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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

nav {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background 0.3s;
}

nav a:hover {
    background: rgba(255,255,255,0.2);
}

/* Main Content */
main {
    padding: 2rem 20px;
}

section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Hero Section */
.hero {
    text-align: center;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.product-card {
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 8px;
    border: 2px solid #e0e0e0;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.product-card h3 {
    color: #667eea;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.price {
    font-size: 1.5rem;
    font-weight: bold;
    color: #27ae60;
    margin: 0.5rem 0;
}

/* Benefits */
.benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.benefit {
    text-align: center;
    padding: 1rem;
}

.benefit h3 {
    color: #667eea;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    background: #667eea;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 1rem;
    transition: background 0.3s;
}

.btn:hover {
    background: #5568d3;
}

.btn-primary {
    background: #27ae60;
}

.btn-primary:hover {
    background: #229954;
}

.btn-secondary {
    background: #e74c3c;
}

.btn-secondary:hover {
    background: #c0392b;
}

/* CTA Section */
.cta {
    text-align: center;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

.cta h2 {
    color: #333;
    margin-bottom: 1rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* DIY Guide Sections */
.diy-guide {
    border-left: 4px solid #667eea;
    padding-left: 1.5rem;
    margin-bottom: 2rem;
}

.diy-guide h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.materials, .instructions {
    margin: 1rem 0;
}

.materials h4, .instructions h4 {
    color: #555;
    margin-bottom: 0.5rem;
}

.materials ul, .instructions ol {
    margin-left: 1.5rem;
}

.materials li, .instructions li {
    margin: 0.5rem 0;
}

/* Info Boxes */
.info-box {
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 5px;
}

.warning-box {
    background: #fff3e0;
    border-left: 4px solid #ff9800;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 5px;
}

.tip-box {
    background: #e8f5e9;
    border-left: 4px solid #4caf50;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 5px;
}

/* Footer */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

footer p {
    margin: 0.5rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    nav {
        flex-direction: column;
        gap: 0.5rem;
    }

    .product-grid, .benefits {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}