:root {
  color-scheme: dark;
  --ink: #f3f4e9;
  --muted: #a1aaa4;
  --line: #303737;
  --line-bright: #596261;
  --panel: #111616;
  --panel-raised: #171d1d;
  --code: #050706;
  --paper: #090b0b;
  --paper-warm: #e9e9df;
  --accent: #ff4d00;
  --accent-hot: #ff6a00;
  --signal: #f3f4e9;
  --display: "Helvetica Neue", Helvetica, "Nimbus Sans L", Arial, sans-serif;
  --body: "Helvetica Neue", Helvetica, "Nimbus Sans L", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1200px;
}

* { box-sizing: border-box; }

html {
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  line-height: 1.55;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: radial-gradient(circle at 85% 8%, rgb(255 77 0 / 9%), transparent 28rem), var(--paper);
}

::selection { color: #080a09; background: var(--signal); }

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

a:hover { color: #ffffff; }

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

img { max-width: 100%; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #090b0b;
  background: var(--signal);
  font: 700 0.78rem/1 var(--body);
  text-decoration: none;
  text-transform: uppercase;
  transform: translateY(-160%);
}

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

.page-noise {
  position: fixed;
  z-index: 90;
  inset: 0;
  pointer-events: none;
  opacity: 0.17;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 3px, rgb(255 255 255 / 2%) 3px 4px),
    radial-gradient(circle at 20% 30%, rgb(255 255 255 / 12%) 0 0.7px, transparent 0.9px);
  background-size: auto, 7px 7px;
  mix-blend-mode: soft-light;
}

.bar,
.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgb(9 11 11 / 88%);
  backdrop-filter: blur(16px);
}

.bar {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.04em;
  text-decoration: none;
  white-space: nowrap;
}

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

.brand-mark {
  display: inline-grid;
  width: 52px;
  height: 38px;
  place-items: center;
  color: #090b0b;
  background: var(--accent);
  box-shadow: 4px 4px 0 var(--signal);
  font: 800 1rem/1 var(--display);
  letter-spacing: -0.04em;
}

.brand-name {
  font: 700 0.7rem/1 var(--body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font: 700 0.7rem/1 var(--body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav a {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.nav a::after {
  position: absolute;
  right: 100%;
  bottom: -9px;
  left: 0;
  height: 2px;
  background: var(--accent);
  content: "";
  transition: right 180ms ease;
}

.nav a:hover { color: var(--ink); }
.nav a:hover::after { right: 0; }

.nav .nav-source {
  padding: 10px 13px;
  border: 1px solid var(--line-bright);
  color: var(--ink);
}

.nav .nav-source::after { display: none; }

.nav .nav-source:hover {
  border-color: var(--signal);
  color: #090b0b;
  background: var(--signal);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 80px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgb(255 255 255 / 3%) 1px, transparent 1px),
    linear-gradient(rgb(255 255 255 / 3%) 1px, transparent 1px),
    radial-gradient(circle at 82% 12%, rgb(255 77 0 / 18%), transparent 25rem),
    var(--paper);
  background-size: 48px 48px, 48px 48px, auto, auto;
}

.docs-hero { padding-block: 96px 86px; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: clamp(36px, 6vw, 84px);
}

.hero-grid > div { position: relative; z-index: 1; }
.narrow { max-width: 920px; }

.eyebrow,
.section-label,
.card-kicker,
.scope-tag,
.panel-index {
  margin: 0 0 16px;
  color: var(--accent);
  font: 700 0.72rem/1.2 var(--body);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  background: var(--signal);
  box-shadow: 0 0 0 5px rgb(243 244 233 / 10%), 0 0 18px var(--signal);
  animation: status-pulse 2.4s ease-in-out infinite;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.04em;
}

h1 {
  max-width: 920px;
  margin-bottom: 0;
  font-size: clamp(3.4rem, 7vw, 7.2rem);
  line-height: 0.92;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2.25rem, 4.3vw, 4.8rem);
  line-height: 0.98;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.08;
}

p { text-wrap: pretty; }

.lead {
  max-width: 780px;
  margin: 24px 0 0;
  color: #d4dad4;
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  line-height: 1.55;
}

.hero-grid .diagram {
  transform: rotate(1deg);
  box-shadow: 12px 12px 0 var(--accent);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 18px;
  border: 1px solid var(--line-bright);
  border-radius: 0;
  color: var(--ink);
  background: rgb(255 255 255 / 2%);
  font: 700 0.76rem/1 var(--body);
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  color: var(--ink);
  background: var(--panel-raised);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--line-bright);
}

