@import url("../../design-system/tokens/spacing.css");
@import url("../../design-system/tokens/surface-colors.css?v=20260909-2");

/* Explicit cascade order prevents selector-specificity regressions. */
@layer base, presentation;
@layer base {
:root {
  color-scheme: light;
  --pl-paper: var(--lh-product-paper);
  --pl-white: var(--lh-color-white);
  --pl-ink: var(--lh-product-ink);
  --pl-soft: var(--lh-product-soft);
  --pl-line: var(--lh-product-line);
  --pl-blue: var(--lh-product-blue);
  --pl-blue-deep: var(--lh-product-blue-deep);
  --pl-blue-pale: var(--lh-product-blue-pale);
  --pl-blue-contrast: var(--lh-product-blue-contrast);
  --pl-coral: var(--lh-product-coral);
  --pl-coral-hot: var(--lh-product-coral-hot);
  --pl-coral-pale: var(--lh-product-coral-pale);
  --pl-coral-contrast: var(--lh-product-coral-contrast);
  --pl-coral-ink: var(--lh-product-coral-ink);
  --pl-mint: var(--lh-product-mint);
  --pl-mint-contrast: var(--lh-product-mint-contrast);
  --pl-mint-hot: var(--lh-product-mint-hot);
  --pl-dark: var(--lh-product-dark);
  --pl-dark-soft: var(--lh-product-dark-soft);
  --pl-dark-contrast: var(--lh-product-dark-contrast);
  --pl-dark-muted: var(--lh-product-dark-muted);
  --pl-dark-line: var(--lh-product-dark-line);
  --pl-dark-control: var(--lh-product-dark-control);
  --pl-dark-control-raised: var(--lh-product-dark-control-raised);
  --pl-dark-raised: var(--lh-product-dark-raised);
  --pl-paper-hover: var(--lh-product-paper-hover);
  --pl-font: var(--lh-font-sans);
  --pl-mono: var(--lh-font-mono);
  --pl-pad: clamp(20px, 4vw, 64px);
  --pl-max: 1360px;
  --pl-section-space: clamp(56px, 6vw, 88px);
  --pl-panel-pad: clamp(24px, 3vw, 40px);
  --pl-gap: 16px;
  --pl-radius: 16px;
  --pl-ease: cubic-bezier(.16, 1, .3, 1);
  --pl-texture: url("../../public/assets/images/data-routes-texture-v1.jpg");
  --pl-shadow-card: 0 12px 32px rgba(23,23,20,.045);
  --pl-shadow-focus: 0 20px 52px rgba(23,23,20,.10);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; scrollbar-color: var(--pl-blue) var(--pl-paper); scrollbar-width: thin; }
html::-webkit-scrollbar { width: 8px; }
html::-webkit-scrollbar-track { background: var(--pl-paper); }
html::-webkit-scrollbar-thumb { background: var(--pl-blue); }
body {
  margin: 0;
  min-width: 0;
  overflow-x: clip;
  background: var(--pl-paper);
  color: var(--pl-ink);
  font: 400 16px/1.55 var(--pl-font);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  caret-color: var(--pl-coral);
  -webkit-tap-highlight-color: rgba(0, 109, 181, .14);
}
main *, header *, footer * { min-width: 0; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { overflow-wrap: normal; word-break: normal; hyphens: none; }
h3 { line-height: 1.15; }
p, li, a, span, strong { overflow-wrap: break-word; }
a { color: inherit; text-underline-offset: 4px; }
button { color: inherit; font: inherit; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
::selection { background: var(--pl-coral); color: var(--pl-white); }
:focus-visible { outline: 3px solid var(--pl-white); outline-offset: 3px; box-shadow: 0 0 0 6px var(--pl-ink); }

.pl-skip {
  position: fixed;
  inset: 12px auto auto 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--pl-ink);
  color: var(--pl-white);
  transform: translateY(-160%);
  transition: transform 180ms var(--pl-ease);
}
.pl-skip:focus { transform: translateY(0); }

