.page-about {
  --page-pad: clamp(1.25rem, 4vw, 3.5rem);
  background:
    radial-gradient(circle at 82% 6%, rgba(212, 175, 55, 0.06), transparent 30%),
    radial-gradient(circle at 12% 46%, rgba(0, 229, 204, 0.04), transparent 26%),
    var(--color-ink);
  color: var(--color-text);
  padding: 0 0 4rem;
  overflow-x: clip;
  display: flex;
  flex-direction: column;
}

.page-about .breadcrumbs {
  max-width: var(--max-w);
  width: 100%;
  margin-inline: auto;
  padding: 1rem var(--page-pad) 0;
}

.page-about .breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .breadcrumb-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumb-link:hover,
.page-about .breadcrumb-link:focus-visible {
  color: var(--color-gold);
}

.page-about .breadcrumb-current {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-gold);
}

.page-about .section-block {
  position: relative;
  max-width: var(--max-w);
  width: 100%;
  margin-inline: auto;
  padding: var(--page-pad);
}

.page-about .section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin: 0 0 0.75rem;
}

.page-about .section-label::before {
  content: "";
  width: 2rem;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  flex-shrink: 0;
}

.page-about h1,
.page-about h2 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}

.page-about h1 {
  font-size: clamp(2rem, 5vw, 3.75rem);
  max-width: 14em;
}

.page-about h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-about .section-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 38em;
  margin: 0 0 1.5rem;
}

.page-about img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-about .img-frame {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: var(--color-panel);
}

.page-about .img-frame figcaption {
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-line);
}

.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8em 1.5em;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-about .btn-gold {
  background: linear-gradient(120deg, var(--color-gold), var(--color-gold-soft));
  color: var(--color-ink);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.18);
}

.page-about .btn-gold:hover,
.page-about .btn-gold:focus-visible {
  box-shadow: 0 10px 34px rgba(212, 175, 55, 0.42);
  transform: translateY(-2px);
}

.page-about .btn-ghost {
  border-color: var(--color-line);
  color: var(--color-text);
  background: transparent;
}

.page-about .btn-ghost:hover,
.page-about .btn-ghost:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

.page-about .about-hero {
  isolation: isolate;
  padding-top: clamp(2.25rem, 6vw, 4.5rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, transparent 0 56%, rgba(212, 175, 55, 0.07) 56% 70%, transparent 70%),
    radial-gradient(circle at 86% 18%, rgba(0, 229, 204, 0.09), transparent 32%),
    radial-gradient(circle at 68% 80%, rgba(212, 175, 55, 0.06), transparent 40%);
  clip-path: polygon(0 0, 76% 0, 100% 20%, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: clamp(1rem, 4vw, 3rem);
  top: clamp(2rem, 5vw, 4rem);
  width: clamp(90px, 14vw, 160px);
  height: clamp(90px, 14vw, 160px);
  border-radius: 50%;
  border: 1px dashed var(--color-line);
  background:
    radial-gradient(circle at 42% 36%, rgba(212, 175, 55, 0.35), transparent 28%),
    radial-gradient(circle, rgba(0, 229, 204, 0.1), transparent 60%);
  animation: about-pulse 8s infinite alternate ease-in-out;
  pointer-events: none;
}

.page-about .about-hero-lead {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.6vw, 1.1875rem);
  line-height: 1.85;
  color: var(--color-muted);
  max-width: 42em;
  margin: 0;
}

.page-about .about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-aqua);
  margin-top: 1.5rem;
}

.page-about .about-hero-meta::before {
  content: "●";
  color: var(--color-gold);
  font-size: 0.7em;
}

.page-about .skew-strip {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), var(--color-aqua), transparent);
  opacity: 0.5;
  transform: skewY(-1.5deg);
  margin-bottom: 0.5rem;
}

.page-about .about-idea {
  text-align: center;
}

.page-about .about-idea .section-label,
.page-about .about-idea h2 {
  justify-content: center;
}

.page-about .about-idea .section-label::after {
  content: "";
  width: 2rem;
  height: 2px;
  background: linear-gradient(270deg, var(--color-gold), transparent);
  flex-shrink: 0;
}

.page-about .about-idea-lead {
  font-family: var(--font-body);
  font-size: clamp(1.0625rem, 2vw, 1.375rem);
  line-height: 1.8;
  color: var(--color-text);
  max-width: 34em;
  margin: 0 auto 1.5rem;
}

.page-about .about-idea-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
  text-align: left;
}

.page-about .about-idea-copy p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-muted);
  margin: 0 0 1.125rem;
}

