/* Colombo Editrice — "carta e inchiostro" */
:root{
  --carta:#F6F1E7; --carta-2:#EFE7D8; --foglio:#FFFCF6;
  --inchiostro:#1B1916; --inchiostro-2:#4F483F; --inchiostro-3:#7A7166;
  --filo:#DDD3C1; --mattone:#9B2C22; --mattone-scuro:#7A2019; --ocra:#A87A2C;
  --ombra:0 1px 2px rgba(27,25,22,.06),0 8px 24px rgba(27,25,22,.08);
  --ombra-forte:0 2px 4px rgba(27,25,22,.08),0 18px 40px rgba(27,25,22,.16);
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --sans:"Source Sans 3","Segoe UI",system-ui,-apple-system,sans-serif;
  --r:10px; --max:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--carta);color:var(--inchiostro);font:400 18px/1.6 var(--sans)}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.15;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.3rem)} h2{font-size:clamp(1.55rem,3vw,2.2rem)} h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}
:focus-visible{outline:3px solid var(--mattone);outline-offset:3px;border-radius:4px}

/* Testata */
.testata{position:sticky;top:0;z-index:50;background:rgba(246,241,231,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--filo)}
.testata .wrap{display:flex;align-items:center;gap:16px;min-height:72px}
.marchio{display:flex;align-items:center;gap:12px;text-decoration:none;margin-right:auto}
.marchio img{width:52px;height:52px;border-radius:4px;box-shadow:0 1px 3px rgba(0,0,0,.15)}
.marchio b{font:700 1.25rem/1.05 var(--serif);display:block}
.marchio small{font:600 .7rem/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--mattone)}
.menu{display:flex;gap:4px;align-items:center}
.menu a{text-decoration:none;font-weight:600;font-size:.98rem;padding:8px 12px;border-radius:999px;color:var(--inchiostro-2)}
.menu a:hover{background:var(--carta-2);color:var(--inchiostro)}
.menu a[aria-current=page]{background:var(--inchiostro);color:var(--carta)}
.menu a.esterno{color:var(--mattone)}
.hamb{display:none;background:none;border:1px solid var(--filo);border-radius:8px;width:46px;height:46px;font-size:1.4rem;cursor:pointer;color:var(--inchiostro)}
@media (max-width:1080px){
  .hamb{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:72px;background:var(--foglio);flex-direction:column;align-items:stretch;padding:10px 16px 18px;border-bottom:1px solid var(--filo);box-shadow:var(--ombra)}
  .menu.aperto{display:flex}
  .menu a{font-size:1.1rem;padding:14px 12px;border-radius:8px}
}

/* Pulsanti */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 1rem/1 var(--sans);padding:15px 22px;border-radius:999px;border:2px solid var(--inchiostro);text-decoration:none;cursor:pointer;background:transparent;color:var(--inchiostro);min-height:52px;transition:.15s}
.btn:hover{background:var(--inchiostro);color:var(--carta)}
.btn.pieno{background:var(--mattone);border-color:var(--mattone);color:#fff}
.btn.pieno:hover{background:var(--mattone-scuro);border-color:var(--mattone-scuro)}
.btn svg{width:20px;height:20px;flex:none}

/* Apertura home */
.apertura{padding:56px 0 40px;background:radial-gradient(ellipse at 80% 0%,#fff8ea 0,transparent 60%)}
.apertura .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.occhiello{font:700 .8rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--mattone);margin-bottom:14px}
.apertura p.lead{font-size:1.22rem;color:var(--inchiostro-2);max-width:34em}
.apertura .azioni{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.sigillo{justify-self:center;width:min(360px,80vw);height:auto;aspect-ratio:1/1;background:#fff;padding:14px;border-radius:6px;box-shadow:var(--ombra-forte);transform:rotate(1.5deg)}
.cifre{display:flex;gap:28px;flex-wrap:wrap;margin-top:28px;padding-top:22px;border-top:1px solid var(--filo)}
.cifre div{font:700 1.8rem/1 var(--serif)} .cifre span{display:block;font:600 .85rem/1.4 var(--sans);color:var(--inchiostro-3);margin-top:6px}
@media (max-width:820px){.apertura .wrap{grid-template-columns:1fr;gap:28px}.sigillo{order:-1;width:200px;transform:none}.apertura{padding-top:28px}}

