html {
  scroll-behavior: smooth;
}

.sources-list li,
#sources {
  scroll-margin-top: 64px;
}

canvas:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 4px;
}

@keyframes rowUp {
  from {
    opacity: 0;
    transform: translateY(12px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.8fr);
  gap: 40px;
  align-items: center;
  padding-top: 104px;
  padding-bottom: 88px;
}

.two-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.join-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}

.sensor-row {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.figure {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.statband {
  background: transparent;
}

/* Stat cards rather than a ruled row: three claims a partner can scan,
 each one self-contained. */
.statband .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  padding: 28px 0 20px;
}

.statband .cell {
  background: var(--surface);
  border: 1px solid var(--brand-line);
  border-radius: 8px;
  padding: 22px;
}

.statband .fig {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 800;
  font-size: clamp(30px, 3vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--text);
}

.statband .cap {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 10px 0 0;
  line-height: 1.55;
}

.statband .cite {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  padding: 12px 0 20px;
}

/* ---------- Our Process: the stage scenes ----------
 One small scene per stage, starring the mascot box (built in mainpage.js;
 the stepper around them is styled in design.css). Every colour is a theme
 token, so the scenes switch with light / dark / stock. A scene only
 animates while its stage is the current one, and reduced motion shows
 each scene's still frame. */
.scene {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
  --play: paused;
}

.sc-table {
  fill: var(--brand-line-mid);
}

.sc-leg,
.sc-ground {
  stroke: var(--brand-line-mid);
  stroke-width: 3;
  stroke-linecap: round;
  fill: none;
}

.sc-apple circle {
  fill: #D9534F;
  stroke: var(--mascot-stroke);
  stroke-width: 2;
}

.sc-apple .leaf {
  fill: var(--brand);
}

.sc-apple .stem,
.sc-banana .tip {
  stroke: var(--mascot-stroke);
  stroke-width: 2;
  stroke-linecap: round;
  fill: none;
}

.sc-banana path.fruit {
  fill: #F2C14E;
  stroke: var(--mascot-stroke);
  stroke-width: 2;
  stroke-linejoin: round;
}

.sc-tape,
.sc-spark,
.sc-packet {
  fill: var(--accent);
}

.sc-thermo .tube {
  fill: var(--bg);
  stroke: var(--text-secondary);
  stroke-width: 2;
}

.sc-thermo .bulb,
.sc-thermo .mercury {
  fill: var(--accent);
}

.sc-ice rect {
  fill: var(--ice-soft);
  stroke: var(--ice);
  stroke-width: 2;
}

.sc-ice path,
.sc-flakes path {
  stroke: var(--ice);
  stroke-width: 1.8;
  stroke-linecap: round;
  fill: none;
}

.sc-readout {
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  font-size: 8.5px;
  fill: var(--on-brand);
  text-anchor: middle;
}

.sc-scale {
  fill: var(--brand);
}

.sc-walker .limb {
  stroke: var(--mascot-stroke);
  stroke-width: 3.2;
  stroke-linecap: round;
  fill: none;
}

.sc-walker .head {
  fill: var(--bg);
  stroke: var(--mascot-stroke);
  stroke-width: 2.6;
}

.sc-bank .wall {
  fill: var(--bg);
  stroke: var(--mascot-stroke);
  stroke-width: 2;
}

.sc-bank .roof {
  fill: var(--brand);
}

.sc-bank .door {
  fill: var(--brand-line-mid);
}

.sc-bank .heart {
  fill: var(--accent);
}

.sc-check circle {
  fill: var(--brand);
}

.sc-check path {
  stroke: var(--on-brand);
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.sc-screen .win {
  fill: var(--bg);
  stroke: var(--mascot-stroke);
  stroke-width: 2;
}

.sc-screen .bar {
  stroke: var(--brand-line-mid);
  stroke-width: 1.5;
}

.sc-screen .dot,
.sc-screen .base {
  fill: var(--brand-line-mid);
}

.sc-rows rect {
  fill: var(--line);
}

.sc-row-new .hi {
  fill: color-mix(in srgb, var(--brand) 16%, transparent);
}

.sc-row-new .ln {
  fill: var(--brand-line-mid);
}

.sc-row-new path {
  stroke: var(--brand);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.sc-plus {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 800;
  font-size: 12px;
  fill: var(--accent-text);
}

