/* Case Study Detail family / DS v0.6 + Surface Grammar 1.
 * Scope: Panasonic / WEG / Hering detail pages only.
 */
:is(#page-panasonic,#page-weg,#page-hering){
  --case-ink:#0D1926;
  --case-navy:#1A314B;
  --case-teal:#1F6C6D;
  --case-coral:#FD604A;
  --case-lilac:#E8BFE6;
  --case-body:#494A4A;
  --case-muted:#626263;
  --case-cool:#ECF0F4;
  --case-paper:#FFFFFF;
  --case-line:#DDE5EC;
  --case-lit:linear-gradient(212.5deg in srgb,#101E2F 43.91%,#354E6A 97.43%);
  --case-warm:linear-gradient(161.15deg in srgb,#FF9974 8.73%,#FF5212 88.52%);
  color:var(--case-body);
  background:#fff;
  overflow-x:clip;
}
:is(#page-panasonic,#page-weg,#page-hering) .wrap{
  width:min(calc(100% - 48px),1240px);
  max-width:1240px;
  padding-inline:0;
}

/* Primary Narrative: global-like Navy brand field, never a rounded section shell. */
:is(#page-panasonic,#page-weg,#page-hering) .page-hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  padding:var(--ob-shell-hero-pad-top) 0 var(--ob-shell-hero-pad-bottom);
  color:#fff;
  text-align:left;
  background-color:#101E2F;
  background-image:var(--case-lit);
}
:is(#page-panasonic,#page-weg,#page-hering) .page-hero::before{
  content:"";
  position:absolute;
  right:-70px;
  top:-120px;
  width:430px;
  height:430px;
  z-index:-1;
  pointer-events:none;
  background:radial-gradient(circle,rgba(232,191,230,.20) 1px,transparent 1.5px) 0 0/16px 16px;
  -webkit-mask-image:radial-gradient(circle,#000 12%,transparent 72%);
  mask-image:radial-gradient(circle,#000 12%,transparent 72%);
}
:is(#page-panasonic,#page-weg,#page-hering) .page-hero::after{
  content:"";
  position:absolute;
  left:-160px;
  bottom:-210px;
  width:560px;
  height:400px;
  z-index:-1;
  pointer-events:none;
  background:radial-gradient(ellipse,rgba(253,96,74,.17),transparent 68%);
}
:is(#page-panasonic,#page-weg,#page-hering) .page-hero .tag{
  display:flex;
  align-items:center;
  gap:11px;
  margin:0 0 20px;
  color:rgba(255,255,255,.72);
  font-family:var(--ob-font-latin);
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
}
:is(#page-panasonic,#page-weg,#page-hering) .page-hero .tag::before{
  content:"";
  width:var(--ob-shell-hero-marker-width);
  height:var(--ob-shell-marker-height);
  border-radius:2px;
  background:var(--ob-color-label-rule);
}
:is(#page-panasonic,#page-weg,#page-hering) .page-hero h1{
  width:min(100%,900px);
  max-width:900px;
  margin:0;
  color:#fff;
  font-size:clamp(42px,5vw,68px);
  font-weight:500;
  line-height:1.18;
  letter-spacing:-.03em;
}
:is(#page-panasonic,#page-weg,#page-hering) .page-hero p{
  width:min(100%,760px);
  max-width:760px;
  margin:24px 0 0;
  color:rgba(255,255,255,.86);
  font-size:17px;
  line-height:1.85;
}

