/* ─────────────────────────────────────────────
   NAIK INFRA — Layout
───────────────────────────────────────────── */

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--space-8);
}

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

/* ── Section ── */
.section {
  padding-block: var(--space-32);
}

.section--sm {
  padding-block: var(--space-20);
}

.section--lg {
  padding-block: clamp(var(--space-32), 10vw, 120px);
}

/* ── Grid ── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

/* ── Flex helpers ── */
.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; }

/* ── Spacing helpers ── */
.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); }

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

/* ── Surface variants ── */
.bg-ink      { background-color: var(--ink); }
.bg-surface  { background-color: var(--surface); }
.bg-surface2 { background-color: var(--surface-2); }
.bg-offwhite { background-color: var(--off-white); color: var(--ink); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .container { padding-inline: var(--space-6); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding-inline: var(--space-6); }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .section { padding-block: var(--space-16); }
  .section--lg { padding-block: var(--space-16); }
}

@media (max-width: 480px) {
  .container { padding-inline: var(--space-4); }
  .grid-4 { grid-template-columns: 1fr; }
}