.page-about {
  background: var(--navy);
  color: var(--paper);
  overflow-x: clip;
}

.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 28px) 0 clamp(36px, 6vw, 64px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(130% 100% at 82% 0%, rgba(16, 42, 69, 0.95) 0%, rgba(10, 26, 47, 0) 62%),
    repeating-linear-gradient(90deg, rgba(245, 241, 232, 0.05) 0 1px, transparent 1px 88px);
}

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

.page-about .breadcrumbs {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--stone);
  margin-bottom: clamp(22px, 4vw, 42px);
}

.page-about .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(140, 153, 168, 0.6);
}

.page-about .breadcrumbs a {
  color: var(--stone);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-about .breadcrumbs a:hover,
.page-about .breadcrumbs a:focus-visible {
  color: var(--cyan);
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
}

.page-about .about-hero h1 {
  margin: 0.34em 0 0.44em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 5.4vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 15ch;
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  line-height: 1.78;
  color: rgba(245, 241, 232, 0.82);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-about .about-index {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: clamp(20px, 2.6vw, 28px);
  background: linear-gradient(180deg, rgba(16, 42, 69, 0.88) 0%, rgba(7, 17, 31, 0.62) 100%);
  box-shadow: 0 18px 40px rgba(3, 8, 16, 0.32);
}

.page-about .about-index::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 7px;
  background-image: var(--checker);
  background-size: 14px 14px;
}

.page-about .about-index__title {
  margin: 6px 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-about .about-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--paper);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-about .about-index__link .num {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  background: rgba(57, 242, 200, 0.08);
  border-left-color: var(--cyan);
  color: var(--cyan);
}

.page-about .about-index__link:hover .num,
.page-about .about-index__link:focus-visible .num {
  color: var(--cyan);
}

.page-about .about-index__meta {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-about .about-index__meta a {
  color: var(--cyan);
  text-decoration: none;
}

.page-about .about-index__meta a:hover,
.page-about .about-index__meta a:focus-visible {
  text-decoration: underline;
}

.page-about .about-band {
  border-top: 1px solid var(--line);
  background: rgba(16, 42, 69, 0.55);
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-about .about-band__track {
  display: flex;
  align-items: baseline;
  gap: clamp(24px, 4vw, 52px);
  padding: 15px var(--gutter);
  min-width: max-content;
}

.page-about .about-band__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  font-size: 0.84rem;
  color: var(--stone);
}

.page-about .about-band__item b {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.06rem;
  color: var(--paper);
}

.page-about .about-band__item i {
  font-style: normal;
  color: var(--cyan);
  font-size: 0.72rem;
}

.page-about .about-chapter {
  position: relative;
  padding: clamp(48px, 8vw, 104px) 0;
  border-top: 1px solid var(--line);
}

.page-about .about-chapter.section--paper {
  border-top-color: var(--ink-line);
  color: var(--ink);
}

.page-about .about-head {
  max-width: 64ch;
  margin-bottom: clamp(28px, 4.2vw, 48px);
}

.page-about .about-head__num {
  display: inline-block;
  margin-bottom: 14px;
  padding-left: 10px;
  border-left: 3px solid var(--clay);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-about .about-head__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 3.6vw, 2.55rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-about .about-head__desc {
  margin: 0;
  max-width: 56ch;
  line-height: 1.78;
  color: rgba(245, 241, 232, 0.78);
}

.page-about .section--paper .about-head__desc {
  color: var(--ink-muted);
}

.page-about .about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-about .about-split__text p {
  margin: 0 0 18px;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.84);
}

.page-about .about-points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-about .about-points li {
  display: grid;
  grid-template-columns: minmax(58px, auto) minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  background: var(--navy);
}

.page-about .about-points__k {
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-about .about-points__v {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.8);
}

.page-about .media-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.page-about .media-frame__cap {
  padding: 10px 12px;
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: var(--stone);
  background: rgba(7, 17, 31, 0.72);
  border-top: 1px solid var(--line);
}

.page-about .about-version-figure,
.page-about .about-eco-figure {
  margin-top: clamp(30px, 4.4vw, 52px);
}

