/* ============================================
   LAYOUT — Container, Grid, Secciones
   ============================================ */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: 960px;
}

.container--wide {
  max-width: 1440px;
}

/* Secciones */
.section {
  padding: var(--space-4xl) 0;
}

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

.section--dark {
  background-color: #33395b;
  color: var(--privital-white);
}

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

.section--dark p {
  color: var(--acerta-gris-cool);
}

.section--gradient {
  background: var(--privital-gradient);
  color: var(--privital-white);
}

.section--gradient h2,
.section--gradient h3,
.section--gradient p {
  color: var(--privital-white);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section__header h2 {
  margin-bottom: var(--space-md);
}

.section__header p {
  font-size: var(--text-lg);
}

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

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

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

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

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

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

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

/* Responsive Grid */
@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}