.page-about {
  --about-glow: 0 0 32px rgba(212, 175, 55, 0.18);
  --about-organic: 44% 56% 60% 40% / 52% 44% 56% 48%;
  background: var(--c-primary);
  color: var(--c-light);
  overflow-x: hidden;
}

/* ===== Hero ===== */
.page-about .page-about-crumb {
  padding-top: var(--space-lg);
}

.page-about .about-hero {
  position: relative;
  padding: var(--space-lg) 0 0;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  top: -80px;
  right: -100px;
  background: radial-gradient(circle at 30% 40%, rgba(46, 139, 87, 0.32), transparent 70%);
  border-radius: var(--about-organic);
  z-index: 0;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  bottom: -60px;
  left: -80px;
  background: radial-gradient(circle at 50% 50%, rgba(46, 30, 94, 0.5), transparent 70%);
  border-radius: 62% 38% 45% 55% / 48% 55% 45% 52%;
  z-index: 0;
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

.page-about .about-hero-copy {
  padding-top: var(--space-md);
}

.page-about .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 14px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-prairie);
  border-left: 3px solid var(--c-gold);
  padding-left: var(--space-sm);
}

.page-about .about-hero h1 {
  font-family: var(--f-display);
  font-size: clamp(2.2rem, 6vw, 3.9rem);
  line-height: 1.14;
  color: var(--c-gold);
  margin: var(--space-md) 0;
  letter-spacing: 0.02em;
}

.page-about .about-hero h1 span {
  display: block;
  color: var(--c-light);
  font-family: var(--f-body);
  font-size: clamp(1rem, 2.4vw, 1.4rem);
  font-weight: 500;
  line-height: 1.5;
  margin-top: var(--space-sm);
  max-width: 22em;
}

.page-about .about-hero-desc {
  font-size: clamp(0.95rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: rgba(245, 247, 240, 0.82);
  max-width: 56ch;
  margin-bottom: var(--space-md);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.page-about .about-hero-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.35);
  box-shadow: var(--shadow);
  transform: rotate(-2deg);
  max-width: 640px;
  margin-left: auto;
}

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

.page-about .about-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 62%, rgba(11, 61, 46, 0.55) 100%);
  pointer-events: none;
}

/* ===== Mission ===== */
.page-about .about-mission {
  padding: var(--space-xl) 0;
  background: linear-gradient(180deg, rgba(46, 139, 87, 0.08), rgba(11, 61, 46, 0));
}

.page-about .about-mission-quote {
  position: relative;
  background: rgba(46, 30, 94, 0.32);
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: var(--about-organic);
  padding: var(--space-lg) var(--space-lg) var(--space-lg) calc(var(--space-lg) + 24px);
  margin: 0 0 var(--space-xl);
}

.page-about .quote-mark {
  position: absolute;
  top: -18px;
  left: 26px;
  font-family: var(--f-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--c-gold);
  opacity: 0.4;
}

.page-about .about-mission-quote p {
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  line-height: 1.7;
  color: var(--c-light);
  font-weight: 500;
}

.page-about .about-mission-quote cite {
  display: block;
  margin-top: var(--space-sm);
  font-style: normal;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-about .about-values {
  display: grid;
  gap: var(--space-md);
}

.page-about .value-card {
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.14);
  border-radius: var(--radius);
  padding: var(--space-lg);
}

.page-about .value-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--c-primary);
  border: 1px solid var(--c-gold);
  color: var(--c-gold);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  box-shadow: var(--about-glow);
}

.page-about .value-card h3 {
  font-family: var(--f-display);
  font-size: 1.5rem;
  color: var(--c-gold);
  margin-bottom: var(--space-xs);
}

.page-about .value-card p {
  color: rgba(245, 247, 240, 0.78);
  line-height: 1.7;
}

.page-about .about-mission-metrics {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

/* ===== Section head ===== */
.page-about .about-section-head {
  position: relative;
  padding-left: var(--space-md);
  border-left: 3px solid var(--c-gold);
  margin-bottom: var(--space-lg);
}

.page-about .about-section-head h2 {
  font-family: var(--f-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--c-gold);
  line-height: 1.2;
  margin: 0 0 var(--space-xs);
}

.page-about .about-section-head p {
  color: var(--c-muted);
  font-size: 1rem;
  margin: 0;
  line-height: 1.7;
}

/* ===== Timeline ===== */
.page-about .about-timeline {
  padding: var(--space-xl) 0;
  position: relative;
}

.page-about .about-timeline-bg {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(163, 193, 173, 0.2);
}

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

.page-about .timeline-list {
  position: relative;
  padding-left: 22px;
}

.page-about .timeline-list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-gold), var(--c-prairie), rgba(212, 175, 55, 0.1));
  border-radius: 99px;
}

