:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --paper: #ffffff;
  --ink: #151712;
  --muted: #596156;
  --line: #d9ded2;
  --line-strong: #bbc5b5;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --accent-soft: #d9f3ee;
  --gold: #aa6b12;
  --gold-soft: #f7e8c9;
  --code-bg: #101410;
  --code-ink: #e8f0e5;
  --max: 1120px;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", ui-sans-serif,
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

.install-page {
  background: var(--bg);
  min-height: 100dvh;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--ink);
}

.site-header {
  background: rgba(247, 248, 245, 0.92);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
}

.nav {
  align-items: center;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max);
  padding: 14px 22px;
  width: 100%;
}

.brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  font-weight: 760;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: var(--ink);
  border-radius: 6px;
  color: #ffffff;
  display: inline-flex;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  height: 28px;
  justify-content: center;
  width: 28px;
}

.nav-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
  min-width: 0;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.button,
.button-secondary {
  align-items: center;
  border-radius: 7px;
  display: inline-flex;
  font-weight: 680;
  min-height: 42px;
  padding: 10px 14px;
  text-decoration: none;
}

.button {
  background: var(--accent);
  color: #ffffff;
}

.button:hover {
  background: var(--accent-strong);
  color: #ffffff;
}

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

.button-secondary:hover {
  border-color: var(--ink);
  color: var(--ink);
}

main {
  margin: 0 auto;
}

.hero,
.section,
.article,
.footer-inner {
  margin: 0 auto;
  max-width: var(--max);
  padding-left: 22px;
  padding-right: 22px;
  width: 100%;
}

.hero {
  display: grid;
  gap: 40px;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  min-height: 72vh;
  padding-bottom: 48px;
  padding-top: 70px;
}

.hero-copy {
  align-self: center;
  min-width: 0;
}

.eyebrow {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 780;
  letter-spacing: 0.08em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.08;
}

h1 {
  font-size: clamp(42px, 7vw, 78px);
  margin: 0 0 18px;
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin: 0 0 16px;
}

h3 {
  font-size: 19px;
  margin: 0 0 10px;
}

p {
  margin: 0 0 16px;
}

.lede {
  color: #354034;
  font-size: clamp(18px, 2vw, 22px);
  max-width: 650px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-visual {
  align-self: center;
  background: var(--code-bg);
  border: 1px solid #2b3329;
  border-radius: var(--radius);
  box-shadow: 0 24px 70px rgba(21, 23, 18, 0.18);
  color: var(--code-ink);
  min-height: 460px;
  min-width: 0;
  overflow: hidden;
  width: 100%;
}

.terminal-bar {
  align-items: center;
  background: #1d241d;
  border-bottom: 1px solid #2e392d;
  display: flex;
  gap: 8px;
  height: 42px;
  padding: 0 14px;
}

.dot {
  border-radius: 999px;
  height: 10px;
  width: 10px;
}

.dot-red {
  background: #de6b5e;
}

.dot-gold {
  background: #d79a24;
}

.dot-green {
  background: #2faa71;
}

.terminal-title {
  color: #b6c3b1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  margin-left: 8px;
}

.terminal-body {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  overflow-x: auto;
  padding: 22px;
}

.prompt {
  color: #8bdccf;
}

.terminal-table {
  border: 1px solid #53614f;
  border-collapse: collapse;
  table-layout: fixed;
  margin: 18px 0;
  width: 100%;
}

.terminal-table th,
.terminal-table td {
  border: 1px solid #53614f;
  overflow-wrap: anywhere;
  padding: 9px;
  text-align: left;
  vertical-align: top;
}

.terminal-table th {
  color: #c8d6c5;
  font-weight: 700;
}

.terminal-note {
  color: #adbaaa;
}

.ok {
  color: #58d28f;
}

.warn {
  color: #f2c15f;
}

.stats {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  max-width: var(--max);
  padding: 0 22px;
}

.stat {
  padding: 24px 0;
}

.stat strong {
  display: block;
  font-size: 22px;
}

.stat span {
  color: var(--muted);
  display: block;
  font-size: 14px;
  margin-top: 4px;
}

.band {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.section {
  padding-bottom: 76px;
  padding-top: 76px;
}

.section-intro {
  color: var(--muted);
  font-size: 18px;
  max-width: 760px;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 32px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.band .card {
  background: #fbfcf9;
}

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

.split {
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.callout {
  background: var(--gold-soft);
  border: 1px solid #e2bd78;
  border-radius: var(--radius);
  color: #4d3410;
  padding: 22px;
}

.comparison-table {
  border-collapse: collapse;
  margin: 28px 0;
  width: 100%;
}

.comparison-table th,
.comparison-table td {
  border: 1px solid var(--line-strong);
  padding: 14px;
  text-align: left;
  vertical-align: top;
}

.comparison-table th {
  background: #eef2ea;
}

.article {
  display: grid;
  gap: 38px;
  grid-template-columns: minmax(0, 740px) 260px;
  padding-bottom: 82px;
  padding-top: 58px;
}

.article-body {
  min-width: 0;
}

.article-body h1 {
  font-size: clamp(38px, 6vw, 64px);
}

.article-body h2 {
  font-size: clamp(25px, 3vw, 34px);
  margin-top: 46px;
}

.article-body p,
.article-body li {
  color: #3d453b;
  font-size: 18px;
}

.article-body ul,
.article-body ol {
  padding-left: 22px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

.toc {
  align-self: start;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  padding-left: 18px;
  position: sticky;
  top: 86px;
}

.toc a {
  color: var(--muted);
  display: block;
  font-size: 14px;
  margin: 8px 0;
  text-decoration: none;
}

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

.code-block {
  background: var(--code-bg);
  border-radius: var(--radius);
  color: var(--code-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  overflow-x: auto;
  padding: 18px;
}

.link-list {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.link-list a {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  display: block;
  padding: 16px;
  text-decoration: none;
}

.link-list a:hover {
  border-color: var(--accent);
}

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

.footer-inner {
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  padding-bottom: 28px;
  padding-top: 28px;
}

.footer-inner a {
  color: var(--muted);
}

/* Agent-guided install page */

.install-hero {
  gap: 34px;
  grid-template-columns: minmax(0, 0.78fr) minmax(440px, 1.22fr);
  min-height: auto;
  padding-bottom: 62px;
  padding-top: 58px;
}

.install-hero h1 {
  font-size: clamp(38px, 4.6vw, 52px);
  max-width: none;
}

.zh-page .install-hero h1 {
  font-size: clamp(36px, 4.3vw, 48px);
  max-width: none;
}

.install-page .lede {
  font-size: clamp(17px, 1.8vw, 20px);
  max-width: 34rem;
}

.install-page [id] {
  scroll-margin-top: 92px;
}

.install-qualifiers {
  border-left: 3px solid var(--accent);
  display: grid;
  gap: 13px;
  margin-top: 28px;
  padding-left: 18px;
}

