.page-about {
  --about-accent-blue: #00C8FF;
  --about-accent-orange: #FFA500;
  --about-accent-silver: #C0C0C0;
  --about-dark-panel: #161B28;
  --about-light-panel: #1B2130;
  --about-glow: rgba(0, 200, 255, 0.1);
  --about-num-size: clamp(3rem, 6vw, 5.5rem);
  position: relative;
  background: var(--color-bg);
  color: var(--text-primary);
  overflow-x: hidden;
}

.page-about .container {
  width: 100%;
  max-width: var(--container, 1280px);
  margin: 0 auto;
  padding-left: var(--container-pad, clamp(20px, 4vw, 48px));
  padding-right: var(--container-pad, clamp(20px, 4vw, 48px));
}

.page-about .breadcrumbs {
  padding: 84px var(--container-pad, clamp(20px, 4vw, 48px)) 0;
  max-width: var(--container, 1280px);
  margin: 0 auto;
}

.page-about .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-num, "Roboto Mono", monospace);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.page-about .breadcrumbs__link {
  color: var(--text-muted, rgba(255, 255, 255, 0.42));
  text-decoration: none;
  transition: color var(--transition-main, 250ms);
}

.page-about .breadcrumbs__link:hover {
  color: var(--color-electric, #00C8FF);
}

.page-about .breadcrumbs__current {
  color: var(--text-secondary, rgba(255, 255, 255, 0.68));
}

.page-about .section__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-num, "Roboto Mono", monospace);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-electric, #00C8FF);
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-title, "Noto Sans SC", sans-serif);
}

.page-about h1 {
  margin: 0 0 24px;
  font-size: clamp(2rem, 5.6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  transform: skewX(-10deg);
  transform-origin: left center;
  color: var(--color-white, #FFFFFF);
}

.page-about h1 .about-hero__sub {
  display: block;
  font-size: clamp(1.1rem, 3.4vw, 2rem);
  font-weight: 700;
  color: var(--color-electric, #00C8FF);
  margin-top: 8px;
}

.page-about h2 {
  margin: 0 0 16px;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-white, #FFFFFF);
}

.page-about h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white, #FFFFFF);
}

.page-about p {
  margin: 0 0 14px;
  line-height: 1.7;
  color: var(--text-secondary, rgba(255, 255, 255, 0.68));
}

.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-pill, 999px);
  font-family: var(--font-body, "Noto Sans SC", sans-serif);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  transform: skewX(-6deg);
  transition: transform var(--transition-main, 250ms), box-shadow var(--transition-main, 250ms), background var(--transition-main, 250ms);
  border: 1px solid transparent;
  cursor: pointer;
}

.page-about .btn--primary {
  background: var(--color-electric, #00C8FF);
  color: #0B0F1A;
  box-shadow: 0 0 24px rgba(0, 200, 255, 0.22);
}

.page-about .btn--primary:hover {
  transform: skewX(-6deg) translateY(-2px);
  box-shadow: 0 0 36px rgba(0, 200, 255, 0.35);
}

.page-about .btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(192, 192, 192, 0.3);
  color: var(--color-silver, #C0C0C0);
}

.page-about .btn--ghost:hover {
  border-color: var(--color-electric, #00C8FF);
  color: var(--color-electric, #00C8FF);
  transform: skewX(-6deg) translateY(-2px);
}

.page-about .btn + .btn {
  margin-left: 14px;
}

/* ====== Hero ====== */
.page-about .about-hero {
  position: relative;
  padding: 48px 0 64px;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(0, 200, 255, 0.08), transparent 60%),
    radial-gradient(ellipse at 10% 80%, rgba(255, 165, 0, 0.05), transparent 50%),
    var(--color-bg);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(115deg, transparent 0px, transparent 14px, rgba(255, 255, 255, 0.015) 14px, rgba(255, 255, 255, 0.015) 15px);
  opacity: 0.6;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  position: relative;
}

