:root {
  color-scheme: light;
  --canvas: #fafaf9;
  --surface: #ffffff;
  --surface-subtle: #f4f6f8;
  --surface-accent: #e3e8ee;
  --ink: #0f161d;
  --ink-soft: #3e5368;
  --muted: #5c7289;
  --muted-light: #5c7289;
  --line: #e3e8ee;
  --line-strong: #c5d0de;
  --accent: #1c2834;
  --accent-hover: #2a3b4c;
  --accent-soft: #e3e8ee;
  --success: #047857;
  --danger: #991b1b;
  --dark: #1c2834;
  --dark-surface: #2a3b4c;
  --dark-surface-raised: #0f161d;
  --dark-line: #3e5368;
  --dark-muted: #a1b2c4;
  --dark-copy: #e3e8ee;
  --accent-on-dark: #fbbf24;
  --accent-copy-on-dark: #c5d0de;
  --success-bright: #34d399;
  --revision-delete: #991b1b;
  --revision-delete-bg: #fef2f2;
  --revision-insert: #047857;
  --revision-insert-bg: #ecfdf5;
  --focus: #2563eb;
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1rem;
  --shadow-soft: 0 22px 48px -18px rgba(15, 22, 29, 0.24);
  --shadow-header: 0 8px 24px rgba(15, 22, 29, 0.06);
  --shell: 72rem;
  --reading: 66ch;
  --header-height: 4rem;
  font-synthesis: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 20rem;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--canvas);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

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

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

p,
h1,
h2,
h3,
ol,
ul {
  margin-top: 0;
}

h1,
h2,
h3 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.shell {
  width: min(calc(100% - 3rem), var(--shell));
  margin-inline: auto;
}

.section-pad {
  padding-block: clamp(5rem, 7vw, 7rem);
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--surface);
  background: var(--ink);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: rgba(250, 250, 249, 0.88);
  backdrop-filter: blur(12px);
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-header);
}

.header-inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  flex: none;
}

.brand-mark {
  display: inline-grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 0.5rem;
  color: var(--surface);
  background: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.18rem;
  line-height: 1;
}

.brand-name {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-subtitle {
  margin-top: 0.28rem;
  color: var(--muted-light);
  font-size: 0.5rem;
  font-weight: 500;
  letter-spacing: 0;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.2rem, 2.3vw, 2rem);
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 400;
}

.desktop-nav a,
.text-link {
  position: relative;
  transition: color 150ms ease;
}

.desktop-nav a:hover,
.text-link:hover {
  color: var(--ink);
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.4rem;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 160ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: none;
}

.sign-in-link {
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 600;
}

.button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.68rem 1.05rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  box-shadow: 0 6px 18px rgba(15, 22, 29, 0.12);
}

.button svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  color: var(--surface);
  background: var(--accent);
}

.button-primary:hover {
  background: var(--accent-hover);
}

.button-secondary {
  border-color: var(--line-strong);
  color: var(--ink);
  background: var(--surface);
}

.button-secondary:hover {
  border-color: var(--ink-soft);
  background: var(--surface-subtle);
}

.button-inverse {
  color: var(--ink);
  background: var(--surface);
}

.button-inverse:hover {
  background: var(--surface-accent);
}

.button-large {
  min-height: 3.25rem;
  padding: 0.9rem 1.35rem;
  font-size: 0.95rem;
}

.menu-button {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}

.menu-button span {
  position: absolute;
  width: 1rem;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 160ms ease;
}

.menu-button span:first-child {
  transform: translateY(-0.24rem);
}

.menu-button span:last-child {
  transform: translateY(0.24rem);
}

.menu-button[aria-expanded="true"] span:first-child {
  transform: rotate(45deg);
}

