/* Cascale guidance site — shared by the catalog pages and the rendered
   documents. Tokens follow the Cascale staff deck (reports/_lib/style.py)
   and cascale.org: indigo ground, action blue, orange accent, Poppins. */
@font-face { font-family: Poppins; font-weight: 400; font-style: normal; src: url(fonts/Poppins-Regular.ttf) format("truetype"); font-display: swap; }
@font-face { font-family: Poppins; font-weight: 400; font-style: italic; src: url(fonts/Poppins-Italic.ttf) format("truetype"); font-display: swap; }
@font-face { font-family: Poppins; font-weight: 500; font-style: normal; src: url(fonts/Poppins-Medium.ttf) format("truetype"); font-display: swap; }
@font-face { font-family: Poppins; font-weight: 600; font-style: normal; src: url(fonts/Poppins-SemiBold.ttf) format("truetype"); font-display: swap; }
@font-face { font-family: Poppins; font-weight: 700; font-style: normal; src: url(fonts/Poppins-Bold.ttf) format("truetype"); font-display: swap; }

:root {
  --indigo: #17184a; --blue: #3a79fa; --blue-dark: #2c5fd0; --orange: #ff7f36;
  --teal: #0097a7; --magenta: #d50083; --yellow: #ffbe3b; --purple: #a01db1;
  --lightblue: #ceddfe; --ink: #1d1d2b; --ink2: #5b5b72; --ink3: #8c8ca0;
  --hairline: #e4e4ec; --surface: #ffffff; --surface2: #f3f3f6; --ground: #f7f7fa;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(23, 24, 74, 0.08), 0 4px 16px rgba(23, 24, 74, 0.06);
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "DejaVu Sans Mono", monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ground); color: var(--ink);
  font-family: Poppins, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px; line-height: 1.6;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); text-decoration: underline; text-decoration-color: var(--lightblue); }
code, pre, kbd { font-family: var(--mono); }
img { max-width: 100%; }

/* ---------------------------------------------------------------- chrome */
header.top {
  background: var(--indigo); color: #fff; position: sticky; top: 0; z-index: 10;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
header.top .bar {
  max-width: 1180px; margin: 0 auto; padding: 0.7rem 1.25rem;
  display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap;
}
header.top .brand { display: flex; align-items: center; gap: 0.7rem; color: #fff; }
header.top .brand img { height: 26px; display: block; }
header.top .brand .word {
  font-weight: 500; letter-spacing: 0.02em; font-size: 0.95rem; color: var(--lightblue);
  border-left: 1px solid rgba(255,255,255,0.25); padding-left: 0.7rem; line-height: 1;
}
header.top nav.crumbs { display: flex; align-items: center; gap: 0.45rem; font-size: 0.86rem; color: var(--lightblue); min-width: 0; }
header.top nav.crumbs a { color: #fff; opacity: 0.9; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 32vw; }
header.top nav.crumbs a:hover { opacity: 1; text-decoration: none; }
header.top nav.crumbs .sep { opacity: 0.5; }
header.top .spacer { flex: 1; }
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.42rem 0.9rem; border-radius: 999px;
  font-weight: 500; font-size: 0.86rem; line-height: 1; white-space: nowrap; border: 1px solid transparent;
}
.btn.primary { background: var(--blue); color: #fff; }
.btn.primary:hover { background: var(--blue-dark); text-decoration: none; }
.btn.ghost { border-color: rgba(255,255,255,0.35); color: #fff; }
.btn.ghost:hover { background: rgba(255,255,255,0.1); text-decoration: none; }
.btn.light { background: var(--surface); color: var(--indigo); border-color: var(--hairline); }
.btn.light:hover { border-color: var(--blue); text-decoration: none; }
.btn svg { width: 14px; height: 14px; }

/* hero */
.hero { background: var(--indigo); color: #fff; padding: 2.6rem 1.25rem 2.4rem; }
.hero .inner { max-width: 1180px; margin: 0 auto; }
.hero .kicker { color: var(--lightblue); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; }
.hero h1 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); line-height: 1.15; margin: 0.4rem 0 0.8rem; font-weight: 600; }
.hero .rule { width: 52px; height: 4px; background: var(--orange); border-radius: 2px; margin: 0 0 1rem; }
.hero p { max-width: 62ch; margin: 0; color: var(--lightblue); font-size: 0.98rem; }
.hero .badges { margin-top: 1rem; }

