.page-about {
  --about-line: rgba(34, 56, 104, 0.72);
  --about-panel: rgba(12, 23, 48, 0.72);
  color: var(--text-slate-100);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(28px, 5vw, 64px) 0 clamp(36px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(53, 240, 200, 0.16) 0%, rgba(53, 240, 200, 0) 58%),
    radial-gradient(90% 80% at 4% 96%, rgba(124, 108, 245, 0.16) 0%, rgba(124, 108, 245, 0) 60%),
    var(--deep-ink-950);
  overflow: hidden;
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-about .about-hero__eyebrow {
  margin: 18px 0 12px;
  font-size: var(--step--1);
  letter-spacing: 0.22em;
  color: var(--signal-cyan-400);
  text-transform: uppercase;
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, var(--step-5));
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.page-about .about-hero__lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: var(--step-1);
  line-height: 1.8;
  color: var(--text-slate-100);
}

.page-about .about-hero__facts {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--about-line);
  font-size: var(--step-0);
  color: var(--text-slate-400);
}

.page-about .about-hero__num {
  min-width: 4.4em;
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--signal-cyan-400);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__visual {
  position: relative;
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--about-line);
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, rgba(22, 38, 74, 0.9) 0%, rgba(7, 13, 28, 0.92) 100%);
  overflow: hidden;
}

.page-about .about-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 56, 104, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 56, 104, 0.5) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(80% 70% at 50% 40%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000 0%, transparent 78%);
  pointer-events: none;
}

.page-about .about-hero__spark {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-hero__visual-note {
  position: relative;
  margin: 18px 0 0;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--text-slate-400);
}

/* ---------- Body split ---------- */
.page-about .about-body {
  padding: clamp(36px, 6vw, 80px) 0 clamp(48px, 7vw, 96px);
  background: var(--deep-ink-950);
}

.page-about .about-body__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

/* ---------- Sticky rail ---------- */
.page-about .about-rail {
  position: relative;
  padding: 20px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  background: var(--about-panel);
}

.page-about .about-rail__label {
  margin: 0 0 14px;
  font-size: var(--step--1);
  letter-spacing: 0.24em;
  color: var(--text-slate-400);
}

.page-about .about-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 12px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--about-line);
  border-radius: 999px;
  font-size: var(--step--1);
  color: var(--text-slate-400);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-about .about-rail__link .mono {
  font-size: 12px;
  color: var(--signal-cyan-700);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--text-slate-100);
  border-color: var(--signal-cyan-700);
}

.page-about .about-rail__link.is-active {
  color: #FFFFFF;
  border-color: var(--signal-cyan-400);
  background: rgba(53, 240, 200, 0.1);
  box-shadow: inset 3px 0 0 var(--signal-cyan-400);
}

.page-about .about-rail__link.is-active .mono {
  color: var(--signal-cyan-400);
}

.page-about .about-rail__stat {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--about-line);
}

.page-about .about-rail__stat-num {
  margin: 0;
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 1;
  color: var(--archive-amber-400);
}

.page-about .about-rail__stat-num span {
  font-size: var(--step-2);
}

.page-about .about-rail__stat-label {
  margin: 8px 0 0;
  font-size: var(--step--1);
  line-height: 1.6;
  color: var(--text-slate-400);
}

/* ---------- Flow sections ---------- */
.page-about .about-flow {
  display: grid;
  gap: clamp(44px, 7vw, 84px);
}

.page-about .about-sec {
  position: relative;
  scroll-margin-top: 96px;
}

.page-about .about-sec__head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--about-line);
  margin-bottom: 24px;
}

.page-about .about-sec__head .section-title {
  margin: 6px 0 12px;
}

.page-about .about-sec__body > p {
  margin: 0 0 1.2em;
  font-size: var(--step-1);
  line-height: 1.85;
  color: var(--text-slate-100);
}

.page-about .about-sec__body a {
  color: var(--signal-cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 200, 0.4);
}

