/* Tutoriais Ultreix — página de vídeos (estilo vitrine: destaque no topo, fileiras de capas verticais, aula com lista ao lado). */
:root {
  --fundo: #070b19; --placa: #0d1430; --placa2: #131c3d; --linha: #1c2648; --texto: #eef1f8; --suave: #929cbb; --fraco: #5e6a8f;
  --lima: #d7ff3f; --sobre-lima: #0a0f22; --ok: #7df0a9; --erro: #ff9b9b;
  --display: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  --corpo: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --gutter: clamp(16px, 4vw, 48px); --raio: 10px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--fundo); color: var(--texto); font: 15px/1.55 var(--corpo); -webkit-font-smoothing: antialiased; }
body { min-height: 100vh; overflow-x: hidden; }
a { color: inherit; }
button, input { font: inherit; color: inherit; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--lima); outline-offset: 3px; border-radius: 4px; }
.t-carregando { display: grid; place-items: center; min-height: 100vh; color: var(--suave); }
.so-leitor { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- topo ---------- */
.t-topo { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 18px; padding: 12px var(--gutter);
  background: linear-gradient(to bottom, rgba(7,11,25,.96), rgba(7,11,25,.82)); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(28,38,72,.6); }
.t-marca { display: flex; align-items: center; gap: 12px; text-decoration: none; flex: none; }
.t-marca img { height: 26px; width: auto; }
.t-marca span { font: 700 22px/1 var(--display); letter-spacing: .01em; color: var(--texto); padding-left: 12px; border-left: 1px solid var(--linha); }
.t-busca { flex: 1; max-width: 420px; margin-left: auto; position: relative; }
.t-busca input { width: 100%; background: var(--placa); border: 1px solid var(--linha); border-radius: 999px; padding: 9px 14px 9px 38px; outline: none; }
.t-busca input:focus { border-color: var(--lima); }
.t-busca svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; stroke: var(--suave); fill: none; stroke-width: 2; }
.t-acoes { display: flex; align-items: center; gap: 10px; flex: none; }
.t-bt { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--linha); background: var(--placa); color: var(--texto); padding: 9px 14px; border-radius: 999px; cursor: pointer; text-decoration: none; font-weight: 600; font-size: 14px; white-space: nowrap; }
.t-bt:hover { border-color: #33427a; }
.t-bt.prim { background: var(--lima); border-color: var(--lima); color: var(--sobre-lima); }
.t-bt.prim:hover { filter: brightness(1.06); }
.t-bt.feito { background: rgba(125,240,169,.1); border-color: rgba(125,240,169,.4); color: var(--ok); }
.t-bt svg { width: 17px; height: 17px; stroke: currentColor; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.t-bt[disabled] { opacity: .45; cursor: default; }
.t-av { width: 34px; height: 34px; border-radius: 50%; background: var(--placa2); display: grid; place-items: center; font-weight: 700; font-size: 13px; overflow: hidden; border: 1px solid var(--linha); cursor: pointer; padding: 0; }
.t-av img { width: 100%; height: 100%; object-fit: cover; }
.t-menu { position: fixed; z-index: 30; right: var(--gutter); top: 58px; background: var(--placa); border: 1px solid var(--linha); border-radius: 12px; padding: 6px; min-width: 220px; box-shadow: 0 16px 40px rgba(0,0,0,.45); }
.t-menu a, .t-menu button { display: block; width: 100%; text-align: left; padding: 10px 12px; border-radius: 8px; background: none; border: 0; text-decoration: none; cursor: pointer; }
.t-menu a:hover, .t-menu button:hover { background: var(--placa2); }
.t-menu .quem { padding: 8px 12px 10px; border-bottom: 1px solid var(--linha); margin-bottom: 4px; color: var(--suave); font-size: 13px; }
.t-previa { background: rgba(215,255,63,.1); color: var(--lima); border-bottom: 1px solid rgba(215,255,63,.25); padding: 8px var(--gutter); font-size: 13px; }

