@font-face {
  font-family: "Jost";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url(fonts/jost-latin-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Jost";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url(fonts/jost-latin-ext-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0, U+2113;
}

:root {
  /* Brand kit Will o Perito */
  --vermelho: #E41E26;
  --vermelho-forte: #F0353C;
  --cinza: #E6E6E6;
  --branco: #FFFFFF;
  --carvao: #2E2E2E;

  --fundo: #1B1B1B;
  --painel: #252525;
  --linha: #3B3B3B;
  --texto: var(--cinza);
  --texto-fraco: #A3A3A3;
  --bloco-vazio: #414141;

  --raio: 6px;
  --largura: 1240px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--fundo);
  color: var(--texto);
  font-family: "Jost", "Century Gothic", "Futura", system-ui, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p { margin: 0; }
h1, h2, h3 { color: var(--branco); font-weight: 500; line-height: 1.2; text-wrap: balance; }
a { color: var(--branco); text-underline-offset: 3px; }
button, input { font: inherit; color: inherit; }
img { display: block; max-width: 100%; }

:focus-visible { outline: 2px solid var(--branco); outline-offset: 2px; }

.carregando { padding: 20vh 16px; text-align: center; color: var(--texto-fraco); }

/* ---------- marca ---------- */
.marca { display: flex; align-items: center; gap: 12px; min-width: 0; }
.marca img { height: 34px; width: auto; flex: none; }
.marca-nome {
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--cinza);
  white-space: nowrap;
}
.marca-nome b { font-weight: 500; color: var(--vermelho); }

/* ---------- botões e campos ---------- */
.botao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 20px;
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  background: transparent;
  color: var(--branco);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .15s, border-color .15s;
}
.botao:hover { border-color: var(--cinza); }
.botao:disabled { opacity: .5; cursor: default; }
.botao-principal { background: var(--vermelho); border-color: var(--vermelho); font-weight: 600; }
.botao-principal:hover:not(:disabled) { background: var(--vermelho-forte); border-color: var(--vermelho-forte); }
.botao-feito { border-color: var(--cinza); }
.botao-perigo { color: #FF8589; border-color: #6B2A2D; }
.botao-perigo:hover { border-color: #FF8589; }
.botao-texto {
  min-height: 44px; padding: 8px 4px; border: 0; background: none; color: var(--cinza);
  text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}
.botao-texto:disabled { color: var(--texto-fraco); text-decoration: none; cursor: default; }

.campo { display: grid; gap: 6px; }
.campo label { font-size: 0.9375rem; color: var(--cinza); }
.campo input {
  width: 100%;
  min-height: 50px;
  padding: 10px 14px;
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  background: var(--fundo);
  color: var(--branco);
}
.campo input::placeholder { color: #7A7A7A; }
.campo input:focus-visible { outline-offset: 0; border-color: var(--branco); }
.campo-codigo input { font-size: 1.625rem; letter-spacing: 0.3em; text-align: center; font-variant-numeric: tabular-nums; }

.erro { color: #FF8589; font-size: 0.9375rem; }
.erro:empty { display: none; }
.miudo { font-size: 0.875rem; color: var(--texto-fraco); }

.check {
  display: inline-block; width: 7px; height: 13px; flex: none;
  border: solid currentColor; border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -2px);
}

.so-leitor { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* ---------- entrada ---------- */
.centro { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: 32px 16px; }
.centro .entrada-caixa { width: 100%; max-width: 420px; }

.entrada { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }

/* Herói: fundo escuro com brilho vermelho e grade, no clima das capas das aulas */
.heroi {
  position: relative; isolation: isolate; overflow: hidden;
  background:
    radial-gradient(120% 34% at 0% 46%, rgba(228, 30, 38, .26), transparent 72%),
    radial-gradient(90% 30% at 100% 100%, rgba(228, 30, 38, .16), transparent 70%),
    #060606;
}
.heroi::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(80% 70% at 60% 30%, #000 20%, transparent 78%);
          mask-image: radial-gradient(80% 70% at 60% 30%, #000 20%, transparent 78%);
}
.entrada-barra { position: relative; z-index: 2; width: 100%; max-width: var(--largura); margin: 0 auto; padding: 18px 16px 0; }
.heroi-grade { width: 100%; max-width: var(--largura); margin: 0 auto; padding: 0 16px 40px; display: grid; gap: 24px; }

