/* Signal Atlas
   Paper atlas meets live intelligence instrument.
   Static, dependency-free, accessible, and deliberately restrained. */

:root {
  --field: #08111c;
  --field-soft: #0f1a27;
  --field-raise: #152231;
  --paper: #f1efe8;
  --paper-bright: #fbfaf6;
  --paper-deep: #e6e2d8;
  --ink: #111820;
  --ink-soft: #3f4852;
  --ink-mute: #68717a;
  --line: #cbc6bb;
  --line-dark: #314052;
  --signal: #e5aa36;
  --signal-bright: #f4bd4e;
  --ice: #98b5cf;
  --teal: #3f8a79;
  --coral: #e96c53;
  --white: #ffffff;
  --display: "Segoe UI Variable Display", "Aptos Display", "Segoe UI", system-ui, sans-serif;
  --text: "Segoe UI Variable Text", "Aptos", "Segoe UI", system-ui, sans-serif;
  --serif: Charter, "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page: 1240px;
  --pad: 32px;
  --shadow: 0 26px 70px rgba(1, 8, 16, 0.22);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 17px;
  line-height: 1.58;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
}

button,
input,
textarea,
select {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

img,
canvas {
  display: block;
  max-width: 100%;
}

::selection {
  background: var(--signal);
  color: var(--field);
}

.skip-link {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 200;
  padding: 10px 14px;
  background: var(--paper-bright);
  color: var(--ink);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: min(100% - (var(--pad) * 2), var(--page));
  margin: 0 auto;
}

.mono {
  font-family: var(--mono);
}

.muted,
.mute {
  color: var(--ink-mute);
}

.signal-strip {
  min-height: 32px;
  background: #050b12;
  color: #aeb9c5;
  border-bottom: 1px solid #1d2a38;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.35;
}

.signal-strip .wrap {
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.signal-strip strong {
  color: var(--signal-bright);
  font-weight: 650;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 17, 28, 0.96);
  border-bottom: 1px solid rgba(152, 181, 207, 0.2);
  color: var(--white);
  backdrop-filter: blur(14px);
}

.site-header .wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-family: var(--display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: none;
  border: 1px solid rgba(152, 181, 207, 0.48);
  border-radius: 50%;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.brand-mark::before {
  top: 7px;
  width: 17px;
  height: 8px;
  border: 2px solid var(--signal);
  border-bottom: 0;
  border-radius: 18px 18px 0 0;
}

.brand-mark::after {
  top: 10px;
  width: 2px;
  height: 18px;
  background: linear-gradient(to bottom, var(--signal) 0 52%, var(--ice) 52% 100%);
  clip-path: polygon(0 0, 100% 0, 55% 100%, 45% 100%);
}

.brand-word-light {
  font-weight: 420;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  position: relative;
  color: #c3ccd5;
  font-size: 14px;
  font-weight: 530;
  text-decoration: none;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -9px;
  height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.active {
  color: var(--white);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.active::after {
  transform: scaleX(1);
}

.site-nav .nav-cta {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 17px;
  background: var(--signal);
  color: var(--field);
  border: 1px solid var(--signal);
  border-radius: 3px;
  font-weight: 730;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: var(--signal-bright);
  color: var(--field);
}

.menu-toggle {
  width: 42px;
  height: 42px;
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 3px;
  color: var(--white);
  cursor: pointer;
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  width: 18px;
  height: 1px;
  display: block;
  background: currentColor;
}

.menu-toggle-lines {
  position: relative;
}

.menu-toggle-lines::before,
.menu-toggle-lines::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle-lines::before {
  top: -6px;
}

.menu-toggle-lines::after {
  top: 6px;
}

.button,
.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid currentColor;
  border-radius: 3px;
  font-size: 15px;
  font-weight: 690;
  line-height: 1;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover,
.btn:hover {
  transform: translateY(-1px);
}

.button-primary,
.btn.primary,
.btn.signal {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--field);
}

