/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.hero-section {
    text-align: center;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 60px 40px;
    border-radius: 15px;
    margin-bottom: 60px;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.section {
    margin-bottom: 60px;
}

.section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
}

.section-description {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto 40px;
}

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

.resource-card {
    background: white;
    border: 2px solid #e1e8ed;
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.resource-card.featured {
    border-color: #667eea;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
}

.resource-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.card-description {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.topics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 25px;
}

.topic-tag {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(240, 147, 251, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(240, 147, 251, 0.6);
}

.footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
    border-top: 2px solid #e8ecf0;
    color: #666;
}

.footer p {
    margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 20px;
    }
    
    .hero-section {
        padding: 40px 20px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .section h2 {
        font-size: 1.8rem;
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .resource-card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero-section h1 {
        font-size: 1.6rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section h2 {
        font-size: 1.5rem;
    }
}