.page-about {
  --line-soft: rgba(160, 176, 200, 0.2);
  --line-gold: rgba(245, 197, 24, 0.45);
  --card-translucent: rgba(27, 58, 107, 0.32);
  --section-gap: 72px;
  background-color: var(--color-bg);
}

@media (min-width: 900px) {
  .page-about {
    --section-gap: 110px;
  }
}

.page-about .about-hero {
  position: relative;
  padding: 44px 0 0;
  background:
    radial-gradient(ellipse at 78% 12%, rgba(27, 58, 107, 0.75) 0%, transparent 58%),
    linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(160, 176, 200, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 176, 200, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

.page-about .about-hero::after {
  content: "01";
  position: absolute;
  top: 20px;
  right: -10px;
  z-index: 0;
  font-family: var(--font-heading);
  font-size: 8rem;
  line-height: 1;
  color: rgba(245, 197, 24, 0.05);
  pointer-events: none;
  user-select: none;
}

.page-about .about-hero__container {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__top {
  display: grid;
  gap: 24px;
}

.page-about .about-hero__heading h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 8vw, 4.5rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-about .about-hero__lead {
  margin: 0 0 12px;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
}

.page-about .about-hero__sub,
.page-about .about-hero__tools {
  margin: 0 0 12px;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-about .about-hero__tools {
  border-left: 2px solid var(--color-accent);
  padding-left: 14px;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-about .about-hero__media {
  margin-top: 32px;
  border-top: 2px solid var(--color-accent);
  border-bottom: 1px solid var(--line-soft);
}

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

.page-about .about-hero__caption {
  display: inline-block;
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: 76px;
  }

  .page-about .about-hero__top {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: end;
  }

  .page-about .about-hero__media {
    margin-top: 48px;
  }
}

.page-about .about-stats {
  padding: 28px 0;
  background: var(--color-bg-deep);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-stats__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.page-about .about-stats__item {
  padding: 18px 12px;
  border-left: 2px solid var(--color-accent);
  background: rgba(11, 14, 20, 0.4);
}

.page-about .about-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.page-about .about-stats__label {
  display: block;
  margin-top: 6px;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

@media (min-width: 768px) {
  .page-about .about-stats__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-about .about-milestones {
  padding: var(--section-gap) 0;
}

.page-about .about-section-head {
  max-width: 760px;
  margin-bottom: 40px;
}

.page-about .about-section-head h2 {
  margin: 12px 0 10px;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.15;
}

.page-about .about-section-head p {
  color: var(--color-muted);
  line-height: 1.7;
}

.page-about .about-section-head::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 20px;
  background: var(--gradient-accent);
}

.page-about .about-section-head--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.page-about .about-section-head--center::after {
  margin-left: auto;
  margin-right: auto;
}

.page-about .about-timeline {
  margin-top: 44px;
}

.page-about .about-timeline__item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  padding-bottom: 30px;
}

.page-about .about-timeline__year {
  align-self: start;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent);
  background: rgba(245, 197, 24, 0.08);
  border: 1px solid rgba(245, 197, 24, 0.22);
  border-radius: 999px;
  padding: 4px 0;
  text-align: center;
}

.page-about .about-timeline__card {
  position: relative;
  border-left: 1px solid var(--line-gold);
  padding: 4px 0 0 20px;
}

.page-about .about-timeline__card::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 10px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
}

.page-about .about-timeline__card h3 {
  margin: 0 0 6px;
  font-size: 1.25rem;
}

.page-about .about-timeline__card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

@media (min-width: 768px) {
  .page-about .about-timeline {
    max-width: 780px;
  }

  .page-about .about-timeline__item {
    grid-template-columns: 112px 1fr;
    gap: 28px;
    padding-bottom: 44px;
  }

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

.page-about .about-tech {
  padding: var(--section-gap) 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-tech__grid {
  display: grid;
  gap: 32px;
}

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

.page-about .about-tech__frame {
  padding: 10px;
  background: rgba(11, 14, 20, 0.7);
  border: 1px solid rgba(245, 197, 24, 0.28);
  border-radius: 4px;
}

.page-about .about-tech__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.page-about .about-tech__tag {
  display: inline-block;
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--color-status);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--color-status);
}