.menu-button[aria-expanded="true"] span:last-child {
  transform: rotate(-45deg);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav {
  display: grid;
  max-height: calc(100vh - var(--header-height));
  gap: 0.15rem;
  overflow-y: auto;
  padding: 0.6rem 1.5rem 1.5rem;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.mobile-nav > a:not(.button) {
  min-height: 2.9rem;
  padding: 0.72rem 0.35rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 600;
}

.mobile-nav .button {
  margin-top: 0.8rem;
}

.hero {
  position: relative;
  padding-top: clamp(4rem, 6.5vw, 6rem);
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 5%, rgba(227, 232, 238, 0.82), transparent 31rem),
    linear-gradient(to right, rgba(28, 40, 52, 0.04) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(to bottom, rgba(28, 40, 52, 0.04) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--canvas);
}

.hero::before {
  content: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-copy {
  padding-bottom: 0;
}

.eyebrow,
.section-kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.15rem;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.35;
  text-transform: none;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  padding: 0.32rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.75rem;
}

.eyebrow span {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: none;
}

.hero h1 {
  max-width: 18ch;
  font-size: clamp(3rem, 4.4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.hero h1 em {
  color: inherit;
  font-style: normal;
}

.hero-lede {
  max-width: 34rem;
  margin: 1.5rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero-boundary {
  max-width: 34rem;
  margin: 1.35rem 0 0;
  color: var(--muted-light);
  font-size: 0.78rem;
  line-height: 1.6;
}

.workspace-frame {
  position: relative;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.workspace-frame::before {
  content: none;
}

.workspace-topbar {
  display: flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 600;
}

.workspace-brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 600;
}

.workspace-brand span {
  display: grid;
  width: 1.45rem;
  height: 1.45rem;
  place-items: center;
  border-radius: 0.4rem;
  color: var(--surface);
  background: var(--ink);
  font-family: Georgia, serif;
}

.workspace-status,
.redline-status {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.workspace-status i,
.redline-status i {
  width: 0.43rem;
  height: 0.43rem;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0.22rem rgba(12, 122, 90, 0.13);
}

.workspace-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 11.5rem;
  min-height: 25rem;
}

.document-pane {
  min-width: 0;
  padding: 0.85rem;
  background: var(--surface-subtle);
}

.document-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 600;
}

.document-sheet {
  min-height: 21.5rem;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 0.5rem 1.5rem rgba(16, 26, 45, 0.05);
}

.document-title {
  margin-bottom: 1.8rem;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: center;
}

.document-intro,
.document-clause p {
  margin: 0;
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.68rem;
  line-height: 1.75;
}

.document-intro {
  margin-bottom: 1.35rem;
}

.document-clause {
  position: relative;
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 0.5rem;
  margin: 0 -0.7rem;
  padding: 0.7rem;
  border-left: 2px solid transparent;
}

.document-clause + .document-clause {
  margin-top: 0.5rem;
}

.document-clause.active-clause {
  border-left-color: var(--accent);
  background: var(--surface-accent);
}

.clause-number {
  color: var(--accent);
  font-size: 0.62rem;
  font-weight: 600;
}

.workflow-rail {
  min-width: 0;
  padding: 0.9rem;
  border-left: 1px solid var(--line);
  background: var(--surface);
}

.rail-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 600;
}

.rail-heading strong {
  color: var(--ink);
  font-size: 0.64rem;
}

.rail-progress {
  height: 3px;
  margin: 0.7rem 0 1.05rem;
  border-radius: 2px;
  background: var(--surface-subtle);
  overflow: hidden;
}

.rail-progress span {
  display: block;
  width: 50%;
  height: 100%;
  background: var(--accent);
}

.stage-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.stage-list li {
  display: grid;
  grid-template-columns: 1.55rem 1fr;
  gap: 0.55rem;
  align-items: center;
  color: var(--muted-light);
}

.stage-list li > span {
  display: grid;
  width: 1.45rem;
  height: 1.45rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-size: 0.56rem;
  font-weight: 600;
}

.stage-list strong,
.stage-list small {
  display: block;
  letter-spacing: -0.01em;
}

