:root {
  --nus-blue: #003d7c;
  --nus-blue-deep: #002449;
  --nus-blue-soft: #eef4f9;
  --nus-orange: #ef7c00;
  --ink: #171b22;
  --muted: #667085;
  --border: #dce2e9;
  --surface: #ffffff;
  --surface-muted: #f6f8fb;

  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-hover: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: rgba(0, 61, 124, 0.14);
  --glass-media-bg: rgba(255, 255, 255, 0.4);
}

/* Shared glass-carousel chrome (projects + groups) */

.projects-carousel,
.groups-carousel {
  position: relative;
  padding: 2.5rem 2rem 2rem;
  border-radius: 1.25rem;
  background:
    radial-gradient(ellipse at top left, rgba(0, 61, 124, 0.10), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(239, 124, 0, 0.10), transparent 55%),
    var(--surface-muted);
}

.projects-carousel > h1,
.groups-carousel > h1 {
  margin-bottom: 1.25rem;
}

.project-window,
.group-window {
  position: relative;
}

.projects-carousel.is-enhanced .project-window,
.groups-carousel.is-enhanced .group-window {
  overflow: hidden;
}

.project-list,
.groups-content,
.groups-expanded-grid {
  --card-gap: 1.25rem;
  --card-min: 13rem;
  --card-max: 20rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--card-min), var(--card-max)));
  justify-content: center;
  gap: var(--card-gap);
}

.projects-carousel.is-enhanced .project-list,
.groups-carousel.is-enhanced .groups-content {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--card-gap);
  transition: transform .5s cubic-bezier(.22, .61, .36, 1);
  will-change: transform;
}

.projects-carousel.is-enhanced .project,
.groups-carousel.is-enhanced .group {
  /* JS sets --visible-count once it measures how many cards actually fit,
     and computes an exact width that packs them edge-to-edge so the track
     can still slide/overflow while rotating. */
  flex: 0 0 calc((100% - (var(--visible-count, 3) - 1) * var(--card-gap)) / var(--visible-count, 3));
  max-width: none;
}

/* Once every card fits at once (JS adds .is-static) there's nothing left to
   slide through, so let the row center itself and cards grow up to
   --card-max instead of stretching to fill the full window edge-to-edge. */
.projects-carousel.is-enhanced.is-static .project-list,
.groups-carousel.is-enhanced.is-static .groups-content {
  justify-content: center;
}

.projects-carousel.is-enhanced.is-static .project,
.groups-carousel.is-enhanced.is-static .group {
  flex: 1 1 calc((100% - (var(--visible-count, 3) - 1) * var(--card-gap)) / var(--visible-count, 3));
  max-width: var(--card-max);
  min-width: var(--card-min);
}

/* Glass card */

.project,
.group {
  min-width: 0;
  padding: 0;
  text-align: left;
  overflow: hidden;
}

.group-card-link,
.project-card-link,
.group > div,
.project > div {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  box-shadow: 0 8px 24px -12px var(--glass-shadow);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease, border-color .25s ease;
}

.group-card-link:hover,
.project-card-link:hover {
  transform: translateY(-4px);
  background: var(--glass-bg-hover);
  border-color: var(--nus-orange);
  box-shadow: 0 16px 32px -14px var(--glass-shadow);
  text-decoration: none;
}

.group-card-link:focus-visible,
.project-card-link:focus-visible {
  outline: 3px solid var(--nus-blue);
  outline-offset: 2px;
}

.project-media,
.group-media {
  position: relative;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: var(--glass-media-bg);
  border-bottom: 1px solid var(--glass-border);
}

.project-media img,
.group-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.project-media-cover img,
.group-media-cover {
  padding: 0;
}

.project-media-cover img,
.group-media-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-media-contain img,
.group-media-contain img {
  object-fit: contain;
}

.project-media-contain-dark,
.group-media-contain-dark {
  background: linear-gradient(135deg, var(--nus-blue-deep), var(--nus-blue));
}

.project-media-contain-dark img,
.group-media-contain-dark img {
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
}

.project-title,
.group-title {
  margin: 0;
  padding: 1rem 1.25rem 1.25rem;
  color: var(--nus-blue);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
}

.main-content .projects .project-title {
  margin: 0 0 .65rem;
}

.project-title > a::after {
  content: "\2197";
  display: inline-block;
  margin-left: .4rem;
  color: var(--nus-orange);
  font-size: .78em;
  line-height: 1;
}

.project-description {
  margin: 0 !important;
  color: var(--muted);
  font-weight: 400;
  line-height: 1.55;
}

.project-visual .project-description {
  padding: 0 1.25rem 1.25rem;
  font-size: .9rem;
}

/* Static directory grids (no carousel/rotation) */

.projects-directory,
.groups-directory,
.people-list,
.people-faculty {
  padding: 2rem;
  border-radius: 1.25rem;
  background:
    radial-gradient(ellipse at top left, rgba(0, 61, 124, 0.10), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(239, 124, 0, 0.10), transparent 55%),
    var(--surface-muted);
}

