:root {
  --color-bg: #f3f5f4;
  --color-surface: #fcfdfc;
  --color-surface-muted: #e8ecea;
  --color-ink: #121816;
  --color-muted: #5d6863;
  --color-line: #cbd2ce;
  --color-brand: #123d32;
  --color-brand-strong: #0d2e26;
  --color-signal: #b7e44a;
  --color-signal-ink: #17200c;
  --color-panel: #0d1713;
  --color-panel-line: #2a3a33;
  --color-panel-text: #f4f8f5;
  --color-panel-muted: #93a39b;
  --color-comply: #167a52;
  --color-partial: #9a6100;
  --color-exception: #ad352f;
  --color-unknown: #66736d;
  --font-display: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
  --font-body: Inter, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --content-max: 1280px;
  --page-pad: clamp(1.125rem, 3vw, 2rem);
  --section-space: clamp(4.75rem, 9vw, 8.5rem);
  --radius-sm: 6px;
  --radius-lg: 10px;
  --ease: cubic-bezier(.2, .75, .25, 1);
}

* { box-sizing: border-box; }

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  overflow-x: hidden;
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  border-inline: 1px solid rgb(18 61 50 / 8%);
  content: "";
  margin: auto;
  width: min(calc(100% - 2 * var(--page-pad)), var(--content-max));
  pointer-events: none;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid var(--color-signal);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 100;
  padding: .65rem 1rem;
  background: var(--color-brand);
  color: #fff;
  transform: translateY(-160%);
}

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

.container {
  width: min(calc(100% - 2 * var(--page-pad)), var(--content-max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgb(203 210 206 / 80%);
  background: rgb(243 245 244 / 90%);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  font-weight: 780;
  letter-spacing: -.035em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 1.9rem;
  height: 1.9rem;
  place-items: center;
  border: 1px solid var(--color-brand);
  color: var(--color-brand);
  font-family: var(--font-mono);
  font-size: .62rem;
  transform: rotate(45deg);
}

.brand-mark span { transform: rotate(-45deg); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}

.nav-links a {
  position: relative;
  color: var(--color-muted);
  font-size: .82rem;
  text-decoration: none;
}

.nav-links a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -.45rem;
  left: 0;
  height: 1px;
  background: var(--color-brand);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms var(--ease);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-ink);
}

.button {
  display: inline-flex;
  min-height: 2.875rem;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: .75rem 1.15rem;
  background: var(--color-signal);
  color: var(--color-signal-ink);
  font-size: .82rem;
  font-weight: 750;
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
  transition: transform 180ms var(--ease), background 180ms var(--ease);
}

.button:hover { background: #a9d839; transform: translateY(-2px); }
.button--secondary { border-color: var(--color-brand); background: transparent; color: var(--color-brand); }
.button--secondary:hover { background: var(--color-surface-muted); }
.button--dark { background: var(--color-brand); color: #fff; }
.button--dark:hover { background: var(--color-brand-strong); }
.button[disabled] { cursor: not-allowed; background: var(--color-line); color: var(--color-muted); transform: none; }

.eyebrow,
.micro {
  color: var(--color-brand);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 750;
  letter-spacing: .12em;
  line-height: 1.2;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 760;
  letter-spacing: -.045em;
}

h1 { font-size: clamp(2.5rem, 4.4vw, 4.25rem); line-height: 1; }
h2 { font-size: clamp(2.35rem, 4.5vw, 4rem); line-height: 1; }
h3 { font-size: clamp(1.3rem, 2vw, 1.65rem); line-height: 1.15; }

.lede {
  max-width: 42rem;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - 4.5rem);
  grid-template-columns: minmax(0, .82fr) minmax(33rem, 1.18fr);
  align-items: center;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  padding-block: clamp(4rem, 8vw, 7rem);
}

.hero::after {
  position: absolute;
  bottom: .5rem;
  left: -.05em;
  z-index: -1;
  color: var(--color-surface-muted);
  content: "RFQ";
  font-family: var(--font-display);
  font-size: clamp(8rem, 18vw, 15rem);
  font-weight: 850;
  letter-spacing: -.09em;
  line-height: .72;
  pointer-events: none;
}

.hero-copy > * {
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise-in 650ms var(--ease) forwards;
}

.hero-copy h1 { margin-top: 1.4rem; animation-delay: 80ms; }
.hero-copy .lede { margin: 1.6rem 0 0; animation-delay: 160ms; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; animation-delay: 240ms !important; }
.audience {
  border-top: 1px solid var(--color-line);
  margin-top: 2rem;
  padding-top: 1rem;
  animation-delay: 320ms !important;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
}

.panel-scene {
  position: relative;
  z-index: 2;
  padding: 1.75rem .9rem 1.25rem 1.35rem;
  perspective: 1100px;
}

