:root,
[data-theme="light"] {
  color-scheme: light;
  --paper: #f6f5ef;
  --paper-hot: #fdfcf8;
  --paper-low: #e9e8e1;
  --ink: #090a0a;
  --ink-2: #3f413f;
  --ink-3: #5f615d;
  --line: rgba(9, 10, 10, .18);
  --hair: rgba(9, 10, 10, .085);
  --signal: #dfff00;
  --signal-text: #526000;
  --air: #4b7b88;
  --heat: #b74d2d;
  --uv: #b6921c;
  --pollen: #6f813c;
  --error: #a63223;
  --field-bg: #111313;
  --field-paper: #f4f3ed;
  --field-scan: #dfff00;
  --field-error: #d46249;
  --t0: #5c8b7a;
  --t1: var(--air);
  --t2: var(--uv);
  --t3: var(--heat);
  --t4: #9d271f;
  --font-display: "Syncopate", sans-serif;
  --font-body: "Instrument Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --gutter: clamp(18px, 3vw, 54px);
  --masthead-h: 74px;
  --ease-out: cubic-bezier(.23, 1, .32, 1);
  --ease-in-out: cubic-bezier(.77, 0, .175, 1);
}

[data-theme="dark"] {
  color-scheme: dark;
  --paper: #101211;
  --paper-hot: #171918;
  --paper-low: #090a0a;
  --ink: #f0efe9;
  --ink-2: #b9b9b2;
  --ink-3: #858780;
  --line: rgba(240, 239, 233, .2);
  --hair: rgba(240, 239, 233, .095);
  --signal-text: #dfff00;
  --error: #ff8873;
  --field-bg: #070808;
  --field-paper: #e5e4dc;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: auto; scroll-padding-top: calc(var(--masthead-h) + 20px); }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }
::selection { background: var(--signal); color: #090a0a; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}
[data-theme="dark"] :focus-visible { outline-color: var(--signal); }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-160%);
  transition: transform 160ms var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }

.lab-shell { min-height: 100vh; }
.lab-masthead {
  position: sticky;
  z-index: 50;
  top: 0;
  height: var(--masthead-h);
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(210px, 1fr);
  align-items: center;
  gap: 24px;
  padding-inline: var(--gutter);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(14px);
}
.lab-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: max-content;
  min-height: 40px;
  text-decoration: none;
  text-transform: uppercase;
}
.lab-brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  font: 700 10px/1 var(--font-display);
}
.lab-brand > span:last-child { display: grid; gap: 1px; }
.lab-brand strong { font: 700 10px/1.2 var(--font-display); letter-spacing: .12em; }
.lab-brand small { color: var(--ink-3); font: 500 7px/1.2 var(--font-mono); letter-spacing: .12em; }
.lab-nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 30px); }
.lab-nav a {
  position: relative;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding-block: 10px;
  color: var(--ink-2);
  font: 600 9px/1 var(--font-mono);
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}
.lab-nav a span { margin-right: 5px; color: var(--ink-3); font-size: 7px; }
.lab-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms var(--ease-out);
}
.lab-nav a[aria-disabled="true"] { opacity: .34; pointer-events: none; }
.lab-actions { justify-self: end; display: flex; align-items: center; gap: 8px; }
.lab-progress { position: absolute; right: 0; bottom: -1px; left: 0; height: 1px; overflow: hidden; }
.lab-progress i { display: block; width: 100%; height: 100%; background: var(--signal); transform: scaleX(0); transform-origin: left; }

.btn {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: transform 140ms var(--ease-out), background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}
.btn:active { transform: scale(.97); }
.btn-profile {
  min-width: 156px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  text-align: left;
}
.btn-profile > span:last-child { display: grid; gap: 2px; }
.btn-profile small { color: var(--ink-3); font: 500 7px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.btn-profile #profileSummary { max-width: 126px; overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.btn-dot { width: 6px; height: 6px; flex: 0 0 auto; border-radius: 50%; background: var(--ink-3); }
.btn-dot[data-set="true"] { background: var(--signal); box-shadow: 0 0 0 4px color-mix(in srgb, var(--signal) 18%, transparent); }
.btn-theme { min-width: 42px; padding: 0 11px; font: 500 8px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.btn-theme span:first-child { margin-right: 5px; font-size: 14px; }
.btn-primary {
  position: relative;
  min-height: 52px;
  padding: 0 24px;
  overflow: hidden;
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper-hot);
  font: 600 9px/1 var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 100%;
  background: var(--signal);
  clip-path: inset(0 calc(100% - 5px) 0 0);
  transition: clip-path 200ms var(--ease-out);
}
.btn-primary > span { position: relative; z-index: 1; }
.btn-secondary, .btn-ghost { min-height: 44px; padding: 0 18px; font: 600 9px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }

.lab-main { min-width: 0; }
.lab-stage {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - var(--masthead-h));
  display: flex;
  flex-direction: column;
  overflow: visible;
  padding: 18px var(--gutter) 20px;
  border-bottom: 1px solid var(--line);
}
.stage-meta {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-3);
  font: 500 7px/1.2 var(--font-mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}
.stage-meta span:nth-child(2) { text-align: center; }
.stage-meta span:last-child { text-align: right; }

