a {
   color: red; 
  text-decoration: none;
     }

  .seo-article__header {
    text-align: center;
    margin-bottom: 2rem;
  }
  .seo-article__header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: #1a202c;
  }
  .seo-article__intro {
    margin-bottom: 2rem;
    color: #4a5568;
    font-size: 1rem;
    text-align: center;
  }
  .seo-article__divider {
    border: none;
    border-top: 1px solid #e2e8f0;
    margin: 2rem 0;
  }
  .seo-article__section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: #2d3748;
    margin-top: 2rem;
    margin-bottom: 1rem;
  }
  .seo-article__subsection-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
  }
  .seo-article__paragraph {
    margin-bottom: 1rem;
    color: #4a5568;
    font-size: 1rem;
    line-height: 1.6;
  }
  .seo-article__list {
    list-style: decimal inside;
    margin-bottom: 1.5rem;
    padding-left: 0;
  }
  .seo-article__list-item {
    margin-bottom: 0.75rem;
    color: #4a5568;
    font-size: 1rem;
  }
  /* Tambahan styling tombol CTA */
  .btn-cta {
    display: inline-block;
    margin: 1rem 0;
    padding: 0.75rem 1.5rem;
    background-color: #3182ce;
    color: #fff;
    text-decoration: none;
    border-radius: 0.375rem;
    font-weight: 600;
  }
  .btn-cta:hover {
    background-color: #2b6cb0;
  }
  .loader {
    width: 50px;
    aspect-ratio: 1;
    border-radius: 50%;
    background: 
      radial-gradient(farthest-side,#f03355 95%,#0000) 50% 1px/12px 12px no-repeat,
      radial-gradient(farthest-side,#0000 calc(100% - 14px),#ccc 0);
    animation: l9 2s infinite linear;
  }
  @keyframes l9 {
    to { transform: rotate(1turn); }
  }

  .container1 {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px;

}

h1 {
    text-align: center;
    color: #333;
    font-size: 2rem;
}

.video-card {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.thumbnail {
    max-width: 200px;
    border-radius: 8px;
}

.details {
    flex: 1;
}

.details p {
    margin: 6px 0;
    color: #555;
}

.btn {
    display: inline-block;
    margin-top: 15px;
    background-color: #f53b79;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease;
}

.btn:hover {
    background-color: #f53b79;
}

.back-link {
    display: block;
    margin-top: 40px;
    text-align: center;
    color: #007bff;
    text-decoration: none;
}

.back-link:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .video-card {
        flex-direction: column;
        align-items: center;
    }

    .thumbnail {
        width: 100%;
    }
}

.footer {
  background-color: #f9f9f9;
  border-top: 1px solid #eee;
  margin-top: 40px;
  padding-top: 20px;
  padding-bottom: 20px;
}
@media (max-width: 600px) {
  .footer .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .footer .container a {
    margin-bottom: 5px;
  }
}