:root {
  color-scheme: light;
  --color-bg: #F4F0E8;
  --color-surface: #FAF7F0;
  --color-surface-alt: #EAE2D4;
  --color-accent: #5B6C92;
  --color-accent-rgb: 91, 108, 146;
  --color-text: #15171C;
  --color-muted: #5D6470;
  --color-muted-strong: #434A55;
  --line: rgba(21, 23, 28, 0.11);
  --line-strong: rgba(21, 23, 28, 0.18);
  --accent-hero: #BFE8F2;
  --accent-hero-rgb: 191, 232, 242;
  --accent-eden: #8FBF9F;
  --accent-eden-rgb: 143, 191, 159;
  --accent-architecture: #D6A84F;
  --accent-architecture-rgb: 214, 168, 79;
  --accent-memory: #9B7CFF;
  --accent-memory-rgb: 155, 124, 255;
  --accent-trace: #6FB7D6;
  --accent-trace-rgb: 111, 183, 214;
  --accent-boundaries: #C5A86A;
  --accent-boundaries-rgb: 197, 168, 106;
  --accent-use-cases: #E9866A;
  --accent-use-cases-rgb: 233, 134, 106;
  --accent-research: #6676FF;
  --accent-research-rgb: 102, 118, 255;
  --accent-access: #4FC3B4;
  --accent-access-rgb: 79, 195, 180;
  --color-memory: var(--accent-memory);
  --color-gold: var(--accent-architecture);
  --color-sky: var(--accent-hero);
  --color-world: var(--accent-eden);
  --color-use: var(--accent-use-cases);
  --color-research: var(--accent-research);
  --color-engine-bg: #07101D;
  --color-engine-surface: #0D1726;
  --color-engine-text: #D7E3FF;
  --color-engine-muted: #A7B3C7;
  --color-engine-signal: var(--accent-architecture);
  --bg: var(--color-bg);
  --bg-elevated: var(--color-surface);
  --fg: var(--color-text);
  --muted: var(--color-muted);
  --muted-strong: var(--color-muted-strong);
  --accent: var(--color-accent);
  --accent-soft: rgba(var(--color-accent-rgb), 0.08);
  --accent-line: rgba(var(--color-accent-rgb), 0.3);
  --shadow: 0 16px 34px rgba(21, 23, 28, 0.08);
  --max-width: 1180px;
  --radius: 8px;
  --header-height: 72px;
  --trace-center-x: 50%;
  --trace-center-y: 41%;
  --font-heading: "Sora", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --font-sans: var(--font-body);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 76% 14%, rgba(var(--accent-hero-rgb), 0.16), transparent 24rem),
    radial-gradient(circle at 24% 72%, rgba(var(--accent-memory-rgb), 0.08), transparent 28rem),
    linear-gradient(180deg, var(--color-bg) 0%, #F6F1E8 56%, var(--color-surface) 100%);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(21, 23, 28, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 23, 28, 0.024) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.14), transparent 72%);
}

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

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

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

p {
  color: var(--muted);
}

h1,
h2,
h3,
.hero-title,
.section-title,
.orbital-hero__headline {
  font-family: var(--font-heading);
}

.eyebrow,
.section-kicker,
.chip,
.metric,
.code-label,
.hero-signals dt,
.product-spine__item span,
.section-trace__label,
.node-preview__tag,
.orbital-grid-item__tag,
.world-preview__timeline span,
.eden-sequence__steps span,
.eden-sequence__eyebrow,
.trace-proof__label,
.simulation-surface__header,
.simulation-map__labels,
.event-log,
.loop-step__index,
.artifact-card__meta,
.research-stack span,
.access-intro__eyebrow,
.access-channel__index,
.access-channel__link {
  font-family: var(--font-mono);
}

address {
  font-style: normal;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 20;
  transform: translateY(-160%);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  padding: 10px 14px;
  background: var(--color-surface);
  color: var(--accent);
  font-weight: 700;
  transition: transform 180ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 14px max(20px, calc((100vw - var(--max-width)) / 2));
  background: rgba(250, 247, 240, 0.84);
  backdrop-filter: blur(18px);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: max-content;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.site-brand__mark {
  width: 12px;
  height: 12px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--accent-soft);
  box-shadow: 0 0 12px rgba(91, 108, 146, 0.18);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(12px, 2vw, 26px);
  color: var(--muted);
  font-size: 0.86rem;
}

.site-nav a {
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--fg);
}

/* ===== ORBITAL HERO SECTION ===== */
.orbital-hero {
  --section-accent: var(--accent-hero);
  --section-accent-rgb: var(--accent-hero-rgb);
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
  justify-items: center;
  align-content: center;
  padding: clamp(44px, 6vw, 76px) max(20px, calc((100vw - var(--max-width)) / 2)) clamp(44px, 7vw, 84px);
  margin: 0 auto;
  overflow: hidden;
  isolation: isolate;
}

.orbital-hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 20%, rgba(var(--accent-hero-rgb), 0.22), transparent 18rem),
    radial-gradient(circle at 50% 34%, rgba(var(--accent-memory-rgb), 0.08), transparent 22rem);
  content: "";
}

.orbital-hero::after {
  position: absolute;
  left: 50%;
  bottom: 20px;
  width: min(540px, 56vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-line), transparent);
  transform: translateX(-50%);
  content: "";
}

.orbital-hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 760px;
  text-align: center;
}

.orbital-hero__content h1 {
  font-size: clamp(4rem, 12vw, 7.5rem);
  margin: 0;
  line-height: 0.88;
  color: var(--color-text);
}

.orbital-hero__headline {
  max-width: 620px;
  font-size: clamp(1.55rem, 3.6vw, 3.35rem);
  margin: 0;
  line-height: 1.04;
  color: var(--color-text);
  font-weight: 600;
}

.orbital-hero__subheadline {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  margin: 0;
  line-height: 1.6;
  color: var(--color-muted);
  max-width: 520px;
}

.orbital-hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 14px;
}

.orbital-hero__actions .button {
  min-width: 210px;
  min-height: 48px;
}

.hero-signals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  width: min(100%, 620px);
  margin: 14px 0 0;
}

.hero-signals div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 14px;
  background:
    linear-gradient(135deg, rgba(var(--accent-hero-rgb), 0.14), transparent 58%),
    rgba(250, 247, 240, 0.74);
  box-shadow: 0 16px 34px rgba(21, 23, 28, 0.06);
  backdrop-filter: blur(18px);
}

.hero-signals dt {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 6px;
  color: var(--color-accent);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-signals dt span {
  display: inline-grid;
  width: 24px;
  height: 20px;
  place-items: center;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--color-text);
  font-size: 0.66rem;
  letter-spacing: 0;
}

.hero-signals dd {
  margin: 0;
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.25;
}

/* Orbital Map Container */
.orbital-map {
  order: -1;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  width: min(100%, 760px);
  min-width: 0;
  padding-top: clamp(8px, 2vw, 20px);
}

.orbital-map::before {
  position: absolute;
  inset: 0;
  margin: auto;
  width: min(72%, 520px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-hero-rgb), 0.18), rgba(var(--accent-hero-rgb), 0) 72%);
  filter: blur(20px);
  content: "";
}

