/* AIO Truth — base design system (institutional / observatory skin).
 * The ecosystem-site-engine appends its chrome block (header, mega-menu, footer)
 * between ENGINE-CHROME markers at the end of this file. Do not duplicate chrome
 * classes here. Theme is driven by the :root variables below. */

:root{
  --accent:#0D9488;
  --accent-deep:#0F766E;
  --ink:#0E2420;
  --ink-soft:#33514B;
  --muted:#5F7B74;
  --line:#DCEAE6;
  --wash:#E6F4F0;
  --card:#FFFFFF;
  --bg:#FAFDFC;
  --bg-deep:#F1F8F6;
  --maxw:1140px;
  --radius:16px;
  --shadow:0 18px 50px rgba(14,36,32,.10);
  --shadow-sm:0 6px 20px rgba(14,36,32,.07);
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.65;font-feature-settings:"kern","liga";-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
img{max-width:100%;display:block}
a{color:var(--accent-deep);text-decoration:none}
a:hover{text-decoration:underline}
hr{border:0;border-top:1px solid var(--line);margin:0}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin-left:auto;margin-right:auto}
section{padding:76px 0}
section.tight{padding:52px 0}
.bg-wash{background:var(--bg-deep)}
.bg-ink{background:var(--ink);color:#E7F1EE}
.bg-ink h1,.bg-ink h2,.bg-ink h3{color:#fff}
.bg-ink a{color:#B7E4DC}

/* ---- typography: AIO Truth uses a bold sans display (editorial/opinion voice),
 * deliberately distinct from AIO Facts' classical serif reference look ---- */
h1,h2,h3,h4{font-family:var(--sans);font-weight:800;line-height:1.08;color:var(--ink);margin:0 0 .5em;letter-spacing:-.026em}
h1{font-size:clamp(2.2rem,5vw,3.7rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem)}
h4{font-size:1.12rem}
p{margin:0 0 1.1em}
.lede{font-size:clamp(1.15rem,1.8vw,1.4rem);line-height:1.55;color:var(--ink-soft);font-weight:400}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-size:.74rem;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 18px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
.muted{color:var(--muted)}
.balance{text-wrap:balance}
strong{font-weight:650;color:var(--ink)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:600;font-size:.97rem;
  padding:13px 22px;border-radius:11px;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .15s ease,background .15s ease,color .15s ease;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(13,148,136,.28)}
.btn--primary:hover{background:var(--accent-deep);color:#fff}
.btn--ghost{background:transparent;color:var(--accent-deep);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--accent);background:var(--wash)}
.btn--full{width:100%;justify-content:center}
.btn svg{width:17px;height:17px}

/* ---- hero ---- */
.hero{padding:0;background:linear-gradient(180deg,var(--bg-deep),var(--bg))}
.hero .container{padding-top:54px;padding-bottom:40px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero h1{margin-bottom:.35em}
.hero .lede{margin-bottom:28px;max-width:33ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-grid>*{min-width:0}
.hero-visual{position:relative}
.hero-visual svg{max-width:100%;height:auto;display:block}

.defbox{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:14px;padding:26px 28px;box-shadow:var(--shadow-sm)}
.defbox .term{font-family:var(--serif);font-weight:600;font-size:1.18rem;color:var(--accent-deep);margin:0 0 6px}
.defbox .def{font-size:1.08rem;line-height:1.55;color:var(--ink);margin:0}
.defbox.lg{padding:34px 36px}
.defbox.lg .def{font-size:1.3rem;line-height:1.5}

.chips{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 8px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:600;color:var(--ink-soft);
  background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 13px}
.chip svg{width:14px;height:14px;color:var(--accent)}

.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:border-color .15s ease,box-shadow .15s ease,transform .12s ease}
.card:hover{border-color:#BFE0D9;box-shadow:var(--shadow-sm)}
a.card:hover{text-decoration:none;transform:translateY(-2px)}
.card h3{margin-bottom:.35em}
.card p{margin:0;color:var(--ink-soft);font-size:.97rem}
.card .ic{width:46px;height:46px;border-radius:12px;background:var(--wash);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .ic svg{width:24px;height:24px;color:var(--accent-deep)}
.card .num{font-family:var(--serif);font-size:1.5rem;color:var(--accent);opacity:.5;font-weight:600;line-height:1}

