:root {
  --ink: #0b0d12;
  --ink-soft: #10131a;
  --panel: #151922;
  --panel-raised: #1b202b;
  --line: #2b3240;
  --line-bright: #424b5e;
  --paper: #f5f7f6;
  --muted: #a9b1be;
  --quiet: #778190;
  --mint: #50e3bf;
  --mint-deep: #19c7ad;
  --blue: #7aa7ff;
  --amber: #ffbc6b;
  --violet: #b6a1ff;
  --danger: #ff7d80;
  --display: "Avenir Next Condensed", "Arial Narrow", "Roboto Condensed", "Helvetica Neue", sans-serif;
  --body: "Avenir Next", Avenir, system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Roboto Mono", Consolas, monospace;
  --radius-sm: 12px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 8%, rgba(80, 227, 191, 0.075), transparent 25rem),
    radial-gradient(circle at 88% 34%, rgba(122, 167, 255, 0.06), transparent 28rem),
    var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 68%);
  content: "";
  pointer-events: none;
}

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

a {
  color: inherit;
  text-decoration-color: rgba(80, 227, 191, 0.55);
  text-underline-offset: 0.2em;
}

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

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

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

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

img {
  max-width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 700;
  transform: translateY(-150%);
}

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

.skip-link:focus-visible {
  outline-color: var(--ink);
}

.site-header {
  position: fixed;
  top: 14px;
  left: 50%;
  z-index: 100;
  display: flex;
  width: min(1180px, calc(100% - 30px));
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 18px;
  background: rgba(11, 13, 18, 0.8);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
  transform: translateX(-50%);
  backdrop-filter: blur(22px) saturate(135%);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(80, 227, 191, 0.22);
  background: rgba(11, 13, 18, 0.94);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--paper);
  font-family: var(--display);
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand img {
  border-radius: 10px;
  filter: drop-shadow(0 5px 13px rgba(80, 227, 191, 0.17));
}

.brand span span {
  color: var(--mint);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 5px;
}

.site-nav a {
  padding: 9px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.015em;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.055);
  color: var(--paper);
}

.site-nav .nav-github {
  margin-left: 5px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--paper);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--paper);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 20px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.section,
.hero,
.proof-strip,
.site-footer {
  width: min(1320px, calc(100% - 48px));
  margin-inline: auto;
}

.section {
  padding-block: 126px;
}

.hero {
  display: grid;
  min-height: 860px;
  grid-template-columns: minmax(0, 1.05fr) minmax(460px, 0.95fr);
  align-items: center;
  gap: clamp(40px, 6vw, 96px);
  padding-top: 138px;
  padding-bottom: 80px;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  line-height: 1.4;
  text-transform: uppercase;
}

.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(80, 227, 191, 0.1), 0 0 20px rgba(80, 227, 191, 0.55);
  animation: live-pulse 2.1s ease-in-out infinite;
}

.hero h1,
.section-heading h2,
.manifesto blockquote,
.build h2,
.origin-note h2 {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.94;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(4rem, 7.1vw, 7.4rem);
}

.hero h1 span {
  display: block;
}

.hero h1 span:nth-child(2) {
  color: var(--mint);
}

.hero h1 .hero-emphasis {
  max-width: 760px;
  margin-top: 0.12em;
  color: var(--muted);
  font-size: 0.63em;
  letter-spacing: -0.035em;
  line-height: 1;
}

.hero-lede {
  max-width: 690px;
  margin: 30px 0 0;
  color: #c7cdd6;
  font-size: clamp(1.08rem, 1.55vw, 1.28rem);
  line-height: 1.65;
}

.hero-actions,
.build-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button-primary {
  background: var(--mint);
  box-shadow: 0 10px 34px rgba(80, 227, 191, 0.18);
  color: #07100e;
}

.button-primary:hover {
  box-shadow: 0 14px 42px rgba(80, 227, 191, 0.28);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--paper);
}

.button-secondary:hover {
  border-color: var(--line-bright);
  background: rgba(255, 255, 255, 0.055);
}

.hero blockquote {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 42px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--amber);
}

.hero blockquote p,
.hero blockquote footer {
  margin: 0;
}

.hero blockquote p {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.hero blockquote footer {
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.flow-console {
  position: relative;
  overflow: hidden;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(28, 33, 44, 0.96), rgba(15, 18, 25, 0.98));
  box-shadow: var(--shadow), inset 0 1px rgba(255, 255, 255, 0.06);
}

.flow-console::after {
  position: absolute;
  top: -180px;
  right: -160px;
  width: 390px;
  height: 390px;
  border: 1px solid rgba(80, 227, 191, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 38px rgba(80, 227, 191, 0.025), 0 0 0 85px rgba(80, 227, 191, 0.018);
  content: "";
  pointer-events: none;
}

