:root {
  --bg: #f6efe3;
  --bg-card: #fbf6ec;
  --ink: #2d2a26;
  --ink-soft: #645e56;
  --mint: #8fc7b0;
  --mint-deep: #4f9c7e;
  --coral: #e89b8c;
  --coral-deep: #c66f5d;
  --border: #e6dcc7;
  --code-bg: #2d2a26;
  --code-ink: #f6efe3;
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  color-scheme: light dark;
}

/* Dark palette — applied via @media (auto) or [data-theme="dark"] (manual). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1b1714;
    --bg-card: #26201c;
    --ink: #f1e8d6;
    --ink-soft: #aea393;
    --mint: #7db9a0;
    --mint-deep: #9fd4bb;
    --coral: #e89b8c;
    --coral-deep: #f2b3a4;
    --border: #3a312a;
    --code-bg: #0f0c0a;
    --code-ink: #f1e8d6;
  }
  :root:not([data-theme="light"]) .banner { filter: brightness(0.92) saturate(0.9); }
}

:root[data-theme="dark"] {
  --bg: #1b1714;
  --bg-card: #26201c;
  --ink: #f1e8d6;
  --ink-soft: #aea393;
  --mint: #7db9a0;
  --mint-deep: #9fd4bb;
  --coral: #e89b8c;
  --coral-deep: #f2b3a4;
  --border: #3a312a;
  --code-bg: #0f0c0a;
  --code-ink: #f1e8d6;
}
:root[data-theme="dark"] .banner { filter: brightness(0.92) saturate(0.9); }

/* Theme toggle button */
.theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  color: var(--ink-soft);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  transition: color .15s, background .15s, border-color .15s, transform .15s;
  z-index: 10;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-soft); transform: rotate(-8deg); }
.theme-toggle:focus-visible,
.copy:focus-visible,
.tabs button:focus-visible {
  outline: 2px solid var(--coral-deep);
  outline-offset: 2px;
}
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }

:root[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun  { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

a {
  color: var(--coral-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .15s ease;
}
a:hover { border-bottom-color: var(--coral-deep); }

code {
  font-family: var(--mono);
  font-size: .92em;
}
p code, .next code {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 6px;
}

pre {
  margin: 0;
  padding: 16px 18px;
  background: var(--code-bg);
  color: var(--code-ink);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  overflow-x: auto;
  max-width: 100%;
}
pre code { white-space: pre; }
pre code { background: transparent; border: 0; padding: 0; color: inherit; }

/* Hero */
.hero { text-align: center; }
.banner {
  width: 100%;
  max-width: 560px;
  height: auto;
  border-radius: var(--radius);
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.1;
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.lede {
  max-width: 560px;
  margin: 0 auto 28px;
  color: var(--ink-soft);
  font-size: 18px;
  text-align: left;
}
.next {
  margin: 20px auto 28px;
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 15px;
  text-align: left;
}

/* Install block */
.install {
  text-align: left;
  max-width: 560px;
  margin: 0 auto;
}
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.tabs button {
  background: transparent;
  border: 0;
  padding: 8px 14px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-soft);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .15s, border-color .15s;
}
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--coral-deep);
}
.panel {
  position: relative;
  display: none;
}
.panel.active { display: block; }
.panel pre { padding-right: 72px; }
.copy {
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--mono);
  font-size: 12px;
  background: rgba(255,255,255,.08);
  color: var(--code-ink);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  transition: background .15s ease;
}
.copy:hover { background: rgba(255,255,255,.16); }
.copy.done { background: var(--mint-deep); border-color: var(--mint-deep); color: #fff; }

/* CTA */
.cta {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.cta a {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--ink);
}
.cta a.primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.cta a:hover { border-color: var(--ink); }

/* Flows */
.flows { margin-top: 88px; }
.flows h2 {
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
}
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.cards article {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.cards h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}
.cards p {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 15px;
}
.cards pre { font-size: 13px; padding: 12px 14px; }
.cards article:nth-child(1) { border-left: 3px solid var(--mint); }
.cards article:nth-child(2) { border-left: 3px solid var(--coral); }
.cards article:nth-child(3) { border-left: 3px solid var(--mint-deep); }

/* Why */
.why {
  margin-top: 88px;
}
.why h2 {
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}
.why > p {
  max-width: 640px;
  margin: 0 auto 24px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
}
.why em {
  font-style: italic;
  color: var(--coral-deep);
}
.tenets {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 640px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
}
.tenets li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
}
.tenets li strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 2px;
}
.why .more {
  text-align: center;
  margin: 22px 0 0;
  font-size: 14px;
}

/* Closing vignette — a scene, not an explanation */
.vignette {
  margin-top: 72px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.vignette p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  font-style: italic;
}
.vignette p::before {
  content: "";
  display: block;
  width: 36px;
  height: 2px;
  background: var(--coral);
  margin: 0 auto 22px;
  opacity: .7;
}

/* Footer */
footer {
  margin-top: 88px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  justify-content: center;
  color: var(--ink-soft);
  font-size: 14px;
  flex-wrap: wrap;
}

@media (max-width: 560px) {
  .hero h1 { font-size: 34px; }
  /* On narrow screens, wrap long command lines rather than forcing
     horizontal scroll. Keeps the card (and the whole page) fitting
     the viewport. */
  .cards pre code,
  .panel pre code { white-space: pre-wrap; word-break: break-word; }
  .tenets { grid-template-columns: 1fr; gap: 10px; }
  main { padding: 32px 18px 48px; }
}