/* ============================================================
   JIIVE — INNER PAGES (v3 · gold period)
   Shared building blocks for every page after Home. Loaded after
   css/home.css, which carries the base, header, buttons, rail and
   footer so they stay identical to Home. Every value comes from
   css/tokens.css; see DESIGN.md "Layout" and "Components".
   ============================================================ */

/* ---------- Grid ---------- */
.wrap {
  width: 100%;
  max-width: calc(var(--grid-max-width) + 2 * var(--grid-inline));
  margin: 0 auto;
  padding: 0 var(--grid-inline);
}
.grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr));
  column-gap: var(--grid-gutter);
}

/* ---------- Section rhythm (DESIGN.md "Rhythm") ---------- */
.sec { padding-top: var(--space-section); }
.sec-tight { padding-top: var(--space-section-tight); }
.sec-last { padding-bottom: var(--space-section); }

/* ---------- Type roles ---------- */
.field-label,
.field-label-quiet,
.ledger-head {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: var(--weight-mono);
  font-size: var(--text-field-label);
  letter-spacing: var(--tracking-label);
  line-height: 1;
  text-transform: uppercase;
}
.field-label { color: var(--color-vital-green); }
.field-label-quiet { color: var(--color-text-secondary); }
.sec-head {
  font-size: var(--text-section);
  line-height: var(--leading-head);
  max-width: var(--measure-head);
}
.pull {
  margin: var(--space-lg) 0;
  padding-left: var(--space-lg);
  border-left: var(--size-rule-accent) solid var(--color-vital-green);
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-optical-sizing: auto;
  font-size: var(--text-pull);
  line-height: var(--leading-snug);
  color: var(--color-emerald-ink);
  text-wrap: balance;
}
li { text-wrap: pretty; }
.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;
}

/* ---------- Header: current page ---------- */
.nav-links a[aria-current="page"] { color: var(--color-vital-green); }

/* ---------- Ledger head: ink rule with tick marks, mono label ---------- */
.ledger-head {
  position: relative;
  display: block;
  padding: var(--space-md) 0;
  border-top: var(--size-hairline) solid var(--color-emerald-ink);
  color: var(--color-text-secondary);
  text-align: left;
}
.ledger-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: var(--size-hairline);
  height: var(--size-ledger-tick);
  background: var(--color-emerald-ink);
}

/* ---------- Numbered list (principles) ---------- */
.nlist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: var(--size-hairline) solid var(--color-emerald-ink);
}
.nlist li {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr));
  column-gap: var(--grid-gutter);
  align-items: baseline;
  padding: var(--space-lg) 0;
  border-top: var(--size-hairline) solid var(--color-border);
}
.nlist-num {
  grid-column: 1 / span 2;
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-optical-sizing: auto;
  font-size: var(--text-stat);
  line-height: var(--leading-head);
  letter-spacing: var(--tracking-display);
  font-variant-numeric: tabular-nums;
  color: var(--color-vital-green);
}
.nlist-title {
  grid-column: 3 / span 4;
  font-family: var(--font-body);
  font-weight: var(--weight-strong);
  font-size: var(--text-card-title);
  line-height: var(--leading-snug);
  letter-spacing: 0;
  color: var(--color-emerald-ink);
}
.nlist-line {
  grid-column: 7 / -1;
  margin: 0;
  max-width: var(--measure);
  color: var(--color-text-secondary);
}

/* ---------- Section reveal: one element per section (js/page.js) ----------
   Only elements below the fold at load get .is-pending, so nothing is
   hidden without JS and nothing in view on load ever blinks. */
[data-reveal] {
  transition: opacity var(--dur-500) var(--ease-out), transform var(--dur-500) var(--ease-out);
}
[data-reveal].is-pending {
  opacity: 0;
  transform: translateY(var(--motion-rise));
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .nlist li { grid-template-columns: auto minmax(0, 1fr); row-gap: var(--space-xs); }
  .nlist-num { grid-column: 1; }
  .nlist-title { grid-column: 2; }
  .nlist-line { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { transition: none; }
}