.heroi-foto { position: relative; margin: -44px -8px 0 auto; width: min(90vw, 390px); }
.heroi-foto img { width: 100%; height: auto; }
.heroi-foto img {
  -webkit-mask-image: linear-gradient(180deg, #000 52%, transparent 92%);
          mask-image: linear-gradient(180deg, #000 52%, transparent 92%);
}
.heroi-foto figcaption { display: none; }

.heroi-texto { position: relative; z-index: 1; display: grid; gap: 14px; align-content: start; justify-items: start; margin-top: -178px; }
.sem-foto .heroi-texto { margin-top: 28px; }

.selo {
  display: inline-flex; align-items: center; gap: 9px; padding: 6px 13px 6px 11px;
  background: var(--vermelho); color: var(--branco); border-radius: 4px;
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase;
  box-shadow: 0 0 26px rgba(228, 30, 38, .55);
}
.selo::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--branco); animation: pisca 1.6s ease-in-out infinite; }

.heroi-titulo {
  font-size: clamp(2.4rem, 11.7vw, 5.6rem); font-weight: 900; line-height: .9; letter-spacing: -0.02em;
  text-transform: uppercase; text-wrap: nowrap; transform: skewX(-6deg); transform-origin: left bottom;
  text-shadow: 0 3px 0 rgba(0, 0, 0, .55), 0 10px 28px rgba(0, 0, 0, .7);
}
.titulo-linha { display: block; width: max-content; animation: sobe .55s cubic-bezier(.2, .8, .2, 1) backwards; }
.titulo-linha:nth-child(2) { animation-delay: .09s; }
.titulo-linha:nth-child(3) { animation-delay: .18s; }
.titulo-abre { font-size: .56em; font-weight: 800; letter-spacing: .02em; margin-bottom: .22em; }
.titulo-destaque {
  color: #FF2A33;
  text-shadow: 0 3px 0 rgba(0, 0, 0, .55), 0 0 34px rgba(228, 30, 38, .75), 0 0 80px rgba(228, 30, 38, .45);
}
.titulo-linha:last-child:not(:only-child) { position: relative; padding-bottom: .16em; }
.titulo-linha:last-child:not(:only-child)::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: .075em;
  background: linear-gradient(90deg, var(--vermelho), rgba(228, 30, 38, 0)); border-radius: 2px;
  transform-origin: left; animation: risca .6s .45s cubic-bezier(.2, .8, .2, 1) backwards;
}
.heroi-lead { font-size: 1.125rem; line-height: 1.45; max-width: 40ch; color: var(--cinza); }

.entrada-caixa {
  position: relative; z-index: 1;
  display: grid; gap: 16px; align-content: start; padding: 24px;
  background: rgba(31, 31, 31, .94); border: 1px solid #4A4A4A; border-top: 3px solid var(--vermelho); border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55), 0 0 0 1px rgba(228, 30, 38, .12), 0 0 70px rgba(228, 30, 38, .14);
}
.entrada-caixa h2 { font-size: 1.5rem; font-weight: 700; text-transform: uppercase; letter-spacing: .01em; }
.entrada-caixa form { display: grid; gap: 16px; }
.entrada-caixa .botao-principal {
  width: 100%; min-height: 56px; font-size: 1.0625rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase;
  box-shadow: 0 10px 30px rgba(228, 30, 38, .42);
}
.entrada-caixa .botao-principal:hover:not(:disabled) { box-shadow: 0 12px 38px rgba(240, 53, 60, .6); }
.entrada-acoes { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.demo {
  padding: 10px 14px; border: 1px dashed var(--linha); border-radius: var(--raio);
  font-size: 0.9375rem; color: var(--cinza);
}

