/* ==========================================================================
   layout.css — Contenedor, grid, secciones, utilidades de layout
   ========================================================================== */

/* --- Contenedor principal ------------------------------------------------ */

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

.container--sm {
  max-width: var(--container-sm);
}

.container--md {
  max-width: var(--container-md);
}

.container--lg {
  max-width: var(--container-lg);
}

.container--2xl {
  max-width: var(--container-2xl);
}

/* --- Secciones ----------------------------------------------------------- */
/* Cada seccion tiene padding vertical generoso y posicion relativa
   para efectos decorativos (pseudo-elementos, orbs, etc.) */

.section {
  position: relative;
  padding-block: var(--space-20);
  overflow: hidden;
}

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

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

/* Cabecera de seccion: titulo + subtitulo centrados */
.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__header h2 {
  margin-bottom: var(--space-4);
}

.section__header .section-subtitle {
  margin-top: var(--space-4);
}

/* Rendimiento: las secciones debajo del fold no se pintan hasta que
   esten cerca del viewport */
.section--lazy {
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

/* --- Grid utilities ------------------------------------------------------ */
/* Grids responsivas que se ajustan con media queries en responsive.css.
   Aqui definimos la base mobile (1 columna). */

.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

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

/* Gap variantes */
.grid--gap-sm {
  gap: var(--space-4);
}

.grid--gap-lg {
  gap: var(--space-8);
}

.grid--gap-xl {
  gap: var(--space-12);
}

/* Alineacion de items */
.grid--center {
  align-items: center;
}

.grid--start {
  align-items: start;
}

.grid--stretch {
  align-items: stretch;
}

/* --- Flex utilities ------------------------------------------------------ */

.flex {
  display: flex;
}

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

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

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

.flex--between {
  justify-content: space-between;
}

.flex--start {
  align-items: flex-start;
}

.flex--end {
  justify-content: flex-end;
}

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

.flex--gap-sm {
  gap: var(--space-2);
}

.flex--gap {
  gap: var(--space-4);
}

.flex--gap-md {
  gap: var(--space-6);
}

.flex--gap-lg {
  gap: var(--space-8);
}

.flex--gap-xl {
  gap: var(--space-12);
}

/* --- Utilidades de espaciado --------------------------------------------- */

.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.mx-auto { margin-inline: auto; }

.w-full { width: 100%; }

.relative { position: relative; }

/* --- Separador decorativo entre secciones -------------------------------- */

.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-border) 20%,
    var(--color-primary) 50%,
    var(--color-border) 80%,
    transparent 100%
  );
  border: none;
  margin: 0;
}