@font-face { font-family: "Hanken"; src: url("fontes/HankenGrotesk.ttf") format("truetype"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Anton"; src: url("fontes/Anton.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "News"; src: url("fontes/Newsreader-Italic.ttf") format("truetype"); font-style: italic; font-weight: 200 800; font-display: swap; }

:root {
  --fundo: #F7F3E9;
  --papel: #FFFDF8;
  --tinta: #151517;
  --apoio: #6C685F;
  --linha: #DED8C9;
  --acento: #D81220;
  --sobre-acento: #FFFFFF;
  --preto: #101012;
  --raio: 18px;
  --sombra: 0 14px 34px rgba(40, 30, 10, .08);
  /* Molas com os parâmetros da Apple. Sem suporte a linear(), vale a curva abaixo. */
  --mola-suave: cubic-bezier(.22, 1, .36, 1); /* amortecimento 1, resposta .35 s */
  --mola-viva: cubic-bezier(.34, 1.2, .64, 1); /* amortecimento .8, resposta .38 s */
  --tempo-suave: 472ms;
  --tempo-rapido: 297ms;
  --tempo-vivo: 486ms;
}

@supports (transition-timing-function: linear(0, 1)) {
  :root {
    --mola-suave: linear(0, 0.038, 0.124, 0.23, 0.341, 0.447, 0.542, 0.625, 0.696, 0.756, 0.805, 0.845, 0.877, 0.903, 0.924, 0.941, 0.954, 0.964, 0.972, 0.979, 0.983, 0.987, 0.99, 0.992, 0.994, 0.996, 0.997, 0.997, 1);
    --mola-viva: linear(0, 0.035, 0.121, 0.233, 0.354, 0.472, 0.582, 0.679, 0.761, 0.829, 0.882, 0.924, 0.956, 0.978, 0.994, 1.005, 1.011, 1.014, 1.015, 1.015, 1.014, 1.012, 1.01, 1.008, 1.007, 1.005, 1.004, 1.003, 1);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
body { margin: 0; background: var(--fundo); color: var(--tinta); font: 400 1.125rem/1.55 "Hanken", system-ui, sans-serif; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
a, button, summary, label { touch-action: manipulation; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--acento); outline-offset: 2px; }
h1, h2, h3, p { margin: 0; }
main:focus { outline: none; }

.topo { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px clamp(16px, 4vw, 40px); background: rgba(247, 243, 233, .72); -webkit-backdrop-filter: blur(20px) saturate(180%); backdrop-filter: blur(20px) saturate(180%); border-bottom: 1px solid rgba(222, 216, 201, .7); }
.marca { text-decoration: none; font-size: 1.25rem; letter-spacing: -.03em; white-space: nowrap; }
.marca b { font-weight: 800; }
.marca i { font-family: "News", serif; color: var(--acento); }
.topo-acoes { display: flex; align-items: center; gap: 8px; min-width: 0; }
.botao-leve { display: inline-flex; align-items: center; min-height: 44px; padding: 7px 16px; background: transparent; border: 1px solid var(--linha); border-radius: 999px; font-size: 0.9375rem; font-weight: 500; transition: border-color var(--tempo-rapido) var(--mola-suave), transform var(--tempo-rapido) var(--mola-suave); text-decoration: none; white-space: nowrap; }

.pagina { width: 100%; max-width: 980px; margin: 0 auto; padding: clamp(28px, 6vw, 72px) clamp(16px, 4vw, 40px) 96px; }
.carregando { color: var(--apoio); }

.heroi { margin-bottom: 48px; text-align: center; }
.boas-vindas { font-size: clamp(1.5rem, 4vw, 2.25rem); letter-spacing: -.03em; font-weight: 500; }
.etiqueta { display: inline-block; padding: 3px 10px; margin-bottom: 18px; background: var(--preto); color: #fff; border-radius: 7px; font-size: 0.8125rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.heroi h1 { font-size: clamp(3.25rem, 11vw, 7rem); line-height: .98; font-weight: 500; letter-spacing: -.045em; }
.heroi h1 b { font-weight: 800; color: var(--acento); }
.heroi h1 i { font-family: "News", serif; font-weight: 400; letter-spacing: -.02em; }
.heroi > p:not(.boas-vindas) { max-width: 640px; margin: 18px auto 0; color: var(--apoio); font-size: clamp(1.125rem, 2.4vw, 1.3125rem); }

