/* Process radial study — editorial semicircle above the existing wavy rail.
   Surfaces follow --paper. Shadows use --pr-cast, never --ink. */

:root {
  --pr-cast: 11 23 52;
}

html[data-skin="nocturne"] {
  --pr-cast: 0 0 0;
}

#process-radial.process-radial {
  --pr-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pr-node: 68px;
  --pr-signal: var(--accent, #3468ac);
  --pr-mx: 0;
  --pr-my: 0;
  --pr-scroll: 0px;
  position: relative;
  overflow-x: clip;
  overflow-y: visible;
  padding-block: clamp(56px, 6vw, 88px) clamp(28px, 3vw, 40px);
  background: var(--paper, #F7F8FA);
  color: var(--ink);
  scroll-margin-top: 88px;
}

#process-radial .pr-shell {
  position: relative;
}

#process-radial .pr-heading {
  max-width: 46rem;
  margin: 0 0 clamp(8px, 1.2vw, 18px);
}

#process-radial .pr-heading .eyebrow {
  color: var(--pr-signal);
  margin: 0 0 8px;
  font-size: var(--type-micro);
}

#process-radial .pr-heading h2 {
  max-width: 16ch;
  margin: 0;
  font-family: var(--display);
  font-size: var(--section-display-size);
  font-weight: var(--heading-weight, 400);
  letter-spacing: -0.045em;
  line-height: 0.94;
  text-wrap: balance;
}

#process-radial .pr-heading h2 em {
  font-style: italic;
}

#process-radial .pr-lede {
  max-width: 46ch;
  margin: 14px 0 0;
  color: var(--muted);
  font-family: var(--body);
  font-size: var(--type-body);
  line-height: 1.85;
}

/* ---- Board ---- */
#process-radial .pr-board {
  position: relative;
  isolation: isolate;
  min-height: 0;
  max-height: 400px;
  margin-top: clamp(8px, 0.6vw, 16px);
  perspective: 1600px;
}

#process-radial .pr-desk {
  position: relative;
  width: 100%;
  min-height: inherit;
  aspect-ratio: 1200 / 720;
  transform: rotateX(calc(var(--pr-my) * -0.4deg)) rotateY(calc(var(--pr-mx) * 0.6deg));
  transform-style: preserve-3d;
}

#process-radial .pr-svg-desk,
#process-radial .pr-svg-mobile {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

#process-radial .pr-svg-mobile {
  display: none;
}

#process-radial .pr-guides {
  fill: none;
  stroke: color-mix(in srgb, var(--ink) 11%, transparent);
  stroke-width: 1;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  transform: translate3d(0, calc(var(--pr-scroll) * 0.45), 0);
}

#process-radial .pr-guide--mid {
  stroke: color-mix(in srgb, var(--ink) 8%, transparent);
}

#process-radial .pr-guide--inner {
  stroke: color-mix(in srgb, var(--ink) 6%, transparent);
}

#process-radial .pr-ticks {
  fill: none;
  stroke: color-mix(in srgb, var(--ink) 14%, transparent);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

#process-radial .pr-anchor {
  fill: var(--pr-signal);
  opacity: 0.42;
}

#process-radial .pr-well-layer {
  transform: translate3d(
    calc(var(--pr-mx) * 2px),
    calc(var(--pr-scroll) * 0.95 + var(--pr-my) * 3px),
    0
  );
}

#process-radial .pr-topo {
  fill: none;
  stroke: color-mix(in srgb, var(--ink) 13%, transparent);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

#process-radial .pr-topo-mesh {
  stroke: color-mix(in srgb, var(--ink) 8%, transparent);
}

#process-radial .pr-well-edge {
  fill: none;
  stroke: color-mix(in srgb, var(--ink) 12%, transparent);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

#process-radial .pr-base {
  fill: none;
  stroke: color-mix(in srgb, var(--ink) 16%, transparent);
  stroke-width: 1.15;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

#process-radial .pr-active {
  fill: none;
  stroke: var(--pr-signal);
  stroke-width: 2.15;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 1 10000;
  stroke-dashoffset: 1;
  opacity: 0;
}

#process-radial .pr-hover-seg {
  fill: none;
  stroke: var(--pr-signal);
  stroke-width: 1.4;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  opacity: 0;
  transition: opacity 180ms ease;
}

