* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;

    font-family: "Ubuntu", sans-serif;
    font-weight: 500;
    font-style: normal;
}

:root {
    --cor-principal: #172121;
    --cor-secundaria: #212f2f;

    --cor-principalTexto: #F0F0F0;
    --cor-secundariaTexto: #E5D0CC;

    --cinza-claro: #A9A9A9;
    --branco-gelo: #F0F0F0;
    --vinho: #800020;

    --preto: black;
    --gray: gray;
    --white: white;
}


body {
    background-color: var(--cor-principal);
    color: var(--branco-gelo);
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}

li {
    float: left;
}

li a,
.dropbtn {
    display: inline-block;
    color: var(--cor-principalTexto);
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover,
.dropdown:hover .dropbtn {
    background-color: #111;
}

/* Estilo para o dropdown */
li.dropdown {
    display: inline-block;
}

/* teste de dropdown diferente*/
.dropdown-contentInfo {
    display: none;
    position: absolute;
    background-color: #333;
    min-width: 192px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.dropdown-contentInfo a {
    color: white;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-contentInfo a:hover {
    background-color: #575757;
}

.dropdown:hover .dropdown-contentInfo {
    display: block;
}

/* dropdown original*/
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #333;
    min-width: 225px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.dropdown-content a {
    color: var(--cor-principalTexto);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {
    background-color: #575757;
}

.dropdown:hover .dropdown-content {
    display: block;
}

a{
    text-decoration: none;
    color: var(--cor-principalTexto);
}
p {
    margin: 2%;
    text-align: center;
}

h1 {
    padding: 5px;
    text-align: center;
    background-color: #333;
    font-weight: 700;
}


/* CSS TCC's */
main {
    margin: 10px;
}

main h1 {
    margin: 10px;
}

.tituloSec {
    text-align: center;
}



.grid-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, 1fr);

    gap: 2%;
    /* Espaço entre as imagens */
}

.grid-item {
    width: 100%;
    height: 100%;
    overflow: hidden;
    border: 3px solid var(--cor-secundaria);
    border-radius: 10px;
    text-align: center;
    transition: border 0.3s ease-in-out;

}

.grid-item h2 {
    background-color: var(--cor-secundaria);
    padding: 5px;
}

.grid-item img {
    width: 90%;
    height: 90%;
    object-fit: scale-down;

}

.grid-item:hover {
    animation: color-change 1s infinite;
}

@keyframes color-change {
    0% {
        border-color: var(--preto);
    }

    33% {
        border-color: var(--cinza-claro);
    }

    66% {
        border-color: var(--branco-gelo);
    }

    100% {
        border-color: var(--preto);
    }
}

/* Final CSS TCC's*/



/* CSS TCC's Passados*/
.tituloSec_past {
    text-align: center;
}

.containerTCC_past {
    margin: 0.5%;
    background-color: var(--cor-secundaria);
    color: var(--cor-secundariaTexto);
    border-radius: 2%;
}

.containerTCC_past h1 {
    padding-top: 1%;
}

.contentTCC_pastMain {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

.contentTCC_past {
    width: 20%;
    height: 25%;
    overflow-wrap: break-word;
    margin: 1%;
    padding: 0.2%;
}

.contentTCC_past img {
    width: 90%;
    height: 90%;
}

/* Final CSS TCC's Passados*/








.space {
    margin: 4%;   
}

footer {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    margin: 0;
    padding: 10px 30px;
    color: #a2b5cd;
    background: var(--cor-principal);
}

footer.top {
    border-bottom: 2px solid #3a4f6a;
    padding-bottom: 20px;
}

footer.top .links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

footer.bottom {
    padding: 20px 30px;
    justify-content: space-between;
}

footer .links>div {
    display: grid;
    gap: 10px;
    margin-bottom: 30px;
}

footer h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 400;
    color: var(--cor-secundariaTexto);
}

footer .legal {
    font-size: 12px;
}

footer .legal>a {
    margin: 0 4px;
}

footer .legal>span {
    margin-right: 10px;
}

footer.bottom .links {
    display: flex;
    gap: 18px;
}

footer.bottom .links {
    font-size: 24px;
}


@media (max-width: 620px) {
    footer {
        flex-direction: column-reverse;
    }

    footer.bottom {
        gap: 16px;
        flex-direction: column-reverse;
    }
}

@media (max-width: 620) {
    footer {
        margin: 0 auto;
        max-width: 600px;
        padding: 0;
    }
}

@media (max-width: 420px) {
    footer {
        text-align: center;
        align-items: center;
    }

    footer.top .links {
        grid-template-columns: 1fr;
    }

    footer.bottom {
        align-items: center;
    }

    footer .legal>span {
        display: block;
        margin-right: 0;
        margin-bottom: 2px;
    }
}