:root {
    font-family: 'Beaufort for LOL', serif;
    --white: white;
    --black: black;
    --inv: rgba(255, 255, 255, 0);
    --cor1: rgb(50, 50, 255);
    --cor2: rgb(17, 17, 18);
    --cor3: rgb(40, 40, 40);
    --cor4: rgb(11, 13, 17);
    --cor5: rgb(175, 131, 37);
    --cor6: rgb(255, 170, 0);
}

html {
    scroll-behavior: smooth;
}

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

body {
    background: var(--black);
}

a {
    text-decoration: none;
}

/*Navbar*/
.navbar {
    z-index: 5;
    box-shadow: 0 0 20px var(--black);
    position: fixed;
    width: 100%;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--cor2);
    border-bottom: 2px solid var(--cor5);
}

.itens_navbar {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: center;
}

.icon_pif {
    font-size: 30px;
    color: var(--cor5);
}

.item_navbar {
    border-radius: 5px;
    padding: 10px;
    color: var(--white);
    border-bottom: 3px solid var(--inv);

}

.item_navbar:hover {
    background: var(--cor3);
    border-bottom: 3px solid var(--cor1);

}

/*Elementos das disciplinas*/
header {
    width: 100%;
}

.k1 {
    padding: 20px;
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 20px;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, var(--black), var(--inv));
}

.p_tit_head {
    max-width: 400px;
    color: var(--white);
}

.tit_f {
    filter: drop-shadow(0 0 10px var(--black));
    font-size: 3.5rem;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 5px;
    text-shadow:
        0 5px 15px rgba(0, 0, 0, 0.3),
        0 10px 20px rgba(255, 255, 255, 0.1);
    border-bottom: 4px solid var(--cor6);
    display: inline-block;
    padding-bottom: 10px;
    ;
}

.li_A {
    transition: 0.3s;
}

.li_A:hover {
    transition: 0.3s;
}

.li_A:hover .infos {
    transition: 0.3s;
    background: var(--cor3);
}

.start {
    height: 100vh;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-image: url("img/fundo.png");
}

.by_A {
    color: var(--white);
}

.tit_A {
    color: var(--cor5);
}

.icon_disciplina {
    font-size: 30px;
    color: var(--cor5);
}

.p_A {
    color: var(--white);
}

.infos {
    background: var(--cor4);
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
    padding: 20px;
    align-items: center;
    width: 100%;
    box-shadow: 0 0 20px var(--black);
    border-top: 3px solid var(--cor5);
}

.degrade_black {
    display: flex;
    align-items: end;
    width: 550px;
    height: 370px;
}

.img_perso1 {
    background-image: url("img/mc.png");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.img_perso2 {
    background-image: url("img/mq.png");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.img_perso3 {
    background-image: url("img/relatividade.png");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.img_perso4 {
    background-image: url("img/eletricidade.png");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.ul_A {
    border-top: 2px solid var(--cor3);
    overflow-x: auto;
    display: flex;
    z-index: 1;
}

li {
    list-style-type: none;
}

/*Main*/
main {
    background: var(--black);
}

.degrade_black2 {
    background: linear-gradient(0deg, var(--black), rgba(0, 0, 0, 0.628), var(--black));
    width: 100%;
    height: 240px;
    display: flex;
    flex-direction: column;
    padding: 20px;
    gap: 20px;
    align-items: center;
    justify-content: center;
}

.p_main {
    color: var(--white);
    font-size: 30px;
}

.div_img {
    width: 100%;
    height: 100%;
    background-image: url("https://media.istockphoto.com/id/965444768/pt/foto/nebula-background.jpg?s=612x612&w=0&k=20&c=FhtK2MtAZWCgs18-BRqtivOSXdE-BesBpd_wu3kHhxg=");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.div_img2 {
    width: 100%;
    height: 100%;
    background-image: url("https://wallpapers.com/images/high/black-and-white-theoretical-physics-formulas-hyrle3z2mowgl0sp.webp");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.icon_main {
    font-size: 40px;
    color: var(--cor5);
}

.div_box {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.ul_box {
    display: flex;
    justify-content: center;
    align-items: center;
}

.img_box {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 300px;
    height: 300px;
}

.img_box2 {
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-image: url("https://www.mixme.com.br/wp-content/webp-express/webp-images/uploads/2023/09/a-importancia-dos-fisicos-no-mundo-saiba-mais-1024x510.jpg.webp");
    width: 940px;
    height: 300px;
}

.newton {
    background-image: url("https://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Portrait_of_Sir_Isaac_Newton%2C_1689_%28brightened%29.jpg/250px-Portrait_of_Sir_Isaac_Newton%2C_1689_%28brightened%29.jpg");
}

.box {
    transition: 0.3s;
    box-shadow: 0 0 30px var(--black);
    border: 2px solid var(--cor3);
}

.box:hover {
    transition: 0.3s;
    transform: scale(105%);
}

.box:hover .info_box {
    transition: 0.3s;
    background: var(--cor3);
}

.info_box {
    transition: 0.3s;
    background: var(--cor4);
    border-top: 3px solid var(--cor5);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 10px;
}

.go {
    position: absolute;
    top: 80vh;
    animation: go 3s linear infinite;
    font-size: 35px;
    filter: drop-shadow(0 0 10px var(--white));
}

.div_go {
    display: flex;
    justify-content: center;
    width: 100%;
    height: 100%;
}