.progresso { margin: 32px auto 0; max-width: 620px; }
.progresso-texto { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 0.9375rem; color: var(--apoio); }
.progresso-texto b { color: var(--tinta); }
.barra { height: 6px; background: var(--linha); border-radius: 99px; overflow: hidden; }
.barra span { display: block; height: 100%; background: var(--acento); border-radius: 99px; transform-origin: left; transition: transform var(--tempo-vivo) var(--mola-suave); }

.lista-aulas { display: grid; gap: 0; border-top: 1px solid var(--tinta); }
.linha-aula { display: grid; grid-template-columns: 260px 1fr; align-items: center; gap: 28px; padding: 22px 4px; border-bottom: 1px solid var(--linha); text-decoration: none; }
.capa-aula { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 12px; transition: transform var(--tempo-suave) var(--mola-viva), box-shadow var(--tempo-suave) var(--mola-suave); }
.linha-texto .sup { display: block; margin-bottom: 6px; color: var(--acento); font-size: 0.8125rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.linha-texto small { display: block; margin-top: 8px; }
.numero { font: 400 clamp(48px, 8vw, 68px)/1 "Anton", sans-serif; }
.linha-aula.feita .numero { color: var(--acento); }
.linha-aula h2, .linha-aula h3 { font-size: clamp(1.375rem, 3vw, 1.75rem); line-height: 1.15; letter-spacing: -.03em; font-weight: 700; }
.linha-aula p { margin-top: 4px; color: var(--apoio); font-size: 1rem; }
.linha-aula small { color: var(--apoio); font-size: 0.875rem; white-space: nowrap; }
.titulo-secao { margin: 56px 0 18px; font-size: clamp(1.875rem, 5vw, 2.75rem); line-height: 1.05; letter-spacing: -.04em; font-weight: 500; }
.titulo-secao i { font-family: "News", serif; font-weight: 400; }

.contato { margin-top: 56px; padding: 24px; background: var(--preto); color: #fff; border-radius: var(--raio); }
.contato b { display: block; margin-bottom: 4px; font-size: 1.25rem; }
.contato p { color: #C9C9CF; }

.cabeca-aula { margin-bottom: 26px; }
.cabeca-aula .sup { display: block; margin-bottom: 8px; color: var(--acento); font-weight: 700; font-size: 0.875rem; letter-spacing: .08em; text-transform: uppercase; }
.cabeca-aula h1 { font-size: clamp(2.5rem, 8vw, 4.75rem); line-height: 1; letter-spacing: -.045em; font-weight: 800; }
.cabeca-aula p { margin-top: 12px; color: var(--apoio); font-size: 1.25rem; }

.video { position: relative; aspect-ratio: 16/9; margin-bottom: 18px; background: var(--preto); border-radius: var(--raio); overflow: hidden; box-shadow: var(--sombra); }
.video video { display: block; width: 100%; height: 100%; }
.video-pendente { display: grid; place-items: center; height: 100%; padding: 24px; color: #C9C9CF; text-align: center; font-size: 1rem; }

.seletores { position: sticky; top: 70px; z-index: 3; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 12px; margin-bottom: 40px; background: var(--papel); border: 1px solid var(--linha); border-radius: var(--raio); box-shadow: var(--sombra); }
.seletor legend { padding: 0; margin-bottom: 6px; color: var(--apoio); font-size: 0.8125rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.seletor { min-width: 0; margin: 0; padding: 0; border: 0; }
.opcoes { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; background: var(--fundo); border-radius: 12px; }
/* A pílula desliza entre as opções e pode mudar de direção no meio do caminho. */
.opcoes::before { content: ""; position: absolute; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 6px); background: var(--preto); border-radius: 9px; transform: translateX(calc(var(--ativa, 0) * (100% + 4px))); transition: transform var(--tempo-suave) var(--mola-viva); }
.opcoes button { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: 0; min-height: 44px; padding: 6px; background: transparent; border: 0; border-radius: 9px; font-size: 0.9375rem; font-weight: 600; color: var(--apoio); transition: color var(--tempo-rapido) var(--mola-suave), transform var(--tempo-rapido) var(--mola-suave); }
.icone { flex: none; width: 20px; height: 20px; }
.opcoes button[aria-pressed="true"] { color: #fff; }

.bloco { margin-top: 52px; }
.bloco > h2 { margin-bottom: 18px; font-size: clamp(1.75rem, 4.5vw, 2.5rem); line-height: 1.08; letter-spacing: -.04em; font-weight: 500; }
.bloco > h2 b { font-weight: 800; }
.grade { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 14px; }
.cartao { padding: 20px; background: var(--papel); border: 1px solid var(--linha); border-radius: var(--raio); }
.cartao h3 { margin-bottom: 4px; font-size: 1.1875rem; letter-spacing: -.02em; }
.cartao p { color: var(--apoio); font-size: 1rem; }
.cartao .uso { margin-top: 10px; color: var(--tinta); }

.nota { margin-top: 14px; padding: 14px 16px; background: #FFF0DF; border-left: 3px solid var(--acento); border-radius: 0 10px 10px 0; font-size: 1rem; }

.baixar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 24px; margin-bottom: 40px; background: var(--acento); color: var(--sobre-acento); border-radius: var(--raio); }
.baixar b { display: block; font-size: 1.375rem; letter-spacing: -.02em; }
.baixar small { font-size: 0.9375rem; opacity: .9; }
.botao { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 20px; background: var(--preto); color: #fff; border: 0; border-radius: 11px; font-weight: 700; font-size: 1rem; text-decoration: none; transition: transform var(--tempo-rapido) var(--mola-suave), background-color var(--tempo-rapido) var(--mola-suave), color var(--tempo-rapido) var(--mola-suave), opacity var(--tempo-rapido) var(--mola-suave); }
.botao:disabled { opacity: .55; cursor: default; }
.baixar .botao { background: #fff; color: var(--tinta); }

.passos { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; counter-reset: passo; }
.passo { position: relative; padding: 22px 22px 22px 86px; background: var(--papel); border: 1px solid var(--linha); border-radius: var(--raio); counter-increment: passo; }
.passo::before { content: counter(passo); position: absolute; left: 24px; top: 16px; font: 400 2.75rem/1 "Anton", sans-serif; color: var(--acento); }
.passo h3 { margin-bottom: 4px; font-size: 1.3125rem; letter-spacing: -.025em; }
.passo p { color: var(--apoio); }

.copiar { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; margin-top: 12px; padding: 10px 10px 10px 14px; background: var(--fundo); border: 1px solid var(--linha); border-radius: 12px; }
.copiar span { font-family: "News", serif; font-style: italic; font-size: 1.1875rem; line-height: 1.3; overflow-wrap: anywhere; }
.copiar button { min-height: 44px; padding: 6px 16px; background: var(--preto); color: #fff; border: 0; border-radius: 9px; font-size: 0.9375rem; font-weight: 700; transition: transform var(--tempo-rapido) var(--mola-suave); }
.fichas { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.ficha { min-height: 44px; padding: 7px 14px; background: var(--fundo); border: 1px solid var(--linha); border-radius: 999px; font-size: 0.9375rem; text-align: left; transition: transform var(--tempo-rapido) var(--mola-suave), border-color var(--tempo-rapido) var(--mola-suave), background-color var(--tempo-rapido) var(--mola-suave), color var(--tempo-rapido) var(--mola-suave); }

.duvida { background: var(--papel); border: 1px solid var(--linha); border-radius: 13px; }
.duvida + .duvida { margin-top: 8px; }
.duvida summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 48px; padding: 12px 16px; cursor: pointer; font-weight: 600; list-style: none; }
.duvida summary::-webkit-details-marker { display: none; }
.duvida summary::after { content: ""; flex: none; width: 9px; height: 9px; margin-right: 4px; border-right: 2px solid var(--apoio); border-bottom: 2px solid var(--apoio); transform: rotate(45deg) translate(-2px, -2px); transition: transform var(--tempo-suave) var(--mola-viva); }
.duvida[open] summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.duvida p { padding: 0 16px 14px; color: var(--apoio); }

.concluir { display: grid; gap: 12px; justify-items: start; padding: 26px; margin-top: 52px; background: var(--preto); color: #fff; border-radius: var(--raio); }
.concluir h2 { font-size: 1.625rem; letter-spacing: -.03em; }
.concluir p { color: #C9C9CF; }
.concluir .botao { background: var(--acento); }
.concluir .botao.feito { background: #fff; color: var(--tinta); }

.navegar { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.navegar a { display: block; padding: 16px; background: var(--papel); border: 1px solid var(--linha); border-radius: 13px; text-decoration: none; transition: transform var(--tempo-rapido) var(--mola-suave), border-color var(--tempo-rapido) var(--mola-suave); }
.navegar small { display: block; color: var(--apoio); font-size: 0.875rem; }
.navegar b { letter-spacing: -.02em; }
.navegar a:last-child { text-align: right; }