.orbital-svg {
  width: 100%;
  max-width: 720px;
  height: auto;
  color: var(--color-accent);
  filter: drop-shadow(0 22px 44px rgba(var(--accent-hero-rgb), 0.2));
}

.trace-memory-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1.2 20 18 140;
  animation: trace-memory-flow 34s linear infinite, trace-memory-fade 14s ease-in-out infinite;
}

.trace-memory-line--one {
  stroke: rgba(91, 108, 146, 0.24);
  stroke-width: 0.9;
  animation-duration: 31s, 13s;
  animation-delay: -17s, -4s;
}

.trace-memory-line--two {
  stroke: rgba(var(--accent-eden-rgb), 0.22);
  stroke-width: 0.8;
  animation-duration: 39s, 15s;
  animation-delay: -9s, -11s;
}

.trace-memory-line--three {
  stroke: rgba(var(--accent-memory-rgb), 0.23);
  stroke-width: 0.76;
  animation-duration: 35s, 16s;
  animation-delay: -22s, -7s;
}

.trace-memory-line--four {
  stroke: rgba(231, 215, 168, 0.21);
  stroke-width: 0.72;
  animation-duration: 43s, 18s;
  animation-delay: -26s, -13s;
}

.trace-memory-line--ghost {
  stroke: rgba(91, 108, 146, 0.14);
  stroke-width: 0.64;
  animation-duration: 48s, 20s;
  animation-delay: -19s, -5s;
}

.orbital-node-track[data-node="eden"] .orbital-node__orbit {
  color: var(--accent-eden);
  --node-accent-rgb: var(--accent-eden-rgb);
  --node-motion: node-orbit-heaven;
  --node-duration: 49s;
  --node-delay: -3s;
  --node-drift: node-drift-world;
  --node-drift-duration: 20s;
  --node-drift-delay: -6s;
  --node-offset-x: 16px;
  --node-offset-y: -26px;
  --node-origin-x: 304px;
  --node-origin-y: 244px;
}

.orbital-node-track[data-node="architecture"] .orbital-node__orbit {
  color: var(--accent-architecture);
  --node-accent-rgb: var(--accent-architecture-rgb);
  --node-motion: node-orbit-engine;
  --node-duration: 43s;
  --node-delay: -9s;
  --node-drift: node-drift-engine;
  --node-drift-duration: 17s;
  --node-drift-delay: -11s;
  --node-offset-x: 12px;
  --node-offset-y: 8px;
  --node-origin-x: 314px;
  --node-origin-y: 248px;
}

.orbital-node-track[data-node="memory"] .orbital-node__orbit {
  color: var(--accent-memory);
  --node-accent-rgb: var(--accent-memory-rgb);
  --node-motion: node-orbit-memory;
  --node-duration: 56s;
  --node-delay: -14s;
  --node-drift: node-drift-memory;
  --node-drift-duration: 23s;
  --node-drift-delay: -4s;
  --node-offset-x: -18px;
  --node-offset-y: 15px;
  --node-origin-x: 300px;
  --node-origin-y: 254px;
}

.orbital-node-track[data-node="trace"] .orbital-node__orbit {
  color: var(--accent-trace);
  --node-accent-rgb: var(--accent-trace-rgb);
  --node-motion: node-orbit-engine;
  --node-duration: 52s;
  --node-delay: -20s;
  --node-drift: node-drift-heaven;
  --node-drift-duration: 19s;
  --node-drift-delay: -12s;
  --node-offset-x: 2px;
  --node-offset-y: 16px;
  --node-origin-x: 308px;
  --node-origin-y: 256px;
}

.orbital-node-track[data-node="boundaries"] .orbital-node__orbit {
  color: var(--accent-boundaries);
  --node-accent-rgb: var(--accent-boundaries-rgb);
  --node-motion: node-orbit-research;
  --node-duration: 46s;
  --node-delay: -7s;
  --node-drift: node-drift-use-cases;
  --node-drift-duration: 18s;
  --node-drift-delay: -8s;
  --node-offset-x: -14px;
  --node-offset-y: -10px;
  --node-origin-x: 304px;
  --node-origin-y: 244px;
}

.orbital-node-track[data-node="use-cases"] .orbital-node__orbit {
  color: var(--accent-use-cases);
  --node-accent-rgb: var(--accent-use-cases-rgb);
  --node-motion: node-orbit-use-cases;
  --node-duration: 50s;
  --node-delay: -16s;
  --node-drift: node-drift-use-cases;
  --node-drift-duration: 18s;
  --node-drift-delay: -7s;
  --node-offset-x: -24px;
  --node-offset-y: 4px;
  --node-origin-x: 300px;
  --node-origin-y: 252px;
}

.orbital-node-track[data-node="research"] .orbital-node__orbit {
  color: var(--accent-research);
  --node-accent-rgb: var(--accent-research-rgb);
  --node-motion: node-orbit-research;
  --node-duration: 45s;
  --node-delay: -24s;
  --node-drift: node-drift-research;
  --node-drift-duration: 16s;
  --node-drift-delay: -10s;
  --node-offset-x: -12px;
  --node-offset-y: -28px;
  --node-origin-x: 300px;
  --node-origin-y: 240px;
}

.orbital-node-track[data-node="access"] .orbital-node__orbit {
  color: var(--accent-access);
  --node-accent-rgb: var(--accent-access-rgb);
  --node-motion: node-orbit-world;
  --node-duration: 54s;
  --node-delay: -29s;
  --node-drift: node-drift-research;
  --node-drift-duration: 21s;
  --node-drift-delay: -13s;
  --node-offset-x: 15px;
  --node-offset-y: 18px;
  --node-origin-x: 316px;
  --node-origin-y: 252px;
}

@keyframes trace-memory-flow {
  from {
    stroke-dashoffset: 0;
  }
  to {
    stroke-dashoffset: -164;
  }
}

@keyframes trace-memory-fade {
  0%,
  100% {
    opacity: 0.12;
  }
  45% {
    opacity: 0.24;
  }
  70% {
    opacity: 0.34;
  }
}

/* Orbital nodes */
.orbital-node {
  cursor: pointer;
  transition: opacity 260ms ease;
  outline: none;
}

.node-hit-area {
  fill: rgba(17, 24, 39, 0.001);
}

.node-hit-frame {
  fill: rgba(17, 24, 39, 0.001);
}

.orbital-node__orbit {
  color: var(--color-accent);
  animation-name: var(--node-motion);
  animation-duration: var(--node-duration, 30s);
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-delay: var(--node-delay, 0s);
  transform-box: view-box;
  transform-origin: var(--node-origin-x, 308px) var(--node-origin-y, 248px);
  will-change: transform;
}

.orbital-node__body {
  animation-name: var(--node-drift);
  animation-duration: var(--node-drift-duration, 16s);
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-delay: var(--node-drift-delay, 0s);
  transform-box: fill-box;
  transform-origin: center;
  will-change: transform;
}

.orbital-node__visual {
  pointer-events: none;
}

.orbital-node:hover,
.orbital-node:focus-visible,
.orbital-node.is-active {
  opacity: 1;
}

.orbital-node.is-deposited {
  opacity: 0.38;
}

.orbital-node:hover + .orbital-node__visual .node-dot,
.orbital-node:focus-visible + .orbital-node__visual .node-dot,
.orbital-node.is-active + .orbital-node__visual .node-dot {
  opacity: 1;
  r: 10.1;
}

