/* ── Variables ─────────────────────────────────────────────────── */
:root {
  --bg:           #F5ECD7;
  --bg-alt:       #EDE0C4;
  --red:          #B8102A;
  --red-dark:     #8C0D20;
  --text:         #1C1008;
  --text-muted:   #6B4C3B;
  --border:       #D9C4A0;
  --nav-h:        64px;
}

/* ── Reset & Base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

a {
  color: var(--red);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* ── Navigation ────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  height: var(--nav-h);
  background: rgba(245, 236, 215, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  z-index: 100;
}

.nav-name {
  font-family: 'Lora', serif;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text);
  white-space: nowrap;
  text-decoration: none;
}
.nav-name:hover { text-decoration: none; color: var(--text); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--red);
  text-decoration: none;
}

/* ── Banner ────────────────────────────────────────────────────── */
.banner {
  position: relative;
  width: 100%;
  height: 62vh;
  min-height: 340px;
  max-height: 560px;
  overflow: hidden;
}

.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(28, 16, 8, 0.08) 0%,
    rgba(28, 16, 8, 0.48) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1.5rem, 5vw, 4rem);
}

.banner-title {
  font-family: 'Lora', serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 500;
  font-style: italic;
  color: #F5ECD7;
  letter-spacing: 0.01em;
  line-height: 1.2;
  text-shadow: 0 1px 12px rgba(0,0,0,0.35);
}

.banner-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: clamp(0.8rem, 1.4vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245, 236, 215, 0.85);
  margin-top: 0.5rem;
  text-shadow: 0 1px 8px rgba(0,0,0,0.3);
}

/* ── Layout ────────────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}
section:last-child { border-bottom: none; }

/* ── Section Headers ───────────────────────────────────────────── */
.section-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.6rem;
}

h2 {
  font-family: 'Lora', serif;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 500;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 2rem;
}

h3 {
  font-family: 'Lora', serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.75rem;
}

/* ── About (Biography) ─────────────────────────────────────────── */
.about-bio {
  max-width: 680px;
}

.about-bio p + p { margin-top: 1.1em; }

.about-bio p {
  color: var(--text);
  font-size: 0.975rem;
}

/* ── Research ──────────────────────────────────────────────────── */
.research-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 5rem;
  align-items: start;
}

.research-blurb {
  font-size: 0.975rem;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.research-sidebar {
  border-left: 2px solid var(--border);
  padding-left: 2rem;
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}

.research-interests {
  list-style: none;
  margin-top: 0.75rem;
}

.research-interests li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.research-interests li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .research-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .research-sidebar {
    border-left: none;
    border-top: 2px solid var(--border);
    padding-left: 0;
    padding-top: 1.5rem;
    position: static;
  }
}

/* ── Publications ──────────────────────────────────────────────── */
.pub-group { margin-bottom: 3rem; }
.pub-group:last-child { margin-bottom: 0; }

.pub-group-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.pub-list { list-style: none; }

.pub-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--bg-alt);
  font-size: 0.92rem;
}
.pub-item:last-child { border-bottom: none; }

.pub-title {
  font-family: 'Lora', serif;
  font-style: italic;
  color: var(--text);
  font-size: 0.97rem;
}

.pub-meta {
  color: var(--text-muted);
  font-size: 0.84rem;
  margin-top: 0.25rem;
}

.pub-link {
  font-size: 0.8rem;
  color: var(--red);
  margin-top: 0.25rem;
  display: inline-block;
}

/* ── Media ─────────────────────────────────────────────────────── */
.media-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
}

.media-card {
  display: block;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  aspect-ratio: 16 / 9;
  background: var(--text);
}

.media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, opacity 0.3s ease;
  opacity: 0.82;
}

.media-card:hover img {
  transform: scale(1.03);
  opacity: 0.6;
}

.media-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(28, 16, 8, 0.88) 0%,
    rgba(28, 16, 8, 0.2) 55%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem 1.25rem 1.1rem;
}

.media-card-title {
  font-family: 'Lora', serif;
  font-style: italic;
  font-size: 0.95rem;
  color: #F5ECD7;
  line-height: 1.35;
  margin-bottom: 0.4rem;
}

.media-card-meta {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 236, 215, 0.7);
}

.media-card-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: rgba(184, 16, 42, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
}

.media-card:hover .media-card-play {
  background: var(--red);
  transform: translate(-50%, -50%) scale(1.08);
}

.media-card-play svg {
  width: 18px;
  height: 18px;
  fill: #F5ECD7;
  margin-left: 3px;
}

@media (max-width: 768px) {
  .media-grid { grid-template-columns: 1fr; }
}

/* ── Conference Presentations ──────────────────────────────────── */
.conf-presentations {
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.conf-presentations h3 {
  margin-bottom: 1.25rem;
}

/* ── Teaching ──────────────────────────────────────────────────── */
.teaching-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.course-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.4rem 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
}

.course-role {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
}

.role-leader           { color: var(--red); }
.role-leader-supervisor { color: var(--red-dark); }
.role-gta              { color: var(--text-muted); }
.role-adjunct          { color: #4A6068; }

.course-code {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.course-title {
  font-family: 'Lora', serif;
  font-size: 0.97rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 0.3rem;
}

.course-uni {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.course-details {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

.course-details summary {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--red);
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  user-select: none;
}

.course-details summary::-webkit-details-marker { display: none; }

.course-details summary::after {
  content: '↓';
  font-size: 0.7rem;
  transition: transform 0.2s;
}

.course-details[open] summary::after {
  transform: rotate(180deg);
}

.course-desc {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-top: 0.65rem;
}

@media (max-width: 768px) {
  .teaching-grid { grid-template-columns: 1fr; }
}

/* ── Contact ───────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-blurb {
  font-size: 0.975rem;
  color: var(--text);
}

.contact-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-links li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.contact-links .link-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-muted);
  min-width: 80px;
}

.contact-links a {
  color: var(--text);
  font-size: 0.9rem;
}
.contact-links a:hover { color: var(--red); }

/* ── Footer ────────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--border);
}

/* ── Hamburger ─────────────────────────────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}

nav.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
nav.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .nav-name { font-size: 0.9rem; }

  section { padding: 3rem 0; }

  .banner {
    height: 50vw;
    min-height: 220px;
    max-height: 420px;
  }

  .banner-title { font-size: clamp(1.4rem, 6vw, 2rem); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(245, 236, 215, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0 1rem;
    box-shadow: 0 4px 16px rgba(28,16,8,0.08);
  }

  nav.open .nav-links { display: flex; }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 0.85rem clamp(1.5rem, 5vw, 4rem);
    font-size: 0.9rem;
    color: var(--text);
    border-bottom: 1px solid var(--bg-alt);
  }

  .nav-links a:hover,
  .nav-links a.active {
    background: var(--bg-alt);
    color: var(--red);
  }

  /* Larger tap targets */
  .course-details summary {
    padding: 0.6rem 0;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .pub-link {
    padding: 0.3rem 0;
    display: inline-block;
    min-height: 44px;
    line-height: 44px;
  }

  .contact-links li { min-height: 44px; align-items: center; }

  .media-card-play { width: 56px; height: 56px; }
}