.page-about {
  --about-bd: 2px solid var(--graphite);
  --about-pad: clamp(16px, 2.6vw, 28px);
  background: var(--ink);
  color: var(--fog);
}

.page-about .breadcrumb {
  margin: 0;
  padding: clamp(14px, 2.2vw, 24px) 0 0;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  margin-top: clamp(14px, 2.2vw, 26px);
  padding: clamp(26px, 5vw, 62px) 0 clamp(22px, 3.4vw, 42px);
  border-top: var(--about-bd);
  border-bottom: var(--about-bd);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(62%, 640px);
  height: 100%;
  background:
    repeating-linear-gradient(135deg, rgba(200, 255, 61, .07) 0 2px, transparent 2px 16px),
    linear-gradient(152deg, var(--deep) 0%, transparent 64%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero h1 {
  margin: clamp(10px, 1.6vw, 18px) 0 clamp(14px, 2vw, 22px);
  font-size: clamp(31px, 6.4vw, 76px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -.02em;
  max-width: 15ch;
}

.page-about .about-hero__count {
  font-family: var(--font-mono);
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.03em;
}

.page-about .about-hero__lede {
  max-width: 54ch;
  margin: 0;
  color: rgba(237, 243, 234, .84);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 3.2vw, 36px) 0 0;
  padding: 0;
  background: var(--graphite);
  border: var(--about-bd);
  box-shadow: var(--shadow-hard);
}

.page-about .about-facts__cell {
  background: var(--char);
  padding: clamp(13px, 1.8vw, 20px);
  min-width: 0;
}

.page-about .about-facts dt {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-about .about-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1;
  color: var(--lime);
}

.page-about .about-facts dd small {
  font-size: .5em;
  color: var(--fog);
  margin-inline-start: 2px;
}

/* ---------- Shell ---------- */
.page-about .about-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.6vw, 40px);
  padding: clamp(28px, 4.6vw, 58px) 0 clamp(40px, 6vw, 76px);
}

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

/* ---------- Left index ---------- */
.page-about .about-index {
  border-top: var(--about-bd);
  border-bottom: var(--about-bd);
  padding: 12px 0;
}

.page-about .about-index__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0 0 4px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .04em;
  border-radius: var(--radius);
  transition: color .18s var(--ease), background-color .18s var(--ease);
}

.page-about .about-index__link .num {
  font-size: 11px;
  color: var(--lime-dim);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--fog);
  background: rgba(200, 255, 61, .08);
  outline: none;
}

.page-about .about-index__link:focus-visible {
  box-shadow: 0 0 0 2px var(--lime);
}

/* ---------- Sections ---------- */
.page-about .about-sec {
  padding-top: clamp(28px, 4.2vw, 50px);
  margin-top: clamp(28px, 4.2vw, 50px);
  border-top: var(--about-bd);
}

.page-about .about-sec:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-about .about-sec h2 {
  margin: clamp(12px, 1.8vw, 20px) 0 clamp(12px, 1.8vw, 18px);
  font-size: clamp(23px, 3.4vw, 40px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.01em;
  max-width: 24ch;
}

.page-about .about-sec p {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(237, 243, 234, .8);
}

.page-about .about-sec a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-sec a:hover {
  color: var(--lime-dim);
}

/* ---------- Timeline ---------- */
.page-about .timeline {
  position: relative;
  list-style: none;
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  padding: 0 0 0 24px;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--graphite);
}

.page-about .timeline__item {
  position: relative;
  padding-bottom: clamp(20px, 3vw, 32px);
}

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

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 10px;
  width: 10px;
  height: 10px;
  box-sizing: content-box;
  border: 2px solid var(--lime);
  border-radius: 50%;
  background: var(--ink);
}

.page-about .timeline__stamp {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-about .timeline__stamp--lg {
  font-size: clamp(34px, 6vw, 68px);
  font-weight: 200;
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--fog);
  font-variant-numeric: tabular-nums;
}

.page-about .timeline__item h3 {
  margin: 0 0 6px;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  letter-spacing: .01em;
}

.page-about .timeline__item p {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(237, 243, 234, .76);
}

/* ---------- Crew ---------- */
.page-about .crew {
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 18px);
}

.page-about .crew__item {
  position: relative;
  padding: var(--about-pad);
  border: var(--about-bd);
  border-radius: var(--radius);
  background: var(--char);
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.page-about .crew__item:hover {
  border-color: var(--lime-dim);
  transform: translateY(-2px);
}

.page-about .crew__idx {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--lime);
}