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

.page-about .about-hero__lead {
  font-size: 1rem;
  max-width: 60ch;
}

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

.page-about .about-hero__actions .btn + .btn {
  margin-left: 0;
}

.page-about .about-hero__side {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.page-about .about-hero__stat {
  position: relative;
  padding: 22px 16px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(192, 192, 192, 0.16);
  border-radius: var(--radius-md, 14px);
  overflow: hidden;
}

.page-about .about-hero__stat::after {
  content: "";
  position: absolute;
  top: 0;
  left: 12px;
  right: 12px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-electric, #00C8FF), transparent);
}

.page-about .about-hero__number {
  display: block;
  font-family: var(--font-num, "Roboto Mono", monospace);
  font-size: var(--about-num-size);
  font-weight: 500;
  line-height: 1;
  background: linear-gradient(180deg, var(--color-bluebright, #66E0FF), var(--color-electric, #00C8FF));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-electric, #00C8FF);
  margin-bottom: 10px;
}

.page-about .about-hero__label {
  font-family: var(--font-body, "Noto Sans SC", sans-serif);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-secondary, rgba(255, 255, 255, 0.68));
}

/* ====== Story ====== */
.page-about .about-story {
  padding: 64px 0;
  background: var(--color-bg);
}

.page-about .about-story__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-about .about-story__text {
  max-width: 680px;
}

.page-about .about-story__trust {
  margin-top: 20px;
  padding: 16px 20px;
  border-left: 3px solid var(--color-orange, #FFA500);
  background: rgba(255, 165, 0, 0.06);
  border-radius: 0 var(--radius-sm, 8px) var(--radius-sm, 8px) 0;
  font-size: 0.92rem;
  color: var(--text-secondary, rgba(255, 255, 255, 0.68));
}

.page-about .about-story__aside {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-story__principle {
  padding: 20px 22px;
  background: var(--about-dark-panel);
  border: 1px solid rgba(192, 192, 192, 0.12);
  border-radius: var(--radius-md, 14px);
  position: relative;
  transition: border-color var(--transition-main, 250ms), transform var(--transition-main, 250ms);
}

.page-about .about-story__principle:hover {
  border-color: rgba(0, 200, 255, 0.35);
  transform: translateX(4px);
}

.page-about .about-story__index {
  display: block;
  font-family: var(--font-num, "Roboto Mono", monospace);
  font-size: 0.8rem;
  color: var(--color-orange, #FFA500);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.page-about .about-story__principle p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

/* ====== Milestones ====== */
.page-about .about-milestones {
  padding: 64px 0 72px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.2), transparent), var(--color-bg);
}

.page-about .about-milestones__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  max-width: var(--container, 1280px);
  margin: 0 auto;
  padding-left: var(--container-pad, clamp(20px, 4vw, 48px));
  padding-right: var(--container-pad, clamp(20px, 4vw, 48px));
}

.page-about .about-milestones__rail {
  padding: 24px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(192, 192, 192, 0.12);
  border-radius: var(--radius-lg, 20px);
}

.page-about .about-milestones__rail h2 {
  margin-bottom: 4px;
  font-size: 2rem;
}

.page-about .about-milestones__rail-wrap {
  display: flex;
  gap: 18px;
  flex-direction: row;
  align-items: center;
  margin-top: 20px;
}

.page-about .about-milestones__svg {
  width: 60px;
  height: auto;
  flex-shrink: 0;
}

.page-about .about-milestones__nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-about .about-milestones__nav a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm, 8px);
  font-family: var(--font-num, "Roboto Mono", monospace);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-secondary, rgba(255, 255, 255, 0.68));
  text-decoration: none;
  transition: background var(--transition-main, 250ms), color var(--transition-main, 250ms), padding-left var(--transition-main, 250ms);
}

.page-about .about-milestones__nav a:hover {
  color: var(--color-electric, #00C8FF);
  background: rgba(0, 200, 255, 0.06);
  padding-left: 18px;
}

.page-about .about-milestones__content {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-about .about-milestone {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 18px;
  padding: 22px 20px;
  border-radius: var(--radius-lg, 20px);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-main, 250ms), box-shadow var(--transition-main, 250ms);
}