/* Faixa de números */
.numeros { background: var(--vermelho); color: var(--branco); }
.numeros-dentro {
  list-style: none; margin: 0 auto; padding: 18px 16px; max-width: var(--largura);
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px 16px;
}
.numeros li { display: grid; gap: 2px; align-content: start; }
.numeros b { font-size: 1.5rem; font-weight: 900; line-height: 1; letter-spacing: -.01em; text-transform: uppercase; }
.numeros span { font-size: 0.875rem; font-weight: 500; line-height: 1.3; }

.vitrine { flex: 1; padding: 40px 0 56px; background: #161616; }
.vitrine-dentro { max-width: var(--largura); margin: 0 auto; padding: 0 16px; display: grid; gap: 32px; }
.vitrine h2 { font-size: 1.875rem; font-weight: 800; text-transform: uppercase; letter-spacing: -.005em; }
.vitrine-modulo { display: grid; gap: 12px; min-width: 0; }
.vitrine-modulo-topo { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.vitrine-modulo h3 { font-size: 1.0625rem; font-weight: 600; letter-spacing: 0.02em; padding-left: 12px; border-left: 3px solid var(--vermelho); }
.vitrine-modulo-topo .miudo { flex: none; }
.faixa {
  display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x proximity;
  margin: 0 -16px; padding: 4px 16px 12px; scroll-padding: 0 16px; scrollbar-width: thin; scrollbar-color: var(--linha) transparent;
}
.cartao-aula {
  flex: none; width: min(70vw, 264px); scroll-snap-align: start;
  display: grid; gap: 6px; align-content: start; padding: 0; border: 0; background: none;
  text-align: left; color: var(--cinza); cursor: pointer;
}
.cartao-capa { display: block; aspect-ratio: 16 / 10; border-radius: 8px; overflow: hidden; background: var(--painel); margin-bottom: 4px; }
.cartao-capa img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s; }
.cartao-aula:hover .cartao-capa img { transform: scale(1.04); }
.cartao-n { font-size: 0.8125rem; color: var(--texto-fraco); }
.cartao-t { font-size: 0.9375rem; line-height: 1.3; color: var(--branco); }

.rodape { border-top: 1px solid var(--linha); }
.rodape-dentro {
  max-width: var(--largura); margin: 0 auto; padding: 20px 16px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 0.875rem; color: var(--texto-fraco);
}
.rodape a { color: var(--cinza); }

@keyframes sobe { from { opacity: 0; transform: translateY(.35em); } }
@keyframes risca { from { transform: scaleX(0); } }
@keyframes pisca { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) {
  .titulo-linha, .titulo-linha::after, .selo::before { animation: none !important; }
}

@media (min-width: 640px) {
  .heroi-foto { width: 470px; margin: -40px 0 0 auto; }
  .heroi-texto { margin-top: -236px; }
  .numeros-dentro { grid-template-columns: repeat(4, auto); justify-content: space-between; gap: 24px; padding: 22px 16px; }
  .numeros b { font-size: 2.25rem; }
}

