/* ==========================================================================
   Ambient — shared design system
   Warm light theme: cream canvas, dark-brown ink, one orange accent.
   Heavy Inter Tight display, Inter body, JetBrains Mono for code/labels.
   Used by the landing page, the blog, and the developer docs.
   ========================================================================== */

/* ----- Tokens ----------------------------------------------------------- */
:root {
  /* Surfaces */
  --bg:            #fdf6f1;
  --bg-2:          #f8ece4;
  --panel:         #ffffff;
  --panel-2:       #fbf1ea;
  --ink-panel:     #1c100b;   /* dark cards: terminal, product card, code */
  --ink-panel-2:   #2a170e;
  --hairline:      rgba(58, 28, 12, 0.11);
  --hairline-2:    rgba(58, 28, 12, 0.06);
  --dot:           rgba(58, 28, 12, 0.07);
  --shadow:        0 1px 2px rgba(58, 28, 12, 0.05), 0 12px 32px -14px rgba(58, 28, 12, 0.18);

  /* Text */
  --text:          #1a110d;
  --text-muted:    #6b5850;
  --text-faint:    #9a877e;
  --on-ink:        #fbeee6;   /* text on dark panels */
  --on-ink-muted:  #bfa89c;

  /* Accent */
  --accent:        #ff5a14;   /* Ambient orange */
  --accent-2:      #ff7a2e;
  --accent-soft:   #ffe5d8;   /* icon tiles, tints */
  --accent-glow:   rgba(255, 90, 20, 0.28);

  /* Fonts */
  --font-display: "Inter Tight", "Inter", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Layout */
  --maxw:         1440px;
  --gutter:       24px;
  --radius:       16px;
  --radius-sm:    10px;
}

/* ----- Reset ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(900px 600px at 85% -10%, rgba(255, 122, 46, 0.10), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--accent); color: #fff; }

/* ----- Typography ------------------------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.04;
  margin: 0;
}
h1 { font-size: clamp(2.8rem, 6.6vw, 5.4rem); letter-spacing: -0.045em; }
h2, h3 { text-wrap: balance; }
h2 { font-size: clamp(2rem, 4.4vw, 3.3rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.35rem); letter-spacing: -0.015em; font-weight: 700; }
p  { margin: 0; }

.mono {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 500;
}

/* Dark highlight block with orange italic text (hero + CTA) */
.mark {
  display: inline;
  background: var(--ink-panel);
  color: var(--accent);
  font-style: italic;
  padding: 0.02em 0.16em 0.06em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.accent { color: var(--accent); }

/* ----- Layout ----------------------------------------------------------- */
.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
section { position: relative; }
.section-pad { padding-block: clamp(64px, 9vw, 116px); }

/* Faint dotted grid utility */
.dotgrid {
  background-image: radial-gradient(var(--dot) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  background-position: -12px -12px;
}

.hair-top    { border-top: 1px solid var(--hairline); }
.hair-bottom { border-bottom: 1px solid var(--hairline); }

/* Eyebrow: wide-tracked orange caps */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ----- Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn .chev { transition: transform 0.15s ease; }
.btn:hover .chev { transform: translateX(3px); }

.btn-primary {
  background: var(--ink-panel-2);
  color: #fff;
  box-shadow: 0 10px 24px -12px rgba(42, 23, 14, 0.7);
}
.btn-primary:hover { background: #3a2013; }

.btn-ghost {
  background: var(--panel);
  color: var(--text);
  border-color: var(--hairline);
  box-shadow: var(--shadow);
}
.btn-ghost:hover { border-color: rgba(58, 28, 12, 0.22); }

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px -12px var(--accent-glow);
}
.btn-accent:hover { background: var(--accent-2); }

/* ----- Header / Nav ----------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(253, 246, 241, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.nav.scrolled { border-bottom-color: var(--hairline); }
.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 800; font-size: 1.55rem; letter-spacing: -0.03em; }
.brand .logo { width: 30px; height: 30px; color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 40px; margin-left: auto; }
.nav-links a {
  font-size: 1rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); font-weight: 600; }
/* GitHub link: the mark alone in the bar; the label shows in the mobile dropdown. */
.nav-gh { display: inline-flex; align-items: center; gap: 10px; }
.nav-gh svg { width: 22px; height: 22px; fill: currentColor; }
.nav-gh-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.nav-links.open .nav-gh-label { position: static; width: auto; height: auto; overflow: visible; clip: auto; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--hairline); border-radius: 9px; padding: 8px; color: var(--text); cursor: pointer; }

/* ----- Logo mark (inline svg) ------------------------------------------ */
.logo path, .logo circle { fill: currentColor; }

/* ----- Cards ------------------------------------------------------------ */
.card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 26px;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { border-color: rgba(255, 90, 20, 0.35); transform: translateY(-3px); }
.card h3 { margin-bottom: 8px; }
.card p  { color: var(--text-muted); font-size: 0.95rem; }

/* Icon tile: peach square, orange glyph */
.ic-tile {
  width: 52px; height: 52px; flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}
.ic-tile svg { width: 24px; height: 24px; }
.card .ic-tile { margin-bottom: 18px; }

/* ----- Chips ------------------------------------------------------------ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  font-size: 0.72rem;
  color: var(--text);
  border: 1px solid var(--hairline);
  background: var(--panel);
  border-radius: 7px;
  padding: 5px 9px;
  white-space: nowrap;
}
.chip.accent { border-color: rgba(255, 90, 20, 0.35); color: var(--accent); background: #fff6f1; }
.chip.dot::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

