.page-about {
  --about-royal-tint: rgba(10, 36, 99, 0.04);
  --about-gold-thin: rgba(201, 160, 99, 0.28);
  --about-gold-soft: rgba(201, 160, 99, 0.12);
  --about-dark-blue: rgba(7, 26, 63, 0.04);
  padding-bottom: 96px;
}

.page-about > .container:first-child {
  padding-top: 116px;
  padding-bottom: 10px;
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 64px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -80px;
  width: 360px;
  height: 360px;
  border: 1px solid var(--about-gold-thin);
  transform: rotate(45deg);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -20px;
  right: -40px;
  width: 240px;
  height: 240px;
  border: 1px solid var(--about-gold-soft);
  transform: rotate(45deg);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}

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

.page-about .about-hero__index {
  margin-bottom: 18px;
}

.page-about .about-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 7vw, 5.2rem);
  line-height: 1.14;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--royal);
  margin: 0 0 24px;
  max-width: 11em;
}

.page-about .about-hero__lead {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--dark);
  max-width: 34em;
  margin-bottom: 32px;
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--gold-line);
  padding-top: 20px;
}

.page-about .about-hero__meta-item {
  background: var(--about-royal-tint);
  border: 1px solid var(--about-gold-thin);
  padding: 10px 16px;
  min-width: 0;
}

.page-about .about-hero__meta-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--gray);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.page-about .about-hero__meta-value {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--royal);
  white-space: nowrap;
}

.page-about .about-hero__visual {
  margin: 0;
  border: 1px solid var(--about-gold-thin);
  background: var(--bg);
  position: relative;
  max-width: 640px;
}

.page-about .about-hero__visual::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid var(--gold-light);
  pointer-events: none;
  z-index: 1;
}

.page-about .about-hero__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  position: relative;
  z-index: 0;
}

.page-about .about-layout {
  padding-top: 24px;
}

.page-about .about-index {
  background: var(--royal);
  padding: 20px;
  margin-bottom: 40px;
  border-top: 3px solid var(--gold);
}

.page-about .about-index__title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin: 0 0 14px;
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
}

.page-about .about-index__item {
  margin: 0;
}

.page-about .about-index__item a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: rgba(241, 223, 180, 0.85);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  text-decoration: none;
  padding: 6px 0;
  transition: color 0.2s ease, background 0.2s ease;
}

.page-about .about-index__item a span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold);
}

.page-about .about-index__item a:hover,
.page-about .about-index__item a:focus-visible {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 6px;
}

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

.page-about .about-section {
  padding: 56px 0;
  border-top: 1px solid var(--gold-line);
}

.page-about .about-section:first-child {
  border-top: 0;
}

.page-about .about-section__intro {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--gray);
  max-width: 38em;
  margin: 20px 0 0;
}

.page-about .about-timeline__visual {
  margin: 0 0 24px;
  border: 1px solid var(--about-gold-thin);
  background: var(--bg);
}

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

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

.page-about .about-timeline__item {
  position: relative;
  padding-left: 64px;
  padding-bottom: 36px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold), var(--about-gold-thin));
}

.page-about .about-timeline__item:last-child::before {
  bottom: 36px;
}

.page-about .about-timeline__node {
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--royal-deep);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 1px var(--gold);
}

.page-about .about-timeline__body h3 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  color: var(--royal);
  margin: 0 0 8px;
}

.page-about .about-timeline__body p {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--dark);
  max-width: 42em;
  margin: 0;
}

.page-about .about-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.page-about .about-stat {
  background: var(--bg);
  border: 1px solid var(--gold-line);
  padding: 24px 18px;
  position: relative;
  border-top: 3px solid var(--gold);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.page-about .about-stat:hover {
  background: var(--about-dark-blue);
  border-color: var(--gold);
}

.page-about .about-stat__num {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 600;
  color: var(--royal);
  display: block;
  line-height: 1;
  letter-spacing: -0.01em;
}

.page-about .about-stat__unit {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-top: 8px;
  text-transform: uppercase;
}

.page-about .about-stat__desc {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--gray);
  margin: 12px 0 0;
}

.page-about .about-capabilities__note {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--gray);
  max-width: 40em;
  margin: 24px 0 0;
  padding-left: 18px;
  border-left: 1px solid var(--gold);
}