.environment-field {
  position: absolute;
  z-index: -1;
  inset: 0;
  overflow: hidden;
  opacity: .72;
  pointer-events: none;
  transition: opacity 220ms var(--ease-out);
}
.environment-field::before,
.environment-field::after {
  content: "";
  position: absolute;
  pointer-events: none;
}
.environment-field::before {
  inset: -16% -10%;
  background:
    linear-gradient(105deg, color-mix(in srgb, var(--ink) 18%, transparent) 0%, color-mix(in srgb, var(--ink) 5%, transparent) 24%, transparent 52%),
    linear-gradient(255deg, color-mix(in srgb, var(--air) 17%, transparent) 0%, transparent 43%),
    linear-gradient(180deg, transparent 0 48%, color-mix(in srgb, var(--signal) 7%, transparent) 72%, transparent 100%);
  filter: blur(36px) saturate(.78);
  transform: scale(1.02);
}
.environment-field::after {
  inset: 5% -8% 8%;
  opacity: .66;
  background: repeating-linear-gradient(to bottom, transparent 0 37px, var(--hair) 38px, transparent 39px 76px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 17%, #000 83%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 17%, #000 83%, transparent);
}
.environment-field canvas, .field-glow { position: absolute; inset: 0; width: 100%; height: 100%; }
.environment-field canvas { opacity: .34; }
.field-glow { background: transparent; }
.field-fallback { position: relative; z-index: 4; align-self: flex-end; max-width: 520px; margin: 9px 0 0; color: var(--ink-3); font: 500 7px/1.5 var(--font-mono); letter-spacing: .06em; text-align: right; text-transform: uppercase; }

.stage-identity {
  position: relative;
  z-index: 3;
  width: min(1080px, 100%);
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  align-self: center;
  padding-block: clamp(28px, 4vh, 62px);
  text-align: center;
  transition: opacity 220ms var(--ease-out), transform 260ms var(--ease-in-out);
}
.envi-wordmark {
  margin: 0;
  color: var(--ink);
  font: 700 clamp(74px, 12.3vw, 212px)/.74 var(--font-display);
  letter-spacing: -.12em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: opacity 220ms var(--ease-out), transform 260ms var(--ease-in-out);
}
.envi-wordmark span { display: inline-block; }
.envi-wordmark span:nth-child(2) { transform: skewX(7deg); }
.envi-wordmark span:nth-child(4) { margin-left: .02em; }
.envi-wordmark::after { content: ""; display: block; width: 25px; height: 4px; margin: 18px 0 0 auto; background: var(--signal); }
.stage-promise {
  margin: clamp(26px, 4vh, 48px) 0 0;
  max-width: 820px;
  font-size: clamp(34px, 4.2vw, 70px);
  font-weight: 650;
  letter-spacing: -.055em;
  line-height: .98;
}
.stage-promise em { position: relative; font-style: normal; }
.stage-promise em::after { content: ""; position: absolute; right: 0; bottom: -.06em; left: 0; height: 2px; background: var(--ink); transform: rotate(-2deg); }
.stage-descriptor { margin: 18px 0 0; color: var(--ink-2); font: 500 8px/1.5 var(--font-mono); letter-spacing: .18em; text-transform: uppercase; }

.location-composer { position: relative; width: min(790px, 92%); margin-top: clamp(28px, 4vh, 46px); text-align: left; }
.composer-label { margin: 0 0 7px; color: var(--ink-3); font: 500 7px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; }
.composer-form { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: color-mix(in srgb, var(--paper-hot) 88%, transparent); }
.composer-input { position: relative; min-width: 0; }
.composer-input label { position: absolute; z-index: 2; top: 8px; left: 16px; color: var(--ink-3); font: 500 7px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.composer-input input { width: 100%; height: 66px; padding: 22px 16px 5px; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 18px; font-weight: 650; }
.composer-input input:focus-visible { outline: 2px solid var(--ink); outline-offset: -3px; }
.composer-input input::placeholder { color: var(--ink-3); opacity: 1; }
.composer-input:focus-within { box-shadow: inset 3px 0 0 var(--signal); }
.lab-stage:has(.composer-input:focus-within) .environment-field { opacity: .9; }
.composer-actions { display: flex; }
.composer-actions .btn { border-block: 0; border-right: 0; }
.composer-actions .btn-primary { min-width: 178px; }
.composer-actions .btn-secondary { width: 54px; padding: 0; overflow: hidden; font-size: 0; }
.composer-actions .btn-secondary span:first-child { font-size: 18px; }
.composer-status, .composer-error { min-height: 18px; margin: 8px 0 0; font: 500 9px/1.5 var(--font-mono); }
.composer-status { color: var(--ink-3); }
.composer-error { color: var(--error); }
.suggestions {
  position: absolute;
  z-index: 30;
  top: calc(100% + 1px);
  right: 0;
  left: 0;
  max-height: min(300px, 44vh);
  margin: 0;
  padding: 0;
  overflow: auto;
  border: 1px solid var(--ink);
  background: var(--paper-hot);
  list-style: none;
  box-shadow: none;
}
.suggestions li { min-height: 44px; display: flex; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--hair); cursor: pointer; font-size: 13px; }
.suggestions li:last-child { border-bottom: 0; }
.suggestions li[aria-selected="true"] { background: var(--signal); color: #090a0a; }