.button-primary:hover,
.button-primary:focus-visible,
.btn.primary:hover,
.btn.signal:hover {
  background: var(--signal-bright);
  border-color: var(--signal-bright);
}

.button-secondary,
.btn.ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.46);
  color: var(--white);
}

.atlas-hero .button-secondary {
  background: rgba(8, 17, 28, 0.74);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--white);
  border-color: var(--white);
  color: var(--field);
}

.button-ink {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-bright);
}

.button-ink:hover,
.button-ink:focus-visible {
  background: var(--field-raise);
}

.button-paper {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.button-paper:hover,
.button-paper:focus-visible,
.btn.ghost:hover {
  background: var(--paper-deep);
  color: var(--ink);
}

.atlas-hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  background: var(--field);
  color: var(--white);
  isolation: isolate;
}

.forecast-field {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
}

.hero-inner {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.72fr);
  align-items: center;
  gap: 80px;
  padding-top: 70px;
  padding-bottom: 74px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow,
.kicker,
.section-label,
.page-index {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--signal-bright);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow::before,
.section-label::before,
.page-index::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.atlas-hero h1 {
  max-width: 830px;
  margin: 25px 0 24px;
  font-family: var(--display);
  font-size: 80px;
  font-weight: 610;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 650px;
  color: #c5ced8;
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-footnote {
  max-width: 620px;
  margin-top: 25px;
  color: #8795a4;
  font-family: var(--mono);
  font-size: 11px;
}

.field-readout {
  width: 100%;
  max-width: 470px;
  justify-self: end;
  border: 1px solid rgba(152, 181, 207, 0.34);
  border-radius: 5px;
  background: rgba(8, 17, 28, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.readout-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(152, 181, 207, 0.24);
  color: #9eabb8;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.readout-live {
  color: #87d4b3;
}

.readout-body {
  padding: 22px 22px 20px;
}

.readout-question {
  margin: 0 0 23px;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 610;
  line-height: 1.28;
}

.probability-lockup {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: end;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(152, 181, 207, 0.2);
}

.probability-number {
  color: var(--signal-bright);
  font-family: var(--display);
  font-size: 62px;
  font-weight: 560;
  line-height: 0.86;
}

.probability-meta {
  color: #91a0ae;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.55;
  text-transform: uppercase;
}

.readout-list {
  list-style: none;
  margin-top: 4px;
}

.readout-list li {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(152, 181, 207, 0.16);
}

.readout-list li:last-child {
  border-bottom: 0;
}

.readout-list span {
  color: #8291a0;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.readout-list strong {
  color: #dbe2e9;
  font-size: 13px;
  font-weight: 540;
}

.readout-triggers {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 13px;
}

.readout-tag {
  padding: 5px 7px;
  border: 1px solid rgba(152, 181, 207, 0.3);
  border-radius: 2px;
  color: #b6c1cc;
  font-family: var(--mono);
  font-size: 9px;
}

.readout-tag.signal {
  border-color: rgba(229, 170, 54, 0.62);
  color: var(--signal-bright);
}

.proof-rail {
  background: var(--paper-bright);
  border-bottom: 1px solid var(--line);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.proof-item {
  min-height: 128px;
  padding: 26px 28px 24px 0;
  border-right: 1px solid var(--line);
}

.proof-item + .proof-item {
  padding-left: 28px;
}

.proof-item:last-child {
  border-right: 0;
}

.proof-item span {
  display: block;
  margin-bottom: 8px;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 10px;
}

.proof-item strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--display);
  font-size: 16px;
}

.proof-item p {
  color: var(--ink-mute);
  font-size: 13px;
  line-height: 1.45;
}

.content-section {
  padding: 104px 0;
}

.content-section.compact {
  padding: 72px 0;
}

.content-section.paper-bright {
  background: var(--paper-bright);
}

.content-section.dark {
  background: var(--field);
  color: var(--white);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.52fr);
  gap: 70px;
  align-items: end;
  margin-bottom: 54px;
}

.section-heading h2,
.page-hero h1,
.closing-call h2 {
  margin-top: 16px;
  font-family: var(--display);
  font-size: 54px;
  font-weight: 610;
  line-height: 1.04;
  letter-spacing: 0;
}

