:root {
  color-scheme: light;
  --ink: #11110f;
  --muted: #68635c;
  --paper: #fffdfa;
  --soft: #f8f6f1;
  --line: rgba(17, 17, 15, 0.1);
  --line-strong: rgba(17, 17, 15, 0.18);
  --orange: #ff4a1f;
  --orange-2: #ffb15f;
  --shadow: 0 34px 90px rgba(54, 28, 13, 0.15);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background:
    radial-gradient(circle at 4% 3%, rgba(255, 205, 143, 0.9), transparent 28%),
    radial-gradient(circle at 92% 12%, rgba(255, 228, 187, 0.86), transparent 30%),
    linear-gradient(135deg, #ffb86c 0%, #ff4a24 34%, #ff1300 62%, #ffdca4 100%);
  color: var(--ink);
  scroll-behavior: smooth;
  letter-spacing: 0;
}

body {
  margin: 0;
  min-height: 100dvh;
  overflow-x: hidden;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.45;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid rgba(17, 17, 15, 0.5);
  outline-offset: 3px;
}

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

.site-header,
main,
.footer {
  width: min(1440px, calc(100% - 72px));
  margin-right: auto;
  margin-left: auto;
  background: var(--paper);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  margin-top: 56px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 250, 0.9);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  padding: 0 64px;
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  font-size: 25px;
  font-weight: 780;
  letter-spacing: -0.035em;
}

.nav-links {
  gap: 28px;
  color: rgba(17, 17, 15, 0.72);
  font-size: 14px;
  font-weight: 520;
}

.nav-links a::before {
  content: "•";
  margin-right: 16px;
  color: var(--ink);
}

.nav-links a:first-child::before,
.nav-links .nav-cta::before {
  content: none;
  margin: 0;
}

.nav-cta,
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: #11110f;
  color: #fffdfa;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 720;
  box-shadow: 0 14px 28px rgba(17, 17, 15, 0.14);
}

.button:not(.primary) {
  border-color: var(--line);
  background: #f1f0ed;
  color: var(--ink);
  box-shadow: none;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.9), transparent 26%),
    radial-gradient(circle at 30% 80%, rgba(255, 210, 145, 0.65), transparent 28%),
    linear-gradient(135deg, #fff7e8 0%, #ffb069 38%, #ff3b22 78%, #ff1a00 100%);
}

.hero-inner {
  display: grid;
  min-height: 610px;
  align-content: center;
  width: min(1180px, calc(100% - 72px));
  margin: 0 auto;
  padding: 88px 0;
}

.hero-inner::after {
  content: "";
  position: absolute;
  right: max(64px, calc((100% - 1180px) / 2));
  bottom: 80px;
  width: 360px;
  height: 220px;
  border: 1px solid rgba(17, 17, 15, 0.06);
  background:
    linear-gradient(90deg, #ff1f05 0 62%, #f1f0ed 62%),
    #fffdfa;
  box-shadow: 0 30px 80px rgba(75, 24, 9, 0.16);
}

.hero-inner::before {
  content: "Roadmap";
  position: absolute;
  right: max(100px, calc((100% - 1120px) / 2));
  bottom: 244px;
  z-index: 1;
  color: var(--ink);
  font-size: 18px;
  font-weight: 780;
}

.eyebrow,
.section-kicker,
.package-label {
  color: #e95a1f;
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.section-heading {
  max-width: 760px;
  margin-top: 18px;
  font-size: clamp(42px, 5.3vw, 76px);
  font-weight: 780;
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.hero p:not(.eyebrow),
.section-lede {
  max-width: 640px;
  margin-top: 22px;
  color: rgba(17, 17, 15, 0.72);
  font-size: 20px;
  line-height: 1.38;
}

.hero-support {
  max-width: 620px;
  margin-top: 14px !important;
  color: rgba(17, 17, 15, 0.58) !important;
  font-size: 17px !important;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.section {
  width: min(1180px, calc(100% - 72px));
  margin: 0 auto;
  padding: 92px 0;
}

.compact-section {
  padding-top: 48px;
}

.section-heading {
  max-width: 860px;
  color: var(--ink);
  font-size: clamp(36px, 4.2vw, 60px);
}

.section-lede {
  color: var(--muted);
  font-size: 18px;
}

.grid,
.track-grid,
.security-layers,
.operating-layer-grid,
.boundary-grid,
.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 42px;
}

.service-detail-grid,
.boundary-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.track-grid,
.security-layers {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.track-card,
.layer-card,
.flow-step,
.report-panel,
.cta-panel {
  border: 1px solid var(--line);
  background: #f8f6f1;
  padding: 28px;
}

