/* EKS case-study feature pack — scoped to the 2048 EKS page only.
   Adds no global spacing/typography rules and does not modify existing animations. */

body[data-case="eks"] .eks-feature-stack{
  display:grid;
  gap:16px;
  margin-top:24px;
}

body[data-case="eks"] .eks-feature-panel{
  border:1px solid var(--line);
  border-radius:16px;
  background:color-mix(in srgb,var(--panel) 34%,transparent);
  padding:22px;
}

body[data-case="eks"] .eks-feature-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:15px;
}

body[data-case="eks"] .eks-feature-head h3{
  margin:5px 0 0;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.08;
}

body[data-case="eks"] .eks-feature-head p{
  max-width:640px;
  margin:5px 0 0;
  color:var(--muted);
  font-size:13px;
}

/* Deployment flow — the new signal runs once when this panel enters view. */
body[data-case="eks"] .eks-deployment-row{
  display:flex;
  align-items:center;
  gap:8px;
  width:100%;
}

body[data-case="eks"] .eks-deploy-node{
  flex:0 1 145px;
  min-width:92px;
  padding:11px 9px;
  border:1px solid var(--line-strong);
  border-radius:10px;
  background:var(--panel);
  color:var(--text);
  font-size:11px;
  font-weight:820;
  line-height:1.25;
  text-align:center;
}

body[data-case="eks"] .eks-deploy-connector{
  position:relative;
  flex:1 1 26px;
  min-width:18px;
  height:2px;
  overflow:visible;
  background:var(--line-strong);
}

body[data-case="eks"] .eks-deploy-connector::after{
  content:"";
  position:absolute;
  left:-4px;
  top:50%;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 8px color-mix(in srgb,var(--orange) 45%,transparent);
  opacity:0;
  transform:translateY(-50%);
}

body[data-case="eks"] .eks-deployment-flow.is-visible .eks-deploy-connector::after{
  animation:eksDeploySignal 900ms ease-in-out 1 forwards;
}
body[data-case="eks"] .eks-deployment-flow.is-visible .eks-deploy-connector:nth-of-type(1)::after{animation-delay:120ms}
body[data-case="eks"] .eks-deployment-flow.is-visible .eks-deploy-connector:nth-of-type(2)::after{animation-delay:360ms}
body[data-case="eks"] .eks-deployment-flow.is-visible .eks-deploy-connector:nth-of-type(3)::after{animation-delay:600ms}
body[data-case="eks"] .eks-deployment-flow.is-visible .eks-deploy-connector:nth-of-type(4)::after{animation-delay:840ms}
body[data-case="eks"] .eks-deployment-flow.is-visible .eks-deploy-connector:nth-of-type(5)::after{animation-delay:1080ms}

@keyframes eksDeploySignal{
  0%{left:-4px;opacity:0}
  16%,82%{opacity:1}
  100%{left:calc(100% - 4px);opacity:0}
}

/* Architecture evolution */
body[data-case="eks"] .eks-evolution-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 28px minmax(0,1fr) 28px minmax(0,1fr);
  align-items:stretch;
  gap:8px;
}

body[data-case="eks"] .eks-evolution-card{
  padding:17px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--bg);
}

body[data-case="eks"] .eks-evolution-card strong{
  display:block;
  margin-bottom:8px;
  color:var(--text);
  font-size:13px;
}

body[data-case="eks"] .eks-evolution-card p{
  margin:0;
  color:var(--muted);
  font-size:12px;
  line-height:1.55;
}

body[data-case="eks"] .eks-evolution-card code{
  color:var(--text);
}

body[data-case="eks"] .eks-evolution-card.issue{
  border-color:color-mix(in srgb,var(--orange) 40%,var(--line));
}
body[data-case="eks"] .eks-evolution-card.issue strong{color:var(--orange)}
body[data-case="eks"] .eks-evolution-card.final{
  border-color:color-mix(in srgb,var(--green) 38%,var(--line));
}
body[data-case="eks"] .eks-evolution-card.final strong{color:var(--green)}

body[data-case="eks"] .eks-evolution-arrow{
  display:grid;
  place-items:center;
  color:var(--orange);
  font-size:18px;
  font-weight:900;
}

/* Engineering decisions — collapsed rows consume no extra detail height. */
body[data-case="eks"] .eks-decisions{
  display:grid;
  border-top:1px solid var(--line);
}

body[data-case="eks"] .eks-decision{
  border-bottom:1px solid var(--line);
}

body[data-case="eks"] .eks-decision-toggle{
  width:100%;
  display:grid;
  grid-template-columns:36px minmax(180px,.75fr) minmax(0,1fr) 24px;
  align-items:center;
  gap:12px;
  padding:13px 4px;
  border:0;
  background:transparent;
  color:var(--text);
  text-align:left;
  cursor:pointer;
}

body[data-case="eks"] .eks-decision-no{
  color:var(--muted-2);
  font:800 11px/1 ui-monospace,monospace;
}

body[data-case="eks"] .eks-decision-title{
  font-size:13px;
  font-weight:850;
}

