/* Système de design agentique — site.css (uses design system tokens) */
@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:ital,wght@0,400;0,700;1,400;1,700&display=swap');

/* SC 2.4.11 — Focus Not Obscured : compense le header fixe de 60px */
html { scroll-padding-top: 72px; }

*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}

body{
  font-family:'Atkinson Hyperlegible',system-ui,sans-serif;
  background:var(--sda-semantic-color-background-page);
  color:var(--sda-semantic-color-text-primary);
  font-size:var(--sda-semantic-typography-body-size);
  font-weight:var(--sda-semantic-typography-body-weight);
  line-height:var(--sda-semantic-typography-body-line-height);
}

/* ── HEADER ─────────────────────────────────────────────── */
.site-header{
  position:fixed;top:0;left:0;right:0;height:60px;z-index:100;
  background:var(--sda-semantic-color-background-surface);
  border-top:3px solid var(--sda-semantic-color-action-primary);
  border-bottom:1px solid var(--sda-semantic-color-border-default);
  box-shadow:0 2px 24px rgba(0,0,0,.12);
  display:flex;align-items:center;padding:0 24px;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:var(--sda-semantic-radius-control);
  background:var(--sda-semantic-color-action-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;letter-spacing:.06em;flex-shrink:0;
}
.logo-name{font-size:15px;font-weight:700;color:var(--sda-semantic-color-text-primary)}
.logo-version{font-size:11px;color:var(--sda-semantic-color-text-secondary);background:var(--sda-semantic-color-background-subtle);padding:2px 8px;border-radius:20px;font-weight:500}
.top-nav{display:flex;gap:2px;margin-left:auto}
.top-nav a{
  text-decoration:none;color:var(--sda-semantic-color-text-secondary);font-size:13.5px;
  padding:6px 12px;border-radius:var(--sda-semantic-radius-control);font-weight:500;
  transition:background .12s,color .12s;
}
.top-nav a:hover,.top-nav a.active{background:var(--sda-semantic-color-background-subtle);color:var(--sda-semantic-color-text-primary)}
.top-nav a.active{color:var(--sda-semantic-color-action-primary)}

/* ── LAYOUT ─────────────────────────────────────────────── */
.layout{display:flex;margin-top:60px;min-height:calc(100vh - 60px)}
.sidebar{
  width:236px;flex-shrink:0;
  border-right:1px solid var(--sda-semantic-color-border-default);
  background:var(--sda-semantic-color-background-surface);
  position:sticky;top:60px;height:calc(100vh - 60px);overflow-y:auto;
  padding:20px 0;
}
.sidebar-group{margin-bottom:8px}
.sidebar-label{
  font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;
  color:var(--sda-semantic-color-text-secondary);padding:8px 20px 4px;display:block;
}
.sidebar a{
  display:block;padding:6px 20px;text-decoration:none;font-size:13.5px;
  color:var(--sda-semantic-color-text-secondary);border-radius:0;
  transition:background .1s,color .1s;border-left:2px solid transparent;
}
.sidebar a:hover{background:var(--sda-semantic-color-background-subtle);color:var(--sda-semantic-color-text-primary)}
.sidebar a.active{
  background:var(--sda-semantic-color-background-surface);color:var(--sda-semantic-color-action-primary);
  border-left-color:var(--sda-semantic-color-action-primary);border-left-width:3px;font-weight:600;
}
.content{flex:1;padding:52px 64px;max-width:960px}

/* ── HOME HERO ──────────────────────────────────────────── */
.home-layout{margin-top:60px}
.hero{padding:80px 72px 56px;max-width:1100px;margin:0 auto}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  text-transform:uppercase;letter-spacing:.1em;color:var(--sda-semantic-color-text-on-action);
  background:var(--sda-semantic-color-action-primary);padding:4px 14px;border-radius:20px;margin-bottom:24px;
}
.hero h1{font-size:52px;font-weight:800;line-height:1.08;letter-spacing:-.035em;margin-bottom:20px}
.hero h1 span{color:var(--sda-semantic-color-action-primary)}
.hero-tagline{font-size:19px;color:var(--sda-semantic-color-text-secondary);line-height:1.6;max-width:580px;margin-bottom:40px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

