body {
    background-color: #f5f5f5;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 20px 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #3498db;
}

.hero {
    background-color: #3498db;
    color: white;
    padding: 60px 0;
    text-align: center;
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background-color: #2c3e50;
    color: white;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #1a252f;
}

.products {
    padding: 60px 0;
}

.products h2 {
    text-align: center;
    margin-bottom: 40px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-img {
    height: 200px;
    background-color: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-info {
    padding: 20px;
}

.product-title {
    font-size: 18px;
    margin-bottom: 10px;
}

.product-price {
    font-size: 20px;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 15px;
}

.product-desc {
    color: #777;
    font-size: 14px;
    margin-bottom: 20px;
}

.add-to-cart {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
}

.add-to-cart:hover {
    background-color: #2980b9;
}

.features {
    background-color: #ecf0f1;
    padding: 60px 0;
    text-align: center;
}

.features h2 {
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature {
    padding: 20px;
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
    color: #3498db;
}

.feature h3 {
    margin-bottom: 15px;
}

.contact {
    padding: 60px 0;
}

.contact h2 {
    text-align: center;
    margin-bottom: 40px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-group textarea {
    height: 150px;
}

.submit-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: #2980b9;
}

footer {
    background-color: #2c3e50;
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.footer-links a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
    }

    nav ul {
        margin-top: 20px;
    }

    .products-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
}