/* Centro assistenza (aiuto.html) */
body{margin:0;background:var(--bg);color:var(--tx);font-family:var(--font)}
a{color:var(--brand)}
[hidden]{display:none!important}
.hc-wrap{max-width:1240px;margin:0 auto;padding:0 var(--gut,16px)}
.vx-top .vx-btn{color:var(--surface)}
.vx-top .vx-top-link{color:var(--tx)}
.hc-top-title{margin-right:auto;margin-left:.9rem;padding-left:.9rem;border-left:1px solid var(--br2);font-weight:700;font-size:.95rem;color:var(--tx);text-decoration:none}
@media (max-width:640px){.hide-s{display:none!important}}
svg{flex-shrink:0}

/* ── Ricerca ───────────────────────────────── */
.hc-search-box{position:relative;max-width:640px;margin:0 auto}
.hc-search{display:flex;align-items:center;gap:.75rem;padding:0 1.1rem 0 1.25rem;min-height:60px;border:1px solid var(--br2);border-radius:var(--pill);
  background:var(--surface);box-shadow:0 2px 6px rgba(0,0,0,.04),0 10px 28px rgba(0,0,0,.08);color:var(--tm);transition:box-shadow .25s,border-color .25s;cursor:text}
.hc-search:focus-within{border-color:var(--tx);box-shadow:0 0 0 4px rgba(11,51,181,.1),0 10px 28px rgba(0,0,0,.08)}
.hc-search input{flex:1;min-width:0;border:0;outline:0;background:none;font:inherit;font-size:1rem;color:var(--tx)}
.hc-search kbd{font:600 .78rem var(--font);padding:.15rem .5rem;border:1px solid var(--br2);border-radius:6px;color:var(--tm)}
.hc-search-inline .hc-search-box{max-width:none;margin:0 0 1.25rem}
.hc-search-inline .hc-search{min-height:50px;box-shadow:none}
.hc-sug{position:absolute;z-index:30;top:calc(100% + 8px);left:0;right:0;max-height:min(70vh,520px);overflow:auto;padding:.4rem;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--br);box-shadow:var(--shadow-pop);text-align:left;animation:vxRise .25s var(--ease) both}
.hc-sug-i{display:flex;align-items:center;gap:.8rem;padding:.65rem .7rem;border-radius:var(--r);color:var(--tx);text-decoration:none}
.hc-sug-i:hover,.hc-sug-i.on{background:var(--surface2)}
.hc-sug-i b{display:block;font-size:.93rem;font-weight:700}
.hc-sug-i small{display:block;font-size:.78rem;color:var(--tm);margin-top:.1rem}
.hc-sug-ico{width:36px;height:36px;border-radius:10px;background:var(--surface2);display:flex;align-items:center;justify-content:center;color:var(--tx)}
.hc-sug-ico svg{width:18px;height:18px}
.hc-sug-all{display:flex;align-items:center;justify-content:center;gap:.4rem;margin-top:.25rem;padding:.7rem;border-top:1px solid var(--br);font-weight:700;font-size:.88rem;color:var(--tx);text-decoration:none}
.hc-sug-all:hover,.hc-sug-all.on{background:var(--surface2);border-radius:var(--r)}
.hc-sug-all svg{width:16px;height:16px}
.hc-sug-none{padding:1rem;color:var(--tm);font-size:.92rem;text-align:center}
mark{background:rgba(47,91,240,.18);color:inherit;border-radius:3px;padding:0 .1em}

/* ── Home ──────────────────────────────────── */
.hc-hero{position:relative;padding:clamp(2.5rem,7vw,5rem) 0 clamp(2rem,5vw,3rem);text-align:center}
.hc-hero::before{content:'';position:absolute;inset:-30% -10% 0;z-index:-1;pointer-events:none;
  background:radial-gradient(40% 50% at 80% 10%,rgba(47,91,240,.14),transparent 70%),radial-gradient(35% 40% at 15% 0%,rgba(11,51,181,.08),transparent 70%)}
.hc-hero h1{margin:0 0 .6rem;font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800;letter-spacing:-.045em;line-height:1.05;animation:vxRise .6s var(--ease) both}
.hc-hero p{margin:0 auto 1.75rem;max-width:56ch;color:var(--tm);font-size:clamp(1rem,1.5vw,1.12rem);line-height:1.55;animation:vxRise .6s .06s var(--ease) both}
.hc-hero .hc-search-slot{animation:vxRise .6s .12s var(--ease) both;position:relative;z-index:20}

