/* SWR7 · pagine Insights/FAQ — stesso sistema della home (obsidian, steel, ember), in un foglio
   esterno perché la CSP del sito è style-src 'self' + inline e queste pagine sono N: un unico CSS
   condiviso, versionato con ?v= come gli script (backend/asset_ver.py). Generato da tools/build_insights.py:
   il markup delle pagine NON si modifica a mano, si rigenera. */
@font-face{font-family:"Chakra Petch";font-style:normal;font-weight:700;font-display:swap;src:url("/fonts/chakrapetch-700.woff2") format("woff2")}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:300 700;font-display:swap;src:url("/fonts/spacegrotesk-var.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:100 800;font-display:swap;src:url("/fonts/jetbrainsmono-var.woff2") format("woff2")}
:root{
  --obsidian:#060406;--basalt:#12161B;--basalt-2:#191F26;
  --steel:#8FA6B4;--steel-lo:#6E828F;--steel-hi:#B9C6D0;
  --ember:#E8402A;--ember-hi:#FF5A1F;--ash:#F2EEE6;
  --line:rgba(143,166,180,.16);--line-hi:rgba(143,166,180,.30);
  --disp:"Chakra Petch","Bahnschrift","DIN Condensed",system-ui,sans-serif;
  --body:"Space Grotesk","Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;color-scheme:dark}
body{background:var(--obsidian);color:var(--ash);font-family:var(--body);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
a{color:var(--steel-hi);text-decoration:underline;text-decoration-color:var(--line-hi);text-underline-offset:3px}
a:hover{color:var(--ember);text-decoration-color:var(--ember)}
::selection{background:var(--ember);color:#150803}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--basalt);color:var(--ash);padding:8px 12px;z-index:99}
.skip:focus{left:8px}
.wrap{max-width:1180px;margin:0 auto;padding:0 26px}
/* barra */
.bar{position:sticky;top:0;z-index:20;background:rgba(6,4,6,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:18px}
.brand{font-family:var(--disp);font-weight:700;font-size:24px;letter-spacing:.02em;color:var(--ash);text-decoration:none;display:inline-flex;align-items:baseline;gap:6px}
.brand i{display:inline-block;width:14px;height:2px;background:var(--ember);transform:translateY(-6px) rotate(-35deg)}
.bar nav{display:flex;gap:22px;align-items:center}
.nlink{color:var(--steel);font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;text-decoration:none}
.nlink:hover{color:var(--ash)}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--ember);background:var(--ember);color:#150803;
  padding:10px 16px;border-radius:3px;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;white-space:nowrap}
.btn:hover{background:var(--ember-hi);border-color:var(--ember-hi);color:#150803}
.btn.ghost{background:transparent;color:var(--ash);border-color:var(--line-hi)}
.btn.ghost:hover{border-color:var(--ember);color:var(--ember);background:transparent}
/* testata articolo */
.hero{padding:72px 0 34px;border-bottom:1px solid var(--line);background:
  radial-gradient(900px 380px at 15% -10%,rgba(232,64,42,.10),transparent 60%),
  radial-gradient(700px 300px at 90% 10%,rgba(143,166,180,.08),transparent 60%)}
.crumbs{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel-lo);margin-bottom:22px}
.crumbs a{color:var(--steel);text-decoration:none}.crumbs a:hover{color:var(--ash)}
.crumbs span{margin:0 8px;color:var(--line-hi)}
.eyebrow{display:inline-flex;align-items:center;gap:11px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ember);margin-bottom:18px}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--ember)}
h1{font-family:var(--disp);font-weight:700;font-size:clamp(34px,4.6vw,58px);line-height:1.02;letter-spacing:-.01em;max-width:18ch}
.lead{margin-top:20px;font-size:clamp(18px,1.6vw,21px);line-height:1.5;color:var(--steel-hi);max-width:62ch}
.meta{margin-top:22px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-lo);display:flex;gap:18px;flex-wrap:wrap}
/* corpo */
.body{padding:44px 26px 30px;display:grid;grid-template-columns:minmax(0,72ch) 1fr;gap:56px}
.prose h2{font-family:var(--disp);font-weight:700;font-size:clamp(24px,2.4vw,32px);line-height:1.12;margin:44px 0 14px;letter-spacing:-.005em}
.prose h2:first-child{margin-top:0}
.prose h3{font-family:var(--body);font-weight:600;font-size:19px;margin:28px 0 8px;color:var(--steel-hi)}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px 22px}.prose li{margin:6px 0}
.prose li::marker{color:var(--ember)}
.prose b,.prose strong{color:var(--ash);font-weight:600}
.prose code{font-family:var(--mono);font-size:.9em;background:var(--basalt);border:1px solid var(--line);border-radius:3px;padding:1px 6px}
.prose blockquote{margin:22px 0;padding:14px 20px;border-left:2px solid var(--ember);background:var(--basalt);color:var(--steel-hi)}
.prose table{width:100%;border-collapse:collapse;margin:18px 0 24px;font-size:15.5px}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel)}
.prose .tbl{overflow-x:auto}
.callout{margin:26px 0;padding:18px 20px;border:1px solid var(--line-hi);border-radius:4px;background:var(--basalt-2)}
.callout .k{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ember);display:block;margin-bottom:6px}
/* colonna laterale */
.side{position:sticky;top:88px;align-self:start;display:flex;flex-direction:column;gap:18px}
.card{border:1px solid var(--line);border-radius:4px;background:var(--basalt);padding:18px 20px}
.card .k{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);display:block;margin-bottom:10px}
.card ul{list-style:none}.card li{padding:6px 0;border-top:1px solid var(--line);font-size:15px}
.card li:first-child{border-top:none}
.card a{text-decoration:none;color:var(--ash)}.card a:hover{color:var(--ember)}
.card p{font-size:15px;color:var(--steel-hi)}
.card .btn{margin-top:12px}
/* FAQ */
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;font-size:18px;color:var(--ash);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--ember);flex:none}
.faq details[open] summary::after{content:"–"}
.faq .a{margin-top:10px;color:var(--steel-hi)}
.faq .a p{margin:0 0 10px}
/* hub */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;padding:40px 0}
.tile{display:block;border:1px solid var(--line);border-radius:4px;background:var(--basalt);padding:22px 22px 20px;text-decoration:none;color:var(--ash);transition:border-color .15s,transform .15s}
.tile:hover{border-color:var(--ember);transform:translateY(-2px);color:var(--ash)}
.tile .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ember);display:block;margin-bottom:10px}
.tile h2{font-family:var(--disp);font-weight:700;font-size:22px;line-height:1.15;margin-bottom:10px}
.tile p{font-size:15px;color:var(--steel-hi)}
/* CTA finale + footer */
.cta{margin:30px 0 0;padding:34px 0 56px;border-top:1px solid var(--line)}
.cta .box{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding:26px 28px;border:1px solid var(--line-hi);border-radius:4px;
  background:linear-gradient(120deg,var(--basalt-2),var(--basalt))}
.cta h2{font-family:var(--disp);font-weight:700;font-size:clamp(22px,2.4vw,30px);line-height:1.1}
.cta p{color:var(--steel-hi);margin-top:6px;max-width:58ch}
footer{border-top:1px solid var(--line);padding:26px 0 34px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--steel-lo)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--steel);text-decoration:none}footer a:hover{color:var(--ash)}
@media(max-width:900px){.body{grid-template-columns:1fr;gap:30px}.side{position:static}}
@media(max-width:640px){.bar nav .nlink{display:none}.hero{padding:44px 0 26px}body{font-size:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.tile{transition:none}}