.page-about {
  --about-red-grad: linear-gradient(132deg, #8B0000 0%, #4a0505 46%, #0D0D0D 100%);
  --about-gold-glow: rgba(255, 215, 0, 0.45);
  background: var(--c-bg);
  color: var(--c-white);
  font-family: var(--font-sans);
}

.page-about section[id] {
  scroll-margin-top: 96px;
}

.page-about .breadcrumbs {
  padding-top: 22px;
  padding-bottom: 0;
}

.page-about .about-subnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding-top: 18px;
  padding-bottom: 0;
}

.page-about .about-subnav__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-silver);
}

.page-about .about-subnav__link {
  font-size: 13px;
  color: var(--c-gold-bright);
  text-decoration: none;
  border: 1px solid rgba(184, 134, 11, 0.35);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  transition: background var(--transition), border-color var(--transition);
}

.page-about .about-subnav__link:hover {
  background: rgba(184, 134, 11, 0.16);
  border-color: rgba(255, 215, 0, 0.55);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--about-red-grad);
  padding: 48px 0 64px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.16) 0%, rgba(255, 215, 0, 0) 70%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 44px;
  align-items: center;
}

.page-about .about-hero h1 {
  font-family: var(--font-serif);
  font-size: 32px;
  line-height: 1.28;
  font-weight: 900;
  margin: 14px 0 18px;
}

.page-about .about-hero__h1-main {
  display: block;
  color: var(--c-gold-bright);
}

.page-about .about-hero__h1-sub {
  display: block;
  color: var(--c-white);
}

.page-about .about-hero__h1-line {
  display: block;
  width: 64px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--c-gold-bright), rgba(255, 215, 0, 0.1));
  margin: 14px 0;
}

.page-about .about-hero__lead {
  max-width: 560px;
  color: var(--c-silver);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 22px;
}

.page-about .about-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

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

.page-about .about-hero__visual {
  position: relative;
  max-width: 460px;
  width: 100%;
  margin: 0 auto;
}

.page-about .about-hero__image-frame {
  margin: 0;
}

.page-about .about-hero__image-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 7;
  object-fit: cover;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(184, 134, 11, 0.45);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.55);
}

.page-about .about-hero__stamp {
  position: absolute;
  right: 12px;
  bottom: -22px;
  width: 124px;
  height: 124px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #FFD700, #B8860B);
  border: 5px solid var(--c-bg);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.55);
  text-align: center;
}

.page-about .about-hero__stamp-num {
  font-family: var(--font-mono);
  font-size: 46px;
  line-height: 1;
  font-weight: 500;
  color: #1a1a1a;
}

.page-about .about-hero__stamp-label {
  margin-top: 6px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.3;
  color: #1a1a1a;
}

.page-about .about-archive {
  padding: 68px 0;
}

.page-about .about-archive__head {
  margin-bottom: 28px;
}

.page-about .about-archive__head .section-desc {
  max-width: 560px;
}

.page-about .about-archive__bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.page-about .about-archive__focus {
  grid-column: span 12;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 24px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(184, 134, 11, 0.55);
  background: linear-gradient(145deg, rgba(184, 134, 11, 0.22) 0%, rgba(13, 13, 13, 0.72) 62%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: transform var(--transition), border-color var(--transition);
}

.page-about .about-archive__focus:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 215, 0, 0.6);
}

.page-about .about-archive__focus-num {
  flex: 0 0 auto;
  min-width: 84px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 88px;
  line-height: 1;
  font-weight: 500;
  color: var(--c-gold-bright);
  text-shadow: 0 0 36px rgba(255, 215, 0, 0.45);
}

.page-about .about-archive__focus-title {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--c-white);
}

.page-about .about-archive__focus-desc {
  margin-top: 8px;
  color: var(--c-silver);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-archive__cell {
  grid-column: span 12;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--c-ink);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform var(--transition), border-color var(--transition);
}

.page-about .about-archive__cell:hover {
  transform: translateY(-3px);
  border-color: rgba(184, 134, 11, 0.5);
}

.page-about .about-archive__cell-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 8px;
}

.page-about .about-archive__cell-value {
  display: block;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--c-white);
}

.page-about .about-archive__note {
  grid-column: span 12;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(139, 0, 0, 0.5);
  border-left-width: 4px;
  background: rgba(139, 0, 0, 0.18);
}

.page-about .about-archive__note p {
  color: var(--c-silver);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 10px;
}

.page-about .about-archive__link {
  color: var(--c-gold-bright);
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
}

.page-about .about-archive__link:hover {
  text-decoration: underline;
}

.page-about .about-milestones {
  position: relative;
  overflow: hidden;
  background: #131313;
  padding: 68px 0 80px;
}

.page-about .about-milestones__head {
  margin-bottom: 34px;
}

.page-about .about-milestones__index {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 44px;
}

.page-about .about-milestones__index-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 52px;
}

