body{margin:0;font-family:sans-serif;background:#fff;color:#333;}
header{display:flex;justify-content:space-between;align-items:center;padding:20px;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,0.1);position:sticky;top:0;}
header .logo{font-size:24px;font-weight:bold;}
header nav a{margin-left:20px;text-decoration:none;color:#333;}
.search-box{text-align:center;padding:30px;}
.search-box input{width:50%;padding:12px;border:1px solid #ccc;border-radius:25px;font-size:16px;}
.search-box button{padding:12px 20px;border:none;background:#e74c3c;color:#fff;border-radius:25px;font-size:16px;cursor:pointer;margin-left:-50px;}
.gallery{column-count:3;column-gap:15px;padding:20px;}
.img-card{break-inside:avoid;margin-bottom:15px;border-radius:12px;overflow:hidden;box-shadow:0 2px 5px rgba(0,0,0,0.1);}
.img-card img{width:100%;display:block;}
@media(max-width:768px){.gallery{column-count:2;}}
@media(max-width:480px){.gallery{column-count:1;}}