body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, #87CEEB, #9370DB);
    color: #fff;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(to bottom, #1E3C72, #2A5298);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-size: 2.5rem;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    gap: 30px;
}

section {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

section:hover {
    transform: scale(1.02);
}

h2, h3, h4 {
    color: #FFD700;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

p {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
}

pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    color: #00FF00;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    overflow: hidden;
}

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

th {
    background: rgba(0, 0, 0, 0.3);
    color: #FF6347;
}

td {
    color: #d0d0d0;
}

.card {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.card-item {
    width: calc(33.33% - 40px);
    min-width: 280px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.card-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

footer {
    text-align: center;
    padding: 20px;
    background: linear-gradient(to top, #1E3C72, #2A5298);
    margin-top: 40px;
}

@media (max-width: 768px) {
    section {
        padding: 15px;
    }

    .card-item {
        width: calc(50% - 20px);
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }

    .card-item {
        width: 100%;
    }
}