.hero {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 72px;
  align-items: center;
  min-height: calc(100dvh - 83px);
  padding: 66px 58px 96px;
}

.hero h1 {
  max-width: 840px;
  margin: 18px 0 26px;
  font-family: "Instrument Serif", serif;
  font-size: 116px;
  font-weight: 400;
  line-height: 0.85;
}

.hero h1 em { color: var(--growth); font-style: italic; }

.hero-copy {
  max-width: 640px;
  color: var(--muted);
  font-size: 23px;
  line-height: 1.5;
}

.loop-stage {
  position: relative;
  min-height: 670px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(21, 21, 18, 0.045) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(rgba(21, 21, 18, 0.045) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--surface);
  overflow: hidden;
}

.flow-svg {
  position: absolute;
  inset: 82px 8%;
  width: 84%;
  height: calc(100% - 164px);
  overflow: visible;
}

.flow-track,
.flow-active {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.flow-track { stroke: rgba(21, 21, 18, 0.1); stroke-width: 18; }

.flow-active {
  stroke: var(--growth);
  stroke-width: 5;
  stroke-dasharray: 150 760;
  animation: flowAround 7.4s ease-in-out infinite;
}

.duality-card {
  position: absolute;
  width: 230px;
  min-height: 264px;
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(248, 246, 239, 0.88);
  box-shadow: 18px 18px 0 rgba(21, 21, 18, 0.045);
}

.thing-card { left: 7%; top: 50%; transform: translateY(-50%); animation: thingBreath 7.4s ease-in-out infinite; }
.maker-card { right: 7%; top: 50%; transform: translateY(-50%); animation: makerBreath 7.4s ease-in-out infinite; }

.duality-card h2 {
  margin: 14px 0 8px;
  font-size: 48px;
  line-height: 0.95;
}

.duality-card p:last-child { margin: 0; color: var(--muted); font-size: 15px; }

.object-window {
  position: relative;
  height: 92px;
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.product-object::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 20px;
  width: 42px;
  height: 42px;
  background: rgba(47, 122, 79, 0.68);
  box-shadow: 52px 10px 0 rgba(21, 21, 18, 0.18), 96px -4px 0 rgba(200, 70, 50, 0.42);
  animation: productBuild 7.4s ease-in-out infinite;
}

.product-object::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  height: 2px;
  background: var(--growth);
  transform-origin: left;
  animation: lineSignal 7.4s ease-in-out infinite;
}

.maker-object::before,
.maker-object::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.maker-object::before {
  top: 18px;
  width: 38px;
  height: 38px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--growth-soft);
}

.maker-object::after {
  bottom: 17px;
  width: 78px;
  height: 36px;
  border: 2px solid var(--ink);
  border-bottom: 0;
  border-radius: 42px 42px 0 0;
  animation: humanRise 7.4s ease-in-out infinite;
}

.center-knot {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 178px;
  height: 178px;
  transform: translate(-50%, -50%);
  border: 1px solid var(--line);
  background: rgba(248, 246, 239, 0.78);
  box-shadow: 0 0 0 18px rgba(248, 246, 239, 0.62);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
  text-transform: uppercase;
}

.center-knot::before {
  content: "";
  position: absolute;
  inset: -18px;
  border: 1px solid rgba(47, 122, 79, 0.28);
  border-radius: 999px;
  animation: sharedPulse 7.4s ease-in-out infinite;
}

.stage-caption {
  position: absolute;
  left: 50%;
  bottom: 36px;
  width: min(560px, calc(100% - 48px));
  transform: translateX(-50%);
  color: rgba(21, 21, 18, 0.58);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
  text-transform: uppercase;
}