.console-topline,
.console-status {
  display: flex;
  align-items: center;
}

.console-topline {
  position: relative;
  z-index: 1;
  justify-content: space-between;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.console-status {
  gap: 7px;
  color: var(--mint);
}

.console-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

.screen-cluster {
  position: relative;
  display: grid;
  height: 220px;
  grid-template-columns: 0.78fr 1.35fr 0.78fr;
  align-items: end;
  gap: 8px;
  margin-top: 26px;
  perspective: 900px;
}

.mini-screen {
  position: relative;
  height: 158px;
  border: 1px solid #3a4252;
  border-bottom: 7px solid #222835;
  border-radius: 10px;
  background:
    linear-gradient(90deg, transparent 49.5%, rgba(255, 255, 255, 0.04) 50%, transparent 50.5%),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    #0c0f15;
  background-size: 100% 100%, 100% 28px, auto;
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.25), inset 0 0 35px rgba(122, 167, 255, 0.04);
}

.mini-screen::after {
  position: absolute;
  bottom: -21px;
  left: 50%;
  width: 35%;
  height: 14px;
  border-bottom: 3px solid #262c37;
  content: "";
  transform: translateX(-50%);
}

.mini-screen-left {
  transform: rotateY(12deg) scale(0.93);
  transform-origin: right center;
}

.mini-screen-right {
  transform: rotateY(-12deg) scale(0.93);
  transform-origin: left center;
}

.mini-screen-main {
  z-index: 2;
  height: 196px;
  border-color: #4a556a;
}

.mini-screen > span {
  position: absolute;
  top: 38%;
  left: 18%;
  width: 64%;
  height: 4px;
  border-radius: 99px;
  background: rgba(122, 167, 255, 0.11);
  box-shadow: 0 14px rgba(122, 167, 255, 0.065), 0 28px rgba(122, 167, 255, 0.04);
}

.recorder-pill {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  width: 88%;
  height: 49px;
  align-items: center;
  gap: 8px;
  padding: 7px 8px 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  background: rgba(26, 30, 39, 0.95);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.42), inset 0 1px rgba(255, 255, 255, 0.06);
  transform: translate(-50%, -50%);
}

.mode-glyph {
  display: inline-grid;
  width: 29px;
  height: 29px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(255, 188, 107, 0.22);
  border-radius: 9px;
  background: rgba(255, 188, 107, 0.08);
  font-size: 0.86rem;
}

.waveform {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

.waveform i {
  width: 2px;
  height: 12px;
  border-radius: 99px;
  background: var(--mint);
  box-shadow: 0 0 8px rgba(80, 227, 191, 0.3);
  animation: waveform 1.15s ease-in-out infinite alternate;
}

.waveform i:nth-child(2n) { animation-delay: -0.4s; }
.waveform i:nth-child(3n) { animation-delay: -0.75s; }
.waveform i:nth-child(4n) { animation-delay: -0.2s; }

.app-glyph {
  display: inline-grid;
  width: 27px;
  height: 27px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: #202633;
  color: #dce4f1;
  font-family: var(--mono);
  font-size: 0.64rem;
  font-style: normal;
  font-weight: 750;
}

.current-app {
  background: #202a3d;
  color: var(--blue);
}

.locked-app {
  border-color: rgba(80, 227, 191, 0.35);
  background: rgba(80, 227, 191, 0.12);
  color: var(--mint);
  box-shadow: 0 0 0 3px rgba(80, 227, 191, 0.045);
}

.relay {
  display: grid;
  gap: 11px;
  margin-top: 26px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 15px;
  background: rgba(7, 9, 13, 0.48);
}

.relay-lane {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  align-items: center;
  gap: 12px;
}

.lane-label {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.agent-lane .lane-label {
  color: var(--mint);
}

.lane-line {
  position: relative;
  display: block;
  height: 1px;
  overflow: visible;
  background: linear-gradient(90deg, rgba(122, 167, 255, 0.2), rgba(122, 167, 255, 0.8));
}

.agent-lane .lane-line {
  background: linear-gradient(90deg, rgba(80, 227, 191, 0.2), rgba(80, 227, 191, 0.8));
}

.lane-line::after {
  position: absolute;
  top: 50%;
  right: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 13px currentColor;
  content: "";
  transform: translateY(-50%);
}

.agent-lane .lane-line::after {
  background: var(--mint);
}

.relay-pulse {
  position: absolute;
  top: -3px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 16px var(--mint);
  animation: relay 3.4s cubic-bezier(0.55, 0, 0.3, 1) infinite;
}

.lane-action {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.61rem;
  white-space: nowrap;
}

