body.z-flow-ready {
  --page-progress: 0;
  --flow-x: 50%;
  --flow-y: 50%;
}

body.z-flow-ready #content {
  isolation: isolate;
}

body.z-flow-ready #content:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at var(--flow-x) var(--flow-y), rgba(var(--ar), .12), transparent 24rem),
    linear-gradient(180deg, transparent 0%, rgba(var(--ar), .045) 34%, transparent 68%);
  opacity: .7;
  transition: opacity .4s var(--ease);
}

body.z-flow-ready #content > * {
  position: relative;
  z-index: 1;
}

.z-flow-cursor {
  position: fixed;
  width: 18rem;
  height: 18rem;
  left: 0;
  top: 0;
  z-index: 4;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(var(--ar), .13), transparent 62%);
  mix-blend-mode: screen;
  opacity: .55;
  transform: translate3d(calc(var(--flow-x) - 50%), calc(var(--flow-y) - 50%), 0);
  transition: opacity .5s var(--ease);
}

.z-flow-rail {
  position: fixed;
  right: clamp(1rem, 2vw, 2rem);
  top: 50%;
  z-index: 90;
  width: 1px;
  height: 36vh;
  min-height: 220px;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, .06);
  pointer-events: none;
}

.z-flow-rail:before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: calc(var(--page-progress) * 100%);
  background: linear-gradient(180deg, transparent, rgba(var(--ar), .95));
  box-shadow: 0 0 24px rgba(var(--ar), .45);
}

.z-flow-dot {
  position: absolute;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .16);
  box-shadow: 0 0 0 6px rgba(255, 255, 255, .02);
  transform: translate(-50%, -50%);
  transition: background .35s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease);
}

.z-flow-dot.is-active {
  background: rgb(var(--ar));
  box-shadow: 0 0 0 7px rgba(var(--ar), .1), 0 0 28px rgba(var(--ar), .65);
  transform: translate(-50%, -50%) scale(1.25);
}

.z-section {
  --section-glow: .18;
}

.z-section:before {
  content: "";
  position: absolute;
  left: max(2rem, calc((100vw - 1200px) / 2 + 3.5rem));
  top: 0;
  width: 1px;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(var(--ar), var(--section-glow)), transparent);
  opacity: 0;
  transform: scaleY(.65);
  transform-origin: top;
  transition: opacity .7s var(--ease), transform .9s var(--ease);
}

.z-section.is-active:before {
  opacity: 1;
  transform: scaleY(1);
}

.z-section.is-active .section-index,
.z-section.is-active .showcase-cat,
.z-section.is-active .why-label {
  text-shadow: 0 0 24px rgba(var(--ar), .45);
}

.eco-card,
.os-card,
.process-step,
.why-col {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  --card-lift: 0px;
  position: relative;
  transform: perspective(900px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(var(--card-lift));
  transform-style: preserve-3d;
}

.eco-card,
.os-card,
.process-step,
.why-col,
.showcase-visual {
  will-change: transform;
}

.eco-card:after,
.os-card:after,
.process-step:after,
.why-col:after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at var(--px, 50%) var(--py, 50%), rgba(var(--ar), .16), transparent 18rem),
    linear-gradient(135deg, rgba(255, 255, 255, .07), transparent 34%);
  opacity: 0;
  transition: opacity .45s var(--ease);
}

.eco-card:hover,
.os-card:hover,
.process-step:hover,
.why-col:hover {
  --card-lift: -6px;
}

.eco-card:hover:after,
.os-card:hover:after,
.process-step:hover:after,
.why-col:hover:after,
.process-step.is-lit:after {
  opacity: 1;
}

.showcase-visual {
  isolation: isolate;
}

.showcase-visual:before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: 6;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(var(--ar), .3), transparent);
  opacity: 0;
  transform: translateX(-120%);
}

.showcase-item.is-active .showcase-visual:before,
.showcase-visual:hover:before {
  opacity: 1;
  animation: zScanner 2.8s var(--ease-s) infinite;
}

.showcase-visual:after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 7;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(var(--ar), .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--ar), .08) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: .16;
  mix-blend-mode: screen;
  animation: zGridDrift 14s linear infinite;
}

.showcase-grid {
  position: relative;
}

.showcase-grid:before {
  content: "";
  position: absolute;
  left: 50%;
  top: -4rem;
  bottom: -4rem;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(var(--ar), .32), transparent);
  opacity: .25;
}

.process-timeline:before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--ar), .6), transparent);
  transform: scaleX(var(--process-progress, 0));
  transform-origin: left;
  box-shadow: 0 0 30px rgba(var(--ar), .22);
  transition: transform .45s var(--ease);
}

.process-step {
  overflow: hidden;
}

.process-step.is-lit .process-num {
  text-shadow: 0 0 32px rgba(var(--ar), .7);
}

.z-cta {
  min-height: 110vh;
  overflow: hidden;
}

.z-cta:after {
  content: "";
  position: absolute;
  inset: auto -10% 0;
  height: 52%;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 70%, rgba(var(--ar), .18), transparent 58%),
    linear-gradient(180deg, transparent, rgba(var(--ar), .05));
}

