/* 🤖 Carloku shared stylesheet — both pages, zero dependencies, no build step.
   Fonts are Geist / Geist Mono (SIL OFL, see /fonts/LICENSE-OFL.txt), self-hosted. */

@font-face {
  font-family: "Geist";
  src: url("/fonts/Geist-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("/fonts/GeistMono-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #ffffff;
  --bg-tint: #f8f7fb;
  --ink: #1d1927;
  --muted: #5d5570;
  --faint: #6e6880;
  --accent: #5b3e96;
  --accent-ink: #4c3380;
  --accent-soft: rgba(91, 62, 150, 0.08);
  --btn-bg: #5b3e96;
  --btn-bg-hover: #4c3380;
  --btn-ink: #ffffff;
  --line: rgba(29, 25, 39, 0.1);
  --line-strong: rgba(29, 25, 39, 0.16);
  --band-bg: #221a35;
  --band-ink: #f2eef9;
  --band-muted: #b9aed6;
  --band-line: rgba(242, 238, 249, 0.14);
  --term-bg: #120f1a;
  --term-chrome: #1b1626;
  --term-line: rgba(255, 255, 255, 0.08);
  --term-title: #8d84a6;
  --term-ink: #ede9f7;
  --term-out: #9d93b8;
  --term-ok: #7ee2a8;
  --term-prompt: #b394f2;
  --shadow: 0 1px 2px rgba(20, 12, 40, 0.05), 0 12px 32px -12px rgba(20, 12, 40, 0.18);
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --wrap: 72rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0c13;
    --bg-tint: #14111c;
    --ink: #f2eff8;
    --muted: #a9a0c2;
    --faint: #928aab;
    --accent: #b394f2;
    --accent-ink: #c9b2f7;
    --accent-soft: rgba(179, 148, 242, 0.1);
    --btn-bg: #6a48c8;
    --btn-bg-hover: #7d5cdb;
    --btn-ink: #ffffff;
    --line: rgba(242, 239, 248, 0.09);
    --line-strong: rgba(242, 239, 248, 0.16);
    --band-bg: #261b44;
    --band-ink: #f2eef9;
    --band-muted: #b3a8d2;
    --band-line: rgba(242, 238, 249, 0.12);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -16px rgba(0, 0, 0, 0.55);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--accent); color: var(--bg); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 0.25em;
}
html { scrollbar-color: var(--line-strong) transparent; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }
.wrap.narrow { max-width: 50rem; }

.skip {
  position: absolute; left: 1rem; top: -3rem;
  background: var(--btn-bg); color: var(--btn-ink);
  padding: 0.5rem 1rem; border-radius: 0.5rem; text-decoration: none;
  transition: top 120ms ease-out; z-index: 20;
}
.skip:focus-visible { top: 1rem; }

/* ---- Header ---- */
.site-head {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease-out;
}
.site-head.scrolled { border-bottom-color: var(--line); }
.site-head .wrap {
  display: flex; align-items: center; gap: 2rem;
  height: 4rem;
}
.brand {
  font-weight: 640; font-size: 1.05rem; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none;
  display: flex; align-items: center; gap: 0.5rem;
}
.brand svg.mark { width: 1.4rem; height: 1.4rem; display: block; }
.site-head nav {
  display: flex; gap: 1.75rem; margin-left: auto; align-items: center;
}
.site-head nav a {
  color: var(--muted); text-decoration: none; font-size: 0.95rem; font-weight: 480;
  white-space: nowrap;
  transition: color 120ms ease-out;
}
.site-head nav a:hover { color: var(--ink); }
.site-head .head-cta {
  color: var(--accent); font-weight: 560; font-size: 0.95rem;
  text-decoration: none; white-space: nowrap;
  border: 1px solid var(--line-strong); border-radius: 0.55rem;
  padding: 0.42rem 0.95rem;
  transition: border-color 120ms ease-out, background 120ms ease-out, color 120ms ease-out;
}
.site-head .head-cta:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
@media (max-width: 44rem) {
  .site-head .wrap { flex-wrap: wrap; height: auto; padding-top: 0.7rem; padding-bottom: 0.7rem; row-gap: 0.35rem; }
  .site-head nav { flex-basis: 100%; order: 3; gap: 1.25rem; margin-left: 0; }
  .site-head nav a { font-size: 0.9rem; }
  .site-head .head-cta { margin-left: auto; padding: 0.3rem 0.8rem; font-size: 0.9rem; }
}

