/* Ursly developer experience. Colors come only from brand/tokens.css. */
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}
body {
  margin: 0;
  min-height: 100vh;
  background: var(--es-ground);
  color: var(--es-ink);
  font-family: var(--es-font-body);
  font-size: var(--es-step-0);
  line-height: 1.65;
  overflow-x: hidden;
}
a {
  color: var(--es-pore-hi);
  text-underline-offset: 0.3em;
}
button,
input,
textarea {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
  border: 1px solid var(--es-glass-line);
  color: var(--es-ink);
  background: var(--es-glass);
  padding: 0.65rem 1.15rem;
  border-radius: var(--es-radius-pill);
  transition:
    background var(--es-dur-ui),
    border-color var(--es-dur-ui),
    transform var(--es-dur-ui);
}
button:hover {
  background: var(--es-surface-2);
  border-color: color-mix(in oklab, var(--es-pore) 40%, transparent);
  transform: translateY(-1px);
}
button:disabled {
  opacity: 0.55;
  cursor: wait;
  transform: none;
}
button[aria-pressed="true"],
.primary {
  background: var(--es-pore);
  border-color: var(--es-pore);
  color: var(--es-pore-ink);
}
a.primary {
  display: inline-block;
  text-decoration: none;
  padding: 0.7rem 1.35rem;
  border-radius: var(--es-radius-pill);
}
:focus-visible {
  outline: 2px solid var(--es-pore);
  outline-offset: 4px;
}
[hidden] {
  display: none !important;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 10;
  background: var(--es-ground);
  padding: 1rem;
}
.skip:focus {
  top: 1rem;
}

/* Ambient room: the same floor rings and sense colors as the experience. */
.field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(60vw 40vw at 78% 18%, var(--es-glow-soft), transparent 70%),
    radial-gradient(50vw 50vw at 10% 110%, var(--es-corona), transparent 70%);
}
.ring {
  position: absolute;
  left: 50%;
  top: 92%;
  border: 1px solid color-mix(in oklab, var(--es-pore) 16%, transparent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.r1 {
  width: 70vw;
  height: 22vw;
}
.r2 {
  width: 104vw;
  height: 34vw;
  border-color: color-mix(in oklab, var(--es-pore) 10%, transparent);
}
.r3 {
  width: 140vw;
  height: 48vw;
  border-color: color-mix(in oklab, var(--es-ink) 6%, transparent);
}
.orbit {
  position: absolute;
  left: 50%;
  top: 92%;
  width: 104vw;
  height: 34vw;
  transform: translate(-50%, -50%);
  animation: orbit-breathe var(--es-dur-pulse) var(--es-ease-breath) infinite
    alternate;
}
.orbit i {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--tone, var(--es-pore));
  box-shadow: 0 0 18px var(--tone, var(--es-pore));
}
.orbit i:nth-child(1) {
  left: 4%;
  top: 30%;
}
.orbit i:nth-child(2) {
  left: 22%;
  top: 5%;
}
.orbit i:nth-child(3) {
  left: 47%;
  top: -1%;
}
.orbit i:nth-child(4) {
  left: 73%;
  top: 6%;
}
.orbit i:nth-child(5) {
  left: 93%;
  top: 31%;
}
.orbit i:nth-child(6) {
  left: 99%;
  top: 50%;
}
@keyframes orbit-breathe {
  from {
    opacity: 0.45;
  }
  to {
    opacity: 1;
  }
}
.tone-hear {
  --tone: var(--es-hear);
}
.tone-move {
  --tone: var(--es-move);
}
.tone-smell {
  --tone: var(--es-smell);
}
.tone-taste {
  --tone: var(--es-taste);
}
.tone-view {
  --tone: var(--es-view);
}
.tone-touch {
  --tone: var(--es-touch);
}

