:root {
  color-scheme: dark;
  --background: #080b0d;
  --background-raised: #0e1417;
  --surface: #121a1e;
  --surface-strong: #172228;
  --text: #f1f5f2;
  --text-muted: #a9b7b2;
  --line: #26343a;
  --accent: #63e6be;
  --accent-strong: #2fcf9f;
  --accent-ink: #04231a;
  --focus: #ffdb70;
  --max-width: 72rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  background:
    radial-gradient(circle at 80% 5%, rgb(38 117 98 / 18%), transparent 28rem),
    linear-gradient(180deg, #0a0f12 0%, var(--background) 38rem);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.65;
}

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

a:hover {
  color: var(--accent);
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.shell {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  transform: translateY(-180%);
  border-radius: 0.25rem;
  background: var(--focus);
  color: #111;
  font-weight: 700;
}

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

.site-header {
  border-bottom: 1px solid rgb(255 255 255 / 8%);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.header-inner {
  min-height: 5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  width: 0.75rem;
  height: 0.75rem;
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 1.2rem rgb(99 230 190 / 60%);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.3rem;
}

nav a {
  color: var(--text-muted);
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
}

main {
  min-height: calc(100vh - 12rem);
  overflow-x: clip;
}

.first-light {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(20rem, 0.78fr) minmax(28rem, 1.22fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  min-height: calc(100svh - 5rem);
  padding-block: clamp(2.5rem, 5vw, 5rem);
}

.energy-field {
  position: absolute;
  z-index: 0;
  inset: -4% -10vw -2% -12vw;
  overflow: hidden;
  opacity: 0.68;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 82% 78% at 66% 45%, #000 32%, rgb(0 0 0 / 82%) 61%, transparent 92%);
  mask-image: radial-gradient(ellipse 82% 78% at 66% 45%, #000 32%, rgb(0 0 0 / 82%) 61%, transparent 92%);
}

.energy-field::before {
  position: absolute;
  inset: 10% 3% 5% 22%;
  background:
    radial-gradient(circle at 69% 43%, rgb(74 196 218 / 17%), transparent 35%),
    radial-gradient(circle at 48% 58%, rgb(99 230 190 / 9%), transparent 42%);
  content: "";
}

.energy-field-visual {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.energy-field-network,
.energy-field-mesh,
.energy-field-links,
.energy-field-flow,
.energy-field-nodes,
.energy-field-pulses {
  transform-box: fill-box;
  transform-origin: center;
}

.energy-field-mesh path {
  fill: none;
  stroke: rgb(114 214 230 / 12%);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.energy-field-mesh-b path {
  stroke: rgb(99 230 190 / 8%);
}

.energy-field-links path {
  fill: none;
  stroke: rgb(130 205 224 / 18%);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.15;
  vector-effect: non-scaling-stroke;
}

.energy-field-flow path {
  fill: none;
  stroke: url("#energy-field-line");
  stroke-dasharray: 12 88;
  stroke-dashoffset: 12;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.1;
  vector-effect: non-scaling-stroke;
}

.energy-field-nodes circle {
  fill: #baf7f2;
  opacity: 0.68;
}

.energy-field-pulses circle {
  fill: url("#energy-field-node");
  opacity: 0.13;
  transform-box: fill-box;
  transform-origin: center;
}

.energy-field-particles path {
  fill: none;
  stroke: #d9fbff;
  stroke-width: 3.4;
  stroke-linecap: round;
  stroke-dasharray: 0.3 99.7;
  opacity: 0;
  vector-effect: non-scaling-stroke;
}

/* The background mesh drifts; energy-field.js moves network nodes independently. */
.energy-field-active .energy-field-mesh-a {
  animation: energy-field-drift-a 9s ease-in-out infinite alternate;
}

.energy-field-active .energy-field-mesh-b {
  animation: energy-field-drift-b 13s ease-in-out infinite alternate;
}

.energy-field-flow path,
.energy-field-particles path {
  --travel-time: 3.1s;
  --travel-delay: -0.8s;
}

.energy-field-flow path:nth-child(2),
.energy-field-particles path:nth-child(2) {
  --travel-time: 4.7s;
  --travel-delay: -2.6s;
}

.energy-field-flow path:nth-child(3),
.energy-field-particles path:nth-child(3) {
  --travel-time: 3.9s;
  --travel-delay: -1.7s;
}

