header
{
    position: fixed;
    z-index: 90;
    top: 0;
    left: 0;

    width: 100%;
    padding: 40px 0;

    transition: padding .1s linear;
    pointer-events: none;
}

.lock header
{
    width: calc(100% - var(--scroll_width));
}


header .cont
{
    align-content: center;
    align-items: center;
    justify-content: space-between;
}



header .logo,
header .logo img
{
    color: currentColor;

    display: block;

    width: 65px;
    height: 31px;

    text-decoration: none;
    pointer-events: auto;
}



header .back_link
{
    margin-right: auto;
    margin-left: 48px;

    pointer-events: auto;
}

header .back_link a
{
    color: #252525;
    font-size: 15px;
    line-height: 21px;

    position: relative;

    display: inline-block;

    padding-left: 28px;

    transition: color .2s linear;
    vertical-align: top;
    white-space: nowrap;
    text-decoration: none;
    letter-spacing: -.01em;
}

header .back_link a:before
{
    color: #ef7800;

    position: absolute;
    top: 1px;
    bottom: 0;
    left: 0;

    display: block;

    width: 8px;
    height: 8px;
    margin: auto;

    content: '';
    transition: transform .2s linear;
    transform: translateX(13px) rotate(-45deg);

    border-top: 2px solid;
    border-left: 2px solid;
}


header .back_link a:hover
{
    color: #ef7800;
}

header .back_link a:hover:before
{
    transform: translateX(6px) rotate(-45deg);
}



header .feedback_btn
{
    color: #252525;
    font-size: 15px;
    font-weight: bold;
    line-height: 21px;

    position: relative;
    z-index: 3;

    display: flex;

    padding: 13px;

    transition: color .2s linear, border-color .2s linear;
    letter-spacing: -.01em;
    pointer-events: auto;

    border: 1px solid #e0e0e0;

    align-content: center;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-start;
}

header .feedback_btn:before
{
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;

    display: block;

    width: 0;
    height: 100%;

    content: '';
    transition: .2s linear;
    transition-property: width, opacity;
    pointer-events: none;

    opacity: 0;
    background: #ef7800;
}

header .feedback_btn .icon
{
    color: #ef7800;

    display: block;

    width: 24px;
    height: 24px;
    margin-left: 10px;

    transition: transform .2s linear, color .2s linear;
}


header .feedback_btn:hover
{
    color: #fff;

    border-color: #ef7800;
}

header .feedback_btn:hover:before
{
    width: 100%;

    opacity: 1;
}

header .feedback_btn:hover .icon
{
    color: #fff;

    transition: transform .2s linear, color .2s linear .1s;
    transform: translate(4px, -4px);
}



header.fixed
{
    padding: 20px 0;
}

header.fixed .feedback_btn
{
    background: var(--bg);
}





@media print,
(max-width: 1439px)
{
    header
    {
        padding: 28px 0;
    }
}



@media print,
(max-width: 1279px)
{
    header
    {
        padding: 24px 0;
    }

    .lock header
    {
        width: 100%;
    }


    header .back_link
    {
        margin-left: 40px;
    }


    header .feedback_btn
    {
        padding: 11px 19px;
    }
}



@media print,
(max-width: 767px)
{
    header
    {
        padding: 20px 0;
    }


    header .logo,
    header .logo img
    {
        width: 52px;
        height: 25px;
    }


    header .back_link
    {
        margin-left: 12px;
    }

    header .back_link a
    {
        font-size: 12px;

        padding-left: 20px;
    }

    header .back_link a:before
    {
        width: 7px;
        height: 7px;

        transform: translateX(8px) rotate(-45deg);
    }


    header .feedback_btn
    {
        font-size: 14px;
        line-height: 22px;

        padding: 7px 15px;
    }

    header .feedback_btn .icon
    {
        width: 22px;
        height: 22px;
        margin-left: 8px;
    }
}



@media print,
(max-width: 479px)
{
    /*------------
        Header
    ------------*/
    header
    {
        padding: 18px 0;
    }


    header .logo,
    header .logo img
    {
        width: 42px;
        height: 20px;
    }


    header .back_link a
    {
        font-size: 10px;
    }


    header .feedback_btn
    {
        font-size: 8.75px;
        line-height: 12px;

        padding: 7px;
    }

    header .feedback_btn .icon
    {
        width: 14px;
        height: 14px;
        margin-left: 6px;
    }
}