@media (min-width: 980px) {
  .heroi {
    background:
      radial-gradient(52% 70% at 8% 34%, rgba(228, 30, 38, .26), transparent 72%),
      radial-gradient(40% 40% at 100% 100%, rgba(228, 30, 38, .14), transparent 70%),
      #060606;
  }
  .entrada-barra { padding: 22px 24px 0; }
  .heroi-grade {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "texto foto" "caixa foto";
    column-gap: 24px; row-gap: 22px; align-items: start; padding: 18px 24px 0;
  }
  .heroi-texto { grid-area: texto; margin-top: 0; gap: 18px; }
  .sem-foto .heroi-texto { margin-top: 0; }
  .heroi-titulo { font-size: clamp(4rem, 6.6vw, 5.6rem); }
  .heroi-lead { font-size: 1.1875rem; max-width: 50ch; }
  .entrada-caixa { grid-area: caixa; padding: 24px 28px; margin-bottom: 44px; max-width: 560px; }
  .entrada-caixa form { grid-template-columns: 1fr 1fr; column-gap: 14px; align-items: end; }
  .entrada-caixa form > :not(.campo) { grid-column: 1 / -1; }
  .entrada-caixa form > .campo-codigo { grid-column: 1 / -1; }
  .heroi-foto { grid-area: foto; align-self: end; justify-self: end; margin: -56px -44px 0 0; width: min(122%, 700px); }
  .heroi-foto img { -webkit-mask-image: none; mask-image: none; }
  .heroi-foto figcaption {
    display: block; position: absolute; left: 15%; bottom: 10%; z-index: 1; padding: 8px 14px;
    background: rgba(12, 12, 12, .82); border-left: 3px solid var(--vermelho); border-radius: 0 4px 4px 0;
    font-size: 1rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--branco);
  }
  .heroi-foto figcaption span { font-weight: 500; color: var(--cinza); }
  .sem-foto .heroi-grade { grid-template-columns: minmax(0, 1.2fr) minmax(360px, 430px); grid-template-areas: "texto caixa"; column-gap: 72px; align-items: center; padding-bottom: 72px; }
  .sem-foto .entrada-caixa { margin-bottom: 0; }
  .sem-foto .entrada-caixa form { grid-template-columns: 1fr; }
  .numeros-dentro { padding: 26px 24px; }
  .numeros b { font-size: 2.75rem; }
  .numeros span { font-size: 1rem; }
  .vitrine-dentro, .rodape-dentro { padding-left: 24px; padding-right: 24px; }
  .vitrine { padding: 56px 0 72px; }
  .vitrine h2 { font-size: 2.25rem; }
  .faixa { margin: 0 -24px; padding-left: 24px; padding-right: 24px; scroll-padding: 0 24px; }
  .cartao-aula { width: 280px; }
}

/* ---------- curso ---------- */
.topo { border-bottom: 1px solid var(--linha); background: var(--fundo); }
.topo-dentro {
  max-width: var(--largura); margin: 0 auto; padding: 12px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.topo .botao { min-height: 44px; padding: 8px 16px; }

.pagina { max-width: var(--largura); margin: 0 auto; padding: 20px 16px 64px; display: grid; gap: 24px; }

/* Cadeia de blocos: um bloco por aula. É o progresso do aluno. */
.cadeia-topo { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.cadeia-topo h1 { font-size: 1.25rem; letter-spacing: 0.02em; }
.cadeia-conta { color: var(--texto-fraco); font-variant-numeric: tabular-nums; }
.cadeia { display: flex; gap: 3px; }
.cadeia button {
  flex: 1 1 0; min-width: 0; height: 28px; padding: 9px 0; border: 0; background: none; cursor: pointer;
}
.cadeia button::before {
  content: ""; display: block; height: 10px; border-radius: 2px; background: var(--bloco-vazio);
  transition: background-color .25s;
}
.cadeia button.feita::before { background: var(--vermelho); }
.cadeia button.atual::before { box-shadow: 0 0 0 2px var(--fundo), 0 0 0 4px var(--branco); }
.cadeia button:hover::before { background: var(--cinza); }

.grade { display: grid; gap: 28px; }

.player {
  position: relative; aspect-ratio: 16 / 9; background: #000;
  border-radius: var(--raio); overflow: hidden;
}
.player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.player-vazio {
  position: absolute; inset: 0; display: grid; place-items: center; padding: 24px;
  text-align: center; color: var(--texto-fraco); background: var(--painel);
}

.aula { display: grid; gap: 18px; }
.aula-cabeca { display: grid; gap: 6px; }
.aula-cabeca h2 { font-size: 1.625rem; }
.aula-modulo { color: var(--texto-fraco); }
.aula-texto { max-width: 68ch; white-space: pre-line; }
.aula-acoes { display: flex; flex-wrap: wrap; gap: 10px; }
.aula-acoes .empurra { margin-left: auto; }

.blocos { display: grid; gap: 16px; padding-top: 18px; border-top: 1px solid var(--linha); justify-items: start; }
.bloco-titulo { font-size: 1.1875rem; max-width: 68ch; }
.bloco-link { display: grid; gap: 4px; justify-items: start; }
.bloco-link .botao { border-color: var(--cinza); text-align: left; }
.bloco-link .botao::after { content: ""; width: 7px; height: 7px; flex: none; border: solid currentColor; border-width: 2px 2px 0 0; transform: rotate(45deg); }
.bloco-imagem { width: 100%; max-width: 560px; height: auto; border-radius: var(--raio); }