.pl-header { position: sticky; top: 0; z-index: 40; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 72px; padding: 0 var(--pl-pad); background: var(--pl-paper); }
.pl-header.is-scrolled { background: color-mix(in srgb, var(--pl-paper) 98%, transparent); box-shadow: 0 1px 0 var(--pl-line); }
.pl-logo { display: inline-flex; align-items: center; gap: 10px; width: max-content; min-width: 44px; min-height: 44px; font-weight: 700; text-decoration: none; }
.pl-nav { display: flex; gap: clamp(18px, 2.5vw, 40px); }
.pl-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--pl-soft); font-size: 14px; text-decoration: none; }
.pl-nav a:hover { color: var(--pl-ink); }
.pl-actions { justify-self: end; display: flex; align-items: center; gap: 8px; }
.pl-language { display: inline-flex; padding: 2px; background: var(--pl-white); }
.pl-language a { display: grid; place-items: center; min-width: 44px; min-height: 44px; padding: 4px 8px; color: var(--pl-soft); font: 500 10px var(--pl-mono); text-decoration: none; }
.pl-language a[aria-current="page"] { background: var(--pl-ink); color: var(--pl-white); }
.pl-case-link { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: 44px; min-height: 44px; padding: 8px 12px; background: var(--pl-white); font-size: 13px; text-decoration: none; }
.pl-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; overflow: hidden; }
.pl-progress span { display: block; width: 100%; height: 100%; background: var(--pl-coral); transform: scaleX(0); transform-origin: left; }

.pl-shell { width: min(100%, var(--pl-max)); margin-inline: auto; padding-inline: var(--pl-pad); }
.pl-section { padding-block: var(--pl-section-space); }
.pl-kicker { display: block; margin-bottom: 24px; color: var(--pl-blue-deep); font-size: 14px; font-weight: 600; }
.pl-kicker::before { display: none; }
.pl-heading { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 32px; align-items: end; margin-bottom: 32px; }
.pl-heading h2 { max-width: 20ch; margin-bottom: 0; font-size: clamp(32px, 4.2vw, 56px); font-weight: 500; letter-spacing: -.035em; line-height: 1.07; text-wrap: balance; }
.pl-heading p { max-width: 48ch; margin: 0; color: var(--pl-soft); font-size: 16px; line-height: 1.6; text-wrap: pretty; }

.pl-hero { position: relative; overflow: hidden; background: var(--pl-paper); }
.pl-hero::before { content: ''; position: absolute; inset: 0; background-image: var(--pl-texture); background-size: 1100px; opacity: .07; pointer-events: none; }
.data-graph { display: none; }
.pl-hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; min-height: 660px; padding-block: 72px; }
.pl-hero-copy h1 { margin: 0 0 28px; font-size: clamp(40px, 5.3vw, 72px); font-weight: 500; letter-spacing: -.04em; line-height: 1.04; }
html[lang="ru"] .pl-hero-copy h1 { max-width: none; font-size: clamp(40px, 4.8vw, 66px); line-height: 1.04; }
html[lang="en"] .pl-hero-copy h1 { max-width: none; font-size: clamp(44px, 5.3vw, 72px); line-height: 1.04; }
.hero-continuation { color: var(--pl-blue-deep); }
.pl-hero-copy > p { max-width: 45ch; margin-bottom: 28px; color: var(--pl-soft); font-size: 18px; line-height: 1.6; }
.pl-cta-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.pl-button { display: inline-flex; justify-content: center; align-items: center; gap: 10px; border-radius: 8px; min-height: 50px; padding: 13px 20px; border: 1px solid transparent; background: var(--pl-blue); color: var(--pl-white); font-weight: 600; text-decoration: none; transition: background 160ms ease, transform 160ms ease; }
.pl-button:hover { background: var(--pl-blue-deep); }
.pl-button:active { transform: translateY(1px); }
.pl-button-secondary { border-color: var(--pl-line); background: var(--pl-white); color: var(--pl-ink); }
.pl-button-secondary:hover { background: var(--pl-paper-hover); }
.pl-trial-note { display: flex; align-items: center; gap: 8px; margin: 18px 0 0; color: var(--pl-soft); font-size: 13px; }
.pl-trial-note svg { width: 16px; height: 16px; color: var(--pl-mint); }

.message-lab { position: relative; padding: var(--pl-panel-pad); background: var(--lh-product-stage); color: var(--pl-white); border-radius: var(--pl-radius); box-shadow: var(--pl-shadow-focus); }
.message-lab-header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 24px; }
.message-lab-header span:first-child { font: 500 11px var(--pl-mono); letter-spacing: .08em; text-transform: uppercase; }
.lab-status { display: inline-flex; align-items: center; gap: 7px; color: var(--pl-mint-contrast); font-size: 12px; }
.lab-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--pl-mint-hot); }
.lab-options { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.lab-options button { min-height: 44px; padding: 8px 12px; border: 0; border-radius: 8px; background: var(--lh-product-stage-raised); color: var(--lh-product-stage-text); cursor: pointer; font-size: 13px; }
.lab-options button[aria-selected="true"] { background: var(--lh-product-selected); color: var(--lh-product-selected-ink); }
.lab-message { min-height: 216px; padding: 24px; background: var(--pl-white); color: var(--pl-ink); border-radius: 12px; }
.lab-message p { margin-bottom: 16px; font-size: 17px; line-height: 1.55; }
.lab-message p:last-child { margin-bottom: 0; }
.lab-message mark { padding: 1px 3px; background: var(--pl-blue-pale); color: var(--pl-blue-deep); }
.lab-source { display: flex; justify-content: space-between; gap: 12px; margin: 14px 0 0; color: var(--pl-dark-contrast); font: 400 11px var(--pl-mono); }