.install-qualifiers p {
  margin: 0;
}

.install-qualifiers strong,
.install-qualifiers span {
  display: block;
}

.install-qualifiers span {
  color: var(--muted);
  font-size: 14px;
  margin-top: 2px;
}

.install-prompt-panel {
  align-self: center;
  background: var(--code-bg);
  border: 1px solid #2b3329;
  border-radius: var(--radius);
  box-shadow: 0 24px 70px rgba(21, 23, 18, 0.18);
  color: var(--code-ink);
  min-width: 0;
  overflow: hidden;
}

.install-prompt-bar {
  height: auto;
  min-height: 48px;
}

.copy-button {
  background: var(--accent-soft);
  border: 1px solid #8fcfc4;
  border-radius: 6px;
  color: #073f3b;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 760;
  margin-left: auto;
  min-height: 34px;
  padding: 7px 11px;
}

.copy-button:hover {
  background: #eefbf8;
  border-color: #c7eee7;
}

.copy-button:active {
  transform: translateY(1px);
}

.prompt-label {
  color: #b6c3b1;
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  padding: 15px 18px 0;
}

.setup-prompt-text {
  background: transparent;
  border: 0;
  color: var(--code-ink);
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  min-height: 570px;
  padding: 12px 18px 18px;
  resize: vertical;
  width: 100%;
}

.prompt-footer {
  align-items: center;
  border-top: 1px solid #2e392d;
  color: #8f9d8c;
  display: flex;
  flex-wrap: wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  gap: 10px 18px;
  justify-content: space-between;
  min-height: 52px;
  padding: 10px 18px;
}

.copy-status {
  color: #b8c8b4;
  margin: 0;
}

.install-steps {
  border-bottom: 1px solid var(--line-strong);
  border-top: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
}

.install-steps li {
  border-right: 1px solid var(--line);
  min-width: 0;
  padding: 24px 22px 26px;
}

.install-steps li:first-child {
  padding-left: 0;
}

.install-steps li:last-child {
  border-right: 0;
  padding-right: 0;
}

.install-steps h3 {
  font-size: 20px;
  margin: 10px 0 8px;
}

.install-steps p {
  color: var(--muted);
  margin: 0;
}

.step-index {
  color: var(--accent-strong);
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 800;
}

.install-callout {
  display: grid;
  gap: 5px;
}

.install-callout span {
  display: block;
}

.fit-layout {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  margin-top: 34px;
}

.fit-primary {
  border-top: 3px solid var(--accent);
  min-width: 0;
  padding-top: 20px;
}

.fit-label {
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 8px;
}

.fit-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 14px;
}

.fit-item {
  border-bottom: 1px solid var(--line);
  padding: 24px 24px 24px 0;
}

.fit-item:nth-child(even) {
  border-left: 1px solid var(--line);
  padding-left: 24px;
  padding-right: 0;
}

.fit-item p,
.fit-panel p,
.workflow-steps p,
.faq-list p {
  color: var(--muted);
}

.fit-item p,
.fit-panel p {
  margin-bottom: 0;
}

.fit-sidebar {
  align-content: start;
  display: grid;
  gap: 18px;
}

.fit-panel {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 22px;
}

.fit-panel p + p {
  margin-top: 14px;
}

.fit-conditional {
  background: var(--accent-soft);
  border-color: #9ed8ce;
}

.fit-manual {
  border-left: 4px solid var(--ink);
}

.fit-check {
  align-items: start;
  background: var(--paper);
  border-left: 3px solid var(--accent);
  display: grid;
  gap: 5px;
  margin-top: 28px;
  padding: 18px 20px;
}

.fit-check span {
  color: var(--muted);
}

.workflow-steps {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
}

.workflow-steps li {
  border-top: 3px solid var(--accent);
  padding: 18px 4px 0 0;
}

.workflow-step-name {
  display: block;
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 9px;
}

.workflow-steps code {
  background: var(--accent-soft);
  border-radius: 4px;
  color: var(--accent-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  padding: 2px 5px;
}

.workflow-callout,
.install-requirements .install-callout {
  margin-top: 30px;
}

.install-faq {
  padding-top: 24px;
}

.faq-list {
  border-top: 1px solid var(--line-strong);
  margin-top: 28px;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 0;
}

.faq-list summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 760;
  list-style-position: outside;
  padding: 20px 28px 20px 4px;
}

.faq-list details[open] summary {
  color: var(--accent-strong);
}

.faq-list p {
  max-width: 720px;
  padding: 0 4px 20px;
}

.zh-page .setup-prompt-text,
.zh-page .prompt-footer,
.zh-page .prompt-label {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", ui-sans-serif,
    system-ui, sans-serif;
}

.zh-page .setup-prompt-text {
  line-height: 1.75;
}

.install-requirements .split {
  margin-top: 30px;
}

.requirement-list {
  margin: 0;
  padding-left: 22px;
}

.requirement-list li {
  color: var(--muted);
  margin-bottom: 10px;
}

.install-page a:focus-visible,
.install-page button:focus-visible,
.install-page textarea:focus-visible {
  outline: 3px solid #d79a24;
  outline-offset: 3px;
}

@media (max-width: 880px) {
  .hero,
  .split,
  .article {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 46px;
  }

  .hero-visual {
    min-height: 0;
  }

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

  .toc {
    border-left: 0;
    border-top: 3px solid var(--accent);
    padding-left: 0;
    padding-top: 12px;
    position: static;
  }

  .install-hero {
    grid-template-columns: 1fr;
  }

  .fit-layout {
    grid-template-columns: 1fr;
  }

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

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

  .install-steps li:nth-child(2) {
    border-right: 0;
    padding-right: 0;
  }

  .install-steps li:nth-child(3) {
    border-top: 1px solid var(--line);
    padding-left: 0;
  }

  .install-steps li:nth-child(4) {
    border-top: 1px solid var(--line);
  }
}

@media (min-width: 881px) {
  .install-page .nav,
  .install-page .nav-links {
    flex-wrap: nowrap;
  }
}

@media (max-width: 620px) {
  body {
    overflow-x: hidden;
  }

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

  .nav-links {
    justify-content: flex-start;
  }

  .terminal-body {
    font-size: 12px;
    padding: 16px;
  }

  .hero-copy,
  .hero-actions,
  .hero-visual,
  .lede {
    max-width: calc(100vw - 44px);
  }

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

  .hero-actions .button,
  .hero-actions .button-secondary {
    justify-content: center;
    width: 100%;
  }

  .comparison-table {
    display: block;
    overflow-x: auto;
  }

  .install-prompt-bar {
    align-items: flex-start;
    flex-wrap: wrap;
    padding-bottom: 10px;
    padding-top: 10px;
  }

