.page-about{
  --about-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --about-line: rgba(0, 255, 102, 0.18);
  position: relative;
}

.page-about .about-hero{
  position: relative;
  padding: calc(var(--header-h) + 32px) 0 48px;
  overflow: hidden;
}
.page-about .about-hero::before{
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(0, 255, 102, 0.10), transparent 55%),
    radial-gradient(ellipse at 20% 80%, rgba(0, 204, 255, 0.10), transparent 55%);
  pointer-events: none;
}
.page-about .about-hero__inner{
  position: relative;
  display: grid;
  gap: 32px;
  align-items: center;
}
.page-about .about-hero__content{
  z-index: 1;
}
.page-about .about-hero .breadcrumb{
  margin-bottom: 24px;
}
.page-about .about-hero__eyebrow{
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--neon-green);
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.page-about .about-hero__eyebrow .chapter-num{
  font-size: 28px;
  font-weight: 900;
  -webkit-text-stroke: 1px var(--neon-green);
  color: transparent;
}
.page-about .about-hero h1{
  font-family: var(--font-heading);
  font-size: clamp(34px, 7vw, 72px);
  line-height: 0.95;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 20px;
}
.page-about .about-hero__lead{
  max-width: 640px;
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.75;
  margin: 0 0 28px;
}
.page-about .about-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .about-hero__media{
  position: relative;
}
.page-about .about-hero__frame{
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--panel-base);
  box-shadow: 0 24px 48px -16px rgba(0, 0, 0, 0.45);
  transform: rotate(1.5deg);
  transition: transform 0.6s var(--about-ease);
}
.page-about .about-hero__frame:hover{
  transform: rotate(0deg) scale(1.01);
}
.page-about .about-hero__frame img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .about-hero__bg-num{
  position: absolute;
  top: -24px;
  right: -6px;
  z-index: 0;
  font-family: var(--font-heading);
  font-size: clamp(80px, 16vw, 150px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(0, 255, 102, 0.28);
  pointer-events: none;
  user-select: none;
}

.page-about .about-layout{
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
  padding: 24px 0 80px;
}
.page-about .about-index{
  position: relative;
  z-index: 2;
}
.page-about .about-index__inner{
  padding: 12px 16px;
  background: var(--glass-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  overflow-x: auto;
}
.page-about .about-index__label{
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin: 0 0 10px;
}
.page-about .about-index__nav{
  display: flex;
  flex-direction: row;
  gap: 6px;
  white-space: nowrap;
}
.page-about .about-index__link{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  text-decoration: none;
  border: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.page-about .about-index__link:hover,
.page-about .about-index__link:focus{
  border-color: var(--electric-blue);
  background: rgba(0, 204, 255, 0.08);
  color: var(--electric-blue);
}
.page-about .about-index__num{
  color: var(--neon-green);
  font-family: var(--font-data);
  font-size: 13px;
}

.page-about .about-section{
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding: 48px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}
.page-about .about-section--origin{
  border-top: none;
  padding-top: 8px;
}
.page-about .about-section .section-head{
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin-bottom: 24px;
}
.page-about .about-section .section-index{
  font-family: var(--font-data);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  line-height: 1;
  color: var(--neon-green);
}
.page-about .about-section .section-title{
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1.1;
  color: var(--text-primary);
  text-transform: uppercase;
  margin: 0;
}
.page-about .about-section__body{
  max-width: 100%;
}
.page-about .about-section__lead{
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 28px;
}

.page-about .about-origin__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 28px;
}
.page-about .about-origin__item{
  padding: 24px;
  position: relative;
  border-radius: var(--radius-md);
  background: var(--panel-base);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform 0.4s var(--about-ease), border-color 0.4s, box-shadow 0.4s;
}
.page-about .about-origin__item:hover{
  transform: translateY(-4px);
  border-color: rgba(0, 255, 102, 0.35);
  box-shadow: 0 16px 32px -12px rgba(0, 255, 102, 0.15);
}
.page-about .about-origin__icon{
  display: block;
  font-family: var(--font-data);
  font-size: 30px;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px var(--electric-blue);
  margin-bottom: 14px;
}
.page-about .about-origin__item h3{
  font-size: 18px;
  color: var(--text-primary);
  margin: 0 0 10px;
}
.page-about .about-origin__item p{
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
.page-about .about-origin__note{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding: 16px 20px;
  background: var(--glass-bg);
  border-left: 3px solid var(--neon-green);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 15px;
  color: var(--text-primary);
}
.page-about .about-inline-link{
  color: var(--electric-blue);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.page-about .about-inline-link:hover{
  border-color: var(--electric-blue);
}