.page-about .about-roles {
  position: relative;
}

.page-about .about-roles__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-about .about-roles__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-about .about-roles__tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 0.9rem;
  color: rgba(245, 241, 232, 0.8);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-roles__tab .num {
  font-size: 0.78rem;
  color: var(--clay);
  transition: color 0.2s var(--ease);
}

.page-about .about-roles__tab:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-about #role-data:checked ~ .about-roles__tabs .about-roles__tab[for="role-data"],
.page-about #role-watch:checked ~ .about-roles__tabs .about-roles__tab[for="role-watch"],
.page-about #role-tech:checked ~ .about-roles__tabs .about-roles__tab[for="role-tech"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--chalk);
}

.page-about #role-data:checked ~ .about-roles__tabs .about-roles__tab[for="role-data"] .num,
.page-about #role-watch:checked ~ .about-roles__tabs .about-roles__tab[for="role-watch"] .num,
.page-about #role-tech:checked ~ .about-roles__tabs .about-roles__tab[for="role-tech"] .num {
  color: var(--chalk);
}

.page-about .about-roles__panel {
  display: none;
  border: 1px solid var(--line);
  border-left: 3px solid var(--clay);
  padding: clamp(20px, 3vw, 32px);
  background: rgba(16, 42, 69, 0.55);
}

.page-about #role-data:checked ~ .about-roles__panels .about-roles__panel--data,
.page-about #role-watch:checked ~ .about-roles__panels .about-roles__panel--watch,
.page-about #role-tech:checked ~ .about-roles__panels .about-roles__panel--tech {
  display: block;
}

.page-about .about-roles__panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.4;
}

.page-about .about-roles__panel p {
  margin: 0;
  max-width: 62ch;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.8);
}

.page-about .about-roles__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
}

.page-about .about-roles__tags li {
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  font-size: 0.78rem;
  color: var(--stone);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--clay) 0%, rgba(140, 153, 168, 0.4) 55%, var(--cyan) 100%);
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: clamp(26px, 3.6vw, 40px);
}

.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline__dot {
  position: absolute;
  left: -26px;
  top: 7px;
  width: 11px;
  height: 11px;
  background-image: var(--checker);
  background-size: 11px 11px;
  box-shadow: 0 0 0 3px var(--navy);
  transition: box-shadow 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-about .about-timeline__item--now .about-timeline__dot {
  background-image: none;
  background-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--navy), 0 0 0 4px rgba(215, 38, 61, 0.75);
}

.page-about .about-timeline__item:hover .about-timeline__dot,
.page-about .about-timeline__item:focus-within .about-timeline__dot {
  transform: scale(1.18);
  box-shadow: 0 0 0 3px var(--navy), 0 0 0 7px rgba(57, 242, 200, 0.22);
}

.page-about .about-timeline__ver {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 6px;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-about .about-timeline__item--now .about-timeline__ver {
  color: var(--cyan);
}

.page-about .about-timeline__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  line-height: 1.4;
}

.page-about .about-timeline__desc {
  margin: 0;
  max-width: 60ch;
  line-height: 1.78;
  color: rgba(245, 241, 232, 0.8);
}

.page-about .about-timeline__more {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--stone);
  transition: color 0.24s var(--ease);
}

.page-about .about-timeline__item:hover .about-timeline__more {
  color: rgba(245, 241, 232, 0.86);
}

.page-about .about-rhythm {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--ink-line);
  background: rgba(251, 248, 240, 0.6);
}

.page-about .about-rhythm__clock {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.86rem;
  color: var(--ink-muted);
}

.page-about .about-rhythm__bar {
  flex: 1 1 auto;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--clay) 0%, var(--red) 42%, var(--cyan) 100%);
}

.page-about .about-rhythm__copy p {
  margin: 0 0 14px;
  line-height: 1.82;
  color: var(--ink);
}

.page-about .about-rhythm__copy p:last-child {
  margin-bottom: 0;
}

.page-about .about-topics {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
}