  .install-prompt-bar .terminal-title {
    margin-right: auto;
  }

  .copy-button {
    flex-basis: 100%;
    margin-left: 0;
    width: 100%;
  }

  .setup-prompt-text {
    min-height: 460px;
  }

  .install-hero h1,
  .zh-page .install-hero h1 {
    max-width: none;
  }

  .fit-list,
  .workflow-steps,
  .install-steps {
    grid-template-columns: 1fr;
  }

  .install-steps li,
  .install-steps li:first-child,
  .install-steps li:nth-child(2),
  .install-steps li:nth-child(3),
  .install-steps li:nth-child(4),
  .install-steps li:last-child {
    border-right: 0;
    border-top: 1px solid var(--line);
    padding: 22px 0;
  }

  .install-steps li:first-child {
    border-top: 0;
  }

  .fit-item,
  .fit-item:nth-child(even) {
    border-left: 0;
    padding-left: 0;
    padding-right: 0;
  }
}

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

@media (prefers-color-scheme: dark) {
  html.install-document {
    --bg: #111511;
    --paper: #171c17;
    --ink: #edf2ea;
    --muted: #aeb8aa;
    --line: #303830;
    --line-strong: #485246;
    --accent: #247e72;
    --accent-strong: #78d5c7;
    --accent-soft: #173d37;
    --gold-soft: #3a2d18;
    --code-bg: #090d09;
    --code-ink: #e8f0e5;
    background: var(--bg);
    color-scheme: dark;
  }

  .install-document .site-header {
    background: rgba(17, 21, 17, 0.92);
  }

  .install-document .brand-mark {
    background: #dce6d9;
    color: #101510;
  }

  .install-document .button-secondary {
    background: #1d241d;
    border-color: var(--line-strong);
    color: var(--ink);
  }

  .install-document .button-secondary:hover {
    border-color: var(--ink);
    color: var(--ink);
  }

  .install-document .lede {
    color: #cad3c7;
  }

  .install-document .copy-button {
    background: #d9f3ee;
    border-color: #8fcfc4;
    color: #073f3b;
  }

  .install-document .copy-button:hover {
    background: #eefbf8;
    border-color: #c7eee7;
  }

  .install-document .fit-conditional {
    background: var(--accent-soft);
    border-color: #2b756b;
  }

  .install-document .callout {
    border-color: #856b34;
    color: #f0ddb2;
  }
}

/* Conversion-first landing pages */

html.landing-document {
  --bg: #faf9f5;
  --paper: #f6f6f4;
  --ink: #141413;
  --muted: #52514e;
  --line: #e8e6dc;
  --line-strong: #b0aea5;
  --accent: #d97757;
  --accent-strong: #9c4a21;
  --accent-soft: #e3dacc;
  --accent-ink: #141413;
  --focus-ring: #9c4a21;
  background: var(--bg);
  color-scheme: light;
}

.landing-page {
  background: var(--bg);
  color: var(--ink);
  font-family:
    "Segoe UI Variable", "Noto Sans SC", "PingFang SC", "Microsoft YaHei",
    ui-sans-serif, system-ui, sans-serif;
  min-height: 100dvh;
}

.landing-fold {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) 76px;
  min-height: 100svh;
  min-height: 100dvh;
  overflow: clip;
}

.landing-header {
  background: rgba(250, 249, 245, 0.94);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-bottom-color: var(--line);
  position: relative;
  top: auto;
  backdrop-filter: blur(12px);
}

.landing-nav {
  flex-flow: row nowrap;
  max-width: 1240px;
  min-height: 64px;
  padding: 12px 24px;
}

.landing-nav-links {
  flex-wrap: nowrap;
}

.landing-header .button-secondary {
  background: var(--paper);
  border-color: var(--line-strong);
  color: var(--ink);
}

.landing-header .brand-mark {
  background: var(--ink);
  color: var(--bg);
}

.landing-main {
  display: grid;
  min-height: 0;
}

.landing-hero {
  align-items: center;
  display: grid;
  gap: clamp(42px, 4.5vw, 72px);
  grid-template-columns: minmax(0, 0.78fr) minmax(700px, 1.22fr);
  margin: 0 auto;
  max-width: 1380px;
  min-height: 0;
  padding: clamp(28px, 5vh, 54px) 24px;
  width: 100%;
}

.landing-hero-copy {
  min-width: 0;
}

.landing-hero h1 {
  font-size: clamp(58px, 7.2vw, 96px);
  font-weight: 850;
  letter-spacing: -0.065em;
  line-height: 0.94;
  margin: 0;
  max-width: 760px;
  text-wrap: balance;
}

.zh-page .landing-hero h1 {
  align-items: center;
  display: inline-flex;
  gap: 0.16em;
  letter-spacing: 0;
  max-width: none;
  text-wrap: nowrap;
  white-space: nowrap;
}

.zh-hero-emphasis {
  font-size: 1em;
  font-weight: 900;
  letter-spacing: -0.08em;
}

.zh-hero-tail {
  font-size: 0.48em;
  font-weight: 800;
  letter-spacing: -0.055em;
}

.landing-lede {
  color: var(--muted);
  font-size: clamp(18px, 1.8vw, 22px);
  line-height: 1.48;
  margin: 22px 0 0;
  max-width: 650px;
}

.landing-prompt-card {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  margin-top: 24px;
  max-width: 650px;
  overflow: hidden;
}

.landing-prompt-heading {
  align-items: center;
  display: flex;
  font-size: 13px;
  font-weight: 760;
  gap: 16px;
  justify-content: space-between;
  padding: 11px 14px;
}

.landing-prompt-toggle {
  background: transparent;
  border: 0;
  color: var(--accent-strong);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 780;
  padding: 4px 0;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.landing-prompt-preview {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 1.55;
  margin: 0;
  max-height: 72px;
  overflow: hidden;
  overflow-wrap: anywhere;
  padding: 10px 14px;
  white-space: pre-wrap;
  word-break: break-word;
  -webkit-mask-image: linear-gradient(to bottom, #000 68%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 68%, transparent 100%);
}

.landing-prompt-preview.is-expanded {
  max-height: min(38vh, 420px);
  overflow: auto;
  -webkit-mask-image: none;
  mask-image: none;
}

.landing-prompt-actions {
  align-items: center;
  display: flex;
  gap: 14px;
  min-height: 62px;
  padding: 8px 10px;
}

.landing-copy-button {
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 12px;
  color: var(--bg);
  cursor: pointer;
  font: inherit;
  font-size: 16px;
  font-weight: 760;
  margin-top: 0;
  min-height: 44px;
  padding: 10px 16px;
  transition: background-color 180ms ease, border-color 180ms ease, transform 120ms ease;
  white-space: nowrap;
}

.landing-copy-button:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.landing-copy-button:active {
  transform: translateY(1px);
}

