:root{
  --blu:#1e40af; --blu-chiaro:#3b82f6; --scuro:#0f172a; --ink:#334155;
  --bordo:#e2e8f0; --bg:#f1f5f9; --surface:#f8fafc; --verde:#16a34a;
  --radius:1rem; --shadow:0 1px 2px rgba(15,23,42,.05),0 12px 32px -16px rgba(30,64,175,.18);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--ink)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 1rem}
.hide-sm{display:none}
@media(min-width:640px){.hide-sm{display:inline}}

/* topbar + header */
.topbar{background:var(--scuro);color:#fff;font-size:.82rem}
.topbar-inner{display:flex;gap:1.25rem;align-items:center;padding:.5rem 1rem}
.topbar-spacer{flex:1}
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--bordo);box-shadow:0 1px 3px rgba(0,0,0,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:1rem}
.logo-main{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;color:var(--blu-chiaro);line-height:1;display:block}
.logo-sub{font-size:.62rem;letter-spacing:.5em;color:#64748b}
.main-nav{display:none;gap:1.4rem;font-size:.92rem;font-weight:500}
.main-nav a:hover{color:var(--blu)}
.main-nav .nav-site{color:var(--blu);font-weight:700}
@media(min-width:1024px){.main-nav{display:flex}}
.header-actions{display:flex;align-items:center;gap:.5rem}
.icon-btn{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border:1px solid var(--bordo);border-radius:.6rem;font-size:1.1rem;position:relative}
.cart-badge{position:absolute;top:-6px;right:-6px;background:var(--blu);color:#fff;font-size:.7rem;font-weight:700;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.burger{display:block;background:none;border:none;font-size:1.8rem;cursor:pointer;color:var(--scuro)}
@media(min-width:1024px){.burger{display:none}}
.mobile-nav{display:none;flex-direction:column;padding:.5rem 1rem 1rem;border-top:2px solid var(--bordo)}
.mobile-nav a{padding:.75rem 0;font-weight:600;font-size:1.05rem;color:var(--scuro)}
body.menu-open .mobile-nav{display:flex}

/* footer */
.site-footer{background:var(--scuro);margin-top:4rem}
.footer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;padding:3rem 1rem}
@media(min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.foot-logo{margin-bottom:.1rem}
.site-footer h3{color:#fff;font-size:.95rem;margin:0 0 .75rem}
.site-footer a{display:block;color:#cbd5e1;font-size:.88rem;padding:.22rem 0}
.site-footer a:hover{color:#fff}
.foot-desc{color:#94a3b8;font-size:.88rem;line-height:1.6;margin:.5rem 0 0}
.foot-bottom{border-top:1px solid #1e293b;text-align:center;color:#64748b;font-size:.78rem;padding:1rem}

/* componenti shop */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:700;padding:.9rem 1.5rem;border-radius:.75rem;border:none;cursor:pointer;font-size:1rem}
.btn-primary{background:var(--blu);color:#fff}
.btn-buy{background:var(--verde);color:#fff;width:100%;font-size:1.05rem;padding:1.05rem}
.btn-outline{background:#fff;border:2px solid var(--blu);color:var(--blu)}
.breadcrumb{font-size:.85rem;color:#64748b;padding:1.5rem 0}
.breadcrumb a:hover{text-decoration:underline}
.badge{display:inline-block;font-size:.72rem;font-weight:700;color:#fff;background:var(--blu);padding:.25rem .6rem;border-radius:.4rem}
.card{background:#fff;border:1px solid var(--bordo);border-radius:var(--radius);padding:1rem;box-shadow:0 1px 2px rgba(15,23,42,.05);transition:box-shadow .2s;display:block}
.card:hover{box-shadow:var(--shadow)}
.card-img{background:var(--surface);border-radius:.75rem;padding:.75rem;margin-bottom:.75rem}
.card h3{font-weight:700;color:var(--scuro);margin:.5rem 0 .25rem;font-size:1rem;line-height:1.3}
.card .spec{font-size:.78rem;color:#64748b}
.card .price{margin-top:.5rem;color:#64748b;font-size:.88rem}
.card .price b{font-size:1.35rem;font-weight:800;color:var(--blu)}

