/* Final component treatment after each page's illustration-specific CSS. */
:root {
  --bg:#161a19; --fg:#ecece5; --muted:#a9b2aa; --accent:#ff783d; --line:#39423d; --panel:#1e2521; --ink:#171c18;
  --black:var(--fg); --white:var(--bg); --grey-950:#101611; --grey-900:#19211b; --grey-800:#d4dbcf;
  --grey-700:#b5bdb3; --grey-600:#abb5a6; --grey-500:#a2ae9c; --grey-400:#98a791; --grey-300:#596652; --grey-200:var(--line); --grey-100:#2b342b; --grey-50:var(--panel);
  --font-sans:Arial,Helvetica,sans-serif; --font-mono:ui-monospace,SFMono-Regular,Consolas,monospace;
  --diagram-paper:#19211b; --diagram-panel:#222b23; --diagram-line:#596650; --diagram-muted:#adbba2; --diagram-ink:#e1ead8; --diagram-on-ink:#172016;
}
.signal-site { background:var(--bg); color:var(--fg); font-family:var(--font-sans); }
.signal-site .hero { min-height:0; }
.landing-page .hero { padding:75px 0 65px; }
.landing-page .hero .container { max-width:1440px; text-align:left; }
.landing-page .hero h1 { font-size:clamp(48px,6vw,84px); font-weight:500; line-height:1.04; letter-spacing:-.055em; max-width:1080px; }
.landing-page .hero h1 .hero-accent { color:var(--accent); }
.landing-page .hero .subtitle { color:var(--muted); max-width:700px; font-size:17px; line-height:1.8; margin:25px 0 30px; }
.landing-page .hero .cta-group { justify-content:flex-start; }
.landing-kicker { margin-bottom:27px; color:var(--muted); }
.landing-page section h2 { font-weight:500; letter-spacing:-.04em; }
.landing-page .hero-content { min-width:0; }
.landing-page .hero-visual { border:1px solid var(--line); border-radius:0; padding:12px; background:var(--panel); }
.landing-page .hero-visual svg { width:100%; height:auto; display:block; }
.signal-site :is(.stack-grid,.component-grid,.value-grid,.stats-row,.compare,.problem-before,.uns-hub,.benefit-card,.principle-card,.n2-grid,.question-box,.fn-card,.code-block,.yaml-block,.yaml-preview,.def-table,.info-banner,.guide-hero,.guide-toc,.network-diagram,.option-card,.lesson-card,.def-preview,.docs-nav-btn,.guide-card,.docs-component-card,.layer-card,.step-visual) { border-radius:2px; box-shadow:none; }
.signal-site :is(.guide-card,.docs-component-card,.option-card) { border-color:var(--line); }
.signal-site :is(.guide-card,.docs-component-card,.option-card):hover { border-color:var(--accent); }
.signal-site :is(.guide-card-title,.cc-name,.card-name,.fn-name) { font-weight:500; }
.signal-site :is(.hero-badge,.tag,.card-badge,.guide-card-badge,.beta-badge) { border-radius:2px; }
.signal-site .hero-badge { background:transparent; border-color:var(--line); color:var(--muted); }
.signal-site :is(.section-label,.step-num,.step-label,.stack-num) { color:var(--accent); }
.signal-site :is(.step-num,.step-label) { font-weight:400; }
.signal-site .step-grid { gap:50px; }
.signal-site .step-text h3 { font-size:30px; font-weight:500; line-height:1.16; letter-spacing:-.03em; }
.signal-site .step-text p { font-size:15px; color:var(--muted); }
.signal-site :is(.yaml-block,.yaml-preview,.code-block) { background:#101711; color:var(--fg); border:1px solid var(--line); }
.signal-site :is(.yaml-key,.yk,.kw) { color:#e5eada; }
.signal-site :is(.yaml-val,.yv,.str) { color:#f3ac84; }
.signal-site :is(.yaml-comment,.yc,.cm) { color:#9eae97; }
.signal-site .yaml-line { opacity:1; transform:none; }
@media (prefers-reduced-motion:no-preference) {
  .js .signal-site :is(.yaml-preview,.yaml-animated):not(.animate-active) .yaml-line { opacity:0; transform:translateY(6px); }
}
html:not(.js) .signal-site :is(.tt-segment,.tt-desc,.n2-cell) { opacity:1; transform:none; }
.signal-site .guide-hero { background:transparent; border:0; border-bottom:1px solid var(--line); padding:0 0 30px; margin-bottom:30px; }
