.page-about {
  --about-accent: #39FF14;
  --about-blue: #00FFFF;
  --about-gold: #C5A059;
  position: relative;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) var(--pad) 52px;
  border-bottom: 1px solid rgba(57, 255, 20, 0.18);
  background:
    linear-gradient(135deg, rgba(18, 24, 38, 0.92), rgba(10, 14, 23, 0.98)),
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(57, 255, 20, 0.03) 14px 15px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -50px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(57, 255, 20, 0.12);
  border-radius: 30px;
  transform: rotate(15deg);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: '';
  position: absolute;
  left: 8%;
  bottom: 0;
  height: 2px;
  width: 62%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.28), transparent);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
}

.page-about .about-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 30px;
}

.page-about .about-hero__breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s;
}

.page-about .about-hero__breadcrumb a:hover {
  color: var(--about-blue);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-about .about-hero__main {
  min-width: 0;
}

.page-about .about-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-about .about-hero__eyebrow-sub {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0.02em;
  color: var(--text);
  max-width: 680px;
  margin: 0 0 18px;
}

.page-about .about-hero__lead {
  max-width: 600px;
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-about .about-hero__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--about-accent);
  color: #0A0E17;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: background 0.3s, filter 0.2s;
}

.page-about .about-hero__btn:hover {
  background: var(--about-blue);
}

.page-about .about-hero__link {
  color: var(--about-blue);
  text-decoration: none;
  font-size: 14px;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(0, 255, 255, 0.3);
  transition: border-color 0.3s;
}

.page-about .about-hero__link:hover {
  border-color: rgba(0, 255, 255, 0.8);
}

.page-about .about-hero__stat-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-about .about-hero__stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  background: var(--panel);
  border-left: 2px solid var(--about-blue);
}

.page-about .about-hero__stat dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .about-hero__stat dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 700;
  color: var(--about-accent);
  white-space: nowrap;
}

.page-about .about-hero__side-note {
  position: absolute;
  right: 16px;
  bottom: 16px;
  writing-mode: vertical-rl;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(122, 138, 165, 0.55);
  margin: 0;
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px var(--pad) 80px;
}

.page-about .about-sidebar__inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .about-sidebar__label {
  margin: 0 4px 4px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--about-gold);
}

.page-about .about-sidebar__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  list-style: none;
  margin: 0;
  padding: 0 2px 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-about .about-sidebar__list li {
  flex: 0 0 auto;
}

.page-about .about-sidebar__list a {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  background: var(--panel);
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  border-left: 2px solid rgba(197, 160, 89, 0.4);
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}

.page-about .about-sidebar__list a:hover {
  color: var(--text);
  border-left-color: var(--about-accent);
  background: rgba(18, 24, 38, 0.9);
}

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

.page-about .about-content {
  min-width: 0;
}

.page-about .about-section {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 24px);
  margin-bottom: 72px;
  padding-left: 14px;
}

.page-about .about-section::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, rgba(57, 255, 20, 0.4), rgba(0, 255, 255, 0.1));
}

.page-about .about-section__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(57, 255, 20, 0.16);
  transition: border-color 0.3s;
}

.page-about .about-section:target .about-section__head {
  border-bottom-color: var(--about-accent);
}

.page-about .about-section__num {
  flex: 0 0 auto;
  margin-top: 4px;
  padding: 5px 8px;
  font-family: var(--font-display);
  font-size: 13px;
  line-height: 1;
  color: var(--about-accent);
  background: rgba(57, 255, 20, 0.07);
  border: 1px solid rgba(57, 255, 20, 0.22);
}

.page-about .about-section__head h2 {
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  margin: 0 0 4px;
}

.page-about .about-section__note {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--about-gold);
}

.page-about .about-section__body {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

.page-about .about-section__body p {
  margin: 0 0 16px;
}

.page-about .about-section__body a {
  color: var(--about-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 255, 255, 0.28);
}

.page-about .about-principle {
  margin: 24px 0 20px;
  padding: 18px 20px;
  background: var(--panel);
  border-left: 3px solid var(--about-gold);
}

.page-about .about-principle__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--about-gold);
}

.page-about .about-principle p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-why__link {
  margin-top: 20px;
  font-size: 14px;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 28px 0;
}

.page-about .about-stat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 20px;
  background: var(--panel);
  overflow: hidden;
}

.page-about .about-stat::before {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, transparent 50%, rgba(57, 255, 20, 0.12) 50%);
}

.page-about .about-stat__value {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--about-accent);
}

.page-about .about-stat__name {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.page-about .about-timeline {
  position: relative;
  margin: 32px 0;
  padding: 0 0 0 20px;
  border-left: 1px solid rgba(197, 160, 89, 0.35);
}

.page-about .about-timeline__item {
  position: relative;
  margin-bottom: 26px;
  padding-left: 24px;
}