.relay-steps {
  display: flex;
  gap: 7px;
}

.relay-steps b {
  color: var(--mint);
  font-weight: 550;
}

.console-readout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 11px 13px;
  border-top: 1px solid var(--line);
  color: #dce2ea;
  font-family: var(--mono);
  font-size: 0.66rem;
}

.console-readout span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.console-readout small {
  color: var(--quiet);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.console-readout strong {
  grid-column: 1 / -1;
  color: var(--mint);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: right;
  text-transform: uppercase;
}

.readout-arrow {
  color: var(--quiet);
}

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

.proof-strip p {
  display: flex;
  min-height: 118px;
  align-items: center;
  gap: 14px;
  margin: 0;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.proof-strip p:last-child {
  border-right: 0;
}

.proof-strip strong {
  color: var(--mint);
  font-family: var(--display);
  font-size: 2.5rem;
  line-height: 1;
}

.proof-strip .proof-word {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.proof-strip span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.35;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: clamp(32px, 7vw, 108px);
  margin-bottom: 58px;
}

.section-heading h2,
.build h2 {
  margin: 0;
  font-size: clamp(3rem, 5.9vw, 6.2rem);
}

.section-heading > p,
.setup-heading > div > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.setup {
  position: relative;
}

.setup-heading {
  grid-template-columns: auto minmax(0, 920px);
  justify-content: start;
}

.ethan-mark {
  position: relative;
}

.ethan-mark img {
  display: block;
  width: 112px;
  height: 112px;
  border: 1px solid var(--line-bright);
  border-radius: 30px;
  background: var(--panel);
  object-fit: cover;
  filter: saturate(0.88) contrast(1.04);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
}

.verified-mark {
  position: absolute;
  right: -8px;
  bottom: -7px;
  display: grid;
  width: 31px;
  height: 31px;
  place-items: center;
  border: 4px solid var(--ink);
  border-radius: 50%;
  background: var(--mint);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 900;
}

.setup-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.setup-card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(21, 25, 34, 0.82);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.035);
}

.setup-card::before {
  position: absolute;
  top: 0;
  left: 28px;
  width: 74px;
  height: 2px;
  background: var(--mint);
  content: "";
}

.setup-mouse,
.setup-stack {
  grid-column: span 6;
}

.setup-routes {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(230px, 0.65fr) minmax(0, 1.1fr) auto;
  align-items: center;
  gap: 38px;
}

.setup-routes .step-index {
  position: absolute;
  top: 28px;
  left: 28px;
}

.setup-routes .two-button-map {
  margin-top: 40px;
}

.setup-routes-copy h3 {
  margin-top: 0;
}

.setup-routes-copy p {
  margin-bottom: 0;
  color: var(--muted);
}

.step-index {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step-index span {
  color: var(--mint);
}

.setup-card h3,
.feature h3,
.route-explanation h3 {
  margin: 24px 0 12px;
  font-family: var(--display);
  font-size: 1.72rem;
  font-weight: 750;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

.setup-card > p,
.feature > p:last-child,
.route-explanation > p {
  color: var(--muted);
}

.mouse-illustration {
  position: relative;
  display: grid;
  height: 210px;
  place-items: center;
  margin: 22px -8px 4px;
}

.mouse-shell {
  position: relative;
  display: block;
  width: 111px;
  height: 176px;
  border: 1px solid #566071;
  border-radius: 54% 54% 43% 43% / 39% 39% 59% 59%;
  background:
    linear-gradient(90deg, transparent 49%, #333a47 49%, #333a47 51%, transparent 51%),
    linear-gradient(155deg, #303744, #151920 66%);
  box-shadow: 0 28px 44px rgba(0, 0, 0, 0.38), inset 8px 4px 18px rgba(255, 255, 255, 0.045);
  transform: rotate(8deg);
}

.mouse-shell b {
  position: absolute;
  top: 24px;
  left: 50%;
  width: 13px;
  height: 29px;
  border: 1px solid #687386;
  border-radius: 99px;
  background: #0e1116;
  transform: translateX(-50%);
}

.mouse-shell i {
  position: absolute;
  left: -6px;
  width: 24px;
  height: 13px;
  border: 1px solid var(--mint-deep);
  border-radius: 8px 3px 3px 8px;
  background: rgba(80, 227, 191, 0.16);
  box-shadow: -4px 0 17px rgba(80, 227, 191, 0.15);
}

.mouse-button-one { top: 53px; }
.mouse-button-two { top: 72px; }

.button-callout {
  position: absolute;
  left: calc(50% - 126px);
  color: var(--mint);
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.button-callout::after {
  position: absolute;
  top: 50%;
  left: calc(100% + 8px);
  width: 56px;
  height: 1px;
  background: rgba(80, 227, 191, 0.5);
  content: "";
}

