:root {
  --sc-canvas: #0b1014;
  --sc-surface: #151c21;
  --sc-ink: #e6eae8;
  --sc-ink-soft: #9aa7a9;
  --sc-accent: #6ea8b0;
  --sc-accent-ink: #081012;
  --sc-font-display: "Outfit", system-ui, sans-serif;
  --sc-font-text: "IBM Plex Sans", system-ui, sans-serif;
  --sc-section: clamp(4.5rem, 8vw, 9rem);
  --sc-gutter: clamp(1.25rem, 5vw, 5.5rem);
  --sc-maxw: 82rem;
  --line: color-mix(in oklab, var(--sc-ink) 12%, transparent);
  --line-strong: color-mix(in oklab, var(--sc-ink) 22%, transparent);
  --header-height: 4.5rem;
}

html {
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  min-width: 320px;
  background: var(--sc-canvas);
  color: var(--sc-ink);
  font-family: var(--sc-font-text);
  font-size: var(--sc-t-base);
  line-height: var(--sc-leading-body);
  overflow-x: clip;
}

h1, h2, h3 {
  margin: 0;
  font-family: var(--sc-font-display);
  font-weight: 500;
  letter-spacing: var(--sc-track-tight);
  text-wrap: balance;
}

p, figure, ul, ol { margin: 0; }

a { color: inherit; text-underline-offset: 0.22em; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--sc-accent);
  outline-offset: 4px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  transform: translateY(-180%);
  border: 1px solid var(--line-strong);
  background: var(--sc-surface);
}
.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  gap: 1.25rem;
  padding-inline: var(--sc-gutter);
  border-bottom: 1px solid var(--line);
  background: var(--sc-canvas);
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  color: var(--sc-ink);
  font-family: var(--sc-font-display);
  font-size: 1.12rem;
  font-weight: 650;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.wordmark i {
  margin-left: 0.12em;
  color: var(--sc-ink-soft);
  font-size: 0.68em;
  font-style: normal;
  font-weight: 450;
}

.desktop-nav {
  display: flex;
  gap: clamp(1rem, 2.2vw, 2.2rem);
  margin-left: auto;
}
.desktop-nav a,
.mobile-nav a {
  color: var(--sc-ink-soft);
  font-size: 0.84rem;
  text-decoration: none;
  transition: color 140ms var(--sc-ease-out);
}
.desktop-nav a:hover,
.mobile-nav a:hover { color: var(--sc-accent); }

.header-cta {
  display: inline-flex;
  min-height: 2.6rem;
  align-items: center;
  padding: 0.4rem 0.9rem;
  border: 1px solid color-mix(in oklab, var(--sc-accent) 55%, transparent);
  color: var(--sc-ink);
  font-size: 0.82rem;
  text-decoration: none;
  transition: background-color 140ms var(--sc-ease-out), border-color 140ms var(--sc-ease-out);
}
.header-cta:hover {
  border-color: var(--sc-accent);
  background: color-mix(in oklab, var(--sc-accent) 12%, transparent);
}

.mobile-nav { display: none; position: relative; }
.mobile-nav summary {
  display: grid;
  place-items: center;
  min-width: 2.6rem;
  min-height: 2.6rem;
  cursor: pointer;
  list-style: none;
}
.mobile-nav summary::-webkit-details-marker { display: none; }
.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 1.1rem;
  height: 1px;
  background: var(--sc-accent);
}
.menu-icon { position: relative; }
.menu-icon::before,
.menu-icon::after {
  position: absolute;
  left: 0;
  content: "";
}
.menu-icon::before { top: -0.32rem; }
.menu-icon::after { top: 0.32rem; }
.mobile-nav nav {
  position: absolute;
  top: calc(100% + 0.6rem);
  right: 0;
  display: grid;
  min-width: 14rem;
  padding: 0.5rem;
  border: 1px solid var(--line-strong);
  background: var(--sc-surface);
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--sc-accent);
  background: transparent;
  color: var(--sc-ink);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out), transform 140ms var(--sc-ease-out);
}
.button:hover {
  background: var(--sc-accent);
  color: var(--sc-accent-ink);
}
.button:active { transform: translateY(1px); }
.button--primary { background: color-mix(in oklab, var(--sc-accent) 16%, transparent); }