.signal-site .guide-hero h1 { font-size:clamp(33px,3.6vw,52px) !important; font-weight:500; line-height:1.12; letter-spacing:-.04em; margin-bottom:22px !important; }
.signal-site .guide-subtitle { color:var(--muted); }
.signal-site .guide-hero-meta { margin-bottom:24px; }
.signal-site .guide-card { background:var(--panel); }
.signal-site .guide-card-title { font-size:21px; letter-spacing:-.03em; line-height:1.3; }
.signal-site .guide-card-meta { color:var(--muted); }
.signal-site .guide-section-title { color:var(--accent); }
.signal-site .guide-section-count { color:var(--muted); }
.signal-site .warning-banner { background:#33291b; color:#edc991; border-color:#765732; border-radius:2px; }
.signal-site .warning-banner .warning-icon { color:#edc991; }
.signal-site .success-indicator { color:#b5d39d; background:#25301f; border-color:#586d45; }
.signal-site .check { color:#b5d39d; }
.signal-site .network-diagram { border:1px solid var(--line); background:var(--panel); }
.signal-site .network-diagram svg { display:block; width:100%; height:auto; }
.signal-site :is(.pipeline-diagram,.arch-diagram,.hierarchy-tree) { overflow-x:auto; }
.signal-site .table-scroll { min-width:0; }
.signal-site :is(.def-table,.outcomes-table) { border-color:var(--line); }
.signal-site .def-table { border-collapse:collapse; }
.signal-site .docs-content { min-width:0; }
.signal-site .docs-content pre { max-width:100%; }
.signal-site .docs-content code { overflow-wrap:anywhere; }
.signal-site .docs-content .yaml-block code { overflow-wrap:normal; }
.signal-site .error-page { min-height:65vh; padding:80px 5%; }
.signal-site .error-code { color:var(--accent); font-weight:400; }
/* Shared diagram controls: original vector detail remains available at full size. */
.diagram-frame { position:relative; margin:24px 0; min-width:0; }
.diagram-frame>svg { display:block; width:100%; height:auto; }
.diagram-controls { display:flex; justify-content:flex-end; margin-top:12px; }
.diagram-expand { border:1px solid var(--line); padding:9px 12px; background:var(--bg); color:var(--fg); font:10px/1.4 var(--font-mono); }
.diagram-expand:hover { border-color:var(--accent); }
.diagram-dialog { position:fixed; inset:0; margin:auto; width:96vw; max-width:1600px; height:92vh; max-height:96vh; background:var(--bg); color:var(--fg); border:1px solid var(--line); padding:0; }
.diagram-dialog::backdrop { background:#080e09e8; backdrop-filter:blur(10px); }
.diagram-dialog[open] { display:flex; flex-direction:column; }
.diagram-toolbar { display:flex; justify-content:space-between; align-items:center; gap:15px; padding:15px 20px; border-bottom:1px solid var(--line); background:var(--panel); }
.diagram-toolbar>span { font:11px var(--font-mono); }
.diagram-toolbar>div { display:flex; align-items:center; gap:9px; }
.diagram-toolbar button { font:11px var(--font-mono); padding:9px 12px; background:transparent; border:1px solid var(--line); }
.diagram-toolbar button:hover { border-color:var(--accent); }
.diagram-canvas { flex:1; min-height:0; overflow:auto; padding:28px; }
.diagram-canvas svg { display:block; max-width:none; width:100%; height:auto; margin:auto; }
.diagram-canvas .factory-svg { max-height:none; }
.code-toolbar { display:flex; justify-content:space-between; align-items:center; gap:15px; color:var(--muted); font:8px var(--font-mono); letter-spacing:.5px; padding:9px 12px; background:#182019; border:1px solid var(--line); border-bottom:0; margin-top:24px; }
.code-toolbar+.yaml-block { margin-top:0; }
.code-example { min-width:0; }
.code-layout>.code-example>.code-toolbar { margin-top:0; }
.code-example>.code-toolbar+:is(.yaml-preview,.code-block) { margin-top:0; }