.groups-directory,
.people-group + .people-group {
  margin-top: 1.5rem;
}

.groups-directory > h2 {
  margin: 0 0 1.25rem;
}

.people-list .people-group > h2 {
  margin-top: 0 !important;
}

@media screen and (max-width: 40rem) {
  .projects-directory,
  .groups-directory,
  .people-list,
  .people-faculty {
    padding: 1.25rem;
  }
}

/* Section spacing */

.projects-carousel,
.groups-carousel,
.projects-directory,
.people-faculty {
  margin-top: 2rem;
}

/* "View all projects" link under the projects carousel */

.carousel-link-wrap {
  margin-top: 1.5rem;
  text-align: right;
}

.carousel-link-wrap > .btn {
  display: inline-block;
  margin: 0;
  padding: .6rem .9rem;
  color: var(--nus-blue);
  background-color: var(--surface);
  border: 1px solid var(--nus-orange);
  border-radius: .25rem;
}

.carousel-link-wrap > .btn:hover {
  color: var(--nus-blue-deep);
  background-color: var(--nus-blue-soft);
  text-decoration: none;
}

/* Groups: highlight row + "view all" tile + expanded takeover panel */

.groups-row {
  display: flex;
  align-items: stretch;
  gap: var(--card-gap, 1.25rem);
}

.groups-row > .group-window {
  flex: 1 1 auto;
  min-width: 0;
}

.group-view-all {
  flex: 0 0 auto;
  width: 9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: .5rem;
  padding: 1rem;
  color: var(--nus-blue);
  background: transparent;
  border: 1px dashed var(--nus-orange);
  border-radius: 1rem;
  cursor: pointer;
  transition: background-color .2s, border-style .2s, transform .2s;
}

.group-view-all:hover,
.group-view-all:focus-visible {
  background: var(--glass-bg-hover);
  border-style: solid;
  transform: translateY(-4px);
  outline: none;
}

.group-view-all:focus-visible {
  outline: 3px solid var(--nus-blue);
  outline-offset: 2px;
}

.group-view-all-media {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--nus-orange);
  color: var(--surface);
  font-size: 1.5rem;
  line-height: 1;
  aspect-ratio: auto;
  padding: 0;
}

.group-view-all .group-title {
  padding: 0;
  font-size: .85rem;
}

.groups-expanded {
  margin-top: 1.5rem;
  animation: expand-fade-in .3s ease;
}

.groups-expanded-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--card-gap, 1.25rem);
}

.group-collapse {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-bottom: 1.25rem;
  padding: .5rem 1rem;
  color: var(--nus-blue);
  font-size: .875rem;
  font-weight: 600;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: .6rem;
  cursor: pointer;
  transition: background-color .2s, border-color .2s;
}

.group-collapse:hover {
  background: var(--glass-bg-hover);
  border-color: var(--nus-orange);
}

.group-collapse:focus-visible {
  outline: 3px solid var(--nus-blue);
  outline-offset: 2px;
}

@keyframes expand-fade-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media screen and (max-width: 40rem) {
  .projects-carousel,
  .groups-carousel {
    padding: 2rem 1.25rem 1.5rem;
  }

  .groups-row {
    flex-direction: column;
  }

  .group-view-all {
    width: 100%;
    flex-direction: row;
    padding: .75rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .projects-carousel.is-enhanced .project-list,
  .groups-carousel.is-enhanced .groups-content {
    transition: none;
  }
}

.people-list {
  margin-left: auto;
  margin-right: auto;
}
.people-group > h2 {
  margin-top: 1.5rem !important;
  margin-bottom: .5rem !important;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  line-height: 1.75rem;
  font-size: 1.525rem;
  font-weight: 300;
}

/* People: glass cards, same recipe as project/group cards */

.people-faculty,
.people-list {
  --card-gap: 1.25rem;
}

.people-faculty > h1 {
  margin-bottom: 1.25rem;
}

.person-list {
  --card-min: 8.5rem;
  --card-max: 12rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--card-min), var(--card-max)));
  justify-content: center;
  gap: var(--card-gap, 1rem);
}

.person {
  min-width: 0;
  padding: 0;
  text-align: center;
  overflow: hidden;
}

.person-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  box-shadow: 0 8px 24px -12px var(--glass-shadow);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease;
}

.person-card-link:hover {
  transform: translateY(-4px);
  background: var(--glass-bg-hover);
  border-color: var(--nus-orange);
  box-shadow: 0 16px 32px -14px var(--glass-shadow);
}

.person-media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--glass-media-bg);
  border-bottom: 1px solid var(--glass-border);
}

.person-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.person-title {
  margin: 0;
  padding: .75rem .75rem .35rem;
  color: var(--nus-blue);
  font-size: .85rem;
  font-weight: 700;
  line-height: 1.3;
}