/* page body */
main.page { max-width: 1180px; margin: 0 auto; padding: 1.8rem 1.25rem 3rem; }
main.page h2.section { font-size: 1.05rem; font-weight: 600; color: var(--indigo); margin: 1.8rem 0 0.8rem; letter-spacing: 0.01em; }
main.page h2.section:first-child { margin-top: 0.4rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.card {
  background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.15rem 1.25rem 1.1rem; display: flex; flex-direction: column; gap: 0.55rem;
  min-width: 0;
}
.card h3 { margin: 0; font-size: 1.05rem; font-weight: 600; color: var(--indigo); line-height: 1.3; }
.card h3 a { color: inherit; }
.card .sub { color: var(--ink2); font-size: 0.86rem; }
.card p.desc { margin: 0; color: var(--ink2); font-size: 0.9rem; }
.card ul.docs { list-style: none; margin: 0.2rem 0 0; padding: 0; display: flex; flex-direction: column; gap: 0.3rem; }
.card ul.docs li { font-size: 0.9rem; display: flex; gap: 0.5rem; align-items: baseline; }
.card ul.docs li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); flex: none; position: relative; top: -1px; }
.card .actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: auto; padding-top: 0.4rem; }
.card.doc .actions { padding-top: 0.6rem; }
.badges { display: inline-flex; gap: 0.4rem; flex-wrap: wrap; }
.badge {
  display: inline-block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.18rem 0.55rem; border-radius: 999px; background: var(--surface2); color: var(--ink2); line-height: 1.4;
}
.badge.latest { background: var(--blue); color: #fff; }
.badge.current { background: var(--teal); color: #fff; }
.badge.next { background: var(--orange); color: #fff; }
.badge.kind { background: var(--lightblue); color: var(--indigo); }

table.versions { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); font-size: 0.9rem; }
table.versions th, table.versions td { text-align: left; padding: 0.65rem 0.9rem; border-bottom: 1px solid var(--hairline); vertical-align: top; }
table.versions th { background: var(--lightblue); color: var(--indigo); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }
table.versions tr:last-child td { border-bottom: 0; }
table.versions td.v a { font-weight: 500; }
table.versions td .badges { margin-left: 0.4rem; vertical-align: middle; }
.table-scroll { overflow-x: auto; }
.note { color: var(--ink2); font-size: 0.88rem; }
.intro { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 1.2rem 1.5rem; box-shadow: var(--shadow); margin-bottom: 1.4rem; }
.intro > :first-child { margin-top: 0; }
.intro > :last-child { margin-bottom: 0; }
.intro h1, .intro h2 { font-size: 1.15rem; color: var(--indigo); }
.intro h3 { font-size: 1rem; color: var(--indigo); }

footer.site { max-width: 1180px; margin: 0 auto; padding: 1.5rem 1.25rem 2.5rem; color: var(--ink3); font-size: 0.8rem; display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; border-top: 1px solid var(--hairline); }
footer.site img { height: 16px; opacity: 0.85; }
footer.site .spacer { flex: 1; }

/* ---------------------------------------------------------------- document */
.doc-layout { max-width: 1180px; margin: 0 auto; padding: 0 1.25rem 3rem; display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.2rem; }
@media (min-width: 1020px) { .doc-layout { grid-template-columns: 240px minmax(0, 1fr); } }
aside.toc { display: none; }
@media (min-width: 1020px) {
  aside.toc { display: block; position: sticky; top: 4.2rem; align-self: start; max-height: calc(100vh - 5rem); overflow: auto; padding: 1.4rem 0 1rem; font-size: 0.83rem; }
}
aside.toc .label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink3); margin-bottom: 0.5rem; }
aside.toc ul { list-style: none; margin: 0; padding: 0; }
aside.toc nav > ul > li { margin: 0.35rem 0; }
aside.toc nav > ul > li > a { font-weight: 500; color: var(--indigo); }
aside.toc ul ul { margin: 0.2rem 0 0.4rem 0.75rem; border-left: 1px solid var(--hairline); padding-left: 0.7rem; }
aside.toc ul ul li { margin: 0.2rem 0; }
aside.toc a { color: var(--ink2); display: block; line-height: 1.4; }
aside.toc a:hover { color: var(--blue); text-decoration: none; }
aside.toc ul ul ul { display: none; }

