/* About — provenance, lineage, people, trust
   ─────────────────────────────────────────────────────────── */

.about-hero__inner { max-width: 52rem; }

.about-hero__lede {
  margin-top: 1.25rem;
  max-width: 46ch;
}

.about-hero__ctas { margin-top: 1.75rem; }

.text-link {
  color: var(--copper-ink);
  border-bottom: 1px solid color-mix(in srgb, var(--copper) 55%, transparent);
  padding-bottom: 1px;
}
.text-link:hover { color: var(--copper); }

.about-origin {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

@media (max-width: 800px) {
  .about-origin { grid-template-columns: 1fr; }
}

.about-origin__lede { max-width: 48ch; margin-bottom: 1rem; }

.about-verify {
  margin-top: 1.5rem;
  color: var(--steel);
  letter-spacing: 0.06em;
  text-transform: none;
  font-size: 0.72rem;
  line-height: 1.7;
  max-width: 52ch;
}
.about-verify a {
  color: var(--copper-ink);
  border-bottom: 1px solid color-mix(in srgb, var(--copper) 40%, transparent);
}

/* ── Lineage rail (signature) ─────────────────────────────── */
.about-lineage__lede {
  margin-top: 1rem;
  color: color-mix(in srgb, var(--chalk) 68%, transparent);
  max-width: 46ch;
}

.lineage-rail {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border: 1px solid color-mix(in srgb, var(--chalk) 14%, transparent);
  background: color-mix(in srgb, var(--chalk) 10%, transparent);
  position: relative;
}

.lineage-rail::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--copper), transparent 85%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s var(--ease-out);
  z-index: 2;
}

.lineage-rail.is-built::before { transform: scaleX(1); }

@media (max-width: 1100px) {
  .lineage-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .lineage-rail {
    grid-template-columns: 1fr;
    border: none;
    background: transparent;
    gap: 0;
    padding-left: 1.1rem;
    border-left: 1px solid color-mix(in srgb, var(--chalk) 18%, transparent);
  }
  .lineage-rail::before {
    left: -1px;
    width: 2px;
    height: 100%;
    top: 0;
    right: auto;
    background: linear-gradient(180deg, var(--copper), transparent 90%);
    transform: scaleY(0);
    transform-origin: top;
  }
  .lineage-rail.is-built::before { transform: scaleY(1); }
}

.lineage-rail__step {
  background: var(--bath-elev);
  padding: 1.35rem 1.25rem 1.5rem;
  border-right: 1px solid color-mix(in srgb, var(--chalk) 10%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--chalk) 10%, transparent);
  min-height: 9.5rem;
  /* Visible by default (JS-off). Enhancement dims until .is-on. */
  opacity: 1;
  transform: none;
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out), background 0.4s;
}

.lineage-rail.is-enhance .lineage-rail__step:not(.is-on) {
  opacity: 0.35;
  transform: translateY(10px);
}

.lineage-rail__step:nth-child(3n) { border-right: none; }
.lineage-rail__step:nth-last-child(-n+3) { border-bottom: none; }

@media (max-width: 1100px) {
  .lineage-rail__step:nth-child(3n) { border-right: 1px solid color-mix(in srgb, var(--chalk) 10%, transparent); }
  .lineage-rail__step:nth-child(2n) { border-right: none; }
  .lineage-rail__step:nth-last-child(-n+3) { border-bottom: 1px solid color-mix(in srgb, var(--chalk) 10%, transparent); }
  .lineage-rail__step:nth-last-child(-n+2) { border-bottom: none; }
}

@media (max-width: 640px) {
  .lineage-rail__step {
    border: none;
    border-bottom: 1px solid color-mix(in srgb, var(--chalk) 10%, transparent);
    min-height: 0;
    margin-bottom: 0.25rem;
    position: relative;
  }
  .lineage-rail__step::before {
    content: "";
    position: absolute;
    left: -1.35rem;
    top: 1.55rem;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--chalk) 25%, transparent);
    transition: background 0.4s;
  }
  .lineage-rail__step.is-on::before { background: var(--copper); }
}

.lineage-rail__step.is-on {
  opacity: 1;
  transform: none;
  background: color-mix(in srgb, var(--bath-elev) 70%, #1c242e);
}