.section-heading p {
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.55;
}

.dark .section-heading p {
  color: #9daab7;
}

.section-label {
  color: var(--signal);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  color: var(--ink);
  font-weight: 680;
  text-decoration: none;
}

.text-link::after {
  content: "→";
  transition: transform 160ms ease;
}

.text-link:hover::after,
.text-link:focus-visible::after {
  transform: translateX(4px);
}

.dark .text-link {
  color: var(--signal-bright);
}

.forecast-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.forecast-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.forecast-filter {
  padding: 7px 11px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--ink-mute);
  font-size: 13px;
  cursor: pointer;
}

.forecast-filter:hover,
.forecast-filter:focus-visible,
.forecast-filter.active {
  border-color: var(--ink);
  color: var(--ink);
}

.forecast-disclosure {
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 10px;
  align-self: center;
}

.forecast-list {
  border-bottom: 1px solid var(--line);
}

.forecast-card {
  border-top: 1px solid var(--line);
}

.forecast-card[hidden] {
  display: none;
}

.forecast-summary {
  width: 100%;
  min-height: 142px;
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) 120px 42px;
  gap: 28px;
  align-items: center;
  padding: 22px 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.forecast-summary:hover .forecast-title,
.forecast-summary:focus-visible .forecast-title {
  color: var(--signal);
}

.forecast-domain {
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.forecast-title {
  max-width: 800px;
  font-family: var(--display);
  font-size: 25px;
  font-weight: 600;
  line-height: 1.28;
  transition: color 160ms ease;
}

.forecast-probability {
  color: var(--ink);
  font-family: var(--display);
  font-size: 36px;
  font-weight: 560;
  text-align: right;
}

.forecast-probability small {
  display: block;
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  text-transform: uppercase;
}

.forecast-plus {
  position: relative;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.forecast-plus::before,
.forecast-plus::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 1px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform 180ms ease;
}

.forecast-plus::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.forecast-summary[aria-expanded="true"] .forecast-plus::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.forecast-detail {
  display: grid;
  grid-template-columns: 130px repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding: 0 42px 30px 0;
}

.forecast-detail[hidden] {
  display: none;
}

.forecast-detail-label {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.forecast-detail h3 {
  margin-bottom: 7px;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
}

.forecast-detail p {
  color: var(--ink-mute);
  font-size: 13px;
  line-height: 1.5;
}

.instrument-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 80px;
  align-items: start;
}

.instrument-copy {
  position: sticky;
  top: 118px;
}

.instrument-copy h2 {
  margin: 18px 0 20px;
  font-family: var(--display);
  font-size: 48px;
  font-weight: 610;
  line-height: 1.04;
}

.instrument-copy > p {
  color: #9daab7;
  font-size: 17px;
}

.instrument-steps {
  margin-top: 36px;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.instrument-step {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
}

.instrument-step > span {
  color: var(--signal-bright);
  font-family: var(--mono);
  font-size: 10px;
}

.instrument-step strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--display);
  font-size: 16px;
}

.instrument-step p {
  color: #8795a4;
  font-size: 13px;
}

.instrument-panel {
  border: 1px solid var(--line-dark);
  border-radius: 5px;
  background: #0c1622;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.instrument-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-dark);
  color: #8d9baa;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.instrument-canvas {
  position: relative;
  min-height: 520px;
  padding: 38px;
  overflow: hidden;
}

.map-axis {
  position: absolute;
  inset: 34px;
  border: 1px solid rgba(152, 181, 207, 0.14);
}

.map-axis::before,
.map-axis::after {
  content: "";
  position: absolute;
  background: rgba(152, 181, 207, 0.14);
}

.map-axis::before {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
}

.map-axis::after {
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
}

.scenario-contour {
  position: absolute;
  left: 52%;
  top: 50%;
  border: 1px solid rgba(152, 181, 207, 0.18);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.scenario-contour.one { width: 110px; height: 110px; }
.scenario-contour.two { width: 210px; height: 210px; }
.scenario-contour.three { width: 320px; height: 320px; }
.scenario-contour.four { width: 430px; height: 430px; }