.page-about .about-milestones__index-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(184, 134, 11, 0.45);
  background: rgba(13, 13, 13, 0.7);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--c-gold);
}

.page-about .about-milestones__index-item--current .about-milestones__index-num {
  background: var(--c-gold);
  color: var(--c-bg);
  box-shadow: 0 0 24px rgba(255, 215, 0, 0.45);
}

.page-about .about-milestones__index-label {
  font-size: 10px;
  line-height: 1.3;
  text-align: center;
  color: var(--c-silver);
  white-space: nowrap;
}

.page-about .about-milestones__index-item--current .about-milestones__index-label {
  color: var(--c-gold-bright);
  font-weight: 700;
}

.page-about .about-milestones__index-line {
  flex: 1;
  min-width: 10px;
  height: 1px;
  background: linear-gradient(90deg, rgba(184, 134, 11, 0.45), rgba(184, 134, 11, 0.12));
}

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

.page-about .about-milestones__curve {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.page-about .about-milestones__list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-milestones__item {
  position: relative;
  padding: 0 0 36px 72px;
}

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

.page-about .about-milestones__item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 26px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(184, 134, 11, 0.55), rgba(184, 134, 11, 0.08));
}

.page-about .about-milestones__item:last-child::before {
  display: none;
}

.page-about .about-milestones__node {
  position: absolute;
  left: 26px;
  top: 0;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--c-gold);
  background: #1c1c1c;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-gold-bright);
  box-shadow: 0 0 0 5px rgba(184, 134, 11, 0.12);
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-about .about-milestones__item.is-visible .about-milestones__node {
  background: var(--c-gold-bright);
  border-color: var(--c-gold-bright);
  color: var(--c-bg);
  box-shadow: 0 0 0 7px rgba(255, 215, 0, 0.16), 0 0 28px rgba(255, 215, 0, 0.5);
}

.page-about .about-milestones__card {
  background: var(--c-ink);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-about .about-milestones__card--current {
  border-color: rgba(184, 134, 11, 0.5);
  background: linear-gradient(145deg, rgba(184, 134, 11, 0.16), var(--c-ink) 60%);
  box-shadow: inset 4px 0 0 var(--c-gold);
}

.page-about .about-milestones__card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 215, 0, 0.4);
  box-shadow: inset 4px 0 0 var(--c-gold), 0 16px 40px rgba(0, 0, 0, 0.4);
}

.page-about .about-milestones__phase {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-gold);
  margin-bottom: 8px;
}

.page-about .about-milestones__phase::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  vertical-align: middle;
  margin-right: 8px;
  background: var(--c-gold);
}

.page-about .about-milestones__card h3 {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--c-white);
}

.page-about .about-milestones__card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-silver);
  margin-bottom: 14px;
}

.page-about .about-milestones__meta {
  display: block;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: var(--c-silver);
}

.page-about .about-redesign {
  padding: 68px 0;
}

.page-about .about-redesign__grid {
  display: grid;
  gap: 40px;
  align-items: start;
}

.page-about .about-redesign__lead {
  color: var(--c-silver);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 22px;
}

.page-about .about-redesign__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-redesign__list li {
  position: relative;
  padding-left: 24px;
  color: var(--c-silver);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-redesign__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 10px rgba(184, 134, 11, 0.6);
}

.page-about .about-redesign__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.page-about .about-redesign__stat {
  padding: 18px 12px;
  text-align: center;
  background: var(--c-ink);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
}

.page-about .about-redesign__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1.2;
  font-weight: 500;
  color: var(--c-gold-bright);
}

.page-about .about-redesign__stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--c-silver);
}

.page-about .about-redesign__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(184, 134, 11, 0.35);
  border-radius: var(--radius-xl);
  background: var(--c-ink);
}

.page-about .about-redesign__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-redesign__figure figcaption {
  padding: 14px 18px;
  font-size: 13px;
  color: var(--c-silver);
}

.page-about .about-values {
  background: #101010;
  padding: 68px 0;
}

.page-about .about-values__head {
  margin-bottom: 32px;
}

.page-about .about-values__grid {
  display: grid;
  gap: 16px;
}

.page-about .about-values__card {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius-xl);
  background: var(--c-ink);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform var(--transition), border-color var(--transition);
}

.page-about .about-values__card:hover {
  transform: translateY(-4px);
}

.page-about .about-values__card--gold {
  border-color: rgba(184, 134, 11, 0.5);
  background: linear-gradient(145deg, rgba(184, 134, 11, 0.2), rgba(13, 13, 13, 0.6) 62%);
}

.page-about .about-values__card--red {
  border-color: rgba(139, 0, 0, 0.55);
  background: linear-gradient(145deg, rgba(139, 0, 0, 0.28), rgba(13, 13, 13, 0.7) 60%);
}

.page-about .about-values__index {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-gold);
}

.page-about .about-values__card--red .about-values__index {
  color: #e07070;
}

.page-about .about-values__card h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--c-white);
}