.lineage-rail__num {
  color: var(--copper);
  display: block;
  margin-bottom: 0.55rem;
}

.lineage-rail__step h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--chalk);
  margin-bottom: 0.4rem;
}

.lineage-rail__step p {
  color: color-mix(in srgb, var(--chalk) 64%, transparent);
  font-size: 0.9rem;
  max-width: 28ch;
}

@media (prefers-reduced-motion: reduce) {
  .lineage-rail__step {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .lineage-rail::before { transform: none; }
}

/* ── People ───────────────────────────────────────────────── */
.people-panel {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, var(--paper), var(--chalk));
}

@media (max-width: 800px) {
  .people-panel { grid-template-columns: 1fr; }
}

.people-panel__status {
  color: var(--copper-ink);
  margin-bottom: 0.85rem;
}

.people-panel__lede { max-width: 48ch; margin-bottom: 0.85rem; }

.people-panel__actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  align-items: flex-start;
  justify-content: center;
}

/* ── What this changes ────────────────────────────────────── */
.change-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: color-mix(in srgb, var(--chalk) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--chalk) 12%, transparent);
  margin-top: 2rem;
}

@media (max-width: 900px) {
  .change-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .change-grid { grid-template-columns: 1fr; }
}

.change-grid article {
  background: var(--bath-elev);
  padding: 1.25rem 1.2rem;
}

.change-grid .mono {
  color: var(--copper);
  display: block;
  margin-bottom: 0.5rem;
}

.change-grid p {
  color: color-mix(in srgb, var(--chalk) 66%, transparent);
  font-size: 0.92rem;
  max-width: 28ch;
}

/* ── Trust split ──────────────────────────────────────────── */
.trust-split {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-top: 2rem;
  align-items: stretch;
}

@media (max-width: 860px) {
  .trust-split { grid-template-columns: 1fr; }
}

.trust-card {
  padding: clamp(1.35rem, 2.5vw, 2rem);
  border: 1px solid var(--line);
  background: var(--paper);
}

.trust-card--primary {
  background: var(--ink);
  color: var(--chalk);
  border-color: transparent;
}

.trust-card--primary .mono { color: var(--copper-bright); }
.trust-card--primary h3 { color: var(--chalk); }
.trust-card--primary li { color: color-mix(in srgb, var(--chalk) 72%, transparent); }
.trust-card--primary .btn {
  border-color: color-mix(in srgb, var(--chalk) 35%, transparent);
  color: var(--chalk);
}
.trust-card--primary .btn--primary {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--white);
}
.trust-card--primary .btn:hover {
  background: var(--chalk);
  color: var(--ink);
  border-color: var(--chalk);
}
.trust-card--primary .btn--primary:hover {
  background: var(--copper-bright);
  border-color: var(--copper-bright);
  color: var(--white);
}

.trust-card h3 {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 400;
  margin: 0.4rem 0 1rem;
}

.trust-card ul {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.trust-card li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.95rem;
  color: var(--steel);
  max-width: 40ch;
}
.trust-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 1px;
  background: var(--copper);
}

/* ── Leadership index ─────────────────────────────────────── */
.leader-index {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid color-mix(in srgb, var(--chalk) 14%, transparent);
}

@media (max-width: 700px) {
  .leader-index { grid-template-columns: 1fr; }
}

.leader-index li {
  padding: 1.1rem 1rem 1.1rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--chalk) 12%, transparent);
  color: color-mix(in srgb, var(--chalk) 62%, transparent);
  font-size: 0.95rem;
}

.leader-index strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--chalk);
  margin-bottom: 0.25rem;
}

.about-retain {
  margin-top: 2rem;
  max-width: 56ch;
  color: color-mix(in srgb, var(--chalk) 70%, transparent);
}

.section--bath .cta-row { margin-top: 1.75rem; }

/* ── Close / footer extras ────────────────────────────────── */
.about-close .close-band__ctas { flex-wrap: wrap; }

.foot-emc {
  color: color-mix(in srgb, var(--chalk) 75%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--copper) 50%, transparent);
}
.foot-emc:hover { color: var(--copper-bright); }

.foot-address {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: color-mix(in srgb, var(--chalk) 45%, transparent);
}