.stat-band{
  background:#0f1117;
  display:flex;flex-wrap:wrap;
}
.stat-item{
  flex:1;min-width:150px;padding:28px 32px;text-align:center;
  border-right:1px solid rgba(255,255,255,.08);
}
.stat-item:last-child{border-right:none}
.stat-num{font-size:36px;font-weight:800;color:#60a5fa;display:block;letter-spacing:-.02em}
.stat-text{font-size:13px;color:rgba(255,255,255,.5);margin-top:4px;display:block}

.home-section{padding:64px 72px;max-width:1100px;margin:0 auto}
.home-section h2{font-size:28px;font-weight:700;letter-spacing:-.02em;margin-bottom:8px}
.home-section > p{font-size:15px;color:var(--sda-semantic-color-text-secondary);margin-bottom:32px;line-height:1.7}

/* ── NAV CARDS ───────────────────────────────────────────── */
.nav-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.nav-card{
  background:var(--sda-semantic-color-background-surface);
  border:1px solid var(--sda-semantic-color-border-default);
  border-radius:var(--sda-semantic-radius-card);
  padding:24px;text-decoration:none;color:inherit;
  transition:border-color .15s,box-shadow .15s,transform .1s;display:block;
}
.nav-card:hover{border-color:var(--sda-semantic-color-action-primary);box-shadow:0 4px 16px rgba(13,116,206,.1);transform:translateY(-1px)}
.nav-card-icon{width:32px;height:32px;margin-bottom:12px;display:flex;align-items:center;justify-content:center;color:var(--sda-semantic-color-action-primary)}.nav-card-icon svg{width:32px;height:32px}
.nav-card-title{font-size:15px;font-weight:700;color:var(--sda-semantic-color-text-primary);margin-bottom:6px}
.nav-card-desc{font-size:13px;color:var(--sda-semantic-color-text-secondary);line-height:1.55}
.icon-ok{color:#1a7f37;display:inline-flex;vertical-align:middle;margin-right:4px}
.icon-no{color:#ce2c31;display:inline-flex;vertical-align:middle;margin-right:4px}
.icon-ok svg,.icon-no svg{display:inline;vertical-align:middle}
.badge .icon-ok,.badge .icon-no{margin-right:3px}
h3 .icon-ok,h3 .icon-no{margin-right:6px}

/* ── TOKEN PIPELINE ─────────────────────────────────────── */
.pipeline{display:flex;align-items:stretch;margin:32px 0;gap:0;border:1px solid var(--sda-semantic-color-border-default);border-radius:var(--sda-semantic-radius-card);overflow:hidden}
.pipeline-step{flex:1;padding:24px;background:var(--sda-semantic-color-background-surface)}
.pipeline-step+.pipeline-step{border-left:1px solid var(--sda-semantic-color-border-default)}
.pipeline-step:first-child{background:var(--sda-semantic-color-background-subtle)}
.pipeline-step:last-child{background:var(--sda-semantic-color-background-surface);border-left:3px solid var(--sda-semantic-color-action-primary)}
.pipeline-tag{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--sda-semantic-color-text-secondary);margin-bottom:6px}
.pipeline-title{font-size:15px;font-weight:700;color:var(--sda-semantic-color-text-primary);margin-bottom:6px}
.pipeline-desc{font-size:12.5px;color:var(--sda-semantic-color-text-secondary);line-height:1.5}
.pipeline-example{font-family:monospace;font-size:11.5px;color:var(--sda-semantic-color-action-primary);margin-top:10px;background:#fff;padding:6px 10px;border-radius:4px;border:1px solid var(--sda-semantic-color-border-default)}

