/* ==========================================================================
   ESSARDAS GROUP — LAYOUT
   Containers, the 12/6/4 grid, section rhythm, dark/light section system.
   ========================================================================== */

/* ---- Container ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--maxw-narrow); }
.measure { max-width: var(--maxw-text); }

/* ---- Sections — vertical rhythm + dark/light rhythm -------------------- */
.section {
  position: relative;
  padding-block: var(--section-pad);
}
.section--flush { padding-block: 0; }
.section--tight { padding-block: clamp(2.5rem, 5vw, 5rem); }

/* Dark (obsidian) — story / hero moments */
.section--obsidian {
  background: var(--obsidian);
  color: var(--chalk);
}
.section--onyx {
  background: var(--onyx);
  color: var(--chalk);
}
/* Light (bone/ivory) — product, brand walls, dense info */
.section--bone {
  background: var(--bone);
  color: var(--ink);
}
.section--ivory {
  background: var(--ivory);
  color: var(--ink);
}

/* Text-colour helpers within sections */
.on-dark  { color: var(--chalk); }
.on-light { color: var(--ink); }

/* ---- Grid --------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--gutter);
  grid-template-columns: repeat(12, 1fr);
}
@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(6, 1fr); }
}
@media (max-width: 768px) {
  .grid { grid-template-columns: repeat(4, 1fr); }
}

/* Common spans (desktop) */
.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-5  { grid-column: span 5; }
.col-6  { grid-column: span 6; }
.col-7  { grid-column: span 7; }
.col-8  { grid-column: span 8; }
.col-12 { grid-column: 1 / -1; }

@media (max-width: 1024px) {
  .col-3, .col-4 { grid-column: span 3; }
  .col-5, .col-6, .col-7, .col-8 { grid-column: span 6; }
}
@media (max-width: 768px) {
  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8 { grid-column: 1 / -1; }
}

/* ---- Flex helpers ------------------------------------------------------- */
.cluster { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }
.stack > * + * { margin-top: var(--space-3); }
.stack-lg > * + * { margin-top: var(--space-6); }
.center-x { display: flex; justify-content: center; }

/* ---- Full-bleed media frame -------------------------------------------- */
.bleed { width: 100vw; margin-left: 50%; transform: translateX(-50%); }

/* ---- Spacing utilities -------------------------------------------------- */
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-6 { margin-bottom: var(--space-6); }

/* Main content offset for fixed header on inner pages */
.page-offset { padding-top: var(--header-h); }
@media (max-width: 768px) {
  .page-offset { padding-top: var(--header-h-mobile); }
}