:root {
  --primary: #000000;
  --on-primary: #ffffff;
  --ink: #000000;
  --ink-deep: #090909;
  --charcoal: #525252;
  --body: #737373;
  --mute: #a3a3a3;
  --canvas: #ffffff;
  --surface-soft: #fafafa;
  --surface-dark: #171717;
  --hairline: #e5e5e5;
  --hairline-strong: #d4d4d4;
  --on-dark: #ffffff;
  --on-dark-mute: rgba(255, 255, 255, 0.7);
  --focus-ring: rgba(59, 130, 246, 0.5);
  --terminal-red: #ff5f56;
  --terminal-yellow: #ffbd2e;
  --terminal-green: #27c93f;
  --radius-card: 12px;
  --radius-pill: 9999px;
  --section: 88px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
}

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

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

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

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  min-height: 56px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--hairline);
  background: var(--canvas);
}

.site-header.simple {
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  font-size: 14px;
  font-weight: 500;
}

.brand img {
  width: 30px;
  height: 30px;
}

nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
}

nav a,
.site-footer a,
.doc-content a,
.faq a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

nav a {
  text-decoration: none;
}

.nav-cta {
  justify-self: end;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  max-width: 100%;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
}

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

.button.primary:active {
  background: var(--ink-deep);
}

.button.secondary {
  background: var(--canvas);
  border-color: var(--hairline-strong);
  color: var(--ink);
}

.button.on-dark {
  background: var(--canvas);
  color: var(--ink);
}

.site-main,
.doc-page {
  width: min(720px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  display: grid;
  justify-items: center;
  padding: 76px 0 var(--section);
  text-align: center;
}

.hero-mark {
  width: 104px;
  height: auto;
  margin-bottom: 28px;
}

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

h1,
h2 {
  font-family: "SF Pro Rounded", ui-rounded, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 500;
  letter-spacing: 0;
}

h1 {
  max-width: 620px;
  margin: 0;
  font-size: 36px;
  line-height: 1.11;
}

h2 {
  margin: 0 0 16px;
  font-size: 30px;
  line-height: 1.2;
}

h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.56;
}

p {
  margin: 0;
  color: var(--body);
}

.hero-copy,
.lede {
  max-width: 620px;
  margin-top: 16px;
  color: var(--body);
  font-size: 16px;
  line-height: 1.5;
}

.install-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  min-height: 48px;
  margin-top: 28px;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  text-align: left;
}

.install-pill code {
  white-space: normal;
  overflow-wrap: anywhere;
}

.hero-actions,
.page-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.availability {
  margin-top: 14px;
  color: var(--mute);
  font-size: 12px;
  line-height: 1.33;
}

.media-panel {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--canvas);
}

.media-panel img {
  width: 100%;
  height: auto;
}

.product-preview {
  background: var(--surface-soft);
}

.glyph-panel {
  padding: 24px;
}

.section {
  padding: var(--section) 0 0;
}

.section > p,
.split-section p {
  margin-top: 12px;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.command-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.command-row.vertical {
  display: grid;
}

.command-row code {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.43;
  overflow-wrap: anywhere;
}

.terminal-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--canvas);
  padding: 16px;
}

.terminal-lights {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
}

.terminal-lights span {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-pill);
}

.terminal-lights .red {
  background: var(--terminal-red);
}

.terminal-lights .yellow {
  background: var(--terminal-yellow);
}

.terminal-lights .green {
  background: var(--terminal-green);
}

.terminal-card pre {
  margin: 0;
  overflow-x: auto;
  color: var(--charcoal);
  font-size: 14px;
  line-height: 1.43;
  white-space: pre-wrap;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.doc-card,
.steps article {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--canvas);
  padding: 24px;
}

.doc-card p,
.steps p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.43;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 18px;
  border-radius: var(--radius-pill);
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
}

.dark-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: var(--section);
  padding: 24px 32px;
  border-radius: var(--radius-card);
  background: var(--surface-dark);
  color: var(--on-dark);
}

.dark-strip h2 {
  margin-bottom: 8px;
  color: var(--on-dark);
  font-size: 24px;
  line-height: 1.33;
}

.dark-strip p {
  color: var(--on-dark-mute);
}

.faq article {
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}

.faq.compact article:first-child,
.faq article:first-of-type {
  border-top: 1px solid var(--hairline);
}

.faq p {
  margin-top: 4px;
  color: var(--body);
}

.faq code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 14px;
}

.final-cta {
  display: grid;
  justify-items: center;
  padding-bottom: var(--section);
  text-align: center;
}

.final-cta img {
  margin-bottom: 20px;
}

.final-cta p {
  max-width: 560px;
  margin-top: 12px;
}

.doc-page {
  padding: 70px 0 100px;
}

.doc-content section {
  padding: 32px 0;
  border-top: 1px solid var(--hairline);
}

.doc-content section:last-of-type {
  border-bottom: 1px solid var(--hairline);
}

.kicker {
  margin: 0 0 12px;
  color: var(--body);
  font-size: 12px;
  line-height: 1.33;
  text-transform: uppercase;
}

.doc-content .lede {
  margin: 12px 0 44px;
}

.doc-content h1 {
  max-width: none;
}

.doc-content h2 {
  margin-bottom: 12px;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.33;
}

.site-footer {
  border-top: 1px solid var(--hairline);
  background: var(--canvas);
  color: var(--body);
  font-size: 12px;
  line-height: 1.33;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 32px 24px;
}

@media (max-width: 850px) {
  :root {
    --section: 64px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  nav {
    grid-column: 1 / -1;
    order: 3;
    flex-wrap: wrap;
    gap: 14px;
  }

  .nav-cta {
    justify-self: end;
  }

  .split-section,
  .doc-grid,
  .steps {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  :root {
    --section: 48px;
  }

  body {
    font-size: 15px;
  }

  .site-main,
  .doc-page {
    width: min(100% - 32px, 720px);
  }

  .site-header {
    padding: 10px 16px;
  }

  .brand span {
    font-size: 14px;
  }

  nav {
    justify-content: flex-start;
    font-size: 13px;
  }

  .nav-cta {
    padding-inline: 16px;
  }

  .hero {
    padding-top: 52px;
  }

  h1 {
    font-size: 28px;
    line-height: 1.15;
  }

  h2 {
    font-size: 26px;
  }

  .install-pill {
    width: 100%;
    justify-content: flex-start;
  }

  .hero-actions,
  .page-actions {
    align-items: stretch;
    flex-direction: column;
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .doc-card,
  .steps article {
    padding: 20px;
  }

  .glyph-panel {
    padding: 14px;
  }

  .dark-strip {
    padding: 24px;
  }

  .doc-page {
    padding: 48px 0 72px;
  }
}