/* ── PRINCIPLE CARDS ─────────────────────────────────────── */
.principle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin:24px 0}
.principle-card{background:var(--sda-semantic-color-background-surface);border:1px solid var(--sda-semantic-color-border-default);border-radius:var(--sda-semantic-radius-card);padding:22px}
.principle-num{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--sda-semantic-color-action-primary);margin-bottom:8px}
.principle-title{font-size:14px;font-weight:700;color:var(--sda-semantic-color-text-primary);margin-bottom:6px}
.principle-desc{font-size:12.5px;color:var(--sda-semantic-color-text-secondary);line-height:1.55}

/* ── TYPOGRAPHY ─────────────────────────────────────────── */
h1:not(.hero h1){font-size:30px;font-weight:800;line-height:1.15;letter-spacing:-.025em;margin-bottom:10px}
.page-lead{font-size:17px;color:var(--sda-semantic-color-text-secondary);line-height:1.65;margin-bottom:48px;max-width:580px}
h2{font-size:20px;font-weight:700;letter-spacing:-.015em;margin-top:56px;margin-bottom:16px;padding-top:48px;border-top:1px solid var(--sda-semantic-color-border-default)}
h2.first{margin-top:32px;padding-top:0;border-top:none}
h3{font-size:16px;font-weight:700;margin-top:32px;margin-bottom:12px}
p{color:var(--sda-semantic-color-text-secondary);margin-bottom:16px;line-height:1.7}

code{font-family:'JetBrains Mono','Cascadia Code','Fira Code',monospace;font-size:.85em;background:var(--sda-semantic-color-background-subtle);padding:2px 5px;border-radius:4px;color:var(--sda-semantic-color-text-primary)}
pre.code-block{background:#1a1e24;border-radius:var(--sda-semantic-radius-card);padding:22px 26px;overflow-x:auto;margin:18px 0;position:relative}
pre.code-block code{background:none;color:#c9d1d9;font-size:13px;padding:0;border-radius:0}

blockquote{border-left:3px solid var(--sda-semantic-color-action-primary);padding:14px 20px;margin:20px 0;background:var(--sda-semantic-color-background-subtle);border-radius:0 var(--sda-semantic-radius-control) var(--sda-semantic-radius-control) 0}
blockquote p{margin:0;font-style:italic;color:var(--sda-semantic-color-text-primary)}

hr{border:none;border-top:1px solid var(--sda-semantic-color-border-default);margin:32px 0}

ul,ol{padding-left:22px;margin:12px 0}
li{margin-bottom:6px;color:var(--sda-semantic-color-text-secondary);line-height:1.65}
li code{font-size:.8em}

/* ── TABLES ─────────────────────────────────────────────── */
table{width:100%;border-collapse:collapse;margin:16px 0 28px;font-size:13.5px}
th{text-align:left;padding:10px 16px;background:var(--sda-semantic-color-background-subtle);color:var(--sda-semantic-color-text-secondary);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--sda-semantic-color-border-default)}
td{padding:12px 16px;border-bottom:1px solid var(--sda-semantic-color-border-default);color:var(--sda-semantic-color-text-secondary);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--sda-semantic-color-background-hover)}
td code{color:var(--sda-semantic-color-action-primary)}

/* ── COLOR SYSTEM ───────────────────────────────────────── */
.semantic-colors{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin:24px 0}
.color-token{background:var(--sda-semantic-color-background-surface);border:1px solid var(--sda-semantic-color-border-default);border-radius:var(--sda-semantic-radius-card);padding:16px;display:flex;align-items:center;gap:14px}
.color-swatch{width:44px;height:44px;border-radius:var(--sda-semantic-radius-control);border:1px solid rgba(0,0,0,.08);flex-shrink:0}
.color-info{}
.color-name{font-family:monospace;font-size:12px;font-weight:700;color:var(--sda-semantic-color-text-primary);margin-bottom:3px}
.color-value{font-family:monospace;font-size:11px;color:var(--sda-semantic-color-text-secondary)}
.color-intent{font-size:11.5px;color:var(--sda-semantic-color-text-secondary);margin-top:4px}

