/* ------------------------------------------------------------------
   Tanya Schmah — personal academic site
   Palette: white background, charcoal text, steel-blue accent
------------------------------------------------------------------ */

:root {
  --bg: #ffffff;
  --text: #222222;
  --muted: #5c5c5c;
  --accent: #2c5f7c;
  --accent-hover: #1f4459;
  --rule: #dde3e8;
  --max-width: 780px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Georgia, 'Times New Roman', Times, serif;
  font-size: 17px;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

a:hover,
a:focus-visible {
  border-bottom-color: var(--accent);
}

/* ---------- Nav ---------- */

nav.site-nav {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
}

nav.site-nav ul {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  font-family: -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

nav.site-nav li {
  padding: 0.85rem 0;
}

nav.site-nav a {
  color: var(--text);
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

nav.site-nav a:hover,
nav.site-nav a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

nav.site-nav a[aria-current="page"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Layout ---------- */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

h1 {
  font-size: 1.7rem;
  font-weight: 400;
  margin: 0 0 0.15rem;
}

h1 .credentials {
  display: block;
  font-family: -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 400;
  margin-top: 0.35rem;
}

h2 {
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.35rem;
  margin: 2.5rem 0 1rem;
}

h2:first-of-type {
  margin-top: 2rem;
}

h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 1.25rem 0 0.35rem;
}

p {
  margin: 0 0 1rem;
}

ul, ol {
  margin: 0 0 1rem;
  padding-left: 1.3rem;
}

li {
  margin-bottom: 0.3rem;
}

/* ---------- Home page header block ---------- */

.profile {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.profile img {
  width: 160px;
  height: 216px;
  object-fit: cover;
  border: 1px solid var(--rule);
}

.profile-info {
  flex: 1;
  min-width: 240px;
}

.contact {
  font-family: -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 0.92rem;
  color: var(--muted);
  margin-top: 1rem;
  line-height: 1.75;
}

.contact strong {
  color: var(--text);
}

/* ---------- Course / publication lists ---------- */

.course-term {
  font-family: -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.note {
  font-family: -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 0.88rem;
  color: var(--muted);
  background: #f4f7f9;
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1rem;
  margin: 1rem 0 1.5rem;
}

/* ---------- Footer ---------- */

footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  font-family: -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 0.78rem;
  color: var(--muted);
  border-top: 1px solid var(--rule);
}

/* ---------- Small screens ---------- */

@media (max-width: 480px) {
  .profile img {
    width: 130px;
    height: 176px;
  }
  nav.site-nav ul {
    gap: 0.25rem 1rem;
  }
}