/* Stats hub design system. Extends site/style.css variables. */
.stats-wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px 72px; }

.stats-banner { margin: 26px 0 34px; }
.stats-banner h1 { font-size: 30px; line-height: 1.15; margin: 0 0 8px; letter-spacing: -0.01em; text-wrap: balance; }
.stats-banner p { color: var(--ink-2); margin: 0 0 18px; max-width: 60ch; }
.stats-figs { display: flex; flex-wrap: wrap; gap: 10px 26px; }
.stats-fig { display: flex; flex-direction: column; }
.stats-fig .v { font-size: 25px; font-weight: 650; line-height: 1.1; }
.stats-fig .k { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); margin-top: 2px; }

.stats-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-top: 26px; }
.stats-card { display: block; text-decoration: none; color: inherit; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; padding: 18px 18px 16px; transition: border-color .15s ease, transform .15s ease; }
.stats-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.stats-card h2 { font-size: 17px; margin: 0 0 6px; }
.stats-card p { font-size: 13.5px; color: var(--ink-2); margin: 0; line-height: 1.45; }
.stats-card.soon { pointer-events: none; opacity: 0.55; }
.stats-card .soon-tag { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--ink-3); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; margin-top: 10px; }

/* Story-page scaffolding (used by Task 3 + later slices). */
.story-head { margin: 22px 0 8px; max-width: 68ch; }
.story-head h1 { font-size: 28px; line-height: 1.15; margin: 0 0 10px; letter-spacing: -0.01em; text-wrap: balance; }
.story-lede { color: var(--ink-2); font-size: 15px; line-height: 1.5; margin: 0 0 4px; }
.story-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 22px 0 10px; }
.control-hint { font-size: 12.5px; color: var(--ink-3); }
.chart-box { width: 100%; min-height: 300px; }
.chart-box figure { margin: 0; }
.chart-box svg { max-width: 100%; height: auto; }
.chart-note { font-size: 12.5px; color: var(--ink-3); margin: 10px 2px 0; max-width: 68ch; }
.story-nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; margin: 0 0 6px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Model-compare controls (wear-curve and later story slices). */
#model-q {
  border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--ink);
  font: inherit; font-size: 13.5px; padding: 8px 12px; min-width: 200px; flex: 1 1 200px; max-width: 280px;
}
#model-q::placeholder { color: var(--ink-2); }
#picked { display: flex; gap: 8px; flex-wrap: wrap; }
.pick-chip {
  --chip-colour: var(--accent);
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--chip-colour); color: var(--ink); background: var(--card);
  border-radius: 999px; padding: 6px 11px 6px 14px; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
  transition: background-color .15s ease;
}
.pick-chip:hover, .pick-chip:focus-visible { background: var(--paper); }
.pick-chip .pick-x { color: var(--ink-3); font-size: 15px; line-height: 1; }
.pick-chip:hover .pick-x, .pick-chip:focus-visible .pick-x { color: var(--ink); }
@media (prefers-reduced-motion: reduce) { .pick-chip { transition: none; } }

@media (max-width: 560px) {
  .stats-banner h1 { font-size: 25px; }
  .stats-fig .v { font-size: 21px; }
  .stats-figs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; }
  #model-q { max-width: none; flex-basis: 100%; }
}