.copy-code { font:9px var(--font-mono); padding:6px 9px; border:1px solid var(--line); background:transparent; }
.copy-code:hover { border-color:var(--accent); }
/* Presentation keeps its slide system and diagrams, using the site identity. */
.slide-page .slide-nav { background:#161a19f5; border-color:var(--line); }
.slide-page .progress-bar { background:var(--accent); }
.slide-page .hero-center h1 .accent { color:var(--accent); }
.slide-page .slide h1,.slide-page .slide h2 { font-weight:500; letter-spacing:-.045em; }
.slide-page .btn-primary { background:var(--accent); color:var(--ink); border-color:var(--accent); border-radius:0; }
.slide-page .btn-secondary { border-radius:0; }
.slide-page .slide { padding-block:55px 75px; }
.slide-page .slide-inner { min-width:0; }
.slide-page .two-col .stats-row { grid-template-columns:repeat(2,minmax(0,1fr)); }
.slide-page .stat-number { white-space:nowrap; }
.slide-page .slide-control { background:var(--panel); border:1px solid var(--line); color:var(--fg); padding:5px 12px; font:12px var(--font-mono); cursor:pointer; }
.slide-page .slide-control:disabled { opacity:.35; cursor:default; }
@media (max-width:1000px) {
  .signal-site .step-grid { gap:30px; }
  .landing-page .hero .subtitle { font-size:16px; }
}
@media (max-width:760px) {
  .landing-page .hero { padding-block:45px; }
  .landing-page .hero h1 { font-size:clamp(41px,9vw,63px); }
  .landing-page .hero .container { grid-template-columns:1fr; gap:35px; }
  .signal-site .step-grid { grid-template-columns:1fr; }
  .signal-site .step-grid.reverse .step-text { order:0; }
  .signal-site .step-text h3 { font-size:27px; }
  .signal-site .docs-content .page-desc { font-size:15px; }
  .signal-site .guide-hero h1 { font-size:clamp(31px,7vw,43px) !important; }
  .signal-site .guide-card-title { font-size:20px; }
  .signal-site .guide-grid { grid-template-columns:1fr; }
  .signal-site :is(.option-grid,.persona-grid,.two-col,.two-col-wide,.problem-grid,.compare,.principles-grid,.benefits-grid) { grid-template-columns:1fr; }
  .signal-site :is(.option-card,.persona-card,.benefit-card) { min-width:0; }
  .diagram-toolbar { flex-wrap:wrap; padding:12px; }
  .diagram-toolbar>span { font-size:10px; }
  .diagram-toolbar button { padding:8px 10px; font-size:10px; }
  .diagram-canvas { padding:18px; }
  .slide-page .slide { padding:30px 5% 90px; align-items:flex-start; }
  .slide-page .slide-inner { margin-block:auto; }
  .slide-page .slide-nav { padding-inline:5%; height:64px; }
  .slide-page .slide-hint { display:none; }
  .slide-page .two-col,.slide-page .two-col-wide { grid-template-columns:1fr; gap:28px; }
}
@media (prefers-reduced-motion:reduce) {
  .signal-site *, .signal-site *::before, .signal-site *::after { animation:none !important; transition:none !important; }
}
.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; }
.hero-figure>.diagram-frame { margin:0; }
.hero-figure .diagram-controls { margin:0; padding:0 18px 18px; }
.system-figure>.diagram-frame { margin:0; }
.landing-page .hero-visual>.diagram-frame { margin:0; }
.diagram-toolbar button:disabled { opacity:.4; cursor:default; }
@media print {
  :root { color-scheme:light; --bg:#fff; --fg:#18221a; --muted:#3d4b3a; --line:#b2bcae; --panel:#f1f4ed; --accent:#9a3c17; --diagram-paper:#fff; --diagram-panel:#f1f4ed; --diagram-ink:#172016; --diagram-on-ink:#fff; --diagram-line:#64745b; --diagram-muted:#45533d; }
  .site-header,.site-footer,.docs-sidebar,.diagram-controls,.code-toolbar,.page-outline { display:none !important; }
  .docs-layout { display:block; }
  .docs-content { padding:0; }
  .signal-site { background:#fff; color:#172016; }
}
/* Legacy overview pages contain their own base CSS; normalize the shared shell. */
