/* Zumly docs — shared stylesheet for the static pages (learn/, integrations/,
   drivers/, api.html) and the tokens the SPA reuses (css/spa.css).
   Deep-sea theme: the abyss is the background, the anglerfish is the accent,
   and its lure is the highlight. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --abyss: #020912;
  --bg: #04101d;
  --surface: rgba(120, 190, 255, 0.05);
  --surface-hover: rgba(120, 190, 255, 0.09);
  --line: rgba(120, 190, 255, 0.13);
  --line-strong: rgba(120, 190, 255, 0.3);
  --fish: #5bb3f2;
  --accent: #6cc2ff;
  --lure: #dff3ff;
  --glow: rgba(140, 205, 255, 0.16);
  --text: #e4effa;
  --text-mid: rgba(214, 232, 250, 0.74);
  --text-dim: rgba(196, 220, 245, 0.5);
  --code-bg: rgba(0, 8, 18, 0.6);
  --code-text: #cfe2f5;
  --tok-key: #8fd0ff;
  --tok-str: #a8e6b0;
  --tok-com: rgba(180, 205, 230, 0.45);
  --tok-tag: #ffb38a;
  --nav-bg: rgba(2, 9, 18, 0.82);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'JetBrains Mono', 'Cascadia Code', Menlo, monospace;
  --radius: 14px;
  --radius-sm: 9px;
  --max-w: 820px;
  color-scheme: dark;
}

html.light {
  --abyss: #e3eff9;
  --bg: #f3f8fd;
  --surface: rgba(20, 90, 160, 0.05);
  --surface-hover: rgba(20, 90, 160, 0.09);
  --line: rgba(20, 70, 130, 0.13);
  --line-strong: rgba(20, 100, 180, 0.32);
  --fish: #2f8fd8;
  --accent: #1a6fb5;
  --lure: #0b4f8a;
  --glow: rgba(50, 140, 220, 0.12);
  --text: #0a1f33;
  --text-mid: rgba(10, 31, 51, 0.76);
  --text-dim: rgba(10, 31, 51, 0.52);
  --code-bg: #e8f1fa;
  --code-text: #13324f;
  --tok-key: #1a5fa8;
  --tok-str: #1f7a3a;
  --tok-com: rgba(19, 50, 79, 0.5);
  --tok-tag: #b04a14;
  --nav-bg: rgba(243, 248, 253, 0.86);
  color-scheme: light;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--lure); }
img { max-width: 100%; }

/* ━━━ Nav ━━━ */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1080px; margin: 0 auto;
  padding: 10px 20px;
  display: flex; align-items: center; gap: 6px;
}
.nav-brand {
  display: flex; align-items: center; gap: 8px; margin-right: auto;
  color: var(--text); text-decoration: none; font-weight: 800;
  letter-spacing: 0.08em; font-size: 0.92rem;
}
.nav-brand img { width: 30px; height: 30px; }
.nav-link {
  color: var(--text-mid); text-decoration: none; font-size: 0.88rem; font-weight: 500;
  padding: 6px 10px; border-radius: 8px;
}
.nav-link:hover { color: var(--text); background: var(--surface); }
.nav-link[aria-current="page"] { color: var(--accent); }
.theme-toggle {
  background: transparent; border: 1px solid var(--line);
  color: var(--text-mid); cursor: pointer; margin-left: 4px;
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  display: grid; place-items: center; font-size: 14px;
}
.theme-toggle:hover { border-color: var(--line-strong); color: var(--text); }

/* ━━━ Layout ━━━ */
main {
  max-width: var(--max-w); margin: 0 auto;
  padding: 48px 24px 72px;
}
section { margin-bottom: 44px; }
h1, h2, h3 { color: var(--text); line-height: 1.25; }
h2 { font-size: 1.5rem; font-weight: 750; letter-spacing: -0.01em; margin-bottom: 12px; }
h3 { font-size: 1.08rem; font-weight: 650; margin: 26px 0 8px; }
p { color: var(--text-mid); margin-bottom: 14px; }
ul, ol { color: var(--text-mid); padding-left: 22px; margin-bottom: 14px; }
li { margin-bottom: 6px; }
strong { color: var(--text); }