#process-radial.is-previewing .pr-hover-seg {
  opacity: 0.45;
}

#process-radial.is-live .pr-active {
  opacity: 1;
}

#process-radial.is-resetting .pr-active {
  opacity: 0;
  transition: opacity 520ms var(--pr-ease);
}

#process-radial .pr-head {
  fill: var(--pr-signal);
  stroke: color-mix(in srgb, var(--paper) 72%, #fff);
  stroke-width: 0.7;
  opacity: 0;
}

#process-radial .pr-well-copy {
  position: absolute;
  left: 50%;
  top: 59.5%;
  z-index: 1;
  width: min(220px, 34%);
  transform: translate(-50%, -50%) translate3d(
    calc(var(--pr-mx) * 2px),
    calc(var(--pr-scroll) * 0.95 + var(--pr-my) * 3px),
    0
  );
  text-align: center;
  pointer-events: none;
}

#process-radial .pr-well-copy span {
  display: block;
  color: color-mix(in srgb, var(--ink) 55%, transparent);
  font-family: var(--mono);
  font-size: 0.52rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  line-height: 1;
  text-transform: uppercase;
}

#process-radial .pr-well-copy span::before,
#process-radial .pr-well-copy span::after {
  display: block;
  width: 42px;
  height: 1px;
  margin: 8px auto;
  background: color-mix(in srgb, var(--ink) 16%, transparent);
  content: "";
}

#process-radial .pr-well-copy strong {
  display: block;
  margin-top: 2px;
  color: color-mix(in srgb, var(--ink) 72%, var(--pr-signal));
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  line-height: 1.35;
  text-transform: uppercase;
}

/* ---- Steps ---- */
#process-radial .pr-steps {
  position: absolute;
  inset: 0;
  z-index: 3;
  margin: 0;
  padding: 0;
  list-style: none;
}

#process-radial .pr-step {
  --pr-on: 0;
  position: absolute;
  left: var(--x, 50%);
  top: var(--y, 50%);
  width: 0;
  height: 0;
  color: var(--ink);
}

#process-radial .pr-hit {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  width: var(--pr-node);
  height: var(--pr-node);
  padding: 0;
  border: 0;
  background: transparent;
  transform: translate(-50%, -50%);
  cursor: pointer;
}

#process-radial .pr-step[data-pr-step="3"] {
  --pr-node: 74px;
}

#process-radial .pr-node {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  border-radius: 50%;
  background:
    linear-gradient(165deg,
      color-mix(in srgb, var(--surface) 100%, #fff) 0%,
      color-mix(in srgb, var(--paper) 78%, var(--surface)) 100%);
  box-shadow:
    0 14px 28px rgb(var(--pr-cast) / 0.06),
    0 3px 8px rgb(var(--pr-cast) / 0.07),
    inset 0 1px 0 rgb(255 255 255 / 0.72);
  color: color-mix(in srgb, var(--ink) 55%, var(--pr-signal));
  transform: translateY(0) scale(1);
  transition:
    transform 420ms var(--pr-ease),
    border-color 280ms ease,
    color 280ms ease,
    box-shadow 280ms ease,
    background 280ms ease;
}

#process-radial .pr-icon {
  width: 58%;
  height: 58%;
  overflow: visible;
  transform-origin: 50% 50%;
  transform-box: fill-box;
}

#process-radial .pr-icon .ps-pulse {
  opacity: 0;
  transform-origin: center;
  transform-box: fill-box;
}

#process-radial .pr-step.is-active .ps-pulse,
#process-radial .pr-step.is-focus .ps-pulse {
  opacity: 0.4;
}

#process-radial .pr-copy {
  position: absolute;
  z-index: 1;
  width: 13.6rem;
  pointer-events: none;
}

#process-radial .pr-num {
  display: block;
  color: color-mix(in srgb, var(--ink) calc(38% + var(--pr-on) * 22%), transparent);
  font-family: var(--mono);
  font-size: var(--type-meta);
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
  transition: color 280ms ease;
}

#process-radial .pr-title {
  display: block;
  margin-top: 5px;
  color: color-mix(in srgb, var(--ink) calc(72% + var(--pr-on) * 28%), transparent);
  font-family: var(--body);
  font-size: 0.98rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.1;
  transition: color 280ms ease;
}

