/* GUIDA-SVILUPPO: classi .gc-* = kit dei blocchi della home (_data/blocks_home.json e en). Per cambiare l'accento: SOLO --gc-acc (e --gc-acc-s) qui sotto; i colori del sito intero stanno in _data/tema.json. Nome file storico: non rinominare. Stili nuovi dei blocchi vanno qui, non dentro il campo html dei blocchi (altrimenti cambia il corpo della pagina e le traduzioni diventano da_aggiornare). */
/* KIT BLOCCHI HOME (prefisso .gc-). Nome file storico (nome ereditato dal template di origine): NON rinominare, e' caricato da _includes/head/custom.html.
   Usato dai blocchi di _data/blocks_home.json. Colori nelle variabili --gc-* qui sotto: per cambiare accento basta --gc-acc. */
:root{--gc-ink:#0e1116;--gc-mut:#56606b;--gc-acc:#8a6d3b;--gc-acc-s:#f6f3ef;--gc-soft:#f5f6fa;--gc-line:#e6e8ee;--gc-head:'Space Grotesk','Inter',system-ui,sans-serif;--gc-sans:'Inter',system-ui,sans-serif}
.gc{font-family:var(--gc-sans);color:var(--gc-ink)}
.gc *{box-sizing:border-box}
.gc-wrap{max-width:1180px;margin:0 auto;padding:0 1.5rem}
.gc-sec{padding:clamp(3rem,7vw,5.5rem) 0;background:#fff}
.gc-soft{background:var(--gc-soft)}
.gc-eyebrow{font:600 .78rem var(--gc-sans);letter-spacing:.18em;text-transform:uppercase;color:var(--gc-acc);margin:0 0 1rem}
.gc-h1{font-family:var(--gc-head);font-weight:700;font-size:clamp(2.4rem,5.4vw,4.4rem);line-height:1.04;letter-spacing:-.02em;margin:0 0 1.2rem;text-wrap:balance}
.gc-h1 em{font-style:normal;color:var(--gc-acc)}
.gc-h2{font-family:var(--gc-head);font-weight:700;font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.12;letter-spacing:-.01em;margin:0 0 .75rem}
.gc-lead{font-size:1.12rem;line-height:1.7;color:var(--gc-mut);max-width:56ch;margin:0 0 1.6rem}
.gc-btn{display:inline-flex;align-items:center;min-height:48px;padding:.8rem 1.6rem;font:600 .95rem var(--gc-sans);text-decoration:none;border:2px solid var(--gc-ink);border-radius:10px;transition:background .2s,color .2s}
.gc-btn-k{background:var(--gc-ink);color:#fff}.gc-btn-k:hover{background:#fff;color:var(--gc-ink)}
.gc-btn-a{background:var(--gc-acc);border-color:var(--gc-acc);color:#fff}.gc-btn-a:hover{background:#fff;color:var(--gc-acc)}
.gc-btn-o{background:transparent;color:var(--gc-ink)}.gc-btn-o:hover{background:var(--gc-ink);color:#fff}
.gc-btn:focus-visible,.gc a:focus-visible{outline:3px solid var(--gc-acc);outline-offset:3px}
.gc-act{display:flex;gap:.9rem;flex-wrap:wrap}
.gc-hero{padding:clamp(1.5rem,4vh,3.5rem) 0;background:#fff;min-height:calc(100vh - 80px);min-height:calc(100svh - 80px);display:flex;align-items:center}.gc-hero>.gc-wrap,.ent-hero>.gc-wrap{width:100%}
.gc-hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.gc-hero-art{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.gc-hero-art .gc-art{border-radius:18px;aspect-ratio:1/1;font-size:clamp(2.4rem,6vw,4.2rem)}
.gc-hero-art .gc-art:first-child{grid-row:span 2;aspect-ratio:auto}
.gc-art{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--c1,#8a6d3b),var(--c2,#b3a080));color:#fff;font-family:var(--gc-head);font-weight:700;text-shadow:0 2px 14px rgba(0,0,0,.25);overflow:hidden}
.gc-head{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap}
.gc-link{font:600 .9rem var(--gc-sans);color:var(--gc-ink);border-bottom:2px solid var(--gc-ink);padding-bottom:2px;text-decoration:none}
.gc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;margin-top:2.2rem}