@keyframes go {
    0% {
        color: var(--black);
        filter: drop-shadow(0 0 10px var(--white));
    }

    50% {
        color: var(--cor5);
        filter: drop-shadow(0 0 10px var(--cor6));
    }

    100% {
        color: var(--black);
        filter: drop-shadow(0 0 10px var(--white));
    }
}

.planck {
    background-image: url("https://upload.wikimedia.org/wikipedia/commons/c/c7/Max_Planck_1933.jpg");
}

.einstein {
    background-image: url("https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQR98m73G4lu6Y_gQKrKvDcmZgDZ6OL94iA9Q&s");
}

.feynman {
    background-image: url("https://i0.wp.com/jornalproenca.pt/wp-content/uploads/2023/10/Feynman-e1697826337943.jpg?resize=500%2C560&ssl=1");
}

.dirac {
    background-image: url("https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSN64cO4mej8lLYGeiulNj__gAECpj13qAybQ&s");
}

.inicio {
    background-image: url("https://static.historiadomundo.com.br/conteudo/images/a-pintura-rupestre-uma-das-principais-fontes-estudo-sobre-homem-pre-historico-570bc70610e5b.jpg");
}

.astronomia {
    background-image: url("https://mega.ibxk.com.br/2023/01/05/05144107578303.jpg");
}

.oriente {
    background-image: url("https://formacaohist.com.br/wp-content/uploads/2021/06/antigo_egito_thumb3_thumb2.jpg");
}

.perseguicao {
    background-image: url("https://s2-g1.glbimg.com/N8ghH4-AyFmCiilAc_AvKupiwEA=/0x0:800x613/984x0/smart/filters:strip_icc()/i.s3.glbimg.com/v1/AUTH_59edd422c0c84a879bd37670ae4f538a/internal_photos/bs/2023/J/B/ISP6qOSAOL7Vfha1BViA/o-tribunal-da-inquisicao-francisco-goya.jpg");
}

.p_A2 {
    font-size: 25px;
    color: var(--white);
}

/*Regiões*/
.ul_reg {
    overflow-x: auto;
    display: flex;
    align-items: center;
    gap: 30px;
    filter: drop-shadow(0 0 10px black);
    padding: 10px;
}

.li_reg {
    transition: 0.4s;
    height: 200px;
    width: 500px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    align-items: end;
    justify-content: center;
    border: 2px solid var(--cor2);
}

.li_reg:hover {
    z-index: 2;
    transition: 0.4s;
    transform: scale(105%);
}

.deg_reg {
    gap: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 10px;
    border-top: 2px solid var(--cor5);
    background: var(--cor4);
}

.h2_reg {
    color: var(--white);
    font-family: 'Times New Roman', Times, serif;
}

.a_reg {
    transition: 0.3s;
    gap: 10px;
    display: flex;
    align-items: center;
}

.a_reg:hover {
    transition: 0.3s;
    color: var(--white);
}

.egito {
    background-image: url("https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSexULKDHoaFUCjuanx5aB7ycUMRqPRdXyhGw&s");
}

.brasil {
    background-image: url("https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcS0pLmt0T_-O4D5tZMIh1vbSDhKgPzA-fxLxA&s");
}

.mesopotamia {
    background-image: url("https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQaL5D8XXI4nlLD547G8ULe-L5e3WeoTKno1Q&s");
}

.reino {
    background-image: url("https://www.civitatis.com/f/reino-unido/londres/guia/historia.jpg");
}

.a_reg {
    color: var(--cor5);
}

.more {
    padding: 20px;
    background: linear-gradient(90deg, var(--black), var(--cor4), var(--black));
    color: var(--cor6);
    display: flex;
    align-items: center;
    border-bottom: 2px solid var(--cor2);
    justify-content: center;
}

/*footer do site*/
.li_links_footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    background: var(--cor2);
    padding: 10px 0px;
    border-bottom: 2px solid var(--cor3);
    border-top: 2px solid var(--cor5);
}

.link_footer {
    color: var(--white);
    transition: 0.3s;
    padding: 10px;
    border-radius: 5px;
}

.link_footer:hover {
    transition: 0.3s;
    background: var(--cor3);
}

.org_icon_by {
    display: flex;
    flex-direction: column;
    gap: 5px;
    justify-content: center;
    align-items: center;
    padding: 10px;
}

.sub_div {
    background: var(--cor2);
    padding: 20px 0px;
}

.by_footer {
    font-family: 'Times New Roman', Times, serif;
    font-size: 25px;
    color: var(--cor3);
}

.li_links_footer_2 {
    display: flex;
    background: var(--cor4);
    justify-content: center;
    align-items: center;
    gap: 30px;
    padding: 10px 0px;
}

.icon_footer {
    font-size: 30px;
    color: var(--cor5);
}

.div_start {
    background: var(--black);
    padding: 50px 0px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    justify-content: center;
    align-items: center;
    color: var(--white);
}

.div_end {
    background: var(--black);
    width: 100%;
    height: 50px;
}

@media (orientation: portrait) {
    .font1{
        font-size: 10px;
    }
    .display_vertical{
        display: none;
    }
    .img_box{
        height: 300px;
        width: 300px;
    }
    .img_box2{
        width: 300px;
        height: 180px;
    }
    .itens_navbar {
        display: none;
    }
    .degrade_black{
        width: 500px;
        height: 400px;
    }
    .p_start{
        padding: 20px;
        max-width: 800px;
    }
}