/* HEADER.CSS */

.site-header
{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition);
}

.site-header.is-scrolled
{
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 25px rgba(0,0,0,.05);
}

.header-inner
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 40px;
}

.header-logo
{
    position: relative;
    display: block;
    width: 190px;
    height: 70px;
}

.header-logo .logo
{
    position: absolute;
    left: 0;
    top: 50%;
    width: 190px;
    height: auto;
    transform: translateY(-50%);
    transition: opacity .25s ease, transform .25s ease;
}

.logo-white
{
    opacity: 1;
}

.logo-color
{
    opacity: 0;
}

.site-header.is-scrolled .logo-white
{
    opacity: 0;
}

.site-header.is-scrolled .logo-color
{
    opacity: 1;
}

.header-nav
{
    display: flex;
    align-items: center;
    gap: 32px;
}

.header-nav a
{
    position: relative;
    font-weight: 500;
    color: var(--color-white);
}

.site-header.is-scrolled .header-nav a
{
    color: var(--color-black);
}

.header-nav a::after
{
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

.header-nav a:hover::after,
.header-nav a.is-active::after
{
    width: 100%;
}

.header-actions
{
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-phone
{
    font-weight: 700;
    color: var(--color-white);
}

.site-header.is-scrolled .header-phone
{
    color: var(--color-black);
}

.header-burger
{
    display: none;
    flex-direction: column;
    gap: 6px;
    border: 0;
    background: transparent;
    padding: 10px;
    margin-right: 8px;
    cursor: pointer;
}

.header-burger span
{
    width: 28px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

.site-header.is-scrolled .header-burger span
{
    background: var(--color-black);
}

@media screen and (max-width: 992px)
{
    .header-nav
    {
        display: flex !important;
        position: fixed;
        top: 90px;
        left: 0;
        width: 100%;
        height: calc(100vh - 90px);
        background: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 40px 28px;
        gap: 28px;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }

    .header-nav.is-open
    {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    .header-nav a
    {
        color: var(--color-black) !important;
        font-size: 22px;
        font-weight: 600;
    }

    .header-burger
    {
        display: flex;
    }

    .header-burger.is-open span:nth-child(1)
    {
        transform: translateY(8px) rotate(45deg);
    }

    .header-burger.is-open span:nth-child(2)
    {
        opacity: 0;
    }

    .header-burger.is-open span:nth-child(3)
    {
        transform: translateY(-8px) rotate(-45deg);
    }
}