.source-node {
  position: absolute;
  width: 11px;
  height: 11px;
  border: 2px solid var(--field);
  border-radius: 50%;
  background: var(--ice);
  box-shadow: 0 0 0 1px rgba(152, 181, 207, 0.5);
}

.source-node::after {
  content: attr(data-label);
  position: absolute;
  left: 16px;
  top: -4px;
  color: #95a3b1;
  font-family: var(--mono);
  font-size: 9px;
  white-space: nowrap;
}

.source-node.primary {
  background: var(--signal);
  box-shadow: 0 0 0 1px rgba(229, 170, 54, 0.66), 0 0 18px rgba(229, 170, 54, 0.24);
}

.source-node.trigger {
  background: var(--coral);
  box-shadow: 0 0 0 1px rgba(233, 108, 83, 0.7), 0 0 18px rgba(233, 108, 83, 0.3);
}

.scenario-readout {
  position: absolute;
  left: 42px;
  bottom: 38px;
  width: min(340px, calc(100% - 84px));
  background: rgba(8, 17, 28, 0.88);
  border-left: 2px solid var(--signal);
  padding: 15px 17px;
}

.scenario-readout span {
  color: #8694a2;
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.scenario-readout strong {
  display: block;
  margin: 5px 0 3px;
  font-family: var(--display);
  font-size: 18px;
}

.scenario-readout p {
  color: #9daab7;
  font-size: 12px;
}

.instrument-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
}

.instrument-foot div {
  padding: 15px 16px;
  border-right: 1px solid var(--line-dark);
}

.instrument-foot div:last-child {
  border-right: 0;
}

.instrument-foot span {
  display: block;
  color: #708090;
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.instrument-foot strong {
  color: #d5dde5;
  font-size: 13px;
}

.record-shell {
  border-top: 2px solid var(--ink);
}

.record-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}

.record-meta div {
  min-height: 96px;
  padding: 19px 22px;
  border-right: 1px solid var(--line);
}

.record-meta div:last-child {
  border-right: 0;
}

.record-meta span {
  display: block;
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.record-meta strong {
  display: block;
  margin-top: 6px;
  font-family: var(--display);
  font-size: 18px;
}

.ledger-scroll {
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
}

table.ledger {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: transparent;
  font-size: 14px;
}

table.ledger th {
  padding: 12px 16px;
  background: var(--paper-deep);
  border: 0;
  border-bottom: 1px solid var(--ink);
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 560;
  letter-spacing: 0;
  text-align: left;
  text-transform: uppercase;
}

table.ledger td {
  padding: 15px 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  vertical-align: top;
}

table.ledger tbody tr:hover {
  background: var(--paper-bright);
}

table.ledger tbody tr:last-child td {
  border-bottom: 0;
}

table.ledger .num {
  color: var(--ink);
  font-family: var(--mono);
  white-space: nowrap;
}

.record-note {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 30px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.record-note strong {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.record-note p {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 14px;
}

.use-list {
  border-top: 1px solid var(--line);
}

.use-row {
  display: grid;
  grid-template-columns: 80px minmax(0, 0.9fr) minmax(0, 1.1fr) 170px;
  gap: 34px;
  align-items: center;
  min-height: 168px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.use-row:hover .use-title,
.use-row:focus-visible .use-title {
  color: var(--signal);
}

.use-number {
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 11px;
}

.use-title {
  font-family: var(--display);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.15;
  transition: color 160ms ease;
}

.use-row p {
  color: var(--ink-soft);
  font-size: 15px;
}

.use-product {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.use-product::after {
  content: "↗";
  color: var(--signal);
  font-size: 16px;
}

.method-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.method-phase {
  min-height: 250px;
  padding: 30px 32px 34px;
  border-right: 1px solid var(--line);
}