.page-about .timeline-node {
  margin-bottom: var(--space-md);
  border: 1px solid rgba(212, 175, 55, 0.16);
  border-radius: var(--radius);
  background: rgba(11, 61, 46, 0.55);
  overflow: hidden;
}

.page-about .timeline-node[open] {
  border-color: rgba(212, 175, 55, 0.35);
  background: rgba(212, 175, 55, 0.06);
}

.page-about .timeline-node summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  list-style: none;
  cursor: pointer;
  padding: var(--space-md);
}

.page-about .timeline-node summary::-webkit-details-marker {
  display: none;
}

.page-about .timeline-node summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.4rem;
  color: var(--c-gold);
}

.page-about .timeline-node[open] summary::after {
  content: "–";
}

.page-about .timeline-num {
  font-family: var(--f-display);
  font-size: 2.8rem;
  line-height: 1;
  color: rgba(212, 175, 55, 0.24);
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.95);
  text-stroke: 1px rgba(212, 175, 55, 0.95);
  min-width: 70px;
}

.page-about .timeline-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-light);
}

.page-about .timeline-tag {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-about .timeline-node[open] .timeline-tag {
  color: var(--c-gold);
}

.page-about .timeline-detail {
  padding: var(--space-sm) var(--space-md) var(--space-md);
  border-top: 1px solid rgba(212, 175, 55, 0.12);
  color: rgba(245, 247, 240, 0.78);
  line-height: 1.75;
  margin: 0 var(--space-md) var(--space-md);
  padding-left: 0;
  padding-right: 0;
}

.page-about .timeline-detail p {
  margin: 0;
}

/* ===== Library ===== */
.page-about .about-library {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, rgba(109, 26, 54, 0.28), rgba(11, 61, 46, 0.1));
}

.page-about .about-library-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

.page-about .library-note {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(245, 247, 240, 0.8);
}

.page-about .library-note strong {
  color: var(--c-gold);
}

.page-about .library-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: rgba(212, 175, 55, 0.06);
  border-radius: var(--radius);
  border-left: 3px solid var(--c-gold);
}

.page-about .library-fact-label {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-about .library-fact-desc {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--c-gold);
}

.page-about .library-visual {
  position: relative;
  max-width: 520px;
  margin: 0 auto;
}

.page-about .library-ring-image {
  position: relative;
  overflow: hidden;
  border-radius: 50%;
  border: 2px solid rgba(212, 175, 55, 0.4);
  aspect-ratio: 1;
  box-shadow: var(--shadow);
}

.page-about .library-ring-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .library-ring-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(11, 61, 46, 0.35);
}

.page-about .library-big-num {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-family: var(--f-display);
  font-size: clamp(5rem, 12vw, 8.5rem);
  color: var(--c-gold);
  text-shadow: 0 0 34px rgba(212, 175, 55, 0.45);
  line-height: 0.9;
}

.page-about .library-big-num span {
  font-size: 0.24em;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-light);
  margin-top: var(--space-xs);
}

.page-about .library-cats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: 0;
  margin: 0;
  list-style: none;
  justify-content: center;
}

.page-about .library-cats .tag {
  background: rgba(46, 139, 87, 0.16);
  border: 1px solid rgba(46, 139, 87, 0.4);
  color: var(--c-light);
  border-radius: 999px;
  padding: var(--space-xs) var(--space-md);
  font-size: 0.95rem;
}

/* ===== Upgrade ===== */
.page-about .about-upgrade {
  padding: var(--space-xl) 0;
}

.page-about .upgrade-compare {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.page-about .path-card {
  position: relative;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid;
}

.page-about .path-old {
  background: linear-gradient(160deg, rgba(109, 26, 54, 0.5), rgba(11, 61, 46, 0.3));
  border-color: rgba(230, 126, 34, 0.35);
}

.page-about .path-new {
  background: linear-gradient(160deg, rgba(46, 139, 87, 0.25), rgba(11, 61, 46, 0.45));
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: var(--about-glow);
}

.page-about .path-badge {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(230, 126, 34, 0.18);
  color: var(--c-orange);
  border: 1px solid rgba(230, 126, 34, 0.5);
  margin-bottom: var(--space-sm);
}

.page-about .path-badge-new {
  background: rgba(212, 175, 55, 0.18);
  color: var(--c-gold);
  border-color: rgba(212, 175, 55, 0.55);
}

.page-about .path-card h3 {
  font-family: var(--f-display);
  font-size: 1.4rem;
  color: var(--c-light);
  margin-bottom: var(--space-sm);
}

.page-about .path-steps {
  counter-reset: path-step;
  padding-left: 0;
  margin: 0;
  list-style: none;
  color: rgba(245, 247, 240, 0.8);
  line-height: 1.8;
}

.page-about .path-steps li {
  counter-increment: path-step;
  position: relative;
  padding-left: 2.2em;
  margin-bottom: var(--space-xs);
}

