@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/bricolage-grotesque-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-weight:800;font-display:swap;src:url(/fonts/bricolage-grotesque-latin-800-normal.woff2) format("woff2")}
@font-face{font-family:"Atkinson Hyperlegible";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/atkinson-hyperlegible-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Atkinson Hyperlegible";font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/atkinson-hyperlegible-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Atkinson Hyperlegible";font-style:italic;font-weight:400;font-display:swap;src:url(/fonts/atkinson-hyperlegible-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Gochi Hand";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/gochi-hand-latin-400-normal.woff2) format("woff2")}

/* Layout: vetrina su un foglio di quaderno a quadretti, margine rosso a sinistra.
   PC (≥1080px): pagina larga 1360px, apertura a due colonne con la pila dei volumi, scaffale delle novità a 4, catalogo a 4 colonne.
   Tablet (721–1079px): due colonne. Telefono (≤720px): una colonna, scaffale e pagine scorrono in orizzontale. */
:root{
  --paper:#FFFDF7; --grid:rgba(52,92,150,.10); --ink:#1E1B24; --muted:#5C5867; --line:rgba(30,27,36,.14);
  --card:#FFFFFF; --chip:#FFFFFF; --margin:#F2A0A0; --hl:#FFE07A; --hl-ink:#1E1B24; --btn:#1E1B24; --btn-ink:#FFFFFF;
  --soon:#EDEAF3; --soon-ink:#4A4657; --ok:#0F8A5B; --err:#C0140B; --focus:#2347C9; --shadow:0 1px 0 rgba(30,27,36,.06),0 8px 24px -12px rgba(30,27,36,.28);
  --shelf:#EFE7D6; --tape:rgba(255,224,122,.85);
  --mat:#FF6F00; --ita:#E8160D; --lat:#9A4C21; --sto:#763DF3; --sci:#06A7CE; --p1:#2347C9; --p2:#0FA36B;
  --b-rule:#EAF1FF; --b-err:#FFECEC; --b-tip:#E8F7EE;
  --display:"Bricolage Grotesque","Arial Narrow",Arial,sans-serif; --body:"Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif; --hand:"Gochi Hand","Comic Sans MS","Chalkboard SE",cursive;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#16151B; --grid:rgba(255,255,255,.045); --ink:#F2EFE8; --muted:#ABA7B5; --line:rgba(242,239,232,.14);
  --card:#1F1D25; --chip:#24222B; --margin:rgba(242,120,120,.40); --hl:#6E5600; --hl-ink:#FFF6D6; --btn:#F2EFE8; --btn-ink:#16151B;
  --soon:#2A2733; --soon-ink:#CFCAD9; --ok:#4FD39A; --err:#FF8A80; --focus:#9DB4FF; --shadow:0 1px 0 rgba(0,0,0,.3),0 10px 28px -14px rgba(0,0,0,.7);
  --shelf:#26232D; --tape:rgba(160,130,30,.75);
  --b-rule:#1D2740; --b-err:#3A1F22; --b-tip:#183227; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#16151B; --grid:rgba(255,255,255,.045); --ink:#F2EFE8; --muted:#ABA7B5; --line:rgba(242,239,232,.14);
  --card:#1F1D25; --chip:#24222B; --margin:rgba(242,120,120,.40); --hl:#6E5600; --hl-ink:#FFF6D6; --btn:#F2EFE8; --btn-ink:#16151B;
  --soon:#2A2733; --soon-ink:#CFCAD9; --ok:#4FD39A; --err:#FF8A80; --focus:#9DB4FF; --shadow:0 1px 0 rgba(0,0,0,.3),0 10px 28px -14px rgba(0,0,0,.7);
  --shelf:#26232D; --tape:rgba(160,130,30,.75);
  --b-rule:#1D2740; --b-err:#3A1F22; --b-tip:#183227; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background-color:var(--paper);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px;color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55}
img{max-width:100%;height:auto}
.wrap{max-width:1360px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:0 48px}
.sheet{border-left:2px solid var(--margin);padding-left:clamp(14px,3.4vw,48px)}
h1,h2,h3{font-family:var(--display);line-height:1.08;text-wrap:balance;margin:0}
h2{font-size:clamp(30px,3.6vw,44px);font-weight:800;letter-spacing:-.01em}
h3{font-size:21px;font-weight:800}
p{margin:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
.hl{background:linear-gradient(transparent 50%,var(--hl) 50%,var(--hl) 92%,transparent 92%);color:var(--hl-ink);padding:0 .08em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
section{padding-block:clamp(40px,5vw,72px) 8px;scroll-margin-top:12px}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:10px 40px}
.sec-head p{color:var(--muted);max-width:56ch;font-size:17px}