.pl-proof { background: var(--pl-white); padding-block: 32px; }
.proof-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.proof-grid > div { min-height: 0; padding: 20px; background: var(--pl-paper); border-radius: 12px; }
.proof-grid > div + div { border: 0; }
.proof-grid .proof-main { background: var(--lh-product-sage); color: var(--pl-ink); }
.proof-grid span { display: block; margin-bottom: 12px; color: var(--pl-soft); font-size: 13px; }
.proof-grid .proof-main span { color: var(--pl-soft); }
.proof-grid strong { display: block; margin-bottom: 4px; font-size: 32px; font-weight: 500; letter-spacing: -.03em; }
.proof-grid p { margin: 0; color: var(--pl-soft); font-size: 13px; }
.proof-grid .proof-main p { color: var(--pl-soft); }
.proof-grid a { display: inline-flex; align-items: center; min-height: 24px; font-weight: 500; }
.proof-source { max-width: 100ch; margin: 16px 0 0; color: var(--pl-soft); font-size: 12px; text-align: left; }

.conflict-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.conflict-card { min-height: 0; padding: var(--pl-panel-pad); background: var(--pl-white); border-radius: var(--pl-radius); }
.conflict-card.is-dark { color: var(--pl-ink); }
.conflict-icon { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 24px; border-radius: 10px; background: var(--pl-blue-pale); color: var(--pl-blue-deep); }
.is-dark .conflict-icon { background: var(--pl-blue-pale); color: var(--pl-blue-deep); }
.conflict-card h3 { max-width: 20ch; margin-bottom: 12px; font-size: clamp(24px, 2.5vw, 32px); font-weight: 500; letter-spacing: -.03em; line-height: 1.12; }
.conflict-card p { max-width: 46ch; margin-bottom: 0; color: var(--pl-soft); }
.conflict-card.is-dark p { color: var(--pl-soft); }
.bridge-statement { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; margin-top: 16px; padding: var(--pl-panel-pad); background: var(--lh-product-sage); color: var(--pl-ink); border-radius: var(--pl-radius); }
.bridge-statement strong { max-width: 26ch; font-size: clamp(26px, 3vw, 36px); font-weight: 500; letter-spacing: -.03em; line-height: 1.15; }
.bridge-statement p { margin: 0; color: #415951; font-size: 16px; }

.mechanism { padding-block: var(--pl-section-space); }
.mechanism .pl-heading h2 { max-width: none; }
.mechanism-composition { background: var(--lh-product-stage); color: #f5f5ef; border-radius: var(--pl-radius); overflow: hidden; }
.process-visual { position: relative; margin: 0; padding: 24px 32px 8px; isolation: isolate; }
.process-visual-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: #d1e0df; font-size: 14px; }
.flow-graphic { display: block; width: 100%; height: clamp(200px, 24vw, 280px); stroke-width: 1; stroke-linecap: round; }
.flow-graphic path { vector-effect: non-scaling-stroke; }
.flow-idle .flow-signal { animation-play-state: paused; }
.flow-thread { stroke-width: 1; }
.flow-signal { stroke-width: 1.5; stroke-dasharray: 2 98; stroke-dashoffset: 100; animation: context-transit 7s linear infinite; }
@keyframes context-transit { to { stroke-dashoffset: 0; } }
.motion-pause { position: absolute; width: 1px; height: 1px; opacity: 0; }
.motion-control { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 8px; min-height: 44px; padding: 8px 12px; border-radius: 8px; background: var(--lh-product-stage-raised); color: var(--lh-product-stage-text); font-size: 13px; cursor: pointer; }
.motion-control svg { width: 16px; height: 16px; }
.play-label, .play-symbol { display: none; }
.motion-pause:checked ~ .flow-graphic .flow-signal { animation-play-state: paused; }
.motion-pause:checked ~ .process-visual-head .pause-label, .motion-pause:checked ~ .process-visual-head .pause-symbol { display: none; }
.motion-pause:checked ~ .process-visual-head .play-label, .motion-pause:checked ~ .process-visual-head .play-symbol { display: initial; }
.motion-pause:focus-visible ~ .process-visual-head .motion-control { outline: 2px solid var(--lh-product-selected); outline-offset: 3px; }
.process-visual figcaption { display: flex; justify-content: space-between; gap: 16px; color: var(--lh-product-stage-muted); font-size: 13px; }
.process-visual figcaption span:nth-child(2) { text-align: center; }
.process-visual figcaption span:last-child { text-align: right; }
.mechanism-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; padding: 32px; }
.mechanism-step { display: grid; grid-template-columns: 20px 1fr; gap: 10px 12px; align-content: start; }
.mechanism-step > span { align-self: center; font: 500 11px var(--pl-mono); color: #a4c4c3; }
.mechanism-step svg { width: 20px; height: 20px; color: #b3e4d1; }
.mechanism-step h3 { grid-column: 1 / -1; margin: 0; font-size: 18px; font-weight: 500; letter-spacing: -.02em; }
.mechanism-step p { grid-column: 1 / -1; margin: 0; color: var(--lh-product-stage-muted); font-size: 14px; line-height: 1.5; }

.mode-tabs { background: var(--pl-white); }
.tab-list { display: inline-grid; grid-template-columns: repeat(2, minmax(0, auto)); gap: 4px; margin-bottom: 20px; padding: 4px; background: var(--pl-paper); border-radius: 12px; }
.tab-list button { display: grid; grid-template-columns: 24px minmax(0, 1fr); align-items: center; gap: 10px; min-height: 48px; padding: 12px 16px; border: 0; border-radius: 8px; background: transparent; color: var(--pl-soft); cursor: pointer; text-align: left; }
.tab-list button[aria-selected="true"] { background: var(--lh-product-selected); color: var(--lh-product-selected-ink); }
.tab-index { color: var(--pl-blue-deep); font: 500 10px/1 var(--pl-mono); letter-spacing: .04em; }
.tab-list button[aria-selected="true"] .tab-index { color: var(--lh-product-selected-ink); }
.mode-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; padding: var(--pl-panel-pad); background: var(--pl-paper); border-radius: var(--pl-radius); }
.mode-panel[hidden] { display: none; }
.mode-copy > span { display: block; margin-bottom: 18px; color: var(--pl-blue-deep); font: 500 11px var(--pl-mono); letter-spacing: .07em; }
.mode-copy h3 { max-width: 18ch; margin-bottom: 16px; font-size: clamp(28px, 3.2vw, 40px); font-weight: 500; letter-spacing: -.03em; line-height: 1.12; }
.mode-copy p { max-width: 48ch; color: var(--pl-soft); }
.mode-copy ul { margin: 28px 0 0; padding: 0; list-style: none; }
.mode-copy li { display: flex; gap: 10px; margin-top: 10px; }
.mode-copy li::before { content: "✓"; color: var(--pl-mint); font-weight: 700; }
.sequence-card { padding: 16px; background: var(--pl-white); border-radius: 12px; }
.sequence-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 16px; padding: 4px 4px 0; font: 500 10px var(--pl-mono); letter-spacing: .06em; text-transform: uppercase; }
.sequence-head span:last-child { color: var(--pl-mint); }
.sequence-route { display: grid; grid-template-columns: auto 14px auto 14px auto; align-items: center; justify-content: space-between; gap: 7px; margin-bottom: 8px; padding: 12px; background: var(--pl-blue-pale); }
.sequence-route span { display: inline-flex; align-items: center; gap: 6px; color: var(--pl-blue-deep); font: 500 9px/1.2 var(--pl-mono); letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.sequence-route span svg { width: 15px; height: 15px; }
.sequence-route > svg { width: 14px; height: 14px; color: var(--pl-coral); }
.sequence-row { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; gap: 12px; align-items: start; padding: 16px; background: var(--pl-paper); border-radius: 8px; }
.sequence-row + .sequence-row { margin-top: 8px; }
.sequence-avatar { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--pl-blue-pale); color: var(--pl-blue-deep); font-size: 13px; font-weight: 600; }
.sequence-row strong { display: block; margin-bottom: 4px; font-size: 14px; }
.sequence-row p { margin: 0; color: var(--pl-soft); font-size: 13px; }
.sequence-row small { color: var(--pl-mint); font: 500 10px var(--pl-mono); }

