/* ==========================================================================
   TurboDL / transmission bench

   Independent visual system for TurboDL only. The structure borrows from the
   product: a fixed engineering rail, a telemetry strip, parallel shard plots,
   terminal output, and hard-edged instrument panels.
   ========================================================================== */

@font-face {
  font-family: "Turbo Display";
  src: url("fonts/sentient-300.woff2") format("woff2");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "Turbo Display";
  src: url("fonts/sentient-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Turbo Display";
  src: url("fonts/sentient-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --bg: #090c0b;
  --bg-deep: #050706;
  --panel: #0e1311;
  --panel-2: #121916;
  --panel-3: #17201c;
  --ink: #eef3ed;
  --ink-soft: #d3dcd5;
  --muted: #9ba9a1;
  --muted-2: #6f7d75;
  --line: #253029;
  --line-strong: #3b4a41;
  --signal: #c8ff4a;
  --signal-strong: #d9ff83;
  --signal-ink: #0b1009;
  --cyan: #62e7e7;
  --cyan-dim: #173f3e;
  --warn: #ff7c5c;
  --warn-dim: #46251d;
  --ok: #7fe3a2;
  --rail: 276px;
  --content: 1180px;
  --gutter: clamp(1.25rem, 4.1vw, 4.6rem);
  --font-display: "Turbo Display", "Noto Serif CJK SC", "Source Han Serif SC",
    "Songti SC", serif;
  --font-ui: "Bahnschrift", "Aptos", "Segoe UI Variable", "PingFang SC",
    "Microsoft YaHei UI", sans-serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", "Consolas",
    "Liberation Mono", monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snap: cubic-bezier(0.2, 0.8, 0.2, 1);
  --shadow-hard: 6px 6px 0 rgba(200, 255, 74, 0.09);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 86% 4%, rgba(98, 231, 231, 0.075), transparent 26rem),
    linear-gradient(rgba(200, 255, 74, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 255, 74, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 32px 32px, 32px 32px, auto;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

::selection {
  background: var(--signal);
  color: var(--signal-ink);
}

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

a {
  color: inherit;
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--signal-strong);
  text-decoration-color: var(--signal);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button,
summary,
a {
  touch-action: manipulation;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(3.35rem, 7.4vw, 7.4rem);
}

h2 {
  font-size: clamp(2.15rem, 4.2vw, 4.15rem);
}

h3 {
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  line-height: 1.16;
}

p,
li {
  text-wrap: pretty;
}

strong {
  color: var(--ink);
  font-weight: 650;
}

em {
  font-style: italic;
}

code,
pre,
kbd,
samp,
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

code {
  color: var(--signal-strong);
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

.mono,
.num {
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.small {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

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

.tight {
  margin-top: 0.55rem;
}

.wrap {
  width: min(100%, 1380px);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: fixed;
  z-index: 200;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--signal);
  color: var(--signal-ink);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 180ms var(--ease-snap);
}

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

/* --------------------------------------------------------------------------
   Application chrome
   -------------------------------------------------------------------------- */

.app {
  min-height: 100svh;
}

.side {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 60;
  display: flex;
  width: var(--rail);
  min-height: 100svh;
  flex-direction: column;
  padding: 1.35rem 1rem 1rem;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(98, 231, 231, 0.045), transparent 14rem),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    #080b0a;
  background-size: auto, 24px 24px, 24px 24px, auto;
}

.side-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 48px;
  padding: 0 0.3rem;
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.8rem;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  place-items: center;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(200, 255, 74, 0.14), transparent 50%),
    var(--panel);
  color: var(--signal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.brand-mark svg {
  width: 23px;
  height: 23px;
}

.brand-copy {
  display: grid;
  gap: 0.06rem;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.035em;
}

.brand-sub,
.tool-label,
.channel-kicker,
.side-status,
.side-foot,
.hero-facts dt,
.telemetry-grid span,
.telemetry-foot,
.plot-label,
.runtime-grid span,
.telemetry-head,
.band-state,
.node-code,
.process-code,
.foot-sys {
  font-family: var(--font-mono);
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.brand-sub {
  color: var(--muted-2);
  font-size: 0.64rem;
  line-height: 1.2;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle-copy {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.nav-toggle-icon {
  display: grid;
  width: 18px;
  gap: 5px;
}

.nav-toggle-icon i {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform 180ms var(--ease-snap);
}

.side-status {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.5rem;
  align-items: center;
  margin: 1.3rem 0 1.6rem;
  padding: 0.7rem 0.65rem;
  border-block: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.66rem;
}

.signal-dot,
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(200, 255, 74, 0.1), 0 0 18px rgba(200, 255, 74, 0.45);
  vertical-align: middle;
}

.signal-dot.is-warn,
.status-dot.is-warn {
  background: var(--warn);
  box-shadow: 0 0 0 4px rgba(255, 124, 92, 0.1), 0 0 18px rgba(255, 124, 92, 0.35);
}

.side-release {
  color: var(--signal);
  white-space: nowrap;
}

.side-nav {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.side-nav a {
  position: relative;
  display: grid;
  grid-template-columns: 2.25rem 1fr auto;
  min-height: 55px;
  align-items: center;
  gap: 0.45rem;
  padding: 0 0.35rem;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  transition:
    color 160ms ease,
    background-color 160ms ease,
    padding 220ms var(--ease-out);
}

.side-nav a::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  content: "";
  background: var(--signal);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 220ms var(--ease-out);
}

.side-nav a:hover,
.side-nav a[aria-current="page"] {
  padding-left: 0.7rem;
  background: linear-gradient(90deg, rgba(200, 255, 74, 0.075), transparent 86%);
  color: var(--ink);
}

.side-nav a:hover::before,
.side-nav a[aria-current="page"]::before {
  transform: scaleY(1);
}

.nav-index {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.side-nav a[aria-current="page"] .nav-index {
  color: var(--signal);
}

.nav-label {
  font-size: 0.96rem;
  font-weight: 600;
}

.nav-arrow {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  opacity: 0;
  transform: translate(-5px, 5px);
  transition:
    transform 220ms var(--ease-out),
    opacity 160ms ease;
}

.side-nav a:hover .nav-arrow,
.side-nav a[aria-current="page"] .nav-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

