:root {
  --relay-ink: #07171a;
  --relay-ink-raised: #0d2428;
  --relay-ink-soft: #143238;
  --relay-paper: #f3f1e9;
  --relay-paper-raised: #fbfaf5;
  --relay-text: #f7f8f3;
  --relay-muted: #b8c8c5;
  --relay-paper-text: #0a2427;
  --relay-paper-muted: #526568;
  --relay-accent: #c8f45a;
  --relay-accent-soft: #dcebbf;
  --relay-rule-dark: #294349;
  --relay-rule-light: #c7ccc3;
}

* {
  box-sizing: border-box;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--relay-ink);
  background: var(--relay-accent);
  border: 2px solid var(--relay-ink);
  border-radius: 4px;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--relay-accent);
  outline-offset: 4px;
  border-radius: 3px;
}

.site-header {
  position: relative;
  z-index: 30;
  background: #0b1e22;
  border-color: var(--relay-rule-dark) !important;
}

.site-header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--relay-text);
  text-decoration: none;
  flex: 0 0 auto;
}

.site-brand > span:last-child {
  display: grid;
  gap: 1px;
}

.site-brand strong {
  color: var(--relay-text);
  font-size: 15px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.site-brand small {
  color: #9fb2af;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9px;
  line-height: 1.3;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-mark {
  width: 27px;
  height: 27px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: end;
  gap: 3px;
  padding: 4px;
  border: 1px solid #486166;
}

.brand-mark span {
  display: block;
  background: var(--relay-accent);
}

.brand-mark span:nth-child(1) { height: 35%; }
.brand-mark span:nth-child(2) { height: 68%; }
.brand-mark span:nth-child(3) { height: 100%; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.site-nav a,
.nav-book-link {
  color: #bdcac8;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: color 160ms ease;
}

.site-nav a:hover,
.nav-book-link:hover {
  color: var(--relay-text);
}

.site-nav-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-audit-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 16px;
  color: var(--relay-ink);
  background: var(--relay-accent);
  border: 1px solid var(--relay-accent);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 160ms ease, transform 160ms ease;
}

.nav-audit-link:hover {
  color: var(--relay-ink);
  background: #d8ff77;
  transform: translateY(-1px);
}

.minimal-nav-note {
  color: #aebfbc;
  font-size: 12px;
}

.site-footer {
  margin-top: 0 !important;
  color: #b8c8c5;
  background: #061518;
  border-color: var(--relay-rule-dark) !important;
}

.site-footer-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.6fr) minmax(140px, 0.7fr) minmax(180px, 0.8fr) auto;
  gap: 48px;
  padding-top: 64px;
  padding-bottom: 48px;
}

.footer-brand-block p {
  max-width: 430px;
  margin: 22px 0 0;
  color: #9eb1ae;
  font-size: 14px;
  line-height: 1.65;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 11px;
}

.footer-nav > span {
  margin-bottom: 5px;
  color: #708a87;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-nav a {
  color: #c8d4d2;
  font-size: 13px;
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--relay-text);
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  color: #78908d;
  font-size: 11px;
  white-space: nowrap;
}

.site-marketing {
  color: var(--relay-text);
  background: var(--relay-ink);
}

.site-marketing .site-header {
  position: sticky;
  top: 0;
  background: rgba(7, 23, 26, 0.96);
  backdrop-filter: blur(14px);
}

.site-marketing .container-wide {
  width: 100%;
  max-width: 1240px;
  padding-left: 30px;
  padding-right: 30px;
}

.site-marketing #main {
  min-width: 0;
  overflow: hidden;
}

.landing-page {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  background: var(--relay-paper);
}

.marketing-shell {
  width: min(1240px, calc(100% - 60px));
  margin: 0 auto;
}

.marketing-hero {
  position: relative;
  color: var(--relay-text);
  background: var(--relay-ink);
  border-bottom: 1px solid var(--relay-rule-dark);
}

.marketing-hero::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 calc(50% + 64px);
  width: 1px;
  background: #132f34;
  pointer-events: none;
}

.hero-grid {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(430px, 0.8fr);
  align-items: center;
  gap: 88px;
  padding-top: 84px;
  padding-bottom: 98px;
}

.hero-copy {
  min-width: 0;
}

.marketing-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  color: var(--relay-accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.15em;
  line-height: 1.4;
  text-transform: uppercase;
}

.marketing-eyebrow > span {
  width: 26px;
  height: 1px;
  display: inline-block;
  background: currentColor;
}