.trilha { display: grid; gap: 22px; align-content: start; }
.trilha h3 { font-size: 1rem; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 6px; }
.trilha ol { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--linha); }
.trilha li { border-bottom: 1px solid var(--linha); }
.trilha-aula {
  width: 100%; min-height: 52px; padding: 10px 8px; display: flex; align-items: center; gap: 14px;
  border: 0; background: none; text-align: left; cursor: pointer; color: var(--cinza);
}
.trilha-aula:hover { background: var(--painel); }
.trilha-aula.atual { background: var(--painel); color: var(--branco); box-shadow: inset 3px 0 0 var(--vermelho); }
.trilha-miniatura { position: relative; flex: none; display: grid; place-items: center; }
.trilha-miniatura.com-capa { width: 124px; aspect-ratio: 16 / 10; border-radius: 5px; overflow: hidden; background: var(--painel); }
.trilha-capa { width: 100%; height: 100%; object-fit: cover; }
.trilha-estado {
  width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid #6A6A6A;
  display: grid; place-items: center; color: var(--branco);
}
.trilha-miniatura.com-capa .trilha-estado { position: absolute; left: 6px; top: 6px; background: rgba(0, 0, 0, .7); border-color: var(--branco); }
.trilha-miniatura.com-capa .trilha-estado:empty { display: none; }
.trilha-aula.feita .trilha-estado { background: var(--vermelho); border-color: var(--vermelho); }
.trilha-estado .check { width: 5px; height: 10px; }
.trilha-texto { flex: 1; min-width: 0; display: grid; gap: 3px; }
.trilha-titulo { font-size: 0.9375rem; line-height: 1.3; }
.trilha-tempo { font-size: 0.8125rem; color: var(--texto-fraco); font-variant-numeric: tabular-nums; }

@media (min-width: 980px) {
  .pagina { padding: 28px 24px 80px; gap: 28px; }
  .topo-dentro { padding: 14px 24px; }
  .grade { grid-template-columns: minmax(0, 1fr) 400px; gap: 36px; align-items: start; }
  .trilha { position: sticky; top: 20px; max-height: calc(100vh - 40px); overflow-y: auto; padding-right: 4px; }
  .aula-cabeca h2 { font-size: 1.875rem; }
}

@media (max-width: 520px) {
  .marca-nome { font-size: 0.8125rem; letter-spacing: 0.2em; }
  .marca img { height: 30px; }
  .aula-acoes .botao { flex: 1 1 100%; }
  .aula-acoes .empurra { margin-left: 0; }
}

/* ---------- conta ---------- */
dialog {
  width: min(460px, calc(100vw - 32px)); padding: 0; border: 1px solid var(--linha);
  border-radius: 10px; background: var(--painel); color: var(--texto);
}
dialog::backdrop { background: rgba(0, 0, 0, .7); }
.conta { padding: 24px; display: grid; gap: 20px; }
.conta-cabeca { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.conta-cabeca h2 { font-size: 1.375rem; }
.conta-email { color: var(--texto-fraco); overflow-wrap: anywhere; }
.conta form { display: grid; gap: 12px; }
.conta-linha { display: flex; flex-wrap: wrap; gap: 10px; }
.conta-zona { border-top: 1px solid var(--linha); padding-top: 18px; display: grid; gap: 12px; }

/* ---------- aviso ---------- */
.aviso {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%);
  max-width: calc(100vw - 32px); padding: 12px 18px; border-radius: var(--raio);
  background: var(--cinza); color: #1B1B1B; font-weight: 500;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.aviso.visivel { opacity: 1; }

/* ---------- texto corrido (privacidade) ---------- */
.texto { max-width: 68ch; margin: 0 auto; padding: 32px 16px 80px; display: grid; gap: 18px; }
.texto h1 { font-size: 2rem; }
.texto h2 { font-size: 1.25rem; margin-top: 14px; }
.texto ul { margin: 0; padding-left: 22px; display: grid; gap: 6px; }
.texto .marca { margin-bottom: 12px; }
.falta { background: #5A1114; color: var(--branco); padding: 0 6px; border-radius: 3px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}