:root {
  --ink: #101714;
  --ink-soft: #24302b;
  --paper: #f5f2e9;
  --paper-deep: #ebe6d8;
  --white: #fffef8;
  --mint: #ccefdc;
  --mint-strong: #72dda3;
  --signal: #e9f56a;
  --cyan: #80e6e0;
  --rust: #f06f46;
  --muted: #66716b;
  --line: rgba(16, 23, 20, 0.16);
  --line-dark: rgba(255, 255, 255, 0.16);
  --shadow: 0 24px 70px rgba(16, 23, 20, 0.14);
  --radius-small: 10px;
  --radius: 18px;
  --radius-large: 28px;
  --shell: min(1180px, calc(100vw - 40px));
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.025'/%3E%3C/svg%3E");
  content: "";
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

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

button,
summary {
  font: inherit;
}

code,
pre {
  font-family: var(--mono);
}

code {
  font-size: 0.9em;
}

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--signal);
  border-radius: 8px;
  font-weight: 800;
  transform: translateY(-180%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(245, 242, 233, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 850;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-mark {
  width: 32px;
  height: 32px;
  overflow: visible;
  fill: var(--ink);
}

.brand-mark path:last-child {
  fill: none;
  stroke: var(--signal);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.brand-tag {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.desktop-nav a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.desktop-nav a:hover {
  color: var(--rust);
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-small {
  min-height: 40px;
  padding-inline: 17px;
  font-size: 13px;
}

.button-primary {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
  box-shadow: 0 8px 24px rgba(233, 245, 106, 0.22);
}

.button-primary:hover {
  box-shadow: 0 12px 30px rgba(233, 245, 106, 0.3);
}

.button-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.3);
}

.button-ghost:hover {
  background: var(--white);
}

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

.button-dark-ghost {
  color: var(--white);
  border-color: var(--line-dark);
  background: rgba(255, 255, 255, 0.05);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 0;
  background:
    radial-gradient(circle at 78% 16%, rgba(114, 221, 163, 0.3), transparent 25%),
    radial-gradient(circle at 20% 70%, rgba(233, 245, 106, 0.22), transparent 28%),
    var(--paper);
}

.hero::after {
  position: absolute;
  top: 0;
  right: max(0px, calc((100vw - 1180px) / 2));
  width: 1px;
  height: 100%;
  background: var(--line);
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.05fr) minmax(440px, 0.95fr);
  gap: 72px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: #436151;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow-light {
  color: var(--mint-strong);
}

.status-dot {
  position: relative;
  width: 8px;
  height: 8px;
  background: #25a660;
  border-radius: 50%;
}

.status-dot::after {
  position: absolute;
  inset: -4px;
  border: 1px solid rgba(37, 166, 96, 0.5);
  border-radius: 50%;
  content: "";
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 780px;
  margin-bottom: 26px;
  font-size: clamp(50px, 5.6vw, 82px);
  font-weight: 840;
}

h1 em {
  color: #3c6650;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(38px, 4.5vw, 62px);
  font-weight: 820;
}

h3 {
  margin-bottom: 14px;
  font-size: 24px;
  font-weight: 780;
}

.hero-lede {
  max-width: 660px;
  margin: 0 0 34px;
  color: #46544d;
  font-size: 19px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 30px 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  list-style: none;
}

.hero-proof span {
  color: #24844e;
}

.hero-console {
  position: relative;
  margin-bottom: 42px;
  color: #e9eee9;
  background: #101714;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
}

.console-bar {
  display: grid;
  min-height: 52px;
  align-items: center;
  padding: 0 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #98a59e;
  font-family: var(--mono);
  font-size: 11px;
  grid-template-columns: 1fr auto 1fr;
}

.console-dots {
  display: flex;
  gap: 6px;
}

.console-dots i {
  width: 8px;
  height: 8px;
  background: #59635e;
  border-radius: 50%;
}

