:root {
  --bg: #06101c;
  --panel: rgba(10, 23, 39, 0.9);
  --panel-strong: rgba(8, 18, 31, 0.96);
  --panel-edge: rgba(163, 198, 255, 0.14);
  --ink: #f2f6ff;
  --muted: #b9c7de;
  --muted-2: #8ea2c2;
  --accent: #5cd6ff;
  --accent-2: #ffbf5f;
  --accent-3: #72efbc;
  --danger: #ff7b93;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --cta-surface:
    linear-gradient(180deg, rgba(49, 143, 214, 0.98), rgba(23, 101, 160, 0.98));
  --cta-border: rgba(210, 236, 255, 0.34);
  --cta-shadow: 0 24px 48px rgba(5, 18, 31, 0.32);
  --cta-text: #f9fcff;
  --cta-subtext: rgba(249, 252, 255, 0.88);
  --radius: 22px;
  --glass-1: rgba(255, 255, 255, 0.04);
  --glass-2: rgba(255, 255, 255, 0.08);
  --glass-3: rgba(255, 255, 255, 0.12);
  --glass-4: rgba(163, 198, 255, 0.18);
  --radius-sm: 16px;
  --radius-md: 18px;
  --radius-pill: 999px;
  --gap-md: 12px;
  --page-background:
    radial-gradient(circle at top left, rgba(26, 98, 167, 0.42), transparent 34%),
    radial-gradient(circle at top right, rgba(255, 191, 95, 0.14), transparent 28%),
    linear-gradient(155deg, #040912 0%, #081321 42%, #050b15 100%);
  --grid-line: rgba(255, 255, 255, 0.025);
  --chart-grid: rgba(255, 255, 255, 0.07);
  --chart-axis: rgba(255, 255, 255, 0.2);
}

:root[data-theme="light"] {
  --bg: #f4efe7;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --panel-edge: rgba(23, 54, 84, 0.12);
  --ink: #15263a;
  --muted: #415a76;
  --muted-2: #657b95;
  --accent: #1273b6;
  --accent-2: #b76c14;
  --accent-3: #188b5a;
  --danger: #b14359;
  --shadow: 0 22px 48px rgba(40, 66, 96, 0.12);
  --cta-surface:
    linear-gradient(180deg, rgba(22, 87, 137, 0.96), rgba(14, 63, 104, 0.98));
  --cta-border: rgba(21, 71, 110, 0.22);
  --cta-shadow: 0 22px 44px rgba(26, 64, 99, 0.18);
  --cta-text: #f7fbff;
  --cta-subtext: rgba(247, 251, 255, 0.84);
  --glass-1: rgba(255, 255, 255, 0.68);
  --glass-2: rgba(255, 255, 255, 0.86);
  --glass-3: rgba(23, 54, 84, 0.1);
  --glass-4: rgba(23, 54, 84, 0.18);
  --page-background:
    radial-gradient(circle at top left, rgba(78, 131, 187, 0.14), transparent 34%),
    radial-gradient(circle at top right, rgba(205, 164, 102, 0.18), transparent 28%),
    linear-gradient(155deg, #f8f5ef 0%, #eef3f8 50%, #f6f1e8 100%);
  --grid-line: rgba(23, 54, 84, 0.04);
  --chart-grid: rgba(23, 54, 84, 0.07);
  --chart-axis: rgba(23, 54, 84, 0.2);
}