.side-tools {
  display: grid;
  gap: 1rem;
  margin-top: auto;
  padding: 2rem 0.35rem 1.2rem;
}

.langs {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  align-items: center;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.tool-label {
  padding: 0 0.55rem;
  color: var(--muted-2);
  font-size: 0.62rem;
}

.langs a,
.lang-cur {
  display: grid;
  min-height: 34px;
  place-items: center;
  border-left: 1px solid var(--line);
  text-decoration: none;
}

.langs a:hover {
  background: var(--panel-2);
}

.lang-cur {
  background: var(--signal);
  color: var(--signal-ink);
}

.repo-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-block: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-decoration: none;
  text-transform: uppercase;
}

.repo-link span:last-child {
  color: var(--signal);
  transition: transform 180ms var(--ease-out);
}

.repo-link:hover span:last-child {
  transform: translate(2px, -2px);
}

.side-foot {
  display: flex;
  gap: 0.65rem;
  padding: 0 0.35rem;
  color: var(--muted-2);
  font-size: 0.59rem;
}

.side-foot span + span::before {
  margin-right: 0.65rem;
  color: var(--line-strong);
  content: "/";
}

.side-scrim {
  display: none;
}

/* --------------------------------------------------------------------------
   Main canvas and telemetry strip
   -------------------------------------------------------------------------- */

.canvas {
  min-height: 100svh;
  margin-left: var(--rail);
  counter-reset: section;
  background:
    radial-gradient(circle at 79% 0%, rgba(98, 231, 231, 0.04), transparent 34rem),
    linear-gradient(90deg, transparent 0 49.9%, rgba(200, 255, 74, 0.025) 50%, transparent 50.1%);
}

.canvas-top {
  position: sticky;
  z-index: 40;
  top: 0;
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 var(--gutter);
  border-bottom: 1px solid var(--line);
  background: rgba(9, 12, 11, 0.94);
}

.canvas-channel {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.channel-mark {
  width: 14px;
  height: 14px;
  border: 1px solid var(--signal);
  background:
    linear-gradient(90deg, transparent 43%, var(--signal) 43% 57%, transparent 57%),
    linear-gradient(transparent 43%, var(--signal) 43% 57%, transparent 57%);
  transform: rotate(45deg);
}

.channel-kicker {
  color: var(--muted-2);
  font-size: 0.63rem;
}

.canvas-channel strong {
  min-width: 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.canvas-telemetry {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
}

.canvas-telemetry span {
  white-space: nowrap;
}

.canvas-telemetry i {
  margin-right: 0.42rem;
  color: var(--muted-2);
  font-style: normal;
}

.scroll-track {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  overflow: hidden;
}

.scroll-track i {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--signal));
  transform: scaleX(0);
  transform-origin: left;
  will-change: transform;
}

.crumbs {
  display: flex;
  width: min(100%, var(--content));
  margin-inline: auto;
  align-items: center;
  gap: 0.6rem;
  padding: 1.1rem var(--gutter) 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.crumbs a {
  text-decoration: none;
}

.crumbs .sep {
  color: var(--muted-2);
}

.crumbs [aria-current="page"] {
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   Sections and typographic rhythm
   -------------------------------------------------------------------------- */

.canvas > section {
  width: min(100%, var(--content));
  margin-inline: auto;
  padding: clamp(3.8rem, 6vw, 5.8rem) var(--gutter);
  border-bottom: 1px solid var(--line);
}

.canvas > section.section {
  counter-increment: section;
}

.canvas > section > h1 {
  max-width: 11ch;
  margin-bottom: 1.3rem;
}

.canvas > section > h1 + .lead {
  margin-top: 0;
}

.canvas > section:first-of-type:not(.hero-bench) {
  padding-top: clamp(3.4rem, 6vw, 5.5rem);
}

.section {
  position: relative;
}

.section > h2 {
  position: relative;
  max-width: 12ch;
  margin-bottom: clamp(1.8rem, 4vw, 3.2rem);
  padding-left: clamp(0rem, 1.8vw, 1.7rem);
}

.section > h2::before {
  position: absolute;
  top: 0.05em;
  left: 0;
  content: "SEC." counter(section, decimal-leading-zero);
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.59rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  transform: translateY(-1.25rem);
}

.section:not(:has(> h2)) {
  padding-top: clamp(4rem, 8vw, 7rem);
}

.lead,
.section-lead {
  max-width: 70ch;
  color: var(--muted);
  font-size: clamp(1.06rem, 1.4vw, 1.26rem);
  line-height: 1.7;
}

.lead {
  color: var(--ink-soft);
}

.section-lead {
  margin-bottom: 2.5rem;
}

.section-foot {
  max-width: 70ch;
  margin-top: 2.1rem;
  padding-left: 1rem;
  border-left: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.9rem;
}

.push-right {
  margin-left: clamp(0rem, 8vw, 8rem);
}

.seg-rule {
  display: flex;
  width: min(100%, 570px);
  height: 3px;
  gap: 4px;
  margin-bottom: 1.7rem;
  overflow: hidden;
}

.seg-rule i {
  display: block;
  min-width: 8px;
  background: var(--line-strong);
  transform-origin: left;
}

.seg-rule i.done {
  background: var(--signal);
}

.section > .seg-rule {
  width: 100%;
  max-width: none;
  margin-bottom: 1.5rem;
}

.signal-rule {
  display: flex;
  width: min(100%, 620px);
  height: 5px;
  gap: 5px;
  margin: 2rem 0;
}

.signal-rule i {
  flex: 1;
  background: var(--line-strong);
}

.signal-rule i:nth-child(1),
.signal-rule i:nth-child(4) {
  background: var(--signal);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero-bench {
  position: relative;
  display: grid;
  width: 100%;
  max-width: 1600px !important;
  min-height: calc(100svh - 54px);
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  gap: clamp(2.2rem, 5vw, 6rem);
  align-items: center;
  margin-inline: auto !important;
  padding: clamp(3.5rem, 7vw, 7rem) var(--gutter) !important;
  isolation: isolate;
  border-bottom: 1px solid var(--line) !important;
}

