:root {
    /* Algodão do kimono, não papel: branco frio com trama. */
    --gi: #ecedea;
    --gi-deep: #dfe1dd;
    --ink: #000000;
    --body: #33363b;
    --muted: #6a6e74;
    --line: #cfd2cd;

    --belt-branca: #fbfbf9;
    --belt-azul: #1f45c4;
    --belt-roxa: #59289a;
    --belt-marrom: #5c3920;
    --belt-preta: #0d0d0d;
    --tarja: #000000;
    --tarja-preta: #c8102e;

    --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
    --ease-in: cubic-bezier(0.55, 0, 1, 0.45);

    --font: "Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    --display-size: clamp(50px, 16.5vw, 132px);
  }

  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
  body {
    margin: 0;
    min-height: 100svh;
    background-color: var(--gi);
    /* Trama "pearl weave" do kimono. */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14'%3E%3Cg fill='none' stroke='%23000' stroke-opacity='.045'%3E%3Cellipse cx='3.5' cy='3.5' rx='2.6' ry='1.6'/%3E%3Cellipse cx='10.5' cy='10.5' rx='2.6' ry='1.6'/%3E%3Cellipse cx='10.5' cy='3.5' rx='1.6' ry='2.6'/%3E%3Cellipse cx='3.5' cy='10.5' rx='1.6' ry='2.6'/%3E%3C/g%3E%3C/svg%3E");
    color: var(--body);
    font-family: var(--font);
    font-stretch: 100%;
    -webkit-font-smoothing: antialiased;
  }
  button, input { font: inherit; color: inherit; }
  a { color: inherit; }
  .sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
  }
  :focus-visible { outline: 3px solid var(--belt-azul); outline-offset: 3px; border-radius: 4px; }

  .page {
    min-height: 100svh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    width: min(1080px, 100%);
    margin: 0 auto;
    padding: max(20px, env(safe-area-inset-top)) clamp(16px, 4vw, 40px) max(20px, env(safe-area-inset-bottom));
  }

  header, footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 14px;
  }
  .wordmark {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-weight: 800;
    font-stretch: 75%;
    font-size: 20px;
    letter-spacing: -0.01em;
    text-decoration: none;
  }
  .wordmark svg { width: 30px; height: 30px; }
  .quiet-link { color: var(--muted); text-decoration: none; }
  .quiet-link:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
  footer { color: var(--muted); }

  main {
    align-self: center;
    padding: clamp(40px, 8vh, 96px) 0;
  }

  h1 {
    margin: 0;
    color: var(--ink);
    font-size: var(--display-size);
    font-weight: 850;
    font-stretch: 62%;
    line-height: 0.92;
    letter-spacing: -0.015em;
  }
  .lead-line { display: block; padding-left: 0.04em; }

  /* ---------- A faixa ---------- */

  .belt {
    --color: var(--belt-branca);
    --word: var(--ink);
    --stitch: rgba(0, 0, 0, 0.07);
    --tarja-color: var(--tarja);
    position: relative;
    display: grid;
    grid-template-columns: 1fr clamp(64px, 19%, 200px);
    align-items: center;
    margin: 0.12em 0 0 -0.06em;
    height: 1.28em;
    border-radius: 0.06em;
    background-color: var(--color);
    transform: rotate(-1.4deg);
    transform-origin: left center;
    box-shadow:
      inset 0 0.03em 0 rgba(255, 255, 255, 0.18),
      inset 0 -0.035em 0 rgba(0, 0, 0, 0.16),
      0 0.16em 0.22em -0.14em rgba(0, 0, 0, 0.45);
    transition: background-color 520ms var(--ease-out);
  }
  /* Costuras paralelas do tecido da faixa. */
  .belt::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    background: repeating-linear-gradient(180deg, transparent 0 calc(0.128em - 1px), var(--stitch) calc(0.128em - 1px) 0.128em);
  }
  .belt[data-belt="branca"] { box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08), inset 0 -0.035em 0 rgba(0, 0, 0, 0.06), 0 0.16em 0.22em -0.14em rgba(0, 0, 0, 0.3); }
  .belt[data-belt="azul"]   { --color: var(--belt-azul);   --word: #fff; --stitch: rgba(255, 255, 255, 0.09); }
  .belt[data-belt="roxa"]   { --color: var(--belt-roxa);   --word: #fff; --stitch: rgba(255, 255, 255, 0.09); }
  .belt[data-belt="marrom"] { --color: var(--belt-marrom); --word: #fff; --stitch: rgba(255, 255, 255, 0.08); }
  .belt[data-belt="preta"]  { --color: var(--belt-preta);  --word: #fff; --stitch: rgba(255, 255, 255, 0.07); --tarja-color: var(--tarja-preta); }

