/* Golden sunset — Founding Circle + Foundation (Ahimsa, About)
   Watercolor vaporwave bleed: warm orange dusk, integrated sun, softer stripes */

body.founding-page .vapor-scene,
body.foundation-sunset .vapor-scene {
  background: linear-gradient(
    175deg,
    #1a0804 0%,
    #3d1206 10%,
    #6b2808 22%,
    #a83e0c 36%,
    #d45a12 48%,
    #e86a14 56%,
    #c44e10 66%,
    #7a2a0a 78%,
    #3d1408 88%,
    #1a0804 100%
  );
  animation: sunset-breathe 24s ease-in-out infinite alternate;
}

/* Kill default purple/teal vapor overlays on sunset pages */
body.founding-page .vapor-scene::before,
body.foundation-sunset .vapor-scene::before {
  opacity: 0.06;
  background-image:
    linear-gradient(rgba(234, 88, 12, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(251, 146, 60, 0.1) 1px, transparent 1px);
  filter: hue-rotate(25deg) blur(0.4px);
}

body.founding-page .vapor-scene::after,
body.foundation-sunset .vapor-scene::after {
  background:
    radial-gradient(ellipse 90% 40% at 50% 65%, rgba(234, 88, 12, 0.22), transparent 72%),
    radial-gradient(ellipse 60% 30% at 30% 40%, rgba(251, 191, 36, 0.12), transparent 70%),
    radial-gradient(ellipse 50% 25% at 75% 35%, rgba(220, 38, 38, 0.08), transparent 65%);
  mix-blend-mode: soft-light;
  animation: watercolor-drift 28s ease-in-out infinite alternate;
}

@keyframes watercolor-drift {
  0% { transform: translateX(-1%) scale(1); opacity: 0.75; }
  50% { transform: translateX(1.5%) scale(1.03); opacity: 0.95; }
  100% { transform: translateX(-0.5%) scale(1.01); opacity: 0.8; }
}

@keyframes sunset-breathe {
  0% { filter: hue-rotate(0deg) saturate(1.02) brightness(0.88); }
  50% { filter: hue-rotate(5deg) saturate(1.08) brightness(0.92); }
  100% { filter: hue-rotate(-4deg) saturate(1) brightness(0.86); }
}

body.founding-page .vapor-sun,
body.foundation-sunset .vapor-sun {
  width: min(380px, 52vw);
  height: min(380px, 52vw);
  top: 14%;
  opacity: 0.42;
  mix-blend-mode: soft-light;
  background: radial-gradient(
    circle at 42% 38%,
    rgba(255, 247, 237, 0.75) 0%,
    rgba(253, 186, 116, 0.65) 18%,
    rgba(251, 146, 60, 0.55) 38%,
    rgba(234, 88, 12, 0.4) 55%,
    rgba(180, 60, 10, 0.15) 72%,
    transparent 90%
  );
  box-shadow:
    0 0 100px rgba(234, 88, 12, 0.35),
    0 0 180px rgba(251, 146, 60, 0.2);
  animation: sunset-sun-pulse 18s ease-in-out infinite alternate;
}

@keyframes sunset-sun-pulse {
  0% { transform: translateX(-50%) scale(1); }
  100% { transform: translateX(-50%) scale(1.04); }
}

body.founding-page .vapor-sun::after,
body.foundation-sunset .vapor-sun::after {
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 10px,
    rgba(60, 24, 8, 0.1) 10px,
    rgba(60, 24, 8, 0.1) 14px
  );
  mix-blend-mode: soft-light;
  opacity: 0.55;
  animation: sunset-scan 14s linear infinite;
}

@keyframes sunset-scan {
  0% { transform: translateY(0); }
  100% { transform: translateY(18px); }
}

body.founding-page .grid-floor,
body.foundation-sunset .grid-floor {
  opacity: 0.22;
  filter: hue-rotate(18deg) saturate(1.1) brightness(0.8);
}

body.founding-page .grid-floor-mirror,
body.foundation-sunset .grid-floor-mirror {
  opacity: 0.1;
  filter: hue-rotate(20deg) saturate(0.95) brightness(0.75);
}

body.foundation-sunset {
  --teal: #fdba74;
  --gold-soft: #fed7aa;
  --muted: #fbbf24;
  --border: rgba(234, 88, 12, 0.32);
}

body.foundation-sunset .foundation-hero h1,
body.foundation-sunset .foundation-article h2 {
  color: #fdba74;
  text-shadow: 0 0 20px rgba(234, 88, 12, 0.35);
}

body.foundation-sunset .foundation-hero .foundation-sub {
  color: #fb923c;
}