.stage-registration {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: minmax(150px, .8fr) minmax(120px, .55fr) minmax(160px, .8fr) auto;
  align-items: center;
  gap: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.stage-registration > div { display: grid; gap: 4px; }
.registration-label { color: var(--ink-3); font: 500 7px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.stage-registration strong, .field-state { margin: 0; font: 500 9px/1.3 var(--font-mono); }
.field-signals { display: flex; align-items: center; justify-content: flex-end; margin: 0; padding: 0; list-style: none; }
.field-signals li { min-height: 36px; display: flex; align-items: center; gap: 7px; padding: 0 12px; border-left: 1px solid var(--line); font: 500 7px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.field-signals i { width: 5px; height: 5px; border-radius: 50%; background: var(--ink-3); }
.field-signals [data-signal="air"] i { background: var(--air); }
.field-signals [data-signal="heat"] i { background: var(--heat); }
.field-signals [data-signal="uv"] i { background: var(--uv); }
.field-signals [data-signal="pollen"] i { background: var(--pollen); }

.scan-progress {
  position: absolute;
  z-index: 8;
  inset: 50% auto auto 50%;
  width: min(860px, calc(100% - 2 * var(--gutter)));
  transform: translate(-50%, -50%);
  background: color-mix(in srgb, var(--paper) 84%, transparent);
  padding: clamp(20px, 3vw, 36px);
  border-block: 1px solid var(--ink);
}
.scan-progress::before {
  content: "";
  position: fixed;
  z-index: -1;
  top: var(--masthead-h);
  bottom: 0;
  left: 0;
  width: 1px;
  background: var(--signal);
  box-shadow: 0 0 22px color-mix(in srgb, var(--signal) 50%, transparent);
  animation: scan-pass 1.15s linear both;
}
@keyframes scan-pass { from { transform: translate3d(-2px, 0, 0); } to { transform: translate3d(100vw, 0, 0); } }
.scan-progress header { display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: end; }
.scan-progress h2 { margin: 0; font-size: clamp(24px, 4vw, 54px); letter-spacing: -.045em; }
.scan-progress ol { display: grid; grid-template-columns: repeat(4, 1fr); margin: 24px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.scan-progress li { min-height: 104px; display: grid; align-content: start; gap: 6px; padding: 14px 14px 8px; border-right: 1px solid var(--line); color: var(--ink-3); }
.scan-progress li:last-child { border-right: 0; }
.scan-progress li[data-state="active"], .scan-progress li[data-state="complete"] { color: var(--ink); }
.scan-progress li[data-state="active"] { box-shadow: inset 0 3px 0 var(--signal); }
.scan-progress li span, .scan-progress li small { color: var(--ink-3); font: 500 7px/1.3 var(--font-mono); text-transform: uppercase; }
.scan-progress li strong { font-size: 12px; }

body[data-view="idle"] .stage-identity,
body[data-view="search"] .stage-identity { opacity: 1; transform: none; }
body[data-view="idle"] .environment-field,
body[data-view="search"] .environment-field { opacity: .72; }
body[data-view="scanning"] .environment-field { opacity: .92; }
body[data-view="scanning"] .stage-identity { opacity: 1; transform: none; }
body[data-view="scanning"] .envi-wordmark { transform: translateY(-70px) scale(.3); }
body[data-view="scanning"] .stage-promise,
body[data-view="scanning"] .stage-descriptor,
body[data-view="scanning"] .location-composer { opacity: 0; pointer-events: none; }
body[data-view="scanning"] .stage-registration { opacity: .46; }
body[data-view="results"] .lab-stage { min-height: 118px; padding-block: 14px; }
body[data-view="results"] .stage-identity,
body[data-view="results"] .stage-registration,
body[data-view="results"] .field-fallback { display: none; }
body[data-view="results"] .stage-meta { margin-block: auto; border-bottom: 0; padding-bottom: 0; }
body[data-view="results"] .environment-field { opacity: .28; }
body[data-view="error"] .composer-form { border-color: var(--error); }

