/* Reset some default styles */
body, h1, h2, p, ul, li, form {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Basic styles */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

/* Header */
header {
    background: #333;
    color: #fff;
    padding: 1rem;
}

header .logo {
    font-size: 1.5rem;
    font-weight: bold;
}

header nav ul {
    list-style: none;
    display: flex;
    justify-content: space-between;
}

header nav ul li {
    margin-left: 1rem;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
}

/* Hero section */
.hero {
    background: url('hero-image.jpg') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    padding: 2rem 1rem;
}

/* Products */
.product-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    padding: 2rem 1rem;
}

.product-card {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 1rem;
    text-align: center;
    width: 200px;
    position: relative;
}

.product-card img {
    max-width: 100%;
    height: auto;
}

.product-card button {
    background: #333;
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 5px;
}

/* Cart Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

/* Footer */
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Responsive Design */
@media (max-width: 768px) {
    header nav ul {
        flex-direction: column;
        align-items: center;
    }

    header nav ul li {
        margin: 0.5rem 0;
    }

    .product-grid {
        flex-direction: column;
        align-items: center;
    }
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

#login-modal, #signup-modal, #cart-modal {
    display: none;
}