.page-about{
  --about-panel-cut: 16px;
  background: var(--c-space);
  color: var(--c-cream);
  overflow: hidden;
}

.page-about .breadcrumb{
  padding: 24px 0 0;
}
.page-about .breadcrumb a{
  color: var(--c-silver);
  text-decoration: none;
}
.page-about .breadcrumb a:hover{
  color: var(--c-orange);
}
.page-about .breadcrumb__sep{
  color: var(--c-silver);
  margin: 0 8px;
}

/* ===== Hero ===== */
.page-about__hero{
  position: relative;
}
.page-about__hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(2px 2px at 18% 24%, rgba(245,240,230,.7), transparent),
    radial-gradient(2px 2px at 74% 16%, rgba(245,240,230,.5), transparent),
    radial-gradient(1px 1px at 46% 62%, rgba(192,200,216,.8), transparent),
    radial-gradient(1px 1px at 88% 48%, rgba(255,107,53,.5), transparent),
    radial-gradient(900px 460px at 82% 18%, rgba(90,79,207,.28), transparent);
}
.page-about__hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  gap:32px;
  align-items:center;
}
.page-about__hero-sub{
  display:block;
  margin-top:10px;
  font-family:var(--font-display);
  font-size:1.3rem;
  letter-spacing:.05em;
  color:var(--c-orange);
}
.page-about__hero-desc{
  max-width:560px;
  margin:18px 0 0;
  font-size:1.02rem;
  line-height:1.75;
  color:var(--c-silver);
}
.page-about__hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:26px;
}
.page-about__hero-meta{
  margin:18px 0 0;
  font-size:.82rem;
  color:var(--c-silver);
}
.page-about__scroll-link{
  display:inline-block;
  margin-top:22px;
  color:var(--c-orange);
  font-family:var(--font-mono);
  font-size:.9rem;
  text-decoration:none;
}
.page-about__scroll-link:hover{
  text-decoration:underline;
}
.page-about__hero-figure{
  margin:0;
}
.page-about__hero-figure img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  background:var(--c-space-deep);
  clip-path: polygon(0 0, calc(100% - var(--about-panel-cut)) 0, 100% var(--about-panel-cut), 100% 100%, 0 100%);
}

/* ===== Stats ===== */
.page-about__stats{
  padding:28px 0 12px;
}
.page-about__stats-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px 28px;
}
.page-about__stat{
  border-top:2px solid var(--c-orange);
  padding-top:14px;
}
.page-about__stat-num{
  display:block;
  font-family:var(--font-display);
  font-size:2rem;
  line-height:1.2;
  color:var(--c-orange);
}
.page-about__stat-label{
  display:block;
  margin-top:6px;
  font-size:.88rem;
  line-height:1.5;
  color:var(--c-silver);
}

/* ===== Section Head ===== */
.page-about__section-head{
  margin-bottom:32px;
}
.page-about__section-desc{
  margin:10px 0 0;
  max-width:680px;
  line-height:1.7;
  color:var(--c-silver);
}
.page-about__section-head--light .page-about__section-desc{
  color:#5a5a6e;
}
.page-about__section-head--light .section-label{
  color:var(--c-orange);
}
.page-about__section-head--light .section-title{
  color:var(--c-ink);
}

