/* ═══════════════════════════════════════════════════════════
   Cymela — Layout Utilities
   Container, grid, flex, and responsive helpers
   ═══════════════════════════════════════════════════════════ */

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

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

/* ─── Section ─── */
.section {
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
}

.section--flush {
  padding: 0;
}

/* ─── Grid System ─── */
.grid {
  display: grid;
  gap: var(--space-5);
}

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

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

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

.grid--5 {
  grid-template-columns: repeat(5, 1fr);
}

/* ─── Bordered Grid (Prime Intellect style) ─── */
.grid-bordered {
  display: grid;
  gap: 0;
  border: 1px solid var(--border);
}

.grid-bordered > * {
  padding: var(--space-5);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.grid-bordered > *:last-child {
  border-right: none;
}

/* ─── 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 {
  display: flex;
  flex-direction: column;
}

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

.flex--gap-1 { gap: var(--space-1); }
.flex--gap-2 { gap: var(--space-2); }
.flex--gap-3 { gap: var(--space-3); }
.flex--gap-4 { gap: var(--space-4); }
.flex--gap-5 { gap: var(--space-5); }
.flex--gap-8 { gap: var(--space-8); }

/* ─── Aspect Ratios ─── */
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-4-3 { aspect-ratio: 4 / 3; }

/* ─── Visibility ─── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--5 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .grid--2,
  .grid--3,
  .grid--4,
  .grid--5 {
    grid-template-columns: 1fr;
  }

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

  .grid-bordered > * {
    border-right: none;
  }

  /* Stack on mobile */
  .md\:flex--col {
    flex-direction: column;
  }

  .md\:hidden {
    display: none !important;
  }
}

@media (min-width: 769px) {
  .md\:show {
    display: block;
  }
}

@media (max-width: 640px) {
  .sm\:hidden {
    display: none !important;
  }
}