.energy-field-flow path:nth-child(4),
.energy-field-particles path:nth-child(4) {
  --travel-time: 6.3s;
  --travel-delay: -4.2s;
}

.energy-field-active .energy-field-flow path {
  animation: energy-field-flow var(--travel-time) linear var(--travel-delay) infinite;
}

.energy-field-active .energy-field-particles path {
  animation: energy-field-particle var(--travel-time) linear var(--travel-delay) infinite;
}

.energy-field-active .energy-field-pulses circle {
  animation: energy-field-pulse 3.7s ease-in-out infinite;
}

.energy-field-active .energy-field-pulses circle:nth-child(2) {
  animation-duration: 5.3s;
  animation-delay: -2.1s;
}

.energy-field-active .energy-field-pulses circle:nth-child(3) {
  animation-duration: 4.1s;
  animation-delay: -1.3s;
}

.first-light-copy {
  position: relative;
  z-index: 1;
}

.first-light > .asset-map-card {
  position: relative;
  z-index: 1;
}

.first-light-copy h1 {
  max-width: 12ch;
  font-size: clamp(3.1rem, 4.8vw, 4.8rem);
}

.eyebrow,
.panel-kicker {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 14ch;
  margin-bottom: 1.4rem;
  font-size: clamp(3rem, 7vw, 6.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
}

h3 {
  font-size: 1.3rem;
}

.lede {
  max-width: 44rem;
  margin: 0;
  color: #c8d4d0;
  font-size: clamp(1.15rem, 2vw, 1.38rem);
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 0.35rem;
  font-weight: 750;
  text-decoration: none;
}

.button-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.button-primary:hover {
  background: #8bf0d0;
  color: var(--accent-ink);
}

.text-link {
  color: var(--text);
  font-weight: 700;
}

.content-card {
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: linear-gradient(145deg, rgb(23 34 40 / 92%), rgb(14 20 23 / 92%));
}

.principle-grid p,
.content-card p,
.prose p,
.method-list p {
  color: var(--text-muted);
}

.principles {
  padding-block: 2rem 8rem;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 2fr;
  align-items: end;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}

.section-heading h2 {
  max-width: 12ch;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.principle-grid article {
  min-height: 17rem;
  padding: 2rem;
  background: var(--background);
}

.principle-number,
.method-list article > span {
  display: inline-block;
  margin-bottom: 4rem;
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.8rem;
}

.page-intro {
  padding-block: clamp(5rem, 11vw, 9rem) 4rem;
}

.page-intro h1 {
  max-width: 16ch;
}

.prose-intro {
  border-bottom: 1px solid var(--line);
}

.scope-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
}

.scope-tags span {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-bottom: 8rem;
}

.content-card {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.content-card-wide {
  grid-column: 1 / -1;
}

.content-card h2 {
  max-width: 24ch;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
}

.prose {
  max-width: 52rem;
  padding-block: 4rem 8rem;
}

.prose h2 {
  margin-top: 3rem;
  margin-bottom: 0.8rem;
  font-size: 1.65rem;
}

.prose p {
  font-size: 1.08rem;
}

.method-list {
  padding-block: 2rem 8rem;
}

.method-list article {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  padding-block: 2rem;
  border-bottom: 1px solid var(--line);
}

.method-list article > span {
  margin: 0;
}

.method-list h2 {
  margin-bottom: 0.7rem;
  font-size: clamp(1.5rem, 3vw, 2.15rem);
}

.method-list p {
  max-width: 48rem;
  margin-bottom: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #070a0c;
}

.presentation-proof {
  padding-block: 5rem 8rem;
}

.presentation-proof h1 {
  max-width: 18ch;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
}

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

.proof-panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--background-raised);
}

.proof-heading {
  padding: 1.5rem 1.5rem 0;
}

.proof-heading h2 {
  margin-bottom: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.proof-visual {
  height: 26rem;
  padding: 1rem;
}

.proof-fallback {
  margin-top: 2rem;
  padding: 1rem;
  border: 1px solid var(--line);
  color: var(--text-muted);
}

.asset-map-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgb(114 214 230 / 30%);
  border-radius: 1rem;
  background:
    linear-gradient(150deg, rgb(18 40 48 / 94%), rgb(8 15 18 / 97%));
  box-shadow: 0 2rem 6rem rgb(0 0 0 / 36%);
}

.asset-map-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.4rem 1.5rem 1rem;
}