.hero-bench::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background:
    linear-gradient(115deg, transparent 0 63%, rgba(200, 255, 74, 0.055) 63.1% 63.25%, transparent 63.35%),
    radial-gradient(circle at 78% 45%, rgba(98, 231, 231, 0.09), transparent 24rem);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  max-width: 900px;
}

.eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.69rem;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.eyebrow > span:not(:first-child)::before {
  margin-right: 0.6rem;
  color: var(--line-strong);
  content: "/";
}

.eyebrow .status-dot {
  width: 6px;
  height: 6px;
}

.eyebrow-tail {
  color: var(--signal);
}

.hero-title {
  display: grid;
  max-width: 9.6ch;
  font-size: clamp(4.5rem, 9.2vw, 9.2rem);
  font-weight: 300;
  line-height: 0.82;
  letter-spacing: -0.058em;
}

.hero-title span {
  display: block;
}

.hero-title:lang(zh) {
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.hero-title .signal-text {
  color: var(--signal);
}

.hero-note {
  max-width: 58ch;
  margin-top: 2.25rem;
  color: var(--ink-soft);
  font-size: clamp(1.07rem, 1.5vw, 1.28rem);
  line-height: 1.64;
}

.hero-act {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.1rem;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, auto));
  justify-content: start;
  gap: 0;
  margin-top: 3.2rem;
  border-block: 1px solid var(--line);
}

.hero-facts div {
  min-width: 9rem;
  padding: 0.8rem 1.1rem;
  border-left: 1px solid var(--line);
}

.hero-facts div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-facts dt {
  color: var(--muted-2);
  font-size: 0.6rem;
}

.hero-facts dd {
  margin-top: 0.22rem;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  white-space: nowrap;
}

.telemetry-board {
  position: relative;
  align-self: center;
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(200, 255, 74, 0.06), transparent 30%),
    var(--panel);
  box-shadow: var(--shadow-hard);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.telemetry-board::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 44px;
  height: 1px;
  content: "";
  background: var(--cyan);
  transform: rotate(45deg) translate(12px, -8px);
  transform-origin: right;
}

.telemetry-head,
.telemetry-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.64rem;
}

.telemetry-head {
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line);
}

.telemetry-head span {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.telemetry-head .signal-dot {
  width: 5px;
  height: 5px;
}

.telemetry-head code {
  color: var(--cyan);
  font-size: 0.68rem;
}

.telemetry-readout {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 1rem;
  padding: 1.5rem 0 1.2rem;
}

.telemetry-speed,
.telemetry-workers {
  display: flex;
  align-items: flex-end;
  gap: 0.55rem;
}

.telemetry-speed strong {
  color: var(--signal);
  font-family: var(--font-display);
  font-size: clamp(4.4rem, 7vw, 6.5rem);
  font-weight: 300;
  line-height: 0.78;
  letter-spacing: -0.06em;
}

.telemetry-speed span {
  padding-bottom: 0.2rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.73rem;
}

.telemetry-workers {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 0.7rem;
  padding-bottom: 0.1rem;
}

.telemetry-workers strong {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1;
}

.telemetry-workers span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  line-height: 1.35;
  text-transform: uppercase;
}

.telemetry-plot {
  position: relative;
  padding: 0.85rem 0 1.1rem;
  border-block: 1px solid var(--line);
}

.plot-label {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--muted-2);
  font-size: 0.56rem;
}

.shard-field {
  display: flex;
  height: 84px;
  align-items: stretch;
  gap: 4px;
  overflow: hidden;
  background:
    linear-gradient(rgba(200, 255, 74, 0.055) 1px, transparent 1px);
  background-size: 100% 21px;
}

.shard-field i {
  position: relative;
  flex: 1;
  min-width: 2px;
  background: rgba(255, 255, 255, 0.025);
}

.shard-field i::before {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: var(--p, 0%);
  content: "";
  background: linear-gradient(180deg, var(--cyan), var(--signal));
  transition: height 520ms var(--ease-out);
}

.shard-field i:nth-child(3n)::before {
  background: linear-gradient(180deg, var(--signal), #8dbd28);
}

.shard-field i:nth-child(4n)::before {
  opacity: 0.62;
}

.shard-inline {
  display: inline-flex;
  width: clamp(5.5rem, 14vw, 9rem);
  height: 0.92em;
  align-items: flex-end;
  gap: 2px;
  margin-inline: 0.2em;
  vertical-align: -0.05em;
}

.shard-inline i {
  display: block;
  width: 3px;
  height: var(--p, 20%);
  flex: 1;
  min-width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--signal));
  transition: height 520ms var(--ease-out);
}

.plot-axis {
  position: absolute;
  right: 0;
  bottom: 1.1rem;
  left: 0;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}

.plot-axis i {
  width: 1px;
  height: 6px;
  background: var(--line-strong);
}

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

.telemetry-grid div {
  display: grid;
  gap: 0.1rem;
  padding: 0.7rem 0.4rem;
  border-bottom: 1px solid var(--line);
}

.telemetry-grid div:nth-child(odd) {
  padding-left: 0;
  border-right: 1px solid var(--line);
}

.telemetry-grid span {
  color: var(--muted-2);
  font-size: 0.55rem;
}

.telemetry-grid b {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 400;
}

.telemetry-foot {
  padding-top: 0.75rem;
}

.telemetry-foot b {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.btn {
  position: relative;
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: space-between;
  gap: 1.35rem;
  padding: 0.72rem 1rem 0.72rem 1.15rem;
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition:
    color 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease,
    transform 180ms var(--ease-out),
    box-shadow 180ms var(--ease-out);
}

.btn::after {
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  content: "";
}

.btn:hover {
  border-color: var(--signal);
  color: var(--ink);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 rgba(200, 255, 74, 0.18);
}

.btn:active {
  transform: translate(0, 0);
  box-shadow: none;
}

.btn-primary {
  border-color: var(--signal);
  background: var(--signal);
  color: var(--signal-ink);
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--signal-strong);
  color: var(--signal-ink);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
}

.btn-arrow {
  color: var(--signal);
  font-size: 0.9rem;
  line-height: 1;
}

.btn-primary .btn-arrow {
  color: var(--signal-ink);
}

.btn-row.end-actions {
  margin-top: 1.25rem;
}

/* --------------------------------------------------------------------------
   Pipeline, notes and metrics
   -------------------------------------------------------------------------- */