.page-about .crew__item h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 700;
}

.page-about .crew__item p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(237, 243, 234, .78);
  max-width: none;
}

.page-about .crew__meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--mist);
}

/* ---------- Figures ---------- */
.page-about .about-figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
  border: var(--about-bd);
  background: var(--char);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  max-width: 100%;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.82) contrast(1.06) brightness(.92);
}

.page-about .about-figure--wide img {
  aspect-ratio: 16 / 9;
}

.page-about .about-figure figcaption {
  padding: 10px 14px;
  border-top: var(--about-bd);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--mist);
}

/* ---------- Flow ---------- */
.page-about .flow {
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 2vw, 20px);
}

.page-about .flow__step {
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--graphite);
  transition: border-color .2s var(--ease);
}

.page-about .flow__step:hover {
  border-left-color: var(--lime);
}

.page-about .flow__num {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--lime-dim);
}

.page-about .flow__step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-about .flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: rgba(237, 243, 234, .75);
  max-width: none;
}

/* ---------- Compare ---------- */
.page-about .compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 2vw, 20px);
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-about .compare__col {
  padding: var(--about-pad);
  border: var(--about-bd);
  background: var(--char);
  min-width: 0;
}

.page-about .compare__col--new {
  border-color: var(--lime-dim);
  box-shadow: var(--shadow-hard);
}

.page-about .compare__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-about .compare__tag--live {
  color: var(--lime);
}

.page-about .compare__col ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-about .compare__col li {
  position: relative;
  padding: 9px 0 9px 16px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.65;
  color: rgba(237, 243, 234, .78);
}

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

.page-about .compare__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 6px;
  background: var(--graphite);
}

.page-about .compare__col--old li::before {
  background: var(--mist);
}

.page-about .compare__col--new li::before {
  background: var(--lime);
}

/* ---------- Guard ---------- */
.page-about .guard {
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--graphite);
  border: var(--about-bd);
}

.page-about .guard__item {
  background: var(--char);
  padding: clamp(14px, 2vw, 22px);
  min-width: 0;
}

.page-about .guard__value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1;
  color: var(--lime);
}

.page-about .guard__unit {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-about .guard__label {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(237, 243, 234, .74);
  max-width: none;
}

/* ---------- Eco ---------- */
.page-about .eco {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 2vw, 20px);
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-about .eco__block {
  padding: var(--about-pad);
  border: var(--about-bd);
  background: var(--char);
  min-width: 0;
}

.page-about .eco__block--accent {
  background: linear-gradient(150deg, var(--deep), var(--char) 72%);
  border-color: var(--lime-dim);
}

.page-about .eco__block h3 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-about .eco__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .eco__list li {
  position: relative;
  padding: 8px 0 8px 16px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.65;
  color: rgba(237, 243, 234, .78);
}

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

.page-about .eco__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--lime-dim);
}

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

.page-about .eco__more a.btn {
  text-decoration: none;
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  margin-top: clamp(32px, 5vw, 60px);
  padding: clamp(22px, 4vw, 44px);
  border: 2px solid var(--lime);
  background: linear-gradient(135deg, var(--deep), var(--char) 74%);
  box-shadow: var(--shadow-hard);
}

.page-about .about-cta h2 {
  margin: 10px 0 14px;
  font-size: clamp(22px, 3.2vw, 36px);
  line-height: 1.16;
  font-weight: 800;
  max-width: 22ch;
}

.page-about .about-cta p {
  margin: 0 0 18px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(237, 243, 234, .82);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-cta__actions .btn {
  text-decoration: none;
}

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

  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-about .compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .eco {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .guard {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-about .about-shell {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    border-top: 0;
    border-bottom: 0;
    border-left: var(--about-bd);
    padding: 0 0 0 16px;
  }

  .page-about .about-index__list {
    display: block;
    overflow: visible;
    margin-top: 14px;
    padding: 0;
  }

  .page-about .about-index__list li + li {
    margin-top: 2px;
  }

  .page-about .about-index__link {
    white-space: normal;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 7px 10px;
  }

  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    border-left-color: var(--lime);
  }

  .page-about .about-figure,
  .page-about .about-figure--wide {
    max-width: 860px;
  }
}

@media (min-width: 1280px) {
  .page-about .about-sec h2 {
    max-width: 26ch;
  }

  .page-about .about-hero__lede {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .crew__item,
  .page-about .flow__step,
  .page-about .about-index__link {
    transition: none;
  }

  .page-about .crew__item:hover {
    transform: none;
  }
}