body {
  background: #f9fafb;
  color: #111827;
}

.site-header {
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.96);
}

.logo-mark {
  display: inline-flex;
  width: 1.75rem;
  height: 1.75rem;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  color: #ffffff;
  background: linear-gradient(135deg, #059669, #0891b2);
  box-shadow: 0 10px 25px rgba(5, 150, 105, 0.28);
  font-size: 0.8rem;
  line-height: 1;
}

.footer-logo-mark {
  box-shadow: none;
}

.image-frame {
  background: linear-gradient(135deg, #059669, #0f766e 45%, #155e75);
}

.hero-slider {
  min-height: 500px;
}

.hero-slide {
  opacity: 0;
  pointer-events: none;
  transition: opacity 680ms ease;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.35);
  transition: all 240ms ease;
}

.hero-dot.is-active {
  width: 1.75rem;
  background: #ffffff;
}

.play-symbol,
.play-symbol-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  color: #ffffff;
  background: rgba(5, 150, 105, 0.92);
  opacity: 0;
  transform: scale(0.9);
  transition: all 240ms ease;
}

.play-symbol {
  width: 3rem;
  height: 3rem;
  font-size: 1rem;
}

.play-symbol-sm {
  width: 2rem;
  height: 2rem;
  font-size: 0.75rem;
}

.group:hover .play-symbol,
.group:hover .play-symbol-sm {
  opacity: 1;
  transform: scale(1);
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.player-shell {
  position: relative;
  background: #000000;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.32);
}

.player-shell video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000000;
}

.player-cover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, rgba(5, 150, 105, 0.2), rgba(0, 0, 0, 0.68));
  z-index: 2;
}

.player-cover.is-hidden {
  display: none;
}

.player-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.35rem;
  color: #065f46;
  background: #ffffff;
  border-radius: 9999px;
  font-weight: 700;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.32);
  transition: transform 200ms ease, background 200ms ease;
}

.player-button:hover {
  transform: translateY(-2px);
  background: #ecfdf5;
}

.search-input {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 0.9rem;
  padding: 0.9rem 1rem;
  background: #ffffff;
  outline: none;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.search-input:focus {
  border-color: #10b981;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.14);
}

.filter-button.is-active {
  color: #ffffff;
  background: #059669;
  box-shadow: 0 10px 20px rgba(5, 150, 105, 0.25);
}

.category-card {
  background: linear-gradient(180deg, #ffffff, #f9fafb);
}

.index-links {
  column-count: 2;
  column-gap: 1.5rem;
}

.index-links a {
  display: block;
  break-inside: avoid;
}

@media (min-width: 768px) {
  .index-links {
    column-count: 4;
  }
}

@media (max-width: 767px) {
  .hero-slider {
    min-height: 540px;
  }
}