.method-phase:last-child {
  border-right: 0;
}

.method-phase span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 11px;
}

.method-phase h3 {
  margin: 42px 0 14px;
  font-family: var(--display);
  font-size: 31px;
  font-weight: 600;
}

.method-phase p {
  color: var(--ink-soft);
  font-size: 15px;
}

.closing-call {
  position: relative;
  overflow: hidden;
  background: var(--field);
  color: var(--white);
  border-top: 1px solid var(--line-dark);
}

.closing-call .wrap {
  min-height: 480px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 80px;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 80px;
}

.closing-call h2 {
  max-width: 800px;
  font-size: 64px;
}

.closing-call p {
  max-width: 620px;
  margin-top: 20px;
  color: #9daab7;
  font-size: 18px;
}

.closing-action {
  justify-self: end;
  text-align: right;
}

.closing-action .button {
  margin-bottom: 18px;
}

.closing-action small {
  display: block;
  color: #718191;
  font-family: var(--mono);
  font-size: 10px;
}

.site-footer {
  background: #050b12;
  color: #83909d;
  border-top: 1px solid var(--line-dark);
  padding: 62px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 0.62fr);
  gap: 54px;
}

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-brand p {
  max-width: 390px;
  color: #778593;
  font-size: 13px;
}

.footer-col h2 {
  margin-bottom: 14px;
  color: #d7dfe6;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 560;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  padding: 4px 0;
  color: #8d9aa7;
  font-size: 13px;
  text-decoration: none;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--signal-bright);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid #172330;
  color: #60707f;
  font-family: var(--mono);
  font-size: 9px;
}

/* Interior pages */
.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--paper-bright);
  border-bottom: 1px solid var(--line);
}

.page-hero .wrap {
  min-height: 500px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.58fr);
  gap: 80px;
  align-items: end;
  padding-top: 92px;
  padding-bottom: 72px;
}

.page-hero h1 {
  max-width: 820px;
  font-size: 68px;
}

.page-lede {
  max-width: 680px;
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: 19px;
}

.page-aside {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-left: 1px solid var(--line);
  padding-left: 34px;
}

.page-aside span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.page-aside strong {
  margin: 9px 0 5px;
  font-family: var(--display);
  font-size: 23px;
  font-weight: 600;
}

.page-aside p {
  color: var(--ink-mute);
  font-size: 13px;
}

.stats-grid,
.grid3,
.grid2 {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.stats-grid,
.grid3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid2 {
  grid-template-columns: repeat(2, 1fr);
}

.stat-card,
.card {
  min-width: 0;
  padding: 27px 28px;
  background: var(--paper-bright);
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}

.stat-card span,
.card .kicker {
  display: block;
  margin-bottom: 18px;
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.stat-card strong,
.stat-card h3 {
  display: block;
  margin-bottom: 12px;
  font-family: var(--display);
  font-size: 34px;
  font-weight: 560;
}

.stat-card p,
.card p,
.card li {
  color: var(--ink-mute);
  font-size: 14px;
}

.card h3 {
  margin-bottom: 12px;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 610;
}

.card ul {
  list-style: none;
  margin-top: 14px;
}

.card li {
  position: relative;
  padding: 5px 0 5px 18px;
}

.card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 7px;
  height: 1px;
  background: var(--signal);
}

.card.feature {
  box-shadow: inset 0 3px 0 var(--signal);
}

.price {
  margin-bottom: 14px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
}

.price strong {
  color: var(--ink);
  font-family: var(--display);
  font-size: 28px;
  font-weight: 580;
}

.record-section + .record-section {
  margin-top: 70px;
}

.record-section-head {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: 50px;
  align-items: start;
  margin-bottom: 24px;
}

.record-section-head h2 {
  font-family: var(--display);
  font-size: 35px;
  font-weight: 610;
  line-height: 1.1;
}

.record-section-head p {
  max-width: 620px;
  color: var(--ink-mute);
  font-size: 14px;
}

.bucket-list {
  border-top: 1px solid var(--line);
}

.bucket-row {
  display: grid;
  grid-template-columns: 110px 1fr 80px;
  gap: 20px;
  align-items: center;
  min-height: 58px;
  border-bottom: 1px solid var(--line);
}

