/* ============================================================
   Ride X — About page
   Lineage centerpiece · story + route timeline · graded bridge ·
   operating principles · company information.
   Logical properties only. All motion reuses base attributes.
   ============================================================ */

/* ---------- lineage centerpiece ---------- */
.ab-lineage {
  text-align: center;
}
.ab-lineage__glyph {
  display: flex;
  justify-content: center;
  margin-block-end: clamp(2rem, 1.5rem + 2.5vw, 3.25rem);
}
.ab-lineage__glyph .rt {
  inline-size: min(17rem, 68vw);
}
.ab-lineage .display-breathe {
  max-inline-size: 24ch;
  margin-inline: auto;
}
.ab-lineage__sub {
  margin-block-start: var(--sp-5);
  margin-inline: auto;
  max-inline-size: 52ch;
  color: var(--slate);
}

/* ---------- story + timeline ---------- */
.ab-story__grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 1.5rem + 5vw, 6.5rem);
  align-items: start;
}
.ab-story__copy p {
  color: var(--slate);
  max-inline-size: 58ch;
}
.ab-story__copy p + p {
  margin-block-start: var(--sp-5);
}
.ab-story__copy .ab-story__lede {
  font-size: var(--text-lead);
  line-height: 1.75;
  color: var(--ink);
}
.ab-story__copy .ab-story__promise {
  font-weight: 600;
  color: var(--ink);
}

/* timeline: ring nodes on a drawn vertical leg, red pin last */
.ab-tl li {
  position: relative;
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr);
  column-gap: clamp(1.25rem, 1rem + 1.5vw, 2rem);
  padding-block-end: clamp(2rem, 1.5rem + 2vw, 3rem);
}
.ab-tl li:last-child {
  padding-block-end: 0;
}
.ab-tl__node {
  inline-size: 1.5rem;
  block-size: 1.5rem;
  margin-block-start: 0.125rem;
}
.ab-tl__node .rt {
  inline-size: 100%;
  block-size: 100%;
}
.ab-tl__leg {
  position: absolute;
  inset-inline-start: calc(0.75rem - 1px);
  inset-block-start: 1.9375rem;
  inset-block-end: 0.3125rem;
  inline-size: 2px;
}
.ab-tl h3 {
  font-size: 1.125rem;
}
html[lang="ar"] .ab-tl h3 {
  font-size: 1.1875rem;
}
.ab-tl p {
  margin-block-start: var(--sp-2);
  font-size: var(--text-small);
  color: var(--slate);
  max-inline-size: 44ch;
}

@media (max-width: 62rem) {
  .ab-story__grid {
    grid-template-columns: 1fr;
  }
  .ab-tl {
    max-inline-size: 40rem;
  }
}

/* ---------- full-bleed graded bridge ---------- */
.ab-bridge .media-grade {
  border-radius: 0;
}
.ab-bridge img {
  inline-size: 100%;
  block-size: clamp(16rem, 44vw, 34rem);
  object-fit: cover;
}

/* ---------- operating principles ---------- */
.ab-pr {
  max-inline-size: 62rem;
  border-block-start: 1px solid var(--line-on-light);
}
.ab-pr li {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 18rem) minmax(0, 1fr);
  column-gap: clamp(1.25rem, 1rem + 2vw, 2.75rem);
  align-items: start;
  padding-block: clamp(1.5rem, 1.25rem + 1.5vw, 2.25rem);
  border-block-end: 1px solid var(--line-on-light);
}
.ab-pr__node {
  inline-size: 1.5rem;
  block-size: 1.5rem;
  margin-block-start: 0.125rem;
}
.ab-pr__node .rt {
  inline-size: 100%;
  block-size: 100%;
}
.ab-pr h3 {
  font-size: 1.125rem;
}
html[lang="ar"] .ab-pr h3 {
  font-size: 1.1875rem;
}
.ab-pr p {
  color: var(--slate);
  max-inline-size: 52ch;
}

