.page-about{
  --about-neon-glow:0 0 30px rgba(139,92,246,.35);
  --about-blue-glow:0 0 26px rgba(0,229,255,.28);
  --about-panel-inset:#1B2234;
  --about-timeline-line:#2A2E3A;
}

.page-about{
  background:
    radial-gradient(circle at 85% 10%, rgba(139,92,246,.14), transparent 380px),
    radial-gradient(circle at 10% 45%, rgba(0,229,255,.08), transparent 300px),
    var(--bg-deep);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.75;
  overflow-x:hidden;
}

.page-about .breadcrumbs{
  font-family:var(--font-mono);
  font-size:.82rem;
  color:var(--muted);
  padding:24px 5vw 0;
  max-width:1480px;
  margin:0 auto;
}
.page-about .breadcrumbs a{
  color:var(--muted);
  text-decoration:none;
  transition:color .25s ease;
}
.page-about .breadcrumbs a:hover{
  color:var(--blue);
}
.page-about .breadcrumbs-sep{
  margin:0 10px;
  opacity:.45;
}
.page-about .breadcrumbs-current{
  color:var(--text);
}

.page-about .section{
  position:relative;
}

.page-about .chapter{
  display:grid;
  grid-template-columns:46px 1fr;
  gap:14px;
  max-width:1480px;
  margin:0 auto;
  padding:0 5vw;
}

.page-about .chapter-index{
  font-family:var(--font-mono);
  font-size:3rem;
  font-weight:900;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px var(--neon);
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  opacity:.74;
  transition:color .3s ease, -webkit-text-stroke .3s ease;
}

.page-about .chapter:hover .chapter-index{
  color:var(--neon);
  -webkit-text-stroke:0px transparent;
  text-shadow:var(--about-neon-glow);
}

.page-about .chapter-body{
  min-width:0;
}

.page-about .section-kicker{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--neon);
  margin:0 0 14px;
}

.page-about .section-title{
  font-family:var(--font-head);
  font-size:clamp(1.75rem,4vw,3rem);
  font-weight:900;
  line-height:1.2;
  letter-spacing:-.02em;
  margin:0 0 18px;
}

.page-about .section-lede{
  font-size:1.06rem;
  color:var(--muted);
  max-width:760px;
  margin:0 0 26px;
}

.page-about .gradient-title{
  background:linear-gradient(100deg,var(--neon) 0%, var(--blue) 62%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.page-about .panel{
  background:var(--bg-panel);
  border:2px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.page-about .panel-headed{
  padding:26px 24px;
}

.page-about .panel-title{
  font-family:var(--font-head);
  font-size:1.18rem;
  font-weight:700;
  color:var(--text);
  position:relative;
  padding-left:22px;
  margin-bottom:12px;
}
.page-about .panel-title::before{
  content:"";
  position:absolute;
  left:0;
  top:7px;
  width:8px;
  height:8px;
  background:var(--neon);
  box-shadow:var(--about-neon-glow);
}

.page-about .panel-text{
  color:var(--muted);
  font-size:.98rem;
  margin:0;
}

.page-about .grid{
  display:grid;
  gap:22px;
}

/* hero */
.page-about .about-hero{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  max-width:1480px;
  margin:0 auto;
  padding:30px 5vw 70px;
}

.page-about .about-hero-copy{
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.page-about .about-hero .section-title{
  font-size:clamp(2.2rem,5.4vw,4rem);
  line-height:1.18;
  margin-bottom:22px;
}

.page-about .hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:8px;
}

.page-about .btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:.92rem;
  text-decoration:none;
  padding:13px 24px;
  border-radius:10px;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.page-about .btn:hover{
  transform:translate(-3px,-3px);
}
.page-about .btn-live{
  background:var(--neon);
  color:#fff;
  box-shadow:var(--neon-glow);
}
.page-about .btn-live:hover{
  background:#9C6DF7;
  box-shadow:0 0 30px rgba(139,92,246,.6);
}
.page-about .btn-ghost{
  border:2px solid var(--border);
  color:var(--text);
  background:transparent;
}
.page-about .btn-ghost:hover{
  border-color:var(--blue);
  color:var(--blue);
  box-shadow:var(--about-blue-glow);
}