.result-spread { padding: clamp(54px, 8vw, 120px) var(--gutter); opacity: 1; clip-path: inset(0); transition: opacity 220ms var(--ease-out), clip-path 240ms var(--ease-out); }
.result-masthead { display: grid; grid-template-columns: minmax(150px, .45fr) 1fr auto; gap: 28px; align-items: start; padding-bottom: 24px; border-bottom: 1px solid var(--ink); }
.plate-index { margin: 0; color: var(--ink-3); font: 500 8px/1.3 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
@starting-style {
  .result-spread { opacity: 0; clip-path: inset(0 0 6% 0); }
}
.result-masthead h2, .action-protocol h2, .hazard-index-wrap h2, .evidence-plate h2 { margin: 0; font-size: clamp(34px, 5vw, 74px); letter-spacing: -.055em; line-height: .94; }
.result-masthead p:not(.plate-index), .action-protocol header p, .hazard-index-wrap header p { max-width: 620px; margin: 12px 0 0; color: var(--ink-2); }
.coverage-chip { max-width: 260px; padding: 8px 10px; border: 1px solid var(--line); font: 500 8px/1.4 var(--font-mono); text-transform: uppercase; overflow-wrap: anywhere; }
.result-registration { grid-column: 2 / -1; display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: end; }
.result-registration .risk-meta { margin-bottom: 0; }
.coverage-chip[data-level="partial"] { border-color: var(--uv); }

.risk-lead { display: grid; grid-template-columns: minmax(260px, .6fr) 1.4fr; gap: clamp(32px, 7vw, 120px); align-items: center; min-height: min(720px, 78vh); padding-block: clamp(48px, 7vw, 100px); border-bottom: 1px solid var(--ink); }
.risk-orbit { position: relative; width: min(360px, 100%); aspect-ratio: 1; display: grid; place-items: center; overflow: hidden; }
.risk-orbit svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(135deg); }
.risk-orbit circle { fill: none; stroke-width: 5; }
.gauge-track { stroke: var(--hair); stroke-dasharray: 386.6 515.22; stroke-linecap: square; }
.gauge-value { stroke: var(--t0); stroke-dasharray: 0 515.22; stroke-linecap: square; transition: stroke-dasharray 240ms var(--ease-out), stroke 180ms ease; }
#hero[data-tier="0"] .gauge-value { stroke: var(--t0); }
#hero[data-tier="1"] .gauge-value { stroke: var(--t1); }
#hero[data-tier="2"] .gauge-value { stroke: var(--t2); }
#hero[data-tier="3"] .gauge-value { stroke: var(--t3); }
#hero[data-tier="4"] .gauge-value { stroke: var(--t4); }
#hero[data-tier="na"] .gauge-value { stroke: var(--ink-3); }
.risk-orbit > p { display: flex; align-items: baseline; margin: 0; font-family: var(--font-mono); }
.risk-orbit strong { font-size: clamp(84px, 10vw, 164px); font-weight: 500; letter-spacing: -.12em; }
.risk-orbit span { color: var(--ink-3); font-size: 18px; }
.risk-label { margin: 0 0 10px; color: var(--ink-3); font: 500 8px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; }
.risk-tier { margin: 0; font: 700 clamp(56px, 9vw, 144px)/.82 var(--font-display); letter-spacing: -.1em; text-transform: uppercase; overflow-wrap: anywhere; }
.risk-drivers { max-width: 700px; margin: 30px 0; font-size: clamp(19px, 2vw, 30px); line-height: 1.22; }
.risk-meta { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0 0 28px; border-block: 1px solid var(--line); }
.risk-meta div { padding: 12px; border-right: 1px solid var(--line); }
.risk-meta div:last-child { border-right: 0; }
.risk-meta dt { color: var(--ink-3); font: 500 7px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.risk-meta dd { margin: 6px 0 0; font: 500 11px/1.45 var(--font-mono); overflow-wrap: anywhere; }
.synergy-note { margin: 0; padding: 20px var(--gutter); background: var(--signal); color: #090a0a; font-size: 15px; font-weight: 650; }

