.page-about {
  --about-text: rgba(244, 247, 251, 0.76);
  --about-rule: 2px solid var(--line);
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--about-rule);
  padding: clamp(18px, 3vw, 28px) var(--gutter) clamp(36px, 6vw, 68px);
  background-color: var(--ink);
  background-image: radial-gradient(120% 90% at 86% 0%, rgba(255, 90, 31, 0.18) 0%, rgba(14, 17, 22, 0) 60%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(42, 52, 66, 0.7) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(to bottom, rgba(42, 52, 66, 0.5) 0 1px, transparent 1px 88px);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0) 92%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0) 92%);
}

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

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-about .breadcrumb__link {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.page-about .breadcrumb__link:hover,
.page-about .breadcrumb__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

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

.page-about .breadcrumb__current {
  color: var(--paper);
}

.page-about .section-kicker {
  margin: clamp(22px, 4vw, 34px) 0 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(38px, 7.2vw, 84px);
  line-height: 1;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-about .about-hero__title .accent {
  color: var(--orange);
}

.page-about .about-hero__lead {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--about-text);
}

.page-about .about-hero__facts {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 15px;
  border: 2px solid var(--line);
  background-color: rgba(21, 26, 34, 0.72);
  font-size: 13px;
  color: var(--fog);
}

.page-about .about-hero__facts span {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-about .about-layout {
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-about .about-index {
  padding: 26px 0 0;
}

.page-about .about-index__head {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fog);
}

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

.page-about .about-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 2px solid var(--line);
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.page-about .about-index__link span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--orange);
  letter-spacing: 0.08em;
}

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

.page-about .about-section {
  padding: clamp(38px, 6vw, 68px) 0;
  border-top: var(--about-rule);
  scroll-margin-top: 20px;
}

.page-about .sec-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-about .sec-head__num {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(48px, 9vw, 92px);
  line-height: 0.8;
  letter-spacing: -0.02em;
  color: var(--steel);
}

.page-about .sec-head__title {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(25px, 3.8vw, 40px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--paper);
  max-width: 22ch;
}

.page-about .about-section p {
  margin: 0 0 14px;
  color: var(--about-text);
  font-size: 15px;
  line-height: 1.85;
}

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

.page-about .num {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-about .sec-head__title + p {
  margin-top: 0;
}

.page-about .about-note {
  margin-top: 18px !important;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
  font-size: 14px !important;
}

.page-about .about-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.45);
}

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

.page-about .media-frame {
  position: relative;
  margin: 26px 0 0;
  border: var(--about-rule);
  background-color: var(--ink-2);
  box-shadow: var(--hard-shadow);
  overflow: hidden;
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-about .media-frame--wide {
  aspect-ratio: 16 / 9;
}

.page-about .media-frame--tall {
  aspect-ratio: 3 / 2;
}

.page-about .aud-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-about .aud-card {
  border: var(--about-rule);
  border-top: 4px solid var(--orange);
  background-color: var(--ink-2);
  padding: 18px 16px 22px;
}

.page-about .aud-card .aud-card__tag {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-about .aud-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--paper);
}

.page-about .aud-card p {
  font-size: 14px;
  line-height: 1.8;
}

.page-about .duty-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-about .duty {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 2px solid var(--line);
}

.page-about .duty:last-child {
  border-bottom: 2px solid var(--line);
}

.page-about .duty__idx {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-about .duty__body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .col-grid {
  margin-top: 22px;
  border-top: 2px solid var(--line);
}

.page-about .col-item {
  padding: 16px 0;
  border-bottom: 2px solid var(--line);
}

.page-about .col-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .col-item__num {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-about .col-item p {
  font-size: 14px;
}

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

.page-about .timeline__item {
  position: relative;
  padding: 0 0 22px 26px;
  border-left: 2px solid var(--line);
}

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

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 10px;
  height: 10px;
  background-color: var(--ink);
  border: 2px solid var(--orange);
  border-radius: 50%;
}

.page-about .timeline__year {
  margin: 0 0 4px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-about .timeline__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .timeline__item p {
  font-size: 14px;
}

.page-about .quality-stats {
  display: grid;
  gap: 18px;
  margin: 24px 0 24px;
}

.page-about .qstat {
  border-top: 3px solid var(--orange);
  padding-top: 14px;
}

.page-about .qstat__num {
  font-family: var(--mono);
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-about .qstat__num span {
  margin-left: 4px;
  font-size: 0.42em;
  font-weight: 500;
  color: var(--orange);
  letter-spacing: 0;
}

.page-about .qstat__label {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fog);
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-about .about-cta .button {
  text-decoration: none;
}

.page-about .about-next {
  max-width: var(--content);
  margin: 0 auto;
  padding: clamp(30px, 5vw, 52px) var(--gutter) 0;
  display: grid;
  gap: 10px;
}

.page-about .about-next a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  border: var(--about-rule);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.15s ease;
}

.page-about .about-next a::after {
  content: "→";
  font-family: var(--mono);
  font-size: 16px;
  color: var(--orange);
}

.page-about .about-next a:hover,
.page-about .about-next a:focus-visible {
  border-color: var(--orange);
  background-color: var(--ink-2);
  transform: translateY(-2px);
}

.page-about a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 700px) {
  .page-about .duty {
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 0;
  }

  .page-about .quality-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .col-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 4vw, 48px);
  }

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

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

@media (min-width: 860px) {
  .page-about .timeline {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    gap: clamp(14px, 2.4vw, 28px);
  }

  .page-about .timeline__item {
    padding: 24px 0 0;
    border-left: 0;
    border-top: 2px solid var(--line);
  }

  .page-about .timeline__item::before {
    left: 0;
    top: -7px;
  }

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

@media (min-width: 980px) {
  .page-about .about-layout {
    display: grid;
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: 24px;
    padding-top: 56px;
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 0;
    flex-wrap: nowrap;
  }

  .page-about .about-index__link {
    width: 100%;
    border: 0;
    border-left: 2px solid var(--line);
    padding: 10px 0 10px 14px;
    transition: border-color 0.15s ease, color 0.15s ease;
  }

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

  .page-about .about-section p {
    font-size: 16px;
    max-width: 68ch;
  }

  .page-about .media-frame {
    margin-top: 30px;
  }
}