/* Still frames (the base styles) are what reduced motion shows; the
 keyframes below animate away from and back to them on a loop. */
.sc-tape,
.sc-spark,
.sc-check,
.sc-packet,
.sc-plus {
  opacity: 0;
}

.sc-tape {
  transform-box: fill-box;
  transform-origin: left center;
}

.sc-spark,
.sc-check,
.sc-plus,
.sc-flakes path {
  transform-box: fill-box;
  transform-origin: center;
}

.sc-thermo .mercury {
  transform-box: fill-box;
  transform-origin: center bottom;
}

.sc-walker .leg {
  transform-box: fill-box;
  transform-origin: center top;
}

.sc-collect [data-lid-g] {
  animation: lidCollect 6s ease-in-out infinite;
}

.sc-collect .sc-apple {
  animation: appleIn 6s ease-in-out infinite;
}

.sc-collect .sc-banana {
  animation: bananaIn 6s ease-in-out infinite;
}

.sc-collect .sc-tape {
  animation: tapeOn 6s ease-in-out infinite;
}

.sc-collect .sc-spark {
  animation: sparkPop 6s ease-out infinite;
}

.sc-collect .sc-box {
  animation: boxHop 6s ease-in-out infinite;
}

@keyframes lidCollect {

  0%,
  4% {
    transform: translateY(0) rotate(0deg);
  }

  10%,
  58% {
    transform: translateY(-9px) rotate(-13deg);
  }

  64%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
}

@keyframes appleIn {

  0%,
  12% {
    transform: translate(0, 0);
    opacity: 1;
  }

  21% {
    transform: translate(42px, -96px);
  }

  29% {
    transform: translate(84px, -80px);
  }

  35% {
    transform: translate(84px, -30px);
    opacity: 1;
  }

  36%,
  90% {
    transform: translate(84px, -30px);
    opacity: 0;
  }

  91% {
    transform: translate(0, 0);
    opacity: 0;
  }

  97%,
  100% {
    transform: translate(0, 0);
    opacity: 1;
  }
}

@keyframes bananaIn {

  0%,
  30% {
    transform: translate(0, 0);
    opacity: 1;
  }

  39% {
    transform: translate(-42px, -96px);
  }

  47% {
    transform: translate(-86px, -78px);
  }

  53% {
    transform: translate(-86px, -30px);
    opacity: 1;
  }

  54%,
  90% {
    transform: translate(-86px, -30px);
    opacity: 0;
  }

  91% {
    transform: translate(0, 0);
    opacity: 0;
  }

  97%,
  100% {
    transform: translate(0, 0);
    opacity: 1;
  }
}

@keyframes tapeOn {

  0%,
  64% {
    opacity: 0;
    transform: scaleX(0);
  }

  65% {
    opacity: 1;
    transform: scaleX(0);
  }

  71%,
  90% {
    opacity: 1;
    transform: scaleX(1);
  }

  96%,
  100% {
    opacity: 0;
    transform: scaleX(1);
  }
}

@keyframes sparkPop {

  0%,
  70% {
    opacity: 0;
    transform: scale(0.2) rotate(0deg);
  }

  75% {
    opacity: 1;
    transform: scale(1.1) rotate(20deg);
  }

  86% {
    opacity: 1;
    transform: scale(1) rotate(45deg);
  }

  92%,
  100% {
    opacity: 0;
    transform: scale(0.6) rotate(60deg);
  }
}

@keyframes boxHop {

  0%,
  70% {
    transform: translateY(0);
  }

  74% {
    transform: translateY(-5px);
  }

  78%,
  100% {
    transform: translateY(0);
  }
}

.sc-pack [data-lid-g] {
  animation: lidPack 6s ease-in-out infinite;
}

.sc-pack .sc-ice {
  animation: iceIn 6s ease-in-out infinite;
}

.sc-pack .sc-thermo .mercury {
  animation: mercuryCool 6s ease-in-out infinite;
}

