.layout-grid:has(.wwdc-hero) {
  grid-template-columns: minmax(0, 1fr);
}

main.container:has(.wwdc-hero) {
  max-width: 1180px;
}

.wwdc-hero {
  padding: 60px 20px;
  text-align: center;
  border-bottom: 1px solid #e5e5e5;
}

.wwdc-title {
  font-family: 'Ericsson Hilda', 'Hilda', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: clamp(2rem, 6vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #1a1a2e;
  margin: 0;
}

.wwdc-subtitle {
  font-size: 18px;
  color: #6c6c70;
  margin: 8px 0 0;
}

.wwdc-filters {
  max-width: 600px;
  margin: 24px auto 0;
}

.wwdc-search {
  display: block;
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #d1d1d6;
  border-radius: 10px;
  font-size: 16px;
  background: #f5f5f7;
  color: #6c6c70;
  text-align: left;
  cursor: pointer;
}

.wwdc-search:hover,
.wwdc-search:focus-visible {
  outline: none;
  border-color: #1a1a2e;
  color: #1a1a2e;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 12px;
}

.filter-tag {
  padding: 6px 16px;
  border: none;
  border-radius: 20px;
  background: #f5f5f7;
  cursor: pointer;
  font-size: 14px;
  color: #6c6c70;
  transition: background 0.2s, color 0.2s;
}

.filter-tag.active {
  background: #1a1a2e;
  color: #fff;
}

.wwdc-sticky {
  max-width: 1200px;
  margin: 24px auto 0;
  padding: 16px 20px;
  border: 1px solid #e9ecef;
  border-left: 4px solid #1a1a2e;
  border-radius: 12px;
  background: #fff;
}

.wwdc-sticky__pin {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6c6c70;
  margin-bottom: 8px;
}

.wwdc-sticky__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: #6c6c70;
}

.wwdc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.wwdc-card {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  border: 1px solid #e9ecef;
  transition: transform 0.2s, box-shadow 0.2s;
}

.wwdc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.card-duration {
  font-size: 12px;
  color: #8e8e93;
  font-weight: 500;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin: 8px 0;
  color: #1a1a2e;
  line-height: 1.35;
}

.card-title a {
  color: inherit;
  text-decoration: none;
}

.card-title a:hover {
  color: #003784;
}

.wwdc-card__desc {
  font-size: 14px;
  line-height: 1.5;
  color: #6c6c70;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.card-tag {
  padding: 2px 10px;
  border-radius: 12px;
  background: #f5f5f7;
  font-size: 12px;
  color: #6c6c70;
}

.wwdc-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
  padding: 20px;
  color: #6c6c70;
  font-size: 14px;
  font-weight: 500;
}

.wwdc-pagination a {
  color: #1a1a2e;
  text-decoration: none;
  font-weight: 700;
}

.wwdc-pagination a:hover {
  color: #003784;
}

@media (max-width: 1024px) {
  .wwdc-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .wwdc-hero {
    padding: 40px 16px;
  }

  .wwdc-title {
    font-size: 32px;
  }

  .wwdc-grid {
    grid-template-columns: 1fr;
    padding: 16px;
  }
}