@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Manrope:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,400;6..72,500&display=swap");

:root {
  --ink: #eaf2f1;
  --ink-muted: #9db2b4;
  --ink-faint: #6d8285;
  --paper: #0a1114;
  --paper-raised: #0e181b;
  --paper-soft: #132024;
  --line: #294044;
  --line-bright: #426269;
  --mint: #75ead7;
  --cyan: #a9d9f3;
  --amber: #f5c84b;
  --coral: #f07d64;
  --display: "Newsreader", Georgia, serif;
  --sans: "Manrope", sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --measure: 72rem;
  --grid: rgba(120, 176, 180, 0.105);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    radial-gradient(circle at 75% 5%, rgba(30, 119, 111, 0.15), transparent 28rem),
    var(--paper);
  background-size: 2.5rem 2.5rem, 2.5rem 2.5rem, auto, auto;
  font-family: var(--sans);
  line-height: 1.65;
}

a {
  color: var(--cyan);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  border: 0 !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  color: var(--paper);
  background: var(--amber);
  transform: translateY(-200%);
}

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 5rem;
  padding: 0.75rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(10, 17, 20, 0.93);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.85rem;
  height: 2.85rem;
  padding: 0.35rem 0;
  border: 1px solid var(--line-bright);
  color: var(--mint);
  font: 600 0.55rem/0.65rem var(--mono);
  letter-spacing: 0.15em;
  text-align: center;
}

.brand-mark span:nth-child(2) {
  color: var(--amber);
}

.brand-copy {
  display: grid;
  line-height: 1.1;
}

.brand-copy strong {
  font: 500 1.25rem var(--display);
}

.brand-copy small {
  margin-top: 0.3rem;
  color: var(--ink-faint);
  font: 500 0.61rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-navigation {
  justify-self: center;
}

.site-navigation > ul,
.site-navigation .nav-group > ul,
.section-rail ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.site-navigation > ul {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.site-navigation .nav-group {
  position: relative;
}

.site-navigation .nav-group-label,
.site-navigation a,
.repo-link {
  color: var(--ink-muted);
  font: 500 0.72rem var(--mono);
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-navigation a[aria-current="page"],
.site-navigation a:hover,
.repo-link:hover {
  color: var(--ink);
}

.site-navigation .nav-group > ul {
  position: absolute;
  top: 100%;
  left: -1rem;
  display: none;
  min-width: 13rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  background: var(--paper-raised);
}

.site-navigation .nav-group:hover > ul,
.site-navigation .nav-group:focus-within > ul {
  display: grid;
  gap: 0.3rem;
}

.site-navigation .nav-group > ul a {
  display: block;
  padding: 0.55rem 0.65rem;
  text-transform: none;
}

.repo-link {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line-bright);
}

.nav-toggle {
  display: none;
  color: var(--ink);
  border: 1px solid var(--line);
  background: transparent;
  font: 500 0.72rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-doc .site-frame {
  grid-template-columns: minmax(13rem, 17rem) minmax(0, 1fr);
  width: min(100%, 96rem);
  margin: 0 auto;
}

.section-rail {
  position: sticky;
  top: 5rem;
  align-self: start;
  height: calc(100vh - 5rem);
  padding: 4rem 2rem;
  border-right: 1px solid var(--line);
  background: rgba(10, 17, 20, 0.45);
  overflow-y: auto;
}

.rail-kicker,
.page-kicker,
.eyebrow {
  color: var(--mint);
  font: 600 0.68rem var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-rail > ul {
  display: grid;
  gap: 1.35rem;
}

.section-rail a,
.section-rail .nav-group-label {
  color: var(--ink-muted);
  font-size: 0.85rem;
  text-decoration: none;
}

.section-rail a[aria-current="page"] {
  color: var(--mint);
}

.section-rail .nav-group > ul {
  display: grid;
  gap: 0.45rem;
  padding: 0.55rem 0 0 0.85rem;
  border-left: 1px solid var(--line);
}

.content-shell {
  width: min(100%, var(--measure));
  min-height: 72vh;
  padding: clamp(3rem, 7vw, 7rem) clamp(1.2rem, 5vw, 5rem);
}

.page-home .content-shell {
  width: min(100%, 92rem);
  margin: 0 auto;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.05;
  text-wrap: balance;
}

h1 {
  max-width: 15ch;
  margin: 0.25em 0 0.55em;
  font: 400 clamp(3rem, 6vw, 5.75rem)/0.96 var(--display);
  letter-spacing: -0.035em;
}