/* ---------- destaque ---------- */
.t-hero { position: relative; min-height: min(62vh, 560px); display: flex; align-items: flex-end; padding: 0 var(--gutter) clamp(36px, 6vh, 64px); overflow: hidden; isolation: isolate; }
.t-hero picture, .t-hero .t-hero-img { position: absolute; inset: 0; z-index: -2; }
.t-hero picture img, .t-hero .t-hero-img img { width: 100%; height: 100%; object-fit: cover; }
.t-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(7,11,25,.94) 0%, rgba(7,11,25,.7) 38%, rgba(7,11,25,.05) 70%), linear-gradient(0deg, var(--fundo) 0%, rgba(7,11,25,0) 42%); }
.t-hero.sem-imagem { min-height: 340px; }
.t-hero.sem-imagem::before { content: ""; position: absolute; z-index: -2; right: -10%; top: -30%; width: 70%; height: 140%; background: radial-gradient(closest-side, rgba(215,255,63,.14), transparent 70%); }
.t-hero-txt { max-width: 640px; }
.t-hero h1 { font: 700 clamp(44px, 7vw, 92px)/.92 var(--display); margin: 0 0 14px; letter-spacing: -.005em; text-wrap: balance; }
.t-hero p { margin: 0 0 22px; color: #c8cee0; font-size: 16px; max-width: 54ch; }
.t-hero .t-bts { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.t-hero .t-bt { padding: 12px 20px; font-size: 15px; }
.t-hero .t-meta { color: var(--suave); font-size: 13px; }

/* ---------- fileiras ---------- */
.t-corpo { padding-bottom: 64px; }
.t-fileira { margin-top: 34px; }
.t-fileira-cab { display: flex; align-items: baseline; gap: 12px; padding: 0 var(--gutter); margin-bottom: 12px; }
.t-fileira-cab h2 { font: 700 28px/1 var(--display); margin: 0; }
.t-fileira-cab small { color: var(--fraco); font-size: 13px; }
.t-trilho-box { position: relative; }
.t-trilho { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px var(--gutter) 12px; scroll-padding: 0 var(--gutter); scrollbar-width: none; }
.t-trilho::-webkit-scrollbar { display: none; }
.t-seta { position: absolute; top: 4px; bottom: 12px; width: 52px; border: 0; background: linear-gradient(90deg, rgba(7,11,25,.92), rgba(7,11,25,0)); color: var(--texto); cursor: pointer; opacity: 0; transition: opacity .15s; display: grid; place-items: center; z-index: 2; }
.t-seta.dir { right: 0; transform: scaleX(-1); }
.t-seta.esq { left: 0; }
.t-seta svg { width: 30px; height: 30px; stroke: currentColor; fill: none; stroke-width: 2.4; }
.t-trilho-box:hover .t-seta:not([hidden]) { opacity: 1; }
@media (hover: none) { .t-seta { display: none; } }

/* capa vertical do módulo (pôster) */
.t-poster { flex: none; width: clamp(138px, 15vw, 210px); scroll-snap-align: start; text-decoration: none; position: relative; }
.t-poster .capa { position: relative; aspect-ratio: 2 / 3; border-radius: var(--raio); overflow: hidden; background: var(--placa2); border: 1px solid var(--linha); transition: transform .18s ease, border-color .18s; }
.t-poster .capa img { width: 100%; height: 100%; object-fit: cover; }
.t-poster:hover .capa, .t-poster:focus-visible .capa { transform: translateY(-4px); border-color: #3a4a85; }
.t-poster .sem-capa { position: absolute; inset: 0; display: flex; align-items: flex-end; padding: 14px; font: 700 26px/.95 var(--display); background: linear-gradient(160deg, #18244f, #0b1128 70%); }
.t-poster .trilho-prog { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: rgba(255,255,255,.14); }
.t-poster .trilho-prog i { display: block; height: 100%; background: var(--lima); }
.t-poster .selo { position: absolute; top: 9px; left: 9px; background: var(--lima); color: var(--sobre-lima); font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 6px; }
.t-poster.em-breve .capa img, .t-poster.em-breve .sem-capa { filter: grayscale(1) brightness(.55); }
.t-poster.em-breve .selo { background: rgba(7,11,25,.85); color: var(--texto); border: 1px solid var(--linha); }
.t-poster .rasc { position: absolute; top: 9px; right: 9px; background: #4a2a10; color: #ffb27a; font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 6px; }
.t-poster b { display: block; margin-top: 9px; font-weight: 600; font-size: 14px; line-height: 1.3; }
.t-poster small { color: var(--fraco); font-size: 12px; }

