/* Vitrine do Contabot. Tokens de cor copiados de src/contabot/estatico/contabot.css (marca: docs/marca.md). */
:root {
  color-scheme: light;
  --tinta: #1f1f1f;
  --tinta-suave: #5c5c66;
  --fundo: #ffffff;
  --fundo-claro: #f6f5fa;
  --noite: #120f24;
  --linha: #ececf2;
  --degrade: linear-gradient(117deg, #045bfb 0%, #403ffc 19%, #7a2bfc 29%, #a731fc 38%, #d125f5 48%,
    #ef23d4 57%, #fe23a2 67%, #fe447d 76%, #fe6467 86%, #ff9a6c 100%);
  --degrade-botao: linear-gradient(117deg, #045bfb 0%, #7a2bfc 45%, #d125f5 80%, #ef23d4 100%);
  /* texto branco: variante escura do degradê, ≥ 4,87:1 em todo o trajeto (WCAG 2.1 AA) */
  --degrade-escuro: linear-gradient(117deg, #045bfb 0%, #6a2bf0 30%, #a11fd6 55%, #c4189e 80%, #d0306a 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--tinta); background: var(--fundo);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
img { display: block; }
.largura { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* topo */
.topo { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.88); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linha); }
.topo::before { content: ""; display: block; height: 4px; background: var(--degrade); }
.topo-linha { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.topo-logo img { height: 32px; width: auto; }

/* botões */
.botao { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px;
  border-radius: 14px; background: var(--degrade-escuro); color: #fff; font-weight: 700; font-size: 17px;
  text-decoration: none; box-shadow: 0 8px 22px rgba(122,43,252,.28); transition: transform .12s ease, box-shadow .12s ease; }
.botao:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(122,43,252,.34); }
.botao:focus-visible { outline: 3px solid #7a2bfc; outline-offset: 3px; }
.botao-pequeno { min-height: 40px; padding: 0 18px; font-size: 15px; border-radius: 12px; box-shadow: none; }
.botao-fantasma { background: transparent; color: var(--tinta); border: 1.5px solid #d9d9e3; box-shadow: none; font-weight: 600; }
.botao-fantasma:hover { box-shadow: none; border-color: #b9b9c8; }
.botao-branco { background: #fff; color: #5a1fd6; box-shadow: 0 8px 22px rgba(0,0,0,.18); }

/* selos */
.selo { display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 700;
  letter-spacing: .02em; }
.selo-testes { background: #efe8ff; color: #5a1fd6; }
.selo-breve { background: #fff0e6; color: #a8410f; }

/* hero */
.hero { padding: 56px 0 72px; background:
  radial-gradient(600px 400px at 85% 10%, rgba(209,37,245,.10), transparent 70%),
  radial-gradient(500px 400px at 10% 90%, rgba(4,91,251,.08), transparent 70%); }
.hero-grade { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
h1 { font-size: clamp(34px, 4.6vw, 54px); line-height: 1.08; letter-spacing: -.025em; margin: 18px 0 18px; font-weight: 800; }
/* texto em degradê: só o trecho azul → magenta (≥ 3,9:1 sobre branco); cor sólida se não houver background-clip */
.degrade-texto { color: #7a2bfc; }
@supports (background-clip: text) or (-webkit-background-clip: text) {
  .degrade-texto { background: var(--degrade-botao); -webkit-background-clip: text; background-clip: text; color: transparent; }
}
.hero-sub { font-size: 19px; color: var(--tinta-suave); margin: 0 0 28px; max-width: 34em; }
.hero-acoes { display: flex; flex-wrap: wrap; gap: 12px; }

/* conversa ilustrativa */
.conversa { max-width: 400px; margin-left: auto; background: #efeae2; border-radius: 28px; padding: 0 16px 20px;
  box-shadow: 0 30px 60px rgba(18,15,36,.18), 0 0 0 10px #fff, 0 0 0 11px var(--linha); overflow: hidden; }
.conversa-topo { display: flex; align-items: center; gap: 10px; margin: 0 -16px 14px; padding: 12px 16px;
  background: #fff; border-bottom: 1px solid var(--linha); }
.conversa-topo img { width: 40px; height: auto; }
.conversa-topo strong { display: block; font-size: 15px; }
.conversa-topo span { font-size: 12px; color: var(--tinta-suave); }
.msg { max-width: 82%; padding: 9px 13px; border-radius: 14px; font-size: 15px; line-height: 1.4; margin-bottom: 10px;
  box-shadow: 0 1px 1px rgba(0,0,0,.06); }
.msg-eu { margin-left: auto; background: #e6dcff; border-bottom-right-radius: 4px; }
.msg-bot { background: #fff; border-bottom-left-radius: 4px; }
.msg-ok { display: flex; align-items: center; gap: 8px; }
.msg-ok img { width: 30px; height: auto; }
.cartao-aprovacao { background: #fff; border-radius: 18px; padding: 18px 18px 16px; margin: 4px 0 12px;
  display: flex; flex-direction: column; align-items: center; box-shadow: 0 10px 24px rgba(18,15,36,.12); }
.cartao-mascote { width: 56px; height: auto; }
.cartao-estado { font-size: 12px; font-weight: 600; color: var(--tinta-suave); margin-top: 6px; }
.cartao-valor { font-size: 30px; font-weight: 800; letter-spacing: -.02em; margin: 2px 0 8px; }
.cartao-aprovacao dl { width: 100%; margin: 0 0 12px; }
.cartao-aprovacao dl div { display: flex; justify-content: space-between; padding: 6px 0; border-top: 1px solid var(--linha); font-size: 13px; }
.cartao-aprovacao dt { color: var(--tinta-suave); }
.cartao-aprovacao dd { margin: 0; font-weight: 600; }
.cartao-botao { width: 100%; text-align: center; padding: 11px; border-radius: 12px; background: var(--degrade-escuro);
  color: #fff; font-weight: 700; font-size: 15px; }

