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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #fafafa;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    background: #fff;
    border-bottom: 1px solid #e8e8e8;
    padding: 26px 0;
}

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

.logo h1 {
    font-size: 21px;
    font-weight: 600;
    letter-spacing: -0.8px;
    color: #111;
}

nav a {
    margin-left: 32px;
    text-decoration: none;
    color: #444;
    font-weight: 500;
    font-size: 15px;
}

nav a:hover {
    color: #000;
}

.hero {
    background: linear-gradient(180deg, #fff 0%, #f8f8f8 100%);
    padding: 100px 0 90px;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.hero h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.1;
    color: #111;
    letter-spacing: -1.2px;
}

.hero p {
    font-size: 19px;
    color: #555;
    margin-bottom: 40px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    background: #0a2540;
    color: #fff;
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s ease;
}

.btn:hover {
    background: #061a2e;
    transform: translateY(-1px);
}

.featured {
    padding: 80px 0;
}

.featured h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 40px;
    text-align: center;
    color: #111;
    letter-spacing: -0.5px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.product-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 10px;
    text-align: center;
    transition: all 0.25s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}

.product-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 22px;
}

.product-card h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #111;
    line-height: 1.3;
}

.category {
    color: #777;
    font-size: 13px;
    margin-bottom: 20px;
    letter-spacing: 0.3px;
}

.affiliate-btn {
    display: block;
    background: #0a2540;
    color: #fff;
    padding: 14px 0;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    margin-top: auto;
}

.affiliate-btn:hover {
    background: #061a2e;
}

footer {
    background: #fff;
    padding: 36px 0;
    text-align: center;
    font-size: 13px;
    color: #777;
    border-top: 1px solid #eee;
}

/* Mobile: 3 columns per row */
@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    
    .product-card {
        padding: 8px;
    }
    
    .product-card img {
        height: 160px;
        object-fit: contain;
        border-radius: 6px;
        margin-bottom: 16px;
    }
    
    .product-card h4 {
        font-size: 14px;
    }
    
    .affiliate-btn {
        font-size: 12px;
        padding: 10px 0;
    }
}