.back-sheet {
  position: absolute;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  pointer-events: none;
}

.back-sheet--one { inset: .5rem 2rem 2.4rem .1rem; transform: rotate(-3deg); }
.back-sheet--two { inset: 1.2rem 0 .6rem 2.8rem; transform: rotate(2.5deg); }

.sheet-label {
  position: absolute;
  bottom: .9rem;
  left: .8rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: .52rem;
}

.float-chip {
  position: absolute;
  z-index: 5;
  border: 1px solid var(--color-panel-line);
  padding: .6rem .75rem;
  background: var(--color-panel);
  color: var(--color-panel-muted);
  font-family: var(--font-mono);
  font-size: .56rem;
  letter-spacing: .06em;
  transition: transform 180ms var(--ease);
}

.float-chip--source { top: 0; right: -.25rem; }
.float-chip--route { bottom: 0; left: -.5rem; }
.panel-scene:hover .float-chip--source { transform: translate(.5rem, -.5rem); }
.panel-scene:hover .float-chip--route { transform: translate(-.5rem, .5rem); }

.rfq-panel {
  position: relative;
  z-index: 2;
  min-height: 33rem;
  overflow: hidden;
  border: 1px solid var(--color-panel-line);
  border-radius: 3px;
  background: var(--color-panel);
  color: var(--color-panel-text);
  transform-style: preserve-3d;
  transition: transform 150ms ease-out;
}

.rfq-panel::before {
  position: absolute;
  right: -1rem;
  top: -1rem;
  width: 2.6rem;
  height: 2.6rem;
  z-index: 5;
  border: 1px solid var(--color-signal);
  content: "";
}

.panel-sweep {
  position: absolute;
  right: 0;
  left: 0;
  z-index: 8;
  height: 1px;
  background: var(--color-signal);
  opacity: .65;
  pointer-events: none;
  animation: panel-sweep 3.6s ease-in-out infinite;
}

.panel-top {
  display: flex;
  min-height: 3rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--color-panel-line);
  padding: .8rem 1rem;
  color: var(--color-panel-muted);
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .06em;
}

.sequence-toggle {
  border: 0;
  background: transparent;
  color: var(--color-signal);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .58rem;
}

.stage-tabs { display: grid; grid-template-columns: repeat(4, 1fr); }
.stage-tab {
  min-height: 3rem;
  border: 0;
  border-right: 1px solid var(--color-panel-line);
  border-bottom: 1px solid var(--color-panel-line);
  background: transparent;
  color: var(--color-panel-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .58rem;
}
.stage-tab:last-child { border-right: 0; }
.stage-tab.is-active { background: rgb(183 228 74 / 9%); color: var(--color-signal); }
.stage-tab.is-active::before { content: "● "; }

.stage-progress { height: 3px; overflow: hidden; background: var(--color-panel-line); }
.stage-progress::after {
  display: block;
  height: 100%;
  background: var(--color-signal);
  content: "";
  transform-origin: left;
  animation: progress 3.6s linear infinite;
}

.panel-workspace { display: grid; min-height: 25rem; grid-template-columns: 1.05fr .95fr; }
.requirement-list { border-right: 1px solid var(--color-panel-line); padding: .8rem; }
.requirement {
  position: relative;
  width: 100%;
  margin-bottom: .4rem;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: .8rem;
  background: transparent;
  color: var(--color-panel-text);
  cursor: pointer;
  text-align: left;
}
.requirement:hover { background: rgb(255 255 255 / 4%); }
.requirement.is-active { border-color: var(--color-signal); background: rgb(183 228 74 / 7%); }
.requirement.is-active::after { position: absolute; top: 50%; right: .65rem; color: var(--color-signal); content: "→"; }
.requirement-meta {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  color: var(--color-panel-muted);
  font-family: var(--font-mono);
  font-size: .54rem;
}
.requirement strong { display: block; margin-top: .45rem; font-size: .77rem; }
.requirement small { display: block; margin-top: .2rem; color: var(--color-panel-muted); font-size: .67rem; }