article.doc { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); box-shadow: var(--shadow); padding: 2rem clamp(1.1rem, 4vw, 3rem) 2.6rem; margin-top: 1.4rem; min-width: 0; }
article.doc .doc-head { margin-bottom: 1.6rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--hairline); }
article.doc .doc-head .kicker { color: var(--ink2); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; }
article.doc .doc-head h1 { font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1.2; margin: 0.3rem 0 0.7rem; color: var(--indigo); font-weight: 600; }
article.doc .doc-head .rule { width: 44px; height: 3px; background: var(--orange); border-radius: 2px; margin-bottom: 0.8rem; }
article.doc .doc-head .meta { color: var(--ink2); font-size: 0.86rem; display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }
article.doc .doc-head .meta .actions { display: inline-flex; gap: 0.45rem; margin-left: auto; }
article.doc .doc-head p.desc { color: var(--ink2); margin: 0.8rem 0 0; }
article.doc .mobile-toc { border: 1px solid var(--hairline); border-radius: var(--radius); padding: 0.8rem 1rem; margin: 0 0 1.4rem; font-size: 0.9rem; background: var(--surface2); }
article.doc .mobile-toc summary { cursor: pointer; font-weight: 500; color: var(--indigo); }
article.doc .mobile-toc ul { margin: 0.4rem 0 0; padding-left: 1.1rem; }
article.doc .mobile-toc ul ul ul { display: none; }
@media (min-width: 1020px) { article.doc .mobile-toc { display: none; } }

.prose { font-size: 0.96rem; }
.prose h1, .prose h2, .prose h3, .prose h4, .prose h5 { color: var(--indigo); font-weight: 600; line-height: 1.3; scroll-margin-top: 4.5rem; }
.prose h1 { font-size: 1.55rem; margin: 2.4rem 0 0.9rem; }
.prose h1::after { content: ""; display: block; width: 40px; height: 3px; background: var(--orange); border-radius: 2px; margin-top: 0.45rem; }
.prose h2 { font-size: 1.25rem; margin: 2rem 0 0.7rem; }
.prose h3 { font-size: 1.05rem; margin: 1.6rem 0 0.5rem; }
.prose h4 { font-size: 0.95rem; margin: 1.3rem 0 0.4rem; color: var(--ink2); font-weight: 500; }
.prose h1:first-child, .prose h2:first-child { margin-top: 0.2rem; }
.prose p, .prose ul, .prose ol { margin: 0 0 0.9rem; }
.prose li { margin: 0.2rem 0; }
.prose li > p { margin-bottom: 0.4rem; }
.prose code { background: var(--surface2); border-radius: 4px; padding: 0.08em 0.35em; font-size: 0.86em; color: var(--indigo); overflow-wrap: anywhere; }
.prose pre { background: var(--surface2); border: 1px solid var(--hairline); border-radius: 6px; padding: 0.9rem 1rem; overflow-x: auto; font-size: 0.82rem; line-height: 1.5; }
.prose pre code { background: none; padding: 0; font-size: inherit; color: inherit; }
.prose blockquote { margin: 1rem 0; padding: 0.2rem 0 0.2rem 1rem; border-left: 3px solid var(--blue); color: var(--ink2); }
.prose blockquote p { margin: 0.3rem 0; }
.prose hr { border: 0; border-top: 1px solid var(--hairline); margin: 2rem 0; }
.prose img { border-radius: 6px; }
.prose .table-wrap, .prose table { margin: 1rem 0 1.3rem; }
.prose .table-wrap { overflow-x: auto; }
.prose table { border-collapse: collapse; width: 100%; font-size: 0.85rem; line-height: 1.45; }
.prose thead th { background: var(--lightblue); color: var(--indigo); font-weight: 600; text-align: left; padding: 0.5rem 0.65rem; vertical-align: bottom; }
.prose tbody td { padding: 0.45rem 0.65rem; border-bottom: 1px solid var(--hairline); vertical-align: top; }
.prose.zebra tbody tr:nth-child(even) td { background: var(--surface2); }
.prose table code { white-space: normal; }
.prose a code { color: var(--blue); background: rgba(58, 121, 250, 0.08); }
.prose a:hover code { text-decoration: underline; }
.prose .footnotes { font-size: 0.85rem; color: var(--ink2); border-top: 1px solid var(--hairline); margin-top: 2rem; padding-top: 1rem; }
.prose sup { line-height: 0; }
.prose a.footnote-back { margin-left: 0.3rem; }
.prose .header-section-number { display: none; }

.doc-foot { margin-top: 2.4rem; padding-top: 1rem; border-top: 1px solid var(--hairline); color: var(--ink3); font-size: 0.8rem; display: flex; gap: 0.8rem; flex-wrap: wrap; }
.doc-foot .spacer { flex: 1; }

@media (max-width: 640px) {
  header.top nav.crumbs { display: none; }
  .hero { padding: 1.9rem 1.25rem; }
  article.doc { padding: 1.4rem 1.1rem 1.8rem; }
  article.doc .doc-head .meta .actions { margin-left: 0; width: 100%; }
}