.page-about .about-timeline__item::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--about-gold);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.18);
}

.page-about .about-timeline__year {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--about-gold);
}

.page-about .about-timeline__body h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-about .about-timeline__body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-about .about-filter-list {
  list-style: none;
  margin: 26px 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-about .about-filter-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px;
  background: var(--panel);
  border-left: 1px solid rgba(57, 255, 20, 0.18);
  transition: border-color 0.3s, transform 0.2s;
}

.page-about .about-filter-list li:hover {
  border-left-color: var(--about-accent);
  transform: translateX(3px);
}

.page-about .about-filter-list__icon {
  flex: 0 0 auto;
  margin-top: 2px;
  padding: 2px 4px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--about-blue);
  border: 1px solid rgba(0, 255, 255, 0.3);
}

.page-about .about-filter-list strong {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  color: var(--text);
}

.page-about .about-filter-list p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

.page-about .about-feedback-flow {
  margin: 28px 0;
}

.page-about .about-feedback-flow ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-about .about-feedback-flow li {
  position: relative;
  padding: 14px;
  background: var(--panel);
  border-top: 2px solid var(--about-blue);
}

.page-about .about-feedback-flow li span {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--about-blue);
}

.page-about .about-feedback-flow li p {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.page-about .about-figure {
  position: relative;
  margin: 26px 0 8px;
  padding: 12px;
  background: var(--panel);
  border-left: 3px solid var(--about-blue);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 150px;
  object-fit: cover;
  background: linear-gradient(135deg, #141B2B, #0D1320);
}

.page-about .about-figure figcaption {
  padding: 10px 4px 2px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.page-about .about-ecosystem {
  margin: 24px 0;
  padding: 18px 20px;
  background: var(--panel);
  border-left: 3px solid var(--about-blue);
}

.page-about .about-ecosystem h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text);
}

.page-about .about-ecosystem ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.page-about .about-ecosystem li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-more {
  margin-top: 22px;
  font-size: 14px;
}

.page-about .about-cta {
  margin-top: 64px;
}

.page-about .about-cta__inner {
  padding: 28px 24px;
  background: linear-gradient(135deg, #121826, #0D1320);
  border-top: 2px solid var(--about-accent);
  border-bottom: 1px solid rgba(197, 160, 89, 0.3);
  text-align: center;
}

.page-about .about-cta__label {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--about-gold);
}

.page-about .about-cta__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}

.page-about .about-cta__btn {
  padding: 11px 20px;
  background: var(--about-accent);
  color: #0A0E17;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.3s;
}

.page-about .about-cta__btn:hover {
  background: var(--about-blue);
}

.page-about .about-cta__links a:not(.about-cta__btn) {
  padding: 10px 4px;
  font-size: 14px;
  color: var(--about-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 255, 255, 0.3);
}

.page-about .visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 680px) {
  .page-about .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-filter-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-feedback-flow ol {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    padding-top: calc(var(--header-h) + 64px);
    padding-bottom: 68px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.35fr 0.9fr;
    gap: 60px;
    align-items: center;
  }

  .page-about .about-hero__stat-list {
    gap: 0;
    border-top: 1px solid rgba(57, 255, 20, 0.14);
  }

  .page-about .about-hero__stat {
    flex-direction: column;
    gap: 4px;
    padding: 20px;
    border-bottom: 1px solid rgba(57, 255, 20, 0.1);
  }

  .page-about .about-hero__stat dd {
    font-size: 24px;
  }

  .page-about .about-hero__side-note {
    right: 24px;
    bottom: 24px;
  }

  .page-about .about-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 60px;
    padding-top: 60px;
  }

  .page-about .about-sidebar__inner {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    gap: 16px;
  }

  .page-about .about-sidebar__label {
    padding-left: 18px;
  }

  .page-about .about-sidebar__list {
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow: visible;
    border-left: 1px solid rgba(57, 255, 20, 0.2);
  }

  .page-about .about-sidebar__list li {
    flex: none;
  }

  .page-about .about-sidebar__list a {
    background: transparent;
    border-left: 2px solid transparent;
    white-space: normal;
  }

  .page-about .about-sidebar__list a:hover {
    background: transparent;
    border-left-color: var(--about-accent);
    color: var(--text);
  }

  .page-about .about-sidebar__foot {
    display: block;
    padding: 16px 0 0 18px;
    border-top: 1px solid rgba(57, 255, 20, 0.14);
    font-family: var(--font-data);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: rgba(122, 138, 165, 0.6);
  }

  .page-about .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-feedback-flow ol {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: 1px solid rgba(0, 255, 255, 0.14);
  }

  .page-about .about-feedback-flow li {
    border-top: 0;
    border-left: 1px solid rgba(0, 255, 255, 0.14);
  }
}