.evidence-pane { display: flex; flex-direction: column; padding: 1.4rem; }
.panel-label { color: var(--color-panel-muted); font-family: var(--font-mono); font-size: .56rem; letter-spacing: .08em; }
.evidence-doc {
  position: relative;
  overflow: hidden;
  margin-top: .8rem;
  border: 1px solid var(--color-panel-line);
  border-radius: 4px;
  padding: 1rem;
  background: rgb(255 255 255 / 3%);
}
.evidence-doc::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 10%;
  width: 2px;
  background: var(--color-signal);
  content: "";
  animation: doc-scan 3.6s ease-in-out infinite;
}
.doc-ref { color: var(--color-signal); font-family: var(--font-mono); font-size: .56rem; }
.doc-quote { margin-top: .8rem; font-size: .78rem; line-height: 1.5; }
.match-line {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: .6rem;
  margin-top: .9rem;
  color: var(--color-panel-muted);
  font-family: var(--font-mono);
  font-size: .52rem;
}
.match-line::before {
  height: 1px;
  background: var(--color-signal);
  content: "";
  transform-origin: left;
  animation: match 3.6s ease-in-out infinite;
}
.review-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--color-panel-line);
  margin-top: 1.2rem;
  padding-top: 1rem;
}
.status-value { font-family: var(--font-mono); font-size: .68rem; font-weight: 800; animation: status-pop 3.6s ease-in-out infinite; }
.evidence-owner { margin-top: auto; color: var(--color-panel-muted); font-family: var(--font-mono); font-size: .54rem; line-height: 1.5; }

.section { padding-block: var(--section-space); }
.section-rule {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--color-line);
  padding-top: 1rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .06em;
}
.section-heading { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(18rem, .6fr); gap: 3rem; align-items: end; margin-top: 1.1rem; }
.section-heading .lede { margin: 0; font-size: 1rem; }

.signal-section {
  position: relative;
  overflow: hidden;
  padding-block: var(--section-space);
  background: var(--color-panel);
  color: var(--color-panel-text);
}

.signal-section .eyebrow { color: var(--color-signal); }
.signal-section .lede { color: var(--color-panel-muted); }
.signal-map {
  display: grid;
  min-height: 22rem;
  grid-template-columns: 1fr 5rem 1.1fr 5rem 1fr;
  align-items: stretch;
  margin-top: 3.5rem;
}
.signal-column { display: flex; flex-direction: column; justify-content: center; gap: .75rem; }
.signal-node {
  min-height: 5rem;
  border: 1px solid var(--color-panel-line);
  padding: 1rem;
  background: rgb(255 255 255 / 3%);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}
.signal-node:hover { border-color: var(--color-signal); transform: translateY(-4px); }
.signal-node strong { display: block; font-size: .8rem; }
.signal-node span { color: var(--color-panel-muted); font-family: var(--font-mono); font-size: .56rem; }
.signal-core {
  position: relative;
  display: grid;
  min-height: 18rem;
  place-items: center;
  border: 1px solid var(--color-signal);
  background: rgb(183 228 74 / 7%);
  text-align: center;
}
.signal-core::before { position: absolute; inset: .8rem; border: 1px solid var(--color-panel-line); content: ""; animation: core-frame 3.6s ease-in-out infinite; }
.signal-core strong { position: relative; font-family: var(--font-display); font-size: clamp(2.7rem, 6vw, 5.5rem); letter-spacing: -.07em; line-height: .9; }
.signal-core span { position: relative; display: block; margin-top: .8rem; color: var(--color-signal); font-family: var(--font-mono); font-size: .55rem; }
.signal-rail { position: relative; overflow: hidden; }
.signal-rail::before { position: absolute; top: 50%; right: 0; left: 0; height: 1px; background: var(--color-panel-line); content: ""; }
.signal-rail::after { position: absolute; top: calc(50% - 4px); width: 8px; height: 8px; background: var(--color-signal); content: ""; transform: rotate(45deg); animation: rail-travel 3.6s var(--ease) infinite; }

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--color-line);
  margin-top: 3rem;
}
.workflow-step { min-height: 14rem; border-right: 1px solid var(--color-line); padding: 1.5rem; }
.workflow-step:first-child { padding-left: 0; }
.workflow-step:last-child { border-right: 0; }
.step-icon { width: 2.75rem; height: 2.75rem; color: var(--color-brand); }
.workflow-step h3 { margin-top: 2rem; font-size: 1.2rem; }
.workflow-step p { color: var(--color-muted); font-size: .83rem; }

.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.principle-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--color-line); }
.principle { min-height: 11rem; border-bottom: 1px solid var(--color-line); padding: 1.4rem 1rem 1.4rem 0; }
.principle:nth-child(even) { border-left: 1px solid var(--color-line); padding-left: 1.4rem; }
.principle h3 { font-size: 1rem; letter-spacing: -.02em; }
.principle p { color: var(--color-muted); font-size: .82rem; }

.page-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 35rem;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2.5rem, 7vw, 7rem);
  padding-block: var(--section-space);
}
.page-hero::before {
  position: absolute;
  bottom: 2.5rem;
  left: -.06em;
  z-index: 0;
  color: var(--color-surface-muted);
  content: attr(data-watermark);
  font-family: var(--font-display);
  font-size: clamp(7rem, 17vw, 14rem);
  font-weight: 850;
  letter-spacing: -.09em;
  line-height: .72;
  pointer-events: none;
}
.page-hero > * { position: relative; z-index: 1; }
.page-hero h1 {
  max-width: 13ch;
  margin-top: 1.2rem;
  font-size: clamp(2.5rem, 3.75vw, 3.8rem);
  line-height: 1;
}
.page-hero .lede { margin-top: 1.5rem; }

