:root {
    --primary-color: #0A2463;
    --secondary-color: #F5F7FA;
    --accent-color: #FFC107;
    --gradient-bg: linear-gradient(135deg, #0A2463, #2E5BFF);
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    background: var(--gradient-bg);
    color: white;
    margin: 0;
    padding: 0;
}

header {
    background: var(--gradient-bg);
    padding: 20px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

h1 {
    font-family: 'Merriweather', serif;
    font-weight: bold;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

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

.card {
    background: white;
    color: var(--primary-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
}

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

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

pre {
    background: #282c34;
    color: #abb2bf;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
}

code {
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9em;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    .container {
        grid-template-columns: 1fr;
    }
}