.gerador { padding: 20px; background: var(--papel); border: 1px solid var(--linha); border-radius: var(--raio); }
.gerador label, .grupo-rotulo { display: block; margin: 16px 0 6px; font-size: 0.875rem; font-weight: 700; }
.gerador label:first-child { margin-top: 0; }
.gerador input, .gerador select { width: 100%; min-height: 46px; padding: 8px 12px; background: var(--fundo); border: 1px solid var(--linha); border-radius: 10px; }
.marcar { display: flex; align-items: center; gap: 10px; min-height: 44px; margin: 0 !important; font-weight: 500 !important; }
.marcar input { width: 20px; min-height: 20px; }
.saida { margin-top: 18px; }

.login { width: 100%; max-width: 440px; margin: 0 auto; }
.login h1 { font-size: clamp(2.75rem, 10vw, 4.125rem); line-height: 1; letter-spacing: -.045em; font-weight: 500; margin-bottom: 12px; }
.login h1 b { font-weight: 800; color: var(--acento); }
.login form { display: grid; gap: 12px; margin-top: 24px; }
.login label { font-size: 0.875rem; font-weight: 700; }
.login input { width: 100%; min-height: 48px; padding: 10px 12px; margin-top: 4px; background: var(--papel); border: 1px solid var(--linha); border-radius: 10px; }
.login .botao { width: 100%; }
.login-link { background: none; border: 0; padding: 8px 0; color: var(--apoio); font-size: 0.9375rem; text-decoration: underline; }
.erro { padding: 12px 14px; background: #FFE6E5; border-radius: 10px; color: #8A0D16; font-size: 0.9375rem; }
.sucesso { padding: 12px 14px; background: #E6F4E8; border-radius: 10px; color: #17502A; font-size: 0.9375rem; }
.faixa-previa { padding: 8px 16px; background: var(--preto); color: #fff; font-size: 0.8125rem; text-align: center; }

.copiado { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translate(-50%, 28px) scale(.96); padding: 10px 16px; background: var(--preto); color: #fff; border-radius: 99px; font-size: 0.9375rem; opacity: 0; pointer-events: none; transition: transform var(--tempo-vivo) var(--mola-viva), opacity var(--tempo-rapido) var(--mola-suave); z-index: 10; }
.copiado.ver { opacity: 1; transform: translate(-50%, 0) scale(1); }

@media (max-width: 640px) {
  body { font-size: 1.0625rem; }
  .linha-aula { grid-template-columns: 1fr; gap: 14px; padding: 18px 2px; }
  .seletores { position: static; grid-template-columns: 1fr; gap: 8px; padding: 8px; }
  .seletor legend { display: none; }
  .passo { padding: 58px 16px 18px; }
  .passo::before { left: 16px; top: 12px; }
  .copiar { grid-template-columns: 1fr; }
  .copiar button { width: 100%; }
  .navegar { grid-template-columns: 1fr; }
  .navegar a:last-child { text-align: left; }
  .baixar .botao { width: 100%; }
}


.fichas .ficha[aria-pressed="true"] { background: var(--tinta); border-color: var(--tinta); color: var(--fundo); }
.grade-estilos { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-top: 16px; }
.estilo { display: flex; flex-direction: column; gap: 8px; padding: 18px; background: var(--fundo); border: 1px solid var(--linha); border-radius: var(--raio); }
.estilo .video { aspect-ratio: 9/16; margin-bottom: 4px; }
.estilo h3 { margin: 0; font-size: 1.1875rem; line-height: 1.2; }
.estilo p { margin: 0; font-size: 0.9375rem; }
.paleta { display: flex; gap: 5px; margin-top: auto; padding-top: 6px; }
.paleta span { width: 24px; height: 24px; border: 1px solid var(--linha); border-radius: 50%; }
.botao-estilo { min-height: 44px; padding: 8px 14px; background: var(--tinta); border: 0; border-radius: 999px; color: var(--fundo); font-weight: 700; cursor: pointer; transition: transform var(--tempo-rapido) var(--mola-suave); }
.titulo-secao { text-align: center; }
.titulo-secao i { color: var(--acento); }
.boas-vindas-video { max-width: 760px; margin: 0 auto 48px; }
.subpassos { margin: 12px 0 0; padding-left: 22px; display: grid; gap: 6px; }
.rotulo-lista { margin: 16px 0 0; font-size: 0.9375rem; font-weight: 800; }
.confere { margin-top: 12px; padding: 10px 14px; background: var(--papel); border: 1px solid var(--linha); border-radius: 10px; font-size: 1rem; }
.confere::before { content: "✓ "; color: var(--acento); font-weight: 800; }
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.checklist li { display: flex; align-items: flex-start; gap: 12px; }
.checklist input { flex: none; width: 22px; height: 22px; margin: 3px 0 0; accent-color: var(--acento); }
.checklist label { min-width: 0; cursor: pointer; }

