* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    background: #e6f0fa;
    color: #1a1a1a;
    line-height: 1.8;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 15px;
}

.header {
    background: #004aad;
    color: #fff;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 2rem;
    margin: 0;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-item {
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s;
}

.nav-item:hover {
    color: #b3d4ff;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.8rem;
    cursor: pointer;
}

.main-content {
    padding: 40px 0;
}

.hero-section, .why-swim, .featured-posts, .mission-section, .reviews-section, .promo-section, .blog-posts, .tips-section, .products-section, .cart-section, .cart-tips, .privacy-section, .terms-section {
    margin-bottom: 60px;
}

h2 {
    color: #004aad;
    font-size: 2.2rem;
    margin-bottom: 20px;
}

h3 {
    color: #004aad;
    font-size: 1.6rem;
    margin-bottom: 15px;
}

.why-list, .reviews-list, .tips-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.why-list li, .reviews-list li, .tips-list li {
    padding: 15px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.1);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.post-card {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.1);
}

.post-link {
    color: #004aad;
    text-decoration: none;
}

.post-link:hover {
    text-decoration: underline;
}

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

.product-item {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.1);
    text-align: center;
}

.add-to-cart {
    background: #00a65a;
    color: #fff;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.add-to-cart:hover {
    background: #008c4a;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f0f6ff;
    margin: 10px 0;
    border-radius: 8px;
}

#lead-form input, #lead-form textarea {
    width: 100%;
    margin: 10px 0;
    padding: 12px;
    border: 1px solid #b3d4ff;
    border-radius: 8px;
}

#lead-form button {
    background: #004aad;
    color: #fff;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

#lead-form button:hover {
    background: #00357a;
}

.footer {
    background: #1a1a1a;
    color: #fff;
    text-align: center;
    padding: 30px 0;
}

.footer-content {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 15px;
}

.footer-link {
    color: #b3d4ff;
    text-decoration: none;
}

.footer-link:hover {
    text-decoration: underline;
}

.cta-button {
    background: #00a65a;
    color: #fff;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 8px;
    display: inline-block;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #008c4a;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        gap: 20px;
    }

    .nav-toggle {
        display: block;
    }

    .nav.active .nav-menu {
        display: flex;
    }

    .why-list, .reviews-list, .tips-list, .posts-grid, .products-grid {
        grid-template-columns: 1fr;
    }
}