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

h1 em {
  color: var(--mint);
  font-weight: 400;
}

h2 {
  padding-top: 3rem;
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  font: 400 clamp(1.85rem, 3vw, 3rem) var(--display);
}

h3 {
  font: 500 1.45rem var(--display);
}

p,
li {
  color: var(--ink-muted);
}

.content-shell > p,
.content-shell > ul,
.content-shell > ol {
  max-width: 50rem;
}

code,
pre {
  font-family: var(--mono);
}

pre {
  padding: 1.35rem;
  color: #cde5e6;
  border: 1px solid var(--line);
  background: rgba(5, 11, 13, 0.8);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.9rem;
}

th,
td {
  padding: 0.9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--mint);
  font: 500 0.72rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.headerlink {
  margin-left: 0.4em;
  color: var(--line-bright);
  font-family: var(--mono);
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(24rem, 0.88fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  min-height: calc(100vh - 12rem);
  padding: 1rem 0 6rem;
}

.eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.eyebrow span + span::before {
  content: "/";
  margin-right: 1.25rem;
  color: var(--line-bright);
}

.hero-lede {
  max-width: 44rem;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
}

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

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 3rem;
  padding: 0.75rem 1.15rem;
  border: 1px solid var(--line-bright);
  font: 600 0.72rem var(--mono);
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.button-primary {
  color: var(--paper);
  border-color: var(--mint);
  background: var(--mint);
}

.button-primary:hover {
  color: var(--paper);
  background: var(--cyan);
}

.button-secondary {
  color: var(--ink);
  background: rgba(12, 24, 27, 0.65);
}

.button-disabled {
  color: var(--ink-faint);
  cursor: not-allowed;
}

.hero-instrument {
  border: 1px solid var(--line-bright);
  background: rgba(7, 15, 17, 0.78);
  box-shadow: 1rem 1rem 0 rgba(41, 64, 68, 0.18);
}

.instrument-header,
.instrument-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  font: 500 0.62rem var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.instrument-header {
  border-bottom: 1px solid var(--line);
  color: var(--ink-faint);
}

.instrument-header strong {
  color: var(--amber);
  font-weight: 500;
}

.instrument-footer {
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
}

.instrument-body {
  position: relative;
  aspect-ratio: 1;
  margin: 1.5rem;
  overflow: hidden;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid var(--line-bright);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transform-origin: center;
  will-change: transform;
}

.orbit::before,
.orbit::after {
  position: absolute;
  width: 0.45rem;
  height: 0.45rem;
  border: 1px solid var(--mint);
  background: var(--paper);
  content: "";
}

.orbit::before {
  top: -0.25rem;
  left: 50%;
}

.orbit::after {
  right: -0.25rem;
  bottom: 22%;
}

.orbit-outer {
  width: 88%;
  height: 88%;
  animation: instrument-orbit 24s linear infinite;
}

.orbit-middle {
  width: 62%;
  height: 62%;
  border-style: dashed;
  animation: instrument-orbit-reverse 17s linear infinite;
}

.orbit-inner {
  width: 36%;
  height: 36%;
  animation: instrument-orbit 11s linear infinite;
}

.instrument-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 22%;
  aspect-ratio: 1;
  color: var(--paper);
  background: var(--mint);
  transform: translate(-50%, -50%) rotate(45deg);
  animation: instrument-core-pulse 4.8s ease-in-out infinite;
}

.instrument-core > * {
  transform: rotate(-45deg);
}

@keyframes instrument-orbit {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes instrument-orbit-reverse {
  from {
    transform: translate(-50%, -50%) rotate(360deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(0deg);
  }
}

@keyframes instrument-core-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(106, 225, 207, 0);
  }

  50% {
    box-shadow: 0 0 0 0.55rem rgba(106, 225, 207, 0.09);
  }
}

.instrument-core span {
  font: 600 0.52rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.instrument-core strong {
  margin-top: -1rem;
  font: 500 1.1rem var(--display);
}

.instrument-label {
  position: absolute;
  padding: 0.25rem 0.4rem;
  color: var(--ink-muted);
  background: var(--paper);
  font: 500 0.58rem var(--mono);
  text-transform: uppercase;
}

.label-runtime {
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
}

.label-present {
  right: 0;
  bottom: 19%;
}

.label-observe {
  bottom: 19%;
  left: 0;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: solid var(--line);
  border-width: 1px 0;
}

.proof-strip > div {
  padding: 1.5rem;
  border-right: 1px solid var(--line);
}

.proof-strip > div:last-child {
  border: 0;
}

.proof-strip span,
.card-index {
  color: var(--amber);
  font: 500 0.65rem var(--mono);
}