.visual-stage {
  position: relative;
  min-height: 28rem;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
}
.visual-stage::before {
  position: absolute;
  inset: 1rem;
  border: 1px solid var(--color-line);
  content: "";
  pointer-events: none;
}
.stage-caption {
  position: absolute;
  top: 1.7rem;
  left: 1.7rem;
  z-index: 4;
  color: var(--color-brand);
  font-family: var(--font-mono);
  font-size: .58rem;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.stage-status {
  position: absolute;
  top: 1.35rem;
  right: 1.35rem;
  z-index: 5;
  border: 1px solid var(--color-line);
  padding: .5rem .65rem;
  background: var(--color-surface);
  color: var(--color-brand);
  font-family: var(--font-mono);
  font-size: .56rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.document-orbit .orbit-sheet {
  position: absolute;
  width: 58%;
  min-height: 8rem;
  border: 1px solid var(--color-line);
  padding: 1rem;
  background: var(--color-surface);
  will-change: opacity, transform;
}
.document-orbit .orbit-sheet:nth-of-type(1) {
  top: 5.2rem;
  left: 7%;
  animation: document-source-a 8.8s var(--ease) infinite;
}
.document-orbit .orbit-sheet:nth-of-type(2) {
  top: 10rem;
  right: 6%;
  animation: document-source-b 8.8s var(--ease) infinite;
}
.document-orbit .orbit-sheet:nth-of-type(3) {
  bottom: 2.8rem;
  left: 20%;
  border-color: var(--color-brand);
  animation: document-matrix 8.8s var(--ease) infinite;
}
.orbit-sheet strong { display: flex; justify-content: space-between; gap: .5rem; font-family: var(--font-mono); font-size: .58rem; }
.orbit-lines { display: grid; gap: .55rem; margin-top: 1rem; }
.orbit-lines i { display: block; height: 5px; background: var(--color-surface-muted); }
.orbit-lines i:nth-child(2) { width: 78%; }
.orbit-lines i:nth-child(3) { width: 90%; }

.workflow-stage {
  display: grid;
  place-items: center;
  background: var(--color-panel);
  color: var(--color-panel-text);
}
.workflow-stage::before { border-color: var(--color-panel-line); }
.workflow-ring {
  position: relative;
  display: grid;
  width: min(70vw, 18rem);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--color-signal);
  border-radius: 50%;
  transition: border-color 320ms var(--ease), transform 320ms var(--ease);
}
.workflow-ring::before,
.workflow-ring::after {
  position: absolute;
  border: 1px solid var(--color-panel-line);
  border-radius: 50%;
  content: "";
}
.workflow-ring::before { inset: 1.5rem; animation: orbit-spin 9s linear infinite; border-top-color: var(--color-signal); }
.workflow-ring::after { inset: 3.1rem; animation: orbit-spin 6s linear infinite reverse; border-right-color: var(--color-signal); }
.workflow-core { position: relative; z-index: 2; text-align: center; }
.workflow-core strong {
  display: block;
  font-family: var(--font-display);
  font-size: 4rem;
  letter-spacing: -.08em;
  line-height: .85;
  transition: opacity 180ms var(--ease), transform 180ms var(--ease);
}
.workflow-core span {
  display: block;
  margin-top: .8rem;
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-size: .56rem;
  transition: opacity 180ms var(--ease), transform 180ms var(--ease);
}
.workflow-stage.is-transitioning .workflow-core strong,
.workflow-stage.is-transitioning .workflow-core span { opacity: 0; transform: translateY(.45rem); }
.workflow-stage.is-transitioning .workflow-ring { transform: scale(.96); }
.workflow-stage .step-dots { position: absolute; right: 1.7rem; bottom: 1.7rem; display: flex; gap: .4rem; }
.workflow-stage .step-dots span { position: relative; width: 2.2rem; height: 2px; overflow: hidden; background: var(--color-panel-line); }
.workflow-stage .step-dots span::after { position: absolute; inset: 0; background: var(--color-signal); content: ""; transform: scaleX(0); transform-origin: left; }
.workflow-stage .step-dots span.is-complete::after { transform: scaleX(1); }
.workflow-stage .step-dots span.is-active::after { animation: workflow-progress 2.5s linear forwards; }

