/* 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-color: #f8f9fa;
}

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

/* Header */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Main content */
main {
    padding: 4rem 0;
}

section {
    margin-bottom: 4rem;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 3rem 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
}

.hero h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.lead {
    font-size: 1.3rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Philosophy section */
.philosophy {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.philosophy h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.philosophy-item {
    text-align: center;
    padding: 1.5rem;
    border-radius: 8px;
    background: #f8f9fa;
    transition: transform 0.3s ease;
}

.philosophy-item:hover {
    transform: translateY(-5px);
}

.philosophy-item h4 {
    font-size: 1.3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

/* Installation section */
.installation {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.installation h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
}

.installation p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    text-align: center;
}

.code-block {
    margin-bottom: 2rem;
    background: #2c3e50;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.code-block h4 {
    background: #34495e;
    color: white;
    padding: 1rem 1.5rem;
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.code-block pre {
    margin: 0;
    padding: 1.5rem;
    background: #2c3e50;
    overflow-x: auto;
}

.code-block code {
    color: #ecf0f1;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Alternative methods */
.alternative-methods {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.alternative-methods h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

.method {
    margin-bottom: 2.5rem;
}

.method h4 {
    font-size: 1.3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.method p {
    color: #666;
    margin-bottom: 1rem;
}

/* Support section */
.support {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.support h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.support-item {
    text-align: center;
    padding: 2rem;
    border-radius: 8px;
    background: #f8f9fa;
    transition: transform 0.3s ease;
}

.support-item:hover {
    transform: translateY(-5px);
}

.support-item h4 {
    font-size: 1.3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.support-item p {
    color: #666;
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #5a6fd8;
}

/* Why independent section */
.why-independent {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.why-independent h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

.reasons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.reason {
    text-align: center;
    padding: 1.5rem;
    border-radius: 8px;
    background: #f8f9fa;
    transition: transform 0.3s ease;
}

.reason:hover {
    transform: translateY(-5px);
}

.reason h4 {
    font-size: 1.3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.reason p {
    color: #666;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

footer p {
    margin-bottom: 0.5rem;
}

footer a {
    color: #667eea;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    header h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
    
    section {
        margin-bottom: 2rem;
    }
    
    .philosophy,
    .installation,
    .alternative-methods,
    .support,
    .why-independent {
        padding: 2rem 1.5rem;
    }
    
    .philosophy-grid,
    .support-grid,
    .reasons {
        grid-template-columns: 1fr;
    }
    
    .code-block pre {
        padding: 1rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 2rem 0;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .philosophy,
    .installation,
    .alternative-methods,
    .support,
    .why-independent {
        padding: 1.5rem 1rem;
    }
}