/* Diagnóstico com IA: à esquerda a caixa de desabafo (fundo branco), à
   direita a resposta num painel preto, que se preenche enquanto a IA
   escreve. O amarelo marca só o ponto e os itens. */

#diagnostico { padding: 140px 0; }
.diag__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.diag__ask { display: grid; gap: 18px; }
.diag__ask h2 { margin-top: -8px; font-size: clamp(36px, 4.6vw, 64px); max-width: 14ch; }
.diag__lead { max-width: 46ch; font-size: 18px; }
.diag__form { display: grid; gap: 12px; margin-top: 8px; }
.diag__form textarea {
  width: 100%;
  min-height: 168px;
  padding: 18px 20px;
  border: 0;
  border-radius: 20px;
  background: var(--warm);
  box-shadow: inset 0 0 0 1.5px var(--ink);
  color: var(--ink);
  font: inherit;
  font-size: 17px;
  line-height: 1.5;
  resize: vertical;
}
.diag__form textarea::placeholder { color: color-mix(in srgb, var(--ink) 45%, var(--warm)); }
.diag__form textarea:focus { outline: none; box-shadow: inset 0 0 0 2.5px var(--sun); }
.diag__form textarea[aria-invalid="true"] { box-shadow: inset 0 0 0 2.5px var(--sun); }
.diag__starts { display: flex; flex-wrap: wrap; gap: 8px; }
.diag__start {
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.diag__start:hover { background: var(--hover); box-shadow: inset 0 0 0 1px var(--ink); }
.diag__foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 4px; }
.diag__send[disabled] { opacity: 0.6; cursor: progress; }
.diag__error { font-size: 14px; font-weight: 600; color: var(--ink); }
.diag__error:not(:empty)::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--sun); }
.diag__error:empty { display: none; }
.diag__hint { font-size: 13px; color: var(--ink-soft); }

.diag__answer {
  position: relative;
  min-height: 100%;
  padding: clamp(24px, 3vw, 40px);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--warm);
}
.diag__answer :focus-visible { outline-color: var(--warm); }
.diag__empty { display: grid; gap: 10px; align-content: center; min-height: 320px; max-width: 34ch; color: color-mix(in srgb, var(--warm) 75%, var(--ink)); }
.diag__empty[hidden] { display: none; }
.diag__empty-title { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; color: var(--warm); }
.diag__dot { width: 12px; height: 12px; border-radius: 50%; background: var(--sun); box-shadow: 0 0 14px color-mix(in srgb, var(--sun) 70%, transparent); }
.has-motion .diag__dot { animation: diag-pulse 2.4s ease-in-out infinite; }
@keyframes diag-pulse { 50% { transform: scale(0.7); opacity: 0.6; } }

.diag__text { display: grid; gap: 12px; font-size: 17px; line-height: 1.6; }
.diag__text strong { font-weight: 700; color: var(--warm); }
.diag__text ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.diag__text li { position: relative; padding-left: 20px; }
.diag__text li::before { content: ""; position: absolute; left: 2px; top: 0.62em; width: 7px; height: 7px; border-radius: 50%; background: var(--sun); }
.diag__thinking { color: color-mix(in srgb, var(--warm) 70%, var(--ink)); }
.has-motion .diag__thinking::after { content: ""; display: inline-block; width: 8px; height: 8px; margin-left: 10px; border-radius: 50%; background: var(--sun); animation: diag-pulse 1s ease-in-out infinite; }
.diag__next { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; padding-top: 20px; border-top: 1px solid color-mix(in srgb, var(--warm) 16%, transparent); }
.diag__next[hidden] { display: none; }
.diag__answer .btn { background: var(--warm); color: var(--ink); }
.diag__answer .btn--secondary { background: transparent; color: var(--warm); }

.offer__nudge { margin-top: 28px; font-size: 18px; }
.offer__nudge a { font-weight: 700; text-decoration-color: var(--sun); text-decoration-thickness: 2px; text-underline-offset: 5px; }

@media (max-width: 899px) {
  .diag__inner { grid-template-columns: 1fr; }
  .diag__empty { min-height: 180px; }
}