.boundary-visual {
  background: var(--color-brand-strong);
  color: #f5faf7;
}
.boundary-visual::before { border-color: #315348; }
.boundary-visual .stage-caption { color: var(--color-signal); }
.boundary-layers {
  position: absolute;
  inset: 5.1rem 2rem 7rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.35rem;
}
.boundary-layer {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid #315348;
  padding: 1rem;
  color: #b5c3bc;
  font-family: var(--font-mono);
  font-size: .58rem;
  text-align: left;
  transition: background 320ms var(--ease), border-color 320ms var(--ease), color 320ms var(--ease), transform 320ms var(--ease);
}
.boundary-layer::before {
  position: absolute;
  top: -.32rem;
  left: -.32rem;
  width: .58rem;
  height: .58rem;
  border: 1px solid #315348;
  background: var(--color-brand-strong);
  content: "";
  transform: rotate(45deg);
}
.boundary-layer::after {
  position: absolute;
  top: 50%;
  left: calc(100% + 1px);
  width: 1.35rem;
  height: 1px;
  background: #315348;
  content: "";
}
.boundary-layer:last-child::after { display: none; }
.boundary-layer span { margin-bottom: auto; color: #729083; font-size: .5rem; }
.boundary-layer strong { color: inherit; font-size: .68rem; line-height: 1.4; }
.boundary-layer small { margin-top: .4rem; color: #729083; font-size: .5rem; }
.boundary-layer.is-complete { border-color: #708b7f; color: #dce8e2; }
.boundary-layer.is-complete::before { border-color: var(--color-signal); background: var(--color-signal); }
.boundary-layer.is-active { border-color: var(--color-signal); background: rgb(183 228 74 / 10%); color: #fff; transform: translateY(-.45rem); }
.boundary-layer.is-active::before { border-color: var(--color-signal); box-shadow: 0 0 0 .35rem rgb(183 228 74 / 9%); }
.boundary-pulse {
  position: absolute;
  top: 49%;
  left: 8%;
  z-index: 4;
  width: .65rem;
  height: .65rem;
  background: var(--color-signal);
  transform: rotate(45deg);
  transition: left 780ms var(--ease), top 780ms var(--ease), opacity 200ms var(--ease), transform 780ms var(--ease);
}
.boundary-visual[data-boundary-step="0"] .boundary-pulse { left: 15%; }
.boundary-visual[data-boundary-step="1"] .boundary-pulse { left: 49%; transform: rotate(225deg) scale(1.15); }
.boundary-visual[data-boundary-step="2"] .boundary-pulse { left: 83%; transform: rotate(405deg); }
.boundary-visual[data-boundary-step="3"] .boundary-pulse { top: 79%; left: 49%; background: var(--color-exception); transform: rotate(585deg); }
.boundary-route {
  position: absolute;
  top: 49%;
  right: 16%;
  left: 16%;
  z-index: 0;
  height: 1px;
  background: linear-gradient(90deg, #315348 0 46%, var(--color-signal) 50%, #315348 54% 100%);
  opacity: .75;
}
.boundary-exception {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  width: 42%;
  border-left: 2px solid var(--color-exception);
  padding: .7rem .9rem;
  background: rgb(199 73 56 / 8%);
  opacity: .35;
  transform: translateY(.45rem);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}
.boundary-exception span { display: block; color: #df978d; font-family: var(--font-mono); font-size: .48rem; }
.boundary-exception strong { display: block; margin-top: .25rem; font-family: var(--font-mono); font-size: .58rem; }
.boundary-exception.is-active { opacity: 1; transform: translateY(0); }
.boundary-readout { position: absolute; bottom: 2rem; left: 2rem; display: flex; align-items: baseline; gap: .65rem; }
.boundary-readout span { color: var(--color-signal); font-family: var(--font-display); font-size: 1.8rem; font-weight: 760; letter-spacing: -.07em; }
.boundary-readout strong { color: #b5c3bc; font-family: var(--font-mono); font-size: .54rem; font-weight: 500; text-transform: uppercase; }

.faq-visual { padding: 5.2rem 2rem 2rem; }
.question-stack { display: grid; gap: .7rem; }
.question-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--color-line);
  padding: 1rem;
  background: var(--color-bg);
  cursor: pointer;
  color: var(--color-muted);
  text-align: left;
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease);
}
.question-chip:hover,
.question-chip.is-active { border-color: var(--color-brand); color: var(--color-ink); transform: translateX(.55rem); }
.question-chip span { font-family: var(--font-mono); font-size: .58rem; }
.answer-signal { margin-top: 1rem; border-left: 3px solid var(--color-signal); padding: 1rem; background: var(--color-surface-muted); color: var(--color-muted); font-size: .82rem; }