.hc-aud{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:clamp(2.5rem,5vw,3.5rem)}
.hc-aud-card{display:flex;align-items:center;gap:1rem;padding:1.25rem 1.35rem;border:1px solid var(--br);border-radius:var(--r-lg);background:var(--surface);
  color:var(--tx);text-decoration:none;transition:box-shadow .25s,transform .35s var(--spring),border-color .25s}
.hc-aud-card:hover{box-shadow:var(--shadow-card);border-color:transparent;transform:translateY(-2px)}
.hc-aud-card b{display:block;font-size:1.05rem;font-weight:800;letter-spacing:-.02em}
.hc-aud-card small{display:block;margin-top:.2rem;color:var(--tm);font-size:.88rem;line-height:1.45}
.hc-aud-ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;
  background:linear-gradient(135deg,var(--brand-hi),var(--brand-lo))}
.hc-aud-card:nth-child(2) .hc-aud-ico{background:var(--tx);color:var(--bg)}
.hc-aud-ico svg{width:24px;height:24px}
.hc-aud-go{margin-left:auto;color:var(--tm);transition:transform .3s var(--spring)}
.hc-aud-go svg{width:20px;height:20px}
.hc-aud-card:hover .hc-aud-go{transform:translateX(4px);color:var(--tx)}

.hc-sec{margin-bottom:clamp(2.5rem,5vw,3.5rem);scroll-margin-top:90px}
.hc-sec-head{margin-bottom:1.25rem}
.hc-sec-head h2{margin:0 0 .3rem;font-size:clamp(1.5rem,2.6vw,1.9rem);font-weight:800;letter-spacing:-.035em}
.hc-sec-head p{margin:0;color:var(--tm);line-height:1.55}
.hc-cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.9rem}
.hc-cat{display:flex;flex-direction:column;gap:.25rem;padding:1.2rem;border:1px solid var(--br);border-radius:var(--r-lg);background:var(--surface);
  color:var(--tx);text-decoration:none;transition:box-shadow .25s,transform .35s var(--spring),border-color .25s}
.hc-cat:hover{box-shadow:var(--shadow-card);border-color:transparent;transform:translateY(-3px)}
.hc-cat b{margin-top:.65rem;font-size:1rem;font-weight:800;letter-spacing:-.015em}
.hc-cat small{color:var(--tm);font-size:.86rem;line-height:1.45}
.hc-cat em{margin-top:auto;padding-top:.7rem;font-style:normal;font-size:.78rem;font-weight:700;color:var(--ts)}
.hc-cat-ico{width:44px;height:44px;border-radius:12px;background:var(--surface2);display:flex;align-items:center;justify-content:center;color:var(--tx);transition:background .25s,color .25s}
.hc-cat-ico svg{width:22px;height:22px}
.hc-cat:hover .hc-cat-ico{background:var(--brand);color:#fff}
.hc-cat-ico.big{width:56px;height:56px;border-radius:16px}
.hc-cat-ico.big svg{width:26px;height:26px}

.hc-pop{margin-bottom:2rem}
.hc-pop h2{margin:0 0 1rem;font-size:clamp(1.5rem,2.6vw,1.9rem);font-weight:800;letter-spacing:-.035em}
.hc-pop-list{display:grid;grid-template-columns:1fr 1fr;gap:0 2rem}
.hc-pop-list a{display:flex;align-items:center;gap:.75rem;padding:.95rem .25rem;border-bottom:1px solid var(--br);color:var(--tx);text-decoration:none;font-weight:600}
.hc-pop-list a span{flex:1}
.hc-pop-list a small{color:var(--ts);font-size:.78rem;font-weight:600}
.hc-pop-list a svg{width:16px;height:16px;color:var(--ts);transition:transform .3s var(--spring)}
.hc-pop-list a:hover svg{transform:translateX(3px);color:var(--tx)}

/* ── Pagine interne ────────────────────────── */
.hc-doc{display:grid;grid-template-columns:260px minmax(0,1fr) 210px;gap:clamp(1.5rem,3.5vw,3.5rem);padding-top:2rem;padding-bottom:3rem;align-items:start}
.hc-main{min-width:0;max-width:760px}

