@font-face {
  font-family: "Geologica";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/assets/fonts/geologica-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
  font-family: "Geologica";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/assets/fonts/geologica-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
    U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: dark;
  --color-bg: oklch(11.5% 0.018 258);
  --color-bg-soft: oklch(13.8% 0.021 258);
  --color-surface: oklch(16.5% 0.024 258);
  --color-surface-raised: oklch(21% 0.03 258);
  --color-ink: oklch(95% 0.014 248);
  --color-ink-muted: oklch(74% 0.028 248);
  --color-line: oklch(34% 0.035 258);
  --color-line-soft: oklch(26% 0.028 258);
  --color-signal: oklch(72% 0.16 253);
  --color-signal-strong: oklch(65% 0.2 253);
  --color-signal-deep: oklch(28% 0.08 253);
  --color-risk: oklch(79% 0.15 75);
  --color-critical: oklch(67% 0.2 25);
  --color-verified: oklch(75% 0.14 151);
  --color-on-signal: oklch(14% 0.035 258);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --header-height: 4.75rem;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-inline-max: max(var(--safe-left), var(--safe-right));
  --safe-block-max: max(var(--safe-top), var(--safe-bottom));
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --z-sticky: 20;
  --z-dialog: 50;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--safe-top) + var(--header-height) + 1rem);
  background: var(--color-bg);
}

body {
  margin: 0;
  padding-inline: var(--safe-left) var(--safe-right);
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: "Geologica", "Segoe UI", sans-serif;
  font-size: 1rem;
  font-weight: 375;
  line-height: 1.7;
  font-kerning: normal;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 78% 8%, oklch(27% 0.08 253 / 0.28), transparent 30rem),
    radial-gradient(circle at 15% 46%, oklch(20% 0.035 253 / 0.24), transparent 34rem);
  content: "";
  pointer-events: none;
}

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

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

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

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

p,
li,
dd {
  text-wrap: pretty;
}

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

h1,
h2,
h3 {
  color: var(--color-ink);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

h2 {
  margin-bottom: var(--space-6);
  font-size: clamp(2.25rem, 4.8vw, 4rem);
}

h3 {
  font-size: 1.35rem;
}

code {
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-variant-ligatures: none;
}

::selection {
  background: var(--color-signal);
  color: var(--color-on-signal);
}

:focus-visible {
  outline: 0.18rem solid var(--color-signal);
  outline-offset: 0.22rem;
}

.container {
  width: min(calc(100% - 2.5rem), 80rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: calc(var(--safe-top) + var(--space-4));
  left: calc(var(--safe-left) + var(--space-4));
  z-index: calc(var(--z-dialog) + 1);
  padding: 0.65rem 1rem;
  transform: translateY(-160%);
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-bg);
  font-weight: 600;
  transition: transform 180ms var(--ease-out-quint);
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: var(--z-sticky);
  min-height: calc(var(--safe-top) + var(--header-height));
  padding: var(--safe-top) var(--safe-right) 0 var(--safe-left);
  border-bottom: 1px solid transparent;
  background: oklch(11.5% 0.018 258 / 0.86);
  transition: border-color 200ms ease, background-color 200ms ease;
}

.site-header[data-scrolled="true"] {
  border-color: var(--color-line-soft);
  background: oklch(11.5% 0.018 258 / 0.96);
  backdrop-filter: blur(0.7rem);
}

.nav-shell {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-ink);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 2.75rem;
  height: 2.75rem;
  object-fit: contain;
}

.menu-toggle {
  width: 2.75rem;
  height: 2.75rem;
  margin-left: auto;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
}

.menu-icon {
  width: 1.35rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.8;
}

.menu-icon-close,
.menu-toggle[aria-expanded="true"] .menu-icon-open {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-icon-close {
  display: block;
}

.primary-nav {
  position: fixed;
  top: calc(var(--safe-top) + var(--header-height) + 0.5rem);
  right: max(1.25rem, var(--safe-right));
  left: max(1.25rem, var(--safe-left));
  display: none;
  padding: var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.primary-nav[data-open="true"] {
  display: grid;
}

.primary-nav a {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  padding-inline: var(--space-3);
  border-radius: calc(var(--radius-sm) - 0.125rem);
  color: var(--color-ink-muted);
  font-weight: 450;
  text-decoration: none;
}