.page-about .about-idea-image {
  align-self: center;
}

.page-about .about-idea-image img {
  width: 100%;
}

.page-about .about-journey {
  background:
    linear-gradient(180deg, rgba(15, 42, 34, 0.65) 0%, rgba(11, 31, 26, 0.8) 100%);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding-top: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-about .about-journey-bg {
  position: relative;
  margin: 1.25rem 0 2rem;
}

.page-about .about-journey-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(11, 31, 26, 0.18), rgba(11, 31, 26, 0.7));
  pointer-events: none;
}

.page-about .about-journey-bg img {
  width: 100%;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 1.25rem;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold) 0%, var(--color-aqua) 60%, transparent 100%);
  opacity: 0.55;
}

.page-about .about-timeline-item {
  position: relative;
  padding: 1.5rem;
  margin-left: 1.5rem;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-about .about-timeline-item:hover,
.page-about .about-timeline-item:focus-within {
  border-color: var(--color-gold);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22);
  transform: translateY(-2px);
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 1.85rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.12), 0 0 18px rgba(212, 175, 55, 0.5);
}

.page-about .about-timeline-year {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--color-aqua);
}

.page-about .about-timeline-item h3 {
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0.35rem 0 0.5rem;
  color: var(--color-text);
}

.page-about .about-timeline-item p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-muted);
  margin: 0;
  max-width: 34em;
}

.page-about .about-data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-about .about-data-card {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: clamp(1.75rem, 3.5vw, 2.5rem) 1.25rem 1.75rem;
  background: linear-gradient(165deg, var(--color-panel) 0%, rgba(11, 31, 26, 0.6) 100%);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-about .about-data-card::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 2.25rem;
  transform: translateX(-50%);
  width: 8rem;
  height: 8rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.14), transparent 66%);
  pointer-events: none;
}

.page-about .about-data-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  opacity: 0.3;
  transition: opacity 0.25s ease;
}

.page-about .about-data-card:hover,
.page-about .about-data-card:focus-within {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-panel);
  transform: translateY(-4px);
}

.page-about .about-data-card:hover::after,
.page-about .about-data-card:focus-within::after {
  opacity: 0.85;
}

.page-about .about-data-num {
  position: relative;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3rem);
  color: var(--color-gold);
  margin: 0 0 0.25rem;
}

.page-about .about-data-card h3 {
  position: relative;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.5rem;
}

.page-about .about-data-card p:last-child {
  position: relative;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
  max-width: 22em;
  margin-inline: auto;
}

.page-about .about-data-note {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--color-muted);
  border-left: 2px solid var(--color-gold);
  padding: 0.25rem 0 0.25rem 1rem;
  margin: 1.5rem 0 0;
  max-width: 48em;
}

.page-about .about-team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
}

.page-about .about-team-copy p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--color-muted);
  margin: 0 0 1rem;
}

.page-about .about-credential-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-about .about-credential-list li {
  position: relative;
  padding-left: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text);
}

.page-about .about-credential-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-soft));
  transform: rotate(12deg);
}

.page-about .about-team-copy .btn {
  margin-top: 0.5rem;
}

.page-about .about-team-image img {
  width: 100%;
}

.page-about .about-outro {
  text-align: center;
  padding-top: clamp(2rem, 5vw, 4rem);
}

.page-about .about-outro .section-label,
.page-about .about-outro h2 {
  justify-content: center;
}

.page-about .about-outro .section-label::after {
  content: "";
  width: 2rem;
  height: 2px;
  background: linear-gradient(270deg, var(--color-gold), transparent);
  flex-shrink: 0;
}

.page-about .about-outro p {
  font-family: var(--font-body);
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 36em;
  margin: 0 auto 1.25rem;
}

.page-about .about-outro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

@media (min-width: 720px) {
  .page-about .about-idea-body {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

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

  .page-about .about-team-layout {
    grid-template-columns: 2fr 3fr;
  }
}

@media (min-width: 960px) {
  .page-about .about-data-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 3rem;
  }

  .page-about .about-timeline::before {
    left: 50%;
    margin-left: -1px;
  }

  .page-about .about-timeline-item {
    margin-left: 0;
  }

  .page-about .about-timeline-item:nth-child(odd) {
    grid-column: 1;
    text-align: right;
  }

  .page-about .about-timeline-item:nth-child(even) {
    grid-column: 2;
  }

  .page-about .about-timeline-item:nth-child(odd)::before {
    left: auto;
    right: -1.6rem;
  }

  .page-about .about-timeline-item:nth-child(even)::before {
    left: -1.6rem;
  }

  .page-about .about-timeline-item:nth-child(odd) p {
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero::after {
    animation: none;
  }

  .page-about .about-data-card,
  .page-about .about-timeline-item,
  .page-about .btn {
    transition: none;
    transform: none;
  }
}