.page-about {
  --about-cyan: #00E5FF;
  --about-gold: #F0B90B;
  --about-gold-light: #F6D776;
  --about-navy: #0B0E1A;
  --about-deep: #1A1B4B;
  --about-surface: #12152B;
  --about-border: #3A3F6B;
  --about-text: #E8ECF3;
  --about-dim: #A0AABF;
  position: relative;
  overflow-x: clip;
  background-color: var(--about-navy);
  color: var(--about-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.page-about [id] {
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.about-shell {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 40px);
}

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

.about-figcap {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--about-dim);
  letter-spacing: 0.04em;
}

.about-bread {
  padding-top: 24px;
}

.about-hero {
  position: relative;
  padding-top: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(20px, 4vw, 48px);
}

.about-hero::before {
  content: '';
  position: absolute;
  top: -12%;
  right: -18%;
  width: 70%;
  height: 70%;
  background: radial-gradient(closest-side, rgba(0, 229, 255, 0.2), transparent);
  filter: blur(30px);
  pointer-events: none;
  z-index: 0;
}

.about-hero::after {
  content: '';
  position: absolute;
  left: 10%;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--about-cyan) 0%, transparent 38%, var(--about-gold) 72%, transparent 100%);
  opacity: 0.75;
  pointer-events: none;
}

.about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
  align-items: center;
}

@media (min-width: 900px) {
  .about-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(40px, 6vw, 80px);
  }
}

.about-hero__tag {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 14px;
  border: 2px solid var(--about-border);
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--about-cyan);
}

.about-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.2vw, 2.6rem);
  line-height: 1.18;
  letter-spacing: 0.01em;
  padding-bottom: 18px;
  border-bottom: 4px solid transparent;
  border-image: linear-gradient(90deg, var(--about-cyan) 0%, transparent 70%) 1;
}

.about-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: 1.04rem;
  color: var(--about-dim);
}

.about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.about-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 128px;
  padding: 14px 18px;
  border: 2px solid var(--about-border);
  border-radius: var(--radius);
  background: rgba(18, 21, 43, 0.72);
  box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.22);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.about-hero__fact:hover {
  border-color: var(--about-cyan);
  box-shadow: 7px 7px 0 rgba(0, 229, 255, 0.14);
}

.about-hero__fact strong {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--about-gold-light);
}

.about-hero__fact:nth-child(2) strong {
  color: var(--about-cyan);
}

.about-hero__fact span {
  font-size: 0.8rem;
  color: var(--about-dim);
}

.about-hero__note {
  margin: 24px 0 0;
  padding: 14px 18px;
  border-left: 4px solid var(--about-cyan);
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.1), transparent);
  font-size: 0.95rem;
  color: var(--about-dim);
}

.about-hero__figure {
  position: relative;
  margin: 0;
  padding: 12px;
  border: 2px solid var(--about-border);
  border-radius: 28px;
  background: linear-gradient(135deg, var(--about-deep), rgba(0, 229, 255, 0.16));
  box-shadow: var(--shadow-hard);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.about-hero__figure:hover {
  border-color: var(--about-cyan);
  box-shadow: 12px 12px 0 rgba(0, 229, 255, 0.16);
}

.about-hero__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
}

.about-story {
  padding: clamp(48px, 7vw, 80px) 0;
}

.about-story .about-shell {
  display: grid;
  gap: 40px;
}

.about-section-head {
  max-width: 760px;
}

.about-kicker {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 14px;
  border: 1px solid var(--about-border);
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.26em;
  color: var(--about-cyan);
}

.about-section-head h2 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.26;
}

.about-section-lead {
  margin: 0;
  max-width: 48em;
  color: var(--about-dim);
}

.about-philosophy__grid {
  display: grid;
  gap: 22px;
}

@media (min-width: 720px) {
  .about-philosophy__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-pillar {
  position: relative;
  padding: 28px 24px 30px;
  border: 2px solid var(--about-border);
  border-top: 5px solid var(--about-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 21, 43, 0.9), rgba(11, 14, 26, 0.5));
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.2);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.about-pillar:hover {
  transform: translateY(-4px);
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.24);
}

.about-pillar:nth-child(1) {
  border-top-color: var(--about-cyan);
}

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

.about-pillar:nth-child(3) {
  border-top-color: var(--about-deep);
}

.about-pillar__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--about-dim);
}

.about-pillar h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
}

.about-pillar p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--about-dim);
}

.about-timeline-section {
  position: relative;
  padding: clamp(48px, 7vw, 80px) 0;
}

.about-timeline-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26, 27, 75, 0.5), transparent 30%, transparent 70%, rgba(0, 229, 255, 0.05));
  pointer-events: none;
}

.about-timeline-section .about-shell {
  position: relative;
}

.about-timeline-wrap {
  display: grid;
  gap: 40px;
  margin-top: 32px;
}

@media (min-width: 1024px) {
  .about-timeline-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: start;
  }
}

.about-timeline {
  position: relative;
}

.about-timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 24px;
  bottom: 30px;
  width: 2px;
  background: linear-gradient(180deg, var(--about-cyan) 0%, var(--about-border) 55%, var(--about-gold) 100%);
  opacity: 0.45;
}

.about-tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 28px;
  padding: 20px 0 20px 48px;
}

.about-tl-item::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 32px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--about-navy);
  border: 3px solid var(--about-cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.12);
  transition: box-shadow var(--transition), transform var(--transition);
}

.about-tl-item:hover::before {
  transform: scale(1.25);
  box-shadow: 0 0 0 6px rgba(0, 229, 255, 0.2), 0 0 18px rgba(0, 229, 255, 0.5);
}

