.header .header__menu {
    display: flex;
    gap: 8px;
    margin-top: 30px;
    border: 1px solid #F1F1F1;
    background: #fff;
    border: 1px solid #F1F1F1;
    padding: 8px;
    border-radius: 20px;
    box-shadow: 0px 133px 53px rgba(171, 171, 171, 0.02),
        0px 75px 45px rgba(171, 171, 171, 0.08),
        0px 33px 33px rgba(171, 171, 171, 0.13),
        0px 8px 18px rgba(171, 171, 171, 0.15);
}

.header .header__mobile {
    display: none;
    background-color: #fff;
    height: 48px;
    width: 48px;
    border-radius: 12px;
    border: none;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
}

.header .header__btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #F1F1F1;
    border-radius: 12px;
    height: 58px;
    color: #8E8E8E;
    font-weight: 400;
    font-size: 20px;
    line-height: 130%;
    letter-spacing: 0%;
    text-decoration: none;
    background-color: #fff;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.header .header__academy {
    display: none;
}

.header .header__menu-img {
    opacity: 1;
    transform: none;
    transition: opacity 0.3s, transform 0.3s;
    position: absolute;
    z-index: 1;
    top: 12px;
    left: 12px;
}

.header .header__x-img {
    opacity: 0;
    transform: scale(1.6);
    transition: opacity 0.3s, transform 0.3s;
    position: absolute;
    z-index: 2;
    top: 12px;
    left: 12px;
}

.header.js-open .header__menu-img {
    opacity: 0;
    transform: scale(0.4);
}

.header.js-open .header__x-img {
    opacity: 1;
    transform: none;
}

.header .header__mobile-bg {
    display: none;
}

@media screen and (hover:hover) {
    .header .header__btn:hover {
        background-color: #2589FF;
        color: #fff;
        border-color: #2589FF;
    }
}

@media screen and (max-width: 1220px) {
    .header .header__btn {
        font-size: 16px;
        height: 53px;
    }

    .header {
        margin-top: 20px;
    }
}

@media screen and (max-width: 960px) {
    .header .header__btn.wide {
        flex: 1.5;
    }
}

@media screen and (max-width: 670px) {
    .header {
        margin-top: 0;
    }

    .header .header__mobile-bg {
        content: "";
        position: fixed;
        height: 100%;
        width: 100%;
        top: 0;
        right: 0;
        z-index: 4;
        display: block;
        background: #00000036;
        backdrop-filter: blur(10.3px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }


    .header .header__menu {
        flex-direction: column;
        gap: 0;
        padding: 0;
        background-color: #2589FE;
        overflow: hidden;
        position: fixed;
        top: 83px;
        z-index: 6;
        width: calc(100% - 2 * var(--page-margin));
        border: none;
        margin: 0;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: opacity 0.3s, transform 0.3s;
    }

    .header.js-open .header__menu {
        transform: none;
    }
    
    .header .header__academy {
        display: block;
        position: fixed;
        top: 24px;
        left: 44px;
        z-index: 5;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }

    .header.js-open .header__mobile-bg,
    .header.js-open .header__academy,
    .header.js-open .header__menu {
        opacity: 1;
        pointer-events: all;
    }

    .header .header__btn {
        background: none;
        border: none;
        border-radius: 0;
        color: #fff;
        font-family: Mulish;
        font-weight: 700;
        font-size: 16px;
        line-height: 24px;
        letter-spacing: 0%;
        padding: 22px 0;
    }

    .header .header__btn:hover {
        background-color: #51A1FF;
    }

    .header .header__mobile {
        display: flex;
        position: fixed;
        top: 22px;
        right: 32px;
        z-index: 10;
    }

    .header .header__academy-logo {
        height: 15.35px;
        width: auto;
    }
}