.proof-strip strong {
  display: block;
  margin-top: 1.3rem;
  font: 500 1rem var(--mono);
}

.proof-strip p {
  margin: 0.4rem 0 0;
  font-size: 0.78rem;
}

.card-grid,
.path-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 2rem 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-card,
.path-grid article {
  min-height: 15rem;
  padding: 1.6rem;
  background: var(--paper-raised);
}

.feature-card:nth-child(2) {
  background: var(--paper-soft);
}

.feature-card h3,
.path-grid h3 {
  margin-top: 3.5rem;
}

.path-grid article > span {
  color: var(--mint);
  font: 500 0.68rem var(--mono);
}

.path-grid a {
  font: 500 0.74rem var(--mono);
  text-decoration: none;
}

.roadmap-list {
  display: grid;
  gap: 1px;
  margin: 2rem 0 3rem;
  border: 1px solid var(--line);
  background: var(--line);
}

.roadmap-list article {
  position: relative;
  display: grid;
  grid-template-columns: 8rem minmax(12rem, 0.75fr) minmax(16rem, 1.25fr);
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.35rem 1.5rem;
  background: var(--paper-raised);
}

.roadmap-list article::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--mint);
}

.roadmap-list article > span {
  color: var(--gold);
  font: 600 0.68rem var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.roadmap-list h2,
.roadmap-list p {
  margin: 0;
}

.evidence-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
  margin: 2rem 0;
  padding: 2rem;
  border: 1px solid var(--line-bright);
  background: rgba(13, 26, 29, 0.78);
}

.state-list {
  margin: 0;
}

.state-list > div {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
}

.state-list dt {
  color: var(--amber);
  font: 500 0.72rem var(--mono);
  text-transform: uppercase;
}

.state-list dd {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.island-stage {
  display: grid;
  grid-template-columns: 1fr auto;
  min-height: 20rem;
  margin: 2rem 0;
  border: 1px dashed var(--line-bright);
  background:
    linear-gradient(135deg, rgba(117, 234, 215, 0.04), transparent 35%),
    rgba(7, 15, 17, 0.84);
}

.island-stage[data-state="loading"] {
  border-style: solid;
  border-color: var(--amber);
}

.island-stage[data-state="ready"] {
  border-style: solid;
  border-color: var(--mint);
}

.island-stage[data-state="unsupported"],
.island-stage[data-state="failed"] {
  border-style: solid;
  border-color: var(--gold);
}

.island-fallback {
  align-self: center;
  max-width: 42rem;
  padding: 2.5rem;
}

.island-fallback .button + .button {
  margin-left: 0.65rem;
}

.island-fallback .button[hidden] {
  display: none;
}

.island-fallback[hidden],
.island-mount[hidden] {
  display: none;
}

.runtime-observation-failure {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  border-left: 2px solid var(--gold);
  background: rgba(255, 196, 64, 0.06);
  color: var(--ink);
  overflow-wrap: anywhere;
}

.runtime-observation-island[data-state="failed"] {
  grid-template-columns: minmax(0, 1fr);
  min-height: 0;
}

.runtime-observation-island[data-state="failed"] .island-fallback {
  align-self: stretch;
  max-width: none;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.runtime-observation-island[data-state="failed"] .island-fallback h2 {
  max-width: 22ch;
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.runtime-observation-island[data-state="failed"] .island-status {
  grid-template-columns: auto minmax(0, 1fr);
  align-content: start;
  gap: 1rem;
  min-width: 0;
  border-top: 1px solid var(--line);
  border-left: 0;
}

.runtime-observation-island[data-state="failed"] .island-status span:last-child {
  overflow-wrap: anywhere;
}

.island-mount {
  min-width: 0;
}

.asteroids-island {
  grid-template-columns: 1fr auto;
  min-height: 28rem;
}

.asteroids-island .island-mount {
  grid-column: 1 / -1;
  width: 100%;
}

.asteroids-frame {
  display: block;
  width: 100%;
  height: clamp(34rem, 68vw, 50rem);
  border: 0;
  background: #03090b;
}

.paint-island {
  grid-template-columns: 1fr auto;
  min-height: 34rem;
}

.paint-island .island-mount {
  grid-column: 1 / -1;
  width: 100%;
}

.paint-frame {
  display: block;
  width: 100%;
  height: clamp(38rem, 78vw, 58rem);
  border: 0;
  background: #071012;
}