.gc-card{display:flex;flex-direction:column;text-decoration:none;color:var(--gc-ink);background:#fff;border:1px solid var(--gc-line);border-radius:16px;overflow:hidden;transition:border-color .2s,transform .2s}
.gc-card:hover{border-color:var(--gc-ink);transform:translateY(-3px)}
.gc-card .gc-art{aspect-ratio:16/10;font-size:3.4rem}
.gc-card-b{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.gc-card-t{font-family:var(--gc-head);font-weight:700;font-size:1.3rem;line-height:1.2}
.gc-card-d{font-size:.96rem;line-height:1.55;color:var(--gc-mut)}
.gc-card-m{margin-top:auto;padding-top:.6rem;font-size:.88rem;font-weight:600;color:var(--gc-ink)}
.gc-badges{display:flex;gap:.4rem;flex-wrap:wrap}
.gc-badge{display:inline-block;font:600 .72rem var(--gc-sans);letter-spacing:.04em;padding:.28rem .7rem;border-radius:999px;background:var(--gc-acc-s);color:var(--gc-acc)}
.gc-badge-n{background:var(--gc-soft);color:var(--gc-mut)}
.gc-plat{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.2rem}
.gc-pl{background:#fff;border:1px solid var(--gc-line);border-radius:16px;padding:1.6rem}
.gc-pl b{display:block;font-family:var(--gc-head);font-size:1.35rem;margin:.2rem 0 .5rem}
.gc-pl p{margin:0;color:var(--gc-mut);line-height:1.6;font-size:.98rem}
.gc-pl .n{font:600 .78rem var(--gc-sans);letter-spacing:.16em;color:var(--gc-acc)}
/* .gc-dark: nome storico, ora e' una fascia CHIARA (tinta accento). Non rinominare: e' usato nei blocchi JSON. */
.gc-dark{background:var(--gc-acc-s);color:var(--gc-ink);text-align:center}
.gc-dark .gc-h2{color:var(--gc-ink)}.gc-dark .gc-lead{color:var(--gc-mut);margin:0 auto 1.8rem}.gc-dark .gc-eyebrow{color:var(--gc-acc)}
.gc-dark .gc-btn{background:var(--gc-acc);color:#fff;border-color:var(--gc-acc)}.gc-dark .gc-btn:hover{background:#fff;color:var(--gc-acc)}
.gc-list{margin:1.2rem 0 0;padding:0;list-style:none}.gc-list li{padding:.6rem 0;border-bottom:1px solid var(--gc-line)}
.gc-2c{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.gc-det{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(1.5rem,4vw,3rem);align-items:start}
.gc-det .gc-art{border-radius:20px;aspect-ratio:4/3;font-size:6rem}
.gc-tab{width:100%;border-collapse:collapse;margin:1rem 0 1.6rem}
.gc-tab th,.gc-tab td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--gc-line);font-size:.96rem}
.gc-tab th{color:var(--gc-mut);font-weight:600}
.gc-buy{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;padding:.9rem 1.1rem;border:1px solid var(--gc-line);border-radius:12px;margin:.6rem 0;background:#fff}
.gc-buy a{font-weight:600}
/* --- Home "corporate" (hero CHIARO, ciclo in 4 passi, fascia dati, colonne a 4). Colori: --gc-acc/--gc-acc-s/--gc-soft. Niente sfondi scuri: se ne serve uno, usare .gc-dark (che e' chiaro) --- */
.ent-hero{position:relative;background:#f3f0eb url(../images/hero.jpg) center 60%/cover no-repeat;color:var(--gc-ink);padding:clamp(1.5rem,4vh,3.5rem) 0;min-height:calc(100vh - 80px);min-height:calc(100svh - 80px);display:flex;align-items:center}
.ent-hero .gc-h1{color:var(--gc-ink);font-size:clamp(2rem,3.2vw + 1.2vh,3.6rem)}.ent-hero .gc-h1 em{color:var(--gc-acc)}.ent-hero .gc-lead{color:var(--gc-mut)}.ent-hero .gc-eyebrow{color:var(--gc-acc)}
/* HERO ARTICO. Foto: NASA, Larsen Ice Shelf, pubblico dominio (assets/images/hero.jpg). Per cambiare sfondo basta sostituire quel file.
