body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(to right, #003366, #1E90FF);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: relative;
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(to bottom, #003366, #000033);
    color: #fff;
}

header h1 {
    font-size: 2.5em;
    margin: 0;
    font-weight: bold;
}

header p {
    font-size: 1.2em;
    margin-top: 10px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 200px;
    height: 100%;
    background: linear-gradient(to bottom, #003366, #1E90FF);
    color: white;
    padding: 20px;
    box-sizing: border-box;
    z-index: 1000;
}

.navbar a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 10px 0;
    font-size: 1em;
    transition: all 0.3s ease;
    rel="nofollow";
}

.navbar a:hover {
    color: #FFA500;
    transform: translateX(10px);
}

.main-content {
    margin-left: 240px;
    padding: 40px 20px;
    background: linear-gradient(to right, #F5F5F5, #D8BFD8);
    color: #333;
    min-height: 100vh;
}

.main-content h2, .main-content h3 {
    color: #003366;
    margin-top: 30px;
}

.main-content p {
    font-size: 1em;
    margin-bottom: 20px;
    line-height: 1.8;
}

.code-block {
    background: #1E1E1E;
    color: #00FF00;
    padding: 15px;
    border-radius: 5px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    overflow-x: auto;
}

.highlight {
    color: #FFA500;
    font-style: italic;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.button {
    background-color: #FFA500;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: #FF4500;
    transform: scale(1.1);
}

footer {
    text-align: center;
    padding: 20px;
    background: linear-gradient(to top, #003366, #1E90FF);
    color: white;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .navbar {
        width: 100%;
        height: auto;
        position: static;
        text-align: center;
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
    }
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    z-index: -1;
}