/* =============================================================
   Briefing page
   ============================================================= */
.page-briefing { background: var(--paper-2); }
/* Rodapé sempre no fim da tela, mesmo quando sobra pouco conteúdo (ex.: depois do envio) */
.page-briefing { display: flex; flex-direction: column; min-height: 100vh; min-height: 100dvh; }
.page-briefing > main { flex: 1 0 auto; }
.page-briefing > main.bwrap { display: grid; align-content: center; } /* obrigado.html: cartão no meio da tela */
.nav__links a[aria-current="page"] { color: var(--white); }

.bhero { position: relative; overflow: hidden; background: var(--ink); color: var(--on-dark); padding: 150px 0 90px; }
.bhero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 15%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 15%, transparent 70%);
}
.bhero__inner { position: relative; max-width: 780px; }
.bhero__title { font-family: var(--serif); font-weight: 400; font-size: clamp(36px, 5vw, 60px); letter-spacing: -.025em; line-height: 1.06; color: var(--white); }
.bhero__title em { font-style: italic; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .06em; }
.bhero__lead { margin-top: 22px; font-size: 17.5px; color: var(--on-dark-muted); max-width: 600px; }

.bwrap { padding: 72px 0 120px; }
.bwrap__inner { max-width: 780px; }

/* Form */
.bform { display: grid; gap: 20px; min-width: 0; }
.bstep {
  margin: 0; min-width: 0; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--white); padding: 34px 36px 36px; display: grid; gap: 18px;
  scroll-margin-top: 100px;
}
.bstep legend {
  float: left; width: 100%; padding: 0; display: flex; align-items: baseline; gap: 14px;
  font: 500 24px/1.25 var(--serif); color: var(--ink);
}
.bstep legend + * { clear: both; }
.bstep__hint { color: var(--muted); font-size: 15px; margin-top: -8px; }

.bgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.bgrid--3 { grid-template-columns: repeat(3, 1fr); }
.bstack { display: grid; gap: 16px; }
.bfield { display: grid; gap: 8px; font-size: 14px; font-weight: 500; color: var(--ink); min-width: 0; }
.bfield--full { grid-column: 1 / -1; }
.bfield b, .consent b { color: var(--accent-2); font-weight: 600; }
.bfield input, .bfield select, .bfield textarea {
  width: 100%; font: 400 15.5px/1.4 var(--sans); color: var(--text);
  padding: 13px 15px; border-radius: 10px; border: 1px solid #dcd9d1; background: var(--paper);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.bfield textarea { resize: vertical; min-height: 60px; }
.bfield input:focus, .bfield select:focus, .bfield textarea:focus { outline: none; border-color: var(--accent); background: var(--white); box-shadow: 0 0 0 4px var(--accent-soft); }
.bfield .is-invalid, .bfield input.is-invalid { border-color: #dc2626; box-shadow: 0 0 0 4px rgba(220, 38, 38, .1); }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chip span {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 999px; border: 1px solid #d3dbe6; background: var(--paper);
  font-size: 14.5px; font-weight: 500; color: var(--text); transition: all .18s;
}
.chip span::before {
  content: ""; width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid #b3bfcf; transition: all .18s;
}
.chip:hover span { border-color: var(--ink); }
.chip input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--white); }
.chip input:checked + span::before {
  border-color: var(--accent); background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 8.2 2.6 2.6L12 5.4' stroke='%230b1020' stroke-width='2.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat;
}
.chip input:focus-visible + span { box-shadow: 0 0 0 4px var(--accent-soft); border-color: var(--accent); }

/* Uploads */
.uploads { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.upload {
  position: relative; display: grid; gap: 6px; padding: 18px; border-radius: 14px; cursor: pointer;
  border: 1.5px dashed #cbd5e1; background: var(--paper); transition: border-color .2s, background .2s; min-width: 0;
}
.upload:hover { border-color: var(--accent); background: var(--white); }
.upload input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.upload input:focus-visible ~ .upload__f { text-decoration: underline; }
.upload__t { font-size: 14px; font-weight: 600; color: var(--ink); }
.upload__f { font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.upload.has-file { border-style: solid; border-color: var(--accent); background: var(--white); }
.upload.has-file .upload__f { color: var(--accent-2); font-weight: 500; }
.upload.is-invalid { border-color: #dc2626; }
.upload__total { font-size: 13px; color: var(--muted); min-height: 1em; margin-top: -6px; }
.upload__total.is-over { color: #dc2626; font-weight: 500; }

