/* ============================================
   LAYOUT.CSS — True Click SEO
   Container, grid, and layout utilities
   ============================================ */

/* ── Container ───────────────────────────────── */

.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); }
.container--full { max-width: 100%; }

/* ── Section ──────────────────────────────────── */

.section {
  padding-block: var(--section-py);
}

.section--sm {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.section--lg {
  padding-block: clamp(7rem, 14vw, 12rem);
}

/* ── Grid Utilities ───────────────────────────── */

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

.grid-auto-sm {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid-auto-md {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ── Flex Utilities ───────────────────────────── */

.flex          { display: flex; }
.flex-col      { display: flex; flex-direction: column; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.flex-start    { display: flex; align-items: flex-start; }
.items-center  { align-items: center; }
.gap-2  { gap: var(--space-2); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

/* ── Split Layout ──────────────────────────────── */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.split--60-40 {
  grid-template-columns: 60fr 40fr;
}

.split--40-60 {
  grid-template-columns: 40fr 60fr;
}

/* ── Spacing Utilities ───────────────────────── */

.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

/* ── 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 Breakpoints ───────────────────── */

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split  { gap: var(--space-10); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .split, .split--60-40, .split--40-60 {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}