.asset-map-heading .panel-kicker {
  margin-bottom: 0.45rem;
}

.asset-map-heading h2 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.asset-map-count {
  flex: 0 0 auto;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: right;
}

.asset-map-count strong {
  display: block;
  color: var(--text);
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.asset-map-stage {
  position: relative;
  height: clamp(25rem, 56vh, 37rem);
  min-height: 25rem;
  border-block: 1px solid rgb(255 255 255 / 8%);
  background:
    radial-gradient(circle at 45% 44%, rgb(35 134 153 / 17%), transparent 43%),
    #081014;
}

.asset-map-stage .e-maps {
  min-height: 100%;
}

.asset-marker-tooltip {
  display: none;
  position: fixed;
  inset: auto;
  margin: 0;
  max-height: calc(100dvh - 1.5rem);
  overflow: auto;
  gap: 0.15rem;
  width: 14rem;
  max-width: calc(100vw - 3rem);
  padding: 0.55rem 0.65rem;
  border: 1px solid rgb(114 214 230 / 34%);
  border-radius: 0.35rem;
  background: rgb(4 10 12 / 96%);
  box-shadow: 0 0.75rem 2rem rgb(0 0 0 / 34%);
  color: #aebfc3;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.35;
  white-space: normal;
}

.asset-marker-tooltip:popover-open {
  display: grid;
}

.asset-marker-tooltip button {
  justify-self: start;
  margin-top: 0.35rem;
  min-height: 2.75rem;
  border: 1px solid rgb(114 214 230 / 34%);
  border-radius: 0.3rem;
  background: transparent;
  color: #f2f7f7;
  font: inherit;
  cursor: pointer;
}

.asset-marker-tooltip strong {
  overflow-wrap: anywhere;
  color: #f2f7f7;
  font-size: 0.78rem;
}

.asset-marker-tooltip span {
  overflow-wrap: anywhere;
}

.asset-map-no-script {
  position: absolute;
  z-index: 1;
  inset: 50% auto auto 50%;
  display: grid;
  gap: 0.35rem;
  width: min(28rem, calc(100% - 3rem));
  padding: 1.25rem;
  border: 1px solid rgb(114 214 230 / 24%);
  border-radius: 0.6rem;
  background: rgb(7 17 21 / 92%);
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
  text-align: center;
  transform: translate(-50%, -50%);
}

.asset-map-no-script strong {
  color: var(--text);
}

.asset-map-meaning {
  position: absolute;
  right: 0.8rem;
  bottom: 0.8rem;
  max-width: 23rem;
  margin: 0;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgb(255 255 255 / 12%);
  border-radius: 0.35rem;
  background: rgb(4 10 12 / 88%);
  color: #d7e2e4;
  font-size: 0.76rem;
  line-height: 1.4;
}

.asset-map-unavailable {
  display: grid;
  gap: 0.15rem;
  padding: 1rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.asset-map-unavailable strong {
  color: var(--text);
}

.asset-map-tools {
  padding: 1rem 1.5rem 0.6rem;
}

.asset-map-filter-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.asset-map-filter-heading h3 {
  margin: 0;
  font-size: 0.92rem;
  letter-spacing: -0.01em;
}

.asset-map-filter-actions {
  display: flex;
  gap: 0.45rem;
}

.asset-map-filter-actions button,
.asset-index-more,
.technology-filter {
  min-height: 2.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
}

.asset-map-filter-actions button,
.asset-index-more {
  padding: 0.35rem 0.7rem;
}

.asset-map-filter-actions button:hover,
.asset-index-more:hover:not([aria-disabled="true"]),
.technology-filter:hover,
.technology-filter[aria-pressed="true"] {
  border-color: rgb(114 214 230 / 58%);
  background: rgb(114 214 230 / 9%);
  color: var(--text);
}

.technology-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.75rem;
}

.technology-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.technology-summary li {
  display: inline-flex;
  gap: 0.45rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.technology-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.65rem;
}

.technology-count {
  color: #829499;
  font-variant-numeric: tabular-nums;
}

.asset-map-visible-count,
.asset-map-source,
.asset-map-geometry-source,
.asset-index p {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.asset-map-visible-count {
  margin: 0.7rem 0 0;
  font-variant-numeric: tabular-nums;
}

.asset-index {
  margin-inline: 1.5rem;
  border-top: 1px solid var(--line);
}

.asset-index summary {
  padding-block: 0.9rem;
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
}