.button.primary {
  border-color: var(--accent);
  color: #090b0b;
  background: var(--accent);
}

.button.primary:hover {
  color: #090b0b;
  background: var(--accent-hot);
  box-shadow: 5px 5px 0 var(--signal);
}

.text-link {
  margin-left: 8px;
  color: var(--ink);
  font: 700 0.76rem/1 var(--body);
  text-transform: uppercase;
}

.diagram {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-bright);
  border-radius: 0;
  background: var(--panel);
}

.section {
  position: relative;
  padding: 104px 0;
  border-bottom: 1px solid var(--line);
}

.section.alt {
  border-block: 1px solid var(--line);
  background: var(--panel);
}

.section-heading { margin-bottom: 50px; }
.section-heading h2 { max-width: 780px; margin-bottom: 0; }

.split-heading,
.architecture-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.68fr);
  align-items: end;
  gap: 64px;
}

.split-heading > p,
.architecture-intro > p {
  max-width: 510px;
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 1.05rem;
}

.compact-heading { margin-bottom: 34px; }
.compact-heading h2 { font-size: clamp(2.25rem, 3.5vw, 3.7rem); }

.grid { display: grid; gap: 18px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--panel);
}

.card::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--accent);
  content: "";
  transition: width 260ms ease;
}

.card:hover::after { width: 100%; }

.card p,
.copy p,
.copy li { color: var(--muted); }

.card p:last-child { margin-bottom: 0; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.tag-list li,
.table-tag {
  border: 1px solid var(--line-bright);
  padding: 5px 9px;
  color: var(--muted);
  background: transparent;
  font: 700 0.68rem/1 var(--body);
  text-transform: uppercase;
}

code {
  padding: 0.08em 0.35em;
  border: 1px solid var(--line);
  border-radius: 0;
  color: #e7ece6;
  background: var(--panel-raised);
  font-family: var(--mono);
  font-size: 0.9em;
}

.code {
  overflow-x: auto;
  margin: 16px 0 0;
  padding: 18px;
  border: 1px solid var(--line-bright);
  border-radius: 0;
  color: #eef4e8;
  background: var(--code);
  font: 0.92rem/1.7 var(--mono);
}

pre code { padding: 0; border: 0; background: none; }

.note {
  margin-top: 22px;
  padding: 14px 16px;
  border: 1px solid rgb(255 77 0 / 40%);
  border-left: 4px solid var(--accent);
  color: #d9dfd8;
  background: rgb(255 77 0 / 8%);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: 50px;
}

.split > *,
.grid > *,
.hero-grid > * { min-width: 0; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-bright);
  background: var(--paper);
}

.package-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96rem;
}

.package-table th,
.package-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.package-table th {
  color: var(--accent);
  background: var(--panel);
  font: 700 0.7rem/1 var(--body);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.package-table tr:last-child td { border-bottom: 0; }
.package-table tbody tr { transition: background 160ms ease; }
.package-table tbody tr:hover { background: rgb(243 244 233 / 4%); }
.package-table code,
.copy code { font-family: var(--mono); }

.pipeline { max-width: 1040px; margin: 54px auto 0; }

.pipeline figcaption {
  max-width: 820px;
  margin: 22px auto 0;
  color: var(--muted);
  font: 500 0.78rem/1.6 var(--body);
  text-align: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #060807;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0;
  color: var(--muted);
  font: 500 0.78rem/1.5 var(--body);
}

.footer-inner p { margin: 0; }

/* Home page: industrial signal-lab composition. */
.home-hero {
  display: grid;
  min-height: calc(100svh - 72px);
  align-items: center;
  padding-block: clamp(68px, 8vw, 118px);
}

.hero-stage {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.78fr);
  align-items: center;
  gap: clamp(50px, 6vw, 90px);
}

.hero-index {
  position: absolute;
  z-index: 0;
  right: -0.05em;
  bottom: -0.31em;
  color: transparent;
  font: 700 clamp(15rem, 35vw, 39rem)/0.8 var(--display);
  letter-spacing: -0.1em;
  -webkit-text-stroke: 1px rgb(255 255 255 / 6%);
  user-select: none;
}

.home-hero h1 {
  display: grid;
  font-size: clamp(4rem, 7.4vw, 7.8rem);
  letter-spacing: -0.055em;
}