.console-dots i:nth-child(1) { background: var(--rust); }
.console-dots i:nth-child(2) { background: var(--signal); }
.console-dots i:nth-child(3) { background: var(--mint-strong); }

.console-safe {
  justify-self: end;
  padding: 3px 7px;
  color: var(--signal);
  border: 1px solid rgba(233, 245, 106, 0.35);
  border-radius: 4px;
  font-size: 9px;
  letter-spacing: 0.08em;
}

.console-body {
  min-height: 430px;
  padding: 28px 30px 36px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
}

.console-body p {
  margin: 0;
}

.prompt,
.ok {
  color: var(--signal);
}

.console-output {
  display: grid;
  margin: 24px 0 26px 20px;
  gap: 5px;
}

.console-output p {
  display: grid;
  grid-template-columns: 100px 1fr;
}

.muted,
.console-note {
  color: #849189;
}

.console-rule {
  height: 1px;
  margin: 24px 0;
  background: rgba(255, 255, 255, 0.1);
}

.console-note {
  margin-top: 13px !important;
  font-size: 11px;
}

.permit-card {
  position: absolute;
  right: -24px;
  bottom: -38px;
  display: flex;
  width: min(330px, 76%);
  min-height: 116px;
  flex-direction: column;
  justify-content: center;
  padding: 18px 22px;
  color: var(--ink);
  background: var(--signal);
  border: 2px solid var(--ink);
  border-radius: 12px;
  box-shadow: 8px 8px 0 var(--ink);
  font-family: var(--mono);
  transform: rotate(-3deg);
}

.permit-card span,
.permit-card small {
  font-size: 10px;
}

.permit-card strong {
  margin: 5px 0;
  font-size: 14px;
}

.invariant-strip {
  position: relative;
  z-index: 2;
  display: grid;
  margin-top: 86px;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: rgba(255, 254, 248, 0.76);
  grid-template-columns: repeat(3, 1fr);
}

.invariant-strip p {
  margin: 0;
  padding: 20px 24px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  text-align: center;
}

.invariant-strip p + p {
  border-left: 1px solid var(--line);
}

.invariant-strip strong {
  color: var(--ink);
}

.demo-section {
  padding: 112px 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 254, 248, 0.55), transparent 28%),
    #efc1a7;
  border-bottom: 1px solid var(--line);
}

.demo-grid {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(300px, 0.76fr) minmax(560px, 1.24fr);
  gap: 76px;
}

.demo-copy h2 {
  max-width: 540px;
}

.demo-copy > p:not(.eyebrow) {
  max-width: 560px;
  color: #594c44;
  font-size: 18px;
}

.demo-command {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
  padding: 14px 16px;
  color: var(--white);
  background: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-small);
}

.demo-actions {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.demo-run:disabled {
  cursor: wait;
  opacity: 0.76;
}

.demo-guarantees {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.demo-guarantees li {
  padding: 5px 10px;
  background: rgba(255, 254, 248, 0.35);
  border: 1px solid rgba(16, 23, 20, 0.22);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.demo-stage {
  position: relative;
  overflow: hidden;
  color: #dde8e1;
  background: #0b120f;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-large);
  box-shadow: 14px 16px 0 rgba(16, 23, 20, 0.14);
}

.demo-stage-bar {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--mono);
  font-size: 11px;
}

.demo-stage-bar::before {
  width: 42px;
  height: 10px;
  background:
    radial-gradient(circle at 5px 5px, var(--rust) 0 4px, transparent 4.5px),
    radial-gradient(circle at 21px 5px, var(--signal) 0 4px, transparent 4.5px),
    radial-gradient(circle at 37px 5px, var(--mint-strong) 0 4px, transparent 4.5px);
  content: "";
}

.demo-stage-bar > span {
  margin-left: auto;
  color: #7e9488;
}

.demo-stage-bar strong {
  margin-left: 18px;
  padding: 3px 8px;
  color: var(--signal);
  border: 1px solid rgba(233, 245, 106, 0.35);
  border-radius: 5px;
  font-size: 9px;
  letter-spacing: 0.08em;
}

