.page-about {
  --about-rail-w: 188px;
  --about-pad: clamp(18px, 3.2vw, 36px);
  --about-ink-text: rgba(242, 233, 216, 0.84);
  --about-paper-text: #12332B;
  display: block;
  background:
    linear-gradient(180deg, rgba(6, 18, 15, 0.9) 0, rgba(11, 31, 26, 0) 320px),
    var(--ink-800);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-about .about-hero {
  padding-top: clamp(18px, 3.4vw, 38px);
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.6vw, 44px);
  align-items: start;
}

.page-about .about-hero__text {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-about .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 233, 216, 0.2);
}

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

.page-about .breadcrumb__sep {
  color: var(--moss);
}

.page-about .breadcrumb [aria-current="page"] {
  color: var(--amber);
}

.page-about .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-about .about-hero h1 {
  margin: 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--about-ink-text);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
  margin: 6px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--stone);
}

.page-about .about-hero__facts .numeral {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--amber);
}

.page-about .about-hero__media {
  margin: 0;
  aspect-ratio: 12 / 7;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--ink-900);
}

.page-about .about-hero__media img,
.page-about .about-shot img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
  margin-top: clamp(30px, 5vw, 58px);
}

.page-about .about-rail {
  border-top: 2px solid var(--amber);
  padding-top: 12px;
  min-width: 0;
}

.page-about .about-rail__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-about .about-rail__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  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: center;
  gap: 8px;
  padding: 8px 10px;
  white-space: nowrap;
  font-size: 13px;
  text-decoration: none;
  color: rgba(242, 233, 216, 0.72);
  background: var(--ink-850);
  border: 1px solid var(--line);
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}

.page-about .about-rail__link .numeral {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .about-rail__link:hover .numeral,
.page-about .about-rail__link:focus-visible .numeral {
  color: var(--ink-900);
}

.page-about .about-flow {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.2vw, 26px);
  min-width: 0;
}

.page-about .about-chapter {
  position: relative;
  padding: var(--about-pad);
  border: 1px solid var(--line);
  background: var(--ink-850);
  scroll-margin-top: 96px;
}

.page-about .about-chapter--dark {
  background:
    linear-gradient(160deg, rgba(18, 51, 43, 0.72) 0, rgba(9, 26, 21, 0) 62%),
    var(--ink-850);
}

.page-about .about-chapter--paper {
  background: var(--paper);
  color: var(--about-paper-text);
  border-color: rgba(6, 18, 15, 0.2);
  box-shadow: var(--shadow-hard);
}

.page-about .about-chapter--eco {
  overflow: hidden;
  background:
    linear-gradient(200deg, rgba(92, 122, 94, 0.28) 0, rgba(11, 31, 26, 0) 55%),
    var(--ink-800);
}

.page-about .about-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 14px;
  align-items: baseline;
  margin-bottom: 16px;
}

.page-about .about-chapter__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5.4vw, 48px);
  line-height: 0.86;
  font-weight: 700;
  color: var(--amber);
}

.page-about .about-chapter--paper .about-chapter__num {
  color: var(--clay);
}

.page-about .about-chapter__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-chapter--paper .about-chapter__kicker {
  color: var(--clay);
}

.page-about .about-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.1vw, 30px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-chapter--paper .about-chapter__title {
  color: var(--ink-800);
}

.page-about .about-chapter__body {
  max-width: 62ch;
}

.page-about .about-chapter p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--about-ink-text);
}

.page-about .about-chapter--paper p {
  color: var(--about-paper-text);
}

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

.page-about .about-chapter__foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed rgba(6, 18, 15, 0.24);
  font-size: 13.5px;
  color: var(--clay) !important;
}

.page-about .about-chapter__foot--dark {
  border-top-color: var(--line);
  color: var(--stone) !important;
}

.page-about .about-chapter__foot--dark a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-about .about-chapter__foot--dark a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-about .method-track {
  position: relative;
  margin: 20px 0 0;
  padding: 0 0 0 20px;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .method-track::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 242, 208, 0.08));
}

.page-about .method-node {
  position: relative;
  padding: 12px 14px;
  background: rgba(11, 31, 26, 0.72);
  border: 1px solid var(--line);
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-about .method-node::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 19px;
  width: 9px;
  height: 9px;
  background: var(--amber);
}

.page-about .method-node:hover,
.page-about .method-node:focus-within,
.page-about .method-node:focus-visible {
  border-color: var(--line-strong);
  background: rgba(18, 51, 43, 0.9);
  transform: translateX(3px);
}

.page-about .method-node__step {
  margin: 0 0 4px;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-about .method-node__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-about .about-chapter .method-node__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 233, 216, 0.72);
}

.page-about .about-chapter .method-node__more {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(242, 233, 216, 0.62);
  border-top: 1px dashed var(--line);
  padding-top: 8px;
  margin-top: 8px;
}

