.page-about {
  background: var(--navy);
  color: var(--paper);
  scroll-behavior: smooth;
}

.page-about__progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 99;
  background: linear-gradient(90deg, var(--volt), var(--orange));
  transform: scaleX(0);
  transform-origin: 0 0;
}

.page-about__hero {
  position: relative;
  padding: 2.5rem clamp(1rem, 4vw, 4rem) 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(213, 255, 63, 0.08), transparent 42%),
    linear-gradient(145deg, var(--navy) 0%, var(--river) 135%);
  overflow: hidden;
}

.page-about__hero::before {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -12%;
  width: 45%;
  height: 60%;
  background: linear-gradient(145deg, transparent 20%, rgba(215, 196, 163, 0.08));
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about__hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-about__breadcrumb {
  margin-bottom: 2rem;
}

.page-about__hero-grid {
  display: grid;
  gap: 2rem;
  align-items: stretch;
}

.page-about__hero-copy {
  max-width: 760px;
}

.page-about__eyebrow {
  color: var(--volt);
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.page-about__display {
  margin: 0;
  font-weight: 100;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--paper);
}

.page-about__display-line {
  display: block;
  font-size: clamp(3.4rem, 13vw, 10rem);
}

.page-about__display-sub {
  display: block;
  font-size: clamp(1.3rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--volt);
  margin-top: 0.75rem;
  letter-spacing: -0.02em;
}

.page-about__lede {
  margin-top: 1.75rem;
  color: var(--paper);
  line-height: 1.8;
  max-width: 60ch;
}

.page-about__hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-about__hero-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 0;
}

.page-about__hero-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 1;
}

.page-about__shell {
  display: grid;
  gap: 2rem;
  padding: 3rem clamp(1rem, 4vw, 4rem) 4rem;
  max-width: 1280px;
  margin: 0 auto;
}

.page-about__toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  background: rgba(242, 245, 243, 0.04);
  border: 1px solid rgba(242, 245, 243, 0.1);
  border-radius: var(--radius);
  padding: 1rem;
}

.page-about__toc-label {
  flex-basis: 100%;
  color: var(--slate);
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.page-about__toc-link {
  color: var(--paper);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(242, 245, 243, 0.14);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-about__toc-link:hover,
.page-about__toc-link.is-active {
  background: var(--volt);
  color: var(--navy);
  border-color: var(--volt);
}

.page-about__content {
  display: grid;
  gap: 0;
}

.page-about__chapter {
  position: relative;
  padding: 3rem 1.25rem;
  border-radius: var(--radius);
  background: rgba(28, 91, 120, 0.1);
  border: 1px solid rgba(242, 245, 243, 0.06);
  margin-bottom: 2rem;
  overflow: hidden;
}

.page-about__chapter::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-about__chapter-head,
.page-about__chapter-body {
  position: relative;
  z-index: 1;
}

.page-about__chapter--wine {
  background: var(--wine);
}

.page-about__chapter--wine::before {
  background: radial-gradient(circle at 85% 10%, rgba(255, 107, 26, 0.16), transparent 42%);
}

.page-about__chapter--indigo {
  background: var(--indigo);
}

.page-about__chapter--indigo::before {
  background: radial-gradient(circle at 75% 20%, rgba(213, 255, 63, 0.07), transparent 38%);
}

.page-about__chapter--indigo::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  border: 2px solid rgba(215, 196, 163, 0.22);
  border-radius: 50%;
  box-shadow:
    0 -24px 0 -8px rgba(215, 196, 163, 0.12),
    0 -48px 0 -8px rgba(215, 196, 163, 0.05);
  pointer-events: none;
}

.page-about__chapter--sand {
  background: var(--sand);
  color: var(--navy);
}

.page-about__chapter-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-about__chapter-no {
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--volt);
  letter-spacing: 0.08em;
}

.page-about__chapter--sand .page-about__chapter-no {
  color: var(--orange);
}

.page-about__chapter-head h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-about__chapter-body p {
  line-height: 1.8;
  max-width: 68ch;
  margin: 0 0 1rem;
}

.page-about__stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
}

.page-about__stat {
  border: 1px solid rgba(242, 245, 243, 0.14);
  border-radius: var(--radius);
  padding: 1rem;
  background: linear-gradient(145deg, rgba(213, 255, 63, 0.08), rgba(255, 107, 26, 0.05));
}

.page-about__stat-num {
  display: block;
  font-family: var(--font-data);
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--volt);
}

.page-about__stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--slate);
  margin-top: 0.25rem;
}

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

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(to bottom, var(--volt) 0%, var(--orange) 70%, transparent 100%);
}

.page-about__milestone {
  position: relative;
  padding: 0 0 2.5rem 3.25rem;
}

.page-about__milestone::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--navy);
  border: 4px solid var(--volt);
  box-shadow: 0 0 0 6px rgba(213, 255, 63, 0.15);
}

