.page-about {
  --about-line: 1px solid rgba(201, 208, 220, 0.2);
  --about-line-soft: 1px solid rgba(201, 208, 220, 0.12);
  --about-seam: rgba(201, 208, 220, 0.18);
  --about-gap: clamp(1.5rem, 4vw, 3rem);
  background: var(--c-space);
  color: var(--c-warm);
  overflow-x: hidden;
}

.page-about .about-crumb {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  padding-top: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2.1rem, 6.4vw, 4.4rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0.7rem 0 0;
  color: var(--c-warm);
  max-width: 20ch;
  overflow-wrap: break-word;
}

.page-about .about-hero__lead {
  margin-top: clamp(1rem, 2.4vw, 1.6rem);
  max-width: 58ch;
  font-size: clamp(0.98rem, 1.5vw, 1.12rem);
  line-height: 1.85;
  color: var(--c-fog);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

/* ---------- Index rail ---------- */
.page-about .about-index {
  border-top: var(--about-line);
  padding-top: 1rem;
}

.page-about .about-index__caption {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--c-mint);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.2rem;
}

.page-about .about-index__list a {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.42rem 0;
  font-size: 0.92rem;
  color: var(--c-fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .about-index__list .mono {
  font-size: 0.7rem;
  color: rgba(201, 208, 220, 0.55);
  transition: color 0.25s var(--ease);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--c-warm);
  border-bottom-color: var(--c-signal);
}

.page-about .about-index__list a:hover .mono,
.page-about .about-index__list a:focus-visible .mono {
  color: var(--c-signal);
}

/* ---------- Figures ---------- */
.page-about .about-figures {
  margin-top: clamp(1.4rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-seam);
  border: var(--about-line);
}

.page-about .about-figure {
  background: var(--c-space);
  padding: 0.85rem 0.8rem 0.9rem;
  outline: 1px solid transparent;
  outline-offset: -1px;
  transition: outline-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-about .about-figure:hover,
.page-about .about-figure:focus-visible {
  outline-color: rgba(255, 122, 51, 0.6);
  background: var(--c-indi);
}

.page-about .about-figure__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(1.45rem, 3.4vw, 2rem);
  line-height: 1;
  color: var(--c-warm);
}

.page-about .about-figure__num em {
  font-style: normal;
  font-size: 0.5em;
  margin-left: 0.2em;
  color: var(--c-signal);
}

.page-about .about-figure__label {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.72rem;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--c-fog);
}

/* ---------- Blocks ---------- */
.page-about .about-block {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  border-top: var(--about-line);
}

.page-about .about-block--last {
  border-bottom: var(--about-line);
}

.page-about .about-block__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0.6rem 0 0;
  color: var(--c-warm);
  max-width: 24ch;
}

.page-about .about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  align-items: start;
}

.page-about .about-text p {
  margin: 1rem 0 0;
  font-size: clamp(0.94rem, 1.4vw, 1.04rem);
  line-height: 1.85;
  color: var(--c-fog);
  max-width: 62ch;
}

.page-about .about-text strong {
  color: var(--c-warm);
  font-weight: 500;
}

.page-about .about-text p.about-note {
  margin-top: 1.4rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--c-signal);
  color: var(--c-warm);
  font-size: 0.94rem;
}

.page-about .about-text p.about-note a {
  color: var(--c-mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 227, 182, 0.45);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-about .about-text p.about-note a:hover,
.page-about .about-text p.about-note a:focus-visible {
  color: var(--c-warm);
  border-bottom-color: var(--c-signal);
}

.page-about .about-intro {
  margin: 1rem 0 0;
  max-width: 56ch;
  font-size: clamp(0.94rem, 1.4vw, 1.04rem);
  line-height: 1.85;
  color: var(--c-fog);
}

.page-about .about-visual {
  margin: 1.5rem 0 0;
  border: var(--about-line);
  background: var(--c-indi);
  overflow: hidden;
}

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

.page-about .about-visual figcaption {
  padding: 0.65rem 0.85rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(201, 208, 220, 0.7);
  border-top: var(--about-line-soft);
  background: rgba(10, 26, 47, 0.6);
}

.page-about .about-visual--wide {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

/* ---------- Timeline ---------- */
.page-about .about-timeline {
  list-style: none;
  margin: clamp(1.5rem, 3.5vw, 2.4rem) 0 0;
  padding: 0;
}

.page-about .about-timeline li {
  position: relative;
  padding: 0 0 1.6rem 1.7rem;
  border-left: 1px solid var(--about-seam);
}

.page-about .about-timeline li::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 0.42rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-space);
  border: 1px solid var(--c-mint);
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .about-timeline li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .about-timeline__year {
  display: inline-block;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--c-signal);
}

.page-about .about-timeline__title {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--c-warm);
  transition: color 0.25s var(--ease);
}

.page-about .about-timeline__desc {
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--c-fog);
}

.page-about .about-timeline li:hover::before,
.page-about .about-timeline li:focus-within::before {
  background: var(--c-mint);
}