/* cartão de aula (16:9) */
.t-aula { flex: none; width: clamp(230px, 24vw, 320px); scroll-snap-align: start; text-decoration: none; }
.t-aula .thumb { position: relative; aspect-ratio: 16 / 9; border-radius: var(--raio); overflow: hidden; background: var(--placa2); border: 1px solid var(--linha); }
.t-aula .thumb img { width: 100%; height: 100%; object-fit: cover; }
.t-aula .thumb .play { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transition: opacity .15s; background: rgba(7,11,25,.35); }
.t-aula:hover .play, .t-aula:focus-visible .play { opacity: 1; }
.t-aula .play svg { width: 46px; height: 46px; fill: var(--lima); }
.t-aula .dur { position: absolute; right: 8px; bottom: 9px; background: rgba(7,11,25,.85); font-size: 12px; padding: 2px 7px; border-radius: 6px; }
.t-aula .trilho-prog { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: rgba(255,255,255,.14); }
.t-aula .trilho-prog i { display: block; height: 100%; background: var(--lima); }
.t-aula b { display: block; margin-top: 9px; font-weight: 600; font-size: 14px; line-height: 1.3; }
.t-aula small { color: var(--fraco); font-size: 12px; }
.t-sem-thumb { position: absolute; inset: 0; display: grid; place-items: center; background: linear-gradient(150deg, #17224a, #0b1128); color: var(--fraco); }
.t-sem-thumb svg { width: 40px; height: 40px; fill: currentColor; }

/* ---------- áreas de membros (capa quadrada do produto) ---------- */
.t-produto { flex: none; width: clamp(150px, 16vw, 220px); scroll-snap-align: start; text-decoration: none; }
.t-produto .capa { position: relative; aspect-ratio: 1; border-radius: 14px; overflow: hidden; background: var(--placa2); border: 1px solid var(--linha); transition: transform .18s ease, border-color .18s; }
.t-produto .capa img { width: 100%; height: 100%; object-fit: cover; }
.t-produto:hover .capa, .t-produto:focus-visible .capa { transform: translateY(-4px); border-color: #3a4a85; }
.t-produto .sem-capa { position: absolute; inset: 0; display: flex; align-items: flex-end; padding: 14px; font: 700 26px/.95 var(--display); background: linear-gradient(160deg, #18244f, #0b1128 70%); }
.t-produto .trilho-prog { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: rgba(255,255,255,.14); }
.t-produto .trilho-prog i { display: block; height: 100%; background: var(--lima); }
.t-produto b { display: block; margin-top: 9px; font-weight: 600; font-size: 14px; line-height: 1.3; }
.t-produto small { color: var(--fraco); font-size: 12px; }
.t-hero-area.sem-imagem { align-items: center; gap: clamp(18px, 3vw, 40px); padding-top: clamp(28px, 5vh, 48px); }
.t-area-capa { flex: none; width: clamp(120px, 18vw, 220px); aspect-ratio: 1; border-radius: 16px; overflow: hidden; border: 1px solid var(--linha); box-shadow: 0 18px 40px rgba(0,0,0,.35); }
.t-area-capa img { width: 100%; height: 100%; object-fit: cover; }
.t-migalha-hero { margin-bottom: 14px; }
.t-area-barra { max-width: 320px; margin-top: 16px; }

/* ---------- módulo / aula ---------- */
.t-modulo { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 28px; padding: 22px var(--gutter) 64px; align-items: start; }
.t-migalha { grid-column: 1 / -1; display: flex; gap: 8px; align-items: center; color: var(--suave); font-size: 13px; flex-wrap: wrap; }
.t-migalha a { text-decoration: none; color: var(--suave); }
.t-migalha a:hover { color: var(--texto); }
.t-player { position: relative; aspect-ratio: 16 / 9; background: #000; border-radius: 12px; overflow: hidden; border: 1px solid var(--linha); }
.t-player video, .t-player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #000; }
.t-player .t-sem-video { position: absolute; inset: 0; display: grid; place-items: center; color: var(--suave); text-align: center; padding: 20px; }
.t-aula-cab { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-top: 18px; flex-wrap: wrap; }
.t-aula-cab h1 { font: 700 clamp(30px, 3.4vw, 44px)/1 var(--display); margin: 0; max-width: 24ch; }
.t-aula-cab .t-bts { display: flex; gap: 8px; flex-wrap: wrap; }
.t-desc { margin-top: 16px; color: #c8cee0; white-space: pre-wrap; max-width: 75ch; overflow-wrap: anywhere; }
.t-desc a { color: var(--lima); }
.t-lado { background: var(--placa); border: 1px solid var(--linha); border-radius: 14px; overflow: hidden; position: sticky; top: 76px; max-height: calc(100vh - 96px); display: flex; flex-direction: column; }
.t-lado-cab { padding: 16px 16px 14px; border-bottom: 1px solid var(--linha); }
.t-lado-cab h2 { font: 700 24px/1.05 var(--display); margin: 0 0 10px; }
.t-barra { height: 6px; border-radius: 99px; background: rgba(255,255,255,.08); overflow: hidden; }
.t-barra i { display: block; height: 100%; background: var(--lima); border-radius: 99px; }
.t-lado-cab small { display: block; margin-top: 7px; color: var(--suave); font-size: 12px; }
.t-lista { list-style: none; margin: 0; padding: 6px; overflow-y: auto; }
.t-lista a { display: grid; grid-template-columns: 26px 1fr auto; gap: 10px; align-items: center; padding: 10px; border-radius: 10px; text-decoration: none; }
.t-lista a:hover { background: var(--placa2); }
.t-lista a[aria-current="true"] { background: rgba(215,255,63,.08); box-shadow: inset 3px 0 0 var(--lima); }
.t-lista .n { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; background: var(--placa2); color: var(--suave); }
.t-lista .n.ok { background: rgba(125,240,169,.14); color: var(--ok); }
.t-lista .n svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 3; }
.t-lista a[aria-current="true"] .n { background: var(--lima); color: var(--sobre-lima); }
.t-lista .tt { font-size: 14px; line-height: 1.3; }
.t-lista .tt small { display: block; color: var(--fraco); font-size: 12px; }
.t-lista .d { color: var(--fraco); font-size: 12px; }
.t-breve { grid-column: 1 / -1; display: grid; grid-template-columns: 220px 1fr; gap: 28px; align-items: center; }
.t-breve .t-poster { width: 100%; }
.t-breve h1 { font: 700 46px/1 var(--display); margin: 0 0 10px; }