.sc-pack .sc-thermo .bulb {
  animation: bulbCool 6s ease-in-out infinite;
}

.sc-pack .sc-flakes path {
  animation: flakeTwinkle 6s ease-in-out infinite;
}

.sc-pack .sc-box {
  animation: boxShiver 6s linear infinite;
}

@keyframes lidPack {

  0%,
  6% {
    transform: translateY(0) rotate(0deg);
  }

  12%,
  40% {
    transform: translateY(-9px) rotate(-13deg);
  }

  46%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
}

@keyframes iceIn {

  0%,
  14% {
    transform: translate(0, 0);
    opacity: 1;
  }

  23% {
    transform: translate(-44px, -98px);
  }

  31% {
    transform: translate(-88px, -80px);
  }

  37% {
    transform: translate(-88px, -32px);
    opacity: 1;
  }

  38%,
  90% {
    transform: translate(-88px, -32px);
    opacity: 0;
  }

  91% {
    transform: translate(0, 0);
    opacity: 0;
  }

  97%,
  100% {
    transform: translate(0, 0);
    opacity: 1;
  }
}

@keyframes mercuryCool {

  0%,
  44% {
    transform: scaleY(1);
    fill: var(--accent);
  }

  60%,
  88% {
    transform: scaleY(0.4);
    fill: var(--ice);
  }

  98%,
  100% {
    transform: scaleY(1);
    fill: var(--accent);
  }
}

@keyframes bulbCool {

  0%,
  44% {
    fill: var(--accent);
  }

  60%,
  88% {
    fill: var(--ice);
  }

  98%,
  100% {
    fill: var(--accent);
  }
}

@keyframes flakeTwinkle {

  0%,
  46% {
    opacity: 0;
    transform: scale(0.3) rotate(0deg);
  }

  54% {
    opacity: 1;
    transform: scale(1.1) rotate(30deg);
  }

  70% {
    opacity: 0.7;
    transform: scale(0.9) rotate(60deg);
  }

  82% {
    opacity: 1;
    transform: scale(1) rotate(90deg);
  }

  92%,
  100% {
    opacity: 0;
    transform: scale(0.4) rotate(120deg);
  }
}

@keyframes boxShiver {

  0%,
  48% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(-1.5px);
  }

  52% {
    transform: translateX(1.5px);
  }

  54% {
    transform: translateX(-1.5px);
  }

  56% {
    transform: translateX(1.5px);
  }

  58%,
  100% {
    transform: translateX(0);
  }
}

.sc-walk .sc-walker {
  animation: walkAcross 6s ease-in-out infinite;
}

.sc-walk .leg-a {
  animation: legSwing 0.5s ease-in-out infinite alternate;
}

.sc-walk .leg-b {
  animation: legSwing 0.5s ease-in-out infinite alternate-reverse;
}

