:root {
  --bg: #070d12;
  --bg-deep: #04080c;
  --surface: #0d151b;
  --surface-raised: #121c23;
  --surface-soft: #17232a;
  --line: #26333b;
  --line-bright: #3a4a53;
  --text: #f4f7f8;
  --text-muted: #a6b3ba;
  --text-dim: #71818b;
  --cyan: #27d7ff;
  --cyan-bright: #6ae7ff;
  --cyan-deep: #087d9c;
  --green: #4ee46d;
  --violet: #ae7cff;
  --orange: #ff8558;
  --blue: #79b3ff;
  --focus: #7cecff;
  --container: 1120px;
  --radius: 10px;
  font-family: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

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

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

button {
  font: inherit;
}

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

.container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.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;
  z-index: 100;
  top: 14px;
  left: 18px;
  padding: 9px 14px;
  border: 1px solid var(--cyan);
  border-radius: 6px;
  background: var(--surface-raised);
  color: var(--text);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

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

.site-header :focus-visible,
.hero :focus-visible,
.section-dark :focus-visible,
.final-cta :focus-visible,
.site-footer :focus-visible,
.not-found :focus-visible {
  outline-color: var(--focus);
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid rgba(74, 97, 108, 0.28);
  background: rgba(7, 13, 18, 0.84);
  color: var(--text);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
}

.brand-name strong {
  color: var(--cyan);
  font-weight: 700;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}

.primary-nav > a:not(.nav-github) {
  transition: color 180ms ease;
}

.primary-nav > a:not(.nav-github):hover {
  color: var(--text);
}

.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 17px;
  border: 1px solid var(--cyan);
  border-radius: 5px;
  background: var(--cyan);
  color: #041016;
  font-weight: 800;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-github:hover {
  background: var(--cyan-bright);
  transform: translateY(-1px);
}

.github-mark {
  display: inline-grid;
  width: 15px;
  height: 15px;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 50%;
  font-size: 0;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 38px;
  padding: 8px;
  border: 1px solid var(--line-bright);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 4px;
  background: currentColor;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(74, 97, 108, 0.28);
  background:
    radial-gradient(circle at 82% 42%, rgba(16, 142, 178, 0.13), transparent 33%),
    radial-gradient(circle at 42% 75%, rgba(14, 83, 107, 0.09), transparent 32%),
    var(--bg);
}

.hero::before,
.section-dark::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(58, 97, 113, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58, 97, 113, 0.1) 1px, transparent 1px);
  background-size: 54px 54px;
  content: "";
  mask-image: linear-gradient(90deg, black, transparent 95%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.93fr) minmax(420px, 1.07fr);
  align-items: center;
  gap: 42px;
  min-height: 360px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 550px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow-line {
  width: 28px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(39, 215, 255, 0.8);
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

.hero h1 {
  max-width: 590px;
  margin: 0;
  font-size: clamp(3rem, 5.3vw, 5.25rem);
  font-weight: 750;
  letter-spacing: -0.075em;
  line-height: 0.92;
}

.hero h1 span {
  color: var(--cyan-bright);
}

.hero-lede {
  max-width: 500px;
  margin: 14px 0 0;
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 11px 17px;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 800;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

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

.button-primary {
  background: var(--cyan);
  color: #031219;
  box-shadow: 0 8px 26px rgba(39, 215, 255, 0.14);
}

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

.button-secondary {
  border-color: var(--line-bright);
  background: rgba(13, 21, 27, 0.6);
  color: var(--text);
}

.button-secondary:hover {
  border-color: var(--cyan);
  background: rgba(39, 215, 255, 0.08);
}

.button-glyph {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 15px;
}

.book-glyph {
  font-size: 17px;
  line-height: 1;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 10px 0 0;
  color: var(--text-dim);
  font-size: 10px;
}

.hero-meta i {
  color: var(--line-bright);
  font-style: normal;
}

.hero-console {
  position: relative;
  min-height: 320px;
  margin-right: -25px;
}

