.page-about {
  --about-paper-ink: #0B1220;
  --about-paper-soft: #4E6380;
  --about-veil: rgba(59, 245, 154, 0.08);
  position: relative;
  color: var(--c-text);
  background: var(--c-ink);
}

.page-about .breadcrumb {
  margin: 22px 0 0;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(30px, 5vw, 68px) 0 clamp(38px, 6vw, 84px);
  overflow: hidden;
}
.page-about .about-hero__lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.9;
}
.page-about .about-hero__lines svg {
  width: 100%;
  height: 100%;
  display: block;
}
.page-about .about-hero__inner {
  position: relative;
  max-width: 960px;
}
.page-about .about-hero h1 {
  font-family: var(--ff-head);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 16px 0 22px;
}
.page-about .about-hero__hl {
  color: var(--c-green);
  position: relative;
}
.page-about .about-hero .lead {
  max-width: 660px;
  color: var(--c-text-soft);
  font-size: var(--fs-17);
  line-height: 1.8;
  margin: 0;
}
.page-about .about-hero__facts {
  list-style: none;
  margin: 42px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.page-about .about-hero__facts li {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-about .about-hero__num {
  font-size: 28px;
  line-height: 1;
  color: var(--c-green);
  letter-spacing: -0.01em;
}
.page-about .about-hero__num span {
  font-size: 15px;
  color: var(--c-cyan);
  margin-left: 2px;
}
.page-about .about-hero__label {
  color: var(--c-muted);
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
}

/* ---------- Layout ---------- */
.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-bottom: clamp(52px, 8vw, 100px);
}
.page-about .about-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 7vw, 92px);
}

/* ---------- TOC ---------- */
.page-about .about-toc {
  order: -1;
  align-self: start;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 14px 16px;
}
.page-about .about-toc__title {
  margin: 0 0 10px;
  color: var(--c-cyan);
  font-family: var(--ff-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.page-about .about-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-about .about-toc__list::-webkit-scrollbar {
  display: none;
}
.page-about .about-toc__list li {
  flex: 0 0 auto;
}
.page-about .about-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-line);
  color: var(--c-text-soft);
  font-size: var(--fs-13);
  text-decoration: none;
  white-space: nowrap;
  transition: color .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}
.page-about .about-toc__list a:hover,
.page-about .about-toc__list a:focus-visible,
.page-about .about-toc__list a[aria-current="true"] {
  color: var(--c-green);
  border-color: var(--c-green);
  background: var(--about-veil);
  outline: none;
}
.page-about .about-toc__list a .mono {
  color: var(--c-cyan);
  font-size: 12px;
}

/* ---------- Sections ---------- */
.page-about .about-section {
  scroll-margin-top: 96px;
}
.page-about .about-section__tag {
  font-family: var(--ff-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.2em;
  color: var(--c-cyan);
  margin: 0 0 12px;
}
.page-about .about-section h2 {
  font-family: var(--ff-head);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin: 0 0 18px;
}
.page-about .about-section__lead {
  color: var(--c-text-soft);
  font-size: var(--fs-17);
  line-height: 1.8;
  margin: 0 0 28px;
  max-width: 62ch;
}
.page-about .about-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}
.page-about .about-section__text p {
  color: var(--c-text-soft);
  font-size: var(--fs-17);
  line-height: 1.85;
  margin: 0 0 16px;
  max-width: 68ch;
}
.page-about .about-section__text p:last-child {
  margin-bottom: 0;
}
.page-about .about-section__text a {
  color: var(--c-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about .about-section__figure {
  margin: 0;
}
.page-about .about-section__figure--wide {
  margin-top: 28px;
}

