:root {
  --bg: #061018;
  --bg-alt: #091521;
  --surface: rgba(13, 22, 31, 0.9);
  --surface-strong: rgba(17, 29, 41, 0.96);
  --surface-soft: rgba(10, 18, 26, 0.72);
  --surface-ink: #0d1822;
  --text: #edf2f7;
  --muted: #98a8b6;
  --muted-strong: #b6c2cd;
  --line: rgba(135, 156, 176, 0.18);
  --line-strong: rgba(135, 156, 176, 0.34);
  --accent: #4f9fd2;
  --accent-deep: #17344a;
  --signal: #ff7a1a;
  --signal-soft: rgba(255, 122, 26, 0.14);
  --success: #3d9372;
  --warning: #c89532;
  --danger: #a65a51;
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.34);
  --shadow-md: 0 16px 32px rgba(0, 0, 0, 0.24);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", "Georgia", serif;
  --sans: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.64;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(circle at 12% 10%, rgba(79, 159, 210, 0.14), transparent 24%),
    radial-gradient(circle at 88% 8%, rgba(255, 122, 26, 0.1), transparent 18%),
    linear-gradient(180deg, #04101a 0%, #08121d 35%, #091521 100%);
}

body[data-page="economics"],
body[data-page="canvas"],
body[data-page="404"] {
  background:
    radial-gradient(circle at 15% 12%, rgba(79, 159, 210, 0.12), transparent 24%),
    radial-gradient(circle at 84% 6%, rgba(61, 147, 114, 0.1), transparent 18%),
    linear-gradient(180deg, #05111b 0%, #081521 48%, #0a1824 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(140, 160, 178, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 160, 178, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.82), transparent 88%);
}

a {
  color: inherit;
}

code {
  padding: 0.12rem 0.42rem;
  border: 1px solid rgba(79, 159, 210, 0.18);
  border-radius: 6px;
  background: rgba(5, 12, 18, 0.88);
  color: #dfe7ee;
  font-family: var(--mono);
  font-size: 0.88em;
}

abbr[title] {
  text-decoration: underline dotted rgba(79, 159, 210, 0.42);
  text-underline-offset: 0.16em;
  cursor: help;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(79, 159, 210, 0.38);
  outline-offset: 3px;
}

.site-chrome {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0 0;
}

.brand,
.nav-link,
.button,
.anchor-link,
.back-link,
.drill-link,
.deep-card {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(79, 159, 210, 0.88), rgba(23, 52, 74, 0.92)),
    linear-gradient(180deg, rgba(255, 122, 26, 0.18), transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 12px 24px rgba(0, 0, 0, 0.3);
  color: #fff;
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.77rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-pills {
  display: flex;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(6, 16, 24, 0.84);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
}

.nav-link {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--muted-strong);
  transition:
    transform 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.nav-link span {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-link small {
  color: inherit;
  opacity: 0.68;
  font-size: 0.63rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-link:hover,
.button:hover,
.deep-card:hover,
.anchor-link:hover {
  transform: translateY(-1px);
}

.nav-link-primary {
  border-color: rgba(79, 159, 210, 0.24);
}

.nav-link.is-active {
  color: var(--text);
  border-color: rgba(79, 159, 210, 0.36);
  background:
    linear-gradient(135deg, rgba(79, 159, 210, 0.18), rgba(255, 122, 26, 0.12)),
    rgba(11, 21, 31, 0.96);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.page-shell-brief {
  padding-top: 22px;
}

.eyebrow,
.section-kicker,
.panel-label {
  margin: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.77rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brief-hero,
.page-intro,
.panel,
.stat-card,
.anchor-nav,
.memo-section,
.page-footer-note,
.mini-panel,
.signal-item,
.job-card,
.deep-card,
.drill-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 22%),
    var(--surface);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.brief-hero::before,
.page-intro::before,
.panel::before,
.memo-section::before,
.page-footer-note::before,
.mini-panel::before,
.signal-item::before,
.job-card::before,
.deep-card::before,
.drill-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 100% 0%, rgba(79, 159, 210, 0.08), transparent 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 28%);
}

.brief-hero,
.page-intro,
.panel,
.memo-section,
.page-footer-note {
  padding: 28px;
}