.callout-one { top: 74px; }
.callout-two { top: 103px; }

.setting-list {
  padding: 0;
  margin: 24px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.setting-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.76rem;
}

.setting-list span {
  color: var(--quiet);
}

.setting-list strong {
  color: var(--paper);
  font-weight: 650;
  text-align: right;
}

.stack-display {
  display: grid;
  margin: 42px 0 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #0c0f15;
}

.stack-display > div {
  display: grid;
  grid-template-columns: 83px 1fr auto;
  align-items: center;
  gap: 11px;
  padding: 15px;
  border-bottom: 1px solid var(--line);
}

.stack-display > div:last-child {
  border-bottom: 0;
}

.stack-display small,
.stack-display span {
  font-family: var(--mono);
  font-size: 0.59rem;
}

.stack-display small {
  color: var(--mint);
  letter-spacing: 0.08em;
}

.stack-display strong {
  font-size: 0.8rem;
  font-weight: 650;
}

.stack-display span {
  color: var(--quiet);
  text-align: right;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0;
  margin-top: 20px;
  list-style: none;
}

.chips li {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  color: #bfc6d1;
  font-family: var(--mono);
  font-size: 0.59rem;
}

.detail-drawer {
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(8, 10, 14, 0.35);
}

.detail-drawer summary {
  position: relative;
  padding: 11px 38px 11px 13px;
  color: #c7ced8;
  cursor: pointer;
  font-size: 0.74rem;
  font-weight: 650;
  list-style: none;
}

.detail-drawer summary::-webkit-details-marker { display: none; }

.detail-drawer summary::after {
  position: absolute;
  top: 50%;
  right: 13px;
  color: var(--mint);
  content: "+";
  font-family: var(--mono);
  transform: translateY(-50%);
}

.detail-drawer[open] summary::after { content: "−"; }

.detail-drawer div {
  padding: 0 13px 13px;
  color: var(--muted);
  font-size: 0.78rem;
}

.detail-drawer p { margin: 0; }

.two-button-map {
  display: grid;
  gap: 8px;
}

.two-button-map > div {
  display: grid;
  grid-template-columns: 70px 1fr;
  align-items: center;
  gap: 13px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #0c0f15;
  color: var(--muted);
  font-size: 0.7rem;
}

.two-button-map .second-chance {
  border-color: rgba(80, 227, 191, 0.35);
  color: var(--paper);
}

kbd {
  display: inline-grid;
  min-height: 30px;
  place-items: center;
  padding: 4px 8px;
  border: 1px solid #4d5667;
  border-bottom-width: 3px;
  border-radius: 7px;
  background: #202632;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 750;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mint);
  font-size: 0.79rem;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.routing {
  padding-top: 90px;
}

.route-lab {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.route-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 9px;
  border-bottom: 1px solid var(--line);
  background: #0e1117;
}

.route-tabs button {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 11px;
  padding: 15px 16px;
  border: 1px solid transparent;
  border-radius: 13px;
  background: transparent;
  color: var(--quiet);
  cursor: pointer;
  text-align: left;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.route-tabs button:hover {
  color: var(--muted);
}

.route-tabs button[aria-selected="true"] {
  border-color: var(--line);
  background: var(--panel-raised);
  color: var(--paper);
}

.route-tabs button[aria-selected="true"]::after {
  position: absolute;
  right: 16px;
  bottom: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px rgba(80, 227, 191, 0.65);
  content: "";
}

.route-tabs button > span {
  grid-row: span 2;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.route-tabs strong {
  font-family: var(--display);
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

.route-tabs small {
  font-family: var(--mono);
  font-size: 0.62rem;
}

.route-lab.is-interactive .route-panel[data-active="false"] {
  display: none;
}

.route-panel {
  display: grid;
  min-height: 450px;
  grid-template-columns: minmax(0, 1.35fr) minmax(330px, 0.65fr);
}

.route-panel + .route-panel {
  border-top: 1px solid var(--line);
}

.route-stage {
  position: relative;
  display: grid;
  grid-template-columns: 150px 1fr 150px;
  align-items: center;
  gap: 22px;
  padding: 44px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    #0b0e13;
  background-size: 38px 38px, 38px 38px, auto;
}

.route-stage::before {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 65% 50%, rgba(80, 227, 191, 0.09), transparent 36%);
  content: "";
  pointer-events: none;
}

.app-node {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 165px;
  place-items: center;
  align-content: center;
  padding: 18px 10px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(24, 29, 39, 0.95);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
  text-align: center;
}

.app-node.is-target {
  border-color: rgba(80, 227, 191, 0.52);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.3), 0 0 0 4px rgba(80, 227, 191, 0.055);
}