/* Header and navigation */
.docs-header,
main,
footer {
  position: relative;
  z-index: 1;
}
.docs-header {
  --docs-header-target-size: max(44px, 2.75rem);
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  /* Side columns never shrink below their content: the wider circuit
     wordmark must not slide under the centred navigation. */
  grid-template-columns: minmax(max-content, 1fr) auto minmax(max-content, 1fr);
  align-items: center;
  gap: 1rem;
  padding: 0.9rem max(1.25rem, calc((100vw - 1320px) / 2));
  background: color-mix(in oklab, var(--es-ground) 78%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--es-glass-line);
}
.docs-header a {
  display: inline-flex;
  align-items: center;
  min-width: var(--docs-header-target-size);
  min-height: var(--docs-header-target-size);
}
.identity {
  justify-self: start;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  text-decoration: none;
  color: var(--es-ink);
  white-space: nowrap;
}
/* The circuit wordmark is artwork, never type; 44px high keeps it at 98px wide. */
.identity-wordmark {
  display: block;
  width: auto;
  height: var(--es-header-brand-height);
  aspect-ratio: var(--es-brand-wordmark-ratio);
}
.identity strong {
  font-weight: 400;
  color: var(--es-muted);
}
.docs-nav {
  display: flex;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: thin;
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--es-glass-line);
  border-radius: var(--es-radius-pill);
  background: var(--es-glass);
}
.docs-nav a {
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 0.4rem 1.1rem;
  border-radius: var(--es-radius-pill);
  color: var(--es-muted);
  text-decoration: none;
  transition:
    color var(--es-dur-ui),
    background var(--es-dur-ui);
}
.docs-nav a:hover {
  color: var(--es-ink);
}
.docs-nav a[aria-current="page"] {
  background: transparent;
  box-shadow: inset 0 0 0 2px var(--es-pore);
  color: var(--es-pore);
}
.docs-back {
  justify-self: end;
  gap: 0.5rem;
  padding-inline: 0.85rem;
  color: var(--es-ink);
  border: 1px solid var(--es-line);
  border-radius: var(--es-radius-pill);
  background: var(--es-surface-2);
  white-space: nowrap;
  text-decoration: none;
}
.docs-back:hover {
  color: var(--es-pore-hi);
}
.docs-back-short {
  display: none;
}

/* Type */
main {
  width: min(1320px, calc(100% - 2.5rem));
  margin: 0 auto;
}
section {
  padding: clamp(3.5rem, 8vw, 7rem) 0;
  border-top: 1px solid var(--es-glass-line);
}
section.hero {
  border-top: 0;
}
h1,
h2,
h3 {
  margin: 0 0 1rem;
  font-family: var(--es-font-display);
  font-weight: var(--es-display-weight);
  letter-spacing: var(--es-display-tracking);
  line-height: 1.04;
}
h1,
.hero-title {
  font-size: var(--es-step-4);
  letter-spacing: -0.055em;
}
.hero-title {
  max-width: none;
}
h2 {
  font-size: var(--es-step-3);
  max-width: 18ch;
}
h3 {
  font-size: var(--es-step-1);
  letter-spacing: -0.02em;
}
p {
  margin: 0 0 1rem;
}
.iris-text {
  background: linear-gradient(
    100deg,
    var(--es-pore-hi),
    var(--es-pore) 35%,
    var(--es-view) 62%,
    var(--es-smell)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  font-size: var(--es-step-1);
  line-height: 1.45;
  color: var(--es-ink);
  max-width: 34ch;
}
.section-lead {
  max-width: 68ch;
  color: var(--es-muted);
}
.eyebrow,
.capsule-label {
  margin: 0 0 1rem;
  color: var(--es-pore);
  font-family: var(--es-font-data);
  font-size: var(--es-text-small);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.note,
.disclosure {
  color: var(--es-muted);
  font-size: var(--es-text-small);
  max-width: 70ch;
}
code {
  font-family: var(--es-font-data);
  font-size: 0.875rem;
  color: var(--es-pore-hi);
}
pre {
  margin: 0;
  max-width: 100%;
  overflow: auto;
  padding: 1.1rem;
  border-radius: var(--es-radius-m);
  background: color-mix(in oklab, var(--es-abyss) 80%, transparent);
  border: 1px solid var(--es-glass-line);
}
pre code {
  color: var(--es-ink);
}
.choices,
.hero-links,
.artifact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  align-items: center;
  margin: 1rem 0;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  min-height: calc(100vh - 4.5rem);
  padding-top: clamp(3rem, 7vw, 6rem);
}
.hero-split {
  align-items: start;
  min-height: 0;
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
}
.hero-split h1,
.hero-split .hero-title {
  font-size: clamp(2.6rem, 1.3rem + 4vw, 5.2rem);
}
.hero-split .lead {
  font-size: clamp(1.1rem, 1rem + 0.4vw, 1.3rem);
  max-width: 40ch;
  color: var(--es-muted);
}
.hero-split {
  grid-template-areas:
    "copy stage"
    "action stage";
  grid-template-rows: auto 1fr;
  row-gap: 0;
}
.hero-split > .hero-copy {
  grid-area: copy;
}
.hero-split > .hero-action {
  grid-area: action;
  min-width: 0;
}
.hero-split > .signal {
  grid-area: stage;
  position: sticky;
  top: 5.5rem;
}
.hero-split .payload {
  max-height: min(21rem, 42vh);
}
.hero-compact {
  display: block;
  min-height: 0;
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}
.hero-compact h1 {
  font-size: clamp(2.6rem, 1.3rem + 4vw, 5.2rem);
}
.hero-compact + section {
  padding-top: clamp(2rem, 4vw, 3.5rem);
}
.hero-compact .lead {
  max-width: 48ch;
}
.hero-action > .prompt-deck,
.hero-action > .lang-panel {
  margin-top: 1.5rem;
}

/* Prompt capsule: looks like what it is, a message for your agent. */
.capsule {
  position: relative;
  padding: 1.1rem 1.2rem 1rem;
  border-radius: 20px;
  border: 1px solid color-mix(in oklab, var(--es-pore) 34%, transparent);
  background:
    linear-gradient(
      160deg,
      color-mix(in oklab, var(--es-pore) 9%, transparent),
      transparent 45%
    ),
    var(--es-glass);
  box-shadow:
    0 0 0 1px color-mix(in oklab, var(--es-pore) 6%, transparent),
    0 30px 90px -50px var(--es-glow);
  backdrop-filter: blur(14px);
}
.capsule-summary {
  color: var(--es-muted);
  font-size: var(--es-text-small);
  margin-bottom: 0.7rem;
}
.prompt {
  padding: 0;
  border: 0;
  background: none;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  font-family: var(--es-font-body);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--es-ink);
  max-height: 22rem;
}
.prompt [data-slot] {
  color: var(--es-pore-hi);
  border-bottom: 1px dashed color-mix(in oklab, var(--es-pore) 55%, transparent);
}
.capsule-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  align-items: center;
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--es-glass-line);
}
.capsule-hint {
  color: var(--es-muted);
  font-size: var(--es-text-small);
}
.prompt-deck {
  max-width: 880px;
}
.deck-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 1rem;
  padding: 0.25rem;
  border-radius: var(--es-radius-pill);
  border: 1px solid var(--es-glass-line);
  background: var(--es-glass);
}
.deck-tabs [role="tab"] {
  border: 0;
  background: transparent;
  color: var(--es-muted);
  padding: 0.45rem 1.1rem;
}
.deck-tabs [role="tab"][aria-selected="true"] {
  background: var(--es-pore);
  color: var(--es-pore-ink);
}

