.page-about {
  --tl-gap: 84px;
  --tl-node: 26px;
  --tl-line: 2px;
  --about-card-border: rgba(108, 77, 246, 0.22);
  --about-green-glow: rgba(163, 255, 18, 0.14);
  background: var(--c-dark);
  color: var(--c-white);
  overflow-x: hidden;
}

.page-about .section {
  padding: clamp(64px, 10vw, 128px) 0;
}

.page-about .section-head {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-about .section-head__tag {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-primary-light);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-about .section-head__tag::after {
  content: "";
  width: 42px;
  height: 1px;
  background: var(--c-primary-light);
  opacity: 0.5;
}

.page-about .section-head__title {
  font-family: var(--font-heading);
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 700;
  line-height: 1.05;
  margin: 18px 0 12px;
  letter-spacing: 0.01em;
}

.page-about .section-head__desc {
  max-width: 620px;
  color: var(--c-muted);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.page-about .about-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 32px;
  color: var(--c-muted);
}

.page-about .about-breadcrumb__link {
  color: var(--c-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-about .about-breadcrumb__link:hover,
.page-about .about-breadcrumb__link:focus-visible {
  color: var(--c-accent);
}

.page-about .about-breadcrumb__sep {
  color: var(--c-primary-light);
  font-family: var(--font-mono);
}

.page-about .about-breadcrumb__current {
  color: var(--c-white);
  font-weight: 600;
}

/* ===================== HERO ===================== */
.page-about .about-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 48px) var(--gutter) 72px;
  background:
    radial-gradient(ellipse 80% 60% at 72% 20%, rgba(108, 77, 246, 0.30), transparent 62%),
    radial-gradient(ellipse 60% 50% at 12% 88%, rgba(163, 255, 18, 0.07), transparent 55%),
    linear-gradient(160deg, var(--c-primary) 0%, #1C1445 45%, var(--c-dark) 100%);
  overflow: hidden;
}

.page-about .about-hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(244, 242, 238, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 242, 238, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.page-about .about-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0 0 20px;
  padding: 8px 14px;
  border: 1px solid rgba(163, 255, 18, 0.35);
  background: rgba(163, 255, 18, 0.06);
}

.page-about .about-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(52px, 9vw, 104px);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: 0.01em;
  margin: 0 0 24px;
  transform: skewX(-1.5deg);
  text-transform: uppercase;
}

.page-about .about-hero__lead-line {
  display: block;
}

.page-about .about-hero__highlight {
  display: inline-block;
  color: var(--c-accent);
  text-shadow: 0 0 42px rgba(163, 255, 18, 0.45), 0 0 8px rgba(163, 255, 18, 0.6);
}

.page-about .about-hero__desc {
  max-width: 560px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 242, 238, 0.82);
  margin: 0 0 32px;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-about .about-hero__media {
  position: relative;
  margin: 0;
}

.page-about .about-hero__media::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid rgba(163, 255, 18, 0.4);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
  border: 1px solid var(--about-card-border);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

.page-about .about-hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
}

.page-about .about-hero__scroll-line {
  width: 1px;
  height: 52px;
  background: linear-gradient(180deg, var(--c-accent), transparent);
  animation: aboutScrollPulse 2s ease-in-out infinite;
}

@keyframes aboutScrollPulse {
  0%, 100% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  50% { transform: scaleY(0.55); transform-origin: top; opacity: 0.5; }
}

/* ===================== WHO ===================== */
.page-about .about-who {
  position: relative;
  background:
    radial-gradient(ellipse 40% 50% at 85% 10%, rgba(108, 77, 246, 0.14), transparent 65%),
    var(--c-dark);
}

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

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

.page-about .about-who__copy p {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 242, 238, 0.82);
  margin: 0 0 18px;
}

.page-about .about-who__lead {
  font-size: clamp(20px, 2.6vw, 26px) !important;
  line-height: 1.5 !important;
  color: var(--c-white) !important;
  font-weight: 600;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-gray);
}

.page-about .about-who__slogan {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 32px);
  margin-top: 24px;
}

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

.page-about .about-who__stat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 20px;
  background: rgba(18, 16, 31, 0.7);
  border: 1px solid var(--about-card-border);
  clip-path: var(--clip-cut);
  min-height: 130px;
  justify-content: center;
}

.page-about .about-who__stat .data-num {
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1;
}

.page-about .data-num__unit {
  font-size: 0.55em;
  margin-left: 2px;
  color: var(--c-accent);
}

.page-about .about-who__stat-label {
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0.06em;
}

