body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #000046 0%, #1CB5E0 100%);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    background: rgba(0, 0, 70, 0.8);
    padding: 20px 0;
    text-align: center;
    position: relative;
}

header h1 {
    font-size: 2.5rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #3498db;
    text-shadow: 0 0 10px rgba(52, 152, 219, 0.8);
}

header p {
    font-size: 1rem;
    color: #bdc3c7;
    margin-top: 10px;
}

main {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 15px;
}

.card h3 {
    font-size: 1.5rem;
    color: #ecf0f1;
    margin-bottom: 10px;
}

.card p {
    font-size: 1rem;
    color: #bdc3c7;
}

code {
    background: rgba(0, 0, 0, 0.5);
    color: #3498db;
    padding: 5px 10px;
    border-radius: 5px;
    font-family: 'Courier New', Courier, monospace;
    display: block;
    margin: 10px 0;
    white-space: pre-wrap;
    word-break: break-word;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th, table td {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px;
    text-align: left;
    color: #ecf0f1;
}

table th {
    background: rgba(0, 0, 70, 0.5);
}

footer {
    background: rgba(0, 0, 70, 0.8);
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    color: #bdc3c7;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .card {
        padding: 15px;
    }

    code {
        font-size: 0.9rem;
    }
}

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

    main {
        grid-template-columns: 1fr;
    }

    code {
        font-size: 0.8rem;
    }
}