/* Live signal stage */
.signal {
  position: relative;
  margin: 0;
  min-width: 0;
  padding: 1.1rem 1.25rem 1.25rem;
  border-radius: 24px;
  border: 1px solid var(--es-glass-line);
  background:
    radial-gradient(
      120% 70% at 80% 0%,
      color-mix(in oklab, var(--es-pore) 10%, transparent),
      transparent 60%
    ),
    linear-gradient(
      180deg,
      color-mix(in oklab, var(--es-surface) 86%, transparent),
      color-mix(in oklab, var(--es-abyss) 92%, transparent)
    );
  box-shadow: 0 50px 140px -70px var(--es-glow);
  overflow: hidden;
}
.signal::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    color-mix(in oklab, var(--es-ink) 3%, transparent) 0 1px,
    transparent 1px 4px
  );
  opacity: 0.5;
}
.signal > * {
  position: relative;
}
.signal-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  align-items: center;
  font-family: var(--es-font-data);
  font-size: var(--es-text-small);
}
.signal-live {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  color: var(--es-pore);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.signal-live i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--es-pore);
  box-shadow: 0 0 12px var(--es-pore);
  animation: live 1.6s ease-in-out infinite;
}
@keyframes live {
  50% {
    opacity: 0.25;
  }
}
.signal-call {
  color: var(--es-ink);
}
.signal-route {
  margin-left: auto;
  color: var(--es-muted);
}
.op-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.9rem 0 0;
}
.op-chips button {
  padding: 0.35rem 0.85rem;
  font-family: var(--es-font-data);
  font-size: 0.875rem;
}
.signal-path {
  display: grid;
  grid-template-columns: auto minmax(2rem, 1fr) auto;
  gap: 0.9rem;
  align-items: center;
  margin: 1.4rem 0 0.4rem;
  font-family: var(--es-font-data);
  font-size: var(--es-text-small);
  color: var(--es-muted);
}
.node {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.35rem 0.8rem;
  border-radius: var(--es-radius-pill);
  border: 1px solid var(--es-glass-line);
  white-space: nowrap;
}
.node-api {
  color: var(--es-ink);
  transition:
    box-shadow 600ms,
    border-color 600ms;
}
.beam {
  position: relative;
  height: 2px;
  background: var(--es-line);
  border-radius: 2px;
}
.beam i {
  position: absolute;
  inset: 0;
  transform: scaleX(0);
  border-radius: 2px;
}
.beam .out {
  transform-origin: left;
  background: linear-gradient(90deg, transparent, var(--es-pore));
}
.beam .in {
  transform-origin: right;
  background: linear-gradient(
    270deg,
    var(--es-smell),
    var(--es-view),
    var(--es-pore-hi)
  );
}
.pulse {
  position: absolute;
  top: 50%;
  left: 0;
  width: 10px;
  height: 10px;
  margin: -5px 0 0 -5px;
  border-radius: 50%;
  background: var(--es-pore-hi);
  box-shadow: 0 0 16px 4px var(--es-glow);
  opacity: 0;
}
.signal[data-phase="sending"] .beam .out {
  transform: scaleX(1);