.card.dark,
.track-card.dark,
.layer-card.dark {
  background: #11110f;
  color: #fffdfa;
}

.card h3,
.track-card h3,
.layer-card h3 {
  margin-top: 20px;
  font-size: 27px;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.card p,
.track-card p,
.layer-card p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
}

.card.dark p,
.track-card.dark p,
.layer-card.dark p {
  color: rgba(255, 253, 250, 0.66);
}

.track-card span,
.layer-card span {
  display: block;
  color: #e95a1f;
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.layer-card span:first-child {
  color: rgba(17, 17, 15, 0.4);
  font-size: 13px;
}

.layer-card.dark span:first-child {
  color: rgba(255, 253, 250, 0.48);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.pill-row span {
  border: 1px solid var(--line);
  background: #fffdfa;
  padding: 7px 10px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 720;
}

.dark .pill-row span {
  border-color: rgba(255, 253, 250, 0.16);
  background: rgba(255, 253, 250, 0.08);
  color: #fffdfa;
}

.system-flow,
.security-flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  margin-top: 42px;
}

.flow-step {
  min-height: 150px;
}

.flow-step span {
  color: #e95a1f;
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.flow-step strong {
  display: block;
  margin-top: 20px;
  font-size: 17px;
  line-height: 1.18;
}

.accordion {
  margin-top: 42px;
}

details {
  border: 1px solid var(--line);
  background: #fffdfa;
}

details + details {
  margin-top: 10px;
}

summary {
  cursor: pointer;
  padding: 26px 30px;
  font-size: 24px;
  font-weight: 760;
  letter-spacing: -0.04em;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  float: right;
  font-weight: 760;
}

details[open] summary::after {
  content: "-";
}

.details-body {
  border-top: 1px solid var(--line);
  padding: 0 30px 30px;
}

.list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.list li {
  position: relative;
  margin-top: 10px;
  padding-left: 22px;
}

.list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--ink);
  font-weight: 820;
}

.evidence-layout,
.audit-offer,
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 12px;
  margin-top: 42px;
}

.report-panel {
  background:
    radial-gradient(circle at 72% 20%, rgba(255, 255, 255, 0.9), transparent 26%),
    linear-gradient(135deg, #fff0d8, #ff8f43 45%, #ff2608);
}

.report-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-weight: 760;
}

.metric-grid,
.report-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.metric-grid div,
.report-list span {
  border: 1px solid rgba(17, 17, 15, 0.09);
  background: rgba(255, 253, 250, 0.88);
  padding: 16px;
}

.metric-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
}

.metric-grid strong {
  display: block;
  margin-top: 4px;
  font-size: 24px;
}

.note {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: #fffdfa;
  padding: 20px;
  color: var(--muted);
}

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

.cta-panel {
  background: #11110f;
  color: #fffdfa;
}

.cta-panel h2 {
  max-width: 850px;
  margin-top: 14px;
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1;
  letter-spacing: -0.055em;
}

.cta-panel p {
  max-width: 620px;
  margin-top: 18px;
  color: rgba(255, 253, 250, 0.68);
}

.footer {
  display: block;
  margin-bottom: 56px;
  border-top: 1px solid var(--line);
  padding: 34px 64px;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer a {
  color: var(--ink);
  font-weight: 720;
}

@media (max-width: 1120px) {
  .site-header,
  main,
  .footer {
    width: min(100% - 36px, 1100px);
  }

  .nav {
    padding: 0 28px;
  }

  .hero-inner::before,
  .hero-inner::after {
    display: none;
  }

  .grid,
  .track-grid,
  .security-layers,
  .operating-layer-grid,
  .boundary-grid,
  .service-detail-grid,
  .system-flow,
  .security-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header,
  main,
  .footer {
    width: 100%;
  }

  .site-header {
    margin-top: 0;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    min-height: auto;
    padding: 20px;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-links a::before {
    content: none;
  }

  .hero-inner,
  .section {
    width: calc(100% - 40px);
  }

  .hero-inner {
    min-height: auto;
    padding: 72px 0;
  }

  .grid,
  .track-grid,
  .security-layers,
  .operating-layer-grid,
  .boundary-grid,
  .service-detail-grid,
  .system-flow,
  .security-flow,
  .evidence-layout,
  .audit-offer,
  .split,
  .metric-grid,
  .report-list {
    grid-template-columns: 1fr;
  }

  .footer {
    margin-bottom: 0;
    padding: 28px 20px;
  }

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