#process-radial .pr-copy p {
  margin: 6px 0 0;
  color: color-mix(in srgb, var(--muted) calc(78% + var(--pr-on) * 22%), var(--ink));
  font-family: var(--body);
  font-size: 0.78rem;
  line-height: 1.38;
  transition: color 280ms ease;
}

#process-radial .pr-step[data-place="bl"] .pr-copy {
  top: 40px;
  left: 10px;
  width: 12.8rem;
  text-align: left;
}

#process-radial .pr-step[data-place="l"] .pr-copy {
  left: 42px;
  bottom: 36px;
  width: 12.2rem;
  text-align: left;
}

#process-radial .pr-step[data-place="tl"] .pr-copy {
  right: 22px;
  bottom: 44px;
  width: 13.4rem;
  text-align: right;
}

#process-radial .pr-step[data-place="t"] .pr-copy {
  bottom: 50px;
  left: 50%;
  width: 15.5rem;
  transform: translateX(-50%);
  text-align: center;
}

#process-radial .pr-step[data-place="tr"] .pr-copy {
  left: 22px;
  bottom: 44px;
  width: 13.4rem;
  text-align: left;
}

#process-radial .pr-step[data-place="r"] .pr-copy {
  right: 42px;
  bottom: 36px;
  width: 12.2rem;
  text-align: right;
}

#process-radial .pr-step[data-place="br"] .pr-copy {
  top: 40px;
  right: 10px;
  width: 13.2rem;
  text-align: right;
}

#process-radial .pr-approve {
  display: block;
  margin-top: 7px;
  color: var(--pr-signal);
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 280ms ease, transform 280ms var(--pr-ease);
}

#process-radial .pr-step--approve .pr-node::after {
  position: absolute;
  inset: -7px;
  border: 1px solid color-mix(in srgb, var(--pr-signal) 0%, transparent);
  border-radius: 50%;
  content: "";
  pointer-events: none;
  transition: border-color 320ms ease, opacity 320ms ease;
}

/* ---- Active / decay ---- */
#process-radial .pr-step.is-lit {
  --pr-on: 0.28;
}

#process-radial .pr-step.is-recent {
  --pr-on: 0.46;
}

#process-radial .pr-step.is-active,
#process-radial .pr-step.is-focus,
#process-radial .pr-step.is-preview {
  --pr-on: 1;
}

#process-radial .pr-step.is-lit .pr-node,
#process-radial .pr-step.is-recent .pr-node {
  border-color: color-mix(in srgb, var(--pr-signal) 22%, var(--ink) 8%);
  color: color-mix(in srgb, var(--ink) 42%, var(--pr-signal));
}

#process-radial .pr-step.is-active .pr-node,
#process-radial .pr-step.is-focus .pr-node {
  border-color: color-mix(in srgb, var(--pr-signal) 48%, transparent);
  background:
    linear-gradient(165deg,
      color-mix(in srgb, var(--surface) 100%, #fff) 0%,
      color-mix(in srgb, var(--paper) 86%, var(--pr-signal)) 100%);
  box-shadow:
    0 16px 32px rgb(var(--pr-cast) / 0.08),
    0 4px 10px rgb(var(--pr-cast) / 0.1),
    inset 0 1px 0 rgb(255 255 255 / 0.84);
  color: var(--pr-signal);
  transform: translateY(-2px) scale(1.03);
}

#process-radial .pr-step.is-active .pr-icon .ps-draw,
#process-radial .pr-step.is-focus .pr-icon .ps-draw {
  opacity: 1;
}

#process-radial .pr-step.is-arriving .pr-node {
  animation: pr-arrive 460ms var(--pr-ease) both;
}

#process-radial .pr-step.is-preview .pr-node {
  transform: translateY(-1px) scale(1.05);
  box-shadow:
    0 16px 30px rgb(var(--pr-cast) / 0.08),
    0 4px 10px rgb(var(--pr-cast) / 0.1),
    inset 0 1px 0 rgb(255 255 255 / 0.8);
}

#process-radial .pr-step--approve.is-active .pr-node::after,
#process-radial .pr-step--approve.is-focus .pr-node::after {
  border-color: color-mix(in srgb, var(--pr-signal) 42%, transparent);
}

#process-radial .pr-step--approve.is-active .pr-approve,
#process-radial .pr-step--approve.is-focus .pr-approve {
  opacity: 0.72;
  transform: none;
}