/* scheda prodotto */
.pdp{display:grid;grid-template-columns:1fr;gap:2.5rem;padding:1rem 0 2rem}
@media(min-width:1024px){.pdp{grid-template-columns:1fr 1fr;gap:3rem}}
.pdp-media{background:var(--surface);border:1px solid var(--bordo);border-radius:var(--radius);padding:2rem;display:flex;align-items:center;justify-content:center;min-height:340px}
.pdp h1{font-size:1.9rem;font-weight:800;color:var(--scuro);margin:.5rem 0}
.pdp .subtitle{color:#64748b;margin:0}
.opt-group{margin:1.4rem 0}
.opt-label{font-size:.72rem;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.5rem}
.opt-row{display:flex;flex-wrap:wrap;gap:.5rem}
.opt{padding:.6rem .9rem;border:1px solid #cbd5e1;border-radius:.6rem;background:#fff;font-size:.9rem;font-weight:600;color:var(--ink);cursor:pointer}
.opt[aria-pressed=true]{background:var(--blu);color:#fff;border-color:var(--blu)}
.measure-in{display:flex;gap:.75rem;align-items:center}
.measure-in input{width:100px;padding:.6rem;border:1px solid #cbd5e1;border-radius:.6rem;font-size:1rem}

/* prezzo vivo — signature */
.price-box{margin-top:1.5rem;border-radius:var(--radius);padding:1.4rem;color:#fff;background:linear-gradient(135deg,var(--blu),#172554)}
.price-box .lab{color:#bfdbfe;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.price-box .val{font-size:2.4rem;font-weight:800;margin:.2rem 0}
.price-box .brk{color:#dbeafe;font-size:.8rem;border-top:1px solid #1e3a8a;padding-top:.75rem;margin-top:.5rem}
.price-box .iva{opacity:.85}
.pdp-actions{display:flex;gap:.75rem;margin-top:1.25rem}
.trust-row{display:flex;flex-wrap:wrap;gap:1.25rem;margin-top:1.25rem;font-size:.82rem;color:#64748b}
.trust-row span{display:flex;align-items:center;gap:.4rem}

/* grid listing */
.section-head{padding:2rem 0 1rem}
.section-head h1{font-size:2rem;font-weight:800;color:var(--scuro);margin:0}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem;padding-bottom:2rem}
@media(min-width:1024px){.grid{grid-template-columns:repeat(4,1fr)}}
.hero{background:linear-gradient(135deg,var(--blu),var(--scuro));color:#fff;padding:4rem 0}
.hero h1{font-size:2.5rem;font-weight:800;max-width:40rem;margin:0 0 1rem;line-height:1.1}
.hero p{color:#dbeafe;font-size:1.1rem;max-width:36rem;margin:0 0 1.5rem}
@media(min-width:1024px){.hero h1{font-size:3.5rem}}

/* slider misure — stesso stile del preventivatore */
.measure-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;margin-top:12px;background:linear-gradient(to right,#1e40af,#3b82f6);border-radius:3px;outline:none;cursor:pointer;touch-action:none}
.measure-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:28px;height:28px;border-radius:50%;background:#fff;border:3px solid #1e40af;cursor:grab;box-shadow:0 2px 6px #1e40af59;transition:transform .1s ease,box-shadow .1s ease}
.measure-slider::-webkit-slider-thumb:active{cursor:grabbing;transform:scale(1.15);box-shadow:0 4px 12px #1e40af80}
.measure-slider::-moz-range-thumb{width:28px;height:28px;border-radius:50%;background:#fff;border:3px solid #1e40af;cursor:grab;box-shadow:0 2px 6px #1e40af59}
.measure-slider:focus-visible{outline:2px solid #3b82f6;outline-offset:4px}
.mrow{margin-top:1.1rem}
.mhead{display:flex;justify-content:space-between;align-items:center;font-size:.9rem;color:#334155}
.mhead input{width:80px;padding:.45rem;border:1px solid #cbd5e1;border-radius:.5rem;font-size:1rem;font-weight:700;text-align:center;color:#1e40af}

/* prodotti preassemblati (card "pronta da ordinare") */
.pronti-head{font-size:1.05rem;font-weight:800;color:#0f172a;margin:1.6rem 0 .1rem;display:flex;align-items:center;gap:.5rem}
.pronti-head:after{content:"";flex:1;height:1px;background:#e2e8f0}
.pronti-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:.75rem;margin:.6rem 0 2rem}
.pronto-card{display:flex;flex-direction:column;background:#fff;border:2px solid #16a34a40;border-radius:1rem;padding:.8rem;text-decoration:none;color:#0f172a;transition:border-color .15s,box-shadow .15s}
.pronto-card:hover{border-color:#16a34a;box-shadow:0 4px 14px #16a34a22}
.pronto-card img{width:100%;height:150px;object-fit:contain;margin-bottom:.55rem;background:#f8fafc;border-radius:.6rem}
.pronto-badge{align-self:flex-start;background:#dcfce7;color:#15803d;font-size:.66rem;font-weight:800;letter-spacing:.03em;padding:.15rem .5rem;border-radius:.4rem;text-transform:uppercase}
.pronto-nome{font-weight:800;font-size:.95rem;margin-top:.35rem;line-height:1.25}
.pronto-specs{font-size:.75rem;color:#64748b;margin-top:.15rem;flex:1}
.pronto-price{margin-top:.6rem;display:flex;justify-content:space-between;align-items:baseline}
.pronto-price b{color:#1e40af;font-size:1.2rem}
.pronto-price small{color:#16a34a;font-weight:700;font-size:.68rem}