.orbital-node:hover + .orbital-node__visual .node-dot-inner,
.orbital-node:focus-visible + .orbital-node__visual .node-dot-inner,
.orbital-node.is-active + .orbital-node__visual .node-dot-inner {
  opacity: 1;
}

.orbital-node:hover + .orbital-node__visual .node-presence,
.orbital-node:focus-visible + .orbital-node__visual .node-presence,
.orbital-node.is-active + .orbital-node__visual .node-presence {
  opacity: 0.16;
}

.orbital-node:hover + .orbital-node__visual .node-trace-line,
.orbital-node:focus-visible + .orbital-node__visual .node-trace-line,
.orbital-node.is-active + .orbital-node__visual .node-trace-line {
  opacity: 0.29;
}

.orbital-node:hover + .orbital-node__visual .node-trace-line--near,
.orbital-node:focus-visible + .orbital-node__visual .node-trace-line--near,
.orbital-node.is-active + .orbital-node__visual .node-trace-line--near {
  stroke-width: 0.84;
  opacity: 0.34;
}

.orbital-node:hover + .orbital-node__visual .node-trace-line--far,
.orbital-node:focus-visible + .orbital-node__visual .node-trace-line--far,
.orbital-node.is-active + .orbital-node__visual .node-trace-line--far {
  opacity: 0.19;
}

.orbital-node.is-deposited + .orbital-node__visual .node-presence {
  opacity: 0.05;
}

.orbital-node.is-deposited:hover,
.orbital-node.is-deposited:focus-visible,
.orbital-node.is-deposited.is-active {
  opacity: 1;
}

.orbital-node.is-deposited:hover + .orbital-node__visual .node-presence,
.orbital-node.is-deposited:focus-visible + .orbital-node__visual .node-presence,
.orbital-node.is-deposited.is-active + .orbital-node__visual .node-presence {
  opacity: 0.16;
}

.orbital-map.is-calm .trace-memory-line {
  opacity: 0.94;
}

@keyframes node-orbit-heaven {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes node-orbit-world {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes node-orbit-engine {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(-360deg);
  }
}

@keyframes node-orbit-memory {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(-360deg);
  }
}

@keyframes node-orbit-use-cases {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes node-orbit-research {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(-360deg);
  }
}

@keyframes node-drift-heaven {
  0%,
  100% {
    transform: translate(var(--node-offset-x, 0px), var(--node-offset-y, 0px));
  }
  32% {
    transform: translate(calc(var(--node-offset-x, 0px) + 7px), calc(var(--node-offset-y, 0px) - 5px));
  }
  61% {
    transform: translate(calc(var(--node-offset-x, 0px) + 2px), calc(var(--node-offset-y, 0px) + 8px));
  }
  84% {
    transform: translate(calc(var(--node-offset-x, 0px) - 6px), calc(var(--node-offset-y, 0px) + 3px));
  }
}

@keyframes node-drift-world {
  0%,
  100% {
    transform: translate(var(--node-offset-x, 0px), var(--node-offset-y, 0px));
  }
  28% {
    transform: translate(calc(var(--node-offset-x, 0px) + 6px), calc(var(--node-offset-y, 0px) + 7px));
  }
  57% {
    transform: translate(calc(var(--node-offset-x, 0px) - 3px), calc(var(--node-offset-y, 0px) + 9px));
  }
  81% {
    transform: translate(calc(var(--node-offset-x, 0px) - 8px), calc(var(--node-offset-y, 0px) - 2px));
  }
}

@keyframes node-drift-engine {
  0%,
  100% {
    transform: translate(var(--node-offset-x, 0px), var(--node-offset-y, 0px));
  }
  30% {
    transform: translate(calc(var(--node-offset-x, 0px) - 6px), calc(var(--node-offset-y, 0px) + 7px));
  }
  58% {
    transform: translate(calc(var(--node-offset-x, 0px) - 8px), calc(var(--node-offset-y, 0px) - 4px));
  }
  86% {
    transform: translate(calc(var(--node-offset-x, 0px) + 6px), calc(var(--node-offset-y, 0px) - 5px));
  }
}

@keyframes node-drift-memory {
  0%,
  100% {
    transform: translate(var(--node-offset-x, 0px), var(--node-offset-y, 0px));
  }
  25% {
    transform: translate(calc(var(--node-offset-x, 0px) - 7px), calc(var(--node-offset-y, 0px) - 3px));
  }
  54% {
    transform: translate(calc(var(--node-offset-x, 0px) - 3px), calc(var(--node-offset-y, 0px) - 9px));
  }
  82% {
    transform: translate(calc(var(--node-offset-x, 0px) + 7px), calc(var(--node-offset-y, 0px) - 2px));
  }
}

@keyframes node-drift-use-cases {
  0%,
  100% {
    transform: translate(var(--node-offset-x, 0px), var(--node-offset-y, 0px));
  }
  29% {
    transform: translate(calc(var(--node-offset-x, 0px) - 6px), calc(var(--node-offset-y, 0px) - 6px));
  }
  63% {
    transform: translate(calc(var(--node-offset-x, 0px) + 3px), calc(var(--node-offset-y, 0px) - 9px));
  }
  87% {
    transform: translate(calc(var(--node-offset-x, 0px) + 8px), calc(var(--node-offset-y, 0px) + 3px));
  }
}

@keyframes node-drift-research {
  0%,
  100% {
    transform: translate(var(--node-offset-x, 0px), var(--node-offset-y, 0px));
  }
  27% {
    transform: translate(calc(var(--node-offset-x, 0px) + 5px), calc(var(--node-offset-y, 0px) - 8px));
  }
  59% {
    transform: translate(calc(var(--node-offset-x, 0px) + 8px), calc(var(--node-offset-y, 0px) + 2px));
  }
  83% {
    transform: translate(calc(var(--node-offset-x, 0px) - 7px), calc(var(--node-offset-y, 0px) + 4px));
  }
}

.node-trace-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 0.66;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: none;
  opacity: 0.18;
  transition: opacity 240ms ease, stroke-width 240ms ease;
  animation: node-trace-shift 11s ease-in-out infinite;
}

.node-trace-line--near {
  stroke-width: 0.78;
  opacity: 0.25;
  animation-duration: 9s;
}

.node-trace-line--far {
  stroke-width: 0.56;
  opacity: 0.14;
  stroke-dasharray: none;
  animation-duration: 13s;
  animation-delay: -3s;
}

@keyframes node-trace-shift {
  0%,
  100% {
   stroke-dashoffset: 0;
  }
  38% {
   stroke-dashoffset: -10;
  }
  68% {
   stroke-dashoffset: -18;
  }
}

.node-presence {
  fill: currentColor;
  opacity: 0.1;
  transition: opacity 260ms ease;
}

.node-dot {
  fill: currentColor;
  filter: drop-shadow(0 0 8px rgba(var(--node-accent-rgb, var(--color-accent-rgb)), 0.2));
  transition: opacity 240ms ease, r 240ms ease;
}

.node-dot-inner {
  fill: currentColor;
  transition: opacity 240ms ease;
}

/* Orbital center */
.trace-core-halo {
  opacity: 0.28;
}

.trace-core-shell {
  fill: none;
  stroke: rgba(91, 108, 146, 0.18);
  stroke-width: 1.2;
  stroke-linecap: round;
}