.primary-nav a:hover,
.primary-nav a[aria-current="location"] {
  background: var(--color-surface-raised);
  color: var(--color-ink);
}

.button.nav-cta {
  display: none;
}

.button {
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.78rem 1.15rem;
  border: 0;
  border-radius: var(--radius-sm);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms var(--ease-out-quint), background-color 180ms ease, color 180ms ease;
}

.button svg,
.text-link svg {
  width: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  transition: transform 180ms var(--ease-out-quint);
}

.button:hover svg,
.text-link:hover svg {
  transform: translateX(0.22rem);
}

.button:active {
  transform: translateY(0.08rem);
}

.button-primary {
  background: var(--color-signal-strong);
  color: var(--color-on-signal);
}

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

.button-small {
  min-height: 2.75rem;
  padding: 0.65rem 0.95rem;
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--color-signal);
  color: var(--color-signal);
}

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

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

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

.text-link {
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ink);
  font-weight: 500;
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: calc(var(--safe-top) + var(--header-height) + var(--space-8)) var(--space-16);
  overflow: hidden;
}

.hero-bloom {
  position: absolute;
  top: 12%;
  right: -16rem;
  width: 42rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: oklch(61% 0.18 253 / 0.12);
  filter: blur(6rem);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  display: grid;
  gap: var(--space-12);
}

.hero-copy {
  max-width: 43rem;
}

.signal-label,
.section-context,
.pilot-context,
.dialog-context {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  color: var(--color-signal);
  font-size: 0.84rem;
  font-weight: 550;
  letter-spacing: 0.025em;
}

.signal-pulse {
  width: 0.6rem;
  height: 0.6rem;
  position: relative;
  border-radius: 50%;
  background: var(--color-signal);
}

.signal-pulse::after {
  position: absolute;
  inset: -0.3rem;
  border: 1px solid var(--color-signal);
  border-radius: inherit;
  content: "";
  animation: signal-pulse 2.4s var(--ease-out-expo) infinite;
}

.hero h1 {
  max-width: 13.5ch;
  margin-bottom: var(--space-6);
  font-size: clamp(2.5rem, 11.2vw, 3rem);
  font-weight: 650;
  line-height: 1.01;
  letter-spacing: -0.038em;
}

.hero h1 span {
  color: var(--color-signal);
}

.hero .signal-label { margin-bottom: var(--space-4); }

.hero-lead {
  max-width: 61ch;
  margin-bottom: var(--space-6);
  color: var(--color-ink-muted);
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
  font-weight: 400;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-6);
}

.hero-coverage {
  margin: var(--space-8) 0 0;
  padding: var(--space-6) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  border-top: 1px solid var(--color-line-soft);
  color: var(--color-ink-muted);
  font-size: 0.88rem;
  list-style: none;
}

.hero-coverage li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hero-coverage li::before {
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 50%;
  background: var(--color-signal);
  content: "";
}

.impact-demo {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-bg-soft);
}

.demo-toolbar {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-line-soft);
}

.demo-toolbar h2 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.demo-badge {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-ink-muted);
  font-size: 0.75rem;
}

.provider-tabs {
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  scrollbar-width: thin;
}

.provider-tabs button {
  min-width: max-content;
  min-height: 2.75rem;
  padding: 0.55rem 0.75rem;
  border: 0;
  border-radius: calc(var(--radius-sm) - 0.125rem);
  background: transparent;
  color: var(--color-ink-muted);
  font-size: 0.82rem;
  font-weight: 500;
  transition: background-color 180ms ease, color 180ms ease;
}

.provider-tabs button[aria-selected="true"] {
  background: var(--color-surface-raised);
  color: var(--color-signal);
}

.demo-panel {
  padding: var(--space-4);
}

.demo-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-line-soft);
  color: var(--color-ink-muted);
  font-size: 0.78rem;
}

.demo-summary code {
  margin-right: auto;
  color: var(--color-ink);
  font-size: 0.78rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 1.75rem;
  width: max-content;
  padding-inline: var(--space-2);
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 550;
  line-height: 1;
}

.status > span {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: currentColor;
}

.status-verified { color: var(--color-verified); }
.status-observed { color: var(--color-signal); }
.status-inferred { color: var(--color-risk); }

.demo-body {
  display: grid;
  gap: var(--space-8);
  padding-block: var(--space-6);
}

.impact-trace {
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
  list-style: none;
}

