* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #0d0d0d;
  color: #e8e8f0;
  line-height: 1.6;
}

/* Hero / Header */
.site-hero {
  position: relative;
  width: 100%;
  padding: 48px 24px 32px;
  background: linear-gradient(135deg, #0d0d0d 0%, #1a1a2e 50%, #0d0d0d 100%);
  text-align: center;
  border-bottom: 2px solid rgba(247, 147, 26, 0.3);
}

.site-hero img.site-logo {
  max-width: 700px;
  width: 90%;
  height: auto;
  filter: drop-shadow(0 4px 20px rgba(247, 147, 26, 0.2));
}

.site-hero .site-tagline {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 3px;
  margin-top: 12px;
  text-transform: uppercase;
}

.site-hero .site-description {
  max-width: 700px;
  margin: 16px auto 0;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

/* Section headings */
.section-heading {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(247, 147, 26, 0.7);
  margin: 56px 0 32px;
}

/* Featured video */
.featured-video {
  max-width: 640px;
  margin: 40px auto;
  padding: 0 24px;
}

.featured-video iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 12px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

/* Topic grid */
.topic-grid {
  max-width: 900px;
  margin: 0 auto 56px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.topic-card {
  display: block;
  background: #13132a;
  border-radius: 12px;
  padding: 32px 24px;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(247, 147, 26, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.topic-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 40px rgba(247, 147, 26, 0.15);
  border-color: rgba(247, 147, 26, 0.4);
}

.topic-card .topic-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.topic-card .topic-name {
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 1px;
}

.topic-card .topic-desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 8px;
  line-height: 1.5;
}

/* Video grid (shared with topic pages) */
.video-grid {
  max-width: 1300px;
  margin: 40px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 24px;
}

.video-grid.single {
  grid-template-columns: 1fr;
  max-width: 800px;
}

.video-card {
  background: #13132a;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 36px rgba(0, 0, 0, 0.6);
}

.video-card .video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}

.video-card .video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Section page hero */
.section-hero {
  position: relative;
  width: 100%;
  height: 30vh;
  min-height: 200px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #0d0d0d 100%);
}

.section-hero .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.section-hero .hero-content img.logo {
  width: 200px;
  margin-bottom: 12px;
  filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.6));
}

.section-hero .hero-content h1 {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: #f7931a;
  text-shadow: 0 2px 20px rgba(247, 147, 26, 0.3);
}

.section-hero .hero-content .subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 2px;
  margin-top: 6px;
}

/* Photo gallery */
.photo-gallery {
  max-width: 1100px;
  margin: 0 auto 56px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.photo-card {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.photo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 36px rgba(0, 0, 0, 0.6);
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 4 / 3;
}

/* No content placeholder */
.no-content {
  text-align: center;
  padding: 80px 24px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 1.2rem;
  font-style: italic;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 40px 24px;
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.85rem;
  border-top: 1px solid rgba(247, 147, 26, 0.15);
  margin-top: 60px;
}

.site-footer a {
  color: rgba(247, 147, 26, 0.6);
  text-decoration: none;
}

.site-footer a:hover {
  color: #f7931a;
}

@media (max-width: 768px) {
  .topic-grid { grid-template-columns: 1fr; max-width: 400px; }
  .section-heading { font-size: 1.2rem; }
}

@media (max-width: 540px) {
  .site-hero { padding: 32px 16px 24px; }
  .site-hero img.site-logo { max-width: 320px; }
  .site-hero .site-tagline { font-size: 0.85rem; letter-spacing: 2px; }
  .video-grid { grid-template-columns: 1fr; padding: 0 12px; }
  .photo-gallery { grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0 12px; }
  .section-hero { height: 25vh; min-height: 160px; }
  .section-hero .hero-content h1 { font-size: 1.6rem; letter-spacing: 2px; }
  .section-hero .hero-content img.logo { width: 140px; }
}