.page-about__milestone-year {
  display: block;
  font-family: var(--font-data);
  font-size: 2.5rem;
  line-height: 1;
  font-weight: 900;
  color: var(--volt);
  opacity: 0.9;
  margin-bottom: 0.75rem;
}

.page-about__milestone-card {
  background: rgba(11, 19, 32, 0.35);
  border: 1px solid rgba(242, 245, 243, 0.12);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.page-about__milestone-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.page-about__milestone-card p {
  margin: 0;
  line-height: 1.7;
}

.page-about__milestone-version {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--volt);
  border: 1px solid rgba(213, 255, 63, 0.3);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
}

.page-about__timeline-media {
  position: relative;
  padding-left: 3.25rem;
  margin-bottom: 2.5rem;
}

.page-about__timeline-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-about__security-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-about__security-figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about__security-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(213, 255, 63, 0.1), rgba(28, 91, 120, 0.2));
  mix-blend-mode: screen;
  pointer-events: none;
}

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

.page-about__security-list {
  list-style: none;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  margin: 2rem 0 0;
  padding: 0;
}

.page-about__security-item {
  border: 1px solid rgba(242, 245, 243, 0.14);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  color: var(--paper);
  font-size: 0.9rem;
  line-height: 1.5;
  background: rgba(28, 91, 120, 0.08);
}

.page-about__palette {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
  padding: 0;
}

.page-about__palette-item {
  min-height: 5.5rem;
  display: flex;
  align-items: flex-end;
  border-radius: var(--radius);
  padding: 1rem;
  font-weight: 500;
  font-size: 0.85rem;
  border: 1px solid rgba(242, 245, 243, 0.2);
}

.page-about__palette-item--navy {
  background: var(--navy);
  color: var(--paper);
}

.page-about__palette-item--volt {
  background: var(--volt);
  color: var(--navy);
}

.page-about__palette-item--orange {
  background: var(--orange);
  color: var(--navy);
}

.page-about__palette-item--sand {
  background: var(--sand);
  color: var(--navy);
}

.page-about__palette-item--river {
  background: var(--river);
  color: var(--paper);
}

.page-about__palette-item--wine {
  background: var(--wine);
  color: var(--paper);
}

.page-about__ecosystem-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about__ecosystem-link {
  color: var(--paper);
  text-decoration: none;
  border: 1px solid rgba(242, 245, 243, 0.2);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-about__ecosystem-link:hover {
  background: var(--volt);
  color: var(--navy);
  border-color: var(--volt);
}

.page-about__trust-list {
  display: grid;
  gap: 1rem;
  margin: 2rem 0 0;
}

.page-about__trust-list div {
  border: 1px solid rgba(11, 19, 32, 0.14);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.18);
}

.page-about__trust-list dt {
  font-family: var(--font-data);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--river);
  margin-bottom: 0.35rem;
}

.page-about__trust-list dd {
  margin: 0;
  color: var(--navy);
  line-height: 1.6;
}

@media (min-width: 700px) {
  .page-about__hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: stretch;
  }

  .page-about__hero-figure {
    align-self: stretch;
    min-height: 320px;
  }

  .page-about__hero-img {
    height: 100%;
    min-height: inherit;
    aspect-ratio: auto;
    object-fit: cover;
  }
}

@media (min-width: 860px) {
  .page-about__shell {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 3rem;
    padding: 4rem 3rem 5rem;
  }

  .page-about__toc {
    position: sticky;
    top: 2rem;
    display: grid;
    gap: 0.4rem;
    padding: 1.25rem;
    align-self: start;
  }

  .page-about__toc-label {
    margin-bottom: 0.5rem;
  }

  .page-about__toc-link {
    border: 0;
    border-radius: 0;
    padding: 0.55rem 0.75rem;
    border-left: 2px solid rgba(242, 245, 243, 0.14);
  }

  .page-about__toc-link:hover,
  .page-about__toc-link.is-active {
    background: transparent;
    color: var(--volt);
    border-left-color: var(--volt);
  }

  .page-about__chapter {
    padding: 4rem 3rem;
    margin-bottom: 3rem;
  }

  .page-about__milestone {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 2rem;
    padding: 0 0 3rem;
  }

  .page-about__milestone-year {
    margin: 0;
    text-align: right;
    font-size: 4rem;
    opacity: 0.5;
  }

  .page-about__timeline::before {
    left: calc(160px + 1rem);
  }

  .page-about__milestone::before {
    left: calc(160px + 3px);
    top: 8px;
  }

  .page-about__timeline-media {
    padding-left: calc(160px + 2rem);
    margin-bottom: 3rem;
  }

  .page-about__security-grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  }

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

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

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

@media (min-width: 960px) {
  .page-about__display-line {
    font-size: clamp(6rem, 12vw, 11rem);
  }
}