:root {
  color-scheme: light;
  /* Light theme palette */
  --color-bg: #FFFFFF;
  --color-surface: #F8F9FB;
  --color-accent: #5B6C92;
  --color-text: #111827;
  --color-muted: #6B7280;
  --color-memory: #B8A6D9;
  --color-gold: #E7D7A8;
  --color-sky: #E6EEF8;
  --color-world: #5E8E87;
  --color-use: #8A7B45;
  --color-research: #7E6D9F;
  /* Engine dark accents */
  --color-engine-bg: #0B0F14;
  --color-engine-surface: #323840;
  --color-engine-text: #C9D6FF;
  --color-engine-muted: #A7B3C7;
  --color-engine-signal: #F2EB66;
  /* Legacy dark theme variables (kept for compatibility) */
  --bg: #FFFFFF;
  --bg-elevated: #F8F9FB;
  --fg: #111827;
  --muted: #6B7280;
  --muted-strong: #4B5563;
  --line: rgba(17, 24, 39, 0.1);
  --line-strong: rgba(17, 24, 39, 0.16);
  --accent: #5B6C92;
  --accent-soft: rgba(91, 108, 146, 0.08);
  --accent-line: rgba(91, 108, 146, 0.3);
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  --max-width: 1180px;
  --radius: 8px;
  --header-height: 72px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::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 72% 16%, rgba(94, 142, 135, 0.08), transparent 24rem),
    radial-gradient(circle at 28% 70%, rgba(184, 166, 217, 0.08), transparent 28rem),
    linear-gradient(180deg, #FFFFFF 0%, #F8F9FB 100%);
  color: var(--fg);
  font-family: var(--font-sans);
  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(17, 24, 39, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 39, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), 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);
}

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(255, 255, 255, 0.92);
  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 {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  gap: clamp(40px, 8vw, 80px);
  align-items: center;
  padding: clamp(44px, 6vw, 76px) max(20px, calc((100vw - var(--max-width)) / 2)) clamp(44px, 7vw, 84px);
  margin: 0 auto;
  overflow: hidden;
}

.orbital-hero::after {
  position: absolute;
  right: max(20px, calc((100vw - var(--max-width)) / 2));
  bottom: 20px;
  width: min(420px, 40vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-line), transparent);
  content: "";
}

.orbital-hero__content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.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: 650;
}

.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: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.hero-signals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 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(91, 108, 146, 0.07), transparent 58%),
    rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.04);
}

.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-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  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 {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 24px;
  min-width: 0;
}

.orbital-svg {
  width: 100%;
  max-width: 610px;
  height: auto;
  color: var(--color-accent);
  filter: drop-shadow(0 14px 34px rgba(91, 108, 146, 0.12));
}

.orbit-field {
  stroke-dasharray: 2 14;
}

.orbit-ring {
  stroke-dasharray: 1 9;
}

.orbit-line {
  animation: orbital-rotate 60s linear infinite;
}

@keyframes orbital-rotate {
  from {
    transform: rotate(0deg);
    transform-origin: 300px 300px;
  }
  to {
    transform: rotate(360deg);
    transform-origin: 300px 300px;
  }
}

/* Orbital nodes */
.orbital-node {
  cursor: pointer;
  transition: all 240ms ease;
  outline: none;
}

.orbital-node[data-node="world"] {
  color: var(--color-world);
}

.orbital-node[data-node="engine"] {
  color: var(--color-engine-signal);
}

.orbital-node[data-node="memory"] {
  color: var(--color-memory);
}

.orbital-node[data-node="use-cases"] {
  color: var(--color-use);
}

.orbital-node[data-node="research"] {
  color: var(--color-research);
}

.orbital-node:hover .node-dot,
.orbital-node:focus-visible .node-dot {
  opacity: 1;
  r: 12;
}

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

.orbital-node:hover .node-label,
.orbital-node:focus-visible .node-label {
  font-weight: 700;
  opacity: 1;
}

.node-dot {
  transition: opacity 240ms ease, r 240ms ease;
}

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

.node-label {
  fill: var(--color-text);
  transition: opacity 240ms ease, font-weight 240ms ease;
  opacity: 0.76;
}