/* ===== Timeline ===== */
.page-about__milestones{
  position:relative;
}
.page-about__timeline{
  position:relative;
  display:grid;
  gap:20px;
  padding-left:34px;
}
.page-about__timeline::before{
  content:"";
  position:absolute;
  left:12px;
  top:0;
  bottom:0;
  width:2px;
  background:repeating-linear-gradient(to bottom, var(--c-orange) 0 6px, transparent 6px 14px);
}
.page-about__timeline-svg{
  display:none;
}
.page-about__milestone{
  position:relative;
  z-index:1;
  display:grid;
  gap:12px;
}
.page-about__milestone-year{
  font-family:var(--font-display);
  font-size:1.7rem;
  color:var(--c-orange);
}
.page-about__milestone-card{
  background:var(--c-cream);
  color:var(--c-ink);
  padding:20px 22px;
  clip-path: polygon(0 0, calc(100% - var(--about-panel-cut)) 0, 100% var(--about-panel-cut), 100% 100%, 0 100%);
}
.page-about__milestone-card h3{
  margin:0 0 8px;
  font-family:var(--font-display);
  font-size:1.12rem;
  letter-spacing:.02em;
}
.page-about__milestone-card p{
  margin:0 0 8px;
  font-size:.94rem;
  line-height:1.65;
}
.page-about__milestone-card p:last-child{
  margin-bottom:0;
}
.page-about__milestone-link{
  display:inline-block;
  margin-top:10px;
  color:var(--c-orange);
  font-family:var(--font-mono);
  font-size:.86rem;
  text-decoration:none;
}
.page-about__milestone-link:hover{
  text-decoration:underline;
}
.page-about__timeline-figure{
  margin:28px 0 0;
}
.page-about__timeline-figure img{
  width:100%;
  max-width:100%;
  height:auto;
  clip-path: polygon(var(--about-panel-cut) 0, 100% 0, 100% calc(100% - var(--about-panel-cut)), calc(100% - var(--about-panel-cut)) 100%, 0 100%, 0 var(--about-panel-cut));
}

/* ===== Tech ===== */
.page-about__tech{
  background:var(--c-cream);
  color:var(--c-ink);
}
.page-about__tech-grid{
  display:grid;
  gap:32px;
}
.page-about__tree{
  display:grid;
  gap:20px;
}
.page-about__tree-root{
  background:var(--c-space);
  color:var(--c-cream);
  padding:26px 28px;
  clip-path: polygon(0 0, calc(100% - var(--about-panel-cut)) 0, 100% var(--about-panel-cut), 100% 100%, 0 100%);
}
.page-about__tree-root-tag{
  display:block;
  margin-bottom:10px;
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.14em;
  color:var(--c-orange);
}
.page-about__tree-root strong{
  display:block;
  margin-bottom:10px;
  font-family:var(--font-display);
  font-size:1.35rem;
}
.page-about__tree-root p{
  margin:0;
  font-size:.92rem;
  line-height:1.65;
  color:var(--c-silver);
}
.page-about__tree-nodes{
  position:relative;
  display:grid;
  gap:16px;
  margin:0;
  padding:0 0 0 22px;
  list-style:none;
}
.page-about__tree-nodes::before{
  content:"";
  position:absolute;
  left:7px;
  top:0;
  bottom:0;
  width:2px;
  background:repeating-linear-gradient(to bottom, var(--c-orange) 0 5px, transparent 5px 10px);
}
.page-about__tree-node{
  position:relative;
  margin:0;
  padding:16px 18px;
  background:#ffffff;
  border:1px solid rgba(26,26,46,.08);
  border-left:4px solid var(--c-orange);
}
.page-about__tree-node-role{
  display:block;
  margin-bottom:6px;
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.1em;
  color:var(--c-orange);
}
.page-about__tree-node h3{
  margin:0 0 6px;
  font-family:var(--font-display);
  font-size:1.02rem;
  color:var(--c-ink);
}
.page-about__tree-node p{
  margin:0 0 10px;
  font-size:.92rem;
  line-height:1.6;
  color:#5a5a6e;
}
.page-about__tree-node a{
  color:var(--c-orange);
  font-family:var(--font-mono);
  font-size:.84rem;
  text-decoration:none;
}
.page-about__tech-figure{
  margin:0;
}
.page-about__tech-figure img{
  width:100%;
  max-width:100%;
  height:auto;
  clip-path: polygon(var(--about-panel-cut) 0, 100% 0, 100% calc(100% - var(--about-panel-cut)), calc(100% - var(--about-panel-cut)) 100%, 0 100%, 0 var(--about-panel-cut));
}
.page-about__security{
  display:grid;
  gap:12px;
  margin-top:34px;
}
.page-about__security-item{
  padding:16px 18px;
  background:rgba(11,27,61,.04);
  border-top:2px solid var(--c-orange);
}
.page-about__security-item span{
  display:block;
  margin-bottom:6px;
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.1em;
  color:var(--c-orange);
}
.page-about__security-item strong{
  font-family:var(--font-display);
  font-size:1rem;
  color:var(--c-ink);
}