.page-about .live-dot{
  width:8px;
  height:8px;
  background:#fff;
  border-radius:50%;
  position:relative;
}
.page-about .live-dot::after{
  content:"";
  position:absolute;
  inset:-5px;
  border:2px solid rgba(255,255,255,.5);
  border-radius:50%;
  animation:about-pulse 1.8s ease-out infinite;
}
@keyframes about-pulse{
  0%{transform:scale(.5);opacity:1}
  100%{transform:scale(1.4);opacity:0}
}

.page-about .hero-media .media-frame{
  margin-left:auto;
  margin-right:auto;
  width:100%;
}

/* media frame */
.page-about .media-frame{
  position:relative;
  border:3px solid var(--border);
  border-radius:var(--radius);
  background:var(--bg-panel);
  box-shadow:10px 10px 0 rgba(0,0,0,.28);
  overflow:hidden;
}
.page-about .media-frame::before{
  content:attr(data-label);
  position:absolute;
  top:14px;
  left:14px;
  z-index:2;
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.18em;
  color:var(--text);
  background:rgba(10,12,16,.75);
  border:1px solid var(--border);
  padding:4px 12px;
  backdrop-filter:blur(4px);
  pointer-events:none;
}
.page-about .media-frame::after{
  content:"";
  position:absolute;
  bottom:0;
  left:0;
  width:100%;
  height:3px;
  background:linear-gradient(90deg, var(--neon), var(--blue));
  z-index:2;
}
.page-about .media-frame[data-accent="blue"]::after{
  background:linear-gradient(90deg, var(--blue), var(--neon));
}
.page-about .media-frame img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
  aspect-ratio:2 / 1;
}
.page-about .hero-media .media-frame img{
  aspect-ratio:2 / 1;
}
.page-about .team-media .media-frame img{
  aspect-ratio:3 / 2;
}

/* story */
.page-about .about-story{
  background:
    linear-gradient(180deg, var(--bg-deep) 0%, #0D1018 50%, var(--bg-deep) 100%);
  border-top:2px solid var(--border);
  border-bottom:2px solid var(--border);
  padding:70px 0;
}
.page-about .about-story .grid{
  margin-top:20px;
}

/* milestones */
.page-about .about-milestones{
  padding:70px 0;
}

.page-about .milestone-media{
  margin:30px 0 8px;
  border:2px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
}
.page-about .milestone-media img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
  aspect-ratio:8 / 3;
}

.page-about .timeline{
  margin-top:34px;
  position:relative;
  padding-left:0;
}

.page-about .timeline-item{
  position:relative;
  padding:0 0 0 44px;
  margin-bottom:0;
}
.page-about .timeline-item:not(:last-child)::before{
  content:"";
  position:absolute;
  left:15px;
  top:24px;
  bottom:-2px;
  width:2px;
  background:repeating-linear-gradient(180deg,var(--about-timeline-line) 0 6px, transparent 6px 12px);
}

.page-about .timeline-node{
  position:absolute;
  left:6px;
  top:26px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--neon);
  border:3px solid var(--bg-deep);
  box-shadow:var(--about-neon-glow);
  z-index:2;
}

.page-about .timeline-card{
  padding:18px 20px;
  transition:border-color .3s ease, box-shadow .3s ease;
}
.page-about .timeline-card:hover{
  border-color:var(--neon);
  box-shadow:var(--shadow), var(--about-neon-glow);
}

.page-about .timeline-year{
  font-family:var(--font-mono);
  font-weight:500;
  font-size:.8rem;
  letter-spacing:.12em;
  display:inline-block;
  padding:2px 14px;
  border-radius:999px;
  background:rgba(139,92,246,.16);
  border:1px solid rgba(139,92,246,.5);
  color:var(--neon);
  margin-bottom:10px;
}

.page-about .timeline-card h3{
  font-family:var(--font-head);
  font-weight:700;
  font-size:1.08rem;
  margin:0 0 8px;
  color:var(--text);
}