.pipeline {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 1rem 0 2rem;
}

.pipeline-node {
  position: relative;
  flex: 1;
  min-width: 0;
  padding: 1.3rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(200, 255, 74, 0.045), transparent 6rem),
    var(--panel);
}

.pipeline-node::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 18px;
  height: 18px;
  border-right: 1px solid var(--signal);
  border-bottom: 1px solid var(--signal);
  content: "";
  opacity: 0.55;
}

.node-code {
  display: block;
  margin-bottom: 1.3rem;
  color: var(--muted-2);
  font-size: 0.6rem;
}

.node-value {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.node-value strong {
  color: var(--signal);
  font-family: var(--font-display);
  font-size: 4.8rem;
  font-weight: 300;
  line-height: 0.72;
  letter-spacing: -0.06em;
}

.node-value span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.69rem;
}

.pipeline-node > p:last-child {
  max-width: 31ch;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.pipeline-link {
  position: relative;
  display: block;
  width: 34px;
  flex: 0 0 34px;
}

.pipeline-link::before {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--line-strong);
}

.pipeline-link::after {
  position: absolute;
  top: calc(50% - 3px);
  right: 0;
  width: 6px;
  height: 6px;
  border-top: 1px solid var(--signal);
  border-right: 1px solid var(--signal);
  content: "";
  transform: rotate(45deg);
}

.process-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  list-style: none;
  background: var(--line);
}

.process-notes li {
  display: grid;
  min-height: 148px;
  align-content: start;
  gap: 1rem;
  padding: 1.2rem;
  background: var(--bg);
}

.process-code {
  color: var(--cyan);
  font-size: 0.64rem;
}

.process-notes p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.feature-matrix .table-wrap {
  border-top: 2px solid var(--signal);
}

.feature-matrix td:first-child {
  width: 31%;
}

.feature-name {
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 650;
}

.capability-surface,
.module-table {
  margin-top: 2.5rem;
}

.module-index {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-bottom: 2.4rem;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  list-style: none;
  counter-reset: module;
}

.module-index li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  min-height: 68px;
  padding: 0.9rem 1rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  counter-increment: module;
  transition:
    background-color 160ms ease,
    color 160ms ease;
}

.module-index li::before {
  color: var(--muted-2);
  content: counter(module, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.58rem;
}

.module-index li {
  grid-template-columns: 1.7rem minmax(0, 1fr) auto;
}

.module-index code {
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.module-index span {
  color: var(--muted);
  font-size: 0.75rem;
  text-align: right;
}

.module-index li:hover,
.module-index b.on {
  background: rgba(200, 255, 74, 0.045);
}

/* --------------------------------------------------------------------------
   Feature controls
   -------------------------------------------------------------------------- */

.band-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.band {
  position: relative;
  display: grid;
  min-height: 245px;
  align-content: start;
  gap: 0.9rem;
  padding: 1.3rem;
  background: var(--panel);
  transition: background-color 180ms ease;
}

.band.is-on {
  background:
    linear-gradient(135deg, rgba(200, 255, 74, 0.065), transparent 46%),
    var(--panel);
}

.band:nth-child(5) {
  grid-column: 1 / -1;
  min-height: 190px;
}

.band-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line);
}

.band-head code {
  color: var(--muted);
  font-size: 0.69rem;
}

.band-say {
  max-width: 28ch;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.18;
}

.band-conseq {
  max-width: 53ch;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.58;
}

.band-state {
  align-self: end;
  color: var(--muted-2);
  font-size: 0.57rem;
}

.band.is-on .band-state {
  color: var(--signal);
}

.sw {
  position: relative;
  width: 48px;
  height: 26px;
  flex: 0 0 48px;
  padding: 0;
  border: 1px solid var(--line-strong);
  background: var(--bg-deep);
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background-color 160ms ease;
}

.sw span {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 16px;
  height: 16px;
  background: var(--muted-2);
  transition:
    transform 220ms var(--ease-out),
    background-color 160ms ease;
}

.sw[aria-checked="true"] {
  border-color: var(--signal);
  background: rgba(200, 255, 74, 0.08);
}

.sw[aria-checked="true"] span {
  background: var(--signal);
  transform: translateX(22px);
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */

.surface,
.table-wrap {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.surface > .table-wrap {
  border: 0;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

thead {
  background: var(--panel-3);
}

th {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-align: left;
  text-transform: uppercase;
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  line-height: 1.55;
  vertical-align: top;
}

tr:last-child td {
  border-bottom: 0;
}

tbody tr {
  transition: background-color 150ms ease;
}

tbody tr:hover {
  background: rgba(200, 255, 74, 0.035);
}

td code {
  white-space: normal;
}

.req {
  display: inline-block;
  padding: 0.08rem 0.35rem;
  background: var(--signal);
  color: var(--signal-ink);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  counter-reset: card;
}

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

.card {
  position: relative;
  display: flex;
  min-height: 240px;
  flex-direction: column;
  padding: 1.4rem;
  overflow: hidden;
  background: var(--panel);
  counter-increment: card;
  transition:
    background-color 180ms ease,
    transform 220ms var(--ease-out);
}

.card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--line-strong);
  transform: scaleX(0.22);
  transform-origin: left;
  transition:
    transform 300ms var(--ease-out),
    background-color 180ms ease;
}

.card::after {
  position: absolute;
  top: 1rem;
  right: 1rem;
  content: "NODE / " counter(card, decimal-leading-zero);
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.55rem;
}

.card:hover {
  z-index: 1;
  background:
    linear-gradient(135deg, rgba(98, 231, 231, 0.045), transparent 45%),
    var(--panel-2);
  transform: translateY(-3px);
}

.card:hover::before {
  background: var(--signal);
  transform: scaleX(1);
}

.card h3 {
  max-width: calc(100% - 5.5rem);
  margin-bottom: 1rem;
}

.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.85rem;
  color: var(--muted);
  font-size: 0.91rem;
}

.card-body p {
  line-height: 1.6;
}

.card-body .btn-row {
  margin-top: auto;
  padding-top: 0.8rem;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.2rem 0;
}

