/* LARÔ.IA — design tokens e estilos compartilhados
   Usado por index.html, diagnostico.html e demonstrativo_obra.html.
   Os valores aqui são a fonte única de verdade; o tailwind.config de cada
   página só referencia essas variáveis (var(--color-...) etc.), nunca hex direto. */

:root {
  /* Superfícies */
  --color-surface-base: #0b0b0b;
  --color-surface-raised: #141414;
  --color-surface-overlay: #1a1a1a;

  /* Bordas */
  --color-border-subtle: #1f1f1f;
  --color-border-default: #2f2f2f;

  /* Texto */
  --color-text-primary: #f5f3ef;
  --color-text-secondary: #9a9890;
  --color-text-tertiary: #67655e;

  /* Marca */
  --color-brand-accent: #b08d4f;
  --color-brand-accent-hover: #8f7140;
  --color-brand-sand: #d0d3c8;
  --color-brand-green: #2ecc71;
  --color-brand-yellow: #e8b02c;

  /* Tipografia */
  --font-display: "Sora", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Raio */
  --radius-card: 18px;
  --radius-card-sm: 10px;
  --radius-pill: 100px;
}

body { -webkit-font-smoothing: antialiased; }

/* Animação de entrada ao rolar (todas as páginas) */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .06s; }
.reveal-delay-2 { transition-delay: .12s; }
#nav.scrolled { border-color: var(--color-border-subtle); }

/* Accordion "o problema" (index.html) */
.problema-item { transition: border-color .25s ease; cursor: pointer; }
.problema-item:hover { border-color: var(--color-brand-accent); }
.problema-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.problema-item.open .problema-a,
.problema-item:hover .problema-a { max-height: 240px; }
.problema-toggle { transition: transform .25s ease; cursor: pointer; }
.problema-item.open .problema-toggle,
.problema-item:hover .problema-toggle { transform: rotate(45deg); }

/* Accordion FAQ (index.html) */
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item.open .faq-a { max-height: 200px; }
.faq-toggle { transition: transform .25s ease; }
.faq-item.open .faq-toggle { transform: rotate(45deg); }

/* Campos de formulário (diagnostico.html) */
input, select, textarea {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-default);
  color: var(--color-text-primary);
  border-radius: var(--radius-card-sm);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  width: 100%;
  transition: border-color .2s ease;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--color-brand-accent); }
input::placeholder, textarea::placeholder { color: var(--color-text-tertiary); }
label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 0.5rem;
}

/* Simulação clicável (demonstrativo_obra.html) */
.chip { transition: all .2s ease; }
.step-line { background: linear-gradient(180deg, var(--color-border-default) 0%, var(--color-border-default) 100%); }
.agent-bubble { animation: fadeIn .35s ease both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.check-done { text-decoration: line-through; color: var(--color-text-tertiary); }
input[type=checkbox].sim-check { accent-color: var(--color-brand-accent); width: 18px; height: 18px; }