.video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 2rem 0;
}

.video-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.talk-year {
  margin-top: 2.5rem;
}

.talk-year > h2 {
  margin-bottom: 1.5rem;
}

.talk-list-item {
  margin-bottom: 2rem;
}

.talk-list-item h3 {
  margin: 0 0 0.25rem;
}

.talk-list-meta {
  font-size: 0.9rem;
  opacity: 0.7;
}

.talk-list-actions {
  display: flex;
  gap: 1rem;
  margin-top: 0.35rem;
  font-size: 0.9rem;
}

/* Publications lists (articles, advisories) */
.publication-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.publication-item h3 {
  margin: 0 0 0.25rem;
}

.publication-title {
  font-size: 1.05rem;
  line-height: 1.35;
}

.publication-item-meta {
  font-size: 0.9rem;
  opacity: 0.7;
}

.publication-description {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  opacity: 0.85;
}

.publication-actions {
  display: flex;
  gap: 1rem;
  margin-top: 0.35rem;
  font-size: 0.9rem;
}

.tool-status {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  margin-left: 0.5rem;
  vertical-align: middle;
  white-space: nowrap;
  opacity: 0.8;
}

/* Talks carousel (publications/talks list) */
.talks-carousel {
  margin-top: 1.5rem;
}

.talks-carousel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.talks-count {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.7;
}

.talks-nav {
  display: flex;
  gap: 0.5rem;
}

.talks-btn {
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.8;
}

.talks-btn:hover {
  opacity: 1;
}

.talks-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(78%, 320px);
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: 0.25rem;
  padding-bottom: 0.75rem;
  -webkit-overflow-scrolling: touch;
}

.talk-card {
  scroll-snap-align: start;
  border: 1px solid rgba(127, 127, 127, 0.35);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.talk-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  background: #111;
  overflow: hidden;
}

.talk-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.talk-play {
  position: absolute;
  inset: auto 0.75rem 0.75rem auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
}

.talk-thumb-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  background: linear-gradient(135deg, #334155, #0f172a);
}

.talk-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.9rem 1rem 1rem;
}

.talk-card-title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.35;
}

.talk-card-meta {
  font-size: 0.85rem;
  opacity: 0.7;
}

.talk-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  font-size: 0.9rem;
}

/* Talk cover on single pages */
.talk-cover {
  margin: 1.5rem 0;
}

.talk-cover img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid rgba(127, 127, 127, 0.35);
}

@media (min-width: 760px) {
  .talks-track {
    grid-auto-columns: 320px;
  }
}

/* Homepage sections */
.home-section {
  margin-top: 2.5rem;
}

.home-section > h2 {
  margin-bottom: 1rem;
}

.category-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 760px) {
  .category-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.category-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(127, 127, 127, 0.35);
  border-radius: 12px;
  text-decoration: none;
}

.category-card:hover {
  opacity: 1;
  border-color: currentColor;
}

.category-card-title {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.35;
}

.category-card-count {
  font-size: 0.85rem;
  opacity: 0.7;
}

.category-card-description {
  margin-top: 0.25rem;
  font-size: 0.9rem;
  opacity: 0.85;
}

.tag-pills {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .talks-track {
    scroll-behavior: auto;
  }
}