.marketing-eyebrow-dark {
  color: #456257;
}

.marketing-hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--relay-text);
  font-size: clamp(58px, 5.35vw, 82px);
  font-weight: 620;
  letter-spacing: -0.058em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero-summary {
  max-width: 670px;
  margin: 30px 0 0;
  color: #c3d0ce;
  font-size: clamp(18px, 1.5vw, 21px);
  line-height: 1.6;
}

.hero-actions,
.final-actions,
.pilot-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 38px;
}

.marketing-button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

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

.marketing-button-primary {
  color: var(--relay-ink);
  background: var(--relay-accent);
  border-color: var(--relay-accent);
}

.marketing-button-primary:hover {
  color: var(--relay-ink);
  background: #d8ff77;
  border-color: #d8ff77;
}

.marketing-button-secondary {
  color: var(--relay-text);
  background: transparent;
  border-color: #486269;
}

.marketing-button-secondary:hover {
  color: var(--relay-text);
  border-color: #a2b4b2;
  background: #10282c;
}

.marketing-button-dark {
  color: var(--relay-text);
  background: var(--relay-paper-text);
  border-color: var(--relay-paper-text);
}

.marketing-button-dark:hover {
  color: var(--relay-text);
  background: #173b3f;
  border-color: #173b3f;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 15px 0 0;
  color: #91a7a4;
  font-size: 11px;
}

.hero-note span {
  color: var(--relay-accent);
  font-size: 7px;
}

.hero-fit {
  max-width: 670px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 42px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--relay-rule-dark);
  color: #aabbb8;
  font-size: 11px;
  list-style: none;
}

.hero-fit::before {
  content: "DESIGNED FOR";
  color: #627d7a;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0.13em;
}

.hero-fit li {
  position: relative;
  padding-left: 13px;
}

.hero-fit li::before {
  content: "";
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 4px;
  height: 4px;
  background: #5c7774;
}

.relay-console {
  position: relative;
  padding: 24px;
  background: var(--relay-ink-raised);
  border: 1px solid #365158;
  border-radius: 8px;
}

.relay-console::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 36px;
  height: 36px;
  border-right: 3px solid var(--relay-accent);
  border-bottom: 3px solid var(--relay-accent);
  pointer-events: none;
}

.console-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 20px;
  border-bottom: 1px solid #314b51;
}

.console-topline > div {
  display: grid;
  gap: 6px;
}

.console-kicker,
.event-state,
.console-status span,
.boundary-label,
.audit-panel-head,
.pilot-day,
.sequence-index,
.sequence-output span,
.ledger-label,
.control-state,
.control-number {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  text-transform: uppercase;
}

.console-kicker {
  color: #77918e;
  font-size: 9px;
  letter-spacing: 0.13em;
}

.console-topline strong {
  color: var(--relay-text);
  font-size: 15px;
}

.mode-pill {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 9px;
  color: var(--relay-accent);
  border: 1px solid #4f6b62;
  border-radius: 999px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.07em;
  white-space: nowrap;
}

.mode-pill > span {
  width: 6px;
  height: 6px;
  background: var(--relay-accent);
  border-radius: 50%;
  animation: relay-pulse 2.4s ease-in-out infinite;
}

@keyframes relay-pulse {
  0%, 100% { opacity: 0.55; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

.console-events {
  margin: 0;
  padding: 12px 0;
  list-style: none;
}

.console-events li {
  position: relative;
  min-height: 86px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid #263f44;
}

.console-events li:last-child {
  border-bottom: 0;
}

.console-events li:not(:last-child)::after {
  content: "";
  position: absolute;
  z-index: 1;
  bottom: -7px;
  left: 16px;
  width: 1px;
  height: 14px;
  background: var(--relay-accent);
}

.event-index {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--relay-accent);
  border: 1px solid #456066;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9px;
}

.event-copy {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
}

.event-state {
  color: #758f8c;
  font-size: 8px;
  letter-spacing: 0.1em;
}

.event-copy strong {
  color: #eef3ef;
  font-size: 12px;
}

.event-copy > span:last-child {
  grid-column: 1 / -1;
  color: #8fa5a2;
  font-size: 10px;
}

.event-check {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--relay-ink);
  background: var(--relay-accent);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 900;
}

.console-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 18px;
  background: #132e33;
  border-left: 2px solid var(--relay-accent);
}

.console-status span {
  color: #879f9c;
  font-size: 8px;
  letter-spacing: 0.1em;
}

