* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fafafa;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
header {
    background: linear-gradient(to right, #1abc9c, #16a085);
    color: white;
    padding: 1.5rem 0;
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 2rem;
    font-weight: bold;
}
.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}
.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}
.nav-menu a:hover {
    opacity: 0.8;
}
main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}
footer a {
    color: #1abc9c;
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}
.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.product-card:hover {
    transform: translateY(-5px);
}
.product-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #1abc9c, #16a085);
}
.product-info {
    padding: 1.5rem;
}
.product-name {
    font-size: 1.1rem;
    font-weight: bold;
    color: #333;
}
.product-price {
    font-size: 1.5rem;
    color: #1abc9c;
    font-weight: bold;
    margin: 0.5rem 0;
}
.add-to-cart {
    width: 100%;
    background: #1abc9c;
    color: white;
    border: none;
    padding: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}
.add-to-cart:hover {
    background: #16a085;
}
.cart-item {
    background: white;
    padding: 1.5rem;
    margin: 1rem 0;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
}
.cart-total {
    background: white;
    padding: 2rem;
    margin-top: 2rem;
    border-radius: 8px;
    text-align: right;
}
.total-price {
    font-size: 1.8rem;
    color: #1abc9c;
    font-weight: bold;
}
.checkout-btn {
    background: #1abc9c;
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    margin-top: 1rem;
}
.checkout-btn:hover {
    background: #16a085;
}