.page-about .about-values__card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-about .about-values__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(184, 134, 11, 0.35);
  border-radius: var(--radius-xl);
  background: var(--c-ink);
}

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

.page-about .about-values__figure figcaption {
  padding: 14px 18px;
  font-size: 13px;
  color: var(--c-silver);
}

.page-about .about-license {
  padding: 68px 0;
}

.page-about .about-license__card {
  padding: 32px 24px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(184, 134, 11, 0.4);
  background: linear-gradient(150deg, rgba(184, 134, 11, 0.12), rgba(13, 13, 13, 0.85) 55%);
  text-align: center;
}

.page-about .about-license__shield {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  border-radius: 50%;
  border: 1px solid rgba(184, 134, 11, 0.4);
  background: rgba(184, 134, 11, 0.14);
}

.page-about .about-license__shield svg {
  width: 40px;
  height: 46px;
}

.page-about .about-license__lead {
  max-width: 560px;
  margin: 0 auto 22px;
  color: var(--c-silver);
  font-size: 15px;
  line-height: 1.85;
}

.page-about .about-license__details {
  max-width: 480px;
  margin: 0 auto 18px;
  overflow: hidden;
  text-align: left;
  border: 1px solid rgba(184, 134, 11, 0.35);
  border-radius: var(--radius-md);
  background: rgba(13, 13, 13, 0.55);
}

.page-about .about-license__details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-gold-bright);
}

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

.page-about .about-license__details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--c-gold);
}

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

.page-about .about-license__list {
  list-style: none;
  margin: 0;
  padding: 4px 18px 18px;
  display: grid;
  gap: 10px;
}

.page-about .about-license__list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: var(--c-silver);
}

.page-about .about-license__list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-about .about-license__list b {
  text-align: right;
  font-weight: 500;
  color: var(--c-white);
}

.page-about .about-license__list b.about-license__ok {
  color: var(--c-green);
}

.page-about .about-license__note {
  max-width: 520px;
  margin: 0 auto 22px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-silver);
}

.page-about .about-license__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.page-about .about-cta {
  background: #121212;
  padding: 56px 0 64px;
}

.page-about .about-cta__inner {
  display: grid;
  gap: 36px;
}

.page-about .about-cta__text > p:not(.section-kicker) {
  max-width: 640px;
  margin-bottom: 22px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-silver);
}

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

.page-about .about-cta__contact {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
}

.page-about .about-cta__contact li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  padding: 16px 18px;
  background: var(--c-ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 14px;
  line-height: 1.5;
}

.page-about .about-cta__contact li:last-child {
  border-bottom: none;
}

.page-about .about-cta__contact-label {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gold);
}

.page-about .about-cta__contact-value {
  word-break: break-all;
  color: var(--c-white);
}

@media (min-width: 640px) {
  .page-about .about-hero {
    padding: 64px 0 80px;
  }

  .page-about .about-hero h1 {
    font-size: 40px;
  }

  .page-about .about-milestones__index-item {
    min-width: 72px;
  }

  .page-about .about-milestones__index-num {
    width: 46px;
    height: 46px;
    font-size: 22px;
  }

  .page-about .about-milestones__index-label {
    font-size: 12px;
  }

  .page-about .about-archive__cell {
    grid-column: span 6;
  }

  .page-about .about-license__card {
    padding: 40px 32px;
  }

  .page-about .about-cta__inner {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }

  .page-about .about-hero h1 {
    font-size: 46px;
  }

  .page-about .about-archive__bento {
    gap: 18px;
  }

  .page-about .about-archive__focus {
    grid-column: span 5;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 32px 28px;
  }

  .page-about .about-archive__focus-num {
    font-size: 110px;
  }

  .page-about .about-archive__cell--name {
    grid-column: span 3;
  }

  .page-about .about-archive__cell--pos {
    grid-column: span 4;
  }

  .page-about .about-archive__cell--cats {
    grid-column: span 3;
  }

  .page-about .about-archive__cell--benefits {
    grid-column: span 3;
  }

  .page-about .about-archive__cell--platforms {
    grid-column: span 6;
  }

  .page-about .about-archive__note {
    grid-column: span 12;
    padding: 28px 32px;
  }

  .page-about .about-milestones__item {
    width: 50%;
    padding: 0 56px 56px 0;
  }

  .page-about .about-milestones__item:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 56px 56px;
  }

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

  .page-about .about-milestones__node {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .about-redesign__grid {
    grid-template-columns: 1fr 0.85fr;
    gap: 48px;
  }

  .page-about .about-values__grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 18px;
  }

  .page-about .about-values__card--gold {
    grid-column: span 6;
  }

  .page-about .about-values__card--red {
    grid-column: span 6;
  }

  .page-about .about-values__card--ink {
    grid-column: span 7;
  }

  .page-about .about-values__figure {
    grid-column: span 5;
  }
}