.palette-section{margin:40px 0}
.palette-scale-name{font-size:13px;font-weight:700;text-transform:capitalize;color:var(--sda-semantic-color-text-primary);margin-bottom:8px}
.palette-steps{display:grid;grid-template-columns:repeat(12,1fr);gap:4px}
.palette-step{height:48px;border-radius:4px;cursor:default;position:relative}
.palette-step:hover::after{content:attr(title);position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);background:#1a1e24;color:#fff;font-size:10px;padding:4px 8px;border-radius:4px;white-space:nowrap;z-index:10;font-family:monospace;pointer-events:none}

/* ── SPACING ────────────────────────────────────────────── */
.space-demo{display:flex;align-items:flex-end;gap:16px;margin:28px 0;flex-wrap:wrap}
.space-item{display:flex;flex-direction:column;align-items:center;gap:8px}
.space-bar{background:#fecaca;border-radius:3px;min-width:8px;}
.space-label{font-family:monospace;font-size:11px;color:var(--sda-semantic-color-text-secondary);text-align:center}

/* ── TYPOGRAPHY ─────────────────────────────────────────── */
.type-specimen{background:var(--sda-semantic-color-background-surface);border:1px solid var(--sda-semantic-color-border-default);border-radius:var(--sda-semantic-radius-card);padding:24px;margin:12px 0}
.type-spec-label{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--sda-semantic-color-text-secondary);margin-bottom:12px}

/* ── COMPONENT DEMOS ────────────────────────────────────── */
.demo-box{background:var(--sda-semantic-color-background-surface);border:1px solid var(--sda-semantic-color-border-default);border-radius:var(--sda-semantic-radius-card);padding:40px;margin:24px 0}
.demo-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.demo-group{margin-bottom:28px}
.demo-group:last-child{margin-bottom:0}
.demo-group-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--sda-semantic-color-text-secondary);margin-bottom:12px;display:block}

.ds-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:var(--sda-component-button-primary-padding-y) var(--sda-component-button-primary-padding-x);
  border-radius:var(--sda-component-button-primary-radius);
  font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;
  border:1.5px solid transparent;transition:background .12s,color .12s,border-color .12s;line-height:1.4;
}
.ds-btn:focus-visible{outline:2px solid var(--sda-semantic-color-border-focus);outline-offset:2px}
.ds-btn:disabled{cursor:not-allowed;opacity:.45}
.ds-btn.primary{background:var(--sda-component-button-primary-background);color:var(--sda-component-button-primary-text);border-color:var(--sda-component-button-primary-background)}
.ds-btn.primary:hover:not(:disabled){background:var(--sda-component-button-primary-background-hover);border-color:var(--sda-component-button-primary-background-hover)}
.ds-btn.secondary{background:var(--sda-component-button-secondary-background);color:var(--sda-component-button-secondary-text);border-color:var(--sda-component-button-secondary-border)}
.ds-btn.secondary:hover:not(:disabled){background:var(--sda-component-button-secondary-background-hover)}
.ds-btn.ghost{background:var(--sda-component-button-ghost-background);color:var(--sda-component-button-ghost-text);border-color:transparent}
.ds-btn.ghost:hover:not(:disabled){background:var(--sda-component-button-ghost-background-hover)}
.ds-btn.critical{background:var(--sda-component-button-critical-background);color:var(--sda-component-button-critical-text);border-color:var(--sda-component-button-critical-border)}
.ds-btn.critical:hover:not(:disabled){background:var(--sda-component-button-critical-background-hover);color:var(--sda-component-button-critical-border)}

.variant-tag{display:inline-flex;align-items:center;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:2px 8px;border-radius:4px;background:var(--sda-semantic-color-background-subtle);color:var(--sda-semantic-color-text-secondary)}

