/* Reset & Base Styles */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Helvetica Neue', sans-serif; }
body { background-color: #f9f9f9; color: #333; }

/* Navigation */
.navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.5rem 3rem; background: white; box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky; top: 0; z-index: 100;
}
.logo { font-weight: 800; letter-spacing: 2px; font-size: 1.2rem; }
.nav-links a { text-decoration: none; color: #333; margin-left: 2rem; font-weight: 500; }

/* Hero Section - The CDN Test */
.hero {
    /* Using a high-res image to test CDN caching performance */
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('https://images.unsplash.com/photo-1441986300917-64674bd600d8?q=80&w=2070&auto=format&fit=crop');
    background-size: cover; background-position: center;
    height: 80vh; display: flex; align-items: center; justify-content: center;
    color: white; text-align: center;
}
.hero h1 { font-size: 3.5rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; margin-bottom: 2rem; }

/* Buttons */
.btn-primary {
    background: white; color: black; padding: 1rem 2rem; border: none;
    font-weight: bold; cursor: pointer; transition: 0.3s;
}
.btn-primary:hover { background: #eee; transform: translateY(-2px); }
.btn-secondary {
    background: transparent; border: 1px solid #333; padding: 0.5rem 1rem;
    cursor: pointer; margin-top: 1rem;
}

/* Products */
.products { padding: 4rem 2rem; text-align: center; }
.product-grid { display: flex; justify-content: center; gap: 2rem; margin-top: 2rem; flex-wrap: wrap; }
.product-card { background: white; padding: 1rem; width: 300px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.product-card img { width: 100%; height: 250px; object-fit: cover; margin-bottom: 1rem; }

/* Login Section - The WAF Test */
.login-section { padding: 4rem 2rem; background: #111; color: white; display: flex; justify-content: center; }
.login-container { width: 100%; max-width: 400px; text-align: center; }
.form-group { text-align: left; margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-size: 0.9rem; color: #aaa; }
.form-group input { width: 100%; padding: 0.8rem; background: #222; border: 1px solid #333; color: white; }
.full-width { width: 100%; margin-top: 1rem; }