body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(135deg, #0B132B, #1A202C);
    color: #FFFFFF;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(11, 19, 43, 0.9);
    padding: 1rem;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    text-align: center;
    margin: 0;
    color: #F2C464;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.container {
    display: flex;
    margin-top: 6rem;
    padding: 1rem;
}

.sidebar {
    width: 25%;
    background: #1A202C;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin-bottom: 1rem;
}

.sidebar ul li a {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease-in-out;
}

.sidebar ul li a:hover {
    color: #F2C464;
}

.content {
    width: 75%;
    padding-left: 2rem;
}

.content h2, .content h3 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    color: #F2C464;
    margin-top: 2rem;
}

.content p {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.content pre {
    background: #1A202C;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 1rem;
}

.content code {
    color: #F2C464;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

button {
    background: #F2C464;
    color: #0B132B;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

button:hover {
    transform: scale(1.1);
}

button:active {
    transform: scale(0.9);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease-in-out;
}

.gallery img:hover {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .sidebar, .content {
        width: 100%;
        padding: 1rem;
    }
}