/* ============================================================
   CallD.AI — Layout System
   Container, grids, section spacing, responsive helpers
   ============================================================ */

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--content-pad);
}

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

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

/* ── Sections ── */
.section {
  padding-block: var(--section-pad);
}

.section--sm {
  padding-block: calc(var(--section-pad) * 0.6);
}

.section--lg {
  padding-block: calc(var(--section-pad) * 1.3);
}

/* Section backgrounds */
.section--cream   { background-color: var(--c-cream); }
.section--white   { background-color: var(--c-white); }
.section--warm    { background-color: var(--c-warm-bg); }
.section--dark    { background-color: var(--c-ink); color: var(--c-cream); }
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--c-cream); }
.section--dark p  { color: rgba(245, 240, 235, 0.75); }
.section--dark .section-label { color: var(--c-teal); }
.section--dark .section-label::before,
.section--dark .section-label::after { background-color: var(--c-teal); }

.section--green {
  background-color: var(--c-green);
  color: var(--c-cream);
}
.section--green h1,
.section--green h2,
.section--green h3 { color: var(--c-white); }
.section--green p  { color: rgba(255, 255, 255, 0.8); }

/* ── Grid System ── */
.grid {
  display: grid;
  gap: var(--sp-8);
}

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

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

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

/* Auto-fill responsive grid */
.grid--auto {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.grid--auto-sm {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

/* Two-column layout: content left, visual right (MT pattern) */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

/* Asymmetric split: wider left */
.split--wide-left {
  grid-template-columns: 1.3fr 1fr;
}

/* Asymmetric split: wider right */
.split--wide-right {
  grid-template-columns: 1fr 1.3fr;
}

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

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

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

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

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

.justify-center {
  justify-content: center;
}

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

.gap-2  { gap: var(--sp-2); }
.gap-3  { gap: var(--sp-3); }
.gap-4  { gap: var(--sp-4); }
.gap-6  { gap: var(--sp-6); }
.gap-8  { gap: var(--sp-8); }
.gap-12 { gap: var(--sp-12); }

/* ── Text alignment ── */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

/* Center children (for hero sections etc.) */
.stack-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stack-center > p {
  max-width: 55ch;
}

/* ── Responsive ── */

/* Tablet and below: collapse grids to 1-2 cols */
@media (max-width: 900px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .split--wide-left,
  .split--wide-right {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }

  .split--reverse {
    direction: ltr;
  }
}

/* Mobile: single column everything */
@media (max-width: 600px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

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

/* ── Visibility helpers ── */
.mobile-only { display: none !important; }

@media (max-width: 600px) {
  .mobile-only { display: block !important; }
  .mobile-hide { display: none !important; }
}