/* filtri portfolio per i preassemblati — v2 capsule */
.ph-flash{filter:hue-rotate(190deg) saturate(3)}
.ph-count{background:linear-gradient(135deg,#1e40af,#3b82f6);color:#fff;font-size:.72rem;font-weight:800;min-width:1.5rem;height:1.5rem;display:inline-flex;align-items:center;justify-content:center;border-radius:99px;padding:0 .45rem;box-shadow:0 2px 8px #1e40af4d;transition:transform .2s}
.pf-bar{display:flex;align-items:center;gap:.3rem;overflow-x:auto;background:#eef2f7;border-radius:99px;padding:.35rem;margin-top:.7rem;scrollbar-width:none;-webkit-overflow-scrolling:touch;box-shadow:inset 0 1px 3px #0f172a0f}
.pf-bar::-webkit-scrollbar{display:none}
.pf-chip{display:inline-flex;align-items:center;gap:.4rem;flex-shrink:0;border:0;background:transparent;color:#475569;font-weight:700;font-size:.8rem;padding:.5rem .95rem;border-radius:99px;cursor:pointer;white-space:nowrap;transition:background .2s,color .2s,box-shadow .2s,transform .12s}
.pf-chip:active{transform:scale(.93)}
.pf-chip:hover:not(.on){background:#ffffffa6}
.pf-chip.on{background:linear-gradient(135deg,#1e40af,#3b82f6);color:#fff;box-shadow:0 3px 10px #1e40af59}
.pf-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0;box-shadow:inset 0 0 0 1.5px #0f172a26;background-size:cover !important}
.pf-chip.on .pf-dot{box-shadow:inset 0 0 0 1.5px #ffffff8c}
.pf-div{flex-shrink:0;width:4px;height:4px;border-radius:50%;background:#cbd5e1;margin:0 .25rem}
.pronto-card{position:relative;transition:border-color .2s,box-shadow .25s,transform .25s cubic-bezier(.2,.7,.3,1.2),opacity .24s ease;overflow:hidden}
.pronto-card:hover{transform:translateY(-4px);border-color:#1e40af66;box-shadow:0 12px 26px -8px #1e40af40}
.pronto-card img{transition:transform .35s ease}
.pronto-card:hover img{transform:scale(1.05)}
.pronto-card.pf-hide{opacity:0;transform:scale(.88) translateY(8px);pointer-events:none}
.pronto-badge:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#16a34a;margin-right:.35rem;animation:pfPulse 1.8s ease-in-out infinite}
@keyframes pfPulse{0%,100%{box-shadow:0 0 0 0 #16a34a66}50%{box-shadow:0 0 0 4px #16a34a00}}
.pp-go span{display:inline-block;transition:transform .2s}
.pronto-card:hover .pp-go span{transform:translateX(3px)}
.pf-empty{text-align:center;padding:2rem 1rem;color:#64748b;font-size:.9rem;background:#f8fafc;border:1.5px dashed #cbd5e1;border-radius:1rem;margin-bottom:2rem}
.pf-empty-ico{font-size:1.6rem;margin-bottom:.4rem;filter:grayscale(.4)}
.pf-reset{margin-top:.8rem;background:linear-gradient(135deg,#1e40af,#3b82f6);color:#fff;border:0;border-radius:99px;padding:.55rem 1.3rem;font-weight:800;font-size:.82rem;cursor:pointer;box-shadow:0 3px 10px #1e40af4d}
.pf-chip.pf-blogo{background:#fff;padding:.35rem .7rem}
.pf-logo{height:20px;width:auto;max-width:88px;object-fit:contain;display:block}
.pf-chip.pf-blogo.on{background:#fff;box-shadow:0 0 0 2px #1e40af,0 3px 10px #1e40af59}