.assessment-visual { background: var(--color-panel); color: var(--color-panel-text); }
.assessment-visual::before { border-color: var(--color-panel-line); }
.assessment-visual .stage-caption { color: var(--color-signal); }
.assessment-path { position: absolute; inset: 5rem 2rem 2rem; display: grid; grid-template-columns: 1fr; align-content: center; gap: .75rem; }
.assessment-node {
  position: relative;
  border: 1px solid var(--color-panel-line);
  padding: 1rem 1rem 1rem 3.1rem;
  color: var(--color-panel-muted);
  font-size: .76rem;
  transition: border-color 220ms var(--ease), color 220ms var(--ease), transform 220ms var(--ease);
}
.assessment-node::before { position: absolute; top: 50%; left: 1rem; width: .55rem; height: .55rem; border: 1px solid currentColor; content: ""; transform: translateY(-50%) rotate(45deg); }
.assessment-node.is-active { border-color: var(--color-signal); color: var(--color-panel-text); transform: translateX(.45rem); }

.privacy-visual { background: var(--color-surface); }
.privacy-shield {
  position: absolute;
  inset: 5rem 20% 2.5rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-brand);
  clip-path: polygon(50% 0, 93% 18%, 86% 75%, 50% 100%, 14% 75%, 7% 18%);
  color: var(--color-brand);
  text-align: center;
}
.privacy-shield::before { position: absolute; inset: 1.2rem; border: 1px solid var(--color-line); clip-path: inherit; content: ""; }
.privacy-shield strong { position: relative; font-family: var(--font-display); font-size: 2.4rem; letter-spacing: -.06em; }
.privacy-shield span { position: relative; display: block; margin-top: .6rem; font-family: var(--font-mono); font-size: .56rem; }
.privacy-packet {
  position: absolute;
  left: 8%;
  top: 50%;
  width: .65rem;
  height: .65rem;
  background: var(--color-partial);
  transform: rotate(45deg);
  animation: privacy-stop 3.8s var(--ease) infinite;
}

.page-motion-band {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--color-line);
  padding-block: .85rem;
  background: var(--color-surface);
  color: var(--color-brand);
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.motion-track { display: flex; width: max-content; gap: 3rem; animation: marquee 24s linear infinite; }
.motion-track span::before { margin-right: 3rem; color: var(--color-signal-ink); content: "◆"; }

.attachment-stage { position: relative; min-height: 28rem; }
.attachment-stage .attachment {
  position: absolute;
  width: min(78%, 24rem);
  border: 1px solid var(--color-line);
  padding: 1.1rem;
  background: var(--color-surface);
}
.attachment-stage .attachment:nth-child(1) { top: 1rem; left: 0; transform: rotate(-6deg); }
.attachment-stage .attachment:nth-child(2) { top: 6rem; right: 0; transform: rotate(5deg); }
.attachment-stage .attachment:nth-child(3) { bottom: 1rem; left: 12%; transform: rotate(-1deg); border-color: var(--color-brand); }
.attachment-head { display: flex; justify-content: space-between; border-bottom: 1px solid var(--color-line); padding-bottom: .6rem; font-family: var(--font-mono); font-size: .58rem; }
.attachment-lines { display: grid; gap: .6rem; margin-top: 1rem; }
.attachment-lines span { display: block; height: 6px; background: var(--color-surface-muted); }
.attachment-lines span:nth-child(2) { width: 76%; }
.attachment-lines span:nth-child(3) { width: 88%; }

.feature-list { display: grid; border-top: 1px solid var(--color-line); }
.feature {
  display: grid;
  grid-template-columns: 4rem minmax(0, .7fr) minmax(18rem, 1fr);
  gap: 1.5rem;
  align-items: start;
  border-bottom: 1px solid var(--color-line);
  padding-block: 1.6rem;
}
.feature-num { color: var(--color-brand); font-family: var(--font-mono); font-size: .68rem; }
.feature p { margin: 0; color: var(--color-muted); }

.dark-band { padding-block: var(--section-space); background: var(--color-brand-strong); color: #f5faf7; }
.dark-band .eyebrow { color: var(--color-signal); }
.dark-band .lede { color: #b5c3bc; }

.boundary-map { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 1rem; margin-top: 3rem; }
.boundary-zone { min-height: 15rem; border: 1px solid #315348; padding: 1.4rem; }
.boundary-zone.is-approved { border-color: var(--color-signal); }
.boundary-zone h3 { font-size: 1.15rem; }
.boundary-zone ul { padding-left: 1rem; color: #b5c3bc; font-size: .82rem; }
.boundary-arrow { color: var(--color-signal); font-family: var(--font-mono); }

.faq-list { border-top: 1px solid var(--color-line); }
.faq-list details { border-bottom: 1px solid var(--color-line); }
.faq-list summary {
  display: flex;
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { color: var(--color-brand); content: "+"; font-family: var(--font-mono); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 48rem; margin: -.5rem 0 1.8rem; color: var(--color-muted); }
.faq-list details[open] { background: var(--color-surface); padding-inline: 1.2rem; }
.faq-list details { transition: padding 220ms var(--ease), background 220ms var(--ease); }