/* Open long-form fields. Section hierarchy comes from whitespace and surface shifts. */
:is(#page-panasonic,#page-weg,#page-hering) section.block{
  padding:clamp(70px,8vw,108px) 0;
  background:#fff;
}
:is(#page-panasonic,#page-weg,#page-hering) section.block.alt{
  background:var(--case-cool);
}
:is(#page-panasonic,#page-weg,#page-hering) .section-head{
  max-width:860px;
  margin:0 0 clamp(34px,4vw,50px);
  text-align:left;
}
:is(#page-panasonic,#page-weg,#page-hering) .section-head .eyebrow{
  display:flex;
  align-items:center;
  gap:11px;
  margin:0 0 15px;
  color:var(--case-navy);
  font-family:var(--ob-font-latin);
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
}
:is(#page-panasonic,#page-weg,#page-hering) .section-head .eyebrow::before{
  content:"";
  width:var(--ob-shell-section-marker-width);
  height:var(--ob-shell-marker-height);
  border-radius:2px;
  background:var(--ob-color-label-rule);
}
:is(#page-panasonic,#page-weg,#page-hering) .section-head h2{
  margin:0 0 20px;
  color:var(--case-navy);
  font-size:var(--ob-shell-section-title);
  font-weight:500;
  line-height:1.45;
  letter-spacing:-.02em;
  text-wrap:balance;
}
:is(#page-panasonic,#page-weg,#page-hering) .section-head p{
  max-width:800px;
  margin:0;
  color:var(--case-body);
  font-size:16px;
  line-height:1.9;
}

/* Panasonic: evidence metrics are an open proof rail, not three cards. */
#page-panasonic .card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  margin:0 0 clamp(42px,5vw,64px)!important;
  border-top:1px solid var(--case-line);
  border-bottom:1px solid var(--case-line);
}
#page-panasonic .card-grid .card{
  min-width:0;
  padding:24px 24px 26px 0;
  border:0;
  border-radius:0;
  background:transparent;
  box-shadow:none;
  text-align:left!important;
}
#page-panasonic .card-grid .card + .card{
  padding-left:28px;
  border-left:1px solid var(--case-line);
}
#page-panasonic .card-grid .card > div{
  color:var(--case-navy)!important;
  font-family:var(--ob-font-latin);
  font-size:clamp(27px,3vw,40px)!important;
  font-weight:500!important;
  line-height:1.2;
  white-space:nowrap;
}
#page-panasonic .card-grid .card > div span{
  color:var(--case-muted)!important;
  font-size:.55em!important;
  font-weight:500!important;
}
#page-panasonic .card-grid .card p{
  margin:8px 0 0!important;
  color:var(--case-muted);
  font-size:13px;
  line-height:1.5;
}
#page-panasonic .card-grid ~ p{
  width:min(100%,900px);
  margin:0 0 16px!important;
  color:var(--case-body);
  font-size:16px;
  line-height:1.95;
}
#page-panasonic .card-grid ~ p:last-child{margin-bottom:0!important;}

/* WEG / Hering: diagrams are local media wells only. */
:is(#page-weg,#page-hering) .diagram-block{
  width:100%;
  text-align:left;
}
#page-weg .diagram-scroll{
  display:block;
  width:100%;
  max-width:1080px;
  overflow:visible;
  padding:0;
  border:0;
  background:transparent;
}
#page-weg .diagram-scroll img{
  display:block;
  width:100%;
  height:auto;
  margin:0;
  border:2px solid rgba(232,191,230,.62);
  border-radius:18px;
  background:#fff;
  box-shadow:0 18px 44px rgba(13,25,38,.10);
}
#page-weg section.block:nth-of-type(3) .diagram-scroll img{
  border-color:rgba(31,108,109,.35);
}
#page-weg .diagram-scroll:focus-visible,
#page-hering .hering-pyramid:focus-visible{
  outline:3px solid var(--case-teal);
  outline-offset:5px;
}

/* Hering business model: open evidence field with local overflow only when needed. */
#page-hering .hering-pyramid{
  max-width:1080px;
  margin:0;
  padding:26px 0 28px;
  border-top:1px solid var(--case-line);
  border-bottom:1px solid var(--case-line);
  background:transparent;
  justify-content:flex-start;
  flex-wrap:nowrap;
}
#page-hering .hering-pyramid .hp-cell{color:var(--case-body);}
#page-hering .hering-pyramid .hp-cell.head{color:var(--case-navy);border-bottom-color:var(--case-navy);}
#page-hering .hering-pyramid .hp-cell.result{color:var(--case-teal);}