@media (hover: hover) and (pointer: fine) {
  .page-about .method-node__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    border-top-color: transparent;
    padding-top: 0;
    margin-top: 0;
    transition: max-height 0.26s ease, opacity 0.2s ease, margin-top 0.2s ease,
      padding-top 0.2s ease, border-top-color 0.2s ease;
  }

  .page-about .method-node:hover .method-node__more,
  .page-about .method-node:focus-within .method-node__more {
    max-height: 160px;
    opacity: 1;
    margin-top: 8px;
    padding-top: 8px;
    border-top-color: var(--line);
  }
}

.page-about .service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 14px;
  margin-top: 18px;
}

.page-about .service-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(6, 18, 15, 0.2);
  border-top: 4px solid var(--clay);
}

.page-about .service-card:nth-child(1) {
  border-top-color: var(--cyan);
}

.page-about .service-card:nth-child(2) {
  border-top-color: var(--amber);
}

.page-about .service-card__label {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-about .service-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink-800);
}

.page-about .about-chapter .service-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-paper-text);
}

.page-about .confirm-path {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-about .confirm-step {
  position: relative;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--moss);
  background: rgba(6, 18, 15, 0.42);
  transition: border-left-color 0.18s ease, background-color 0.18s ease;
}

.page-about .confirm-step:hover {
  border-left-color: var(--cyan);
  background: rgba(18, 51, 43, 0.62);
}

.page-about .confirm-step__idx {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-about .confirm-step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-about .about-chapter .confirm-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(242, 233, 216, 0.76);
}

.page-about .method-note {
  margin-top: 16px;
  padding: 12px 14px;
  border-left: 3px solid var(--amber);
  background: rgba(242, 181, 68, 0.07);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 233, 216, 0.8);
}

.page-about .about-shot {
  margin: 0 0 18px;
  aspect-ratio: 25 / 16;
  border: 2px solid rgba(6, 18, 15, 0.34);
  background: var(--ink-900);
  overflow: hidden;
}

.page-about .about-shot--wide {
  aspect-ratio: 15 / 7;
  border-color: var(--line-strong);
  box-shadow: var(--shadow-soft);
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.page-about .team-copy {
  min-width: 0;
}

.page-about .team-ring-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 18px;
  background: var(--ink-800);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}

.page-about .team-ring-box {
  position: relative;
  width: 168px;
  aspect-ratio: 1 / 1;
}

.page-about .team-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from -90deg,
    var(--cyan) 0 39.13%,
    var(--amber) 39.13% 82.61%,
    var(--clay) 82.61% 100%
  );
  -webkit-mask: radial-gradient(circle at center, transparent 0 56%, #000 56%);
  mask: radial-gradient(circle at center, transparent 0 56%, #000 56%);
}

.page-about .team-ring__core {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-about .team-ring__core .numeral {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-about .team-legend {
  display: grid;
  gap: 7px;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: rgba(242, 233, 216, 0.78);
}

.page-about .team-legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-about .team-legend .numeral {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--paper);
}

.page-about .team-legend__dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
}

.page-about .team-legend__dot--cyan {
  background: var(--cyan);
}

.page-about .team-legend__dot--amber {
  background: var(--amber);
}

.page-about .team-legend__dot--clay {
  background: var(--clay);
}

.page-about .eco-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.4;
}

.page-about .eco-lines path {
  fill: none;
  stroke: var(--moss);
  stroke-width: 1;
}

.page-about .eco-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  position: relative;
}

.page-about .eco-card {
  padding: 16px;
  background: rgba(6, 18, 15, 0.55);
  border: 1px solid var(--line);
  transition: border-color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}

.page-about .eco-card:hover,
.page-about .eco-card:focus-visible,
.page-about .eco-card:focus-within {
  border-color: var(--cyan);
  background: rgba(18, 51, 43, 0.85);
  transform: translateY(-2px);
}

.page-about .eco-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .eco-card__title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-about .about-chapter .eco-card__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(242, 233, 216, 0.72);
}

.page-about .about-cta {
  padding: var(--about-pad);
  border: 2px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(53, 242, 208, 0.12) 0, rgba(11, 31, 26, 0) 58%),
    var(--ink-900);
  box-shadow: var(--shadow-soft);
}

.page-about .about-cta__title {
  margin: 10px 0 10px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-cta__text {
  margin: 0 0 16px;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--about-ink-text);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 700px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .confirm-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .team-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-about .about-body {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 92px;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-rail__link {
    width: 100%;
    justify-content: flex-start;
  }

  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-about .about-shot {
    aspect-ratio: 16 / 8.2;
  }

  .page-about .about-shot--wide {
    aspect-ratio: 15 / 7;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .method-node,
  .page-about .eco-card,
  .page-about .confirm-step,
  .page-about .about-rail__link {
    transition: none;
  }

  .page-about .method-node:hover,
  .page-about .method-node:focus-within,
  .page-about .eco-card:hover,
  .page-about .eco-card:focus-visible {
    transform: none;
  }
}