.sc-walk .sc-check {
  animation: checkPop 6s ease-out infinite;
}

@keyframes walkAcross {
  0% {
    transform: translateX(0);
    opacity: 0;
  }

  5% {
    opacity: 1;
  }

  60%,
  86% {
    transform: translateX(104px);
    opacity: 1;
  }

  92%,
  100% {
    transform: translateX(104px);
    opacity: 0;
  }
}

@keyframes legSwing {
  from {
    transform: rotate(-24deg);
  }

  to {
    transform: rotate(24deg);
  }
}

@keyframes checkPop {

  0%,
  62% {
    opacity: 0;
    transform: scale(0.3);
  }

  68% {
    opacity: 1;
    transform: scale(1.15);
  }

  72%,
  86% {
    opacity: 1;
    transform: scale(1);
  }

  92%,
  100% {
    opacity: 0;
    transform: scale(1);
  }
}

.sc-post .sc-packet {
  animation: packetFly 6s ease-in-out infinite;
}

.sc-post .sc-rows {
  animation: rowsShift 6s ease-in-out infinite;
}

.sc-post .sc-row-new {
  animation: rowIn 6s ease-out infinite;
}

.sc-post .sc-plus {
  animation: plusPop 6s ease-out infinite;
}

.sc-post .sc-box {
  animation: boxCheer 6s ease-in-out infinite;
}

@keyframes packetFly {

  0%,
  6% {
    opacity: 0;
    transform: translate(0, 0);
  }

  10% {
    opacity: 1;
    transform: translate(0, 0);
  }

  22% {
    transform: translate(22px, -28px);
  }

  32% {
    opacity: 1;
    transform: translate(48px, -8px);
  }

  36%,
  100% {
    opacity: 0;
    transform: translate(48px, -8px);
  }
}

@keyframes rowsShift {

  0%,
  32% {
    transform: translateY(-17px);
  }

  40%,
  90% {
    transform: translateY(0);
  }

  97%,
  100% {
    transform: translateY(-17px);
  }
}

@keyframes rowIn {

  0%,
  34% {
    opacity: 0;
  }

  42%,
  90% {
    opacity: 1;
  }

  96%,
  100% {
    opacity: 0;
  }
}

@keyframes plusPop {

  0%,
  42% {
    opacity: 0;
    transform: translateY(4px) scale(0.6);
  }

  48% {
    opacity: 1;
    transform: translateY(-2px) scale(1.1);
  }

  54%,
  84% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  92%,
  100% {
    opacity: 0;
    transform: translateY(-6px) scale(1);
  }
}

@keyframes boxCheer {

  0%,
  44% {
    transform: translateY(0);
  }

  49% {
    transform: translateY(-7px);
  }

  54% {
    transform: translateY(0);
  }

  58% {
    transform: translateY(-4px);
  }

  62%,
  100% {
    transform: translateY(0);
  }
}

/* Every scene animation pauses while its step is off screen. Placed last so
 it wins over the shorthands above. */
.scene * {
  animation-play-state: var(--play) !important;
  animation-delay: var(--d, 0s) !important;
}

/* This block was one narrow column with the whole right half of the
 section empty. Now a fixed status card plus a chart that fills what is
 left, so the width the section actually has gets used. */
/* One instrument readout: identity and verdict on the left, the trace on
 the right, both centred on the same axis so they read as one unit. */
.cold-panel {
  position: relative;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  grid-template-areas: "mascot chart" "status chart";
  column-gap: 28px;
  row-gap: 4px;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--brand-line);
  border-radius: 12px;
  padding: 14px 20px 16px;
  transform-origin: 50% 50%;
}

.cold-status {
  grid-area: status;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* The mascot. Its own palette, per spec: a light tinted body in light and
 stock, a lifted sage in dark, read by both the flat SVG and the 3D box
 (which is told to take its colours from here). */
.cold-mascot {
  grid-area: mascot;
  position: relative;
  width: 220px;
  justify-self: center;
  --mascot-fill: #EAF2DE;
  --mascot-stroke: #2E5A22;
  --box-side: #D3E3C1;
  --box-interior: #BFD4A8;
  --cm-glow: color-mix(in srgb, var(--brand) 34%, transparent);
}

:root[data-theme="dark"] .cold-mascot {
  --mascot-fill: #2A3A22;
  --mascot-stroke: #9CCB7A;
  --box-side: #223019;
  --box-interior: #18230F;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .cold-mascot {
    --mascot-fill: #2A3A22;
    --mascot-stroke: #9CCB7A;
    --box-side: #223019;
    --box-interior: #18230F;
  }
}

.cold-mascot.is-danger {
  --cm-glow: color-mix(in srgb, var(--accent) 40%, transparent);
}

/* A tight, soft glow: small blur, low opacity. */
.cold-mascot>svg,
.cold-mascot>canvas {
  filter: drop-shadow(0 0 3px var(--cm-glow));
  transition: filter 250ms ease;
}

.cold-mascot>canvas {
  display: block;
  width: 100%;
}

.cold-mascot.is-3d>svg {
  display: none !important;
}

/* The canvas is square; the box sits in its middle band, so the frame is
 cropped to the box and the empty sky above it is not layout. */
.cold-mascot.is-3d {
  height: 200px;
}

