/* Test page only — brain hub + spider legs to roadmap pillars (scoped via body.page-brain-spider) */

body.page-brain-spider {
  background-image: none;
  background-color: #040b1a;
  background-attachment: scroll;
}

body.page-brain-spider::before {
  opacity: 0.35;
  background:
    radial-gradient(ellipse 90% 60% at 50% 35%, rgba(91, 140, 255, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 50% at 20% 80%, rgba(74, 222, 128, 0.08), transparent 50%),
    radial-gradient(ellipse 70% 50% at 85% 75%, rgba(248, 164, 53, 0.1), transparent 50%);
  mix-blend-mode: screen;
}

.page-brain-spider .site-header {
  background: rgba(4, 11, 26, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(91, 140, 255, 0.12);
}

.page-brain-spider .hero.hero--compact {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: clamp(0.5rem, 2vw, 1rem);
}

.page-brain-spider .hero.hero--compact h1 {
  color: var(--text);
}

.page-brain-spider .sovereign-copy-block {
  position: relative;
  z-index: 1;
}

.page-brain-spider .sovereign-copy-block h2 {
  color: var(--text);
}

.page-brain-spider .sovereign-copy-block h2 + p {
  margin-top: 0;
}

.page-brain-spider .sovereign-copy-block > h2:not(:first-child) {
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid var(--border);
}

.page-brain-spider .sovereign-copy-block ul ul {
  margin: var(--s-3) 0 var(--s-4);
  padding-left: 1.25rem;
  list-style: disc;
}

.page-brain-spider .sovereign-copy-block ul ul li {
  color: var(--muted);
  margin-bottom: var(--s-2);
}

.brain-spider-stage {
  position: relative;
  z-index: 1;
  margin-top: clamp(0.5rem, 2vw, 1.25rem);
  padding: clamp(1.5rem, 3vw, 2.5rem) 0 clamp(2.5rem, 5vw, 4rem);
  min-height: min(92vh, 1020px);
  overflow: visible;
  background: linear-gradient(
    180deg,
    #030818 0%,
    #071a3d 38%,
    #051022 72%,
    #02060f 100%
  );
  border-block: 1px solid rgba(91, 140, 255, 0.1);
  box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.45);
}

.brain-spider-stage__inner {
  position: relative;
  width: 100%;
  max-width: none;
  margin-inline: auto;
  padding-inline: clamp(0.35rem, 1.5vw, 1rem);
  min-height: min(88vh, 960px);
  overflow: visible;
}

/* SVG legs — drawn under UI */
.brain-spider-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  z-index: 4;
  display: none;
}

.brain-spider-leg {
  fill: none;
  stroke-width: 4.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-miterlimit: 1.5;
  opacity: 0.94;
  vector-effect: non-scaling-stroke;
  transition: opacity 0.35s ease, stroke-width 0.35s ease, filter 0.35s ease;
  filter: drop-shadow(0 0 10px currentColor) drop-shadow(0 0 18px currentColor);
  mix-blend-mode: screen;
}

.brain-spider-leg.is-hot {
  opacity: 1;
  stroke-width: 6;
  filter: drop-shadow(0 0 16px currentColor) drop-shadow(0 0 28px currentColor);
}

/* Flow overlay: pulse segment travels along the connector */
.brain-spider-flow {
  fill: none;
  stroke-width: 6.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.12;
  pointer-events: none;
  stroke-dasharray: 26 280;
  filter: drop-shadow(0 0 12px currentColor) drop-shadow(0 0 24px currentColor);
  mix-blend-mode: screen;
}

.brain-spider-flow.flow-fwd {
  opacity: 0.95;
  animation: brain-flow-forward 820ms ease-out 1;
}

.brain-spider-flow.flow-rev {
  opacity: 0.95;
  animation: brain-flow-reverse 780ms ease-out 1;
}

@keyframes brain-flow-forward {
  0% {
    stroke-dashoffset: 0;
    opacity: 0.25;
  }
  22% {
    opacity: 1;
  }
  100% {
    stroke-dashoffset: -330;
    opacity: 0.08;
  }
}

@keyframes brain-flow-reverse {
  0% {
    stroke-dashoffset: -330;
    opacity: 0.25;
  }
  22% {
    opacity: 1;
  }
  100% {
    stroke-dashoffset: 0;
    opacity: 0.08;
  }
}

.brain-spider-core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  /* ~full-viewport presence (matches global body background-size: cover feel) */
  width: min(118vw, 1500px);
  max-width: none;
  pointer-events: none;
  transition: transform 0.2s ease-out;
}

@media (max-width: 720px) {
  .brain-spider-core {
    width: min(130vw, 720px);
  }
}