.page-about .timeline-card p{
  font-size:.92rem;
  color:var(--muted);
  margin:0;
}

/* scale */
.page-about .about-scale{
  background:
    linear-gradient(145deg, rgba(59,45,94,.32) 0%, transparent 50%),
    var(--bg-deep);
  border-top:2px solid var(--border);
  border-bottom:2px solid var(--border);
  padding:70px 0;
}

.page-about .scale-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
  margin:24px 0 28px;
}

.page-about .stat-block{
  background:var(--bg-panel);
  border:2px solid var(--border);
  border-radius:var(--radius);
  padding:24px 18px;
  text-align:left;
  position:relative;
  box-shadow:6px 6px 0 rgba(0,0,0,.3);
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.page-about .stat-block:hover{
  transform:translate(-3px,-3px);
  box-shadow:8px 8px 0 rgba(0,0,0,.3);
}
.page-about .stat-block[data-accent="neon"]:hover{
  border-color:var(--neon);
}
.page-about .stat-block[data-accent="blue"]:hover{
  border-color:var(--blue);
}
.page-about .stat-block[data-accent="orange"]:hover{
  border-color:var(--orange);
}

.page-about .stat-block::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:3px;
  height:100%;
  background:var(--neon);
  border-radius:0 2px 2px 0;
}
.page-about .stat-block[data-accent="blue"]::before{
  background:var(--blue);
}
.page-about .stat-block[data-accent="orange"]::before{
  background:var(--orange);
}

.page-about .stat-num{
  font-family:var(--font-head);
  font-weight:900;
  font-size:clamp(2.2rem,4vw,3.2rem);
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--text);
  display:flex;
  align-items:baseline;
  gap:4px;
}
.page-about .stat-unit{
  font-size:.5em;
  font-weight:700;
  color:var(--muted);
}
.page-about .stat-label{
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.16em;
  color:var(--muted);
  margin-top:6px;
}

.page-about .about-qualification{
  margin-top:22px;
}

.page-about .notice-bar{
  display:flex;
  align-items:flex-start;
  gap:14px;
  border:2px dashed var(--border);
  border-radius:var(--radius);
  background:rgba(18,22,36,.7);
}
.page-about .notice-bar .notice-text{
  color:var(--muted);
  font-size:.92rem;
  line-height:1.7;
}

.page-about .tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.09em;
  padding:4px 14px;
  border-radius:999px;
  white-space:nowrap;
  border:1px solid transparent;
}
.page-about .tag-green{
  background:rgba(34,197,94,.14);
  border-color:rgba(34,197,94,.55);
  color:var(--green);
}

/* system */
.page-about .about-system{
  padding:70px 0;
}

.page-about .system-board{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  margin-top:26px;
}

.page-about .system-col{
  background:var(--bg-panel);
  border:2px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}

.page-about .system-col-head{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 22px;
  border-bottom:2px solid var(--border);
  background:linear-gradient(90deg, rgba(18,22,36,1) 0%, rgba(59,45,94,.35) 100%);
}
.page-about .system-col-head[data-accent="blue"]{
  border-left:5px solid var(--blue);
}
.page-about .system-col-head[data-accent="orange"]{
  border-left:5px solid var(--orange);
}
.page-about .system-col-head[data-accent="neon"]{
  border-left:5px solid var(--neon);
}
.page-about .system-col-head h3{
  font-family:var(--font-head);
  font-weight:900;
  font-size:1.35rem;
  margin:0;
  color:var(--text);
}
.page-about .chop-label{
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.18em;
  color:var(--muted);
  background:rgba(10,12,16,.6);
  border:1px solid var(--border);
  padding:3px 12px;
}

