*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family: 'Segoe UI', sans-serif;
}

body{
    background: linear-gradient(135deg,#1e3c72,#2a5298);
    color:#fff;
    min-height:100vh;
    transition:0.4s;
}

body.dark{
    background: linear-gradient(135deg,#000000,#1f1f1f);
}

/* HEADER */

header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 40px;
    backdrop-filter: blur(15px);
    background: rgba(255,255,255,0.1);
    position:sticky;
    top:0;
    z-index:100;
}

header h1{
    font-size:24px;
    font-weight:600;
}

nav ul{
    display:flex;
    gap:25px;
    list-style:none;
}

nav ul li{
    cursor:pointer;
    transition:0.3s;
    font-weight:500;
}

nav ul li:hover{
    color:#00f2fe;
}

/* RIGHT SIDE */

.header-right{
    display:flex;
    align-items:center;
    gap:15px;
}

.header-right input{
    padding:8px 12px;
    border-radius:20px;
    border:none;
    outline:none;
}

.header-right button{
    padding:8px 12px;
    border:none;
    border-radius:20px;
    cursor:pointer;
    background:#00c6ff;
    color:#fff;
    transition:0.3s;
}

.header-right button:hover{
    background:#0072ff;
}

/* PRODUCTS GRID */

.products{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
    gap:30px;
    padding:50px;
}

/* PRODUCT CARD */

.card{
    background:rgba(255,255,255,0.1);
    backdrop-filter:blur(20px);
    border-radius:20px;
    padding:20px;
    text-align:center;
    transition:0.4s;
}

.card:hover{
    transform:translateY(-10px);
    box-shadow:0 15px 30px rgba(0,0,0,0.4);
}

.card img{
    width:100%;
    height:200px;
    object-fit:cover;
    border-radius:15px;
}

.card h3{
    margin:15px 0 10px;
}

.card button{
    margin-top:10px;
    padding:10px;
    width:100%;
    border:none;
    border-radius:30px;
    background:linear-gradient(90deg,#00f2fe,#4facfe);
    color:#000;
    font-weight:bold;
    cursor:pointer;
    transition:0.3s;
}

.card button:hover{
    opacity:0.8;
}

/* CART PANEL */

.cart{
    position:fixed;
    right:-400px;
    top:0;
    width:350px;
    height:100%;
    background:#111;
    padding:25px;
    transition:0.4s;
    overflow-y:auto;
    box-shadow:-10px 0 30px rgba(0,0,0,0.5);
}

.cart.active{
    right:0;
}

.cart h2{
    margin-bottom:20px;
}

.cart p{
    margin:8px 0;
}

/* CHECKOUT PAGE */

.checkout{
    max-width:450px;
    margin:120px auto;
    padding:30px;
    background:rgba(255,255,255,0.1);
    backdrop-filter:blur(20px);
    border-radius:20px;
    text-align:center;
}

.checkout input{
    width:100%;
    margin:10px 0;
    padding:10px;
    border-radius:10px;
    border:none;
}

.checkout button{
    width:100%;
    padding:12px;
    border:none;
    border-radius:20px;
    background:linear-gradient(90deg,#00f2fe,#4facfe);
    cursor:pointer;
}

/* BURGER */

.burger{
    display:none;
    font-size:26px;
    cursor:pointer;
}

@media(max-width:768px){
    nav ul{
        position:absolute;
        top:70px;
        left:0;
        width:100%;
        flex-direction:column;
        background:#111;
        display:none;
        padding:20px;
    }

    nav ul.active{
        display:flex;
    }

    .burger{
        display:block;
    }

    .products{
        padding:20px;
    }
}
/* MODAL */

.modal{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.7);
    display:none;
    justify-content:center;
    align-items:center;
    z-index:200;
}

.modal.active{
    display:flex;
}

.modal-content{
    background:#111;
    padding:30px;
    border-radius:20px;
    width:90%;
    max-width:500px;
    text-align:center;
    animation:fadeIn 0.3s ease;
}

.modal-content img{
    width:100%;
    height:250px;
    object-fit:cover;
    border-radius:15px;
}

.modal-content ul{
    text-align:left;
    margin:15px 0;
}

.modal-content button{
    padding:12px;
    width:100%;
    border:none;
    border-radius:20px;
    background:linear-gradient(90deg,#00f2fe,#4facfe);
    cursor:pointer;
}

.close{
    float:right;
    font-size:22px;
    cursor:pointer;
}

@keyframes fadeIn{
    from{transform:scale(0.8); opacity:0;}
    to{transform:scale(1); opacity:1;}
}
/* Responsive Design */

@media (max-width: 1024px) {
.products{
grid-template-columns: repeat(2,1fr);
}
}

@media (max-width: 768px) {

nav{
flex-direction: column;
align-items: flex-start;
}

nav ul{
flex-direction: column;
width: 100%;
display: none;
margin-top: 10px;
}

nav ul.active{
display: flex;
}

.burger{
display:block;
cursor:pointer;
font-size:22px;
}

.products{
grid-template-columns:1fr;
padding:15px;
}

.product-card img{
height:200px;
object-fit:cover;
}

.search{
width:100%;
margin:10px 0;
}

.cart{
width:100%;
}

}

@media (max-width:480px){

.hero h1{
font-size:22px;
text-align:center;
}

.product-card{
padding:10px;
}

.product-card h3{
font-size:18px;
}

.product-card button{
width:100%;
}

}