#process-radial .pr-hit:focus-visible {
  outline: 0;
}

#process-radial .pr-hit:focus-visible .pr-node {
  border-color: var(--pr-signal);
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--pr-signal) 22%, transparent),
    0 14px 28px rgb(var(--pr-cast) / 0.08);
}

/* Icon micro-motions — once on arrival */
#process-radial .pr-step.is-arriving[data-pr-icon="intake"] .pr-icon {
  animation: pr-icon-intake 480ms var(--pr-ease);
}
#process-radial .pr-step.is-arriving[data-pr-icon="research"] .pr-icon {
  animation: pr-icon-research 480ms var(--pr-ease);
}
#process-radial .pr-step.is-arriving[data-pr-icon="direction"] .pr-icon {
  animation: pr-icon-direction 520ms var(--pr-ease);
}
#process-radial .pr-step.is-arriving[data-pr-icon="generate"] .pr-icon {
  animation: pr-icon-generate 500ms var(--pr-ease);
}
#process-radial .pr-step.is-arriving[data-pr-icon="judge"] .pr-icon {
  animation: pr-icon-judge 520ms var(--pr-ease);
}
#process-radial .pr-step.is-arriving[data-pr-icon="iterate"] .pr-icon {
  animation: pr-icon-iterate 560ms var(--pr-ease);
}
#process-radial .pr-step.is-arriving[data-pr-icon="ship"] .pr-icon {
  animation: pr-icon-ship 500ms var(--pr-ease);
}

@keyframes pr-arrive {
  0% { transform: translateY(0) scale(1); }
  42% { transform: translateY(-3px) scale(1.06); }
  100% { transform: translateY(-2px) scale(1.03); }
}

@keyframes pr-icon-intake {
  0%, 100% { transform: translateY(0); }
  45% { transform: translateY(-1px); }
}

@keyframes pr-icon-research {
  0%, 100% { transform: rotate(0deg) scale(1); }
  40% { transform: rotate(-2.5deg) scale(1.05); }
}

@keyframes pr-icon-direction {
  0% { transform: rotate(0deg); }
  55% { transform: rotate(8deg); }
  100% { transform: rotate(0deg); }
}

@keyframes pr-icon-generate {
  0%, 100% { transform: scale(1); }
  40% { transform: scale(1.08); }
}

@keyframes pr-icon-judge {
  0% { transform: rotate(0deg); }
  55% { transform: rotate(10deg); }
  100% { transform: rotate(0deg); }
}

@keyframes pr-icon-iterate {
  0% { transform: rotate(0deg); }
  60% { transform: rotate(20deg); }
  100% { transform: rotate(0deg); }
}

@keyframes pr-icon-ship {
  0%, 100% { transform: translate(0, 0); }
  45% { transform: translate(2px, -2px); }
}

/* ---- Entrance ---- */
html.js #process-radial.is-pending .pr-heading > * {
  opacity: 0;
  transform: translateY(10px);
}

html.js #process-radial.is-in .pr-heading > * {
  opacity: 1;
  transform: none;
  transition: opacity 620ms var(--pr-ease), transform 620ms var(--pr-ease);
}

html.js #process-radial.is-in .pr-heading .eyebrow { transition-delay: 0ms; }
html.js #process-radial.is-in .pr-heading h2 { transition-delay: 70ms; }
html.js #process-radial.is-in .pr-heading .pr-lede { transition-delay: 160ms; }

html.js #process-radial.is-pending .pr-guides,
html.js #process-radial.is-pending .pr-well-edge,
html.js #process-radial.is-pending .pr-base,
html.js #process-radial.is-pending .pr-topo {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

html.js #process-radial.is-in .pr-guides,
html.js #process-radial.is-in .pr-well-edge,
html.js #process-radial.is-in .pr-base,
html.js #process-radial.is-in .pr-topo {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 900ms var(--pr-ease);
}

html.js #process-radial.is-pending .pr-well-copy,
html.js #process-radial.is-pending .pr-anchor,
html.js #process-radial.is-pending .pr-ticks {
  opacity: 0;
}

html.js #process-radial.is-in .pr-well-copy {
  opacity: 1;
  transition: opacity 700ms 220ms ease;
}

html.js #process-radial.is-in .pr-anchor {
  opacity: 0.42;
  transition: opacity 700ms 220ms ease;
}

html.js #process-radial.is-in .pr-ticks {
  opacity: 1;
  transition: opacity 700ms 220ms ease;
}

html.js #process-radial.is-pending .pr-step {
  opacity: 0;
}

html.js #process-radial.is-pending .pr-hit {
  transform: translate(-50%, -50%) translateY(4px) scale(0.94);
}

html.js #process-radial.is-in .pr-step {
  opacity: 1;
  transition: opacity 480ms calc(280ms + var(--i, 0) * 64ms) var(--pr-ease);
}

html.js #process-radial.is-in .pr-hit {
  transform: translate(-50%, -50%);
  transition: transform 480ms calc(280ms + var(--i, 0) * 64ms) var(--pr-ease);
}