.demo-lines {
  margin: 0;
  padding: 20px 24px;
  list-style: none;
}

.demo-lines li {
  display: grid;
  min-height: 58px;
  align-items: center;
  padding: 0 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--mono);
  grid-template-columns: 46px 100px minmax(0, 1fr) auto;
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease;
}

.demo-lines li:last-child {
  border-bottom: 0;
}

.demo-lines li > span {
  color: #607268;
}

.demo-lines li > strong {
  color: var(--white);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.demo-lines li > small {
  overflow-wrap: anywhere;
  color: #84988d;
  font-size: 10px;
}

.demo-lines li > b {
  color: var(--mint-strong);
  font-size: 9px;
}

.demo-lines .demo-denied > b {
  color: #ff8f6d;
}

.demo-lines .demo-pending > b {
  color: var(--signal);
}

.js .demo-lines li {
  opacity: 0.4;
  transform: translateX(-5px);
}

.js .demo-lines li.is-active {
  background: rgba(255, 255, 255, 0.035);
  opacity: 1;
  transform: translateX(0);
}

.demo-stage-footer {
  display: grid;
  padding: 18px 34px;
  background: #070c0a;
  border-top: 1px solid var(--line-dark);
  font-family: var(--mono);
  font-size: 10px;
  grid-template-columns: 1fr auto 1fr auto;
  gap: 12px;
}

.demo-stage-footer span {
  color: #61756a;
}

.demo-stage-footer strong {
  color: var(--signal);
}

.demo-live {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section {
  padding: 118px 0;
}

.section-paper {
  background: var(--paper);
}

.section-dark {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.section-dark::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}

.section-dark > .shell {
  position: relative;
}

.section-mint {
  background: var(--mint);
}

.section-grid {
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    var(--paper-deep);
  background-size: 42px 42px;
}

.section-heading {
  margin-bottom: 64px;
}

.split-heading {
  display: grid;
  align-items: end;
  grid-template-columns: 1fr minmax(330px, 0.65fr);
  gap: 80px;
}

.split-heading h2,
.centered-heading h2 {
  margin-bottom: 0;
}

.split-heading > p,
.centered-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.centered-heading {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.centered-heading .eyebrow {
  justify-content: center;
}

.centered-heading > p:last-child {
  margin-top: 22px;
}

.section-dark .centered-heading > p:last-child {
  color: #9faea6;
}

.comparison-grid,
.role-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.comparison-card,
.role-card {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
}

.comparison-before {
  background: #e9e3d7;
}

.comparison-after {
  background: var(--white);
  box-shadow: 0 20px 50px rgba(16, 23, 20, 0.08);
}

.comparison-card ul,
.check-list {
  display: grid;
  margin: 28px 0 0;
  padding: 0;
  gap: 14px;
  list-style: none;
}

.comparison-card li,
.check-list li {
  position: relative;
  padding-left: 28px;
  color: #4b5751;
}

.comparison-card li::before,
.check-list li::before {
  position: absolute;
  top: 2px;
  left: 0;
  font-family: var(--mono);
  font-weight: 900;
}

.comparison-before li::before {
  color: #a9533a;
  content: "×";
}

.comparison-after li::before,
.check-list li::before {
  color: #23824c;
  content: "✓";
}

.card-label {
  margin: 0 0 14px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.protocol-flow {
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  list-style: none;
  grid-template-columns: repeat(7, 1fr);
}

.protocol-flow li {
  position: relative;
  min-height: 215px;
  padding: 24px 18px;
  border-bottom: 1px solid var(--line-dark);
}

.protocol-flow li + li {
  border-left: 1px solid var(--line-dark);
}

.protocol-flow li:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -9px;
  z-index: 2;
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  color: var(--ink);
  background: var(--signal);
  border-radius: 50%;
  content: "›";
  font-size: 14px;
  font-weight: 900;
}