.bucket-label,
.bucket-n {
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 11px;
}

.bucket-n {
  text-align: right;
}

.bucket-track {
  position: relative;
  height: 12px;
  background: var(--paper-deep);
}

.bucket-fore,
.bucket-obs {
  position: absolute;
  inset: 0 auto 0 0;
}

.bucket-fore {
  background: var(--ice);
  opacity: 0.5;
}

.bucket-obs {
  inset: 3px auto 3px 0;
  background: var(--signal);
}

.honest-note,
.boundary {
  max-width: none;
  padding: 25px 28px;
  background: var(--paper-bright);
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
  border-radius: 0;
}

.honest-note p,
.boundary p {
  color: var(--ink-soft);
  font-size: 15px;
}

.boundary h3 {
  margin-bottom: 8px;
  font-family: var(--display);
  font-size: 20px;
}

.method-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 760px);
  gap: 90px;
  justify-content: center;
}

.method-nav {
  position: sticky;
  top: 110px;
  align-self: start;
  border-top: 1px solid var(--ink);
}

.method-nav a {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 10px;
  text-decoration: none;
}

.method-nav a:hover,
.method-nav a:focus-visible {
  color: var(--signal);
}

.method-article {
  counter-reset: chapter;
}

.method-chapter {
  counter-increment: chapter;
  padding: 0 0 52px;
  margin-bottom: 52px;
  border-bottom: 1px solid var(--line);
}

.method-chapter::before {
  content: "0" counter(chapter);
  display: block;
  margin-bottom: 12px;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 11px;
}

.method-chapter h2 {
  margin-bottom: 17px;
  font-family: var(--display);
  font-size: 37px;
  font-weight: 610;
  line-height: 1.1;
}

.method-chapter p {
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.72;
}

.method-chapter p + p {
  margin-top: 15px;
}

.pricing-family + .pricing-family {
  margin-top: 82px;
  padding-top: 82px;
  border-top: 1px solid var(--line);
}

.pricing-family-head {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 70px;
  margin-bottom: 32px;
}

.pricing-family h2 {
  font-family: var(--display);
  font-size: 42px;
  font-weight: 610;
  line-height: 1.08;
}

.pricing-family-head p {
  color: var(--ink-soft);
  font-size: 16px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
}

.pricing-tier {
  min-height: 350px;
  display: flex;
  flex-direction: column;
  padding: 27px 28px 29px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pricing-tier:first-child {
  border-left: 1px solid var(--line);
}

.pricing-tier.featured {
  background: var(--field);
  color: var(--white);
}

.pricing-tier .tier-label {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.pricing-tier h3 {
  margin: 24px 0 8px;
  font-family: var(--display);
  font-size: 25px;
  font-weight: 610;
}

.tier-price {
  margin-bottom: 20px;
  font-family: var(--display);
  font-size: 36px;
  font-weight: 560;
}

.tier-price small {
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 10px;
}

.featured .tier-price small {
  color: #7f8e9d;
}

.pricing-tier ul {
  list-style: none;
  margin-top: auto;
}

.pricing-tier li {
  position: relative;
  padding: 6px 0 6px 17px;
  color: var(--ink-soft);
  font-size: 14px;
}

.pricing-tier li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 7px;
  height: 1px;
  background: var(--signal);
}

.featured li {
  color: #aab6c1;
}

.pricing-note {
  margin-top: 18px;
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 10px;
}

.request-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 90px;
  align-items: start;
}

.request-intro h2 {
  margin: 16px 0 20px;
  font-family: var(--display);
  font-size: 44px;
  font-weight: 610;
  line-height: 1.08;
}

.request-intro p {
  color: var(--ink-soft);
}

.request-intro .button {
  margin-top: 28px;
}

.request-spec {
  border-top: 1px solid var(--ink);
}

.request-row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}

.request-row span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 10px;
}

.request-row h3 {
  margin-bottom: 5px;
  font-family: var(--display);
  font-size: 20px;
}