.home-hero h1 > span:first-child {
  font-size: 0.7em;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.home-hero h1 .outline {
  color: var(--accent);
  -webkit-text-stroke: 0;
}

.home-hero .lead { max-width: 680px; }

.hero-detail {
  max-width: 610px;
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 0.97rem;
}

.release-line {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  max-width: 680px;
  margin: 34px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 500 0.78rem/1.55 var(--body);
}

.release-label {
  color: var(--signal);
  font-weight: 600;
  text-transform: uppercase;
}

.signal-console {
  position: relative;
  background: #080b0a;
  border: 1px solid var(--line-bright);
  box-shadow: 16px 16px 0 var(--accent);
  transform: rotate(0.7deg);
  transition: transform 260ms ease, box-shadow 260ms ease;
}

.signal-console:hover {
  box-shadow: 11px 11px 0 var(--signal);
  transform: rotate(0deg) translate(2px, 2px);
}

.console-bar,
.console-footer,
.terminal-bar {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 15px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: var(--panel);
  font: 500 0.65rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.console-mode { color: var(--signal); }

.route-map {
  position: relative;
  height: 478px;
  overflow: hidden;
}

.map-grid {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image:
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    linear-gradient(var(--line) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent);
}

.route-inputs,
.route-backends {
  position: absolute;
  z-index: 2;
  right: 6%;
  left: 6%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.route-inputs { top: 34px; }

.route-inputs span,
.route-backends > span {
  display: grid;
  min-height: 48px;
  place-items: center;
  border: 1px solid var(--line-bright);
  color: #cbd2cc;
  background: rgb(9 11 11 / 90%);
  font: 500 0.65rem/1.2 var(--mono);
  text-align: center;
}

.route-traces {
  position: absolute;
  z-index: 1;
  top: 26px;
  right: 0;
  left: 0;
  width: 100%;
  height: 420px;
}

.trace {
  fill: none;
  stroke: var(--accent);
  stroke-dasharray: 7 10;
  stroke-linecap: square;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  animation: route-flow 4s linear infinite;
}

.trace-b,
.trace-e { stroke: var(--signal); animation-duration: 3.2s; }
.trace-c,
.trace-f { animation-delay: -1.3s; }

.route-core {
  position: absolute;
  z-index: 3;
  top: 180px;
  left: 50%;
  display: grid;
  width: 58%;
  min-height: 112px;
  align-content: center;
  padding: 16px;
  color: #080a09;
  background: var(--accent);
  box-shadow: 7px 7px 0 var(--signal);
  text-align: center;
  transform: translateX(-50%);
}

.route-core strong {
  font: 800 3.4rem/0.95 var(--display);
  letter-spacing: -0.06em;
}

.route-core > span:last-child {
  margin-top: 8px;
  font: 500 0.56rem/1.2 var(--mono);
  text-transform: uppercase;
}

.core-kicker {
  margin-bottom: 5px;
  font: 600 0.58rem/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.route-backends { bottom: 34px; }

.route-backends > span {
  min-height: 62px;
  border-color: var(--accent);
}

.route-backends b,
.route-backends small { display: block; }
.route-backends b { color: var(--ink); font-size: 0.78rem; }

.route-backends small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.55rem;
  text-transform: uppercase;
}

.console-footer {
  min-height: 46px;
  justify-content: flex-start;
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.console-footer span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.console-footer i { width: 8px; height: 8px; background: var(--accent); }
.console-footer .legend-path { background: var(--signal); }

.capability-rail {
  overflow: hidden;
  border-bottom: 1px solid #080a09;
  color: #080a09;
  background: var(--accent);
}

.rail-track {
  display: flex;
  width: max-content;
  min-height: 52px;
  align-items: center;
  gap: 26px;
  padding-right: 26px;
  font: 700 0.74rem/1 var(--body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  animation: rail-move 28s linear infinite;
}

.rail-track i { color: var(--signal); font-size: 0.65rem; }
.capability-rail:hover .rail-track { animation-play-state: paused; }

.purpose-section {
  padding-bottom: 144px;
  color: #111312;
  background:
    linear-gradient(90deg, rgb(9 11 11 / 5%) 1px, transparent 1px),
    var(--paper-warm);
  background-size: 48px 48px, auto;
}

.purpose-section .section-label,
.purpose-section a { color: #c83a00; }
.purpose-section .section-heading h2 { color: #0a0c0b; }
.feature-grid { align-items: start; }

