.sphere-experience {
  --sphere-x: 50%;
  --sphere-y: 50%;
  --open: 0;
  position: relative;
  height: clamp(560px, 42vw, 640px);
  max-width: 800px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at var(--sphere-x) var(--sphere-y), rgba(232, 0, 90, 0.12), transparent 26%),
    radial-gradient(circle at 78% 24%, rgba(0, 180, 216, 0.08), transparent 28%),
    linear-gradient(rgba(242, 239, 233, 0.042) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 239, 233, 0.042) 1px, transparent 1px),
    rgba(9, 9, 9, 0.62);
  background-size: auto, auto, 38px 38px, 38px 38px, auto;
  overflow: hidden;
  isolation: isolate;
}

.sphere-experience::before,
.sphere-experience::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.sphere-experience::before {
  inset: 26px;
  z-index: 0;
  border: 1px solid rgba(242, 239, 233, 0.08);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 82% 68%, 82% 100%, 0 100%);
}

.sphere-experience::after {
  right: 30px;
  bottom: 30px;
  z-index: 1;
  width: 34%;
  height: 26%;
  border-right: 1px solid rgba(0, 180, 216, 0.34);
  border-bottom: 1px solid rgba(232, 0, 90, 0.34);
}

.sphere-stage {
  position: absolute;
  inset: 8% 10% 9% 12%;
  z-index: 1;
  display: grid;
  place-items: center;
  transform:
    translate3d(calc(var(--tilt-x, 0) * 1px), calc(var(--tilt-y, 0) * 1px), 0)
    scale(calc(0.9 + (var(--open) * 0.07)));
  transition: transform 0.45s ease;
}

.sphere-core {
  position: relative;
  display: grid;
  width: clamp(350px, 28vw, 400px);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(232, 0, 90, 0.86);
  border-radius: 50%;
  background:
    radial-gradient(circle at 38% 34%, rgba(242, 239, 233, 0.22), transparent 8%),
    radial-gradient(circle, rgba(232, 0, 90, 0.28), rgba(232, 0, 90, 0.08) 42%, rgba(7, 7, 7, 0.22) 68%, transparent 70%);
  box-shadow:
    0 0 0 calc(14px + (var(--open) * 24px)) rgba(232, 0, 90, 0.025),
    0 0 calc(28px + (var(--open) * 20px)) rgba(232, 0, 90, 0.16);
}

.sphere-core::before,
.sphere-core::after,
.sphere-core i,
.sphere-core b {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.sphere-core::before {
  inset: 18%;
  border: 1px solid rgba(242, 239, 233, 0.16);
  transform: rotateX(68deg) rotateZ(-18deg);
}

.sphere-core::after {
  inset: 9%;
  border: 1px solid rgba(0, 180, 216, 0.22);
  transform: rotateX(72deg) rotateY(42deg) rotateZ(10deg);
}

.sphere-core i {
  inset: 32%;
  border: 1px solid rgba(242, 239, 233, 0.28);
  background: rgba(7, 7, 7, 0.28);
}

.sphere-core b {
  width: 9px;
  height: 9px;
  background: var(--accent);
  box-shadow:
    32px -18px 0 rgba(242, 239, 233, 0.58),
    -42px 26px 0 rgba(0, 180, 216, 0.6),
    -24px -46px 0 rgba(242, 239, 233, 0.42),
    54px 38px 0 rgba(232, 0, 90, 0.64);
}

.sphere-shell {
  position: absolute;
  width: clamp(410px, 34vw, 500px);
  aspect-ratio: 1;
  border: 1px solid rgba(242, 239, 233, 0.13);
  border-radius: 50%;
  transform-origin: center;
  opacity: calc(0.3 + (var(--open) * 0.4));
  transition: opacity 0.42s ease, transform 0.42s ease;
}

.shell-a {
  transform: rotateX(68deg) rotateZ(calc(-24deg - (var(--open) * 18deg))) scale(calc(0.86 + (var(--open) * 0.18)));
}

.shell-b {
  width: clamp(500px, 40vw, 620px);
  border-color: rgba(232, 0, 90, 0.18);
  transform: rotateX(76deg) rotateY(42deg) rotateZ(calc(18deg + (var(--open) * 26deg))) scale(calc(0.78 + (var(--open) * 0.24)));
}

.shell-c {
  width: clamp(570px, 46vw, 700px);
  border-color: rgba(0, 180, 216, 0.13);
  transform: rotateX(62deg) rotateY(-28deg) rotateZ(calc(58deg - (var(--open) * 22deg))) scale(calc(0.72 + (var(--open) * 0.3)));
}

.orbit-point {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid rgba(242, 239, 233, 0.58);
  border-radius: 50%;
  background: rgba(7, 7, 7, 0.9);
  box-shadow: 0 0 22px rgba(232, 0, 90, 0.26);
  opacity: calc(0.16 + (var(--open) * 0.72));
  transform: scale(calc(0.66 + (var(--open) * 0.44)));
  transition: opacity 0.34s ease, transform 0.34s ease;
}

.orbit-start { top: 27%; left: 14%; }
.orbit-restart { top: 18%; right: 16%; }
.orbit-accelerator { right: 18%; bottom: 22%; }

.sphere-copy {
  position: absolute;
  z-index: 3;
  left: 30px;
  bottom: 28px;
  display: grid;
  gap: 4px;
  max-width: 210px;
}

.sphere-copy span,
.sphere-copy small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.sphere-copy strong {
  color: var(--text);
  font-size: 24px;
  line-height: 1;
}

.sphere-nodes {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.sphere-node {
  position: absolute;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  width: clamp(142px, 12vw, 176px);
  min-height: 112px;
  align-content: start;
  gap: 5px 9px;
  border: 1px solid rgba(242, 239, 233, 0.18);
  background: rgba(7, 7, 7, 0.68);
  padding: 12px;
  pointer-events: auto;
  transition: border-color 0.22s ease, background 0.22s ease, opacity 0.22s ease, transform 0.22s ease;
}

.sphere-node::before {
  content: "";
  position: absolute;
  top: 50%;
  width: clamp(50px, 8vw, 112px);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232, 0, 90, 0.72), rgba(0, 180, 216, 0.22));
  opacity: calc(0.34 + (var(--open) * 0.54));
  pointer-events: none;
}

.sphere-icon {
  position: relative;
  grid-row: span 4;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid rgba(232, 0, 90, 0.72);
  border-radius: 50%;
}

.sphere-icon::before,
.sphere-icon::after {
  content: "";
  display: block;
  position: absolute;
  background: var(--accent);
}

.sphere-icon::before {
  width: 10px;
  height: 1px;
}

.sphere-icon::after {
  width: 1px;
  height: 10px;
}

.sphere-node span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.sphere-node strong {
  font-size: 17px;
  line-height: 1;
}

.sphere-node small,
.sphere-node em {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.28;
}

.sphere-node em {
  color: var(--text);
  font-style: normal;
  font-weight: 800;
  text-transform: uppercase;
}

.js .sphere-node small,
.js .sphere-node em {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.24s ease, opacity 0.24s ease;
}

.no-js .sphere-node small,
.no-js .sphere-node em,
.sphere-node:hover small,
.sphere-node:hover em,
.sphere-node:focus-visible small,
.sphere-node:focus-visible em,
.sphere-experience.is-engaged .sphere-node small,
.sphere-experience.is-engaged .sphere-node em,
.sphere-experience[data-active="start"] .node-start small,
.sphere-experience[data-active="start"] .node-start em,
.sphere-experience[data-active="restart"] .node-restart small,
.sphere-experience[data-active="restart"] .node-restart em,
.sphere-experience[data-active="accelerator"] .node-accelerator small,
.sphere-experience[data-active="accelerator"] .node-accelerator em {
  max-height: 58px;
  opacity: 1;
}

.sphere-node:hover,
.sphere-node:focus-visible,
.sphere-experience.is-engaged .sphere-node,
.sphere-experience[data-active="start"] .node-start,
.sphere-experience[data-active="restart"] .node-restart,
.sphere-experience[data-active="accelerator"] .node-accelerator {
  border-color: var(--accent);
  background: rgba(20, 20, 20, 0.9);
  transform: translateY(-3px);
}

.sphere-experience[data-active] .sphere-node {
  opacity: 0.5;
}

.sphere-experience[data-active="start"] .node-start,
.sphere-experience[data-active="restart"] .node-restart,
.sphere-experience[data-active="accelerator"] .node-accelerator {
  opacity: 1;
}

.sphere-experience[data-active="start"] .orbit-start,
.sphere-experience[data-active="restart"] .orbit-restart,
.sphere-experience[data-active="accelerator"] .orbit-accelerator {
  border-color: var(--accent);
  background: var(--accent);
  transform: scale(1.35);
}

.node-start {
  top: 17%;
  left: 5%;
}

.node-start::before {
  left: 100%;
}

.node-restart {
  top: 10%;
  right: 5%;
}

.node-restart::before,
.node-accelerator::before {
  right: 100%;
  transform: rotate(180deg);
}