.stage-list strong {
  font-size: 0.62rem;
  line-height: 1.25;
}

.stage-list small {
  margin-top: 0.12rem;
  font-size: 0.52rem;
  line-height: 1.25;
}

.stage-list .complete {
  color: var(--ink-soft);
}

.stage-list .complete > span {
  border-color: var(--ink-soft);
  color: var(--surface);
  background: var(--ink-soft);
}

.stage-list .current {
  color: var(--ink);
}

.stage-list .current > span {
  border-color: var(--accent);
  color: var(--surface);
  background: var(--accent);
  animation: current-stage 2.2s ease-in-out infinite;
}

@keyframes current-stage {
  50% { box-shadow: 0 0 0 0.32rem var(--accent-soft); }
}

.fact-strip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 100%;
  max-width: none;
  margin-top: clamp(4rem, 6vw, 5rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
}

.fact-strip > div {
  display: grid;
  min-height: 6.5rem;
  align-content: center;
  gap: 0.2rem;
  padding: 1.5rem clamp(1rem, 2.5vw, 2.25rem);
}

.fact-strip > div + div {
  border-left: 1px solid var(--line);
}

.fact-strip strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  letter-spacing: -0.025em;
}

.fact-strip span {
  color: var(--muted);
  font-size: 0.8rem;
}

.workflow-section {
  background: var(--surface);
}

.section-heading h2 {
  max-width: 14ch;
  font-size: clamp(2.25rem, 4vw, 3.35rem);
}

.heading-split {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
}

.heading-split > p {
  max-width: 31rem;
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.75;
}

.review-ledger {
  margin: clamp(4rem, 7vw, 7rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.review-ledger > li {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 0.88fr) minmax(20rem, 1.12fr);
  gap: clamp(1.5rem, 4vw, 4.5rem);
  min-height: 15rem;
  border-bottom: 1px solid var(--line);
}

.ledger-marker {
  position: relative;
  padding-top: 2.5rem;
  border-right: 1px solid var(--line);
}

.ledger-marker::before {
  position: absolute;
  top: 2.72rem;
  right: -0.31rem;
  width: 0.55rem;
  height: 0.55rem;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--surface);
  content: "";
}

.ledger-marker span {
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
}

.ledger-copy {
  align-self: center;
  padding-block: 2.5rem;
}

.ledger-copy h3 {
  max-width: 18ch;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.ledger-copy p {
  max-width: 34rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.ledger-art {
  align-self: center;
  min-width: 0;
  margin-block: 2rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--canvas);
}

.input-line {
  display: flex;
  min-height: 3.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.72rem;
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 0.76rem;
}

.input-line b {
  display: grid;
  width: 1.8rem;
  height: 1.8rem;
  flex: none;
  place-items: center;
  border-radius: 0.5rem;
  color: var(--surface);
  background: var(--accent);
}

.file-chip {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 0.65rem;
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 600;
}

.file-chip i {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 0.45rem;
  color: var(--accent);
  background: var(--accent-soft);
  font-style: normal;
  font-weight: 600;
}

.file-chip small {
  display: block;
  color: var(--muted-light);
  font-size: 0.58rem;
  font-weight: 400;
}

.path-art {
  display: flex;
  align-items: center;
  justify-content: center;
}

.path-art > i {
  height: 1px;
  flex: 1;
  background: var(--line-strong);
}

.path-node {
  min-width: 5rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.5rem;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.66rem;
  font-weight: 600;
  text-align: center;
}

.path-node.done {
  border-color: var(--ink-soft);
  color: var(--surface);
  background: var(--ink-soft);
}

.path-node.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--surface-accent);
}

.decision-art {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.decision-art span {
  display: flex;
  min-height: 3.2rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.7rem;
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 0.7rem;
  font-weight: 600;
}

