```css
/* =====================================================
   MENU PRINCIPAL - MARROCO NEGÓCIOS IMOBILIÁRIOS
===================================================== */

.main-header {

    position: fixed;

    top: 0;
    left: 0;
    right: 0;

    width: 100%;
    max-width: 100%;

    height: 82px;

    margin: 0;
    padding: 0;

    box-sizing: border-box;

    background: #F7F3E8;

    backdrop-filter: blur(12px);

    border-bottom: 1px solid rgba(20, 58, 46, 0.10);

    z-index: 99999;

}


/* =====================================================
   CONTAINER
===================================================== */

.main-header-inner {

    width: 100%;
    max-width: 1280px;

    height: 82px;

    margin: 0 auto;
    padding: 0 20px;

    box-sizing: border-box;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 30px;

}


/* =====================================================
   LOGO
===================================================== */

.main-logo {

    height: 82px;

    display: flex;

    align-items: center;

    flex-shrink: 0;

    text-decoration: none;

}


.main-logo img {

    display: block;

    height: 72px;

    width: auto;

    max-width: 260px;

    object-fit: contain;

}


/* =====================================================
   MENU DESKTOP
===================================================== */

.main-nav {

    display: flex;

    align-items: center;

    justify-content: center;

    gap: 32px;

    margin-left: auto;

}


.main-nav-link {

    position: relative;

    display: flex;

    align-items: center;

    height: 82px;

    padding: 0;

    color: #143A2E;

    font-size: 15px;

    font-weight: 600;

    text-decoration: none;

    white-space: nowrap;

    transition: color .25s ease;

}


/* =====================================================
   LINHA DOURADA
===================================================== */

.main-nav-link::after {

    content: "";

    position: absolute;

    left: 0;

    bottom: 14px;

    width: 0;

    height: 2px;

    background: #C8A74D;

    transition: width .25s ease;

}


.main-nav-link:hover {

    color: #C8A74D;

}


.main-nav-link:hover::after,

.main-nav-link.ativo::after {

    width: 100%;

}


/* =====================================================
   WHATSAPP
===================================================== */

.main-whatsapp {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    gap: 8px;

    flex-shrink: 0;

    background: #143A2E;

    color: #ffffff;

    padding: 13px 20px;

    border-radius: 9px;

    font-size: 14px;

    font-weight: 700;

    text-decoration: none;

    white-space: nowrap;

    transition:
        background .25s ease,
        color .25s ease,
        transform .25s ease;

}


.main-whatsapp i {

    font-size: 17px;

}


.main-whatsapp:hover {

    background: #C8A74D;

    color: #0C271F;

    transform: translateY(-1px);

}


/* =====================================================
   BOTÃO MOBILE
===================================================== */

.main-menu-mobile {

    display: none;

    width: 42px;

    height: 42px;

    padding: 0;

    margin: 0;

    border: 0;

    background: transparent;

    color: #143A2E;

    font-size: 23px;

    cursor: pointer;

    align-items: center;

    justify-content: center;

    flex-shrink: 0;

}


.main-menu-mobile i {

    font-size: 23px;

}


/* =====================================================
   TABLET
===================================================== */

@media screen and (max-width: 1100px) {

    .main-header-inner {

        width: 100%;

        max-width: 100%;

        padding-left: 15px;
        padding-right: 15px;

        gap: 18px;

    }


    .main-logo img {

        height: 62px;

        max-width: 210px;

    }


    .main-nav {

        gap: 20px;

    }


    .main-nav-link {

        font-size: 14px;

    }


    .main-whatsapp {

        padding: 11px 15px;

        font-size: 13px;

    }

}


/* =====================================================
   CELULAR / TABLET PEQUENO
===================================================== */

@media screen and (max-width: 800px) {

    .main-header {

        position: fixed;

        top: 0;
        left: 0;
        right: 0;

        width: 100vw;

        max-width: 100vw;

        height: 74px;

        min-width: 0;

        margin: 0;
        padding: 0;

        box-sizing: border-box;

        overflow: hidden;

    }


    .main-header-inner {

        width: 100%;

        max-width: 100%;

        min-width: 0;

        height: 74px;

        margin: 0;

        padding: 0 16px;

        box-sizing: border-box;

        display: flex;

        align-items: center;

        justify-content: space-between;

        gap: 0;

    }


    /* LOGO */

    .main-logo {

        height: 74px;

        min-width: 0;

        max-width: calc(100% - 55px);

        flex: 1 1 auto;

    }


    .main-logo img {

        display: block;

        height: 54px;

        width: auto;

        max-width: 170px;

        object-fit: contain;

    }


    /* ESCONDE MENU DESKTOP */

    .main-nav {

        display: none;

    }


    /* ESCONDE WHATSAPP */

    .main-whatsapp {

        display: none;

    }


    /* MOSTRA MENU MOBILE */

    .main-menu-mobile {

        display: flex;

        width: 42px;

        height: 42px;

        min-width: 42px;

        max-width: 42px;

        flex: 0 0 42px;

        margin: 0;

        padding: 0;

    }


    .main-menu-mobile i {

        font-size: 23px;

    }

}


/* =====================================================
   CELULAR
===================================================== */

@media screen and (max-width: 500px) {

    .main-header {

        width: 100vw;

        max-width: 100vw;

        height: 70px;

    }


    .main-header-inner {

        width: 100%;

        max-width: 100%;

        height: 70px;

        padding-left: 12px;

        padding-right: 12px;

    }


    .main-logo {

        height: 70px;

        max-width: calc(100% - 48px);

    }


    .main-logo img {

        height: 48px;

        max-width: 145px;

    }


    .main-menu-mobile {

        width: 40px;

        height: 40px;

        min-width: 40px;

        max-width: 40px;

        flex-basis: 40px;

    }


    .main-menu-mobile i {

        font-size: 22px;

    }

}


/* =====================================================
   CELULAR MUITO PEQUENO
===================================================== */

@media screen and (max-width: 360px) {

    .main-header {

        width: 100vw;

        max-width: 100vw;

    }


    .main-header-inner {

        padding-left: 10px;

        padding-right: 10px;

    }


    .main-logo img {

        height: 44px;

        max-width: 130px;

    }


    .main-menu-mobile {

        width: 38px;

        height: 38px;

        min-width: 38px;

        max-width: 38px;

        flex-basis: 38px;

    }

}


/* =====================================================
   PROTEÇÃO CONTRA ESTOURO HORIZONTAL
===================================================== */

.main-header,
.main-header-inner,
.main-logo,
.main-logo img,
.main-nav,
.main-whatsapp,
.main-menu-mobile {

    box-sizing: border-box;

}