.page-about {
  background: var(--white);
  color: var(--ink);
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  background: var(--ink);
  color: var(--white);
  padding: calc(var(--header-h) + 28px) 0 56px;
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -22%;
  top: -38%;
  width: 68%;
  height: 176%;
  background: linear-gradient(200deg, rgba(26, 92, 255, 0.55), rgba(0, 212, 200, 0.12) 62%, rgba(11, 27, 51, 0) 88%);
  transform: rotate(var(--angle));
  pointer-events: none;
}

.page-about .about-hero .shell {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumbs__link {
  color: var(--blue-300);
}

.page-about .breadcrumbs__link:hover,
.page-about .breadcrumbs__link:focus-visible {
  color: var(--white);
}

.page-about .breadcrumbs__item {
  color: rgba(255, 255, 255, 0.6);
}

.page-about .hero-collage {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}

.page-about .hero-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.page-about .hero-lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.74);
}

.page-about .hero-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-about .hero-chip {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 16px 18px 16px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-left: 3px solid var(--blue-300);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .hero-chip:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.3);
  border-left-color: var(--cyan);
}

.page-about .hero-chip--blue {
  border-left-color: var(--blue);
}

.page-about .hero-chip--line {
  border-left-color: var(--orange);
}

.page-about .hero-chip__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.page-about .hero-chip__v {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-about .hero-chip__n {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.66);
}

.page-about .about-rail {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  background: var(--white);
  border-bottom: 1px solid var(--blue-100);
}

.page-about .about-rail__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-about .about-rail__label {
  flex: none;
  color: var(--ink-400);
}

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

.page-about .about-rail__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--ink-500);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--blue);
  border-color: var(--blue-100);
  background: var(--mist);
}

.page-about .about-rail__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-about .chapter {
  padding: 56px 0 60px;
}

.page-about .chapter--plain {
  background: var(--white);
}

.page-about .chapter--mist {
  background: var(--mist);
}

.page-about .chapter--ink {
  background: var(--ink);
  color: var(--white);
}

.page-about .chapter-grid {
  display: grid;
  gap: 20px;
}

.page-about .chapter-num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--blue-100);
}

.page-about .chapter--ink .chapter-num {
  color: rgba(127, 163, 255, 0.55);
}

.page-about .chapter-head {
  margin-bottom: 18px;
}

.page-about .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-about .chapter--ink .eyebrow {
  color: var(--cyan);
}

.page-about .chapter-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.03em;
}

.page-about .chapter-lead {
  margin: 0 0 26px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-500);
}

.page-about .chapter--ink .chapter-lead {
  color: rgba(255, 255, 255, 0.72);
}

.page-about .pull-quote {
  margin: 30px 0 34px;
  padding: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4vw, 32px);
  line-height: 1.34;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about .pull-quote::after {
  content: "";
  display: block;
  width: 88px;
  height: 7px;
  margin-top: 16px;
  background: var(--orange);
  transform: skewX(-28deg);
  transform-origin: left center;
}

.page-about .panel__title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-about .phase-figure {
  margin: 0 0 32px;
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .media-frame__caption {
  font-size: 13px;
  color: var(--ink-400);
}

.page-about .chapter--ink .media-frame__caption {
  color: rgba(255, 255, 255, 0.5);
}

.page-about .phase-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 20px;
}

.page-about .phase-list::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue), var(--cyan) 55%, var(--orange));
}

.page-about .phase {
  position: relative;
  padding-left: 40px;
}

.page-about .phase__node {
  position: absolute;
  left: 0;
  top: 6px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  background: var(--blue);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.02em;
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

.page-about .phase__card {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.13);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .phase:hover .phase__card,
.page-about .phase:focus-within .phase__card {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-about .phase__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.page-about .phase__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
}

.page-about .phase__meta {
  margin: 0;
  color: var(--orange);
}

.page-about .role-layout {
  display: grid;
  gap: 28px;
}

.page-about .role-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .role {
  position: relative;
  padding: 20px;
  background: var(--mist);
  border: 1px solid var(--blue-100);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .role:hover,
.page-about .role:focus-within {
  background: var(--white);
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}

.page-about .role__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-about .role__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.page-about .role__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-500);
}

.page-about .role-figure {
  margin: 0;
}

.page-about .cert-layout {
  display: grid;
  gap: 26px;
}

.page-about .cert-figure {
  margin: 0;
  max-width: 320px;
}

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

.page-about .cert-item {
  padding: 16px 18px;
  background: var(--white);
  border-left: 3px solid var(--blue);
  box-shadow: var(--shadow-1);
}

.page-about .cert-item__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.page-about .cert-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-500);
}

.page-about .promise-grid {
  display: grid;
  gap: 12px;
}

.page-about .promise {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .promise:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-about .promise__k {
  margin: 0 0 8px;
  color: var(--orange);
}

.page-about .promise__v {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  word-break: break-word;
  color: var(--white);
}

.page-about .promise__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 212, 200, 0.45);
  transition: border-color var(--dur) var(--ease);
}

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

.page-about .promise__n {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
}

.page-about .promise-foot {
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
}

.page-about .promise-foot__link {
  color: var(--blue-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 163, 255, 0.4);
}

.page-about .promise-foot__link:hover,
.page-about .promise-foot__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

.page-about .about-cta {
  background: var(--blue);
  color: var(--white);
  padding: 52px 0 56px;
  position: relative;
  overflow: hidden;
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -60%;
  width: 60%;
  height: 170%;
  background: linear-gradient(160deg, rgba(0, 212, 200, 0.3), rgba(26, 92, 255, 0) 70%);
  transform: rotate(var(--angle));
  pointer-events: none;
}

.page-about .about-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.page-about .about-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.03em;
}

.page-about .about-cta__lead {
  margin: 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.page-about .about-cta__links {
  display: grid;
  gap: 10px;
}

.page-about .about-cta__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--blue);
  background: var(--white);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .about-cta__link:hover,
.page-about .about-cta__link:focus-visible {
  transform: translateY(-3px);
  background: var(--mist);
}

.page-about .about-cta__link--accent {
  background: var(--orange);
  color: var(--white);
}

.page-about .about-cta__link--accent:hover,
.page-about .about-cta__link--accent:focus-visible {
  background: var(--orange-deep);
}

@media (min-width: 720px) {
  .page-about .hero-chips {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .role-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .promise-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    padding-top: calc(var(--header-h) + 44px);
    padding-bottom: 76px;
  }

  .page-about .hero-collage {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
    gap: 56px;
    align-items: start;
    margin-top: 40px;
  }

  .page-about .hero-chips {
    grid-template-columns: 1fr;
  }

  .page-about .chapter {
    padding: 80px 0 84px;
  }

  .page-about .chapter-grid {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 40px;
  }

  .page-about .chapter-num {
    font-size: 64px;
    position: sticky;
    top: calc(var(--header-h) + 72px);
  }

  .page-about .phase-list {
    gap: 18px;
  }

  .page-about .phase {
    padding-left: 52px;
  }

  .page-about .phase__node {
    width: 28px;
    height: 28px;
    font-size: 10px;
  }

  .page-about .phase-list::before {
    left: 13px;
  }

  .page-about .role-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.8fr);
    gap: 32px;
    align-items: start;
  }

  .page-about .cert-layout {
    grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .cert-figure {
    max-width: none;
  }

  .page-about .about-cta {
    padding: 72px 0 78px;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 48px;
  }

  .page-about .about-cta__links {
    grid-auto-flow: column;
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .page-about .chapter-grid {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .chapter-num {
    font-size: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .hero-chip,
  .page-about .about-rail__link,
  .page-about .phase__card,
  .page-about .role,
  .page-about .promise,
  .page-about .about-cta__link {
    transition: none;
  }

  .page-about .hero-chip:hover,
  .page-about .phase:hover .phase__card,
  .page-about .role:hover,
  .page-about .promise:hover,
  .page-about .about-cta__link:hover {
    transform: none;
  }
}
<<<END>>>