/* Sezioni */
.sezione{padding:44px 0}
.sezione.chiara{background:var(--foglio);border-block:1px solid var(--filo)}
.capo{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.capo p{color:var(--inchiostro-2);margin:0;max-width:40em}
.capo a.tutti{font-weight:700;color:var(--mattone);text-decoration:none;white-space:nowrap}
.capo a.tutti:hover{text-decoration:underline}

/* Riquadri sezioni home */
.reparti{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.reparto{position:relative;display:flex;flex-direction:column;justify-content:end;min-height:220px;padding:18px;border-radius:var(--r);overflow:hidden;text-decoration:none;color:#fff;background:#222;box-shadow:var(--ombra)}
.reparto img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.75;transition:transform .4s}
.reparto:hover img{transform:scale(1.05)}
.reparto::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(20,16,12,.92) 10%,rgba(20,16,12,.1) 70%)}
.reparto h3,.reparto span{position:relative;z-index:1;margin:0}
.reparto h3{font-size:1.35rem}.reparto span{font-size:.9rem;opacity:.9}
@media (max-width:980px){.reparti{grid-template-columns:repeat(2,1fr)}}

/* Filtri */
.strumenti{display:flex;flex-direction:column;gap:14px;margin-bottom:26px}
.cerca{position:relative;max-width:520px}
.cerca input{width:100%;font:400 1.05rem var(--sans);padding:14px 16px 14px 46px;border:1px solid var(--filo);border-radius:999px;background:var(--foglio);color:var(--inchiostro)}
.cerca svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--inchiostro-3)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font:600 .95rem/1 var(--sans);padding:11px 16px;border-radius:999px;border:1px solid var(--filo);background:var(--foglio);color:var(--inchiostro-2);cursor:pointer;min-height:44px}
.chip:hover{border-color:var(--inchiostro-3)}
.chip[aria-pressed=true]{background:var(--inchiostro);border-color:var(--inchiostro);color:var(--carta)}
.chip small{opacity:.65;margin-left:4px}
@media (max-width:640px){.chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;margin:0 -20px;padding-left:20px;padding-right:20px;scrollbar-width:none}.chip{flex:none}}

/* Griglia copertine */
.griglia{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:28px 22px}
.griglia.larga{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.scheda{display:flex;flex-direction:column;text-decoration:none;color:inherit}
.copertina{position:relative;aspect-ratio:3/4.2;border-radius:4px;overflow:hidden;background:var(--carta-2);box-shadow:var(--ombra);transition:transform .2s,box-shadow .2s}
.larga .copertina{aspect-ratio:16/9;border-radius:var(--r)}
.copertina img{width:100%;height:100%;object-fit:cover}
.scheda:hover .copertina{transform:translateY(-4px);box-shadow:var(--ombra-forte)}
.scheda .eti{font:700 .72rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--mattone);margin:14px 0 6px}
.scheda h3{font-size:1.08rem;margin:0 0 4px}
.scheda .aut{font-size:.92rem;color:var(--inchiostro-3);margin:0}
.nuovo{position:absolute;top:10px;left:10px;background:var(--mattone);color:#fff;font:700 .7rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;padding:6px 8px;border-radius:4px}
@media (max-width:640px){.griglia{grid-template-columns:repeat(2,1fr);gap:22px 14px}.griglia.larga{grid-template-columns:1fr}.scheda h3{font-size:1rem}}
.vuoto{padding:40px;text-align:center;color:var(--inchiostro-3);background:var(--foglio);border:1px dashed var(--filo);border-radius:var(--r)}

/* Scorrimento orizzontale (novità, collana) */
.fila{display:grid;grid-auto-flow:column;grid-auto-columns:180px;gap:20px;overflow-x:auto;padding:4px 2px 14px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.fila .scheda{scroll-snap-align:start}
@media (max-width:640px){.fila{grid-auto-columns:150px}}

/* Testate riviste */
.testate{display:flex;flex-direction:column;gap:40px}
.testata-blocco h2{display:flex;align-items:baseline;gap:12px}
.testata-blocco h2 small{font:600 .9rem var(--sans);color:var(--inchiostro-3)}

/* Pagina prodotto */
.briciole{font-size:.92rem;color:var(--inchiostro-3);padding:22px 0 0}
.briciole a{color:var(--inchiostro-2)}
.prodotto{display:grid;grid-template-columns:minmax(260px,420px) 1fr;gap:56px;padding:26px 0 50px;align-items:start}
.prodotto .grande{border-radius:6px;overflow:hidden;box-shadow:var(--ombra-forte);background:var(--carta-2)}
.prodotto.largo{grid-template-columns:minmax(300px,560px) 1fr}
.prodotto h1{margin-bottom:.25em}
.prodotto .autore{font:400 1.2rem var(--serif);font-style:italic;color:var(--inchiostro-2);margin-bottom:18px}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.badge{font:700 .75rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;padding:8px 10px;border-radius:4px;background:var(--carta-2);color:var(--inchiostro-2);text-decoration:none}
.badge.rosso{background:var(--mattone);color:#fff}
.descr{font-size:1.12rem;line-height:1.7;max-width:38em}
.azioni-prod{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}
.dati{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;margin:22px 0;padding:18px 0;border-block:1px solid var(--filo);font-size:1rem}
.dati dt{font-weight:700;color:var(--inchiostro-3)} .dati dd{margin:0}
.materiali ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.materiali a{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--foglio);border:1px solid var(--filo);border-radius:8px;text-decoration:none;font-weight:600}
.materiali a:hover{border-color:var(--mattone);color:var(--mattone)}
.materiali a::before{content:"PDF";font:700 .7rem var(--sans);background:var(--mattone);color:#fff;padding:5px 6px;border-radius:4px}
@media (max-width:820px){.prodotto,.prodotto.largo{grid-template-columns:1fr;gap:26px}.prodotto .grande{max-width:340px;margin:0 auto}.prodotto.largo .grande{max-width:none}.azioni-prod .btn{flex:1 1 100%}}

/* Banner Frengus */
.frengus{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;padding:28px;border-radius:var(--r);background:var(--inchiostro);color:var(--carta)}
.frengus b{font:700 1.6rem var(--serif);color:#F2C14E}
.frengus p{margin:0;color:#d8d0c2}
.frengus .btn{border-color:var(--carta);color:var(--carta)} .frengus .btn:hover{background:var(--carta);color:var(--inchiostro)}
@media (max-width:760px){.frengus{grid-template-columns:1fr;text-align:left}}

/* Piede */
.piede{background:var(--inchiostro);color:#cfc6b8;padding:44px 0 30px;margin-top:40px}
.piede .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}
.piede img{width:84px;border-radius:4px;margin-bottom:12px}
.piede h4{font:700 .8rem var(--sans);letter-spacing:.16em;text-transform:uppercase;color:#fff;margin:0 0 12px}
.piede a{color:#efe7d8;text-decoration:none}.piede a:hover{text-decoration:underline}
.piede ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.social{display:flex;gap:10px;margin-top:6px}
.social a{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#2c2924;transition:.15s}
.social a:hover{background:var(--mattone)}
.social svg{width:22px;height:22px;fill:#fff}
.motto{grid-column:1/-1;border-top:1px solid #34302a;padding-top:20px;font:italic 400 .95rem var(--serif);color:#9d9487;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media (max-width:760px){.piede .wrap{grid-template-columns:1fr}}

/* Caricamento */
.carica{display:grid;place-items:center;min-height:40vh;color:var(--inchiostro-3)}
.scheletro .copertina{animation:pulsa 1.4s infinite}
@keyframes pulsa{50%{opacity:.5}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto}}
.larga .copertina{background:var(--inchiostro)} .larga .copertina img{object-fit:contain}
.gioca-banner{position:relative;display:block}
.gioca-banner .play{position:absolute;right:12px;bottom:12px;display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;background:rgba(155,44,34,.92);color:#fff;font:700 .95rem var(--sans);box-shadow:0 6px 20px rgba(0,0,0,.35);transition:transform .15s,background .15s}
.gioca-banner .play svg{width:18px;height:18px}
.gioca-banner:hover .play{transform:scale(1.06);background:var(--mattone-scuro)}