/* Genel stil — anasayfa ile uyumlu */
body {
  margin: 0;
  padding: 80px 20px 80px; /* üst bar + alt menü boşluğu */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f5f6fa;
  color: #333;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Kanal başlığı */
h1 {
  text-align: center;
  color: #0d6efd;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  max-width: 1100px;
  width: 100%;
  padding: 0 10px;
}

/* Video iframe container */
.video-container {
  width: 100%;
  max-width: 1100px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
  margin-bottom: 2rem;
}

.video-container iframe {
  width: 100%;
  height: 600px;
  border: 0;
}

/* Geri Dön butonu / link */
a.back-link {
  display: inline-block;
  text-decoration: none;
  background: #0d6efd;
  color: #fff;
  padding: 12px 28px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.25s ease;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

a.back-link:hover {
  background: #0a54c2;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  text-decoration: none;
}

/* Mobil ve tablet uyumluluk */
@media (max-width: 1024px) {
  .video-container iframe {
    height: 450px;
  }
  h1 {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .video-container iframe {
    height: 350px;
  }
  a.back-link {
    padding: 10px 22px;
    font-size: 0.95rem;
  }
  h1 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .video-container iframe {
    height: 280px;
  }
  a.back-link {
    padding: 8px 18px;
    font-size: 0.9rem;
  }
  h1 {
    font-size: 1.4rem;
  }
}