.page-about .about-credentials__grid {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}

.page-about .about-credentials__visual {
  margin: 0;
  border: 1px solid var(--about-gold-thin);
  background: var(--bg);
  align-self: start;
}

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

.page-about .about-credentials__content h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--royal);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--about-gold-thin);
}

.page-about .about-credentials__content h3:not(:first-child) {
  margin-top: 28px;
}

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

.page-about .about-credential-item {
  border-left: 1px solid var(--gold);
  padding: 14px 0 14px 20px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-about .about-credential-item:hover,
.page-about .about-credential-item:focus-within {
  background: var(--about-royal-tint);
}

.page-about .about-credential-item h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--royal);
  margin: 0 0 8px;
}

.page-about .about-credential-item p {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--gray);
  margin: 0;
}

.page-about .about-ecosystem__text {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--dark);
  max-width: 42em;
  margin: 0;
}

.page-about .about-promise__grid {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.page-about .about-promise__item {
  border: 1px solid var(--gold-line);
  background: var(--about-dark-blue);
  padding: 24px;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-about .about-promise__item:hover {
  border-color: var(--gold);
  background: var(--bg);
}

.page-about .about-promise__item h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--royal);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--about-gold-thin);
}

.page-about .about-promise__item p {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--dark);
  margin: 0;
}

.page-about .about-contact-boundary {
  margin-top: 32px;
  border: 1px solid var(--royal);
  border-top-width: 4px;
  padding: 24px;
  background: var(--bg);
}

.page-about .about-contact-boundary h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--royal);
  margin: 0 0 12px;
}

.page-about .about-contact-boundary > p {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.75;
  margin: 0 0 16px;
  max-width: 42em;
}

.page-about .about-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-contact-list li {
  display: grid;
  grid-template-columns: 5em 1fr;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.6;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--about-gold-soft);
}

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

.page-about .about-contact-list li > span:first-child {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  word-break: keep-all;
}

.page-about .about-contact-list a {
  color: var(--royal);
  text-decoration: none;
  border-bottom: 1px solid var(--about-gold-thin);
  overflow-wrap: anywhere;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-contact-list a:hover,
.page-about .about-contact-list a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.page-about .about-next {
  margin-top: 40px;
  border: 1px solid var(--gold-line);
  background: var(--about-royal-tint);
  padding: 28px 24px;
  display: grid;
  gap: 20px;
}

.page-about .about-next__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 8px;
}

.page-about .about-next__text {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--dark);
  margin: 0;
}

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

@media (min-width: 1024px) {
  .page-about > .container:first-child {
    padding-top: 132px;
  }

  .page-about .about-hero {
    padding: 56px 0 88px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 72px;
  }

  .page-about .about-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-top: 8px;
  }

  .page-about .about-index {
    position: sticky;
    top: 120px;
    padding: 26px 22px;
    background: transparent;
    border: 1px solid var(--gold-line);
    border-top-width: 3px;
    border-top-color: var(--gold);
    margin-bottom: 0;
  }

  .page-about .about-index__title {
    color: var(--royal);
    margin-bottom: 20px;
  }

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

  .page-about .about-index__item a {
    width: 100%;
    color: var(--royal);
    padding: 8px 0;
    border-bottom: 1px solid var(--about-gold-soft);
  }

  .page-about .about-index__item a span {
    color: var(--gold);
  }

  .page-about .about-index__item a:hover,
  .page-about .about-index__item a:focus-visible {
    color: var(--accent);
    background: var(--about-royal-tint);
    text-decoration: none;
  }

  .page-about .about-section {
    padding: 72px 0;
  }

  .page-about .about-timeline-wrap {
    display: grid;
    gap: 36px;
    margin-top: 28px;
  }

  .page-about .about-timeline__visual {
    margin-bottom: 0;
  }

  .page-about .about-timeline__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px 48px;
  }

  .page-about .about-timeline__item::before {
    left: 18px;
  }

  .page-about .about-stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-credentials__grid {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 48px;
  }

  .page-about .about-credentials__visual {
    position: sticky;
    top: 140px;
  }

  .page-about .about-promise__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-next {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 32px;
    align-items: center;
  }
}