  .belt-word {
    position: relative;
    top: -0.11em;
    display: block;
    padding: 0 0.2em;
    /* Cabe inteira no tecido, descendentes incluídos. */
    font-size: 0.8em;
    line-height: 1;
    color: var(--word);
    white-space: nowrap;
    transition:
      transform 440ms var(--ease-out),
      opacity 440ms var(--ease-out),
      filter 440ms var(--ease-out),
      color 300ms linear;
  }
  .belt-word.leaving {
    transform: translateY(-38%);
    opacity: 0;
    filter: blur(6px);
    transition-duration: 220ms;
    transition-timing-function: var(--ease-in);
  }
  .belt-word.arriving {
    transform: translateY(38%);
    opacity: 0;
    filter: blur(6px);
    transition: none;
  }

  /* Ponta da faixa onde vão os graus. */
  .tarja {
    position: relative;
    height: 100%;
    display: flex;
    justify-content: center;
    gap: 9%;
    background: var(--tarja-color);
    transition: background-color 520ms var(--ease-out);
  }
  .tarja i {
    width: 8%;
    height: 100%;
    background: #fff;
    box-shadow: inset 0 -0.035em 0 rgba(0, 0, 0, 0.12);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 340ms var(--ease-out);
  }
  .tarja i.on { transform: scaleY(1); }
  .belt.resetting .tarja i { transition: transform 200ms var(--ease-in); transform-origin: bottom; }

  /* Entrada: a faixa desenrola uma vez quando a página abre. */
  @keyframes unroll { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
  @keyframes rise { from { opacity: 0; transform: translateY(14px); } }
  .belt { animation: unroll 900ms var(--ease-out) 180ms both; }
  .intro { animation: rise 700ms var(--ease-out) both; animation-delay: calc(var(--i) * 90ms + 700ms); }
  .lead-line.intro { animation-delay: 0ms; }

  .lede {
    max-width: 34em;
    margin: clamp(28px, 4.5vw, 48px) 0 0;
    font-size: clamp(17px, 1.9vw, 21px);
    line-height: 1.5;
    text-wrap: pretty;
  }

  .signup {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px 22px;
    margin-top: 30px;
  }
  .cta {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 58px;
    padding: 0 76px 0 26px;
    border: 0;
    border-radius: 6px;
    background: var(--ink);
    color: #fff;
    font-size: 18px;
    font-weight: 650;
    cursor: pointer;
    overflow: hidden;
    transition: transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
    box-shadow: 0 10px 22px -14px rgba(0, 0, 0, 0.6);
  }
  /* O botão é uma faixa preta: tarja vermelha com dois graus na ponta. */
  .cta::after {
    content: "";
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 50px;
    background:
      linear-gradient(90deg, transparent 13px, #fff 13px 18px, transparent 18px 27px, #fff 27px 32px, transparent 32px),
      var(--tarja-preta);
  }
  .cta:active { transform: scale(0.98); }
  @media (hover: hover) and (pointer: fine) {
    .cta:hover { transform: translateY(-1px); box-shadow: 0 14px 26px -14px rgba(0, 0, 0, 0.7); }
  }
  .note { margin: 0; color: var(--muted); font-size: 15px; }

  /* ---------- Formulário ---------- */

  dialog {
    width: min(440px, calc(100% - 24px));
    max-height: calc(100svh - 24px);
    padding: 0;
    border: 0;
    border-radius: 14px;
    background: #fff;
    color: var(--body);
    box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.45);
    opacity: 0;
    transform: translateY(16px) scale(0.97);
    transition: opacity 260ms var(--ease-out), transform 260ms var(--ease-out), overlay 260ms allow-discrete, display 260ms allow-discrete;
  }
  dialog[open] { opacity: 1; transform: none; }
  @starting-style { dialog[open] { opacity: 0; transform: translateY(16px) scale(0.97); } }
  dialog::backdrop {
    background: rgba(20, 22, 26, 0);
    transition: background 260ms var(--ease-out), overlay 260ms allow-discrete, display 260ms allow-discrete;
  }
  dialog[open]::backdrop { background: rgba(20, 22, 26, 0.5); }
  @starting-style { dialog[open]::backdrop { background: rgba(20, 22, 26, 0); } }

  .sheet { position: relative; padding: 28px 24px 24px; }
  .sheet h2 {
    margin: 0 40px 6px 0;
    color: var(--ink);
    font-size: 30px;
    font-weight: 850;
    font-stretch: 70%;
    line-height: 1.05;
  }
  .sheet h2:focus { outline: none; }
  .sheet > p { margin: 0 0 22px; color: var(--muted); font-size: 15px; line-height: 1.45; }
  .close {
    position: absolute;
    top: 16px; right: 16px;
    display: grid; place-items: center;
    width: 36px; height: 36px;
    border: 0; border-radius: 50%;
    background: var(--gi);
    cursor: pointer;
  }
  .close svg { width: 14px; height: 14px; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