.visualizer-island {
  grid-template-columns: 1fr auto;
  min-height: 32rem;
}

.visualizer-island .island-mount {
  grid-column: 1 / -1;
  width: 100%;
}

.visualizer-frame {
  display: block;
  width: 100%;
  height: clamp(32rem, 62vw, 46rem);
  border: 0;
  background: #050b0e;
}

.kernel-ui-island {
  grid-template-columns: 1fr auto;
  min-height: 34rem;
}

.kernel-ui-island .island-mount {
  grid-column: 1 / -1;
  width: 100%;
}

.kernel-ui-frame {
  display: block;
  width: 100%;
  height: clamp(42rem, 76vw, 58rem);
  border: 0;
  background: #061012;
}

.ratatui-lab-island {
  grid-template-columns: 1fr auto;
  min-height: 34rem;
}

.ratatui-lab-island .island-mount {
  grid-column: 1 / -1;
  width: 100%;
}

.ratatui-lab-frame {
  display: block;
  width: 100%;
  height: clamp(38rem, 68vw, 52rem);
  border: 0;
  background: #071012;
}

.asset-evidence {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  min-height: 32rem;
}

.asset-evidence-preview {
  display: grid;
  grid-template-rows: auto minmax(24rem, 1fr);
  min-width: 0;
  padding: 1rem;
  border-right: 1px solid var(--line);
}

.asset-evidence-preview-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0 0.8rem;
  color: var(--ink-faint);
  font: 500 0.62rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.asset-evidence-preview-header strong {
  color: var(--amber);
}

.asset-evidence-preview canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 24rem;
  max-height: 36rem;
  border: 1px dashed var(--line-bright);
  background: #080d0f;
}

.asset-evidence-report {
  min-width: 0;
  padding: 1.5rem;
}

.asset-evidence-report h3 {
  overflow-wrap: anywhere;
}

.asset-evidence-report > p:not(.eyebrow, .asset-evidence-privacy) {
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.asset-evidence-report dl {
  display: grid;
  grid-template-columns: minmax(7rem, 1fr) auto;
  gap: 0.55rem 1rem;
  margin: 1.5rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
}

.asset-evidence-report dt {
  color: var(--ink-muted);
}

.asset-evidence-report dd {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  text-align: right;
}

.asset-evidence-verdict {
  padding: 0.85rem;
  border: 1px solid var(--line-bright);
  color: var(--ink-muted);
  background: rgba(15, 31, 34, 0.78);
  font: 500 0.7rem/1.5 var(--mono);
}

.asset-evidence-verdict[data-result="pass"] {
  border-color: var(--mint);
  color: var(--mint);
}

.asset-evidence-verdict[data-result="failed"] {
  border-color: var(--gold);
  color: var(--gold);
}

.asset-evidence-diagnostics {
  margin-top: 1.5rem;
}

.asset-evidence-diagnostics > strong {
  color: var(--mint);
  font: 600 0.66rem var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.asset-evidence-diagnostics ul {
  max-height: 8rem;
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
  overflow: auto;
  color: var(--ink-muted);
  font-size: 0.75rem;
}

.asset-evidence-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.asset-evidence-controls .button {
  cursor: pointer;
}

.asset-evidence-controls label:focus-within {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

.evidence-banner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 2rem 0;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(90deg, rgb(109 224 207 / 0.05), transparent 48%),
    var(--panel);
  box-shadow: 10px 10px 0 rgb(3 11 14 / 0.52);
}

.evidence-banner > div {
  min-width: 0;
  padding: 1.1rem 1.25rem;
  border-right: 1px solid var(--line);
}

.evidence-banner > div:last-child {
  border-right: 0;
}

.evidence-label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.evidence-banner strong {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
}

.evidence-type-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.asset-evidence-controls input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.asset-evidence-privacy {
  margin-bottom: 0;
  color: var(--ink-faint);
  font: 500 0.6rem/1.5 var(--mono);
  text-transform: uppercase;
}

.island-status {
  display: grid;
  align-content: space-between;
  min-width: 12rem;
  padding: 1rem;
  border-left: 1px solid var(--line);
  color: var(--ink-faint);
  font: 500 0.62rem var(--mono);
  text-transform: uppercase;
}

.island-status span:first-child {
  color: var(--amber);
}

.island-stage[data-state="ready"] .island-status span:first-child {
  color: var(--mint);
}

.island-stage[data-state="failed"] .island-status span:first-child {
  color: var(--gold);
}

.next-step {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  margin-top: 4rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.next-step > span {
  color: var(--mint);
  font: 500 0.65rem var(--mono);
  text-transform: uppercase;
}