.console-panel {
  position: absolute;
  overflow: hidden;
  border: 1px solid var(--line-bright);
  border-radius: 10px;
  background: rgba(5, 11, 15, 0.91);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(10px);
}

.manifest-panel {
  top: 0;
  left: 0;
  z-index: 1;
  width: 73%;
}

.validation-panel {
  right: 0;
  bottom: 0;
  z-index: 2;
  width: 71%;
}

.panel-header,
.panel-status,
.terminal-bar {
  display: flex;
  align-items: center;
}

.panel-header {
  min-height: 45px;
  gap: 10px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  color: var(--text-muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.panel-file-icon {
  color: var(--text-dim);
  font-size: 15px;
}

.panel-dots {
  margin-left: auto;
  color: var(--text-dim);
  letter-spacing: 2px;
}

.code-window {
  min-height: 198px;
  padding: 12px 0 10px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  line-height: 2;
}

.code-line {
  display: grid;
  grid-template-columns: 38px 1fr;
  min-height: 22px;
}

.line-number {
  padding-right: 11px;
  border-right: 1px solid rgba(37, 60, 70, 0.5);
  color: #556770;
  text-align: right;
  user-select: none;
}

.code-line code {
  padding-left: 14px;
  color: var(--text);
  white-space: nowrap;
}

.code-line b {
  color: #ffb32e;
  font-weight: 500;
}

.code-indent {
  padding-left: 28px !important;
}

.code-indent-double {
  padding-left: 46px !important;
}

.panel-status {
  justify-content: space-between;
  min-height: 35px;
  padding: 0 13px;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
}

.panel-status span:last-child {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.panel-status b {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(78, 228, 109, 0.8);
}

.terminal-prompt {
  color: var(--green);
  font-weight: 700;
}

.validation-panel .panel-header {
  color: var(--text);
}

.validation-list {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0 22px;
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  line-height: 1.35;
  list-style: none;
}

.validation-list li {
  display: flex;
  align-items: center;
  gap: 11px;
}

.validation-check {
  color: var(--green);
  font-size: 20px;
  line-height: 1;
  text-shadow: 0 0 11px rgba(78, 228, 109, 0.5);
}

.handoff-ready {
  margin: 21px 22px 22px;
  color: var(--green);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.section {
  padding: 20px 0;
}

.section-frame-section,
.capabilities-section {
  background:
    radial-gradient(circle at 5% 50%, rgba(39, 215, 255, 0.035), transparent 34%),
    var(--bg);
}

.section-frame {
  padding: 12px 18px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: linear-gradient(140deg, rgba(17, 27, 34, 0.72), rgba(8, 14, 19, 0.78));
}

.section h2 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: clamp(1.7rem, 3.1vw, 2.7rem);
  font-weight: 750;
  letter-spacing: -0.06em;
  line-height: 1;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.problem-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: start;
  column-gap: 14px;
  min-height: 140px;
  padding: 14px 15px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(6, 12, 16, 0.65);
}

.problem-card h3,
.capability-card h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 750;
  letter-spacing: -0.025em;
}

.problem-card p {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.problem-answer {
  grid-column: 1 / -1;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line-bright);
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.problem-answer span {
  display: block;
  margin-bottom: 3px;
  color: var(--violet);
  font-size: 11px;
  font-weight: 750;
}

.problem-icon {
  position: relative;
  width: 43px;
  height: 43px;
  color: var(--violet);
}

.icon-arc {
  position: absolute;
  top: 9px;
  left: 7px;
  width: 18px;
  height: 20px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-bottom-color: transparent;
  border-radius: 11px 4px 4px 4px;
  transform: rotate(-35deg);
}

.icon-node {
  position: absolute;
  top: 1px;
  left: 22px;
  width: 7px;
  height: 7px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.icon-cross {
  position: absolute;
  right: 0;
  bottom: 1px;
  font-size: 18px;
  font-weight: 500;
}

.icon-paper {
  position: absolute;
  top: 2px;
  left: 7px;
  width: 27px;
  height: 35px;
  border: 2px solid currentColor;
  border-radius: 3px;
  transform: skewY(-5deg);
}