.brief-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.95fr);
  gap: 32px;
  align-items: center;
  min-height: min(78vh, 760px);
  padding: 40px;
  border-color: rgba(79, 159, 210, 0.24);
  background:
    radial-gradient(circle at 0% 0%, rgba(79, 159, 210, 0.16), transparent 28%),
    radial-gradient(circle at 100% 100%, rgba(255, 122, 26, 0.1), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 22%),
    var(--surface);
}

.page-intro {
  display: grid;
  gap: 16px;
}

.brief-hero h1,
.page-intro h1,
.section-heading h2,
.panel h3,
.mini-panel h3,
.drill-card h3,
.deep-card strong,
.job-card strong,
.signal-item strong {
  position: relative;
  z-index: 1;
}

.brief-hero h1,
.page-intro h1,
.section-heading h2,
.panel h3,
.mini-panel h3,
.drill-card h3 {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.brief-hero h1 {
  font-size: clamp(3.1rem, 5.6vw, 5.6rem);
  max-width: 11ch;
}

.page-intro h1 {
  font-size: clamp(2.35rem, 4vw, 3.8rem);
  max-width: 14ch;
}

.section-heading h2 {
  font-size: clamp(1.7rem, 2.5vw, 2.35rem);
  max-width: 18ch;
}

.hero-text,
.thesis-line,
.panel-copy,
.mini-panel p,
.signal-item p,
.drill-card p,
.data-list li,
.page-footer-note p,
.queue-list li,
.job-card p,
.deep-card p,
.canvas-list,
.heuristic-dimension p {
  color: var(--muted);
}

.hero-text,
.thesis-line {
  position: relative;
  z-index: 1;
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: 1.08rem;
  line-height: 1.8;
}

.hero-proof-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.hero-proof,
.qualification-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 24%),
    rgba(10, 18, 27, 0.94);
}

.hero-proof::before,
.qualification-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 100% 0%, rgba(79, 159, 210, 0.08), transparent 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 30%);
}

.hero-proof {
  padding: 14px 15px;
}

.hero-proof span,
.qualification-card span {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: fit-content;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-proof strong,
.qualification-card strong {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 10px;
  line-height: 1.4;
}

.hero-side {
  display: grid;
  gap: 16px;
  align-self: stretch;
}

.summary-callout {
  position: relative;
  z-index: 1;
  display: inline-flex;
  max-width: 42rem;
  margin: 22px 0 0;
  padding: 14px 18px;
  border: 1px solid rgba(255, 122, 26, 0.2);
  border-radius: 999px;
  background: rgba(255, 122, 26, 0.09);
  color: var(--muted-strong);
  font-size: 0.93rem;
  line-height: 1.5;
}

.hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.button.primary {
  color: #f7fbff;
  border-color: rgba(79, 159, 210, 0.42);
  background:
    linear-gradient(135deg, rgba(79, 159, 210, 0.18), rgba(23, 52, 74, 0.96)),
    rgba(12, 26, 36, 0.96);
}

.button.secondary {
  color: var(--text);
  border-color: rgba(255, 122, 26, 0.36);
  background: rgba(255, 122, 26, 0.08);
}

.hero-strip,
.page-intro-strip,
.signal-grid,
.job-grid,
.deep-grid,
.drill-grid,
.metric-cluster {
  display: grid;
  gap: 16px;
}

.hero-strip,
.page-intro-strip {
  position: relative;
  z-index: 1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
}

.stat-card,
.mini-panel,
.signal-item,
.job-card,
.deep-card,
.drill-card {
  padding: 18px;
}

.stat-card span,
.signal-item span,
.mini-panel span,
.job-card span,
.deep-card span,
.drill-card span,
.metric-panel span,
.flow-index {
  display: inline-flex;
  width: fit-content;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.stat-card span,
.signal-item span,
.mini-panel span,
.job-card span,
.deep-card span,
.drill-card span,
.metric-panel span {
  color: var(--accent);
}

.stat-card strong,
.signal-item strong,
.job-card strong,
.deep-card strong,
.drill-card strong,
.metric-panel strong {
  display: block;
  margin-top: 10px;
  line-height: 1.35;
}

.stat-card strong,
.metric-panel strong {
  font-family: var(--mono);
  font-size: 1.18rem;
  letter-spacing: 0.04em;
}

