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

body {
    font-family: Arial, sans-serif;
    background-color: #000;
    color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: #000;
    border-bottom: 1px solid #333;
}

.header__bottom {
    padding: 20px 0;
}

.header__bottom-row {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 50px;
}

.header__logo img {
    display: block;
    height: 40px;
    width: auto;
}

.header__nav {
    text-align: right;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 30px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.nav-list a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
    padding: 5px 0;
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #00ff00;
    transition: width 0.3s;
}

.nav-list a:hover::after {
    width: 100%;
}

.nav-list a:hover {
    color: #00ff00;
}

.main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
}

.footer {
    background-color: #111;
    padding: 50px 0 20px;
    border-top: 1px solid #333;
    margin-top: auto;
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer__column h4 {
    color: #00ff00;
    margin-bottom: 20px;
    font-size: 18px;
}

.footer__column ul {
    list-style: none;
}

.footer__column ul li {
    margin-bottom: 10px;
}

.footer__column a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer__column a:hover {
    color: #00ff00;
}

.footer__column p {
    color: #ccc;
    margin-bottom: 10px;
}

.footer__bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #222;
    color: #666;
}

@media (max-width: 768px) {
    .header__bottom-row {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
    }
    
    .header__nav {
        text-align: center;
    }
    
    .nav-list {
        justify-content: center;
        gap: 20px;
    }
}