/* ━━━ Hero ━━━ */
.hero { margin-bottom: 44px; }
.hero-eyebrow {
  display: inline-block;
  font-size: 0.72rem; font-weight: 650; letter-spacing: 0.16em;
  color: var(--accent); text-transform: uppercase;
  padding: 3px 10px; border: 1px solid var(--line-strong);
  border-radius: 100px; margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(2rem, 6vw, 2.9rem);
  font-weight: 850; letter-spacing: -0.025em;
  line-height: 1.08; margin-bottom: 16px;
}
.hero-sub { font-size: 1.12rem; max-width: 640px; margin-bottom: 24px; }
.cta-row { display: flex; gap: 10px; flex-wrap: wrap; }
.cta-primary, .cta-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: var(--radius-sm);
  text-decoration: none; font-weight: 650; font-size: 0.92rem;
}
.cta-primary { background: var(--fish); color: #021220; box-shadow: 0 4px 28px var(--glow); }
.cta-primary:hover { color: #021220; background: var(--accent); }
html.light .cta-primary { color: #fff; }
.cta-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--line); }
.cta-secondary:hover { color: var(--text); background: var(--surface-hover); border-color: var(--line-strong); }

/* ━━━ Code ━━━ */
pre {
  position: relative;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.82rem; line-height: 1.6;
  color: var(--code-text);
  margin: 12px 0 18px;
  tab-size: 2;
}
code { font-family: var(--mono); }
:not(pre) > code {
  font-size: 0.86em;
  background: var(--surface-hover);
  color: var(--lure);
  padding: 1px 6px; border-radius: 5px;
  overflow-wrap: anywhere;
}
html.light :not(pre) > code { color: var(--accent); }
.tok-k { color: var(--tok-key); }
.tok-s { color: var(--tok-str); }
.tok-c { color: var(--tok-com); font-style: italic; }
.tok-t { color: var(--tok-tag); }
.copy-btn {
  position: absolute; top: 8px; right: 8px;
  font: 600 0.7rem var(--font); color: var(--text-mid);
  background: var(--surface-hover); border: 1px solid var(--line);
  padding: 3px 9px; border-radius: 6px; cursor: pointer;
  opacity: 0; transition: opacity 0.15s;
}
pre:hover .copy-btn, .copy-btn:focus-visible { opacity: 1; }
@media (hover: none) { .copy-btn { opacity: 1; } }

/* ━━━ Callouts ━━━ */
.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--fish);
  border-radius: var(--radius-sm);
  padding: 14px 18px; margin: 20px 0;
  font-size: 0.92rem; color: var(--text-mid);
}
.callout p:last-child { margin-bottom: 0; }
/* The fish gives the tips */
.tip {
  display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 18px; margin: 22px 0;
  font-size: 0.92rem;
}
.tip img { width: 44px; height: 44px; }
.tip p { margin: 0; }
.tip p + p { margin-top: 8px; }

/* ━━━ Tables ━━━ */
.table-wrap { overflow-x: auto; margin: 14px 0 20px; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; vertical-align: top; padding: 9px 12px; border-bottom: 1px solid var(--line); color: var(--text-mid); }
th { color: var(--text); font-weight: 600; font-size: 0.8rem; }
td:first-child code { white-space: nowrap; }
section > table { display: block; overflow-x: auto; }
@media (max-width: 640px) {
  table.stack, table.stack tbody, table.stack tr, table.stack td { display: block; }
  table.stack thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  table.stack tr { padding: 12px 0; border-bottom: 1px solid var(--line); }
  table.stack td { border: 0; padding: 2px 0; }
  table.stack td:first-child { padding-bottom: 6px; color: var(--text); font-weight: 600; }
  table.stack td:empty { display: none; }
  table.stack td[data-label]::before { content: attr(data-label) " · "; color: var(--text-dim); font-size: 0.8rem; font-weight: 600; }
}