.page-about .about-timeline li:hover .about-timeline__title {
  color: var(--c-signal);
}

/* ---------- Roles ---------- */
.page-about .about-roles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--about-seam);
  border: var(--about-line);
  margin-top: 1.75rem;
}

.page-about .about-role {
  background: var(--c-indi);
  padding: clamp(1rem, 2.6vw, 1.5rem);
  transition: background-color 0.25s var(--ease);
}

.page-about .about-role:hover {
  background: var(--c-nebula);
}

.page-about .about-role__no {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: rgba(201, 208, 220, 0.6);
}

.page-about .about-role__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--c-warm);
}

.page-about .about-role__num {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1;
  color: var(--c-mint);
}

.page-about .about-role__num span {
  font-size: 0.4em;
  margin-left: 0.2em;
  color: var(--c-fog);
}

.page-about .about-role__desc {
  margin: 0.6rem 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--c-fog);
}

/* ---------- Flow ---------- */
.page-about .about-flow {
  margin-top: clamp(1.5rem, 3.5vw, 2.4rem);
}

.page-about .about-flow__rail {
  display: none;
}

.page-about .about-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.15rem;
}

.page-about .about-flow__step {
  position: relative;
  padding: 0.9rem 1rem 1rem;
  border: var(--about-line);
  background: rgba(36, 26, 74, 0.55);
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-about .about-flow__step:hover {
  border-color: rgba(111, 227, 182, 0.55);
  background: rgba(59, 42, 107, 0.6);
}

.page-about .about-flow__no {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--c-mint);
}

.page-about .about-flow__title {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--c-warm);
}

.page-about .about-flow__desc {
  margin: 0.45rem 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--c-fog);
}

/* ---------- Contact block ---------- */
.page-about .about-contact {
  margin-top: 1.75rem;
  padding: clamp(1.1rem, 2.8vw, 1.6rem);
  border: var(--about-line);
  background: var(--c-teal);
}

.page-about .about-contact__caption {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--c-mint);
}

.page-about .about-contact__list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-about .about-contact__list li {
  display: grid;
  gap: 0.2rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(245, 241, 232, 0.14);
}

.page-about .about-contact__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-contact__key {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: rgba(245, 241, 232, 0.62);
}

.page-about .about-contact__list a,
.page-about .about-contact__list span:last-child {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--c-warm);
  text-decoration: none;
  overflow-wrap: break-word;
}

.page-about .about-contact__list a {
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

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

.page-about .about-contact .btn {
  margin-top: 1.4rem;
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  padding-top: clamp(2.5rem, 6vw, 4rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.page-about .about-cta__box {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: var(--about-line);
  background: linear-gradient(135deg, var(--c-nebula) 0%, var(--c-indi) 70%);
  overflow: hidden;
}

.page-about .about-cta__box::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(111, 227, 182, 0.28);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .about-cta__cap {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--c-signal);
}

.page-about .about-cta__title {
  margin: 0.7rem 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.22;
  color: var(--c-warm);
  max-width: 22ch;
}

.page-about .about-cta__desc {
  margin: 0.85rem 0 0;
  max-width: 50ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--c-fog);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

/* ---------- Breakpoints ---------- */
@media (min-width: 640px) {
  .page-about .about-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 300px);
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-about .about-index {
    border-top: 0;
    border-left: var(--about-line);
    padding-top: 0;
    padding-left: clamp(1.1rem, 2vw, 1.6rem);
    position: sticky;
    top: calc(var(--head-h) + 1.5rem);
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
    gap: clamp(2rem, 4.5vw, 3.5rem);
  }

  .page-about .about-split--reverse {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }

  .page-about .about-roles {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 0;
  }

  .page-about .about-timeline {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0 clamp(1rem, 2vw, 1.75rem);
  }

  .page-about .about-timeline li {
    padding: 1.5rem 0 0 0;
    border-left: 0;
    border-top: 1px solid var(--about-seam);
  }

  .page-about .about-timeline li::before {
    left: 0;
    top: -4.5px;
  }

  .page-about .about-timeline li:last-child {
    border-top-color: var(--about-seam);
  }

  .page-about .about-flow__rail {
    display: block;
    margin-bottom: 0.9rem;
    color: rgba(201, 208, 220, 0.38);
  }

  .page-about .about-flow__rail svg {
    display: block;
    width: 100%;
    height: 14px;
  }

  .page-about .about-flow__steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: clamp(0.75rem, 1.6vw, 1.25rem);
  }

  .page-about .about-flow__step {
    padding: 0.85rem 0.85rem 0.95rem;
  }
}

@media (min-width: 1100px) {
  .page-about .about-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-figure,
  .page-about .about-role,
  .page-about .about-flow__step,
  .page-about .about-timeline li::before,
  .page-about .about-timeline__title,
  .page-about .about-index__list a,
  .page-about .about-contact__list a {
    transition: none;
  }
}
<<<END>>>