.console-status strong {
  color: #d9e4e1;
  font-size: 10px;
  text-align: right;
}

.principle-strip {
  color: var(--relay-text);
  background: #0a1c1f;
  border-bottom: 1px solid var(--relay-rule-dark);
}

.principle-strip ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.principle-strip li {
  min-height: 104px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-content: center;
  gap: 4px 16px;
  padding: 22px 30px;
  border-left: 1px solid var(--relay-rule-dark);
}

.principle-strip li:last-child {
  border-right: 1px solid var(--relay-rule-dark);
}

.principle-strip li > span {
  grid-row: 1 / 3;
  color: var(--relay-accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
}

.principle-strip strong {
  color: #e7eeeb;
  font-size: 12px;
}

.principle-strip small {
  color: #879c99;
  font-size: 10px;
}

.marketing-section {
  padding: 132px 0;
}

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

.section-ink {
  color: var(--relay-text);
  background: var(--relay-ink);
}

.section-pilot {
  color: var(--relay-paper-text);
  background: var(--relay-accent-soft);
}

.section-grid {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 58px;
}

.section-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  color: var(--relay-paper-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-ink .section-rail {
  color: #708985;
}

.section-rail span:first-child {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid currentColor;
}

.section-rail span:last-child {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.section-content {
  min-width: 0;
}

.section-heading {
  margin-bottom: 72px;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: 80px;
}

.section-heading h2,
.proof-copy h2,
.faq-heading h2,
.final-cta h2 {
  margin: 0;
  color: inherit;
  font-size: clamp(42px, 4.25vw, 64px);
  font-weight: 610;
  letter-spacing: -0.052em;
  line-height: 1.03;
  text-wrap: balance;
}

.section-heading > p,
.proof-copy > p,
.faq-heading > p,
.final-cta-grid > div > p {
  margin: 0;
  color: var(--relay-paper-muted);
  font-size: 16px;
  line-height: 1.72;
}

.section-ink .section-heading > p,
.final-cta-grid > div > p {
  color: var(--relay-muted);
}

.failure-ledger {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--relay-rule-light);
  list-style: none;
}

.failure-ledger li {
  min-height: 138px;
  display: grid;
  grid-template-columns: 130px minmax(190px, 0.8fr) minmax(280px, 1.2fr) 46px;
  align-items: center;
  gap: 26px;
  padding: 26px 0;
  border-bottom: 1px solid var(--relay-rule-light);
}

.ledger-label {
  color: #516a62;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.failure-ledger h3,
.relay-sequence h3,
.pilot-timeline h3,
.pilot-boundary h3,
.control-ledger h3 {
  margin: 0;
  color: inherit;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.failure-ledger p,
.relay-sequence p,
.pilot-timeline p,
.pilot-boundary p,
.control-ledger p {
  margin: 0;
  color: var(--relay-paper-muted);
  font-size: 14px;
  line-height: 1.65;
}

.ledger-mark {
  color: #596c62;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  text-align: right;
}

.section-proof-note {
  margin: 30px 0 0;
  padding-left: 16px;
  color: #536b63;
  border-left: 2px solid #78926f;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
}

.relay-sequence {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--relay-rule-dark);
  list-style: none;
}

.relay-sequence li {
  position: relative;
  min-height: 150px;
  display: grid;
  grid-template-columns: 150px minmax(280px, 1fr) minmax(190px, 0.45fr);
  align-items: center;
  gap: 42px;
  padding: 32px 0;
  border-bottom: 1px solid var(--relay-rule-dark);
}

.relay-sequence li::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 61px;
  width: 1px;
  background: #27454a;
}

.sequence-index {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--relay-accent);
}

.sequence-index span:first-child {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--relay-ink);
  background: var(--relay-accent);
  font-size: 9px;
}

.sequence-index span:last-child {
  color: #86a19d;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.relay-sequence p,
.control-ledger p {
  margin-top: 8px;
  color: #a8bbb7;
}

.sequence-output {
  display: grid;
  gap: 7px;
  padding: 14px 16px;
  border-left: 1px solid #52706c;
}

.sequence-output span {
  color: #78908d;
  font-size: 8px;
  letter-spacing: 0.1em;
}

.sequence-output strong {
  color: #dbe5e2;
  font-size: 11px;
}

.proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1fr);
  align-items: center;
  gap: 90px;
}