.action-protocol, .hazard-index-wrap { padding-block: clamp(64px, 9vw, 130px); border-bottom: 1px solid var(--ink); }
.action-protocol > header, .hazard-index-wrap > header { display: grid; grid-template-columns: minmax(150px, .45fr) 1fr; gap: 28px; margin-bottom: 42px; }
#actionList { margin: 0; padding: 0; border-top: 1px solid var(--ink); list-style: none; }
.action { display: grid; grid-template-columns: 120px minmax(260px, 1fr) minmax(220px, .8fr); gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.action-tag { width: max-content; align-self: start; padding: 6px 8px; background: var(--ink); color: var(--paper); font: 600 8px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.action[data-priority="emergency"] .action-tag, .action[data-priority="high"] .action-tag { background: var(--signal); color: #090a0a; }
.action-text { margin: 0; font-size: clamp(18px, 2vw, 28px); font-weight: 650; letter-spacing: -.02em; }
.action-meta, .action-source { margin: 0; color: var(--ink-2); font: 500 9px/1.6 var(--font-mono); }
.action-source { grid-column: 3; }
.hazard-index { display: grid; grid-template-columns: repeat(12, 1fr); border-top: 1px solid var(--ink); }
.hazard { --hazard-color: var(--air); min-width: 0; grid-column: span 3; display: flex; flex-direction: column; padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hazard:nth-child(2) { --hazard-color: var(--heat); grid-column: span 4; }
.hazard:nth-child(3) { --hazard-color: var(--uv); grid-column: span 2; }
.hazard:nth-child(4) { --hazard-color: var(--pollen); grid-column: span 3; border-right: 0; }
.hazard-index-num { margin: 0 0 22px; color: var(--ink-3); font: 500 8px/1 var(--font-mono); }
.hazard-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.hazard-name { margin: 0; font-size: clamp(18px, 2vw, 28px); }
.tier-chip { display: inline-flex; align-items: center; gap: 6px; max-width: 130px; font: 500 7px/1.3 var(--font-mono); text-transform: uppercase; }
.tier-dot { width: 6px; height: 6px; flex: 0 0 auto; border-radius: 50%; background: var(--hazard-color); }
.hazard-reading { display: flex; align-items: baseline; gap: 8px; margin: 36px 0 10px; }
.hazard-reading strong { font: 500 clamp(46px, 5vw, 80px)/.85 var(--font-mono); letter-spacing: -.08em; overflow-wrap: anywhere; }
.hazard-reading span, .hazard-category, .hazard-detail { color: var(--ink-2); font: 500 8px/1.5 var(--font-mono); }
.hazard-personal { margin-block: 22px; padding-top: 14px; border-top: 3px solid var(--hazard-color); }
.hazard-personal > strong { font-size: 13px; }
.hazard-reasons { margin: 10px 0 0; padding-left: 16px; color: var(--ink-2); font-size: 12px; }
.hazard footer { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.hazard footer p { margin: 5px 0 0; font: 500 7px/1.5 var(--font-mono); overflow-wrap: anywhere; }
.hazard footer .google-maps-attribution { display: inline-block; color: var(--ink); font-family: Arial, sans-serif; font-size: 12px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 1.35; white-space: nowrap; }
.model-note { max-width: 940px; margin: 44px auto 0; color: var(--ink-3); font: 500 9px/1.7 var(--font-mono); text-align: center; }

.evidence-atlas { border-top: 1px solid var(--ink); }
.evidence-plate { display: grid; grid-template-columns: minmax(320px, .8fr) 1.2fr; gap: clamp(40px, 8vw, 140px); padding: clamp(70px, 10vw, 150px) var(--gutter); border-bottom: 1px solid var(--ink); }
.evidence-plate header { display: grid; align-content: start; gap: 20px; }
.evidence-copy > p { max-width: 700px; margin: 0 0 40px; font-size: clamp(20px, 2.3vw, 34px); line-height: 1.15; }
.evidence-register { margin: 0; border-top: 1px solid var(--ink); }
.evidence-register div { display: grid; grid-template-columns: minmax(150px, .55fr) 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.evidence-register dt { font: 500 clamp(28px, 3vw, 48px)/1 var(--font-mono); letter-spacing: -.06em; }
.evidence-register dd { margin: 0; color: var(--ink-2); font-size: 13px; line-height: 1.5; }
.method-register { margin: 0; padding: 0; border-top: 1px solid var(--ink); list-style: none; }
.method-register li { display: grid; grid-template-columns: 64px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.method-register > li > span { color: var(--ink-3); font: 500 9px/1 var(--font-mono); }
.method-register h3 { margin: 0; font-size: 20px; }
.method-register p { margin: 7px 0 0; color: var(--ink-2); line-height: 1.5; }
.text-link { min-height: 40px; display: inline-flex; align-items: center; gap: 8px; margin-top: 28px; padding-bottom: 4px; border-bottom: 1px solid currentColor; font: 600 9px/1 var(--font-mono); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }

.lab-footer { display: grid; grid-template-columns: 1fr 1fr auto; gap: 30px; align-items: end; padding: 34px var(--gutter); }
.lab-footer strong { font: 700 9px/1.2 var(--font-display); letter-spacing: .08em; text-transform: uppercase; }
.lab-footer p { margin: 8px 0 0; color: var(--ink-3); font: 500 8px/1.55 var(--font-mono); }
.lab-footer .text-link { margin-top: 0; }

.profile-dialog { width: min(760px, calc(100% - 28px)); max-height: min(880px, calc(100dvh - 28px)); padding: 0; overflow: auto; border: 1px solid var(--ink); border-radius: 0; background: var(--paper-hot); color: var(--ink); box-shadow: none; }
.profile-dialog::backdrop { background: rgba(0, 0, 0, .46); backdrop-filter: blur(4px); }
.profile-form { padding: clamp(22px, 4vw, 44px); }
.profile-head { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding-bottom: 26px; border-bottom: 1px solid var(--ink); }
.profile-head h2 { margin: 8px 0 0; font-size: clamp(32px, 5vw, 54px); letter-spacing: -.05em; }
.profile-head > p { margin: 0; color: var(--ink-2); font-size: 13px; line-height: 1.5; }
.eyebrow { margin: 0; font: 500 8px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.eyebrow-dot { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--signal); }
.profile-form .field { margin: 0; padding: 22px 0; border: 0; border-bottom: 1px solid var(--line); }
.profile-form legend { margin-bottom: 12px; font: 600 9px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.segmented { display: grid; grid-template-columns: repeat(4, 1fr); }
.segmented label, .check { position: relative; min-height: 44px; }
.segmented input, .check input { position: absolute; opacity: 0; }
.segmented span { min-height: 44px; display: grid; place-items: center; padding: 8px; border: 1px solid var(--line); border-right: 0; font-size: 11px; text-align: center; }
.segmented label:last-child span { border-right: 1px solid var(--line); }
.segmented input:checked + span { background: var(--ink); color: var(--paper); }
.segmented input:focus-visible + span, .check input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.checks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.check { display: flex; align-items: center; }
.check span { width: 100%; min-height: 44px; display: flex; align-items: center; padding: 9px 12px 9px 32px; border: 1px solid var(--line); font-size: 11px; }
.check span::before { content: ""; position: absolute; left: 11px; width: 10px; height: 10px; border: 1px solid var(--ink-3); }
.check input:checked + span::before { border-color: var(--signal); background: var(--signal); box-shadow: inset 0 0 0 2px var(--paper); }
.select { width: 100%; min-height: 46px; padding: 0 12px; border: 1px solid var(--line); border-radius: 0; background: var(--paper); color: var(--ink); }
.profile-actions { position: sticky; bottom: 0; display: flex; justify-content: flex-end; gap: 8px; padding-top: 24px; background: var(--paper-hot); }