.trace-item {
  position: relative;
  display: grid;
  grid-template-columns: 2.35rem 1fr;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.trace-item:not(:last-child)::after {
  position: absolute;
  bottom: calc(var(--space-3) * -1 - 1px);
  left: calc(var(--space-3) + 1.175rem);
  width: 1px;
  height: var(--space-3);
  background: var(--color-line);
  content: "";
}

.trace-icon {
  width: 2.35rem;
  height: 2.35rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-signal);
}

.trace-icon svg {
  width: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.trace-code .trace-icon { color: var(--color-risk); }
.trace-owner .trace-icon { color: var(--color-critical); }
.trace-item div { min-width: 0; }

.trace-label,
.trace-item small {
  display: block;
  color: var(--color-ink-muted);
  font-size: 0.75rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.trace-item strong {
  display: block;
  color: var(--color-ink);
  font-size: 0.9rem;
  font-weight: 550;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.radar-visual {
  display: grid;
  gap: var(--space-3);
  width: 100%;
  min-width: 0;
  max-width: 31rem;
  margin-inline: auto;
}

.radar {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--color-line-soft);
  border-radius: 50%;
  background: oklch(13.5% 0.02 258);
  contain: layout paint;
}

.radar svg {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.radar-sweep {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 50%;
  background: conic-gradient(from -28deg, transparent 0deg 316deg, oklch(72% 0.16 253 / 0.24) 346deg, transparent 360deg);
  animation: radar-sweep 7s linear infinite;
}

.radar-ring,
.radar-spoke,
.route-base,
.dependency-edge,
.route-active {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.radar-ring,
.radar-spoke,
.dependency-edge,
.route-base { stroke: var(--color-line); }
.radar-ring { stroke-width: 1.2; }
.radar-spoke,
.dependency-edge { stroke-width: 1; opacity: 0.7; }
.route-base { stroke-width: 3; }

.route-active {
  stroke: var(--color-signal);
  stroke-width: 4;
  stroke-dasharray: 260;
  stroke-dashoffset: 260;
  animation: trace-route 1.5s 300ms var(--ease-out-expo) forwards;
}

.node { stroke: var(--color-bg); stroke-width: 4; }
.node-signal { fill: var(--color-signal); }
.node-risk { fill: var(--color-risk); }
.node-critical { fill: var(--color-critical); }
.node-muted { fill: var(--color-surface-raised); stroke: var(--color-line); stroke-width: 2; }

.radar-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-4);
  padding-inline: var(--space-2);
  color: var(--color-ink-muted);
  font-size: 0.75rem;
  line-height: 1.35;
}

.radar-legend span { display: inline-flex; flex: 0 0 auto; align-items: center; gap: var(--space-1); white-space: nowrap; }
.radar-legend i { flex: 0 0 auto; width: 0.45rem; height: 0.45rem; border-radius: 50%; }
.legend-signal { background: var(--color-signal); }
.legend-risk { background: var(--color-risk); }
.legend-critical { background: var(--color-critical); }

.demo-note {
  margin: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line-soft);
  color: var(--color-ink-muted);
  font-size: 0.8rem;
  line-height: 1.55;
}

.problem,
.workflow,
.evidence,
.security,
.providers,
.faq,
.final-cta {
  padding-block: var(--space-24);
}

.problem {
  border-top: 1px solid var(--color-line-soft);
}

.problem-heading {
  display: grid;
  gap: 0 var(--space-12);
  margin-bottom: var(--space-12);
}

.problem-heading h2 { max-width: 17ch; }

.problem-heading > p:last-child {
  max-width: 65ch;
  color: var(--color-ink-muted);
}

.wide-photo {
  position: relative;
  min-height: 18rem;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.wide-photo img {
  width: 100%;
  height: 100%;
  min-height: 18rem;
  object-fit: cover;
}

.wide-photo::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, oklch(9% 0.02 258 / 0.9), transparent 55%);
  content: "";
  pointer-events: none;
}

.wide-photo figcaption,
.security-photo figcaption {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  left: var(--space-4);
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--color-ink);
  font-size: 0.8rem;
}

.wide-photo figcaption a,
.security-photo figcaption a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--color-ink-muted);
}

.workflow { background: var(--color-bg-soft); }

.section-intro {
  display: grid;
  gap: var(--space-6) var(--space-12);
  margin-bottom: var(--space-16);
}