.hero-aside,
.section-main,
.section-side {
  display: grid;
  gap: 16px;
}

.anchor-nav {
  position: sticky;
  top: 82px;
  z-index: 50;
  display: flex;
  gap: 10px;
  width: fit-content;
  margin: 28px auto 12px;
  padding: 8px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(6, 16, 24, 0.78);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
}

.anchor-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(14, 24, 35, 0.94);
  color: var(--muted-strong);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.anchor-link.is-current {
  color: var(--text);
  border-color: rgba(255, 122, 26, 0.34);
  background: rgba(255, 122, 26, 0.12);
}

.memo-stack {
  display: grid;
  gap: 0;
}

.section-heading {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
}

.section-lead {
  max-width: 44rem;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.68;
}

.section-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.85fr);
  gap: 20px;
  margin-top: 24px;
}

.memo-section {
  padding: 42px 0;
  border: 0;
  border-top: 1px solid rgba(135, 156, 176, 0.14);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  overflow: visible;
}

.memo-section::before {
  display: none;
}

.memo-stack > .memo-section:first-child {
  padding-top: 26px;
  border-top: 0;
}

.panel {
  padding: 22px;
  box-shadow: var(--shadow-md);
}

.panel h3 {
  font-size: clamp(1.48rem, 2.2vw, 2rem);
}

.panel-copy,
.mini-panel p {
  margin: 12px 0 0;
}

.mini-panel {
  height: fit-content;
  background:
    linear-gradient(180deg, rgba(79, 159, 210, 0.06), transparent 24%),
    var(--surface-strong);
}

.panel-helper {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.66;
}

.panel-adopted,
.panel-testing,
.panel-ruled,
.panel-next,
.mini-panel,
.signal-item,
.job-card,
.deep-card,
.drill-card,
.metric-panel,
.flow-step,
.canvas-card,
.heuristic-card,
.heuristic-dimension,
.viz-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 22%),
    var(--surface-strong);
}

.panel-adopted {
  border-color: rgba(61, 147, 114, 0.32);
}

.panel-testing {
  border-color: rgba(200, 149, 50, 0.32);
}

.panel-ruled {
  border-color: rgba(166, 90, 81, 0.32);
}

.panel-next {
  border-color: rgba(79, 159, 210, 0.32);
}

.panel-copy + .data-list {
  margin-top: 16px;
}

.data-list,
.queue-list,
.canvas-list {
  margin: 0;
  padding-left: 18px;
}

.data-list li,
.queue-list li,
.canvas-list li {
  margin-top: 10px;
}

.data-list li:first-child,
.queue-list li:first-child,
.canvas-list li:first-child {
  margin-top: 0;
}

.signal-grid,
.job-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.signal-grid-operator {
  margin-top: 20px;
}

.signal-item strong + p,
.job-card strong + p,
.deep-card strong + p,
.drill-card strong + p {
  margin: 10px 0 0;
}

.split-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.intake-form {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

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

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--muted-strong);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: rgba(5, 12, 18, 0.86);
  color: var(--text);
  font: inherit;
  padding: 0.9rem 1rem;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(182, 194, 205, 0.56);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(79, 159, 210, 0.52);
  box-shadow: 0 0 0 4px rgba(79, 159, 210, 0.12);
  background: rgba(7, 14, 21, 0.96);
}

.field textarea {
  min-height: 164px;
  resize: vertical;
}

.field-hidden {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 0.95rem;
}

.form-status strong {
  font-size: 0.98rem;
}

.form-status-success {
  border-color: rgba(61, 147, 114, 0.34);
  background: rgba(61, 147, 114, 0.12);
  color: #dff4ea;
}

.form-status-error {
  border-color: rgba(166, 90, 81, 0.34);
  background: rgba(166, 90, 81, 0.12);
  color: #f4ddda;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.form-helper {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.drill-grid,
.deep-grid,
.metric-cluster {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.metric-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.metric-panel p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.deep-card,
.drill-card {
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.deep-card:hover,
.drill-card:hover {
  border-color: rgba(79, 159, 210, 0.34);
  background:
    linear-gradient(180deg, rgba(79, 159, 210, 0.06), transparent 24%),
    var(--surface-strong);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.back-link::before {
  content: "<";
  font-size: 0.92rem;
}

.page-footer-note {
  margin-top: 22px;
  padding: 18px 22px;
}

.page-footer-note p {
  margin: 0;
}

.page-footer-note a,
.panel a,
.deep-card a {
  color: var(--text);
}

.metric-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 4px;
  font-size: 0.97rem;
}