/* Hering approaches: same-family peer evidence, no white card shells. */
#page-hering .card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(28px,3vw,44px);
}
#page-hering .card-grid .case-card{
  min-width:0;
  padding:25px 0 0;
  border:0;
  border-top:2px solid var(--case-line);
  border-radius:0;
  background:transparent;
  box-shadow:none;
}
#page-hering .card-grid .case-card:nth-child(1){border-top-color:var(--case-teal);}
#page-hering .card-grid .case-card:nth-child(2){border-top-color:var(--case-coral);}
#page-hering .card-grid .case-card:nth-child(3){border-top-color:var(--case-lilac);}
#page-hering .card-grid .badge{
  display:block;
  margin:0 0 14px;
  padding:0;
  color:var(--case-muted);
  background:transparent;
  border-radius:0;
  font-family:var(--ob-font-latin);
  font-size:11px;
  font-weight:500;
  letter-spacing:.06em;
}
#page-hering .card-grid .case-card h3{
  margin:0 0 14px;
  color:var(--case-navy);
  font-size:20px;
  font-weight:500;
  line-height:1.55;
}
#page-hering .card-grid .case-card p{
  margin:0;
  color:var(--case-body);
  font-size:15px;
  line-height:1.85;
}
#page-hering .card-grid .results{
  display:grid;
  gap:7px;
  margin:22px 0 0;
  padding:18px 0 0;
  border-top:1px solid var(--case-line);
  list-style:none;
}
#page-hering .card-grid .results li{
  position:relative;
  padding-left:17px;
  color:var(--case-teal);
  font-size:14px;
  font-weight:500;
  line-height:1.6;
}
#page-hering .card-grid .results li::before{
  content:"";
  position:absolute;
  left:0;
  top:.65em;
  width:8px;
  height:2px;
  background:var(--case-coral);
}

/* Terminal interaction: bounded panel is legitimate here. */
:is(#page-panasonic,#page-weg,#page-hering) section.block:last-of-type{
  padding-top:clamp(68px,7vw,96px);
  background:#fff;
}
:is(#page-panasonic,#page-weg,#page-hering) .cta-band{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:12px clamp(28px,4vw,56px);
  align-items:center;
  padding:clamp(30px,4vw,44px) clamp(28px,4.6vw,56px);
  border:0;
  border-radius:var(--ob-shell-panel-radius);
  background-color:#101E2F;
  background-image:var(--case-lit);
  color:#fff;
  box-shadow:none;
  text-align:left;
}
:is(#page-panasonic,#page-weg,#page-hering) .cta-band h2{
  grid-column:1;
  margin:0;
  color:#fff;
  font-size:var(--ob-type-cta-title);
  font-weight:500;
  line-height:1.4;
}
:is(#page-panasonic,#page-weg,#page-hering) .cta-band p{
  grid-column:1;
  margin:0;
  color:rgba(255,255,255,.82);
  font-size:var(--ob-type-cta-body);
  line-height:1.75;
}
:is(#page-panasonic,#page-weg,#page-hering) .cta-band .btn{
  grid-column:2;
  grid-row:1/3;
  min-height:48px;
  align-self:center;
  padding:13px 24px;
  font-size:var(--ob-type-cta-label);
  border:1px solid #cf633c;
  border-radius:8px;
  background-color:#FF9974;
  background-image:var(--case-warm);
  color:var(--case-ink);
  font-weight:500;
  box-shadow:0 3px 8px rgba(26,49,75,.14);
}
:is(#page-panasonic,#page-weg,#page-hering) .cta-band .btn:hover{
  transform:none;
  color:var(--case-ink);
  box-shadow:0 6px 14px rgba(26,49,75,.16);
}
:is(#page-panasonic,#page-weg,#page-hering) .cta-band .btn:focus-visible{
  outline:3px solid #fff;
  outline-offset:4px;
}
:is(#page-panasonic,#page-weg,#page-hering) section.block:last-of-type .wrap > p{
  margin-top:26px!important;
  text-align:left!important;
}
:is(#page-panasonic,#page-weg,#page-hering) section.block:last-of-type .wrap > p a{
  color:var(--case-teal)!important;
  font-weight:500!important;
}