.person-socials {
  display: flex;
  justify-content: center;
  gap: .3rem;
  padding: 0 .75rem .75rem;
  margin-top: auto;
}

.person-socials > span > a {
  display: flex;
}

.person-socials > span > a svg {
  width: 1rem;
  height: 1rem;
  color: var(--muted);
}

.person-socials > span > a:hover svg {
  color: var(--nus-blue);
}

/* News + seminars: glass rows, same recipe as project/group/person cards */

.news,
.seminar-list {
  padding: 2rem;
  border-radius: 1.25rem;
  background:
    radial-gradient(ellipse at top left, rgba(0, 61, 124, 0.10), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(239, 124, 0, 0.10), transparent 55%),
    var(--surface-muted);
}

.news,
.seminar-list,
.projects-directory,
.groups-directory,
.people-list,
.people-faculty {
  margin-top: 2rem;
}

.news-list,
.seminar-preview,
.seminar-full {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.news-event,
.seminar {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding: .85rem 1.1rem;
  color: inherit;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: .75rem;
  box-shadow: 0 6px 18px -12px var(--glass-shadow);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease;
}

.news-event:hover,
.seminar:hover {
  transform: translateY(-2px);
  background: var(--glass-bg-hover);
  border-color: var(--nus-orange);
  box-shadow: 0 10px 22px -12px var(--glass-shadow);
}

@media (min-width: 640px) {
  .news-event,
  .seminar {
    flex-direction: row;
    align-items: center;
    gap: 0;
  }
}

.seminar-date {
  font-weight: 300;
  width: 10rem;
  flex: none;
  display: flex;
  align-items: center;
  color: var(--muted);
  font-size: .875rem;
}
.seminar-title {
  flex: 1 1 auto;
  font-weight: 600;
  margin: 0;
}
.seminar-speaker {
  display: flex;
  align-items: center;
  width: 10rem;
  flex: none;
}

@media (min-width: 640px) {
  .seminar-title {
    padding: 0 1rem;
  }
}

.seminar-view-more,
.news-events-view-more {
  display: flex;
  justify-content: center;
  text-align: center;
  margin-top: 1.5rem;
}

.seminar-view-more > .btn,
.news-events-view-more > .btn {
  color: var(--nus-blue);
  background-color: var(--surface);
  border-color: var(--nus-orange);
  border-style: solid;
  border-width: 1px;
  border-radius: 0.3rem;
  transition: color 0.2s, background-color 0.2s, border-color 0.2s;
}
.seminar-view-more > .btn:hover,
.news-events-view-more > .btn:hover {
  border-color: var(--nus-orange);
  color: var(--nus-blue-deep);
  background-color: var(--nus-blue-soft);
}

.news-event-date {
  width: 8rem;
  flex: none;
  font-weight: 500;
  color: var(--muted);
  font-size: .875rem;
}
.news-event-title {
  flex: 1 1 auto;
}

@media (min-width: 640px) {
  .news-event-title {
    padding-left: 1rem;
  }
}

.seminars-timerange {
  margin-top: 1.5rem !important;
  margin-bottom: .75rem !important;
  color: var(--muted);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
}

.seminar-list > h1 + .seminars-timerange,
.seminar-about + .seminars-timerange {
  margin-top: 0 !important;
}

@media screen and (max-width: 40rem) {
  .news,
  .seminar-list {
    padding: 1.25rem;
  }
}


.people-list-long {
  list-style: none inside;
  padding: 0;
  column-count: 2;
}
.people-list-long > li > span {
    float: right;
}

footer {
  display: flex !important;
  justify-content: center;
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(ellipse at top left, rgba(0, 61, 124, 0.06), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(239, 124, 0, 0.05), transparent 55%),
    var(--surface-muted);
}
.footer-socials > a > svg {
  height: 1.5rem;
}
.footer-logo > img {
  max-width: 100%;
  height: auto;
}
.footer-affiliation {
  width: 12rem;
  display: flex;
}
.footer-logo {
  align-self: center;
}
.footer-container {
  display: flex;
  justify-content: space-between;
  max-width: 768px;
  width: 100%;
}
.footer-title-section {
  text-align: left;
}
.footer-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
}
.brand-primary {
  color: var(--nus-blue);
}
.brand-accent {
  color: var(--nus-orange);
}
.footer-description {
  font-weight: 300;
  padding-top: 0.5rem;
  /* padding-bottom: 0.5rem; */
}
.footer-socials {
  margin-top: .5rem;
  color: var(--nus-blue);
}
.footer-socials > a {
  vertical-align: middle;
  display: flex;
  align-items: center;
}
.footer-socials > a > svg {
  vertical-align: middle;
  margin-right: .25rem;
}

.footer-socials > a {
  padding-top: .5rem;
  padding-bottom: .5rem;
}

.twitter-container {
    display: flex;
    justify-content: center;
}

.twitter-container > iframe {
    width: 80%;
}