.landing-copy-button:focus-visible,
.landing-prompt-toggle:focus-visible,
.landing-prompt-preview:focus-visible,
.landing-page a:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.landing-copy-status {
  color: var(--accent-strong);
  flex: 1;
  font-size: 12px;
  margin: 0;
  min-width: 0;
}

.landing-loop {
  --loop-cycle: 10s;
  --bg: #faf9f5;
  --paper: #f6f6f4;
  --ink: #141413;
  --muted: #52514e;
  --line: #e8e6dc;
  --line-strong: #b0aea5;
  --accent: #d97757;
  --accent-strong: #9c4a21;
  --accent-soft: #e3dacc;
  --accent-ink: #141413;
  align-self: center;
  container-name: home-loop;
  container-type: inline-size;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto 108px auto;
  isolation: isolate;
  min-height: 0;
  min-width: 0;
  position: relative;
  row-gap: 0;
  width: 100%;
}

.landing-loop::before {
  background: var(--bg);
  border-radius: 22px;
  content: "";
  inset: -14px;
  position: absolute;
  z-index: -1;
}

.loop-label {
  color: var(--muted);
  font-size: 16px;
  font-weight: 760;
  letter-spacing: 0.01em;
  line-height: 1.25;
  margin: 0;
}

.loop-before {
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
}

.loop-manual-title {
  white-space: nowrap;
}

.loop-manual-list {
  background: color-mix(in srgb, var(--paper) 72%, transparent);
  border: 1px solid var(--line);
  border-radius: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  min-height: 68px;
  min-width: 0;
  overflow: hidden;
  padding: 0;
}

.loop-manual-list li {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 16px;
  font-weight: 700;
  justify-content: center;
  line-height: 1.15;
  min-width: 0;
  padding: 12px 10px;
  text-align: center;
}

.loop-manual-list li + li {
  border-left: 1px solid var(--line);
}

.loop-transition {
  align-self: center;
  align-items: center;
  display: grid;
  gap: 8px;
  grid-template-columns: 38px;
  grid-template-rows: 34px 24px 34px;
  height: 108px;
  justify-content: center;
  justify-self: center;
  position: relative;
  width: 38px;
}

.loop-transition-count,
.loop-transition-arrow {
  align-items: center;
  display: flex;
  justify-content: center;
  line-height: 1;
  position: relative;
  z-index: 1;
}

.loop-transition-count {
  background: var(--paper);
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  color: var(--muted);
  font-size: 15px;
  font-weight: 820;
  height: 34px;
  width: 34px;
}

.loop-transition-arrow {
  color: var(--accent-strong);
  font-size: 24px;
  font-weight: 860;
  padding: 0;
}

.loop-transition-one {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.loop-after {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.loop-automation-title {
  color: var(--ink);
  display: block;
  font-size: clamp(40px, 3.05vw, 46px);
  letter-spacing: -0.05em;
  line-height: 0.95;
  min-width: 0;
  text-align: center;
}

.loop-automation-title > span {
  color: var(--accent-strong);
}

.loop-skill-frame {
  --skill-surface: color-mix(in srgb, var(--accent-soft) 28%, var(--paper));
  background: var(--skill-surface);
  border: 2px solid var(--accent);
  border-radius: 16px;
  display: grid;
  grid-template-columns: minmax(245px, 0.78fr) minmax(0, 1.62fr);
  min-height: 252px;
  overflow: hidden;
  position: relative;
}

.loop-skill-header {
  align-items: flex-start;
  background: var(--accent);
  color: var(--accent-ink);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 28px;
  position: relative;
  z-index: 2;
}

.loop-skill-header::after {
  background: var(--accent);
  border: 4px solid var(--skill-surface);
  border-radius: 50%;
  content: "";
  height: 18px;
  position: absolute;
  right: -9px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
}

.loop-skill-kind {
  color: var(--accent-ink);
  font-size: 11px;
  font-weight: 790;
  letter-spacing: 0.06em;
  line-height: 1.15;
  opacity: 0.82;
  text-transform: uppercase;
}

.loop-skill-name {
  color: var(--accent-ink);
  font-size: clamp(38px, 3vw, 46px);
  font-weight: 860;
  letter-spacing: -0.055em;
  line-height: 0.94;
  margin-top: 10px;
}

.loop-automation-flow {
  align-items: center;
  display: flex;
  min-width: 0;
  padding: 30px 26px 24px 34px;
  position: relative;
}

.loop-automation-kicker {
  border-top: 1px solid color-mix(in srgb, var(--accent-ink) 34%, transparent);
  color: var(--accent-ink);
  font-size: 11px;
  font-weight: 820;
  letter-spacing: 0.08em;
  line-height: 1;
  margin-top: 20px;
  opacity: 0.88;
  padding-top: 12px;
  text-transform: uppercase;
  width: 100%;
}

.loop-automation-rail {
  background: var(--line-strong);
  display: block;
  height: 2px;
  left: 0;
  position: absolute;
  right: 12.5%;
  top: calc(50% - 23px);
  z-index: 0;
}

.loop-automation-pulse {
  background: var(--accent);
  display: block;
  height: 100%;
  opacity: 0.9;
  transform: scaleX(1);
  transform-origin: left;
  width: 100%;
}

.loop-auto-list {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  height: auto;
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  width: 100%;
  z-index: 1;
}

.loop-auto-list li {
  align-items: center;
  color: var(--ink);
  display: grid;
  font-size: 16px;
  font-weight: 760;
  gap: 13px;
  grid-template-rows: 38px auto;
  justify-items: center;
  line-height: 1.2;
  min-width: 0;
  padding: 0 3px;
  text-align: center;
}

.loop-step-check {
  align-items: center;
  background: var(--accent);
  border: 4px solid var(--skill-surface);
  border-radius: 50%;
  color: var(--accent-ink);
  display: flex;
  font-size: 12px;
  font-weight: 900;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.loop-step-check::after {
  content: "✓";
}

@container home-loop (max-width: 699px) {
  .loop-before {
    align-items: stretch;
    gap: 8px;
    grid-template-columns: minmax(0, 1fr);
  }

  .loop-manual-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .loop-manual-list li:nth-child(3) {
    border-left: 0;
  }

  .loop-manual-list li:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .loop-automation-title > span {
    display: block;
  }

  .loop-skill-frame {
    grid-template-columns: minmax(0, 1fr);
  }

  .loop-skill-header {
    min-height: 126px;
    padding: 24px;
  }

  .loop-skill-header::after {
    bottom: -9px;
    left: 27px;
    right: auto;
    top: auto;
    transform: none;
  }

  .loop-automation-flow {
    align-items: stretch;
    min-height: 286px;
    padding: 26px 20px 24px;
  }

