/* icf.css — design system ilcodicefiscale.com (2026) */
:root{
  --verde:#1f6b2e; --verde-scuro:#0c4a1c; --verde-chiaro:#e6f2e2; --verde-tenue:#f3f9f1; --verde-lime:#6d9e1e;
  --blu:#1f2a44; --blu-2:#2c3a5c; --testo:#1d2433; --grigio:#5b6576; --bordo:#dfe5ec; --sfondo:#f6f8fb;
  --rosso:#c62828; --rosso-chiaro:#fdecea; --giallo:#b26a00; --giallo-chiaro:#fff5e0; --blu-info:#1565c0; --blu-info-chiaro:#e8f1fc;
  --r:14px; --r-s:9px; --ombra:0 1px 2px rgba(16,24,40,.05),0 8px 24px rgba(16,24,40,.07);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.65;color:var(--testo);background:#fff}
img{max-width:100%;height:auto}
a{color:var(--verde-scuro);text-underline-offset:3px}
a:hover{color:var(--verde)}
h1,h2,h3,h4{line-height:1.25;color:var(--blu);margin:0 0 .6em}
h1{font-size:clamp(1.75rem,3.6vw,2.6rem);letter-spacing:-.02em}
h2{font-size:clamp(1.35rem,2.4vw,1.75rem);margin-top:2.2em;letter-spacing:-.01em}
h3{font-size:1.15rem;margin-top:1.6em}
p{margin:0 0 1em}
ul,ol{padding-left:1.3em;margin:0 0 1em}
li{margin-bottom:.35em}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.wrap-s{max-width:860px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}

/* Header */
.icf-top{background:var(--blu);color:#cfd6e4;font-size:.85rem}
.icf-top .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:6px;padding-bottom:6px}
.icf-top a{color:#fff;text-decoration:none}
.icf-header{background:#fff;border-bottom:1px solid var(--bordo);position:sticky;top:0;z-index:50}
.icf-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.icf-logo img{display:block;width:250px;height:auto}
.icf-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
.icf-nav li{position:relative;margin:0}
.icf-nav a,.icf-nav .lbl{display:block;padding:10px 12px;border-radius:8px;color:var(--blu);text-decoration:none;font-weight:600;font-size:.95rem;white-space:nowrap;cursor:pointer}
.icf-nav a:hover,.icf-nav li:hover>.lbl{background:var(--verde-tenue);color:var(--verde-scuro)}
.icf-nav .cta{background:var(--verde);color:#fff}.icf-nav .cta:hover{background:var(--verde-scuro);color:#fff}
.icf-nav .sub{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--bordo);border-radius:12px;box-shadow:var(--ombra);padding:8px;min-width:300px;flex-direction:column;align-items:stretch;gap:0}
.icf-nav .sub a{font-weight:500;white-space:normal}
.icf-nav li:hover>.sub,.icf-nav li:focus-within>.sub{display:flex}
.icf-nav .sub.wide{min-width:560px;display:none;grid-template-columns:1fr 1fr}
.icf-nav li:hover>.sub.wide,.icf-nav li:focus-within>.sub.wide{display:grid}
.icf-nav .sub .h{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--grigio);padding:8px 12px 2px;font-weight:700}
#nav-t{display:none}
.nav-btn{display:none;width:44px;height:44px;border:1px solid var(--bordo);border-radius:10px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-btn span,.nav-btn span::before,.nav-btn span::after{display:block;width:20px;height:2px;background:var(--blu);position:relative;content:""}
.nav-btn span::before{position:absolute;top:-6px}.nav-btn span::after{position:absolute;top:6px}
@media (max-width:980px){
  .icf-logo img{width:190px}
  .nav-btn{display:flex}
  .icf-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--bordo);box-shadow:var(--ombra);max-height:80vh;overflow:auto}
  #nav-t:checked~.icf-nav{display:block}
  .icf-nav ul{flex-direction:column;align-items:stretch;padding:10px}
  .icf-nav .sub,.icf-nav .sub.wide{display:flex;position:static;box-shadow:none;border:0;padding:0 0 0 12px;min-width:0}
  .icf-nav .sub.wide{grid-template-columns:1fr}
  .icf-top .soc{display:none}
}

/* Breadcrumb + hero */
.crumbs{font-size:.85rem;color:var(--grigio);padding:14px 0 0}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li{margin:0}.crumbs li+li::before{content:"›";margin-right:6px;color:#9aa3b2}
.crumbs a{color:var(--grigio)}
.hero{background:linear-gradient(180deg,var(--verde-tenue),#fff);border-bottom:1px solid var(--bordo);padding:26px 0 34px}
.hero .lead{font-size:1.15rem;color:#38425a;max-width:760px}
.hero .meta{font-size:.85rem;color:var(--grigio);display:flex;gap:16px;flex-wrap:wrap;margin-top:10px}
.risposta{background:#fff;border:1px solid var(--bordo);border-left:5px solid var(--verde);border-radius:var(--r);padding:16px 20px;margin:18px 0 0;max-width:860px;box-shadow:var(--ombra)}
.risposta strong:first-child{color:var(--verde-scuro)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--bordo);border-radius:999px;padding:7px 14px;font-size:.92rem;color:var(--blu);text-decoration:none;font-weight:600}
.chip:hover{border-color:var(--verde);color:var(--verde-scuro)}

/* Layout pagina */
.pagina{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;padding:30px 0 50px}
.pagina>article{min-width:0}
@media (max-width:980px){.pagina{grid-template-columns:1fr;gap:20px}}
aside .box{position:sticky;top:90px}
.side{background:var(--sfondo);border:1px solid var(--bordo);border-radius:var(--r);padding:18px;margin-bottom:18px}
.side h3{margin-top:0;font-size:1rem}
.side ul{list-style:none;padding:0;margin:0}
.side li{margin:0;border-top:1px solid var(--bordo)}
.side li:first-child{border-top:0}
.side li a{display:block;padding:8px 0;text-decoration:none;color:var(--blu);font-size:.95rem}
.side li a:hover{color:var(--verde-scuro)}

/* Tool */
.tool{background:#fff;border:1px solid var(--bordo);border-radius:18px;box-shadow:var(--ombra);padding:22px;margin:22px 0}
.tool-h{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.tool-h .ico{width:38px;height:38px;border-radius:10px;background:var(--verde-chiaro);color:var(--verde-scuro);border-bottom:3px solid var(--verde-lime);display:flex;align-items:center;justify-content:center;font-weight:800}
.tool-h h2,.tool-h h3{margin:0;font-size:1.2rem}
.tool label{display:block;font-weight:600;font-size:.92rem;margin-bottom:5px;color:var(--blu)}
.tool input,.tool select,.tool textarea{width:100%;font:inherit;font-size:1rem;padding:12px 14px;border:1.5px solid var(--bordo);border-radius:var(--r-s);background:#fff;color:var(--testo)}
.tool input:focus,.tool select:focus,.tool textarea:focus{outline:none;border-color:var(--verde);box-shadow:0 0 0 4px rgba(31,107,46,.18)}
.tool .cf-in{font-family:var(--mono);font-size:1.25rem;letter-spacing:.12em;text-transform:uppercase}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px}
@media (max-width:620px){.grid2,.grid3{grid-template-columns:1fr}}
.f{margin-bottom:14px;position:relative}
.seg{display:flex;gap:8px}.seg label{flex:1;margin:0}
.seg input{position:absolute;opacity:0;width:0}
.seg span{display:block;text-align:center;padding:11px;border:1.5px solid var(--bordo);border-radius:var(--r-s);font-weight:600;cursor:pointer}
.seg input:checked+span{border-color:var(--verde);background:var(--verde-chiaro);color:var(--verde-scuro)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;font-size:1rem;padding:13px 22px;border-radius:var(--r-s);border:0;background:var(--verde);color:#fff;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--verde-scuro);color:#fff}
.btn.full{width:100%}
.btn.sec{background:#fff;color:var(--blu);border:1.5px solid var(--bordo)}.btn.sec:hover{border-color:var(--verde);color:var(--verde-scuro)}
.row-in{display:flex;gap:10px}.row-in input{flex:1}
@media (max-width:520px){.row-in{flex-direction:column}}
.ac{position:absolute;left:0;right:0;top:100%;background:#fff;border:1px solid var(--bordo);border-radius:10px;box-shadow:var(--ombra);z-index:20;max-height:260px;overflow:auto;margin-top:4px;display:none}
.ac div{padding:9px 12px;cursor:pointer}.ac div:hover,.ac div.on{background:var(--verde-tenue)}
.hint{font-size:.85rem;color:var(--grigio);margin-top:6px}
.esito{margin-top:18px;display:none}
.esito.on{display:block}
.badge{display:inline-flex;align-items:center;gap:8px;font-weight:800;padding:8px 14px;border-radius:999px;font-size:1rem}
.badge.ok{background:var(--verde-chiaro);color:var(--verde-scuro)}
.badge.ko{background:var(--rosso-chiaro);color:var(--rosso)}
.checks{list-style:none;padding:0;margin:14px 0 0;border:1px solid var(--bordo);border-radius:12px;overflow:hidden}
.checks li{display:grid;grid-template-columns:28px 1fr;gap:8px;padding:11px 14px;margin:0;border-top:1px solid var(--bordo)}
.checks li:first-child{border-top:0}
.checks .i{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.85rem}
.checks .ok .i{background:var(--verde-chiaro);color:var(--verde-scuro)}
.checks .ko{background:#fffafa}.checks .ko .i{background:var(--rosso-chiaro);color:var(--rosso)}
.checks .nf .i{background:var(--blu-info-chiaro);color:var(--blu-info)}
.checks b{display:block;color:var(--blu)}
.checks small{display:block;color:var(--grigio);font-size:.9rem;line-height:1.5}
.cf-out{font-family:var(--mono);font-size:clamp(1.3rem,4vw,2rem);letter-spacing:.14em;font-weight:800;color:var(--blu);background:var(--verde-tenue);border:2px dashed var(--verde);border-radius:12px;padding:14px;text-align:center;word-break:break-all}
.cf-split{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:12px}
.cf-split span{font-family:var(--mono);background:#fff;border:1px solid var(--bordo);border-radius:8px;padding:6px 8px;text-align:center;font-size:.8rem;color:var(--grigio)}
.cf-split span b{display:block;font-size:1.1rem;color:var(--blu);letter-spacing:.08em}
.dati{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:12px}
.dati div{background:var(--sfondo);border-radius:10px;padding:10px 12px}
.dati small{display:block;color:var(--grigio);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}
.dati b{color:var(--blu)}

/* Box contenuto */
.nota{border-radius:var(--r);padding:16px 18px;margin:20px 0;border:1px solid}
.nota p:last-child,.nota ul:last-child{margin-bottom:0}
.nota.info{background:var(--blu-info-chiaro);border-color:#c7dcf6}
.nota.att{background:var(--giallo-chiaro);border-color:#f3dcae}
.nota.ok{background:var(--verde-tenue);border-color:#cfe6cb}
.nota .t{font-weight:800;display:block;margin-bottom:4px;color:var(--blu)}
.passi{counter-reset:p;list-style:none;padding:0}
.passi>li{counter-increment:p;position:relative;padding:4px 0 10px 52px;margin:0 0 6px}
.passi>li::before{content:counter(p);position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:50%;background:var(--verde);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.passi>li b{display:block;color:var(--blu)}
.casi{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:18px 0}
.caso{border:1px solid var(--bordo);border-radius:var(--r);padding:16px;background:#fff}
.caso h3{margin-top:0;font-size:1.05rem}
.caso p{font-size:.95rem;margin:0}
table.t{width:100%;border-collapse:collapse;margin:16px 0;font-size:.95rem}
table.t th,table.t td{border:1px solid var(--bordo);padding:10px 12px;text-align:left;vertical-align:top}
table.t th{background:var(--sfondo);color:var(--blu)}
.tabwrap{overflow-x:auto}
.faq details{border:1px solid var(--bordo);border-radius:12px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;padding:14px 18px;font-weight:700;color:var(--blu);list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:10px;font-size:1.4rem;color:var(--verde)}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 18px 14px}
.fonti{font-size:.92rem;background:var(--sfondo);border-radius:var(--r);padding:16px 20px;margin-top:30px}
.fonti ul{margin:0}
.firma{font-size:.85rem;color:var(--grigio);border-top:1px solid var(--bordo);padding-top:14px;margin-top:30px}
.correlate{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:16px 0}
.correlate a{display:block;border:1px solid var(--bordo);border-radius:12px;padding:14px;text-decoration:none;color:var(--blu);font-weight:700;background:#fff}
.correlate a span{display:block;font-weight:400;color:var(--grigio);font-size:.9rem;margin-top:4px}
.correlate a:hover{border-color:var(--verde)}
.ads{margin:26px 0;min-height:100px;text-align:center}