.node-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 12px;
  border: 1px solid #434d5f;
  border-radius: 13px;
  background: #222936;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 800;
}

.is-target .node-icon {
  border-color: rgba(80, 227, 191, 0.4);
  background: rgba(80, 227, 191, 0.12);
  color: var(--mint);
}

.app-node small,
.app-node em {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-style: normal;
  letter-spacing: 0.08em;
}

.app-node small { color: var(--quiet); }
.app-node strong { margin-top: 3px; font-size: 0.75rem; }

.app-node em {
  margin-top: 13px;
  color: var(--mint);
}

.route-track {
  position: relative;
  z-index: 1;
  min-width: 90px;
}

.track-line {
  position: relative;
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--mint));
}

.track-line::after {
  position: absolute;
  top: 50%;
  right: -1px;
  width: 9px;
  height: 9px;
  border-top: 2px solid var(--mint);
  border-right: 2px solid var(--mint);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.track-line i {
  position: absolute;
  top: -4px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 18px var(--mint);
  animation: route-packet 2.8s ease-in-out infinite;
}

.speech-packet,
.route-action {
  position: absolute;
  left: 50%;
  font-family: var(--mono);
  text-align: center;
  transform: translateX(-50%);
  white-space: nowrap;
}

.speech-packet {
  bottom: 19px;
  color: var(--muted);
  font-size: 0.62rem;
}

.route-action {
  top: 21px;
  padding: 5px 8px;
  border: 1px solid rgba(80, 227, 191, 0.28);
  border-radius: 6px;
  background: rgba(80, 227, 191, 0.08);
  color: var(--mint);
  font-size: 0.55rem;
  font-weight: 750;
  letter-spacing: 0.07em;
}

.route-explanation {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 42px;
  border-left: 1px solid var(--line);
  background: var(--panel-raised);
}

.route-explanation .route-kicker {
  margin: 0;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.route-explanation h3 {
  margin-top: 15px;
  font-size: 2rem;
}

.route-explanation > p:not(.route-kicker) {
  margin: 0;
  font-size: 0.9rem;
}

.route-explanation ol {
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
  counter-reset: route-steps;
}

.route-explanation li {
  position: relative;
  padding: 9px 0 9px 31px;
  border-top: 1px solid var(--line);
  color: #c1c8d2;
  font-size: 0.74rem;
  counter-increment: route-steps;
}

.route-explanation li::before {
  position: absolute;
  top: 9px;
  left: 0;
  color: var(--quiet);
  content: "0" counter(route-steps);
  font-family: var(--mono);
  font-size: 0.58rem;
}

.route-stage[data-route-stage="return"] .start-node,
.route-stage[data-route-stage="retarget"] .target-node {
  border-color: rgba(80, 227, 191, 0.52);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.3), 0 0 0 4px rgba(80, 227, 191, 0.055);
}

.route-stage[data-route-stage="return"] .target-node {
  border-color: var(--line);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
}

.route-stage[data-route-stage="return"] .track-line {
  transform: scaleX(-1);
}

.route-stage[data-route-stage="return"] .track-line i {
  animation-direction: reverse;
}

.route-stage[data-route-stage="retarget"] .track-line {
  background: linear-gradient(90deg, var(--amber), var(--mint));
}

.route-stage[data-route-stage="retarget"] .route-action {
  border-color: rgba(255, 188, 107, 0.35);
  background: rgba(255, 188, 107, 0.09);
  color: var(--amber);
}

.agent-support {
  padding-top: 90px;
}

.agent-matrix-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #0e1117;
  box-shadow: var(--shadow);
}

.agent-matrix-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.63rem;
  font-weight: 750;
  letter-spacing: 0.11em;
}

.agent-matrix-header strong {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mint);
  font-size: inherit;
}

.agent-matrix-header i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 14px rgba(80, 227, 191, 0.72);
}

.agent-matrix-scroll {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.agent-matrix {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  table-layout: fixed;
}

.agent-matrix th,
.agent-matrix td {
  padding: 21px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.agent-matrix th:last-child,
.agent-matrix td:last-child {
  border-right: 0;
}

.agent-matrix tbody tr:last-child th,
.agent-matrix tbody tr:last-child td {
  border-bottom: 0;
}

.agent-matrix thead th {
  padding-block: 13px;
  background: #131720;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.61rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.agent-matrix tbody th {
  color: var(--paper);
  font-family: var(--display);
  font-size: 1.08rem;
}

.agent-surface {
  display: flex;
  align-items: center;
  gap: 13px;
}

.agent-matrix tbody td {
  color: #c1c8d2;
  font-size: 0.84rem;
}

.agent-badge {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  place-items: center;
  border: 1px solid var(--line-bright);
  border-radius: 11px;
  background: var(--panel-raised);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 850;
  box-shadow: inset 0 0 18px rgba(255, 255, 255, 0.025);
}