.next-step p {
  margin: 0.2rem 0 0;
  font-size: 0.82rem;
}

.next-step a {
  font: 500 0.72rem var(--mono);
  text-decoration: none;
  text-transform: uppercase;
}

.decision-flow {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 2.5rem 0;
  border: 1px solid var(--line);
}

.decision-flow > div {
  position: relative;
  min-height: 11rem;
  padding: 1.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.decision-flow > div:nth-child(even) {
  border-right: 0;
}

.decision-flow > div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.decision-flow span {
  color: var(--amber);
  font: 500 0.65rem var(--mono);
}

.decision-flow strong {
  display: block;
  margin-top: 2rem;
  font: 500 1.15rem var(--mono);
}

.decision-flow p {
  margin-bottom: 0;
  font-size: 0.85rem;
}

.quote-panel {
  margin: 3rem 0;
  padding: 2rem;
  border-left: 3px solid var(--mint);
  background: var(--paper-soft);
}

.quote-panel span {
  color: var(--amber);
  font: 500 0.65rem var(--mono);
  text-transform: uppercase;
}

.quote-panel blockquote {
  margin: 1rem 0 0;
  font: 400 clamp(1.65rem, 2.7vw, 2.4rem) var(--display);
}

.admonition {
  margin: 2rem 0;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  background: var(--paper-raised);
}

.admonition-title {
  margin-top: 0;
  color: var(--amber);
  font: 500 0.7rem var(--mono);
  text-transform: uppercase;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem clamp(1rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  background: var(--paper);
  font: 500 0.66rem var(--mono);
  text-transform: uppercase;
}

.site-footer > div {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.site-footer a {
  color: var(--ink-muted);
  text-decoration: none;
}

.status-light {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0.8rem rgba(245, 200, 75, 0.45);
}

@media (max-width: 68rem) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-toggle {
    display: block;
    padding: 0.65rem 0.8rem;
  }

  .repo-link {
    display: none;
  }

  .site-navigation {
    position: absolute;
    top: 100%;
    right: 1rem;
    left: 1rem;
    display: none;
    padding: 1rem;
    border: 1px solid var(--line);
    background: var(--paper-raised);
  }

  .site-navigation[data-open="true"] {
    display: block;
  }

  .site-navigation > ul {
    display: grid;
    align-items: stretch;
    gap: 0.75rem;
  }

  .site-navigation .nav-group > ul {
    position: static;
    display: grid;
    margin-top: 0.4rem;
    padding: 0.35rem 0 0 0.75rem;
    border: 0;
    border-left: 1px solid var(--line);
    background: transparent;
  }

  .page-doc .site-frame {
    grid-template-columns: 1fr;
  }

  .section-rail {
    display: none;
  }

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

  .hero-instrument {
    width: min(100%, 34rem);
  }

  .proof-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-strip > div:nth-child(2) {
    border-right: 0;
  }

  .proof-strip > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 44rem) {
  body {
    background-size: 1.5rem 1.5rem, 1.5rem 1.5rem, auto, auto;
  }

  .site-header {
    min-height: 4.3rem;
  }

  .brand-copy small {
    display: none;
  }

  .content-shell {
    padding-top: 3.5rem;
  }

  .hero {
    min-height: auto;
  }

  .proof-strip,
  .card-grid,
  .path-grid,
  .evidence-panel,
  .evidence-banner,
  .decision-flow,
  .island-stage {
    grid-template-columns: 1fr;
  }

  .evidence-banner > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .evidence-banner > div:last-child {
    border-bottom: 0;
  }

  .roadmap-list article {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .proof-strip > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .feature-card,
  .path-grid article {
    min-height: 12rem;
  }

  .state-list > div {
    grid-template-columns: 1fr;
  }

  .island-status {
    min-height: 5rem;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .asset-evidence {
    grid-template-columns: 1fr;
  }

  .asset-evidence-preview {
    grid-template-rows: auto minmax(18rem, 45vh);
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .asset-evidence-preview canvas {
    min-height: 18rem;
  }

  .decision-flow > div,
  .decision-flow > div:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .decision-flow > div:last-child {
    border-bottom: 0;
  }

  .next-step {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}

@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;
  }
}

@media (forced-colors: active) {
  .button,
  .hero-instrument,
  .island-stage,
  .asset-evidence-preview canvas,
  .asset-evidence-verdict {
    border-color: CanvasText;
  }

  .button-primary {
    color: ButtonText;
    background: ButtonFace;
  }

  .orbit,
  .instrument-core {
    forced-color-adjust: none;
  }
}