.decision-art i {
  display: grid;
  width: 1.2rem;
  height: 1.2rem;
  place-items: center;
  border-radius: 50%;
  color: var(--surface);
  background: var(--accent);
  font-style: normal;
}

.capabilities-section {
  background: var(--canvas);
}

.compact-heading h2 {
  max-width: 18ch;
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(21rem, 0.78fr);
  gap: 1rem;
  margin-top: clamp(3.5rem, 7vw, 6rem);
}

.capability-feature,
.capability-stack article {
  border: 1px solid var(--line);
  background: var(--surface);
}

.capability-feature {
  display: grid;
  min-height: 34rem;
  align-content: space-between;
  padding: clamp(2rem, 4vw, 3.5rem);
  border-radius: var(--radius-lg);
}

.capability-index {
  margin-bottom: 1.5rem;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.capability-feature h3 {
  max-width: 14ch;
  font-size: clamp(2rem, 3.2vw, 2.8rem);
}

.capability-feature p {
  max-width: 35rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
}

.check-list {
  display: grid;
  gap: 0.55rem;
  margin: 1.7rem 0 0;
  padding: 0;
  color: var(--ink-soft);
  font-size: 0.83rem;
  list-style: none;
}

.check-list li::before {
  display: inline-block;
  width: 1.15rem;
  margin-right: 0.45rem;
  color: var(--accent);
  content: "✓";
  font-weight: 600;
}

.capability-diagram {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.capability-diagram span {
  font-size: 0.62rem;
  font-weight: 600;
}

.capability-diagram i {
  height: 1px;
  margin-inline: 0.55rem;
  background: var(--line-strong);
}

.capability-stack {
  display: grid;
  gap: 1rem;
}

.capability-stack article {
  display: flex;
  min-height: 12.65rem;
  flex-direction: column;
  padding: clamp(1.5rem, 3vw, 2rem);
  border-radius: var(--radius-md);
}

.capability-stack h3 {
  max-width: 22ch;
  font-size: clamp(1.28rem, 2vw, 1.65rem);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.capability-stack p {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.83rem;
}

.capability-stack a {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 1rem;
  color: var(--accent);
  font-size: 0.77rem;
  font-weight: 600;
}

.review-section {
  color: var(--surface);
  background: var(--dark);
}

.review-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(34rem, 1.22fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.section-kicker-light {
  color: var(--accent-on-dark);
}

.review-copy h2 {
  max-width: 14ch;
  font-size: clamp(2.25rem, 4vw, 3.35rem);
}

.review-copy > p:not(.section-kicker) {
  max-width: 31rem;
  margin: 1.6rem 0 0;
  color: var(--dark-muted);
}

.review-points {
  display: grid;
  gap: 1rem;
  margin: 2.2rem 0 0;
  padding: 0;
  color: var(--dark-copy);
  font-size: 0.84rem;
  list-style: none;
}

.review-points li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
}

.review-points span {
  color: var(--accent-on-dark);
  font-size: 0.65rem;
  font-weight: 600;
}

.redline-window {
  min-width: 0;
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-lg);
  background: var(--dark-surface);
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.redline-toolbar {
  display: flex;
  min-height: 3.6rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1.25rem;
  border-bottom: 1px solid var(--dark-line);
  color: var(--dark-muted);
  font-size: 0.67rem;
  font-weight: 600;
}

.redline-status i {
  background: var(--success-bright);
  box-shadow: 0 0 0 0.22rem rgba(50, 197, 148, 0.13);
}

.redline-document {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 13.75rem;
  min-height: 30rem;
  padding: 1.25rem;
  gap: 0.9rem;
  background: var(--dark-surface-raised);
}

.redline-page {
  padding: clamp(2rem, 4vw, 3.25rem);
  color: var(--ink-soft);
  background: var(--surface);
}

.redline-label {
  margin-bottom: 1.6rem;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.redline-page p:not(.redline-label) {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.76rem;
  line-height: 2;
}