.about-tl-item--current::before {
  border-color: var(--about-gold);
  background: var(--about-gold);
  box-shadow: 0 0 0 4px rgba(240, 185, 11, 0.18), 0 0 18px rgba(240, 185, 11, 0.45);
}

@media (min-width: 800px) {
  .about-tl-item {
    grid-template-columns: 148px 1fr;
    padding-left: 56px;
  }

  .about-timeline::before {
    left: 20px;
  }

  .about-tl-item::before {
    left: 14px;
  }
}

.about-tl-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.about-tl-item__version {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  padding: 8px 14px;
  border: 2px solid var(--about-border);
  border-radius: 14px;
  background: var(--about-surface);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--about-cyan);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.18);
  transition: border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.about-tl-item:hover .about-tl-item__version {
  border-color: var(--about-cyan);
  box-shadow: 6px 6px 0 rgba(0, 229, 255, 0.15);
}

.about-tl-item--current .about-tl-item__version {
  border-color: var(--about-gold);
  color: var(--about-gold-light);
  box-shadow: 5px 5px 0 rgba(240, 185, 11, 0.22), 0 0 18px rgba(240, 185, 11, 0.15);
}

.about-tl-item__phase {
  padding: 2px 10px;
  border: 1px solid var(--about-border);
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--about-dim);
}

.about-tl-item--current .about-tl-item__phase {
  border-color: rgba(240, 185, 11, 0.6);
  color: var(--about-gold-light);
}

.about-tl-item__content h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
}

.about-tl-item__content p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--about-dim);
}

.about-tl-media {
  margin: 0;
  padding: 12px;
  border: 2px solid var(--about-border);
  border-radius: 24px;
  background: var(--about-surface);
  box-shadow: var(--shadow-hard);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.about-tl-media:hover {
  border-color: var(--about-gold);
  box-shadow: 12px 12px 0 rgba(240, 185, 11, 0.12);
}

.about-tl-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 600 / 900;
  border-radius: 16px;
}

.about-stats-section {
  padding: clamp(48px, 7vw, 80px) 0;
}

.about-stats {
  display: grid;
  gap: 32px;
  margin-top: 32px;
}

@media (min-width: 1024px) {
  .about-stats {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

.about-stats__panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 2px solid var(--about-border);
  border-radius: 28px;
  background: var(--about-border);
  box-shadow: var(--shadow-hard);
}

@media (min-width: 640px) {
  .about-stats__panel {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px 16px 24px;
  background: linear-gradient(145deg, rgba(18, 21, 43, 0.92), rgba(11, 14, 26, 0.72));
  transition: background var(--transition);
}

.about-stat:hover {
  background: linear-gradient(145deg, rgba(26, 27, 75, 0.9), rgba(0, 229, 255, 0.12));
}

.about-stat__value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.1;
  color: var(--about-cyan);
}

.about-stat:nth-child(1) .about-stat__value,
.about-stat:nth-child(3) .about-stat__value,
.about-stat:nth-child(5) .about-stat__value {
  color: var(--about-gold-light);
}

.about-stat__label {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--about-dim);
}

.about-stats__map {
  margin: 0;
  padding: 14px;
  border: 2px solid var(--about-border);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(18, 21, 43, 0.7), rgba(0, 229, 255, 0.08));
  box-shadow: var(--shadow-hard);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.about-stats__map:hover {
  border-color: var(--about-cyan);
  box-shadow: 12px 12px 0 rgba(0, 229, 255, 0.13);
}

.about-stats__map img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 800 / 450;
  border-radius: 18px;
}

.about-cert-section {
  padding: clamp(48px, 7vw, 80px) 0 32px;
}

.about-cert-grid {
  display: grid;
  gap: 20px;
  margin-top: 32px;
}

@media (min-width: 720px) {
  .about-cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.about-cert {
  border: 2px solid var(--about-border);
  border-radius: 20px;
  background: var(--about-surface);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.22);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.about-cert:hover {
  border-color: var(--about-cyan);
}

.about-cert[open] {
  border-color: var(--about-gold);
}

.about-cert summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.02rem;
  transition: color var(--transition);
}

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

.about-cert summary:focus-visible {
  outline: 3px solid var(--about-cyan);
  outline-offset: 2px;
}

.about-cert__icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 2px solid var(--about-gold);
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, rgba(240, 185, 11, 0.35), rgba(11, 14, 26, 0.4));
  color: var(--about-gold-light);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  transition: transform var(--transition), border-color var(--transition);
}

.about-cert:hover .about-cert__icon {
  transform: rotate(-6deg) scale(1.06);
  border-color: var(--about-cyan);
}

.about-cert__arrow {
  margin-left: auto;
  color: var(--about-dim);
  font-size: 1.1rem;
  transition: transform var(--transition), color var(--transition);
}

.about-cert[open] .about-cert__arrow {
  transform: rotate(45deg);
  color: var(--about-gold);
}

.about-cert__body {
  padding: 0 20px 18px;
  border-top: 1px solid var(--about-border);
  font-size: 0.95rem;
  color: var(--about-dim);
}

.about-cert__body p {
  margin: 0;
  padding-top: 14px;
}

.about-outro {
  padding: 48px 0 80px;
}

.about-outro__inner {
  max-width: 900px;
  margin-inline: auto;
  padding: 48px clamp(20px, 5vw, 56px);
  border: 2px solid var(--about-border);
  border-radius: 32px;
  text-align: center;
  background: linear-gradient(135deg, rgba(26, 27, 75, 0.72), rgba(0, 229, 255, 0.1) 48%, rgba(240, 185, 11, 0.12));
  box-shadow: var(--shadow-hard);
}

.about-outro h2 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
}

.about-outro p {
  margin: 0 auto;
  max-width: 44em;
  color: var(--about-dim);
}

.about-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 28px;
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition: none !important;
  }
}