/* ━━━ Final CTA ━━━ */
/* Why Zumly: a short list, in the demo and on Learn */
.why-list { max-width: 640px; margin: 0 auto; padding-left: 1.2em; display: grid; gap: 10px; font-size: 1rem; color: var(--text-mid); text-align: left; }

/* File name above a code block */
.code-file { margin: 18px 0 -8px; font: 600 0.78rem var(--mono); color: var(--text-dim); }

.final-cta {
  margin-top: 56px; padding: 32px 24px;
  background: radial-gradient(ellipse at top, var(--glow), transparent 70%), var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  text-align: center;
}
.final-cta h3 { font-size: 1.35rem; margin: 0 0 8px; }
.final-cta p { margin-bottom: 18px; }
.final-cta .cta-row { justify-content: center; }

/* ━━━ Learn path ━━━ */
.step-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.step-dots { display: flex; gap: 5px; }
.step-dots a {
  width: 22px; height: 6px; border-radius: 3px; background: var(--line);
}
.step-dots a.is-done { background: var(--line-strong); }
.step-dots a[aria-current="step"] { background: var(--fish); }
.demo {
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  overflow: hidden; margin: 8px 0 28px; background: var(--abyss);
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.25);
}
.demo-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 12px; border-bottom: 1px solid var(--line);
  font-size: 0.78rem; color: var(--text-dim); background: var(--surface);
}
.demo-bar span { margin-right: auto; }
.demo-bar a, .demo-bar button {
  font: 600 0.76rem var(--font); color: var(--accent); background: none; border: 0;
  cursor: pointer; text-decoration: none; padding: 2px 4px;
}
.demo-switch { display: flex; align-items: center; gap: 5px; font-weight: 600; color: var(--text); cursor: pointer; }
.demo iframe { display: block; width: 100%; height: 420px; border: 0; background: #fff; }
.demo-hint { font-size: 0.86rem; color: var(--text-dim); margin: -18px 0 28px; }

/* Option pickers under a live example (guides/navigation.html) */
.config { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; margin: -12px 0 12px; }
.config fieldset { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin: 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.config legend { padding: 0 6px; font-size: 0.8rem; font-weight: 600; color: var(--text); }
.config label { display: inline-flex; gap: 6px; align-items: center; font-size: 0.86rem; color: var(--text-mid); }
.config select { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line-strong); border-radius: 8px; padding: 3px 6px; }
.config :disabled { opacity: 0.45; }
.step-list { list-style: none; padding: 0; display: grid; gap: 10px; counter-reset: step; }
.step-list li { margin: 0; }
.step-list a {
  display: grid; grid-template-columns: 40px 1fr; gap: 4px 14px; align-items: center;
  padding: 14px 16px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  text-decoration: none; color: var(--text);
}
.step-list a:hover { background: var(--surface-hover); border-color: var(--line-strong); color: var(--text); }
.step-list a::before {
  counter-increment: step; content: counter(step);
  grid-row: span 2; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800;
  color: var(--fish); border: 2px solid var(--line-strong);
}
.step-list strong { font-size: 1rem; }
.step-list span { font-size: 0.88rem; color: var(--text-dim); }
.pager {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 48px;
}
.pager a {
  display: block; padding: 14px 16px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface);
  text-decoration: none; color: var(--text); font-weight: 650;
}
.pager a:hover { border-color: var(--line-strong); color: var(--text); }
.pager small { display: block; font-weight: 500; color: var(--text-dim); font-size: 0.78rem; }
.pager .next { grid-column: 2; text-align: right; }