/* ---- Tablet tighten ---- */
@media (max-width: 1180px) and (min-width: 981px) {
  #process-radial .pr-copy {
    width: 11.6rem;
  }

  #process-radial .pr-step[data-place="t"] .pr-copy {
    width: 13.2rem;
  }

  #process-radial .pr-copy p {
    font-size: 0.72rem;
  }

  #process-radial .pr-title {
    font-size: 0.9rem;
  }

  #process-radial {
    --pr-node: 62px;
  }

  #process-radial .pr-step[data-pr-step="3"] {
    --pr-node: 68px;
  }
}

/* ---- Mobile / tablet vertical ---- */
@media (max-width: 980px) {
  #process-radial.process-radial {
    padding-block: clamp(40px, 8vw, 56px);
    overflow: visible;
  }

  #process-radial .pr-heading {
    margin-bottom: 8px;
  }

  #process-radial .pr-heading h2 {
    max-width: 14ch;
    font-size: 40px;
  }

  #process-radial .pr-lede {
    max-width: none;
  }

  #process-radial .pr-board {
    min-height: 0;
    max-height: 400px;
    margin-top: 16px;
    perspective: none;
    overflow-x: clip;
    max-width: 100%;
  }

  #process-radial .pr-desk {
    min-height: 0;
    aspect-ratio: auto;
    transform: none;
  }

  #process-radial .pr-svg-desk,
  #process-radial .pr-well-copy {
    display: none;
  }

  #process-radial .pr-svg-mobile {
    display: block;
  }

  #process-radial .pr-steps {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: clamp(6px, 1.6vw, 14px);
    padding: 8px 0 18px;
  }

  #process-radial .pr-step {
    position: relative;
    left: auto;
    top: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--pr-node) minmax(0, 1fr);
    column-gap: 14px;
    align-items: center;
    width: 100%;
    height: auto;
    min-height: 118px;
  }

  #process-radial .pr-hit {
    position: relative;
    left: auto;
    top: auto;
    grid-row: 1;
    transform: none;
    justify-self: center;
  }

  #process-radial .pr-copy {
    position: relative;
    width: auto;
    max-width: 100%;
    min-width: 0;
    transform: none;
  }

  #process-radial .pr-step[data-place] .pr-copy {
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    width: auto;
    max-width: 100%;
    transform: none;
  }

  #process-radial .pr-step:nth-child(odd) .pr-hit {
    grid-column: 3;
  }

  #process-radial .pr-step:nth-child(odd) .pr-copy {
    grid-column: 1;
    grid-row: 1;
    justify-self: stretch;
    text-align: right;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
  }

  #process-radial .pr-step:nth-child(even) .pr-hit {
    grid-column: 1;
  }

  #process-radial .pr-step:nth-child(even) .pr-copy {
    grid-column: 3;
    grid-row: 1;
    justify-self: stretch;
    text-align: left;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
  }

  #process-radial {
    --pr-node: 58px;
  }

  #process-radial .pr-step[data-pr-step="3"] {
    --pr-node: 64px;
  }

  #process-radial .pr-title {
    font-size: 1rem;
  }

  #process-radial .pr-copy p {
    font-size: 0.82rem;
    line-height: 1.4;
  }

  html.js #process-radial.is-pending .pr-hit,
  html.js #process-radial.is-in .pr-hit {
    transform: none;
  }
}

@media (max-width: 430px) {
  #process-radial .pr-step {
    column-gap: 10px;
    min-height: 108px;
  }

  #process-radial .pr-copy p {
    font-size: 0.78rem;
  }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  #process-radial .pr-desk,
  #process-radial .pr-guides,
  #process-radial .pr-well-layer {
    transform: none !important;
  }