.feature-card {
  min-height: 360px;
  padding: 32px;
  border-color: #a9aca3;
  color: #0a0c0b;
  background: rgb(255 255 255 / 22%);
}

.feature-card:nth-child(2) { transform: translateY(36px); }
.feature-card:nth-child(3) { transform: translateY(72px); }
.feature-card p { color: #4f554f; }
.feature-card .card-kicker { color: #b93600; }

.card-number {
  display: block;
  margin-bottom: 54px;
  color: #9a9d94;
  font: 700 4.8rem/0.8 var(--display);
  opacity: 0.5;
}

.architecture-section {
  background: radial-gradient(circle at 12% 26%, rgb(243 244 233 / 7%), transparent 24rem), #090c0b;
}

.architecture-intro h2 { margin-bottom: 0; }

.pipeline-frame {
  padding: 16px;
  border: 1px solid var(--line-bright);
  background: var(--panel);
  box-shadow: 14px 14px 0 rgb(255 77 0 / 55%);
}

.frame-label {
  margin-bottom: 14px;
  color: var(--muted);
  font: 500 0.65rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pipeline-frame .diagram { border-color: var(--line); }
.support-section { background: #111615; }

.support-card {
  min-height: 330px;
  padding: 30px;
  background: #0b0e0d;
}

.support-card h3 {
  margin-top: 52px;
  font-size: clamp(1.6rem, 2.7vw, 2.7rem);
}

.support-card h3 em {
  display: block;
  color: var(--muted);
  font: 700 0.76rem/1.4 var(--body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scope-tag {
  display: inline-block;
  padding: 7px 9px;
  border: 1px solid var(--signal);
  color: var(--signal);
}

.boundary-card { color: #0a0c0b; background: var(--accent); }
.boundary-card::after { background: var(--signal); }
.boundary-card p,
.boundary-card h3 em { color: #3a1d10; }
.boundary-card .scope-tag { border-color: #0a0c0b; color: #0a0c0b; }

.evidence-line {
  display: grid;
  grid-template-columns: minmax(160px, 0.35fr) 1fr;
  gap: 30px;
  margin: 32px 0 0;
  padding: 24px 28px;
  border: 1px solid var(--line-bright);
  color: var(--muted);
  background: #090c0b;
}

.evidence-line strong {
  color: var(--signal);
  font-family: var(--display);
  font-size: 1.15rem;
}

.install-section {
  border-color: #0a0c0b;
  color: #0a0c0b;
  background:
    linear-gradient(135deg, rgb(9 11 11 / 8%) 25%, transparent 25%) 0 0 / 22px 22px,
    var(--signal);
}

.install-section .section-label,
.install-section .split-heading > p { color: #283009; }

.install-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 20px;
}

.terminal-card {
  min-width: 0;
  border: 1px solid #0a0c0b;
  background: #080a09;
  box-shadow: 9px 9px 0 rgb(9 11 11 / 28%);
}

.terminal-card .terminal-bar { color: #0a0c0b; background: var(--paper-warm); }

.terminal-card .code {
  min-height: 150px;
  margin: 0;
  padding: 30px;
  border: 0;
  white-space: pre-wrap;
}

.terminal-card p { margin: 0; padding: 0 30px 30px; color: var(--muted); }

.terminal-primary .code {
  display: grid;
  min-height: 150px;
  align-items: center;
  color: var(--signal);
  font-size: clamp(1rem, 1.8vw, 1.35rem);
}

.prompt { color: var(--accent); }
.package-section { background: #090b0b; }
.package-section .package-table td:first-child { width: 19%; }
.package-section .package-table td:last-child { width: 13%; }

.topics-section {
  background:
    linear-gradient(90deg, rgb(255 255 255 / 2%) 1px, transparent 1px),
    #0d1110;
  background-size: 48px 48px, auto;
}

.topics-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.68fr);
  align-items: start;
  gap: 72px;
}

.link-list {
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line-bright);
  list-style: none;
}

.link-list li { border-bottom: 1px solid var(--line-bright); }

.link-list a {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 18px;
  min-height: 106px;
  padding: 18px 8px;
  color: var(--ink);
  text-decoration: none;
  transition: padding 180ms ease, background 180ms ease;
}

.link-list a:hover {
  padding-inline: 18px;
  color: var(--ink);
  background: rgb(255 77 0 / 10%);
}

.link-list b,
.link-list i {
  color: var(--accent);
  font: 500 0.72rem/1 var(--mono);
  font-style: normal;
}