.chip {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 0.14rem 0.48rem;
  border: 1px solid var(--line-strong);
  background: var(--bg-deep);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  line-height: 1.35;
}

/* --------------------------------------------------------------------------
   Panels, readouts, code and console
   -------------------------------------------------------------------------- */

.panel,
.runtime-panel,
.readout,
.manifest-frag,
.console {
  border: 1px solid var(--line);
  background: var(--panel);
}

.panel {
  padding: 1.2rem;
  border-top: 2px solid var(--cyan);
}

.panel-head,
.runtime-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.panel-state {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.panel-pct,
.runtime-head b {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 400;
}

.panel-bar,
.runtime-bar {
  height: 5px;
  margin: 1rem 0;
  overflow: hidden;
  background: var(--bg-deep);
}

.panel-bar i,
.runtime-bar i {
  display: block;
  width: var(--value, 62%);
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--signal));
  transform-origin: left;
}

.panel-grid,
.runtime-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.panel-grid > div,
.runtime-grid > div {
  display: grid;
  min-width: 0;
  gap: 0.2rem;
  padding: 0.75rem;
  background: var(--panel-2);
}

.panel-grid span,
.runtime-grid span {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.57rem;
  text-transform: uppercase;
}

.panel-grid b,
.runtime-grid b {
  overflow-wrap: anywhere;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 400;
}

.panel-foot,
.runtime-foot {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.runtime-stack {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 1rem;
  align-items: stretch;
}

.runtime-panel {
  padding: 1.2rem;
  border-top: 2px solid var(--signal);
}

.runtime-head span {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
}

.runtime-head .signal-dot {
  width: 5px;
  height: 5px;
}

.readout {
  padding: 1rem;
}

.readout-title {
  margin-bottom: 0.8rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--line-strong);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.readout-body {
  display: grid;
}

.readout-row {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 1rem;
  padding: 0.64rem 0.25rem;
  border-bottom: 1px solid var(--line);
}

.readout-row:last-child {
  border-bottom: 0;
}

.readout-key {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  overflow-wrap: anywhere;
}

.readout-val {
  color: var(--ink-soft);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
  text-align: right;
}

.readout-foot {
  margin-top: 0.8rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
}

.manifest-frag {
  margin-top: 1.4rem;
  padding: 1rem;
}

.manifest-frag .readout-title {
  margin-bottom: 1rem;
}

.manifest-frag pre {
  max-height: 430px;
}

.code {
  position: relative;
  margin-top: 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
  background: var(--bg-deep);
}

.code-cap {
  display: flex;
  min-height: 38px;
  align-items: center;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

pre {
  margin: 0;
  overflow: auto;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.72;
  tab-size: 2;
}

.code pre,
.console pre,
.manifest-frag pre {
  padding: 1rem;
}

.code pre {
  padding-right: 5rem;
}

.code pre code,
.console pre code,
.manifest-frag pre code {
  color: inherit;
  font-size: inherit;
  white-space: pre;
}

.console {
  overflow: hidden;
  border-top: 2px solid var(--cyan);
}

.console-cap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 42px;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  text-transform: uppercase;
}

.console-cap span:last-child {
  color: var(--cyan);
  text-transform: none;
}

.console pre {
  max-height: 420px;
  line-height: 1.58;
}

.code-copy {
  position: absolute;
  z-index: 2;
  top: 0.4rem;
  right: 0.4rem;
  min-width: 58px;
  min-height: 30px;
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  cursor: pointer;
  transition:
    color 150ms ease,
    border-color 150ms ease,
    background-color 150ms ease;
}

.code-copy:hover,
.code-copy.copied {
  border-color: var(--signal);
  color: var(--signal);
}

/* --------------------------------------------------------------------------
   Notices and FAQ
   -------------------------------------------------------------------------- */

.note {
  position: relative;
  margin: 1.15rem 0;
  padding: 1rem 1rem 1rem 1.2rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(98, 231, 231, 0.035);
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.note.warn {
  border-left-color: var(--warn);
  background: rgba(255, 124, 92, 0.045);
}

.note.ok {
  border-left-color: var(--ok);
}

.faq {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0.25rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.62rem);
  line-height: 1.25;
  list-style: none;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary i {
  position: relative;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

.faq-item summary i::before,
.faq-item summary i::after {
  position: absolute;
  top: 50%;
  left: 0;
  width: 18px;
  height: 1px;
  content: "";
  background: var(--signal);
  transition: transform 180ms var(--ease-out);
}

.faq-item summary i::after {
  transform: rotate(90deg);
}

.faq-item[open] summary i::after {
  transform: rotate(0deg);
}

.faq-item .answer {
  max-width: 74ch;
  padding: 0 3.2rem 1.4rem 0.25rem;
  color: var(--muted);
}

.faq-item .answer a {
  color: var(--cyan);
}

/* --------------------------------------------------------------------------
   Refusal section, CTA, 404
   -------------------------------------------------------------------------- */

.section-refusals {
  width: 100% !important;
  max-width: none !important;
  padding-inline: max(var(--gutter), calc((100vw - var(--rail) - var(--content)) / 2 + var(--gutter))) !important;
  background:
    repeating-linear-gradient(135deg, transparent 0 16px, rgba(255, 124, 92, 0.025) 16px 17px),
    linear-gradient(180deg, #100f0d, var(--bg));
}

.refusal-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1rem 4rem;
  align-items: end;
  margin-bottom: 2.5rem;
}

.refusal-head .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 0.4rem;
}

.refusal-head h2 {
  max-width: 12ch;
  font-size: clamp(2.2rem, 4.4vw, 4.3rem);
}

.refusal-head .section-lead {
  margin: 0;
}

.section-refusals td:first-child code {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted-2);
  font-size: 0.66rem;
}

.section-refusals .chip {
  margin: 0.15rem 0.2rem 0.15rem 0;
  border-color: #654136;
  background: var(--warn-dim);
  color: #ffd4c8;
}

.cta-line {
  max-width: 34ch;
  margin-bottom: 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.6vw, 2.2rem);
  line-height: 1.2;
}

.cta-terminal {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--signal);
  background: var(--bg-deep);
}

