/* layout.css — Estructuras de layout compartidas */
/* Mobile-first. No define componentes visuales (ver components.css). */

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

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

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

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

/* === Stack vertical === */
.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* === Cluster horizontal con wrap === */
.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

/* === Grids === */
.grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

.grid-2,
.grid-3 {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

/* === Dos columnas: imagen + texto, formulario + info === */
.two-column {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
  align-items: center;
}

/* === Estructura general de página === */
.page-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-shell > main {
  flex: 1;
}

/* === Anchos de contenido === */
.content-narrow {
  max-width: 700px;
  margin-inline: auto;
}

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

/* === Utilidades de alineación === */
.text-center { text-align: center; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* === Responsive: mediano en adelante === */
@media (min-width: 640px) {
  .container {
    padding-inline: var(--space-lg);
  }

  .two-column {
    grid-template-columns: 1fr 1fr;
  }
}

/* === Responsive: grande en adelante === */
@media (min-width: 1024px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

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