.trace-core-shell--inner {
  stroke: rgba(var(--accent-memory-rgb), 0.16);
  stroke-dasharray: 3 11;
}

.trace-core-fragment {
  fill: none;
  stroke: rgba(91, 108, 146, 0.18);
  stroke-width: 0.9;
  stroke-linecap: round;
}

.trace-core-fragment--lower {
  stroke: rgba(var(--accent-memory-rgb), 0.19);
}

.orbital-center-inner {
  fill: currentColor;
  opacity: 0.3;
  filter: drop-shadow(0 0 8px rgba(91, 108, 146, 0.16));
  transition: opacity 320ms ease;
}

/* Node preview panel */
.node-preview {
  --preview-accent: rgba(var(--color-accent-rgb), 0.24);
  --preview-accent-rgb: var(--color-accent-rgb);
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(var(--preview-accent-rgb), 0.08), transparent 60%),
    rgba(250, 247, 240, 0.78);
  border: 1px solid var(--line);
  border-top: 3px solid var(--preview-accent);
  border-radius: var(--radius);
  width: 100%;
  max-width: 560px;
  min-height: 132px;
  display: flex;
  align-items: center;
  transition: all 240ms ease;
  box-shadow: 0 20px 44px rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(18px);
}

.node-preview[data-node="eden"] {
  --preview-accent: rgba(var(--accent-eden-rgb), 0.42);
  --preview-accent-rgb: var(--accent-eden-rgb);
}

.node-preview[data-node="architecture"] {
  --preview-accent: rgba(var(--accent-architecture-rgb), 0.46);
  --preview-accent-rgb: var(--accent-architecture-rgb);
}

.node-preview[data-node="memory"] {
  --preview-accent: rgba(var(--accent-memory-rgb), 0.42);
  --preview-accent-rgb: var(--accent-memory-rgb);
}

.node-preview[data-node="trace"] {
  --preview-accent: rgba(var(--accent-trace-rgb), 0.42);
  --preview-accent-rgb: var(--accent-trace-rgb);
}

.node-preview[data-node="boundaries"] {
  --preview-accent: rgba(var(--accent-boundaries-rgb), 0.42);
  --preview-accent-rgb: var(--accent-boundaries-rgb);
}

.node-preview[data-node="use-cases"] {
  --preview-accent: rgba(var(--accent-use-cases-rgb), 0.44);
  --preview-accent-rgb: var(--accent-use-cases-rgb);
}

.node-preview[data-node="research"] {
  --preview-accent: rgba(var(--accent-research-rgb), 0.42);
  --preview-accent-rgb: var(--accent-research-rgb);
}

.node-preview[data-node="access"] {
  --preview-accent: rgba(var(--accent-access-rgb), 0.5);
  --preview-accent-rgb: var(--accent-access-rgb);
}

.node-preview__content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.node-preview__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
}

.node-preview__description {
  margin: 0;
  font-size: 1rem;
  color: var(--color-muted);
}

.node-preview__tag {
  display: inline-block;
  margin-top: 8px;
  padding: 6px 12px;
  background: rgba(var(--preview-accent-rgb), 0.12);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  color: rgb(var(--preview-accent-rgb));
  letter-spacing: 0.06em;
  text-transform: uppercase;
  width: max-content;
}

/* Mobile: orbital grid fallback */
.orbital-grid {
  display: none;
}

.orbital-grid-item {
  --item-accent: var(--color-accent);
  --item-accent-rgb: var(--color-accent-rgb);
  padding: 20px;
  border: 1px solid var(--line);
  border-top: 3px solid rgba(var(--item-accent-rgb), 0.32);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(var(--item-accent-rgb), 0.05), transparent 56%),
    var(--color-surface);
  text-decoration: none;
  transition: all 240ms ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.orbital-grid-item:hover,
.orbital-grid-item:focus-visible {
  border-color: rgba(var(--item-accent-rgb), 0.4);
  background: var(--color-bg);
  transform: translateY(-2px);
}

.orbital-grid-item[data-node="eden"] {
  --item-accent: var(--accent-eden);
  --item-accent-rgb: var(--accent-eden-rgb);
}

.orbital-grid-item[data-node="architecture"] {
  --item-accent: var(--accent-architecture);
  --item-accent-rgb: var(--accent-architecture-rgb);
}

.orbital-grid-item[data-node="memory"] {
  --item-accent: var(--accent-memory);
  --item-accent-rgb: var(--accent-memory-rgb);
}

.orbital-grid-item[data-node="trace"] {
  --item-accent: var(--accent-trace);
  --item-accent-rgb: var(--accent-trace-rgb);
}

.orbital-grid-item[data-node="boundaries"] {
  --item-accent: var(--accent-boundaries);
  --item-accent-rgb: var(--accent-boundaries-rgb);
}

.orbital-grid-item[data-node="use-cases"] {
  --item-accent: var(--accent-use-cases);
  --item-accent-rgb: var(--accent-use-cases-rgb);
}

.orbital-grid-item[data-node="research"] {
  --item-accent: var(--accent-research);
  --item-accent-rgb: var(--accent-research-rgb);
}

.orbital-grid-item[data-node="access"] {
  --item-accent: var(--accent-access);
  --item-accent-rgb: var(--accent-access-rgb);
}

.orbital-grid-item h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
}

.orbital-grid-item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.orbital-grid-item__tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(var(--item-accent-rgb), 0.12);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--item-accent);
  width: max-content;
}

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

  .orbital-svg,
  .trace-memory-line,
  .orbital-node,
  .orbital-node__orbit,
  .orbital-node__body,
  .orbital-node__visual,
  .node-trace-line,
  .section-trace__ring,
  .section-trace__node {
    animation: none;
  }

  .orbital-node__orbit,
  .orbital-node__body,
  .orbital-node__visual {
    transform: none;
  }
  
  .orbital-node,
  .node-preview,
  .orbital-grid-item,
  .section-trace {
    transition: none;
  }
}

@media (min-width: 901px) {
  .orbital-hero {
    grid-template-columns: minmax(0, 1fr) minmax(448px, 604px);
    align-items: center;
    justify-items: stretch;
    gap: clamp(28px, 4vw, 52px);
    padding-top: clamp(28px, 3vw, 48px);
    padding-bottom: clamp(28px, 4vw, 56px);
  }

  .orbital-hero__content {
    align-items: flex-start;
    gap: 16px;
    max-width: 560px;
    text-align: left;
  }

  .orbital-hero__content h1 {
    font-size: clamp(3.5rem, 6vw, 5.8rem);
  }

  .orbital-hero__headline {
    max-width: 540px;
    font-size: clamp(1.5rem, 2.8vw, 2.75rem);
    line-height: 1.14;
  }

  .orbital-hero__subheadline {
    max-width: 520px;
    font-size: clamp(0.98rem, 1.15vw, 1.08rem);
    line-height: 1.52;
  }

  .orbital-hero__actions {
    justify-content: flex-start;
    margin-top: 8px;
  }

  .hero-signals {
    width: min(100%, 560px);
    margin-top: 6px;
  }

  .hero-signals div {
    padding: 12px 13px;
  }

  .orbital-map {
    order: 0;
    align-self: center;
    width: min(100%, 604px);
    gap: 14px;
    padding-top: 0;
  }

