/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #000;
    background-color: #fff;
}

main {
    max-width: 1200px;
    margin: 0 auto;
}

/* Hero section */
.hero {
    padding: 60px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.125rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: #000;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}

.cta-button:hover {
    opacity: 0.8;
}

/* Features section */
.features {
    padding: 60px 20px;
    background-color: #f9f9f9;
}

.features h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
    font-weight: 700;
}

.feature-grid {
    display: grid;
    gap: 30px;
    grid-template-columns: 1fr;
}

.feature h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.feature p {
    font-size: 1rem;
}

/* CTA section */
.cta {
    padding: 60px 20px;
    text-align: center;
}

.cta h2 {
    font-size: 1.75rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.cta p {
    font-size: 1.125rem;
    margin-bottom: 20px;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 30px;
}

/* Footer */
footer {
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid #e0e0e0;
}

footer p {
    font-size: 0.875rem;
}

/* Tablet styles */
@media (min-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

/* Desktop styles */
@media (min-width: 1024px) {
    .hero {
        padding: 100px 40px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .features {
        padding: 80px 40px;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
    }

    .cta {
        padding: 80px 40px;
    }
}