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

body{
background:#0f172a;
color:white;
overflow-x:hidden;
}

nav{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 60px;
background:#111827;
position:sticky;
top:0;
z-index:1000;
}

.logo{
font-size:30px;
font-weight:700;
color:#00d4ff;
text-decoration:none;
}

.nav-links{
display:flex;
gap:30px;
list-style:none;
align-items:center;
}

.nav-links a{
text-decoration:none;
color:white;
font-weight:500;
}

.cart-icon{
position:relative;
font-size:22px;
}

.cart-icon span{
position:absolute;
top:-10px;
right:-12px;
background:#00d4ff;
color:black;
width:22px;
height:22px;
border-radius:50%;
display:flex;
justify-content:center;
align-items:center;
font-size:12px;
font-weight:700;
}

.burger{
display:none;
font-size:28px;
cursor:pointer;
}

.hero{
height:100vh;
background:url('https://images.unsplash.com/photo-1558981806-ec527fa84c39?q=80&w=1800&auto=format&fit=crop');
background-size:cover;
background-position:center;
display:flex;
justify-content:center;
align-items:center;
position:relative;
}

.hero::before{
content:'';
position:absolute;
inset:0;
background:rgba(0,0,0,.6);
}

.hero-content{
position:relative;
text-align:center;
max-width:900px;
padding:20px;
}

.hero h1{
font-size:70px;
margin-bottom:20px;
}

.hero p{
font-size:24px;
margin-bottom:30px;
}

.btn{
background:#00d4ff;
padding:15px 30px;
border-radius:12px;
text-decoration:none;
color:black;
font-weight:700;
display:inline-block;
}

.section{
padding:80px 60px;
}

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

.product-card{
background:#1e293b;
padding:20px;
border-radius:20px;
text-align:center;
}

.product-card img{
width:100%;
height:250px;
object-fit:cover;
border-radius:15px;
margin-bottom:20px;
}

.buttons{
display:flex;
flex-direction:column;
gap:10px;
margin-top:20px;
}

button{
padding:14px;
border:none;
border-radius:12px;
font-weight:700;
cursor:pointer;
}

.buy-now{
background:#22c55e;
color:white;
}

#cart-items{
display:flex;
flex-direction:column;
gap:20px;
}

.cart-item{
background:#1e293b;
padding:20px;
border-radius:20px;
display:flex;
justify-content:space-between;
align-items:center;
}

.quantity-controls{
display:flex;
gap:10px;
align-items:center;
}

.remove-btn{
background:red;
color:white;
}

.empty-cart{
background:#1e293b;
padding:50px;
border-radius:20px;
text-align:center;
}

.checkout-container{
display:grid;
grid-template-columns:2fr 1fr;
gap:40px;
padding:60px;
}

.checkout-left,
.checkout-right{
background:#1e293b;
padding:40px;
border-radius:20px;
}

.checkout-form{
display:flex;
flex-direction:column;
gap:20px;
}

.checkout-form input{
padding:16px;
border:none;
border-radius:12px;
}

.row{
display:grid;
grid-template-columns:1fr 1fr;
gap:20px;
}

.shipping-option{
background:#0f172a;
padding:15px;
border-radius:12px;
display:flex;
gap:10px;
}

footer{
padding:30px;
background:#111827;
text-align:center;
margin-top:50px;
}

@media(max-width:900px){

nav{
padding:20px;
}

.burger{
display:block;
}

.nav-links{
position:fixed;
top:0;
right:-100%;
height:100vh;
width:250px;
background:#111827;
flex-direction:column;
padding-top:100px;
transition:.3s;
}

.nav-links.active{
right:0;
}

.hero h1{
font-size:42px;
}

.checkout-container{
grid-template-columns:1fr;
padding:20px;
}

.section{
padding:40px 20px;
}

.cart-item{
flex-direction:column;
gap:20px;
align-items:flex-start;
}

}


.cart-checkout{
display:flex;
justify-content:flex-end;
margin-top:10px;
}

@media(max-width:900px){
.cart-checkout{
width:100%;
justify-content:center;
}
}