/* ============================================
   Layout — Containers, grids, seções, animações de scroll
   ============================================ */

.container {
  width: min(100% - 3rem, var(--container));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - 3rem, var(--container-narrow));
}

.container--wide {
  width: min(100% - 3rem, var(--container-wide));
}

/* === Seções === */
.section {
  position: relative;
  padding-block: var(--sp-9);
}

.section--stats {
  padding-block: var(--sp-8) var(--sp-9);
}

/* === Cabeçalho de seção === */
.section__head {
  max-width: 720px;
  margin-bottom: var(--sp-8);
}

.section__head--center {
  margin-inline: auto;
  text-align: center;
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--sp-4);
  padding: 0.375rem 0.875rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-cyan-soft);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: var(--radius-full);
}

.section__eyebrow--light {
  color: var(--c-violet-soft);
  background: rgba(124, 77, 255, 0.1);
  border-color: rgba(124, 77, 255, 0.3);
}

.section__title {
  font-family: var(--ff-display);
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  color: var(--c-text);
  margin-bottom: var(--sp-4);
}

.section__desc {
  font-size: var(--fs-md);
  color: var(--c-text-secondary);
  line-height: var(--lh-relaxed);
}

/* === Grids de cards === */
.cards-grid {
  display: grid;
  gap: var(--sp-5);
}

.cards-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.cards-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* === Animações de scroll (Intersection Observer) === */
/* Oculta somente quando JS está ativo — conteúdo nunca fica invisível
   para crawlers, usuários sem JS ou antes do script carregar. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.js [data-reveal="left"] {
  transform: translateX(-32px);
}

.js [data-reveal="right"] {
  transform: translateX(32px);
}

.js [data-reveal="scale"] {
  transform: scale(0.94);
}

.js [data-reveal="left"].is-revealed,
.js [data-reveal="right"].is-revealed,
.js [data-reveal="scale"].is-revealed {
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}