/* ---- Hero ---- */
.hero { padding: 5.5rem 0 5rem; }
.nobr { white-space: nowrap; }
.hero .wrap {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 4.5rem; align-items: center;
}
h1 {
  font-size: clamp(2.6rem, 5.4vw, 4.1rem);
  line-height: 1.04; letter-spacing: -0.032em; font-weight: 680;
  text-wrap: balance;
  margin-bottom: 1.35rem;
}
h1 .dot { color: var(--accent); }
.lede {
  font-size: 1.17rem; line-height: 1.65; color: var(--muted);
  max-width: 34rem; text-wrap: pretty;
}
.cta { margin-top: 2.25rem; display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  text-decoration: none; font-weight: 580; font-size: 1rem;
  border-radius: 0.65rem; padding: 0.72rem 1.4rem;
  transition: background 130ms ease-out, border-color 130ms ease-out, transform 130ms ease-out;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--btn-bg); color: var(--btn-ink);
  box-shadow: 0 1px 2px rgba(20, 12, 40, 0.2), 0 6px 16px -6px color-mix(in srgb, var(--btn-bg) 55%, transparent);
}
.btn-primary:hover { background: var(--btn-bg-hover); }
.btn-quiet {
  color: var(--ink); border: 1px solid var(--line-strong);
}
.btn-quiet:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.hero-note {
  margin-top: 1.4rem; font-size: 0.92rem; color: var(--faint);
}
.hero-note a { color: var(--faint); }
.hero-note a:hover { color: var(--accent); }

/* ---- Terminal ---- */
.term {
  background: var(--term-bg);
  border: 1px solid var(--term-line);
  border-radius: 0.85rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.75;
}
.term-bar {
  display: flex; align-items: center; gap: 0.45rem;
  background: var(--term-chrome);
  border-bottom: 1px solid var(--term-line);
  padding: 0.6rem 0.9rem;
}
.term-bar i {
  width: 0.68rem; height: 0.68rem; border-radius: 50%;
  background: currentColor; opacity: 0.28; color: var(--term-title);
}
.term-bar span {
  margin-left: 0.4rem; color: var(--term-title);
  font-size: 0.78rem; letter-spacing: 0.01em;
}
.term-body { padding: 1.05rem 1.15rem 1.2rem; min-height: 17.5rem; }
.term-body .line { display: block; white-space: pre-wrap; word-break: break-word; color: var(--term-out); }
.term-body .cmd { color: var(--term-ink); }
.term-body .cmd::before { content: "$ "; color: var(--term-prompt); font-weight: 560; }
.term-body .cmt { color: var(--term-title); }
.term-body .cmt::before { content: "$ "; color: var(--term-prompt); font-weight: 560; }
.term-body .ok { color: var(--term-ok); }
/* A URL in the transcript is a real link, and it stays terminal furniture:
   it takes its line's color rather than the page's purple (the One Voice
   Rule keeps purple off the terminal), and earns an underline on hover.
   The focus ring is the terminal's own prompt violet — the page accent is
   too dark to see against Terminal Black. */
.term-body a { color: inherit; text-decoration-color: rgba(255, 255, 255, 0.35); text-underline-offset: 0.2em; }
.term-body a:hover { text-decoration-color: currentColor; }
.term-body a:focus-visible { outline-color: var(--term-prompt); }
.term-caret {
  display: inline-block; width: 0.55em; height: 1.05em;
  background: var(--term-prompt); vertical-align: text-bottom;
  animation: caret 1.1s steps(1) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

/* ---- Sections ---- */
section { padding: 5.5rem 0; }
section.tint { background: var(--bg-tint); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  letter-spacing: -0.025em; line-height: 1.15; font-weight: 650;
  text-wrap: balance;
  margin-bottom: 0.9rem;
}
.section-lede { color: var(--muted); font-size: 1.08rem; max-width: 38rem; text-wrap: pretty; }

.steps {
  list-style: none; padding: 0;
  margin-top: 3rem;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.75rem;
}
.steps li { position: relative; padding-top: 1.15rem; }
.steps li::before {
  content: counter(step); counter-increment: step;
  position: absolute; top: -0.9rem; left: 0;
  font-family: var(--mono); font-weight: 560; font-size: 0.82rem;
  color: var(--accent);
  background: var(--accent-soft);
  width: 1.85rem; height: 1.85rem; border-radius: 50%;
  display: grid; place-items: center;
}
.steps { counter-reset: step; }
.steps h3 {
  font-size: 1.12rem; font-weight: 620; letter-spacing: -0.01em;
  margin: 0.9rem 0 0.45rem;
}
.steps p { color: var(--muted); font-size: 0.98rem; }
.steps code {
  font-family: var(--mono); font-size: 0.88em;
  background: var(--accent-soft); color: var(--accent-ink);
  padding: 0.12em 0.4em; border-radius: 0.3em;
}