.page-about .path-steps li::before {
  content: counter(path-step);
  position: absolute;
  left: 0;
  top: 0.2em;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.8rem;
  color: var(--c-gold);
  border: 1px solid rgba(212, 175, 55, 0.6);
}

.page-about .path-metric {
  margin-top: var(--space-sm);
  color: var(--c-gold);
  font-size: 0.95rem;
  font-weight: 600;
}

.page-about .path-arrow {
  display: none;
  font-size: 2rem;
  color: var(--c-gold);
  text-align: center;
}

/* Compare slider */
.page-about .compare-slider {
  display: flex;
  position: relative;
  min-height: 200px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.3);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  background: var(--c-wine);
}

.page-about .compare-slider .compare-side {
  position: relative;
  flex: 1;
  padding: clamp(16px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-about .compare-slider .compare-new {
  background: linear-gradient(120deg, rgba(11, 61, 46, 0.92), rgba(46, 139, 87, 0.55));
}

.page-about .compare-slider .compare-old {
  background: linear-gradient(120deg, rgba(109, 26, 54, 0.85), rgba(230, 126, 34, 0.3));
}

.page-about .compare-tag {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-gold);
  margin-bottom: var(--space-sm);
}

.page-about .compare-steps {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-light);
  margin: 0;
  max-width: 34ch;
}

.page-about .compare-note {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--c-muted);
}

.page-about .compare-control {
  display: none;
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-sm);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(245, 247, 240, 0.6);
  z-index: 3;
  pointer-events: none;
}

/* Upgrade features */
.page-about .upgrade-features {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.page-about .upgrade-feature {
  padding: var(--space-md);
  border-radius: var(--radius);
  background: rgba(46, 139, 87, 0.08);
  border: 1px solid rgba(163, 193, 173, 0.18);
}

.page-about .upgrade-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--c-primary);
  border: 1px solid var(--c-gold);
  color: var(--c-gold);
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
}

.page-about .upgrade-feature h4 {
  font-size: 1.1rem;
  color: var(--c-light);
  margin-bottom: var(--space-xs);
}

.page-about .upgrade-feature p {
  color: rgba(245, 247, 240, 0.72);
  line-height: 1.65;
  font-size: 0.95rem;
}

.page-about .upgrade-platforms {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.page-about .platform-label {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--c-muted);
}

.page-about .platform-badge {
  border: 1px solid rgba(212, 175, 55, 0.4);
  background: rgba(212, 175, 55, 0.08);
  color: var(--c-gold);
  padding: var(--space-xs) var(--space-md);
  border-radius: 999px;
  font-size: 0.95rem;
}

/* ===== Trust ===== */
.page-about .about-trust {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, rgba(109, 26, 54, 0.45), rgba(11, 61, 46, 0.2));
}

.page-about .trust-inner {
  text-align: center;
}

.page-about .trust-inner h2 {
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  color: var(--c-gold);
  margin-bottom: var(--space-sm);
}

.page-about .trust-inner p {
  color: rgba(245, 247, 240, 0.75);
  margin-bottom: var(--space-lg);
}

.page-about .trust-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

/* ===== Desktop ===== */
@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-xl);
  }

  .page-about .about-values {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }

  .page-about .about-mission-metrics {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-library-grid {
    grid-template-columns: 0.9fr 1.2fr 1fr;
    gap: var(--space-xl);
  }

  .page-about .library-cats {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: flex-start;
    justify-content: center;
  }

  .page-about .upgrade-compare {
    grid-template-columns: 1fr 56px 1fr;
    align-items: stretch;
    gap: var(--space-sm);
  }

  .page-about .path-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .page-about .upgrade-features {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }

  .page-about .timeline-list {
    padding-left: 0;
  }

  .page-about .timeline-list::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .timeline-node {
    width: calc(50% - 32px);
  }

  .page-about .timeline-node:nth-child(odd) {
    margin-right: calc(50% + 32px);
  }

  .page-about .timeline-node:nth-child(even) {
    margin-left: calc(50% + 32px);
  }

  .page-about .compare-slider .compare-side {
    position: absolute;
    inset: 0;
    flex: none;
    padding: var(--space-lg);
  }

  .page-about .compare-slider .compare-new {
    -webkit-clip-path: inset(0 0 0 50%);
    clip-path: inset(0 0 0 50%);
    -webkit-transition: -webkit-clip-path 0.6s ease;
    transition: clip-path 0.6s ease;
    z-index: 2;
  }

  .page-about .compare-slider:hover .compare-new,
  .page-about .compare-slider:focus-within .compare-new {
    -webkit-clip-path: inset(0 0 0 0);
    clip-path: inset(0 0 0 0);
  }

  .page-about .compare-control {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .page-about .compare-slider .compare-new {
    -webkit-transition: none;
    transition: none;
    -webkit-clip-path: inset(0 0 0 50%);
    clip-path: inset(0 0 0 50%);
  }
}