/* Vetroom · modelli e strumenti gratuiti (si aggiunge a /guida/guida.css) */
.footer-grid-4{grid-template-columns:1.3fr .9fr .9fr .7fr}
@media (max-width:900px){.footer-grid-4{grid-template-columns:1fr 1fr}.footer-grid-4 .fine{grid-column:1/-1}}

/* Pulsanti di download */
.downloads{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 8px}
.btn.dl{gap:10px;background:var(--teal);color:#fff;border:0}
.btn.dl:hover{background:var(--teal2);color:#fff}
.btn.dl.alt{background:#fff;color:var(--teal2);border:2px solid var(--teal)}
.btn.dl small{font-weight:600;opacity:.85}
.dl-note{font-size:13px;color:#6b7280;margin:0 0 18px}

/* Anteprima del modello su "foglio" */
.paper{background:#fff;border:1px solid #d1d5db;border-radius:6px;box-shadow:0 18px 40px rgba(15,23,42,.10);padding:28px 30px;margin:18px 0 26px;font-size:14px;line-height:1.5;max-width:760px}
.paper .p-head{display:flex;justify-content:space-between;gap:12px;border-bottom:2px solid var(--teal);padding-bottom:8px;margin-bottom:12px;color:#6b7280;font-size:12px}
.paper h3{font-size:1.05rem;text-align:center;margin:4px 0 12px;color:var(--navy);text-transform:uppercase;letter-spacing:.02em}
.paper h4{font-size:.85rem;margin:14px 0 6px;color:var(--teal2);text-transform:uppercase;letter-spacing:.06em}
.paper p{margin:6px 0;font-size:14px}
.paper .f{display:flex;gap:8px;margin:5px 0;font-size:14px}
.paper .f span{white-space:nowrap}
.paper .f i{flex:1;border-bottom:1px solid #9ca3af;min-width:40px}
.paper .grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.paper ul.cb{list-style:none;padding:0;margin:6px 0}
.paper ul.cb li{padding:2px 0 2px 24px;position:relative;font-size:14px}
.paper ul.cb li::before{content:"";position:absolute;left:2px;top:6px;width:12px;height:12px;border:1.5px solid #374151;border-radius:2px}
.paper table{width:100%;border-collapse:collapse;margin:8px 0;font-size:13px}
.paper th,.paper td{border:1px solid #9ca3af;padding:5px 6px;text-align:left}
.paper th{background:#f0fdfa}
.paper td{height:22px}
.paper .sign{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:22px}
.paper .sign div{border-top:1px solid #374151;padding-top:4px;font-size:12px;color:#4b5563}
.paper .p-foot{margin-top:18px;font-size:11px;color:#9ca3af;border-top:1px solid #e5e7eb;padding-top:6px}
.paper .fade{position:relative;max-height:520px;overflow:hidden}
.paper .fade::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(transparent,#fff)}
.paper .num{text-align:right}
@media (max-width:600px){.paper{padding:18px 14px}.paper .grid2{grid-template-columns:1fr}.paper .f span{white-space:normal}}

/* Calcolatori */
.calc{border:1px solid var(--border);border-radius:18px;background:#f8fafc;padding:20px;margin:18px 0 24px}
.calc fieldset{border:0;padding:0;margin:0 0 14px;min-width:0}
.calc legend{font-weight:800;color:var(--navy);margin-bottom:8px;padding:0}
.calc label{display:block;font-weight:700;font-size:14px;color:#374151;margin:0 0 4px}
.calc .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:12px}
.calc input[type=number],.calc input[type=text],.calc input[type=date],.calc select{width:100%;font:inherit;font-size:16px;padding:11px 12px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;color:var(--ink)}
.calc input:focus,.calc select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(15,118,110,.18)}
.calc .hint{font-size:12.5px;color:#6b7280;margin-top:3px;display:block}
.seg{display:inline-flex;border:1px solid #cbd5e1;border-radius:12px;overflow:hidden;background:#fff;flex-wrap:wrap}
.seg label{margin:0;display:flex;align-items:center;gap:6px;padding:10px 14px;cursor:pointer;font-weight:700;font-size:14px;border-right:1px solid #e5e7eb}
.seg label:last-child{border-right:0}
.seg input{accent-color:var(--teal)}
.lines .line{display:grid;grid-template-columns:1fr 130px 150px 40px;gap:8px;margin-bottom:8px;align-items:center}
.lines .line button{height:44px;border-radius:10px;border:1px solid #e5e7eb;background:#fff;cursor:pointer;font-size:18px;color:#6b7280}
.lines .line button:hover{color:#b91c1c;border-color:#fecaca}
.addline{font:inherit;font-weight:700;color:var(--teal2);background:#fff;border:1px dashed var(--teal);border-radius:12px;padding:9px 14px;cursor:pointer}
@media (max-width:600px){.lines .line{grid-template-columns:1.3fr 1fr 40px}.lines .line input:first-child{grid-column:1/-1}.seg{display:flex;width:100%}.seg label{flex:1 1 100%;border-right:0;border-bottom:1px solid #e5e7eb}.seg label:last-child{border-bottom:0}}
.result{background:#fff;border:2px solid var(--teal);border-radius:16px;padding:16px 18px;margin-top:16px}
.result .big{font-size:2rem;font-weight:800;color:var(--navy);line-height:1.1}
.result .big small{font-size:1rem;color:#6b7280;font-weight:600}
.result table{width:100%;border-collapse:collapse;margin-top:10px;font-size:15px}
.result td{padding:7px 4px;border-bottom:1px solid #f1f5f9}
.result td:last-child{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.result tr.tot td{font-weight:800;border-top:2px solid #e5e7eb;border-bottom:0;font-size:16px}
.result .notes{font-size:13px;color:#4b5563;margin-top:10px}
.result .actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.result .actions .btn{min-height:40px;padding:8px 14px;font-size:14px}
.chip{display:inline-block;font-size:12px;font-weight:800;padding:3px 9px;border-radius:999px;background:var(--orangesoft);color:#9a3412;margin-left:6px;vertical-align:middle}

/* Pagine indice (modelli, strumenti) */
.res-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin:16px 0}
.res-card{display:flex;flex-direction:column;gap:6px;border:1px solid var(--border);border-radius:16px;padding:18px;background:#fff;text-decoration:none;color:var(--ink);transition:transform .12s,box-shadow .12s}
.res-card:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(15,23,42,.08);color:var(--ink)}
.res-card .tag{font-size:12px;font-weight:800;color:var(--teal2);text-transform:uppercase;letter-spacing:.06em}
.res-card strong{color:var(--navy);font-size:1.08rem;line-height:1.3}
.res-card span{color:var(--muted);font-size:.95rem;line-height:1.5}
.res-card .go{margin-top:auto;padding-top:6px;font-weight:800;color:var(--teal2);font-size:14px}

/* Tabella di confronto */
.compare td:first-child{font-weight:700;color:var(--navy)}
.yes{color:#047857;font-weight:800}
.no{color:#b45309;font-weight:800}
@media print{.site-header,.site-footer,.crumbs,.related,.cta-box,.downloads,.calc fieldset,.addline{display:none!important}.article{border:0;box-shadow:none;padding:0}}
@media (prefers-reduced-motion:reduce){.res-card{transition:none}}