.link-list strong,
.link-list small { display: block; }

.link-list strong {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -0.03em;
}

.link-list small {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.backend-panel {
  position: sticky;
  top: 104px;
  padding: 34px;
  border: 1px solid var(--line-bright);
  background: #080a09;
  box-shadow: 10px 10px 0 var(--accent);
}

.backend-panel h2 { font-size: clamp(2rem, 3vw, 3.15rem); }
.panel-index { color: var(--signal); }

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-brand > span {
  color: var(--accent);
  font: 800 2.1rem/1 var(--display);
  letter-spacing: -0.06em;
}

.footer-links { display: flex; gap: 24px; }
.back-top { color: var(--ink); text-transform: uppercase; }

@keyframes route-flow { to { stroke-dashoffset: -51; } }
@keyframes rail-move { to { transform: translateX(-50%); } }

@keyframes status-pulse {
  50% { opacity: 0.45; box-shadow: 0 0 0 10px transparent, 0 0 5px var(--signal); }
}

@media (max-width: 1080px) {
  .hero-stage { grid-template-columns: 1fr; }
  .hero-copy { max-width: 850px; }

  .signal-console {
    width: min(760px, calc(100% - 16px));
    margin-top: 10px;
  }

  .home-hero h1 { font-size: clamp(4.4rem, 12vw, 8.4rem); }
  .topics-layout { grid-template-columns: 1fr; }
  .backend-panel { position: static; }
}

@media (max-width: 840px) {
  .bar {
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding-block: 14px;
  }

  .site-header { position: relative; }

  .nav {
    width: 100%;
    justify-content: flex-start;
    gap: 20px;
    overflow-x: auto;
    padding: 2px 2px 8px;
  }

  .nav .nav-source { padding: 0; border: 0; }
  .nav a::after { bottom: -6px; }

  .hero-grid,
  .split,
  .grid.two,
  .grid.three,
  .split-heading,
  .architecture-intro,
  .install-grid { grid-template-columns: 1fr; }

  .section,
  .docs-hero { padding-block: 76px; }

  .purpose-section { padding-bottom: 76px; }
  .feature-card:nth-child(2),
  .feature-card:nth-child(3) { transform: none; }
  .feature-card { min-height: 0; }
  .hero-grid .diagram { transform: none; }

  .evidence-line { grid-template-columns: 1fr; gap: 10px; }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .bar,
  .wrap { width: min(100% - 28px, var(--max)); }
  .brand-name { display: none; }
  .home-hero h1 { font-size: clamp(3.15rem, 17vw, 5.2rem); }
  .hero-index { bottom: -0.14em; }

  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button { width: 100%; }
  .text-link { margin: 12px 0 0; text-align: center; }
  .release-line { grid-template-columns: 1fr; gap: 6px; }

  .signal-console {
    width: calc(100% - 8px);
    box-shadow: 8px 8px 0 var(--accent);
  }

  .console-mode { display: none; }
  .route-map { height: 400px; }
  .route-traces { top: 2px; height: 385px; }

  .route-inputs span {
    min-height: 42px;
    padding: 4px;
    font-size: 0.54rem;
  }

  .route-core {
    top: 150px;
    width: 68%;
    min-height: 104px;
  }

  .route-core strong { font-size: 2.7rem; }
  .route-backends { bottom: 23px; }
  .route-backends > span { min-height: 54px; }

  .console-footer {
    flex-wrap: wrap;
    padding-block: 10px;
  }

  h1 { font-size: clamp(2.8rem, 14vw, 4.6rem); }
  h2 { font-size: clamp(2.15rem, 12vw, 3.5rem); }

  .section-heading,
  .architecture-intro { margin-bottom: 38px; }

  .card,
  .feature-card,
  .support-card,
  .backend-panel { padding: 24px; }

  .pipeline-frame {
    padding: 9px;
    box-shadow: 7px 7px 0 rgb(255 77 0 / 55%);
  }

  .terminal-card .code { padding: 22px; font-size: 0.78rem; }

  .package-table th,
  .package-table td { min-width: 140px; padding: 15px; }

  .link-list a {
    grid-template-columns: 28px 1fr auto;
    gap: 10px;
    min-height: 112px;
  }

  .link-list strong { font-size: 1rem; }
  .link-list small { font-size: 0.82rem; }
  .footer-links { flex-wrap: wrap; }
}

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

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

  .rail-track { transform: none; }
}