.section-intro > p {
  max-width: 62ch;
  color: var(--color-ink-muted);
}

.workflow-list {
  position: relative;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-8);
  list-style: none;
}

.workflow-list::before {
  position: absolute;
  top: 1.5rem;
  bottom: 1.5rem;
  left: 1.47rem;
  width: 1px;
  background: var(--color-line);
  content: "";
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 1.2s var(--ease-out-expo);
}

.workflow[data-active="true"] .workflow-list::before { transform: scaleY(1); }

.workflow-list li {
  position: relative;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-4);
}

.workflow-number {
  width: 3rem;
  height: 3rem;
  z-index: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-signal);
  border-radius: 50%;
  background: var(--color-bg-soft);
  color: var(--color-signal);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.workflow-list h3 {
  margin: 0 0 var(--space-3);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.workflow-list p {
  max-width: 46ch;
  margin-bottom: var(--space-4);
  color: var(--color-ink-muted);
}

.workflow-list code {
  color: var(--color-signal);
  font-size: 0.78rem;
}

.evidence-layout,
.security-layout,
.providers-layout,
.faq-layout {
  display: grid;
  gap: var(--space-12);
}

.evidence-copy p:last-child,
.security-lead {
  max-width: 62ch;
  color: var(--color-ink-muted);
}

.confidence-panel {
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.confidence-list {
  margin: 0;
  padding: var(--space-6);
}

.confidence-list > div {
  display: grid;
  gap: var(--space-3);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-line-soft);
}

.confidence-list > div:first-child { padding-top: 0; }
.confidence-list > div:last-child { padding-bottom: 0; border-bottom: 0; }

.confidence-list dd {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.gate-rule {
  padding: var(--space-6);
  border-top: 1px solid var(--color-line);
  background: var(--color-bg-soft);
}

.gate-rule > p {
  margin-bottom: var(--space-4);
  color: var(--color-ink);
  font-weight: 500;
}

.gate-formula {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.gate-formula span {
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-ink-muted);
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 0.75rem;
}

.gate-formula b { color: var(--color-signal); font-weight: 500; }

.security { background: var(--color-bg-soft); }

.security-photo {
  position: relative;
  min-height: 22rem;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.security-photo img {
  width: 100%;
  height: 100%;
  min-height: 22rem;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05);
}

.security-photo::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, oklch(10% 0.02 258 / 0.92), transparent 64%);
  content: "";
}

.security-copy { align-self: center; }

.security-list {
  margin: var(--space-8) 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
  list-style: none;
}

.security-list li {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: var(--space-3);
  align-items: start;
}

.security-list svg {
  width: 1.5rem;
  margin-top: 0.2rem;
  fill: none;
  stroke: var(--color-verified);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.data-boundary {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.data-boundary div { min-width: 0; }
.data-boundary span,
.data-boundary strong { display: block; }
.data-boundary span { color: var(--color-signal); font-size: 0.75rem; }

.data-boundary strong {
  overflow-wrap: anywhere;
  color: var(--color-ink-muted);
  font-size: 0.8rem;
  font-weight: 450;
}

.data-boundary svg {
  width: 3rem;
  fill: none;
  stroke: var(--color-signal);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
  transform: rotate(90deg);
}

.providers-layout > div { max-width: 48rem; }

.provider-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-line);
  list-style: none;
}

.provider-list li {
  min-height: 5.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.provider-list strong {
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 550;
}

.provider-list small {
  grid-column: 2;
  color: var(--color-ink-muted);
  text-align: right;
}

.pilot {
  padding-block: var(--space-24);
  background: var(--color-signal-strong);
  color: var(--color-on-signal);
}

.pilot h2,
.pilot p,
.pilot li { color: var(--color-on-signal); }
.pilot-context { color: var(--color-on-signal); }
.pilot :focus-visible { outline-color: var(--color-on-signal); }

.pilot-layout {
  display: grid;
  gap: var(--space-12);
}

.pilot-layout > div:first-child > p:last-child {
  max-width: 62ch;
}

.pilot-offer {
  padding-top: var(--space-8);
  border-top: 1px solid oklch(14% 0.035 258 / 0.36);
}

.pilot-price {
  margin-bottom: var(--space-6);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 650;
  line-height: 1;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
}