  .orbital-map::before {
    width: min(88%, 500px);
    background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.14), rgba(var(--color-accent-rgb), 0) 72%);
    filter: blur(18px);
  }

  .orbital-svg {
    max-width: 604px;
    max-height: 536px;
    filter: drop-shadow(0 20px 36px rgba(var(--color-accent-rgb), 0.14));
  }

  .node-preview {
    max-width: 520px;
    min-height: 116px;
    padding: 16px 18px;
  }
}

/* Mobile responsive */
@media (max-width: 900px) {
  .orbital-hero {
    min-height: auto;
    gap: 40px;
  }

  .orbital-map {
    width: min(100%, 640px);
  }

  .orbital-svg {
    max-width: 560px;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: auto;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px 10px;
  }

  .site-nav {
    width: calc(100% + 4px);
    justify-content: flex-start;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 2px;
    white-space: nowrap;
    font-size: 0.8rem;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav a {
    flex: 0 0 auto;
  }

  .orbital-hero {
    padding: 60px 20px;
    gap: 30px;
  }

  .orbital-hero__content {
    align-items: flex-start;
    text-align: left;
  }

  .orbital-hero__actions,
  .hero-signals {
    justify-content: flex-start;
  }

  .hero-signals {
    grid-template-columns: 1fr;
  }

  .product-spine,
  .trace-proof-grid {
    grid-template-columns: 1fr;
  }

  .orbital-svg {
    display: none;
  }

  .node-preview {
    display: none;
  }

  .orbital-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    width: 100%;
  }

  .section-trace__ring,
  .section-trace__node {
    animation: none;
  }
}

@media (max-width: 640px) and (max-height: 720px) {
  :root {
    --header-height: 88px;
  }

  .orbital-hero {
    padding-top: 28px;
    padding-bottom: 32px;
    gap: 18px;
  }

  .orbital-hero__content {
    gap: 12px;
  }

  .orbital-hero__content h1 {
    font-size: clamp(3.3rem, 15vw, 4.4rem);
  }

  .orbital-hero__headline {
    font-size: clamp(1.25rem, 7vw, 2.1rem);
    line-height: 1.1;
  }

  .orbital-hero__subheadline {
    font-size: 0.92rem;
    line-height: 1.4;
  }

  .orbital-hero__actions {
    gap: 6px;
    margin-top: 4px;
  }

  .orbital-hero__actions .button {
    min-height: 44px;
  }
}

.section-shell {
  width: min(var(--max-width), calc(100% - 40px));
  margin-inline: auto;
  padding: clamp(60px, 9vw, 100px) 0;
}

/* ===== CONTENT SECTIONS ===== */
.content-section {
  width: min(var(--max-width), calc(100% - 40px));
  margin-inline: auto;
  border-top: 1px solid var(--line);
  padding: clamp(60px, 9vw, 100px) 0;
  background:
    linear-gradient(135deg, rgba(var(--section-accent-rgb, var(--color-accent-rgb)), 0.05), transparent 54%),
    var(--color-bg);
}

.content-section h2 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin: 16px 0 24px;
  color: var(--color-text);
  font-weight: 700;
}

.content-section p {
  max-width: 700px;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0 0 24px;
}

.product-spine {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 0 0 28px;
}

.product-spine__item {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--section-accent, var(--color-accent));
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(var(--section-accent-rgb, var(--color-accent-rgb)), 0.06), transparent 58%),
    rgba(250, 247, 240, 0.88);
  box-shadow: 0 10px 28px rgba(21, 23, 28, 0.04);
}

.product-spine__item span {
  display: block;
  margin-bottom: 8px;
  color: var(--section-accent, var(--color-accent));
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-spine__item p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.6;
}

.section-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.section-bullets li {
  min-height: 136px;
  padding: 18px;
  border-top: 3px solid var(--section-accent, var(--color-accent));
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(var(--section-accent-rgb, var(--color-accent-rgb)), 0.06), transparent 62%),
    var(--color-surface);
  border-radius: 4px;
  font-size: 1rem;
  color: var(--color-muted);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.section-bullets span {
  display: block;
  margin-bottom: 8px;
  color: var(--section-accent, var(--color-text));
  font-weight: 700;
}

.section-kicker {
  margin-bottom: 12px;
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-kicker::after {
  display: block;
  width: 44px;
  height: 1px;
  margin-top: 10px;
  background: currentColor;
  opacity: 0.3;
  content: "";
}

.section-trace {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  color: var(--section-accent, var(--color-accent));
  opacity: 0.62;
  transform: translateY(10px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.section-trace.is-deposited {
  opacity: 1;
  transform: translateY(0);
}

.section-trace__field {
  position: relative;
  width: 74px;
  height: 42px;
  flex-shrink: 0;
}

.section-trace__ring,
.section-trace__node {
  position: absolute;
}

.section-trace__ring {
  border: 1px solid currentColor;
  opacity: 0.26;
}

.section-trace__ring--one {
  inset: 2px 6px 5px 0;
  border-radius: 58% 42% 63% 37% / 44% 61% 39% 56%;
  transform: rotate(-10deg);
  animation: section-trace-rotate 18s linear infinite;
}

.section-trace__ring--two {
  inset: 9px 0 0 15px;
  border-radius: 39% 61% 44% 56% / 61% 39% 58% 42%;
  transform: rotate(12deg);
  animation: section-trace-rotate-reverse 24s linear infinite;
}

.section-trace__node {
  top: 16px;
  left: 36px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 6px rgba(var(--section-accent-rgb, var(--color-accent-rgb)), 0.08);
  transform: scale(0.84);
  transition: transform 260ms ease, opacity 260ms ease;
  animation: section-trace-pulse 8s ease-in-out infinite;
}

.section-trace.is-deposited .section-trace__node,
.section-trace.is-related .section-trace__node {
  transform: scale(1);
}

.section-trace__label {
  color: var(--color-text);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.58;
  transition: color 240ms ease, opacity 240ms ease;
}

.section-trace.is-related .section-trace__label,
.content-section.is-related .section-kicker {
  color: var(--section-accent, var(--color-accent));
  opacity: 1;
}

.site-footer.is-related .access-intro__eyebrow {
  color: var(--accent-access);
  opacity: 1;
}

@keyframes section-trace-rotate {
  from {
    transform: rotate(-10deg);
  }
  to {
    transform: rotate(350deg);
  }
}

@keyframes section-trace-rotate-reverse {
  from {
    transform: rotate(12deg);
  }
  to {
    transform: rotate(-348deg);
  }
}

@keyframes section-trace-pulse {
  0%,
  100% {
    opacity: 0.84;
  }
  50% {
    opacity: 1;
  }
}

/* Dark Engine Section */
.content-section--dark {
  position: relative;
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100vw - var(--max-width)) / 2));
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(244, 240, 232, 0.07), transparent 14%),
    linear-gradient(0deg, rgba(244, 240, 232, 0.05), transparent 16%),
    radial-gradient(circle at 18% 22%, rgba(var(--accent-architecture-rgb), 0.16), transparent 22rem),
    radial-gradient(circle at 82% 78%, rgba(var(--accent-trace-rgb), 0.08), transparent 20rem),
    var(--color-engine-bg);
  color: var(--color-engine-text);
}