.codex-badge { color: var(--mint); }
.cli-badge { color: var(--blue); }
.claude-badge { color: var(--amber); }

.host-chip {
  display: inline-flex;
  padding: 5px 9px;
  border: 1px solid rgba(122, 167, 255, 0.25);
  border-radius: 999px;
  background: rgba(122, 167, 255, 0.07);
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 750;
}

.host-rule {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 24px;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(80, 227, 191, 0.065), transparent 38%),
    var(--panel);
}

.host-rule > span {
  color: var(--mint);
  font-family: var(--mono);
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.11em;
}

.host-rule p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.host-rule p strong {
  color: var(--paper);
}

.host-rule code {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #0b0e13;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.59rem;
  white-space: nowrap;
}

.host-rule code:focus-visible,
.agent-matrix-scroll:focus-visible,
.terminal-card pre:focus-visible {
  outline-offset: -4px;
}

.manifesto {
  padding-top: 90px;
  padding-bottom: 90px;
  text-align: center;
}

.manifesto-small {
  margin: 0 0 12px;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.old-rhythm {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 0 0 56px;
  color: #687180;
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.old-rhythm strong {
  color: var(--danger);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

.old-rhythm i {
  font-style: normal;
  font-weight: 400;
}

.new-rhythm {
  width: min(940px, 100%);
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  text-align: left;
}

.new-rhythm p {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  margin: 0;
  padding: 20px 25px;
  border-bottom: 1px solid var(--line);
}

.new-rhythm p:last-child { border-bottom: 0; }

.new-rhythm span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.new-rhythm p:last-child span { color: var(--mint); }

.new-rhythm strong {
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.manifesto blockquote {
  margin: 58px 0 0;
  color: var(--paper);
  font-size: clamp(3.2rem, 7vw, 7rem);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.feature {
  grid-column: span 2;
  min-height: 390px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(21, 25, 34, 0.78);
}

.feature-wide { grid-column: span 4; }

.feature-visual {
  display: flex;
  height: 174px;
  align-items: center;
  justify-content: center;
  gap: 11px;
  margin-bottom: 25px;
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 15px;
  background: #0c0f15;
}

.monitor-visual {
  perspective: 700px;
}

.monitor-visual > span {
  position: relative;
  display: grid;
  width: 25%;
  height: 92px;
  place-items: center;
  border: 1px solid #3d4656;
  border-bottom-width: 5px;
  border-radius: 7px;
  background: #11151c;
}

.monitor-visual > span:first-child { transform: rotateY(9deg); }
.monitor-visual > span:last-child { transform: rotateY(-9deg); }

.tiny-recorder {
  width: 66%;
  height: 17px;
  border: 1px solid rgba(80, 227, 191, 0.25);
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(255, 188, 107, 0.24) 12%, transparent 12% 27%, rgba(80, 227, 191, 0.45) 27% 70%, transparent 70% 75%, rgba(122, 167, 255, 0.28) 75%);
}

.icon-visual .mini-wave {
  width: 72px;
  height: 22px;
  background: repeating-linear-gradient(90deg, var(--mint) 0 2px, transparent 2px 7px);
  mask-image: linear-gradient(to bottom, transparent 10%, black 48%, transparent 90%);
}

.stack-visual {
  position: relative;
}

.stack-visual i {
  position: absolute;
  width: 54%;
  height: 56px;
  border: 1px solid #3b4557;
  border-radius: 12px;
  background: #171c26;
  transform: translateY(-16px) scale(0.9);
}

.stack-visual i:nth-child(2) { transform: translateY(0) scale(0.95); }
.stack-visual i:nth-child(3) { border-color: rgba(80, 227, 191, 0.4); transform: translateY(18px); }

.stack-visual b {
  z-index: 2;
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border-radius: 50%;
  background: var(--mint);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.safety-visual span,
.control-visual span {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border: 1px solid #3d4656;
  border-radius: 13px;
  background: #1b202b;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 750;
}

.safety-visual i {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  background: var(--mint);
  color: var(--ink);
  font-size: 0.65rem;
  font-style: normal;
  font-weight: 900;
}

.control-visual span:nth-child(1) { color: var(--danger); }
.control-visual span:nth-child(2) { color: var(--amber); }
.control-visual span:nth-child(3) { color: var(--blue); }

.feature-number {
  margin: 0;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.1em;
}

.feature h3 {
  margin-top: 12px;
}

.feature > p:last-child {
  margin-bottom: 0;
  font-size: 0.86rem;
}

.build {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(430px, 0.82fr);
  align-items: center;
  gap: clamp(55px, 8vw, 120px);
}