  .loop-automation-rail {
    bottom: 48px;
    height: auto;
    left: 35px;
    right: auto;
    top: 0;
    width: 2px;
  }

  .loop-automation-pulse {
    height: 100%;
    transform: scaleY(1);
    transform-origin: top;
    width: 100%;
  }

  .loop-auto-list {
    gap: 12px;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(4, minmax(50px, 1fr));
  }

  .loop-auto-list li {
    gap: 12px;
    grid-template-columns: 42px minmax(0, 1fr);
    grid-template-rows: auto;
    justify-items: start;
    padding: 0;
    text-align: left;
  }
}

@container home-loop (max-width: 440px) {
  .loop-manual-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .loop-manual-list li + li {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

.how-it-works-tease {
  align-items: center;
  border-top: 1px solid var(--line-strong);
  color: var(--ink);
  display: flex;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 820;
  justify-content: flex-start;
  letter-spacing: -0.035em;
  min-height: 76px;
  padding: 0 max(24px, calc((100vw - 1192px) / 2));
  text-decoration: none;
  text-transform: uppercase;
}

.how-it-works-tease:hover {
  color: var(--accent-strong);
}

.skill-explainer {
  margin: 0 auto;
  max-width: 1240px;
  padding: clamp(88px, 10vw, 136px) 24px clamp(96px, 12vw, 160px);
  width: 100%;
}

.skill-explainer-heading {
  max-width: 820px;
}

.skill-explainer-heading h2 {
  font-size: clamp(40px, 5.4vw, 68px);
  letter-spacing: -0.055em;
  margin: 0;
  text-wrap: balance;
}

.skill-explainer-heading p {
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  margin: 24px 0 0;
  max-width: 720px;
}

.skill-explainer-scenes {
  margin-top: clamp(72px, 8vw, 108px);
}

.skill-explainer-scene {
  align-items: center;
  border-top: 1px solid var(--line-strong);
  display: grid;
  gap: clamp(48px, 7vw, 100px);
  grid-template-columns: minmax(260px, 0.68fr) minmax(0, 1.32fr);
  padding: clamp(64px, 8vw, 104px) 0;
}

.skill-explainer-copy {
  max-width: 400px;
}

.skill-explainer-label {
  color: var(--accent-strong);
  display: block;
  font-size: 15px;
  font-weight: 780;
  margin-bottom: 16px;
}

.skill-explainer-copy h3 {
  font-size: clamp(30px, 3.4vw, 46px);
  letter-spacing: -0.045em;
  margin: 0;
  text-wrap: balance;
}

.skill-explainer-copy p {
  color: var(--muted);
  font-size: 17px;
  margin: 18px 0 0;
}

.skill-definition-figure,
.router-story-figure {
  margin: 0;
  min-width: 0;
}

.skill-story-card {
  background: color-mix(in srgb, var(--accent-soft) 24%, var(--paper));
  border: 2px solid var(--accent);
  border-radius: 18px;
  box-shadow: 0 24px 60px color-mix(in srgb, var(--accent-strong) 12%, transparent);
  min-width: 0;
  overflow: hidden;
}

.skill-story-card-expanded {
  margin-left: auto;
  max-width: 640px;
}

.skill-story-card-header {
  align-items: center;
  background: var(--accent);
  color: var(--accent-ink);
  display: flex;
  gap: 22px;
  justify-content: space-between;
  min-height: 88px;
  padding: 20px 24px;
}

.skill-story-card-header > div {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.skill-story-card-kind {
  font-size: 11px;
  font-weight: 810;
  letter-spacing: 0.07em;
  line-height: 1;
  text-transform: uppercase;
}

.skill-story-card-name {
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.skill-story-auto {
  border-left: 1px solid color-mix(in srgb, var(--accent-ink) 32%, transparent);
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 820;
  letter-spacing: 0.06em;
  line-height: 1.2;
  max-width: 112px;
  padding-left: 18px;
  text-transform: uppercase;
}

.skill-story-steps {
  list-style: none;
  margin: 0;
  padding: 8px 24px 14px;
}

.skill-story-steps li {
  align-items: center;
  display: grid;
  gap: 14px;
  grid-template-columns: 34px minmax(72px, 0.34fr) minmax(0, 1fr);
  min-height: 62px;
  padding: 10px 0;
}

.skill-story-steps li + li {
  border-top: 1px solid color-mix(in srgb, var(--line-strong) 66%, transparent);
}

.skill-story-step-number {
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--accent-strong);
  display: flex;
  font-size: 13px;
  font-weight: 820;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.skill-story-steps strong {
  font-size: 16px;
}

.skill-story-steps li > span:last-child {
  color: var(--muted);
  font-size: 15px;
}

.skill-explainer-bridge {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 13px;
  font-weight: 720;
  gap: 16px;
  margin: -10px 0;
  padding-left: calc(34% + 18px);
}

.skill-explainer-bridge::before,
.skill-explainer-bridge::after {
  background: var(--line-strong);
  content: "";
  height: 1px;
}

.skill-explainer-bridge::before {
  flex: 0 0 36px;
}

.skill-explainer-bridge::after {
  flex: 1;
}

.router-story-frame {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  min-width: 0;
  padding: clamp(22px, 3vw, 34px);
}

.router-story-heading {
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding-bottom: 20px;
}

.router-story-kind,
.router-story-column-label {
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.router-story-heading strong {
  font-size: 16px;
  text-align: right;
}

.router-story-map {
  align-items: center;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(170px, 0.72fr) minmax(58px, 0.28fr) minmax(285px, 1.35fr);
  min-height: 380px;
  padding-top: 28px;
}

.router-story-inputs ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.router-story-inputs li {
  border-bottom: 1px solid var(--line);
  padding: 0;
  transition: border-color 220ms ease;
}

.router-story-inputs button {
  appearance: none;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  display: grid;
  font: inherit;
  gap: 4px;
  padding: 12px 0;
  text-align: left;
  width: 100%;
}

.router-story-inputs button:focus-visible {
  border-radius: 6px;
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.router-story-inputs button strong {
  font-size: 13px;
  line-height: 1.25;
  transition: color 220ms ease;
}

.router-story-inputs button span {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.router-story-inputs button:hover strong {
  color: var(--accent-strong);
}

.router-story-inputs li[data-router-selected-assignment] {
  border-bottom-color: var(--accent);
}

.router-story-inputs li[data-router-selected-assignment] strong {
  color: var(--accent-strong);
}

.router-story-route {
  background: var(--line-strong);
  height: 2px;
  position: relative;
  transform: translateY(var(--router-route-offset, 0px));
  transition: transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
}

.router-story-route::before {
  border-bottom: 5px solid transparent;
  border-left: 8px solid var(--accent);
  border-top: 5px solid transparent;
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  transform: translateY(-50%);
}

.router-story-route::after {
  background: var(--accent);
  content: "";
  inset: 0;
  opacity: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
}

