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.lead {
  margin: 0;
  color: var(--muted);
}

.lead + .lead,
.lead + .focus-list {
  margin-top: 1rem;
}

.focus-list,
.plain-list {
  margin: 1.5rem 0 0;
  padding-left: 1.25rem;
}

.focus-list li,
.plain-list li {
  margin-bottom: 0.7rem;
}

.content-section {
  padding: 1rem 0;
  scroll-margin-top: 96px;
}

.section-grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.section-heading {
  padding-top: 1rem;
}

.section-heading h3 {
  font-size: 2rem;
}

.section-body {
  padding: 1.6rem 1.75rem;
  border-radius: var(--radius-md);
}

.section-alt .section-body {
  background: var(--surface-strong);
}

.paper-item + .paper-item {
  margin-top: 1.3rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--border);
}

.paper-item h4 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  line-height: 1.35;
}

.paper-item p {
  margin: 0.3rem 0;
}

.paper-meta,
.list-year {
  color: var(--muted);
}

.list-year {
  display: inline-block;
  min-width: 3.4rem;
  font-weight: 700;
}

.compact-list {
  margin-top: 0.8rem;
}

.section-link {
  margin-top: 1.25rem;
}

#contact {
  scroll-margin-top: 96px;
}

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

  .section-heading {
    padding-top: 0;
  }

  .hero {
    padding-top: 1.5rem;
  }
}

@media (max-width: 640px) {
  .nav-shell {
    align-items: flex-start;
    padding: 0.9rem 0;
  }

  .site-nav {
    gap: 0.75rem 1rem;
  }

  .hero-copy,
  .section-body,
  .profile-card {
    padding: 1.2rem;
  }
}