@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

:root {
    --azul-um: #081426;
    --azul-dois: #122544;
    --azul-tres: #1E3A66;
    --azul-quatro: #2A3D5F;
    --amarelo-um: #F5B800;
    --amarelo-dois: #D99F00;
    --preto: #000000;
    --branco: #FFFFFF;
    --vermelho: #ff0000;
    --pesquisa: #D8D8D8;
    --footer: #F9F9F9;
    --backImg: rgba(0, 0, 0, 0.45);
    --raio-card: 1.2rem;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
    text-decoration: none;
    list-style: none;
    color: var(--branco);
}

input {
        appearance: none;
}

.logo{
    height: 200px;
    width: 150px;
}

.pack{
    display: grid;
    justify-items: center;
}

.escolhas{
    width: 50%;
    height: 250px;
    display: grid;
    justify-content: center;
    background-color: var(--pesquisa);
    border: 20px solid var(--azul-quatro);
    border-radius: 30px;
    padding-bottom: 50px;
}

optgroup{
    color: var(--amarelo-dois);
}

.basico, .intermediario, .avancado{
    border-radius: 7px;
    padding: 8px;
    font-weight: 900;
}

.basico{
    background-color: var(--amarelo-um);
}

.intermediario{ 
    background-color: var(--amarelo-dois);
}

.avancado{
    background-color: var(--vermelho);
}

.pix, .cartao{
    border-radius: 15px;
    padding: 8px;
    font-weight: 900;
    background-color: var(--backImg);
}

.confPag{
    width: 15%;
    padding: 0.85rem;
    background-color: var(--preto);
    color: var(--branco);
    border: none;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: background-color 0.2s;
}

.pagamento{
    width: 100%;
    display: grid;
    justify-content: center;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

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

b {
    color: var(--amarelo-um);
}

/* ── Cabeçalho / Navegação ── */

.cabecalho {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--azul-um);
    padding: 0.75rem 5vw;
}

.navegacao {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--branco);
    border-radius: 3rem;
    padding: 0.5rem 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--azul-dois);
}

.logoNav {
    height: 3.5rem;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    color: var(--azul-dois);
    font-weight: 700;
    font-size: 1rem;
}

.nav-links a.aovivo {
    color: var(--vermelho);
}

.nav-pesquisa {
    display: flex;
    align-items: center;
    background-color: var(--azul-tres);
    padding: 0.4rem 0.75rem;
    border-radius: 2rem;
    gap: 0.4rem;
}

.lupa {
    height: 22px;
}

.pesquisa {
    background: transparent;
    border: none;
    outline: none;
    color: var(--branco);
    font-size: 0.9rem;
    width: 14rem;
}

.pesquisa::placeholder {
    color: var(--pesquisa);
}

/* ── Avatar na navbar ── */

.nav-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--amarelo-um);
    border: none;
    cursor: pointer;
    flex-shrink: 0;
    transition: box-shadow 0.2s;
}

.nav-avatar:hover {
    box-shadow: 0 0 0 3px var(--amarelo-dois);
}

.avatar-iniciais {
    font-size: 0.85rem;
    font-weight: 900;
    color: var(--preto);
    letter-spacing: 0.02em;
    line-height: 1;
}

/* ── Link ativo na navegação ── */

.nav-ativo {
    color: var(--amarelo-um) !important;
    border-bottom: 2px solid var(--amarelo-um);
    padding-bottom: 2px;
}

.nav-ativo.aovivo {
    color: var(--vermelho) !important;
    border-bottom-color: var(--vermelho);
}

/* ── Hero (index) ── */

.hero {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 4rem 5vw;
    min-height: 92vh;
    background-image: url('../img/estudo_homem.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    max-width: 600px;
}

.hero-subtitulo {
    margin-top: 1rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.6;
    max-width: 520px;
}

/* ── Seções genéricas ── */

main > section {
    padding: 3rem 5vw;
}

.secao-cabecalho {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.secao-cabecalho h2 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

/* ── Cards de aulas (grid) ── */

.grade-cards {
    display: flex;
    gap: 2rem;
    justify-content: space-around;
}

.card-aula {
    position: relative;
    border-radius: var(--raio-card);
    overflow: hidden;
    flex: 1 1 280px;
    max-width: 340px;
    cursor: pointer;
    transition: transform 0.2s;
}

.card-aula:hover {
    transform: translateY(-4px);
    box-shadow: 0 3px 8px 8px hsla(0, 0%, 100%, 0.541);
    border: 2px solid var(--branco);
}

.badge-novo {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 2;
    background-color: var(--amarelo-um);
    color: var(--preto);
    font-size: 0.7rem;
    font-weight: 900;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
}

.card-figura {
    position: relative;
    display: block;
    height: 280px;
}

.card-figura img {
    width: 100%;
    object-fit: cover;
    display: block;
}

.card-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--backImg);
    padding: 1rem 1.25rem;
    backdrop-filter: blur(2px);
}