.step-number {
  display: block;
  margin-bottom: 48px;
  color: var(--mint-strong);
  font-family: var(--mono);
  font-size: 11px;
}

.protocol-flow strong,
.protocol-flow small {
  display: block;
}

.protocol-flow strong {
  margin-bottom: 10px;
  font-size: 15px;
}

.protocol-flow small {
  color: #94a39b;
  font-size: 12px;
  line-height: 1.5;
}

.protocol-flow code {
  color: var(--signal);
}

.evidence-panel {
  display: grid;
  align-items: center;
  margin-top: 84px;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-large);
  background: rgba(255, 255, 255, 0.04);
  grid-template-columns: 0.8fr 1.2fr;
}

.evidence-copy {
  padding: 50px;
}

.evidence-copy .card-label {
  color: var(--mint-strong);
}

.evidence-copy p:not(.card-label) {
  color: #a7b4ad;
}

.text-link {
  display: inline-flex;
  gap: 7px;
  margin-top: 12px;
  color: var(--signal);
  font-weight: 800;
  text-decoration: none;
}

.demo-actions .text-link {
  margin-top: 0;
  color: var(--ink);
}

.evidence-code {
  min-height: 370px;
  margin: 0;
  padding: 48px;
  overflow: auto;
  color: var(--white);
  background: #070c0a;
  border-left: 1px solid var(--line-dark);
  font-size: 12px;
  line-height: 2;
}

.code-dim {
  display: inline-block;
  width: 100px;
  color: #6f7d75;
}

.code-ok {
  color: var(--signal);
}

.quickstart-grid {
  display: grid;
  align-items: start;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 90px;
}

.quickstart-copy {
  position: sticky;
  top: 120px;
}

.quickstart-copy > p:not(.eyebrow) {
  color: #426050;
  font-size: 18px;
}

.requirements {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
}

.requirements span {
  padding: 6px 10px;
  border: 1px solid rgba(16, 23, 20, 0.2);
  border-radius: 99px;
  font-family: var(--mono);
  font-size: 10px;
}

.steps-stack {
  display: grid;
  gap: 18px;
}

.command-step {
  padding: 28px;
  background: rgba(255, 254, 248, 0.7);
  border: 1px solid rgba(16, 23, 20, 0.16);
  border-radius: var(--radius);
}

.command-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.command-meta span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 11px;
}

.command-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  color: #e9eee9;
  background: var(--ink);
  border-radius: var(--radius-small);
}

.command-box code {
  min-width: 0;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.command-box-multiline {
  align-items: flex-start;
}

.copy-button {
  flex: none;
  padding: 5px 9px;
  color: var(--signal);
  background: transparent;
  border: 1px solid rgba(233, 245, 106, 0.3);
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.copy-button:hover {
  color: var(--ink);
  background: var(--signal);
}

.command-step > p,
.command-step details {
  margin: 13px 0 0;
  color: #53675b;
  font-size: 13px;
}

.command-step summary {
  cursor: pointer;
  font-weight: 700;
}

.details-code {
  display: grid;
  margin-top: 10px;
  padding: 12px;
  background: rgba(16, 23, 20, 0.06);
  border-radius: 7px;
  gap: 8px;
}

.details-code code {
  overflow-wrap: anywhere;
}

.role-card {
  position: relative;
  overflow: hidden;
  padding: 46px;
}

.role-maintainer {
  background: var(--ink);
  color: var(--white);
}

.role-contributor {
  background: var(--white);
}

.role-card > p:not(.card-label) {
  color: #728078;
}

.role-maintainer > p:not(.card-label) {
  color: #a7b4ad;
}

.role-icon {
  position: absolute;
  top: 28px;
  right: 30px;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--ink);
  background: var(--signal);
  border-radius: 8px;
  font-family: var(--mono);
  font-weight: 900;
  transform: rotate(5deg);
}

.role-maintainer .card-label {
  color: var(--mint-strong);
}

.role-card pre {
  margin: 28px 0;
  padding: 24px;
  overflow-x: auto;
  color: #dce6df;
  background: #080d0b;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  font-size: 12px;
  line-height: 1.8;
}

