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

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: linear-gradient(to bottom, #2ecc71, #1e1e1e);
      color: #f1f1f1;
      font-weight: 500;
      line-height: 1.6;
      overflow-x: hidden;
      width: 100%;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.3s ease;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Animasyonlar */
    @keyframes gradientAnimation {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    .animated-bg {
      background: linear-gradient(45deg, #e74c3c, #2ecc71, #1e1e1e);
      background-size: 600% 600%;
      animation: gradientAnimation 15s ease infinite;
    }

    /* HEADER */
    header {
      background: linear-gradient(135deg, #27ae60, #2ecc71, #e74c3c, #1e1e1e);
      border-bottom: 4px solid #c0392b;
      padding: 15px 5%;
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }

    .header-content {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 15px;
      flex-wrap: wrap;
      margin-bottom: 15px;
    }

    .logo {
      width: 60px;
      height: auto;
      filter: drop-shadow(0 0 5px rgba(192, 57, 43, 0.7));
    }

    .main-title {
      font-size: 2.5rem;
      font-weight: bold;
      font-style: italic;
      color: #fff;
      text-transform: uppercase;
      text-shadow: 2px 2px #c0392b;
      text-align: center;
    }

    .main-nav ul {
      list-style: none;
      display: flex;
      justify-content: center;
      gap: 25px;
      flex-wrap: wrap;
    }

    .main-nav ul li a {
      color: #ecf0f1;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 5px 10px;
      border-radius: 4px;
      transition: all 0.3s ease;
    }

    .main-nav ul li a:hover,
    .main-nav ul li a.active {
      background-color: rgba(255, 255, 255, 0.2);
      transform: translateY(-2px);
    }

    /* Mobil Menü */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: white;
      cursor: pointer;
    }

    /* HERO BÖLÜMÜ */
    .hero {
      background: url('img/slider1.jpg') center/cover no-repeat;
      color: #fff;
      padding: 100px 5%;
      text-align: center;
      position: relative;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5);
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero h2 {
      font-size: 2.8rem;
      margin-bottom: 20px;
      font-weight: 700;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .hero p {
      font-size: 1.2rem;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* BUTONLAR */
    .btn {
      display: inline-block;
      padding: 12px 30px;
      border-radius: 50px;
      font-weight: 600;
      text-transform: uppercase;
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .btn-primary {
      background-color: #27ae60;
      color: white;
      box-shadow: 0 4px 10px rgba(39, 174, 96, 0.4);
    }

    .btn-primary:hover {
      background-color: #2ecc71;
      transform: translateY(-3px);
    }

    .btn-secondary {
      background-color: #3498db;
      color: white;
      box-shadow: 0 4px 10px rgba(52, 152, 219, 0.4);
    }

    .btn-secondary:hover {
      background-color: #2980b9;
      transform: translateY(-3px);
    }

    /* BÖLÜMLER */
    section {
      padding: 60px 5%;
    }

    .section-title {
      text-align: center;
      margin-bottom: 40px;
      position: relative;
    }

    .section-title h2 {
      font-size: 2.5rem;
      text-transform: uppercase;
      display: inline-block;
      padding-bottom: 10px;
      color: #fff;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .section-title h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background-color: #c0392b;
    }

    /* HİZMETLER */
    .services-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
    }

    .service-card {
      background-color: rgba(255, 255, 255, 0.9);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      width: calc(33.333% - 20px);
      transition: all 0.3s ease;
      color: #333;
    }

    .service-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    }

    .service-img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

    .service-content {
      padding: 20px;
    }

    .service-content h3 {
      font-size: 1.5rem;
      margin-bottom: 10px;
      color: #27ae60;
    }

    /* GALERİ */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 20px;
    }

    .gallery-item {
      position: relative;
      overflow: hidden;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .gallery-item img {
      width: 100%;
      height: 250px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .gallery-item:hover img {
      transform: scale(1.1);
    }

    /* İLETİŞİM FORMU */
    .contact-container {
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      justify-content: space-between;
    }

    .contact-info {
      flex: 1;
      min-width: 300px;
      background-color: rgba(255, 255, 255, 0.9);
      padding: 30px;
      border-radius: 10px;
      color: #333;
    }

    .contact-form {
      flex: 2;
      min-width: 300px;
      background-color: rgba(255, 255, 255, 0.9);
      padding: 30px;
      border-radius: 10px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      margin-bottom: 8px;
      font-weight: 600;
      color: #333;
    }

    .form-control {
      width: 100%;
      padding: 12px;
      border: 1px solid #ddd;
      border-radius: 5px;
      font-size: 1rem;
    }

    textarea.form-control {
      min-height: 150px;
      resize: vertical;
    }

    /* FOOTER */
    footer {
      background: linear-gradient(to top, #c0392b, #1e1e1e);
      padding: 40px 5% 20px;
      color: #fff;
    }

    .footer-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 30px;
    }

    .footer-column {
      flex: 1;
      min-width: 250px;
    }

    .footer-column h3 {
      font-size: 1.5rem;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
    }

    .footer-column h3::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 50px;
      height: 2px;
      background-color: #2ecc71;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a:hover {
      color: #2ecc71;
      padding-left: 5px;
    }

    .social-links {
      display: flex;
      gap: 15px;
      margin-top: 20px;
    }

    .social-links a {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background-color: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
      transition: all 0.3s ease;
    }

    .social-links a:hover {
      background-color: #2ecc71;
      transform: translateY(-3px);
    }

    .copyright {
      text-align: center;
      margin-top: 40px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* WHATSAPP BUTONU */
    .whatsapp-btn {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 60px;
      height: 60px;
      background-color: #25D366;
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4);
      z-index: 999;
      transition: all 0.3s ease;
    }

    .whatsapp-btn:hover {
      transform: scale(1.1);
    }

    /* RESPONSİVE TASARIM */
    @media screen and (max-width: 1024px) {
      .main-title {
        font-size: 2.2rem;
      }

      .service-card {
        width: calc(50% - 15px);
      }

      .hero h2 {
        font-size: 2.4rem;
      }
    }

    @media screen and (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
        position: absolute;
        right: 20px;
        top: 20px;
      }

      .main-nav {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease;
        width: 100%;
      }

      .main-nav.active {
        max-height: 300px;
      }

      .main-nav ul {
        flex-direction: column;
        gap: 10px;
        padding: 10px 0;
      }

      .hero {
        padding: 80px 5%;
      }

      .hero h2 {
        font-size: 2rem;
      }

      .service-card {
        width: 100%;
      }

      .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      }
    }

    @media screen and (max-width: 480px) {
      .main-title {
        font-size: 1.8rem;
      }

      .logo {
        width: 50px;
      }

      .header-content {
        gap: 10px;
      }

      .hero h2 {
        font-size: 1.8rem;
      }

      .hero p {
        font-size: 1rem;
      }

      .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
      }

      .section-title h2 {
        font-size: 2rem;
      }

      .whatsapp-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
        bottom: 20px;
        right: 20px;
      }
    }
 
<style>
  /* Sahibinden Butonu */
  .sahibinden-btn {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background-color: #f9c842;
    color: #333;
    padding: 12px 18px;
    border-radius: 30px;
    font-weight: bold;
    text-decoration: none;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 999;
    transition: background-color 0.3s;
  }

  .sahibinden-btn:hover {
    background-color: #ffd700;
  }

  /* Arama Butonu */
  .search-btn {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #3498db;
    color: white;
    padding: 14px 20px;
    border: none;
    border-radius: 50px;
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 999;
    transition: background-color 0.3s;
  }

  .search-btn:hover {
    background-color: #2980b9;
  }
</style>