/* elucidar.dev — landing mínima. Regras: brand-system/elucidar/04-visual.md + 05-sensory.md.
   Valores de cor/motion vêm de tokens.css — nada hardcoded fora dele. */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-text);
  font-size: var(--font-size-100);
  line-height: var(--line-height-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--line-height-heading);
  margin: 0 0 var(--space-200);
}
h1 { font-size: clamp(var(--font-size-400), 5.5vw, var(--font-size-600)); font-weight: 900; }
h2 { font-size: clamp(var(--font-size-300), 3.4vw, var(--font-size-400)); }
h3 { font-size: var(--font-size-200); }

p { margin: 0 0 var(--space-200); max-width: var(--measure); }

a { color: var(--color-text-accent); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-accent-ui);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ---------- header ---------- */
.site-header { padding: var(--space-300) 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: var(--space-200); }
.site-header .logo img { height: 34px; width: auto; display: block; }
.lang-switch { font-size: 14px; color: var(--color-text-secondary); }
.lang-switch a { color: var(--color-text-secondary); }
.lang-switch [aria-current="true"] { color: var(--color-text); font-weight: 600; }

/* ---------- hero ---------- */
.hero { padding: clamp(56px, 10vw, 128px) 0 clamp(48px, 8vw, 96px); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-600); align-items: center; }
.hero h1 { margin-bottom: var(--space-300); }
.hero h1 em { font-style: normal; position: relative; white-space: nowrap; }
/* o gesto da marca: a palavra "clara" acesa — sublinha dourada, não gradiente em texto */
.hero h1 em::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0.04em;
  height: 0.14em;
  background: var(--gradient-glow);
  border-radius: 2px;
  z-index: -1;
}
.hero .lead { font-size: var(--font-size-200); color: var(--color-text-secondary); margin-bottom: var(--space-400); }
.hero-aside { justify-self: end; text-align: right; }
.hero-aside .pingo { width: clamp(96px, 12vw, 150px); height: auto; }
.hero-aside .por { display: block; margin-top: var(--space-300); font-size: 15px; color: var(--color-text-secondary); }

/* ---------- CTA ---------- */
.cta {
  display: inline-block;
  background: var(--color-accent-vivid);
  color: var(--ink-900);
  font-weight: 600;
  font-size: 17px;
  padding: 14px 28px;
  border-radius: var(--radius-100);
  transition: transform var(--duration-micro) var(--easing-enter),
              box-shadow var(--duration-micro) var(--easing-enter);
}
.cta:hover, .cta:focus-visible {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px -6px var(--gold-500);
}
.cta-note { display: block; margin-top: var(--space-100); font-size: 14px; color: var(--color-text-secondary); }

/* ---------- seções ---------- */
section { padding: clamp(48px, 8vw, 96px) 0; }
.kicker {
  display: block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-accent);
  margin-bottom: var(--space-100);
}

/* serviços: lista numerada assimétrica, não grid de cards iguais */
.services ol { list-style: none; margin: 0; padding: 0; max-width: 820px; }
.services li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: var(--space-300);
  padding: var(--space-400) 0;
}
.services li + li { border-top: 1px solid color-mix(in oklab, var(--color-border) 40%, transparent); }
.services .n {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--font-size-400);
  color: var(--gold-500);
  line-height: 1;
}
.services h3 { margin-bottom: var(--space-100); }
.services p { margin: 0; color: var(--color-text-secondary); }
.services p strong { color: var(--color-text); font-weight: 600; }

/* franqueza: bloco de voz própria, fundo invertido suave */
.franco { background: var(--color-surface); }
.franco .wrap { max-width: 860px; }
.franco blockquote {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(var(--font-size-300), 3vw, var(--font-size-400));
  font-weight: 600;
  line-height: 1.25;
}
.franco blockquote .luz { color: var(--gold-700); }
.franco .apoio { margin-top: var(--space-300); color: var(--color-text-secondary); }

/* cases: duas colunas assimétricas */
.cases .pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-400); max-width: 980px; }
.case {
  background: var(--color-surface);
  border: 1px solid color-mix(in oklab, var(--color-border) 45%, transparent);
  border-radius: var(--radius-100);
  padding: var(--space-400);
}
.case .tag { font-size: 13px; font-weight: 600; color: var(--color-text-accent); }
.case h3 { margin-top: var(--space-100); }
.case p { margin: 0; color: var(--color-text-secondary); font-size: 15px; }

/* quem faz */
.quem .wrap { max-width: 860px; }
.quem .cred { color: var(--color-text-secondary); }

/* ---------- footer ---------- */
.site-footer { padding: var(--space-800) 0 var(--space-600); border-top: 1px solid color-mix(in oklab, var(--color-border) 40%, transparent); }
.site-footer .assinatura img { height: 72px; width: auto; }
.site-footer .carimbo { margin-top: var(--space-300); font-weight: 600; }
.site-footer .links { margin-top: var(--space-200); font-size: 14px; color: var(--color-text-secondary); }
.site-footer .links a { color: var(--color-text-secondary); }
.site-footer .links span[aria-hidden] { margin: 0 8px; }

/* ---------- motion "acender" (entrada única, respeita reduced-motion) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .acende { opacity: 0; transform: translateY(12px); animation: acender var(--duration-max) var(--easing-enter) forwards; }
  .acende.d1 { animation-delay: 80ms; }
  .acende.d2 { animation-delay: 160ms; }
  @keyframes acender { to { opacity: 1; transform: none; } }
}

/* ---------- responsivo ---------- */
@media (max-width: 820px) {
  .wrap { padding: 0 20px; }
  .hero .wrap { grid-template-columns: 1fr; gap: var(--space-400); }
  .hero-aside { justify-self: start; text-align: left; display: flex; align-items: center; gap: var(--space-300); }
  .hero-aside .pingo { width: 64px; }
  .hero-aside .por { margin-top: 0; }
  .services li { grid-template-columns: 48px 1fr; gap: var(--space-200); }
  .cases .pair { grid-template-columns: 1fr; }
}