.asset-index ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 1px;
  background: var(--line);
  list-style: none;
}

.asset-index li {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
  padding: 0.75rem;
  background: #0b1215;
  font-size: 0.8rem;
}

.asset-index li strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.asset-index li span {
  color: var(--text-muted);
}

.asset-index-more {
  min-height: 2.75rem;
  margin-bottom: 0.8rem;
}

.asset-index-more[aria-disabled="true"] {
  cursor: default;
  opacity: 0.6;
}

.asset-map-source,
.asset-map-geometry-source {
  margin: 0;
  padding: 0.8rem 1.5rem 0;
  line-height: 1.5;
}

.asset-map-geometry-source {
  padding-bottom: 1rem;
  color: #7f9196;
  font-size: 0.7rem;
}

.footer-inner {
  min-height: 7rem;
}

.footer-inner p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

@keyframes energy-field-drift-a {
  from {
    transform: translate3d(-1rem, 0.6rem, 0) scale(1.006) rotate(-0.4deg);
  }

  to {
    transform: translate3d(1.4rem, -0.7rem, 0) scale(1.025) rotate(0.5deg);
  }
}

@keyframes energy-field-drift-b {
  from {
    transform: translate3d(1rem, -0.6rem, 0) scale(1.012) rotate(0.4deg);
  }

  to {
    transform: translate3d(-1.3rem, 0.8rem, 0) scale(0.996) rotate(-0.45deg);
  }
}

@keyframes energy-field-flow {
  from { stroke-dashoffset: 12; }
  to { stroke-dashoffset: -88; }
}

@keyframes energy-field-particle {
  0% { stroke-dashoffset: 0; opacity: 0; }
  8% { opacity: 0.85; }
  88% { opacity: 0.85; }
  100% { stroke-dashoffset: -100; opacity: 0; }
}

@keyframes energy-field-pulse {
  0%,
  100% {
    opacity: 0.06;
    transform: scale(0.74);
  }

  48% {
    opacity: 0.3;
    transform: scale(1.3);
  }
}

@media (max-width: 48rem) {
  .shell {
    width: min(calc(100% - 1.5rem), var(--max-width));
  }

  .header-inner {
    align-items: flex-start;
    min-height: auto;
    padding-block: 1.2rem;
  }

  .header-inner,
  .footer-inner,
  .first-light,
  .section-heading {
    display: block;
  }

  .header-inner nav {
    gap: 0.85rem;
    margin-top: 0.9rem;
  }

  .first-light {
    min-height: auto;
    padding-block: 3.2rem 5rem;
  }

  .energy-field {
    inset: -3% -26vw 10% -32vw;
    opacity: 0.47;
    -webkit-mask-image: linear-gradient(180deg, rgb(0 0 0 / 88%) 0%, #000 58%, transparent 96%);
    mask-image: linear-gradient(180deg, rgb(0 0 0 / 88%) 0%, #000 58%, transparent 96%);
  }

  .energy-field-flow path:nth-child(n + 3),
  .energy-field-particles path:nth-child(n + 3),
  .energy-field-mesh path:nth-child(n + 5),
  .energy-field-nodes circle:nth-child(3n),
  .energy-field-pulses circle:not(:nth-child(2)) {
    display: none;
  }

  h1 {
    font-size: clamp(2.75rem, 15vw, 4.5rem);
  }

  .asset-map-card {
    margin-top: 3rem;
  }

  .asset-map-heading,
  .asset-map-filter-heading {
    align-items: flex-start;
  }

  .asset-map-stage {
    height: min(33rem, 66vh);
  }

  .asset-index ul {
    display: block;
    background: transparent;
  }

  .asset-index li {
    margin-bottom: 1px;
  }

  .section-heading {
    padding-bottom: 1.5rem;
  }

  .principle-grid,
  .content-grid,
  .proof-grid {
    display: block;
    background: transparent;
  }

  .proof-panel {
    margin-bottom: 1rem;
  }

  .proof-visual {
    height: 22rem;
  }

  .principle-grid article,
  .content-card {
    min-height: auto;
    margin-bottom: 1rem;
    border: 1px solid var(--line);
  }

  .principle-number {
    margin-bottom: 2rem;
  }

  .footer-inner {
    padding-block: 2rem;
  }

  .footer-inner nav {
    margin-top: 1rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .energy-field-flow,
  .energy-field-particles {
    opacity: 0.45;
  }
}