@font-face{font-family:"Barlow Condensed";font-weight:600;font-display:swap;src:url(/assets/fonts/barlow-condensed-600.woff2) format("woff2")}
@font-face{font-family:"Barlow Condensed";font-weight:700;font-display:swap;src:url(/assets/fonts/barlow-condensed-700.woff2) format("woff2")}
@font-face{font-family:"Source Serif 4";font-weight:400 600;font-display:swap;src:url(/assets/fonts/source-serif-4.woff2) format("woff2")}
@font-face{font-family:"Source Serif 4";font-style:italic;font-weight:400;font-display:swap;src:url(/assets/fonts/source-serif-4-italic.woff2) format("woff2")}

:root{
  --paper:#f5f2ec;--card:#fff;--ink:#1c1e21;--ink-2:#4a4d52;--muted:#6a6d72;
  --line:#e2ddd3;--line-2:#cfc8bb;--steel:#2b3036;--accent:#c4501b;--accent-ink:#a6420f;
  --note:#fbf6e9;--warn:#fdf0ea;
  --head:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:ui-monospace,"Cascadia Mono",Consolas,monospace;
  --w:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans)}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-ink);text-underline-offset:2px}
a:hover{color:var(--ink)}
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:9}
.skip:focus{left:8px}

/* barra superiore */
.topbar{background:var(--steel);color:#d7d9dc;font-size:13px}
.topbar-in{display:flex;justify-content:space-between;gap:16px;padding:7px 20px}
.topbar a{color:#fff;text-decoration:none}
.topbar a:hover{text-decoration:underline}
.topbar nav{display:flex;gap:18px}

/* testata */
.site-header{background:var(--card)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand svg{flex:none}
.brand strong{display:block;font:700 30px/1 var(--head);letter-spacing:.3px;text-transform:uppercase}
.brand small{display:block;font:600 13px/1.2 var(--head);letter-spacing:1.6px;color:var(--muted);text-transform:uppercase;margin-top:3px}
.header-note{font:400 15px/1.4 var(--serif);font-style:italic;color:var(--ink-2);max-width:340px;text-align:right;margin:0}
.mainnav{border-top:3px solid var(--ink);background:var(--card);border-bottom:1px solid var(--line)}
.mainnav ul{list-style:none;padding:0 20px;display:flex;flex-wrap:wrap;max-width:var(--w);margin:0 auto}
.mainnav a{display:block;padding:12px 16px;font:600 17px/1 var(--head);letter-spacing:.8px;text-transform:uppercase;color:var(--ink);text-decoration:none;border-bottom:3px solid transparent;margin-bottom:-1px}
.mainnav li:first-child a{padding-left:0}
.mainnav a:hover,.mainnav a[aria-current]{border-bottom-color:var(--accent);color:var(--accent-ink)}
.nav-toggle{display:none;font:600 16px var(--head);text-transform:uppercase;letter-spacing:1px;background:none;border:1px solid var(--line-2);padding:8px 14px;cursor:pointer;color:var(--ink)}

/* titoli di sezione */
.sec-title{font:700 22px/1.1 var(--head);text-transform:uppercase;letter-spacing:.8px;margin:0 0 18px;border-bottom:1px solid var(--line-2);position:relative;padding-bottom:9px}
.sec-title::after{content:"";position:absolute;left:0;bottom:-2px;width:56px;height:3px;background:var(--accent)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px}
.sec-head .sec-title{flex:1}
.more{font:600 14px var(--head);letter-spacing:1px;text-transform:uppercase;white-space:nowrap}

