/* Стили для навигации */
header {
    background-color: #252525;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    width: 100%;
    position: relative;
}

header nav {
    position: relative;
    height: 40px;
    width: 100%;
}

header .logo {
    display: flex;
    align-items: center;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
}

header .logo img {
    height: 40px;
    margin-right: 10px;
}

header .logo span {
    font-weight: 700;
    font-size: 1.5rem;
    color: #e6e6e6;
}

header .menu {
    display: flex;
    list-style: none;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
}

header .menu li {
    margin-left: 25px;
}

header .menu a {
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    color: #e6e6e6;
    text-decoration: none;
    transition: all 0.3s ease;
}

header .menu a:hover {
    color: #7e57c2;
}

header .menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #7e57c2;
    transition: all 0.3s ease;
}

header .menu a:hover::after {
    width: 100%;
}

/* Мобильная адаптивность */
@media (max-width: 768px) {
    header nav {
        height: auto;
        min-height: 70px;
    }
    
    header .logo {
        position: absolute;
        left: 50%;
        top: 10px;
        transform: translateX(-50%);
    }
    
    header .menu {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        margin-top: 60px;
        width: 100%;
        justify-content: center;
    }
    
    header .menu li {
        margin: 0 10px;
    }
}

@media (max-width: 576px) {
    header .menu {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    header .menu li {
        margin: 0 5px 5px;
    }
}