/* Layout — container, grid, sections */

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

.container--narrow {
  max-width: 820px;
}

/* Section padding */
.section {
  padding-block: var(--space-20);
}

.section--sm {
  padding-block: var(--space-12);
}

.section--lg {
  padding-block: var(--space-32);
}

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

.section--bg-dark {
  background-color: var(--color-azul-rey-dark);
  color: var(--color-blanco);
}

.section--bg-dark h2,
.section--bg-dark h3,
.section--bg-dark h4 {
  color: var(--color-blanco);
}

.section--bg-accent {
  background-color: var(--color-verde-academia);
  color: var(--color-blanco);
}

.section--bg-accent h2,
.section--bg-accent h3 {
  color: var(--color-blanco);
}

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

/* Section header */
.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-header p {
  max-width: 100%;
  color: var(--color-text-muted);
  font-size: var(--fs-lg);
  margin-top: var(--space-4);
}

.section-header--left {
  text-align: left;
  margin-inline: 0;
}

/* 2-column grid */
.grid-2 {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}

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

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

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

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* 4-column grid */
.grid-4 {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr 1fr;
}

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

/* Asymmetric 2-col */
.grid-60-40 {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 1024px) {
  .grid-60-40 { grid-template-columns: 1.5fr 1fr; }
}

.grid-40-60 {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 1024px) {
  .grid-40-60 { grid-template-columns: 1fr 1.5fr; }
}

/* Flex utilities */
.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-wrap { flex-wrap: wrap; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }