/* ==========================================================================
   LAYOUT — Contenedores, grids y estructura global
   ========================================================================== */

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

/* ---- Secciones ---- */
.section {
  padding-block: var(--space-4xl);
}

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

.section--surface {
  background-color: var(--color-surface);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__title {
  margin-bottom: var(--space-sm);
}

.section__subtitle {
  font-size: var(--fs-md);
  color: var(--color-text-light);
  max-width: 600px;
  margin-inline: auto;
}

/* ---- Grid genérica ---- */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }

/* ---- Flex utilidades ---- */
.flex {
  display: flex;
}

.flex--center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex--between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.flex--wrap {
  flex-wrap: wrap;
}

.gap-xs  { gap: var(--space-xs); }
.gap-sm  { gap: var(--space-sm); }
.gap-md  { gap: var(--space-md); }
.gap-lg  { gap: var(--space-lg); }
.gap-xl  { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }