/* Live ArchAI brain core */
.home-page #abilities .orbit-core{
  width:324px;
  height:324px;
  min-height:0;
  padding:0;
  border:0;
  border-radius:0;
  background:transparent;
  box-shadow:none;
  overflow:visible;
  display:grid;
  place-items:center;
  isolation:isolate;
}
.home-page #abilities .orbit-core::before,
.home-page #abilities .orbit-core::after{
  content:none;
  display:none;
}
.home-page #abilities .brain-video,
.home-page #abilities .brain-poster{
  grid-area:1 / 1;
  display:block;
  width:100%;
  height:100%;
  object-fit:contain;
  border:0;
  background:transparent;
  pointer-events:none;
  mix-blend-mode:screen;
  filter:saturate(1.06) contrast(1.04) drop-shadow(0 0 18px rgba(93,190,255,.46)) drop-shadow(0 0 38px rgba(167,82,255,.28));
  -webkit-mask-image:radial-gradient(circle at center,#000 0 60%,rgba(0,0,0,.94) 72%,transparent 94%);
  mask-image:radial-gradient(circle at center,#000 0 60%,rgba(0,0,0,.94) 72%,transparent 94%);
}
.home-page #abilities .brain-poster{display:none}
@media(max-width:960px){
  .home-page #abilities .orbit-core{width:260px;height:260px}
}
@media(max-width:640px){
  .home-page #abilities .orbit-core{width:184px;height:184px}
}
@media(prefers-reduced-motion:reduce){
  .home-page #abilities .brain-video{display:none}
  .home-page #abilities .brain-poster{display:block}
}

/* Continuous page background flow */
.home-page main{
  background:
    radial-gradient(ellipse 72% 520px at 50% 210px,rgba(0,82,255,.38),transparent 72%),
    linear-gradient(180deg,
      #06104a 0,
      #071334 420px,
      #091a35 720px,
      #0b1b36 980px,
      #081329 1160px,
      #050b1c 1360px,
      #020611 1540px,
      #01040c 1710px,
      #071124 1900px);
  background-repeat:no-repeat;
  background-color:#081329;
}
.home-page .hero,
.home-page .compact-system,
.home-page #abilities{
  background:transparent !important;
  border-top:0;
  border-bottom:0;
  box-shadow:none;
}
.home-page .section,
.home-page .section.alt{
  border-top:0;
  border-bottom:0;
  box-shadow:none;
}
.home-page .directions-section{
  margin-top:-1px;
  background:linear-gradient(180deg,
    rgba(7,17,36,0) 0%,
    rgba(7,17,36,.32) 12%,
    #071124 24%,
    #09162b 40%,
    #0a1426 62%,
    #0a1426 100%);
}
.home-page #vik-chat{
  background:linear-gradient(180deg,#0a1426 0%,#09172c 52%,#081329 100%);
}
.home-page #vik-chat ~ .section{
  background:linear-gradient(180deg,#081329 0%,#09162b 50%,#081329 100%);
}
.home-page footer{
  border-top:0;
  background:linear-gradient(180deg,#081329 0%,#071121 100%);
}
@media(max-width:960px){
  .home-page main{
    background:
      radial-gradient(ellipse 94% 500px at 50% 190px,rgba(0,82,255,.34),transparent 74%),
      linear-gradient(180deg,
        #06104a 0,
        #071334 390px,
        #091a35 690px,
        #0b1b36 970px,
        #081329 1190px,
        #050b1c 1420px,
        #020611 1640px,
        #01040c 1840px,
        #071124 2100px);
    background-repeat:no-repeat;
    background-color:#081329;
  }
}

/* Foundation ecosystem block */
.home-page .foundation-section{
  padding:84px 0;
}
.home-page .foundation-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(360px,.82fr);
  gap:54px;
  align-items:stretch;
}
.home-page .foundation-accordions{
  display:grid;
  gap:16px;
}
.home-page .foundation-details{
  scroll-margin-top:110px;
  border:1px solid rgba(143,241,255,.18);
