:root {
    --primary-color: #42aaff;
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
    --container-bg: rgba(20, 20, 20, 0.95);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    font-size: 16px;
}

h1 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.8em;
    margin-bottom: 50px;
    text-transform: uppercase;
    letter-spacing: 3px;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 25px;
    text-shadow: 0 0 15px rgba(66, 170, 255, 0.3);
}

h2 {
    color: var(--primary-color);
    font-size: 2em;
    margin-top: 45px;
    margin-bottom: 25px;
    padding-left: 20px;
    border-left: 5px solid var(--primary-color);
    transition: all 0.3s ease;
}

h2:hover {
    transform: translateX(10px);
}

p {
    margin-bottom: 25px;
    padding: 25px;
    background: rgba(66, 170, 255, 0.08);
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

p:hover {
    background: rgba(66, 170, 255, 0.12);
    transform: translateY(-3px);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

a:hover {
    color: #ffffff;
}

a:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

a:hover:after {
    transform: scaleX(1);
}

.container {
    background: var(--container-bg);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 0 40px rgba(66, 170, 255, 0.15);
    backdrop-filter: blur(10px);
}

@media (max-width: 768px) {
    body {
        padding: 20px 15px;
        font-size: 14px;
    }
    
    .container {
        padding: 30px 20px;
    }
    
    h1 {
        font-size: 2.2em;
    }
    
    h2 {
        font-size: 1.6em;
    }
}

ul {
    list-style-type: none;
    padding-left: 25px;
    margin-bottom: 25px;
}

ul li {
    margin-bottom: 15px;
    padding: 15px 20px;
    background: rgba(66, 170, 255, 0.05);
    border-radius: 8px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

ul li:hover {
    background: rgba(66, 170, 255, 0.1);
    border-left: 3px solid var(--primary-color);
    transform: translateX(5px);
}