/* ============================================
   Layout — Containers, Seções, Grid
   Mobile-first.
   ============================================ */

/* --- Containers --- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* --- Seções --- */

section {
  padding-block: var(--section-padding-y);
}

/* Seções escuras: padding extra */
.bg-navy {
  background-color: var(--bg-navy);
  color: var(--white);
  padding-block: calc(var(--section-padding-y) + var(--space-lg));
}

.bg-navy h2,
.bg-navy h3,
.bg-navy h4 {
  color: var(--white);
}

.bg-navy .lead {
  color: rgba(255, 255, 255, 0.75);
}

.bg-navy .label {
  color: var(--gold-light);
}

.bg-navy a:not(.btn) {
  color: var(--gold-light);
}

.bg-navy a:not(.btn):hover {
  color: var(--gold);
}

.bg-light {
  background-color: var(--bg-light);
}

.bg-white {
  background-color: var(--bg-white);
}

.bg-warm {
  background-color: var(--bg-warm);
}

/* --- Grid simples --- */

.grid-2 {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 1024px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

/* --- Stack (vertical flex) --- */

.stack {
  display: flex;
  flex-direction: column;
}

.stack-sm { gap: var(--space-sm); }
.stack-md { gap: var(--space-md); }
.stack-lg { gap: var(--space-lg); }

/* --- CTA group --- */

.cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}

@media (min-width: 640px) {
  .cta-group {
    flex-direction: row;
    justify-content: center;
  }
}

/* --- Section header (label + título + lead) --- */

.section-header {
  margin-bottom: var(--space-lg);
}

.section-header .label {
  margin-bottom: var(--space-xs);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}