.proof-copy .marketing-eyebrow {
  margin-bottom: 22px;
}

.proof-copy > p {
  max-width: 580px;
  margin-top: 28px;
}

.proof-copy .marketing-button {
  margin-top: 34px;
}

.audit-panel {
  background: var(--relay-paper-raised);
  border: 1px solid #afb9af;
  border-radius: 8px;
}

.audit-panel-head {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 18px;
  color: #435b56;
  border-bottom: 1px solid #c6ccc2;
  font-size: 8px;
  letter-spacing: 0.09em;
}

.audit-state {
  padding: 5px 7px;
  color: #1d423a;
  background: #d9e8d2;
  border-radius: 2px;
  font-weight: 800;
}

.audit-url {
  display: grid;
  grid-template-columns: repeat(3, 6px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  margin: 22px 22px 0;
  padding: 13px 14px;
  color: #45605a;
  background: #ecece5;
  border: 1px solid #c4cbc1;
  border-radius: 4px;
}

.audit-url > span {
  width: 6px;
  height: 6px;
  background: #93a29b;
  border-radius: 50%;
}

.audit-url strong {
  margin-left: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 600;
}

.audit-url em {
  color: #41643e;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9px;
  font-style: normal;
  text-transform: uppercase;
}

.audit-panel ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin: 22px;
  padding: 0;
  border-top: 1px solid #d0d4cb;
  border-left: 1px solid #d0d4cb;
  list-style: none;
}

.audit-panel li {
  min-height: 80px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px;
  color: #324d48;
  border-right: 1px solid #d0d4cb;
  border-bottom: 1px solid #d0d4cb;
  font-size: 11px;
  line-height: 1.45;
}

.audit-panel li span {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #214b3d;
  background: #d9ead3;
  border-radius: 50%;
  font-size: 9px;
  font-weight: 900;
}

.audit-panel > p {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 18px 22px;
  color: #4e635f;
  background: #eaebe4;
  border-top: 1px solid #c6ccc2;
  font-size: 10px;
  line-height: 1.5;
}

.audit-panel > p span {
  color: #284a42;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 8px;
  letter-spacing: 0.08em;
}

.pilot-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.65fr);
  align-items: stretch;
  gap: 54px;
}

.pilot-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pilot-timeline::before {
  content: "";
  position: absolute;
  top: 9px;
  bottom: 9px;
  left: 152px;
  width: 1px;
  background: #96a98b;
}

.pilot-timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 126px 16px minmax(0, 1fr);
  gap: 20px;
  padding: 0 0 48px;
}

.pilot-timeline li:last-child {
  padding-bottom: 0;
}

.pilot-day {
  padding-top: 2px;
  color: #445d50;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-align: right;
}

.pilot-dot {
  position: relative;
  z-index: 1;
  width: 15px;
  height: 15px;
  background: var(--relay-accent-soft);
  border: 3px solid #17332e;
  border-radius: 50%;
}

.pilot-timeline p {
  max-width: 540px;
  margin-top: 8px;
  color: #455f59;
}

.pilot-boundary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
  color: var(--relay-text);
  background: var(--relay-paper-text);
  border-radius: 7px;
}

.boundary-label {
  margin-bottom: 26px;
  color: var(--relay-accent);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.pilot-boundary p {
  margin-top: 16px;
  color: #b8c9c5;
}

.boundary-state {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid #34504c;
  color: #d9e6e2;
  font-size: 10px;
}

.boundary-state span {
  width: 8px;
  height: 8px;
  background: var(--relay-accent);
  border-radius: 50%;
}

.pilot-actions {
  margin-top: 56px;
}

.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 9px;
  color: #173a34;
  font-size: 13px;
  font-weight: 750;
  text-underline-offset: 5px;
}

.control-ledger {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--relay-rule-dark);
  list-style: none;
}

.control-ledger li {
  min-height: 126px;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
  padding: 24px 0;
  border-bottom: 1px solid var(--relay-rule-dark);
}

.control-number {
  color: #728b87;
  font-size: 10px;
}

.control-state {
  padding: 7px 9px;
  color: var(--relay-accent);
  border: 1px solid #4f6b66;
  border-radius: 2px;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(420px, 1.1fr);
  gap: 90px;
}

.faq-heading > p {
  margin-top: 28px;
}

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

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

.faq-list summary {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 2px;
  color: var(--relay-paper-text);
  cursor: pointer;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.35;
  list-style: none;
}

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

.faq-list summary > span:last-child {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #9eaba3;
  border-radius: 50%;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 15px;
  transition: transform 160ms ease;
}