/* apertura home */
.hero-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px;padding:26px 0 34px}
.hero-main,.hero-side article{position:relative;overflow:hidden;background:var(--steel)}
.hero-main img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.92}
.hero-side{display:grid;gap:20px}
.hero-side img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.9}
.hero-cap{position:absolute;left:0;right:0;bottom:0;padding:22px 24px;background:linear-gradient(transparent,rgba(16,18,20,.9) 36%);color:#fff}
.hero-cap h2,.hero-cap h3{font-family:var(--head);font-weight:700;margin:6px 0 6px;line-height:1.08}
.hero-cap h2{font-size:clamp(26px,3.2vw,38px)}
.hero-cap h3{font-size:22px}
.hero-cap a{color:#fff;text-decoration:none}
.hero-cap a:hover{text-decoration:underline}
.hero-cap p{margin:0;color:#e6e6e6;font-size:15px}
.tag{display:inline-block;background:var(--accent);color:#fff;font:600 13px/1 var(--head);letter-spacing:1.2px;text-transform:uppercase;padding:5px 8px}
.strip{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0}
.strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.strip h2{font:700 19px/1.1 var(--head);text-transform:uppercase;letter-spacing:.8px;margin:0 0 6px}
.strip p{margin:0;font-size:14.5px;color:var(--ink-2)}
.strip .num{font:700 34px/1 var(--head);color:var(--accent-ink);display:block;margin-bottom:4px}

/* colonne + sidebar */
.cols{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;padding:34px 20px 40px}
.list-item{display:grid;grid-template-columns:260px 1fr;gap:20px;padding:0 0 22px;margin:0 0 22px;border-bottom:1px solid var(--line)}
.list-item img{aspect-ratio:16/10;object-fit:cover;width:100%}
.list-item h3{font:700 25px/1.12 var(--head);margin:6px 0 8px}
.list-item h3 a{color:var(--ink);text-decoration:none}
.list-item h3 a:hover{color:var(--accent-ink)}
.list-item p{margin:0 0 8px;color:var(--ink-2);font-size:15.5px}
.meta{font-size:13px;color:var(--muted)}
.kicker{font:600 14px/1 var(--head);letter-spacing:1.2px;text-transform:uppercase;color:var(--accent-ink)}
.kicker a{color:inherit;text-decoration:none}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line)}
.card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.card-body{padding:14px 16px 16px}
.card h3{font:700 21px/1.15 var(--head);margin:6px 0 8px}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--accent-ink)}
.card p{margin:0 0 8px;font-size:15px;color:var(--ink-2)}
.sidebar>*{margin-bottom:28px}
.widget{background:var(--card);border:1px solid var(--line);padding:18px 20px}
.widget h2{font:700 19px/1.1 var(--head);text-transform:uppercase;letter-spacing:.8px;margin:0 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.widget p{font-size:14.5px;color:var(--ink-2);margin:0 0 10px}
.widget ul{list-style:none;margin:0;padding:0}
.widget li{border-bottom:1px dashed var(--line);padding:8px 0;font-size:14.5px}
.widget li:last-child{border-bottom:0}
.widget li a{color:var(--ink);text-decoration:none}
.widget li a:hover{color:var(--accent-ink)}
.cat-count{float:right;color:var(--muted)}
.legend-labels{display:grid;grid-template-columns:auto 1fr;gap:6px 10px;font-size:14px;margin:0}
.legend-labels dt{font-weight:700}
.legend-labels dd{margin:0;color:var(--ink-2)}

/* testata pagina */
.page-head{background:var(--card);border-bottom:1px solid var(--line);padding:22px 0 26px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px;padding:0;font-size:13px;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line-2)}
.crumbs a{color:var(--muted)}
.page-head h1{font:700 clamp(32px,4.4vw,50px)/1.04 var(--head);margin:8px 0 12px;max-width:900px}
.lede{font:400 19px/1.55 var(--serif);color:var(--ink-2);max-width:820px;margin:0 0 12px}
.byline{font-size:14px;color:var(--muted);margin:0}
.byline strong{color:var(--ink)}