.router-story-route span {
  color: var(--accent-strong);
  font-size: 10px;
  font-weight: 820;
  left: 50%;
  letter-spacing: 0.08em;
  position: absolute;
  text-transform: uppercase;
  top: -25px;
  transform: translateX(-50%);
  white-space: nowrap;
}

.router-story-destinations {
  min-width: 0;
}

.router-story-panels {
  display: grid;
  isolation: isolate;
  min-width: 0;
}

.router-story-panel {
  grid-area: 1 / 1;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px) scale(0.985);
  transition:
    opacity 360ms ease,
    transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 0;
}

.router-story-panel.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  z-index: 1;
}

@keyframes router-skill-step-in {
  from {
    opacity: 0;
    transform: translateX(10px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .router-story-panel [data-router-skill-step] {
    opacity: 0;
    transform: translateX(10px);
  }

  .router-story-panel.is-active [data-router-skill-step] {
    animation: router-skill-step-in 360ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .router-story-panel.is-active [data-router-skill-step]:nth-child(2) {
    animation-delay: 55ms;
  }

  .router-story-panel.is-active [data-router-skill-step]:nth-child(3) {
    animation-delay: 110ms;
  }

  .router-story-panel.is-active [data-router-skill-step]:nth-child(4) {
    animation-delay: 165ms;
  }

  .router-story-panel.is-active [data-router-skill-step]:nth-child(5) {
    animation-delay: 220ms;
  }
}

.skill-story-card-compact {
  box-shadow: 0 16px 40px color-mix(in srgb, var(--accent-strong) 10%, transparent);
}

.skill-story-card-compact .skill-story-card-header {
  min-height: 74px;
  padding: 16px 18px;
}

.skill-story-card-compact .skill-story-card-kind {
  font-size: 9px;
}

.skill-story-card-compact .skill-story-card-name {
  font-size: 19px;
}

.skill-story-card-compact .skill-story-auto {
  font-size: 9px;
  max-width: 74px;
  padding-left: 12px;
}

.router-skill-steps {
  list-style: none;
  margin: 0;
  padding: 7px 18px 11px;
}

.router-skill-steps li {
  align-items: center;
  display: grid;
  gap: 8px;
  grid-template-columns: 24px minmax(52px, 0.42fr) minmax(0, 1fr);
  min-height: 42px;
  padding: 6px 0;
}

.router-skill-steps li + li {
  border-top: 1px solid color-mix(in srgb, var(--line-strong) 64%, transparent);
}

.router-skill-step-number {
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--accent-strong);
  display: flex;
  font-size: 10px;
  font-weight: 820;
  height: 22px;
  justify-content: center;
  width: 22px;
}

.router-skill-steps strong {
  font-size: 12px;
}

.router-skill-steps li > span:last-child {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.3;
}

.skill-explainer-boundary {
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 17px;
  margin: 0;
  padding-top: 26px;
}

.skill-explainer-boundary strong {
  color: var(--ink);
}

@media (prefers-reduced-motion: no-preference) {
  .router-story-frame.is-routing .router-story-route::after {
    animation: router-story-route 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }
}

@keyframes router-story-route {
  0%,
  12% {
    opacity: 0;
    transform: scaleX(0);
  }

  20% {
    opacity: 1;
    transform: scaleX(0);
  }

  72%,
  86% {
    opacity: 1;
    transform: scaleX(1);
  }

  100% {
    opacity: 0;
    transform: scaleX(1);
  }
}

.video-series,
.landing-fit {
  margin: 0 auto;
  max-width: 1240px;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}

.video-series {
  padding-bottom: clamp(96px, 12vw, 160px);
  padding-top: clamp(64px, 8vw, 112px);
}

.video-grid {
  display: grid;
  gap: 64px 24px;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.video-entry {
  min-width: 0;
}

.video-entry-quiz,
.video-entry-wide {
  grid-column: 1 / -1;
}

.video-placeholder {
  aspect-ratio: 16 / 9;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  width: 100%;
}

.video-entry:not(.video-entry-quiz):not(.video-entry-wide) .video-placeholder {
  aspect-ratio: 4 / 3;
}

.video-caption {
  align-items: baseline;
  display: grid;
  gap: 8px 24px;
  grid-template-columns: minmax(140px, 0.36fr) minmax(0, 0.64fr);
  padding-top: 18px;
}

.video-caption h3 {
  font-size: clamp(22px, 2.4vw, 32px);
  letter-spacing: -0.035em;
  margin: 0;
}

.video-caption p {
  color: var(--muted);
  margin: 0;
}

.landing-fit {
  border-top: 1px solid var(--line-strong);
  display: grid;
  gap: clamp(48px, 8vw, 112px);
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  padding-bottom: clamp(88px, 10vw, 136px);
  padding-top: clamp(76px, 9vw, 120px);
}

.landing-fit-heading h2 {
  font-size: clamp(34px, 4.4vw, 58px);
  letter-spacing: -0.05em;
  margin: 0;
}

.landing-fit-heading p {
  color: var(--muted);
  font-size: 18px;
  margin: 22px 0 0;
  max-width: 580px;
}

.landing-fit-columns {
  display: grid;
  gap: 42px;
}

.landing-fit-columns > div {
  border-top: 3px solid var(--accent);
  padding-top: 18px;
}

.landing-fit-columns > div:last-child {
  border-top-color: var(--ink);
}

.landing-fit-columns h3 {
  font-size: 24px;
  margin: 0 0 10px;
}

.landing-fit-columns p {
  color: var(--muted);
  font-size: 17px;
  margin-bottom: 12px;
}

.landing-fit-columns a {
  font-weight: 720;
}

.landing-footer {
  border-top-color: var(--line-strong);
}

.visually-hidden {
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

@media (prefers-reduced-motion: no-preference) {
  .landing-hero-copy {
    animation: landing-rise 620ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .landing-loop {
    animation: landing-rise 680ms 100ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .loop-transition-count:first-child {
    animation: loop-many-to-one var(--loop-cycle) linear infinite;
  }

  .loop-transition-arrow {
    animation: loop-transition-arrow var(--loop-cycle) linear infinite;
  }

  .loop-transition-one {
    animation: loop-transition-one var(--loop-cycle) linear infinite;
  }

  .loop-automation-pulse {
    animation: loop-rail-fill-x var(--loop-cycle) linear infinite;
  }

  .loop-auto-list li:nth-child(1) {
    animation: loop-step-one var(--loop-cycle) linear infinite;
  }

  .loop-auto-list li:nth-child(2) {
    animation: loop-step-two var(--loop-cycle) linear infinite;
  }

  .loop-auto-list li:nth-child(3) {
    animation: loop-step-three var(--loop-cycle) linear infinite;
  }