.page-about .system-list{
  list-style:none;
  margin:0;
  padding:18px 22px 6px;
}
.page-about .system-list li{
  position:relative;
  color:var(--text);
  font-size:.96rem;
  padding:8px 0 8px 28px;
  border-bottom:1px solid rgba(42,46,58,.6);
}
.page-about .system-list li:last-child{
  border-bottom:0;
}
.page-about .system-list li::before{
  content:"";
  position:absolute;
  left:4px;
  top:17px;
  width:7px;
  height:7px;
  background:var(--blue);
  transform:rotate(45deg);
  box-shadow:0 0 10px rgba(0,229,255,.4);
}
.page-about .system-col:nth-child(2) .system-list li::before{
  background:var(--orange);
  box-shadow:0 0 10px rgba(255,107,53,.4);
}
.page-about .system-col:nth-child(3) .system-list li::before{
  background:var(--neon);
  box-shadow:0 0 10px rgba(139,92,246,.5);
}

.page-about .system-note{
  margin:0;
  padding:0 22px 20px;
  font-size:.85rem;
  color:var(--muted);
}

.page-about .system-detail{
  margin-top:28px;
  padding:22px;
  background:
    linear-gradient(135deg, rgba(139,92,246,.12) 0%, rgba(0,229,255,.06) 100%);
  border:2px solid var(--border);
  border-radius:var(--radius);
}
.page-about .system-detail h3{
  font-family:var(--font-head);
  font-weight:900;
  font-size:1.3rem;
  margin:0 0 8px;
}
.page-about .system-detail p{
  color:var(--muted);
  font-size:.95rem;
  margin:0;
}

/* team */
.page-about .about-team{
  border-top:2px solid var(--border);
  border-bottom:2px solid var(--border);
  background:
    radial-gradient(circle at 20% 60%, rgba(0,229,255,.06), transparent 260px),
    var(--bg-deep);
  padding:70px 0;
}

.page-about .team-layout{
  margin-top:18px;
  align-items:center;
}

.page-about .team-stats{
  display:flex;
  gap:16px;
  margin:22px 0;
  flex-wrap:wrap;
}

.page-about .mini-stat{
  flex:1 1 92px;
  background:var(--bg-panel);
  border:2px solid var(--border);
  border-radius:12px;
  padding:14px 10px;
  text-align:center;
}
.page-about .mini-num{
  display:block;
  font-family:var(--font-head);
  font-weight:900;
  font-size:1.7rem;
  color:var(--text);
}
.page-about .mini-label{
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.12em;
  color:var(--muted);
}

.page-about .team-contact{
  background:var(--bg-panel);
  border:2px dashed var(--border);
  border-radius:var(--radius);
  padding:18px;
}
.page-about .team-contact p{
  margin:0 0 12px;
  color:var(--muted);
  font-size:.92rem;
}
.page-about .team-contact .btn-ghost{
  padding:9px 16px;
  font-size:.84rem;
  border-color:rgba(0,229,255,.4);
  color:var(--blue);
}

.page-about .team-media .media-frame{
  box-shadow:8px 8px 0 rgba(0,0,0,.3), var(--about-neon-glow);
}

/* feedback */
.page-about .about-feedback{
  padding:70px 0;
}

.page-about .research-board{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  margin-top:26px;
}

.page-about .research-panel{
  position:relative;
  background:var(--bg-panel);
  border:2px solid var(--border);
  border-radius:var(--radius);
  padding:20px 20px 20px 22px;
  overflow:hidden;
  transition:border-color .3s ease, box-shadow .3s ease;
}
.page-about .research-panel:hover{
  border-color:var(--neon);
  box-shadow:var(--shadow);
}

.page-about .research-panel::after{
  content:"";
  position:absolute;
  right:-18px;
  bottom:-18px;
  width:70px;
  height:70px;
  border:2px solid rgba(139,92,246,.22);
  border-radius:12px;
  transform:rotate(14deg);
}

.page-about .research-index{
  position:absolute;
  top:14px;
  right:16px;
  font-family:var(--font-mono);
  font-weight:900;
  font-size:1.9rem;
  line-height:1;
  color:rgba(139,92,246,.22);
  -webkit-text-stroke:1px rgba(139,92,246,.5);
}

.page-about .research-title{
  position:relative;
  font-family:var(--font-head);
  font-weight:900;
  font-size:1.1rem;
  color:var(--text);
  padding-left:18px;
  margin-bottom:12px;
}
.page-about .research-title::before{
  content:"";
  position:absolute;
  left:0;
  top:5px;
  width:7px;
  height:7px;
  background:var(--blue);
  transform:rotate(45deg);
  box-shadow:0 0 10px rgba(0,229,255,.5);
}

