:root {
  color-scheme: light;
  --ink: #111412;
  --ink-soft: #303832;
  --paper: #f8f6ef;
  --paper-alt: #eeeadf;
  --line: #d7d0c0;
  --white: #ffffff;
  --forest: #214237;
  --moss: #63735f;
  --copper: #a6532f;
  --clay: #c9835a;
  --steel: #3f5f72;
  --shadow: 0 18px 60px rgba(20, 24, 22, 0.14);
  --radius: 8px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-150%);
  background: var(--white);
  color: var(--ink);
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
  padding: 0 28px;
  color: var(--white);
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.site-header.is-scrolled {
  background: rgba(248, 246, 239, 0.96);
  color: var(--ink);
  border-bottom-color: var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  color-scheme: dark;
}

.site-header.is-scrolled .brand-mark {
  color-scheme: light;
}

.brand-name {
  font-size: 1.05rem;
}

.site-nav {
  display: flex;
  gap: 1.35rem;
  align-items: center;
  font-size: 0.95rem;
}

.site-nav a,
.footer-links a {
  text-decoration: none;
}

.site-nav a:hover,
.footer-links a:hover {
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.nav-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}

.nav-action {
  border: 1px solid currentColor;
  padding: 0 1rem;
  font-size: 0.9rem;
}

.button {
  padding: 0.82rem 1.05rem;
}

.button-primary {
  background: var(--copper);
  color: var(--white);
  border: 1px solid var(--copper);
}

.button-primary:hover {
  background: #8d4328;
}

.button-secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.72);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero {
  position: relative;
  min-height: min(820px, 88svh);
  display: grid;
  align-items: center;
  overflow: hidden;
  background: #101412;
  color: var(--white);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background: rgba(9, 12, 10, 0.58);
}

.hero-content {
  position: relative;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding-top: 72px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 0.9rem;
  color: var(--clay);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(4rem, 10vw, 8.25rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin: 1.35rem 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 150px));
  gap: 1rem;
  max-width: 560px;
  margin: 3.25rem 0 0;
}

.hero-metrics div {
  border-top: 1px solid rgba(255, 255, 255, 0.42);
  padding-top: 0.9rem;
}

.hero-metrics dt {
  font-size: 1.5rem;
  font-weight: 800;
}

.hero-metrics dd {
  margin: 0.15rem 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.9rem;
}

.proof-band {
  background: var(--forest);
  color: var(--white);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.proof-inner {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.2rem;
  padding: 1rem 0;
  font-size: 0.92rem;
}

.proof-inner span {
  color: rgba(255, 255, 255, 0.82);
}

.section {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 88px 0;
}

.split-section {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 2rem;
}

.section-heading {
  grid-column: 2;
  max-width: 820px;
}

.section-heading h2,
.governance-layout h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading p,
.governance-layout > div > p,
.final-cta p {
  margin: 1rem 0 0;
  max-width: 720px;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.feature-grid {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.feature-card,
.principle-list article,
.roadmap li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
}

.feature-card {
  min-height: 220px;
  padding: 1.25rem;
}

.feature-card h3,
.principle-list h3 {
  margin: 0;
  font-size: 1.15rem;
}

.feature-card p,
.principle-list p,
.roadmap p {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
}

.architecture-section {
  border-top: 1px solid var(--line);
}

.architecture-map {
  display: grid;
  gap: 0.65rem;
  margin-top: 2rem;
}

.layer {
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) 1fr;
  align-items: center;
  min-height: 82px;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
}

.layer span {
  color: var(--copper);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.layer strong {
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  line-height: 1.1;
}

.layer-edge {
  border-left: 8px solid var(--steel);
}

.layer-app {
  border-left: 8px solid var(--forest);
}

.layer-domain {
  border-left: 8px solid var(--copper);
}

.layer-data {
  border-left: 8px solid var(--moss);
}

.layer-derived {
  border-left: 8px solid var(--clay);
}

.governance-section {
  width: 100%;
  max-width: none;
  background: var(--ink);
  color: var(--white);
  padding: 92px 0;
}

.governance-layout {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
}

.governance-layout > div > p {
  color: rgba(255, 255, 255, 0.76);
}

.principle-list {
  display: grid;
  gap: 0.9rem;
}

.principle-list article {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
  padding: 1.1rem;
}

.principle-list span {
  display: inline-block;
  color: var(--clay);
  font-weight: 800;
  margin-bottom: 0.7rem;
}

.principle-list p {
  color: rgba(255, 255, 255, 0.74);
}

.roadmap {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.roadmap li {
  padding: 1.1rem;
  min-height: 240px;
}

.roadmap span {
  color: var(--copper);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.roadmap strong {
  display: block;
  margin-top: 0.75rem;
  font-size: 1.25rem;
}

.final-cta {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto 88px;
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.final-cta h2 {
  font-size: clamp(2rem, 4vw, 4rem);
}

.final-cta p {
  max-width: 680px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.site-footer div:first-child {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

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

.footer-links {
  display: flex;
  gap: 1rem;
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
    padding: 0 20px;
  }

  .site-nav {
    display: none;
  }

  .nav-action {
    display: none;
  }

  .hero {
    min-height: 86svh;
  }

  .hero-content,
  .proof-inner,
  .section,
  .governance-layout,
  .final-cta,
  .site-footer {
    width: min(100% - 32px, var(--max));
  }

  .hero-metrics,
  .feature-grid,
  .roadmap,
  .governance-layout,
  .split-section {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .feature-grid {
    grid-column: auto;
  }

  .feature-card,
  .roadmap li {
    min-height: auto;
  }

  .layer {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .final-cta,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .brand-name {
    display: none;
  }

  .hero-content {
    padding-top: 86px;
  }

  .hero h1 {
    font-size: 4rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    margin-top: 2rem;
  }

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

  .button {
    width: 100%;
  }

  .section {
    padding: 64px 0;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}