/* BeforeWire site mood: lab bench under a red safety interlock, white surface, blue audit light. */
:root {
  color-scheme: light;
  --bg: oklch(1 0 0);
  --surface: oklch(0.975 0.004 250);
  --surface-strong: oklch(0.925 0.018 248);
  --ink: oklch(0.135 0.026 255);
  --ink-soft: oklch(0.31 0.034 255);
  --muted: oklch(0.39 0.032 255);
  --line: oklch(0.855 0.016 250);
  --line-strong: oklch(0.62 0.052 248);
  --primary: oklch(0.535 0.215 16);
  --primary-dark: oklch(0.36 0.17 16);
  --primary-soft: oklch(0.948 0.032 16);
  --accent: oklch(0.58 0.17 242);
  --accent-dark: oklch(0.31 0.13 242);
  --ok: oklch(0.56 0.14 152);
  --warn: oklch(0.72 0.15 72);
  --mono-bg: oklch(0.105 0.028 255);
  --mono-ink: oklch(0.94 0.01 250);
  --radius: 10px;
  --max: 1240px;
  --header-h: 72px;
  --section-y: clamp(70px, 10vw, 132px);
  --gutter: clamp(32px, 7vw, 88px);
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, PingFang SC, Hiragino Sans GB, Microsoft YaHei, sans-serif;
  --font-display: system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, PingFang SC, system-ui, sans-serif;
  --font-mono: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, color-mix(in oklch, var(--line), transparent 76%) 1px, transparent 1px),
    linear-gradient(color-mix(in oklch, var(--line), transparent 84%) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 62%);
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

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

pre {
  margin: 0;
  white-space: pre-wrap;
}

::selection {
  background: var(--primary);
  color: var(--bg);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.01;
  letter-spacing: -0.034em;
  text-wrap: balance;
}

h1 {
  max-width: 13ch;
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 6.35vw, 5.15rem);
  font-weight: 850;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4.2vw, 3.7rem);
  font-weight: 830;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.3rem, 2vw, 1.78rem);
  font-weight: 760;
}

p {
  max-width: 68ch;
  color: var(--ink-soft);
  text-wrap: pretty;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  padding: 0 clamp(18px, 4vw, 44px);
  border-bottom: 1px solid color-mix(in oklch, var(--line), transparent 30%);
  background: color-mix(in oklch, var(--bg), transparent 3%);
  backdrop-filter: blur(14px);
}

.site-header[data-scrolled] {
  background: color-mix(in oklch, var(--bg), transparent 2%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.brand-glyph {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-glyph span:last-child {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  background: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 30px);
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 720;
}

.site-nav a,
.footer-links a,
.language-link {
  transition: color 180ms var(--ease);
}

.site-nav a:hover,
.footer-links a:hover,
.language-link:hover {
  color: var(--primary);
}

.language-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 780;
}

.language-link:hover {
  border-color: var(--line-strong);
}

.header-action {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 760;
  transition: transform 180ms var(--ease), background 180ms var(--ease);
}

.header-action:hover {
  transform: translateY(-1px);
  background: var(--primary-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(430px, 1.08fr);
  gap: clamp(36px, 6.5vw, 92px);
  width: min(var(--max), calc(100% - var(--gutter)));
  min-height: calc(100svh - var(--header-h));
  margin: 0 auto;
  padding: clamp(42px, 6.8vw, 88px) 0 clamp(38px, 6vw, 68px);
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 20px;
  padding: 8px 12px;
  border: 1px solid color-mix(in oklch, var(--primary), var(--bg) 24%);
  border-radius: 999px;
  color: var(--primary-dark);
  background: var(--primary-soft);
  font-size: 0.9rem;
  font-weight: 820;
}

.hero-lede {
  max-width: 63ch;
  margin-bottom: 26px;
  color: var(--ink-soft);
  font-size: clamp(1.04rem, 1.33vw, 1.22rem);
  line-height: 1.68;
}

