.page-about{
  --about-rail-w: 210px;
  --about-gap: 64px;
  --about-hero-pad: 96px;
  --about-number: clamp(3.5rem, 9vw, 7.5rem);
  color: var(--c-cream);
  background-color: var(--c-bg);
  background-image:
    linear-gradient(rgba(245, 183, 0, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 183, 0, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  overflow-x: clip;
}

.page-about .breadcrumb{
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 18px 20px 0;
  font-size: 0.875rem;
  color: var(--c-gray);
}

.page-about .breadcrumb__list{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .breadcrumb__list a{
  color: var(--c-royal-bright);
  text-underline-offset: 4px;
  text-decoration-color: rgba(112, 149, 255, 0.5);
}

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

.page-about .breadcrumb__list li[aria-current="page"]{
  color: var(--c-cream);
}

.page-about .about-hero{
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  padding: var(--about-hero-pad) 20px 52px;
  overflow: hidden;
  background: linear-gradient(160deg, #060D1A 0%, #0A1428 55%, #0D1B2A 100%);
  border-bottom: 1px solid rgba(245, 183, 0, 0.32);
}

.page-about .about-hero__bg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.85) contrast(1.08);
}

.page-about .about-hero__shade{
  position: absolute;
  inset: 0;
  background: linear-gradient(104deg, rgba(6, 13, 26, 0.92) 12%, rgba(10, 20, 40, 0.68) 58%, rgba(13, 27, 42, 0.4) 100%);
}

.page-about .about-hero__season{
  position: absolute;
  top: 40px;
  right: 12px;
  font-family: var(--font-display);
  font-size: clamp(9rem, 24vw, 19rem);
  font-weight: 300;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(245, 183, 0, 0.64);
  opacity: 0.6;
  user-select: none;
  pointer-events: none;
}

.page-about .about-hero__inner{
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin-inline: auto;
  width: 100%;
}

.page-about .eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  padding: 6px 14px;
  border: 1px solid rgba(245, 183, 0, 0.45);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold);
  background: rgba(6, 13, 26, 0.5);
}

.page-about .about-hero h1{
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6.4vw, 5.2rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0.01em;
  color: var(--c-cream);
  text-shadow: 0 2px 36px rgba(0, 0, 0, 0.5);
}

.page-about .about-hero__lede{
  max-width: 720px;
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.22rem);
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.86);
}

.page-about .about-hero__meta{
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(245, 183, 0, 0.28);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--c-gray);
}

.page-about .about-hero__meta span::before{
  content: "◆";
  display: inline-block;
  margin-right: 8px;
  font-size: 0.62rem;
  color: var(--c-gold);
}

.page-about .about-layout{
  display: grid;
  gap: 28px;
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 34px 20px 64px;
}

.page-about .chapter-rail{
  position: relative;
  padding: 18px 16px;
  border: 1px solid rgba(245, 183, 0, 0.22);
  border-radius: 16px;
  background: rgba(13, 27, 42, 0.72);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
  scrollbar-width: thin;
}

.page-about .chapter-rail__label{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-gray);
}

.page-about .chapter-rail__list{
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
}

.page-about .chapter-rail__list a{
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-gray);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-about .chapter-rail__list a span{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-gold);
}

.page-about .chapter-rail__list a:hover,
.page-about .chapter-rail__list a:focus-visible{
  color: var(--c-cream);
  border-color: rgba(245, 183, 0, 0.5);
  background: rgba(245, 183, 0, 0.08);
}

.page-about .chapter-body{
  min-width: 0;
  display: grid;
  gap: 72px;
}

.page-about .about-section{
  display: grid;
  gap: 22px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .section__head{
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(245, 183, 0, 0.3);
}

.page-about .section__index{
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 300;
  color: transparent;
  -webkit-text-stroke: 1px rgba(245, 183, 0, 0.72);
  line-height: 1;
}

.page-about .section__title{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--c-cream);
}

.page-about .about-section__lead{
  margin: 0;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.85;
  color: var(--c-cream);
}

.page-about .about-section p{
  margin: 0;
  line-height: 1.85;
  color: rgba(245, 240, 230, 0.86);
}

.page-about .fact-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 8px 0;
}

.page-about .fact-card{
  position: relative;
  display: grid;
  align-content: start;
  padding: 18px 16px;
  border: 1px solid rgba(112, 149, 255, 0.24);
  border-radius: 14px;
  background: rgba(13, 27, 42, 0.84);
  overflow: hidden;
}

.page-about .fact-card::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--c-gold), transparent);
}

.page-about .fact-card__label{
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--c-gray);
}

.page-about .fact-card__num{
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4rem);
  font-weight: 300;
  line-height: 0.95;
  color: var(--c-neon);
}

.page-about .fact-card__unit{
  margin-top: 4px;
  font-size: 0.86rem;
  color: var(--c-gold);
}

.page-about .fact-card p{
  margin-top: 12px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(245, 240, 230, 0.78);
}

.page-about .milestone-wrap{
  display: grid;
  gap: 26px;
}

.page-about .milestone-media{
  position: relative;
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(245, 183, 0, 0.24);
  aspect-ratio: 4 / 3;
  background: var(--c-bg-deep);
}

.page-about .milestone-media img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-about .milestone-media figcaption{
  position: absolute;
  left: 14px;
  bottom: 14px;
  max-width: calc(100% - 28px);
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-cream);
  background: rgba(6, 13, 26, 0.78);
  backdrop-filter: blur(6px);
}