.page-about .about-milestone--dark {
  background: var(--about-dark-panel);
  border: 1px solid rgba(0, 200, 255, 0.14);
}

.page-about .about-milestone--light {
  background: var(--about-light-panel);
  border: 1px solid rgba(192, 192, 192, 0.14);
}

.page-about .about-milestone--accent {
  background: linear-gradient(135deg, rgba(0, 200, 255, 0.08), rgba(255, 165, 0, 0.06));
  border: 1px solid rgba(0, 200, 255, 0.25);
}

.page-about .about-milestone::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-electric, #00C8FF), transparent);
}

.page-about .about-milestone--light::before {
  background: linear-gradient(180deg, var(--color-silver, #C0C0C0), transparent);
}

.page-about .about-milestone--accent::before {
  background: linear-gradient(180deg, var(--color-orange, #FFA500), transparent);
}

.page-about .about-milestone:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card, 0 12px 40px rgba(0, 0, 0, 0.35));
}

.page-about .about-milestone__year {
  font-family: var(--font-num, "Roboto Mono", monospace);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 500;
  line-height: 1;
  color: var(--color-electric, #00C8FF);
  padding-top: 4px;
}

.page-about .about-milestone--light .about-milestone__year {
  color: var(--color-silver, #C0C0C0);
}

.page-about .about-milestone--accent .about-milestone__year {
  color: var(--color-orange, #FFA500);
}

.page-about .about-milestone__body p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.page-about .about-milestones__chart {
  margin-top: 20px;
  border-radius: var(--radius-lg, 20px);
  overflow: hidden;
  border: 1px solid rgba(192, 192, 192, 0.14);
}

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

/* ====== Coverage ====== */
.page-about .about-coverage {
  padding: 64px 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(0, 200, 255, 0.05), transparent 55%),
    var(--color-bg);
}

.page-about .about-coverage .section__header {
  margin-bottom: 36px;
}

.page-about .about-coverage .section__subtitle {
  max-width: 60ch;
}

.page-about .about-coverage__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 40px;
}

.page-about .about-coverage__media {
  border-radius: var(--radius-lg, 20px);
  overflow: hidden;
  border: 1px solid rgba(192, 192, 192, 0.14);
  box-shadow: var(--shadow-card, 0 12px 40px rgba(0, 0, 0, 0.35));
}

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

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

.page-about .about-coverage__stat {
  padding: 20px 16px;
  background: var(--about-dark-panel);
  border: 1px solid rgba(192, 192, 192, 0.13);
  border-radius: var(--radius-md, 14px);
  text-align: left;
  position: relative;
  min-width: 0;
}

.page-about .about-coverage__stat::after {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-electric, #00C8FF), transparent);
  opacity: 0.5;
}

.page-about .about-coverage__num {
  display: block;
  font-family: var(--font-num, "Roboto Mono", monospace);
  font-size: clamp(1.9rem, 3vw, 3.2rem);
  font-weight: 500;
  line-height: 1;
  color: var(--color-bluebright, #66E0FF);
  margin-bottom: 12px;
}

.page-about .about-coverage__label {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary, rgba(255, 255, 255, 0.68));
  line-height: 1.4;
}

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

.page-about .about-coverage__text {
  padding: 22px 20px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(192, 192, 192, 0.1);
  border-radius: var(--radius-md, 14px);
  transition: border-color var(--transition-main, 250ms);
}

.page-about .about-coverage__text:hover {
  border-color: rgba(0, 200, 255, 0.25);
}

.page-about .about-coverage__text h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.page-about .about-coverage__text p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

/* ====== Team ====== */
.page-about .about-team {
  padding: 64px 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15), transparent), var(--color-bg);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .about-team__copy {
  max-width: 680px;
}

.page-about .about-team__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-about .about-team__actions .btn + .btn {
  margin-left: 0;
}

