:root {
  --navy: #11243d;
  --navy-soft: #1b3557;
  --accent: #c66a2b;
  --accent-dark: #a95018;
  --cream: #f7f4ee;
  --surface: #ffffff;
  --text: #273142;
  --muted: #667085;
  --line: #d9dee7;
  --shadow: 0 18px 50px rgba(17, 36, 61, 0.12);
  --radius: 20px;
  --max-width: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--surface);
  font-family: "Inter", Arial, sans-serif;
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(17,36,61,.08);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
}

.brand strong,
.brand small { display: block; }

.brand strong { color: var(--navy); }
.brand small { color: var(--muted); font-size: .75rem; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: .94rem;
  font-weight: 600;
}

.main-nav a {
  color: var(--navy);
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 2px;
  background: var(--accent);
  transition: right .2s ease;
}

.main-nav a:hover::after { right: 0; }

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 5px 0;
  background: var(--navy);
}

.hero {
  overflow: hidden;
  padding: 88px 0 80px;
  background:
    radial-gradient(circle at 85% 10%, rgba(198,106,43,.18), transparent 32%),
    linear-gradient(135deg, #f9fafc 0%, #f6f1e8 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, .65fr);
  gap: 68px;
  align-items: center;
}

.eyebrow, .section-kicker {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .13em;
  font-size: .78rem;
  font-weight: 700;
}

h1, .section-title {
  font-family: "Playfair Display", Georgia, serif;
  color: var(--navy);
  line-height: 1.15;
}

h1 {
  margin: 0;
  max-width: 850px;
  font-size: clamp(2.6rem, 5vw, 5rem);
}

.hero-text {
  max-width: 760px;
  margin: 24px 0 0;
  font-size: 1.08rem;
  color: #4b5565;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
}

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

.btn-primary:hover { background: var(--navy-soft); }

.btn-secondary {
  border: 1px solid var(--navy);
  color: var(--navy);
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 36px;
}

.stat {
  padding: 16px;
  border-left: 3px solid var(--accent);
  background: rgba(255,255,255,.72);
}

.stat strong {
  display: block;
  color: var(--navy);
  font-size: 1.45rem;
}

.stat span {
  color: var(--muted);
  font-size: .82rem;
}

.profile-card {
  padding: 28px;
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
  border: 1px solid rgba(17,36,61,.08);
}

.profile-photo-wrap {
  aspect-ratio: 4/4.7;
  overflow: hidden;
  border-radius: 18px;
  background: var(--cream);
}

.profile-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-card h2 {
  margin: 20px 0 4px;
  color: var(--navy);
}

.profile-card p {
  margin: 3px 0;
  color: var(--muted);
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 18px;
}

.profile-links a {
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--cream);
  color: var(--navy);
  font-size: .78rem;
  font-weight: 700;
}

.section {
  padding: 90px 0;
}

.section-muted {
  background: var(--cream);
}

.section-title {
  margin: 0 0 28px;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.two-column {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 70px;
}

.prose {
  font-size: 1.06rem;
}

.prose p:first-child { margin-top: 0; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.info-card, .project-card {
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(17,36,61,.08);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}

.info-card {
  padding: 24px;
}

.info-card:hover, .project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.info-card .icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(198,106,43,.12);
  color: var(--accent-dark);
  font-weight: 700;
}

.info-card h3, .project-card h3 {
  color: var(--navy);
  margin: 18px 0 8px;
}

.info-card p, .project-card p {
  color: var(--muted);
  font-size: .94rem;
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 28px;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 8px 13px;
  color: var(--navy);
  cursor: pointer;
}

.filter-btn.active, .filter-btn:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.timeline-list {
  display: grid;
  gap: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.timeline-item .year {
  color: var(--accent);
  font-weight: 700;
}

.timeline-item h3 {
  margin: 0 0 6px;
  color: var(--navy);
  font-size: 1rem;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.badge {
  align-self: start;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--cream);
  color: var(--navy);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.accordion-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.accordion-item {
  background: #fff;
  border: 1px solid rgba(17,36,61,.09);
  border-radius: 16px;
  overflow: hidden;
}

.accordion-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border: 0;
  background: transparent;
  color: var(--navy);
  cursor: pointer;
  text-align: left;
  font-weight: 700;
}

.accordion-button span:last-child {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  transition: transform .2s ease;
}

.accordion-item.open .accordion-button span:last-child {
  transform: rotate(45deg);
  background: var(--accent);
}

.accordion-content {
  display: none;
  padding: 0 22px 20px;
  color: var(--muted);
}