/* testata */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:18px 6px}
.logo{display:flex;align-items:baseline;gap:8px;text-decoration:none;white-space:nowrap}
.logo b{font-family:var(--display);font-weight:800;font-size:24px;letter-spacing:.02em}
.logo span{font-family:var(--hand);font-size:20px;color:var(--muted)}
.nav{display:flex;align-items:center;gap:22px;font-weight:700;font-size:16px}
.nav a{text-decoration:none}
.nav a:hover,.nav a[aria-current=page]{text-decoration:underline;text-underline-offset:4px}

/* apertura */
.hero{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(24px,4vw,64px);align-items:center;padding-block:clamp(18px,3vw,40px) 0}
.hero h1{font-size:clamp(38px,5vw,70px);font-weight:800;letter-spacing:-.02em}
.hero .lead{margin-top:18px;font-size:clamp(18px,1.5vw,20px);max-width:38ch}
.hero-act{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:26px}
.cta{display:inline-flex;align-items:center;gap:10px;background:var(--btn);color:var(--btn-ink);text-decoration:none;font-weight:700;padding:14px 22px;border-radius:12px;font-size:17px}
.cta:hover{filter:brightness(1.08)}
.ghost{font-weight:700;text-underline-offset:4px}
.facts{display:flex;flex-wrap:wrap;gap:8px 22px;margin:22px 0 0;padding:0;list-style:none;font-size:15px;color:var(--muted)}
.facts b{color:var(--ink)}
.hero-img{position:relative;margin:0}
.hero-img img{display:block;width:100%;height:auto}
.sticky{position:absolute;z-index:3;background:var(--hl);color:var(--hl-ink);font-family:var(--hand);font-size:clamp(18px,1.7vw,24px);line-height:1.1;padding:12px 14px;transform:rotate(-5deg);box-shadow:var(--shadow);max-width:13ch}
.hero-img .sticky{left:2%;top:5%}

/* scaffale delle novità */
.shelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.4vw,36px);margin-top:28px;position:relative}
.shelf::before{content:"";position:absolute;left:-12px;right:-12px;top:calc(var(--shot-h,250px) - 18px);height:26px;background:var(--shelf);border-radius:6px;box-shadow:0 10px 18px -12px rgba(30,27,36,.35);z-index:0}
.book{position:relative;z-index:1;display:flex;flex-direction:column;min-width:0}
.book .shot{height:var(--shot-h,250px);display:flex;align-items:flex-end;justify-content:center;padding:0 6%}
.book .shot img{max-height:100%;width:auto;max-width:100%;object-fit:contain}
.book h3{font-size:24px;margin-top:22px}
.book .cls{display:block;font-family:var(--body);font-weight:700;font-size:15px;color:var(--c);margin-top:4px}
.book .desc{font-size:15px;color:var(--muted);margin-top:8px}
.book .act{margin-top:12px}

/* dentro il libro */
.tabs{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:inherit;font-size:16px;font-weight:700;background:var(--chip);color:var(--ink);border:1.5px solid var(--line);border-radius:999px;padding:8px 15px;cursor:pointer;min-height:42px;white-space:nowrap}
.chip[aria-pressed="true"]{background:var(--btn);color:var(--btn-ink);border-color:var(--btn)}
.chip:hover{border-color:var(--ink)}
.taped{position:relative;margin:22px 0 0}
.taped::before{content:"";position:absolute;top:-11px;left:calc(50% - 50px);width:100px;height:24px;background:var(--tape);transform:rotate(-2deg);z-index:2}
.zoomable{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in;color:inherit;font:inherit}
.zoomable img{display:block;width:100%;height:auto;border-radius:10px;box-shadow:var(--shadow);background:var(--card)}
.taped[hidden]{display:none}
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,2.6vw,36px);margin-top:36px}
.duo figure{margin:0}
.duo figcaption{margin-top:12px;font-size:16px;color:var(--muted);max-width:52ch}
.duo figcaption b{display:block;font-family:var(--display);font-size:22px;color:var(--ink);margin-bottom:2px}