.page-about .about-sec__body a:hover,
.page-about .about-sec__body a:focus-visible {
  border-bottom-color: var(--signal-cyan-400);
}

/* ---------- Pillars ---------- */
.page-about .about-pillars {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-about .about-pillar {
  padding: 20px 22px;
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--signal-cyan-700);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(22, 38, 74, 0.72) 0%, rgba(12, 23, 48, 0.72) 100%);
}

.page-about .about-pillar__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

.page-about .about-pillar__text {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-slate-400);
}

/* ---------- Media frames ---------- */
.page-about .about-team__figure,
.page-about .about-version__figure {
  margin: 0 0 26px;
}

.page-about .media-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.page-about .about-version__figure img {
  aspect-ratio: 14 / 6;
}

.page-about .about-team__figure img {
  aspect-ratio: 5 / 3;
}

/* ---------- Team list ---------- */
.page-about .about-teams {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-team {
  position: relative;
  padding: 22px 22px 22px 26px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  background: rgba(7, 13, 28, 0.7);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-about .about-team:hover {
  transform: translateY(-3px);
  border-color: var(--signal-cyan-700);
}

.page-about .about-team__count {
  margin: 0 0 6px;
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--archive-amber-400);
}

.page-about .about-team__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  color: #FFFFFF;
}

.page-about .about-team__desc {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-slate-400);
}

/* ---------- Category chips + list ---------- */
.page-about .about-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 22px;
}

.page-about .about-cat {
  cursor: pointer;
  background: rgba(15, 155, 134, 0.12);
  border: 1px solid var(--signal-cyan-700);
  color: var(--signal-cyan-400);
  font-family: inherit;
  font-size: var(--step-0);
  padding: 8px 16px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-about .about-cat:hover,
.page-about .about-cat:focus-visible {
  background: rgba(53, 240, 200, 0.2);
  color: #FFFFFF;
}

.page-about .about-cat[aria-pressed="true"] {
  background: var(--signal-cyan-400);
  border-color: var(--signal-cyan-400);
  color: #041018;
}

.page-about .about-cat-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-about .about-cat-item {
  padding: 18px 20px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  background: rgba(12, 23, 48, 0.66);
}

.page-about .about-cat-item[hidden] {
  display: none;
}

.page-about .about-cat-item dt {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 800;
  color: #FFFFFF;
}

.page-about .about-cat-item dt .mono {
  font-size: var(--step--1);
  color: var(--archive-violet-500);
}

.page-about .about-cat-item dd {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-slate-400);
}

/* ---------- Timeline ---------- */
.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: 18px;
  margin: 26px 0 22px;
  padding: 0 0 0 26px;
  list-style: none;
  border-left: 2px solid var(--about-line);
}

.page-about .about-tl-node {
  position: relative;
  padding: 4px 0 4px 20px;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}

.page-about .about-tl-node:hover {
  background: rgba(22, 38, 74, 0.5);
}

.page-about .about-tl-dot {
  position: absolute;
  left: -33px;
  top: 12px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--deep-ink-950);
  background: var(--signal-cyan-400);
  box-shadow: 0 0 0 3px rgba(53, 240, 200, 0.18);
}

.page-about .about-tl-dot--v1 { background: var(--signal-cyan-700); box-shadow: 0 0 0 3px rgba(15, 155, 134, 0.2); }
.page-about .about-tl-dot--v2 { background: var(--archive-violet-500); box-shadow: 0 0 0 3px rgba(124, 108, 245, 0.2); }
.page-about .about-tl-dot--v3 { background: var(--signal-cyan-400); }
.page-about .about-tl-dot--cut { background: var(--archive-amber-400); box-shadow: 0 0 0 3px rgba(255, 176, 46, 0.22); }

.page-about .about-tl-ver {
  margin: 0 0 4px;
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  color: var(--text-slate-400);
}

.page-about .about-tl-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  line-height: 1.35;
  color: #FFFFFF;
}

.page-about .about-tl-text {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-slate-400);
}