.pilot-price span { font-size: 1rem; font-weight: 450; letter-spacing: 0; }

.pilot-offer ul {
  margin: 0 0 var(--space-8);
  padding-left: 1.25rem;
}

.pilot-offer li + li { margin-top: var(--space-2); }

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

.faq-list summary {
  min-height: 4.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--color-ink);
  font-size: 1.05rem;
  font-weight: 500;
  list-style: none;
  cursor: pointer;
}

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

.faq-list summary::after {
  width: 1.25rem;
  height: 1.25rem;
  flex: 0 0 auto;
  background:
    linear-gradient(var(--color-signal), var(--color-signal)) center / 100% 1px no-repeat,
    linear-gradient(var(--color-signal), var(--color-signal)) center / 1px 100% no-repeat;
  content: "";
  transition: transform 240ms var(--ease-out-quint);
}

.faq-list details[open] summary::after { transform: rotate(45deg); }

.faq-list details > p,
.faq-answer {
  max-width: 66ch;
  padding: 0 3rem var(--space-6) 0;
  color: var(--color-ink-muted);
}

.faq-answer p {
  margin-bottom: 0;
  padding: 0;
  color: inherit;
}

.faq-format-list {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: var(--space-3);
}

.faq-format-list li { overflow-wrap: anywhere; }

.faq-format-list strong {
  color: var(--color-ink);
  font-weight: 500;
}

.faq-format-list + p { margin-top: var(--space-4); }

.final-cta {
  border-top: 1px solid var(--color-line-soft);
  text-align: center;
}

.final-cta-layout {
  display: grid;
  justify-items: center;
}

.final-cta h2 { max-width: 21ch; }

.final-cta > .container > p:not(.signal-label) {
  max-width: 58ch;
  margin-bottom: var(--space-8);
  color: var(--color-ink-muted);
}

.site-footer {
  padding-block: var(--space-8) calc(var(--space-8) + var(--safe-bottom));
  border-top: 1px solid var(--color-line-soft);
}

.footer-layout {
  display: grid;
  gap: var(--space-4);
  align-items: center;
  color: var(--color-ink-muted);
  font-size: 0.84rem;
}

.footer-layout p { margin: 0; }

.contact-dialog {
  width: min(calc(100% - 2rem - var(--safe-inline-max) - var(--safe-inline-max)), 34rem);
  max-height: calc(100dvh - 2rem - var(--safe-block-max) - var(--safe-block-max));
  padding: 0;
  overflow: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-ink);
}

.contact-dialog::backdrop {
  background: oklch(6% 0.015 258 / 0.82);
  backdrop-filter: blur(0.4rem);
}

.contact-dialog form { position: relative; padding: var(--space-8); }
.contact-dialog img { margin-bottom: var(--space-6); }

.contact-dialog h2 {
  margin-bottom: var(--space-4);
  font-size: clamp(1.8rem, 6vw, 2.6rem);
}

.contact-dialog p:not(.dialog-context) { color: var(--color-ink-muted); }
.dialog-context { margin-bottom: var(--space-3); }

.dialog-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
  color: var(--color-ink);
}

.dialog-close svg {
  width: 1.2rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.7;
}

.error-page {
  width: min(calc(100% - 2.5rem), 52rem);
  min-height: 100svh;
  margin-inline: auto;
  display: grid;
  align-content: center;
  justify-items: start;
  padding-block: calc(var(--space-16) + var(--safe-top)) calc(var(--space-16) + var(--safe-bottom));
}

.error-page .brand { margin-bottom: var(--space-16); }

.error-page h1 {
  max-width: 10ch;
  margin-bottom: var(--space-6);
  font-size: clamp(3rem, 9vw, 5.5rem);
}

.error-page > p:not(.signal-label) {
  max-width: 58ch;
  margin-bottom: var(--space-8);
  color: var(--color-ink-muted);
}

@keyframes signal-pulse {
  from { opacity: 0.8; transform: scale(0.45); }
  to { opacity: 0; transform: scale(1.8); }
}

@keyframes radar-sweep {
  to { transform: rotate(1turn); }
}

@keyframes trace-route {
  to { stroke-dashoffset: 0; }
}

@keyframes hero-copy-in {
  from { opacity: 0.72; transform: translateY(1.25rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes hero-demo-in {
  from {
    opacity: 0.72;
    transform: translateY(1.75rem) scale(0.985);
    filter: blur(0.35rem);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@media (min-width: 43.75rem) {
  .container { width: min(calc(100% - 4rem), 80rem); }