.context-section { background: var(--pl-paper); }
.context-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 16px; }
.context-copy { padding: var(--pl-panel-pad); background: var(--lh-product-sage); border-radius: var(--pl-radius); }
.context-copy h3 { max-width: 18ch; margin-bottom: 20px; font-size: clamp(28px, 3.2vw, 40px); font-weight: 500; letter-spacing: -.03em; line-height: 1.12; }
.context-copy p { max-width: 45ch; margin: 0; color: #415951; }
.field-board { padding: var(--pl-panel-pad); background: var(--lh-product-stage); color: var(--pl-white); border-radius: var(--pl-radius); }
.field-board-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 36px; color: var(--pl-dark-muted); font: 500 10px var(--pl-mono); letter-spacing: .06em; text-transform: uppercase; }
.field-board dl { margin: 0; }
.field-board dl > div { display: grid; grid-template-columns: 1fr 1.2fr auto; gap: 14px; align-items: center; padding: 15px 0; }
.field-board dl > div + div { border: 0; }
.field-board dt { color: var(--pl-dark-contrast); font: 400 11px var(--pl-mono); }
.field-board dd { margin: 0; }
.field-board em { color: var(--pl-mint-contrast); font: normal 500 10px var(--pl-mono); }

.fallback-demo { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 16px; }
.logic-stack { padding: var(--pl-panel-pad); background: var(--pl-white); border-radius: var(--pl-radius); }
.logic-line { display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: center; padding: 16px; background: var(--pl-paper); }
.logic-line + .logic-line { margin-top: 8px; }
.logic-line > span { display: grid; place-items: center; width: 48px; height: 48px; background: var(--pl-blue); color: var(--pl-white); font: 500 10px var(--pl-mono); }
.logic-line.is-fallback > span { background: var(--pl-coral); }
.logic-line strong { display: block; margin-bottom: 3px; }
.logic-line small { color: var(--pl-soft); }
.fallback-result { display: flex; flex-direction: column; justify-content: space-between; padding: var(--pl-panel-pad); background: var(--pl-blue-pale); border-radius: var(--pl-radius); }
.fallback-result > span { color: var(--pl-blue-deep); font: 500 10px var(--pl-mono); letter-spacing: .06em; text-transform: uppercase; }
.fallback-result blockquote { margin: 24px 0; font-size: clamp(24px, 2.5vw, 32px); letter-spacing: -.025em; line-height: 1.25; }
.fallback-result p { margin: 0; color: var(--pl-blue-deep); font-size: 13px; }

.review-section { background: var(--lh-product-stage); color: var(--pl-white); }
.review-section .pl-kicker { color: var(--pl-coral-hot); }
.review-section .pl-heading p { color: var(--pl-dark-contrast); }
.review-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 16px; }
.review-list { padding: 12px; background: #243a41; border-radius: 12px; }
.review-item { display: grid; grid-template-columns: 40px 1fr auto; gap: 16px; align-items: center; padding: 16px; background: var(--lh-product-stage-raised); border-radius: 8px; }
.review-item + .review-item { margin-top: 8px; }
.review-item .sequence-avatar { background: var(--pl-dark-control-raised); color: var(--pl-white); }
.review-item strong { display: block; margin-bottom: 4px; }
.review-item p { max-width: 54ch; margin: 0; color: var(--pl-dark-contrast); font-size: 13px; }
.review-status { display: inline-flex; gap: 7px; align-items: center; color: var(--pl-mint-contrast); font: 500 10px var(--pl-mono); }
.review-status svg { width: 16px; height: 16px; }
.review-summary { padding: var(--pl-panel-pad); background: var(--lh-product-selected); color: var(--lh-product-selected-ink); border-radius: 12px; }
.review-summary > span { font: 500 10px var(--pl-mono); letter-spacing: .06em; text-transform: uppercase; }
.review-summary strong { display: block; margin: 28px 0 12px; font-size: clamp(36px, 4vw, 52px); font-weight: 500; letter-spacing: -.035em; line-height: 1.05; }
.review-summary p { margin: 0; color: #345c50; }
.review-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.review-actions span { position: relative; padding-left: 14px; color: #345c50; font-size: 12px; }
.review-actions span::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; background: currentColor; }

.steps-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.step-card { padding: 24px; background: var(--pl-white); border-radius: var(--pl-radius); }
.step-card > span { display: block; margin-bottom: 24px; color: var(--pl-blue-deep); font: 500 12px var(--pl-mono); }
.step-card h3 { margin-bottom: 12px; font-size: 22px; font-weight: 500; letter-spacing: -.02em; }
.step-card p { margin: 0; color: var(--pl-soft); }