.page-about .timeline{
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline::before{
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 46px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-gold), rgba(245, 183, 0, 0.08));
}

.page-about .timeline__item{
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 20px;
  padding: 14px 0;
}

.page-about .timeline__item::before{
  content: "";
  position: absolute;
  top: 30px;
  left: 45px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--c-bg);
  border: 2px solid var(--c-gold);
  transform: translateX(-50%) rotate(45deg);
  z-index: 1;
}

.page-about .timeline__year{
  padding-top: 2px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 300;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-gold);
  white-space: nowrap;
}

.page-about .timeline__content{
  padding: 2px 0 6px;
}

.page-about .timeline__content h3{
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-cream);
}

.page-about .timeline__content p{
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.82);
}

.page-about .qualification-box{
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  margin: 8px 0 0;
  border: 1px solid rgba(245, 183, 0, 0.28);
  border-radius: 20px;
  overflow: hidden;
  background: var(--c-bg-deep);
}

.page-about .qualification-box img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.04);
}

.page-about .qualification-box__shade{
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 13, 26, 0.2) 0%, rgba(13, 27, 42, 0.78) 100%);
}

.page-about .qualification-box figcaption{
  position: relative;
  z-index: 2;
  padding: 28px 24px;
}

.page-about .qualification-box__badge{
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: #060d1a;
  background: var(--grad-gold);
}

.page-about .qualification-box ul{
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .qualification-box li{
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-cream);
}

.page-about .qualification-box li::before{
  content: "✓";
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-moss);
  border-radius: 50%;
  font-size: 0.76rem;
  color: var(--c-neon);
}

.page-about .coop-banner{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.page-about .coop-stat{
  margin: 0;
  padding: 18px 14px;
  border-radius: 14px;
  background: rgba(13, 27, 42, 0.8);
  border: 1px solid rgba(112, 149, 255, 0.22);
}

.page-about .coop-stat dt{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--c-gray);
}

.page-about .coop-stat dd{
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 500;
  line-height: 1;
  color: var(--c-gold);
}

.page-about .team-bars{
  display: grid;
  gap: 16px;
  margin: 6px 0 0;
  padding: 24px;
  border: 1px solid rgba(245, 183, 0, 0.24);
  border-radius: 18px;
  background: rgba(13, 27, 42, 0.82);
}

.page-about .team-bar{
  display: grid;
  gap: 6px;
}

.page-about .team-bar dt{
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--c-cream);
}

.page-about .team-bar dt strong{
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-neon);
}

.page-about .team-bar dd{
  height: 10px;
  margin: 0;
  border-radius: 999px;
  background: rgba(112, 149, 255, 0.16);
  overflow: hidden;
}

.page-about .team-bar dd span{
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--c-royal), var(--c-royal-bright) 60%, var(--c-gold) 135%);
}

.page-about .next-links{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(245, 183, 0, 0.3);
}

.page-about .btn{
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1;
  padding: 12px 22px;
}

.page-about .btn--gold{
  color: #060d1a;
  background: var(--grad-gold);
  box-shadow: var(--shadow-gold);
}

.page-about .btn--ghost{
  color: var(--c-cream);
  border: 1px solid rgba(245, 183, 0, 0.55);
  background: transparent;
}

.page-about .btn--royal{
  color: #fff;
  border: 1px solid var(--c-royal);
  background: var(--c-royal);
}

.page-about .back-top{
  color: var(--c-gray);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-about .back-top::before{
  content: "↑";
  color: var(--c-gold);
  font-family: var(--font-mono);
}

.page-about .back-top:hover{
  color: var(--c-cream);
}

@media (min-width: 720px){

  .page-about .about-hero{
    min-height: 600px;
    padding-inline: 40px;
  }

  .page-about .about-hero__season{
    right: 40px;
  }

  .page-about .about-layout{
    padding-inline: 40px;
  }

  .page-about .chapter-rail__list{
    display: grid;
    gap: 2px;
    overflow: visible;
  }

  .page-about .chapter-rail__list a{
    display: flex;
    border: none;
    border-radius: 10px;
    border-left: 2px solid transparent;
  }

  .page-about .fact-grid{
    gap: 20px;
  }

  .page-about .milestone-wrap{
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 34px;
  }

  .page-about .milestone-media{
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-about .timeline::before{
    left: 54px;
  }

  .page-about .timeline__item{
    grid-template-columns: 54px minmax(0, 1fr);
  }

  .page-about .timeline__item::before{
    left: 53px;
  }

  .page-about .coop-banner{
    gap: 20px;
  }

}

@media (min-width: 1024px){

  .page-about .about-hero{
    min-height: 640px;
    padding-inline: 48px;
  }

  .page-about .about-hero__inner{
    padding-bottom: 16px;
  }

  .page-about .about-layout{
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: var(--about-gap);
    padding: 56px 48px 88px;
  }

  .page-about .chapter-rail{
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    padding: 22px 18px;
  }

  .page-about .chapter-rail__list a{
    padding: 11px 12px;
  }

  .page-about .about-section{
    gap: 26px;
  }

  .page-about .section__index{
    font-size: clamp(2.6rem, 3.4vw, 3.4rem);
  }

  .page-about .qualification-box{
    min-height: 380px;
  }

  .page-about .coop-banner{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .coop-stat{
    padding: 22px 20px;
  }

  .page-about .team-bars{
    padding: 32px;
  }

}