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

:root {
    --primary: #1a1a1a;
    --secondary: #f5f5f5;
    --accent: #0066cc;
    --text: #333;
    --text-light: #666;
    --border: #e0e0e0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: #fff;
}

/* Header & Navigation */
header {
    background: var(--primary);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.7;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
    padding: 6rem 2rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0,102,204,0.3);
}

/* Products Section */
.products {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.products h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: #fff;
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
}

.product-card.featured {
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(0,102,204,0.1);
}

.badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--accent);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.product-card.coming-soon .badge {
    background: var(--text-light);
}

.product-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    margin-top: 1rem;
}

.product-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--text);
}

.product-pricing {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.price-note {
    color: var(--text-light);
    font-size: 0.9rem;
}

.buy-button {
    display: block;
    background: var(--accent);
    color: #fff;
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: background 0.3s;
}

.buy-button:hover {
    background: #0052a3;
}

.notify-button {
    display: block;
    background: var(--secondary);
    color: var(--text);
    text-align: center;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: border-color 0.3s;
}

.notify-button:hover {
    border-color: var(--accent);
}

.guarantee {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* About Section */
.about {
    background: var(--secondary);
    padding: 5rem 2rem;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

.about .intro {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.about p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.mission {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
    border-left: 4px solid var(--accent);
}

.mission h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Contact Section */
.contact {
    padding: 5rem 2rem;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact > p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.email-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.email-form input {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}

.email-form button {
    padding: 1rem 2rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.email-form button:hover {
    background: #0052a3;
}

.contact-email {
    color: var(--text-light);
}

.contact-email a {
    color: var(--accent);
    text-decoration: none;
}

/* Footer */
footer {
    background: var(--primary);
    color: #fff;
    text-align: center;
    padding: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .email-form {
        flex-direction: column;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
}