   ::before = velo chiaro a sinistra (testo leggibile) che svanisce a destra (foto in vista). Contenuto sopra con z-index:1. */
.ent-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.82) 0%,rgba(247,245,241,.55) 52%,rgba(255,255,255,.10) 100%);pointer-events:none}
.ent-hero>.gc-wrap{position:relative;z-index:1}
.ent-hero .gc-h1,.ent-hero .gc-lead,.ent-hero .gc-eyebrow{text-shadow:0 1px 0 rgba(255,255,255,.7)}
/* VETRO stile Aero 2013: sfondo traslucido + blur + bordo bianco + riflesso in alto. Riusabile con la classe .gc-glass. */
.ent-cycle div,.gc-glass{background:linear-gradient(180deg,rgba(255,255,255,.62) 0%,rgba(255,255,255,.28) 50%,rgba(255,255,255,.18) 100%);-webkit-backdrop-filter:blur(12px) saturate(140%);backdrop-filter:blur(12px) saturate(140%);border:1px solid rgba(255,255,255,.75);border-radius:14px;box-shadow:inset 0 1px 0 rgba(255,255,255,.95),inset 0 -1px 0 rgba(255,255,255,.25),0 8px 24px rgba(20,20,20,.18)}
.ent-cycle{display:grid;gap:.8rem}.ent-cycle div{padding:1rem 1.2rem}
.ent-cycle b{display:block;color:var(--gc-ink);font-size:1.05rem}.ent-cycle span{color:#3b4752;font-size:.93rem}
/* Bottoni in vetro dentro l'hero (lucido, bordo bianco). Testo scuro: leggibile sul velo chiaro. */
.ent-hero .gc-btn{border:1px solid rgba(255,255,255,.85);color:var(--gc-ink);background:linear-gradient(180deg,rgba(255,255,255,.75),rgba(255,255,255,.3) 50%,rgba(255,255,255,.2));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:inset 0 1px 0 #fff,0 4px 14px rgba(20,20,20,.2);text-shadow:0 1px 0 rgba(255,255,255,.7)}
.ent-hero .gc-btn-a{background:linear-gradient(180deg,color-mix(in srgb,var(--gc-acc) 70%,#fff),var(--gc-acc) 52%,color-mix(in srgb,var(--gc-acc) 85%,#000));color:#fff;text-shadow:0 -1px 0 rgba(0,0,0,.25)}
.ent-hero .gc-btn:hover{filter:brightness(1.06);background:linear-gradient(180deg,#fff,rgba(255,255,255,.5))}.ent-hero .gc-btn-a:hover{color:#fff;background:linear-gradient(180deg,color-mix(in srgb,var(--gc-acc) 60%,#fff),var(--gc-acc))}
@media(max-width:900px){.ent-hero::before{background:linear-gradient(180deg,rgba(255,255,255,.85),rgba(247,245,241,.6))}}
@supports not (backdrop-filter:blur(1px)){.ent-cycle div,.gc-glass{background:rgba(255,255,255,.75)}}
.ent-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;text-align:center;margin-top:1.6rem}
.ent-stats b{display:block;font:700 clamp(2.2rem,4vw,3.2rem) var(--gc-head);color:var(--gc-acc)}.ent-stats span{color:var(--gc-mut);font-size:.95rem}
.ent-4{grid-template-columns:repeat(4,1fr)!important}.ent-pl ul{margin:.8rem 0 0;padding-left:1.1rem;color:var(--gc-mut);font-size:.93rem;line-height:1.6}
.ent-src{font-size:.82rem;color:var(--gc-mut);text-align:center;margin:1.4rem 0 0}
@media(max-width:900px){.ent-4{grid-template-columns:1fr 1fr!important}}@media(max-width:560px){.ent-4,.ent-stats{grid-template-columns:1fr!important}}
@media(max-width:900px){.gc-hero-in,.gc-2c,.gc-det{grid-template-columns:1fr}.gc-grid,.gc-plat{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.gc-grid,.gc-plat{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.gc *{transition:none!important}}
.nv-head{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap}
.nv-lead{font-size:1.12rem;line-height:1.7;color:var(--gc-mut);max-width:62ch}