.page-about .about-tl-node--cut .about-tl-title {
  color: var(--archive-amber-400);
}

.page-about .about-timeline__foot {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.9;
  color: var(--text-slate-400);
}

.page-about .about-timeline__foot a {
  color: var(--signal-cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 200, 0.4);
}

/* ---------- Quality block ---------- */
.page-about .about-quality {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-about .about-quality__text > p {
  margin: 0 0 1.2em;
  font-size: var(--step-1);
  line-height: 1.85;
  color: var(--text-slate-100);
}

.page-about .about-quality__text a {
  color: var(--signal-cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 200, 0.4);
}

.page-about .about-quality__figure {
  margin: 0;
}

.page-about .about-quality__figure img {
  aspect-ratio: 1 / 1;
}

.page-about .media-frame__caption {
  display: block;
  margin-top: 10px;
  font-size: var(--step--1);
  line-height: 1.6;
  color: var(--text-slate-400);
}

/* ---------- Closing cards ---------- */
.page-about .about-sec--last {
  padding-top: clamp(20px, 3vw, 32px);
}

.page-about .about-cards {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-about .about-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(22, 38, 74, 0.86) 0%, rgba(7, 13, 28, 0.9) 100%);
  border: 1px solid var(--about-line);
}

.page-about .about-card .card__meta {
  color: var(--signal-cyan-400);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
}

.page-about .about-card .card__title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  color: #FFFFFF;
}

.page-about .about-card .card__text {
  flex: 1 1 auto;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-slate-400);
}

.page-about .about-card__link {
  align-self: flex-start;
  margin-top: 6px;
  font-size: var(--step-0);
  color: var(--signal-cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 200, 0.4);
}

.page-about .about-card__link:hover,
.page-about .about-card__link:focus-visible {
  border-bottom-color: var(--signal-cyan-400);
}

/* ---------- Tablet ---------- */
@media (min-width: 700px) {
  .page-about .about-pillars {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-teams {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-cards .about-card:nth-child(2) {
    transform: translateY(22px);
  }

  .page-about .about-quality {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 32px;
  }

  .page-about .about-rail__list {
    flex-wrap: wrap;
    overflow: visible;
  }
}

/* ---------- Desktop ---------- */
@media (min-width: 1000px) {
  .page-about .about-hero__inner {
    grid-template-columns: 7fr 5fr;
    gap: clamp(36px, 5vw, 72px);
  }

  .page-about .about-hero__facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-about .about-hero__facts li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-about .about-body__inner {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 68px);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 96px;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-about .about-rail__link {
    width: 100%;
    padding: 9px 12px;
    border-color: transparent;
    border-radius: var(--radius-sm);
    white-space: normal;
  }

  .page-about .about-rail__link.is-active {
    border-color: var(--about-line);
  }

  .page-about .about-sec__head {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas:
      "num title"
      "num kicker";
    column-gap: 22px;
    align-items: start;
  }

  .page-about .about-sec__head .section-num {
    grid-area: num;
    font-size: var(--step-4);
    line-height: 0.9;
    color: rgba(53, 240, 200, 0.28);
  }

  .page-about .about-sec__head .section-title {
    grid-area: title;
    margin-top: 0;
  }

  .page-about .about-sec__head .section-kicker {
    grid-area: kicker;
    margin: 0;
    max-width: 62ch;
  }

  .page-about .about-cat-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-cat-item:nth-child(5) {
    grid-column: 1 / -1;
  }

  .page-about .about-cards {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  .page-about .about-cards .about-card:nth-child(1) { transform: translateY(0); }
  .page-about .about-cards .about-card:nth-child(2) { transform: translateY(30px); }
  .page-about .about-cards .about-card:nth-child(3) { transform: translateY(12px); }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team:hover,
  .page-about .about-cards .about-card {
    transform: none !important;
  }

  .page-about .about-rail__link,
  .page-about .about-team,
  .page-about .about-cat,
  .page-about .about-tl-node {
    transition: none;
  }
}
</PAGE_CSS>>