  border-radius:999px;
  background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(70,92,162,.035));
  box-shadow:0 18px 50px rgba(0,0,0,.16);
  overflow:hidden;
  transition:border-color .25s,background .25s,box-shadow .25s,border-radius .25s;
}
.home-page .foundation-details:hover{
  border-color:rgba(143,241,255,.42);
  box-shadow:0 0 28px rgba(74,101,255,.12),0 18px 50px rgba(0,0,0,.18);
}
.home-page .foundation-details[open]{
  border-radius:28px;
  border-color:rgba(143,241,255,.34);
  background:linear-gradient(155deg,rgba(255,255,255,.07),rgba(31,48,104,.08));
}
.home-page .foundation-details summary{
  list-style:none;
  min-height:72px;
  padding:0 24px 0 27px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  color:#eef6ff;
  font:700 19px/1.25 var(--font-display);
  cursor:pointer;
}
.home-page .foundation-details summary::-webkit-details-marker{display:none}
.home-page .foundation-details summary::after{
  content:"+";
  flex:0 0 auto;
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid rgba(143,241,255,.22);
  background:rgba(5,14,42,.42);
  color:#9ff7ff;
  font:500 24px/1 var(--font-display);
  box-shadow:inset 0 0 18px rgba(0,82,255,.16),0 0 16px rgba(90,174,186,.08);
  transition:transform .25s,background .25s,border-color .25s;
}
.home-page .foundation-details[open] summary::after{
  content:"−";
  transform:rotate(180deg);
  background:rgba(0,82,255,.18);
  border-color:rgba(143,241,255,.46);
}
.home-page .foundation-details-body{
  margin:0 16px;
  padding:18px 12px 24px;
  border-top:1px solid rgba(196,202,212,.1);
}
.home-page .foundation-details-body .clean-list,
.home-page .foundation-details-body .build-steps{
  margin:0;
  padding-left:24px;
}
.home-page .foundation-details-body li{
  margin:9px 0;
}
.home-page .foundation-card{
  position:relative;
  height:100%;
  min-height:0;
  padding:38px 34px;
  display:grid;
  place-items:center;
  align-self:stretch;
  isolation:isolate;
  overflow:hidden;
  border:1px solid rgba(159,116,216,.28);
  border-radius:34px;
  background:
    radial-gradient(circle at 18% 20%,rgba(255,255,255,.05),transparent 30%),
    radial-gradient(circle at 82% 78%,rgba(74,157,214,.07),transparent 38%),
    linear-gradient(135deg,rgba(22,16,67,.95),rgba(63,26,91,.74) 38%,rgba(24,42,104,.86) 68%,rgba(47,22,79,.92));
  background-size:220% 220%;
  backdrop-filter:blur(20px) saturate(1.08);
  box-shadow:
    0 30px 90px rgba(0,0,0,.46),
    inset 0 0 70px rgba(255,255,255,.025),
    0 0 34px rgba(125,48,178,.11),
    0 0 58px rgba(44,70,154,.08);
  animation:foundationAurora 8s ease-in-out infinite alternate;
}
.home-page .foundation-card::before{
  content:"";
  position:absolute;
  inset:-32%;
  z-index:0;
  background:conic-gradient(from 125deg,transparent 0 20%,rgba(255,255,255,.045) 28%,transparent 38% 61%,rgba(172,93,214,.06) 69%,transparent 80%);
  filter:blur(24px);
  opacity:.36;
  animation:foundationSheen 12s linear infinite;
}
.home-page .foundation-trace{
  position:absolute;
  inset:0;
  z-index:1;
  width:100%;
  height:100%;
  pointer-events:none;
  mix-blend-mode:screen;
}
.home-page .foundation-trace path{
  fill:none;
  stroke:rgba(202,252,255,.98);
  stroke-width:4.6;
  stroke-linecap:round;
  stroke-dasharray:24 16;
  vector-effect:non-scaling-stroke;
  filter:drop-shadow(0 0 4px rgba(255,255,255,.95)) drop-shadow(0 0 12px rgba(76,229,255,1)) drop-shadow(0 0 24px rgba(66,152,255,.8));
