/* ============================================================
   Component · Stat Counter   "By the Numbers"
   Mono, right-aligned for the satisfying digit-roll on count-up.
   Triggers when section crosses viewport midpoint.
   ============================================================ */

.stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid color-mix(in srgb, var(--color-white) 18%, transparent);
}
@media (min-width: 640px)  { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .stats { grid-template-columns: repeat(4, 1fr); } }

.stat {
  position: relative;
  padding: var(--space-xl) var(--space-md);
  border-bottom: 1px solid color-mix(in srgb, var(--color-white) 18%, transparent);
}
@media (min-width: 640px) {
  .stat { border-right: 1px solid color-mix(in srgb, var(--color-white) 18%, transparent); }
  .stat:nth-child(even) { border-right: none; }
}
@media (min-width: 1024px) {
  .stat { border-bottom: none; border-right: 1px solid color-mix(in srgb, var(--color-white) 18%, transparent); }
  .stat:nth-child(even) { border-right: 1px solid color-mix(in srgb, var(--color-white) 18%, transparent); }
  .stat:last-child { border-right: none; }
}

.stat__index {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-md);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: color-mix(in srgb, var(--color-white) 40%, transparent);
}

.stat__value {
  display: flex;
  align-items: baseline;
  gap: 0.2em;
  margin-top: var(--space-xl);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: clamp(2.5rem, 2rem + 3vw, 4.5rem);
  color: var(--color-white);
  line-height: 1;
  text-align: right;
  justify-content: flex-end;
}
.stat__suffix {
  font-size: 0.45em;
  color: var(--color-accent);
}

.stat__label {
  margin-top: var(--space-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-white);
}

.stat__detail {
  margin-top: var(--space-xs);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-white) 55%, transparent);
  max-width: 30ch;
  line-height: 1.5;
}

.stat__tbd {
  display: inline-block;
  margin-left: var(--space-sm);
  padding: 2px 6px;
  border: 1px solid color-mix(in srgb, var(--color-white) 30%, transparent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: color-mix(in srgb, var(--color-white) 50%, transparent);
  vertical-align: middle;
}

/* Reveal comes from the generic [data-reveal]/[data-stagger] system.
   Microinteraction: the index ticks to accent on hover. */
.stat__index { transition: color var(--duration-fast) var(--ease-out); }
.stat:hover .stat__index { color: var(--color-accent); }

/* ============================================================
   Stat card — CAD viewport treatment (components/card-cad.css)
   The readout takes the free top-right corner, mirroring the
   fixed index in the top-left: one static field, one live.
   ============================================================ */
.stat {
  --cad-read-top: var(--space-sm);
  --cad-read-right: var(--space-md);
  --cad-inset: 8px;
  --cad-edge: color-mix(in srgb, var(--color-accent) 75%, transparent);
}
/* Lift the content over the overlay. Split in two because
   .stat__index is absolutely placed and must keep its own
   positioning — only its stacking order changes. */
.stat > *:not(.cad) { z-index: 2; }
.stat > *:not(.cad):not(.stat__index) { position: relative; }

/* A rule sweeps across the top edge, the way a value being read
   off a drawing gets underlined. */
.stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--duration-normal) var(--ease-out);
  z-index: 1;
}
.stat:hover::before { transform: scaleX(1); }

.stat__value,
.stat__suffix { transition: color var(--duration-normal) var(--ease-out); }
.stat:hover .stat__suffix { color: color-mix(in srgb, var(--color-accent) 80%, var(--color-white)); }

@media (prefers-reduced-motion: reduce) {
  .stat::before { transition: none; }
}