body[data-case="eks"] .eks-decision-summary{
  color:var(--muted);
  font-size:12px;
}

body[data-case="eks"] .eks-decision-plus{
  color:var(--orange);
  font-size:18px;
  line-height:1;
  transition:transform 180ms ease;
}

body[data-case="eks"] .eks-decision.open .eks-decision-plus{
  transform:rotate(45deg);
}

body[data-case="eks"] .eks-decision-detail{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows 200ms ease;
}

body[data-case="eks"] .eks-decision-detail > div{
  min-height:0;
  overflow:hidden;
}

body[data-case="eks"] .eks-decision.open .eks-decision-detail{
  grid-template-rows:1fr;
}

body[data-case="eks"] .eks-decision-copy{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  padding:0 4px 14px 52px;
}

body[data-case="eks"] .eks-decision-copy p{
  margin:0;
  color:var(--muted);
  font-size:12px;
  line-height:1.55;
}

body[data-case="eks"] .eks-decision-copy strong{
  display:block;
  margin-bottom:3px;
  color:var(--text);
  font-size:10px;
  letter-spacing:.08em;
  text-transform:uppercase;
}

/* Engineering evidence drawer */
body[data-case="eks"] .eks-evidence-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:0 13px;
  border:1px solid var(--line);
  border-radius:10px;
  background:color-mix(in srgb,var(--panel) 35%,transparent);
  color:var(--text);
  font-weight:820;
  cursor:pointer;
}

body[data-case="eks"] .eks-evidence-toggle span{
  color:var(--orange);
  transition:transform 180ms ease;
}
body[data-case="eks"] .eks-evidence-wrap.open .eks-evidence-toggle span{transform:rotate(180deg)}

body[data-case="eks"] .eks-evidence-drawer{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows 220ms ease;
}
body[data-case="eks"] .eks-evidence-drawer > div{min-height:0;overflow:hidden}
body[data-case="eks"] .eks-evidence-wrap.open .eks-evidence-drawer{grid-template-rows:1fr}

body[data-case="eks"] .eks-evidence-inner{
  padding-top:14px;
}

body[data-case="eks"] .eks-evidence-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  margin-bottom:10px;
}

body[data-case="eks"] .eks-evidence-tab{
  padding:7px 10px;
  border:1px solid var(--line);
  border-radius:9px;
  background:transparent;
  color:var(--muted);
  font-size:11px;
  cursor:pointer;
}

body[data-case="eks"] .eks-evidence-tab.active{
  border-color:color-mix(in srgb,var(--orange) 58%,var(--line));
  color:var(--text);
  background:color-mix(in srgb,var(--orange) 7%,transparent);
}

body[data-case="eks"] .eks-evidence-pane{
  display:none;
}
body[data-case="eks"] .eks-evidence-pane.active{display:block}

body[data-case="eks"] .eks-evidence-pane pre{
  margin:0;
  padding:15px 16px;
  overflow:auto;
  border:1px solid var(--line);
  border-radius:11px;
  background:#04191a;
  color:#fffdf8;
  font:700 11px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace;
  white-space:pre;
}

body[data-case="eks"] .eks-evidence-pane p{
  margin:0;
  color:var(--muted);
  font-size:12px;
  line-height:1.6;
}

@media(max-width:820px){
  body[data-case="eks"] .eks-deployment-row{
    flex-direction:column;
    align-items:stretch;
  }
  body[data-case="eks"] .eks-deploy-node{
    flex:none;
    width:100%;
  }
  body[data-case="eks"] .eks-deploy-connector{
    width:2px;
    min-width:2px;
    height:20px;
    min-height:20px;
    margin:auto;
  }
  body[data-case="eks"] .eks-deployment-flow.is-visible .eks-deploy-connector::after{
    animation:none;
    opacity:1;
    left:50%;
    top:50%;
    transform:translate(-50%,-50%);
  }
  body[data-case="eks"] .eks-evolution-grid{
    grid-template-columns:1fr;
  }
  body[data-case="eks"] .eks-evolution-arrow{
    min-height:20px;
    transform:rotate(90deg);
  }
  body[data-case="eks"] .eks-decision-toggle{
    grid-template-columns:30px minmax(0,1fr) 22px;
  }
  body[data-case="eks"] .eks-decision-summary{
    grid-column:2;
  }
  body[data-case="eks"] .eks-decision-plus{
    grid-column:3;
    grid-row:1/3;
  }
  body[data-case="eks"] .eks-decision-copy{
    grid-template-columns:1fr;
    padding-left:46px;
  }
}

@media(max-width:650px){
  body[data-case="eks"] .eks-feature-panel{padding:17px}
  body[data-case="eks"] .eks-feature-head{align-items:flex-start;flex-direction:column}
}

@media(prefers-reduced-motion:reduce){
  body[data-case="eks"] .eks-deployment-flow.is-visible .eks-deploy-connector::after{animation:none}
  body[data-case="eks"] .eks-decision-plus,
  body[data-case="eks"] .eks-decision-detail,
  body[data-case="eks"] .eks-evidence-toggle span,
  body[data-case="eks"] .eks-evidence-drawer{transition:none}
}