/* At least 20px between the bottom of the model and the verdict. */
.cold-mascot {
  margin-bottom: 10px;
}

.cold-mascot.is-3d>canvas {
  margin-top: -12px;
}

.cold-run {
  margin: 10px 0 0;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
}

.cold-tag {
  display: inline-block;
  margin: 6px 0 0;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  white-space: nowrap;
}

.cold-verdict {
  margin: 2px 0 0;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.cold-verdict.is-danger {
  color: var(--accent-text);
}

.cold-verdict.is-safe {
  color: var(--brand);
}

.cold-sim-tag {
  display: block;
  width: max-content;
  margin: 6px 0 0;
  padding: 2px 8px;
  border: 1px dashed var(--accent);
  border-radius: 999px;
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  color: var(--accent-text);
  white-space: nowrap;
}

.cold-sim-tag[hidden] {
  display: none;
}

.cold-reading {
  margin: 8px 0 0;
  min-height: 1.5em;
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.cold-reading b {
  font-weight: 500;
  color: var(--text);
}

/* The ice pack is the point of this section, so its button is the loudest
 thing in the panel: solid, larger, with a pulsing "Try it" cue that goes
 away after the first press. */
.cold-ice {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  margin-top: 16px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--brand);
  border-radius: 999px;
  background: var(--brand);
  color: var(--on-brand);
  cursor: pointer;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--brand) 50%, transparent), 0 6px 18px -6px color-mix(in srgb, var(--brand) 60%, transparent);
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.cold-ice:hover {
  background: var(--brand-press);
  border-color: var(--brand-press);
  transform: translateY(-1px);
}

.cold-ice:not(.tried) {
  animation: icePulse 1.8s ease-out infinite;
}

@keyframes icePulse {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--brand) 55%, transparent), 0 6px 18px -6px color-mix(in srgb, var(--brand) 60%, transparent);
  }

  70%,
  100% {
    box-shadow: 0 0 0 12px color-mix(in srgb, var(--brand) 0%, transparent), 0 6px 18px -6px color-mix(in srgb, var(--brand) 60%, transparent);
  }
}

.cold-ice .try {
  position: absolute;
  top: -10px;
  right: -8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent);
  color: #1D1D1F;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.cold-ice.tried .try {
  display: none;
}

.cold-ice[aria-pressed="true"] {
  background: var(--ice-soft);
  border-color: var(--ice);
  color: var(--ice);
  box-shadow: none;
}

.cold-ice[hidden] {
  display: none;
}

.cold-ice svg {
  flex: none;
}

.cold-chart {
  grid-area: chart;
  align-self: center;
  position: relative;
  min-width: 0;
  border-radius: 10px;
}

/* Frosted inner glow while the what-if is on. */
.cold-chart::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  box-shadow: inset 0 0 28px color-mix(in srgb, var(--ice) 22%, transparent), inset 0 0 0 1px color-mix(in srgb, var(--ice) 18%, transparent);
  transition: opacity 500ms ease;
}

.cold-chart.is-frost::after {
  opacity: 1;
}

.cold-rows .row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: baseline;
  width: 100%;
  padding: 7px 8px;
  border: none;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  font-weight: 400;
  font-size: 12px;
  color: var(--text-secondary);
  text-align: left;
}

.cold-rows .row .temp {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.cold-spark {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.cs-zone {
  fill: var(--accent);
  opacity: 0.08;
  transition: opacity 800ms ease;
}

.cs-zone.cs-pulse {
  animation: csPulse 700ms ease-out 1;
}

@keyframes csPulse {
  0% {
    opacity: 0.08;
  }

  35% {
    opacity: 0.26;
  }

  100% {
    opacity: 0.08;
  }
}

.is-ice .cs-zone {
  opacity: 0;
}

.cs-threshold {
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.cs-threshold-lbl {
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  font-size: 11px;
  fill: var(--accent-text);
  letter-spacing: 0.04em;
}

.cs-line {
  fill: none;
  stroke-width: 2.5;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.cs-ghost {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 3 5;
  opacity: 0;
  transition: opacity 500ms ease;
}