.page-about .about-timeline{
  position: relative;
  display: grid;
  gap: 24px;
  margin: 0 0 28px;
}
.page-about .about-timeline__item{
  position: relative;
  display: grid;
  grid-template-columns: 36px 1fr;
}
.page-about .about-timeline__rail{
  position: relative;
  display: flex;
  justify-content: center;
}
.page-about .about-timeline__rail::after{
  content: '';
  width: 2px;
  position: absolute;
  top: 0;
  bottom: -24px;
  background: linear-gradient(to bottom, var(--neon-green), rgba(0, 255, 102, 0.10));
}
.page-about .about-timeline__item:last-child .about-timeline__rail::after{
  display: none;
}
.page-about .about-timeline__marker{
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 0 4px rgba(0, 255, 102, 0.18);
  z-index: 1;
  transform: translateY(24px);
  transition: transform 0.3s var(--about-ease), box-shadow 0.3s;
}
.page-about .about-timeline__item:hover .about-timeline__marker{
  transform: translateY(24px) scale(1.35);
  box-shadow: 0 0 0 8px rgba(0, 255, 102, 0.12);
}
.page-about .about-timeline__card{
  padding: 20px 18px;
  border-radius: var(--radius-md);
  background: var(--panel-base);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}
.page-about .about-timeline__item:hover .about-timeline__card{
  border-color: rgba(0, 204, 255, 0.40);
  transform: translateX(4px);
}
.page-about .about-timeline__phase{
  margin-bottom: 10px;
}
.page-about .about-timeline__card h3{
  font-size: 18px;
  color: var(--text-primary);
  margin: 0 0 10px;
}
.page-about .about-timeline__card p{
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}
.page-about .about-milestone-media{
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.page-about .about-milestone-media img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-stats__grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.page-about .about-stat{
  padding: 20px 16px;
  border-radius: var(--radius-md);
  background: var(--panel-base);
  border: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  flex-direction: column;
  min-height: 150px;
  transition: transform 0.3s, border-color 0.3s;
}
.page-about .about-stat:hover{
  transform: translateY(-3px);
  border-color: rgba(0, 255, 102, 0.30);
}
.page-about .about-stat__num{
  font-family: var(--font-data);
  font-size: clamp(28px, 6vw, 48px);
  font-weight: 900;
  line-height: 1.1;
  color: var(--neon-green);
  margin-bottom: 8px;
  display: block;
}
.page-about .about-stat__label{
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.page-about .about-stat p{
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.page-about .about-team__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 28px;
}
.page-about .about-team__role{
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--panel-base);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform 0.3s, border-color 0.3s;
}
.page-about .about-team__role:hover{
  transform: translateY(-3px);
  border-color: rgba(0, 255, 102, 0.35);
}
.page-about .about-team__role-num{
  display: inline-block;
  font-family: var(--font-data);
  font-size: 24px;
  font-weight: 900;
  color: var(--gold-accent);
  opacity: 0.85;
  margin-bottom: 14px;
}
.page-about .about-team__role h3{
  font-size: 18px;
  color: var(--text-primary);
  margin: 0 0 10px;
}
.page-about .about-team__role p{
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
.page-about .about-team__media{
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
  margin-bottom: 28px;
}
.page-about .about-team__media img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .about-team__cta{
  padding: 24px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(0, 255, 102, 0.10), rgba(0, 204, 255, 0.08)),
    var(--panel-base);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.page-about .about-team__cta p{
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  margin: 0;
  max-width: 620px;
}

@media (min-width: 768px){
  .page-about .about-hero{
    padding: calc(var(--header-h) + 44px) 0 60px;
  }
  .page-about .about-hero__inner{
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 40px;
  }
  .page-about .about-layout{
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    padding: 40px 0 100px;
  }
  .page-about .about-index{
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
  }
  .page-about .about-index__inner{
    padding: 18px;
    overflow: visible;
  }
  .page-about .about-index__nav{
    flex-direction: column;
    gap: 4px;
    white-space: normal;
  }
  .page-about .about-index__link{
    justify-content: flex-start;
    padding: 9px 12px;
    border-radius: 8px;
  }
  .page-about .about-section{
    padding: 72px 0;
  }
  .page-about .about-section__lead{
    font-size: 17px;
  }
  .page-about .about-origin__grid{
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-stats__grid{
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-team__grid{
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-timeline__item{
    grid-template-columns: 48px 1fr;
  }
  .page-about .about-timeline__card{
    padding: 22px 24px;
  }
}

@media (min-width: 1200px){
  .page-about .about-hero{
    padding: calc(var(--header-h) + 64px) 0 80px;
  }
  .page-about .about-hero__inner{
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 72px;
  }
  .page-about .about-hero__bg-num{
    font-size: 170px;
    top: -36px;
    right: -10px;
  }
  .page-about .about-layout{
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 80px;
  }
  .page-about .about-timeline__card{
    padding: 26px 28px;
  }
  .page-about .about-milestone-media{
    max-width: 720px;
  }
}