/* Footer */
.icf-footer{background:var(--blu);color:#c5cddc;margin-top:40px;font-size:.93rem}
.icf-footer .cols{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:40px 0 26px}
@media (max-width:860px){.icf-footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.icf-footer .cols{grid-template-columns:1fr}}
.icf-footer h4{color:#fff;font-size:.95rem;margin:0 0 10px}
.icf-footer ul{list-style:none;padding:0;margin:0}
.icf-footer li{margin:0 0 6px}
.icf-footer a{color:#dfe5ef;text-decoration:none}.icf-footer a:hover{color:#fff;text-decoration:underline}
.icf-footer .legal{border-top:1px solid rgba(255,255,255,.12);padding:16px 0 22px;font-size:.82rem;color:#9fa9bc}

/* Home */
.home-hero{background:radial-gradient(1200px 400px at 10% -10%,#dff0dc 0,transparent 60%),linear-gradient(180deg,var(--verde-tenue),#fff);border-bottom:1px solid var(--bordo);padding:34px 0 40px}
.home-hero .grid{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:start}
@media (max-width:980px){.home-hero .grid{grid-template-columns:1fr;gap:18px}}
.home-hero h1{font-size:clamp(1.9rem,4vw,2.9rem)}
.home-hero .tool{margin:0}
.punti{list-style:none;padding:0;margin:18px 0}
.punti li{padding-left:30px;position:relative;margin-bottom:8px}
.punti li::before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;background:var(--verde);color:#fff;font-size:.75rem;display:flex;align-items:center;justify-content:center;font-weight:800}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0}
@media (max-width:980px){.tiles{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.tiles{grid-template-columns:1fr}}
.tile{display:block;background:#fff;border:1px solid var(--bordo);border-radius:16px;padding:18px;text-decoration:none;color:var(--blu);box-shadow:var(--ombra);transition:transform .15s,border-color .15s}
.tile:hover{transform:translateY(-2px);border-color:var(--verde);color:var(--blu)}
.tile .ico{width:42px;height:42px;border-radius:12px;background:var(--verde-chiaro);color:var(--verde-scuro);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2rem;margin-bottom:10px}
.tile b{display:block;font-size:1.05rem}
.tile span{display:block;color:var(--grigio);font-size:.92rem;margin-top:4px;line-height:1.45}
.sez{padding:10px 0 20px}
.sez h2{margin-top:1.6em}
.esempio-cf{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.esempio-cf div{flex:1 1 90px;border-radius:12px;padding:12px 10px;text-align:center;background:var(--sfondo);border:1px solid var(--bordo)}
.esempio-cf b{display:block;font-family:var(--mono);font-size:1.35rem;color:var(--blu);letter-spacing:.08em}
.esempio-cf small{color:var(--grigio);font-size:.8rem;line-height:1.3;display:block;margin-top:4px}
.esempio-cf div:nth-child(1),.esempio-cf div:nth-child(2){background:#eef5ff}
.esempio-cf div:nth-child(3),.esempio-cf div:nth-child(4),.esempio-cf div:nth-child(5){background:var(--verde-tenue)}
.esempio-cf div:nth-child(6){background:#fff7e8}
.esempio-cf div:nth-child(7){background:#fdeeee}
.colonne{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media (max-width:860px){.colonne{grid-template-columns:1fr}}
.lista-link{list-style:none;padding:0;margin:0;border:1px solid var(--bordo);border-radius:14px;overflow:hidden;background:#fff}
.lista-link li{margin:0;border-top:1px solid var(--bordo)}.lista-link li:first-child{border-top:0}
.lista-link a{display:flex;justify-content:space-between;gap:10px;padding:12px 16px;text-decoration:none;color:var(--blu);font-weight:600}
.lista-link a span{color:var(--grigio);font-weight:400;font-size:.9rem;text-align:right}
.lista-link a:hover{background:var(--verde-tenue)}
.legale h3{margin-top:1.4em}.legale p,.legale li{font-size:.98rem}