.hero-actions,
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  border-radius: 8px;
  font-weight: 830;
  transition: transform 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease);
}

.button:hover {
  transform: translateY(-2px);
}

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

.button-primary:hover {
  background: var(--primary-dark);
}

.button-secondary {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: var(--bg);
}

.hero-proof {
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--surface);
}

.hero-stage {
  position: relative;
  min-height: min(610px, 68svh);
  overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--accent-dark), var(--bg) 25%);
  border-radius: 12px;
  background:
    linear-gradient(90deg, transparent 0 46%, color-mix(in oklch, var(--primary), transparent 76%) 46% 54%, transparent 54%),
    linear-gradient(180deg, color-mix(in oklch, var(--bg), transparent 4%), transparent 42%),
    var(--surface);
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: 58px 50% 58px auto;
  width: 1px;
  background: color-mix(in oklch, var(--primary), transparent 24%);
}

.stage-status,
.stage-footer {
  position: absolute;
  left: 18px;
  right: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
}

.stage-status {
  top: 16px;
}

.stage-footer {
  bottom: 16px;
}

.wire-rail {
  position: absolute;
  top: 50%;
  left: 7%;
  right: 7%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-dark), var(--primary), var(--line-strong));
}

.wire-rail::before,
.wire-rail::after {
  content: "";
  position: absolute;
  top: -5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
}

.wire-rail::before {
  left: 0;
}

.wire-rail::after {
  right: 0;
  background: var(--primary);
}

.stage-node,
.decision-panel {
  position: absolute;
  border-radius: var(--radius);
  background: var(--bg);
}

.stage-node {
  width: min(190px, 38%);
  padding: 18px;
  border: 1px solid color-mix(in oklch, var(--line-strong), var(--bg) 50%);
}

.stage-node strong,
.stage-node code,
.node-label {
  display: block;
}

.node-label {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.stage-node strong {
  font-size: 1.35rem;
}

.stage-node code {
  margin-top: 7px;
  color: var(--accent-dark);
  font-size: 0.86rem;
}

.stage-node-agent {
  top: 11%;
  left: 7%;
}

.stage-node-wire {
  right: 7%;
  bottom: 11%;
}

.gate-stack {
  position: absolute;
  top: 15%;
  bottom: 15%;
  left: calc(50% - 22px);
  display: grid;
  gap: 10px;
  width: 44px;
}

.gate-stack span {
  border-radius: 8px;
  background: var(--primary);
  animation: gatePulse 3.2s var(--ease) infinite;
}

.gate-stack span:nth-child(2) {
  animation-delay: 240ms;
  background: var(--primary-dark);
}

.gate-stack span:nth-child(3) {
  animation-delay: 480ms;
}

.decision-panel {
  top: 30%;
  left: 15%;
  right: 15%;
  overflow: hidden;
  border: 1px solid var(--ink);
}

.decision-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 820;
}

.decision-head b {
  color: oklch(0.82 0.14 38);
}

.decision-panel pre {
  padding: clamp(16px, 2.5vw, 24px);
  background: var(--mono-bg);
  color: var(--mono-ink);
  font-size: clamp(0.72rem, 1.25vw, 0.92rem);
  line-height: 1.65;
}

.decision-trace,
.command-strip,
.layers,
.evidence,
.proof-band,
.roadmap,
.site-footer {
  width: min(var(--max), calc(100% - var(--gutter)));
  margin: 0 auto;
}

.decision-trace {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(12px, 2vw, 28px);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--bg);
}

.trace-item {
  display: grid;
  align-content: start;
  min-height: 150px;
  padding: clamp(18px, 2.3vw, 28px);
  border-left: 1px solid var(--line);
}

.trace-item:first-child {
  border-left: 0;
}

.trace-item span,
.trace-item code,
.install-receipt span,
.runtime-verdict span,
.runtime-verdict code {
  font-family: var(--font-mono);
}

.trace-item span {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.trace-item strong {
  margin-bottom: 8px;
  font-size: clamp(1.08rem, 1.45vw, 1.34rem);
  line-height: 1.08;
}

