:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    margin: -20px -20px 40px;
    border-radius: 0 0 20px 20px;
}

.badge {
    display: inline-block;
    background: rgba(255,255,255,0.1);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 30px;
}

.cta-group {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    color: var(--text);
}

.btn-secondary:hover {
    background: var(--border);
}

/* Problem Section */
.problem {
    text-align: center;
    padding: 40px 0;
}

.problem h2 {
    font-size: 1.75rem;
    margin-bottom: 24px;
}

.pain-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.pain-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.pain-card .icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}

.pain-card h3 {
    font-size: 0.95rem;
    color: var(--text-light);
}

.solution-text {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.solution-text strong {
    color: var(--primary);
}

/* How It Works */
.how-it-works {
    padding: 60px 0;
    text-align: center;
    background: white;
    margin: 0 -20px;
    padding-left: 20px;
    padding-right: 20px;
}

.how-it-works h2 {
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 600px) {
    .steps {
        grid-template-columns: 1fr;
    }
}

.step {
    text-align: center;
}

.step-num {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 16px;
}

.step h3 {
    margin-bottom: 8px;
}

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

/* Products */
.products {
    padding: 60px 0;
}

.products h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.product-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    border: 2px solid var(--border);
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.product-card.featured {
    border-color: var(--primary);
    transform: scale(1.02);
}

.product-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.product-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-badge.free {
    background: var(--success);
}

.product-badge.ai {
    background: #7c3aed;
}

.product-badge.bundle-badge {
    background: var(--warning);
    color: black;
}

.product-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    margin-top: 8px;
}

.product-card .price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 8px;
}

.product-card .price .strike {
    font-size: 1rem;
    text-decoration: line-through;
    color: var(--text-light);
}

.product-card .desc {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 16px;
    min-height: 50px;
}

.product-card .features {
    list-style: none;
    margin-bottom: 20px;
}

.product-card .features li {
    padding: 6px 0;
    font-size: 0.9rem;
}

.product-card .btn {
    width: 100%;
    text-align: center;
}

.guarantee {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 12px;
}

/* Testimonials */
.testimonials {
    padding: 60px 0;
    background: white;
    margin: 0 -20px;
    padding-left: 20px;
    padding-right: 20px;
}

.testimonials h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.testimonial {
    background: var(--bg);
    padding: 24px;
    border-radius: 12px;
}

.testimonial p {
    font-style: italic;
    margin-bottom: 12px;
}

.testimonial .author {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* FAQ */
.faq {
    padding: 60px 0;
}

.faq h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.faq-grid {
    display: grid;
    gap: 16px;
}

.faq-item {
    background: white;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.faq-item h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--primary);
}

.faq-item p {
    color: var(--text-light);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 0;
    color: var(--text-light);
}

footer .small {
    font-size: 0.75rem;
    margin-top: 8px;
}

/* Responsive */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .product-card.featured {
        transform: none;
    }
    
    .product-card.featured:hover {
        transform: translateY(-4px);
    }
}