@media (prefers-color-scheme: light) {
  :root[data-theme="system"] {
    --bg: #f4efe7;
    --panel: rgba(255, 255, 255, 0.9);
    --panel-strong: rgba(255, 255, 255, 0.98);
    --panel-edge: rgba(23, 54, 84, 0.12);
    --ink: #15263a;
    --muted: #415a76;
    --muted-2: #657b95;
    --accent: #1273b6;
    --accent-2: #b76c14;
    --accent-3: #188b5a;
    --danger: #b14359;
    --shadow: 0 22px 48px rgba(40, 66, 96, 0.12);
    --cta-surface:
      linear-gradient(180deg, rgba(22, 87, 137, 0.96), rgba(14, 63, 104, 0.98));
    --cta-border: rgba(21, 71, 110, 0.22);
    --cta-shadow: 0 22px 44px rgba(26, 64, 99, 0.18);
    --cta-text: #f7fbff;
    --cta-subtext: rgba(247, 251, 255, 0.84);
    --glass-1: rgba(255, 255, 255, 0.68);
    --glass-2: rgba(255, 255, 255, 0.86);
    --glass-3: rgba(23, 54, 84, 0.1);
    --glass-4: rgba(23, 54, 84, 0.18);
    --page-background:
      radial-gradient(circle at top left, rgba(78, 131, 187, 0.14), transparent 34%),
      radial-gradient(circle at top right, rgba(205, 164, 102, 0.18), transparent 28%),
      linear-gradient(155deg, #f8f5ef 0%, #eef3f8 50%, #f6f1e8 100%);
    --grid-line: rgba(23, 54, 84, 0.04);
    --chart-grid: rgba(23, 54, 84, 0.07);
    --chart-axis: rgba(23, 54, 84, 0.2);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--page-background);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.82), transparent 96%);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page-shell {
  width: min(1540px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 18px 0 80px;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 14px 18px;
  margin-bottom: 18px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: var(--gap-md);
  color: var(--ink);
}

.site-brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(92, 214, 255, 0.18), rgba(255, 191, 95, 0.14));
  border: 1px solid var(--glass-4);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.brand-copy {
  display: grid;
  gap: 4px;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy span {
  color: var(--muted-2);
  font-size: 0.82rem;
}

.header-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.header-nav a {
  color: var(--muted);
  font-size: 0.9rem;
}

.site-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 20px;
  align-items: start;
}

.site-main,
.static-main {
  display: grid;
  gap: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 1fr);
  gap: 22px;
  padding: 18px 22px;
  background:
    linear-gradient(135deg, rgba(92, 214, 255, 0.15), transparent 34%),
    linear-gradient(165deg, rgba(255, 191, 95, 0.1), transparent 56%),
    var(--panel);
}

.article-hero {
  margin-bottom: 0;
}

.article-hero-stacked {
  grid-template-columns: minmax(0, 1fr);
}

.article-hero-stacked .hero-cta {
  margin-top: 18px;
  min-width: 0;
  width: fit-content;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.72rem;
  color: var(--accent-2);
}

.hero h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  line-height: 1.04;
}

.hero-text,
.content-copy {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.65;
}

.page-meta {
  margin: 16px 0 0;
  color: var(--muted-2);
  font-size: 0.82rem;
  line-height: 1.55;
}

.page-meta a {
  color: var(--muted);
}

.guide-figure {
  margin: 18px 0 0;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--glass-1);
  border: 1px solid var(--glass-2);
}

.guide-figure img,
.guide-figure svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-md) - 6px);
}

.guide-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.guide-figure figcaption strong {
  color: var(--accent-2);
}

.hero-status {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.breadcrumb-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  color: var(--muted-2);
  font-size: 0.79rem;
  line-height: 1.35;
}

.breadcrumb-nav a {
  color: var(--muted);
}

.breadcrumb-nav [aria-current="page"] {
  color: var(--ink);
}

.breadcrumb-sep {
  color: var(--muted-2);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 13px;
  border-radius: var(--radius-pill);
  background: var(--glass-2);
  border: 1px solid var(--glass-4);
  color: var(--ink);
  font-size: 0.86rem;
}

.hero-cta {
  display: grid;
  gap: 8px;
  justify-items: start;
  min-width: min(100%, 340px);
  padding: 18px 22px;
  border-radius: 24px;
  background: var(--cta-surface);
  border: 1px solid var(--cta-border);
  box-shadow: var(--cta-shadow);
  color: var(--cta-text);
  text-decoration: none;
}

.hero-cta strong {
  font-size: 1.18rem;
  line-height: 1.1;
  color: var(--cta-text);
}

.hero-cta span {
  color: var(--cta-subtext);
  font-size: 0.92rem;
  line-height: 1.45;
}

.hero-cta:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 28px 56px rgba(5, 18, 31, 0.38);
}

.hero-cta--subtle {
  min-width: min(100%, 300px);
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--glass-1);
  border-color: var(--glass-2);
  box-shadow: none;
  color: var(--ink);
}

.hero-cta--subtle strong {
  font-size: 1rem;
}

.hero-cta--subtle span {
  color: var(--muted);
  font-size: 0.86rem;
}

.hero-cta--subtle:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(5, 18, 31, 0.18);
}

.hero-side-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.93rem;
}

.jump-nav {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-md);
  padding: 12px 16px;
}

