:root {
  --ink: #10132c;
  --ink-soft: #444763;
  --paper: #f2f3ff;
  --panel: #fbfbff;
  --rule: #c8cbe1;
  --damage: #e24b3f;
  --damage-wash: #ffd8d2;
  --benefit: #167e78;
  --benefit-wash: #c7f1e9;
  --electric: #3f45f2;
  --highlighter: #d9ef48;
  --shadow: 7px 8px 0 var(--ink);
  --display: Georgia, "Times New Roman", serif;
  --body: "Trebuchet MS", "Segoe UI", sans-serif;
  --utility: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.5;
}

button, input, select, summary { font: inherit; }

button { color: inherit; }

.masthead {
  min-height: 84px;
  padding: 14px clamp(20px, 4vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--ink);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 11px;
  color: inherit;
  font-family: var(--utility);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1.05;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark-mark {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  background: var(--ink);
  color: var(--highlighter);
  border-radius: 50%;
  font-family: var(--display);
  font-size: 22px;
  font-style: italic;
}

.masthead-note {
  margin: 0;
  font-family: var(--utility);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.masthead-actions {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 42px);
}

.paper-link {
  padding: 9px 12px;
  background: var(--ink);
  color: var(--highlighter);
  border: 2px solid var(--ink);
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}

.paper-link:hover,
.paper-link:focus-visible {
  background: var(--highlighter);
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  min-height: 580px;
  border-bottom: 2px solid var(--ink);
}

.hero-copy {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 8vw, 116px) clamp(28px, 6vw, 96px);
  background: var(--electric);
  color: white;
}

.hero-copy::after {
  content: "≠";
  position: absolute;
  right: -20px;
  bottom: -155px;
  color: rgba(255,255,255,.1);
  font-family: var(--display);
  font-size: 440px;
  line-height: 1;
  pointer-events: none;
}

.eyebrow {
  position: relative;
  z-index: 1;
  margin: 0 0 20px;
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2, h3 { font-family: var(--display); }

h1 {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0;
  font-size: clamp(64px, 8.3vw, 132px);
  font-weight: 400;
  letter-spacing: -.065em;
  line-height: .78;
}

h1 em {
  position: relative;
  font-weight: 400;
}

h1 em::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -.04em;
  right: -.04em;
  bottom: .02em;
  height: .22em;
  background: var(--highlighter);
  transform: rotate(-1deg);
}

.hero-deck {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 42px 0 0;
  font-size: clamp(17px, 1.6vw, 22px);
  line-height: 1.45;
}

.proof-form {
  display: grid;
  grid-template-columns: 1fr 150px;
  align-content: center;
  gap: 22px 18px;
  padding: clamp(38px, 6vw, 82px);
  background-image: linear-gradient(rgba(16,19,44,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(16,19,44,.055) 1px, transparent 1px);
  background-size: 25px 25px;
}

.field { min-width: 0; }

.field-event { grid-column: 1 / -1; }

.advanced-settings {
  grid-column: 1 / -1;
  padding: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.advanced-settings summary {
  padding: 14px 0;
  cursor: pointer;
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  list-style-position: inside;
  text-transform: uppercase;
}

.advanced-settings[open] { padding-bottom: 18px; }

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 16px;
}

.preset-button {
  padding: 8px 10px;
  background: var(--panel);
  border: 1px solid var(--ink);
  cursor: pointer;
  font-family: var(--utility);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.preset-button.is-active { background: var(--ink); color: var(--highlighter); }

.advanced-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.advanced-grid input, .advanced-grid select { height: 45px; padding: 0 11px; }
.field-picking { grid-column: 1 / -1; }

.dataset-field {
  grid-column: 1 / -1;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.dataset-field legend {
  margin-bottom: 7px;
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.dataset-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 2px solid var(--ink);
  background: var(--panel);
}

.dataset-options label {
  display: flex;
  min-height: 43px;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 9px 11px;
  cursor: pointer;
  font-size: 9px;
  letter-spacing: .03em;
  line-height: 1.25;
}

.dataset-options label:nth-child(even) { border-left: 1px solid var(--rule); }
.dataset-options label:nth-child(n+3) { border-top: 1px solid var(--rule); }

.dataset-options input {
  flex: none;
  width: 17px;
  height: 17px;
  margin: 0;
  accent-color: var(--electric);
}