  .field { margin: 0 0 18px; padding: 0; border: 0; }
  .field > label, .field > legend {
    display: block;
    margin-bottom: 8px;
    padding: 0;
    color: var(--ink);
    font-size: 15px;
    font-weight: 650;
  }
  .field legend span { color: var(--muted); font-weight: 400; }
  .control {
    width: 100%;
    height: 52px;
    padding: 0 14px;
    border: 1.5px solid var(--line);
    border-radius: 8px;
    background: #fff;
    font-size: 17px;
    transition: border-color 140ms linear;
  }
  .control:focus { outline: none; border-color: var(--ink); }
  select.control {
    appearance: none;
    padding-right: 42px;
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 16px center;
    cursor: pointer;
  }
  select.control:invalid { color: var(--muted); }
  .control[aria-invalid="true"] { border-color: var(--tarja-preta); }

  .belts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .belts label { position: relative; cursor: pointer; }
  .belts input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
  .belts span {
    display: grid;
    gap: 7px;
    padding: 10px;
    border: 1.5px solid var(--line);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 140ms linear, background-color 140ms linear;
  }
  .belts span::before {
    content: "";
    height: 10px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--swatch) 0 72%, var(--swatch-tarja, #000) 72%);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
  }
  .belts input:checked + span { border-color: var(--ink); background: var(--gi); }
  .belts input:focus-visible + span { outline: 3px solid var(--belt-azul); outline-offset: 2px; }
  .belts [value="branca"] + span { --swatch: var(--belt-branca); }
  .belts [value="azul"] + span { --swatch: var(--belt-azul); }
  .belts [value="roxa"] + span { --swatch: var(--belt-roxa); }
  .belts [value="marrom"] + span { --swatch: var(--belt-marrom); }
  .belts [value="preta"] + span { --swatch: var(--belt-preta); --swatch-tarja: var(--tarja-preta); }
  .belts [value="nao-treino"] + span { --swatch: transparent; --swatch-tarja: transparent; }
  .belts [value="nao-treino"] + span::before { box-shadow: inset 0 0 0 1.5px var(--line); background: none; }

  .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

  .form-error { min-height: 20px; margin: 0 0 10px; color: var(--tarja-preta); font-size: 14px; }

  .submit {
    position: relative;
    width: 100%;
    height: 54px;
    border: 0;
    border-radius: 8px;
    background: var(--ink);
    color: #fff;
    font-size: 17px;
    font-weight: 650;
    cursor: pointer;
    transition: transform 140ms var(--ease-out), opacity 140ms linear;
  }
  .submit:active { transform: scale(0.98); }
  .submit[disabled] { opacity: 0.7; cursor: progress; }

  /* ---------- Confirmação ---------- */

  .ticket-belt {
    --color: var(--belt-preta);
    --tarja-color: var(--tarja-preta);
    display: grid;
    grid-template-columns: 1fr 26%;
    height: 44px;
    background: var(--color);
    border-radius: 14px 14px 0 0;
  }
  .ticket-belt i { background: var(--tarja-color); }
  .ticket-belt[data-belt="branca"] { --color: var(--belt-branca); --tarja-color: var(--tarja); box-shadow: inset 0 -1px 0 var(--line); }
  .ticket-belt[data-belt="azul"] { --color: var(--belt-azul); --tarja-color: var(--tarja); }
  .ticket-belt[data-belt="roxa"] { --color: var(--belt-roxa); --tarja-color: var(--tarja); }
  .ticket-belt[data-belt="marrom"] { --color: var(--belt-marrom); --tarja-color: var(--tarja); }
  .actions { display: grid; gap: 8px; }
  .button-link {
    display: grid;
    place-items: center;
    height: 52px;
    border-radius: 8px;
    background: var(--ink);
    color: #fff;
    font-weight: 650;
    text-decoration: none;
  }
  .button-ghost {
    height: 48px;
    border: 1.5px solid var(--line);
    border-radius: 8px;
    background: #fff;
    font-weight: 600;
    cursor: pointer;
  }

  @media (max-width: 560px) {
    header { font-size: 13px; }
    .cta { width: 100%; justify-content: flex-start; }
    .note { width: 100%; }
  }
  @media (max-width: 360px) {
    .cta { padding-left: 20px; font-size: 16px; }
  }

  @media (prefers-reduced-motion: reduce) {
    .belt, .intro { animation: none; }
    .belt-word, .belt-word.leaving, .tarja i { transition: opacity 200ms linear; transform: none; filter: none; }
    .tarja i { transform: scaleY(1); }
    dialog, dialog::backdrop { transition: none; }
  }