/* Reset and base styles */
* {
    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: #1f2937;
    background-color: #fafafa;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Main content */
main {
    margin-top: 0;
}

/* Hero section */
.hero {
    background-color: #fff;
    color: #1f2937;
    text-align: center;
    padding: 80px 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.025em;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero h1 .subtitle {
    font-size: 2rem;
    font-weight: 600;
    color: #6b7280;
    letter-spacing: normal;
    display: block;
    margin-top: 0.5rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #6b7280;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-cta {
    margin: 2rem 0;
}

.cta-button {
    display: inline-block;
    background-color: #fbbf24;
    color: #1f2937;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(251, 191, 36, 0.3);
}

.cta-button:hover {
    background-color: #f59e0b;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.4);
}

.social-proof {
    margin-top: 3rem;
}

.users-count {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.users-count .count {
    font-weight: 700;
    font-size: 1.2rem;
    color: #fbbf24;
}

.users-count .text {
    color: #6b7280;
    font-size: 1rem;
}

/* Features section */
.features {
    padding: 80px 0;
    background-color: #fff;
}

.features h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
    color: #1f2937;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
}

.feature-card {
    background: #f9fafb;
    padding: 1.5rem 0.8rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: #fbbf24;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: #fbbf24;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.2rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
    font-weight: 600;
}

.feature-card p {
    color: #6b7280;
    font-size: 0.82rem;
    line-height: 1.5;
}

/* Content pages */
.content-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0 4rem;
}

/* Back button */
.back-button {
    display: inline-block;
    color: #6b7280;
    text-decoration: none;
    font-size: 1rem;
    margin-bottom: 2rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.back-button:hover {
    color: #1f2937;
    background-color: #f3f4f6;
}

.content-page h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.last-updated {
    color: #666;
    font-style: italic;
    margin-bottom: 2rem;
}

.content-page section {
    margin-bottom: 2rem;
}

.content-page h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #007AFF;
}

.content-page p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* Footer */
footer {
    background-color: #f9fafb;
    border-top: 1px solid #f3f4f6;
    color: #6b7280;
    text-align: center;
    padding: 3rem 0 2rem;
}

footer p {
    font-size: 0.9rem;
}

.footer-links {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: #6b7280;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #fbbf24;
}

/* Responsive design */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 3rem;
        line-height: 1.2;
    }
    
    .hero h1 .subtitle {
        font-size: 1.5rem;
        margin-top: 0.3rem;
    }
    
    .hero p {
        font-size: 1.1rem;
        padding: 0 1rem;
    }
    
    .cta-button {
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .social-proof {
        margin-top: 2rem;
    }
    
    .features {
        padding: 60px 0;
    }
    
    .features h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem 1rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .content-page {
        padding: 1rem;
    }
    
    .content-page h1 {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 50px 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .hero h1 .subtitle {
        font-size: 1.2rem;
        margin-top: 0.25rem;
    }
    
    .hero p {
        font-size: 1rem;
        padding: 0 1.5rem;
    }
    
    .cta-button {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
    
    .users-count {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .feature-card h3 {
        font-size: 1rem;
    }
    
    .feature-card p {
        font-size: 0.8rem;
    }
}