.text-link {
  display: inline-flex;
  min-height: 2.6rem;
  align-items: center;
  color: var(--sc-ink-soft);
  font-size: 0.88rem;
  text-decoration: none;
}
.text-link:hover { color: var(--sc-accent); }

.hero-stage .sc-stage__poster,
.hero-stage video[data-sc-scrub] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-scrim {
  position: absolute;
  inset: 0 35% 0 0;
  background: linear-gradient(90deg, rgb(11 16 20 / 90%) 0%, rgb(11 16 20 / 55%) 58%, transparent 100%);
  pointer-events: none;
}
.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 34rem;
  padding: clamp(5rem, 12vh, 8rem) var(--sc-gutter) 4rem;
}
.hero h1 {
  margin-bottom: 1.1rem;
  font-size: var(--sc-t-2xl);
  line-height: 1.02;
}
.hero-lede {
  max-width: 36rem;
  margin-bottom: 1.6rem;
  color: #c5cfcd;
  font-size: var(--sc-t-lg);
  text-wrap: pretty;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
  align-items: center;
}
.hero-note {
  max-width: 32rem;
  margin-top: 1.25rem;
  color: var(--sc-ink-soft);
  font-size: var(--sc-t-sm);
}
.hero-plate {
  position: absolute;
  z-index: 2;
  right: 4.5rem;
  bottom: 8rem;
  width: 20rem;
  max-width: 34vw;
  margin: 0;
  pointer-events: none;
}
.hero-plate img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 18px 40px rgb(0 0 0 / 45%));
}

.purpose { background: #101619; }
.purpose-stage {
  display: grid;
  align-content: center;
  gap: 1.4rem;
  padding: 4rem var(--sc-gutter);
  max-width: 52rem;
}
.purpose-kicker {
  color: var(--sc-accent);
  font-size: var(--sc-t-lg);
  max-width: 38rem;
}
.purpose h2 {
  font-size: var(--sc-t-xl);
  line-height: 1.08;
}
.purpose-body {
  max-width: 42rem;
  color: var(--sc-ink-soft);
  text-wrap: pretty;
}

.quiet-stage .sc-stage__poster,
.quiet-stage video[data-sc-scrub] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.quiet-stage {
  display: grid;
  place-items: center;
}
.quiet-scrim {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  width: min(42rem, calc(100% - 2rem));
  height: 15.5rem;
  transform: translate(-50%, -46%);
  background: rgb(11 16 20 / 94%);
  pointer-events: none;
}
.quiet-stage p {
  position: relative;
  z-index: 2;
  max-width: 28rem;
  margin: 0;
  padding: 0 var(--sc-gutter);
  text-align: center;
  font-family: var(--sc-font-display);
  font-size: var(--sc-t-xl);
  line-height: 1.2;
}

.bridge { background: #0c1216; }
.bridge-stage {
  display: grid;
  align-content: start;
  gap: 0.7rem;
  box-sizing: border-box;
  padding: calc(var(--header-height) + 1.1rem) var(--sc-gutter) 1rem;
}
.bridge-copy { max-width: 46rem; }
.bridge-copy h2 {
  margin-bottom: 0.8rem;
  font-size: var(--sc-t-xl);
}
.bridge-copy p {
  max-width: 42rem;
  color: var(--sc-ink-soft);
}