.role-maintainer .check-list li {
  color: #9faea6;
  font-size: 14px;
}

.role-sequence {
  display: grid;
  margin: 35px 0 0;
  padding: 0;
  gap: 0;
  list-style: none;
}

.role-sequence li {
  display: grid;
  min-height: 80px;
  align-items: start;
  padding: 17px 0;
  border-top: 1px solid var(--line);
  grid-template-columns: 48px 1fr;
}

.role-sequence span {
  color: #3f8d61;
  font-family: var(--mono);
  font-size: 11px;
}

.role-sequence strong,
.role-sequence small {
  display: block;
}

.role-sequence small {
  margin-top: 4px;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  overflow: hidden;
  border: 1px solid rgba(16, 23, 20, 0.22);
  border-radius: var(--radius-large);
  background: var(--paper);
  grid-template-columns: repeat(3, 1fr);
}

.feature-grid article {
  min-height: 240px;
  padding: 34px;
}

.feature-grid article:nth-child(3n + 2),
.feature-grid article:nth-child(3n + 3) {
  border-left: 1px solid var(--line);
}

.feature-grid article:nth-child(n + 4) {
  border-top: 1px solid var(--line);
}

.feature-grid article > span {
  display: inline-flex;
  margin-bottom: 42px;
  padding: 5px 8px;
  color: #35674c;
  background: var(--mint);
  border-radius: 5px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.feature-grid h3 {
  font-size: 20px;
}

.feature-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.not-for-banner {
  margin-top: 22px;
  padding: 22px 28px;
  color: #5a3d32;
  background: #f1c6ad;
  border: 1px solid rgba(90, 61, 50, 0.2);
  border-radius: var(--radius);
  font-size: 14px;
}

.faq-grid {
  display: grid;
  align-items: start;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 100px;
}

.faq-heading {
  position: sticky;
  top: 120px;
}

.faq-heading p:last-child {
  color: var(--muted);
}

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

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

.faq-list summary {
  position: relative;
  padding: 26px 50px 26px 0;
  cursor: pointer;
  font-size: 18px;
  font-weight: 780;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 23px;
  right: 6px;
  color: #3f8d61;
  content: "+";
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  max-width: 720px;
  margin: -4px 50px 26px 0;
  color: var(--muted);
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding: 110px 0;
  color: var(--white);
  background: #234d39;
}

.final-cta::before,
.final-cta::after {
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  content: "";
}

.final-cta::before {
  top: -160px;
  left: -100px;
}

.final-cta::after {
  right: -80px;
  bottom: -210px;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-inner .eyebrow,
.cta-actions {
  justify-content: center;
}

.cta-inner h2 {
  margin-bottom: 20px;
  font-size: clamp(46px, 6vw, 80px);
}

.cta-inner > p:not(.eyebrow) {
  max-width: 650px;
  margin: 0 auto 32px;
  color: #bbd0c3;
  font-size: 18px;
}

.site-footer {
  padding: 70px 0 24px;
  color: #a3b0a9;
  background: #0a0f0d;
}

.footer-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
}

.footer-brand {
  color: var(--white);
}

.footer-grid > div:first-child > p {
  max-width: 400px;
  margin-top: 20px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.footer-links div {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-links strong {
  margin-bottom: 8px;
  color: var(--white);
  font-size: 13px;
}

.footer-links a {
  font-size: 13px;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--signal);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
  font-family: var(--mono);
  font-size: 10px;
}

.copy-status {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 50;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--signal);
  border: 1px solid var(--ink);
  border-radius: 8px;
  box-shadow: 4px 4px 0 var(--ink);
  font-size: 12px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.copy-status.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .desktop-nav {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .hero-copy {
    max-width: 800px;
  }

  .hero-console {
    width: min(680px, 96%);
    margin-right: auto;
    margin-left: auto;
  }