.node-accelerator {
  right: 8%;
  bottom: 12%;
}

.sphere-experience:hover,
.sphere-experience:focus-within,
.sphere-experience.is-engaged {
  --open: 1;
}

.path-card {
  position: relative;
  overflow: hidden;
}

.path-card::before {
  content: "";
  position: absolute;
  inset: 18px 18px auto auto;
  width: 58px;
  height: 58px;
  border: 1px solid rgba(232, 0, 90, 0.44);
  border-radius: 50%;
  opacity: 0.72;
}

.path-card::after {
  content: "";
  position: absolute;
  inset: 45px 76px auto auto;
  width: 72px;
  height: 1px;
  background: linear-gradient(90deg, rgba(232, 0, 90, 0.72), transparent);
  opacity: 0.62;
}

@media (prefers-reduced-motion: no-preference) {
  .sphere-experience.is-in-view .sphere-stage {
    animation: sphere-breathe 8s ease-in-out infinite;
  }

  .sphere-experience.is-engaged .shell-a,
  .sphere-experience:focus-within .shell-a {
    animation: shell-drift-a 12s linear infinite;
  }

  .sphere-experience.is-engaged .shell-b,
  .sphere-experience:focus-within .shell-b {
    animation: shell-drift-b 15s linear infinite;
  }
}

@keyframes sphere-breathe {
  0%, 100% { filter: saturate(0.95); }
  50% { filter: saturate(1.03); }
}

@keyframes shell-drift-a {
  to { transform: rotateX(68deg) rotateZ(336deg) scale(1.04); }
}

@keyframes shell-drift-b {
  to { transform: rotateX(76deg) rotateY(42deg) rotateZ(404deg) scale(1.02); }
}

@media (prefers-reduced-motion: reduce) {
  .sphere-experience {
    --open: 1;
  }

  .sphere-stage,
  .sphere-shell,
  .sphere-node,
  .sphere-node small,
  .sphere-node em,
  .orbit-point {
    animation: none;
    transition: none;
  }

  .js .sphere-node small,
  .js .sphere-node em {
    max-height: 58px;
    opacity: 1;
  }
}

@media (max-width: 980px) {
  .sphere-experience {
    height: clamp(500px, 60vw, 580px);
    max-width: 760px;
  }

  .sphere-core {
    width: clamp(300px, 34vw, 350px);
  }

  .sphere-shell {
    width: clamp(360px, 44vw, 450px);
  }

  .shell-b {
    width: clamp(430px, 52vw, 540px);
  }

  .shell-c {
    width: clamp(500px, 60vw, 620px);
  }

  .sphere-node {
    width: clamp(140px, 18vw, 168px);
  }
}

@media (max-width: 640px) {
  .sphere-experience {
    --open: 0.65;
    height: 520px;
    max-width: none;
  }

  .sphere-stage {
    inset: 28px 12px auto;
    height: 260px;
    transform: none;
  }

  .sphere-core {
    width: clamp(220px, 62vw, 250px);
  }

  .sphere-shell {
    width: 270px;
  }

  .shell-b {
    width: 320px;
  }

  .shell-c {
    width: 360px;
  }

  .sphere-nodes {
    inset: auto 14px 24px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .sphere-node {
    position: relative;
    inset: auto;
    width: auto;
    min-height: 94px;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 4px;
    padding: 10px 7px;
    text-align: center;
  }

  .sphere-node::before,
  .orbit-point {
    display: none;
  }

  .js .sphere-node small,
  .js .sphere-node em {
    max-height: 0;
    opacity: 0;
  }

  .sphere-experience[data-active="start"] .node-start small,
  .sphere-experience[data-active="start"] .node-start em,
  .sphere-experience[data-active="restart"] .node-restart small,
  .sphere-experience[data-active="restart"] .node-restart em,
  .sphere-experience[data-active="accelerator"] .node-accelerator small,
  .sphere-experience[data-active="accelerator"] .node-accelerator em {
    max-height: 58px;
    opacity: 1;
  }

  .sphere-node span {
    font-size: 9px;
  }

  .sphere-node strong {
    font-size: 14px;
  }

  .sphere-node small,
  .sphere-node em {
    font-size: 11px;
    line-height: 1.25;
  }

  .node-start {
    top: auto;
    left: auto;
  }

  .node-restart {
    top: auto;
    right: auto;
  }

  .node-accelerator {
    right: auto;
    bottom: auto;
  }

  .sphere-copy {
    left: 20px;
    top: 298px;
    bottom: auto;
  }
}