.page-about{
  --about-grid: rgba(255,255,255,0.05);
  --about-grid-strong: rgba(255,255,255,0.09);
  --about-glow-accent: rgba(57,255,20,0.10);
  --about-glow-orange: rgba(255,107,0,0.12);
  --about-hero-title: clamp(2.1rem, 5vw, 4rem);
  --about-section-title: clamp(1.5rem, 2.6vw, 2.25rem);
  position: relative;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}
.page-about .about-hero{
  position: relative;
  padding: var(--space-6) 0 var(--space-8);
  background:
    radial-gradient(700px 300px at 85% 10%, var(--about-glow-accent), transparent 70%),
    var(--color-bg-deep);
  border-bottom: 1px solid var(--color-line);
}
.page-about .about-hero-bg{
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--about-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid) 1px, transparent 1px);
  background-size: 48px 48px;
}
.page-about .about-hero-bg::after{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  animation: page-about-scan 4s ease-in-out infinite;
}
.page-about .about-hero-inner{ position: relative; }
.page-about .about-hero .breadcrumbs{
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
}
.page-about .about-hero .breadcrumbs a{
  color: var(--color-muted);
  text-decoration: none;
  transition: color .2s ease;
}
.page-about .about-hero .breadcrumbs a:hover{ color: var(--color-accent); }
.page-about .about-hero-main{
  display: grid;
  gap: var(--space-6);
  align-items: center;
}
.page-about .about-hero-media{ position: relative; }
.page-about .about-hero-figure{
  margin: 0;
  position: relative;
}
.page-about .about-hero-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--color-line-strong);
  background: var(--color-card);
}
.page-about .about-hero-index{
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  padding: var(--space-1) var(--space-2);
  background: rgba(10,31,68,.9);
  border: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: .12em;
}
.page-about .about-hero-kicker{
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .16em;
  color: var(--color-muted);
  text-transform: uppercase;
}
.page-about .live-dot{
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(57,255,20,.15);
  animation: page-about-pulse 2s ease-in-out infinite;
}
.page-about .about-hero h1{
  margin: 0 0 var(--space-4);
  font-family: var(--font-display-cn);
  font-weight: 200;
  font-size: var(--about-hero-title);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--color-text);
}
.page-about .about-hero h1 span{ color: var(--color-accent-secondary); }
.page-about .about-hero-lead{
  max-width: 60ch;
  margin: 0 0 var(--space-6);
  color: var(--color-muted);
  font-size: var(--text-base);
}
.page-about .about-hero-stats{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.page-about .about-hero-stat{
  padding: var(--space-2);
  background: linear-gradient(90deg, rgba(57,255,20,.05), transparent);
  border-left: 2px solid var(--color-accent);
}
.page-about .about-hero-stat:last-child{ grid-column: 1 / -1; }
.page-about .about-hero-num{
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-2xl);
  line-height: 1.1;
  color: var(--color-accent);
}
.page-about .about-hero-label{
  display: block;
  margin-top: 4px;
  font-size: var(--text-xs);
  color: var(--color-muted);
}
.page-about .about-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.page-about .about-section{
  padding-block: var(--space-8);
}
.page-about .about-section-head{
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding-left: var(--space-4);
  border-left: 3px solid var(--color-accent-secondary);
}
.page-about .about-section-index{
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.page-about .about-section-index span{
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-accent);
}
.page-about .about-section-index p{
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .2em;
  color: var(--color-muted);
  text-transform: uppercase;
}
.page-about .about-section-head h2,
.page-about .about-intro-main > h2,
.page-about .about-guarantee-main > h2{
  margin: 0;
  font-family: var(--font-display-cn);
  font-weight: 200;
  font-size: var(--about-section-title);
  line-height: 1.25;
}
.page-about .about-section-sub{
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-base);
}
.page-about .about-section-sub a{
  color: var(--color-accent);
  text-decoration: none;
}
.page-about .about-intro-layout{
  display: grid;
  gap: var(--space-5);
}
.page-about .about-intro-main > .about-intro-lead{
  max-width: 45ch;