.search-budget, .advanced-note {
  margin: 13px 0 0;
  color: var(--ink-soft);
  font-family: var(--utility);
  font-size: 9px;
  line-height: 1.45;
  text-transform: uppercase;
}

.advanced-note { margin-top: 5px; text-transform: none; }

label {
  display: block;
  margin-bottom: 7px;
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

input, select {
  width: 100%;
  height: 56px;
  padding: 0 15px;
  background: var(--panel);
  border: 2px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  outline: none;
}

input:focus, select:focus, button:focus-visible, summary:focus-visible {
  box-shadow: 0 0 0 4px var(--highlighter);
}

.prove-button {
  grid-column: 1 / -1;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  background: var(--highlighter);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  cursor: pointer;
  font-weight: 800;
  transition: transform .15s, box-shadow .15s;
}

.prove-button:hover:not(:disabled) { transform: translate(2px, 2px); box-shadow: 5px 6px 0 var(--ink); }
.prove-button:active:not(:disabled) { transform: translate(7px, 8px); box-shadow: none; }
.prove-button:disabled { cursor: wait; opacity: .55; }

.form-status {
  grid-column: 1 / -1;
  min-height: 22px;
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--utility);
  font-size: 11px;
}

.form-status.error { color: #a3232b; font-weight: 800; }

.results {
  padding: clamp(58px, 7vw, 104px) clamp(20px, 4vw, 64px) clamp(70px, 8vw, 120px);
}

.results-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 38px;
}

.results-head h2, .method h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 76px);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .95;
}

.reroll-button {
  flex: none;
  padding: 10px 0 8px;
  background: none;
  border: 0;
  border-bottom: 2px solid var(--ink);
  cursor: pointer;
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.plot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 58px);
}

.diagnostic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 58px);
  margin-top: clamp(72px, 8vw, 118px);
}

.plot-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: clamp(24px, 3vw, 42px);
  background: var(--panel);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
}

.plot-card-damage { --plot-color: var(--damage); --plot-wash: var(--damage-wash); }
.plot-card-benefit { --plot-color: var(--benefit); --plot-wash: var(--benefit-wash); }

.diagnostic-card {
  --plot-color: var(--electric);
  --plot-wash: #dfe1ff;
  position: relative;
  min-width: 0;
  padding: clamp(24px, 3vw, 42px);
  background: var(--panel);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
}

.drilldown-card {
  --plot-color: var(--electric);
  --plot-wash: #dfe1ff;
  scroll-margin-top: 34px;
  max-width: 980px;
  margin: clamp(72px, 8vw, 118px) auto 0;
  padding: clamp(24px, 4vw, 52px);
  background: var(--panel);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
}

.drilldown-card[hidden] { display: none; }
.drilldown-card-damage { --plot-color: var(--damage); --plot-wash: var(--damage-wash); }
.drilldown-card-benefit { --plot-color: var(--benefit); --plot-wash: var(--benefit-wash); }

.drilldown-card h3 {
  margin: 0;
  font-size: clamp(31px, 4vw, 56px);
  font-weight: 400;
  line-height: 1;
}

.diagnostic-card h3 {
  margin: 0;
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 400;
  line-height: 1.05;
}

.verdict-tag {
  align-self: flex-start;
  margin: -55px 0 26px -10px;
  padding: 7px 12px;
  background: var(--plot-wash);
  border: 2px solid var(--ink);
  font-family: var(--utility);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  transform: rotate(-2deg);
}

.plot-title {
  min-height: 4.5em;
  margin: 0;
  font-size: clamp(25px, 2.3vw, 38px);
  font-weight: 400;
  line-height: 1.12;
}

.plot-title strong { font-style: italic; text-decoration: underline; text-decoration-color: var(--plot-color); text-decoration-thickness: .16em; text-underline-offset: .06em; }

.plot-subtitle {
  min-height: 42px;
  margin: 15px 0 25px;
  color: var(--ink-soft);
  font-family: var(--utility);
  font-size: 10px;
  line-height: 1.5;
  text-transform: uppercase;
}

