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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background: #f4f4f4;
    color: #333;
}

header {
    background: #111;
    color: #fff;
    padding: 20px;
    text-align: center;
}

header nav a {
    color: #fff;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}
.stilhanem {
   position: fixed;
	top: 0;
      left: 0;
      width: 100%;
       color: white;
      padding: 15px;
      text-align: center;
      z-index: 999;

}
.başlık {

	text-align: center;
	font-weight: bold;
	font-size: 25px;
	margin: 120px auto -20px auto;
	
}

	.thumbnail {
  cursor: pointer;
  transition: transform 0.2s;
}
.thumbnail:hover {
  transform: scale(1.05);
}

/* Lightbox stil */
.lightbox {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.8);
  text-align: center;
  padding-top: 60px;
}
.lightbox img {
  max-width: 90%;
  max-height: 80%;
  box-shadow: 0 0 20px #fff;
  border-radius: 10px;
}
.lightbox:target {
  display: block;
}

main {
    padding: 30px;
}

.product {
    display: flex;
    flex-wrap: wrap;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.product img {
    width: 100%;
    max-width: 200px;
    border-radius: 8px;
    margin-right: 20px;
}

.product-info {
    flex: 1;
    min-width: 250px;
}

.whatsapp-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background: #25d366;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.whatsapp-btn:hover {
    background: #1ebf5d;
}

footer {
    text-align: center;
    padding: 20px;
    background: #111;
    color: #fff;
    margin-top: 40px;
}
@media (max-width: 768px){
	header nav a {
	font-size: 14px;
	}
	
	  .product {
	justify-content: center; /* yatay ortalama */   
}
	   
}