.cta-prompt {
  padding-left: 1rem;
  color: var(--signal);
  font-family: var(--font-mono);
}

.cta-coord {
  width: 100%;
  min-height: 58px;
  padding: 0.75rem 1rem;
  border: 0;
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.1vw, 0.86rem);
  outline: 0;
}

.cta-coord:focus-visible {
  box-shadow: inset 0 0 0 2px var(--cyan);
}

.cta-terminal .btn {
  align-self: stretch;
  min-height: 58px;
  border: 0;
  border-left: 1px solid var(--line-strong);
  box-shadow: none;
  transform: none;
}

.cta-hint {
  max-width: 72ch;
  margin-top: 0.85rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.not-found {
  min-height: calc(100svh - 54px);
  display: grid;
  align-content: center;
}

.not-found-code {
  margin-bottom: 1rem;
  color: var(--warn);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.not-found h1 {
  max-width: 9ch;
}

.not-found .lead {
  max-width: 58ch;
  margin-top: 1.2rem;
}

/* --------------------------------------------------------------------------
   Documentation
   -------------------------------------------------------------------------- */

.doc-head {
  width: min(100%, var(--content));
  margin-inline: auto;
  padding: clamp(2.8rem, 5vw, 4.6rem) var(--gutter) 1.3rem;
}

.doc-head h1 {
  max-width: 13ch;
  font-size: clamp(3.2rem, 6vw, 5.8rem);
}

.doc-head .lead {
  max-width: 68ch;
  margin-top: 1.2rem;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  width: min(100%, var(--content));
  margin: 0 auto 1.5rem;
  padding: 0 var(--gutter);
}

.doc-meta span,
.doc-meta a {
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  text-decoration: none;
}

.doc-meta a:hover {
  border-color: var(--signal);
  color: var(--signal);
}

.doc-grid {
  display: grid;
  width: min(100%, var(--content));
  grid-template-columns: minmax(0, 1fr) minmax(230px, 280px);
  grid-template-areas: "body aside";
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  margin-inline: auto;
  padding: 0 var(--gutter) clamp(4rem, 7vw, 6rem);
}

.doc-aside {
  position: sticky;
  grid-area: aside;
  top: 78px;
  max-height: calc(100svh - 100px);
  overflow-y: auto;
  border-top: 1px solid var(--line-strong);
}

.doc-body {
  grid-area: body;
  min-width: 0;
  color: var(--ink-soft);
}

.doc-body > :first-child {
  margin-top: 0;
}

.doc-body h2,
.doc-body h3 {
  position: relative;
  max-width: 28ch;
  margin: 3rem 0 1rem;
  scroll-margin-top: 78px;
}

.doc-body h2 {
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  font-size: clamp(1.8rem, 3vw, 2.55rem);
}

.doc-body h3 {
  margin-top: 2rem;
}

.doc-body h2::before,
.doc-body h3::before {
  position: absolute;
  top: 1.2rem;
  left: -1.2rem;
  width: 4px;
  height: 1px;
  content: "";
  background: var(--signal);
}

.doc-body h3::before {
  top: 0.7rem;
}

.doc-body p,
.doc-body ul,
.doc-body ol,
.doc-body blockquote,
.doc-body table,
.doc-body pre,
.doc-body .note,
.doc-body .table-wrap {
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.doc-body p,
.doc-body li {
  max-width: 75ch;
  line-height: 1.72;
}

.doc-body ul,
.doc-body ol {
  padding-left: 1.3rem;
}

.doc-body li + li {
  margin-top: 0.45rem;
}

.doc-body li::marker {
  color: var(--signal);
  font-family: var(--font-mono);
}

.doc-body blockquote {
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--cyan);
  background: rgba(98, 231, 231, 0.035);
  color: var(--muted);
}

.doc-body img {
  border: 1px solid var(--line);
}

.doc-body .anchor {
  margin-left: 0.3rem;
  color: var(--muted-2);
  font-size: 0.72em;
  text-decoration: none;
  opacity: 0;
  transition: opacity 140ms ease;
}

.doc-body h2:hover .anchor,
.doc-body h3:hover .anchor,
.doc-body .anchor:focus-visible {
  opacity: 1;
}

.doc-raw {
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: var(--bg-deep);
  white-space: pre-wrap;
}

.toc {
  padding: 0.9rem 0;
}

.toc-title {
  padding: 0.4rem 0.55rem 0.75rem;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.toc > summary {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0.55rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.055em;
  list-style: none;
  text-transform: uppercase;
  cursor: pointer;
}

.toc > summary::-webkit-details-marker {
  display: none;
}

.toc > summary::after {
  color: var(--signal);
  content: "+";
}

.toc[open] > summary::after {
  content: "−";
}

.toc ul {
  display: grid;
  gap: 1px;
  padding: 0;
  list-style: none;
}

.toc li {
  min-width: 0;
}

.toc a,
.toc li > span {
  display: block;
  padding: 0.55rem;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
  text-decoration: none;
  transition:
    color 140ms ease,
    border-color 140ms ease,
    background-color 140ms ease;
}

.toc a:hover,
.toc a.active,
.toc li.cur > span {
  border-left-color: var(--signal);
  background: linear-gradient(90deg, rgba(200, 255, 74, 0.055), transparent);
  color: var(--ink);
}

.toc .toc-l3 a {
  padding-left: 1.3rem;
  font-size: 0.76rem;
}

.doc-nav {
  margin-top: 1.2rem;
  border-top: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   Download-specific structures
   -------------------------------------------------------------------------- */

.version-bar {
  margin-top: 2rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
}

.version-bar .tag {
  display: inline-block;
  margin-bottom: 0.8rem;
  padding: 0.18rem 0.48rem;
  background: var(--signal);
  color: var(--signal-ink);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.version-bar .seg-rule {
  max-width: none;
  margin-bottom: 1rem;
}

.seg-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.seg-meta div {
  display: flex;
  gap: 0.5rem;
}

.seg-meta dt {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.seg-meta dd {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-foot {
  position: relative;
  margin-left: var(--rail);
  overflow: hidden;
  border-top: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at 70% 20%, rgba(98, 231, 231, 0.05), transparent 26rem),
    var(--bg-deep);
}