.icon-paper-line {
  position: absolute;
  left: 14px;
  width: 15px;
  height: 2px;
  background: currentColor;
}

.line-one {
  top: 14px;
}

.line-two {
  top: 22px;
}

.icon-scope {
  color: var(--violet);
}

.scope-arrow {
  position: absolute;
  width: 15px;
  height: 15px;
  border-color: currentColor;
}

.arrow-top {
  top: 3px;
  left: 3px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.arrow-right {
  top: 3px;
  right: 3px;
  border-top: 2px solid;
  border-right: 2px solid;
}

.arrow-bottom {
  right: 3px;
  bottom: 3px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.arrow-left {
  bottom: 3px;
  left: 3px;
  border-bottom: 2px solid;
  border-left: 2px solid;
}

.section-dark {
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(74, 97, 108, 0.28);
  border-bottom: 1px solid rgba(74, 97, 108, 0.28);
  background: var(--surface);
}

.section-dark > .container {
  position: relative;
  z-index: 1;
}

.workflow-rail {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 24px;
  padding: 3px 0 0;
}

.workflow-step {
  position: relative;
  min-height: 117px;
  padding: 13px 8px 10px;
  border: 1px solid var(--line-bright);
  border-radius: 9px;
  background: rgba(7, 14, 19, 0.72);
  text-align: center;
}

.workflow-step:not(:last-child)::after {
  position: absolute;
  top: 31px;
  right: -25px;
  width: 25px;
  border-top: 2px dotted var(--cyan-deep);
  content: "";
}

.step-number {
  position: absolute;
  top: -12px;
  left: 50%;
  display: grid;
  width: 23px;
  height: 23px;
  place-items: center;
  border-radius: 50%;
  background: var(--cyan);
  color: #031319;
  font-size: 11px;
  font-weight: 800;
  transform: translateX(-50%);
}

.step-icon {
  display: grid;
  height: 34px;
  place-items: center;
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 30px;
  line-height: 1;
}

.step-plan,
.step-review,
.step-lock,
.step-red {
  color: #f4f7f8;
}

.step-code {
  color: var(--text);
  font-size: 21px;
}

.step-verify {
  color: var(--cyan-bright);
  font-size: 34px;
}

.step-learn {
  color: var(--text);
}

.workflow-step h3 {
  margin: 5px 0 4px;
  color: var(--text);
  font-size: 13px;
  font-weight: 750;
}

.workflow-step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 9px;
  line-height: 1.4;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.capability-card {
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  gap: 13px;
  min-height: 66px;
  padding: 14px 17px;
  border-radius: 9px;
  background: #f1f5f6;
  color: #0b1318;
}

.capability-icon {
  display: grid;
  width: 39px;
  height: 39px;
  place-items: center;
  border: 2px solid #77b8ff;
  border-radius: 7px;
  color: #4a91e2;
  font-size: 23px;
  line-height: 1;
}

.capability-card h3 {
  color: #0b1318;
}

.capability-card p {
  margin: 5px 0 0;
  color: #34434c;
  font-size: 11px;
  line-height: 1.42;
}

.tools-heading {
  margin: 10px 0 7px;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  padding: 0 12px;
}

.tool-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 34px;
  border: 1px solid var(--line-bright);
  border-radius: 8px;
  color: var(--text);
  font-size: 12px;
  font-weight: 650;
}

.tool-glyph {
  display: inline-grid;
  min-width: 21px;
  place-items: center;
  color: var(--cyan-bright);
  font-size: 18px;
  font-weight: 750;
}

.tool-codex {
  color: var(--text);
}

.tool-cursor {
  color: #ddd;
}

.tool-windsurf {
  color: #67ddc6;
}

.tool-generic {
  color: var(--text-muted);
  font-size: 12px;
}

.quickstart-section {
  padding-top: 20px;
}

.quickstart-card {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  align-items: center;
  gap: 42px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: linear-gradient(120deg, rgba(16, 28, 35, 0.93), rgba(8, 14, 19, 0.96));
}