.pillar{position:relative;padding-left:0}
.pillar .step{font-family:var(--serif);font-size:.95rem;font-weight:700;color:var(--accent);letter-spacing:.04em}

.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
table.cmp{width:100%;border-collapse:collapse;min-width:560px;font-size:.96rem}
table.cmp th,table.cmp td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top}
table.cmp thead th{font-family:var(--sans);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--bg-deep)}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td:first-child{font-weight:600;color:var(--ink)}
table.cmp .yes{color:var(--accent-deep);font-weight:600}
table.cmp .hl{background:var(--wash)}

.glossary{display:grid;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}
.gterm{padding:22px 26px;border-bottom:1px solid var(--line)}
.gterm:last-child{border-bottom:0}
.gterm dt{font-family:var(--serif);font-size:1.2rem;font-weight:600;color:var(--ink);margin:0 0 5px}
.gterm dd{margin:0;color:var(--ink-soft);font-size:.98rem}
.gterm .alt{display:inline-block;font-size:.78rem;font-weight:600;color:var(--accent-deep);background:var(--wash);border-radius:6px;padding:2px 8px;margin-left:8px;vertical-align:middle;font-family:var(--sans)}

.entry{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px;transition:border-color .15s,box-shadow .15s,transform .12s}
.entry:hover{border-color:#BFE0D9;box-shadow:var(--shadow-sm);transform:translateY(-2px);text-decoration:none}
.entry .date{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.entry h3{margin:.3em 0 .35em;font-size:1.18rem}
.entry p{margin:0;color:var(--ink-soft);font-size:.95rem}
.entry .src{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:.85rem;font-weight:600;color:var(--accent-deep)}
.entry .src svg{width:14px;height:14px}

.prose{max-width:740px}
.prose h2{margin-top:1.4em}
.prose h3{margin-top:1.2em}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.1em}
.prose li{margin-bottom:.5em}
.prose blockquote{margin:1.4em 0;padding:6px 0 6px 22px;border-left:3px solid var(--accent);
  font-family:var(--serif);font-size:1.3rem;line-height:1.45;color:var(--ink)}
.prose .lede+*{margin-top:1.4em}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:center}
.stat .n{font-family:var(--serif);font-size:clamp(2rem,4vw,2.8rem);font-weight:600;color:var(--accent-deep);line-height:1}
.stat .l{font-size:.9rem;color:var(--muted);margin-top:6px}

.callout{background:var(--wash);border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px}
.callout h2{margin-top:0}

.sec-head{max-width:720px;margin:0 0 42px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

.rule-art{display:flex;align-items:center;gap:16px;color:var(--line)}
.rule-art::before,.rule-art::after{content:"";flex:1;height:1px;background:var(--line)}
.rule-art svg{width:22px;height:22px;color:var(--accent);opacity:.6}

.band{background:var(--ink);color:#E7F1EE;border-radius:22px;padding:54px 48px;text-align:center}
.band h2{color:#fff;margin-bottom:.4em}
.band p{color:#AECFC8;max-width:54ch;margin-left:auto;margin-right:auto}
.band .btn--primary{background:#fff;color:var(--accent-deep);box-shadow:none;margin-top:14px}
.band .btn--primary:hover{background:var(--wash)}

.note{font-size:.86rem;color:var(--muted)}

@media(max-width:880px){
  body{font-size:16px}
  h1,h2,h3,h4,.lede{overflow-wrap:break-word}
  .hero-grid{grid-template-columns:1fr;gap:24px}
  .hero .container{padding-top:24px;padding-bottom:30px}
  .hero h1{font-size:clamp(1.85rem,7vw,2.4rem)}
  .hero .lede{max-width:none}
  .hero-visual{order:0;max-width:440px;margin:4px auto 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:28px}
  section{padding:48px 0}
  .band{padding:38px 22px}
  .btn{white-space:normal}
  .hero h1{font-size:clamp(1.7rem,6.4vw,2.25rem);overflow-wrap:anywhere}
  .hero-cta{width:100%}
  .hero-cta .btn{flex:1 1 160px;justify-content:center}
  .mega-menu{display:none}
  .tablewrap{max-width:100%}
}

