:root {
    --papel: #E8D6B0; --tinta: #3E2B1C; --tinta-suave: #6E4B2E;
    --ouro: #A98C5C; --ouro-claro: #C9AE7E; --vinho: #7E4A3A;
    --cta: #9A6870; --cta-escuro: #6E4B52;
  }
  * { box-sizing: border-box; }
  html, body { margin: 0; overflow-x: hidden; -webkit-text-size-adjust: 100%; }
  body {
    background: radial-gradient(ellipse at 50% 0%, #3D272E 0%, #2C1B21 55%, #21141A 100%);
    min-height: 100dvh; font-family: 'DM Sans', sans-serif; color: var(--tinta);
    padding: clamp(12px, 4vw, 56px) clamp(10px, 3vw, 24px);
  }
  main {
    width: min(680px, 100%); margin: 0 auto; border-radius: 3px;
    background:
      radial-gradient(ellipse at 22% 12%, rgba(139,101,57,.10), transparent 42%),
      radial-gradient(ellipse at 78% 70%, rgba(139,101,57,.10), transparent 40%),
      linear-gradient(90deg, rgba(105,75,40,.20), rgba(105,75,40,0) 7%, rgba(105,75,40,0) 93%, rgba(105,75,40,.22)),
      url('/assets/textura.webp') repeat-y top center / 100% auto var(--papel);
    box-shadow: 0 24px 60px rgba(0,0,0,.55);
    padding: clamp(26px, 5vw, 52px);
  }
  .marca { font-family: 'Pinyon Script', cursive; font-size: clamp(30px, 6vw, 42px); color: var(--vinho); text-align: center; margin: 0; line-height: 1; }
  .voltar { display: block; text-align: center; margin-top: 10px; font-size: 13px; color: var(--tinta-suave); text-decoration: none; }
  .voltar:hover { color: var(--vinho); }
  .filete { border: 0; border-top: 1px solid var(--ouro-claro); margin: 26px 0; }
  h1 { font-family: 'Cormorant Garamond', serif; font-weight: 500; font-size: clamp(26px, 5vw, 34px); margin: 0 0 6px; }
  .eyebrow { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--ouro); font-weight: 600; margin: 0 0 8px; }
  .resumo { display: grid; gap: 10px; font-size: 15px; color: var(--tinta-suave); }
  .resumo b { color: var(--tinta); font-weight: 500; }
  .valor { font-family: 'DM Sans', sans-serif; font-variant-numeric: lining-nums tabular-nums; font-size: 34px; font-weight: 600; color: var(--tinta); }
  .economia { font-size: 13px; color: var(--tinta-suave); }
  label { display: block; font-size: 13px; letter-spacing: .04em; color: var(--tinta-suave); margin: 0 0 6px; font-weight: 500; }
  input[type=text], input[type=email], input[type=tel], select {
    width: 100%; min-width: 0; padding: 13px 14px; font-size: 16px; font-family: inherit; color: var(--tinta);
    background: rgba(255,252,244,.55); border: 1px solid var(--ouro-claro); border-radius: 4px;
  }
  select { appearance: none; cursor: pointer; }
  .participante { border-left: 2px solid var(--ouro-claro); padding-left: 14px; margin-bottom: 18px; }
  .metodos { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 18px; }
  @media (max-width: 520px) { .metodos { grid-template-columns: 1fr; } }
  .metodo { display: flex; gap: 10px; align-items: flex-start; padding: 14px; border: 1px solid var(--ouro-claro); border-radius: 6px; cursor: pointer; background: rgba(255,252,244,.35); }
  .metodo:has(input:checked) { border-color: var(--cta); border-width: 2px; padding: 13px; background: rgba(255,252,244,.7); }
  .metodo input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--cta); flex: none; }
  .metodo b { display: block; font-weight: 500; font-size: 15px; color: var(--tinta); }
  .metodo small { display: block; font-size: 13px; color: var(--tinta-suave); margin-top: 2px; }
  .participante h3 { font-family: 'Cormorant Garamond', serif; font-weight: 500; font-size: 19px; margin: 0 0 10px; color: var(--tinta); }
  input:focus-visible { outline: 2px solid var(--cta); outline-offset: 1px; }
  .campo { margin-bottom: 16px; }
  .dupla { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
  @media (max-width: 520px) { .dupla { grid-template-columns: 1fr; } }
  .check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--tinta-suave); margin-bottom: 14px; }
  .check input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--cta); flex: none; }
  .erro { color: #8C2F2F; font-size: 13px; margin-top: 5px; }
  button.principal {
    width: 100%; padding: 17px 24px; font-size: 16px; font-family: inherit; font-weight: 500;
    background: var(--cta); color: #FFF9F8; border: 0; border-radius: 999px; cursor: pointer;
    box-shadow: 0 6px 18px rgba(60,35,20,.28); transition: background .2s;
  }
  button.principal:hover:not(:disabled) { background: var(--cta-escuro); }
  button.principal:active:not(:disabled) { transform: scale(.99); }
  button.principal:disabled { opacity: .6; cursor: not-allowed; }
  .secundario { background: none; border: 1px solid var(--ouro); color: var(--tinta-suave); padding: 11px 18px; border-radius: 999px; font-family: inherit; font-size: 14px; cursor: pointer; }
  .nota { font-size: 12.5px; line-height: 1.6; color: var(--tinta-suave); }
  .nota a, .check a { color: var(--vinho); }
  #qr-img { display: block; width: min(260px, 70vw); height: auto; margin: 0 auto; border: 1px solid var(--ouro-claro); border-radius: 4px; background: #fff; padding: 10px; }
  .copia { width: 100%; font-family: ui-monospace, monospace; font-size: 12px; padding: 11px; border: 1px solid var(--ouro-claro); border-radius: 4px; background: rgba(255,252,244,.55); word-break: break-all; max-height: 84px; overflow: auto; color: var(--tinta-suave); }
  .aguardando { display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 14px; color: var(--tinta-suave); }
  .pulso { width: 9px; height: 9px; border-radius: 50%; background: var(--cta); animation: pulso 1.4s ease-in-out infinite; }
  @keyframes pulso { 0%,100% { opacity: .25 } 50% { opacity: 1 } }
  @media (prefers-reduced-motion: reduce) { .pulso { animation: none; opacity: .7 } }
  .oculto { display: none !important; }
  .sucesso { text-align: center; }
  .selo-ok { width: 62px; height: 62px; margin: 0 auto 14px; border-radius: 50%; border: 2px solid var(--cta); display: flex; align-items: center; justify-content: center; }