.is-ice .cs-ghost {
  opacity: 0.45;
}

.cs-dot {
  fill: var(--brand);
  stroke: var(--surface);
  stroke-width: 2;
  r: 4;
  transition: r 140ms ease;
}

.cs-dot.danger {
  fill: var(--accent);
}

.cs-xlabel {
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  font-size: 11px;
  fill: var(--text-secondary);
}

.cs-xlabel .cs-note {
  fill: var(--text-secondary);
  opacity: 0.75;
}

.cs-temp {
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  font-size: 12px;
  font-weight: 500;
  fill: var(--brand);
  font-variant-numeric: tabular-nums;
}

.cs-temp.danger {
  fill: var(--accent-text);
}

.cs-pt {
  cursor: pointer;
  outline: none;
  transition: opacity 260ms ease;
}

.cs-pt.cs-pending {
  opacity: 0;
}

.cs-hit {
  fill: transparent;
}

.cs-pt:focus-visible .cs-dot,
.cs-pt:hover .cs-dot,
.cs-pt.active .cs-dot {
  r: 6;
}

.cs-pt:focus-visible .cs-hit {
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
}

/* One focus ring, on the point itself, not a second box around the group. */
#coldSpark .cs-pt:focus-visible {
  outline: none;
}

/* Ice pack: drops in, sits on the chart; frost particles burst and fade. */
.cold-icepack {
  position: absolute;
  z-index: 3;
  left: 0;
  top: 0;
  width: 30px;
  height: 24px;
  margin: -12px 0 0 -15px;
  pointer-events: none;
  opacity: 0;
}

.cold-icepack.is-in {
  opacity: 1;
  animation: iceDrop 720ms cubic-bezier(0.34, 1.4, 0.64, 1) both;
}

.cold-icepack.is-out {
  animation: iceLift 320ms ease-in both;
}

@keyframes iceDrop {
  0% {
    opacity: 0;
    transform: translateY(var(--drop, -120px)) rotate(-12deg);
  }

  30% {
    opacity: 1;
  }

  100% {
    opacity: 1;
    transform: none;
  }
}

@keyframes iceLift {
  from {
    opacity: 1;
    transform: none;
  }

  to {
    opacity: 0;
    transform: translateY(-28px);
  }
}

.cold-frost {
  position: absolute;
  z-index: 2;
  left: 0;
  top: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.cold-frost i {
  position: absolute;
  left: -3px;
  top: -3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ice);
  box-shadow: 0 0 6px color-mix(in srgb, var(--ice) 80%, transparent);
  animation: frostOut 600ms ease-out both;
}

.cold-frost i.flake {
  width: 9px;
  height: 9px;
  left: -4.5px;
  top: -4.5px;
  border-radius: 0;
  background: none;
  box-shadow: none;
  background-image: linear-gradient(var(--ice), var(--ice)), linear-gradient(var(--ice), var(--ice));
  background-size: 9px 1.5px, 1.5px 9px;
  background-position: center;
  background-repeat: no-repeat;
}

@keyframes frostOut {
  from {
    opacity: 1;
    transform: translate(0, 0) scale(1) rotate(0);
  }

  to {
    opacity: 0;
    transform: translate(var(--dx), var(--dy)) scale(0.4) rotate(90deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cold-panel {
    transform: none !important;
  }

  .cold-icepack.is-in {
    animation: none;
    opacity: 1;
  }

  .cold-frost {
    display: none;
  }
}

@media (max-width:640px) {
  .cold-panel {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "status" "mascot" "chart";
    row-gap: 12px;
    padding: 16px 16px 12px;
  }

  .cold-mascot {
    width: 160px;
    margin-bottom: 0;
  }

  .cold-mascot.is-3d {
    height: 144px;
  }

  .cold-mascot.is-3d>canvas {
    margin-top: -8px;
  }

  .cold-ice {
    width: 100%;
    min-height: 44px;
  }

  .cs-xlabel {
    font-size: 10px;
  }

  .cs-temp {
    font-size: 11px;
  }

  .cs-threshold-lbl {
    font-size: 10px;
  }
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.cards-grid .card,
.done-card {
  border-radius: 8px;
}