.redline-page del,
.redline-page ins {
  padding: 0.08rem 0.15rem;
  text-decoration-thickness: 1px;
}

.redline-page del {
  color: var(--revision-delete);
  background: var(--revision-delete-bg);
}

.redline-page ins {
  color: var(--revision-insert);
  background: var(--revision-insert-bg);
  text-decoration: none;
  border-bottom: 1px solid var(--success);
}

.comment-card {
  align-self: center;
  padding: 1rem;
  border: 1px solid #fef3c7;
  border-left: 3px solid var(--accent-on-dark);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-soft);
  background: #fffbeb;
}

.comment-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
}

.comment-meta strong {
  display: grid;
  width: 1.6rem;
  height: 1.6rem;
  place-items: center;
  border-radius: 50%;
  color: var(--surface);
  background: var(--dark);
  font-size: 0.52rem;
}

.comment-card p {
  margin: 1rem 0 0;
  font-size: 0.68rem;
  line-height: 1.65;
}

.comment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.comment-actions span {
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  font-size: 0.52rem;
  font-weight: 600;
}

.comment-actions span:first-child {
  border-color: var(--accent);
  color: var(--surface);
  background: var(--accent);
}

.trust-section {
  background: var(--surface);
}

.trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(27rem, 0.8fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.trust-statement h2 {
  max-width: 13ch;
  font-size: clamp(2.25rem, 4vw, 3.35rem);
}

.trust-list {
  border-top: 1px solid var(--line);
}

.trust-list article {
  display: grid;
  grid-template-columns: 2.9rem 1fr;
  gap: 1.2rem;
  padding-block: 1.6rem;
  border-bottom: 1px solid var(--line);
}

.trust-icon {
  display: grid;
  width: 2.7rem;
  height: 2.7rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  color: var(--ink-soft);
  background: var(--surface-accent);
}

.trust-icon svg {
  width: 1.3rem;
  height: 1.3rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trust-list h3 {
  font-size: 1.05rem;
  letter-spacing: -0.025em;
  line-height: 1.3;
}

.trust-list p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.boundary-panel {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: 2rem;
  margin-top: clamp(4rem, 7vw, 6.5rem);
  padding: 1.5rem 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.boundary-panel strong {
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.boundary-panel p {
  max-width: 56rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.faq-section {
  background: var(--canvas);
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(18rem, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.faq-heading {
  align-self: start;
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.faq-heading h2 {
  max-width: 11ch;
  font-size: clamp(2.25rem, 4vw, 3.35rem);
}

.faq-heading > p:not(.section-kicker) {
  max-width: 26rem;
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.text-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.4rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
}

.faq-list {
  border-top: 1px solid var(--line-strong);
}

.faq-list details {
  border-bottom: 1px solid var(--line-strong);
}

.faq-list summary {
  display: flex;
  min-height: 5.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1.25rem;
  cursor: pointer;
  font-size: clamp(1rem, 1.7vw, 1.22rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  position: relative;
  width: 1.55rem;
  height: 1.55rem;
  flex: none;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.faq-list summary span::before,
.faq-list summary span::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.65rem;
  height: 1px;
  background: var(--ink);
  content: "";
  transform: translate(-50%, -50%);
  transition: transform 160ms ease;
}

.faq-list summary span::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-list details[open] summary span::after {
  transform: translate(-50%, -50%) rotate(0);
}

.faq-list details > p {
  max-width: var(--reading);
  margin: -0.3rem 0 0;
  padding: 0 3.5rem 1.8rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.final-cta {
  color: var(--surface);
  background: var(--accent);
}

.final-cta-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: end;
  padding-block: clamp(4.5rem, 7vw, 7rem);
}

.final-cta h2 {
  max-width: 14ch;
  font-size: clamp(2.35rem, 4.2vw, 3.6rem);
}

.final-cta-action {
  justify-self: end;
}

.final-cta-action p {
  margin: 0.85rem 0 0;
  color: var(--accent-copy-on-dark);
  font-size: 0.72rem;
  text-align: right;
}