.page-about .about-tech__content h2 {
  margin: 12px 0 10px;
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  line-height: 1.15;
}

.page-about .about-tech__lead {
  margin-bottom: 20px;
  color: var(--color-muted);
  line-height: 1.7;
}

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

.page-about .about-tech__list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 16px;
  line-height: 1.6;
}

.page-about .about-tech__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 13px;
  height: 7px;
  border-left: 2px solid var(--color-status);
  border-bottom: 2px solid var(--color-status);
  transform: rotate(-45deg);
}

.page-about .about-tech__note {
  margin: 0 0 24px;
  color: var(--color-muted);
  font-size: 0.875rem;
  border-left: 2px solid var(--color-accent);
  padding-left: 14px;
}

@media (min-width: 900px) {
  .page-about .about-tech__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
    align-items: center;
  }
}

.page-about .about-certs {
  padding: var(--section-gap) 0;
}

.page-about .about-certs__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 36px;
}

.page-about .about-cert {
  padding: 24px 14px 20px;
  text-align: center;
  background: var(--card-translucent);
  border-top: 2px solid var(--color-accent);
  border-radius: 2px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-about .about-cert:hover {
  background: rgba(27, 58, 107, 0.5);
  border-color: var(--color-status);
}

.page-about .about-cert__stamp {
  width: 72px;
  height: 72px;
  margin: 0 auto 14px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(245, 197, 24, 0.06);
  box-shadow: 0 0 0 5px rgba(245, 197, 24, 0.08), 0 0 0 6px rgba(245, 197, 24, 0.28);
}

.page-about .about-cert h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.page-about .about-cert p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.page-about .about-certs__note {
  margin: 28px 0 0;
  color: var(--color-muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--line-soft);
  padding-top: 20px;
}

.page-about .about-certs__note a {
  color: var(--color-accent);
}

@media (min-width: 900px) {
  .page-about .about-certs__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .page-about .about-cert {
    padding: 32px 20px 28px;
  }
}

.page-about .about-eco {
  padding: var(--section-gap) 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(27, 58, 107, 0.55) 0%, transparent 45%),
    var(--color-bg-deep);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-eco__head {
  max-width: 720px;
}

.page-about .about-eco__head h2 {
  margin: 12px 0 10px;
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  line-height: 1.15;
}

.page-about .about-eco__head p {
  color: var(--color-muted);
  line-height: 1.7;
}

.page-about .about-eco__grid {
  display: grid;
  gap: 12px;
  margin-top: 36px;
}

.page-about .about-eco__card {
  display: block;
  padding: 22px 18px;
  background: rgba(11, 14, 20, 0.4);
  border-left: 3px solid rgba(245, 197, 24, 0.7);
  border-radius: 2px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.page-about .about-eco__card:hover,
.page-about .about-eco__card:focus-visible {
  background: rgba(27, 58, 107, 0.55);
  border-left-color: var(--color-status);
  transform: translateX(4px);
}

.page-about .about-eco__code {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-about .about-eco__card h3 {
  margin: 0 0 6px;
  font-size: 1.125rem;
  color: var(--color-text);
}

.page-about .about-eco__card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
}

@media (min-width: 700px) {
  .page-about .about-eco__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

.page-about .about-team {
  padding: var(--section-gap) 0;
}

.page-about .about-team__grid {
  display: grid;
  gap: 32px;
}

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

.page-about .about-team__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: var(--gradient-accent);
}

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

.page-about .about-team__content h2 {
  margin: 12px 0 12px;
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  line-height: 1.15;
}

.page-about .about-team__content > p {
  margin: 0 0 24px;
  color: var(--color-muted);
  line-height: 1.7;
}

.page-about .about-team__values {
  display: grid;
  gap: 10px;
}

.page-about .about-team__value {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  padding: 14px 12px;
  background: rgba(27, 58, 107, 0.25);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-team__value-key {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-accent);
}

.page-about .about-team__value-desc {
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

@media (min-width: 900px) {
  .page-about .about-team__grid {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }
}

.page-about .about-cta {
  padding: 48px 0 64px;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
  border-top: 1px solid var(--line-soft);
}

.page-about .about-cta__inner {
  display: grid;
  gap: 18px;
  justify-items: start;
}

.page-about .about-cta__text {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text);
  max-width: 640px;
}

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