/* Orbital center */
.orbital-center,
.orbital-center-inner {
  transition: opacity 320ms ease;
}

.orbital-core-label,
.orbital-core-tag {
  fill: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 800;
  letter-spacing: 0.14em;
  pointer-events: none;
}

.orbital-core-label {
  font-size: 14px;
}

.orbital-core-tag {
  fill: var(--color-muted);
  font-size: 8px;
}

/* Node preview panel */
.node-preview {
  padding: 20px;
  background: rgba(248, 249, 251, 0.84);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  min-height: 132px;
  display: flex;
  align-items: center;
  transition: all 240ms ease;
  backdrop-filter: blur(16px);
}

.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: var(--color-sky);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  width: max-content;
}

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

.orbital-grid-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(91, 108, 146, 0.045), 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: var(--color-accent);
  background: var(--color-bg);
  transform: translateY(-2px);
}

.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: var(--color-sky);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  width: max-content;
}

/* Reduce motion support */
@media (prefers-reduced-motion: reduce) {
  .orbit-line {
    animation: none;
  }
  
  .orbital-node,
  .node-preview,
  .orbital-grid-item {
    transition: none;
  }
}

/* Mobile responsive */
@media (max-width: 900px) {
  .orbital-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 40px;
  }

  .orbital-map {
    min-height: 400px;
  }

  .orbital-svg {
    max-width: 500px;
  }
}

@media (max-width: 640px) {
  .orbital-hero {
    padding: 60px 20px;
    gap: 30px;
  }

  .orbital-svg {
    display: none;
  }

  .node-preview {
    display: none;
  }

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

.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: 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;
}

.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: var(--color-surface);
  border-radius: 4px;
  font-size: 1rem;
  color: var(--color-muted);
}

.section-bullets span {
  display: block;
  margin-bottom: 8px;
  color: var(--color-text);
  font-weight: 750;
}

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

/* Dark Engine Section */
.content-section--dark {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100vw - var(--max-width)) / 2));
  background:
    linear-gradient(135deg, rgba(242, 235, 102, 0.08), transparent 42%),
    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: var(--color-engine-surface);
  border-color: rgba(201, 214, 255, 0.16);
  border-top-color: var(--color-engine-signal);
  color: var(--color-engine-text);
}

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

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

/* Memory Section with soft colors */
.content-section--memory {
  background:
    linear-gradient(135deg, rgba(184, 166, 217, 0.1) 0%, rgba(231, 215, 168, 0.07) 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: rgba(184, 166, 217, 0.06);
}

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

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

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

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

.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(94, 142, 135, 0.24);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(94, 142, 135, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 142, 135, 0.1) 1px, transparent 1px),
    radial-gradient(circle at 68% 32%, rgba(94, 142, 135, 0.16), transparent 15rem),
    linear-gradient(135deg, rgba(248, 249, 251, 0.9), rgba(230, 238, 248, 0.46));
  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(94, 142, 135, 0.12), 0 10px 22px rgba(17, 24, 39, 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(126, 109, 159, 0.12), 0 10px 22px rgba(17, 24, 39, 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(94, 142, 135, 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-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

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

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

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

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

  .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: 650;
  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: 10px 16px;
  color: var(--fg);
  font-size: 0.92rem;
  font-weight: 750;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  border-color: var(--accent-line);
}

.button--primary {
  border-color: var(--accent-line);
  background: var(--accent-soft);
}

.button--secondary {
  background: transparent;
  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: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  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: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  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: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  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: 650;
  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: 750;
}

.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: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  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: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  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 {
  border-top: 1px solid var(--line);
  padding: 54px max(20px, calc((100vw - var(--max-width)) / 2)) 28px;
}

.site-footer__content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: start;
}

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

.contact-links {
  display: grid;
  gap: 10px;
}

.contact-links a {
  border-bottom: 1px solid var(--line-strong);
  color: var(--fg);
  transition: border-color 180ms ease, color 180ms ease;
}

.contact-links a:hover,
.contact-links a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.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 {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.048);
}

[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%;
  }

  .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;
  }

  .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;
  }
}