.page-about {
  color: var(--c-text);
  background: var(--c-bg);
  --about-gold-soft: rgba(246, 195, 67, 0.12);
  --about-gold-border: rgba(246, 195, 67, 0.28);
  --about-cyan-border: rgba(43, 197, 180, 0.32);
}

.page-about .container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 18px 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-text-dim);
}

.page-about .breadcrumb__item {
  color: var(--c-text-dim);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-about .breadcrumb__item:hover {
  color: var(--c-gold);
}

.page-about .breadcrumb__item[aria-current="page"] {
  color: var(--c-gold);
}

.page-about .breadcrumb__sep {
  color: rgba(255, 255, 255, 0.2);
}

.page-about .about-hero {
  position: relative;
  display: grid;
  gap: 36px;
  padding-block: 40px 72px;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 92% 12%, rgba(246, 195, 67, 0.20) 0 70px, transparent 72px),
    radial-gradient(circle at 4% 88%, rgba(212, 68, 60, 0.14) 0 54px, transparent 56px);
}

.page-about .about-hero__text,
.page-about .about-hero__media {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .section-head__hint {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gold);
  border: 1px solid var(--about-gold-border);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  margin-bottom: 18px;
}

.page-about .about-hero__text h1 {
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.28;
  font-weight: 800;
  margin: 0 0 18px;
  letter-spacing: 0.02em;
}

.page-about .about-hero__lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-text);
  margin: 0 0 16px;
}

.page-about .about-hero__note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
  background: var(--c-panel);
  border-left: 3px solid var(--c-gold-deep);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 16px 18px;
  margin: 0;
}

.page-about .about-hero__note a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t-fast);
}

.page-about .about-hero__note a:hover {
  color: var(--c-gold);
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.page-about .about-timeline-section {
  padding-block: 16px 80px;
  background:
    linear-gradient(180deg, transparent 0%, rgba(36, 24, 50, 0.5) 30%, transparent 100%);
}

.page-about .about-timeline-section .section-head {
  margin-bottom: 8px;
}

.page-about .section-head__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-gold-deep);
  margin-bottom: 6px;
}

.page-about .section-head__title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-text);
  margin: 0 0 8px;
}

.page-about .section-head__hint {
  font-size: 14px;
  color: var(--c-text-dim);
  margin: 0;
}

.page-about .about-timeline {
  position: relative;
  margin-top: 42px;
  padding-left: 32px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 6px;
  left: 9px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(
    to bottom,
    var(--c-gold) 0%,
    var(--c-gold-deep) 50%,
    rgba(246, 195, 67, 0.2) 100%
  );
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 40px;
}

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

.page-about .about-timeline__dot {
  position: absolute;
  left: -31px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #ffe08a, var(--c-gold) 55%, var(--c-gold-deep));
  border: 3px solid var(--c-bg);
  box-shadow:
    0 0 0 2px var(--c-gold-deep),
    0 0 14px rgba(246, 195, 67, 0.35);
  transition:
    transform var(--t-fast),
    box-shadow var(--t-fast);
}

.page-about .about-timeline__item:hover .about-timeline__dot,
.page-about .about-timeline__item:focus-within .about-timeline__dot {
  transform: scale(1.25);
  box-shadow:
    0 0 0 3px var(--c-gold),
    0 0 20px rgba(246, 195, 67, 0.55);
}

.page-about .about-timeline__year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-gold);
  background: rgba(246, 195, 67, 0.1);
  border: 1px solid var(--about-gold-border);
  border-radius: var(--radius-pill);
  padding: 5px 14px;
  margin-bottom: 12px;
}

.page-about .about-timeline__card {
  background: var(--c-panel);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 22px 22px 20px;
  transition:
    border-color var(--t-fast),
    transform var(--t-fast),
    background-color var(--t-fast);
}

.page-about .about-timeline__item:hover .about-timeline__card {
  border-color: var(--about-gold-border);
  background: var(--c-panel-hi);
  transform: translateX(4px);
}

.page-about .about-timeline__card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-text);
  margin: 0 0 10px;
}

.page-about .about-timeline__card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-text-dim);
  margin: 0;
}

.page-about .about-timeline__card a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t-fast);
}

.page-about .about-timeline__card a:hover {
  color: var(--c-gold);
}

.page-about .about-stats-section {
  padding-block: 72px 60px;
  background:
    radial-gradient(circle at 86% 16%, rgba(246, 195, 67, 0.14) 0 90px, transparent 92px),
    radial-gradient(circle at 12% 90%, rgba(212, 68, 60, 0.10) 0 72px, transparent 74px),
    var(--c-panel);
  border-top: 1px solid rgba(246, 195, 67, 0.18);
  border-bottom: 1px solid rgba(246, 195, 67, 0.12);
}

.page-about .about-stats-section .section-head {
  margin-bottom: 36px;
}

.page-about .about-stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-stat {
  background: rgba(27, 18, 38, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  transition:
    background-color var(--t-fast),
    transform var(--t-fast),
    border-color var(--t-fast);
}

.page-about .about-stat:hover {
  background: var(--c-panel-hi);
  border-color: var(--about-gold-border);
  transform: translateY(-4px);
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
  display: flex;
  align-items: baseline;
  margin-bottom: 14px;
  transition: font-size var(--t-fast);
}

.page-about .about-stat:hover .about-stat__num {
  font-size: 50px;
}

.page-about .about-stat__unit {
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 500;
  color: var(--c-gold-deep);
  margin-left: 5px;
}

