/* ============================================================
   Lazyweb Blueprint design system — for standalone server-rendered
   marketing/reference pages (/research, /company, /flow, /vs, …).
   Mirrors the React app's shipped visual language (web/marketing/src/index.css
   + DESIGN.md): white + dot grid, black ink & borders, white cards,
   a single orange command accent, display + mono type. This REPLACES the
   retired warm/cream/Nunito shared-pages.css look on these surfaces.
   ============================================================ */

:root {
  --bg: #ffffff;
  --ink: #000000;
  --ink-secondary: #444444;
  --ink-muted: #888888;
  --accent: #ff6b00;
  --accent-soft: rgba(255, 107, 0, 0.08);
  --line: #000000;
  --line-soft: rgba(0, 0, 0, 0.14);
  --card: #ffffff;
  --img-well: #f6f3ef;
  --dot: #d4d4d4;
}

* { box-sizing: border-box; }

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

body.bp {
  margin: 0;
  background-color: var(--bg);
  background-image: radial-gradient(circle, var(--dot) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.bp a { color: var(--ink); }

.bp-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.bp-narrow { max-width: 760px; }

/* ---- top nav ------------------------------------------------ */
.bp-nav {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(6px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.bp-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 56px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.bp-brand {
  font-family: "Plus Jakarta Sans", var(--display, sans-serif), sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 17px;
  text-decoration: none;
  color: var(--ink);
}
.bp-nav-links { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.bp-nav-links a {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--ink-secondary);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid transparent;
}
.bp-nav-links a:hover { border-color: var(--line); color: var(--ink); }
.bp-nav-links a[aria-current="page"] { border-color: var(--line); color: var(--ink); }

/* ---- type --------------------------------------------------- */
.bp-eyebrow {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  margin: 0 0 12px;
}
.bp-h1 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.03;
  font-size: clamp(30px, 5vw, 52px);
  margin: 0 0 16px;
}
.bp-h2 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 800;
  letter-spacing: -0.015em;
  font-size: 22px;
  margin: 0 0 12px;
}
.bp-lede { font-size: 19px; color: var(--ink-secondary); margin: 0 0 8px; line-height: 1.5; }
.bp-breadcrumb {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 20px;
}
.bp-breadcrumb a { color: var(--ink-muted); text-decoration: none; border-bottom: 1px solid var(--line-soft); }
.bp-breadcrumb a:hover { color: var(--ink); }

.bp-section { margin: 0 0 32px; }
.bp-section p { margin: 0 0 12px; }
.bp-meta-line { font-family: ui-monospace, monospace; font-size: 12px; color: var(--ink-muted); margin: 0 0 20px; }

/* ---- answer / hero callout --------------------------------- */
.bp-answer {
  font-size: 19px;
  font-weight: 600;
  border: 1px solid var(--line);
  background: var(--card);
  padding: 18px 20px;
  margin: 0 0 16px;
}
.bp-quote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 16px;
  margin: 0 0 24px;
  font-size: 16px;
  color: var(--ink-secondary);
  font-style: italic;
}

/* ---- tags --------------------------------------------------- */
.bp-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 24px; }
.bp-tag {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  text-transform: uppercase;
  border: 1px solid var(--line-soft);
  background: var(--card);
  color: var(--ink-secondary);
  padding: 4px 8px;
}

/* ---- image well (screenshots) ------------------------------ */
.bp-figure { border: 1px solid var(--line); background: var(--card); margin: 0 0 24px; }
.bp-well {
  display: flex;
  gap: 12px;
  padding: 14px;
  background: var(--img-well);
  overflow-x: auto;
}
.bp-shot {
  flex: 0 0 auto;
  border: 1px solid var(--line-soft);
  background: #fff;
  max-height: 460px;
}
.bp-shot img { display: block; height: 100%; max-height: 458px; width: auto; object-fit: contain; }
.bp-shot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  padding: 14px;
  background: var(--img-well);
}
.bp-shot-grid .bp-shot { width: 100%; max-height: none; aspect-ratio: 9 / 16; }
.bp-shot-grid .bp-shot img { width: 100%; height: 100%; max-height: none; }
.bp-figcaption {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--ink-muted);
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
}
.bp-figcaption strong { color: var(--ink-secondary); font-weight: 600; }

/* ---- tables ------------------------------------------------- */
.bp-table-wrap { overflow-x: auto; margin: 0 0 12px; border: 1px solid var(--line); }
.bp-table { border-collapse: collapse; width: 100%; font-size: 14px; }
.bp-table th, .bp-table td { border-bottom: 1px solid var(--line-soft); padding: 9px 14px; text-align: left; vertical-align: top; }
.bp-table th { background: #fafafa; font-weight: 700; border-bottom: 1px solid var(--line); }
.bp-table tr:last-child td { border-bottom: none; }
.bp-stat-val { font-weight: 800; white-space: nowrap; }

/* ---- lists / footnotes ------------------------------------- */
.bp-list { margin: 0 0 12px; padding-left: 20px; }
.bp-list li { margin: 0 0 6px; }
.bp-fn { font-size: 0.72em; }
.bp-fn a { color: var(--accent); text-decoration: none; }
.bp-fn-back { text-decoration: none; color: var(--ink-muted); }
.bp-citations { font-size: 14px; color: var(--ink-secondary); padding-left: 20px; }
.bp-citations li { margin: 0 0 8px; }
.bp-methodology {
  font-size: 13px;
  color: var(--ink-secondary);
  background: #fafafa;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--ink);
  padding: 14px 16px;
  margin: 0 0 24px;
}
.bp-source-note { font-family: ui-monospace, monospace; font-size: 12px; color: var(--ink-muted); margin-top: 14px; }

/* ---- cards / grids (hubs) ---------------------------------- */
.bp-grid { display: grid; gap: 12px; }
.bp-grid-2 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.bp-grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* Publisher-selected experiment evidence; screenshots retain their full frame. */
.research-jump-links { display: flex; gap: 12px 24px; flex-wrap: wrap; }
#growth-positioning, #paywall-experiments, #research-system, #growth-capabilities { scroll-margin-top: 80px; }
.research-task > section, .research-task > div { margin-bottom: 36px; }
.research-experiment-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 28px; }
.research-experiment { min-width: 0; border-top: 1px solid var(--line); padding-top: 16px; }
.research-experiment h3 { margin: 0 0 16px; font-size: 21px; line-height: 1.3; }
.research-example-label, .research-capture-links { font-family: ui-monospace, monospace; font-size: 12px; }
.research-example-label { color: var(--ink-secondary); }
.research-screen-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.research-screen-pair figure { margin: 0; min-width: 0; }
.research-screen-pair figcaption { font-size: 12px; margin-bottom: 8px; }
.research-screen-pair time { display: block; color: var(--ink-secondary); font-family: ui-monospace, monospace; }
.research-screen-pair img { display: block; width: 100%; height: auto; }
.research-experiment details { margin-bottom: 12px; }
.research-experiment summary, .research-detail summary, #growth-positioning summary { cursor: pointer; padding: 8px 0; font-weight: 600; }
.research-task .research-system-image { display: block; width: 100%; height: auto; }
.research-system-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; padding: 0; list-style-position: inside; }
.research-system-steps h4 { display: inline; font-size: 16px; }
.research-system-steps p { margin-top: 8px; font-size: 14px; }
.research-capabilities td:first-of-type { background: var(--accent-soft); }
.research-detail { border-top: 1px solid var(--line-soft); padding: 12px 0; }
@media (max-width: 640px) {
  #growth-positioning, #paywall-experiments, #research-system, #growth-capabilities { scroll-margin-top: 170px; }
  .research-experiment-grid { grid-template-columns: minmax(0, 1fr); }
  .research-system-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .research-capabilities { min-width: 0; }
  .research-capabilities thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .research-capabilities tr, .research-capabilities th, .research-capabilities td { display: block; width: 100%; }
  .research-capabilities tr { margin-bottom: 16px; }
  .research-capabilities td::before { content: attr(data-label); display: block; font-weight: 700; margin-bottom: 4px; }
}
.bp-card {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 16px;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.12s ease;
  display: block;
}
a.bp-card:hover { background: rgba(0, 0, 0, 0.03); }
.bp-card h3 { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 17px; margin: 0 0 6px; letter-spacing: -0.01em; }
.bp-card p { font-size: 14px; color: var(--ink-secondary); margin: 0; }
.bp-card-meta { font-family: ui-monospace, monospace; font-size: 12px; color: var(--ink-muted); }

/* directory row (question + snippet) */
.bp-row {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 14px 16px;
  text-decoration: none;
  color: var(--ink);
  display: block;
  transition: background 0.12s ease;
}
.bp-row:hover { background: rgba(0, 0, 0, 0.03); }
.bp-row h3 { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 17px; margin: 0 0 4px; letter-spacing: -0.01em; }
.bp-row p { font-size: 14px; color: var(--ink-secondary); margin: 0; }

/* ---- related / cta ----------------------------------------- */
.bp-related { padding-left: 20px; }
.bp-related li { margin: 0 0 8px; }
.bp-cta {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
  background: var(--ink); color: #fff; padding: 20px 24px; margin: 8px 0 28px;
}
.bp-cta a { background: #fff; color: var(--ink); padding: 10px 16px; font-weight: 700; text-decoration: none; white-space: nowrap; border: 1px solid var(--ink); }
.bp-cta a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---- pagination -------------------------------------------- */
.bp-pager { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 24px 0 8px; font-family: ui-monospace, monospace; font-size: 13px; }
.bp-pager a, .bp-pager span { border: 1px solid var(--line); padding: 8px 12px; text-decoration: none; color: var(--ink); }
.bp-pager a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.bp-pager .bp-pager-cur { background: var(--ink); color: #fff; }

/* ---- footer ------------------------------------------------ */
.bp-footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 24px; font-family: ui-monospace, monospace; font-size: 12px; color: var(--ink-muted); }
.bp-footer nav { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 10px; }
.bp-footer a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line-soft); }
.bp-footer a:hover { border-color: var(--line); }

.bp-main { padding: 40px 0 20px; }
code { background: #f2f2f2; border-radius: 3px; padding: 1px 5px; font-size: 0.9em; font-family: ui-monospace, monospace; }

@media (max-width: 640px) {
  .bp-main { padding: 24px 0 12px; }
  .bp-nav-inner { height: auto; padding: 8px 16px; flex-wrap: wrap; }
}

/* compact long-tail category link cluster (hub pages) */
.bp-catlinks { font-family: ui-monospace, monospace; font-size: 12.5px; line-height: 2; color: var(--ink-secondary); }
.bp-catlinks a { color: var(--ink-secondary); text-decoration: none; border-bottom: 1px solid var(--line-soft); margin-right: 14px; white-space: nowrap; }
.bp-catlinks a:hover { color: var(--ink); border-color: var(--line); }

/* chart primitives (blueprint-charts.js) */
.bp-chart { border: 1px solid var(--line); background: var(--card); padding: 16px; margin: 0 0 24px; }
.bp-chart-title { font-family: ui-monospace, monospace; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--ink-muted); margin: 0 0 12px; }
.bp-chart-note { font-family: ui-monospace, monospace; font-size: 12px; color: var(--ink-muted); margin: 10px 0 0; }
.bp-chart svg { display: block; max-width: 100%; height: auto; }
.bp-chart-matrix svg { max-width: 460px; margin: 0 auto; }
.bp-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Public-page tools stay beside, never inside, a whole-card link. */
.bp-card-with-tools{display:flex;flex-direction:column;gap:8px;min-width:0}
.bp-card-with-tools>.bp-card{flex:1}

/* Native downloads on public reference pages; no client runtime required. */
.bp [data-public-downloads]{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px}
.bp [data-public-downloads] a{display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;box-sizing:border-box;border:1px solid #000;background:#fff;color:#000;font:600 12px Inter,sans-serif;text-decoration:none}
.bp [data-public-downloads] a:hover{background:#ff6b00}
.bp [data-public-downloads] a:focus-visible{outline:2px solid #ff6b00;outline-offset:3px}