style.css

/* ESTILO GERAL */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html{
    scroll-behavior: smooth;
}

body{
    background-color: #000;
    height: 100vh;
}

.interface{
    max-width: 1280px;
    margin: 0 auto;
}

.flex{
    display: flex;
}

h1.titulo{
    color: #fff;
    font-size: 30px;
    text-align: center;
}

button:hover{
    box-shadow: 0px 0px 8px #02ff41;
    transform: scale(1.05);
}

/* ESTILO DO CABEÇALHO */
header{
    padding: 50px 5%;
}

header > .interface{
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header a{
    color: #545050;
    text-decoration: none;
    display: inline-block;
    transition: .2s;
}

header a:hover{
    color: #fff;
    transform: scale(1.5);
}

header nav ul{
    list-style-type: none;
}

header nav li{
    display: inline-block;
    padding: 0 80px;
}

/* ESTILO DO TOPO DO SITE */
section.topo-do-site{
    padding: 50px 5%;
}

section.topo-do-site.flex{
    align-items: center;
    justify-content: center;
    gap: 50px;
}

.topo-do-site .txt-topo-site h1{
    color:#fff;
    font-size: 30px;
    line-height: 50px;
}

.topo-do-site .txt-topo-site p{
    color: #fff;
    font-size: 18px;
    line-height: 50px;
}

.topo-do-site .img-topo-site img{
    padding: 0 165px;
} 

/* ESTILO DAS ESPECIALIDADES */
section.especialidades{
    padding: 100px 10%;
    margin-top: -70px;
}

section.especialidades .flex{
    gap:10px;
}

.especialidades .especialidades-box{
    color: #fff;
    padding: 100px;
    border-radius: 80px;
    margin-top: 30px;
    transition: .2s;
}

.especialidades .especialidades-box:hover{
    transform: scale(1);
    box-shadow: 0 0 30px #565353;
}

.especialidades .especialidades-box i{
    font-size: 70px;
    color: #ddff00;
}

.especialidades .especialidades-box h3{
    font-size: 25px;
    margin: 30px 0;
}

/* ESTILO DOS PROJETOS */
section.projetos{
    padding: 80px 5%;
    margin-top: -150px;
}

section.projetos .flex{
    gap: 50px;
}

.img-projetos{
    margin-top: 70px;
    height: 500px;
    width: 500px;
    background-size:cover;
    background-position: 100% 0%;
    background-repeat: no-repeat;
    transition: 5s;
    cursor: pointer; 
    border-radius: 50px; 
    position: relative;
}

.img-projetos:hover{
    background-position: 100% 100%;
}

.overlay{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000000b8;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 600;
    color:#fff;
    opacity: 0;
    transition: .5s;
}

.overlay:hover{
    opacity: 1;
}

/* ESTILO DO CONTATO */
section.contato{
    margin-top: 8px;
    padding: 10px 5%;
}

section.contato .flex{
    gap: 10px;
}

.contato .interface h1{
    color:#fff;
    font-size: 30px;
    line-height: 50px;
}

.btn-contato button{
    margin-top: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background-color: #ba6c00;
    font-size: 28px;
    cursor: pointer;
    transition: .2s;
}

.btn-voltartopo{
    position: fixed;
    height: 50px;
    width: 50px;
    bottom: 5px;
    right: 10px;
    text-decoration: none;
    text-align: center;
    line-height: 50px;
    color: #007070	;
    font-size: 50px;
    cursor: pointer;
    border-radius: 100%;
}

@media screen and (max-width: 1020px){
    /* CLASSES GERAIS */
    .flex{
        flex-direction: column;
    }

    h1.titulo{
        font-size: 30px;
        line-height: 30px;
    }

    /* CABEÇALHO */
    .menu-desktop{
        display: none;
    }

    /* TOPO DO SITE */

    section.topo-do-site{
        margin-top: 30px;
        padding: 80px 8%;
    }

    section.topo-do-site .flex{
        gap: 50px;
    }

    .topo-do-site .txt-topo-site h1{
        margin-top: -100px;
        font-size: 30px;
    }

    .topo-do-site .txt-topo-site p{
        font-size: 20px;
        display: block;
        margin-left: auto;
        margin-right: auto;
    }

    .topo-do-site .img-topo-site img{
        display: block;
        margin-left: auto;
        margin-right: auto;
    }

    /* ESPECIALIDADES */
    section.especialidades{
        margin-top: 10px;
        padding: 80px 8%;
    }

    section.especialidades .flex{
        gap: 50px;
    }

    .especialidades-box{
        display: block;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
    }

    /* PROJETOS */
    section.projetos{
        margin-top: 30px;
        padding: 80px 8%;
    }

    section.projetos .flex{
        gap: 10px;
    }

    .img-projetos{
        display: block;
        margin-left: auto;
        margin-right: auto;
        background-size:cover;
        width: 100%;
    }
    
    .img-projetos:hover{
        background-position: 100% 100%;
    }

    .overlay{
        font-size: 30px;   
    }

    /* CONTATO */

    section.contato{
        margin-top: -50px;
        padding: 80px 8%;
    }

    section.contato .flex{
        gap: 10px;
    }
}