.page-about .about-team__media {
  border-radius: var(--radius-lg, 20px);
  overflow: hidden;
  border: 1px solid rgba(192, 192, 192, 0.14);
  box-shadow: var(--shadow-card, 0 12px 40px rgba(0, 0, 0, 0.35));
}

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

/* ====== Trust ====== */
.page-about .about-trust {
  padding: 72px 0 88px;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(255, 165, 0, 0.05), transparent 55%),
    var(--color-bg);
}

.page-about .about-trust .section__header {
  margin-bottom: 36px;
}

.page-about .about-trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 40px;
}

.page-about .about-trust__card {
  padding: 24px 20px;
  background: var(--about-dark-panel);
  border: 1px solid rgba(192, 192, 192, 0.12);
  border-radius: var(--radius-md, 14px);
  transition: transform var(--transition-main, 250ms), border-color var(--transition-main, 250ms), box-shadow var(--transition-main, 250ms);
}

.page-about .about-trust__card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 200, 255, 0.3);
  box-shadow: var(--shadow-card, 0 12px 40px rgba(0, 0, 0, 0.35));
}

.page-about .about-trust__icon {
  display: block;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
}

.page-about .about-trust__card p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.page-about .about-trust__contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 28px 24px;
  background: linear-gradient(135deg, rgba(0, 200, 255, 0.05), rgba(255, 165, 0, 0.04));
  border: 1px solid rgba(0, 200, 255, 0.18);
  border-radius: var(--radius-lg, 20px);
}

.page-about .about-trust__contact-copy p {
  max-width: 62ch;
}

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

.page-about .about-trust__contact-list p {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  margin: 0;
  font-family: var(--font-num, "Roboto Mono", monospace);
  font-size: 0.82rem;
  color: var(--color-silver, #C0C0C0);
}

.page-about .about-trust__contact-list strong {
  font-family: var(--font-body, "Noto Sans SC", sans-serif);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary, rgba(255, 255, 255, 0.92));
}

.page-about .about-trust__contact-copy .btn {
  margin-top: 16px;
}

/* ====== Reveal ====== */
.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease-out, transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.page-about [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ====== Desktop ≥768px ====== */
@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 64px 0 80px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: end;
  }

  .page-about .about-hero__side {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .page-about .about-story__grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
  }

  .page-about .about-story__aside {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .page-about .about-milestones {
    padding: 80px 0;
  }

  .page-about .about-milestones__layout {
    grid-template-columns: 320px 1fr;
    gap: 48px;
  }

  .page-about .about-milestones__rail {
    position: sticky;
    top: calc(var(--header-height, 72px) + 24px);
    align-self: start;
  }

  .page-about .about-milestones__rail-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .page-about .about-milestones__svg {
    width: 100%;
    max-width: 180px;
    height: auto;
  }

  .page-about .about-milestones__nav {
    width: 100%;
  }

  .page-about .about-milestone {
    grid-template-columns: 100px 1fr;
    gap: 24px;
    padding: 28px 28px;
  }

  .page-about .about-coverage__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 32px;
    align-items: stretch;
  }

  .page-about .about-coverage__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .page-about .about-coverage__detail {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

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

  .page-about .about-trust__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-about .about-trust__contact {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 36px 32px;
    align-items: center;
  }
}

/* ====== Desktop ≥1080px ====== */
@media (min-width: 1080px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.6fr 0.9fr;
  }

  .page-about .about-hero__lead {
    font-size: 1.06rem;
  }

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

  .page-about .about-story__text {
    font-size: 1rem;
  }

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

/* ====== Reduced Motion ====== */
@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about h1 {
    transform: none;
  }

  .page-about .btn {
    transform: none;
    transition: none;
  }

  .page-about .btn:hover {
    transform: none;
  }

  .page-about .about-story__principle:hover,
  .page-about .about-milestone:hover,
  .page-about .about-coverage__text:hover,
  .page-about .about-trust__card:hover {
    transform: none;
    box-shadow: none;
  }

  .page-about .about-milestones__nav a:hover {
    padding-left: 12px;
  }
}

.page-about {
  --reveal-delay: 0.3s;
}