.metric-table th,
.metric-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.metric-table th {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.metric-table td::before {
  display: none;
  content: attr(data-label);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.strategy-canvas-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.canvas-card,
.heuristic-card,
.heuristic-dimension {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.canvas-card,
.heuristic-card {
  padding: 18px;
}

.canvas-card {
  display: grid;
  gap: 14px;
}

.canvas-card-head span,
.heuristic-dimension span {
  display: inline-flex;
  width: fit-content;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.canvas-card-head h3,
.heuristic-card h3 {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.heuristic-stack {
  display: grid;
  gap: 16px;
}

.heuristic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.heuristic-dimension {
  padding: 14px;
}

.heuristic-dimension p {
  margin: 10px 0 0;
}

.heuristic-footer {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.viz-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.viz-card-compact {
  height: 100%;
}

.viz-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.viz-head-stack {
  flex-direction: column;
  margin-bottom: 14px;
}

.viz-head-inline {
  margin-bottom: 14px;
}

.viz-head h3 {
  margin: 8px 0 0;
  font-size: clamp(1.24rem, 2vw, 1.62rem);
}

.viz-copy {
  max-width: 34ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.diagram-card-copy {
  display: grid;
  gap: 8px;
  height: 100%;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 26%),
    rgba(10, 18, 27, 0.94);
  color: var(--text);
}

.diagram-card-copy-warm {
  border-color: rgba(168, 85, 45, 0.34);
  background:
    linear-gradient(180deg, rgba(168, 85, 45, 0.1), transparent 28%),
    rgba(10, 18, 27, 0.94);
}

.diagram-card-copy-cool,
.diagram-card-copy-control {
  border-color: rgba(34, 79, 105, 0.34);
  background:
    linear-gradient(180deg, rgba(34, 79, 105, 0.12), transparent 28%),
    rgba(10, 18, 27, 0.94);
}

.diagram-card-copy-neutral,
.diagram-card-copy-official {
  border-color: rgba(43, 107, 87, 0.28);
}

.diagram-card-copy-threshold,
.diagram-card-copy-signal {
  border-color: rgba(255, 122, 26, 0.34);
  background:
    linear-gradient(180deg, rgba(255, 122, 26, 0.12), transparent 28%),
    rgba(10, 18, 27, 0.94);
}

.diagram-card-copy-review {
  border-color: rgba(200, 149, 50, 0.34);
  background:
    linear-gradient(180deg, rgba(200, 149, 50, 0.12), transparent 28%),
    rgba(10, 18, 27, 0.94);
}

.diagram-card-copy-trigger {
  border-color: rgba(61, 147, 114, 0.34);
  background:
    linear-gradient(180deg, rgba(61, 147, 114, 0.12), transparent 28%),
    rgba(10, 18, 27, 0.94);
}

.diagram-card-kicker {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.diagram-card-title {
  display: block;
  margin: 0;
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.diagram-card-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.42;
}

.viz-svg {
  display: block;
  width: 100%;
  height: auto;
}

.viz-grid-line {
  stroke: rgba(135, 156, 176, 0.16);
  stroke-width: 1;
}

.viz-grid-line-vertical {
  stroke-dasharray: 4 8;
}

.viz-zero-line {
  stroke: rgba(255, 122, 26, 0.52);
  stroke-width: 1.5;
}

.viz-reference-zone {
  fill: rgba(61, 147, 114, 0.08);
  stroke: rgba(61, 147, 114, 0.14);
}

.viz-window-band {
  fill: rgba(79, 159, 210, 0.08);
}

.viz-threshold-line {
  stroke: rgba(255, 122, 26, 0.5);
  stroke-width: 1.5;
  stroke-dasharray: 6 8;
}

.viz-axis-label,
.viz-axis-title,
.viz-point-subtle,
.viz-point-label,
.viz-bubble-value,
.viz-threshold-label,
.viz-stage-label {
  font-family: var(--sans);
}

.viz-axis-label {
  fill: var(--muted);
  font-size: 12px;
}

.viz-axis-title {
  fill: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.viz-point-label {
  fill: var(--text);
  font-size: 12px;
  font-weight: 700;
}

