/* Camunda brand layer for the explainers. Loaded after each page's own <style>.
   Tokens from the Camunda brand library (generate-deck skill, references/tokens.md). */
@import url(./fonts.css);

:root {
  /* Neutrals */
  --ink: #1b1b1b; --muted: #6f6f6f; --caption: #a4a4a4; --line: #e8e8e8;
  --bg: #ffffff; --paper: #f5f3ed; --sand-100: #dfddd8;
  /* Brand tints (fills, black text) and 500s (small accents) */
  --orange-500: #fc5d0d; --orange-400: #ff905c;
  --purple-500: #6967ff; --purple-400: #8785ff;
  --green-400: #d5f37b; --green-600: #a8c54d;
  /* Roles used across the chapters */
  --human: var(--orange-400); --agent: var(--purple-400); --accent: var(--orange-500);
  --review: var(--green-400); --vision: var(--orange-400); --valid: var(--green-400); --struct: var(--sand-100);
  --l1: var(--purple-400); --l2: var(--green-400); --l3: var(--orange-400); --l4: #e03131;
  /* Functional status colours (kept distinct for meaning) */
  --ok: #3f8a1e; --warn: var(--orange-500); --bad: #e03131;
}

body { background: var(--bg); color: var(--ink); font-weight: 400; }
h1, h2, h3, .body h3 { font-family: var(--font-head); font-weight: 400; letter-spacing: -.2px; }
h1 { letter-spacing: -.8px; }
b, strong { font-weight: 600; }

/* Eyebrow: Poppins Medium, uppercase, tracked, with the orange square marker */
.kicker { font-weight: 500 !important; letter-spacing: 2px !important; opacity: 1 !important; color: var(--muted); }
.kicker::before { content: ''; display: inline-block; width: 8px; height: 8px; background: var(--orange-500); margin-right: 10px; vertical-align: 1px; }

/* Square corners and no drop shadows, everywhere */
*, *::before, *::after { border-radius: 0 !important; box-shadow: none !important; }

/* Header and section dots */
header.top { background: linear-gradient(var(--bg) 65%, transparent); }
header.top .brand { font-family: var(--font-head); font-weight: 400; font-size: 21px; }
header.top .brand span { font-family: var(--font-body); }
nav.dots a.on { background: var(--orange-500); }
.pill { font-weight: 500; background: var(--ink); }
.pill.ghost { border-width: 1.5px; }

/* Tiles and cards: Sand 50 on white, black text on every tint */
.card, .chart, .conv, .moles, .heat, .lanes, .ratchet, .drift, .fan, .regen, .runs, .retry, .methods, .budget,
.rung, .step, .shape, .out, .stream, .sp, .commit, .lv, .eyes3 li, ul.qs li { background-color: var(--paper); }
.tag, .actor, .where, .rung .n, .stream .w, .fan .node, .stage.p, .stage.f, .stage.w, .lv .where, .status,
.reports span, .rounds i.zero, .verdict { color: var(--ink) !important; }
.card.no, .card.soon, .rung.weak, .commit.bad { background: transparent !important; }

/* Chapter openers use the cover arc (no logo: the logo lives on the contents cover only) */
body > section:first-of-type { background: url(./cover.jpg) center bottom / cover no-repeat; }
body > section:first-of-type .scroll-hint { color: #fff; opacity: .9; }

/* Text highlights need the darker shades: tints are for fills only */
.hl-v { color: var(--orange-500) !important; }
.hl-a { color: var(--purple-500) !important; }
.hl-c { color: #5f8a17 !important; }
.hl-s, ul.rules b { color: var(--ink) !important; text-decoration: underline 2px var(--orange-500); text-underline-offset: 3px; }
.rung.ok, .stack .base, .stack .row > div, .band > div, .verbs span { color: var(--ink) !important; }

.question { font-family: var(--font-head); font-weight: 400 !important; }

/* Interactivity hints: mark a control with data-hint="…" and load brand/hints.js.
   It pulses and carries a "Try it" label until the reader first uses it. */
@keyframes hint-pulse { 0% { outline-color: rgba(252,93,13,.95); outline-offset: 2px; } 70% { outline-color: rgba(252,93,13,0); outline-offset: 12px; } 100% { outline-color: rgba(252,93,13,0); outline-offset: 2px; } }
.hint-pulse { outline: 3px solid rgba(252,93,13,.95); animation: hint-pulse 1.6s ease-out infinite; }
.try-it { display: block; width: fit-content; margin: 14px 0 8px; padding: 4px 10px; font-size: 12.5px; font-weight: 500; letter-spacing: .3px; color: var(--ink); background: rgba(252,93,13,.12); border-left: 3px solid var(--orange-500); transition: opacity .4s; }
.try-it.done { opacity: 0; }
@media (prefers-reduced-motion: reduce) { .hint-pulse { animation: none; } }