  transition: transform 700ms var(--es-ease-breath);
}
.signal[data-phase="sending"] .pulse {
  animation: travel 700ms var(--es-ease-breath) forwards;
}
.signal[data-phase="received"] .beam .out,
.signal[data-phase="payload"] .beam .out {
  transform: scaleX(1);
}
.signal[data-phase="received"] .beam .in,
.signal[data-phase="payload"] .beam .in {
  transform: scaleX(1);
  transition: transform 520ms var(--es-ease-breath);
}
.signal[data-tone="ok"] .node-api {
  border-color: var(--es-pore);
  box-shadow: 0 0 0 6px var(--es-glow-soft);
}
@keyframes travel {
  0% {
    left: 0;
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  100% {
    left: 100%;
    opacity: 0.2;
  }
}
.signal-status {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.2rem;
  align-items: flex-end;
  margin: 0.4rem 0 1rem;
}
.digits {
  display: flex;
  height: 1em;
  overflow: hidden;
  font-family: var(--es-font-display);
  font-size: clamp(4.2rem, 9vw, 7.5rem);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--es-line);
  font-variant-numeric: tabular-nums;
  transition: filter 600ms;
}
.reel {
  display: flex;
  flex-direction: column;
  transform: translateY(calc(var(--d, 0) * -1em));
}
.reel span {
  height: 1em;
}
.signal[data-phase="received"] .reel,
.signal[data-phase="payload"] .reel {
  transition: transform 1s cubic-bezier(0.16, 0.84, 0.18, 1);
}
.signal[data-phase="received"] .reel:nth-child(2),
.signal[data-phase="payload"] .reel:nth-child(2) {
  transition-delay: 90ms;
}
.signal[data-phase="received"] .reel:nth-child(3),
.signal[data-phase="payload"] .reel:nth-child(3) {
  transition-delay: 180ms;
}
.signal[data-tone="ok"] .digits {
  color: var(--es-pore-hi);
  filter: drop-shadow(0 0 22px var(--es-glow));
}
.signal[data-tone="warn"] .digits {
  color: var(--es-muted);
}
.signal-meta {
  margin: 0 0 0.9rem;
  font-family: var(--es-font-data);
  font-size: var(--es-text-small);
  color: var(--es-muted);
  max-width: 34ch;
}
.signal[data-tone="ok"] .signal-meta {
  color: var(--es-ink);
}
.payload {
  max-height: 24rem;
  font-size: 0.875rem;
  line-height: 1.6;
}
.payload code {
  font-size: 0.875rem;
}
.payload {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.payload .ln {
  display: inline-block;
  max-width: 100%;
}
.payload {
  transition: opacity 300ms;
}
.signal[data-phase="sending"] .payload {
  opacity: 0.3;
}
.signal[data-phase="received"] .payload .ln {
  opacity: 0;
}
.signal[data-phase="payload"] .payload .ln {
  animation: line-in 420ms var(--es-ease-breath) both;
  animation-delay: calc(var(--i) * 22ms);
}
@keyframes line-in {
  from {
    opacity: 0;
    transform: translateX(-10px);
    filter: blur(3px);
  }
}
.tk-key {
  color: var(--es-ink);
}
.tk-string {
  color: var(--es-pore-hi);
}
.tk-number {
  color: var(--es-move);
}
.tk-bool {
  color: var(--es-smell);
}
.tk-null {
  color: var(--es-muted);
}