.accordion-item.open .accordion-content {
  display: block;
}

.accordion-content ul {
  margin: 0;
  padding-left: 18px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card {
  padding: 26px;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.download-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.download-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 110px;
  padding: 22px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(17,36,61,.08);
}

.download-item strong,
.download-item small {
  display: block;
}

.download-item strong { color: var(--navy); }
.download-item small { color: var(--muted); margin-top: 4px; }

.contact-section {
  background: var(--navy);
  color: #fff;
}

.contact-section .section-title { color: #fff; }
.contact-section .section-kicker { color: #e99b65; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-card {
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
}

.contact-card > div + div {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.13);
}

.contact-card small {
  display: block;
  color: #d0d8e2;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 4px;
}

.contact-card p { margin: 0; }

.site-footer {
  padding: 24px 0;
  background: #0c192a;
  color: #c9d3df;
  font-size: .88rem;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 78px;
    display: none;
    padding: 18px;
    border-radius: 16px;
    background: #fff;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: flex-start;
  }
  .main-nav.open { display: flex; }
  .hero-grid, .two-column, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 42px; }
  .profile-card { max-width: 480px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid, .download-list { grid-template-columns: 1fr 1fr; }
  .section-heading-row { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--max-width)); }
  .hero { padding: 58px 0; }
  .section { padding: 64px 0; }
  .quick-stats { grid-template-columns: 1fr; }
  .card-grid, .accordion-grid, .project-grid, .download-list { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .badge { justify-self: start; }
  .footer-row { align-items: flex-start; flex-direction: column; }
}


/* Enhanced publication cards */
.publication-card { align-items: start; }
.publication-content h3 { margin: 0 0 8px; font-size: 1.08rem; line-height: 1.45; }
.publication-content p { margin: 5px 0; }
.publication-authors { color: var(--text) !important; font-weight: 600; }
.publication-venue { color: var(--muted); font-style: italic; }
.publication-details { color: var(--muted); }
.publication-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 15px; }
.publication-meta a, .publication-tag { display: inline-flex; align-items: center; padding: 7px 11px; border-radius: 999px; font-size: .76rem; font-weight: 700; }
.publication-meta a { background: var(--navy); color: #fff; transition: background .2s ease, transform .2s ease; }
.publication-meta a:hover { background: var(--accent); transform: translateY(-1px); }
.publication-tag { background: var(--cream); color: var(--accent-dark); border: 1px solid rgba(198,106,43,.25); }
.empty-message { padding: 24px; border-radius: 14px; background: var(--cream); color: var(--muted); }


/* Protected student downloads */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.download-access-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px 20px;
  align-items: center;
  max-width: 780px;
  padding: 28px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(17,36,61,.1);
  box-shadow: 0 14px 35px rgba(17,36,61,.08);
}

.download-lock-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--cream);
  font-size: 1.55rem;
}

.download-access-card h3 {
  margin: 0 0 5px;
  color: var(--navy);
}

.download-access-card p {
  margin: 0;
  color: var(--muted);
}

.download-login-form {
  grid-column: 1 / -1;
  display: flex;
  gap: 12px;
}

.download-login-form input {
  flex: 1;
  min-width: 0;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font: inherit;
  color: var(--text);
  background: #fff;
}

.download-login-form input:focus {
  outline: 3px solid rgba(198,106,43,.16);
  border-color: var(--accent);
}

.download-message {
  grid-column: 1 / -1;
  min-height: 1.4em;
  color: #a32626 !important;
  font-weight: 600;
}

.protected-downloads[hidden],
.download-access-card[hidden] {
  display: none !important;
}

.download-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.download-filter,
.lock-downloads-btn {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 13px;
  background: #fff;
  color: var(--navy);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

.download-filter.active,
.download-filter:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.lock-downloads-btn:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.student-download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.student-download-card {
  padding: 22px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(17,36,61,.09);
  transition: transform .2s ease, box-shadow .2s ease;
}

.student-download-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.student-download-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.resource-type-badge,
.file-type-badge {
  display: inline-flex;
  padding: 6px 9px;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 700;
}

.resource-type-badge {
  background: var(--navy);
  color: #fff;
}

.file-type-badge {
  background: var(--cream);
  color: var(--accent-dark);
}

.student-download-card h3 {
  margin: 17px 0;
  color: var(--navy);
  line-height: 1.4;
}

.download-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 16px;
  margin: 0;
}

.download-details dt {
  color: var(--muted);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 700;
}

.download-details dd {
  margin: 2px 0 0;
  font-size: .86rem;
}

.download-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 18px;
}

.download-card-actions a {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font-size: .76rem;
  font-weight: 700;
}

