body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-size: cover;
  }
  
  #sayfa {
    margin: 60px;
    padding: 20px;
    border-style: solid;
    background-color: #ffffff;
    opacity: 0.96;
    position: relative;
  }
  
  h1, h2, h3, h4 {
    padding: 20px;
  }
  
  a {
    color: black;
    font-size: 20px;
    text-decoration: none;
  }
  
  a:hover {
    color: gray;
  }
  
  /* Logo alanı */
  .logo-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
  }
  
  .logo-container img {
    width: 160px;
    height: auto;
  }
  
  .logo-container h1 {
    font-size: 40px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    margin: 0;
    flex-grow: 1;
    text-align: center;
  }
  
  /* Arama kutusu */
  .arama-formu {
    text-align: right;
    padding: 10px 20px;
  }
  
  .arama-formu input[type="search"] {
    padding: 8px;
    font-size: 16px;
    width: 200px;
  }
  
  /* Galeri */
  .galeri {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    padding: 20px;
  }
  
  .galeri-item {
    text-align: center;
    flex: 0 1 calc(50% - 40px);
  }
  
  .galeri-item img {
    width: 100%;
    max-width: 300px;
    height: auto;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }
  
  /* Slider */
  .slider {
    position: relative;
    display: flex;
    overflow-x: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    width: 100%;
  }
  
  .slide {
    flex: 0 0 100%;
    scroll-snap-align: start;
    height: 300px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .slider-buttons {
    text-align: center;
    margin-top: 20px;
  }
  
  .slider-buttons button {
    padding: 10px 20px;
    background-color: #000000;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
  }
  
  .slider-buttons button:hover {
    background-color: #333333;
  }
  
  /* Ürün Kartları */
  .product-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    padding: 20px;
  }
  
  .product-card {
    flex: 0 0 300px;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }
  
  .product-card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
  }
  
  .product-card h3 {
    font-size: 20px;
    margin: 10px 0;
  }
  
  .price {
    font-size: 18px;
    color: #4CAF50;
    margin-bottom: 10px;
  }
  
  .add-to-cart {
    padding: 10px 20px;
    background-color: #000;
    color: #fff;
    border: none;
    cursor: pointer;
    border-radius: 6px;
  }
  
  /* İletişim */
  .iletisim {
    display: flex;
    justify-content: space-between;
    padding: 30px;
    flex-wrap: wrap;
  }
  
  .iletisim > div {
    width: 48%;
    min-width: 300px;
  }
  
  .iletisim input,
  .iletisim textarea,
  .iletisim button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
  }
  
  .iletisim button {
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
  }
  
  .iletisim button:hover {
    background-color: #45a049;
  }
  
  /* Sosyal Medya */
  .social-icons a {
    margin-right: 20px;
    display: inline-block;
  }
  
  .social-icons img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
  }
  
  /* Yukarı Çık Butonu */
  #scrollToTopBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    background-color: #000000;
    color: white;
    border: none;
    padding: 15px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  }
  
  #scrollToTopBtn:hover {
    background-color: #333333;
  }
  
  /* Hoşgeldiniz kutusu (sadece index.html kullanır) */
  .fade-in-mesaj {
    opacity: 0;
    text-align: center;
    font-size: 24px;
    padding: 20px 50px 20px 20px;
    background-color: #f0f0f0;
    border-radius: 10px;
    margin: 20px auto;
    width: fit-content;
    position: relative;
    animation: fadeIn 2s ease forwards;
  }
  
  .fade-in-mesaj button {
    position: absolute;
    top: 10px;
    right: 10px;
    background: transparent;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: #333;
  }
  
  .fade-in-mesaj button:hover {
    color: red;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  /* Ana kategori başlıkları */
.section-title {
  font-size: 24px;
  font-weight: bold;
  margin: 40px 0 20px;
  text-align: center;
}

/* Slider */
.slider-container {
  overflow-x: auto;
  white-space: nowrap;
  scroll-behavior: smooth;
  padding: 10px;
}

.slider-container .product-card {
  display: inline-block;
  vertical-align: top;
  width: 250px;
  margin: 10px;
}

/* Ürün kartları */
.product-card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 15px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  text-align: center;
}

.product-card img {
  max-width: 100%;
  height: 180px;
  object-fit: contain;
  margin-bottom: 10px;
}

.product-card h3 {
  font-size: 16px;
  margin: 10px 0;
}

.product-card .price {
  color: #4CAF50;
  font-weight: bold;
}

/* Slider butonları */
.slider-controls {
  text-align: center;
  margin-top: 10px;
}

.slider-controls button {
  padding: 8px 12px;
  margin: 0 5px;
  background: black;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
.model-baslik {
  font-size: 22px;
  font-weight: bold;
  margin: 30px 0 15px;
  padding-bottom: 5px;
  border-bottom: 2px solid #ddd;
  color: #222;
}
@media (max-width: 768px) {
  #sayfa {
    margin: 10px;
    padding: 15px;
  }

  .logo-container {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
  }

  .arama-formu {
    text-align: center;
  }

  .galeri {
    flex-direction: column;
    gap: 20px;
  }

  .galeri-item {
    flex: 1 1 100%;
  }

  .slider-buttons button {
    width: 45%;
    margin: 5px;
  }

  .product-card {
    flex: 0 0 100%;
  }

  .iletisim {
    flex-direction: column;
  }

  .iletisim > div {
    width: 100%;
  }

  .fade-in-mesaj {
    font-size: 18px;
    padding: 15px;
  }

  .slider-container .product-card {
    width: 85%;
  }

  .section-title,
  .model-baslik {
    font-size: 20px;
  }
}
.logo-container h1 {
  font-size: 48px;
  margin: 0;
}

.logo-title {
  color: #111;
  text-decoration: none;
  font-size: 48px; /* kritik olan satır */
}

@media screen and (max-width: 768px) {
  .logo-title {
    font-size: 32px;
  }
}
.filter-icon {
  position: fixed;
  top: 120px;
  right: 20px;
  z-index: 9999;
  background-color: #222;
  color: white;
  border: none;
  border-radius: 50%;
  width: 45px;
  height: 45px;
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 8px rgba(0,0,0,0.4);
}
.filter-icon:hover {
  background-color: #444;
}

.filter-panel {
  position: fixed;
  top: 180px;
  right: 20px;
  background-color: #fff;
  color: #000;
  padding: 15px 20px;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0,0,0,0.2);
  width: 270px;
  max-height: 80vh;
  overflow-y: auto;
  z-index: 9998;
  font-family: Arial, sans-serif;
}

.filter-panel h4 {
  margin: 12px 0 8px;
  font-size: 16px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 4px;
}

.filter-panel label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  cursor: pointer;
}

.filter-panel input[type="checkbox"],
.filter-panel input[type="number"] {
  margin-right: 8px;
  cursor: pointer;
}