.trace-item code {
  color: var(--accent-dark);
  font-size: 0.78rem;
}

.trace-item-deny {
  background: var(--primary);
  color: var(--bg);
}

.trace-item-deny span,
.trace-item-deny code {
  color: var(--bg);
}

.command-strip {
  display: grid;
  grid-template-columns: minmax(210px, 0.62fr) minmax(420px, 1fr) minmax(250px, 0.72fr);
  gap: clamp(18px, 3vw, 36px);
  align-items: stretch;
  padding: clamp(54px, 7vw, 94px) 0;
  border-bottom: 1px solid var(--line);
}

.command-strip h2 {
  max-width: 13ch;
}

.install-copy,
.install-receipt {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.terminal {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: var(--mono-bg);
  color: var(--mono-ink);
}

.terminal pre {
  padding: 54px 22px 24px;
  font-size: clamp(0.82rem, 1.35vw, 1rem);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.copy-button {
  position: absolute;
  top: 12px;
  right: 12px;
  min-height: 34px;
  padding: 0 11px;
  border: 0;
  border-radius: 7px;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
}

.install-receipt {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
}

.install-receipt span {
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.install-receipt strong {
  margin-bottom: 14px;
  font-size: clamp(1.25rem, 1.8vw, 1.62rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.install-receipt p {
  margin-bottom: 0;
}

.install-receipt code {
  color: var(--primary-dark);
}

.layers,
.evidence,
.roadmap {
  padding: var(--section-y) 0;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(310px, 0.58fr);
  gap: clamp(20px, 4vw, 52px);
  align-items: end;
  margin-bottom: clamp(34px, 6vw, 74px);
}

.layer-flow {
  display: grid;
  grid-template-areas:
    "pre runtime"
    "relay runtime";
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 1px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--line-strong);
}

.layer-block {
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--bg);
}

.layer-block + .layer-block {
  border-left: 0;
}

.layer-index {
  display: block;
  margin-bottom: clamp(32px, 5vw, 62px);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 850;
}

.layer-block p {
  min-height: 0;
}

.layer-block ul {
  display: grid;
  gap: 9px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.layer-block li {
  padding: 8px 0;
  border-top: 1px solid var(--line);
}

.layer-block code {
  color: var(--accent-dark);
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.layer-pre {
  grid-area: pre;
  background: var(--surface);
}

.layer-runtime {
  grid-area: runtime;
  min-height: 620px;
  background: color-mix(in oklch, var(--primary-soft), var(--bg) 28%);
}

.layer-relay {
  grid-area: relay;
  background: var(--bg);
}

.layer-runtime h3 {
  max-width: 12ch;
  font-size: clamp(1.9rem, 3.1vw, 3rem);
}

.layer-runtime p {
  max-width: 56ch;
}

.runtime-verdict {
  display: grid;
  gap: 10px;
  margin: clamp(20px, 4vw, 42px) 0 clamp(20px, 4vw, 44px);
  padding: clamp(18px, 3vw, 28px);
  border-radius: 10px;
  background: var(--mono-bg);
  color: var(--mono-ink);
}

.runtime-verdict span {
  color: oklch(0.72 0.09 242);
  font-size: 0.78rem;
  font-weight: 800;
}

.runtime-verdict strong {
  font-size: clamp(1.65rem, 3vw, 2.7rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.runtime-verdict code {
  color: oklch(0.86 0.13 38);
  font-size: 0.9rem;
}

.evidence {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(470px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  border-top: 1px solid var(--line);
}

.evidence-board {
  display: grid;
  gap: 10px;
}

.audit-row {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  min-height: 78px;
  padding: 16px 18px;
  border-radius: 9px;
  background: var(--surface);
}

.audit-row span,
.audit-row em {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-style: normal;
}

