* {
    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;
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero .tagline {
    font-size: 1.5em;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero .cta-buttons {
    margin-top: 40px;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    margin: 10px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    font-size: 1.1em;
}

.btn-primary {
    background: white;
    color: #667eea;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
}

nav {
    background: white;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav li {
    margin: 0 20px;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    transition: color 0.3s;
}

nav a:hover {
    color: #667eea;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 50px;
    color: #2d3748;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 3em;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: #667eea;
}

.faq-section {
    background: #f7fafc;
}

.faq-item {
    background: white;
    margin-bottom: 20px;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.faq-item h3 {
    color: #667eea;
    margin-bottom: 10px;
}

.support-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.support-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.support-card {
    background: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.support-card h3 {
    font-size: 1.3em;
    margin-bottom: 15px;
}

footer {
    background: #2d3748;
    color: white;
    text-align: center;
    padding: 40px 20px;
}

.footer-links {
    margin-top: 20px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    opacity: 0.8;
}

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

.page-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 20px;
}

.page-content h1 {
    color: #667eea;
    margin-bottom: 30px;
    font-size: 2.5em;
}

.page-content h2 {
    color: #2d3748;
    margin-top: 40px;
    margin-bottom: 20px;
    font-size: 1.8em;
}

.page-content p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.page-content ul {
    margin: 20px 0 20px 40px;
}

.page-content li {
    margin-bottom: 10px;
}

.tutorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.tutorial-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-left: 4px solid #667eea;
}

.tutorial-card h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.tutorial-card ol {
    margin-left: 20px;
}

.tutorial-card li {
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5em;
    }
    
    .hero .tagline {
        font-size: 1.2em;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav li {
        margin: 10px 0;
    }
    
    .tutorial-grid {
        grid-template-columns: 1fr;
    }
}