/* ===== Ecosystem ===== */
.page-about__eco{
  background:var(--c-space);
  color:var(--c-cream);
}
.page-about__eco-grid{
  display:grid;
  gap:16px;
}
.page-about__eco-card{
  padding:20px;
  border:1px solid rgba(192,200,216,.5);
  border-top:3px solid var(--c-orange);
  clip-path: polygon(0 0, calc(100% - var(--about-panel-cut)) 0, 100% var(--about-panel-cut), 100% 100%, 0 100%);
}
.page-about__eco-tag{
  display:inline-block;
  padding:4px 12px;
  background:var(--c-orange);
  color:var(--c-space);
  font-family:var(--font-mono);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.1em;
}
.page-about__eco-card p{
  margin:14px 0 0;
  font-size:.92rem;
  line-height:1.6;
  color:var(--c-silver);
}

/* ===== Local ===== */
.page-about__local{
  background:var(--c-cream);
  color:var(--c-ink);
}
.page-about__local-grid{
  display:grid;
  gap:16px;
}
.page-about__local-card{
  padding:20px;
  background:#ffffff;
  border-left:4px solid var(--c-orange);
}
.page-about__local-card h3{
  margin:0 0 8px;
  font-family:var(--font-display);
  font-size:1rem;
  color:var(--c-ink);
}
.page-about__local-value{
  margin:0 0 8px;
  font-family:var(--font-mono);
  font-size:.94rem;
  color:var(--c-space);
  word-break:break-word;
}
.page-about__local-card p:last-child{
  margin:0;
  font-size:.9rem;
  line-height:1.55;
  color:#6a6a7d;
}
.page-about__local-cta{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  align-items:center;
  margin-top:26px;
}
.page-about__local-note{
  margin:0;
  font-size:.88rem;
  color:#6a6a7d;
}

/* ===== Explore ===== */
.page-about__explore{
  background:var(--c-space-deep);
  color:var(--c-cream);
}
.page-about__explore-grid{
  display:grid;
  gap:16px;
  margin-top:28px;
}
.page-about__explore-card{
  display:block;
  padding:20px;
  background:var(--c-space);
  border:1px solid rgba(192,200,216,.5);
  clip-path: polygon(0 0, calc(100% - var(--about-panel-cut)) 0, 100% var(--about-panel-cut), 100% 100%, 0 100%);
  color:var(--c-cream);
  text-decoration:none;
  transition: transform .2s ease, border-color .2s ease;
}
.page-about__explore-card span{
  display:block;
  margin-bottom:6px;
  font-family:var(--font-display);
  font-size:1.08rem;
  color:var(--c-orange);
}
.page-about__explore-card p{
  margin:0;
  font-size:.9rem;
  line-height:1.5;
  color:var(--c-silver);
}
.page-about__explore-card:hover{
  transform:translateY(-2px);
  border-color:var(--c-orange);
}

/* ===== Desktop ===== */
@media(min-width:768px){
  .page-about__hero-grid{
    grid-template-columns:1.05fr .95fr;
  }
  .page-about__stats{
    padding-top:40px;
  }
  .page-about__stats-grid{
    grid-template-columns:repeat(4,1fr);
  }
  .page-about__timeline{
    gap:26px;
    padding-left:0;
  }
  .page-about__timeline::before{
    left:128px;
  }
  .page-about__timeline-svg{
    position:absolute;
    left:0;
    top:0;
    width:200px;
    height:100%;
    display:block;
    opacity:.45;
    pointer-events:none;
  }
  .page-about__timeline-path{
    fill:none;
    stroke:var(--c-orange);
    stroke-width:1;
    stroke-dasharray:4 8;
  }
  .page-about__timeline-dot{
    fill:var(--c-orange);
  }
  .page-about__milestone{
    grid-template-columns:140px 1fr;
    gap:0 32px;
  }
  .page-about__milestone-year{
    padding-right:32px;
    text-align:right;
  }
  .page-about__timeline-figure{
    margin:40px 0 0;
  }
  .page-about__tech-grid{
    grid-template-columns:1.1fr .9fr;
    align-items:start;
  }
  .page-about__security{
    grid-template-columns:repeat(3,1fr);
  }
  .page-about__eco-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .page-about__local-grid{
    grid-template-columns:repeat(3,1fr);
  }
  .page-about__explore-grid{
    grid-template-columns:repeat(2,1fr);
  }
}