.jump-nav a {
  color: var(--muted);
  font-size: 0.9rem;
}

.first-visit-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 18px;
  padding: 18px;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-md);
}

.path-card {
  display: grid;
  gap: 8px;
  min-height: 128px;
  padding: 16px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(92, 214, 255, 0.1), rgba(255, 191, 95, 0.08)),
    var(--glass-1);
  border: 1px solid var(--glass-4);
  color: var(--ink);
}

.path-card strong {
  font-size: 0.96rem;
  line-height: 1.35;
}

.path-card span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.control-bar {
  display: grid;
  grid-template-columns: 240px 260px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 18px;
  align-items: start;
}

.control-cluster {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.control-cluster.wide {
  min-width: 0;
}

.control-cluster.actions {
  gap: 10px;
}

.cluster-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-2);
}

.control {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.advanced-settings {
  border-radius: 20px;
  background: var(--glass-1);
  border: 1px solid var(--glass-2);
}

.advanced-settings summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 14px 15px;
  cursor: pointer;
  list-style: none;
}

.advanced-settings summary::-webkit-details-marker {
  display: none;
}

.advanced-settings[open] summary {
  border-bottom: 1px solid var(--glass-3);
}

.advanced-summary {
  display: grid;
  gap: 4px;
}

.advanced-summary strong {
  font-size: 0.95rem;
}

.advanced-body {
  display: grid;
  gap: var(--gap-md);
  padding: 14px 15px 15px;
}

select,
input[type="range"] {
  width: 100%;
}

select {
  appearance: none;
  border: 1px solid var(--glass-4);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  color: var(--ink);
  background: linear-gradient(180deg, var(--glass-2), rgba(8, 15, 28, 0.82));
  font: inherit;
}

.slider-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap-md);
}

.slider-control {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--glass-1);
  border: 1px solid var(--glass-2);
}

.slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

input[type="range"] {
  accent-color: var(--accent);
}

.feature-preprocess-controls {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.checkbox-row {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--glass-1);
  border: 1px solid var(--glass-2);
}

.checkbox-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
}

button {
  border: 0;
  border-radius: var(--radius-pill);
  padding: 12px 16px;
  font: inherit;
  color: var(--ink);
  cursor: pointer;
  transition: transform 160ms ease;
}

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

.primary-button {
  background: linear-gradient(135deg, var(--accent), #1a8ed8);
  color: #04121f;
  font-weight: 700;
}

.floating-actions {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 900;
  display: grid;
  justify-items: end;
  gap: 10px;
  pointer-events: none;
}

.floating-actions > * {
  pointer-events: auto;
}

.floating-update {
  position: static;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  font-size: 1rem;
  padding: 14px 28px;
}

.secondary-button {
  background: var(--glass-2);
  border: 1px solid var(--glass-4);
}

.control-note {
  margin: 0;
  color: var(--muted-2);
  font-size: 0.84rem;
  line-height: 1.45;
}

.control-note.status {
  min-height: 2.8em;
}

.comparison-banner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-md);
  padding: 14px 16px;
  background:
    linear-gradient(135deg, rgba(92, 214, 255, 0.12), rgba(255, 191, 95, 0.05)),
    rgba(8, 18, 31, 0.72);
}

.comparison-cell {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--glass-2);
  border: 1px solid var(--glass-2);
}

.comparison-cell span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted-2);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.comparison-cell strong {
  font-size: 0.98rem;
}

.comparison-line {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.comparison-line.positive {
  color: var(--accent-3);
}

.comparison-line.negative {
  color: var(--danger);
}

.method-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  color: var(--muted);
  line-height: 1.55;
}

.method-note strong {
  color: var(--accent-2);
  white-space: nowrap;
}

.method-note span {
  color: var(--muted);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--gap-md);
}

.metric-card {
  padding: 14px 15px;
  border-radius: var(--radius-md);
  background: var(--panel-strong);
  border: 1px solid var(--glass-3);
}

.metric-card span {
  display: block;
  color: var(--muted-2);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.14rem;
}

.metric-sub {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.metric-delta {
  margin-top: 8px;
  font-size: 0.81rem;
}

.metric-delta.positive {
  color: var(--accent-3);
}

.metric-delta.negative {
  color: var(--danger);
}

.metric-delta.neutral {
  color: var(--muted-2);
}

.ad-slot {
  display: block;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.018)),
    var(--panel);
}

