/* Colour tokens, body text and .wrap/.wide come from the site theme (style.css) */
:root {
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
html { scroll-padding-top: calc(env(safe-area-inset-top, 0px) + 1rem); }

h1, h2, h3, .sans {
  font-family: "Bricolage Grotesque", system-ui, -apple-system, "Segoe UI", sans-serif;
}
h1 {
  font-size: clamp(2.1rem, 5.4vw, 3.5rem);
  line-height: 1.07;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
  max-width: 22ch;
  text-wrap: balance;
}
h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 1.4rem;
  text-wrap: balance;
}
h3 { font-size: 1.05rem; font-weight: 700; margin: 0 0 0.6rem; }
p { margin: 0 0 1rem; }
ul { margin: 0 0 0.6rem; padding-left: 1.2rem; }
li { margin-bottom: 0.65rem; }
a { color: var(--flow); text-underline-offset: 0.18em; }
a:focus-visible, input:focus-visible { outline: 3px solid var(--flow); outline-offset: 3px; border-radius: 2px; }

/* Top of page */
.hero { padding: clamp(2.5rem, 7vw, 4.5rem) 0 1rem; }
.sub { font-family: "Bricolage Grotesque", system-ui, sans-serif; color: var(--muted); font-size: 1.05rem; margin: 0 0 2.2rem; }

.overview { max-width: 46rem; }
.overview h2 { margin-bottom: 0.9rem; }
.points { padding-left: 1.2rem; }
.points li { margin-bottom: 0.7rem; }
.points strong { font-family: "Bricolage Grotesque", system-ui, sans-serif; }

dl.rings { margin: 1.2rem 0 0; display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1.2rem; font-size: 0.97rem; }
dl.rings dt { font-family: "Bricolage Grotesque", system-ui, sans-serif; font-weight: 700; }
dl.rings dd { margin: 0; }

/* Navigation */
.topics-nav { margin-top: 2.8rem; }
.topics-nav h2 { font-size: 1.3rem; margin-bottom: 0.4rem; }
.nav-note { font-family: "Bricolage Grotesque", system-ui, sans-serif; font-size: 0.92rem; color: var(--muted); margin-bottom: 1rem; }
ul.topics { list-style: none; padding: 0; margin: 0; border-top: 2px solid var(--ink); }
ul.topics li {
  margin: 0;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem 1.5rem;
  align-items: start;
}
ul.topics .t { font-family: "Bricolage Grotesque", system-ui, sans-serif; font-weight: 700; }
ul.topics .d { font-size: 0.97rem; line-height: 1.55; color: var(--muted); }
@media (min-width: 52rem) {
  ul.topics li { grid-template-columns: 17rem 1fr 6rem; }
  ul.topics .pr { justify-self: end; }
}
.pill {
  display: inline-block;
  font-family: "Bricolage Grotesque", system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
}
.pill.act { background: var(--flow); color: var(--on-flow); }
.pill.pilot { background: var(--warn-tint); color: var(--warn); border: 1px solid var(--warn-dot); }
.pill.watch { background: transparent; color: var(--muted); border: 1px solid var(--muted); }

/* Topic sections */
.topic { margin-top: 5.5rem; }
.topic > h2 { margin-bottom: 1.6rem; }
.intro-line { font-style: italic; color: var(--muted); margin-bottom: 1.2rem; }

.part { padding: 1.15rem 1.4rem 0.7rem; margin-bottom: 1rem; border-radius: 0 8px 8px 0; border-left: 4px solid var(--rule); }
.part.says { background: transparent; border-left-color: var(--muted); padding-left: 1.4rem; }
.part.means { background: var(--flow-tint); border-left-color: var(--flow); }
.part.review { background: var(--warn-tint); border-left-color: var(--warn-dot); }
.part h3 { margin-bottom: 0.8rem; }
.part.means h3 { color: var(--flow); }
.part.review h3 { color: var(--warn); }

.back { font-family: "Bricolage Grotesque", system-ui, sans-serif; font-size: 0.92rem; }

/* Diagram */
figure.pipeline { margin: 1.6rem 0 1.6rem; }
.pipeline-scroll { overflow-x: auto; }
.pipeline svg { display: block; width: 100%; min-width: 640px; height: auto; }
.pipe-body { fill: var(--pipe); stroke: var(--flow); stroke-width: 2; }
.d-stage { fill: var(--ink); font: 700 18px "Bricolage Grotesque", system-ui, sans-serif; }
.d-note { fill: var(--muted); font: 500 16px "Bricolage Grotesque", system-ui, sans-serif; }
.d-warn { fill: var(--warn); font: 700 16px "Bricolage Grotesque", system-ui, sans-serif; }
.d-dot { fill: var(--warn-dot); }
.pipeline figcaption { font-family: "Bricolage Grotesque", system-ui, sans-serif; font-size: 0.92rem; color: var(--muted); margin-top: 0.6rem; }

/* Self-check */
fieldset.ready { border: 1px solid var(--rule); border-radius: 10px; padding: 1.2rem 1.4rem 1.2rem; margin: 1.2rem 0 0; }
fieldset.ready legend { font-family: "Bricolage Grotesque", system-ui, sans-serif; font-weight: 700; padding: 0 0.5rem; font-size: 1.05rem; }
.ready label { display: flex; gap: 0.8rem; align-items: flex-start; padding: 0.45rem 0; cursor: pointer; }
.ready input { accent-color: var(--flow); width: 1.15rem; height: 1.15rem; margin-top: 0.4rem; flex: none; }
.ready-result { margin-top: 1rem; padding: 0.9rem 1.1rem; background: var(--warn-tint); border-radius: 8px; font-family: "Bricolage Grotesque", system-ui, sans-serif; }
.ready-result .count { font-weight: 700; font-size: 1.15rem; display: block; color: var(--warn); }

/* Closing sections */
.plain-list li { margin-bottom: 0.7rem; }
dl.terms { margin: 0; }
dl.terms dt { font-family: "Bricolage Grotesque", system-ui, sans-serif; font-weight: 700; margin-top: 1rem; }
dl.terms dd { margin: 0.15rem 0 0; }

footer:not(.site-footer) { margin: 5rem 0 0; padding: 2rem 0 0; border-top: 1px solid var(--rule); font-size: 0.95rem; color: var(--muted); }
footer:not(.site-footer) p { margin-bottom: 0.7rem; }
.site-footer { margin-top: 2rem; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  :root { --bg: #fff; --ink: #111; --muted: #444; }
  body { font-size: 11pt; }
  .topic { margin-top: 2.2rem; break-inside: avoid-page; }
  .pipeline-scroll { overflow: visible; }
  .pipeline svg { min-width: 0; }
  .back { display: none; }
}