/* articolo */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;padding:30px 20px 40px}
.post{min-width:0}
.post-hero{margin:0 0 24px}
.post-hero img{width:100%;aspect-ratio:16/9;object-fit:cover}
figure{margin:0}
figcaption{font-size:13px;color:var(--muted);padding:7px 0 0;line-height:1.45}
.post-body{font:400 18.5px/1.72 var(--serif);color:#25272a}
.post-body p{margin:0 0 1.05em}
.post-body h2{font:700 30px/1.12 var(--head);color:var(--ink);margin:1.7em 0 .55em;padding-top:.5em;border-top:1px solid var(--line)}
.post-body h3{font:700 23px/1.2 var(--head);color:var(--ink);margin:1.4em 0 .4em}
.post-body ul,.post-body ol{padding-left:1.3em;margin:0 0 1.1em}
.post-body li{margin:0 0 .4em}
.post-body code,.prose code{font:15px/1.4 var(--mono);background:#efebe3;padding:1px 5px;border-radius:2px;word-break:break-word}
.post-body pre{font:14.5px/1.55 var(--mono);background:var(--steel);color:#eef0f2;padding:14px 16px;overflow:auto;margin:0 0 1.2em}
.post-body pre code{background:none;padding:0;color:inherit;font-size:inherit;word-break:normal}
.post-body strong{font-weight:600}
.post-body figure{margin:0 0 1.5em}
.tbl{overflow-x:auto;margin:0 0 1.4em;border:1px solid var(--line);background:var(--card)}
table{border-collapse:collapse;width:100%;font:15px/1.45 var(--sans)}
caption{caption-side:top;text-align:left;font:600 14px var(--sans);padding:10px 12px;border-bottom:1px solid var(--line);color:var(--ink)}
th,td{padding:8px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f3efe7;font-weight:600}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
tr:last-child td{border-bottom:0}

.box{border-left:4px solid var(--accent);background:var(--note);padding:14px 18px;margin:0 0 1.4em;font:15.5px/1.6 var(--sans)}
.box p{margin:0 0 .6em}
.box p:last-child,.box ul:last-child{margin-bottom:0}
.box-title{font:700 17px var(--head);letter-spacing:.8px;text-transform:uppercase;margin:0 0 6px}
.box.warn{border-color:#9a2f12;background:var(--warn)}
.box.method{border-color:var(--steel);background:#eef0f1}
.summary{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--ink);padding:16px 20px;margin:0 0 26px;font:15.5px/1.6 var(--sans)}
.summary h2{font:700 19px var(--head);text-transform:uppercase;letter-spacing:.8px;margin:0 0 8px}
.summary ul{margin:0;padding-left:1.2em}
.summary li{margin:0 0 5px}
.steps{counter-reset:s;list-style:none;padding:0!important}
.steps>li{counter-increment:s;position:relative;padding-left:46px;margin:0 0 1em}
.steps>li::before{content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;background:var(--ink);color:#fff;font:700 17px/30px var(--head);text-align:center}

.chart{margin:0 0 1.6em;background:var(--card);border:1px solid var(--line);padding:16px 16px 12px;font-family:var(--sans)}
.chart-title{font:600 15.5px var(--sans);margin:0 0 2px;color:var(--ink)}
.chart-sub{font-size:13.5px;color:var(--muted);margin:0 0 10px;line-height:1.45}
.chart svg{width:100%;height:auto;display:block}
.chart .mark:hover{opacity:.8}
.chart details{font:14px var(--sans);margin-top:8px}
.chart summary{cursor:pointer;color:var(--accent-ink)}
.chart details .tbl{margin:8px 0 0}
.legend{display:flex;flex-wrap:wrap;gap:16px;font-size:13.5px;color:var(--ink-2);margin:0 0 8px;padding:0;list-style:none}
.legend i{display:inline-block;width:12px;height:12px;border-radius:2px;margin-right:6px;vertical-align:-1px}

.sources{border-top:3px solid var(--ink);margin-top:34px;padding-top:12px;font:14.5px/1.55 var(--sans)}
.sources h2{font:700 21px var(--head);text-transform:uppercase;letter-spacing:.8px;margin:0 0 10px}
.sources ol{padding-left:1.3em}
.sources li{margin:0 0 7px;word-break:break-word}
.src-type{font-size:11.5px;font-weight:700;letter-spacing:.6px;color:var(--muted);text-transform:uppercase}
.changelog{font-size:14px;color:var(--ink-2)}
.toc{background:var(--card);border:1px solid var(--line);padding:16px 18px;position:sticky;top:16px}
.toc h2{font:700 17px var(--head);text-transform:uppercase;letter-spacing:.8px;margin:0 0 8px}
.toc ol{margin:0;padding-left:1.2em;font-size:14px}
.toc li{margin:0 0 6px}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--accent-ink);text-decoration:underline}
.related{background:#ebe6dc;padding:34px 0 40px;border-top:1px solid var(--line)}

