/* CardOps blog — self-contained brand stylesheet for the STATIC guide pages.
   These pages are plain HTML in public/ (not Vite-processed), so this file
   inlines the brand tokens from src/styles/tokens.css and self-hosts the three
   brand fonts. Keep visual parity with the React site: cream paper body, navy
   header/footer bands, amber accents, Bricolage/Archivo/Martian Mono. */

/* ---- Fonts (self-hosted variable woff2 — satisfies the Worker CSP font-src 'self') ---- */
@font-face {
  font-family: "Bricolage Grotesque Variable";
  src: url("/blog/assets/fonts/bricolage-grotesque.woff2") format("woff2");
  font-weight: 200 800;
  font-stretch: 75% 100%;
  font-display: swap;
}
@font-face {
  font-family: "Archivo Variable";
  src: url("/blog/assets/fonts/archivo.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}
@font-face {
  font-family: "Martian Mono Variable";
  src: url("/blog/assets/fonts/martian-mono.woff2") format("woff2");
  font-weight: 100 800;
  font-stretch: 75% 112%;
  font-display: swap;
}

:root {
  --navy: oklch(0.262 0.092 285);
  --navy-2: oklch(0.322 0.09 285);
  --navy-900: oklch(0.14 0.03 285);
  --cream: oklch(0.978 0.012 92);
  --paper: oklch(0.988 0.007 92);
  --paper-2: oklch(0.963 0.012 92);
  --amber: oklch(0.79 0.155 72);
  --amber-deep: oklch(0.72 0.15 64);
  --amber-soft: oklch(0.93 0.06 82);
  --indigo: oklch(0.515 0.205 274);
  --indigo-2: oklch(0.72 0.125 279);
  --grad-a: oklch(0.76 0.125 300);
  --grad-b: oklch(0.5 0.2 300);
  --ink: oklch(0.262 0.092 285);
  --ink-2: oklch(0.42 0.06 285);
  --ink-3: oklch(0.485 0.045 285);
  --on-amber: oklch(0.24 0.08 285);
  --on-navy: oklch(0.965 0.008 92);
  --on-navy-2: oklch(0.8 0.035 285);
  --line: color-mix(in oklch, var(--ink) 12%, transparent);
  --line-strong: color-mix(in oklch, var(--ink) 20%, transparent);
  --line-navy: color-mix(in oklch, white 13%, transparent);

  --font-display: "Bricolage Grotesque Variable", "Archivo Variable", system-ui, sans-serif;
  --font-body: "Archivo Variable", system-ui, sans-serif;
  --font-mono: "Martian Mono Variable", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --text-h1: clamp(2.1rem, 1.5rem + 2.6vw, 3.15rem);
  --text-h2: clamp(1.5rem, 1.2rem + 1.3vw, 2rem);
  --text-h3: clamp(1.2rem, 1.05rem + 0.7vw, 1.45rem);
  --text-lead: clamp(1.1rem, 1.02rem + 0.45vw, 1.3rem);
  --text-body: 1.0625rem;
  --text-sm: 0.9rem;
  --text-xs: 0.78rem;

  --gutter: clamp(1.25rem, 0.5rem + 3vw, 2.5rem);
  --measure: 68ch;
  --maxw: 1140px;
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-pill: 999px;
  --shadow-sm: 0 1px 2px oklch(0.26 0.09 285 / 0.07), 0 2px 8px oklch(0.26 0.09 285 / 0.06);
  --shadow-md: 0 6px 18px oklch(0.26 0.09 285 / 0.1), 0 14px 34px oklch(0.26 0.09 285 / 0.1);
  --dur-fast: 130ms;
  --dur-mid: 240ms;
  --ease: cubic-bezier(0.25, 1, 0.5, 1);
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  font-weight: 420;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv01";
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.1;
  font-weight: 800;
  text-wrap: balance;
  color: var(--ink);
  letter-spacing: -0.02em;
}

a { color: var(--indigo); text-decoration-thickness: 1.5px; text-underline-offset: 2px; }
a:hover { color: var(--ink); }

::selection { background: var(--amber); color: var(--on-amber); }

:where(a, button, [tabindex]):focus-visible {
  outline: 3px solid var(--indigo);
  outline-offset: 3px;
  border-radius: 4px;
}

.bwrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.bskip {
  position: absolute; left: 1rem; top: -100%; z-index: 300;
  background: var(--ink); color: var(--paper); padding: 0.6rem 1rem; border-radius: var(--r-sm);
  transition: top var(--dur-mid) var(--ease);
}
.bskip:focus { top: 1rem; color: var(--paper); }

/* ---- Header (navy band, mirrors site-header--dark) ---- */
.bh { background: var(--navy); border-bottom: 1px solid var(--line-navy); }
.bh__row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.bwordmark {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-display); font-weight: 800; font-size: 1.2rem;
  color: var(--on-navy); text-decoration: none; letter-spacing: -0.02em;
}
.bwordmark img { width: 40px; height: 40px; }
.bh__nav { display: flex; gap: clamp(0.9rem, 2vw, 1.6rem); font-size: var(--text-sm); font-weight: 600; }
.bh__nav a { color: var(--on-navy-2); text-decoration: none; }
.bh__nav a:hover { color: var(--on-navy); }

/* ---- Article ---- */
.article { padding-block: clamp(2.25rem, 1.5rem + 3vw, 4rem); }
.article__head { max-width: var(--measure); margin-inline: auto; }
.breadcrumb {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.02em;
  color: var(--ink-3); margin-bottom: 1.1rem; display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center;
}
.breadcrumb a { color: var(--ink-3); text-decoration: none; }
.breadcrumb a:hover { color: var(--indigo); }
.breadcrumb span { opacity: 0.5; }

.eyebrow {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--indigo); font-weight: 600;
}
.article__head h1 { font-size: var(--text-h1); margin-top: 0.6rem; }
.article__meta {
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-3);
  margin-top: 1rem; display: flex; gap: 0.75rem; flex-wrap: wrap;
}
.article__meta span { display: inline-flex; align-items: center; gap: 0.4rem; }

.prose { max-width: var(--measure); margin-inline: auto; margin-top: 2rem; }
.prose > .lead { font-size: var(--text-lead); color: var(--ink-2); line-height: 1.55; }
.prose h2 { font-size: var(--text-h2); margin-top: 2.4rem; margin-bottom: 0.75rem; }
.prose h3 { font-size: var(--text-h3); margin-top: 1.8rem; margin-bottom: 0.6rem; }
.prose p { margin-block: 0.9rem; }
.prose ul, .prose ol { margin-block: 0.9rem; padding-left: 1.4rem; }
.prose li { margin-block: 0.35rem; }
.prose li::marker { color: var(--amber-deep); }
.prose strong { font-weight: 680; color: var(--ink); }
.prose a { color: var(--indigo); }
.prose blockquote {
  margin: 1.4rem 0; padding: 0.4rem 0 0.4rem 1.2rem;
  border-left: 3px solid var(--amber); color: var(--ink-2); font-style: italic;
}
.prose code {
  font-family: var(--font-mono); font-size: 0.86em; background: var(--paper-2);
  padding: 0.12em 0.4em; border-radius: var(--r-sm); border: 1px solid var(--line);
}
.prose pre { overflow-x: auto; background: var(--navy-900); color: var(--on-navy); padding: 1rem 1.2rem; border-radius: var(--r-md); margin-block: 1.2rem; }
.prose pre code { background: none; border: 0; color: inherit; padding: 0; }
.prose figure { margin-block: 1.4rem; }
.prose figcaption { font-size: var(--text-sm); color: var(--ink-3); margin-top: 0.5rem; }
.prose .table-wrap { overflow-x: auto; margin-block: 1.4rem; }
.prose table { border-collapse: collapse; width: 100%; font-size: var(--text-sm); }
.prose th, .prose td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line); }
.prose th { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-3); }

/* Numeric callout, mono like the app */
.prose .tabular { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }

/* ---- Card spotlight panel ---- */
.spot__panel {
  max-width: var(--measure);
  margin: 2rem auto 0;
  display: grid;
  grid-template-columns: minmax(180px, 260px) 1fr;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: start;
  padding: clamp(1.1rem, 2vw, 1.6rem);
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.spot__media { margin: 0; }
.spot__media img {
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
}
.spot__facts { display: flex; flex-direction: column; gap: 1rem; }
.spot__subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--indigo);
}
.spot__specs { display: grid; gap: 0.5rem; margin: 0; }
.spot__specs > div { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); padding-bottom: 0.45rem; }
.spot__specs dt { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-3); }
.spot__specs dd { margin: 0; font-weight: 600; }
.spot__price {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.9rem 1.1rem;
  background: var(--navy);
  color: var(--on-navy);
  border-radius: var(--r-md);
}
.spot__price-label { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--indigo-2); }
.spot__price-value { font-family: var(--font-mono); font-size: 1.85rem; font-weight: 700; color: var(--amber); line-height: 1; }
.spot__price-asof { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--on-navy-2); }
.spot__attr { font-size: var(--text-xs); color: var(--ink-3); line-height: 1.5; }
@media (max-width: 560px) {
  .spot__panel { grid-template-columns: 1fr; }
  .spot__media { max-width: 260px; margin-inline: auto; }
}

/* ---- FAQ ---- */
.faq { max-width: var(--measure); margin: 3rem auto 0; }
.faq h2 { font-size: var(--text-h2); margin-bottom: 1rem; }
.faq details { border-top: 1px solid var(--line); padding: 0.9rem 0; }
.faq details[open] summary { color: var(--indigo); }
.faq summary {
  cursor: pointer; font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: baseline;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--amber-deep); font-family: var(--font-mono); }
.faq details[open] summary::after { content: "\2013"; }
.faq details > *:not(summary) { margin-top: 0.6rem; color: var(--ink-2); }

/* ---- Related ---- */
.related { max-width: var(--measure); margin: 3rem auto 0; }
.related h2 { font-size: var(--text-h3); margin-bottom: 0.8rem; }
.related ul { list-style: none; padding: 0; display: grid; gap: 0.5rem; }
.related a { font-weight: 600; }

/* ---- End CTA ---- */
.article-cta {
  max-width: var(--measure); margin: 3.5rem auto 0; padding: 1.75rem;
  background: var(--navy); color: var(--on-navy); border-radius: var(--r-lg); text-align: center;
}
.article-cta h2 { color: var(--on-navy); font-size: var(--text-h3); }
.article-cta p { color: var(--on-navy-2); margin: 0.6rem auto 1.1rem; max-width: 44ch; }
.btn-amber {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.85rem 1.4rem;
  background: var(--amber); color: var(--on-amber); font-weight: 700; border-radius: var(--r-md);
  text-decoration: none; box-shadow: var(--shadow-sm); transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.btn-amber:hover { background: var(--amber-deep); color: var(--on-amber); transform: translateY(-2px); }

/* ---- Hub (index) ---- */
.hub { padding-block: clamp(2.25rem, 1.5rem + 3vw, 4rem); }
.hub__head { max-width: var(--measure); }
.hub__head h1 { font-size: var(--text-h1); margin-top: 0.5rem; }
.hub__head p { color: var(--ink-2); font-size: var(--text-lead); margin-top: 0.9rem; max-width: 60ch; }
.hub__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.2rem; margin-top: 2.4rem; }
.card {
  display: flex; flex-direction: column; gap: 0.6rem; padding: 1.4rem;
  background: var(--cream); border: 1px solid var(--line); border-radius: var(--r-lg);
  text-decoration: none; color: var(--ink); transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-mid) var(--ease), border-color var(--dur-fast) var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--line-strong); color: var(--ink); }
.card__theme {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--indigo); font-weight: 600;
}
.card h2 { font-size: 1.2rem; line-height: 1.2; }
.card p { color: var(--ink-2); font-size: var(--text-sm); }
.card__meta { margin-top: auto; font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-3); }
.hub__empty { margin-top: 2rem; color: var(--ink-2); }

/* ---- Footer (navy band, mirrors site-footer) ---- */
.bfoot { background: var(--navy-900); color: var(--on-navy); padding-block: clamp(2.5rem, 1.5rem + 3vw, 4rem); margin-top: clamp(3rem, 2rem + 4vw, 5rem); }
.bfoot__top { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
.bfoot__tag { color: var(--on-navy-2); max-width: 40ch; margin-top: 0.8rem; font-size: var(--text-sm); }
.bfoot__links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; align-items: flex-start; }
.bfoot__links a { color: var(--on-navy-2); text-decoration: none; font-size: var(--text-sm); font-weight: 600; }
.bfoot__links a:hover { color: var(--on-navy); }
.bfoot__legal { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--line-navy); display: grid; gap: 0.6rem; color: var(--on-navy-2); font-size: var(--text-xs); line-height: 1.5; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}