    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: #e3f2fd;
      color: #0a2540;
      height: 100vh;
      display: flex;
      flex-direction: column;
    }

    header {
      padding: 5px 10px;
    }

    .container {
      width: 90%;
      margin: 20px auto;
      max-width: 1200px;
    }    

    .logo {
      font: 30px 'Reem Kufi', sans-serif;
      color: #000;
      font-weight: bold;
      text-decoration: underline;
    }

    .logo a { color: #000;}

    .main-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 5px 10px;
      flex-wrap: wrap;
      gap: 10px;
    }

    .header-search {
      display: flex;
      align-items: center;
      gap: 3px;
    }

    .header-search input[type="text"] {
      padding: 6px 10px;
      border: 1px solid #ccc;
      border-radius: 5px;
      font-size: 14px;
      width: 180px;
      transition: all 0.2s ease-in-out;
    }

    .header-search input[type="text"]:focus {
      border-color: #0073e6;
      outline: none;
    }

    .header-search button {
      background-color: #000;
      color: white;
      border: none;
      padding: 6px 8px;
      border-radius: 5px;
      cursor: pointer;
      font-size: 14px;
    }

    .header-search button i {
      font-size: 14px;
    }

    main {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 20px;
    }

    h1 {
      font-size: 48px;
      margin-bottom: 10px;
    }

    .slogan {
      font-size: 18px;
      color: #444;
      margin-bottom: 30px;
    }

    .search-box {
      width: 100%;
      max-width: 500px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-box input {
      flex: 1;
      padding: 14px 20px;
      font-size: 16px;
      border: 2px solid #0073e6;
      border-radius: 8px;
      outline: none;
    }

    .search-box button {
      padding: 14px 24px;
      font-size: 16px;
      background-color: #0073e6;
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: background-color 0.3s;
    }

    .search-box button:hover {
      background-color: #005bb5;
    }

    .user-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      gap: 20px;
      padding: 40px 0px;
    }

    .user-info {
      background: #fff;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      padding: 15px;

      display: inline-block;
      max-width: 100%;
      overflow: hidden;
      text-overflow: ellipsis;      
    }

    .user-header {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .user-header img {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      object-fit: cover;
    }

    .user-meta {
      text-align: left;
    }

    .user-meta strong {
      font-size: 1rem;
      color: #0a2540;
    }

    .user-meta small a {
      color: #0073e6;
      text-decoration: none;
      font-size: 0.85rem;
    }

    .bio {
      font-size: 0.85rem;
      color: #555;
      margin-top: 10px;      
      display: -webkit-box;
      -webkit-line-clamp: 2; /* Maksimum 2 satır göster */
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      text-align: left;
    }

    .profile-info {
      background-color: #fff;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      margin-bottom: 20px;
    }

    .post-grid {
      column-count: 3; /* 4 sütun */
      column-gap: 20px;
      padding: 20px 0px;
    }

    .post {
      display: inline-block;
      width: 100%;
      margin-bottom: 20px;
      background-color: #fff;
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .post p {
      margin: 0 0 10px;
    }

    .post img {
      max-width: 100%;      
      border-radius: 6px;
    }

    .post small {
      display: block;
      color: #777;
      font-size: 12px;
      margin-top: 6px;
    }

    .post a {
      color: #0073e6;
      text-decoration: none;
    }        
    
.card-box {
    border: 1px solid #ddd;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
    background: #fefefe;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.card-box:hover {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transform: scale(1.01);
}

.card-box img {
    width: 100%;
    height: auto;
    display: block;
}

.card-meta {
    padding: 10px 12px;
}

.card-meta small {
    color: #777;
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
}

.card-meta strong {
    font-size: 15px;
    display: block;
    color: #222;
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.youtube-thumb {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    background: #000;
}

.youtube-thumb img {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}

.youtube-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #fff;
}
    

    footer {
      text-align: center;
      padding: 15px;
      font-size: 14px;
      color: #888;
    }

    @media (min-width: 992px) and (max-width: 1199px) {
      .post-grid {
        column-count: 3;
      }
    }

    @media (min-width: 768px) and (max-width: 991px) {
      .post-grid {
        column-count: 2;
      }
    }

    @media (max-width: 767px) {
      .post-grid {
        column-count: 1;
      }
    }    

    @media (max-width: 600px) {
      h1 {
        font-size: 32px;
      }

      .slogan {
        font-size: 16px;
      }
    }