/* catalogo */
.filter{margin-top:22px}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:20px}
.vol{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;background:var(--card);position:relative;overflow:hidden;scroll-margin-top:16px;min-width:0}
.vol[hidden]{display:none}
.vol .shot{background:var(--paper);background:color-mix(in srgb,var(--c) 12%,var(--paper));display:flex;align-items:flex-end;justify-content:center;height:230px;padding:18px 12% 14px}
.vol .shot img{max-height:100%;width:auto;max-width:100%}
.vol .body{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.vol .name{font-family:var(--display);font-weight:800;font-size:21px;line-height:1.1;margin:0}
.vol .cls{font-weight:700;color:var(--c);font-size:15px;margin-top:3px}
[data-theme="dark"] .vol .cls,[data-theme="dark"] .book .cls{filter:brightness(1.35)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .vol .cls,:root:not([data-theme="light"]) .book .cls{filter:brightness(1.35)}}
.vol .tag{display:inline-block;align-self:flex-start;margin-top:8px;font-size:13px;font-weight:700;border:1px solid var(--line);border-radius:6px;padding:2px 7px}
.vol .desc{font-size:15px;color:var(--muted);margin-top:8px;flex:1}
.vol details{margin-top:10px;font-size:15px}
.vol summary{cursor:pointer;font-weight:700;text-decoration:underline;text-underline-offset:3px;width:max-content;max-width:100%}
.vol ol{margin:8px 0 0;padding-left:22px;color:var(--muted);display:grid;gap:2px}
.act{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:12px}
.primary{display:inline-flex;align-items:center;gap:8px;background:var(--btn);color:var(--btn-ink);text-decoration:none;font:inherit;font-weight:700;font-size:15px;padding:10px 14px;border-radius:10px;border:0;cursor:pointer}
.primary:hover{filter:brightness(1.1)}
.price{font-size:14px;color:var(--muted)}
.price b{color:var(--ink);font-size:17px}
.pill{font-size:13px;font-weight:700;background:var(--soon);color:var(--soon-ink);border-radius:999px;padding:4px 10px}
.value{margin-top:6px}

/* pagine da sfogliare */
.strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding:18px 2px 14px;margin-top:4px}
.strip[hidden]{display:none}
.pg{min-width:0;background:none;border:0;padding:0;cursor:zoom-in;text-align:left;color:inherit;font:inherit}
.pg img{display:block;width:100%;aspect-ratio:900/1165;object-fit:cover;border-radius:4px;box-shadow:var(--shadow);background:var(--card)}
.pg span{display:block;font-size:14px;color:var(--muted);margin-top:8px}
.hint{font-size:14px;color:var(--muted)}
dialog{border:0;padding:0;background:transparent;max-width:min(94vw,1200px);width:100%}
dialog::backdrop{background:rgba(10,9,14,.72)}
.zoombox{background:var(--card);color:var(--ink);border-radius:14px;padding:12px;display:grid;gap:10px}
.zoombox img{width:100%;height:auto;max-height:80vh;object-fit:contain;border-radius:6px}
.zoomfoot{display:flex;justify-content:space-between;align-items:center;gap:12px}
.close{font:inherit;font-weight:700;background:var(--btn);color:var(--btn-ink);border:0;border-radius:10px;padding:8px 14px;cursor:pointer}

/* blog */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:20px}
.postcard{display:grid;gap:8px;align-content:start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;text-decoration:none;color:inherit}
a.postcard:hover{border-color:var(--ink)}
.postcard img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:top;border-radius:6px}
.postcard .kind{font-size:14px;font-weight:700;color:var(--muted)}
.postcard b{font-family:var(--display);font-size:20px;line-height:1.15}
.postcard .soonp{font-size:13px;color:var(--muted)}
.posts.one{grid-template-columns:minmax(0,1fr)}
.posts.one .postcard{grid-template-columns:minmax(0,360px) minmax(0,1fr);column-gap:28px;align-content:center;padding:18px}
.posts.one .postcard img{grid-row:span 3;aspect-ratio:16/10}
.posts.one .postcard .kind{align-self:end}
.posts.one .postcard b{font-size:clamp(22px,2.4vw,30px);max-width:24ch}