.site-footer {
  padding-top: 4.5rem;
  color: var(--dark-muted);
  background: var(--dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 12rem 12rem;
  gap: 3rem;
}

.site-footer .brand-name {
  color: var(--surface);
}

.site-footer .brand-mark {
  color: var(--ink);
  background: var(--surface);
}

.footer-brand-block > p {
  max-width: 26rem;
  margin: 1rem 0 0;
  font-size: 0.8rem;
}

.site-footer nav {
  display: grid;
  align-content: start;
  gap: 0.65rem;
  font-size: 0.78rem;
}

.site-footer nav strong {
  margin-bottom: 0.35rem;
  color: var(--surface);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer nav a:hover {
  color: var(--surface);
}

.footer-bottom {
  display: flex;
  min-height: 5.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 3.5rem;
  border-top: 1px solid var(--dark-line);
  font-size: 0.68rem;
}

.footer-bottom p {
  margin: 0;
  text-align: right;
}

.error-page {
  display: grid;
  width: min(calc(100% - 3rem), 58rem);
  min-height: 100vh;
  margin-inline: auto;
  align-content: center;
  gap: clamp(3rem, 8vw, 7rem);
  padding-block: 3rem;
}

.error-page > div {
  padding-top: 2.5rem;
  border-top: 3px solid var(--accent);
}

.error-page h1 {
  max-width: 13ch;
  font-size: clamp(3rem, 8vw, 6rem);
}

.error-page > div > p:not(.section-kicker) {
  max-width: 38rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
}

@media (max-width: 70rem) {
  .hero-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.5rem;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 4.8vw, 3.4rem);
  }

  .review-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(31rem, 1.28fr);
    gap: 3rem;
  }
}

@media (max-width: 62rem) {
  .desktop-nav {
    gap: 1rem;
    font-size: 0.78rem;
  }

  .sign-in-link {
    display: none;
  }

  .hero-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 46rem;
    padding-bottom: 0;
  }

  .hero h1 {
    max-width: 18ch;
    font-size: clamp(3.2rem, 7vw, 4rem);
  }

  .workspace-frame {
    width: min(100%, 48rem);
    justify-self: end;
  }

  .review-ledger > li {
    grid-template-columns: 3.5rem minmax(0, 0.9fr) minmax(18rem, 1.1fr);
    gap: 1.5rem;
  }

  .capability-layout {
    grid-template-columns: 1fr;
  }

  .capability-feature {
    min-height: 34rem;
  }

  .capability-stack {
    grid-template-columns: repeat(3, 1fr);
  }

  .capability-stack article {
    min-height: 17rem;
  }

  .review-copy {
    max-width: 46rem;
  }

  .review-copy h2 {
    max-width: 15ch;
  }
}

@media (max-width: 55rem) {
  :root {
    --header-height: 4rem;
  }

  .desktop-nav,
  .header-cta,
  .sign-in-link {
    display: none;
  }

  .menu-button {
    position: relative;
    display: inline-grid;
    place-items: center;
  }

  .heading-split,
  .trust-grid,
  .faq-grid,
  .final-cta-inner {
    grid-template-columns: 1fr;
  }

  .heading-split {
    gap: 1.5rem;
  }

  .heading-split > p {
    margin: 0;
  }

  .review-ledger > li {
    grid-template-columns: 3rem 1fr;
    gap: 1.25rem;
  }

  .ledger-art {
    grid-column: 2;
    margin: -1rem 0 2rem;
  }

  .ledger-marker {
    grid-row: span 2;
  }

  .capability-stack {
    grid-template-columns: 1fr;
  }

  .capability-stack article {
    min-height: auto;
  }

  .trust-grid {
    gap: 3rem;
  }

  .faq-grid {
    gap: 3rem;
  }

  .faq-heading {
    position: static;
  }

  .final-cta-inner {
    align-items: start;
  }

  .final-cta-action {
    justify-self: start;
  }

  .final-cta-action p {
    text-align: left;
  }
}

@media (max-width: 43rem) {
  .shell {
    width: min(calc(100% - 2rem), var(--shell));
  }