.card-info h3 {
    font-size: 1.2rem;
    font-weight: 800;
}

.card-info p {
    font-size: 0.75rem;
    opacity: 0.85;
    margin: 0.2rem 0 0.5rem;
}

/* ── Avaliação / Estrelas ── */

.avaliacao {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.estrelas-wrapper {
    position: relative;
    display: inline-block;
    font-size: 1rem;
    line-height: 1;
}

.estrelas-fundo {
    color: #555;
}

.estrelas-preenchidas {
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    white-space: nowrap;
    color: var(--amarelo-um);
}

.nota {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--amarelo-um);
}

/* ── Tutoria ao Vivo ── */

.badge-hoje {
    background-color: var(--amarelo-um);
    color: var(--preto);
    font-size: 0.7rem;
    font-weight: 900;
    padding: 0.25rem 0.8rem;
    border-radius: 2rem;
}

.card-tutoria {
    display: flex;
    align-items: stretch;
    background: linear-gradient(135deg, var(--azul-tres) 0%, var(--azul-quatro) 100%);
    border-radius: var(--raio-card);
    overflow: hidden;
    min-height: 260px;
}

.tutoria-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2.5rem 3rem;
    gap: 0.5rem;
}

.tutoria-subtitulo {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    opacity: 0.85;
}

.tutoria-materia {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    line-height: 1;
}

.tutoria-horario {
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.9;
}

.btn-entrar {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0.65rem 2rem;
    background-color: var(--preto);
    color: var(--branco);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    border-radius: 0.4rem;
    align-self: flex-start;
    transition: background-color 0.2s;
}

.btn-entrar:hover {
    background-color: var(--azul-dois);
}

.tutoria-figura {
    flex: 0 0 52%;
    position: relative;
    overflow: hidden;
}

.tutoria-figura::after {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 35%;
    background: linear-gradient(to right, var(--azul-tres), transparent);
    pointer-events: none;
}

.tutoria-figura img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

/* ── Aprenda Mais ── */

.paginacao-carrossel {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.pag-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background-color: var(--azul-quatro);
    cursor: pointer;
    transition: background-color 0.2s;
}

.pag-btn.pag-ativo {
    background-color: var(--amarelo-um);
}

.grade-cards-pequenos {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
}

.grade-cards-pequenos::-webkit-scrollbar {
    height: 4px;
}

.grade-cards-pequenos::-webkit-scrollbar-track {
    background: var(--azul-dois);
    border-radius: 2px;
}

.grade-cards-pequenos::-webkit-scrollbar-thumb {
    background: var(--azul-tres);
    border-radius: 2px;
}

.card-pequeno {
    scroll-snap-align: start;
    flex: 0 0 160px;
    border-radius: var(--raio-card);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s;
}

.card-pequeno:hover {
    transform: translateY(-3px);
    box-shadow: 0 3px 8px 8px hsla(0, 0%, 100%, 0.541);
    border: 2px solid var(--branco);
}

.card-figura-pequena {
    position: relative;
    height: 160px;
    display: block;
}

.card-figura-pequena img {
    width: 100%;
    object-fit: cover;
    display: block;
}

.card-info-pequeno {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--backImg);
    padding: 0.6rem 0.75rem;
}

.card-info-pequeno h3 {
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

/* ── Formulários / utilitários ── */

.form {
    background-color: var(--azul-um);
    width: 30vw;
    height: 50vh;
    align-items: center;
    display: inline-grid;
    justify-content: center;
    border-radius: 20px;
}

.botao {
    border: 1px solid var(--preto);
    background-color: var(--azul-tres);
    border-radius: 12px;
    padding: 10px;
    width: 100%;
}

.botao::placeholder {
    color: var(--branco);
    font-weight: 800;
}

.google {
    color: var(--preto);
    background-color: var(--branco);
    border: 1px solid var(--preto);
    font-weight: 800;
    border-radius: 12px;
    width: 80%;
    justify-self: center;
}

.google a {
    color: var(--preto);
}

.botaoFim {
    background-color: var(--preto);
    justify-self: center;
    width: 80%;
}

/* ── Rodapé compartilhado ── */

.rodape {
    background-color: var(--footer);
    padding: 2.5rem 5vw 1.5rem;
    border-top: 1px solid #e0e0e0;
}

.rodape-conteudo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.rodape-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 0.25rem;
}

.rodape-logo img {
    height: 60px;
    width: auto;
}

.rodape-logo figcaption {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--azul-dois);
}

.rodape-logo figcaption b {
    color: var(--amarelo-um);
}

.rodape-slogan {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--azul-um);
    letter-spacing: 0.05em;
    text-align: center;
}

.rodape-destaque {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--azul-um);
    letter-spacing: 0.05em;
}

.texto-aovivo {
    color: var(--vermelho);
}