 <style>
  /* Sayfa yapısı */
  body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f7f7f7;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }

  /* Üst başlık (header) - arka plan kırmızı, yazı & ikon beyaz */
  header {
    background: #FF0000; /* Kırmızı arka plan */
    color: #FFFFFF;      /* Beyaz metin */
    padding: 15px;
    text-align: center;
  }

  .top-brand {
    text-align: center;
    margin-bottom: 12px;
  }

  .brand-motto.style5 {
    font-size: 45px;
    font-family: 'Traffic', Arial, sans-serif;
    color: #FFFFFF; /* Beyaz */
  }

  .brand-motto.style5 a {
    text-decoration: none;
    color: #FFFFFF; /* Linkler de beyaz */
  }

  .brand-motto {
    font-family: Arial, sans-serif;
    color: #FFFFFF; /* Alt slogan da beyaz */
    font-size: 13px;
    text-align: left;
    max-width: 600px;
    margin: 6px auto 0 15%;
  }

  h2 {
    color: #003366;
    margin-top: 40px;
  }

  .container {
    padding: 20px;
    max-width: 1200px;
    margin: auto;
    flex: 1;
  }

  .nav-links {
    margin-bottom: 20px;
    text-align: center;
  }

  .nav-links a {
    display: inline-block;
    margin: 4px 8px 4px 0;
    text-decoration: none;
    color: #003366;
    font-weight: bold;
    background: #e0e0e0;
    padding: 8px 14px;
    border-radius: 6px;
    transition: background-color 0.3s, color 0.3s;
    font-size: 14px;
  }

  .nav-links a:hover {
    background: #c0c0c0;
  }

  .nav-links a.active {
    background: #003366;
    color: #fff;
  }

  .media-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
  }

  .media-item {
    position: relative;
    width: 90%;
    max-width: 800px;
  }

  video, img {
    width: 100%;
    height: auto;
    border: 1px solid #ccc;
    border-radius: 5px;
    object-fit: cover;
    display: block;
    margin-bottom: 10px;
  }

  .map-box {
    position: relative;
    margin-bottom: 40px;
  }

  iframe {
    width: 100%;
    height: 500px;
    border: none;
    border-radius: 8px;
    margin-top: 20px;
  }

  .diagonal-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-25deg);
    font-size: 40px;
    font-weight: 400;
    color: rgba(255, 0, 0, 0.25);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    pointer-events: none;
    white-space: nowrap;
    z-index: 9999;
    font-family: 'Poppins', sans-serif, Arial;
    user-select: none;
  }

  footer {
    background: #003366;
    color: #fff;
    text-align: center;
    padding: 20px 10px;
    font-size: 14px;
  }

  .social-icons {
    margin-top: 10px;
  }

  .social-icons a {
    color: #fff;
    margin: 0 10px;
    text-decoration: none;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    transition: color 0.3s;
  }

  .social-icons a:hover {
    color: #ffcc00;
  }

  .flag-icon {
    color: #FFFFFF; /* İkon da beyaz */
    margin-right: 10px;
    font-size: 42px;
  }
</style>