.quickstart-card h2 {
  font-size: 2.1rem;
  margin-bottom: 16px;
}

.quickstart-copy p {
  max-width: 310px;
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.45;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 14px;
  color: var(--cyan-bright);
  font-size: 13px;
  font-weight: 700;
}

.text-link:hover {
  color: var(--text);
}

.terminal-card {
  overflow: hidden;
  border: 1px solid var(--line-bright);
  border-radius: 9px;
  background: #03080b;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.22);
}

.terminal-bar {
  justify-content: center;
  position: relative;
  min-height: 31px;
  border-bottom: 1px solid var(--line);
  background: #182229;
  color: var(--text-muted);
  font-size: 11px;
}

.terminal-controls {
  position: absolute;
  left: 14px;
  display: flex;
  gap: 7px;
}

.terminal-controls span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cb6f6b;
}

.terminal-controls span:nth-child(2) {
  background: #c8a55b;
}

.terminal-controls span:nth-child(3) {
  background: #6ba27c;
}

.terminal-card pre {
  margin: 0;
  padding: 11px 15px 12px;
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.terminal-prompt {
  color: var(--green);
}

.terminal-success {
  color: var(--green);
  font-size: 17px;
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding: 9px 0;
  border-top: 1px solid rgba(108, 131, 201, 0.2);
  border-bottom: 1px solid rgba(108, 131, 201, 0.2);
  background:
    radial-gradient(circle at 32% 45%, rgba(39, 215, 255, 0.12), transparent 23%),
    radial-gradient(circle at 72% 50%, rgba(101, 80, 192, 0.13), transparent 37%),
    #101525;
}

.final-cta::after {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image: linear-gradient(rgba(115, 136, 201, 0.1) 1px, transparent 1px), linear-gradient(90deg, rgba(115, 136, 201, 0.1) 1px, transparent 1px);
  background-size: 38px 38px;
  content: "";
  pointer-events: none;
}

.final-cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.final-cta-inner > img {
  width: 48px;
  height: 48px;
}

.final-cta h2 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: clamp(1.8rem, 3.7vw, 2.75rem);
  letter-spacing: -0.06em;
}

.final-cta .button {
  min-height: 39px;
  padding-block: 8px;
}

.site-footer {
  padding: 10px 0 12px;
  background: var(--bg-deep);
  color: var(--text-muted);
}

.footer-grid {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.footer-about p {
  margin: 6px 0 0 48px;
  color: var(--text-dim);
  font-size: 10px;
  line-height: 1.3;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--text);
  font-size: 11px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--cyan-bright);
}

.footer-links span {
  color: var(--text);
  font-size: 14px;
}

.site-footer .brand img {
  width: 32px;
  height: 32px;
}

.not-found {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 42px 0;
  background:
    radial-gradient(circle at 50% 36%, rgba(39, 215, 255, 0.1), transparent 30%),
    var(--bg);
  color: var(--text);
  text-align: center;
}

.not-found-inner {
  width: min(calc(100% - 36px), 620px);
}

.not-found .brand {
  justify-content: center;
}

.not-found .not-found-code {
  margin: 58px 0 10px;
  color: var(--cyan-bright);
  font-size: clamp(5rem, 18vw, 10rem);
  font-weight: 800;
  letter-spacing: -0.1em;
  line-height: 0.8;
}

.not-found h1 {
  margin: 28px 0 12px;
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: -0.06em;
}

.not-found p:not(.not-found-code) {
  max-width: 470px;
  margin: 0 auto 28px;
  color: var(--text-muted);
}

@media (hover: hover) {
  .problem-card,
  .workflow-step,
  .capability-card,
  .tool-chip {
    transition: border-color 180ms ease, background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
  }

  .problem-card:hover,
  .workflow-step:hover {
    border-color: var(--cyan-deep);
    transform: translateY(-2px);
  }