.faq-list details[open] summary > span:last-child {
  transform: rotate(45deg);
}

.faq-list details > p {
  max-width: 680px;
  margin: -4px 54px 26px 2px;
  color: var(--relay-paper-muted);
  font-size: 14px;
  line-height: 1.7;
}

.final-cta {
  padding: 106px 0;
  color: var(--relay-text);
  background: #0b2024;
  border-top: 1px solid var(--relay-rule-dark);
}

.final-cta-grid {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) auto;
  align-items: end;
  gap: 56px;
}

.final-cta-grid > .marketing-eyebrow {
  align-self: start;
  margin: 8px 0 0;
}

.final-cta h2 {
  max-width: 790px;
  font-size: clamp(38px, 3.5vw, 54px);
}

.final-cta-grid > div > p {
  max-width: 710px;
  margin-top: 24px;
}

.final-actions {
  max-width: 290px;
  align-items: stretch;
  justify-content: flex-end;
}

.final-actions .marketing-button {
  width: 100%;
}

#relay,
#proof,
#pilot,
#controls {
  scroll-margin-top: 86px;
}

@media (max-width: 1100px) {
  .site-nav {
    gap: 18px;
  }

  .nav-book-link {
    display: none;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(390px, 0.8fr);
    gap: 52px;
  }

  .marketing-hero h1 {
    font-size: clamp(54px, 5.6vw, 72px);
  }

  .split-heading {
    gap: 48px;
  }

  .failure-ledger li {
    grid-template-columns: 100px minmax(170px, 0.8fr) minmax(250px, 1.2fr) 30px;
  }

  .relay-sequence li {
    grid-template-columns: 130px minmax(250px, 1fr) minmax(170px, 0.45fr);
    gap: 30px;
  }

  .proof-grid,
  .faq-grid {
    gap: 56px;
  }

  .final-cta-grid {
    grid-template-columns: 120px minmax(0, 1fr);
  }

  .final-actions {
    grid-column: 2;
    max-width: none;
    flex-direction: row;
    justify-content: flex-start;
  }

  .final-actions .marketing-button {
    width: auto;
  }

  .site-footer-grid {
    grid-template-columns: minmax(260px, 1.5fr) 0.7fr 0.8fr;
  }

  .footer-meta {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--relay-rule-dark);
  }
}

@media (max-width: 900px) {
  .site-nav {
    display: none;
  }

  .site-nav-actions {
    margin-left: auto;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 64px;
    padding-top: 86px;
    padding-bottom: 86px;
  }

  .marketing-hero::before {
    display: none;
  }

  .hero-copy {
    max-width: 730px;
  }

  .relay-console {
    max-width: 650px;
  }

  .marketing-section {
    padding: 104px 0;
  }

  .section-grid {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 36px;
  }

  .split-heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 28px;
  }

  .split-heading > p {
    max-width: 640px;
  }

  .failure-ledger li {
    grid-template-columns: 90px minmax(160px, 0.8fr) minmax(220px, 1.2fr);
  }

  .ledger-mark {
    display: none;
  }

  .relay-sequence li {
    grid-template-columns: 120px minmax(0, 1fr);
  }

  .sequence-output {
    grid-column: 2;
  }

  .proof-grid,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .proof-copy {
    max-width: 700px;
  }

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

  .pilot-boundary {
    max-width: 650px;
  }
}

@media (max-width: 720px) {
  .site-header-inner {
    min-height: 66px;
  }

  .site-marketing .container-wide {
    padding-left: 20px;
    padding-right: 20px;
  }

  .site-nav-actions .nav-book-link {
    display: none;
  }

  .nav-audit-link {
    min-height: 44px;
    padding: 0 13px;
  }

  .marketing-shell {
    width: min(100% - 40px, 1240px);
  }

  .hero-grid {
    gap: 58px;
    padding-top: 62px;
    padding-bottom: 72px;
  }

  .marketing-hero h1 {
    font-size: clamp(44px, 12.5vw, 62px);
    line-height: 0.99;
  }

  .hero-summary {
    margin-top: 24px;
    font-size: 17px;
    line-height: 1.58;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    margin-top: 30px;
  }