/* filtri v3: righe separate + tendine misura */
.pf-rows{display:flex;flex-direction:column;gap:.5rem;margin-top:.7rem}
.pf-row{display:flex;align-items:center;gap:.6rem}
.pf-label{flex-shrink:0;width:52px;font-size:.66rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#94a3b8;text-align:right}
.pf-track{flex:1;display:flex;align-items:center;gap:.3rem;overflow-x:auto;background:#eef2f7;border-radius:99px;padding:.3rem;scrollbar-width:none;box-shadow:inset 0 1px 3px #0f172a0f}
.pf-track::-webkit-scrollbar{display:none}
.pf-selects{flex:1;display:flex;gap:.5rem}
.pf-select{flex:1;min-width:0;appearance:none;-webkit-appearance:none;border:1.5px solid #cbd5e1;border-radius:99px;padding:.55rem 2rem .55rem .95rem;font-weight:700;font-size:.8rem;color:#334155;background:#fff url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="10" height="6" viewBox="0 0 10 6"><path d="M1 1l4 4 4-4" stroke="%231e40af" stroke-width="1.8" fill="none" stroke-linecap="round"/></svg>') no-repeat right .8rem center;cursor:pointer;transition:border-color .15s,box-shadow .15s}
.pf-select:focus{outline:none;border-color:#1e40af;box-shadow:0 0 0 3px #1e40af26}

/* filtri v4: label+Tutti sopra, chips sotto a tutta larghezza */
.pf-rows{gap:.85rem}
.pf-group{display:flex;flex-direction:column;gap:.4rem}
.pf-ghead{display:flex;align-items:center;justify-content:space-between}
.pf-ghead .pf-label{width:auto;text-align:left;font-size:.68rem}
.pf-ghead .pf-chip{border:1.5px solid #cbd5e1;background:#fff;padding:.32rem .8rem;font-size:.74rem}
.pf-ghead .pf-chip.on{border-color:transparent;background:linear-gradient(135deg,#1e40af,#3b82f6);color:#fff;box-shadow:0 2px 8px #1e40af4d}
.pf-selects{width:100%}

/* v4.1: label e Tutti affiancati, non agli antipodi */
.pf-ghead{justify-content:flex-start;gap:.7rem}

/* filtri v5: pannello unico */
.pf-panel{background:#fff;border:1px solid #e2e8f0;border-radius:1.1rem;margin-top:.7rem;box-shadow:0 1px 2px #0f172a08}
.pf-phead{display:flex;align-items:center;justify-content:space-between;padding:.7rem 1rem 0}
.pf-ptitle{font-size:.7rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:#94a3b8}
.pf-clear{border:0;background:#fef2f2;color:#b91c1c;font-weight:800;font-size:.72rem;border-radius:99px;padding:.32rem .75rem;cursor:pointer}
.pf-sec{padding:.7rem 1rem}
.pf-sec + .pf-sec{border-top:1px solid #f1f5f9}
.pf-panel .pf-chip{background:#fff;border:1.5px solid #e2e8f0;box-shadow:none;color:#475569}
.pf-chips{display:flex;gap:.5rem}
.pf-panel .pf-blogo{flex:1;justify-content:center;padding:.5rem .4rem;border-radius:.8rem;min-width:0}
.pf-panel .pf-blogo.on{border-color:#1e40af;box-shadow:0 0 0 1.5px #1e40af,0 4px 12px #1e40af26}
.pf-profili{display:none;flex-wrap:wrap;gap:.4rem;margin-top:.65rem;padding-top:.65rem;border-top:1px dashed #e2e8f0}
.pf-profili.show{display:flex;animation:pfDrop .22s ease}
@keyframes pfDrop{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}
.pf-mini{font-size:.76rem;padding:.35rem .8rem;border-radius:99px}
.pf-mini.on{background:linear-gradient(135deg,#1e40af,#3b82f6);border-color:transparent;color:#fff}
.pf-seg{display:flex;gap:.5rem}
.pf-segbtn{flex:1;justify-content:center;text-align:center;border-radius:.8rem;padding:.55rem;font-size:.8rem}
.pf-segbtn.on{background:linear-gradient(135deg,#1e40af,#3b82f6);border-color:transparent;color:#fff;box-shadow:0 3px 10px #1e40af40}

/* [hidden] deve vincere sul display della classe */
.pf-chip[hidden]{display:none !important}

/* vista generativa: invito e paginazione */
.gen-hint{margin:.2rem 0 .4rem;font-size:.82rem;color:#64748b}
.gen-pagin{display:flex;align-items:center;justify-content:center;gap:1rem;margin:1.2rem 0 .4rem}
.gen-pbtn{display:inline-flex;border:1.5px solid #cbd5e1;border-radius:99px;padding:.5rem 1rem;text-decoration:none;color:#1e40af;font-weight:800;font-size:.82rem;background:#fff}
.gen-pinfo{font-size:.8rem;color:#64748b;font-weight:700}

.pf-wrap{flex-wrap:wrap}
.pf-mini2{font-size:.78rem;padding:.4rem .85rem;border-radius:99px}
.pf-mini2.on{background:linear-gradient(135deg,#1e40af,#3b82f6);border-color:transparent;color:#fff}