@media (max-width: 48rem) {
  .ab-pr li {
    grid-template-columns: 1.25rem minmax(0, 1fr);
  }
  .ab-pr__node {
    inline-size: 1.25rem;
    block-size: 1.25rem;
  }
  .ab-pr p {
    grid-column: 2;
    margin-block-start: var(--sp-2);
  }
}

/* ---------- company information ---------- */
.ab-ci__wrap {
  max-inline-size: 56rem;
}
.ab-ci__panel {
  padding: clamp(1.25rem, 1rem + 2vw, 2.75rem);
}
.ab-ci__row {
  display: grid;
  grid-template-columns: minmax(11rem, 16rem) minmax(0, 1fr);
  column-gap: var(--sp-6);
  align-items: baseline;
  padding-block: var(--sp-4);
}
.ab-ci__row:first-child {
  padding-block-start: 0;
}
.ab-ci__row:last-child {
  padding-block-end: 0;
}
.ab-ci__row + .ab-ci__row {
  border-block-start: 1px solid var(--line-on-light);
}
.ab-ci__row dt {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--slate);
}
.ab-ci__row dd {
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* bracket placeholders — intentional, awaiting real registry details */
.ab-ph {
  display: inline-block;
  color: var(--slate);
  border-block-end: 2px dotted var(--line-on-light);
}

@media (max-width: 40rem) {
  .ab-ci__row {
    grid-template-columns: 1fr;
    row-gap: 0.25rem;
  }
}

/* company profile — document row */
.ab-doc {
  margin-block-start: var(--sp-5);
  display: flex;
  align-items: center;
  gap: clamp(0.875rem, 0.75rem + 1vw, 1.25rem);
  padding-block: var(--sp-4);
  padding-inline: clamp(1rem, 0.75rem + 1.5vw, 1.75rem);
  background: #fff;
  border: 1px solid var(--line-on-light);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.25s ease;
}
.ab-doc:hover {
  border-color: var(--ink);
}
.ab-doc__icon {
  flex: none;
  color: var(--slate);
}
.ab-doc__icon svg {
  inline-size: 1.75rem;
  block-size: 1.75rem;
}
.ab-doc__body {
  display: grid;
  gap: 0.125rem;
  min-inline-size: 0;
}
.ab-doc__title {
  font-weight: 600;
  color: var(--ink);
}
.ab-doc__meta {
  font-size: 0.8125rem;
  color: var(--slate);
}
.ab-doc__arrow {
  margin-inline-start: auto;
  flex: none;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  border: 1px solid var(--line-on-light);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.ab-doc:hover .ab-doc__arrow {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}
.ab-doc__arrow svg {
  inline-size: 1.125rem;
  block-size: 1.125rem;
}

@media (max-width: 40rem) {
  .ab-doc__arrow {
    inline-size: 2.5rem;
    block-size: 2.5rem;
  }
}

/* ---------- assurance (dark accent band) ---------- */
.ab-assure__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
  margin-block-start: clamp(2.5rem, 4vw, 4rem);
  max-inline-size: 62rem;
}
.ab-assure__item {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr);
  column-gap: var(--sp-5);
  align-items: start;
  padding: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  background: var(--navy-850);
  border: 1px solid var(--line-on-dark);
  border-radius: var(--radius-l);
}
.ab-assure__node {
  grid-column: 1;
  grid-row: 1 / span 2;
  inline-size: 1.5rem;
  block-size: 1.5rem;
  margin-block-start: 0.125rem;
}
.ab-assure__node .rt { inline-size: 100%; block-size: 100%; }
.ab-assure__item h3 {
  grid-column: 2;
  font-size: 1.125rem;
  color: var(--white);
}
html[lang="ar"] .ab-assure__item h3 { font-size: 1.1875rem; }
.ab-assure__item p {
  grid-column: 2;
  margin-block-start: var(--sp-3);
  color: var(--mist);
  max-inline-size: 46ch;
}
@media (max-width: 48rem) {
  .ab-assure__grid { grid-template-columns: 1fr; }
}