.request-row p {
  color: var(--ink-mute);
  font-size: 14px;
}

.request-channel {
  margin-top: 36px;
  padding: 25px 28px;
  background: var(--field);
  color: var(--white);
  border-left: 3px solid var(--signal);
}

.request-channel span {
  display: block;
  color: #7e8d9c;
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.request-channel a {
  display: block;
  margin-top: 5px;
  color: var(--signal-bright);
  font-family: var(--display);
  font-size: 22px;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.subpage-cta {
  padding: 72px 0;
  background: var(--paper-bright);
  border-top: 1px solid var(--line);
}

.subpage-cta .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.subpage-cta h2 {
  max-width: 700px;
  font-family: var(--display);
  font-size: 38px;
  font-weight: 610;
  line-height: 1.12;
}

/* Focus */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--signal-bright);
  outline-offset: 4px;
}

/* Responsive */
@media (max-width: 1080px) {
  :root { --pad: 26px; }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
    gap: 44px;
  }

  .atlas-hero h1 { font-size: 68px; }
  .section-heading h2 { font-size: 48px; }
  .use-row { grid-template-columns: 60px minmax(0, 0.85fr) minmax(0, 1.15fr) 130px; gap: 25px; }
  .page-hero h1 { font-size: 58px; }
}

@media (max-width: 880px) {
  .signal-strip .wrap > div:last-child { display: none; }
  .menu-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    inset: 104px 0 auto;
    min-height: calc(100vh - 104px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 22px var(--pad) 40px;
    background: var(--field);
  }

  .site-nav.open { display: flex; }

  .site-nav a {
    padding: 15px 0;
    border-bottom: 1px solid var(--line-dark);
    font-size: 18px;
  }

  .site-nav a:not(.nav-cta)::after { display: none; }

  .site-nav .nav-cta {
    margin-top: 22px;
    min-height: 50px;
    border-bottom: 0;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 42px;
    padding-top: 62px;
  }

  .field-readout { justify-self: start; max-width: 560px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(2) { border-right: 0; }
  .proof-item:nth-child(n + 3) { border-top: 1px solid var(--line); }

  .section-heading,
  .instrument-layout,
  .page-hero .wrap,
  .pricing-family-head,
  .request-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .instrument-copy { position: static; }
  .forecast-summary { grid-template-columns: 100px minmax(0, 1fr) 90px 38px; gap: 18px; }
  .forecast-detail { grid-template-columns: 100px repeat(3, 1fr); gap: 18px; }
  .use-row { grid-template-columns: 50px minmax(0, 1fr) 100px; }
  .use-row p { grid-column: 2 / -1; }
  .method-layout { grid-template-columns: 1fr; gap: 45px; }
  .method-nav { position: static; }
  .method-nav a { display: inline-flex; margin-right: 16px; }
  .stats-grid, .grid3 { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-tier { min-height: auto; }
  .pricing-tier + .pricing-tier { border-left: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-col:last-child { grid-column: 2; }
  .page-hero .wrap { min-height: 440px; align-items: start; }
  .page-aside { border-left: 0; border-top: 1px solid var(--line); padding: 22px 0 0; }
}