.postwrap{display:grid;grid-template-columns:minmax(0,68ch) 300px;justify-content:space-between;gap:56px;align-items:start}
.post{max-width:68ch;padding-block:18px 8px}
.side{position:sticky;top:20px;margin-top:40px;background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.side .shot{background:color-mix(in srgb,var(--mat) 12%,var(--paper));display:flex;justify-content:center;padding:22px 18% 12px}
.side .body{padding:14px 16px 18px}
.side b{font-family:var(--display);font-size:19px;line-height:1.15;display:block}
.side p{font-size:15px;color:var(--muted);margin-top:6px}
.back{display:inline-block;font-weight:700;text-decoration:none;margin-bottom:18px}
.crumbs{font-size:14px;color:var(--muted);font-weight:700;letter-spacing:.03em}
.post h1{font-size:clamp(32px,4.4vw,48px);font-weight:800;letter-spacing:-.015em;margin-top:6px}
.post .meta{font-size:15px;color:var(--muted);margin-top:10px}
.post h2{font-size:clamp(24px,3vw,30px);margin-top:34px}
.post p{margin-top:12px}
.answer{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-top:18px!important}
.formule{overflow-x:auto;margin-top:18px}
.formule table{border-collapse:collapse;width:100%;min-width:420px;font-size:16px;background:var(--card)}
.formule th,.formule td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.formule th{font-weight:700}
.formule td:last-child{font-variant-numeric:tabular-nums;white-space:nowrap}
.post figure{margin:22px 0 0}
.post figure img{border-radius:6px;box-shadow:var(--shadow);width:100%;max-width:560px}
.post figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.box{border-radius:12px;padding:12px 14px;margin-top:14px}
.box b{display:block;font-size:14px;margin-bottom:4px}
.box.rule{background:var(--b-rule)} .box.err{background:var(--b-err)} .box.tip{background:var(--b-tip)}
.ex{display:grid;gap:10px;margin-top:14px}
.ex details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.ex summary{cursor:pointer;font-weight:700}
.ex details p{margin-top:8px}
.inbook{display:grid;grid-template-columns:96px minmax(0,1fr);gap:14px;align-items:start;margin-top:30px;background:var(--card);border:1.5px solid var(--mat);border-radius:14px;padding:14px}
.inbook img{width:96px}
.inbook p{margin-top:6px!important}
.postlist{display:grid;gap:14px;margin-top:18px}
.legal{max-width:68ch;padding-block:18px 8px}
.legal h1{font-size:clamp(32px,4.4vw,44px);font-weight:800;margin-top:6px}
.legal h2{font-size:24px;margin-top:28px}
.legal p,.legal li{margin-top:10px}
.legal ul{padding-left:22px}
footer{margin-top:56px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 32px}
footer a{text-underline-offset:3px}

/* tablet */
@media (max-width:1079px){
  .hero{grid-template-columns:1fr 1fr}
  .shelf{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:40px}
  .shelf::before{display:none}
  .book .shot{background:var(--shelf);border-radius:14px;padding-top:18px;padding-bottom:12px}
  .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
  .postwrap{grid-template-columns:minmax(0,1fr)}
  .side{display:none}
}
@media (min-width:1080px){.post .inbook{display:none}}

/* telefono */
@media (max-width:720px){
  body{font-size:16.5px}
  .nav{gap:14px;font-size:15px}
  .nav .wide{display:none}
  .logo b{font-size:22px}.logo span{font-size:18px}
  .hero{grid-template-columns:1fr;gap:6px}
  .hero-img{order:-1;margin:0 -6px}
  .hero-img .sticky{left:0;top:0;font-size:17px;padding:8px 10px}
  .hero h1{font-size:clamp(34px,9.4vw,44px)}
  .hero-act{margin-top:20px}
  .cta{flex:1 1 auto;justify-content:center}
  .sec-head p{font-size:16px}
  .shelf{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;margin-right:-16px;padding:4px 16px 12px 0}
  .book{flex:0 0 72%;scroll-snap-align:start}
  .book .shot{height:230px}
  .book h3{font-size:22px;margin-top:14px}
  .duo{grid-template-columns:1fr;margin-top:26px}
  .filter{flex-wrap:nowrap;overflow-x:auto;margin-right:-16px;padding:2px 16px 6px 0}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .vol .shot{height:170px;padding:14px 10% 10px}
  .vol .body{padding:12px 12px 14px}
  .vol .name{font-size:18px}
  .vol .tag{font-size:12px}
  .vol .desc,.vol details{font-size:14px}
  .vol .act{flex-direction:column;align-items:flex-start;gap:6px}
  .strip{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;margin-right:-16px;padding-right:16px}
  .strip[hidden]{display:none}
  .pg{flex:0 0 58vw;max-width:230px;scroll-snap-align:start}
  .posts,.posts.one{grid-template-columns:1fr}
  .posts.one .postcard{grid-template-columns:96px minmax(0,1fr);column-gap:14px;padding:14px}
  .posts.one .postcard img{aspect-ratio:3/4}
  .posts.one .postcard b{font-size:19px}
  .postcard{grid-template-columns:96px minmax(0,1fr);column-gap:14px}
  .postcard img{grid-row:span 3;aspect-ratio:3/4}
  footer{flex-direction:column}
}
@media (max-width:380px){.grid{grid-template-columns:1fr}.vol .act{flex-direction:row;align-items:center}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}