/* ============================================================
   LAYOUT.CSS — Grid, containers, section wrappers
   ============================================================ */

/* --- Container ----------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (min-width: 1400px) {
  .container { max-width: var(--container-wide); }
}

.container-wide {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container-narrow {
  max-width: 800px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (min-width: 768px) {
  .container,
  .container-wide,
  .container-narrow {
    padding-inline: var(--space-8);
  }
}

/* --- Sections ----------------------------------------------- */
.section {
  padding-block: var(--section-py);
  position: relative;
}

.section--light  { background-color: var(--color-surface); }
.section--alt    { background-color: var(--color-surface-alt); }
.section--dark   { background-color: var(--color-surface-dark); color: var(--color-text-inverse); }
.section--primary { background-color: var(--color-primary); color: var(--color-text-inverse); }
.section--accent  { background-color: var(--color-accent); color: var(--color-text-inverse); }
.section--gradient {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: var(--color-text-inverse);
}

/* --- Section Header (titulo centralizado) ------------------- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header__label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  padding: var(--space-1) var(--space-4);
  background: rgba(230, 126, 34, 0.1);
  border-radius: var(--radius-full);
}

.section--dark .section-header__label,
.section--primary .section-header__label {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
}

.section-header__title {
  margin-bottom: var(--space-4);
  font-family: var(--font-heading);
}

.section-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-inline: auto;
}

.section--dark .section-header__subtitle,
.section--primary .section-header__subtitle,
.section--gradient .section-header__subtitle {
  color: rgba(255,255,255,0.8);
}

/* --- Grid de 2/3/4 colunas ---------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Flex helpers ------------------------------------------- */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* --- Spacers ----------------------------------------------- */
.spacer-sm { height: var(--space-8); }
.spacer-md { height: var(--space-12); }
.spacer-lg { height: var(--space-20); }