.signal-site .site-navigation { position:static; inset:auto; height:auto; width:auto; padding:0; background:transparent; border:0; backdrop-filter:none; box-shadow:none; }
.signal-site .site-header { position:sticky; top:0; }
.signal-site .site-header .brand { font-family:var(--font-sans); }
.signal-site .site-header .brand svg { width:30px; height:30px; fill:none; stroke:var(--accent); }
.signal-site .docs-content .doc-category { color:var(--accent); font:9px/1.7 var(--font-mono); letter-spacing:1.3px; margin-bottom:19px; }
.signal-site .docs-content pre { overflow-x:auto; }
.signal-site :is(.step-grid,.how-grid,.problem-grid,.compare-grid)>* { min-width:0; }
.signal-site .topic-tree { max-width:100%; overflow-x:auto; }
.signal-site .docs-content p { overflow-wrap:anywhere; }
@media (max-width:900px) {
  .signal-site .site-navigation { width:100%; padding-bottom:22px; }
}
@media (max-width:760px) {
  .signal-site .n2-grid { grid-template-columns:1fr; }
  .signal-site .n2-cell { padding:24px; }
  .signal-site [style*="grid-template-columns: 1fr 1fr"],
  .signal-site [style*="grid-template-columns:1fr 1fr"] { grid-template-columns:1fr !important; gap:28px !important; }
  .signal-site [style*="grid-template-columns"]>* { min-width:0; }
  .signal-site .how-grid { grid-template-columns:1fr; }
}
.signal-site .docs-content { overflow-wrap:anywhere; }
.signal-site .checklist li { display:block; position:relative; padding-left:28px; }
.signal-site .checklist li>.check { position:absolute; left:0; top:10px; }
.signal-site .config-explain li { flex-wrap:wrap; }
.signal-site .config-explain code { white-space:normal; overflow-wrap:anywhere; }
.landing-page .hero .container { width:100%; }
.signal-site svg rect[fill="var(--diagram-ink)"],
.signal-site svg circle[fill="var(--diagram-ink)"] { fill:var(--accent); }
.signal-site svg .ink-label { fill:var(--diagram-on-ink); }
/* SVG highlights use the active palette, including in the expanded view. */
@keyframes diagram-glow {
  0%,100% { stroke:var(--diagram-line); }
  50% { stroke:var(--accent); }
}
.signal-site :is(.ig-fn-highlight,.ig-glow,.d-glow,.h-glow) { animation-name:diagram-glow; }
/* Entry effects start when their diagram becomes visible. */
.js .diagram-frame>svg:not(.animate-active) :is(.h-fade,.h-kpi,.ig-kpi,.ig-kpi-row,.ig-stage-label,.ig-machine-card) { animation-play-state:paused; }
@media (prefers-reduced-motion:reduce) {
  .signal-site svg :is(.h-packet,.ig-packet,.d-pkt,.d-pkt-slow),
  .signal-site svg circle:has(>animate[attributeName="cx"],>animate[attributeName="cy"],>animateMotion) { opacity:0 !important; }
}
.journey-nav { display:flex; flex-wrap:wrap; gap:1px; margin-top:35px; border:1px solid var(--line); background:var(--line); }
.journey-nav a { flex:1 1 120px; display:flex; gap:10px; padding:14px; background:var(--bg); font:10px var(--font-mono); text-decoration:none; }
.journey-nav a>span { color:var(--accent); }
.journey-nav a:hover { background:var(--panel); }
.step-num[id] { scroll-margin-top:110px; }
@media (max-width:600px) { .journey-nav a { flex-basis:90px; font-size:9px; padding:12px; } }
.signal-site svg .ink-label tspan { fill:var(--diagram-on-ink); }
.signal-site .docs-infographic { border-radius:2px; }
.signal-site .docs-infographic .diagram-controls { padding:0 16px 16px; }
.signal-site .docs-infographic .diagram-frame { margin:0; }
.slide-page .two-col>*, .slide-page .two-col-wide>*, .slide-page .fn-grid>* { min-width:0; }
.slide-page .slide-inner { overflow-wrap:anywhere; }
@media (max-width:760px) {
  .slide-page .stats-row { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .slide-page .fn-grid { grid-template-columns:1fr; }
  .slide-page .layer-row { min-width:0; }