.ad-slot span,
.rail-ad span,
.mobile-anchor-ad span {
  color: var(--muted-2);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.leaderboard-ad {
  min-height: 132px;
  padding: 16px;
}

.inline-ad,
.lower-ad {
  min-height: 216px;
  padding: 18px;
}

.ad-frame {
  display: grid;
  gap: var(--gap-md);
  width: 100%;
  height: 100%;
  padding: 16px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.03)),
    rgba(7, 16, 28, 0.78);
  border: 1px solid var(--glass-3);
}

.leaderboard-frame {
  min-height: 96px;
}

.inline-frame {
  min-height: 178px;
}

.rail-frame {
  min-height: 560px;
}

.anchor-frame {
  padding: 10px 12px;
}

.ad-meta {
  color: var(--muted-2);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.ad-creative {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.ad-creative.stacked {
  display: grid;
  align-content: space-between;
  gap: 18px;
}

.ad-copy {
  display: grid;
  gap: 8px;
}

.ad-copy strong {
  font-size: 1.02rem;
}

.ad-copy span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.ad-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, rgba(92, 214, 255, 0.16), rgba(255, 191, 95, 0.18));
  border: 1px solid var(--glass-4);
  color: var(--ink);
  font-size: 0.88rem;
  white-space: nowrap;
}

.ad-cta:hover {
  text-decoration: none;
}

.trust-callout {
  margin-top: 16px;
  padding: 14px 15px;
  border-radius: var(--radius-md);
  background: rgba(4, 9, 19, 0.42);
  border: 1px solid rgba(255, 191, 95, 0.18);
}

.trust-callout strong {
  display: block;
  margin-bottom: 6px;
  color: var(--accent-2);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trust-callout p,
.proof-module-header p,
.proof-footnote,
.workflow-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.proof-module,
.regime-snapshot {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(4, 9, 19, 0.38);
  border: 1px solid rgba(163, 198, 255, 0.16);
}

.proof-module-header h2,
.workflow-step strong,
.editorial-cell strong {
  margin: 0;
}

.proof-module-header h2 {
  font-size: 1.18rem;
}

.proof-stage-grid,
.workflow-strip {
  display: grid;
  gap: var(--gap-md);
}

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

.workflow-strip {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.proof-stage,
.workflow-step {
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(163, 198, 255, 0.12);
}

.proof-stage-label,
.editorial-cell span,
.workflow-step span,
.regime-row span {
  display: block;
  color: var(--muted-2);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.proof-stage > strong,
.workflow-step strong {
  display: block;
  margin-top: 8px;
  font-size: 0.96rem;
  line-height: 1.4;
}

.proof-bars {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.proof-bar,
.regime-row {
  display: grid;
  align-items: center;
  gap: 10px;
}

.proof-bar {
  grid-template-columns: 104px minmax(0, 1fr) 62px;
}

.proof-bar-label {
  color: var(--ink);
  font-size: 0.84rem;
}

.proof-bar-track,
.regime-bar {
  overflow: hidden;
  height: 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
}

.proof-bar-fill,
.regime-fill {
  height: 100%;
  border-radius: inherit;
}

.proof-bar-fill.boosted,
.regime-fill.trend {
  background: linear-gradient(90deg, var(--accent), #1f89d0);
}

.proof-bar-fill.linear,
.regime-fill.reversal {
  background: linear-gradient(90deg, var(--accent-3), #2fbc8c);
}

.proof-bar-fill.baseline,
.regime-fill.cost {
  background: linear-gradient(90deg, var(--accent-2), #ff9953);
}

.proof-bar-fill.warning,
.regime-fill.noise {
  background: linear-gradient(90deg, var(--danger), #ff9d6f);
}

.proof-bar-value,
.regime-value {
  color: var(--muted);
  font-size: 0.82rem;
  text-align: right;
}

.proof-footnote {
  margin-top: 12px;
  font-size: 0.84rem;
}

.editorial-table {
  display: grid;
  gap: 10px;
}

.editorial-row {
  display: grid;
  grid-template-columns: minmax(170px, 1.1fr) repeat(3, minmax(0, 0.9fr)) minmax(190px, 1.25fr);
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(163, 198, 255, 0.12);
}