.foot-signal {
  display: flex;
  height: 6px;
  gap: 3px;
  padding: 0 var(--gutter);
}

.foot-signal i {
  flex: 1;
  background: var(--line);
}

.foot-signal i:nth-child(1),
.foot-signal i:nth-child(2),
.foot-signal i:nth-child(6) {
  background: var(--signal);
}

.foot-wrap {
  padding-top: clamp(3rem, 6vw, 5rem);
}

.foot-brand {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.foot-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.8rem;
  text-decoration: none;
}

.foot-logo .brand-mark {
  width: 34px;
  height: 34px;
  flex-basis: 34px;
}

.foot-logo .brand-mark svg {
  width: 20px;
  height: 20px;
}

.foot-brand > p {
  max-width: 38ch;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: right;
}

.foot-top {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
  padding: 2.5rem 0;
}

.foot-top h2 {
  margin-bottom: 0.85rem;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.foot-top ul {
  display: grid;
  gap: 0.45rem;
  padding: 0;
  list-style: none;
}

.foot-top a {
  color: var(--muted);
  font-size: 0.83rem;
  text-decoration: none;
}

.foot-top a:hover {
  color: var(--signal);
}

.foot-line {
  padding: 2rem 0;
  overflow: hidden;
  border-block: 1px solid var(--line);
}

.foot-line a {
  display: block;
  overflow: visible;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.8vw, 3.5rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  text-decoration: none;
  white-space: nowrap;
}

.foot-line a span {
  display: inline;
}

.foot-line a:hover {
  color: var(--signal);
}

.foot-base {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem 0 2.2rem;
}

.foot-note {
  display: grid;
  max-width: 93ch;
  gap: 0.28rem;
  color: var(--muted-2);
  font-size: 0.73rem;
}

.foot-sys {
  flex: 0 0 auto;
  color: var(--muted-2);
  font-size: 0.57rem;
}

/* --------------------------------------------------------------------------
   Motion: progressive enhancement and opt-out
   -------------------------------------------------------------------------- */

html.js .rise {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 520ms var(--ease-out),
    transform 520ms var(--ease-out);
}

html.js .rise.in {
  opacity: 1;
  transform: translateY(0);
}

.signal-dot,
.status-dot {
  animation: signal-pulse 2.8s ease-in-out infinite;
}

@keyframes signal-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.55;
  }
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1180px) {
  :root {
    --rail: 244px;
  }

  .canvas-telemetry span:nth-child(3) {
    display: none;
  }

  .hero-bench {
    grid-template-columns: minmax(0, 1.03fr) minmax(330px, 0.97fr);
    gap: 2.5rem;
  }

  .hero-title {
    font-size: clamp(4.1rem, 8.3vw, 7.2rem);
  }
}

@media (max-width: 960px) {
  :root {
    --rail: 0px;
  }

  html {
    scroll-padding-top: 112px;
  }

  .side {
    inset: 0 0 auto 0;
    width: 100%;
    min-height: 58px;
    height: 58px;
    flex-direction: row;
    align-items: center;
    gap: 0.8rem;
    padding: 0.45rem var(--gutter);
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid var(--line-strong);
    background: rgba(8, 11, 10, 0.97);
  }

  .side-top {
    width: 100%;
    min-height: 0;
    padding: 0;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
  }

  .brand-name {
    font-size: 1.35rem;
  }

  .brand-sub {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .side-status {
    display: none;
  }

  .side-nav {
    position: fixed;
    z-index: 62;
    top: 58px;
    right: 0;
    width: min(88vw, 390px);
    height: calc(100svh - 58px);
    padding: 1rem 1.15rem 7rem;
    overflow-y: auto;
    border-left: 1px solid var(--line-strong);
    background:
      linear-gradient(180deg, rgba(200, 255, 74, 0.04), transparent 20rem),
      var(--bg-deep);
    transform: translateX(102%);
    transition: transform 300ms var(--ease-out);
  }

  .side-nav.open {
    transform: translateX(0);
  }

  .side-nav a {
    min-height: 58px;
  }

  .side-tools {
    position: fixed;
    z-index: 63;
    right: 0;
    bottom: 0;
    width: min(88vw, 390px);
    padding: 0.8rem 1.15rem 1rem;
    border-left: 1px solid var(--line-strong);
    background: var(--bg-deep);
    transform: translateX(102%);
    transition: transform 300ms var(--ease-out);
  }

  .side-nav.open ~ .side-tools {
    transform: translateX(0);
  }

  .side-foot {
    display: none;
  }

  .side-scrim {
    position: fixed;
    z-index: 59;
    inset: 58px 0 0;
    display: block;
    border: 0;
    background: rgba(0, 0, 0, 0.58);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease;
  }

  body.nav-open .side-scrim {
    opacity: 1;
    pointer-events: auto;
  }

  body.nav-open .nav-toggle-icon i:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  body.nav-open .nav-toggle-icon i:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .canvas {
    margin-left: 0;
    padding-top: 58px;
  }

  .canvas-top {
    top: 58px;
  }

  .site-foot {
    margin-left: 0;
  }

  .hero-bench {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 3.5rem;
    padding-top: 5rem !important;
    padding-bottom: 5rem !important;
  }

  .telemetry-board {
    width: min(100%, 620px);
  }
}

@media (max-width: 760px) {
  body {
    font-size: 1rem;
  }

  .canvas-telemetry {
    gap: 0.8rem;
  }

  .canvas-telemetry span:nth-child(2) {
    display: none;
  }

  .canvas-channel {
    gap: 0.45rem;
  }

  .channel-kicker {
    display: none;
  }

  .canvas > section {
    padding-block: 4rem;
  }

  .section > h2 {
    max-width: 15ch;
    padding-left: 0;
  }

  .section > h2::before {
    position: static;
    display: block;
    margin-bottom: 0.65rem;
    transform: none;
  }

  .push-right {
    margin-left: 0;
  }

  .hero-title {
    max-width: 100%;
    font-size: clamp(3.8rem, 17vw, 6.6rem);
  }

  .hero-facts {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .hero-facts div {
    min-width: 0;
    padding: 0.7rem 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .hero-facts div:first-child {
    border-top: 0;
  }