.route-lab {
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--sc-surface) 92%, black);
  padding: 1rem 1.25rem 1.1rem;
}
.helix {
  display: block;
  width: 100%;
  height: clamp(128px, 22vh, 200px);
}
.helix-strands { transform-box: fill-box; transform-origin: center; }
.js .helix-strands {
  transform: scaleY(calc(1 - var(--sc-p, 0) * 0.88));
  opacity: calc(1 - var(--sc-p, 0) * 0.72);
}
.js .helix-rungs { opacity: calc(0.35 * (1 - var(--sc-p, 0))); }
.js .routes { opacity: 1; }
.route-line {
  stroke: #8aa3a6;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  opacity: 0.35;
  transition: opacity 180ms var(--sc-ease-out), stroke 180ms var(--sc-ease-out);
}
.js .route-line {
  stroke-dashoffset: calc(1 - var(--sc-p, 0));
  opacity: calc(0.28 + var(--sc-p, 0) * 0.5);
}
.route-lab[data-active-route="domain"] .route-line[data-route-line="domain"],
.route-lab[data-active-route="ens"] .route-line[data-route-line="ens"],
.route-lab[data-active-route="handshake"] .route-line[data-route-line="handshake"],
.route-lab[data-active-route="arns"] .route-line[data-route-line="arns"],
.route-lab[data-active-route="identity"] .route-line[data-route-line="identity"] {
  stroke: var(--sc-accent);
  stroke-dashoffset: 0;
  opacity: 1;
}
html:not(.js) .route-line { stroke-dashoffset: 0; opacity: 0.55; }
html:not(.js) .helix-strands { transform: none; }

.map-poles {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  margin: 0.35rem 0 0.9rem;
  color: var(--sc-ink-soft);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.map-poles span:last-child { text-align: right; }
.map-poles span:nth-child(2) { text-align: center; }

.route-controls {
  display: none;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}
.js .route-controls { display: flex; }
.route-controls button {
  min-height: 2.5rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--sc-ink-soft);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: border-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out);
}
.route-controls button[aria-checked="true"] {
  border-color: var(--sc-accent);
  color: var(--sc-ink);
}

.route-readout {
  min-height: 2.6rem;
  margin-bottom: 0.6rem;
  color: #d5dddb;
  font-size: 0.92rem;
}

.route-static details {
  border-top: 1px solid var(--line);
  padding: 0.35rem 0;
}
.route-static summary {
  cursor: pointer;
  list-style: none;
  min-height: 2.6rem;
  display: flex;
  align-items: center;
  font-size: 0.92rem;
}
.route-static summary::-webkit-details-marker { display: none; }
.route-static ol {
  padding: 0 0 0.7rem 1.1rem;
  color: var(--sc-ink-soft);
  font-size: 0.86rem;
}
.route-caveat {
  margin-top: 0.6rem;
  color: var(--sc-ink-soft);
  font-size: 0.75rem;
}

.choices { background: #101619; }
.choice-rail {
  display: flex;
  gap: 1.25rem;
  width: max-content;
  padding: 4rem var(--sc-gutter);
  align-items: stretch;
}
.choice-card {
  flex: 0 0 auto;
  width: min(26rem, 70vw);
  min-height: 18rem;
  padding: 1.6rem 1.5rem;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--sc-surface) 80%, black);
}
.choice-card h2,
.choice-card h3 {
  margin-bottom: 0.8rem;
  font-size: var(--sc-t-lg);
  line-height: 1.15;
}
.choice-card p { color: var(--sc-ink-soft); max-width: 36rem; }
.choice-card--lead { width: min(30rem, 78vw); }
.choice-card--end { display: grid; align-content: center; }

.trust {
  position: relative;
  display: grid;
  gap: 1.6rem;
  padding: var(--sc-section) var(--sc-gutter);
  background: #0d1316;
  overflow: hidden;
}
.trust-media {
  position: absolute;
  inset: 0 0 0 42%;
  pointer-events: none;
}
.trust-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mask-image: linear-gradient(90deg, transparent, #000 28%);
}
.trust-intro,
.commitments,
.promo {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}
.trust h2 {
  margin-bottom: 0.8rem;
  font-size: var(--sc-t-xl);
}
.trust-intro p { color: var(--sc-ink-soft); }
.status-line {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  margin-top: 1rem;
  font-size: 0.88rem;
}
.status-light {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--sc-accent);
}
.commitments {
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--line);
}
.commitments li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  max-width: 40rem;
  color: var(--sc-ink-soft);
}
.commitments b { color: var(--sc-ink); }
.promo { margin-top: 1.2rem; max-width: 28rem; }
.promo video {
  width: 100%;
  height: auto;
  display: block;
  background: #080b0c;
}
.promo figcaption {
  margin-top: 0.5rem;
  color: var(--sc-ink-soft);
  font-size: 0.75rem;
}