.hc-nav{position:sticky;top:90px;max-height:calc(100vh - 110px);overflow:auto;padding-bottom:1rem;scrollbar-width:thin}
.hc-nav-head{display:flex;align-items:center;gap:.5rem;margin-bottom:.9rem}
.hc-nav-switch{display:grid;grid-template-columns:1fr 1fr;flex:1;padding:.25rem;border-radius:var(--pill);background:var(--surface2);border:1px solid var(--br)}
.hc-nav-switch a{padding:.5rem;border-radius:var(--pill);text-align:center;font-size:.84rem;font-weight:700;color:var(--tm);text-decoration:none;transition:background .2s,color .2s}
.hc-nav-switch a.on{background:var(--surface);color:var(--tx);box-shadow:0 1px 3px rgba(0,0,0,.1)}
.hc-nav-x{display:none;width:40px;height:40px;border:0;border-radius:50%;background:var(--surface2);color:var(--tx);cursor:pointer;align-items:center;justify-content:center}
.hc-nav-x svg{width:18px;height:18px}
.hc-nav-t{display:flex;align-items:center;gap:.6rem;width:100%;padding:.55rem .6rem;border:0;border-radius:var(--r-sm);background:none;font:700 .9rem var(--font);color:var(--tx);cursor:pointer;text-align:left}
.hc-nav-t:hover{background:var(--surface2)}
.hc-nav-t > span:nth-child(2){flex:1}
.hc-nav-t > svg{width:15px;height:15px;color:var(--ts);transition:transform .3s var(--spring)}
.hc-nav-g.open .hc-nav-t > svg{transform:rotate(90deg)}
.hc-nav-ico{width:28px;height:28px;border-radius:8px;background:var(--surface2);display:flex;align-items:center;justify-content:center}
.hc-nav-ico svg{width:15px;height:15px}
.hc-nav-l{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease)}
.hc-nav-g.open .hc-nav-l{grid-template-rows:1fr}
.hc-nav-l > div{overflow:hidden;padding-left:1.45rem}
.hc-nav-l a{display:block;margin:.1rem 0;padding:.42rem .7rem;border-left:2px solid var(--br);font-size:.86rem;font-weight:500;color:var(--tm);text-decoration:none;transition:color .15s,border-color .15s}
.hc-nav-l a:hover{color:var(--tx);border-color:var(--br2)}
.hc-nav-l a.on{color:var(--tx);font-weight:700;border-color:var(--brand)}
.hc-nav-g + .hc-nav-g{margin-top:.15rem}
.hc-nav-other{display:flex;align-items:center;gap:.4rem;margin-top:1.25rem;padding:.75rem .6rem;border-top:1px solid var(--br);font-size:.86rem;font-weight:700;color:var(--tx);text-decoration:none}
.hc-nav-other svg{width:15px;height:15px}

.hc-nav-open{display:none}
.hc-crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:.35rem;margin-bottom:1.1rem;font-size:.84rem;color:var(--tm)}
.hc-crumbs a{color:var(--tm);text-decoration:none;font-weight:600}
.hc-crumbs a:hover{color:var(--tx);text-decoration:underline}
.hc-crumbs span{display:inline-flex;color:var(--tm)}
.hc-crumbs span svg{width:13px;height:13px;color:var(--ts)}

.hc-cat-head{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;animation:vxRise .45s var(--ease) both}
.hc-cat-head h1{margin:0;font-size:clamp(1.7rem,3.2vw,2.3rem);font-weight:800;letter-spacing:-.04em;line-height:1.1}
.hc-cat-head p{margin:.3rem 0 0;color:var(--tm);line-height:1.5}
.hc-list{display:grid;gap:.6rem}
.hc-li{position:relative;display:block;padding:1rem 2.8rem 1rem 1.15rem;border:1px solid var(--br);border-radius:var(--r-lg);background:var(--surface);color:var(--tx);text-decoration:none;
  transition:box-shadow .25s,border-color .25s,transform .35s var(--spring);animation:vxRise .45s var(--ease) both}
.hc-li:hover{box-shadow:var(--shadow-card);border-color:transparent;transform:translateY(-2px)}
.hc-li b{display:block;font-size:1rem;font-weight:700}
.hc-li small{display:block;margin-top:.25rem;color:var(--tm);font-size:.88rem;line-height:1.5}
.hc-li > svg{position:absolute;right:1rem;top:50%;width:18px;height:18px;margin-top:-9px;color:var(--ts)}
.hc-li-tag{display:block;margin-bottom:.25rem;font-size:.74rem;font-weight:700;color:var(--brand)}