/* Technical page */
.technical-page .lab-main { display: grid; grid-template-columns: minmax(190px, 16vw) minmax(0, 1fr); }
.technical-page .technical-index { position: sticky; top: var(--masthead-h); align-self: start; height: calc(100vh - var(--masthead-h)); padding: 32px 20px 32px var(--gutter); overflow: auto; border-right: 1px solid var(--line); }
.technical-page .technical-index p { margin: 0 0 18px; color: var(--ink-3); font: 500 7px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.technical-page .technical-index a { display: block; min-height: 40px; padding: 10px 0; color: var(--ink-2); font: 500 8px/1.3 var(--font-mono); text-decoration: none; text-transform: uppercase; }
.technical-page .technical-content { min-width: 0; }
.technical-page .doc-hero,
.technical-page .doc-section { scroll-margin-top: calc(var(--masthead-h) + 20px); }
.technical-page .doc-hero { min-height: calc(100svh - var(--masthead-h)); display: grid; align-content: end; gap: 24px; padding: clamp(60px, 10vw, 150px) var(--gutter); border-bottom: 1px solid var(--ink); }
.technical-page .doc-hero h1 { max-width: 1200px; margin: 0; font-size: clamp(54px, 9vw, 150px); letter-spacing: -.075em; line-height: .86; }
.technical-page .doc-hero > * { min-width: 0; }
.technical-page .doc-hero h1 { overflow-wrap: anywhere; }
.technical-page .doc-hero > p { max-width: 760px; margin: 0; color: var(--ink-2); font-size: clamp(18px, 2vw, 30px); line-height: 1.25; }
.technical-page .doc-section { display: grid; grid-template-columns: minmax(150px, .38fr) 1fr; gap: clamp(32px, 7vw, 110px); padding: clamp(64px, 9vw, 130px) var(--gutter); border-bottom: 1px solid var(--ink); }
.technical-page .doc-section > header h2 { margin: 12px 0 0; font-size: clamp(32px, 4vw, 66px); letter-spacing: -.05em; line-height: .95; }
.technical-page .doc-body { min-width: 0; }
.technical-page .doc-body > p,
.technical-page .doc-body > ul,
.technical-page .doc-body > ol { max-width: 820px; font-size: 16px; line-height: 1.65; }
.technical-page .doc-body li + li { margin-top: 10px; }
.technical-page .doc-diagram,
.technical-page .doc-code,
.technical-page .doc-note { margin-block: 28px; padding: 22px; border-block: 1px solid var(--line); background: color-mix(in srgb, var(--air) 5%, transparent); }
.technical-page .doc-code,
.technical-page code { font-family: var(--font-mono); }
.technical-page .doc-code { overflow: auto; color: var(--ink-2); font-size: 11px; line-height: 1.7; }
.technical-page .doc-code:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.technical-page .spec-table { width: 100%; min-width: 660px; border-collapse: collapse; color: var(--ink-2); font: 500 10px/1.55 var(--font-mono); text-align: left; }
.technical-page .spec-table th,
.technical-page .spec-table td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.technical-page .spec-table th { color: var(--ink); font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.technical-page .spec-table tr:last-child td { border-bottom: 0; }
.technical-page .tier-legend { display: flex; flex-wrap: wrap; gap: 14px 24px; background: transparent; }
.technical-page .tier-pill { min-height: 40px; display: inline-flex; align-items: center; gap: 8px; color: var(--ink-2); font: 600 9px/1 var(--font-mono); text-transform: uppercase; }
.technical-page .tier-pill i { width: 9px; height: 9px; flex: 0 0 auto; background: var(--tier-color); }
.technical-page .tier-pill[data-t="0"] { --tier-color: var(--t0); }
.technical-page .tier-pill[data-t="1"] { --tier-color: var(--t1); }
.technical-page .tier-pill[data-t="2"] { --tier-color: var(--t2); }
.technical-page .tier-pill[data-t="3"] { --tier-color: var(--t3); }
.technical-page .tier-pill[data-t="4"] { --tier-color: var(--t4); }
.technical-page .tok-c { color: var(--ink-3); }
.technical-page .tok-k { color: var(--ink); font-weight: 600; }
.technical-page .tok-f { color: var(--signal-text); font-weight: 600; }
.technical-page .tok-n { color: color-mix(in srgb, var(--air) 68%, var(--ink)); }
.technical-page .tok-s { color: color-mix(in srgb, var(--pollen) 68%, var(--ink)); }