.viz-point-subtle {
  fill: var(--muted);
  font-size: 11px;
}

.viz-threshold-label {
  fill: var(--warning);
  font-size: 11px;
  font-weight: 700;
}

.viz-stage-label {
  fill: var(--muted-strong);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.viz-bubble-value {
  fill: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.viz-legend-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.viz-legend-list li {
  display: grid;
  gap: 4px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.viz-legend-list strong {
  font-size: 0.96rem;
}

.viz-legend-list span,
.viz-summary-card p {
  color: var(--muted);
  font-size: 0.92rem;
}

.viz-toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.viz-toggle {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(11, 20, 30, 0.9);
  color: var(--muted-strong);
  font: inherit;
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}

.viz-toggle.is-active {
  color: var(--text);
  border-color: rgba(255, 122, 26, 0.34);
  background: rgba(255, 122, 26, 0.12);
}

.viz-insight-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.viz-insight-strip-tight {
  margin-bottom: 16px;
}

.viz-summary-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(8, 17, 26, 0.88);
  padding: 14px;
}

.viz-summary-card span {
  display: inline-flex;
  width: fit-content;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.viz-summary-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1rem;
}

.viz-summary-card p {
  margin: 10px 0 0;
}

.viz-summary-card-key {
  border-color: rgba(255, 122, 26, 0.28);
}

.viz-summary-card-active {
  border-color: rgba(79, 159, 210, 0.28);
}

.heatmap-grid,
.stress-grid {
  display: grid;
  gap: 10px;
  align-items: stretch;
}

.heatmap-grid {
  grid-template-columns: minmax(170px, 1.2fr) repeat(5, minmax(0, 1fr));
}

.stress-grid {
  grid-template-columns: minmax(150px, 1.1fr) repeat(6, minmax(0, 1fr)) minmax(150px, 1fr);
}

.heatmap-grid-header,
.stress-grid-header {
  margin-bottom: 10px;
}

.heatmap-corner,
.heatmap-header-cell,
.heatmap-row-label,
.heatmap-cell {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(10, 18, 27, 0.88);
  padding: 12px;
}

.heatmap-header-cell {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.heatmap-header-cell small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0;
  text-transform: none;
}

.heatmap-row-label {
  display: flex;
  align-items: center;
  color: var(--text);
  font-weight: 700;
}

.heatmap-cell {
  min-height: 86px;
}

.heatmap-cell strong,
.heatmap-cell span,
.heatmap-cell small {
  display: block;
}

.heatmap-cell strong {
  font-size: 1rem;
}

.heatmap-cell span,
.heatmap-cell small {
  margin-top: 8px;
  color: rgba(237, 242, 247, 0.82);
  font-size: 0.85rem;
}

.heatmap-cell-delta,
.heatmap-cell-read,
.heatmap-cell-stress {
  background: rgba(10, 18, 27, 0.94);
}

.heatmap-cell-read span,
.heatmap-cell-stress span,
.heatmap-cell-stress small {
  color: var(--muted);
}

.heatmap-grid.is-emphasis .heatmap-row-label,
.heatmap-grid.is-emphasis .heatmap-cell-read {
  border-color: rgba(255, 122, 26, 0.28);
}

.heatmap-cell-stress.is-worst {
  border-color: rgba(255, 122, 26, 0.34);
}

.sankey-link {
  fill: none;
  stroke: rgba(135, 156, 176, 0.28);
  stroke-width: 4;
  stroke-linecap: round;
}

.sankey-node-copy {
  color: var(--text);
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.28;
}

.viz-total-line {
  fill: none;
  stroke: rgba(255, 255, 255, 0.9);
  stroke-width: 2.5;
  stroke-dasharray: 5 7;
}

.viz-total-marker {
  fill: #fff;
  stroke: rgba(6, 16, 24, 0.9);
  stroke-width: 2;
}

.gap-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.gap-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(79, 159, 210, 0.28);
  border-radius: 999px;
  background: rgba(79, 159, 210, 0.08);
  color: var(--muted-strong);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.gap-pill-accent {
  border-color: rgba(255, 122, 26, 0.32);
  background: rgba(255, 122, 26, 0.1);
  color: var(--text);
}

.gap-rail,
.flow-grid {
  display: grid;
  gap: 14px;
}

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

.gap-stage,
.flow-step {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
}

.gap-stage {
  min-height: 220px;
}

.gap-stage .gap-marker {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(79, 159, 210, 0.12);
}