.editorial-row.header {
  padding: 0 4px;
  background: transparent;
  border: 0;
}

.editorial-row.header .editorial-cell span {
  color: var(--muted-2);
}

.editorial-row.highlight {
  background: linear-gradient(135deg, rgba(92, 214, 255, 0.1), rgba(255, 191, 95, 0.05));
}

.editorial-cell strong {
  display: block;
  font-size: 0.91rem;
  line-height: 1.4;
}

.editorial-cell span {
  margin-top: 6px;
  line-height: 1.45;
}

.regime-row {
  grid-template-columns: 132px minmax(0, 1fr) 128px;
}

.section-block,
.content-grid,
.related-grid {
  display: grid;
  gap: 16px;
}

.editorial-block {
  gap: 18px;
}

.section-intro {
  margin: 0;
  max-width: 84ch;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.35rem;
}

.section-heading.small h2 {
  font-size: 1.12rem;
}

.main-grid,
.secondary-grid,
.content-grid,
.related-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.chart-panel,
.insight-panel,
.content-card,
.related-card {
  padding: 18px 18px 16px;
}

.panel-heading h2 {
  margin: 0;
  font-size: 1.05rem;
}

.panel-heading p {
  margin: 7px 0 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.92rem;
}

.assumption-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0 10px;
}

.assumption-chip {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-2);
}

.assumption-chip span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted-2);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.assumption-chip strong {
  font-size: 0.9rem;
  line-height: 1.45;
}

.chart-svg,
.tree-svg {
  display: block;
  width: 100%;
  min-height: 300px;
}

.tree-svg {
  min-height: 420px;
}

.narrative-strip,
.tree-summary {
  margin-top: 14px;
  padding: 14px 15px;
  border-radius: var(--radius-md);
  color: var(--muted);
  background: var(--glass-1);
  border: 1px solid var(--glass-2);
  line-height: 1.56;
  font-size: 0.9rem;
}

.baseline-table {
  display: grid;
  gap: 10px;
}

.baseline-row {
  display: grid;
  grid-template-columns: minmax(160px, 1.3fr) 90px 90px 90px 90px;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--glass-1);
  border: 1px solid var(--glass-2);
}

.baseline-row.header {
  background: transparent;
  border: 0;
  color: var(--muted-2);
  padding: 0 4px;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.baseline-row.highlight {
  background: linear-gradient(135deg, rgba(92, 214, 255, 0.12), var(--glass-1));
}

.baseline-name strong,
.baseline-metric strong {
  display: block;
  font-size: 0.92rem;
}

.baseline-name span,
.baseline-metric span {
  color: var(--muted-2);
  font-size: 0.78rem;
  line-height: 1.35;
}

.importance-list {
  display: grid;
  gap: var(--gap-md);
}

.importance-row {
  display: grid;
  grid-template-columns: 172px minmax(0, 1fr) 64px;
  gap: var(--gap-md);
  align-items: center;
}

.importance-label {
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.35;
}

.importance-bar {
  height: 12px;
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: var(--glass-3);
}

.importance-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-3), var(--accent));
}

.importance-value {
  text-align: right;
  color: var(--muted);
  font-size: 0.82rem;
}

.feature-note {
  margin-top: 4px;
  color: var(--muted-2);
  font-size: 0.78rem;
  line-height: 1.4;
}

.content-list,
.faq-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.content-stack {
  gap: 0;
}

.article-body {
  display: grid;
  gap: 0;
  padding: 22px;
}

.article-body > :first-child {
  margin-top: 0;
}

.article-body h2 {
  margin: 24px 0 0;
  font-size: 1.2rem;
}

.article-body p {
  margin: 12px 0 0;
  max-width: 74ch;
  color: var(--muted);
  line-height: 1.68;
}

.article-body ul,
.article-body ol {
  margin: 12px 0 0;
  max-width: 72ch;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.62;
}

.article-body li + li {
  margin-top: 8px;
}

.article-links {
  padding: 18px;
}

.parameter-table {
  display: grid;
  gap: 0;
  margin-top: 16px;
}

.parameter-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(0, 1.3fr);
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--glass-2);
}

.parameter-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.parameter-row strong {
  font-size: 0.92rem;
  line-height: 1.45;
}

