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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #10b981;
    --dark: #1f2937;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
}

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

/* Header */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

/* Buttons */
.cta-button {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-button.large {
    padding: 16px 40px;
    font-size: 18px;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 100px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-features {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    backdrop-filter: blur(10px);
}

/* Features */
.features {
    padding: 80px 20px;
    background: var(--white);
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card .icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    line-height: 1.6;
}

.badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--secondary);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

/* How it works */
.how-it-works {
    padding: 80px 20px;
    background: var(--light-gray);
}

.how-it-works h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.step p {
    color: var(--gray);
}

/* Examples */
.examples {
    padding: 80px 20px;
    background: var(--white);
}

.examples h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.example-card {
    background: var(--light-gray);
    padding: 24px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.query {
    font-weight: 600;
    color: var(--dark);
    font-size: 16px;
}

.arrow {
    color: var(--primary);
    font-size: 20px;
}

.result {
    color: var(--gray);
    font-size: 14px;
}

/* Pricing */
.pricing {
    padding: 80px 20px;
    background: var(--light-gray);
}

.pricing h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    position: relative;
}

.pricing-card.featured {
    border: 3px solid var(--primary);
    transform: scale(1.05);
}

.popular {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    text-align: center;
}

.price {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    color: var(--primary);
    margin-bottom: 32px;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-card li {
    padding: 12px 0;
    border-bottom: 1px solid var(--light-gray);
}

.pricing-options {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--light-gray);
}

.option {
    padding: 8px 0;
    color: var(--gray);
    font-size: 14px;
}

/* CTA Section */
.cta-section {
    padding: 80px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    font-size: 40px;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    padding: 40px 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.footer-logo {
    font-size: 20px;
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    opacity: 0.7;
}

.footer-bottom p {
    margin: 8px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }

    .hero .subtitle {
        font-size: 16px;
    }

    .features h2,
    .how-it-works h2,
    .examples h2,
    .pricing h2 {
        font-size: 28px;
    }

    .features-grid,
    .steps,
    .examples-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 12px;
    }
}