/* =========================================================
POINT OF RESOLUTION · V25 · OPERATIONAL DOMAINS
Add-on stylesheet loaded AFTER styles.css
========================================================= */

/* Navigation breathing room with the additional top-level domain link */
@media (min-width:1101px) and (max-width:1320px){
  .site-nav{gap:.82rem;font-size:.72rem}
  .header-inner{gap:1.2rem}
  .brand{letter-spacing:.19em;font-size:.74rem}
}

/* ---------- HOME DOMAIN HUB ---------- */
.home-domain-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(0,0,0,.22);
  border-left:1px solid rgba(0,0,0,.22);
}
.home-domain-card{
  min-height:190px;
  padding:1.35rem;
  border-right:1px solid rgba(0,0,0,.22);
  border-bottom:1px solid rgba(0,0,0,.22);
  background:rgba(255,255,255,.22);
  display:flex;
  flex-direction:column;
  transition:.22s ease;
}
.home-domain-card:hover{
  background:#f2f1ed;
  transform:translateY(-3px);
  box-shadow:0 14px 34px rgba(0,0,0,.08);
}
.home-domain-card>span{
  font:800 .68rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--gold-soft);
  letter-spacing:.14em;
}
.home-domain-card>strong{
  margin-top:auto;
  font-size:1.05rem;
  line-height:1.2;
}
.home-domain-card>p{
  margin:.55rem 0 0;
  color:#5c6164;
  font-size:.78rem;
  line-height:1.5;
}
.home-domain-principle{
  margin-top:1.2rem;
  padding:1.4rem;
  background:#0b0d0e;
  color:#fff;
  display:grid;
  grid-template-columns:.85fr 1.35fr auto;
  gap:2rem;
  align-items:center;
}
.home-domain-principle strong{
  display:block;
  margin-top:.35rem;
  font-size:1.15rem;
}
.home-domain-principle p{
  margin:0;
  color:#aab0b3;
  font-size:.88rem;
  line-height:1.55;
}

/* ---------- DETAIL PAGE HERO ---------- */
.domains-page{background:var(--bg)}
.domains-hero{
  min-height:76svh;
  padding:9rem 0 5rem;
  display:flex;
  align-items:flex-end;
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(circle at 80% 30%,rgba(214,165,0,.08),transparent 25%),
    linear-gradient(135deg,#070809 0%,#111416 55%,#08090a 100%);
}
.domains-hero::before{
  content:"";
  position:absolute;
  inset:0;
  opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:64px 64px;
}
.domains-hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(290px,.5fr);
  gap:6vw;
  align-items:end;
}
.domains-hero h1{
  font-size:clamp(3.4rem,7vw,7.5rem);
  line-height:.9;
  letter-spacing:-.055em;
  margin:.45rem 0 1.4rem;
  max-width:980px;
}
.domains-hero .lead{max-width:820px}
.domains-premise{
  border:1px solid var(--line);
  border-top:2px solid var(--gold);
  padding:1.4rem;
  background:rgba(0,0,0,.32);
}
.domains-premise strong{
  display:block;
  font-size:1.15rem;
  line-height:1.3;
  margin:.55rem 0;
}
.domains-premise p{
  color:#9fa5a8;
  font-size:.84rem;
  margin:0;
}

/* ---------- REFERENCE FRAME ---------- */
.domain-context-grid{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:6vw;
  align-items:start;
}
.domain-context-copy h2,
.domain-dependency-copy h2,
.domain-capability-copy h2{
  font-size:clamp(2.5rem,4.8vw,5rem);
  line-height:1;
  letter-spacing:-.045em;
  margin:.25rem 0 1.4rem;
}
.domain-context-copy p{
  color:#afb4b6;
  max-width:690px;
}
.reference-stack{display:grid;border-top:1px solid var(--line)}
.reference-stack article{
  display:grid;
  grid-template-columns:78px 1fr;
  gap:1rem;
  padding:1.25rem 0;
  border-bottom:1px solid var(--line);
}
.reference-stack span{
  font:800 .68rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--gold);
  letter-spacing:.12em;
}
.reference-stack strong{font-size:1.05rem}
.reference-stack p{margin:.35rem 0 0;color:#969da0;font-size:.85rem}
.reference-stack a{
  display:inline-block;
  margin-top:.55rem;
  color:#cbd0d2;
  font-size:.75rem;
  text-decoration:underline;
  text-decoration-color:rgba(214,165,0,.5);
  text-underline-offset:3px;
}

/* ---------- OPERATIONAL DOMAINS ---------- */
.operational-domain-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:rgba(0,0,0,.18);
  border:1px solid rgba(0,0,0,.18);
}
.operational-domain{
  min-height:390px;
  padding:1.7rem;
  background:#f2f1ed;
  position:relative;
  scroll-margin-top:100px;
}
.operational-domain::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:0;
  height:2px;
  background:var(--gold-soft);
  transition:width .3s ease;
}
.operational-domain:hover::before{width:100%}
.operational-domain-head{
  display:flex;
  justify-content:space-between;
  gap:1.5rem;
  align-items:flex-start;
}
.operational-domain-head>span:first-child{
  font:800 .72rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--gold-soft);
  letter-spacing:.14em;
}
.operational-domain h3{
  font-size:1.8rem;
  line-height:1.05;
  margin:1.4rem 0 .9rem;
}
.operational-domain>p{
  color:#555c60;
  max-width:620px;
}
.domain-function-list{
  margin-top:1.5rem;
  border-top:1px solid rgba(0,0,0,.14);
}
.domain-function-list div{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:1rem;
  padding:.72rem 0;
  border-bottom:1px solid rgba(0,0,0,.1);
}
.domain-function-list span{
  font-size:.62rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-weight:800;
  color:#767d80;
}
.domain-function-list strong{
  font-size:.82rem;
  line-height:1.45;
}