.content-section--dark h2 {
  color: var(--color-engine-text);
}

.content-section--dark p {
  color: var(--color-engine-muted);
}

.content-section--dark .section-bullets li {
  background:
    linear-gradient(135deg, rgba(var(--accent-architecture-rgb), 0.12), transparent 60%),
    var(--color-engine-surface);
  border-color: rgba(215, 227, 255, 0.14);
  border-top-color: var(--section-accent, var(--color-engine-signal));
  color: var(--color-engine-text);
}

.content-section--dark .section-bullets span {
  color: var(--color-engine-signal);
}

.content-section--dark .section-kicker {
  color: var(--section-accent, var(--color-engine-signal));
}

.content-section--dark .section-trace__label {
  color: var(--color-engine-signal);
  opacity: 0.88;
}

/* Memory Section with soft colors */
.content-section--memory {
  background:
    linear-gradient(135deg, rgba(var(--accent-memory-rgb), 0.08) 0%, rgba(var(--accent-use-cases-rgb), 0.05) 100%),
    var(--color-bg);
}

.content-section--memory h2 {
  color: var(--color-text);
}

.content-section--memory .section-bullets li {
  border-top-color: var(--color-memory);
  background:
    linear-gradient(135deg, rgba(var(--accent-memory-rgb), 0.09), transparent 60%),
    rgba(250, 247, 240, 0.88);
}

.content-section--memory .section-kicker {
  color: var(--color-memory);
}

#heaven {
  --section-accent: var(--color-accent);
  --section-accent-rgb: var(--color-accent-rgb);
}

#eden {
  --section-accent: var(--accent-eden);
  --section-accent-rgb: var(--accent-eden-rgb);
}

#eden .section-kicker {
  color: var(--accent-eden);
}

#architecture {
  --section-accent: var(--accent-architecture);
  --section-accent-rgb: var(--accent-architecture-rgb);
}

#architecture > p {
  margin-bottom: 30px;
}

#architecture .trace-proof-grid {
  margin-top: 40px;
}

#memory {
  --section-accent: var(--accent-memory);
  --section-accent-rgb: var(--accent-memory-rgb);
}

#memory .section-kicker {
  color: var(--accent-memory);
}

.world-preview {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 20px;
  margin: 34px 0;
}

.world-preview__map {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  border: 1px solid rgba(var(--accent-eden-rgb), 0.24);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(var(--accent-eden-rgb), 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-eden-rgb), 0.1) 1px, transparent 1px),
    radial-gradient(circle at 68% 32%, rgba(var(--accent-eden-rgb), 0.16), transparent 15rem),
    linear-gradient(135deg, rgba(250, 247, 240, 0.94), rgba(var(--accent-hero-rgb), 0.16));
  background-size: 48px 48px, 48px 48px, auto, auto;
}

.world-preview__zone {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: var(--radius);
  color: rgba(17, 24, 39, 0.58);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.world-preview__zone--archive {
  top: 28px;
  left: 28px;
  width: 34%;
  height: 32%;
}

.world-preview__zone--garden {
  right: 30px;
  top: 54px;
  width: 40%;
  height: 42%;
}

.world-preview__zone--threshold {
  right: 26%;
  bottom: 28px;
  width: 42%;
  height: 24%;
}

.world-preview__agent {
  position: absolute;
  z-index: 2;
  width: 14px;
  height: 14px;
  border: 2px solid var(--color-bg);
  border-radius: 50%;
  background: var(--color-world);
  box-shadow: 0 0 0 7px rgba(var(--accent-eden-rgb), 0.12), 0 10px 22px rgba(21, 23, 28, 0.12);
}

.world-preview__agent--one {
  left: 22%;
  top: 30%;
  animation: eden-agent-one 12s ease-in-out infinite;
}

.world-preview__agent--two {
  right: 26%;
  bottom: 27%;
  background: var(--color-research);
  box-shadow: 0 0 0 7px rgba(var(--accent-research-rgb), 0.12), 0 10px 22px rgba(21, 23, 28, 0.12);
  animation: eden-agent-two 14s ease-in-out infinite;
}

.world-preview__trace {
  position: absolute;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-eden-rgb), 0.76), transparent);
  transform-origin: left;
}

.world-preview__trace--one {
  left: 23%;
  top: 35%;
  width: 42%;
  transform: rotate(12deg);
}

.world-preview__trace--two {
  right: 24%;
  bottom: 34%;
  width: 34%;
  transform: rotate(-24deg);
}

.world-preview__timeline {
  display: grid;
  gap: 1px;
  overflow: hidden;
  align-self: stretch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 0;
  padding: 0;
  background: var(--line);
  list-style: none;
}

.world-preview__timeline li {
  display: grid;
  align-content: center;
  min-height: 96px;
  padding: 18px;
  background: var(--color-surface);
  color: var(--color-muted);
}

.world-preview__timeline span {
  display: block;
  margin-bottom: 8px;
  color: var(--color-world);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#inside-eden {
  --section-accent: var(--accent-eden);
  --section-accent-rgb: var(--accent-eden-rgb);
}

#inside-eden .section-kicker {
  color: var(--accent-eden);
}

.content-section--eden {
  background:
    linear-gradient(135deg, rgba(var(--accent-eden-rgb), 0.08), transparent 52%),
    linear-gradient(180deg, rgba(var(--accent-hero-rgb), 0.18), rgba(250, 247, 240, 0.96));
}

.eden-sequence {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.6fr);
  gap: 20px;
  align-items: start;
  margin-top: 34px;
}

.eden-sequence__steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
}

.eden-sequence__steps li,
.eden-sequence__panel {
  min-height: 100%;
  border: 1px solid var(--line);
  border-top: 3px solid var(--color-world);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(250, 247, 240, 0.88);
  box-shadow: 0 10px 28px rgba(21, 23, 28, 0.04);
}

.eden-sequence__steps span,
.eden-sequence__eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--color-world);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eden-sequence__steps h3 {
  margin: 0 0 10px;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.eden-sequence__steps p,
.eden-sequence__panel-copy {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.eden-sequence__panel {
  background:
    linear-gradient(180deg, rgba(var(--accent-eden-rgb), 0.08), transparent 48%),
    rgba(250, 247, 240, 0.94);
}

.eden-sequence__signals {
  list-style: none;
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 20px 0 0;
}

.eden-sequence__signals li {
  border-left: 2px solid rgba(var(--accent-eden-rgb), 0.32);
  padding-left: 12px;
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 600;
}

.trace-proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.trace-proof {
  border: 1px solid var(--line);
  border-top: 3px solid var(--section-accent, var(--color-accent));
  border-radius: var(--radius);
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(var(--section-accent-rgb, var(--color-accent-rgb)), 0.06), transparent 56%),
    rgba(250, 247, 240, 0.84);
  box-shadow: 0 10px 28px rgba(21, 23, 28, 0.04);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.trace-proof__label {
  margin: 0 0 12px;
  color: var(--section-accent, var(--color-accent));
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.trace-proof pre {
  margin: 0;
  max-width: 100%;
  overflow-x: auto;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  scrollbar-width: thin;
}

.trace-proof code {
  font: inherit;
}

#use-cases {
  --section-accent: var(--accent-use-cases);
  --section-accent-rgb: var(--accent-use-cases-rgb);
}