  .loop-auto-list li:nth-child(4) {
    animation: loop-step-four var(--loop-cycle) linear infinite;
  }
}

@media (prefers-reduced-motion: no-preference) {
  @container home-loop (max-width: 699px) {
    .loop-automation-pulse {
      animation-name: loop-rail-fill-y;
    }
  }
}

@keyframes landing-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes loop-many-to-one {
  0%,
  7% {
    opacity: 1;
    transform: scale(1);
  }

  13%,
  94% {
    opacity: 0.66;
    transform: scale(0.86);
  }

  94.01%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes loop-transition-arrow {
  0%,
  7% {
    opacity: 0.32;
    transform: translateY(-5px);
  }

  13%,
  94% {
    opacity: 1;
    transform: translateY(0);
  }

  94.01%,
  100% {
    opacity: 0.32;
    transform: translateY(-5px);
  }
}

@keyframes loop-transition-one {
  0%,
  7% {
    opacity: 0.28;
    transform: scale(0.68);
  }

  13% {
    opacity: 1;
    transform: scale(1.08);
  }

  16%,
  94% {
    opacity: 1;
    transform: scale(1);
  }

  94.01%,
  100% {
    opacity: 0.28;
    transform: scale(0.68);
  }
}

@keyframes loop-rail-fill-x {
  0%,
  12% {
    opacity: 0;
    transform: scaleX(0);
  }

  14% {
    opacity: 0.9;
    transform: scaleX(0);
  }

  32%,
  94% {
    opacity: 0.9;
    transform: scaleX(1);
  }

  94.01%,
  100% {
    opacity: 0;
    transform: scaleX(0);
  }
}

@keyframes loop-rail-fill-y {
  0%,
  12% {
    opacity: 0;
    transform: scaleY(0);
  }

  14% {
    opacity: 0.9;
    transform: scaleY(0);
  }

  32%,
  94% {
    opacity: 0.9;
    transform: scaleY(1);
  }

  94.01%,
  100% {
    opacity: 0;
    transform: scaleY(0);
  }
}

@keyframes loop-step-one {
  0%,
  13% {
    opacity: 0.42;
    transform: translateY(4px);
  }

  17%,
  94% {
    opacity: 1;
    transform: translateY(0);
  }

  94.01%,
  100% {
    opacity: 0.42;
    transform: translateY(4px);
  }
}

@keyframes loop-step-two {
  0%,
  18% {
    opacity: 0.42;
    transform: translateY(4px);
  }

  22%,
  94% {
    opacity: 1;
    transform: translateY(0);
  }

  94.01%,
  100% {
    opacity: 0.42;
    transform: translateY(4px);
  }
}

@keyframes loop-step-three {
  0%,
  23% {
    opacity: 0.42;
    transform: translateY(4px);
  }

  27%,
  94% {
    opacity: 1;
    transform: translateY(0);
  }

  94.01%,
  100% {
    opacity: 0.42;
    transform: translateY(4px);
  }
}

@keyframes loop-step-four {
  0%,
  28% {
    opacity: 0.42;
    transform: translateY(4px);
  }

  32%,
  94% {
    opacity: 1;
    transform: translateY(0);
  }

  94.01%,
  100% {
    opacity: 0.42;
    transform: translateY(4px);
  }
}

@media (max-width: 960px) {
  .skill-explainer-scene {
    gap: 38px;
    grid-template-columns: minmax(0, 1fr);
  }

  .skill-explainer-copy {
    max-width: 680px;
  }

  .skill-story-card-expanded {
    margin-left: 0;
    max-width: 720px;
  }

  .skill-explainer-bridge {
    padding-left: 0;
  }
}

@media (max-width: 720px) {
  .skill-explainer {
    padding: 72px 16px 96px;
  }

  .skill-explainer-scenes {
    margin-top: 56px;
  }

  .skill-explainer-scene {
    gap: 30px;
    padding: 56px 0;
  }

  .skill-story-card-header {
    min-height: 80px;
    padding: 17px 18px;
  }

  .skill-story-steps {
    padding-left: 18px;
    padding-right: 18px;
  }

  .skill-story-steps li {
    gap: 10px;
    grid-template-columns: 32px minmax(62px, 0.32fr) minmax(0, 1fr);
  }

  .skill-story-steps strong,
  .skill-story-steps li > span:last-child {
    font-size: 14px;
  }

  .skill-explainer-bridge {
    margin: -2px 0;
  }

  .router-story-frame {
    padding: 20px;
  }

  .router-story-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .router-story-heading strong {
    text-align: left;
  }

  .router-story-map {
    gap: 20px;
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
    padding-top: 24px;
  }

  .router-story-inputs ul {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .router-story-inputs li {
    align-content: stretch;
    border: 1px solid var(--line);
    border-radius: 10px;
    min-height: 72px;
    padding: 0;
    text-align: left;
  }

  .router-story-inputs button {
    align-content: center;
    min-height: 72px;
    padding: 10px;
  }

  .router-story-route {
    height: 58px;
    justify-self: center;
    transform: none;
    width: 2px;
  }

  .router-story-route::before {
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 8px solid var(--accent);
    border-bottom: 0;
    bottom: -1px;
    left: 50%;
    right: auto;
    top: auto;
    transform: translateX(-50%);
  }

  .router-story-route::after {
    transform: scaleY(1);
    transform-origin: top;
  }

  .router-story-route span {
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
  }

  .router-story-destinations {
    justify-self: center;
    max-width: 520px;
    width: 100%;
  }

}

@media (max-width: 480px) {
  .skill-story-card-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .skill-story-auto {
    border-left: 0;
    border-top: 1px solid color-mix(in srgb, var(--accent-ink) 32%, transparent);
    max-width: none;
    padding-left: 0;
    padding-top: 10px;
    width: 100%;
  }

  .skill-story-steps li {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .skill-story-steps li > span:last-child {
    grid-column: 2;
    margin-top: -8px;
  }

  .skill-explainer-bridge::before {
    flex-basis: 18px;
  }

  .skill-explainer-bridge span {
    max-width: 190px;
  }

  .router-story-inputs ul {
    gap: 8px;
    grid-template-columns: minmax(0, 1fr);
  }

  .skill-story-card-compact .skill-story-card-header {
    min-height: 0;
  }

  .router-skill-steps li {
    gap: 7px;
    grid-template-columns: 24px minmax(50px, 0.42fr) minmax(0, 1fr);
  }
}

@keyframes router-story-route-y {
  0%,
  12% {
    opacity: 0;
    transform: scaleY(0);
  }

  20% {
    opacity: 1;
    transform: scaleY(0);
  }

  72%,
  86% {
    opacity: 1;
    transform: scaleY(1);
  }

  100% {
    opacity: 0;
    transform: scaleY(1);
  }
}

@media (max-width: 720px) and (prefers-reduced-motion: no-preference) {
  .router-story-frame.is-routing .router-story-route::after {
    animation-name: router-story-route-y;
  }
}