.gap-stage-threshold .gap-marker,
.flow-step-threshold .flow-index {
  background: var(--signal);
  box-shadow: 0 0 0 6px rgba(255, 122, 26, 0.12);
}

.gap-stage-review .gap-marker,
.flow-step-review .flow-index {
  background: var(--warning);
  box-shadow: 0 0 0 6px rgba(200, 149, 50, 0.12);
}

.gap-stage-official .gap-marker,
.flow-step-trigger .flow-index {
  background: var(--success);
  box-shadow: 0 0 0 6px rgba(61, 147, 114, 0.12);
}

.gap-node {
  fill: var(--accent);
  stroke: rgba(6, 16, 24, 0.94);
  stroke-width: 4;
}

.gap-node-threshold {
  fill: var(--signal);
}

.gap-node-review {
  fill: var(--warning);
}

.gap-node-official {
  fill: var(--success);
}

.gap-stage span,
.flow-index {
  color: var(--accent);
}

.gap-stage strong,
.flow-step strong {
  display: block;
  margin-top: 10px;
  font-size: 1rem;
}

.gap-stage p,
.flow-step p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.flow-index {
  align-items: center;
  justify-content: center;
  min-width: 54px;
  min-height: 28px;
  border-radius: 999px;
  background: rgba(79, 159, 210, 0.12);
}

.flow-step-control .flow-index {
  background: rgba(79, 159, 210, 0.12);
}

.flow-step-threshold .flow-index,
.flow-step-trigger .flow-index,
.flow-step-review .flow-index {
  color: #fff;
}

.mono-note {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 1100px) {
  .brief-hero,
  .section-layout {
    grid-template-columns: 1fr;
  }

  .gap-rail,
  .flow-grid,
  .strategy-canvas-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .heatmap-grid {
    grid-template-columns: minmax(150px, 1fr) repeat(5, minmax(0, 1fr));
  }

  .stress-grid {
    grid-template-columns: minmax(150px, 1.1fr) repeat(4, minmax(0, 1fr));
  }

  .stress-grid-header .heatmap-header-cell:nth-last-child(-n + 3),
  .stress-grid .heatmap-cell:nth-last-child(-n + 3) {
    display: none;
  }
}

@media (max-width: 820px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-pills {
    overflow-x: auto;
  }

  .hero-strip,
  .page-intro-strip,
  .signal-grid,
  .job-grid,
  .split-panels,
  .field-grid,
  .heuristic-grid,
  .strategy-canvas-grid,
  .gap-rail,
  .flow-grid {
    grid-template-columns: 1fr;
  }

  .viz-head {
    flex-direction: column;
  }

  .viz-copy {
    max-width: none;
  }

  .heatmap-grid,
  .stress-grid {
    display: block;
  }

  .heatmap-grid + .heatmap-grid,
  .stress-grid + .stress-grid {
    margin-top: 10px;
  }

  .heatmap-corner,
  .heatmap-header-cell {
    display: none;
  }

  .heatmap-row-label,
  .heatmap-cell {
    margin-top: 10px;
  }

  .metric-table,
  .metric-table thead,
  .metric-table tbody,
  .metric-table tr,
  .metric-table th,
  .metric-table td {
    display: block;
  }

  .metric-table thead {
    display: none;
  }

  .metric-table tr {
    border-top: 1px solid var(--line);
    padding-top: 12px;
    margin-top: 12px;
  }

  .metric-table tr:first-child {
    border-top: 0;
    padding-top: 0;
    margin-top: 0;
  }

  .metric-table td {
    padding: 8px 0;
    border-bottom: 0;
  }

  .metric-table td::before {
    display: block;
    margin-bottom: 4px;
  }
}

@media (max-width: 620px) {
  .page-shell,
  .topbar {
    width: min(100%, calc(100% - 20px));
  }

  .brief-hero,
  .page-intro,
  .panel,
  .page-footer-note {
    padding: 20px;
  }

  .brief-hero {
    min-height: 0;
    padding: 24px 20px;
  }

  .memo-section {
    padding: 30px 0;
  }

  .anchor-nav {
    top: 72px;
    width: 100%;
    margin: 22px 0 4px;
  }

  .button {
    width: 100%;
  }

  .form-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-copy small {
    white-space: normal;
  }
}