/* ===================== TIMELINE ===================== */
.page-about .about-timeline {
  position: relative;
  background: linear-gradient(180deg, var(--c-dark) 0%, var(--c-gray) 100%);
}

.page-about .about-timeline__track {
  position: relative;
  margin-top: 56px;
}

.page-about .about-timeline__track::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: var(--tl-line);
  background: linear-gradient(180deg, var(--c-accent) 0%, var(--c-primary-light) 60%, var(--c-warning) 100%);
  border-radius: 2px;
  z-index: 0;
}

.page-about .about-timeline__deco {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(78%, 920px);
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

.page-about .about-timeline__item {
  position: relative;
  z-index: 1;
  margin-bottom: 36px;
  padding: 28px 24px 26px 52px;
  background: rgba(18, 16, 31, 0.78);
  border: 1px solid var(--about-card-border);
  backdrop-filter: blur(3px);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-color var(--transition-med), background var(--transition-med);
}

.page-about .about-timeline__item:hover,
.page-about .about-timeline__item:focus-within {
  border-color: rgba(163, 255, 18, 0.4);
  background: rgba(22, 20, 38, 0.9);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -13px;
  top: 34px;
  width: var(--tl-node);
  height: var(--tl-node);
  background: var(--c-dark);
  border: 3px solid var(--c-accent);
  transform: rotate(45deg);
  z-index: 2;
}

.page-about .about-timeline__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .about-timeline__era {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-about .about-timeline__title {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  margin: 0;
  color: var(--c-white);
}

.page-about .about-timeline__summary {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 242, 238, 0.78);
  margin: 14px 0 10px;
}

.page-about .about-timeline__detail {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 242, 238, 0.72);
  border-top: 1px dashed rgba(108, 77, 246, 0.3);
  margin-top: 8px;
  padding-top: 14px;
}

.page-about .about-timeline__detail p {
  margin: 0;
}

.page-about [data-more-content][data-open="false"] {
  display: none;
}

.page-about [data-more-content][data-open="true"] {
  display: block;
  animation: aboutFadeSlideIn 0.32s ease;
}

@keyframes aboutFadeSlideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-about .more-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  margin-top: 4px;
  background: transparent;
  border: 1px solid rgba(108, 77, 246, 0.45);
  color: var(--c-primary-light);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.page-about .more-toggle:hover,
.page-about .more-toggle:focus-visible {
  color: var(--c-accent);
  border-color: var(--c-accent);
  background: var(--about-green-glow);
}

.page-about .about-timeline__logo {
  margin: 72px auto 0;
  max-width: 720px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.page-about .about-timeline__logo-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  border: 1px solid var(--about-card-border);
}

.page-about .about-timeline__logo-caption {
  margin-top: 14px;
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}

/* ===================== PHILOSOPHY ===================== */
.page-about .about-philosophy {
  background:
    radial-gradient(ellipse 50% 40% at 10% 20%, rgba(185, 103, 255, 0.10), transparent 60%),
    linear-gradient(180deg, #1D1830 0%, var(--c-dark) 100%);
}

.page-about .about-philosophy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .about-philosophy__card {
  position: relative;
  padding: 36px 28px;
  background: rgba(18, 16, 31, 0.62);
  border-color: var(--about-card-border);
}

.page-about .about-philosophy__card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(185, 103, 255, 0.25), transparent 70%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-about .about-philosophy__no {
  font-family: var(--font-mono);
  font-size: 23px;
  font-weight: 700;
  color: var(--c-neon-pink);
  display: block;
  margin-bottom: 16px;
}

.page-about .about-philosophy__title {
  font-family: var(--font-heading);
  font-size: clamp(24px, 2.8vw, 30px);
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--c-white);
}

.page-about .about-philosophy__text {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 242, 238, 0.76);
  margin: 0;
}

/* ===================== PROMISE ===================== */
.page-about .about-promise {
  position: relative;
  background:
    radial-gradient(ellipse 60% 50% at 80% 60%, rgba(108, 77, 246, 0.26), transparent 65%),
    linear-gradient(135deg, #241D52 0%, var(--c-primary) 100%);
}

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

.page-about .about-promise__lead {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 242, 238, 0.85);
  margin: 0 0 28px;
  max-width: 560px;
}

.page-about .about-promise__list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: grid;
  gap: 14px;
}

.page-about .about-promise__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px 18px 48px;
  background: rgba(18, 16, 31, 0.42);
  border: 1px solid rgba(244, 242, 238, 0.10);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-about .about-promise__item::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  transform: rotate(-45deg);
}