#use-cases .section-kicker {
  color: var(--accent-use-cases);
}

#trace {
  --section-accent: var(--accent-trace);
  --section-accent-rgb: var(--accent-trace-rgb);
}

#trace .section-kicker {
  color: var(--accent-trace);
}

#boundaries {
  --section-accent: var(--accent-boundaries);
  --section-accent-rgb: var(--accent-boundaries-rgb);
}

#boundaries .section-kicker {
  color: var(--accent-boundaries);
}

.content-section--boundary {
  background:
    linear-gradient(135deg, rgba(var(--accent-boundaries-rgb), 0.09), transparent 52%),
    linear-gradient(180deg, rgba(var(--accent-architecture-rgb), 0.08), rgba(250, 247, 240, 0.96));
}

.content-section--dark .trace-proof {
  background:
    linear-gradient(135deg, rgba(var(--accent-architecture-rgb), 0.14), transparent 58%),
    rgba(13, 23, 38, 0.94);
  border-color: rgba(215, 227, 255, 0.14);
  border-top-color: var(--color-engine-signal);
}

.content-section--dark .trace-proof__label {
  color: var(--color-engine-signal);
}

.content-section--dark .trace-proof pre {
  color: var(--color-engine-text);
}

.content-section--memory .trace-proof {
  background:
    linear-gradient(135deg, rgba(var(--accent-memory-rgb), 0.08), transparent 56%),
    rgba(250, 247, 240, 0.86);
  border-top-color: var(--color-memory);
}

.content-section--memory .trace-proof__label {
  color: var(--color-memory);
}

.boundary-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.boundary-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-top: 3px solid var(--section-accent, var(--accent-boundaries));
  border-radius: var(--radius);
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(var(--section-accent-rgb, var(--accent-boundaries-rgb)), 0.06), transparent 56%),
    rgba(250, 247, 240, 0.84);
  box-shadow: 0 10px 28px rgba(21, 23, 28, 0.04);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.boundary-card h3 {
  margin: 0 0 12px;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 700;
}

.boundary-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.boundary-list li {
  padding-left: 14px;
  border-left: 2px solid rgba(var(--section-accent-rgb, var(--accent-boundaries-rgb)), 0.28);
  color: var(--color-muted);
  font-size: 0.96rem;
  line-height: 1.6;
}

#research {
  --section-accent: var(--accent-research);
  --section-accent-rgb: var(--accent-research-rgb);
}

#research .section-kicker {
  color: var(--accent-research);
}

@media (max-width: 640px) {
  .content-section {
    padding: 48px 20px;
  }

  .world-preview,
  .eden-sequence,
  .boundary-panel {
    grid-template-columns: 1fr;
  }

  .eden-sequence__steps {
    grid-template-columns: 1fr;
  }

  .section-bullets {
    grid-template-columns: 1fr;
  }
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1.12fr);
  gap: clamp(34px, 6vw, 60px);
  min-height: 82vh;
  align-items: center;
  padding-top: clamp(40px, 5vw, 64px);
}

.hero__content {
  max-width: 620px;
}

.eyebrow,
.section-kicker {
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 16px;
  color: var(--fg);
  font-size: clamp(4rem, 13vw, 7.8rem);
  line-height: 0.86;
  letter-spacing: 0;
}

.hero__headline {
  max-width: 680px;
  margin-bottom: 18px;
  color: var(--fg);
  font-size: clamp(1.45rem, 3.3vw, 3.6rem);
  font-weight: 600;
  line-height: 1.05;
}

.hero__body,
.hero__boundary {
  max-width: 560px;
  font-size: clamp(1rem, 1.5vw, 1.13rem);
}

.hero__boundary {
  margin-bottom: 28px;
  color: var(--muted-strong);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 11px 18px;
  color: var(--fg);
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(21, 23, 28, 0.06);
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(var(--color-accent-rgb), 0.42);
  box-shadow: 0 14px 30px rgba(21, 23, 28, 0.08);
}

.button--primary {
  border-color: rgba(var(--color-accent-rgb), 0.44);
  background: rgba(var(--color-accent-rgb), 0.12);
}

.button--secondary {
  border-color: rgba(var(--color-accent-rgb), 0.24);
  background: rgba(250, 247, 240, 0.82);
  color: var(--accent);
}

.simulation-surface {
  min-width: 0;
  width: min(100%, 640px);
  justify-self: end;
}

.simulation-surface__frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018)),
    var(--bg-elevated);
  box-shadow: var(--shadow);
}

.simulation-surface__header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding: 13px 16px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.simulation-map {
  position: relative;
  padding: clamp(18px, 3vw, 28px);
}

.simulation-map__svg {
  width: 100%;
  height: auto;
  color: var(--accent);
}

.simulation-map__grid path,
.simulation-map__memory path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.11);
  stroke-width: 1;
}

.simulation-map__rooms rect {
  fill: rgba(255, 255, 255, 0.028);
  stroke: rgba(255, 255, 255, 0.16);
}

.simulation-map__labels {
  fill: rgba(242, 244, 248, 0.64);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.simulation-map__trace {
  fill: none;
  stroke: url("#traceGradient");
  stroke-dasharray: 12 14;
  stroke-linecap: round;
  stroke-width: 3;
  animation: trace-flow 7s linear infinite;
}

.simulation-map__memory circle {
  fill: rgba(214, 180, 106, 0.18);
  stroke: var(--accent);
  stroke-width: 1.5;
  transform-origin: center;
  animation: memory-pulse 5.5s ease-in-out infinite;
}

.simulation-map__memory circle:nth-child(2) {
  animation-delay: 800ms;
}

.simulation-map__memory circle:nth-child(3) {
  animation-delay: 1500ms;
}

.simulation-map__agent {
  fill: var(--fg);
  stroke: var(--accent);
  stroke-width: 2;
  filter: drop-shadow(0 0 10px rgba(214, 180, 106, 0.42));
}

.simulation-map__agent--one {
  animation: agent-one 13s ease-in-out infinite;
}

.simulation-map__agent--two {
  animation: agent-two 15s ease-in-out infinite;
}

.event-log {
  display: grid;
  gap: 1px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.055);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.event-log__row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  padding: 10px 16px;
  background: rgba(11, 13, 18, 0.84);
  color: var(--muted);
  transition: background 240ms ease, color 240ms ease;
}

.event-log__row span:first-child {
  color: rgba(214, 180, 106, 0.78);
  text-transform: uppercase;
}

.event-log__row--active {
  background: rgba(214, 180, 106, 0.105);
  color: var(--fg);
  animation: event-active 3.2s ease-in-out infinite;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(28px, 6vw, 90px);
  align-items: start;
}

h2 {
  color: var(--fg);
  font-size: clamp(2rem, 4.6vw, 4rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: 0;
}

.section-copy {
  max-width: 660px;
}

.section-copy p {
  font-size: clamp(1rem, 1.4vw, 1.12rem);
}

.feature-list {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li,
.loop-step,
.artifact-card,
.status-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.032);
  transition: border-color 200ms ease, background 200ms ease, transform 200ms ease;
}

.feature-list li {
  padding: 18px;
}

.feature-list span,
.loop-step h3,
.artifact-card h3 {
  color: var(--fg);
  font-weight: 700;
}

