.deepdoc-hero{
  position:relative;
  border-bottom:1px solid var(--color-border);
  background:linear-gradient(145deg,var(--color-bg),var(--color-panel-alt));
}
.deepdoc-glow{
  position:absolute;
  top:8%;
  right:4%;
  width:clamp(240px,34vw,520px);
  aspect-ratio:1;
  border-radius:var(--radius-pill);
  background:radial-gradient(circle,var(--color-glow-warm),transparent 68%);
  pointer-events:none;
}
.deepdoc-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(300px,.72fr);
  gap:clamp(30px,6vw,82px);
  align-items:center;
}
.deepdoc-intro{
  max-width:760px;
}
.deepdoc-intro h1{
  max-width:720px;
  margin-bottom:24px;
}
.deepdoc-intro .lead{
  max-width:720px;
}
.deepdoc-facts{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-top:24px;
}
.deepdoc-index-card{
  position:relative;
  padding:clamp(26px,4vw,42px);
  border:1px solid var(--color-border);
  border-radius:var(--radius-xl);
  background:var(--color-panel);
  box-shadow:var(--shadow-card);
  transform:rotate(1deg);
}
.deepdoc-index-card::before{
  content:"";
  position:absolute;
  inset:12px -10px -12px 10px;
  z-index:-1;
  border:1px solid var(--color-border);
  border-radius:var(--radius-xl);
  background:var(--color-panel-alt);
}
.deepdoc-index-card h2{
  margin-bottom:18px;
  font-size:clamp(26px,3vw,36px);
}
.deepdoc-index-card p:last-child{
  margin-bottom:0;
}
.deepdoc-card-label{
  display:inline-flex;
  margin-bottom:18px;
  padding:5px 11px;
  border-radius:var(--radius-pill);
  background:var(--color-accent-soft);
  color:var(--color-accent);
  font-size:12px;
  font-weight:800;
  letter-spacing:.1em;
}
.deepdoc-layout{
  padding-top:34px;
  padding-bottom:clamp(80px,10vw,132px);
}
.deepdoc-layout > .toc-tabs{
  margin-bottom:clamp(48px,7vw,82px);
}
.deepdoc-article{
  width:100%;
  max-width:920px;
  margin-inline:auto;
}
.deepdoc-section{
  padding-top:clamp(54px,8vw,94px);
  padding-bottom:clamp(54px,8vw,94px);
  border-bottom:1px solid var(--color-border);
}
.deepdoc-section:first-child{
  padding-top:0;
}
.deepdoc-section > h2{
  max-width:800px;
  margin-bottom:34px;
}
.deepdoc-section > h3{
  margin-top:42px;
  margin-bottom:16px;
  font-size:clamp(22px,2.4vw,28px);
}
.deepdoc-section > p{
  color:var(--color-muted);
  font-size:17px;
  line-height:1.9;
}
.deepdoc-section > p + p{
  margin-top:-2px;
}
.deepdoc-section a{
  font-weight:700;
}
.deepdoc-section .table-scroll{
  margin:34px 0 40px;
}
.deepdoc-section table{
  line-height:1.58;
}
.deepdoc-section td{
  color:var(--color-muted);
}
.deepdoc-section .callout{
  margin-top:34px;
  margin-bottom:38px;
  color:var(--color-text);
}
.deepdoc-section .callout pre{
  margin-top:16px;
  margin-bottom:0;
}
.deepdoc-check-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:15px;
  margin:36px 0 44px;
}
.deepdoc-check-grid .card{
  padding:24px;
  box-shadow:none;
}
.deepdoc-check-grid h3{
  margin-bottom:14px;
  font-size:20px;
}
.deepdoc-check-grid ul{
  margin-bottom:0;
  padding-left:1.2em;
  color:var(--color-muted);
}
.deepdoc-check-grid li + li{
  margin-top:8px;
}
.deepdoc-article .promo-block{
  margin-top:clamp(64px,9vw,110px);
}
@media (max-width:900px){
  .deepdoc-hero-grid{
    grid-template-columns:1fr;
  }
  .deepdoc-index-card{
    transform:none;
  }
  .deepdoc-check-grid{
    grid-template-columns:1fr;
  }
}
@media (max-width:768px){
  .deepdoc-glow{
    display:none;
  }
  .deepdoc-hero{
    padding-top:58px;
    padding-bottom:66px;
  }
  .deepdoc-index-card::before{
    inset:8px -5px -8px 5px;
  }
  .deepdoc-layout{
    padding-top:20px;
  }
  .deepdoc-layout > .toc-tabs{
    margin-bottom:52px;
  }
  .deepdoc-section > p{
    font-size:16px;
    line-height:1.82;
  }
  .deepdoc-section > h3{
    margin-top:36px;
  }
}
@media (max-width:640px){
  .deepdoc-index-card{
    padding:23px;
  }
  .deepdoc-facts{
    align-items:flex-start;
  }
  .deepdoc-section{
    padding-top:58px;
    padding-bottom:58px;
  }
  .deepdoc-section .callout{
    padding:18px;
  }
  .deepdoc-check-grid .card{
    padding:21px;
  }
}