  animation:foundationDash 4.8s linear infinite;
}
.home-page .foundation-trace path:nth-child(2){
  stroke:rgba(194,127,255,.96);
  stroke-width:4.2;
  filter:drop-shadow(0 0 4px rgba(255,255,255,.82)) drop-shadow(0 0 13px rgba(151,75,255,.96)) drop-shadow(0 0 25px rgba(102,57,205,.78));
  animation-duration:6.2s;
  animation-direction:reverse;
}
.home-page .foundation-card-copy{
  position:relative;
  z-index:2;
  max-width:360px;
  text-align:center;
  text-shadow:0 2px 18px rgba(12,7,43,.68);
}
.home-page .foundation-card-copy .eyebrow{
  margin-bottom:18px;
  color:#dfe7ff;
  text-shadow:0 0 14px rgba(142,128,255,.42);
}
.home-page .foundation-card-copy h3{
  display:inline-block;
  margin:0 0 18px;
  font:500 clamp(23px,2.2vw,31px)/1.16 var(--font-display);
  font-style:italic;
  letter-spacing:-.018em;
  color:#f3f1ff;
  transform:rotate(-1.2deg);
  text-shadow:0 0 20px rgba(132,113,235,.24);
}
.home-page .foundation-card-copy p:last-child{
  margin:0;
  color:#d9d9eb;
  font-size:16px;
  line-height:1.65;
}
@keyframes foundationDash{
  to{stroke-dashoffset:-120}
}
@keyframes foundationAurora{
  0%{background-position:0% 25%}
  100%{background-position:100% 75%}
}
@keyframes foundationSheen{
  to{transform:rotate(360deg)}
}
@media(max-width:960px){
  .home-page .foundation-layout{
    grid-template-columns:1fr;
    gap:30px;
  }
  .home-page .foundation-card{
    width:min(100%,680px);
    min-height:360px;
    margin:0 auto;
  }
}
@media(max-width:640px){
  .home-page .foundation-section{padding:66px 0}
  .home-page .foundation-details summary{
    min-height:64px;
    padding:0 17px 0 19px;
    font-size:16px;
  }
  .home-page .foundation-details summary::after{
    width:32px;
    height:32px;
    font-size:21px;
  }
  .home-page .foundation-details-body{
    margin:0 10px;
    padding:16px 7px 20px;
  }
  .home-page .foundation-card{
    min-height:320px;
    padding:32px 22px;
    border-radius:28px;
  }
  .home-page .foundation-card-copy h3{font-size:24px}
  .home-page .foundation-card-copy p:last-child{font-size:15px;line-height:1.6}
}
@media(prefers-reduced-motion:reduce){
  .home-page .foundation-card,
  .home-page .foundation-card::before,
  .home-page .foundation-trace path{animation:none}
}

/* Vik primary action — deep ArchAI violet */
.home-page #vik-chat .vik-primary-actions .pill.primary{
  border:1px solid rgba(159,116,216,.34);
  color:#f4f2ff;
  background:
    radial-gradient(circle at 18% 20%,rgba(255,255,255,.055),transparent 34%),
    radial-gradient(circle at 82% 78%,rgba(74,157,214,.075),transparent 42%),
    linear-gradient(135deg,rgba(22,16,67,.98),rgba(63,26,91,.82) 38%,rgba(24,42,104,.9) 68%,rgba(47,22,79,.96));
  background-size:220% 220%;
  box-shadow:
    inset 0 0 28px rgba(255,255,255,.025),
    0 8px 24px rgba(0,0,0,.26),
    0 0 22px rgba(105,54,176,.1);
  animation:vikPrimaryAurora 8s ease-in-out infinite alternate;
}
.home-page #vik-chat .vik-primary-actions .pill.primary:hover{
  border-color:rgba(170,135,225,.5);
  box-shadow:
    inset 0 0 30px rgba(255,255,255,.035),
    0 12px 28px rgba(0,0,0,.32),
    0 0 28px rgba(105,54,176,.16);
}
@keyframes vikPrimaryAurora{
  0%{background-position:0% 25%}
  100%{background-position:100% 75%}
}
@media(prefers-reduced-motion:reduce){
  .home-page #vik-chat .vik-primary-actions .pill.primary{animation:none}
}