.chart-wrap { width: 100%; margin-top: auto; }

.chart {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.chart text { fill: var(--ink-soft); font-family: var(--utility); font-size: 10px; }
.chart .grid { stroke: var(--rule); stroke-width: 1; }
.chart .event-line { stroke: var(--ink); stroke-width: 1.5; stroke-dasharray: 3 4; }
.chart .event-label { fill: var(--ink); font-weight: 800; }
.chart .actual-line { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; }
.chart .synth-line { fill: none; stroke: var(--plot-color); stroke-width: 3; stroke-dasharray: 8 6; stroke-linejoin: round; stroke-linecap: round; }
.chart .post-wash { fill: var(--plot-wash); opacity: .42; }
.chart .legend-line { stroke-width: 3; }
.chart .synthetic-label { fill: var(--plot-color); }
.chart .zero-line { stroke: var(--ink); stroke-width: 1.2; }
.chart .hist-bar { stroke: var(--panel); stroke-width: 1; }
.chart .interactive-mark { cursor: pointer; transition: filter .12s, opacity .12s, stroke-width .12s; }
.chart .interactive-mark:hover { filter: brightness(.83) saturate(1.3); }
.chart .interactive-mark:focus { outline: none; stroke: var(--ink); stroke-width: 3; opacity: 1; }
.chart .scatter-point:hover { r: 5px; opacity: 1; }

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 24px;
  border-top: 1px solid var(--rule);
}

.metric { padding: 17px 12px 0 0; }
.metric + .metric { padding-left: 12px; border-left: 1px solid var(--rule); }
.metric-label { display: block; color: var(--ink-soft); font-family: var(--utility); font-size: 9px; text-transform: uppercase; }
.metric-value { display: block; margin-top: 2px; font-family: var(--display); font-size: clamp(18px, 2vw, 27px); font-weight: 400; }

.testimonials {
  padding: clamp(60px, 9vw, 130px) clamp(24px, 7vw, 110px);
  background: var(--ink);
  color: white;
}

.testimonials .eyebrow { color: var(--highlighter); }

.testimonials-head {
  display: grid;
  grid-template-columns: minmax(250px, .72fr) minmax(430px, 1.28fr);
  gap: clamp(42px, 9vw, 140px);
  align-items: start;
  margin-bottom: clamp(50px, 7vw, 86px);
}

.testimonials h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 76px);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .95;
}

.testimonial-caption {
  max-width: 780px;
  margin: 0;
  color: #d6d8e9;
  font-size: clamp(15px, 1.35vw, 19px);
  line-height: 1.62;
}

.testimonial-caption em {
  color: var(--highlighter);
  font-family: var(--display);
  font-size: 1.2em;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #595c78;
  border-bottom: 1px solid #595c78;
}

blockquote {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
  margin: 0;
  padding: clamp(25px, 3.5vw, 48px);
}

blockquote + blockquote { border-left: 1px solid #595c78; }

blockquote p {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(19px, 1.75vw, 27px);
  line-height: 1.32;
}

blockquote cite {
  font-family: var(--utility);
  font-size: 10px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}

blockquote a { color: var(--highlighter); text-underline-offset: 4px; }

footer {
  display: flex;
  justify-content: flex-start;
  gap: 20px;
  padding: 22px clamp(20px, 4vw, 64px);
  background: var(--highlighter);
  border-top: 2px solid var(--ink);
  font-family: var(--utility);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { min-height: 500px; }
  .plot-grid { grid-template-columns: 1fr; gap: 72px; }
  .diagnostic-grid { grid-template-columns: 1fr; gap: 72px; }
  .plot-title { min-height: 0; }
  .testimonials-head { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  blockquote + blockquote { border-top: 1px solid #595c78; border-left: 0; }
}

@media (max-width: 600px) {
  .masthead-note { display: none; }
  .hero-copy { min-height: 430px; padding-top: 70px; }
  h1 { font-size: clamp(58px, 19vw, 88px); }
  .hero-deck { margin-top: 32px; }
  .proof-form { grid-template-columns: 1fr; padding: 42px 22px 50px; }
  .field-year, .field-event { grid-column: 1; }
  .advanced-grid { grid-template-columns: 1fr; }
  .field-picking { grid-column: 1; }
  .dataset-options { grid-template-columns: 1fr; }
  .dataset-options label:nth-child(even) { border-left: 0; }
  .dataset-options label:nth-child(n+2) { border-top: 1px solid var(--rule); }
  .results-head { align-items: flex-start; flex-direction: column; }
  .plot-card { padding: 24px 18px; }
  .metric-row { grid-template-columns: 1fr; }
  .metric + .metric { padding-left: 0; border-left: 0; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}