/* Fluxo progressivo: uma pergunta aberta por vez, as respondidas viram resumo */
.bfield > span { display: block; }
.bform.is-flow .bstep[hidden] { display: none; }
.bform.is-flow .bstep:not(.is-collapsed), .bform.is-flow .bfooter { animation: stepIn .4s ease both; }
@keyframes stepIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.bstep__summary, .bstep__actions { display: none; }
.bform.is-flow .bstep.is-collapsed { padding: 0; gap: 0; animation: none; }
.bform.is-flow .bstep.is-collapsed > :not(.bstep__summary) { display: none; }
.bform.is-flow .bstep.is-collapsed + .bstep.is-collapsed { margin-top: -10px; }
.bform.is-flow .bstep.is-collapsed .bstep__summary {
  display: flex; align-items: center; gap: 14px; width: 100%; padding: 16px 22px;
  border: 0; border-radius: var(--radius-lg); background: none; font: inherit; color: inherit; text-align: left; cursor: pointer;
  transition: background .2s;
}
.bstep__summary:hover { background: var(--paper); }
.bstep__summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.bstep__check {
  display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  background: var(--accent-soft); color: var(--accent-2); font-size: 13px; font-weight: 700;
}
.bstep__check::before { content: "✓"; }
.bstep__summary.is-empty .bstep__check { background: var(--paper-2); color: var(--muted); }
.bstep__summary.is-empty .bstep__check::before { content: "–"; }
.bstep__text { flex: 1; min-width: 0; display: grid; gap: 1px; }
.bstep__label { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.bstep__value { font-size: 15px; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bstep__summary.is-empty .bstep__value { color: var(--muted); font-style: italic; }
.bstep__edit { font-size: 14px; font-weight: 600; color: var(--accent-2); flex-shrink: 0; }
.bstep__summary:hover .bstep__edit { text-decoration: underline; }

.bform.is-flow .bstep__actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 12px 16px; margin-top: 8px; }
.bstep__error { flex: 1 1 260px; font-size: 14px; color: #b91c1c; }
.bstep__error[hidden] { display: none; }
.bstep__next { min-width: 190px; }
.bstep__next.is-skip { background: transparent; border-color: #cbd5e1; color: var(--ink); box-shadow: none; }
.bstep__next.is-skip:hover { border-color: var(--ink); }

/* Envio: aparece depois da última pergunta */
.bfooter {
  display: grid; gap: 20px; padding: 32px 36px; border-radius: var(--radius-lg);
  background: var(--white); border: 1px solid var(--line); scroll-margin-top: 100px;
}
.bfooter[hidden] { display: none; }
.bfooter__head { display: flex; gap: 16px; align-items: flex-start; }
.bfooter__icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; background: var(--accent-soft); color: var(--accent-2); font-size: 20px; font-weight: 700; }
.bfooter__title { font: 500 24px/1.25 var(--serif); color: var(--ink); }
.bfooter__text { color: var(--muted); font-size: 15px; margin-top: 4px; }
.bfooter__submit { justify-self: end; min-width: 220px; }
/* Turnstile invisível: fora do grid para não abrir espaço; volta quando pede um clique */
.bfooter { position: relative; }
.bfooter__captcha:not(.is-interactive) { position: absolute; inset: auto 0 0; height: 0; overflow: hidden; }
.bform > .form__note { margin-top: 4px; }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--muted); cursor: pointer; }
.consent input { width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; accent-color: var(--ink); }
.consent.is-invalid span { color: #dc2626; }
.bform__error { padding: 14px 16px; border-radius: 12px; background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; font-size: 14.5px; }
.bform__error a { color: inherit; font-weight: 600; text-decoration: underline; }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Done */
.bdone {
  text-align: center; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 64px 32px; display: grid; justify-items: center; gap: 14px; outline: none;
}
.bdone[hidden], .bform[hidden], .bform__error[hidden] { display: none; }
.bdone__icon { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-2); font-size: 28px; font-weight: 700; }
.bdone h2, .bdone__title {font: 500 32px/1.2 var(--serif); color: var(--ink); }
.bdone p { color: var(--muted); max-width: 440px; margin-bottom: 12px; }

@media (max-width: 640px) {
  .bhero { padding: 120px 0 64px; }
  .bwrap { padding: 40px 0 90px; }
  .bstep { padding: 26px 20px 28px; }
  .bstep legend { font-size: 21px; }
  .bgrid, .bgrid--3, .uploads { grid-template-columns: 1fr; }
  .bfooter { padding: 26px 20px; }
  .bfooter__title { font-size: 21px; }
  .bstep__next, .bfooter__submit { flex: 1 1 100%; min-width: 0; justify-self: stretch; }
  .bform.is-flow .bstep.is-collapsed .bstep__summary { padding: 14px 16px; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .bform.is-flow .bstep, .bform.is-flow .bfooter { animation: none; }
}