  /* Drop the parallax offset but keep the centring translate. */
  #process-radial .pr-well-copy {
    transform: translate(-50%, -50%) !important;
  }

  html.js #process-radial.is-pending .pr-heading > *,
  html.js #process-radial.is-pending .pr-step,
  html.js #process-radial.is-pending .pr-well-copy,
  html.js #process-radial.is-in .pr-heading > *,
  html.js #process-radial.is-in .pr-step {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html.js #process-radial.is-pending .pr-hit,
  html.js #process-radial.is-in .pr-hit {
    transform: translate(-50%, -50%);
    transition: none;
  }

  html.js #process-radial.is-pending .pr-guides,
  html.js #process-radial.is-pending .pr-base,
  html.js #process-radial.is-pending .pr-topo,
  html.js #process-radial.is-pending .pr-well-edge {
    stroke-dashoffset: 0;
  }

  #process-radial .pr-step.is-arriving .pr-node,
  #process-radial .pr-step.is-arriving .pr-icon {
    animation: none;
  }

  @media (max-width: 980px) {
    html.js #process-radial.is-pending .pr-hit,
    html.js #process-radial.is-in .pr-hit {
      transform: none;
    }
  }
}

html[data-skin="nocturne"] #process-radial.process-radial {
  background: var(--paper);
}

html[data-skin="nocturne"] #process-radial .pr-node {
  background:
    linear-gradient(165deg,
      color-mix(in srgb, var(--surface) 92%, #fff) 0%,
      color-mix(in srgb, var(--paper) 80%, var(--surface)) 100%);
  box-shadow:
    0 14px 28px rgb(var(--pr-cast) / 0.28),
    0 3px 8px rgb(var(--pr-cast) / 0.22),
    inset 0 1px 0 rgb(255 255 255 / 0.08);
}

/* A quiet instrument: the needle sweeps below the content and nodes. */
#process-radial .pr-needle { pointer-events: none; }
#process-radial .pr-needle line {
  stroke: url(#prNeedleGradient);
  stroke-linecap: round;
}
#process-radial .pr-needle-aura {
  stroke-width: 7;
  opacity: .28;
  filter: blur(3px);
}
#process-radial .pr-needle-core {
  stroke-width: 2.2;
  filter: drop-shadow(0 0 3px rgb(75 151 234 / .28));
}
#process-radial .pr-needle-hub {
  fill: var(--paper);
  stroke: color-mix(in srgb, var(--pr-signal) 35%, transparent);
  stroke-width: 1;
}
#process-radial .pr-needle-pin { fill: var(--pr-signal); }
@media (min-width: 981px) {
  #process-radial .pr-step[data-place="l"] .pr-copy {
    left: auto; right: 48px; bottom: -28px; width: 148px; text-align: right;
  }
  #process-radial .pr-step[data-place="r"] .pr-copy {
    right: auto; left: 48px; bottom: -28px; width: 148px; text-align: left;
  }
  #process-radial .pr-well-layer,
  #process-radial .pr-svg-desk .pr-head { display: none; }
  #process-radial .pr-well-copy { top: 94%; }
  #process-radial.is-live .pr-svg-desk .pr-active { opacity: .24; }
}
@media (prefers-reduced-motion: reduce) {
  #process-radial .pr-needle { display: none; }
}

/* ---------------------------------------------------------------------------
   Dimensional gauge.

   The rail is a rib standing off a recessed dial. Its form comes from one
   radial gradient read across the band radius (crevice -> crest -> silhouette)
   plus one linear key gradient for the light, which is fixed at top-left to
   match the pucks, the hero and the card treatments. No element strokes the
   same curve twice.
   --------------------------------------------------------------------------- */

#process-radial .pr-gauge-lift { fill: #16233d; fill-opacity: 0.08; }
#process-radial .pr-rail-cast { fill: #16233d; fill-opacity: 0.19; }
#process-radial .pr-plinth-cast { fill: #16233d; fill-opacity: 0.24; }

#process-radial .pr-tube-in { stop-color: #7d8da4; stop-opacity: 0.5; }
#process-radial .pr-tube-low { stop-color: #b2c0d0; stop-opacity: 0.6; }
#process-radial .pr-tube-crest { stop-color: #f8fafd; stop-opacity: 0.95; }
#process-radial .pr-tube-high { stop-color: #ccd7e3; stop-opacity: 0.82; }
#process-radial .pr-tube-out { stop-color: #90a1b6; stop-opacity: 0.58; }