/* Grids */
.hood-grid,
.action-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1rem;
}

/* Form fields (endpoint search) */
label {
  display: block;
  margin: 1rem 0 0.4rem;
  color: var(--es-muted);
  font-size: var(--es-text-small);
}
input,
textarea {
  width: 100%;
  color: var(--es-ink);
  background: color-mix(in oklab, var(--es-abyss) 80%, transparent);
  border: 1px solid var(--es-line);
  border-radius: var(--es-radius-m);
  padding: 0.8rem 1rem;
}
li {
  margin-bottom: 0.4rem;
}

/* CLI platforms */
.platforms {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
  max-width: 980px;
}
.platforms li {
  display: grid;
  margin: 0;
  padding: 0.8rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--es-glass-line);
  background: var(--es-glass);
}
.platforms span,
.platforms small {
  color: var(--es-muted);
  font-size: var(--es-text-small);
}
.platforms li[data-published="true"] {
  border-color: color-mix(in oklab, var(--es-pore) 45%, transparent);
}
.platforms li[data-published="true"] small {
  color: var(--es-pore-hi);
}

/* SDK languages */
.lang-grid {
  display: grid;
  /* Five across when each card fits its mono "Maintained" label. */
  grid-template-columns: repeat(auto-fit, minmax(6.25rem, 1fr));
  gap: 0.5rem;
  margin: 0.25rem 0 0;
}
.lang {
  display: grid;
  gap: 0.15rem;
  justify-items: center;
  text-align: center;
  padding: 0.85rem 0.4rem 0.7rem;
  border-radius: 18px;
}
.lang[aria-pressed="true"] {
  background:
    linear-gradient(
      160deg,
      color-mix(in oklab, var(--es-pore) 22%, transparent),
      transparent 70%
    ),
    var(--es-surface);
  border-color: var(--es-pore);
  color: var(--es-ink);
  box-shadow: 0 24px 70px -40px var(--es-glow);
}
.lang-mark {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 0.3rem;
  border-radius: 50%;
  border: 1px solid var(--es-glass-line);
  font-family: var(--es-font-data);
  color: var(--es-pore-hi);
}
.lang[aria-pressed="true"] .lang-mark {
  border-color: var(--es-pore);
  box-shadow: 0 0 22px var(--es-glow);
}
.lang-name {
  font-size: 1.05rem;
}
.lang-tag,
.lang-status {
  color: var(--es-muted);
  font-size: var(--es-text-small);
}
.lang[aria-pressed="true"] .lang-tag {
  color: var(--es-pore-hi);
}
.lang-status[data-published="true"] {
  color: var(--es-pore-hi);
}
.panel-title {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  align-items: baseline;
  margin-bottom: 0.9rem;
  color: var(--es-muted);
  font-size: var(--es-text-small);
  font-family: var(--es-font-data);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.panel-title .lang-status {
  padding: 0.1rem 0.7rem;
  border-radius: var(--es-radius-pill);
  border: 1px solid var(--es-glass-line);
  letter-spacing: 0.04em;
  text-transform: none;
}
.generated-languages button {
  padding: 0.4rem 0.95rem;
}

/* Lifecycle flow */
.flow {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  counter-reset: flow;
}
.flow li {
  position: relative;
  display: grid;
  gap: 0.3rem;
  margin: 0;
  padding: 1.2rem 0 0;
  border-top: 2px solid var(--es-line);
}
.flow li::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--es-pore);
  box-shadow: 0 0 14px var(--es-pore);
}
.flow li:nth-child(3)::before {
  background: var(--es-pore-hi);
}
.flow strong {
  font-weight: 400;
  font-size: var(--es-step-1);
}
.flow span {
  color: var(--es-muted);
  font-size: var(--es-text-small);
}

/* Under the hood */
.hood details > summary {
  display: grid;
  gap: 0.2rem;
  cursor: pointer;
  list-style: none;
}
.hood details > summary::-webkit-details-marker {
  display: none;
}
.hood details > summary .eyebrow {
  margin: 0;
}
.hood-title {
  font-size: var(--es-step-2);
  font-weight: var(--es-display-weight);
  letter-spacing: var(--es-display-tracking);
}
.hood-title::after {
  content: " +";
  color: var(--es-pore);
}
.hood details[open] .hood-title::after {
  content: " −";
}
.hood details[open] > summary {
  margin-bottom: 1.5rem;
}
.hood-grid article,
.action-list article,
.assurance,
.endpoint {
  padding: 1.2rem;
  border-radius: 16px;
  border: 1px solid var(--es-glass-line);
  background: var(--es-glass);
  min-width: 0;
}
.hood-grid {
  margin-bottom: 1.5rem;
}

/* Reference */
.endpoint {
  margin: 1rem 0;
}
.endpoint h3 {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: baseline;
  font-size: var(--es-step-1);
}
.method {
  font-family: var(--es-font-data);
  font-size: var(--es-text-small);
  color: var(--es-pore);
}
.responses {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.4rem 1rem;
}
dt {
  font-family: var(--es-font-data);
  color: var(--es-pore-hi);
}
dd {
  margin: 0;
  min-width: 0;
}
summary {
  cursor: pointer;
  color: var(--es-muted);
  margin: 0.5rem 0;
}
.assurance {
  margin: 1rem 0;
}