  .hero {
    padding-block: calc(var(--safe-top) + var(--header-height) + var(--space-16)) var(--space-16);
  }

  .hero .signal-label { margin-bottom: var(--space-6); }

  .hero h1 {
    max-width: 12.5ch;
    margin-bottom: var(--space-8);
    font-size: clamp(3.5rem, 7vw, 4.75rem);
    line-height: 0.99;
  }

  .hero-lead { margin-bottom: var(--space-8); }

  .demo-toolbar {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: var(--space-6);
  }

  .demo-panel { padding: var(--space-6); }

  .demo-body {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: center;
  }

  .wide-photo,
  .wide-photo img { min-height: 24rem; }

  .security-photo,
  .security-photo img { min-height: 30rem; }

  .problem-heading {
    grid-template-columns: minmax(0, 1.25fr) minmax(17rem, 0.75fr);
  }

  .problem-heading .section-context,
  .problem-heading h2 { grid-column: 1; }

  .problem-heading > p:last-child {
    grid-column: 2;
    grid-row: 2;
    align-self: end;
  }

  .section-intro,
  .evidence-layout,
  .faq-layout {
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.8fr);
    align-items: start;
  }

  .confidence-list > div {
    grid-template-columns: minmax(0, 7rem) minmax(0, 1fr);
    align-items: center;
  }

  .data-boundary {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
  }

  .data-boundary svg { transform: none; }

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

@media (min-width: 65rem) {
  .menu-toggle { display: none; }

  .primary-nav {
    position: static;
    margin-left: auto;
    display: flex;
    gap: var(--space-1);
    padding: 0;
    border: 0;
    background: transparent;
  }

  .primary-nav a {
    padding-inline: var(--space-3);
    white-space: nowrap;
  }
  .button.nav-cta { display: inline-flex; }

  .hero-layout {
    grid-template-columns: minmax(24rem, 1fr) minmax(34rem, 1fr);
    gap: var(--space-8);
    align-items: center;
  }

  .hero h1 { font-size: clamp(4rem, 5vw, 4.75rem); }

  .hero-copy { animation: hero-copy-in 800ms var(--ease-out-expo) both; }
  .impact-demo { animation: hero-demo-in 900ms 100ms var(--ease-out-expo) both; }

  .workflow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-6);
  }

  .workflow-list::before {
    top: 1.5rem;
    right: 1.5rem;
    bottom: auto;
    left: 1.5rem;
    width: auto;
    height: 1px;
    transform: scaleX(0);
    transform-origin: left;
  }

  .workflow[data-active="true"] .workflow-list::before { transform: scaleX(1); }

  .workflow-list li {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .security-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: stretch;
  }

  .providers-layout {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  }

  .pilot-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(24rem, 0.75fr);
    align-items: end;
  }

  .pilot-offer {
    padding: 0 0 0 var(--space-12);
    border-top: 0;
    border-left: 1px solid oklch(14% 0.035 258 / 0.36);
  }
}

@media (min-width: 75rem) {
  .container { width: min(calc(100% - 8rem), 80rem); }

  .problem,
  .workflow,
  .evidence,
  .security,
  .providers,
  .faq,
  .final-cta,
  .pilot { padding-block: var(--space-32); }
}

@media (hover: hover) and (pointer: fine) {
  .trace-item {
    transition: border-color 180ms ease, background-color 180ms ease;
  }

  .trace-item:hover {
    border-color: var(--color-signal);
    background: var(--color-surface-raised);
  }

  .provider-list li {
    transition: color 180ms ease;
  }

  .provider-list li:hover {
    color: var(--color-signal);
  }
}

@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;
  }

  .route-active { stroke-dashoffset: 0; }
  .radar-sweep { display: none; }
}

@supports not (color: oklch(50% 0.1 250)) {
  :root {
    --color-bg: #090d13;
    --color-bg-soft: #0f141d;
    --color-surface: #151d28;
    --color-surface-raised: #202b39;
    --color-ink: #edf3fa;
    --color-ink-muted: #a4b0c0;
    --color-line: #405069;
    --color-line-soft: #2b3748;
    --color-signal: #6fa8ff;
    --color-signal-strong: #4c8ef5;
    --color-signal-deep: #1c3d68;
    --color-risk: #f2a33a;
    --color-critical: #f35b5b;
    --color-verified: #67c992;
    --color-on-signal: #0c1624;
  }
}