@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Roboto:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Tektur:wght@400..900&subset=cyrillic&display=swap');

body {
    font-family: 'Roboto', sans-serif;
    font-size: 12px;
    color: #F5F5F5;
    background: linear-gradient(to bottom, #1A1A1A, #000000);
    margin: 0;
    padding: 0;
    line-height: 1.4;
}

.header {
    font-family: 'Tektur', sans-serif;
    background: linear-gradient(to right, #2a2a2a, #3a3a3a);
    color: #fff;
    padding: 10px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.header h1 {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
    font-size: 2em;
    color: #ffffff;
}

.header nav ul {
    list-style: none;
    margin-left: 40px;
    padding: 0;
    display: flex;
    gap: 40px;
}

.header nav ul li a {
    font-family: 'Tektur', sans-serif;
    color: #fff;
    text-decoration: none;
    font-size: 12px;
    transition: color 0.3s ease;
}

.header nav ul li a:hover {
    color: #4CAF50;
}

main {
    max-width: 80%;
    margin: 60px auto 40px auto;
    padding: 1em;
    background-color: #252525;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

section {
    margin-bottom: 2em;
    padding: 15px;
    border: 1px solid #3A3A3A;
    border-radius: 12px;
    background-color: #2D2D2D;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

section:hover {
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.2);
}

h2 {
    font-size: 2em;
    font-weight: bold;
    color: #66BB6A;
    margin-bottom: 0.5em;
}

h3 {
    font-size: 1.5em;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 0.3em;
}

h4 {
    font-size: 1.2em;
    font-weight: bold;
    color: #b0b0b0;
    margin-bottom: 0.2em;
}

p {
    margin-bottom: 1em;
}

ul, dl {
    margin-bottom: 1em;
    padding-left: 20px;
}

ul {
    list-style-type: disc;
}

dl dt {
    font-weight: bold;
    color: #00BFFF;
    margin-top: 1em;
}

dl dd {
    margin-left: 0;
    margin-bottom: 1em;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 10px 0;
    border-radius: 8px;
    border: 2px solid #444;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: box-shadow 0.3s ease;
}

img:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

a {
    color: #00BFFF;
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: #4CAF50;
    transition: width 0.3s ease;
}

a:hover {
    color: #F5F5F5;
}

a:hover::after {
    width: 100%;
}

footer {
    text-align: center;
    padding: 20px 0;
    font-family: 'Orbitron', sans-serif;
    font-size: 16px;
    color: #b0b0b0;
    margin-top: 20px;
    border-top: 1px solid #3A3A3A;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
}

.social-icons a {
    color: #b0b0b0;
    font-size: 1.5em;
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: #4CAF50;
}