.parameter-row span {
  color: var(--muted);
  line-height: 1.58;
}

.micro-head {
  margin: 16px 0 0;
  font-size: 0.98rem;
}

.content-copy.compact {
  margin-top: 8px;
}

.faq-list {
  padding-left: 0;
  list-style: none;
}

.faq-list div + div {
  margin-top: 14px;
}

.faq-list strong {
  display: block;
  margin-bottom: 4px;
}

.faq-list p,
.content-linkline {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.feed-list {
  display: grid;
  gap: var(--gap-md);
  margin-top: 14px;
}

.feed-item {
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--glass-1);
  border: 1px solid var(--glass-2);
}

.feed-date {
  margin: 0 0 8px;
  color: var(--accent-2);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feed-item h3 {
  margin: 0;
  font-size: 1rem;
}

.feed-item p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap-md);
  margin-top: 14px;
}

.link-card {
  display: grid;
  gap: 6px;
  min-height: 112px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-3);
  color: var(--ink);
}

.link-card span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.guide-card {
  min-height: 148px;
}

.guide-card .guide-summary {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.guide-card .guide-path {
  color: var(--accent-3);
  font-size: 0.8rem;
  line-height: 1.45;
}

.guide-card .guide-path + .guide-summary,
.guide-card .guide-summary + .guide-path {
  margin-top: -2px;
}

.tree-details {
  overflow: hidden;
}

.tree-summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.tree-summary-header::-webkit-details-marker {
  display: none;
}

.tree-summary-header h2 {
  margin: 0;
  font-size: 1.06rem;
}

.tree-summary-header p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.summary-hint {
  color: var(--accent);
  font-size: 0.9rem;
}

.tree-inner {
  padding: 0 18px 18px;
}

.tree-round-control {
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.tree-round-inputs {
  display: flex;
  align-items: center;
  gap: var(--gap-md);
}

.rail-ad {
  position: sticky;
  top: 16px;
  display: block;
  min-height: 600px;
  padding: 18px;
}

.mobile-anchor-ad {
  display: none;
}

.site-footer {
  margin-top: 20px;
  padding: 18px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(180px, 0.8fr)) minmax(180px, 0.75fr);
  gap: 18px;
}

.site-footer h2,
.site-footer h3 {
  margin: 0;
}

.footer-note {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.footer-links {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.footer-links a {
  color: var(--muted);
  line-height: 1.35;
}

svg text {
  font-family: Menlo, Consolas, Monaco, monospace;
  fill: var(--muted);
}

@media (max-width: 1320px) {
  .site-layout {
    grid-template-columns: minmax(0, 1fr) 220px;
  }

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

@media (max-width: 1180px) {
  .site-layout {
    grid-template-columns: 1fr;
  }

  .rail-ad {
    display: none;
  }
}

@media (max-width: 980px) {
  .site-header,
  .hero,
  .first-visit-panel,
  .control-bar,
  .comparison-banner,
  .proof-stage-grid,
  .workflow-strip,
  .main-grid,
  .secondary-grid,
  .content-grid,
  .related-grid,
  .assumption-strip,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .slider-grid,
  .path-grid,
  .link-grid,
  .footer-grid,
  .editorial-row {
    grid-template-columns: 1fr;
  }

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

  .ad-creative {
    display: grid;
  }

  .baseline-row {
    grid-template-columns: 1fr 1fr;
  }

  .baseline-row.header {
    display: none;
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(100vw - 18px, 100%);
    padding-top: 10px;
    padding-bottom: 110px;
  }

  .hero,
  .first-visit-panel,
  .control-bar,
  .chart-panel,
  .insight-panel,
  .content-card,
  .related-card,
  .tree-summary-header,
  .tree-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .jump-nav {
    top: 8px;
  }

  .hero-tags,
  .hero-cta,
  .tree-round-inputs,
  .header-nav {
    align-items: stretch;
    flex-direction: column;
  }

  .importance-row,
  .baseline-row,
  .proof-bar,
  .regime-row {
    grid-template-columns: 1fr;
  }

  .first-visit-panel {
    display: none;
  }

  .leaderboard-ad {
    display: none;
  }

  .mobile-anchor-ad {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: 10px;
    z-index: 30;
    display: block;
    min-height: 68px;
    padding: 0;
    border-radius: var(--radius-md);
    background: rgba(8, 18, 31, 0.94);
    border: 1px solid rgba(163, 198, 255, 0.18);
    box-shadow: var(--shadow);
    overflow: hidden;
  }
}