  .capability-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.16);
  }

  .tool-chip:hover {
    border-color: var(--cyan-deep);
    background: rgba(39, 215, 255, 0.05);
  }
}

body.js .primary-nav {
  display: flex;
}

body.no-js .nav-toggle {
  display: none;
}

body.no-js .primary-nav {
  display: flex;
}

body.js .primary-nav.is-open {
  display: flex;
}

@media (max-width: 1000px) {
  .container {
    width: min(calc(100% - 48px), var(--container));
  }

  .primary-nav {
    gap: 18px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(370px, 1.08fr);
    gap: 22px;
  }

  .hero-console {
    margin-right: -15px;
  }

  .workflow-rail {
    gap: 15px;
    padding-inline: 0;
  }

  .workflow-step:not(:last-child)::after {
    right: -16px;
    width: 16px;
  }
}

@media (max-width: 820px) {
  .nav-wrap {
    min-height: 68px;
  }

  body.js .nav-toggle {
    display: block;
  }

  body.js .primary-nav {
    position: absolute;
    top: 63px;
    right: 24px;
    left: 24px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 9px;
    border: 1px solid var(--line-bright);
    border-radius: 8px;
    background: var(--surface-raised);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.4);
  }

  body.js .primary-nav.is-open {
    display: flex;
  }

  body.no-js .primary-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px 16px;
    padding: 10px 0;
  }

  .primary-nav > a:not(.nav-github) {
    padding: 11px 12px;
  }

  body.js .primary-nav > a:not(.nav-github) {
    border-bottom: 1px solid var(--line);
  }

  .nav-github {
    justify-content: center;
    margin-top: 8px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    padding-top: 58px;
  }

  .hero-copy {
    max-width: 650px;
  }

  .hero-console {
    min-height: 460px;
    max-width: 660px;
    margin: 0 auto;
    width: 100%;
  }

  .problem-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .problem-card {
    min-height: 150px;
  }

  .workflow-rail {
    grid-template-columns: repeat(4, 1fr);
    row-gap: 28px;
  }

  .workflow-step:not(:last-child)::after {
    display: none;
  }

  .tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .quickstart-card {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .quickstart-copy p {
    max-width: 550px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .nav-wrap {
    min-height: 64px;
  }

  body.js .primary-nav {
    top: 59px;
    right: 18px;
    left: 18px;
  }

  body.no-js .primary-nav {
    justify-content: flex-start;
  }

  .hero-grid {
    min-height: auto;
    padding-top: 55px;
    padding-bottom: 55px;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 14vw, 4.4rem);
  }

  .hero-lede {
    font-size: 14px;
  }

  .hero-meta {
    line-height: 1.7;
  }

  .hero-console {
    min-height: 390px;
  }

  .manifest-panel {
    width: 86%;
  }

  .validation-panel {
    width: 86%;
  }

  .code-window {
    min-height: 219px;
    padding-top: 12px;
    font-size: 9px;
  }

  .code-line {
    grid-template-columns: 30px 1fr;
  }

  .line-number {
    padding-right: 7px;
  }

  .code-line code {
    padding-left: 9px;
  }

  .code-indent {
    padding-left: 17px !important;
  }

  .code-indent-double {
    padding-left: 29px !important;
  }

  .validation-list {
    padding-inline: 15px;
    font-size: 10px;
  }

  .handoff-ready {
    margin-inline: 15px;
    font-size: 16px;
  }

  .section {
    padding: 46px 0;
  }

  .section-frame {
    padding: 19px 13px 14px;
  }

  .workflow-rail {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px 12px;
  }

  .workflow-step {
    min-height: 145px;
  }

  .capability-card {
    min-height: 86px;
    padding: 13px;
  }

  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
    padding-inline: 0;
  }

  .tool-chip {
    font-size: 11px;
  }

  .quickstart-card {
    padding: 22px 17px;
  }

  .terminal-card pre {
    padding: 17px 14px;
    font-size: 10px;
  }

  .final-cta-inner {
    align-items: flex-start;
    gap: 15px;
  }

  .final-cta-inner > img {
    width: 44px;
    height: 44px;
  }

  .final-cta h2 {
    font-size: 1.75rem;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 17px 24px;
  }
}

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

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