.cta-content {
  position: relative;
  z-index: 3;
}

.zentr-finale {
  position: relative;
  z-index: 2;
  width: min(760px, 92vw);
  aspect-ratio: 1.9;
  margin: clamp(4rem, 9vw, 7rem) auto 0;
  border: 1px solid rgba(255, 255, 255, .08);
  background:
    radial-gradient(circle at 50% 50%, rgba(var(--ar), .16), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, .01));
  border-radius: 8px;
  box-shadow: 0 30px 100px rgba(0, 0, 0, .45), inset 0 0 80px rgba(var(--ar), .06);
  overflow: hidden;
}

.zentr-finale:before,
.zentr-finale:after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(var(--ar), .18);
  border-radius: 50%;
  opacity: .75;
}

.zentr-finale:after {
  inset: 26%;
  border-color: rgba(255, 255, 255, .1);
  animation: zPulseCore 3.4s ease-in-out infinite;
}

.finale-orbit {
  position: absolute;
  inset: 13%;
  border-radius: 50%;
  animation: zOrbit 22s linear infinite;
}

.finale-orbit--inner {
  inset: 29%;
  animation-duration: 14s;
  animation-direction: reverse;
}

.finale-orbit span {
  position: absolute;
  left: 50%;
  top: 50%;
  min-width: 5.4rem;
  padding: .42rem .7rem;
  border: 1px solid rgba(var(--ar), .28);
  border-radius: 999px;
  background: rgba(5, 8, 18, .82);
  color: rgba(232, 232, 240, .68);
  font-family: var(--fd);
  font-size: .56rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  transform:
    rotate(calc(var(--i) * 90deg))
    translateX(clamp(9rem, 28vw, 16rem))
    rotate(calc(var(--i) * -90deg));
  box-shadow: 0 0 24px rgba(var(--ar), .12);
}

.finale-orbit--inner span {
  transform:
    rotate(calc(var(--i) * 120deg))
    translateX(clamp(5.5rem, 16vw, 9rem))
    rotate(calc(var(--i) * -120deg));
}

.finale-core {
  position: absolute;
  left: 50%;
  top: 50%;
  display: flex;
  width: min(17rem, 58vw);
  height: min(17rem, 58vw);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  border-radius: 50%;
  border: 1px solid rgba(var(--ar), .32);
  background: radial-gradient(circle, rgba(10, 15, 34, .95), rgba(0, 0, 0, .78) 70%);
  box-shadow: 0 0 80px rgba(var(--ar), .22), inset 0 0 45px rgba(var(--ar), .1);
  transform: translate(-50%, -50%);
}

.core-kicker,
.core-state {
  color: rgba(232, 232, 240, .42);
  font-size: .58rem;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.finale-core strong {
  color: #fff;
  font-family: var(--fd);
  font-size: clamp(1.65rem, 4vw, 2.7rem);
  letter-spacing: .12em;
}

.finale-console {
  position: absolute;
  left: 1.2rem;
  right: 1.2rem;
  bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: .8rem;
  min-height: 2.8rem;
  padding: .75rem 1rem;
  border: 1px solid rgba(255, 255, 255, .07);
  background: rgba(0, 0, 0, .45);
  color: rgba(232, 232, 240, .62);
  font-family: var(--fd);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.console-signal {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgb(var(--ar));
  box-shadow: 0 0 18px rgba(var(--ar), .8);
  flex: 0 0 auto;
}

.finale-console p {
  margin: 0;
  line-height: 1.5;
}

@keyframes zScanner {
  to {
    transform: translateX(120%);
  }
}

@keyframes zGridDrift {
  to {
    background-position: 42px 42px;
  }
}

@keyframes zOrbit {
  to {
    transform: rotate(360deg);
  }
}

@keyframes zPulseCore {
  50% {
    transform: scale(.86);
    opacity: .32;
  }
}

@media (max-width: 960px) {
  .z-flow-rail,
  .z-flow-cursor,
  .showcase-grid:before {
    display: none;
  }

  .z-section:before {
    left: 2rem;
  }

  .process-timeline:before {
    top: 0;
    bottom: 0;
    left: 2rem;
    width: 1px;
    height: auto;
    right: auto;
    transform: scaleY(var(--process-progress, 0));
    transform-origin: top;
  }
}

@media (max-width: 600px) {
  .z-cta {
    min-height: 92vh;
  }

  .zentr-finale {
    aspect-ratio: .86;
    margin-top: 3.5rem;
  }

  .zentr-finale:before {
    inset: 8%;
  }

  .zentr-finale:after {
    inset: 22%;
  }

  .finale-orbit {
    inset: 12%;
  }

  .finale-orbit span {
    min-width: auto;
    padding: .36rem .58rem;
    font-size: .48rem;
    transform:
      rotate(calc(var(--i) * 90deg))
      translateX(38vw)
      rotate(calc(var(--i) * -90deg));
  }

  .finale-orbit--inner span {
    transform:
      rotate(calc(var(--i) * 120deg))
      translateX(24vw)
      rotate(calc(var(--i) * -120deg));
  }

  .finale-console {
    align-items: flex-start;
    font-size: .52rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .z-flow-cursor,
  .z-flow-rail,
  .showcase-visual:before,
  .showcase-visual:after,
  .finale-orbit,
  .zentr-finale:after {
    animation: none !important;
    transition: none !important;
  }
}