.header {
    width: 100%;
    display: flex;
    flex-direction: column;
    font-family: Mont, serif;
}

.header__top {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #e3e3e3;
    padding: 30px 0;
    box-sizing: border-box;
}

.header__logo {
    width: 245px;
    height: auto;
}

.header__logoImg {
    width: 100%;
    height: auto;
}

.headerForm {
    display: flex;
}

.headerForm__input {
    outline: none;
    border: 1px solid #e3e3e3;
    width: 700px;
    box-sizing: border-box;
    padding: 14px 55px 14px 28px;
    font-size: 16px;
    transition: all ease-in-out 0.3s;
}

.headerForm__input:hover,
.headerForm__input:active,
.headerForm__input:focus {
    border: 1px solid #cc3d3d;
}

.headerForm__submit {
    font-size: 16px;
    color: #fff;
    width: 80px;
    height: 50px;
    background: #cc3d3d;
    border: none;
    outline: none;
    cursor: pointer;
    transition: opacity ease-in-out 0.3s;
}

.headerForm__submit:hover {
    opacity: 0.7;
}

.header__registration {
    font-size: 14px;
    line-height: 1.2;
    font-weight: 700;
    padding: 12px 16px;
    background: #85C1E9;
    color: #000;
    text-decoration: none;
    cursor: pointer;
    transition: opacity ease-in-out 0.3s;
}

.header__registration:hover {
    opacity: 0.7;
}

@media screen and (max-width: 1100px) {
    .header__top {
        width: 100%;
        flex-direction: column;
        padding: 12px;
    }

    .headerForm {
        margin: 12px 0;
    }

    .headerForm__input {
        width: 100%;
        font-size: 14px;
    }
}