/* DELTA V83 — centered four-domain hero + compact service menus + Delta Yar colors */
.hero-v51 .hero-four-domains{
  grid-template-columns:minmax(210px,1fr) minmax(390px,1.25fr) minmax(210px,1fr)!important;
  grid-template-rows:1fr 1fr!important;
  grid-template-areas:"security core energy" "construction core business"!important;
  align-items:center!important;
  justify-items:center!important;
  gap:18px 28px!important;
  min-height:560px!important;
}
.hero-v51 .hero-core{grid-area:core!important;align-self:center!important;width:100%!important;height:100%!important;min-height:560px!important;justify-content:center!important;}
.hero-v51 .hero-logo-stage{min-height:260px!important;height:260px!important;}
.hero-v51 .hero-logo{width:min(330px,100%)!important;height:auto!important;max-height:300px!important;object-fit:contain!important;}
.hero-v51 .domain-security{grid-area:security!important}.hero-v51 .domain-energy{grid-area:energy!important}.hero-v51 .domain-construction{grid-area:construction!important}.hero-v51 .domain-business{grid-area:business!important}
.hero-v51 .hero-domain{width:100%!important;display:flex!important;justify-content:center!important;position:relative!important;z-index:8!important}
.hero-v51 .domain-card{position:relative!important;width:min(245px,100%)!important;min-height:116px!important;aspect-ratio:1.7/1!important;overflow:visible!important;}
.hero-domain-menu{width:min(245px,100%);display:grid;grid-template-columns:1fr;gap:6px;margin-top:7px;max-height:0;overflow:hidden;opacity:0;transform:translateY(-5px);transition:max-height .24s ease,opacity .2s ease,transform .24s ease;}
.hero-domain.is-open .hero-domain-menu{max-height:145px;opacity:1;transform:none;}
.hero-domain-menu a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 10px;border:1px solid rgba(126,224,255,.22);border-radius:10px;background:rgba(4,22,38,.82);color:#eafaff;text-decoration:none;font-size:10.5px;line-height:1.5;box-shadow:0 8px 20px rgba(0,0,0,.12);backdrop-filter:blur(8px);}
.hero-domain-menu a:hover{border-color:rgba(90,220,255,.65);background:rgba(8,52,77,.92);}
.hero-domain-menu a span{color:#65dfff;font-weight:900;min-width:18px;direction:ltr}
.hero-v51 .hero-brandline{margin-top:-2px!important;color:#72e5ff!important;text-shadow:0 4px 18px rgba(22,180,240,.2)!important;}
.hero-v51 .hero-brandline span{color:#a9f4ff!important}
/* Keep the central mark visually above surrounding cards */
.hero-v51 .hero-core,.hero-v51 .hero-logo-stage{position:relative;z-index:12}
/* Delta Yar: Delta blue/cyan palette, no orange */
:root{--dy-accent:#08bde9;--dy-accent-2:#126cff;--dy-panel:rgba(248,252,255,.98);--dy-text:#10202d;--dy-muted:#647686;--dy-border:rgba(18,108,255,.15);--dy-shadow:0 26px 80px rgba(3,38,72,.28)}
html[data-theme="dark"]{--dy-panel:rgba(7,20,31,.985);--dy-text:#edfaff;--dy-muted:#a9c0ce;--dy-border:rgba(114,226,255,.16)}
.dy-launcher{background:linear-gradient(145deg,#06d4f2 0%,#087cff 72%,#0a5ad4 100%)!important;box-shadow:0 16px 42px rgba(8,124,255,.30),0 0 0 1px rgba(118,235,255,.22) inset!important;border-color:rgba(164,246,255,.48)!important}
.dy-launcher:hover{box-shadow:0 20px 48px rgba(8,124,255,.38),0 0 0 1px rgba(164,246,255,.34) inset!important}
.dy-head{background:linear-gradient(135deg,#061725 0%,#073b59 58%,#087fa3 100%)!important}
.dy-avatar{background:linear-gradient(145deg,#08d5f1,#087cff)!important;box-shadow:0 8px 22px rgba(0,173,235,.24)!important}
.dy-msg.user{background:linear-gradient(135deg,#087cff,#08bde9)!important}
.dy-send{background:linear-gradient(135deg,#087cff,#08bde9)!important;box-shadow:0 8px 18px rgba(8,124,255,.18)!important}
.dy-chip:hover,.dy-input:focus{border-color:#08bde9!important}.dy-links a{color:#087cff!important}
.dy-title{letter-spacing:-.2px}.dy-status{color:#bdefff}
@media(max-width:1100px){.hero-v51 .hero-four-domains{grid-template-columns:minmax(170px,1fr) minmax(330px,1.15fr) minmax(170px,1fr)!important;gap:14px 18px!important}.hero-v51 .hero-logo{width:min(290px,100%)!important}.hero-v51 .hero-logo-stage{height:230px!important;min-height:230px!important}.hero-v51 .hero-core{min-height:500px!important}}
@media(max-width:760px){.hero-v51 .hero-four-domains{grid-template-columns:1fr 1fr!important;grid-template-rows:auto!important;grid-template-areas:"core core" "security energy" "construction business"!important;min-height:0!important;gap:12px!important}.hero-v51 .hero-core{min-height:0!important;height:auto!important}.hero-v51 .hero-logo-stage{height:235px!important;min-height:235px!important}.hero-v51 .hero-logo{width:min(270px,80vw)!important}.hero-domain-menu{width:100%}.hero-v51 .domain-card{width:100%!important}.hero-v51 .hero-domain-menu a{font-size:10px}}
@media(max-width:520px){.hero-v51 .hero-four-domains{grid-template-columns:1fr!important;grid-template-areas:"core" "security" "energy" "construction" "business"!important}.hero-v51 .domain-card,.hero-domain-menu{width:min(310px,100%)!important}.hero-v51 .hero-logo{width:min(250px,78vw)!important}}