.build-copy > p:not(.eyebrow) {
  max-width: 660px;
  color: var(--muted);
  font-size: 1.02rem;
}

.build-warning {
  grid-column: 1 / -1;
  margin: -30px 0 0;
  padding: 13px 16px;
  border: 1px solid rgba(255, 188, 107, 0.28);
  border-radius: 12px;
  background: rgba(255, 188, 107, 0.055);
  color: var(--muted);
  font-size: 0.78rem;
}

.build-warning strong {
  color: var(--amber);
}

.build-steps {
  padding: 0;
  margin: 34px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.build-steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 15px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.build-steps li > span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid rgba(80, 227, 191, 0.3);
  border-radius: 8px;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.build-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.build-steps strong {
  color: var(--paper);
  font-size: 0.9rem;
}

.terminal-card {
  position: relative;
  overflow: hidden;
  border: 1px solid #3a4352;
  border-radius: 20px;
  background: #090b0f;
  box-shadow: var(--shadow), inset 0 1px rgba(255, 255, 255, 0.06);
  transform: rotate(1.3deg);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 13px 15px;
  border-bottom: 1px solid var(--line);
  background: #171b23;
}

.terminal-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #434b59;
}

.terminal-bar span:first-child { background: #ff6f73; }
.terminal-bar span:nth-child(2) { background: var(--amber); }
.terminal-bar span:nth-child(3) { background: var(--mint); }

.terminal-bar strong {
  margin-left: auto;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
}

.terminal-card pre {
  min-height: 270px;
  margin: 0;
  padding: 30px 24px;
  overflow-x: auto;
  color: #cbd3dc;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 2.1;
}

.prompt { color: var(--mint); }

.copy-command {
  position: absolute;
  right: 16px;
  bottom: 16px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #1b2029;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.58rem;
}

.copy-command:hover { color: var(--paper); }

.terminal-card > p {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 11px 15px;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.57rem;
}

.origin-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding-block: 42px;
  border-block: 1px solid var(--line);
}

.origin-note img {
  border-radius: 18px;
}

.origin-note h2 {
  margin: 0 0 5px;
  font-size: 1.8rem;
}

.origin-note p {
  max-width: 850px;
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 26px;
  padding-block: 44px 58px;
  color: var(--quiet);
  font-size: 0.72rem;
}

.site-footer p { margin: 0; }
.site-footer strong { color: var(--paper); }

.site-footer nav {
  display: flex;
  gap: 18px;
}

.site-footer a { color: var(--muted); }
.footer-credit { text-align: right; }

.error-page {
  display: flex;
  width: min(760px, calc(100% - 40px));
  min-height: 100vh;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
  margin: 0 auto;
}

.error-page h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(4.5rem, 13vw, 9rem);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.88;
}

.error-page > p:not(.eyebrow) {
  max-width: 530px;
  margin: 28px 0 10px;
  color: var(--muted);
  font-size: 1.1rem;
}

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js-failed .reveal {
  opacity: 1;
  transform: none;
}

@keyframes live-pulse {
  0%, 100% { opacity: 0.7; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.08); }
}

@keyframes waveform {
  0% { height: 7px; opacity: 0.55; }
  100% { height: 25px; opacity: 1; }
}

@keyframes relay {
  0% { left: 0; opacity: 0; }
  8% { opacity: 1; }
  88% { opacity: 1; }
  100% { left: calc(100% - 7px); opacity: 0; }
}

@keyframes route-packet {
  0% { left: 0; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { left: calc(100% - 10px); opacity: 0; }
}

@media (max-width: 1120px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 160px;
  }

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

  .flow-console {
    width: min(690px, 100%);
    justify-self: center;
  }

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

  .proof-strip p:nth-child(2) { border-right: 0; }
  .proof-strip p:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }

  .setup-routes {
    grid-template-columns: minmax(230px, 0.75fr) minmax(0, 1.2fr);
  }

  .setup-routes .text-link {
    grid-column: 2;
  }

  .route-panel {
    grid-template-columns: 1fr;
  }

  .route-explanation {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .feature-wide,
  .feature {
    grid-column: span 3;
  }

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

  .terminal-card {
    width: min(720px, 100%);
    transform: none;
  }
}

@media (max-width: 820px) {
  .site-header {
    top: 9px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    display: none;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(11, 13, 18, 0.98);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    padding: 12px;
  }

  .site-nav .nav-github {
    margin: 2px 0 0;
  }

  .nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-of-type(2) {
    transform: translateY(3.5px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-of-type(3) {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .section,
  .hero,
  .proof-strip,
  .site-footer {
    width: min(720px, calc(100% - 30px));
  }