.page-about .about-stat__label {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin: 0 0 6px;
}

.page-about .about-stat__desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-text-dim);
  margin: 0;
}

.page-about .about-stats__extra {
  margin-top: 30px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
  background: rgba(27, 18, 38, 0.45);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  border-left: 3px solid var(--c-red-soft);
}

.page-about .about-cert-section {
  padding-block: 72px 80px;
  background:
    radial-gradient(circle at 94% 10%, rgba(43, 197, 180, 0.10) 0 60px, transparent 62px),
    radial-gradient(circle at 4% 84%, rgba(246, 195, 67, 0.10) 0 80px, transparent 82px);
}

.page-about .about-cert-section .section-head {
  margin-bottom: 36px;
}

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

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

.page-about .about-cert-card {
  position: relative;
  background: var(--c-panel);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 26px 24px 22px;
  transition:
    border-color var(--t-fast),
    background-color var(--t-fast),
    transform var(--t-fast);
}

.page-about .about-cert-card:hover {
  border-color: var(--about-cyan-border);
  background: var(--c-panel-hi);
  transform: translateY(-3px);
}

.page-about .about-cert-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  background: rgba(27, 18, 38, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 16px;
}

.page-about .about-cert-card__code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-cyan);
  background: rgba(43, 197, 180, 0.10);
  border: 1px solid var(--about-cyan-border);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  margin-bottom: 12px;
}

.page-about .about-cert-card h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  margin: 0 0 8px;
}

.page-about .about-cert-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
  margin: 0;
}

.page-about .about-cert-aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .about-cert__media img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35);
}

.page-about .about-cert__note {
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-text-dim);
  background: rgba(36, 24, 50, 0.7);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin: 0;
  border-left: 3px solid var(--c-gold-deep);
}

.page-about .about-team-section {
  padding-block: 72px 80px;
  background:
    radial-gradient(circle at 88% 18%, rgba(246, 195, 67, 0.12) 0 80px, transparent 82px),
    linear-gradient(180deg, rgba(36, 24, 50, 0.5) 0%, transparent 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.page-about .about-team-section .section-head {
  margin-bottom: 36px;
}

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

.page-about .about-team__content h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-gold);
  margin: 0 0 10px;
}

.page-about .about-team__content h3 + h3 {
  margin-top: 28px;
}

.page-about .about-team__content p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-text-dim);
  margin: 0;
}

.page-about .about-team__note {
  margin-top: 26px;
  border: 1px solid var(--about-gold-border);
  background: rgba(246, 195, 67, 0.05);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-text-dim);
}

.page-about .about-team__media img {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.4);
}

.page-about .about-guide-section {
  padding-bottom: 80px;
}

.page-about .about-guide__inner {
  background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-gold-deep) 100%);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
  text-align: center;
}

.page-about .about-guide__inner h2 {
  font-family: var(--font-serif);
  font-size: 23px;
  font-weight: 800;
  line-height: 1.35;
  color: #2A1A2E;
  margin: 0 0 14px;
}

.page-about .about-guide__inner p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(42, 26, 46, 0.85);
  max-width: 720px;
  margin: 0 auto 26px;
}

.page-about .about-guide__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.page-about .about-guide__actions .btn--gold {
  background: #1B1226;
  color: var(--c-gold);
  border-color: #1B1226;
}

.page-about .about-guide__actions .btn--gold:hover {
  background: #2E1F3F;
  border-color: #2E1F3F;
}

.page-about .about-guide__actions .btn--outline {
  border-color: rgba(42, 26, 46, 0.6);
  color: #2A1A2E;
  background: transparent;
}

.page-about .about-guide__actions .btn--outline:hover {
  background: rgba(42, 26, 46, 0.1);
  border-color: #2A1A2E;
}

@media (min-width: 640px) {
  .page-about .about-hero__text h1 {
    font-size: 36px;
  }

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

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

  .page-about .about-cert-aside {
    flex-direction: row;
    align-items: flex-start;
  }

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

  .page-about .about-team__media img {
    max-width: 100%;
  }

  .page-about .about-team__media {
    justify-self: end;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 48px;
    padding-block: 64px 100px;
  }

  .page-about .about-hero__media {
    justify-self: end;
  }

  .page-about .about-hero__text h1 {
    font-size: 42px;
  }

  .page-about .about-timeline-section {
    padding-block: 24px 100px;
  }

  .page-about .about-timeline__card {
    padding: 26px 28px 24px;
  }

  .page-about .about-stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .page-about .about-stat {
    padding: 30px 26px;
  }

  .page-about .about-stat__num {
    font-size: 52px;
  }

  .page-about .about-stat:hover .about-stat__num {
    font-size: 60px;
  }

  .page-about .about-cert-layout {
    grid-template-columns: 1fr 300px;
    align-items: start;
    gap: 48px;
  }

  .page-about .about-cert-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-about .about-cert-aside {
    flex-direction: column;
    gap: 18px;
  }

  .page-about .about-cert__media img {
    max-width: 300px;
  }

  .page-about .about-team-layout {
    grid-template-columns: 1fr 320px;
    gap: 56px;
  }

  .page-about .about-team__media img {
    max-width: 320px;
  }

  .page-about .about-guide__inner {
    padding: 52px 40px;
  }

  .page-about .about-guide__inner h2 {
    font-size: 27px;
  }
}