/* Articolo */
.hc-art{animation:vxRise .45s var(--ease) both}
.hc-art h1{margin:0 0 .5rem;font-size:clamp(1.8rem,3.4vw,2.5rem);font-weight:800;letter-spacing:-.04em;line-height:1.1}
.hc-lead{margin:0 0 1.75rem!important;padding-bottom:1.5rem;border-bottom:1px solid var(--br);font-size:1.08rem!important;color:var(--tm)!important}
.hc-art h3{margin:2rem 0 .7rem;font-size:1.2rem;font-weight:800;letter-spacing:-.02em;scroll-margin-top:90px}
.hc-art p,.hc-art li,.hc-art dd{line-height:1.7;color:var(--tx);font-size:1rem}
.hc-art p{margin:0 0 .9rem}
.hc-art ol,.hc-art ul{margin:0 0 1rem;padding-left:1.35rem}
.hc-art li{margin:.35rem 0}
.hc-art li::marker{color:var(--tm);font-weight:700}
.hc-art code{font:600 .86em ui-monospace,SFMono-Regular,Menlo,monospace;padding:.12rem .4rem;border-radius:6px;background:var(--surface2);border:1px solid var(--br);word-break:break-word}
.hc-table{margin:.4rem 0 1.25rem;border:1px solid var(--br);border-radius:var(--r);overflow-x:auto}
.hc-art table{width:100%;border-collapse:collapse;font-size:.93rem}
.hc-art th,.hc-art td{padding:.75rem .9rem;text-align:left;vertical-align:top;line-height:1.5}
.hc-art th{background:var(--surface2);font-weight:700;font-size:.8rem;color:var(--tm)}
.hc-art td{border-top:1px solid var(--br)}
.hc-art td:first-child{font-weight:700}
.hc-note{padding:.95rem 1.05rem;border-radius:var(--r);background:rgba(11,51,181,.06);border:1px solid rgba(11,51,181,.14);font-size:.95rem!important}
.hc-quote{padding:1rem 1.15rem;border-left:3px solid var(--brand);border-radius:0 var(--r) var(--r) 0;background:var(--surface2);font-style:italic}
.hc-art details{border:1px solid var(--br);border-radius:var(--r);margin:.55rem 0;background:var(--surface);transition:box-shadow .2s}
.hc-art details[open]{box-shadow:var(--shadow-pop)}
.hc-art summary{list-style:none;cursor:pointer;padding:1rem 1.1rem;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.hc-art summary::-webkit-details-marker{display:none}
.hc-art summary::after{content:'';width:9px;height:9px;flex-shrink:0;border-right:2px solid var(--tm);border-bottom:2px solid var(--tm);transform:rotate(45deg) translate(-2px,-2px);transition:transform .3s var(--spring)}
.hc-art details[open] summary::after{transform:rotate(-135deg)}
.hc-art details p{padding:0 1.1rem 1rem;margin:0}
.hc-art dl{display:grid;grid-template-columns:max-content 1fr;gap:.6rem 1.25rem;margin:0}
.hc-art dt{font-weight:700}
.hc-art dd{margin:0;color:var(--tm)}

.hc-rel{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--br)}
.hc-rel h2{margin:0 0 .6rem;font-size:1rem;font-weight:800}
.hc-rel a{display:flex;align-items:center;justify-content:space-between;padding:.7rem 0;border-bottom:1px solid var(--br);color:var(--tx);text-decoration:none;font-weight:600;font-size:.95rem}
.hc-rel a svg{width:16px;height:16px;color:var(--ts)}
.hc-rel a:hover{color:var(--brand)}
.hc-pn{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-top:2rem}
.hc-pn a{display:block;padding:1rem 1.1rem;border:1px solid var(--br);border-radius:var(--r-lg);color:var(--tx);text-decoration:none;transition:box-shadow .25s,border-color .25s}
.hc-pn a:hover{box-shadow:var(--shadow-card);border-color:transparent}
.hc-pn small{display:flex;align-items:center;gap:.35rem;font-size:.78rem;font-weight:700;color:var(--tm)}
.hc-pn small svg{width:14px;height:14px}
.hc-pn b{display:block;margin-top:.3rem;font-size:.95rem}
.hc-pn .next{text-align:right}
.hc-pn .next small{justify-content:flex-end}

