body {
  font-family: "Segoe UI", sans-serif;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
  color: #333;
  line-height: 1.6;
}

header {
  background: #0f766e;
  color: white;
  text-align: center;
  padding: 3rem 1rem;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

header p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.subscribe-btn {
  background: #facc15;
  color: #0f172a;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
  transition: background 0.3s ease;
}

.subscribe-btn:hover {
  background: #eab308;
}

section {
  padding: 2rem 1.5rem;
  max-width: 800px;
  margin: auto;
}

.about,
.topics {
  background: white;
  margin-bottom: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

h2 {
  color: #0f766e;
}

ul {
  list-style: none;
  padding-left: 0;
}

ul li {
  background: #e0f2fe;
  margin: 0.5rem 0;
  padding: 0.75rem;
  border-radius: 6px;
}

.social {
  text-align: center;
  padding: 2rem 1rem;
  background: #f9f9f9;
  border-top: 2px solid #0f766e;
}

.social h2 {
  color: #0f766e;
  margin-bottom: 1rem;
}

.social-icons a {
  display: inline-block;
  margin: 0.5rem 1rem;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease, transform 0.2s ease;
  color: white;
}

.social-icons a:hover {
  transform: scale(1.05);
}

.tiktok {
  background: #000000;
}

.facebook {
  background: #1877f2;
}

.instagram {
  background: linear-gradient(45deg, #feda75, #d62976, #4f5bd5);
}

footer {
  text-align: center;
  padding: 1rem;
  background: #0f172a;
  color: #f1f5f9;
}

/* Transitions */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease forwards;
}

.fade-in.delay {
  animation-delay: 0.5s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}