:root {
    --main-bg-color: #032B44;
    --secondary-bg-color: #1E4037;
    --accent-color: #FF9F1C;
    --highlight-color: #B583D3;
    --text-color: white;
    --code-bg-color: rgba(255, 255, 255, 0.1);
    --card-bg-color: rgba(255, 255, 255, 0.05);
    --animation-duration: 1s;
}

body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    color: var(--text-color);
    background: radial-gradient(circle, var(--main-bg-color), black);
    overflow-x: hidden;
    line-height: 1.6;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(to right, var(--main-bg-color), var(--secondary-bg-color));
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    font-size: 2rem;
    animation: fadeIn var(--animation-duration) ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card {
    background: var(--card-bg-color);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    transition: transform var(--animation-duration) ease, box-shadow var(--animation-duration) ease;
}

.card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.3);
}

button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform var(--animation-duration) ease, background-color var(--animation-duration) ease;
}

button:hover {
    transform: scale(1.1);
    background-color: #FFC107;
}

pre code {
    display: block;
    background: var(--code-bg-color);
    color: var(--text-color);
    padding: 10px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    overflow-x: auto;
}

h2, h3 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    margin-top: 20px;
    margin-bottom: 10px;
}

p {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
}

ul, ol {
    padding-left: 20px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 5px;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }

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

    pre code {
        font-size: 0.9rem;
    }
}

footer {
    text-align: center;
    padding: 20px;
    background: var(--secondary-bg-color);
    color: var(--text-color);
    font-size: 0.9rem;
}