/* ── TOKEN EXPLORER ─────────────────────────────────────── */
.explorer-search{
  width:100%;max-width:480px;padding:10px 14px;
  border:1.5px solid var(--sda-semantic-color-border-default);
  border-radius:var(--sda-semantic-radius-control);
  font-size:14px;background:var(--sda-semantic-color-background-surface);
  color:var(--sda-semantic-color-text-primary);font-family:inherit;margin-bottom:20px;
}
.explorer-search:focus{outline:none;border-color:var(--sda-semantic-color-border-focus)}
.explorer-tabs{display:flex;gap:2px;border-bottom:2px solid var(--sda-semantic-color-border-default);margin-bottom:20px}
.exp-tab{
  padding:8px 20px;font-size:13.5px;font-weight:600;color:var(--sda-semantic-color-text-secondary);
  border:none;background:none;cursor:pointer;border-bottom:2px solid transparent;
  margin-bottom:-2px;font-family:inherit;transition:color .1s;
}
.exp-tab.active{color:var(--sda-semantic-color-action-primary);border-bottom-color:var(--sda-semantic-color-action-primary)}
.exp-panel{display:none}
.exp-panel.active{display:block}
.token-row td:first-child code{color:var(--sda-semantic-color-action-primary)}

/* ── DECISIONS ──────────────────────────────────────────── */
.adr-num{font-family:monospace;font-size:12px;color:var(--sda-semantic-color-text-secondary)}
.adr-title a{color:var(--sda-semantic-color-action-primary);text-decoration:none;font-weight:600}
.adr-title a:hover{text-decoration:underline}
.badge{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;font-weight:600;padding:2px 10px;border-radius:20px}
.badge-active{background:#ecfdf5;color:#18794e}
.adr-meta{background:var(--sda-semantic-color-background-subtle);border-radius:var(--sda-semantic-radius-card);padding:16px 20px;margin-bottom:36px;display:flex;gap:24px;flex-wrap:wrap;font-size:13px}
.adr-meta strong{color:var(--sda-semantic-color-text-primary)}

/* ── AGENTS ──────────────────────────────────────────────── */
.agent-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}
.agent-card{background:var(--sda-semantic-color-background-surface);border:1px solid var(--sda-semantic-color-border-default);border-radius:var(--sda-semantic-radius-card);padding:20px}
.agent-type{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--sda-semantic-color-text-secondary);margin-bottom:6px}
.agent-name{font-size:15px;font-weight:700;color:var(--sda-semantic-color-text-primary);margin-bottom:8px}
.agent-desc{font-size:12.5px;color:var(--sda-semantic-color-text-secondary);line-height:1.5}
.rules-split{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.rule-can,.rule-cannot{padding:20px;border-radius:var(--sda-semantic-radius-card);border:1px solid}
.rule-can{background:#ecfdf5;border-color:#bbf7d0}
.rule-cannot{background:#fef2f2;border-color:#fecaca}
.rule-can h3{color:#15803d;margin-top:0;font-size:14px}
.rule-cannot h3{color:#b91c1c;margin-top:0;font-size:14px}
.rule-can li{color:#166534;font-size:13px}
.rule-cannot li{color:#991b1b;font-size:13px}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media(max-width:768px){
  .layout{flex-direction:column}
  .sidebar{width:100%;height:auto;position:static;border-right:none;border-bottom:1px solid var(--sda-semantic-color-border-default)}
  .content{padding:28px 20px}
  .hero{padding:40px 20px 32px}
  .hero h1{font-size:34px}
  .home-section{padding:40px 20px}
  .pipeline{flex-direction:column}
  .pipeline-step+.pipeline-step{border-left:none;border-top:1px solid var(--sda-semantic-color-border-default)}
  .rules-split{grid-template-columns:1fr}
  .top-nav{display:none}
}

/* ── ACCESSIBILITY ───────────────────────────────────────── */
*:focus-visible{outline:2px solid var(--sda-semantic-color-border-focus);outline-offset:2px}
a{color:var(--sda-semantic-color-action-primary)}
.skip-link{position:absolute;top:-40px;left:8px;background:var(--sda-semantic-color-action-primary);color:#fff;padding:8px 16px;border-radius:4px;font-size:14px;font-weight:600;text-decoration:none;z-index:1000}
.skip-link:focus{top:8px}