@media (hover: hover) and (pointer: fine) {
  .lab-nav a:hover::after { transform: scaleX(1); }
  .btn:hover { border-color: var(--ink); }
  .btn-primary:hover::before { clip-path: inset(0); }
  .btn-primary:hover { color: #090a0a; }
  .suggestions li:hover { background: color-mix(in srgb, var(--signal) 32%, var(--paper-hot)); }
  .technical-page .technical-index a:hover { color: var(--ink); }
}
.btn-primary:active::before { clip-path: inset(0); }
.btn-primary:active { color: #090a0a; }

@media (max-width: 1050px) {
  :root { --masthead-h: 68px; }
  .lab-masthead { grid-template-columns: auto 1fr auto; gap: 14px; }
  .lab-nav { justify-self: center; gap: 14px; }
  .lab-nav a { font-size: 8px; }
  .lab-nav a span { display: none; }
  .btn-profile { min-width: 44px; width: 44px; padding: 0; justify-content: center; }
  .btn-profile > span:last-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  body[data-view="idle"] .environment-field,
  body[data-view="search"] .environment-field { opacity: .58; }
  .stage-registration { grid-template-columns: 1fr 1fr 1fr; }
  .field-signals { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
  .field-signals li { justify-content: center; }
  .risk-lead { grid-template-columns: 1fr; gap: 36px; }
  .action { grid-template-columns: 100px 1fr; }
  .action-meta, .action-source { grid-column: 2; }
  .hazard { grid-column: span 6; }
  .hazard:nth-child(2), .hazard:nth-child(3), .hazard:nth-child(4) { grid-column: span 6; }
  .hazard:nth-child(2) { border-right: 0; }
  .technical-page .lab-main { grid-template-columns: 1fr; }
  .technical-page .technical-index { position: sticky; z-index: 20; top: var(--masthead-h); height: auto; display: flex; gap: 16px; padding: 10px var(--gutter); overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); background: var(--paper); }
  .technical-page .technical-index p { display: none; }
  .technical-page .technical-index a { flex: 0 0 auto; min-height: 40px; }
}