#process-radial .pr-key-lit { stop-color: #ffffff; stop-opacity: 0.5; }
#process-radial .pr-key-mid { stop-color: #ffffff; stop-opacity: 0; }
#process-radial .pr-key-dark { stop-color: #2b3d57; stop-opacity: 0.22; }

#process-radial .pr-plinth-lit { stop-color: #ffffff; stop-opacity: 0.98; }
#process-radial .pr-plinth-hi { stop-color: #e7ecf3; stop-opacity: 0.95; }
#process-radial .pr-plinth-mid { stop-color: #bcc7d5; stop-opacity: 0.92; }
#process-radial .pr-plinth-dark { stop-color: #74849b; stop-opacity: 0.8; }

#process-radial .pr-hub-lit { stop-color: #ffffff; }
#process-radial .pr-hub-mid { stop-color: #eef1f6; }
#process-radial .pr-hub-dark { stop-color: #c2ccda; }

html[data-skin="nocturne"] #process-radial .pr-gauge-lift { fill: #000; fill-opacity: 0.5; }
html[data-skin="nocturne"] #process-radial .pr-rail-cast { fill: #000; fill-opacity: 0.62; }
html[data-skin="nocturne"] #process-radial .pr-plinth-cast { fill: #000; fill-opacity: 0.6; }

/* Nocturne carries the same form with luminosity instead of white. */
html[data-skin="nocturne"] #process-radial .pr-tube-in { stop-color: #24354d; stop-opacity: 0.85; }
html[data-skin="nocturne"] #process-radial .pr-tube-low { stop-color: #46617f; stop-opacity: 0.75; }
html[data-skin="nocturne"] #process-radial .pr-tube-crest { stop-color: #cadcf1; stop-opacity: 0.8; }
html[data-skin="nocturne"] #process-radial .pr-tube-high { stop-color: #7c98b8; stop-opacity: 0.68; }
html[data-skin="nocturne"] #process-radial .pr-tube-out { stop-color: #1b2a40; stop-opacity: 0.9; }

html[data-skin="nocturne"] #process-radial .pr-key-lit { stop-color: #dceaff; stop-opacity: 0.26; }
html[data-skin="nocturne"] #process-radial .pr-key-mid { stop-color: #dceaff; stop-opacity: 0; }
html[data-skin="nocturne"] #process-radial .pr-key-dark { stop-color: #000; stop-opacity: 0.5; }

html[data-skin="nocturne"] #process-radial .pr-plinth-lit { stop-color: #cfe2f6; stop-opacity: 0.62; }
html[data-skin="nocturne"] #process-radial .pr-plinth-hi { stop-color: #6b87a8; stop-opacity: 0.7; }
html[data-skin="nocturne"] #process-radial .pr-plinth-mid { stop-color: #34496a; stop-opacity: 0.82; }
html[data-skin="nocturne"] #process-radial .pr-plinth-dark { stop-color: #050b16; stop-opacity: 0.92; }

html[data-skin="nocturne"] #process-radial .pr-hub-lit { stop-color: #dae9fb; }
html[data-skin="nocturne"] #process-radial .pr-hub-mid { stop-color: #3d5170; }
html[data-skin="nocturne"] #process-radial .pr-hub-dark { stop-color: #101c30; }

/* The needle and hub read as hardware resting above the rail. */
#process-radial .pr-needle {
  filter: drop-shadow(1px 3px 4px rgb(var(--pr-cast) / 0.3));
}

#process-radial .pr-needle-hub {
  fill: url(#prHubDome);
  stroke: color-mix(in srgb, var(--pr-signal) 30%, transparent);
  stroke-width: 0.8;
}

@media (min-width: 981px) {
  /* On desktop the track hairline becomes the rail's specular crest — the one
     highlight along the band, softened so it reads as sheen rather than a line.
     It keeps the entrance draw-on that .pr-base already owns. */
  #process-radial .pr-svg-desk .pr-base {
    stroke: #ffffff;
    stroke-opacity: 0.55;
    stroke-width: 2.4;
    filter: blur(1.2px);
  }

  html[data-skin="nocturne"] #process-radial .pr-svg-desk .pr-base {
    stroke: #dcecff;
    stroke-opacity: 0.4;
  }
}