.feature-list p,
.loop-step p,
.artifact-card p,
.status-card p {
  margin-bottom: 0;
}

.loop-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.loop-step {
  min-height: 176px;
  padding: 16px;
}

.loop-step__index,
.artifact-card__meta {
  color: rgba(214, 180, 106, 0.82);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.loop-step h3,
.artifact-card h3 {
  margin: 18px 0 10px;
  font-size: 1.05rem;
}

.artifact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 36px;
}

.artifact-card {
  position: relative;
  overflow: hidden;
  min-height: 250px;
  padding: 18px;
}

.artifact-card::after {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 42px;
  height: 2px;
  background: var(--accent-line);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transform-origin: right;
  transition: opacity 200ms ease, transform 200ms ease;
}

.artifact-card:hover::after,
.artifact-card:focus-within::after {
  opacity: 1;
  transform: scaleX(1);
}

.artifact-card--wide {
  grid-column: span 2;
}

.artifact-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  justify-content: space-between;
}

.research-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 28px;
  color: var(--muted-strong);
}

.research-stack span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.status-card {
  max-width: 980px;
  margin-inline: auto;
  padding: clamp(26px, 5vw, 54px);
  background:
    linear-gradient(135deg, rgba(214, 180, 106, 0.105), transparent 46%),
    rgba(255, 255, 255, 0.035);
}

.status-card h2 {
  max-width: 860px;
  margin-bottom: 20px;
  font-size: clamp(1.8rem, 4vw, 3.9rem);
}

.status-card p {
  max-width: 700px;
}

.site-footer {
  --section-accent: var(--accent-access);
  --section-accent-rgb: var(--accent-access-rgb);
  border-top: 1px solid var(--line);
  padding: 54px max(20px, calc((100vw - var(--max-width)) / 2)) 28px;
  background:
    linear-gradient(180deg, rgba(var(--accent-access-rgb), 0.08), transparent 38%),
    linear-gradient(180deg, rgba(250, 247, 240, 0.96), rgba(244, 240, 232, 0.98));
}

.site-footer__content {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: start;
}

.site-footer h2 {
  margin-bottom: 10px;
  font-size: clamp(1.6rem, 3vw, 2.8rem);
}

.access-intro__eyebrow {
  margin-bottom: 12px;
  color: var(--accent-access);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.access-intro__eyebrow::after {
  display: block;
  width: 44px;
  height: 1px;
  margin-top: 10px;
  background: currentColor;
  opacity: 0.3;
  content: "";
}

.access-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-content: start;
}

.access-channel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "index title link"
    "index copy link";
  column-gap: 18px;
  row-gap: 6px;
  min-width: 0;
  align-items: start;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-top: 3px solid rgba(var(--accent-access-rgb), 0.42);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(var(--accent-access-rgb), 0.08), transparent 58%),
    rgba(250, 247, 240, 0.86);
  color: var(--fg);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.access-channel__index {
  grid-area: index;
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  min-height: 30px;
  border: 1px solid rgba(var(--accent-access-rgb), 0.26);
  border-radius: 999px;
  background: rgba(var(--accent-access-rgb), 0.08);
  color: var(--color-text);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.access-channel__title {
  grid-area: title;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 700;
}

.access-channel small {
  grid-area: copy;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.5;
}

.access-channel__link {
  grid-area: link;
  align-self: center;
  color: var(--accent-access);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.access-channel:hover,
.access-channel:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(var(--accent-access-rgb), 0.5);
  box-shadow: 0 12px 26px rgba(17, 24, 39, 0.05);
}

.site-footer.is-related .access-intro__eyebrow,
.site-footer.is-related .access-channel__link {
  color: var(--accent-access);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  margin-top: 42px;
  padding-top: 22px;
  color: var(--muted);
  font-size: 0.86rem;
}

.feature-list li:hover,
.loop-step:hover,
.artifact-card:hover,
.status-card:hover,
.section-bullets li:hover,
.trace-proof:hover,
.boundary-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(17, 24, 39, 0.06);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes trace-flow {
  to {
    stroke-dashoffset: -52;
  }
}

@keyframes memory-pulse {
  0%,
  100% {
    opacity: 0.62;
    transform: scale(1);
  }

  45% {
    opacity: 1;
    transform: scale(1.16);
  }
}

@keyframes event-active {
  0%,
  100% {
    box-shadow: inset 2px 0 0 rgba(214, 180, 106, 0.34);
  }

  50% {
    box-shadow: inset 2px 0 0 rgba(214, 180, 106, 0.9);
  }
}

@keyframes agent-one {
  0%,
  100% {
    transform: translate(0, 0);
  }

  38% {
    transform: translate(108px, -8px);
  }

  72% {
    transform: translate(208px, 0);
  }
}

@keyframes agent-two {
  0%,
  100% {
    transform: translate(0, 0);
  }

  42% {
    transform: translate(-36px, 42px);
  }

  76% {
    transform: translate(-158px, 30px);
  }
}

@keyframes eden-agent-one {
  0%,
  100% {
    transform: translate(0, 0);
  }

  42% {
    transform: translate(94px, 26px);
  }

  72% {
    transform: translate(168px, 112px);
  }
}

@keyframes eden-agent-two {
  0%,
  100% {
    transform: translate(0, 0);
  }

  38% {
    transform: translate(-64px, -88px);
  }

  74% {
    transform: translate(-154px, -40px);
  }
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .section-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .simulation-surface {
    width: 100%;
    justify-self: stretch;
  }

  .loop-steps,
  .artifact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .world-preview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 104px;
  }

  body {
    font-size: 15px;
  }

  .section-shell {
    width: min(100% - 28px, var(--max-width));
    padding-block: 64px;
  }

  .site-header {
    padding-inline: 14px;
  }

  .site-nav {
    gap: 16px;
    font-size: 0.8rem;
  }

  .orbital-hero__actions {
    width: 100%;
  }

  .orbital-hero__actions .button {
    width: 100%;
  }

  .trace-proof pre {
    font-size: 0.78rem;
    line-height: 1.62;
  }

  .access-channels {
    grid-template-columns: 1fr;
  }

  .hero-signals {
    grid-template-columns: 1fr;
  }

  .world-preview__map {
    min-height: 240px;
  }

  .hero__actions {
    width: 100%;
  }

  .hero__actions .button {
    width: 100%;
  }

  .simulation-map {
    padding: 12px;
  }

  .event-log__row {
    grid-template-columns: 76px 1fr;
    padding-inline: 12px;
    font-size: 0.72rem;
  }

  .loop-steps,
  .artifact-grid,
  .site-footer__content {
    grid-template-columns: 1fr;
  }

  .access-channel {
    grid-template-columns: 1fr;
    grid-template-areas:
      "index"
      "title"
      "copy"
      "link";
  }

  .access-channel__link {
    justify-self: start;
  }

  .artifact-card,
  .artifact-card--wide {
    grid-column: auto;
    min-height: 210px;
  }

  .site-footer__bottom {
    display: grid;
  }
}

.not-found-page .section-shell {
  min-height: 100vh;
  display: grid;
  align-items: center;
}

.not-found-page .status-card {
  max-width: 760px;
}

.not-found-page h1 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1;
}

.not-found-page .status-card p {
  max-width: 62ch;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}