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

  .hero-fit {
    margin-top: 30px;
  }

  .relay-console {
    padding: 18px;
  }

  .console-topline {
    align-items: stretch;
    flex-direction: column;
  }

  .mode-pill {
    align-self: flex-start;
  }

  .principle-strip ul {
    grid-template-columns: 1fr;
  }

  .principle-strip li,
  .principle-strip li:last-child {
    min-height: 82px;
    padding: 18px 0;
    border-right: 0;
    border-bottom: 1px solid var(--relay-rule-dark);
    border-left: 0;
  }

  .marketing-section {
    padding: 84px 0;
  }

  .section-grid {
    display: block;
  }

  .section-rail {
    flex-direction: row;
    justify-content: flex-start;
    margin-bottom: 46px;
  }

  .section-rail span:first-child {
    width: 34px;
    height: 34px;
  }

  .section-rail span:last-child {
    writing-mode: initial;
    transform: none;
  }

  .section-heading {
    margin-bottom: 52px;
  }

  .section-heading h2,
  .proof-copy h2,
  .faq-heading h2,
  .final-cta h2 {
    font-size: clamp(38px, 10.2vw, 50px);
  }

  .failure-ledger li {
    position: relative;
    min-height: 0;
    display: block;
    padding: 30px 42px 30px 0;
  }

  .failure-ledger h3 {
    margin-top: 11px;
  }

  .failure-ledger p {
    margin-top: 10px;
  }

  .ledger-mark {
    position: absolute;
    top: 31px;
    right: 2px;
    display: block;
  }

  .relay-sequence li {
    display: block;
    padding: 34px 0;
  }

  .relay-sequence li::before {
    display: none;
  }

  .sequence-copy {
    margin-top: 22px;
  }

  .sequence-output {
    margin-top: 18px;
  }

  .proof-grid,
  .faq-grid {
    display: block;
  }

  .audit-panel,
  .faq-list {
    margin-top: 52px;
  }

  .audit-panel ul {
    grid-template-columns: 1fr;
  }

  .audit-url {
    grid-template-columns: repeat(3, 6px) minmax(0, 1fr);
  }

  .audit-url em {
    display: none;
  }

  .pilot-timeline::before {
    left: 7px;
  }

  .pilot-timeline li {
    grid-template-columns: 16px minmax(0, 1fr);
    gap: 18px;
    padding-bottom: 42px;
  }

  .pilot-day {
    grid-column: 2;
    grid-row: 1;
    text-align: left;
  }

  .pilot-dot {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .pilot-timeline li > div {
    grid-column: 2;
  }

  .pilot-boundary {
    padding: 28px;
  }

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

  .pilot-actions .marketing-button,
  .pilot-actions .text-link {
    width: 100%;
    justify-content: center;
  }

  .control-ledger li {
    position: relative;
    display: block;
    padding: 30px 0;
  }

  .control-ledger li > div {
    margin-top: 16px;
    padding-right: 32px;
  }

  .control-state {
    position: absolute;
    top: 25px;
    right: 0;
  }

  .faq-list details > p {
    margin-right: 36px;
  }

  .final-cta {
    padding: 82px 0;
  }

  .final-cta-grid {
    display: block;
  }

  .final-cta-grid > .marketing-eyebrow {
    margin-bottom: 24px;
  }

  .final-actions {
    max-width: none;
    align-items: stretch;
    flex-direction: column;
    margin-top: 34px;
  }

  .final-actions .marketing-button {
    width: 100%;
  }

  .site-footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 42px 28px;
    padding-top: 52px;
  }

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

@media (max-width: 430px) {
  .site-brand small {
    display: none;
  }

  .site-brand {
    gap: 9px;
  }

  .brand-mark {
    width: 24px;
    height: 24px;
  }

  .nav-audit-link {
    font-size: 11px;
  }

  .hero-grid {
    padding-top: 48px;
  }

  .marketing-eyebrow {
    margin-bottom: 18px;
    font-size: 9px;
  }

  .marketing-hero h1 {
    font-size: clamp(42px, 12vw, 50px);
  }

  .hero-fit::before {
    flex-basis: 100%;
  }

  .console-events li {
    grid-template-columns: 30px minmax(0, 1fr) 20px;
    gap: 10px;
  }

  .event-index {
    width: 30px;
    height: 30px;
  }

  .console-events li:not(:last-child)::after {
    left: 14px;
  }

  .event-copy {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .event-copy strong {
    grid-column: 1;
  }

  .console-status {
    align-items: flex-start;
    flex-direction: column;
  }

  .console-status strong {
    text-align: left;
  }

  .audit-panel-head {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 14px;
    padding-bottom: 14px;
  }

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

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

  .footer-meta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}