/* ── LANG TOGGLE ─────────────────────────────────────────── */
.lang-toggle-group{display:flex;gap:2px;margin-left:8px;flex-shrink:0}
.lang-btn{padding:3px 9px;font-size:11.5px;font-weight:700;border-radius:4px;border:1.5px solid var(--sda-semantic-color-border-default);background:none;color:var(--sda-semantic-color-text-secondary);cursor:pointer;font-family:inherit;transition:background .12s,color .12s,border-color .12s;letter-spacing:.04em}
.lang-btn.active{background:var(--sda-semantic-color-action-primary);color:#fff;border-color:var(--sda-semantic-color-action-primary)}
html[data-lang="fr"] .lang-en{display:none}
html[data-lang="en"] .lang-fr{display:none}

/* ── MOBILE MENU ─────────────────────────────────────────── */
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:4px;color:var(--sda-semantic-color-text-primary);border-radius:4px}
.menu-toggle:hover{background:var(--sda-semantic-color-background-subtle)}

/* ── TOC ─────────────────────────────────────────────────── */
.toc{width:208px;flex-shrink:0;padding:20px 16px;position:sticky;top:60px;height:calc(100vh - 60px);overflow-y:auto;border-left:1px solid var(--sda-semantic-color-border-default);background:var(--sda-semantic-color-background-surface)}
.toc:empty{display:none;width:0;padding:0;border:none}
.toc-title{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--sda-semantic-color-text-secondary);margin-bottom:10px;display:block}
.toc a{display:block;font-size:12.5px;color:var(--sda-semantic-color-text-secondary);text-decoration:none;padding:4px 0 4px 10px;border-left:2px solid transparent;margin-left:-2px;line-height:1.4;transition:color .1s,border-color .1s}
.toc a:hover,.toc a.active{color:var(--sda-semantic-color-action-primary);border-left-color:var(--sda-semantic-color-action-primary)}

/* ── DO / DON'T ──────────────────────────────────────────── */
.dos-donts{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}
.do-section,.dont-section{padding:20px;border-radius:var(--sda-semantic-radius-card);border:1px solid}
.do-section{background:#f0fdf4;border-color:#86efac}
.dont-section{background:#fef2f2;border-color:#fecaca}
.do-section h3{color:#15803d;margin-top:0;font-size:14px}
.dont-section h3{color:#b91c1c;margin-top:0;font-size:14px}
.do-section li{color:#166534;font-size:13px}
.dont-section li{color:#991b1b;font-size:13px}

/* ── TOKEN TILES ─────────────────────────────────────────── */
.token-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}
.token-tile{background:var(--sda-semantic-color-background-surface);border:1px solid var(--sda-semantic-color-border-default);border-radius:var(--sda-semantic-radius-card);padding:24px;text-align:center}
.token-tile-count{font-size:40px;font-weight:800;color:var(--sda-semantic-color-action-primary);letter-spacing:-.02em;display:block}
.token-tile-label{font-size:12.5px;color:var(--sda-semantic-color-text-secondary);margin-top:6px;display:block}

/* ── FOOTER ──────────────────────────────────────────────── */
.site-footer{background:#0f1117;color:rgba(255,255,255,.55);padding:24px 32px;font-size:13px;margin-top:auto}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-links{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.75);text-decoration:none;display:inline-flex;align-items:center;gap:5px;transition:color .12s}
.footer-links a:hover{color:#fff}
.footer-credit{font-size:12px;color:rgba(255,255,255,.35);display:flex;align-items:center;gap:6px}

