/* ============================================================
   SEIFERT DYNAMICS — Layout Utilities
   ============================================================ */

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.container--narrow {
  max-width: 860px;
}

.container--mid {
  max-width: 1080px;
}

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

.section {
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}

.section--sm {
  padding-top: var(--section-pad-y-sm);
  padding-bottom: var(--section-pad-y-sm);
}

.section--flush-top    { padding-top: 0; }
.section--flush-bottom { padding-bottom: 0; }

/* ── Background Variants ─────────────────────────────────── */

.bg-void      { background-color: var(--bg-void); }
.bg-deep      { background-color: var(--bg-deep); }
.bg-dark      { background-color: var(--bg-dark); }
.bg-graphite  { background-color: var(--bg-graphite); }
.bg-surface   { background-color: var(--bg-surface); }
.bg-light     { background-color: var(--bg-light); }
.bg-white     { background-color: var(--bg-white); }

/* ── Grid Systems ─────────────────────────────────────────── */

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

.grid-auto-fill-260 {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* ── 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; }
.gap-4       { gap: var(--sp-4); }
.gap-6       { gap: var(--sp-6); }
.gap-8       { gap: var(--sp-8); }

/* ── Section Header Block ─────────────────────────────────── */

.section-header {
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
}

.section-header--centered {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-header .eyebrow {
  margin-bottom: var(--sp-4);
  display: block;
}

.section-header .heading-1,
.section-header .heading-2 {
  margin-bottom: var(--sp-5);
}

.section-header .body-lg {
  max-width: 600px;
}

.section-header--centered .body-lg {
  margin-left: auto;
  margin-right: auto;
}

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

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.split--wide-left  { grid-template-columns: 3fr 2fr; }
.split--wide-right { grid-template-columns: 2fr 3fr; }

/* ── Number / Stat ───────────────────────────────────────── */

.stat-block {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 600;
  letter-spacing: var(--ls-snug);
  color: var(--text-bright);
  line-height: 1;
}

.stat-label {
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── Thin line accent ──────────────────────────────────────── */

.line-accent {
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin-bottom: var(--sp-6);
}

.line-accent--dim {
  background: var(--text-dim);
}

/* ── Spacers ─────────────────────────────────────────────── */

.spacer-sm { height: var(--sp-8); }
.spacer-md { height: var(--sp-16); }
.spacer-lg { height: var(--sp-24); }

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

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split, .split--wide-left, .split--wide-right {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
}