@media (prefers-reduced-motion: reduce) {
  .router-story-inputs li,
  .router-story-inputs button strong,
  .router-story-route,
  .router-story-panel {
    transition: none;
  }

  .router-story-panel [data-router-skill-step] {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1200px) {
  .landing-fold {
    grid-template-rows: auto minmax(0, 1fr) 66px;
  }

  .landing-hero {
    gap: 24px;
    grid-template-columns: 1fr;
    padding-bottom: 22px;
    padding-top: 24px;
  }

  .landing-hero h1,
  .zh-page .landing-hero h1 {
    font-size: clamp(46px, 10vw, 68px);
    max-width: 680px;
  }

  .landing-lede {
    font-size: 17px;
    margin-top: 18px;
    max-width: 680px;
  }

  .landing-copy-button {
    margin-top: 0;
  }

  .landing-copy-status {
    margin-top: 0;
  }

  .landing-loop {
    grid-template-rows: auto 108px auto;
    margin-left: auto;
    margin-right: auto;
    max-width: 920px;
    row-gap: 0;
  }

  .how-it-works-tease {
    min-height: 66px;
  }

  .landing-fit {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .landing-fold {
    overflow: visible;
  }

  .landing-nav {
    align-items: center;
    flex-direction: row;
    min-height: 60px;
    padding: 10px 16px;
  }

  .landing-nav-links {
    gap: 10px;
    justify-content: flex-end;
  }

  .landing-nav-links a:first-child,
  .landing-nav-links a:nth-child(2) {
    display: none;
  }

  .landing-nav-links a {
    font-size: 13px;
  }

  .landing-nav-links .button-secondary {
    min-height: 36px;
    padding: 7px 10px;
  }

  .landing-hero {
    gap: 24px;
    padding: 12px 16px 10px;
  }

  .landing-hero h1,
  .zh-page .landing-hero h1 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .landing-lede {
    font-size: 15px;
    line-height: 1.42;
    margin-top: 10px;
  }

  .landing-prompt-card {
    margin-top: 10px;
  }

  .landing-prompt-heading {
    font-size: 12px;
    padding: 9px 12px;
  }

  .landing-prompt-toggle {
    font-size: 12px;
  }

  .landing-prompt-preview {
    font-size: 9.5px;
    line-height: 1.35;
    max-height: 56px;
    padding: 8px 12px;
    -webkit-mask-image: linear-gradient(to bottom, #000 80%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 80%, transparent 100%);
  }

  .landing-prompt-preview.is-expanded {
    max-height: min(42vh, 340px);
  }

  .landing-prompt-actions {
    gap: 10px;
    min-height: 50px;
    padding: 6px 8px;
  }

  .landing-copy-button {
    font-size: 15px;
    margin-top: 0;
    min-height: 40px;
    padding: 8px 13px;
  }

  .landing-copy-status {
    font-size: 11px;
    min-height: 0;
  }

  .how-it-works-tease {
    font-size: 22px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .video-series,
  .landing-fit {
    padding-left: 16px;
    padding-right: 16px;
  }

  .video-grid {
    gap: 48px;
    grid-template-columns: 1fr;
  }

  .video-entry-quiz,
  .video-entry-wide {
    grid-column: auto;
  }

  .video-entry:not(.video-entry-quiz):not(.video-entry-wide) .video-placeholder {
    aspect-ratio: 16 / 9;
  }

  .video-caption {
    display: block;
    padding-top: 14px;
  }

  .video-caption p {
    margin-top: 5px;
  }
}

@media (max-height: 720px) and (min-width: 1201px) {
  .landing-hero {
    padding-bottom: 22px;
    padding-top: 22px;
  }

  .landing-hero h1,
  .zh-page .landing-hero h1 {
    font-size: clamp(52px, 6.2vw, 76px);
  }

  .landing-lede {
    font-size: 17px;
    margin-top: 18px;
  }

  .landing-copy-button {
    margin-top: 0;
    min-height: 46px;
  }

  .landing-loop {
    grid-template-rows: auto 82px auto;
    row-gap: 0;
  }

  .loop-before {
    gap: 7px;
  }

  .loop-label {
    font-size: 15px;
  }

  .loop-manual-list {
    min-height: 60px;
  }

  .loop-manual-list li {
    font-size: 15px;
    padding: 9px 8px;
  }

  .loop-transition {
    align-self: center;
    gap: 4px;
    grid-template-columns: 30px;
    grid-template-rows: 27px 20px 27px;
    height: 82px;
    width: 30px;
  }

  .loop-transition-count {
    border-width: 1.5px;
    font-size: 12px;
    height: 27px;
    width: 27px;
  }

  .loop-transition-arrow {
    font-size: 20px;
    padding: 0;
  }

  .loop-after {
    gap: 10px;
  }

  .loop-automation-title {
    font-size: 36px;
  }

  .loop-skill-frame {
    grid-template-columns: minmax(220px, 0.78fr) minmax(0, 1.62fr);
    min-height: 210px;
  }

  .loop-skill-header {
    padding: 22px;
  }

  .loop-skill-kind {
    font-size: 10px;
  }

  .loop-skill-name {
    font-size: 38px;
    margin-top: 8px;
  }

  .loop-automation-flow {
    padding: 22px 18px 18px 26px;
  }

  .loop-automation-kicker {
    font-size: 10px;
    margin-top: 14px;
    padding-top: 10px;
  }

  .loop-automation-rail {
    top: calc(50% - 21px);
  }

  .loop-auto-list {
    gap: 6px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .loop-auto-list li {
    font-size: 14.5px;
    gap: 10px;
    grid-template-columns: none;
    grid-template-rows: 34px auto;
    padding: 0 2px;
  }

  .loop-step-check {
    border-width: 3px;
    height: 34px;
    width: 34px;
  }

  .landing-prompt-card {
    margin-top: 18px;
  }

  .landing-prompt-preview {
    max-height: 52px;
  }

  .landing-prompt-actions {
    min-height: 54px;
  }
}

@media (prefers-color-scheme: dark) {
  html.landing-document {
    --bg: #141413;
    --paper: #1f1f1e;
    --ink: #faf9f5;
    --muted: #b0aea5;
    --line: #34332f;
    --line-strong: #52514e;
    --accent: #d97757;
    --accent-strong: #d97757;
    --accent-soft: #3b2923;
    --accent-ink: #141413;
    --focus-ring: #d97757;
    color-scheme: dark;
  }

  .landing-header {
    background: rgba(20, 20, 19, 0.94);
    background: color-mix(in srgb, var(--bg) 94%, transparent);
  }

  .landing-header .button-secondary {
    background: var(--paper);
    border-color: var(--line-strong);
    color: var(--ink);
  }
}