.nv-sub{font:600 .8rem var(--gc-head);letter-spacing:.2em;text-transform:uppercase;color:var(--gc-acc);margin:2.4rem 0 .8rem}
.nv-fig{margin:0 0 1rem;text-align:center}
.nv-fig img{display:block;width:auto;height:auto;max-width:100%;max-height:min(70vh,520px);margin:0 auto;border-radius:6px}
.nv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:2rem 1.5rem;margin:1.6rem 0}
.nv-card{display:flex;flex-direction:column;text-decoration:none!important;color:var(--gc-ink)}
.nv-card-im{display:block;aspect-ratio:4/3;overflow:hidden;border-radius:6px;background:var(--gc-soft);margin-bottom:.9rem}
.nv-card-im img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.nv-card:hover .nv-card-im img{transform:scale(1.04)}
.nv-card-cat{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gc-acc);font-weight:600;margin-bottom:.35rem}
.nv-card-t{font-family:var(--gc-head);font-size:1.25rem;line-height:1.25;margin-bottom:.4rem}
.nv-card:hover .nv-card-t{text-decoration:underline;text-underline-offset:4px}
.nv-card-d{font-size:.93rem;line-height:1.55;color:var(--gc-mut)}
.nv-card-p{margin-top:.5rem;font-weight:600;font-size:.93rem}
.nv-cats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;margin-top:1.6rem}@media(max-width:900px){.nv-cats{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.nv-cats{grid-template-columns:1fr}}
.nv-cat{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;border-radius:6px;background:var(--gc-ink);text-decoration:none!important}
.nv-cat img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85;transition:transform .4s,opacity .3s}
.nv-cat:hover img{transform:scale(1.04);opacity:1}
.nv-cat-t{position:absolute;left:0;right:0;bottom:0;padding:2.6rem 1rem .9rem;background:linear-gradient(transparent,rgba(0,0,0,.85));color:#fff}
.nv-cat-t b{display:block;font-family:var(--gc-head);font-weight:500;font-size:1.15rem;line-height:1.25}
.nv-cat-t span{font-size:.8rem;line-height:1.4;color:#fff;display:block;margin-top:.2rem}
.nv-box{background:var(--gc-soft);border:1px solid var(--gc-line);border-radius:8px;padding:1.4rem 1.5rem;margin:2rem 0 1rem}
.nv-box .nv-h{margin:0 0 .6rem;font-size:1.3rem}
.nv-box ol{margin:0 0 1rem 1.2rem}
.nv-act{display:flex;gap:.7rem;flex-wrap:wrap;margin:0}
.nv-btn{display:inline-flex;align-items:center;min-height:46px;padding:.7rem 1.4rem;border-radius:4px;font-weight:600;font-size:.9rem;text-decoration:none!important;border:1px solid var(--gc-ink)}
.nv-btn-k{background:var(--gc-ink);color:#fff!important}.nv-btn-k:hover{background:#fff;color:var(--gc-ink)!important}
.nv-btn-o{background:transparent;color:var(--gc-ink)!important}.nv-btn-o:hover{background:var(--gc-ink);color:#fff!important}
.nv-nota{font-size:.88rem;color:var(--gc-mut);margin:.4rem 0}
@media(prefers-reduced-motion:reduce){.nv-card-im img,.nv-cat img{transition:none}}
.rf-em{color:var(--gc-acc);font-style:italic}
.rf-fig{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:.8rem}.rf-fig img{width:100%;height:100%;object-fit:cover;display:block;border-radius:6px}.rf-fig .a{grid-row:span 2;aspect-ratio:3/4.4}.rf-fig .b,.rf-fig .c{aspect-ratio:1/1}
.rf-img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;border-radius:6px}
@media(max-width:560px){.rf-fig .a{aspect-ratio:3/4}}