style.css

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.diagram-container {
    padding: 40px;
    background: #f8fafc;
}

.vpc-section {
    margin-bottom: 50px;
}

.vpc-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    text-align: center;
}

.vpc-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.vpc-header p {
    font-size: 1rem;
    opacity: 0.9;
}

.environments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.environment {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.environment:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: #667eea;
}

.environment h3 {
    color: #2d3748;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
}

.components-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.component {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.component::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.component:hover::before {
    left: 100%;
}

.component:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.component-icon {
    font-size: 1.5rem;
    margin-bottom: 10px;
    display: block;
}

.component-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.component-details {
    font-size: 0.85rem;
    opacity: 0.9;
    line-height: 1.4;
}

.internet-gateway {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.load-balancer {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.subnet {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.ec2-instance {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.public-subnet {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.connections {
    margin-top: 40px;
    text-align: center;
}

.connection-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.connection-item {
    background: white;
    padding: 15px 20px;
    border-radius: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 2px solid #e2e8f0;
    font-weight: 500;
    color: #2d3748;
    transition: all 0.3s ease;
}

.connection-item:hover {
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-2px);
}

.arrow {
    color: #667eea;
    font-size: 1.2rem;
}

.stats {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin-top: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stats h3 {
    color: #2d3748;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.stat-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .diagram-container {
        padding: 20px;
    }
    
    .environments-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .components-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .connection-flow {
        flex-direction: column;
        gap: 10px;
    }
}