.assessment-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.assessment-summary { position: sticky; top: 7rem; padding: 1.5rem; background: var(--color-panel); color: var(--color-panel-text); }
.assessment-summary::before { display: block; width: 3.5rem; height: 3px; margin-bottom: 1.5rem; background: var(--color-signal); content: ""; animation: summary-scan 3.2s var(--ease) infinite; }
.summary-row { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--color-panel-line); padding-block: .9rem; font-size: .75rem; }
.summary-row span { color: var(--color-panel-muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.field { display: grid; gap: .45rem; }
.field--wide { grid-column: 1 / -1; }
.field label { font-size: .8rem; font-weight: 700; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 3rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: .75rem .85rem;
  background: var(--color-surface);
  color: var(--color-ink);
}
.field textarea { min-height: 8rem; resize: vertical; }
.field-hint { color: var(--color-muted); font-size: .72rem; }
.form-status { min-height: 1.6rem; margin-top: 1rem; color: var(--color-exception); font-size: .78rem; }
.form-notice { border-left: 3px solid var(--color-partial); margin: 1.5rem 0; padding: .7rem 1rem; background: #fff8e9; color: #6c4700; font-size: .78rem; }

.closing-cta {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  align-items: end;
  gap: 3rem;
  border-top: 1px solid var(--color-line);
  padding-block: var(--section-space);
}
.closing-cta h2 { max-width: 52rem; }
.closing-copy { border-left: 1px solid var(--color-line); padding-left: 2rem; }
.closing-copy p { color: var(--color-muted); }

.site-footer { border-top: 1px solid var(--color-line); padding-block: 3rem; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2rem; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 1.2rem; }
.footer-links a { color: var(--color-muted); font-size: .75rem; text-decoration: none; }
.footer-note { margin-top: 2rem; color: var(--color-muted); font-family: var(--font-mono); font-size: .62rem; }

[data-reveal] { opacity: 0; transform: translateY(1.5rem); transition: opacity 650ms var(--ease), transform 650ms var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
.sequence-paused .panel-sweep,
.sequence-paused .stage-progress::after,
.sequence-paused .evidence-doc::after,
.sequence-paused .match-line::before,
.sequence-paused .status-value { animation-play-state: paused; }

@keyframes rise-in { to { opacity: 1; transform: translateY(0); } }
@keyframes panel-sweep { 0% { top: 6rem; opacity: 0; } 15%, 82% { opacity: .65; } 100% { top: calc(100% - .5rem); opacity: 0; } }
@keyframes progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes doc-scan { 0% { left: 5%; opacity: 0; } 20%, 80% { opacity: 1; } 100% { left: 95%; opacity: 0; } }
@keyframes match { 0%, 20% { opacity: 0; transform: scaleX(0); } 55%, 85% { opacity: 1; transform: scaleX(1); } 100% { opacity: 0; } }
@keyframes status-pop { 0%, 54% { opacity: .25; transform: translateX(-.5rem); } 68%, 92% { opacity: 1; transform: none; } 100% { opacity: .25; } }
@keyframes rail-travel { 0% { left: 0; opacity: 0; } 15%, 85% { opacity: 1; } 100% { left: calc(100% - 8px); opacity: 0; } }
@keyframes core-frame { 0%, 100% { opacity: .4; transform: scale(.96); } 50% { opacity: 1; transform: scale(1); } }
@keyframes orbit-spin { to { transform: rotate(360deg); } }
@keyframes workflow-progress { to { transform: scaleX(1); } }
@keyframes document-source-a {
  0%, 12% { opacity: .72; transform: translate(-7%, 5%) rotate(-9deg) scale(.97); }
  22%, 48% { opacity: 1; transform: translate(0, 0) rotate(-6deg) scale(1); }
  62%, 88% { opacity: .45; transform: translate(-9%, -5%) rotate(-10deg) scale(.97); }
  100% { opacity: .72; transform: translate(-7%, 5%) rotate(-9deg) scale(.97); }
}
@keyframes document-source-b {
  0%, 18% { opacity: .28; transform: translate(14%, 10%) rotate(9deg) scale(.94); }
  30%, 48% { opacity: 1; transform: translate(0, 0) rotate(5deg) scale(1); }
  62%, 88% { opacity: .45; transform: translate(9%, 5%) rotate(9deg) scale(.97); }
  100% { opacity: .28; transform: translate(14%, 10%) rotate(9deg) scale(.94); }
}
@keyframes document-matrix {
  0%, 35% { border-color: var(--color-brand); opacity: .35; transform: translateY(12%) rotate(-1deg) scale(.95); }
  50% { border-color: var(--color-brand); opacity: 1; transform: translateY(0) rotate(-1deg) scale(1); }
  62%, 84% { border-color: var(--color-signal); opacity: 1; transform: translateY(-3%) rotate(0) scale(1.04); }
  100% { border-color: var(--color-brand); opacity: .35; transform: translateY(12%) rotate(-1deg) scale(.95); }
}
@keyframes privacy-stop { 0% { left: 8%; opacity: 0; } 15% { opacity: 1; } 55%, 82% { left: 43%; opacity: 1; } 100% { left: 43%; opacity: 0; } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes summary-scan { 0%, 100% { width: 3.5rem; } 50% { width: 100%; } }