.page-about .about-promise__item-title {
  color: var(--c-accent);
  font-size: 15px;
  font-weight: 700;
}

.page-about .about-promise__item span {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(244, 242, 238, 0.78);
}

.page-about .about-promise__media {
  margin: 0;
  position: relative;
}

.page-about .about-promise__media::after {
  content: "";
  position: absolute;
  inset: -12px 12px 12px -12px;
  border: 1px solid rgba(163, 255, 18, 0.35);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-promise__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  border: 1px solid rgba(244, 242, 238, 0.14);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.35);
}

/* ===================== HONORS ===================== */
.page-about .about-honors {
  background:
    radial-gradient(ellipse 45% 40% at 18% 20%, rgba(255, 122, 0, 0.10), transparent 60%),
    var(--c-dark);
}

.page-about .about-honors__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-honors__main {
  padding: clamp(28px, 4vw, 44px);
  background: linear-gradient(140deg, rgba(108, 77, 246, 0.18) 0%, rgba(18, 16, 31, 0.8) 60%);
  border-color: rgba(185, 103, 255, 0.35);
}

.page-about .about-honors__main .badge {
  margin-bottom: 18px;
}

.page-about .about-honors__name {
  font-family: var(--font-heading);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.12;
  margin: 0 0 16px;
  color: var(--c-white);
}

.page-about .about-honors__text {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 242, 238, 0.78);
  margin: 0;
  max-width: 560px;
}

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

.page-about .about-honors__item {
  padding: 24px 22px;
  background: rgba(18, 16, 31, 0.72);
  border: 1px solid var(--about-card-border);
  clip-path: var(--clip-cut);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 110px;
  justify-content: center;
}

.page-about .about-honors__item .data-num {
  font-size: clamp(28px, 3vw, 36px);
}

.page-about .about-honors__item-text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
  margin: 0;
}

/* ===================== CTA ===================== */
.page-about .about-cta {
  position: relative;
  background: linear-gradient(180deg, var(--c-dark) 0%, #1A1533 100%);
  text-align: center;
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grad-line);
}

.page-about .about-cta__inner {
  max-width: 780px;
  margin: 0 auto;
}

.page-about .about-cta__title {
  font-family: var(--font-heading);
  font-size: clamp(34px, 5.4vw, 58px);
  font-weight: 800;
  line-height: 1.05;
  margin: 0 0 18px;
  color: var(--c-white);
}

.page-about .about-cta__desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-muted);
  margin: 0 auto 36px;
  max-width: 560px;
}

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

/* ===================== MEDIA QUERIES ===================== */
@media (min-width: 640px) {
  .page-about .about-who__stats {
    gap: 20px;
  }

  .page-about .about-who__stat {
    padding: 32px 24px;
    min-height: 150px;
  }

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

  .page-about .about-philosophy__card:last-child {
    grid-column: 1 / -1;
  }

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

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

@media (min-width: 1100px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-about .about-hero__title {
    font-size: clamp(72px, 9vw, 110px);
  }

  .page-about .about-who__grid {
    grid-template-columns: 1fr 0.9fr;
    align-items: start;
  }

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

  .page-about .about-who__stat {
    min-height: 96px;
    flex-direction: row;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
  }

  .page-about .about-who__stat-label {
    font-size: 15px;
  }

  .page-about .about-timeline__track {
    margin-top: 72px;
  }

  .page-about .about-timeline__track::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .about-timeline__item {
    width: calc(50% - var(--tl-gap));
    margin-left: 0;
    padding-left: 30px;
  }

  .page-about .about-timeline__item:nth-child(even) {
    margin-left: calc(50% + var(--tl-gap));
  }

  .page-about .about-timeline__item::before {
    left: auto;
    right: calc(-1 * (var(--tl-gap) + 13px));
    top: 38px;
  }

  .page-about .about-timeline__item:nth-child(even)::before {
    left: calc(-1 * (var(--tl-gap) + 13px));
    right: auto;
  }

  .page-about .about-timeline__deco {
    width: min(86%, 1100px);
  }

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

  .page-about .about-philosophy__card:last-child {
    grid-column: auto;
  }

  .page-about .about-promise__grid {
    grid-template-columns: 1fr 0.92fr;
    gap: 72px;
  }

  .page-about .about-honors__grid {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: stretch;
  }

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

  .page-about .about-honors__item {
    min-height: 120px;
  }

  .page-about .about-cta__actions {
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}