.team-section { background: var(--pl-white); }
.team-section .pl-heading h2 { max-width: none; }
.team-experience { position: relative; display: grid; grid-template-columns: 1fr; gap: 0; background: var(--lh-product-stage); border-radius: var(--pl-radius); overflow: hidden; }
.team-selector { position: absolute; inline-size: 1px; block-size: 1px; margin: 0; opacity: 0; }
.team-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; padding: 16px; }
.team-tabs label { display: grid; grid-template-columns: 24px 1fr; gap: 12px; align-items: center; min-height: 72px; padding: 16px; border-radius: 10px; background: var(--lh-product-stage-raised); color: var(--lh-product-stage-text); text-align: left; cursor: pointer; }
.team-tabs label svg { width: 24px; height: 24px; color: var(--lh-product-selected); }
.team-tabs label span { display: grid; gap: 6px; }
.team-tabs label strong { color: inherit; font-size: 16px; font-weight: 500; }
.team-tabs label small { color: var(--lh-product-stage-muted); font-size: 12px; line-height: 1.4; }
.team-tabs label:hover { background: #3d555d; }
.team-selector:nth-of-type(1):checked ~ .team-tabs label:nth-child(1),
.team-selector:nth-of-type(2):checked ~ .team-tabs label:nth-child(2),
.team-selector:nth-of-type(3):checked ~ .team-tabs label:nth-child(3) { background: var(--lh-product-selected); color: var(--lh-product-selected-ink); }
.team-selector:nth-of-type(1):checked ~ .team-tabs label:nth-child(1) svg,
.team-selector:nth-of-type(1):checked ~ .team-tabs label:nth-child(1) small,
.team-selector:nth-of-type(2):checked ~ .team-tabs label:nth-child(2) svg,
.team-selector:nth-of-type(2):checked ~ .team-tabs label:nth-child(2) small,
.team-selector:nth-of-type(3):checked ~ .team-tabs label:nth-child(3) svg,
.team-selector:nth-of-type(3):checked ~ .team-tabs label:nth-child(3) small { color: #345c50; }
.team-selector:nth-of-type(1):focus-visible ~ .team-tabs label:nth-child(1),
.team-selector:nth-of-type(2):focus-visible ~ .team-tabs label:nth-child(2),
.team-selector:nth-of-type(3):focus-visible ~ .team-tabs label:nth-child(3) { outline: 3px solid var(--pl-white); outline-offset: -6px; }
.team-stage { min-height: 0; }
.team-panel { position: relative; display: none; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; padding: 32px 40px 40px; background: transparent; color: var(--pl-white); animation: team-panel-in 260ms ease-out both; }
.team-selector:nth-of-type(1):checked ~ .team-stage .team-panel:nth-child(1),
.team-selector:nth-of-type(2):checked ~ .team-stage .team-panel:nth-child(2),
.team-selector:nth-of-type(3):checked ~ .team-stage .team-panel:nth-child(3) { display: grid; }
.team-panel-copy { position: relative; z-index: 1; }
.team-panel-copy > span { display: block; margin-bottom: 16px; color: var(--lh-product-stage-muted); font-size: 12px; line-height: 1.4; }
.team-panel h3 { max-width: 20ch; margin: 0 0 16px; font-size: clamp(28px, 3.2vw, 40px); font-weight: 500; letter-spacing: -.03em; line-height: 1.12; }
.team-panel-copy p { max-width: 44ch; margin: 0; color: var(--lh-product-stage-muted); font-size: 16px; line-height: 1.6; }
.team-panel blockquote { position: relative; margin: 0; padding: 32px; border-radius: 12px; background: var(--lh-product-message-paper); color: var(--lh-product-message-ink); font-size: clamp(18px, 1.7vw, 23px); letter-spacing: -.02em; line-height: 1.5; }
.team-panel blockquote > span { display: block; margin-bottom: 20px; color: var(--lh-product-message-muted); font-size: 12px; line-height: 1.4; }
 .team-context { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0 0; }
.team-context dt { margin-bottom: 6px; color: #acc5c5; font-size: 12px; }
.team-context dd { margin: 0; font-size: 14px; color: #f5f5ef; }
@keyframes team-panel-in { from { opacity: .01; clip-path: inset(0 0 12% 0); } to { opacity: 1; clip-path: inset(0); } }