@media (max-width: 640px) {
  :root { --masthead-h: 60px; --gutter: 18px; }
  html { scroll-padding-bottom: 72px; }
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  .lab-masthead { grid-template-columns: 1fr; padding-inline: 14px; background: var(--paper); backdrop-filter: none; }
  .lab-brand small { display: none; }
  .lab-actions {
    position: fixed;
    z-index: 61;
    right: 0;
    bottom: 0;
    width: 88px;
    height: calc(64px + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: repeat(2, 44px);
    align-items: start;
    gap: 0;
    padding-bottom: env(safe-area-inset-bottom);
    border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--paper) 96%, transparent);
    backdrop-filter: blur(14px);
  }
  .lab-actions .btn { width: 44px; min-width: 44px; height: 64px; border-width: 0 0 0 1px; }
  .btn-theme { padding: 0; font-size: 0; }
  .btn-theme span:first-child { margin: 0; font-size: 15px; }
  .lab-nav {
    position: fixed;
    z-index: 60;
    right: 88px;
    bottom: 0;
    left: 0;
    height: calc(64px + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    padding-bottom: env(safe-area-inset-bottom);
    border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--paper) 96%, transparent);
    backdrop-filter: blur(14px);
  }
  .lab-nav a { min-width: 0; height: 64px; display: grid; place-items: center; padding: 0 3px; border-right: 1px solid var(--hair); font-size: 7px; line-height: 1.2; text-align: center; white-space: normal; overflow-wrap: anywhere; }
  .lab-nav a::after { display: none; }
  .lab-stage { min-height: calc(100svh - var(--masthead-h) - 64px); padding-top: 12px; }
  .stage-meta { grid-template-columns: 1fr auto; }
  .stage-meta span:nth-child(2) { display: none; }
  .envi-wordmark { position: relative; max-width: 100%; display: flex; flex-wrap: wrap; padding-bottom: 15px; font-size: clamp(58px, 21.5vw, 106px); letter-spacing: -.13em; white-space: normal; }
  .envi-wordmark::after { position: absolute; right: 0; bottom: 0; width: 18px; height: 3px; margin: 0; }
  .stage-promise { margin-top: 26px; font-size: clamp(29px, 9vw, 42px); }
  .stage-descriptor { max-width: 300px; font-size: 7px; line-height: 1.6; }
  .location-composer { width: 100%; margin-top: 28px; }
  .composer-form { grid-template-columns: 1fr; }
  .composer-actions { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
  .composer-actions .btn-primary { min-width: 0; }
  .composer-actions .btn-secondary { width: 100%; font-size: 8px; }
  .composer-actions .btn-secondary span:first-child { margin-right: 8px; }
  .stage-registration { grid-template-columns: 1fr 1fr; gap: 10px; padding-top: 10px; }
  .stage-registration > .field-state { grid-column: 1 / -1; padding-block: 8px; border-block: 1px solid var(--line); }
  .field-signals { grid-template-columns: repeat(2, 1fr); }
  .field-signals li { justify-content: flex-start; padding-inline: 10px; }
  body[data-view="idle"] .environment-field,
  body[data-view="search"] .environment-field { opacity: .46; }
  body[data-view="scanning"] .environment-field { opacity: .62; }
  .scan-progress { width: calc(100% - 36px); padding: 18px; }
  .scan-progress header { grid-template-columns: 1fr; gap: 8px; }
  .scan-progress ol { grid-template-columns: repeat(2, 1fr); }
  .scan-progress li { min-height: 84px; }
  body[data-view="results"] .lab-stage { min-height: 92px; }
  .result-spread { padding-top: 48px; }
  .result-masthead, .action-protocol > header, .hazard-index-wrap > header { grid-template-columns: 1fr; gap: 12px; }
  .coverage-chip { max-width: 100%; }
  .result-registration { grid-column: 1; grid-template-columns: 1fr; align-items: start; }
  .risk-lead { grid-template-columns: 1fr; min-height: 0; padding-block: 46px; }
  .risk-orbit { width: min(250px, 78vw); justify-self: center; }
  .risk-tier { font-size: clamp(48px, 17vw, 78px); }
  .risk-meta { grid-template-columns: 1fr; }
  .risk-meta div { border-right: 0; border-bottom: 1px solid var(--line); }
  .risk-meta div:last-child { border-bottom: 0; }
  .action { grid-template-columns: 1fr; gap: 12px; }
  .action-meta, .action-source { grid-column: 1; }
  .hazard-index { grid-template-columns: 1fr; }
  .hazard, .hazard:nth-child(2), .hazard:nth-child(3), .hazard:nth-child(4) { grid-column: 1; border-right: 0; }
  .hazard-reading strong { font-size: 54px; }
  .evidence-plate { grid-template-columns: 1fr; }
  .evidence-register div { grid-template-columns: 1fr; }
  .lab-footer { grid-template-columns: 1fr; align-items: start; padding-block: 28px; }
  .profile-dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px); }
  .profile-form { padding: 18px; }
  .profile-head { grid-template-columns: 1fr; gap: 14px; }
  .segmented { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .segmented span, .segmented label:last-child span { border: 1px solid var(--line); }
  .checks { grid-template-columns: 1fr 1fr; }
  .profile-actions { padding-bottom: max(4px, env(safe-area-inset-bottom)); }
  .technical-page .doc-hero { min-height: auto; padding-block: 70px; }
  .technical-page .doc-section { grid-template-columns: 1fr; }
}

@media (max-width: 390px) {
  .lab-brand strong { font-size: 9px; }
  .stage-identity { padding-block: 24px; }
  .stage-promise br { display: none; }
  .composer-input input { font-size: 16px; }
  .field-signals li { font-size: 6.5px; }
  .result-masthead h2, .action-protocol h2, .hazard-index-wrap h2, .evidence-plate h2 { font-size: 36px; }
  .checks { grid-template-columns: 1fr; }
}
@media (max-width: 640px) and (max-height: 700px) {
  .stage-identity { flex: 0 0 auto; justify-content: flex-start; }
}


@media (max-width: 340px) {
  .lab-masthead { padding-inline: 10px; }
  .lab-brand-mark { width: 26px; height: 26px; }
  .envi-wordmark { font-size: clamp(56px, 21vw, 66px); }
  .stage-registration strong { font-size: 8px; overflow-wrap: anywhere; }
  .field-signals li { padding-inline: 7px; }
  .lab-nav a { font-size: 6px; }
}

::view-transition-old(root) { animation: none; }
::view-transition-new(root) { animation: theme-reveal 240ms var(--ease-out); }
@keyframes theme-reveal {
  from { clip-path: circle(0 at var(--theme-x, 100%) var(--theme-y, 0)); }
  to { clip-path: circle(150% at var(--theme-x, 100%) var(--theme-y, 0)); }
}

@media (prefers-reduced-motion: reduce) {
  html, *, *::before, *::after { scroll-behavior: auto !important; }
  ::view-transition-old(root),
  ::view-transition-new(root) { animation: none !important; }
  .scan-progress::before { display: none; }
  .skip-link { transition: none; }
  .btn { transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease; }
  .btn:active { transform: none; }
  .environment-field,
  .stage-identity,
  .envi-wordmark,
  .result-spread { transition: opacity 160ms ease; }
  .gauge-value { transition: stroke 160ms ease; }
  .lab-nav a::after,
  .btn-primary::before { transition: none; }
  body[data-view="scanning"] .stage-identity,
  body[data-view="scanning"] .envi-wordmark { transform: none; }
}