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

  .demo-copy {
    max-width: 760px;
  }

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

  .protocol-flow li:nth-child(5) {
    border-left: 0;
  }

  .protocol-flow li:nth-child(n + 5) {
    border-top: 1px solid var(--line-dark);
  }

  .protocol-flow li:nth-child(4)::after {
    display: none;
  }

  .quickstart-grid,
  .faq-grid {
    gap: 50px;
  }
}

@media (max-width: 800px) {
  :root {
    --shell: min(680px, calc(100vw - 28px));
  }

  .site-header .button-small {
    padding-inline: 13px;
  }

  .hero {
    padding-top: 64px;
  }

  .hero-grid {
    gap: 46px;
  }

  h1 {
    font-size: clamp(43px, 13vw, 64px);
  }

  .permit-card {
    right: -4px;
  }

  .invariant-strip,
  .comparison-grid,
  .role-grid,
  .quickstart-grid,
  .faq-grid,
  .footer-grid,
  .evidence-panel,
  .split-heading {
    grid-template-columns: 1fr;
  }

  .invariant-strip p + p {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .section {
    padding: 86px 0;
  }

  .demo-section {
    padding: 86px 0;
  }

  .split-heading,
  .quickstart-grid,
  .faq-grid,
  .footer-grid {
    gap: 34px;
  }

  .quickstart-copy,
  .faq-heading {
    position: static;
  }

  .evidence-code {
    min-height: auto;
    border-top: 1px solid var(--line-dark);
    border-left: 0;
  }

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

  .protocol-flow li:nth-child(odd) {
    border-left: 0;
  }

  .protocol-flow li:nth-child(n + 3) {
    border-top: 1px solid var(--line-dark);
  }

  .protocol-flow li:nth-child(even)::after {
    display: none;
  }

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

  .feature-grid article:nth-child(3n + 2),
  .feature-grid article:nth-child(3n + 3) {
    border-left: 0;
  }

  .feature-grid article:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .feature-grid article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 540px) {
  .brand-tag,
  .site-header .button-small span {
    display: none;
  }

  .site-header .button-small {
    min-height: 38px;
    padding-inline: 12px;
    font-size: 12px;
  }

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

  .hero-console {
    width: 100%;
    transform: none;
  }

  .demo-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .demo-run {
    width: 100%;
  }

  .demo-lines {
    padding: 14px;
  }

  .demo-lines li {
    padding: 11px 6px;
    grid-template-columns: 34px 1fr auto;
    row-gap: 4px;
  }

  .demo-lines li > small {
    grid-column: 2 / -1;
    grid-row: 2;
  }

  .demo-lines li > b {
    grid-column: 3;
    grid-row: 1;
  }

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

  .console-bar {
    grid-template-columns: 1fr auto;
  }

  .console-bar > span:nth-child(2) {
    display: none;
  }

  .console-body {
    min-height: 390px;
    padding: 22px 18px 42px;
    font-size: 11px;
  }

  .console-output {
    margin-left: 8px;
  }

  .console-output p {
    grid-template-columns: 80px 1fr;
  }

  .permit-card {
    right: 8px;
    width: 88%;
  }

  .comparison-card,
  .role-card,
  .evidence-copy,
  .evidence-code {
    padding: 28px;
  }

  .protocol-flow {
    grid-template-columns: 1fr;
  }

  .protocol-flow li,
  .protocol-flow li:nth-child(even),
  .protocol-flow li:nth-child(odd) {
    min-height: auto;
    border-top: 1px solid var(--line-dark);
    border-left: 0;
  }

  .protocol-flow li::after {
    display: none !important;
  }

  .step-number {
    margin-bottom: 22px;
  }

  .command-step {
    padding: 20px;
  }

  .command-box {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .feature-grid article,
  .feature-grid article:nth-child(even) {
    min-height: auto;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .feature-grid article:first-child {
    border-top: 0;
  }

  .feature-grid article > span {
    margin-bottom: 25px;
  }

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

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}