/* ENGINE-CHROME:START — generated by ecosystem-site-engine; do not hand-edit */
/* ecosystem-site-engine chrome — generated, do not hand-edit.
 * Floating-card mega-menu + boxed-social footer. Themed per brand via build.mjs.
 * Injected between ENGINE-CHROME markers in the site's stylesheet. */

/* ---- header shell (sticky bar + logo + cta + hamburger) ---- */
.site-header{position:sticky;top:0;z-index:50;background:#FFFFFF;border-bottom:1px solid #DCEAE6}
.header-inner{max-width:1180px;margin:0 auto;padding:13px 24px;display:flex;align-items:center;gap:16px}
.site-logo{flex:none;display:inline-flex;align-items:center}
.site-logo img{height:34px;width:auto;display:block}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;gap:4px;
  width:44px;height:44px;border:1px solid #DCEAE6;border-radius:11px;background:#FFFFFF;cursor:pointer;flex:none}
.menu-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:#0E2420;transition:transform .2s ease,opacity .2s ease}

/* ---- mega-menu ---- */
.primary-nav{display:flex;gap:4px;margin-left:10px}
.primary-nav .nav-item{position:relative}
.primary-nav .nav-link{display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border-radius:10px;white-space:nowrap;
  color:#0E2420;font-weight:600;font-size:.95rem;line-height:1;cursor:pointer;transition:background .15s ease,color .15s ease}
.primary-nav .nav-link:hover{background:#E6F4F0;color:#0F766E;text-decoration:none}
.primary-nav .nav-link>svg{width:17px;height:17px;flex:none}
.primary-nav .nav-link>svg.nav-caret{width:12px;height:12px;opacity:.5;transition:transform .15s ease}
.nav-item:hover .nav-caret{transform:rotate(180deg)}

.mega-menu{position:absolute;top:100%;left:0;padding-top:12px;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;z-index:60}
.mega-menu--r{left:auto;right:0}
.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu{opacity:1;visibility:visible;transform:translateY(0)}
.mega-menu-inner{display:flex;gap:10px;background:#FFFFFF;border:1px solid #DCEAE6;border-top:3px solid #0D9488;border-radius:4px 4px 16px 16px;
  box-shadow:0 24px 60px rgba(15,23,43,.20);padding:16px;min-width:580px}
.mm-feature{flex:0 0 220px;position:relative;display:block;background:linear-gradient(160deg,#E6F4F0,#FFFFFF);
  border:1px solid #DCEAE6;border-radius:12px;padding:18px;overflow:hidden;text-decoration:none}
.mm-feature:hover{border-color:#0D9488;text-decoration:none}
.mm-feature .mm-fx{position:absolute;right:-14px;top:-12px;opacity:.9}
.mm-flabel{font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#0F766E}
.mm-feature h4{margin:8px 0 4px;font-size:1.05rem;color:#0E2420;position:relative}
.mm-feature p{margin:0;font-size:.86rem;color:#33514B;position:relative}
.mm-fcta{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:.85rem;font-weight:700;color:#0F766E}
.mm-fcta svg{width:15px;height:15px}
.mm-list{flex:1;min-width:280px;padding:6px 6px 6px 4px}
.mm-glabel{display:block;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#5F7B74;padding:6px 10px 8px}
.mm-row{display:flex;gap:11px;align-items:flex-start;padding:9px 10px;border-radius:10px;text-decoration:none;transition:background .15s ease}
.mm-row:hover{background:#E6F4F0;text-decoration:none}
.mm-ico{flex:none;width:30px;height:30px;border-radius:8px;background:#E6F4F0;display:flex;align-items:center;justify-content:center}
.mm-ico svg{width:18px;height:18px}
.mm-tt{display:block;font-weight:600;color:#0E2420;font-size:.95rem}
.mm-ds{display:block;color:#5F7B74;font-size:.82rem}
.mobile-cta{padding:12px 0 2px}