  margin: 0 0 var(--space-5);
  font-size: var(--text-xl);
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-text);
}
.page-about .about-intro-grid{
  display: grid;
  gap: var(--space-4);
  max-width: 75ch;
}
.page-about .about-intro-grid p{
  margin: 0;
  color: var(--color-muted);
}
.page-about .about-promise{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--color-warning);
  background: linear-gradient(90deg, rgba(255,212,0,.06), transparent);
}
.page-about .about-promise span{
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .2em;
  color: var(--color-warning);
}
.page-about .about-promise p{
  margin: 0;
  font-family: var(--font-display-cn);
  font-size: var(--text-2xl);
  font-weight: 300;
  letter-spacing: .12em;
}
.page-about .about-milestone{
  background: var(--color-bg-deep);
  border-block: 1px solid var(--color-line);
}
.page-about .about-milestone-grid{
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.page-about .about-milestone-card{
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
}
.page-about .about-milestone-featured{
  border-top-color: var(--color-accent-secondary);
  background: linear-gradient(160deg, var(--color-card-raised), var(--color-card));
}
.page-about .about-milestone-card summary{
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  list-style: none;
}
.page-about .about-milestone-card summary::-webkit-details-marker{ display: none; }
.page-about .about-version{
  padding: 2px 8px;
  border: 1px solid rgba(57,255,20,.4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
}
.page-about .about-milestone-featured .about-version{
  border-color: rgba(255,107,0,.4);
  color: var(--color-accent-secondary);
}
.page-about .about-milestone-title{
  font-size: var(--text-lg);
  font-weight: 400;
}
.page-about .about-milestone-toggle{
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-accent-secondary);
  transition: transform .25s ease;
}
.page-about .about-milestone-card[open] .about-milestone-toggle{ transform: rotate(45deg); }
.page-about .about-milestone-body{
  padding: var(--space-3) var(--space-5) var(--space-5);
  border-top: 1px dashed var(--color-line);
  color: var(--color-muted);
  font-size: var(--text-base);
}
.page-about .about-milestone-body p{ margin: 0 0 var(--space-3); }
.page-about .about-milestone-body a{
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
}
.page-about .about-team-layout{
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-6);
}
.page-about .about-team-lead{
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-6);
  border-left: 4px solid var(--color-accent);
  background: linear-gradient(135deg, var(--color-card), transparent);
}
.page-about .about-team-num{
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--color-muted);
}
.page-about .about-team-big{
  margin-right: 4px;
  font-size: clamp(3rem, 6vw, 4.5rem);
  line-height: 1;
  color: var(--color-accent);
}
.page-about .about-team-lead p{
  margin: var(--space-3) 0 0;
  color: var(--color-muted);
}
.page-about .about-team-pipeline{
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .about-team-pipeline li{
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-4);
  align-items: start;
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}
.page-about .about-stage-index{
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1.4;
  color: var(--color-accent-secondary);
}
.page-about .about-stage-content h3{
  margin: 0 0 4px;
  font-size: var(--text-lg);
  font-weight: 400;
}
.page-about .about-stage-content p{
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-base);
}
.page-about .about-team-note{
  margin-top: var(--space-5);
  color: var(--color-muted);
  font-size: var(--text-sm);
}
.page-about .about-team-note a{
  color: var(--color-accent);
  text-decoration: none;
}
.page-about .about-history{
  background: var(--color-bg-deep);
  border-block: 1px solid var(--color-line);
}
.page-about .about-timeline{
  position: relative;
  margin-top: var(--space-7);
}
.page-about .about-timeline::before{
  content: "";
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 40px;
  width: 1px;
  background: var(--color-line-strong);
}
.page-about .about-timeline-item{
  position: relative;
  padding-left: var(--space-7);
  padding-bottom: var(--space-5);
}
.page-about .about-timeline-item::before{
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(57,255,20,.12);
}
.page-about .about-timeline-item:last-child{ padding-bottom: 0; }
.page-about .about-timeline-item summary{
