/* 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: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    text-align: center;
    padding: 40px 20px 20px;
}

.logo h1 {
    font-size: 3rem;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    margin: 0;
}

/* Main Content */
main {
    flex: 1;
    background: white;
    border-radius: 20px;
    padding: 60px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    margin: 20px 0;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 50px;
}

.tagline {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 20px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.5rem;
    color: #764ba2;
    font-weight: 600;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Description Section */
.description {
    text-align: center;
    margin-bottom: 60px;
    padding: 0 20px;
}

.description p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #555;
    max-width: 800px;
    margin: 0 auto;
}

/* Features Section */
.features {
    margin-bottom: 60px;
}

.features h3 {
    text-align: center;
    font-size: 2rem;
    color: #333;
    margin-bottom: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 15px;
    background: #f8f9fa;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature-item h4 {
    font-size: 1.3rem;
    color: #667eea;
    margin-bottom: 10px;
}

.feature-item p {
    color: #666;
    font-size: 1rem;
}

/* CTA Section */
.cta {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    color: white;
}

.cta h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta p {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 20px;
    color: white;
}

.footer-content p {
    margin: 5px 0;
    font-size: 1rem;
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    main {
        padding: 40px 20px;
    }

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

    .features h3 {
        font-size: 1.5rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .cta h3 {
        font-size: 1.5rem;
    }

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

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.5rem;
    }

    .tagline {
        font-size: 1.4rem;
    }

    main {
        padding: 30px 15px;
    }
}