/* Toque: a resposta vem no instante da pressão. */
.botao:active:not(:disabled), .botao-leve:active, .copiar button:active, .ficha:active, .botao-estilo:active, .opcoes button:active { transform: scale(.97); transition-duration: 90ms; }
.navegar a:active { transform: scale(.985); transition-duration: 90ms; }
a.linha-aula:active .capa-aula { transform: scale(.98); transition-duration: 90ms; }

@media (hover: hover) {
  .botao-leve:hover, .ficha:hover, .navegar a:hover { border-color: var(--tinta); }
  .botao:hover:not(:disabled) { background: #2B2B2F; }
  .baixar .botao:hover:not(:disabled), .concluir .botao.feito:hover { background: #fff; }
  .concluir .botao:hover:not(:disabled):not(.feito) { background: #BE0F1B; }
  a.linha-aula:hover .capa-aula { transform: scale(1.025); box-shadow: 0 12px 28px rgba(40, 30, 10, .16); }
}

/* Ao trocar de tela, o conteúdo chega em sequência curta. */
@keyframes chegar { from { opacity: 0; transform: translateY(14px); } }
@keyframes encher { from { transform: scaleX(0); } }
.entrando > * { animation: chegar var(--tempo-suave) var(--mola-suave) backwards; }
.entrando > :nth-child(2) { animation-delay: 40ms; }
.entrando > :nth-child(3) { animation-delay: 80ms; }
.entrando > :nth-child(4) { animation-delay: 120ms; }
.entrando > :nth-child(n + 5) { animation-delay: 160ms; }
.entrando .barra span { animation: encher 700ms var(--mola-suave) 120ms backwards; }

@supports selector(::details-content) {
  .duvida { interpolate-size: allow-keywords; }
  .duvida::details-content { height: 0; overflow: clip; opacity: 0; transition: height var(--tempo-suave) var(--mola-suave), opacity var(--tempo-rapido) var(--mola-suave), content-visibility var(--tempo-suave) allow-discrete; }
  .duvida[open]::details-content { height: auto; opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; scroll-behavior: auto !important; transition-property: opacity, color, background-color, border-color !important; transition-duration: 120ms !important; transition-timing-function: ease !important; }
  .botao:active, .botao-leve:active, .copiar button:active, .ficha:active, .botao-estilo:active, .opcoes button:active, .navegar a:active, a.linha-aula .capa-aula { transform: none !important; }
  .copiado { transform: translate(-50%, 0); }
}

@media (prefers-reduced-transparency: reduce) {
  .topo { background: var(--fundo); -webkit-backdrop-filter: none; backdrop-filter: none; }
}

@media (prefers-contrast: more) {
  :root { --apoio: #4A463F; --linha: #8A8578; }
  .topo { background: var(--fundo); -webkit-backdrop-filter: none; backdrop-filter: none; border-bottom-color: var(--tinta); }
}

.topo-esquerda { display: flex; align-items: center; gap: 14px; min-width: 0; }
.voltar { gap: 6px; font-weight: 600; }
.voltar span { font-size: 1.25rem; line-height: 1; }
.voltar[hidden] { display: none; }
.video-play { position: absolute; left: 50%; top: 50%; width: clamp(68px, 14vw, 96px); aspect-ratio: 1; margin: 0; padding: 0; background: rgba(216, 18, 32, .94); border: 0; border-radius: 50%; box-shadow: 0 14px 34px rgba(0, 0, 0, .35); transform: translate(-50%, -50%); transition: transform var(--tempo-suave) var(--mola-viva); }
.video-play span { position: absolute; left: 54%; top: 50%; width: 0; height: 0; border-left: clamp(20px, 4vw, 28px) solid #fff; border-top: clamp(13px, 2.6vw, 18px) solid transparent; border-bottom: clamp(13px, 2.6vw, 18px) solid transparent; transform: translate(-50%, -50%); }
.video-play:active { transform: translate(-50%, -50%) scale(.94); transition-duration: 90ms; }
@media (hover: hover) { .video-play:hover { transform: translate(-50%, -50%) scale(1.06); } }
.estilo-imagem { display: block; width: 100%; aspect-ratio: 9 / 16; object-fit: contain; background: var(--preto); border-radius: 12px; }
@media (max-width: 640px) {
  .topo-esquerda { gap: 10px; }
  .topo-esquerda .marca { font-size: 1.0625rem; }
}
@media (prefers-reduced-motion: reduce) {
  .video-play:hover, .video-play:active { transform: translate(-50%, -50%) !important; }
}