/* seções */
.secao { padding: 88px 0; }
.secao-clara { background: var(--fundo-claro); }
h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 12px; font-weight: 800; }
h2 + .cartoes, h2 + .passos { margin-top: 32px; }
h3 { font-size: 19px; margin: 0 0 6px; letter-spacing: -.01em; }
.secao-sub { font-size: 19px; color: var(--tinta-suave); margin: 0 0 40px; max-width: 40em; }

.passos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: passo; }
.passos li { position: relative; padding: 24px 20px; border-radius: 20px; background: var(--fundo-claro); counter-increment: passo; }
.passos li::after { content: counter(passo); position: absolute; top: 18px; right: 20px; font-weight: 800; font-size: 14px; color: #a9a6bd; }
.passos img { width: 64px; height: auto; margin-bottom: 14px; }
.passos p { margin: 0; color: var(--tinta-suave); font-size: 16px; }
.icone-faceid { display: flex; width: 64px; height: 50px; margin-bottom: 14px; align-items: center; justify-content: center;
  border-radius: 14px; background: var(--degrade-botao); color: #fff; }
.icone-faceid svg { width: 32px; height: 32px; }

.cartoes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cartao { background: #fff; border-radius: 20px; padding: 24px 22px; box-shadow: 0 1px 2px rgba(31,31,31,.04), 0 8px 24px rgba(31,31,31,.05); }
.cartao p { margin: 0; color: var(--tinta-suave); font-size: 16px; }
.cartao-icone { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px;
  background: var(--degrade-escuro); color: #fff; font-weight: 800; font-size: 15px; margin-bottom: 14px; }

.secao-escura { background: var(--noite); color: #fff; position: relative; overflow: hidden; }
.secao-escura::before { content: ""; position: absolute; inset: auto -10% -60% 30%; height: 420px;
  background: radial-gradient(closest-side, rgba(209,37,245,.35), transparent); pointer-events: none; }
.secao-escura .secao-sub { color: #bdb8d6; }
.cartoes-escuros { grid-template-columns: repeat(3, 1fr); position: relative; }
.cartoes-escuros .cartao { background: rgba(255,255,255,.06); box-shadow: inset 0 0 0 1px rgba(255,255,255,.10); }
.cartoes-escuros .cartao p { color: #c9c5df; }
.cartoes-escuros .selo { margin-bottom: 14px; }
.cartoes-escuros .selo-testes { background: rgba(167,49,252,.22); color: #e3d4ff; }
.cartoes-escuros .selo-breve { background: rgba(255,154,108,.18); color: #ffd2bb; }

.seguranca { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.lista-seguranca { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.lista-seguranca li { padding: 18px 20px 18px 56px; border-radius: 16px; background: var(--fundo-claro); position: relative; color: var(--tinta-suave); }
.lista-seguranca li::before { content: ""; position: absolute; left: 20px; top: 22px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--degrade-botao); }
.lista-seguranca strong { color: var(--tinta); display: block; }

.chamada { padding-top: 0; }
.chamada-caixa { background: var(--degrade-escuro); border-radius: 28px; padding: 56px 24px; text-align: center; color: #fff;
  display: flex; flex-direction: column; align-items: center; }
.chamada-mascote { width: 120px; height: auto; margin-bottom: 18px; filter: drop-shadow(0 10px 20px rgba(0,0,0,.18));
  background: #fff; border-radius: 28px; padding: 14px; }
.chamada-caixa p { font-size: 19px; margin: 0 0 26px; }

.rodape { border-top: 1px solid var(--linha); padding: 32px 0 48px; }
.rodape-linha { display: flex; gap: 16px; align-items: flex-start; }
.rodape p { margin: 0; font-size: 14px; color: var(--tinta-suave); }

@media (max-width: 900px) {
  .hero { padding-top: 32px; }
  .hero-grade, .seguranca { grid-template-columns: 1fr; gap: 40px; }
  .conversa { margin: 0 auto; }
  .passos, .cartoes { grid-template-columns: 1fr 1fr; }
  .cartoes-escuros { grid-template-columns: 1fr 1fr; }
  .secao { padding: 64px 0; }
}
@media (max-width: 560px) {
  .passos, .cartoes, .cartoes-escuros { grid-template-columns: 1fr; }
  .hero-acoes .botao { width: 100%; }
  .botao-pequeno { padding: 0 14px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .botao { transition: none; } }