/* ============================================================
   ROMAN CREATIVE STUDIO — LAYOUT
   Container, grid, section rhythm, and utility classes.
   ============================================================ */

/* ── CONTAINER ──────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.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); }

/* ── SECTION SPACING ─────────────────────────────────────── */

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

.section-sm { padding-block: var(--section-sm); }
.section-lg { padding-block: var(--section-lg); }
.section-xl { padding-block: var(--section-xl); }

.section-bg         { background: var(--color-bg); }
.section-bg-subtle  { background: var(--color-bg-subtle); }
.section-bg-muted   { background: var(--color-bg-muted); }
.section-bg-dark    { background: var(--color-bg-dark); color: var(--color-text-inverse); }
.section-bg-brand   { background: var(--color-brand); color: var(--color-text-inverse); }
.section-bg-navy    { background: var(--color-navy-900); color: var(--color-text-inverse); }

/* ── GRID ────────────────────────────────────────────────────── */

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

.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-fill, minmax(240px, 1fr)); }
.grid-auto-md  { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid-auto-lg  { grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); }

/* ── FLEX UTILITIES ───────────────────────────────────────────── */

.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.flex-wrap    { flex-wrap: wrap; }
.items-start  { align-items: flex-start; }
.items-center { align-items: center; }
.items-end    { align-items: flex-end; }
.justify-start  { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end    { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.gap-1  { gap: var(--space-1); }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }
.gap-16 { gap: var(--space-16); }

/* ── SECTION HEADER ───────────────────────────────────────── */

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-header .eyebrow { margin-bottom: var(--space-3); }
.section-header h2 { margin-bottom: var(--space-5); }
.section-header p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.section-header--left { text-align: left; margin-inline: 0; }

/* ── TWO-COLUMN FEATURE LAYOUT ────────────────────────────────── */

.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

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

/* ── STACK UTILITY ────────────────────────────────────────────────── */

.stack     { display: flex; flex-direction: column; }
.stack > * + * { margin-top: var(--space-4); }
.stack-2   > * + * { margin-top: var(--space-2); }
.stack-3   > * + * { margin-top: var(--space-3); }
.stack-6   > * + * { margin-top: var(--space-6); }
.stack-8   > * + * { margin-top: var(--space-8); }

/* ── CENTRED CONTENT ───────────────────────────────────────── */

.text-center { text-align: center; }
.mx-auto     { margin-inline: auto; }
.max-prose   { max-width: 65ch; }
.max-tight   { max-width: 42ch; }

/* ── RESPONSIVE UTILITIES ───────────────────────────────────── */

@media (max-width: 1024px) {
  .feature-split { grid-template-columns: 1fr; }
  .feature-split.reverse { direction: ltr; }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
  .section-header { margin-bottom: var(--space-10); }
}

@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
}