/* ── CONTRIBUTION BANNER ─────────────────────────────────── */
.contribution-banner{display:flex;align-items:center;gap:16px;background:var(--sda-semantic-color-background-subtle);border:1px solid var(--sda-semantic-color-border-default);border-left:3px solid var(--sda-semantic-color-action-primary);border-radius:0 var(--sda-semantic-radius-card) var(--sda-semantic-radius-card) 0;padding:16px 20px;margin:56px 0 0}
.contribution-banner .contrib-icon{color:var(--sda-semantic-color-action-primary);flex-shrink:0}
.contribution-banner .contrib-body{flex:1}
.contribution-banner .contrib-body strong{color:var(--sda-semantic-color-text-primary);font-size:14px;display:block;margin-bottom:3px}
.contribution-banner .contrib-body span{font-size:13px;color:var(--sda-semantic-color-text-secondary);line-height:1.55}
@media(max-width:768px){.contribution-banner{flex-direction:column;align-items:flex-start}}

/* ── AUDIENCE CARDS ──────────────────────────────────────── */
.audience-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:28px 0}
.audience-card{background:var(--sda-semantic-color-background-surface);border:1px solid var(--sda-semantic-color-border-default);border-radius:var(--sda-semantic-radius-card);padding:20px}
.audience-icon{color:var(--sda-semantic-color-action-primary);margin-bottom:10px}
.audience-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--sda-semantic-color-text-secondary);margin-bottom:4px}
.audience-title{font-size:15px;font-weight:700;color:var(--sda-semantic-color-text-primary);margin-bottom:8px}
.audience-desc{font-size:12.5px;color:var(--sda-semantic-color-text-secondary);line-height:1.55}

/* ── KPI BAND ────────────────────────────────────────────── */
.kpi-band{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:28px 0}
.kpi-card{background:var(--sda-semantic-color-background-surface);border:1px solid var(--sda-semantic-color-border-default);border-radius:var(--sda-semantic-radius-card);padding:20px 22px}
.kpi-num{font-size:32px;font-weight:800;color:var(--sda-semantic-color-action-primary);letter-spacing:-.02em;display:block;margin-bottom:4px}
.kpi-label{font-size:13px;color:var(--sda-semantic-color-text-primary);font-weight:600;margin-bottom:6px;display:block}
.kpi-source{font-size:11px;color:var(--sda-semantic-color-text-secondary)}
.kpi-source a{color:var(--sda-semantic-color-action-primary);font-size:11px}

/* ── TECH STACK PIPELINE ─────────────────────────────────── */
.stack-flow{display:flex;align-items:stretch;gap:0;margin:28px 0;overflow-x:auto;border:1px solid var(--sda-semantic-color-border-default);border-radius:var(--sda-semantic-radius-card);overflow:hidden}
.stack-node{flex:1;min-width:100px;padding:18px 14px;background:var(--sda-semantic-color-background-surface);text-align:center;border-right:1px solid var(--sda-semantic-color-border-default);position:relative}
.stack-node:last-child{border-right:none;background:var(--sda-semantic-color-background-subtle)}
.stack-node-icon{color:var(--sda-semantic-color-action-primary);margin-bottom:8px;display:flex;justify-content:center}
.stack-node-label{font-size:11.5px;font-weight:700;color:var(--sda-semantic-color-text-primary)}
.stack-node-sub{font-size:10.5px;color:var(--sda-semantic-color-text-secondary);margin-top:3px}

/* ── RESPONSIVE (additions) ──────────────────────────────── */
@media(max-width:1200px){.toc{display:none}}
@media(max-width:768px){
  .menu-toggle{display:flex;align-items:center}
  .top-nav{display:none;position:fixed;top:60px;left:0;right:0;background:var(--sda-semantic-color-background-surface);border-bottom:1px solid var(--sda-semantic-color-border-default);flex-direction:column;padding:8px 0;z-index:99;box-shadow:0 4px 16px rgba(0,0,0,.1)}
  .top-nav.open{display:flex}
  .top-nav a{padding:12px 24px;border-radius:0;font-size:15px}
  .dos-donts{grid-template-columns:1fr}
  .token-tiles{grid-template-columns:1fr}
  .agent-grid{grid-template-columns:1fr}
  .stack-flow{flex-direction:column}
  .stack-node{border-right:none;border-bottom:1px solid var(--sda-semantic-color-border-default)}
  .footer-inner{flex-direction:column;align-items:flex-start}
}