.faq-grid { display: grid; grid-template-columns: minmax(240px, .38fr) minmax(0, 1fr); gap: clamp(40px, 8vw, 120px); }
.faq-intro h2 { max-width: 12ch; margin-bottom: 20px; font-size: clamp(32px, 4vw, 52px); font-weight: 500; letter-spacing: -.03em; line-height: 1.05; }
.faq-intro p { color: var(--pl-soft); }
.faq-list details { background: var(--pl-white); border-radius: 12px; }
.faq-list details + details { margin-top: 8px; }
.faq-list summary { display: grid; grid-template-columns: 1fr 24px; gap: 20px; align-items: center; min-height: 76px; padding: 20px 24px; cursor: pointer; font-weight: 600; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font: 400 24px/1 var(--pl-font); text-align: center; }
.faq-list details[open] summary::after { content: "−"; }
.faq-answer { padding: 0 24px 24px; color: var(--pl-soft); }
.faq-answer p { max-width: 68ch; margin-bottom: 0; }

.final-cta { position: relative; overflow: hidden; background: var(--lh-product-sage); color: var(--pl-ink); }
.final-cta::after { display: none; }
.final-cta .pl-shell { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr minmax(280px, .38fr); gap: 48px; align-items: end; }
.final-cta h2 { max-width: 22ch; margin: 0; font-size: clamp(36px, 4.2vw, 56px); font-weight: 500; letter-spacing: -.035em; line-height: 1.08; }
.final-cta-copy p { margin-bottom: 24px; color: #415951; }
.final-cta .pl-button { background: var(--pl-blue-deep); color: var(--pl-white); }
.final-cta .pl-button:hover { background: #163d56; }
.final-cta .pl-trial-note { color: #415951; }
.final-cta .pl-trial-note svg { color: #415951; }

.pl-footer { background: var(--pl-dark); color: var(--pl-dark-contrast); }
.pl-footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: end; padding-block: 40px; }
.pl-footer p { margin: 0; font-size: 12px; }
.pl-footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 20px; }
.pl-footer a { display: inline-flex; align-items: center; min-height: 44px; }
.pl-footer a:hover { color: var(--pl-white); }

[data-reveal] { opacity: 1; transform: none; }
[data-reveal].is-visible { opacity: 1; transform: none; }