  .telemetry-readout {
    grid-template-columns: 1fr;
    gap: 1.3rem;
  }

  .telemetry-workers {
    justify-self: start;
  }

  .pipeline,
  .process-notes,
  .runtime-stack,
  .band-grid,
  .cards,
  .cards.cols-2,
  .foot-top {
    grid-template-columns: 1fr;
  }

  .pipeline {
    display: grid;
  }

  .pipeline-link {
    width: 100%;
    height: 28px;
    flex-basis: auto;
  }

  .pipeline-link::before {
    top: 0;
    bottom: 0;
    left: 1.1rem;
    width: 1px;
    height: auto;
  }

  .pipeline-link::after {
    top: auto;
    bottom: 0;
    left: calc(1.1rem - 3px);
    transform: rotate(135deg);
  }

  .process-notes {
    display: grid;
  }

  .band:nth-child(5) {
    grid-column: auto;
  }

  .module-index {
    grid-template-columns: 1fr;
  }

  .module-index li {
    grid-template-columns: 1.7rem minmax(0, 1fr);
  }

  .module-index span {
    grid-column: 2;
    text-align: left;
  }

  .runtime-stack {
    display: grid;
  }

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

  .refusal-head {
    grid-template-columns: 1fr;
  }

  .table-wrap {
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .table-wrap table,
  .table-wrap tbody,
  .table-wrap tr,
  .table-wrap td {
    display: block;
    width: 100%;
  }

  .table-wrap thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .table-wrap tr {
    margin-bottom: 0.8rem;
    border: 1px solid var(--line);
    background: var(--panel);
  }

  .table-wrap td {
    display: grid;
    grid-template-columns: minmax(7rem, 0.38fr) minmax(0, 1fr);
    gap: 1rem;
    padding: 0.8rem;
    border-bottom: 1px solid var(--line);
  }

  .table-wrap td::before {
    color: var(--muted-2);
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 0.59rem;
    text-transform: uppercase;
  }

  .table-wrap td:last-child {
    border-bottom: 0;
  }

  .doc-grid {
    display: flex;
    flex-direction: column;
    /* In a column flex container, `align-items: start` leaves the article at
       its max-content width. Stretch it so tables and code can scroll inside
       the viewport instead of widening the whole page. */
    align-items: stretch;
  }

  .doc-body {
    width: 100%;
  }

  .doc-aside {
    position: static;
    order: -1;
    width: 100%;
    max-height: none;
  }

  .doc-aside .toc:not(.doc-nav) {
    border: 1px solid var(--line);
    padding: 0.65rem;
    background: var(--panel);
  }

  .doc-aside .toc ul {
    max-height: 220px;
    overflow-y: auto;
  }

  .doc-meta {
    margin-bottom: 1rem;
  }

  .foot-brand,
  .foot-base {
    display: grid;
  }

  .foot-brand > p {
    text-align: left;
  }

  .foot-top {
    gap: 1.5rem;
  }

  .foot-top > div {
    padding-bottom: 1.3rem;
    border-bottom: 1px solid var(--line);
  }

  .foot-line a {
    font-size: clamp(1.85rem, 10vw, 3.5rem);
  }
}

@media (max-width: 520px) {
  :root {
    --gutter: 1.1rem;
  }

  .canvas-top {
    min-height: 48px;
  }

  .canvas-telemetry {
    font-size: 0.58rem;
  }

  .canvas-channel strong {
    max-width: 12rem;
  }

  .crumbs {
    padding-top: 0.8rem;
  }

  .hero-bench {
    padding-top: 3.8rem !important;
    padding-bottom: 3.8rem !important;
  }

  .hero-title {
    font-size: clamp(3.25rem, 18vw, 5.1rem);
    line-height: 0.88;
  }

  .hero-note {
    margin-top: 1.6rem;
  }

  .hero-act .btn {
    width: 100%;
  }

  .telemetry-board {
    padding: 0.8rem;
  }

  .telemetry-speed strong {
    font-size: 4rem;
  }

  .shard-field {
    height: 68px;
  }

  .telemetry-grid div {
    padding-inline: 0.35rem;
  }

  .pipeline-node {
    padding: 1rem;
  }

  .node-value strong {
    font-size: 3.9rem;
  }

  .band {
    min-height: 0;
    padding: 1rem;
  }

  .card {
    min-height: 0;
    padding: 1.1rem;
  }

  .card h3 {
    max-width: calc(100% - 4.8rem);
  }

  .panel,
  .runtime-panel,
  .readout,
  .console,
  .manifest-frag {
    padding: 0.85rem;
  }

  .panel-grid > div,
  .runtime-grid > div {
    padding: 0.6rem;
  }

  .readout-row {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .readout-val {
    text-align: left;
  }

  .console-cap {
    display: grid;
    gap: 0.15rem;
  }

  .cta-terminal {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .cta-terminal .btn {
    grid-column: 1 / -1;
    min-height: 48px;
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .table-wrap td {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .doc-head h1,
  .canvas > section > h1,
  .not-found h1 {
    /* Long single-word English titles such as "Documentation" must still fit
       the 390px viewport without clipping at the right edge. */
    font-size: clamp(2.35rem, 10vw, 4.6rem);
  }

  .foot-line a {
    white-space: normal;
    font-size: 1.55rem;
    line-height: 1.08;
    letter-spacing: -0.035em;
  }

  .foot-line a span {
    display: block;
  }
}

/* Chinese display glyphs occupy a full em, unlike the proportional Latin
   display face. Keep each five-character hero line intact on one row. */
.hero-title:lang(zh) {
  max-width: 100%;
  font-size: clamp(3.35rem, 6.5vw, 6.5rem);
}

@media (max-width: 960px) {
  .hero-title:lang(zh) {
    font-size: clamp(3.2rem, 8vw, 6rem);
  }
}

@media (max-width: 760px) {
  .hero-title:lang(zh) {
    font-size: clamp(3.1rem, 15vw, 5.4rem);
  }
}

@media (max-width: 520px) {
  .hero-title:lang(zh) {
    font-size: clamp(2.8rem, 16.5vw, 4.5rem);
    line-height: 1.06;
  }
}

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

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

  html.js .rise,
  html.js .rise.in {
    opacity: 1;
    transform: none;
  }
}