.page-about .research-type{
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.14em;
  padding:2px 12px;
  border-radius:999px;
  display:inline-block;
  margin-bottom:10px;
}
.page-about .research-type-blue{
  background:rgba(0,229,255,.1);
  border:1px solid rgba(0,229,255,.4);
  color:var(--blue);
}
.page-about .research-type-neon{
  background:rgba(139,92,246,.12);
  border:1px solid rgba(139,92,246,.45);
  color:var(--neon);
}
.page-about .research-type-orange{
  background:rgba(255,107,53,.1);
  border:1px solid rgba(255,107,53,.4);
  color:var(--orange);
}

.page-about .research-abstract{
  position:relative;
  font-size:.92rem;
  color:var(--muted);
  margin:0;
}

.page-about .feedback-links{
  margin-top:30px;
  padding:22px;
}
.page-about .feedback-link-title{
  font-family:var(--font-head);
  font-weight:700;
  color:var(--text);
  margin:0 0 14px;
}
.page-about .link-group{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
}
.page-about .read-more{
  font-family:var(--font-head);
  font-weight:700;
  font-size:.92rem;
  color:var(--blue);
  text-decoration:none;
  position:relative;
  padding-right:22px;
  transition:color .25s ease;
}
.page-about .read-more::after{
  content:"→";
  position:absolute;
  right:0;
  top:50%;
  transform:translateY(-50%);
  color:var(--neon);
  transition:transform .25s ease;
}
.page-about .read-more:hover{
  color:var(--neon);
}
.page-about .read-more:hover::after{
  transform:translate(4px,-50%);
  color:var(--blue);
}

/* reveal protocol */
.page-about [data-reveal]{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
}
.page-about [data-reveal].is-revealed,
.page-about .js [data-reveal].is-revealed{
  opacity:1;
  transform:translateY(0);
}
.page-about .no-js [data-reveal],
.page-about [data-reveal].is-revealed{
  opacity:1;
  transform:none;
}

/* non-js fallback */
.page-about:not(.js) [data-reveal]{
  opacity:1;
  transform:none;
}

/* tablet */
@media (min-width: 640px){
  .page-about .scale-grid{
    grid-template-columns:repeat(3,1fr);
  }
  .page-about .research-board{
    grid-template-columns:repeat(2,1fr);
  }
  .page-about .system-board{
    grid-template-columns:repeat(2,1fr);
  }
  .page-about .system-col:last-child{
    grid-column:1 / -1;
  }
}

/* desktop */
@media (min-width: 900px){
  .page-about .about-hero{
    grid-template-columns:1.05fr .95fr;
    align-items:center;
    gap:44px;
    padding-top:40px;
  }

  .page-about .grid-2{
    grid-template-columns:1fr 1fr;
  }

  .page-about .chapter{
    grid-template-columns:64px 1fr;
    gap:6px;
    padding-left:6vw;
    padding-right:5vw;
  }

  .page-about .chapter-index{
    font-size:4rem;
  }

  .page-about .system-board{
    grid-template-columns:repeat(3,1fr);
  }
  .page-about .system-col:last-child{
    grid-column:auto;
  }

  .page-about .team-layout{
    grid-template-columns:1.1fr .9fr;
  }

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

  .page-about .timeline-item{
    padding-left:60px;
  }
  .page-about .timeline-item:not(:last-child)::before{
    left:19px;
  }
  .page-about .timeline-node{
    left:6px;
  }

  .page-about .about-milestones,
  .page-about .about-system,
  .page-about .about-feedback{
    background:linear-gradient(180deg, transparent 0%, rgba(18,22,36,.4) 50%, transparent 100%);
  }
}

/* wide desktop */
@media (min-width: 1240px){
  .page-about .research-board{
    grid-template-columns:repeat(4,1fr);
  }
  .page-about .scale-grid{
    grid-template-columns:repeat(3,1fr);
  }
  .page-about .about-hero .hero-media{
    padding-right:24px;
  }
}