@charset "utf-8";
/* CSS Document */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #121212;
  color: #f0f0f0;
}

main {
  max-width: 1200px;
  margin: auto;
  padding: 40px 20px;
}

h1 {
  font-size: 2rem;
  color: #7d9984;
  margin-bottom: 10px;
}

p.description {
  font-size: 1rem;
  color: #ccc;
  margin-bottom: 30px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.video-card {
  background-color: #1a1a1a;
  border-radius: 8px;
  padding: 10px;
  box-shadow: 0 0 10px rgba(0,255,255,0.1);
  transition: transform 0.3s ease;
}

.video-card:hover {
  transform: scale(1.02);
}

.video-card iframe {
  width: 100%;
  height: 300px;
  border: none;
  border-radius: 4px;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.5rem;
  }

  .video-card iframe {
    height: 180px;
  }
}
.video-tabs {
  display: flex;
  justify-content: center;
  gap: 30px;
  background-color: #1c1c1c;
  padding: 12px 0;
  border-bottom: 1px solid #333;
}

.video-tabs a {
  color: #00ffff;
  text-decoration: none;
  font-weight: bold;
  font-size: 1rem;
  padding: 8px 16px;
  border-radius: 4px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.video-tabs a:hover {
  background-color: #00ffff;
  color: #121212;
}

.video-tabs a.active {
  background-color: #00ffff;
  color: #121212;
  border-bottom: 2px solid #00ff99;
}