  .section { padding-block: 90px; }

  .hero {
    gap: 54px;
    padding-top: 135px;
    padding-bottom: 70px;
  }

  .hero h1 {
    font-size: clamp(3.7rem, 15vw, 6.2rem);
  }

  .hero blockquote {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  .section-heading,
  .setup-heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 24px;
  }

  .setup-heading {
    grid-template-columns: auto 1fr;
  }

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

  .setup-mouse,
  .setup-stack,
  .setup-routes {
    grid-column: 1;
  }

  .setup-routes {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .setup-routes .text-link {
    grid-column: 1;
  }

  .route-tabs {
    overflow-x: auto;
    grid-template-columns: repeat(3, minmax(200px, 1fr));
  }

  .route-stage {
    min-height: 360px;
    grid-template-columns: 105px 1fr 105px;
    gap: 12px;
    padding: 26px;
  }

  .app-node {
    min-height: 145px;
  }

  .feature-wide,
  .feature {
    grid-column: 1 / -1;
  }

  .host-rule {
    grid-template-columns: 1fr;
    gap: 11px;
  }

  .host-rule code {
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .footer-credit { text-align: left; }
}

@media (max-width: 560px) {
  body { font-size: 15px; }

  .section,
  .hero,
  .proof-strip,
  .site-footer {
    width: min(520px, calc(100% - 22px));
  }

  .site-header {
    width: calc(100% - 18px);
  }

  .hero h1 {
    font-size: clamp(3.25rem, 16vw, 4.7rem);
  }

  .hero-actions .button,
  .build-actions .button {
    width: 100%;
  }

  .flow-console {
    padding: 15px;
    border-radius: 24px;
  }

  .screen-cluster {
    height: 172px;
  }

  .mini-screen {
    height: 110px;
  }

  .mini-screen-main {
    height: 150px;
  }

  .recorder-pill {
    width: 95%;
    gap: 5px;
  }

  .waveform i:nth-child(n + 7) { display: none; }

  .relay-lane {
    grid-template-columns: 43px 1fr;
  }

  .lane-action {
    grid-column: 2;
    white-space: normal;
  }

  .console-readout {
    grid-template-columns: 1fr auto 1fr;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }

  .proof-strip p,
  .proof-strip p:nth-child(2) {
    min-height: 90px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-strip p:last-child { border-bottom: 0; }

  .setup-heading {
    grid-template-columns: 1fr;
  }

  .ethan-mark img {
    width: 92px;
    height: 92px;
    border-radius: 24px;
  }

  .setup-card,
  .route-explanation,
  .feature {
    padding: 22px;
  }

  .route-tabs {
    overflow-x: visible;
    grid-template-columns: 1fr;
  }

  .agent-matrix-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .stack-display > div {
    grid-template-columns: 75px 1fr;
  }

  .stack-display span {
    display: none;
  }

  .route-stage {
    min-height: 430px;
    grid-template-columns: 1fr;
    grid-template-rows: 110px 72px 110px;
    padding: 22px 55px;
  }

  .app-node {
    min-height: 110px;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto auto;
    column-gap: 12px;
    justify-items: start;
    padding: 13px;
    text-align: left;
  }

  .node-icon {
    grid-row: 1 / 4;
    margin: 0;
  }

  .app-node em { margin-top: 3px; }

  .route-track {
    width: 2px;
    height: 72px;
    justify-self: center;
  }

  .track-line {
    width: 2px;
    height: 100%;
    background: linear-gradient(var(--blue), var(--mint));
  }

  .track-line::after {
    top: auto;
    right: auto;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
  }

  .track-line i {
    top: 0;
    left: -4px;
    animation: route-packet-mobile 2.8s ease-in-out infinite;
  }

  .speech-packet {
    top: 50%;
    bottom: auto;
    left: 15px;
    transform: translateY(-50%);
  }

  .route-action {
    top: 50%;
    right: 15px;
    left: auto;
    transform: translateY(-50%);
  }

  .route-stage[data-route-stage="return"] .track-line {
    transform: scaleY(-1);
  }

  .new-rhythm p {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .manifesto blockquote {
    font-size: clamp(3rem, 15vw, 4.6rem);
  }

  .terminal-card pre {
    padding: 24px 17px 76px;
    font-size: 0.63rem;
  }

  .origin-note {
    grid-template-columns: auto 1fr;
  }

  .origin-note .text-link {
    grid-column: 2;
  }

  .site-footer nav {
    flex-direction: column;
    gap: 7px;
  }
}

@keyframes route-packet-mobile {
  0% { top: 0; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { top: calc(100% - 10px); opacity: 0; }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .js .reveal,
  .js .reveal.is-visible {
    opacity: 1 !important;
    transform: none !important;
  }
}