/* pagine istituzionali */
.prose{font:400 18px/1.7 var(--serif);max-width:780px;padding-top:28px;padding-bottom:44px}
.prose h2{font:700 27px/1.15 var(--head);margin:1.5em 0 .5em}
.prose h3{font:700 21px/1.2 var(--head);margin:1.3em 0 .4em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:0 0 .4em}
.prose figure{margin:0 0 1.5em}

/* piede */
.site-footer{background:var(--steel);color:#c9ccd0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding:40px 20px 26px}
.site-footer h2{font:700 18px var(--head);color:#fff;text-transform:uppercase;letter-spacing:1px;margin:0 0 12px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:0 0 7px}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.site-footer p{margin:0 0 10px}
.f-brand{font:700 24px var(--head);color:#fff;text-transform:uppercase;letter-spacing:.5px}
.f-bottom{border-top:1px solid #3d434a;padding:14px 20px 18px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* spazio annunci: generato solo quando ADSENSE_CLIENT è impostato */
.ad-slot{margin:0 0 1.6em;min-height:280px}
.ad-slot::before{content:"Pubblicità";display:block;font:11px var(--sans);letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin-bottom:4px;text-align:center}

@media (max-width:980px){
  .cols,.article-layout{grid-template-columns:1fr}
  .toc{position:static}
  .hero-grid{grid-template-columns:1fr}
  .hero-side{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .header-note{display:none}
}
@media (max-width:680px){
  .topbar-in>span{display:none}
  .topbar-in{justify-content:flex-end}
  .brand strong{font-size:23px}
  .nav-toggle{display:block}
  .mainnav{display:none}
  .mainnav.open{display:block}
  .mainnav ul{flex-direction:column}
  .mainnav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .hero-side{grid-template-columns:1fr}
  .hero-cap{padding:16px}
  .strip-grid{grid-template-columns:1fr}
  .list-item{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .post-body{font-size:17.5px}
  .article-layout{padding-top:20px;gap:28px}
}
@media print{.topbar,.mainnav,.site-footer,.sidebar,.related,.toc,.ad-slot{display:none}}

/* grafici HTML */
.chart-note{margin:8px 0 0}
.hb{display:grid;gap:8px}
.hb-row{display:grid;grid-template-columns:minmax(120px,34%) 1fr;align-items:center;gap:12px;font-size:14px}
.hb-lab{color:var(--ink);line-height:1.3}
.hb-track{display:flex;align-items:center;gap:8px;min-width:0}
.hb-bar{display:block;height:20px;border-radius:0 4px 4px 0;flex:none;max-width:calc(100% - 90px)}
.hb-val{color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.chart-scroll{overflow-x:auto}
.chart-scroll svg{min-width:560px}
.slots{display:grid;grid-template-columns:repeat(32,1fr);gap:2px}
.slots span{aspect-ratio:1;display:block;border-radius:2px}
.sl-base{background:#2b3036}
.sl-full{background:#2a78d6}
.sl-fe,.sl-ff{font:700 10px/1 var(--sans);color:#fff;display:flex!important;align-items:center;justify-content:center}
.sl-fe{background:#d4561f}
.sl-ff{background:#cfc8bb;color:#1c1e21}
@media (max-width:680px){.hb-row{grid-template-columns:1fr;gap:3px}.slots{grid-template-columns:repeat(16,1fr)}}

.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (max-width:680px){.hero-main img,.hero-side img{aspect-ratio:16/9}.hero-cap{position:static;background:var(--steel);padding:14px 16px 16px}.hero-cap h2{font-size:25px}}