.project { background: #0b1014; }
.project-ground {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.project-scrim {
  position: absolute;
  inset: 0 20% 0 0;
  background: linear-gradient(90deg, rgb(11 16 20 / 88%), transparent);
  pointer-events: none;
}
.project-stage {
  box-sizing: border-box;
  padding-top: calc(var(--header-height) + 1.25rem);
}
.project-panel {
  position: relative;
  z-index: 2;
  max-width: 40rem;
  margin: 0 var(--sc-gutter) 1.5rem;
  padding: 1.6rem 1.5rem 1.4rem;
  border: 1px solid var(--line-strong);
  background: #10161a;
}
.project-panel h2 {
  margin-bottom: 0.9rem;
  font-size: var(--sc-t-xl);
}
.project-panel > p {
  margin-bottom: 1.4rem;
  color: var(--sc-ink-soft);
}
.project-dir {
  list-style: none;
  padding: 0;
  margin-bottom: 1.4rem;
}
.project-dir li {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}
.project-dir span { color: var(--sc-ink-soft); font-size: 0.88rem; }
.project-dir a { color: var(--sc-accent); }

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem var(--sc-gutter);
  border-top: 1px solid var(--line);
  color: var(--sc-ink-soft);
  font-size: 0.78rem;
}

html:not(.js) [data-sc-in],
html:not(.js) [data-sc-stagger] > *,
html:not(.js) [data-sc-cue] {
  opacity: 1;
  transform: none;
}

@media (max-width: 860px) {
  .desktop-nav, .header-cta { display: none; }
  .mobile-nav { display: block; margin-left: auto; }

  .hero-copy {
    max-width: 38rem;
    padding-top: 3.2rem;
    padding-bottom: 1.5rem;
  }
  .hero-scrim {
    inset: 0;
    background: linear-gradient(180deg, rgb(11 16 20 / 86%) 0%, rgb(11 16 20 / 42%) 55%, transparent 100%);
  }
  .hero-plate {
    position: relative;
    right: auto;
    bottom: auto;
    width: min(100% - 2rem, 22rem);
    max-width: none;
    margin: 0 auto 2rem;
  }
  .quiet-scrim {
    width: calc(100% - 1.5rem);
    height: 13rem;
  }
  .bridge-stage { gap: 0.55rem; }
  .helix { height: clamp(112px, 18vh, 160px); }
  .project-stage { padding-top: calc(var(--header-height) + 0.7rem); }
  .project-panel {
    margin-inline: 0.8rem;
    padding: 0.9rem 0.9rem 0.75rem;
  }
  .project-panel h2 { font-size: var(--sc-t-lg); }
  .project-panel > p { margin-bottom: 0.7rem; }
  .project-dir { margin-bottom: 0.8rem; }
  .project-dir li { padding: 0.45rem 0; }
  .trust-media { display: none; }
  .quiet-stage p { font-size: var(--sc-t-lg); }

  .choices [data-sc-stage] {
    position: relative !important;
    height: auto !important;
  }
  .choice-rail {
    width: 100%;
    flex-direction: column;
    transform: none !important;
    padding: 2.5rem var(--sc-gutter);
  }
  .choice-card,
  .choice-card--lead {
    width: 100%;
    min-height: 0;
  }
}

@media (max-width: 540px) {
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
  .route-controls button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .helix-strands { transform: none; opacity: 0.8; }
  .js .helix-rungs { opacity: 0.2; }
  .js .routes { opacity: 1; }
  .js .route-line,
  .route-line { stroke-dashoffset: 0; opacity: 0.7; }
  .button:hover { transform: none; }
}