/* ---------- busca, vazio, entrar ---------- */
.t-grade { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 22px 16px; padding: 0 var(--gutter); }
.t-grade .t-aula { width: auto; }
.t-pagina-tit { padding: 28px var(--gutter) 6px; }
.t-pagina-tit h1 { font: 700 40px/1 var(--display); margin: 0; }
.t-pagina-tit p { color: var(--suave); margin: 6px 0 18px; }
.t-vazio { max-width: 520px; margin: 12vh auto; padding: 0 var(--gutter); text-align: center; color: var(--suave); }
.t-vazio h1 { font: 700 40px/1 var(--display); color: var(--texto); margin: 0 0 10px; }
.t-entrar { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.t-entrar form { width: 100%; max-width: 380px; background: var(--placa); border: 1px solid var(--linha); border-radius: 16px; padding: 28px 24px; }
.t-entrar img { height: 30px; width: auto; margin-bottom: 18px; }
.t-entrar h1 { font: 700 34px/1 var(--display); margin: 0 0 6px; }
.t-entrar p { color: var(--suave); margin: 0 0 20px; }
.t-entrar label { display: block; font-size: 13px; color: var(--suave); margin: 12px 0 6px; }
.t-entrar input { width: 100%; background: var(--fundo); border: 1px solid var(--linha); border-radius: 10px; padding: 11px 12px; outline: none; }
.t-entrar input:focus { border-color: var(--lima); }
.t-entrar .t-bt { width: 100%; margin-top: 20px; padding: 12px; }
.t-entrar .erro { color: var(--erro); font-size: 13px; margin-top: 12px; min-height: 1em; }
.t-entrar .ajuda { display: block; text-align: center; margin-top: 16px; color: var(--suave); font-size: 13px; }
#t-avisos { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 50; display: grid; gap: 8px; }
#t-avisos div { background: var(--placa2); border: 1px solid var(--linha); padding: 10px 16px; border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,.4); font-size: 14px; }

@media (max-width: 960px) {
  .t-modulo { grid-template-columns: minmax(0, 1fr); }
  .t-lado { position: static; max-height: none; }
  .t-breve { grid-template-columns: 140px 1fr; gap: 18px; }
  .t-breve h1 { font-size: 34px; }
}
@media (max-width: 640px) {
  .t-topo { gap: 10px; flex-wrap: wrap; }
  .t-marca span { font-size: 19px; }
  .t-busca { order: 3; flex-basis: 100%; max-width: none; margin-left: 0; }
  .t-acoes { margin-left: auto; }
  .t-acoes .t-voltar span { display: none; }
  .t-hero { min-height: 72vh; }
  .t-hero::after { background: linear-gradient(0deg, var(--fundo) 6%, rgba(7,11,25,.82) 46%, rgba(7,11,25,.15) 100%); }
  .t-hero.sem-imagem { min-height: 280px; }
  .t-fileira-cab h2 { font-size: 24px; }
  .t-menu { top: 104px; }
  .t-hero-area.sem-imagem { flex-direction: column; align-items: flex-start; justify-content: flex-end; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }