/* Inchiesta Dati — foglio di stile unico. Direzione: luce forense, inchiostro e ambra. */
:root{
  --paper:#ffffff;
  --paper-2:#f2f4f7;
  --paper-3:#e7ebef;
  --ink:#111418;
  --ink-2:#20262d;
  --ink-soft:#4f575f;
  --line:#d3d9df;
  --amber:#8f4d05;
  --amber-2:#f0a02a;
  --amber-wash:#fdf3e3;
  --focus:#0a4f9c;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --cond:"Avenir Next Condensed","Helvetica Neue Condensed","Roboto Condensed","Arial Narrow",
    "Liberation Sans Narrow",system-ui,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --maxw:1200px;
  --rule:1px solid var(--line);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
  font:400 17px/1.68 var(--sans);font-variant-numeric:tabular-nums lining-nums}
body.gate-open{overflow:hidden}
img,svg{max-width:100%;height:auto}
h1,h2,h3,h4{line-height:1.16;margin:0 0 .5em;letter-spacing:-.012em}
h1{font-size:clamp(2rem,4.4vw,3.05rem);font-weight:700}
h2{font-size:clamp(1.32rem,2.3vw,1.72rem);font-weight:700}
h3{font-size:1.06rem;font-weight:700}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.15em;padding-left:1.25em}
a{color:var(--ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--amber)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
code{font-family:var(--mono);font-size:.93em}
.gutter{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.gutter.tight-col{max-width:820px}
.skip-to{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:80}
.skip-to:focus{left:8px;top:8px}
.kicker{display:block;font-family:var(--cond);font-size:.76rem;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;color:var(--amber);margin-bottom:.7em}
.kicker--ink{color:var(--ink-soft)}

/* Fascia di avviso, testata, navigazione */
.stripe-notice{background:var(--ink);color:#f4f6f8;font-family:var(--cond);
  font-size:.83rem;letter-spacing:.06em;text-transform:uppercase;padding:9px 0}
.stripe-notice .gutter{display:flex;gap:10px;align-items:flex-start}
.stripe-notice b{color:var(--amber-2);flex:none;font-weight:700}
.masthead{border-bottom:2px solid var(--ink);background:var(--paper);position:sticky;top:0;z-index:40}
.masthead-row{display:flex;align-items:center;gap:18px;min-height:74px;flex-wrap:wrap}
.logotype{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:700;
  letter-spacing:-.02em;font-size:1.12rem;margin-right:auto}
.logo-glyph{width:38px;height:38px;flex:none;display:grid;place-items:center;background:var(--ink);
  color:var(--amber-2);font-family:var(--cond);font-size:.95rem;letter-spacing:.08em;font-weight:700}
.logotype span:last-child{display:flex;flex-direction:column;line-height:1.1}
.logotype small{font-family:var(--cond);font-size:.68rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink-soft);font-weight:600}
.menu-btn{display:none;font-family:var(--cond);text-transform:uppercase;letter-spacing:.16em;
  font-size:.8rem;background:var(--paper);border:1px solid var(--ink);padding:9px 14px;cursor:pointer}
.mainnav{display:flex;gap:2px;flex-wrap:wrap}
.mainnav a{font-family:var(--cond);text-transform:uppercase;letter-spacing:.13em;font-size:.83rem;
  text-decoration:none;padding:9px 11px;border-bottom:2px solid transparent}
.mainnav a:hover{border-bottom-color:var(--amber-2);color:var(--ink)}

/* Bande */
.band{padding:clamp(38px,5.4vw,68px) 0;border-bottom:var(--rule)}
.band--tint{background:var(--paper-2)}
.band--ink{background:var(--ink);color:#eef1f4;border-bottom:0}
.band--ink a{color:#fff}
.band--ink .kicker{color:var(--amber-2)}
.band-head{display:flex;gap:24px;justify-content:space-between;align-items:flex-end;
  flex-wrap:wrap;margin-bottom:26px;padding-bottom:14px;border-bottom:2px solid var(--ink)}
.band-head p{max-width:62ch;margin:0}
.band-head a{font-family:var(--cond);text-transform:uppercase;letter-spacing:.14em;font-size:.82rem}

/* Copertina */
.frontis{padding:clamp(30px,4.6vw,56px) 0 0;border-bottom:2px solid var(--ink)}
.file-bar{display:flex;flex-wrap:wrap;gap:6px 26px;font-family:var(--cond);font-size:.79rem;
  letter-spacing:.17em;text-transform:uppercase;color:var(--ink-soft);
  border-bottom:var(--rule);padding-bottom:12px;margin-bottom:clamp(22px,3vw,34px)}
.file-bar b{color:var(--ink);font-weight:700}
.frontis-cols{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
  gap:clamp(26px,4vw,52px);align-items:start;padding-bottom:clamp(30px,4vw,50px)}
.frontis-cols h1{max-width:22ch}
.cappello{font-size:1.12rem;color:var(--ink-2);max-width:56ch}
.frontis-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 24px}
.frontis-meta{margin:0;border-top:2px solid var(--ink);display:grid;
  grid-template-columns:auto minmax(0,1fr)}
.frontis-meta dt{font-family:var(--cond);text-transform:uppercase;letter-spacing:.15em;
  font-size:.76rem;color:var(--ink-soft);padding:10px 18px 10px 0;border-bottom:var(--rule)}
.frontis-meta dd{margin:0;padding:10px 0;border-bottom:var(--rule);font-size:.95rem}
.frontis-art{border:2px solid var(--ink);background:var(--paper);padding:14px}
.frontis-art figcaption{font-family:var(--cond);text-transform:uppercase;letter-spacing:.14em;
  font-size:.74rem;color:var(--ink-soft);margin-top:10px;border-top:var(--rule);padding-top:9px}

/* Bottoni */
.btn{display:inline-block;font-family:var(--cond);text-transform:uppercase;letter-spacing:.15em;
  font-size:.84rem;font-weight:700;background:var(--ink);color:#fff;border:2px solid var(--ink);
  padding:12px 20px;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--amber);border-color:var(--amber);color:#fff}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--amber-wash);color:var(--ink);border-color:var(--ink)}
.linkbtn{font-family:var(--cond);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;
  background:none;border:0;border-bottom:2px solid var(--amber-2);color:inherit;
  padding:2px 0;cursor:pointer}

/* Schede dossier */
.dossier-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(258px,1fr))}
.dossier{border:1px solid var(--line);border-top:4px solid var(--ink);background:var(--paper);
  padding:20px;display:flex;flex-direction:column;gap:8px;text-decoration:none}
.dossier:hover{border-top-color:var(--amber-2);background:var(--paper-2)}
.dossier .dossier-tag{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;
  color:var(--amber);text-transform:uppercase}
.dossier h3{margin:0}
.dossier p{margin:0;font-size:.96rem;color:var(--ink-soft)}
.dossier .dossier-meta{margin-top:auto;font-family:var(--cond);text-transform:uppercase;
  letter-spacing:.14em;font-size:.75rem;color:var(--ink-soft)}
.band--ink .dossier{background:#191e25;border-color:#333b45;border-top-color:var(--amber-2)}
.band--ink .dossier p,.band--ink .dossier .dossier-meta{color:#c3cbd4}

.stat-strip{display:grid;gap:1px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  background:var(--line);border:1px solid var(--line);margin:26px 0}
.stat-strip div{background:var(--paper);padding:16px 18px}
.stat-strip b{display:block;font-size:1.5rem;font-family:var(--cond);letter-spacing:.02em}
.stat-strip span{font-family:var(--cond);text-transform:uppercase;letter-spacing:.14em;
  font-size:.74rem;color:var(--ink-soft)}

.duo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,48px);
  align-items:center}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0;padding:0;list-style:none}
.pill-row li{font-family:var(--cond);text-transform:uppercase;letter-spacing:.13em;font-size:.76rem;
  border:1px solid var(--ink);padding:7px 11px}

/* Corpo documento */
.doc-layout{display:grid;grid-template-columns:minmax(0,238px) minmax(0,1fr);
  gap:clamp(26px,4vw,52px);padding:clamp(30px,4vw,52px) 0}
.evidence-rail{position:sticky;top:96px;align-self:start;border-left:3px solid var(--amber-2);
  padding-left:16px;font-size:.92rem}
.evidence-rail strong{display:block;font-family:var(--cond);text-transform:uppercase;
  letter-spacing:.16em;font-size:.76rem;color:var(--ink-soft);margin-bottom:10px}
.evidence-rail ol{margin:0;padding-left:1.15em}
.evidence-rail li{margin-bottom:7px}
.docbody{max-width:74ch}
.docbody>section{padding-bottom:6px;margin-bottom:26px}
.docbody>section+section{border-top:var(--rule);padding-top:26px}
.sec-no{display:inline-block;font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;
  color:var(--amber);background:var(--amber-wash);padding:3px 8px;margin-bottom:10px}
.docbody.standalone{max-width:none}
.page-head{padding:clamp(28px,4vw,48px) 0 clamp(20px,3vw,32px);border-bottom:2px solid var(--ink)}
.page-head p{max-width:62ch;margin:0}
.mark-note{border-left:4px solid var(--amber-2);background:var(--amber-wash);padding:14px 18px;
  margin:0 0 18px;font-size:.97rem}

/* Tabelle */
.ledger-wrap{overflow-x:auto;margin:0 0 26px;border:1px solid var(--line)}
.ledger{width:100%;border-collapse:collapse;font-size:.95rem;min-width:520px}
.ledger caption{text-align:left;font-family:var(--cond);text-transform:uppercase;
  letter-spacing:.15em;font-size:.76rem;color:var(--ink-soft);padding:12px 14px;
  border-bottom:1px solid var(--line);background:var(--paper-2)}
.ledger th,.ledger td{border-bottom:1px solid var(--line);padding:11px 14px;
  text-align:left;vertical-align:top}
.ledger thead th{font-family:var(--cond);text-transform:uppercase;letter-spacing:.1em;
  font-size:.78rem;background:var(--paper-2)}
.ledger tbody th{font-weight:700;background:#fbfcfd}
.ledger tbody tr:last-child th,.ledger tbody tr:last-child td{border-bottom:0}

/* Elenchi di controllo */
.tick-list{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:9px}
.tick-list li{position:relative;padding-left:32px;border-bottom:1px dashed var(--line);
  padding-bottom:9px}
.tick-list li::before{content:"";position:absolute;left:0;top:4px;width:16px;height:16px;
  border:2px solid var(--ink);background:var(--amber-wash)}
.tick-list li::after{content:"";position:absolute;left:4px;top:8px;width:9px;height:5px;
  border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);transform:rotate(-45deg)}

/* Elenco terminologico */
.termlist{margin:0 0 26px;border-top:2px solid var(--ink)}
.termlist dt{font-weight:700;font-family:var(--cond);text-transform:uppercase;
  letter-spacing:.09em;font-size:1rem;padding:16px 0 4px;border-top:1px solid var(--line)}
.termlist dt:first-of-type{border-top:0}
.termlist dd{margin:0 0 4px;padding:0 0 14px 0;color:var(--ink-2);max-width:80ch}
.termlist dd::before{content:"\2014\00a0";color:var(--amber)}

/* Sequenze numerate */
.timeline{list-style:none;counter-reset:step;margin:0 0 24px;padding:0}
.timeline li{counter-increment:step;position:relative;padding:0 0 18px 54px;
  border-left:2px solid var(--line);margin-left:14px}
.timeline li:last-child{border-left-color:transparent;padding-bottom:0}
.timeline li::before{content:counter(step,decimal-leading-zero);position:absolute;left:-15px;top:0;
  width:30px;height:30px;display:grid;place-items:center;background:var(--ink);color:var(--amber-2);
  font-family:var(--mono);font-size:.78rem}
.timeline strong{display:block;margin-bottom:3px}
.timeline span{color:var(--ink-soft);font-size:.97rem}

/* Formule e riquadri */
.formula-box{border:2px solid var(--ink);padding:18px;margin:0 0 24px;background:var(--paper-2)}
.formula-box code{display:block;background:var(--paper);border:1px solid var(--line);
  padding:10px 12px;margin-bottom:8px;overflow-x:auto}
.formula-box p{margin:8px 0 0;font-size:.95rem;color:var(--ink-soft)}
.flagbox{border:1px solid var(--line);border-left:5px solid var(--ink);background:var(--paper-2);
  padding:18px 20px;margin:0 0 24px}
.flagbox h2{font-size:1.06rem;margin-bottom:.4em}
.flagbox p{margin:0;font-size:.97rem}
.flagbox--warn{border-left-color:var(--amber-2);background:var(--amber-wash)}

/* Domande */
.qa{border:1px solid var(--line);border-left:4px solid var(--ink);margin-bottom:10px;
  background:var(--paper)}
.qa summary{cursor:pointer;padding:13px 16px;font-weight:700;font-size:1rem}
.qa summary::marker{color:var(--amber)}
.qa[open]{border-left-color:var(--amber-2);background:var(--paper-2)}
.qa-body{padding:0 16px 14px}
.qa-body p{margin:0}
.qa-group{margin-bottom:30px}
.qa-group>h2{border-bottom:2px solid var(--ink);padding-bottom:8px}

/* Calcolatore campione */
.probe{border:2px solid var(--ink);padding:20px;margin:0 0 22px;background:var(--paper)}
.probe-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  margin-bottom:16px}
.probe-grid label{display:flex;flex-direction:column;gap:6px;font-family:var(--cond);
  text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;color:var(--ink-soft)}
.probe-grid input,.probe-grid select,.probe-grid textarea{font:400 1rem/1.4 var(--mono);
  padding:10px;border:1px solid var(--ink);background:var(--paper);color:var(--ink)}
.probe-grid--wide{grid-template-columns:minmax(0,1fr)}
.probe-grid textarea{font:400 1rem/1.55 var(--sans);resize:vertical;min-height:9.5em}
.probe-consent{display:flex;gap:12px;align-items:flex-start;margin:0 0 16px;font-size:.95rem}
.probe-consent input{flex:none;width:18px;height:18px;margin:4px 0 0;accent-color:var(--amber)}
.probe-consent label{color:var(--ink-2)}
.probe-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:2px}
.probe-out{display:grid;gap:1px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  background:var(--line);border:1px solid var(--line)}
.probe-out p{margin:0;background:var(--paper-2);padding:14px}
.probe-out span{display:block;font-family:var(--cond);text-transform:uppercase;
  letter-spacing:.13em;font-size:.74rem;color:var(--ink-soft)}
.probe-out strong{font-size:1.3rem;font-family:var(--mono)}
.probe-error{margin:0 0 14px;background:#fdecec;border-left:4px solid #a1160f;color:#7c110c;
  padding:11px 14px;font-size:.95rem}
.probe-note{font-size:.9rem;color:var(--ink-soft);margin:14px 0 0}

/* Navigazione di coda */
.next-file{border-top:2px solid var(--ink);padding-top:16px;display:flex;gap:18px;flex-wrap:wrap;
  align-items:center}
.next-file .kicker{margin:0}
.next-file a{font-family:var(--cond);text-transform:uppercase;letter-spacing:.13em;font-size:.82rem}

/* Struttura del sito */
.sitemap-cluster{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  margin-bottom:26px}
.sitemap-cluster section{border-top:3px solid var(--ink);padding-top:12px}
.sitemap-cluster h2{font-size:1rem}
.sitemap-cluster ul{list-style:none;padding:0;margin:0;display:grid;gap:6px;font-size:.96rem}

/* Colophon */
.colophon{background:var(--ink);color:#dfe4ea;padding:clamp(34px,4.5vw,56px) 0 26px;font-size:.96rem}
.colophon a{color:#fff;text-decoration:none;border-bottom:1px solid #4a545f}
.colophon a:hover{border-bottom-color:var(--amber-2);color:var(--amber-2)}
.colophon-grid{display:grid;gap:28px;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));
  padding-bottom:26px;border-bottom:1px solid #333b45}
.colophon-grid h2{font-family:var(--cond);text-transform:uppercase;letter-spacing:.17em;
  font-size:.78rem;color:var(--amber-2)}
.colophon-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.colophon-brand{font-family:var(--cond);text-transform:uppercase;letter-spacing:.15em;
  font-size:1.02rem;color:#fff;display:block;margin-bottom:10px}
.colophon address{font-style:normal;color:#b9c2cb;font-size:.92rem;margin-top:12px}
.limits-box{border:1px solid #3b444e;background:#171c22;padding:18px 20px;margin:24px 0;
  font-size:.91rem;color:#c8d0d8}
.limits-box strong{color:var(--amber-2)}
.colophon-base{display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap;
  font-family:var(--cond);text-transform:uppercase;letter-spacing:.13em;font-size:.76rem;
  color:#98a3ae}

/* Varco di primo accesso */
.gate{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:18px;
  background:rgba(12,15,19,.62);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.gate[hidden]{display:none}
.gate-card{background:var(--paper);border:2px solid var(--ink);max-width:660px;width:100%;
  padding:clamp(20px,3vw,32px);max-height:92vh;overflow:auto}
.gate-card h2{font-size:1.4rem}
.gate-card p{font-size:.98rem}
.gate-card ul{font-size:.96rem}

/* Barra di archiviazione locale */
.storage-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--paper);
  border-top:3px solid var(--ink);padding:16px 0;box-shadow:0 -10px 26px rgba(17,20,24,.14)}
.storage-bar[hidden]{display:none}
.storage-bar .gutter{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.storage-bar p{margin:0;font-size:.92rem;max-width:64ch}
.storage-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-left:auto}

@media (max-width:920px){
  .frontis-cols,.duo,.doc-layout,.colophon-grid{grid-template-columns:minmax(0,1fr)}
  .evidence-rail{position:static}
  .menu-btn{display:inline-block}
  .mainnav{display:none;width:100%;flex-direction:column;padding-bottom:12px}
  .mainnav.open{display:flex}
  .mainnav a{border-bottom:1px solid var(--line);padding:12px 2px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media print{
  .masthead,.storage-bar,.gate,.evidence-rail{display:none}
  body{font-size:12pt}
}