  .slide-page .layer-functions { overflow-wrap:anywhere; }
}
/* Without JavaScript, the presentation becomes a readable sequence. */
html:not(.js):has(.slide-page) { overflow:auto; height:auto; }
html:not(.js) .slide-page { overflow:auto; height:auto; }
html:not(.js) .slide-deck { width:100%; height:auto; }
html:not(.js) .slide { position:relative; opacity:1; pointer-events:auto; width:100%; height:auto; min-height:100vh; overflow:visible; border-bottom:1px solid var(--line); }
html:not(.js) .slide-nav, html:not(.js) .progress-bar { display:none; }

/* Reading paths: clear choices before implementation detail. */
.site-navigation .nav-start { color: var(--accent); }
.start-content { max-width: 1240px; margin: auto; padding: 86px 32px 100px; }
.start-content h1 { max-width: 900px; font-size: clamp(42px, 6vw, 80px); line-height: 1.04; letter-spacing: -.045em; }
.start-intro { max-width: 760px; font-size: 20px; line-height: 1.65; margin: 28px 0 40px; color: var(--muted); }
.reading-paths { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin: 32px 0 48px; }
.reading-card { display: flex; flex-direction: column; gap: 12px; padding: 26px; border: 1px solid var(--line); background: var(--panel); color: var(--fg); text-decoration: none; }
.reading-card:hover { border-color: var(--accent); }
.reading-card > span { color: var(--accent); font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; }
.reading-card h3 { margin: 0; font-size: 23px; line-height: 1.25; letter-spacing: -.025em; }
.reading-card p { margin: 0; font-size: 15px; line-height: 1.65; color: var(--muted); }
.reading-card b { margin-top: auto; padding-top: 14px; font-size: 13px; font-weight: 500; color: var(--accent); }
.content-section { padding: 42px 0; border-top: 1px solid var(--line); }
.content-section h2 { font-size: clamp(26px,3vw,40px); line-height: 1.18; margin: 0 0 20px; }
.content-section > p { max-width: 850px; line-height: 1.75; color: var(--muted); }
.next-reading { display: flex; flex-wrap: wrap; gap: 12px 26px; padding: 22px 0; }
.next-reading a { color: var(--accent); font-size: 15px; }
.pilot-steps { max-width: 860px; padding-left: 25px; }
.pilot-steps li { padding: 0 0 20px 8px; line-height: 1.75; color: var(--muted); }
.pilot-steps strong { color: var(--fg); }
.reading-context { border-left: 2px solid var(--accent); padding: 14px 20px; margin: 22px 0 30px; color: var(--muted); font-size: 14px; line-height: 1.7; background: var(--panel); }
.reading-context a { color: var(--accent); }
.technical-detail { max-width: 1240px; margin: 34px auto 60px; border: 1px solid var(--line); }
.technical-detail > summary { cursor: pointer; padding: 26px 32px; color: var(--fg); font-size: 20px; font-weight: 600; }
.technical-detail > .detail-intro { padding: 0 32px 24px; color: var(--muted); line-height: 1.7; }
.technical-detail .journey-nav { margin: 0 32px 28px; }
.technical-detail > section { padding: 54px 0; }
.journey-overview { max-width: 1240px; margin: auto; padding: 20px 32px 50px; }
.journey-overview > p { max-width: 800px; color: var(--muted); line-height: 1.75; }
.journey-overview h2 { font-size: clamp(30px,4vw,48px); line-height: 1.15; }
.example-caption { font-size: 13px; color: var(--muted); line-height: 1.7; margin: 22px 0; }
@media (max-width: 1050px) { .docs-content .reading-paths { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .reading-paths { grid-template-columns: 1fr; } .start-content { padding: 48px 20px 60px; } .journey-overview { padding: 20px; } .technical-detail { margin: 20px 16px 40px; } .technical-detail > summary { padding: 22px 18px; font-size: 18px; } .technical-detail > .detail-intro { padding: 0 18px 20px; } .technical-detail .journey-nav { margin: 0 18px 20px; } }