/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Restrained academic palette: deep charcoal + muted burgundy */
  --gt-navy:      #1f2933;   /* header / primary */
  --gt-navy-dark: #131a22;
  --gt-gold:      #8b2e3a;   /* accent (muted burgundy) */
  --gt-gold-warm: #a63e4d;   /* hover accent */
  --gt-gold-bg:   #f6ecec;   /* subtle badge background */

  /* Neutrals */
  --bg:           #fafaf7;
  --surface:      #ffffff;
  --text:         #1c1c1c;
  --text-muted:   #55606b;
  --border:       #e2e2de;

  /* Ongoing / in-progress colour */
  --ongoing:      #2b5876;
  --ongoing-bg:   #edf2f5;

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-serif: 'Source Serif 4', Georgia, serif;
  --max-width: 840px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.68;
}

a { color: var(--gt-navy); text-decoration: none; }
a:hover { color: var(--gt-gold-warm); text-decoration: underline; }

/* ===== TOP NAV BAR ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--gt-navy);
  border-bottom: 3px solid var(--gt-gold);
}

.topbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 46px;
}

.topbar-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.01em;
}

.topbar-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.topbar-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.78);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}

.topbar-links a:hover {
  color: var(--gt-gold-warm);
  text-decoration: none;
}

/* ===== LAYOUT ===== */
.site-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== HEADER ===== */
header.profile {
  background: var(--gt-navy);
  margin: 0 -1.5rem;          /* bleed to edges of wrapper */
  padding: 3rem 1.5rem 2.6rem;
  margin-bottom: 2.8rem;
  border-bottom: 4px solid var(--gt-gold);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.profile-photo {
  flex: 0 0 130px;
  width: 130px;
  height: 130px;
}

.profile-photo img {
  width: 130px;
  height: 130px;
  max-width: 130px;
  border-radius: 50%;
  object-fit: cover;
  object-position: 35% 25%;
  border: 3px solid var(--gt-gold);
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  display: block;
}

.profile-text {
  flex: 1;
  min-width: 0;
}

header h1 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: 1rem;
  color: rgba(255,255,255,0.82);
  margin-bottom: 0.35rem;
  line-height: 1.5;
}

.tagline a { color: var(--gt-gold-warm); }
.tagline a:hover { color: #fff; }

.advisors {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 1.1rem;
}

.advisors a { color: var(--gt-gold-warm); }
.advisors a:hover { color: #fff; }

.contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
}

.contact-links a {
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  transition: background 0.15s, color 0.15s;
}

.contact-links a:hover {
  background: var(--gt-gold);
  color: var(--gt-navy);
  text-decoration: none;
}

/* ===== SECTIONS ===== */
main { padding-bottom: 4rem; }

section { margin-bottom: 3rem; }

section h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--gt-navy);
  text-transform: uppercase;
  border-bottom: 2px solid var(--gt-gold);
  padding-bottom: 0.4rem;
  margin-bottom: 1.4rem;
}

/* ===== ABOUT ===== */
#about p { max-width: 72ch; }

/* ===== PUBLICATIONS ===== */
.pub-list { display: flex; flex-direction: column; gap: 1.4rem; }

.pub {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gt-gold);
  border-radius: 0 6px 6px 0;
  transition: box-shadow 0.15s ease, border-left-color 0.15s ease;
}

.pub:hover {
  box-shadow: 0 2px 14px rgba(0,0,0,0.08);
  border-left-color: var(--gt-navy);
}

.pub-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  padding-top: 0.1rem;
}

.venue {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--gt-gold-bg);
  color: #6b1f28;
  border: 1px solid var(--gt-gold);
  border-radius: 3px;
  padding: 0.18rem 0.5rem;
  line-height: 1.4;
}

.venue.ongoing {
  background: var(--ongoing-bg);
  color: var(--ongoing);
  border-color: #b4c5d1;
}

.badge {
  display: inline-block;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: #eef2ee;
  color: #2f5e3d;
  border: 1px solid #b6cbbb;
  border-radius: 3px;
  padding: 0.12rem 0.4rem;
  margin-left: 0.4rem;
  vertical-align: middle;
}

.pub-title {
  font-weight: 600;
  font-size: 0.975rem;
  margin-bottom: 0.2rem;
  line-height: 1.4;
  color: var(--gt-navy);
}

.pub-authors {
  font-size: 0.865rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.pub-desc {
  font-size: 0.865rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.pub-links { display: flex; gap: 0.75rem; font-size: 0.82rem; }
.pub-links a { font-weight: 600; color: var(--gt-navy); }
.pub-links a:hover { color: var(--gt-gold-warm); }

/* ===== EDUCATION ===== */
.edu-list { display: flex; flex-direction: column; gap: 1.1rem; }

.edu {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.9rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gt-navy);
  border-radius: 0 6px 6px 0;
}

.edu-school {
  font-weight: 600;
  font-size: 0.975rem;
  color: var(--gt-navy);
  margin-bottom: 0.15rem;
}

.edu-degree {
  font-size: 0.88rem;
  font-style: italic;
  margin-bottom: 0.2rem;
}

.edu-sub {
  font-size: 0.815rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.edu-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.1rem;
  font-size: 0.815rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ===== TEACHING ===== */
.ta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.ta-table thead th {
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gt-navy);
  border-bottom: 2px solid var(--gt-gold);
  padding: 0.4rem 0.5rem 0.5rem;
}

.ta-table tr { border-bottom: 1px solid var(--border); }
.ta-table tr:last-child { border-bottom: none; }

.ta-table td {
  padding: 0.65rem 0.5rem;
  vertical-align: top;
}

.ta-course { font-weight: 500; color: var(--gt-navy); width: 50%; }
.ta-instructor { color: var(--text-muted); width: 30%; }
.ta-date { color: var(--text-muted); text-align: right; white-space: nowrap; }

/* ===== SERVICE & AWARDS ===== */
.service-list,
.awards-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.service-list li,
.awards-list li {
  font-size: 0.9rem;
  padding-left: 1.2rem;
  position: relative;
}

.service-list li::before,
.awards-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--gt-gold-warm);
  font-size: 0.75rem;
  top: 0.18em;
}

/* ===== FOOTER ===== */
footer {
  background: var(--gt-navy);
  color: rgba(255,255,255,0.55);
  margin: 0 -1.5rem;
  padding: 1.4rem 1.5rem;
  font-size: 0.8rem;
  text-align: center;
  border-top: 3px solid var(--gt-gold);
}

footer a { color: var(--gt-gold-warm); }
footer a:hover { color: #fff; }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  header h1 { font-size: 2rem; }

  header.profile {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.2rem;
  }

  .profile-photo,
  .profile-photo img {
    width: 110px;
    height: 110px;
    flex-basis: 110px;
    max-width: 110px;
  }

  .contact-links { justify-content: center; }

  .topbar-links { display: none; }

  .pub {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .pub-meta { flex-direction: row; flex-wrap: wrap; }

  .edu {
    flex-direction: column;
    gap: 0.4rem;
  }
  .edu-right { align-items: flex-start; flex-direction: row; gap: 0.5rem; }

  .ta-table, .ta-table tbody, .ta-table tr, .ta-table td { display: block; }
  .ta-table tr { margin-bottom: 0.75rem; }
  .ta-instructor, .ta-date { padding-top: 0; }
  .ta-date { text-align: left; }
}