/* === CONTENEDORES === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: 800px;
}

/* === GRID === */
.grid {
  display: grid;
  gap: var(--grid-gap);
}

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

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

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

/* === SECCIONES === */
.section {
  padding: var(--space-8) 0;
}

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

.section--dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-h2);
  font-weight: 700;
  letter-spacing: var(--letter-spacing-heading);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.section--dark .section-title {
  color: var(--color-white);
}

.section-subtitle {
  font-family: var(--font-serif);
  font-size: var(--font-size-body);
  font-weight: 400;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section--dark .section-subtitle {
  color: var(--color-blue-100);
}

/* === 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-col {
  flex-direction: column;
}

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

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* === TEXT === */
.text-center { text-align: center; }
.text-right { text-align: right; }

/* === VISIBILITY === */
.hide-mobile { display: none; }
.show-mobile { display: block; }

/* === RESPONSIVE === */
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .hide-mobile { display: block; }
  .show-mobile { display: none; }
}

@media (min-width: 1200px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}