/* ---------- Flow ---------- */
.page-about .about-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-about .about-flow__step {
  position: relative;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 20px 20px 22px;
}
.page-about .about-flow__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 3px;
  height: 26px;
  background: linear-gradient(180deg, var(--c-green), var(--c-cyan));
  border-radius: 0 3px 3px 0;
}
.page-about .about-flow__num {
  display: inline-block;
  color: var(--c-cyan);
  font-size: 12px;
  letter-spacing: 0.16em;
  margin-bottom: 10px;
}
.page-about .about-flow__step h3 {
  font-family: var(--ff-head);
  font-size: var(--fs-17);
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.005em;
}
.page-about .about-flow__step p {
  margin: 0;
  color: var(--c-text-soft);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- Team ---------- */
.page-about .about-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.page-about .about-team__role {
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 20px 20px 22px;
  background: var(--c-panel-2);
  position: relative;
  overflow: hidden;
}
.page-about .about-team__role::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 110px;
  height: 110px;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  opacity: 0.7;
}
.page-about .about-team__count {
  display: inline-block;
  font-size: var(--fs-22);
  color: var(--c-orange);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.page-about .about-team__role h3 {
  font-family: var(--ff-head);
  font-size: var(--fs-17);
  font-weight: 700;
  margin: 0 0 8px;
}
.page-about .about-team__role p {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- Timeline ---------- */
.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px dashed var(--c-line);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-about .about-timeline__item {
  position: relative;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color .22s var(--ease);
}
.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-ink);
  border: 2px solid var(--c-green);
}
.page-about .about-timeline__item[open] {
  border-color: rgba(59, 245, 154, 0.45);
}
.page-about .about-timeline__item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.page-about .about-timeline__item summary::-webkit-details-marker {
  display: none;
}
.page-about .about-timeline__item summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}
.page-about .about-timeline__year {
  color: var(--c-orange);
  font-size: var(--fs-14);
  min-width: 52px;
  letter-spacing: 0.04em;
}
.page-about .about-timeline__title {
  flex: 1;
  font-family: var(--ff-head);
  font-size: var(--fs-17);
  font-weight: 700;
  letter-spacing: -0.005em;
}
.page-about .about-timeline__toggle {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}
.page-about .about-timeline__toggle::before,
.page-about .about-timeline__toggle::after {
  content: "";
  position: absolute;
  background: var(--c-green);
  transition: transform .3s var(--ease);
}
.page-about .about-timeline__toggle::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}
.page-about .about-timeline__toggle::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}
.page-about .about-timeline__item[open] .about-timeline__toggle::after {
  transform: scaleY(0);
}
.page-about .about-timeline__panel {
  padding: 0 18px 18px 84px;
  color: var(--c-text-soft);
  font-size: 15px;
  line-height: 1.8;
}
.page-about .about-timeline__panel p {
  margin: 0;
  max-width: 68ch;
}

/* ---------- Principles (paper panel) ---------- */
.page-about .about-section--paper {
  background: var(--c-paper);
  color: var(--about-paper-ink);
  border-radius: var(--r-lg);
  padding: clamp(24px, 4vw, 44px);
}
.page-about .about-section--paper h2 {
  color: var(--about-paper-ink);
}
.page-about .about-section__tag--paper {
  color: #0B6E4F;
}
.page-about .about-section--paper .about-section__lead {
  color: var(--about-paper-soft);
}
.page-about .about-principles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 6px;
}
.page-about .about-principle {
  background: #FFFFFF;
  border-radius: var(--r-md);
  padding: 20px 20px 22px;
  border: 1px solid rgba(11, 18, 32, 0.08);
}
.page-about .about-principle__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: #0B6E4F;
  margin-bottom: 12px;
}
.page-about .about-principle h3 {
  font-family: var(--ff-head);
  font-size: var(--fs-17);
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--about-paper-ink);
}
.page-about .about-principle p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--about-paper-soft);
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: clamp(24px, 4vw, 44px);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(59, 245, 154, 0.14), transparent 55%),
    radial-gradient(120% 140% at 0% 100%, rgba(255, 138, 61, 0.12), transparent 55%),
    var(--c-panel);
  display: grid;
  gap: 16px;
}
.page-about .about-cta h2 {
  font-family: var(--ff-head);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 34px);
  letter-spacing: -0.015em;
  margin: 0;
}
.page-about .about-cta p {
  margin: 0;
  color: var(--c-text-soft);
  font-size: var(--fs-17);
  line-height: 1.75;
  max-width: 60ch;
}
.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- Media tweaks ---------- */
.page-about .media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
  border: 1px solid var(--c-line);
}
.page-about .media__caption {
  margin-top: 10px;
  color: var(--c-muted);
  font-size: var(--fs-13);
  letter-spacing: 0.04em;
}

/* ---------- Responsive ---------- */
@media (min-width: 720px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-section__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 30px;
    align-items: start;
  }
  .page-about .about-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-about .about-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 56px;
    align-items: start;
  }
  .page-about .about-toc {
    order: 0;
    position: sticky;
    top: 92px;
    padding: 18px 18px 20px;
  }
  .page-about .about-toc__list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
  }
  .page-about .about-toc__list a {
    border-radius: var(--r-sm);
    border-color: transparent;
    background: transparent;
    white-space: normal;
    justify-content: flex-start;
    padding: 9px 10px;
    line-height: 1.5;
  }
  .page-about .about-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-section__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 40px;
  }
  .page-about .about-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }
  .page-about .about-cta__actions {
    margin-top: 0;
    justify-content: flex-end;
  }
}
<<<END>>>