.page-about {
  --about-red: var(--primary-red);
  --about-dark: var(--deep-charcoal);
  --about-gold: var(--antique-gold);
  --about-paper: var(--off-white);
  --about-white: var(--pure-white);
  --about-gray: var(--medium-gray);
  --about-deep-red: var(--deep-red-alt);
  --about-dark-gray: var(--dark-gray-alt);
  --about-muted-gold: var(--muted-gold);
  background: var(--about-paper);
}

.page-about .breadcrumb {
  margin: 28px 0 0;
}

.page-about .about-platform {
  padding: 40px 0 56px;
}

.page-about .about-platform__inner {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-platform__intro {
  max-width: 640px;
}

.page-about .about-platform__intro h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 0.98;
  color: var(--about-dark);
  letter-spacing: 0.01em;
  margin: 18px 0 24px;
}

.page-about .about-platform__lead {
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(26, 26, 26, 0.88);
  margin: 0 0 16px;
}

.page-about .about-platform__intro p {
  margin: 0 0 16px;
  line-height: 1.8;
  color: rgba(26, 26, 26, 0.78);
  font-size: 0.9rem;
}

.page-about .about-platform__intro strong {
  color: var(--about-dark);
  font-weight: 700;
}

.page-about .about-platform__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.page-about .about-platform__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-platform__facts li {
  border-left: 3px solid var(--about-red);
  padding: 4px 0 4px 12px;
  background: linear-gradient(90deg, rgba(200, 16, 46, 0.08), transparent);
}

.page-about .about-platform__facts strong {
  display: block;
  font-family: var(--font-data);
  font-size: 1.2rem;
  color: var(--about-dark);
}

.page-about .about-platform__facts span {
  display: block;
  margin-top: 2px;
  font-size: 0.72rem;
  color: rgba(26, 26, 26, 0.62);
}

.page-about .about-platform__media {
  margin: 0;
  max-width: 520px;
  background: var(--about-white);
  border: 1px solid var(--about-gray);
  padding: 10px 10px 8px;
  box-shadow: 10px 10px 0 var(--about-dark);
  position: relative;
  z-index: 1;
}

.page-about .about-platform__media::before {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  width: 54px;
  height: 54px;
  background: var(--about-gold);
  opacity: 0.28;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 20%);
  z-index: -1;
}

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

.page-about .about-platform__media figcaption {
  padding: 10px 4px 6px;
  font-size: 0.75rem;
  color: rgba(26, 26, 26, 0.6);
}

.page-about .about-serial {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 1rem;
  color: var(--about-white);
  background: var(--about-red);
  clip-path: polygon(0 0, 100% 10%, 94% 100%, 0 88%);
  box-shadow: 4px 4px 0 rgba(26, 26, 26, 0.15);
  margin-bottom: 16px;
}

.page-about .about-section-head {
  max-width: 360px;
}

.page-about .about-section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.02;
  color: var(--about-dark);
  margin: 16px 0 16px;
  padding-left: 16px;
  border-left: 6px solid var(--about-red);
}

.page-about .about-section-head p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(26, 26, 26, 0.72);
  margin: 0;
}

.page-about .about-section-head--light h2 {
  color: var(--about-white);
  border-left-color: var(--about-gold);
}

.page-about .about-section-head--light p {
  color: rgba(245, 245, 240, 0.78);
}

.page-about .about-milestone {
  position: relative;
  background: var(--about-dark);
  padding: 64px 0;
}

.page-about .about-milestone::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: repeating-linear-gradient(115deg, var(--about-red) 0 24px, transparent 24px 32px);
}

.page-about .about-milestone__visual {
  margin: 0 0 28px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 8px;
  background: rgba(255, 255, 255, 0.05);
}

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

.page-about .about-timeline {
  display: grid;
  gap: 20px;
  margin: 0 0 24px;
}

.page-about .about-timeline__item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-top: 4px solid var(--about-red);
  padding: 26px 22px 22px;
  position: relative;
}

.page-about .about-timeline__badge {
  display: inline-block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--about-white);
  background: var(--about-red);
  padding: 5px 14px 5px 12px;
  margin-bottom: 14px;
  transform: skewX(-10deg);
}

.page-about .about-timeline__item h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--about-white);
  margin: 0 0 10px;
}

.page-about .about-timeline__item p {
  font-size: 0.85rem;
  line-height: 1.75;
  color: rgba(245, 245, 240, 0.75);
  margin: 0;
}

.page-about .about-version-detail {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  padding: 16px 20px;
}

.page-about .about-version-detail summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--about-gold);
}

.page-about .about-version-detail ul {
  margin: 14px 0 0;
  padding-left: 20px;
  color: rgba(245, 245, 240, 0.82);
  font-size: 0.85rem;
  line-height: 1.8;
}

.page-about .about-data {
  position: relative;
  background: var(--about-paper);
  padding: 64px 0;
}

.page-about .about-data::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: repeating-linear-gradient(115deg, transparent 0 28px, var(--about-red) 28px 52px, transparent 52px 60px);
}

.page-about .about-data__stats {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.page-about .about-statcard {
  background: var(--about-white);
  border: 1px solid var(--about-gray);
  padding: 22px 18px;
  box-shadow: 6px 6px 0 rgba(26, 26, 26, 0.16);
}

.page-about .about-statcard__num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--about-red);
}

.page-about .about-statcard__label {
  display: block;
  margin-top: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(26, 26, 26, 0.68);
}

