body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #00008B, #8A2BE2, #000000);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    z-index: 1000;
}

header h1 {
    font-size: 24px;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

nav a {
    color: #FFA500;
    text-decoration: none;
    margin-left: 20px;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #FFD700;
}

main {
    margin-top: 80px;
    padding: 20px;
}

section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

section:hover {
    transform: translateY(-5px);
}

h2 {
    font-size: 28px;
    margin-bottom: 15px;
    border-bottom: 2px solid #FFA500;
    padding-bottom: 10px;
}

p {
    font-size: 16px;
    margin-bottom: 15px;
}

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

code {
    color: #FFD700;
    font-size: 14px;
    display: block;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 15px 0;
}

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

.card {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: scale(1.05);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 165, 0, 0.2);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 20px;
    }

    section {
        padding: 15px;
    }

    h2 {
        font-size: 24px;
    }

    p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    main {
        padding: 10px;
    }

    .container {
        grid-template-columns: 1fr;
    }
}