/* Isolate brain: hide outer “circuit” lines by masking to central mass — tune % if art changes */
.brain-spider-core__img {
  width: 100%;
  height: auto;
  display: block;
  -webkit-mask-image: radial-gradient(
    ellipse 52% 58% at 50% 46%,
    #000 0%,
    #000 58%,
    transparent 72%
  );
  mask-image: radial-gradient(
    ellipse 52% 58% at 50% 46%,
    #000 0%,
    #000 58%,
    transparent 72%
  );
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  filter: saturate(1.08) contrast(1.05);
}

.brain-spider-core__ring {
  position: absolute;
  inset: -8%;
  border-radius: 50%;
  border: 1px solid rgba(91, 140, 255, 0.25);
  box-shadow:
    0 0 40px rgba(91, 140, 255, 0.15),
    inset 0 0 50px rgba(91, 140, 255, 0.06);
  pointer-events: none;
  animation: brain-pulse 5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .brain-spider-core__ring {
    animation: none;
  }
}

@keyframes brain-pulse {
  0%,
  100% {
    opacity: 0.65;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.02);
  }
}

/* Roadmap-style pillars — title-only teaser; full copy in <dialog> */
.page-brain-spider .brain-spider-step.sovereign-flow__step {
  position: absolute;
  z-index: 5;
  flex: none;
  width: 12.5rem;
  max-width: min(48vw, 12.5rem);
  margin: 0;
  --pillar-height: clamp(16.5rem, 30vw, 20.5rem);
}

.page-brain-spider .sovereign-flow__shield.brain-spider-pillar__teaser {
  justify-content: center;
  text-align: center;
  padding: 2.1rem 0.85rem 2.85rem;
  overflow: hidden;
}

.brain-spider-pillar__photo {
  width: 4.35rem;
  height: 3.35rem;
  margin: 0 auto var(--s-3);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--svc-edge);
  box-shadow:
    0 0 14px var(--svc-glow),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.brain-spider-pillar__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 26%;
  display: block;
}

.page-brain-spider .brain-spider-pillar__teaser h3 {
  margin-bottom: var(--s-3);
  line-height: 1.35;
}

.page-brain-spider .brain-spider-pillar__teaser h3 strong {
  color: var(--text);
  font-weight: 800;
}

.page-brain-spider .brain-spider-pillar__tap-hint {
  margin: 0;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  opacity: 0.92;
}

/* Wider pop-outs for long lists */
.brain-spider-dialog__inner {
  max-width: min(42rem, 100%) !important;
}

.brain-spider-dialog__list .brain-spider-dialog__sublist {
  margin: 0.45rem 0 0.35rem;
  padding-left: 1.15rem;
  list-style: disc;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.brain-spider-dialog__list .brain-spider-dialog__sublist li {
  margin-bottom: 0.35rem;
}

/* Pillar 3 pop-out has the longest copy; keep it scrollable */
#brain-pillar-3 .sovereign-flow__dialog-audit-body {
  max-height: min(72vh, 40rem);
  overflow-y: auto;
  padding-right: clamp(1rem, 2.2vw, 1.5rem);
}

.sovereign-flow__dialog-audit-img--brain-pillar-1 {
  object-fit: cover;
  object-position: center 38%;
  filter: brightness(1.03) contrast(1.08) saturate(1.08);
}
.sovereign-flow__dialog-audit-img--brain-pillar-2 {
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(1.03) contrast(1.08) saturate(1.08);
}
.sovereign-flow__dialog-audit-img--brain-pillar-3 {
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(1.03) contrast(1.08) saturate(1.08);
}
.sovereign-flow__dialog-audit-img--brain-pillar-4 {
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(1.03) contrast(1.08) saturate(1.08);
}

.brain-spider-step--tl {
  left: clamp(3.6rem, 9vw, 8.2rem);
  top: clamp(0.7rem, 2vh, 1.8rem);
}

.brain-spider-step--tr {
  right: clamp(3.6rem, 9vw, 8.2rem);
  left: auto;
  top: clamp(0.7rem, 2vh, 1.8rem);
}

.brain-spider-step--bl {
  left: clamp(3.6rem, 9vw, 8.2rem);
  bottom: clamp(0.7rem, 2vh, 1.8rem);
  top: auto;
}

.brain-spider-step--br {
  right: clamp(3.6rem, 9vw, 8.2rem);
  left: auto;
  bottom: clamp(0.7rem, 2vh, 1.8rem);
  top: auto;
}

@media (max-width: 720px) {
  .page-brain-spider .brain-spider-step.sovereign-flow__step {
    width: 10rem;
    max-width: min(44vw, 10rem);
    --pillar-height: clamp(14.5rem, 36vw, 18rem);
  }

  .page-brain-spider .sovereign-flow__shield.brain-spider-pillar__teaser {
    padding: 1.65rem 0.55rem 2.35rem;
  }
}

.page-brain-spider .site-footer {
  border-top: 1px solid rgba(91, 140, 255, 0.1);
}