.page-about .about-data__wrap {
  display: grid;
  gap: 18px;
}

.page-about .about-coverage-panel,
.page-about .about-services-panel {
  background: var(--about-white);
  border: 1px solid var(--about-gray);
  padding: 24px;
}

.page-about .about-coverage-panel h3,
.page-about .about-services-panel h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 18px;
  color: var(--about-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-about .about-coverage-panel h3::before,
.page-about .about-services-panel h3::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--about-red);
  transform: skewX(-12deg);
}

.page-about .about-coverage__row {
  display: grid;
  grid-template-columns: 80px 1fr 110px;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.76rem;
}

.page-about .about-coverage__label {
  font-weight: 700;
  color: var(--about-dark);
}

.page-about .about-coverage__track {
  height: 8px;
  background: var(--about-gray);
  overflow: hidden;
}

.page-about .about-coverage__track span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--about-red), var(--about-deep-red));
}

.page-about .about-coverage__track--gold span {
  background: linear-gradient(90deg, var(--about-gold), var(--about-muted-gold));
}

.page-about .about-coverage__value {
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--about-dark);
  text-align: right;
}

.page-about .about-data__viz {
  margin-top: 20px;
  border-top: 1px dashed var(--about-gray);
  padding-top: 12px;
}

.page-about .about-data__viz svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-service-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-about .about-service-list li {
  position: relative;
  padding: 10px 0 10px 14px;
  border-bottom: 1px solid var(--about-gray);
  font-size: 0.84rem;
  line-height: 1.6;
  color: rgba(26, 26, 26, 0.82);
}

.page-about .about-service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--about-red);
  transform: skewX(-12deg);
}

.page-about .about-security {
  position: relative;
  background: var(--about-dark-gray);
  padding: 64px 0;
}

.page-about .about-security::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: repeating-linear-gradient(115deg, var(--about-gold) 0 20px, var(--about-dark) 20px 32px);
}

.page-about .about-security__grid {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-about .about-security__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-security__list li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 4px solid var(--about-gold);
  padding: 18px 16px;
}

.page-about .about-security__list h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--about-white);
  margin: 0 0 6px;
}

.page-about .about-security__list p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.7;
  color: rgba(245, 245, 240, 0.75);
}

.page-about .about-security__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--about-white);
  background: var(--about-red);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 50% 100%, 0 72%);
  text-align: center;
  padding-top: 2px;
}

.page-about .about-security__media {
  margin: 0;
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 10px;
  background: rgba(255, 255, 255, 0.03);
}

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

.page-about .about-security__media figcaption {
  padding: 8px 4px 0;
  font-size: 0.75rem;
  color: rgba(245, 245, 240, 0.6);
}

.page-about .about-network {
  position: relative;
  background: var(--about-paper);
  padding: 64px 0;
}

.page-about .about-network::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--about-dark) 0, var(--about-dark) 70%, var(--about-red) 70%, var(--about-red) 100%);
}

.page-about .about-network__stats {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.page-about .about-network__stat {
  background: var(--about-white);
  border: 1px solid var(--about-dark);
  padding: 20px 18px;
  border-top: 5px solid var(--about-red);
}

.page-about .about-network__stat:nth-child(2) {
  border-top-color: var(--about-gold);
}

.page-about .about-network__num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--about-dark);
}

.page-about .about-network__label {
  display: block;
  margin-top: 8px;
  font-size: 0.76rem;
  color: rgba(26, 26, 26, 0.66);
}

.page-about .about-network__grid {
  display: grid;
  gap: 18px;
  margin-bottom: 24px;
}

.page-about .about-network__team,
.page-about .about-network__support {
  background: var(--about-white);
  border: 1px solid var(--about-gray);
  padding: 24px;
}

.page-about .about-network__team h3,
.page-about .about-network__support h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 12px;
  color: var(--about-dark);
}

.page-about .about-network__team p,
.page-about .about-network__support p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(26, 26, 26, 0.78);
}

.page-about .about-contact-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-contact-list div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px dashed var(--about-gray);
  font-size: 0.8rem;
}

.page-about .about-contact-list dt {
  font-weight: 700;
  color: var(--about-dark);
}

.page-about .about-contact-list dd {
  margin: 0;
  color: rgba(26, 26, 26, 0.78);
  word-break: break-word;
}

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

.page-about .about-network__link {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 22px;
  text-decoration: none;
  color: var(--about-dark);
  background: var(--about-white);
  border: 1px solid var(--about-gray);
  box-shadow: 0 0 0 rgba(26, 26, 26, 0);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-network__link:hover,
.page-about .about-network__link:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0 var(--about-red);
}

.page-about .about-network__link strong {
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.35;
}

.page-about .about-network__link span:last-child {
  font-size: 0.78rem;
  line-height: 1.6;
  color: rgba(26, 26, 26, 0.65);
}

@media (min-width: 640px) {
  .page-about .about-platform__facts {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

@media (min-width: 768px) {
  .page-about .about-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-about .about-network__grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-about .about-data__wrap {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-about .about-security__grid {
    grid-template-columns: 1fr 300px;
  }
}

@media (min-width: 992px) {
  .page-about .about-platform__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
  }

  .page-about .about-milestone__layout,
  .page-about .about-data__layout,
  .page-about .about-security__layout,
  .page-about .about-network__layout {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-section-head {
    position: sticky;
    top: 24px;
  }
}

@media (max-width: 480px) {
  .page-about .about-coverage__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-about .about-coverage__value {
    text-align: left;
  }

  .page-about .about-security__list li {
    grid-template-columns: 56px 1fr;
    gap: 12px;
  }
}