.page-about .about-topics li {
  padding: 7px 13px;
  border: 1px solid var(--ink-line);
  border-radius: 2px;
  font-size: 0.84rem;
  color: var(--ink-muted);
}

.page-about .about-topics li.is-pick {
  border-color: var(--clay);
  border-left-width: 3px;
  color: var(--ink);
  font-weight: 600;
}

.page-about .about-rhythm__link {
  margin: 24px 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-muted);
}

.page-about .about-rhythm__link a,
.page-about .about-service__note a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(215, 38, 61, 0.4);
}

.page-about .about-rhythm__link a:hover,
.page-about .about-rhythm__link a:focus-visible,
.page-about .about-service__note a:hover,
.page-about .about-service__note a:focus-visible {
  border-bottom-color: var(--red);
}

.page-about .about-eco__map {
  margin-bottom: clamp(24px, 3.6vw, 40px);
  max-width: 720px;
}

.page-about .about-eco__map svg {
  display: block;
  width: 100%;
  height: auto;
}

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

.page-about .about-eco__card {
  padding: clamp(20px, 2.8vw, 28px);
  background: var(--navy);
}

.page-about .about-eco__kicker {
  margin: 0 0 10px;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--clay);
}

.page-about .about-eco__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
  line-height: 1.42;
}

.page-about .about-eco__card p {
  margin: 0;
  line-height: 1.76;
  font-size: 0.92rem;
  color: rgba(245, 241, 232, 0.78);
}

.page-about .about-service {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
  margin-top: clamp(32px, 4.6vw, 56px);
}

.page-about .about-service__col h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.7vw, 1.16rem);
  line-height: 1.45;
}

.page-about .about-service__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-about .about-service__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  background: var(--navy);
  font-size: 0.92rem;
  line-height: 1.68;
  color: rgba(245, 241, 232, 0.82);
}

.page-about .about-service__list .num {
  font-size: 0.76rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-about .about-steps {
  list-style: none;
  counter-reset: step;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-steps li {
  position: relative;
  padding: 9px 14px 9px 34px;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  font-size: 0.86rem;
  color: rgba(245, 241, 232, 0.84);
  counter-increment: step;
}

.page-about .about-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--clay);
}

.page-about .about-service__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-about .about-service__note a {
  color: var(--cyan);
  border-bottom-color: rgba(57, 242, 200, 0.4);
}

.page-about .about-trust {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-about .about-trust__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-stat {
  padding: clamp(16px, 2.4vw, 26px);
  background: var(--navy);
}

.page-about .about-stat b {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.45rem, 3vw, 2.05rem);
  line-height: 1.12;
  color: var(--cyan);
}

.page-about .about-stat span {
  display: block;
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--stone);
}

.page-about .about-trust__awards h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.7vw, 1.16rem);
}

.page-about .about-awards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-awards li {
  padding: 6px 0 6px 16px;
  border-left: 3px solid var(--red);
}

.page-about .about-awards strong {
  display: block;
  font-size: 0.98rem;
  margin-bottom: 6px;
}

.page-about .about-awards span {
  display: block;
  font-size: 0.88rem;
  line-height: 1.72;
  color: rgba(245, 241, 232, 0.76);
}

.page-about .about-trust__note {
  margin: 20px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-about .about-cta {
  position: relative;
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--line-2);
  background: linear-gradient(120deg, rgba(215, 38, 61, 0.16) 0%, rgba(57, 242, 200, 0.07) 100%);
  overflow: hidden;
}

.page-about .about-cta::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -34px;
  width: 168px;
  height: 168px;
  background-image: var(--checker);
  background-size: 42px 42px;
  opacity: 0.14;
  transform: rotate(12deg);
  pointer-events: none;
}

.page-about .about-cta h2 {
  position: relative;
  z-index: 1;
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.24;
}

.page-about .about-cta p {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 52ch;
  line-height: 1.78;
  color: rgba(245, 241, 232, 0.82);
}

.page-about .about-cta__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

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

  .page-about .about-service {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 900px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
  }

  .page-about .about-trust {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-about .about-rhythm {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.72fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-about .about-points li {
    grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
    padding: 16px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}