/* ---------- DEPENDENCY LOGIC ---------- */
.domain-dependency-grid{
  display:grid;
  grid-template-columns:.72fr 1.28fr;
  gap:6vw;
  align-items:start;
}
.dependency-network{
  border:1px solid var(--line);
  background:#0c0e0f;
}
.dependency-row{
  display:grid;
  grid-template-columns:1fr 48px 1fr;
  align-items:center;
  min-height:78px;
  border-bottom:1px solid var(--line);
}
.dependency-row:last-child{border-bottom:0}
.dependency-row div{padding:1rem 1.2rem}
.dependency-row span{text-align:center;color:var(--gold);font-size:1.15rem}
.dependency-row strong{display:block;font-size:.88rem}
.dependency-row small{display:block;margin-top:.2rem;color:#7f878a;font-size:.68rem}
.domain-dependency-note{
  margin-top:1rem;
  padding:1rem 1.15rem;
  border-left:2px solid var(--gold);
  background:rgba(255,255,255,.025);
  color:#a5abae;
  font-size:.86rem;
}

/* ---------- DISRUPTION ---------- */
.disruption-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.disruption-card{
  min-height:245px;
  padding:1.35rem;
  background:#0c0e0f;
}
.disruption-card>span{
  color:var(--gold);
  font:800 .68rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;
}
.disruption-card h3{margin:1.5rem 0 .7rem;font-size:1.18rem}
.disruption-card p{color:#969da0;font-size:.83rem}

/* ---------- CAPABILITY MAPPING ---------- */
.domain-capability-grid{
  display:grid;
  grid-template-columns:.72fr 1.28fr;
  gap:6vw;
}
.domain-capability-map{
  display:grid;
  border-top:1px solid rgba(0,0,0,.16);
}
.domain-capability-map article{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:1.5rem;
  padding:1.3rem 0;
  border-bottom:1px solid rgba(0,0,0,.16);
}
.domain-capability-map span{
  color:var(--gold-soft);
  font-size:.68rem;
  font-weight:800;
  letter-spacing:.14em;
}
.domain-capability-map strong{display:block;margin-bottom:.35rem}
.domain-capability-map p{margin:0;color:#5c6265;font-size:.86rem}

/* ---------- CLASSIFICATION / CTA ---------- */
.domain-classification-note{
  padding:1.2rem 1.35rem;
  border:1px solid rgba(0,0,0,.16);
  background:rgba(255,255,255,.35);
  margin-top:2rem;
  font-size:.78rem;
  color:#62686b;
}
.domain-cta{
  display:grid;
  grid-template-columns:1fr auto;
  gap:2rem;
  align-items:end;
}
.domain-cta h2{
  max-width:900px;
  margin:.4rem 0 0;
  font-size:clamp(2.6rem,5.2vw,5.7rem);
  line-height:.97;
  letter-spacing:-.05em;
}
.domain-cta-actions{
  display:flex;
  flex-direction:column;
  gap:.7rem;
  min-width:250px;
}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1000px){
  .home-domain-grid{grid-template-columns:repeat(2,1fr)}
  .home-domain-principle,
  .domains-hero-grid,
  .domain-context-grid,
  .domain-dependency-grid,
  .domain-capability-grid{grid-template-columns:1fr}
  .disruption-grid{grid-template-columns:repeat(2,1fr)}
  .domain-cta{grid-template-columns:1fr}
  .domain-cta-actions{max-width:340px}
}
@media(max-width:700px){
  .home-domain-grid,
  .operational-domain-grid,
  .disruption-grid{grid-template-columns:1fr}
  .home-domain-card{min-height:150px}
  .home-domain-principle{gap:1rem}
  .domains-hero{min-height:auto;padding:8rem 0 4rem}
  .domains-hero h1{font-size:3.2rem}
  .operational-domain{min-height:auto}
  .domain-function-list div,
  .domain-capability-map article{grid-template-columns:1fr;gap:.35rem}
  .dependency-row{grid-template-columns:1fr 34px 1fr}
}
@media(prefers-reduced-motion:reduce){
  .home-domain-card,.operational-domain::before{transition:none}
}

/* V26 · Deep-dive links */
.domain-deep-link{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  margin-top:1.15rem;
  padding-top:.9rem;
  border-top:1px solid rgba(0,0,0,.12);
  color:#17191a;
  font-size:.72rem;
  font-weight:800;
  letter-spacing:.06em;
  text-transform:uppercase;
}
.domain-deep-link:hover{color:var(--gold-soft)}