@media(max-width:900px){
  #page-hering .hering-pyramid{
    display:flex;
    max-width:100%;
    overflow-x:auto;
    overscroll-behavior-x:contain;
    scrollbar-gutter:stable;
  }
  #page-hering .hering-pyramid .hp-tri{flex:0 0 300px;}
  #page-hering .hering-pyramid .hp-table{flex:0 0 560px;min-width:560px;}
  #page-hering .card-grid{grid-template-columns:1fr;gap:0;}
  #page-hering .card-grid .case-card{padding:26px 0 30px;}
}

@media(max-width:760px){
  :is(#page-panasonic,#page-weg,#page-hering) .wrap{width:calc(100% - 32px);}
  :is(#page-panasonic,#page-weg,#page-hering) .page-hero{padding:var(--ob-shell-hero-pad-top) 0 var(--ob-shell-hero-pad-bottom);}
  :is(#page-panasonic,#page-weg,#page-hering) .page-hero h1{font-size:clamp(38px,12vw,52px);}
  :is(#page-panasonic,#page-weg,#page-hering) .page-hero p{font-size:var(--ob-shell-hero-lead);}
  :is(#page-panasonic,#page-weg,#page-hering) section.block{padding:58px 0 76px;}
  :is(#page-panasonic,#page-weg,#page-hering) .section-head h2{font-size:var(--ob-shell-section-title);}
  #page-panasonic .card-grid{grid-template-columns:1fr;}
  #page-panasonic .card-grid .card{padding:18px 0 19px;}
  #page-panasonic .card-grid .card + .card{padding-left:0;border-left:0;border-top:1px solid var(--case-line);}
  #page-weg .diagram-scroll{
    max-width:100%;
    overflow-x:auto;
    overscroll-behavior-x:contain;
  }
  #page-weg .diagram-scroll img{width:780px;max-width:none!important;}
  :is(#page-panasonic,#page-weg,#page-hering) .cta-band{grid-template-columns:1fr;padding:30px 24px;}
  :is(#page-panasonic,#page-weg,#page-hering) .cta-band h2,
  :is(#page-panasonic,#page-weg,#page-hering) .cta-band p,
  :is(#page-panasonic,#page-weg,#page-hering) .cta-band .btn{grid-column:1;grid-row:auto;}
  :is(#page-panasonic,#page-weg,#page-hering) .cta-band .btn{width:fit-content;margin-top:10px;}
}

@media(forced-colors:active){
  :is(#page-panasonic,#page-weg,#page-hering) .page-hero,
  :is(#page-panasonic,#page-weg,#page-hering) .cta-band,
  #page-weg .diagram-scroll img{
    color:CanvasText;
    background:Canvas;
    background-image:none;
    border-color:CanvasText;
    box-shadow:none;
  }
  :is(#page-panasonic,#page-weg,#page-hering) .page-hero h1,
  :is(#page-panasonic,#page-weg,#page-hering) .page-hero p,
  :is(#page-panasonic,#page-weg,#page-hering) .page-hero .tag,
  :is(#page-panasonic,#page-weg,#page-hering) .cta-band h2,
  :is(#page-panasonic,#page-weg,#page-hering) .cta-band p{color:CanvasText;}
}

/* DS v0.7 / Governance 2: WEG explanatory media is evidence, not decoration.
 * Keep local containment and mobile scrolling while reducing frame salience. */
#page-weg .diagram-scroll img{
  border:1px solid var(--case-line);
  border-radius:12px;
  box-shadow:none;
}
#page-weg section.block:nth-of-type(3) .diagram-scroll img{
  border-color:var(--case-line);
}
@media(forced-colors:active){
  #page-weg .diagram-scroll img{border-color:CanvasText;}
}