/* ----- Code block (dark on light) -------------------------------------- */
.code {
  position: relative;
  border-radius: var(--radius);
  background: var(--ink-panel);
  overflow: hidden;
  box-shadow: 0 20px 44px -24px rgba(42, 23, 14, 0.55);
}
.code-head {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.code-head .dots { display: flex; gap: 6px; }
.code-head .dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.14); display: block; }
.code-head .file { font-family: var(--font-mono); font-size: 0.72rem; color: var(--on-ink-muted); letter-spacing: 0.04em; }
.code pre { margin: 0; padding: 20px; overflow-x: auto; font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.7; color: var(--on-ink); }
.code .cp { color: var(--accent-2); }   /* keyword / call / prompt */
.code .cs { color: #f6c177; }          /* string   */
.code .cc { color: #8c7468; }          /* comment  */
.code .cf { color: #f28fad; }          /* key/attr */
.copy-btn {
  position: absolute; top: 9px; right: 12px;
  font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--on-ink-muted); background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px; padding: 6px 10px; cursor: pointer; transition: color .15s, border-color .15s;
}
.copy-btn:hover { color: var(--accent-2); border-color: rgba(255, 122, 46, 0.5); }

/* ----- Footer ----------------------------------------------------------- */
.footer { border-top: 1px solid var(--hairline); padding-block: 56px 40px; color: var(--text-muted); background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.footer .brand { font-size: 1.3rem; margin-bottom: 14px; color: var(--text); }
.footer h4 { font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.72rem; color: var(--text-faint); margin: 0 0 14px; font-weight: 600; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer ul a { font-size: 0.95rem; color: var(--text-muted); transition: color .15s; }
.footer ul a:hover { color: var(--accent); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--hairline); font-size: 0.82rem; color: var(--text-faint); }

/* ----- Reveal on scroll ------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   Subpages: blog + docs
   ========================================================================== */
.page-head { padding-block: clamp(56px, 8vw, 96px) clamp(32px, 4vw, 48px); }
.page-head .eyebrow { margin-bottom: 18px; }
.page-head h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
.page-head p { color: var(--text-muted); margin-top: 18px; max-width: 42rem; font-size: 1.12rem; }

/* Prose (article + doc body) */
.prose { color: var(--text); font-size: 1.04rem; line-height: 1.75; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-top: 2em; scroll-margin-top: 96px; }
.prose h3 { font-size: 1.25rem; margin-top: 1.6em; scroll-margin-top: 96px; }
.prose p, .prose li { color: #4a3a33; }
.prose strong { color: var(--text); font-weight: 650; }
.prose a { color: var(--accent); border-bottom: 1px solid rgba(255, 90, 20, 0.35); }
.prose a:hover { border-color: var(--accent); }
.prose ul, .prose ol { padding-left: 1.2em; display: grid; gap: 0.5em; }
.prose code { font-family: var(--font-mono); font-size: 0.84em; background: var(--accent-soft); border-radius: 5px; padding: 0.12em 0.4em; color: #c2410c; }
.prose pre code { background: none; padding: 0; color: inherit; }
.prose blockquote { border-left: 3px solid var(--accent); padding-left: 18px; color: var(--text); font-style: italic; }
.prose hr { border: none; border-top: 1px solid var(--hairline); margin: 2.4em 0; }

/* Docs two-column layout */
.docs-layout { display: grid; grid-template-columns: 232px 1fr; gap: 48px; align-items: start; padding-block: 48px 96px; }
.docs-side { position: sticky; top: 100px; }
.docs-side h4 { font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.7rem; color: var(--text-faint); margin: 0 0 12px; font-weight: 600; }
.docs-side nav { display: grid; gap: 4px; margin-bottom: 26px; }
.docs-side nav a { font-size: 0.93rem; color: var(--text-muted); padding: 5px 10px; border-radius: 8px; border-left: 2px solid transparent; transition: color .15s, background .15s; }
.docs-side nav a:hover { color: var(--text); background: rgba(58, 28, 12, 0.04); }
.docs-side nav a.active { color: var(--accent); border-left-color: var(--accent); background: #fff3ec; }

/* Blog listing */
.post-list { display: grid; gap: 18px; padding-block: 20px 96px; }
.post-card { display: grid; grid-template-columns: 150px 1fr; gap: 26px; border: 1px solid var(--hairline); border-radius: var(--radius); padding: 24px; background: var(--panel); box-shadow: var(--shadow); transition: border-color .18s, transform .18s; }
.post-card:hover { border-color: rgba(255, 90, 20, 0.35); transform: translateY(-2px); }
.post-card .meta { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); }
.post-card h3 { margin: 0 0 8px; }
.post-card p { color: var(--text-muted); font-size: 0.97rem; }
.post-card .tag { display: inline-block; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); background: var(--accent-soft); border-radius: 6px; padding: 4px 9px; margin-top: 12px; }
.article { max-width: 720px; margin-inline: auto; padding-block: 8px 96px; }
.article .meta { font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); margin-bottom: 18px; }
.back-link { display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 600; color: var(--text-muted); margin-bottom: 26px; }
.back-link:hover { color: var(--accent); }

@media (max-width: 860px) {
  .docs-layout { grid-template-columns: 1fr; gap: 24px; }
  .docs-side { position: static; border-bottom: 1px solid var(--hairline); padding-bottom: 20px; }
  .post-card { grid-template-columns: 1fr; gap: 12px; }
}

/* ----- Responsive ------------------------------------------------------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}