.main {
    background: url(/img/fundo-main.webp) no-repeat center center;
    background-color: #000;

    background-size: cover;
    padding: 90px 10px;
}
.main-grid {
    display: grid;
    justify-items: center;
    color: #F4F6FA;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}
.main-grid h4 {
    display: flex;
    align-items: center;
    gap: 15px;
    color: #FECB00;
    text-align: center;
    font-size: 1.75rem;
    font-weight: 700;
}
.main-grid h1 {
    font-size: 3.4375rem;
    font-weight: 700;
    text-align: center;
    line-height: 1.2em;
    margin-bottom: 20px;
}
.main-grid h2 {
    font-size: 1.75rem;
    text-align: center;
    font-style: italic;
    margin-bottom: 20px;
}
.main-grid h2 strong {
    font-style: normal;
}

@media only screen and (min-width:350px) and (max-width:500px) {

    .main-grid h1 {
        font-size: 2rem;
        margin-top: 10px;
    }
    .main-grid h4 {
        font-size: 1.35rem;
    }
    .main-grid h2 {
        font-size: 1.15rem;
    }
    
}

@media only screen and (min-width:0px) and (max-width:349px) {

    .main-grid h1 {
        font-size: 1.7rem;
        margin-top: 10px;
    }
    .main-grid h4 {
        font-size: 1.1rem;
    }
    .main-grid h2 {
        font-size: 1rem;
    }
    .main-grid .btn {
        font-size: 1.3rem;
        padding: 10px 25px;
    }
}