/* Downloads */
.download-plan {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.download-plan article {
  padding: 1.3rem;
  border-radius: 18px;
  border: 1px dashed var(--es-line);
  background: var(--es-glass);
}
.download-plan p:not(.eyebrow) {
  color: var(--es-muted);
  font-size: var(--es-text-small);
}
#release-status {
  font-family: var(--es-font-data);
  color: var(--es-muted);
}
.download-group {
  padding: 2rem 0 0;
  border: 0;
}
.download-group > h3 {
  font-size: var(--es-step-1);
}
.download-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 0.8rem;
}
.download-group > h3 {
  grid-column: 1 / -1;
  margin: 0;
}
.download {
  display: grid;
  gap: 0.3rem;
  min-width: 0;
  padding: 1.1rem 1.2rem;
  border-radius: 16px;
  border: 1px solid var(--es-glass-line);
  background: var(--es-glass);
}
.download a {
  color: var(--es-ink);
  text-decoration: none;
}
.download a:hover {
  color: var(--es-pore-hi);
}
.download p {
  margin: 0;
  color: var(--es-muted);
  font-size: var(--es-text-small);
}
.download code {
  overflow-wrap: anywhere;
  color: var(--es-muted);
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  padding: 2rem max(1.25rem, calc((100vw - 1320px) / 2));
  border-top: 1px solid var(--es-glass-line);
  color: var(--es-muted);
  font-size: var(--es-text-small);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero {
    min-height: 0;
  }
  .hero-split {
    grid-template-areas:
      "copy"
      "stage"
      "action";
    row-gap: 2rem;
  }
  .hero-split > .signal {
    position: relative;
    top: 0;
  }
  .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 700px) {
  .docs-back-long {
    display: none;
  }
  .docs-back-short {
    display: inline;
  }
  .docs-header {
    grid-template-columns: 1fr auto;
  }
  .docs-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-wrap: wrap;
    overflow-x: visible;
    border-radius: var(--es-radius-m);
    justify-content: flex-start;
  }
  .docs-nav a {
    padding: 0.35rem 0.75rem;
  }
  main {
    width: calc(100% - 2rem);
  }
  h2 {
    max-width: none;
  }
  .signal {
    padding: 0.9rem 0.9rem 1rem;
    border-radius: 18px;
  }
  .signal-route {
    margin-left: 0;
  }
  .signal-path {
    grid-template-columns: auto minmax(0.75rem, 1fr) auto;
    gap: 0.5rem;
  }
  .node {
    padding: 0.3rem 0.6rem;
  }
  .flow {
    grid-template-columns: minmax(0, 1fr);
  }
  .lang-grid,
  .platforms {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .responses {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  ::before,
  ::after {
    animation: none !important;
    transition: none !important;
  }
}

/* Reduced motion (entrance.js sets data-motion) pauses the ambient orbit and
   the LIVE dot page-wide. */
:root[data-motion="paused"] .orbit,
:root[data-motion="paused"] .signal-live i {
  animation-play-state: paused;
}

/* Every screen size (brand book): every control and standalone link is at
   least 44 by 44px, whatever the width; inline links in prose are exempt. */
.hero-links a,
.artifact-links a,
.footer-links a,
.op-chips button,
.deck-tabs [role="tab"] {
  display: inline-flex;
  align-items: center;
  min-width: 44px;
  min-height: 44px;
}
/* Disclosure rows keep their marker: grow the row rather than flex it. */
.endpoint summary {
  min-height: 44px;
  padding-block: 0.6rem;
  box-sizing: border-box;
}
/* Small phones (under 400px): IBM Plex Mono labels set wider than the
   former system mono, so route nodes wrap and the language grid halves. */
@media (max-width: 400px) {
  .signal-path {
    grid-template-columns: minmax(0, auto) minmax(0.75rem, 1fr) minmax(0, auto);
  }
  .node {
    white-space: normal;
    overflow-wrap: anywhere;
    text-align: center;
  }
  .lang-grid,
  .platforms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
/* The navigation folds onto its own row before it can touch the identity. */
@media (max-width: 1100px) {
  .docs-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .docs-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
  }
}
/* Small phones: the wordmark keeps its 96px minimum, so the "Developers"
   label stays for assistive technology only; the nav names the section. */
@media (max-width: 400px) {
  .identity strong {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}