@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&family=Orbitron:wght@400;700&display=swap');

:root {
    --primary-color: #0d0d2b;
    --secondary-color: #1a1a3d;
    --accent-color: #00f7ff;
    --text-color: #e0e0e0;
    --header-font: 'Orbitron', sans-serif;
    --body-font: 'Roboto', sans-serif;
}

body {
    background-color: var(--primary-color);
    color: var(--text-color);
    font-family: var(--body-font);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    background-image: url('images/header-background.png');
    background-size: cover;
    background-position: center;
    background-color: var(--primary-color);
    text-align: center;
    padding: 6rem 1rem;
    border-bottom: 2px solid var(--accent-color);
}

header h1 {
    font-family: var(--header-font);
    font-size: 3.5rem;
    color: #fff;
    margin: 0;
    text-shadow: 0 0 15px var(--accent-color);
}

header p.subtitle {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-top: 0.5rem;
}

main {
    padding: 2rem 0;
}

.card {
    background-color: var(--secondary-color);
    border: 1px solid #2a2a4f;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0, 247, 255, 0.1);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.card::before {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(0, 247, 255, 0.2), transparent 70%);
    border-radius: 50%;
    top: var(--mouse-y, -100px);
    left: var(--mouse-x, -100px);
    transform: translate(-50%, -50%);
    transition: top 0.1s, left 0.1s;
    pointer-events: none;
}

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

h2 {
    font-family: var(--header-font);
    color: var(--accent-color);
    border-bottom: 1px solid var(--accent-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

pre {
    background-color: #0d0d2b;
    border: 1px solid var(--accent-color);
    padding: 1rem;
    border-radius: 5px;
    color: #fff;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
}

code {
    font-family: 'Courier New', Courier, monospace;
}

ul {
    list-style-type: none;
    padding-left: 0;
}

ul li {
    padding-left: 1.2em;
    position: relative;
    margin-bottom: 0.5rem;
}

ul li::before {
    content: '»';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

footer {
    background-color: #1a1a3d;
    color: #a0a0a0;
    padding: 1.5rem;
    text-align: center;
    border-top: 1px solid #2a2a4f;
    margin-top: 2rem;
}