@media (max-width: 980px) {
  .hero, .page-hero, .assessment-layout { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .assessment-summary { position: static; }
  .page-hero { min-height: auto; }
  .page-hero h1 { max-width: 15ch; font-size: clamp(2.45rem, 6vw, 3.6rem); }
  .section-heading, .split, .closing-cta { grid-template-columns: 1fr; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .workflow-step:nth-child(2) { border-right: 0; }
  .workflow-step:nth-child(-n + 2) { border-bottom: 1px solid var(--color-line); }
  .signal-map { grid-template-columns: 1fr 3rem 1.1fr 3rem 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-links {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    border-bottom: 1px solid var(--color-line);
    padding: 1rem var(--page-pad) 1.5rem;
    background: var(--color-bg);
  }
  .nav-links.is-open { display: grid; }
  .nav-links a { min-height: 2.8rem; display: flex; align-items: center; }
  .hero { grid-template-columns: 1fr; padding-top: 4rem; }
  .hero::after { font-size: 8rem; }
  .panel-scene { padding-inline: 0; }
  .back-sheet, .float-chip { display: none; }
  .panel-workspace { grid-template-columns: 1fr; }
  .requirement-list { border-right: 0; border-bottom: 1px solid var(--color-panel-line); }
  .signal-map { grid-template-columns: 1fr; gap: .8rem; }
  .signal-rail { min-height: 2.5rem; transform: rotate(90deg); }
  .workflow-grid, .principle-grid, .form-grid { grid-template-columns: 1fr; }
  .workflow-step, .workflow-step:first-child { min-height: auto; border-right: 0; border-bottom: 1px solid var(--color-line); padding: 1.5rem 0; }
  .principle:nth-child(even) { border-left: 0; padding-left: 0; }
  .feature { grid-template-columns: 3rem 1fr; }
  .feature p { grid-column: 2; }
  .boundary-map { grid-template-columns: 1fr; }
  .boundary-arrow { transform: rotate(90deg); text-align: center; }
  .field--wide { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .closing-copy { border-left: 0; border-top: 1px solid var(--color-line); padding: 1.5rem 0 0; }
  .visual-stage { min-height: 24rem; }
  .page-hero h1 { max-width: 14ch; font-size: clamp(2.25rem, 9.5vw, 3rem); line-height: 1.02; }
  .boundary-layers { inset: 4.7rem 1.3rem 6.8rem; grid-template-columns: 1fr; gap: .55rem; }
  .boundary-layer { min-height: 4rem; padding: .7rem; }
  .boundary-layer::after { top: 100%; left: 50%; width: 1px; height: .55rem; }
  .boundary-layer.is-active { transform: translateX(.45rem); }
  .boundary-layer span { margin-bottom: .45rem; }
  .boundary-visual[data-boundary-step="0"] .boundary-pulse { top: 31%; left: 11%; }
  .boundary-visual[data-boundary-step="1"] .boundary-pulse { top: 50%; left: 11%; }
  .boundary-visual[data-boundary-step="2"] .boundary-pulse { top: 68%; left: 11%; }
  .boundary-visual[data-boundary-step="3"] .boundary-pulse { top: 83%; left: 50%; }
  .boundary-route { display: none; }
  .boundary-readout { bottom: 1.4rem; left: 1.3rem; }
  .boundary-exception { right: 1.3rem; bottom: 1.3rem; width: 52%; }
  .document-orbit .orbit-sheet { width: 76%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .document-orbit .orbit-sheet { animation: none !important; }
  .document-orbit .orbit-sheet:nth-of-type(1) { opacity: .55; transform: translate(-9%, -5%) rotate(-10deg) scale(.97); }
  .document-orbit .orbit-sheet:nth-of-type(2) { opacity: .55; transform: translate(9%, 5%) rotate(9deg) scale(.97); }
  .document-orbit .orbit-sheet:nth-of-type(3) { border-color: var(--color-signal); opacity: 1; transform: translateY(-3%) scale(1.04); }
}