.cards-grid .card {
  background: var(--surface);
  border: 1px solid var(--brand-line);
  padding: 28px;
}

.cards-grid .card .kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--brand);
  margin: 0 0 10px;
}

.cards-grid .card .meta {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 10px 0 0;
}

.doc-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  background: none;
  border: none;
  padding: 0;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--brand);
  cursor: pointer;
}

.doc-toggle:hover {
  color: var(--accent-text);
}

.doc-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 300ms ease;
}

.doc-open>.doc-panel {
  grid-template-rows: 1fr;
}

.doc-panel>div {
  overflow: hidden;
}

/* 4% what-if slider: lives inside the big stat card and borrows its accent. */
.pct-whatif {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}

.pct-whatif[hidden] {
  display: none;
}

.pct-range {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 28px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  --fill: 0%;
}

.pct-range::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent) var(--fill), var(--brand-line) var(--fill));
}

.pct-range::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent) var(--fill), var(--brand-line) var(--fill));
}

.pct-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  margin-top: -9px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
  transition: transform 120ms ease;
}

.pct-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.pct-range:active::-webkit-slider-thumb {
  transform: scale(1.12);
}

.pct-range:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 8px;
}

.pct-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 2px;
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  font-size: 11px;
  color: var(--text-secondary);
}

.pct-result {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-secondary);
  min-height: 3em;
}

.pct-result b {
  display: block;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 800;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--accent-text);
}

.pct-result .est {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border: 1px dashed var(--accent);
  border-radius: 999px;
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  color: var(--accent-text);
  vertical-align: 2px;
}

.statband .cite a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* "Learn more" cards: each one is a whole-card link to a deeper page. */
/* Four cards: 2×2 by default, one row on wide screens, one column on
 phones. Never 3 + 1. */
.learn-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width:1180px) {
  .learn-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width:640px) {
  .learn-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.learn-grid .card {
  position: relative;
  display: flex;
  flex-direction: column;
  transition: border-color 160ms ease, transform 160ms ease;
}

.learn-grid .card:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
}

.learn-grid .card .body {
  flex: 1;
}

.learn-grid .card a.doc-toggle {
  text-decoration: none;
}

.learn-grid .card a.doc-toggle::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.learn-grid .card a.doc-toggle:focus-visible {
  outline: none;
}

.learn-grid .card:focus-within {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* Map: one visible line of context, everything else folded away. */
.sites-summary {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  margin: 20px 0 0;
}

.sites-summary a {
  font-weight: 600;
  white-space: nowrap;
}

.map-about {
  margin: 16px 0 0;
  max-width: 70ch;
}

.map-about summary {
  cursor: pointer;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--brand);
}

.map-about summary:hover {
  color: var(--accent-text);
}

.map-about p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 10px 0 0;
}

.map-about .cite {
  font-size: 13px;
}

.done-card {
  border: 1px solid var(--brand-line);
  background: var(--tint);
  padding: 32px;
}

/* The join section now sits on the page background, so its fields take the
 card colour to stay visible as fields. */
#join form.join input,
#join form.join select,
#join form.join textarea {
  background: var(--surface);
}

@media (max-width:760px) {

  .hero-grid,
  .two-grid,
  .join-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-grid>.visual {
    order: -1;
    max-width: 240px;
    margin: 0 auto;
  }

  .sensor-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .sensor-row>div:first-child {
    max-width: 150px;
  }

}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}

@media print {

  nav.bar,
  .skip-link,
  .box-band,
  #heroBoxWrap,
  #formWrap {
    display: none !important;
  }

  #heropin {
    height: auto !important;
  }

  #top,
  .thead {
    position: static !important;
    min-height: 0 !important;
  }

  * {
    animation: none !important;
    transition: none !important;
    box-shadow: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  a.verify::after {
    content: " (" attr(href) ")";
    font-weight: 400;
  }

  section {
    break-inside: avoid;
  }
}
/* Honeypot: moves the spam-trap field off-screen so people never see it. */
.hp { position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }