:root {
    --azul: #000587;
    --laranja: #FF6734;
    --amarelo: #FFD94D;
    --verde: #19A22E;
    --cabeçalho: "Playfair Display", serif;
    --paragrafo: "HelveticaNeue-Light", Helvetica, Arial, sans-serif;
    --avenir: 'Avenir', sans-serif;
}

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

body {
    height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--paragrafo);
}

body:has(.ul-nav.active) {
    overflow: hidden;
}

/* ===== CLASSES DE CONTROLE RESPONSIVO ===== */
.mobile-only {
    display: none !important;
}

.desktop-only {
    display: block !important;
}

@media (max-width: 1200px) {
    .mobile-only {
        display: block !important;
    }
    
    .desktop-only {
        display: none !important;
    }
}

/* ===== HEADER ===== */
header {
    height: 100px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    position: fixed;
    z-index: 10;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.section {
    display: flex;
    height: 100%;
    align-items: center;
}

#leftSection {
    padding-left: 30px;
}

#logo {
    width: 200px;
    height: 100px;
    object-fit: contain;
    outline: none;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

#logo:focus-visible {
    outline: none !important;
    border: none !important;
}

#logo:focus {
    outline: none !important;
    border: none !important;
}

#centerSection {
    flex-grow: 1;
    justify-content: center;
}

/* ===== NAVEGAÇÃO DESKTOP ===== */
.ul-nav {
    display: flex;
    list-style: none;
    gap: 20px;
    margin: 0;
    padding: 0;
    transition: all 0.3s ease;
}

.li-nav {
    position: relative;
    width: 150px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.li-nav:hover {
    border-bottom: 2px solid black;
}

.li-nav.active {
    border-bottom: 2px solid black;
}

.li-nav a {
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    color: black;
    font-family: var(--paragrafo);
    font-size: 17px;
    font-weight: 400;
    height: 100%;
    padding: 10px 0;
}

/* ===== SELECT DE IDIOMA ===== */
select {
    background-color: #fff;
    color: var(--azul);
    font-size: 1rem;
    font-family: var(--avenir);
    font-weight: bold;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    appearance: none;
}

select:hover {
    background-color: #f5f5f5;
}

/* ===== MENU MOBILE ===== */
#mobile-menu-button {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    padding: 0 20px;
    z-index: 100;
    color: var(--azul);
}

/* ===== RIGHT SECTION (IDIOMA DESKTOP) ===== */
#rightSection {
    display: flex !important;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
    padding-right: 30px;
}
/* ===== BARRA DE PESQUISA ===== */
form {
    display: flex;
    align-items: center;
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 30px 0;
}

.searchBar {
    height: 40px;
    width: 100%;
    border-radius: 20px;
    border: none;
    padding: 0 40px 0 20px;
    font-size: 18px;
    font-family: var(--avenir);
    background-color: #f0f0f0;
    transition: all 0.3s ease;
}

.searchBar::placeholder {
    color: #666;
    font-family: var(--avenir);
}

.searchBar:focus {
    outline: none;
    background-color: #e0e0e0;
    box-shadow: 0 0 0 2px rgba(0,5,135,0.2);
}

.searchButton {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
    transition: color 0.3s ease;
}

.searchButton:hover {
    color: var(--azul);
}

.searchButton i {
    font-size: 18px;
}

main{
    margin-top: 100px;
}

#explore{
    font-size: 49px;
    font-family: var(--cabeçalho);
    color: var(--azul);
    margin: 60px 0;
    display: flex;
    justify-content: center;
}

#olimpiadas {
    display: flex;
    flex-direction: column; /* cima e baixo um embaixo do outro */
    align-items: center;
    gap: 50px;
    margin-top: 40px;
    margin-bottom: 100px;
}

.cima, .baixo {
    display: flex;
    flex-direction: row; /* elementos dentro lado a lado */
    gap: 100px;
    flex-wrap: wrap; /* para não quebrar feio se a tela for pequena */
    justify-content: center;
   
}

#categoria{
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.categoria{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: solid 5px white;
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.5);
}

.categoria-text{
    font-family: var(--avenir);
    font-size: 15px;
    font-weight: 700;
    padding: 5px 30px;
}

.exatas{
   background-image: url("../imagens/exatas.jpg");
   background-size: cover;
   background-repeat: no-repeat;
   background-position: center;
}

.cienciasNatureza{
    background-image: url("../imagens/ciencias.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.tecnologia{
    background-image: url("../imagens/tecnologia.jpeg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.linguagens{
   background-image: url("../imagens/linguagens.jpg");
   background-size: cover;
   background-repeat: no-repeat;
   background-position: center;
}

.humanas{
   background-image: url("../imagens/humanas.jpg");
   background-size: cover;
   background-repeat: no-repeat;
   background-position: center;
}

.interdiciplinaresOutros{
   background-image: url("../imagens/interdiciplinares.jpg");
   background-size: cover;
   background-repeat: no-repeat;
   background-position: center;
}

.mt-5{
    margin: 100px 20%;
}

.mt-5 h1{
    font-size: 35px;
    font-family: var(--avenir);
    text-align: center;
    color: var(--laranja);
}

.accordion-item, .accordion-button{
    font-family: var(--avenir) !important;
    font-size: 15px;
}

footer{
    display: flex;
}

.footer{
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 200px !important;
    justify-content: center;
    text-align: center;
    align-items: center;
}

#logo-footer{
    width: 200px;
    margin-bottom: 20px;
}

/* .footer label{
    font-size: 35px;
    font-family: var(--cabeçalho);
} */

#icons-contato{
    display: flex;
    flex-direction: row;
    justify-content: center;
    width: auto;
}

#insta, #email{
    display: flex;
    font-size: 15px;
    color: #666;
    margin: 5px;
    justify-content: center;
    align-items: center;
}

#insta label, #email label{
    margin-left: 5px;
}

hr{
    margin: 0px 50px 0px;
}

/* ===== RESPONSIVIDADE ===== */
@media (min-width: 900px) and (max-width: 1200px) {
/* Header */
#mobile-menu-button {
    display: block;
}

/* Esconde o select desktop em mobile */
#rightSection {
    display: none !important;
}

/* Menu Mobile */
.ul-nav {
    position: fixed;
    top: 100px;
    left: -100%;
    width: 70%;
    height: calc(100vh - 100px);
    background: white;
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.ul-nav.active {
    left: 0;
}

.li-nav {
    width: 100%;
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
    text-align: left;
}

.li-nav:hover {
    border-bottom: 1px solid #eee;
    background: #f5f5f5;
}

.li-nav a {
    justify-content: flex-start;
}

/* Select mobile */
#mobile-language-selector {
    padding: 15px 20px;
}

#mobile-language-selector select {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
}

/* Conteúdo */
#left-right h1 {
    font-size: 30px;
    justify-content: center;
    align-items: center;
    text-align: center;
}

#left h2, #right h2 {
    font-size: 1.5rem;
}

.left-right{
    flex-direction: row;
    padding-left: 10%;
    padding-right: 10%;
}

.cima, .baixo {
    flex-direction: row;
    align-items: center;
    gap: 40px;
}

#porque ul{
    padding-top: 20px;
    padding-left: 30px;
}

#icons-contato{
        flex-direction: column;
    }
}

@media (max-width: 899px) {
    /* Header */
    #mobile-menu-button {
        display: block;
    }
    
    /* Esconde o select desktop em mobile */
    #rightSection {
        display: none !important;
    }
    
    /* Menu Mobile */
    .ul-nav {
        position: fixed;
        top: 100px;
        left: -100%;
        width: 70%;
        height: calc(100vh - 100px);
        background: white;
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    }
    
    .ul-nav.active {
        left: 0;
    }
    
    .li-nav {
        width: 100%;
        padding: 15px 20px;
        border-bottom: 1px solid #eee;
        text-align: left;
    }
    
    .li-nav:hover {
        border-bottom: 1px solid #eee;
        background: #f5f5f5;
    }
    
    .li-nav a {
        justify-content: flex-start;
    }
    
    /* Select mobile */
    #mobile-language-selector {
        padding: 15px 20px;
    }
    
    #mobile-language-selector select {
        width: 100%;
        padding: 10px;
        margin-top: 10px;
    }

    /* Conteúdo */

    #explore{
        font-size: 37px;
        margin: 50px 30px;
        display: flex;
        justify-content: center;
        text-align: center;
    }
    
    .cima, .baixo {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    .left-right {
        width: 100%;
        flex-direction: column;
        padding: 0; /* Removemos o padding lateral aqui */
        box-sizing: border-box;
    }

    #left, #right {
        width: 100%;
        padding: 0 10%; /* Movemos o padding para os elementos internos */
        box-sizing: border-box;
    }

    .mt-5{
        margin: auto 19px;
    }

    hr{
        margin: auto 19px;
    }

    .mb-4{
        font-size: 27px !important;
    }

    .accordion-item, .accordion-button{
        font-size: 15px;
    }

    .footer{
        margin: 50px auto;
    }

    #icons-contato{
        flex-direction: column;
    }

}

@media (min-width: 1920px) {
     /* HEADER */
    header{
        min-height: 130px;
    }
    
    
    #logo {
        width: auto;
        height: 110px;
    }

    #centerSection a{
        font-size: 21px;
        gap: 30px;
    }

    .searchBar::placeholder{
        font-size: 25px;
    }

    #rightSection select{
        font-size: 21px;
    }

    #rightSection option{
        font-size: 15px;
    }

    .searchBar{
        font-size: 23px;
    }

    .searchButton i{
        font-size: 23px;
    }

    /* MAIN */

    #main{
        margin-top: 130px;
    }

    .accordion-item, .accordion-button{
        font-size: 19px;
    }


    .categoria{
        width: 128px;
        height: 128px;
    }

    .categoria-text{
        font-size: 19px;
    }

    /* FOOTER */
    #logo-footer{
        width: 256px;
    }

    #insta, #email{
        font-size: 20px;
    }

}