  display: grid;
  gap: var(--space-2);
  cursor: pointer;
  list-style: none;
}
.page-about .about-timeline-item summary::-webkit-details-marker{ display: none; }
.page-about .about-timeline-meta{
  justify-self: start;
  padding: 2px 10px;
  border: 1px solid rgba(255,212,0,.35);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .08em;
  color: var(--color-warning);
}
.page-about .about-timeline-title{
  font-family: var(--font-display-cn);
  font-size: var(--text-2xl);
  font-weight: 300;
  line-height: 1.3;
}
.page-about .about-timeline-toggle{
  position: absolute;
  right: 0;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-accent);
  transition: transform .25s ease;
}
.page-about .about-timeline-item[open] .about-timeline-toggle{ transform: rotate(45deg); }
.page-about .about-timeline-body{
  margin-top: var(--space-3);
  padding: var(--space-4);
  border-left: 2px solid var(--color-accent);
  background: var(--color-card);
  color: var(--color-muted);
  font-size: var(--text-base);
}
.page-about .about-timeline-body p{ margin: 0; }
.page-about .about-timeline-body img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-bottom: var(--space-3);
  border: 1px solid var(--color-line-strong);
  object-fit: cover;
  background: var(--color-card);
}
.page-about .about-guarantee-layout{
  display: grid;
  gap: var(--space-7);
  align-items: center;
}
.page-about .about-guarantee-items{
  display: grid;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}
.page-about .about-guarantee-item{
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-4);
  border-left: 3px solid var(--color-accent-secondary);
  background: linear-gradient(90deg, rgba(255,107,0,.05), transparent);
}
.page-about .about-guarantee-num{
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-lg);
  line-height: 1.4;
  color: var(--color-accent-secondary);
}
.page-about .about-guarantee-item h3{
  margin: 0 0 4px;
  font-size: var(--text-lg);
  font-weight: 500;
}
.page-about .about-guarantee-item p{
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-base);
}
.page-about .about-guarantee-item a{
  color: var(--color-accent);
  text-decoration: none;
}
.page-about .about-guarantee-status{
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: var(--space-4) 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
}
.page-about .about-guarantee-status span{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid var(--color-line);
  background: var(--color-card);
}
.page-about .about-status-dot{
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 6px rgba(0,196,140,.8);
}
.page-about .about-status-dot-orange{
  background: var(--color-accent-secondary);
  box-shadow: 0 0 6px rgba(255,107,0,.8);
}
.page-about .about-guarantee-note{
  margin: var(--space-5) 0 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}
.page-about .about-guarantee-note a{
  color: var(--color-accent);
  text-decoration: none;
}
.page-about .about-guarantee-media img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-line-strong);
  object-fit: cover;
}
@keyframes page-about-scan{
  0%{ transform: translateX(-10%); opacity: .3; }
  50%{ transform: translateX(70%); opacity: .9; }
  100%{ transform: translateX(150%); opacity: .3; }
}
@keyframes page-about-pulse{
  0%, 100%{ box-shadow: 0 0 0 0 rgba(57,255,20,.4); }
  50%{ box-shadow: 0 0 0 6px rgba(57,255,20,0); }
}
@media (min-width: 768px){
  .page-about .about-hero{
    padding-block: var(--space-7) var(--space-9);
  }
  .page-about .about-hero-main{
    grid-template-columns: 420px 1fr;
    gap: var(--space-8);
  }
  .page-about .about-hero-stats{
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-hero-stat:last-child{ grid-column: auto; }
  .page-about .about-section{
    padding-block: var(--space-9);
  }
  .page-about .about-intro-layout{
    grid-template-columns: 180px 1fr;
    gap: var(--space-7);
  }
  .page-about .about-intro-grid{
    grid-template-columns: 1fr 1fr;
  }
  .page-about .about-milestone-grid{
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-team-layout{
    grid-template-columns: 300px 1fr;
    gap: var(--space-8);
  }
  .page-about .about-timeline-item summary{
    grid-template-columns: 150px 1fr auto;
    align-items: baseline;
    gap: var(--space-4);
  }
  .page-about .about-guarantee-layout{
    grid-template-columns: 1fr 400px;
    gap: var(--space-8);
  }
}
@media (min-width: 1024px){
  .page-about .about-hero-main{
    grid-template-columns: 480px 1fr;
  }
}