.hc-otp{position:sticky;top:90px;padding-top:4.6rem}
.hc-otp h6{margin:0 0 .6rem;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--ts)}
.hc-otp a{display:block;padding:.35rem 0 .35rem .8rem;border-left:2px solid var(--br);font-size:.84rem;color:var(--tm);text-decoration:none;line-height:1.4;transition:color .15s,border-color .15s}
.hc-otp a:hover{color:var(--tx)}
.hc-otp a.on{color:var(--tx);font-weight:700;border-color:var(--brand)}

.hc-help{margin:1rem 0 3rem;padding:2rem;border-radius:var(--r-xl);background:var(--surface2);text-align:center}
.hc-help h3{margin:0 0 .4rem;font-size:1.3rem;font-weight:800;letter-spacing:-.025em}
.hc-help p{margin:0 0 1.25rem;color:var(--tm)}
.hc-help .vx-btn{color:#fff;text-decoration:none}

.hc-foot{border-top:1px solid var(--br);background:var(--surface2);padding:1.5rem 0;font-size:.9rem;color:var(--tm)}
.hc-foot .hc-wrap{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.hc-foot nav{display:flex;gap:1.25rem;flex-wrap:wrap}
.hc-foot a{color:var(--tm);text-decoration:none;font-weight:600}
.hc-foot a:hover{color:var(--tx)}
.hc-sheet-ov{display:none}

/* ── Computer medio: niente "In questa pagina" ── */
@media (max-width:1180px){
  .hc-doc{grid-template-columns:250px minmax(0,1fr)}
  .hc-otp{display:none}
}

/* ── Tablet e telefono: indice in un foglio dal basso ── */
@media (max-width:900px){
  .hc-doc{grid-template-columns:1fr;padding-top:1.25rem}
  .hc-nav{position:fixed;left:0;right:0;bottom:0;top:auto;z-index:95;max-height:84vh;padding:1rem 1.1rem 1.5rem;border-radius:var(--r-xl) var(--r-xl) 0 0;
    background:var(--surface);box-shadow:0 -10px 40px rgba(0,0,0,.18);transform:translateY(105%);visibility:hidden;transition:transform .45s var(--spring),visibility 0s .45s}
  .hc-nav.sheet{transform:none;visibility:visible;transition:transform .45s var(--spring)}
  .hc-nav-x{display:flex}
  .hc-sheet-ov{display:block;position:fixed;inset:0;z-index:94;background:rgba(0,0,0,.4);opacity:0;visibility:hidden;transition:opacity .25s,visibility 0s .25s}
  .hc-sheet-ov.show{opacity:1;visibility:visible;transition:opacity .25s}
  .hc-nav-open{display:inline-flex;align-items:center;gap:.5rem;margin-bottom:1rem;padding:.6rem 1rem;border:1px solid var(--br2);border-radius:var(--pill);
    background:var(--surface);font:700 .88rem var(--font);color:var(--tx);cursor:pointer}
  .hc-aud{grid-template-columns:1fr}
  .hc-pop-list{grid-template-columns:1fr}
}
@media (max-width:640px){
  .hc-top-title{display:none}
  .hc-search{min-height:54px}
  .hc-cats{grid-template-columns:1fr 1fr;gap:.6rem}
  .hc-cat{padding:1rem}
  .hc-cat small{display:none}
  .hc-aud-card{padding:1rem}
  .hc-aud-go{display:none}
  .hc-pn{grid-template-columns:1fr}
  .hc-pn .next{text-align:left}
  .hc-pn .next small{justify-content:flex-start}
  .hc-art dl{grid-template-columns:1fr;gap:.1rem}
  .hc-art dd{margin-bottom:.6rem}
  .hc-cat-ico.big{display:none}
  .hc-pop-list a small{display:none}
}
.hc-art td code{white-space:nowrap}
.hc-aud-ico,.hc-cat-ico,.hc-sug-ico,.hc-nav-ico{flex-shrink:0}