.code-label { font-size: 0.86rem; color: var(--text-dim); margin: 18px 0 -4px; }
.learn-hero { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.learn-fish { width: 220px; height: auto; filter: drop-shadow(0 0 40px var(--glow)); }
.guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 12px; }
.guide-card {
  padding: 16px 18px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
}
.guide-card h3 { margin: 0 0 4px; }
.guide-card p { font-size: 0.9rem; margin-bottom: 8px; }
.guide-card p:last-child { margin-bottom: 0; }

/* ━━━ Footer ━━━ */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--abyss);
  font-size: 0.88rem; color: var(--text-dim);
}
.footer-inner { max-width: 1080px; margin: 0 auto; padding: 36px 20px 40px; }
.footer-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
  margin-bottom: 28px;
}
.footer-grid h4 {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim); margin-bottom: 10px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 6px; }
.footer-grid a { color: var(--text-mid); text-decoration: none; }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom { display: flex; align-items: center; gap: 10px; padding-top: 18px; border-top: 1px solid var(--line); }
.footer-bottom img { width: 26px; height: 26px; }
.footer-bottom a { color: var(--text-mid); }
.footer-bottom .footer-sponsor { margin-left: auto; color: #e0447a; font-weight: 600; }

/* Sponsor link: the one warm color on the site */
.nav-sponsor { margin-left: 4px; padding: 6px 12px; border-radius: 99px; font-size: 0.84rem; font-weight: 600; color: #e0447a; border: 1px solid color-mix(in srgb, #e0447a 40%, transparent); }
.nav-sponsor:hover { background: color-mix(in srgb, #e0447a 12%, transparent); }
.nav-sponsor span, .home-sponsor span { color: #e0447a; }

@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  main { padding: 32px 16px 56px; }
  .nav-inner { padding: 8px 12px; gap: 0; }
  .nav-brand span { display: none; }
  .nav-link { padding: 6px 8px; font-size: 0.84rem; }
  .nav-link.nav-gh { display: none; }
  .nav-sponsor { padding: 5px 9px; }
  .hero { margin-bottom: 32px; }
  .hero-sub { font-size: 1.02rem; }
  pre { font-size: 0.76rem; padding: 14px; margin-left: -4px; margin-right: -4px; }
  .demo iframe { height: 380px; }
  .learn-hero { grid-template-columns: 1fr; }
  .learn-fish { order: -1; width: 120px; }
  .tip { grid-template-columns: 34px 1fr; gap: 10px; padding: 12px 14px; }
  .tip img { width: 34px; height: 34px; }
  .pager { grid-template-columns: 1fr; }
  .pager .next { grid-column: 1; }
  .footer-inner { padding: 28px 16px 32px; }
}

/* ━━━ API reference (api.html, also shown inside the demo) ━━━ */
.page-sub { font-size: 1.05rem; margin-bottom: 18px; }
.api-toc { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 40px; padding: 0; list-style: none; }
.api-toc li { margin: 0; }
.api-toc a {
  display: block; padding: 4px 12px; border-radius: 99px; font-size: 0.84rem;
  border: 1px solid var(--line); background: var(--surface); color: var(--text-mid); text-decoration: none;
}
.api-toc a:hover { border-color: var(--line-strong); color: var(--text); }
section > .desc { color: var(--text-dim); margin-bottom: 18px; }
.api-entry {
  margin: 18px 0 26px; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--surface);
}
.api-entry-header {
  padding: 12px 18px; border-bottom: 1px solid var(--line);
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
}
.api-name { font-family: var(--mono); font-size: 0.95rem; font-weight: 700; color: var(--accent); }
.api-type, .api-default { font-family: var(--mono); font-size: 0.74rem; color: var(--text-dim); }
.api-type { background: var(--surface-hover); padding: 1px 8px; border-radius: 5px; }
.api-desc { padding: 12px 18px; font-size: 0.9rem; color: var(--text-mid); }
section[id] { scroll-margin-top: 64px; }