@media (max-width: 1040px) {
  .pl-header { grid-template-columns: 1fr auto; }
  .pl-nav { display: none; }
  .pl-hero-grid { gap: 32px; min-height: 0; padding-block: 56px; }
  html[lang] .pl-hero-copy h1 { font-size: 44px; }
  .message-lab { padding: 24px; }
  .lab-options { gap: 6px; }
  .pl-heading { grid-template-columns: 1fr 1fr; }
  .mechanism-flow, .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mode-panel, .context-grid, .fallback-demo { gap: 24px; }
  .mode-panel { grid-template-columns: 1fr; }
  .team-panel { padding: 24px; }
  .team-tabs label small { display: none; }
  .final-cta .pl-shell { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  :root { --pl-pad: 20px; --pl-panel-pad: 24px; --pl-section-space: 56px; }
  html { scroll-padding-top: 80px; }
  .pl-header { min-height: 64px; }
  .pl-case-link span { display: none; }
  .pl-case-link { width: 44px; padding: 0; }
  .pl-hero-grid { grid-template-columns: 1fr; padding-block: 40px 48px; gap: 32px; }
  html[lang] .pl-hero-copy h1 { font-size: clamp(36px, 7vw, 52px); line-height: 1.07; }
  .pl-hero-copy > p { font-size: 16px; margin-bottom: 24px; }
  .pl-hero-copy .pl-kicker { margin-bottom: 20px; }
  .pl-cta-row { align-items: stretch; }
  .pl-button { min-height: 48px; font-size: 14px; padding: 12px 16px; }
  .pl-trial-note { font-size: 12px; }
  .message-lab-header { gap: 12px; }
  .message-lab-header span:first-child { font-size: 10px; }
  .lab-source { flex-direction: column; gap: 6px; font-size: 12px; }
  .pl-heading { grid-template-columns: 1fr; gap: 20px; margin-bottom: 24px; }
  .pl-heading h2, .team-section .pl-heading h2 { font-size: clamp(30px, 6vw, 40px); line-height: 1.1; }
  .pl-heading p { font-size: 16px; }
  .proof-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .proof-grid > div { padding: 16px; }
  .proof-grid strong { font-size: 28px; }
  .proof-grid span { font-size: 12px; }
  .conflict-grid, .bridge-statement, .context-grid, .fallback-demo, .review-grid, .faq-grid { grid-template-columns: 1fr; }
  .conflict-icon { margin-bottom: 20px; }
  .bridge-statement { gap: 16px; }
  .bridge-statement strong { font-size: 28px; }
  .process-visual { padding: 16px 20px 0; }
  .process-visual-head { align-items: start; font-size: 13px; }
  .process-visual-head > span { max-width: 24ch; }
  .flow-graphic { height: 210px; }
  .process-visual figcaption { gap: 12px; font-size: 11px; }
  .process-visual figcaption span { flex: 1; }
  .mechanism-flow { padding: 24px; gap: 24px 16px; }
  .mechanism-step h3 { font-size: 16px; }
  .mechanism-step p { font-size: 14px; }
  .tab-list { display: grid; grid-template-columns: 1fr; width: 100%; }
  .tab-list button { font-size: 14px; }
  .mode-panel { padding: 20px; }
  .mode-copy h3, .context-copy h3 { font-size: 30px; max-width: none; }
  .sequence-card { padding: 12px; }
  .sequence-row { grid-template-columns: 36px minmax(0, 1fr); padding: 12px; gap: 10px; }
  .sequence-avatar { width: 36px; height: 36px; }
  .sequence-row small { grid-column: 2; }
  .sequence-head { flex-direction: column; gap: 6px; font-size: 11px; }
  .sequence-route { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; padding: 12px 8px; }
  .sequence-route span { flex-direction: column; white-space: normal; text-align: center; font-size: 9px; }
  .sequence-route > svg { display: none; }
  .field-board dl > div { grid-template-columns: 1fr auto; gap: 8px; }
  .field-board dd { grid-column: 1 / -1; grid-row: 2; }
  .logic-line { padding: 12px; grid-template-columns: 40px 1fr; gap: 12px; }
  .logic-line > span { width: 40px; height: 40px; }
  .review-item { grid-template-columns: 36px 1fr; gap: 12px; padding: 16px 12px; }
  .review-status { grid-column: 2; }
  .review-summary strong { margin-top: 24px; }
  .team-tabs { gap: 6px; padding: 12px; }
  .team-tabs label { grid-template-columns: 1fr; justify-items: start; gap: 8px; min-height: 76px; padding: 12px; }
  .team-tabs label strong { font-size: 13px; }
  .team-tabs label svg { width: 20px; height: 20px; }
  .team-panel { grid-template-columns: 1fr; gap: 24px; padding: 20px 24px 24px; }
  .team-panel h3 { font-size: 30px; }
  .team-panel blockquote { padding: 24px; font-size: 18px; }
  .team-context { gap: 16px; }
  .final-cta .pl-shell { grid-template-columns: 1fr; gap: 24px; }
  .final-cta h2 { font-size: 36px; }
  .pl-footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .pl-footer-links { justify-content: flex-start; gap: 16px; }
}
@media (max-width: 420px) {
  html[lang] .pl-hero-copy h1 { font-size: 36px; }
  .pl-cta-row { display: grid; grid-template-columns: 1fr; }
  .message-lab { padding: 20px; }
  .lab-message { padding: 20px; min-height: 0; }
  .lab-message p { font-size: 16px; }
  .lab-options { display: grid; grid-template-columns: 1fr; }
  .lab-options button { text-align: left; }
  .mechanism-flow, .steps-grid { grid-template-columns: 1fr; }
  .mechanism-step { grid-template-columns: 20px 20px 1fr; gap: 8px 10px; }
  .mechanism-step h3 { grid-column: 3; }
  .mechanism-step p { grid-column: 3; }
  .process-visual-head > span { max-width: 18ch; }
  .process-visual figcaption span:nth-child(2) { display: none; }
  .flow-graphic { height: 172px; }
  .team-tabs { grid-template-columns: 1fr; padding: 12px; }
  .team-tabs label { grid-template-columns: 24px 1fr; min-height: 48px; align-items: center; gap: 12px; }
  .team-tabs label strong { font-size: 15px; }
  .team-panel { padding: 20px; }
  .team-panel h3 { font-size: 28px; }
  .team-context { grid-template-columns: 1fr; gap: 12px; margin-top: 20px; }
  .team-context > div { display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: baseline; }
  .team-context dt { margin: 0; }
  .team-panel blockquote { padding: 20px; font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .flow-signal { animation: none !important; stroke-dashoffset: 35; }
  .motion-control, .motion-pause { display: none; }
}
}