.audit-row span {
  color: var(--accent-dark);
  font-weight: 800;
}

.audit-row b {
  line-height: 1.25;
}

.audit-row em {
  color: var(--muted);
}

.audit-row-deny {
  background: var(--primary);
  color: var(--bg);
}

.audit-row-deny span,
.audit-row-deny em {
  color: var(--bg);
}

.proof-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  overflow: hidden;
  border-radius: 10px;
  background: var(--line-strong);
}

.proof-band > div {
  padding: clamp(22px, 4vw, 38px);
  background: var(--ink);
}

.proof-band strong {
  display: block;
  margin-bottom: 10px;
  color: var(--bg);
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
}

.proof-band p {
  color: oklch(0.84 0.02 250);
}

.proof-band code {
  color: oklch(0.88 0.13 238);
}

.roadmap {
  padding-bottom: clamp(56px, 8vw, 100px);
}

.roadmap-intro {
  margin-bottom: clamp(30px, 5vw, 54px);
}

.roadmap-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.roadmap-list li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: clamp(16px, 4vw, 52px);
  padding: clamp(22px, 4vw, 36px) 0;
  border-bottom: 1px solid var(--line);
}

.roadmap-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 32px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 850;
}

.roadmap-list h3 {
  margin-bottom: 8px;
}

.roadmap-list code {
  color: var(--primary-dark);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0 46px;
  border-top: 1px solid var(--line-strong);
}

.site-footer strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.15rem;
}

.site-footer p {
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-weight: 720;
}

@keyframes gatePulse {
  0%,
  100% {
    transform: scaleY(0.95);
    opacity: 0.88;
  }
  45% {
    transform: scaleY(1.04);
    opacity: 1;
  }
}

@media (max-width: 940px) {
  .site-nav {
    display: none;
  }

  .hero,
  .command-strip,
  .section-intro,
  .evidence,
  .proof-band {
    grid-template-columns: 1fr;
  }

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

  .trace-item:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .trace-item:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .hero {
    min-height: auto;
  }

  .hero-stage {
    min-height: 560px;
  }

  .layer-flow {
    grid-template-areas:
      "pre"
      "runtime"
      "relay";
    grid-template-columns: 1fr;
    gap: 1px;
  }

  .layer-block,
  .layer-runtime {
    min-height: auto;
  }

  .layer-runtime h3 {
    max-width: 15ch;
  }

  .layer-index {
    margin-bottom: 28px;
  }

  .layer-block p {
    min-height: 0;
  }
}

@media (max-width: 680px) {
  :root {
    --header-h: 64px;
  }

  .site-header {
    padding-inline: 16px;
  }

  .brand-glyph {
    width: 32px;
    height: 32px;
  }

  .header-action {
    min-height: 38px;
    padding-inline: 12px;
    font-size: 0.88rem;
  }

  .language-link {
    min-height: 34px;
    padding-inline: 10px;
    font-size: 0.82rem;
  }

  .hero,
  .decision-trace,
  .command-strip,
  .layers,
  .evidence,
  .proof-band,
  .roadmap,
  .site-footer {
    width: min(100% - 28px, var(--max));
  }

  .decision-trace {
    grid-template-columns: 1fr;
  }

  .trace-item,
  .trace-item:first-child,
  .trace-item:nth-child(3),
  .trace-item:nth-child(4) {
    min-height: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .trace-item:first-child {
    border-top: 0;
  }

  .trace-item span {
    margin-bottom: 16px;
  }

  h1 {
    max-width: 11ch;
    font-size: clamp(2.45rem, 13vw, 3.65rem);
  }

  .hero-stage {
    min-height: 520px;
  }

  .stage-node {
    width: 45%;
    padding: 14px;
  }

  .decision-panel {
    left: 8%;
    right: 8%;
  }

  .gate-stack {
    width: 36px;
    left: calc(50% - 18px);
  }

  .terminal pre {
    padding-top: 58px;
    font-size: 0.78rem;
  }

  .audit-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .roadmap-list li {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

@media (max-width: 430px) {
  .brand > span:last-child {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}