/* ---- footer: dark institutional, branded ---- */
.site-footer{background:#0E2420;color:#9FBDB5;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,#0D9488,#0F766E)}
.site-footer>.container{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr 1fr;gap:34px 28px;padding-top:64px;padding-bottom:46px}
.footer-brand{grid-column:1}
.footer-brand img{height:30px;width:auto;display:block;margin:0 0 18px}
.footer-brand>p{color:#9FBDB5;font-size:.92rem;line-height:1.65;margin:0;max-width:38ch}
.footer-col h4{color:#fff;font-family:"Inter",sans-serif;font-size:.73rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;margin:0 0 16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin:0 0 11px}
.footer-col a{color:#9FBDB5;font-size:.93rem;text-decoration:none;transition:color .15s ease}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-social{display:flex;gap:10px;align-items:center;margin:18px 0 0;flex-wrap:wrap}
.footer-social:empty{display:none}
.footer-social a.social-link{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid #1E3A34;border-radius:8px;color:#9FBDB5;transition:border-color .2s ease,color .2s ease}
.footer-social a.social-link:hover{border-color:#0D9488;color:#fff}
.footer-social a.social-link svg{width:18px;height:18px}
.footer-bottom{border-top:1px solid #1E3A34}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;padding-top:20px;padding-bottom:26px}
.footer-bottom p{margin:0;font-size:.84rem;color:#9FBDB5}
.footer-bottom a{color:#fff;text-decoration:none}
@media(max-width:860px){
  .site-footer>.container{grid-template-columns:1fr 1fr;gap:30px 20px;padding-top:48px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom .container{flex-direction:column;align-items:flex-start;gap:6px}
}

/* ---- mobile nav (generated header toggles .open) ---- */
.mobile-nav{display:none}
.mobile-nav.open{display:flex;flex-direction:column;gap:4px}
.mobile-nav-section{display:flex;flex-direction:column;padding:8px 0;border-bottom:1px solid #DCEAE6}
.mobile-nav-label{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#5F7B74;padding:6px}
.mobile-nav-section a{padding:9px 6px;color:#0E2420;font-weight:600}
.mobile-cta{padding:14px 0 4px}

@media(max-width:860px){
  .primary-nav{display:none}
  .menu-toggle{display:flex}
  .header-cta .btn--primary{display:none}      /* the mobile nav carries its own CTA */
  .header-inner{padding:11px 18px;gap:10px}
  .mobile-nav{position:absolute;left:0;right:0;top:100%;background:#FFFFFF;border-bottom:1px solid #DCEAE6;
    box-shadow:0 18px 40px rgba(0,0,0,.10);padding:10px 18px 18px;max-height:80vh;overflow:auto;z-index:55}
}

/* ---- layout guardrails (engine-enforced, prevent recurring bugs) ----
 * Hero grids MUST top-align. Vertically centering a short text column against a
 * tall visual/instrument panel pushes the headline + primary CTA below the fold.
 * This block is injected last, so it overrides any align-items:center a site
 * sets on its hero. Keeps the primary CTA above the fold on every build. */
.hero .container,.baro-hero .container{align-items:start}
/* Hero must NOT inherit the global section{padding:76px 0}. That top padding renders
 * LARGER in real browsers than in headless screenshots, creating a recurring dead gap
 * under the nav that looks fine in tooling but wrong to the user. Zero the section
 * padding on the hero and set an explicit, intentional top gap (~32px) on its container.
 * Locked 2026-06-20 (Best Diehl Electric). Always verify hero spacing in a REAL browser. */
.hero{padding:0}
.hero .container{padding-top:32px}
/* ENGINE-CHROME:END */