.quiet-grid {
  margin-top: 2.75rem;
  display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 4rem; align-items: center;
}
.features { list-style: none; padding: 0; }
.features li {
  display: grid; grid-template-columns: auto 1fr;
  gap: 1.15rem; align-items: start;
  padding: 1.35rem 0;
}
.features li + li { border-top: 1px solid var(--line); }
.features .icon {
  width: 2.4rem; height: 2.4rem; border-radius: 0.6rem;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  margin-top: 0.15rem;
}
.features .icon svg { width: 1.25rem; height: 1.25rem; }
.features h3 { font-size: 1.08rem; font-weight: 620; letter-spacing: -0.01em; margin-bottom: 0.3rem; }
.features p { color: var(--muted); font-size: 0.97rem; }
.dash-frame {
  background: var(--term-bg);
  border: 1px solid var(--term-line);
  border-radius: 0.85rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.dash-frame img { display: block; width: 100%; height: auto; }
.dash figcaption {
  margin-top: 0.8rem; font-size: 0.88rem; color: var(--faint);
}

/* ---- Open-source band ---- */
.band { background: var(--band-bg); color: var(--band-ink); padding: 6rem 0; }
.band h2 { color: var(--band-ink); }
.band p { color: var(--band-muted); font-size: 1.08rem; max-width: 40rem; text-wrap: pretty; }
.band p + p { margin-top: 1rem; }
.band .cta { margin-top: 2.2rem; }
.band .btn-primary { background: var(--band-ink); color: var(--band-bg); box-shadow: none; }
.band .btn-primary:hover { background: #ffffff; }
.band .btn-quiet { color: var(--band-ink); border-color: var(--band-line); }
.band .btn-quiet:hover { border-color: var(--band-ink); color: var(--band-ink); background: rgba(255, 255, 255, 0.06); }
.band .proof {
  margin-top: 2.4rem; padding-top: 1.6rem; border-top: 1px solid var(--band-line);
  font-size: 0.95rem; color: var(--band-muted);
}
.band .proof a { color: var(--band-ink); }
.band ::selection { background: var(--band-ink); color: var(--band-bg); }

/* ---- Closing CTA ---- */
.close-cta { padding: 7rem 0; text-align: center; }
.close-cta h2 { font-size: clamp(2rem, 4vw, 3rem); }
.close-cta p { color: var(--muted); font-size: 1.1rem; }
.close-cta .cta { justify-content: center; }

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--line);
  padding: 3rem 0 3.5rem;
  font-size: 0.92rem; color: var(--muted);
}
footer p { max-width: 44rem; }
footer p + p { margin-top: 0.7rem; }
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; text-underline-offset: 0.2em; }
footer code { font-family: var(--mono); font-size: 0.9em; }

/* ---- Get-started article ---- */
.page-hero { padding: 4.5rem 0 1rem; }
.page-hero .lede { margin-top: 0; }
article.guide { padding: 1.5rem 0 4rem; }
article.guide section { padding: 2.4rem 0; border-top: 1px solid var(--line); }
article.guide section:first-child { border-top: 0; }
article.guide h2 { font-size: 1.45rem; margin-bottom: 1rem; }
article.guide p, article.guide ul { color: var(--muted); max-width: 42rem; margin-bottom: 1rem; }
article.guide ul { padding-left: 1.2rem; }
article.guide li + li { margin-top: 0.5rem; }
article.guide a { color: var(--accent); text-decoration: none; }
article.guide a:hover { text-decoration: underline; text-underline-offset: 0.2em; }
article.guide pre {
  background: var(--term-bg); color: var(--term-ink);
  border: 1px solid var(--term-line);
  padding: 1rem 1.2rem; border-radius: 0.7rem;
  overflow-x: auto;
  font-family: var(--mono); font-size: 0.88rem; line-height: 1.7;
  margin: 1.1rem 0 1.3rem;
}
article.guide pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
article.guide code {
  font-family: var(--mono); font-size: 0.88em;
  background: var(--accent-soft); color: var(--accent-ink);
  padding: 0.12em 0.4em; border-radius: 0.3em;
}
article.guide .note {
  border-left: 1px solid var(--line-strong);
  padding-left: 1.1rem; color: var(--faint); font-size: 0.95rem;
}

/* ---- Responsive ---- */
@media (max-width: 62rem) {
  .hero { padding: 3.5rem 0 4.5rem; }
  .hero .wrap { grid-template-columns: 1fr; gap: 3rem; }
  .lede { max-width: 38rem; }
  .steps { grid-template-columns: 1fr; gap: 2.25rem; }
  .quiet-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  section, .band { padding: 4rem 0; }
  .close-cta { padding: 5rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}