  .section-pad {
    padding-block: 4.75rem;
  }

  .hero {
    padding-top: 3.5rem;
    background:
      linear-gradient(to right, rgba(28, 40, 52, 0.04) 1px, transparent 1px) 0 0 / 28px 28px,
      linear-gradient(to bottom, rgba(28, 40, 52, 0.04) 1px, transparent 1px) 0 0 / 28px 28px,
      var(--canvas);
  }

  .hero h1 {
    font-size: clamp(2.55rem, 11vw, 2.85rem);
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .workspace-body {
    grid-template-columns: 1fr;
  }

  .workspace-topbar {
    align-items: flex-start;
  }

  .workspace-status {
    max-width: 7rem;
    justify-content: flex-end;
    text-align: right;
  }

  .workflow-rail {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .stage-list {
    grid-template-columns: 1fr 1fr;
  }

  .document-sheet {
    min-height: 24rem;
  }

  .fact-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .fact-strip > div {
    min-height: 5.8rem;
  }

  .fact-strip > div + div {
    border-left: 1px solid var(--line);
  }

  .fact-strip > div:nth-child(odd) {
    border-left: 0;
  }

  .fact-strip > div:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .section-heading h2,
  .review-copy h2,
  .trust-statement h2,
  .faq-heading h2,
  .final-cta h2 {
    font-size: clamp(2.2rem, 10vw, 2.9rem);
  }

  .review-ledger > li {
    grid-template-columns: 2.25rem 1fr;
    gap: 0.9rem;
  }

  .ledger-marker {
    padding-top: 2.25rem;
  }

  .ledger-marker::before {
    top: 2.48rem;
  }

  .ledger-copy {
    padding-block: 2.2rem;
  }

  .ledger-art {
    padding: 1rem;
  }

  .path-art {
    align-items: stretch;
    flex-direction: column;
    gap: 0.45rem;
  }

  .path-art > i {
    width: 1px;
    min-height: 0.5rem;
    margin-left: 2.5rem;
  }

  .path-node {
    width: 100%;
  }

  .decision-art {
    grid-template-columns: 1fr;
  }

  .capability-feature {
    min-height: auto;
    padding: 1.65rem;
  }

  .capability-feature h3 {
    font-size: 2rem;
  }

  .capability-diagram {
    grid-template-columns: 1fr;
    gap: 0.45rem;
    align-items: stretch;
  }

  .capability-diagram span {
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--line);
    border-radius: 0.45rem;
    text-align: center;
  }

  .capability-diagram i {
    width: 1px;
    height: 0.55rem;
    margin: 0 auto;
  }

  .redline-toolbar {
    align-items: flex-start;
  }

  .redline-status {
    max-width: 7rem;
    justify-content: flex-end;
    text-align: right;
  }

  .redline-document {
    grid-template-columns: 1fr;
  }

  .comment-card {
    margin-top: -3rem;
    margin-inline: 0.75rem;
  }

  .boundary-panel {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .faq-list summary {
    gap: 1rem;
  }

  .faq-list details > p {
    padding-right: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand-block {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.45rem;
    padding-block: 1.2rem;
  }

  .footer-bottom p {
    text-align: left;
  }
}

@media (max-width: 24rem) {
  .stage-list {
    grid-template-columns: 1fr;
  }

  .workspace-frame::before {
    right: 2rem;
    left: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand-block {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --line: #9aa9be;
    --line-strong: #6e7f97;
    --muted: #3f4c60;
  }

  .button,
  .workspace-frame,
  .redline-window {
    border-width: 2px;
  }
}