.download-card-actions a:hover {
  background: var(--accent);
}

@media (max-width: 980px) {
  .student-download-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .download-login-form,
  .download-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .download-login-form .btn {
    width: 100%;
  }

  .student-download-grid,
  .download-details {
    grid-template-columns: 1fr;
  }
}

/* Student supervision: collapsible table layout */
.section-intro {
  max-width: 680px;
  margin: -16px 0 0;
  color: var(--muted);
}

.supervision-filters {
  max-width: 470px;
  justify-content: flex-end;
}

.supervision-filter {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 8px 13px;
  color: var(--navy);
  cursor: pointer;
}

.supervision-filter.active,
.supervision-filter:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.supervision-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.supervision-summary span {
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(17, 36, 61, .09);
  color: var(--muted);
  font-size: .82rem;
}

.supervision-summary strong {
  color: var(--navy);
}

.supervision-grid {
  display: block;
}

.supervision-row {
  overflow: hidden;
  margin-bottom: 12px;
  border: 1px solid rgba(17, 36, 61, .13);
  border-radius: 14px;
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.supervision-row:hover,
.supervision-row.open {
  border-color: rgba(17, 36, 61, .25);
  box-shadow: 0 8px 24px rgba(17, 36, 61, .08);
}

.supervision-row-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  border: 0;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.supervision-row-text {
  min-width: 0;
}

.supervision-row-name,
.supervision-row-meta,
.supervision-row-title {
  display: block;
}

.supervision-row-name {
  color: var(--navy);
  font-size: 1rem;
  font-weight: 700;
}

.supervision-row-meta {
  margin-top: 2px;
  color: var(--muted);
  font-size: .84rem;
  font-weight: 500;
}

.supervision-row-title {
  margin-top: 5px;
  color: #4b5565;
  font-size: .92rem;
  line-height: 1.45;
}

.supervision-row-badges {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.level-badge,
.status-badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
}

.level-badge {
  background: var(--navy);
  color: #fff;
}

.status-badge {
  background: var(--cream);
  color: var(--accent-dark);
}

.status-ongoing {
  background: #fff3dc;
  color: #8a5700;
}

.status-completed {
  background: #eaf7ee;
  color: #206b39;
}

.supervision-row-toggle {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--navy);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease;
}

.supervision-row.open .supervision-row-toggle {
  transform: rotate(45deg);
  background: var(--accent);
}

.supervision-row-panel {
  padding: 0 20px 20px;
  border-top: 1px solid rgba(17, 36, 61, .08);
}

.supervision-row-panel[hidden] {
  display: none;
}

.supervision-table {
  overflow: hidden;
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.supervision-table-row {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
}

.supervision-table-row + .supervision-table-row {
  border-top: 1px solid var(--line);
}

.supervision-table-label,
.supervision-table-value {
  padding: 11px 14px;
}

.supervision-table-label {
  background: var(--cream);
  color: var(--navy);
  border-right: 1px solid var(--line);
  font-size: .77rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.supervision-table-value {
  color: var(--text);
  font-size: .91rem;
}

.supervision-table-outcome .supervision-table-value {
  color: var(--navy);
  font-weight: 600;
}

.supervision-links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 14px;
}

.supervision-links:empty {
  display: none;
}

.supervision-links a {
  display: inline-flex;
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font-size: .76rem;
  font-weight: 700;
}

.supervision-links a:hover {
  background: var(--accent);
}

@media (max-width: 760px) {
  .supervision-filters {
    justify-content: flex-start;
  }

  .supervision-row-button {
    align-items: flex-start;
    padding: 16px;
  }

  .supervision-row-badges {
    max-width: 135px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .supervision-row-panel {
    padding: 0 14px 14px;
  }

  .supervision-table-row {
    grid-template-columns: 1fr;
  }

  .supervision-table-label {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}





/* Activity entries and certificate links */
.activity-list {
  display: grid;
  gap: 14px;
}

.activity-entry {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--cream);
}

.activity-entry-content {
  min-width: 0;
}

.activity-entry-content strong {
  display: block;
  color: var(--navy);
  line-height: 1.4;
}

.activity-entry-meta,
.activity-entry-description {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: .88rem;
}

.activity-entry-links {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.activity-entry-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
}

.activity-entry-links a:hover {
  background: var(--accent);
}

@media (max-width: 700px) {
  .activity-entry {
    flex-direction: column;
  }

  .activity-entry-links {
    width: 100%;
    justify-content: flex-start;
  }
}