/* ============ Design tokens ============ */
:root {
  --navy: #183259;
  --navy-dark: #101f38;
  --pale-blue: #dfe7f1;
  --pale-yellow: #fcf4c8;
  --ink: #232323;
  --grey: #5f5f5f;
  --grey-light: #8a8a8a;
  --line: #e3e3e3;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --max-width: 920px;
  --font-head: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Karla', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 17.5px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-head);
  color: var(--navy);
  line-height: 1.25;
  margin: 0 0 0.5em;
  font-weight: 600;
}

h1 { font-size: 2.9rem; }
h2 { font-size: 1.85rem; margin-top: 0; }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ Header / nav ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--navy);
  box-shadow: 0 2px 10px rgba(16,31,56,0.25);
}

.nav-wrap {
  max-width: 1320px;
  margin: 0 auto;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.56rem;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  flex-wrap: nowrap;
  gap: 2px;
  justify-content: flex-end;
}

.nav-links a {
  text-decoration: none;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  padding: 12px 13px;
  border-bottom: 4px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}

.nav-links a:hover { color: #fcf4c8; }
.nav-links a.active { border-bottom-color: #f0c94e; }

.nav-toggle {
  display: none;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}

/* ============ Hero ============ */
.hero {
  padding: 64px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.9fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--grey);
  margin-bottom: 10px;
}

.hero h1 { margin-bottom: 22px; }

.identity-line {
  font-size: 1.15rem;
  color: var(--grey);
  margin-bottom: 22px;
}

.identity-line strong { color: var(--navy); font-weight: 600; }

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

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform 0.1s, box-shadow 0.15s, background 0.15s;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--navy);
  color: #fff;
}
.btn-primary:hover { background: var(--navy-dark); color: #fff; }

.btn-secondary {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}
.btn-secondary:hover { background: var(--pale-blue); color: var(--navy); }

.btn-accent {
  background: #f0c94e;
  color: var(--navy-dark);
}
.btn-accent:hover { background: #e6ba2c; color: var(--navy-dark); }

/* ============ Sections ============ */
section { padding: 44px 0; }
section.soft { background: var(--bg-soft); }
.section-divider { border: none; border-top: 1px solid var(--line); margin: 0; }

.section-head { margin-bottom: 28px; }
.section-head p { color: var(--grey); font-size: 1.02rem; max-width: 640px; }

/* ============ Identity split cards (Home) ============ */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.split-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
}

.split-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--navy);
  background: var(--pale-blue);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.split-card ul { margin: 14px 0 0; padding-left: 20px; color: var(--grey); }
.split-card li { margin-bottom: 6px; }

.list-label {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.9rem;
  margin: 16px 0 4px;
}

/* ============ Tab preview cards (Home links to Publications/Projects/etc.) ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.tab-card {
  display: block;
  text-decoration: none;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  transition: box-shadow 0.15s, transform 0.15s, border-color 0.15s;
}

.tab-card:hover {
  box-shadow: 0 6px 20px rgba(24,50,89,0.10);
  transform: translateY(-2px);
  border-color: var(--navy);
}

.tab-card h3 { margin-bottom: 8px; color: var(--navy); }
.tab-card p { color: var(--grey); font-size: 0.94rem; margin-bottom: 0; }
.tab-card .arrow { color: var(--navy); font-weight: 600; font-size: 0.88rem; }

/* ============ Roles list (Home, Jamie-style continuous flow) ============ */
.roles-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.roles-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.roles-list li:last-child { border-bottom: none; }
.roles-list .role-name { font-weight: 600; color: var(--ink); }
.roles-list .role-org { color: var(--grey); font-size: 0.92rem; white-space: nowrap; }

/* ============ Publication / list entries ============ */
.pub-group { margin-bottom: 36px; }
.pub-group h3 {
  border-bottom: 2px solid var(--navy);
  padding-bottom: 8px;
  margin-bottom: 18px;
}

.pub-entry {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.pub-entry:last-child { border-bottom: none; }
.pub-entry .cite { color: var(--ink); }
.pub-entry .cite strong { color: var(--navy); }
.pub-entry a { word-break: break-word; }

/* ============ Placeholder / coming soon blocks ============ */
.placeholder-box {
  background: var(--bg-soft);
  border: 1.5px dashed var(--line);
  border-radius: 12px;
  padding: 48px 28px;
  text-align: center;
  color: var(--grey);
}
.placeholder-box .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--navy);
  background: var(--pale-yellow);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

/* ============ Book / newsletter feature blocks ============ */
.feature-block {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
  background: var(--bg-soft);
  border-radius: 14px;
  padding: 32px;
}

.book-cover {
  width: 100%;
  aspect-ratio: 3 / 4.5;
  border-radius: 8px;
  background: linear-gradient(155deg, var(--navy), var(--navy-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 600;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(24,50,89,0.25);
}

.status-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--navy-dark);
  background: var(--pale-yellow);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

/* ============ Newsletter CTA ============ */
.newsletter-cta {
  background: var(--navy);
  color: #fff;
  border-radius: 16px;
  padding: 44px;
  text-align: center;
}
.newsletter-cta h2 { color: #fff; }
.newsletter-cta p { color: #cdd7e6; max-width: 520px; margin-left: auto; margin-right: auto; }

.newsletter-cta.with-photo {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 36px;
  align-items: center;
  text-align: left;
}
.newsletter-cta.with-photo .newsletter-copy p { margin-left: 0; margin-right: 0; }
.newsletter-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255,255,255,0.18);
}

.subscribe-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 22px;
}

.subscribe-form input[type="email"] {
  padding: 12px 14px;
  border-radius: 8px;
  border: none;
  min-width: 260px;
  font-size: 0.95rem;
  font-family: var(--font-body);
}

.subscribe-form button {
  padding: 12px 22px;
  border-radius: 8px;
  border: none;
  background: var(--pale-yellow);
  color: var(--navy-dark);
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.subscribe-form button:hover { background: #fff; }

/* ============ Footer ============ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  margin-top: 24px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-name {
  font-family: var(--font-head);
  color: var(--navy);
  font-weight: 600;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.footer-links a { color: var(--grey); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--navy); }
.footer-links svg { width: 16px; height: 16px; fill: currentColor; flex-shrink: 0; }

.footer-copy {
  color: var(--grey-light);
  font-size: 0.82rem;
  margin-top: 18px;
  text-align: center;
}

/* ============ Newsletter popup ============ */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16,31,56,0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.popup-overlay.visible { display: flex; }

.popup-box {
  background: #fff;
  border-radius: 16px;
  max-width: 420px;
  width: 100%;
  padding: 32px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  text-align: center;
}

.popup-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--grey);
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}
.popup-close:hover { color: var(--navy); }

.popup-box h3 { margin-bottom: 8px; }
.popup-box p { color: var(--grey); font-size: 0.94rem; }

/* ============ Responsive ============ */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-photo { max-width: 280px; margin: 0 auto; }
  .split-grid { grid-template-columns: 1fr; }
  .feature-block { grid-template-columns: 1fr; }
  .book-cover { max-width: 200px; margin: 0 auto; }
  h1 { font-size: 2.1rem; }

  .newsletter-cta.with-photo { grid-template-columns: 1fr; text-align: center; }
  .newsletter-cta.with-photo .newsletter-copy p { margin-left: auto; margin-right: auto; }
  .newsletter-photo { margin: 0 auto; }

  .nav-wrap { flex-wrap: wrap; }
  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.4);
    background: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--navy);
  }
}