/* ============================================================
   DUO PRIME — BASE (v2.1)
   Reset mínimo + tipografia + utilitários de layout/grid/fundo.
   Consome só var(--dp-*) de tokens.css — nenhum valor novo aqui.
   Breakpoints do site: 640 / 1024 / 1240 (CLAUDE.md v2.1 §8).
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--dp-offwhite);
  color: var(--dp-navy);
  font-family: var(--dp-font-body);
  font-weight: var(--dp-font-body-weight-regular);
  font-size: var(--dp-text-body);
  line-height: var(--dp-leading-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

h1, h2, h3 {
  font-family: var(--dp-font-display);
  font-weight: var(--dp-font-display-weight);
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--dp-navy);
}
h1 { font-size: var(--dp-text-h1); line-height: var(--dp-leading-h1); }
h2 { font-size: var(--dp-text-h2); line-height: var(--dp-leading-h2); }
h3 { font-size: var(--dp-text-h3); line-height: var(--dp-leading-h3); }
p { margin: 0; }

.container {
  max-width: var(--dp-container-width);
  margin-inline: auto;
  padding-inline: var(--dp-container-pad-mobile);
}
@media (min-width: 1024px) {
  .container { padding-inline: var(--dp-container-pad-desktop); }
}
.prose { max-width: var(--dp-reading-width); }
.prose--center { margin-inline: auto; text-align: center; }
/* Páginas legais (Privacidade/Termos) — corpo de leitura corrida com várias
   seções numeradas em sequência, sem eyebrow entre elas. */
.prose > h2.block__headline { margin-top: 44px; }
.prose > h2.block__headline:first-child { margin-top: 0; }
.prose > .block--list { margin-top: 16px; }
.prose > .block--list li { margin-bottom: 8px; line-height: 1.6; color: var(--dp-graphite); }
.prose > .block--list li:last-child { margin-bottom: 0; }

/* ---------- SEÇÕES / RITMO DE FUNDOS (CLAUDE.md v2.1 §5) ---------- */
.section { padding-block: var(--dp-space-section-mobile); }
@media (min-width: 1024px) { .section { padding-block: var(--dp-space-section-desktop); } }
.section--compact { padding-block: var(--dp-space-section-compact-mobile); }
@media (min-width: 1024px) { .section--compact { padding-block: var(--dp-space-section-compact-desktop); } }

.section--offwhite { background: var(--dp-offwhite); color: var(--dp-navy); }
.section--paper { background: var(--dp-paper); color: var(--dp-navy); }

/* Navy sempre em gradiente, nunca chapado. --navy-deep = variante mais profunda,
   usada quando duas seções navy precisam ficar adjacentes (nunca o mesmo tratamento). */
.section--navy,
[data-theme="dark"] {
  background: linear-gradient(160deg, var(--dp-navy), var(--dp-navy-grad));
  color: var(--dp-offwhite);
}
.section--navy-deep {
  background: linear-gradient(200deg, var(--dp-navy-grad), var(--dp-navy) 70%);
  color: var(--dp-offwhite);
}
.section--navy h1, .section--navy h2, .section--navy h3,
.section--navy-deep h1, .section--navy-deep h2, .section--navy-deep h3,
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3 { color: var(--dp-offwhite); }

/* Eyebrow: gold sobre escuro (5.64:1, passa AA) — sobre claro o gold mede só
   ~2.3:1 (falha AA até pra texto grande), então usamos graphite (7.5:1) no
   claro. Isso resolve uma contradição do próprio CLAUDE.md v2.1: §3.2 pede
   "cor --gold (sobre claro) ou --gold (sobre escuro)", mas §8 exige "contraste
   AA mínimo" e alerta que "gold sobre offwhite só em elementos grandes/
   decorativos" — a régua de AA venceu por ser a regra mais rígida/testável. */
.eyebrow {
  font-size: var(--dp-text-label);
  font-weight: var(--dp-font-body-weight-regular);
  letter-spacing: var(--dp-tracking-label);
  text-transform: uppercase;
  color: var(--dp-graphite);
  margin: 0 0 12px;
}
.section--navy .eyebrow, .section--navy-deep .eyebrow,
[data-theme="dark"] .eyebrow, .eyebrow--light { color: var(--dp-gold); }

/* parágrafos/headlines opcionais somem quando o token não é preenchido pela página */
.cta-block__sub:empty,
.logo-strip__note:empty,
.block__sub:empty,
.cta-block__headline:empty { display: none; }

/* motion — fade-up único no primeiro scroll (CLAUDE.md v2.1 §7) */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dp-transition-reveal), transform var(--dp-transition-reveal);
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; transform: none; opacity: 1; }
}

/* Blur Fade com stagger (magicui/1079, adaptado) — para grids de cards onde cada
   item entra com um pequeno atraso entre si. O delay de cada item vem inline
   via style="transition-delay:Xms" no HTML (v3 P1). */
.reveal-stagger {
  opacity: 0;
  transform: translateY(16px);
  filter: blur(6px);
  transition: opacity var(--dp-transition-reveal), transform var(--dp-transition-reveal), filter var(--dp-transition-reveal);
}
.reveal-stagger.is-visible { opacity: 1; transform: none; filter: blur(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal-stagger { transition: none; transform: none; opacity: 1; filter: none; }
}

/* Hairline dourada sob eyebrows de seções navy — desenha-se (scaleX) quando a
   seção revela (§7: "hairlines podem desenhar-se ao entrar no viewport"). */
.section--navy .eyebrow::after,
.section--navy-deep .eyebrow::after {
  content: ""; display: block; width: 44px; height: 2px; margin-top: 12px;
  background: var(--dp-gold); transform: scaleX(0); transform-origin: left;
  transition: transform 0.6s var(--dp-ease) 0.3s;
}
.section--navy.is-visible .eyebrow::after,
.section--navy-deep.is-visible .eyebrow::after { transform: scaleX(1); }
/* CTA navy é centralizado — hairline centraliza junto */
.cta-block .eyebrow::after { margin-inline: auto; transform-origin: center; }
@media (prefers-reduced-motion: reduce) {
  .section--navy .eyebrow::after, .section--navy-deep .eyebrow::after { transition: none; transform: scaleX(1); }
}

/* hairline dourada "desenhando-se" (scaleX) ao entrar no viewport */
.hairline-draw {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--dp-ease);
}
.hairline-draw.is-visible { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) {
  .hairline-draw { transition: none; transform: scaleX(1); }
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 0; top: -48px;
  background: var(--dp-navy); color: var(--dp-offwhite);
  padding: 12px 20px; z-index: 100;
  transition: top var(--dp-transition-fast);
}
.skip-link:focus { top: 0; }