@media (max-width: 640px) {
  :root { --pad: 20px; }

  body { font-size: 16px; }
  .signal-strip { font-size: 9px; }
  .site-header .wrap { min-height: 64px; }
  .site-nav { inset: 96px 0 auto; min-height: calc(100vh - 96px); }
  .brand { font-size: 17px; }
  .brand-mark { width: 30px; height: 30px; }
  .atlas-hero { min-height: auto; }
  .hero-inner { min-height: auto; padding-top: 50px; padding-bottom: 54px; }
  .atlas-hero h1 { font-size: 48px; line-height: 1.02; }
  .hero-lede { font-size: 17px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-footnote { font-size: 9px; }
  .field-readout { display: none; }
  .readout-head { display: block; }
  .readout-head span { display: block; }
  .probability-lockup { grid-template-columns: 1fr; }
  .probability-number { font-size: 54px; }
  .readout-list li { grid-template-columns: 92px 1fr; gap: 10px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-item,
  .proof-item + .proof-item {
    min-height: 0;
    padding: 20px 0;
    border-right: 0;
    border-top: 1px solid var(--line);
  }
  .proof-item:first-child { border-top: 0; }
  .content-section { padding: 72px 0; }
  .content-section.compact { padding: 56px 0; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2,
  .page-hero h1,
  .closing-call h2 { font-size: 39px; }
  .section-heading p { font-size: 16px; }
  .forecast-toolbar { display: block; }
  .forecast-disclosure { display: block; margin-top: 12px; }
  .forecast-summary { grid-template-columns: 1fr 66px 34px; min-height: 0; padding: 22px 0; }
  .forecast-domain { grid-column: 1 / -1; }
  .forecast-title { font-size: 20px; }
  .forecast-probability { font-size: 29px; }
  .forecast-detail { grid-template-columns: 1fr; padding: 0 0 26px; }
  .forecast-detail-label { display: none; }
  .instrument-copy h2 { font-size: 38px; }
  .instrument-canvas { min-height: 430px; padding: 20px; }
  .map-axis { inset: 20px; }
  .scenario-contour.three { width: 280px; height: 280px; }
  .scenario-contour.four { width: 370px; height: 370px; }
  .source-node::after { display: none; }
  .scenario-readout { left: 24px; bottom: 24px; width: calc(100% - 48px); }
  .instrument-foot { grid-template-columns: 1fr; }
  .instrument-foot div { border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .instrument-foot div:last-child { border-bottom: 0; }
  .record-meta { grid-template-columns: 1fr; }
  .record-meta div { border-right: 0; border-bottom: 1px solid var(--line); }
  .record-note { grid-template-columns: 1fr; gap: 8px; }
  .use-row { grid-template-columns: 40px 1fr; gap: 18px; min-height: 0; padding: 25px 0; }
  .use-row p, .use-product { grid-column: 2; }
  .use-title { font-size: 25px; }
  .method-strip { grid-template-columns: 1fr; }
  .method-phase { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .method-phase:last-child { border-bottom: 0; }
  .method-phase h3 { margin-top: 26px; }
  .closing-call .wrap { min-height: 420px; grid-template-columns: 1fr; gap: 34px; }
  .closing-action { justify-self: start; text-align: left; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col:last-child { grid-column: auto; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-bottom: 8px; }
  .page-hero .wrap { min-height: 400px; padding-top: 64px; padding-bottom: 52px; }
  .page-lede { font-size: 17px; }
  .stats-grid, .grid3, .grid2 { grid-template-columns: 1fr; }
  .record-section-head { grid-template-columns: 1fr; gap: 14px; }
  .record-section-head h2 { font-size: 31px; }
  .bucket-row { grid-template-columns: 75px 1fr 42px; gap: 10px; }
  .method-layout { display: block; }
  .method-nav { margin-bottom: 42px; }
  .method-nav a { display: flex; margin-right: 0; }
  .method-chapter h2 { font-size: 31px; }
  .method-chapter p { font-size: 17px; }
  .pricing-family h2 { font-size: 35px; }
  .request-intro h2 { font-size: 35px; }
  .request-row { grid-template-columns: 44px 1fr; gap: 14px; }
  .request-channel a { font-size: 18px; }
  .subpage-cta .wrap { display: block; }
  .subpage-cta h2 { margin-bottom: 25px; font-size: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .signal-strip,
  .site-header,
  .menu-toggle,
  .closing-call,
  .site-footer,
  .forecast-field { display: none !important; }
  body { background: white; color: black; }
  .atlas-hero, .page-hero { background: white; color: black; min-height: 0; }
  .hero-inner, .page-hero .wrap { min-height: 0; padding: 30px 0; }
  .field-readout { border: 1px solid #888; background: white; color: black; box-shadow: none; }
  .readout-question, .readout-list strong { color: black; }
}