/* WindowServer.it. Tokens e layout nati dal mockup approvato. */
@font-face{font-family:'Archivo';src:url('/fonts/archivo-latin-wdth-normal.woff2') format('woff2');font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('/fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('/fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('/fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url('/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url('/fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'Space Grotesk';src:url('/fonts/space-grotesk-latin-700-normal.woff2') format('woff2');font-weight:700;font-display:swap}

:root{color-scheme:dark;--bg:#0A0F1A;--sf:#121A2A;--sf2:#1A2438;--ln:#2A3650;--tx:#EDF1F7;--mu:#A9B5C8;--ac:#00A4E4;--act:#4CC2F1;--am:#FFC01E;--on:#07101C;--sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;--disp:'Archivo','Arial Narrow',Arial,sans-serif;--mono:'IBM Plex Mono',Consolas,monospace}
:root[data-theme="light"]{color-scheme:light;--bg:#F4F6F9;--sf:#FFFFFF;--sf2:#E8EDF3;--ln:#D3DAE4;--tx:#0E1624;--mu:#4A5870;--act:#00699A;--am:#9A6700}

*{box-sizing:border-box}
html{scroll-padding-top:24px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--tx);font-family:var(--sans);font-size:17px;line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
h1,h2,h3{font-family:var(--disp);font-stretch:112%;margin:0;letter-spacing:-.01em;text-wrap:balance}
:focus-visible{outline:2px solid var(--ac);outline-offset:2px}
[hidden]{display:none!important}
.skip-link{position:absolute;left:-9999px;top:8px;z-index:20;background:var(--ac);color:var(--on);padding:10px 16px;border-radius:4px}
.skip-link:focus{left:16px}
.wrap{max-width:1320px;margin:0 auto;padding:0 40px}

/* Testata e piede restano scuri in entrambi i temi, come il logo. */
.hd{background:#0A0F1A;border-bottom:1px solid #2A3650;position:relative;z-index:5;color:#EDF1F7}
.hd-in{display:flex;align-items:center;gap:32px;min-height:76px;flex-wrap:wrap}
.logo{height:42px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:4px;flex:1;flex-wrap:wrap}
.nav a,.nav button{background:none;border:0;color:#EDF1F7;font:500 15px var(--sans);min-height:44px;padding:0 14px;display:inline-flex;align-items:center;gap:6px;cursor:pointer;border-radius:4px}
.nav a:hover,.nav button:hover{background:#1A2438}
.ibtn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;background:none;border:1px solid #2A3650;border-radius:4px;color:#EDF1F7;cursor:pointer;flex:none}
.ibtn:hover{border-color:#00A4E4}
.nav-toggle{display:none}
.drop{position:absolute;top:100%;left:0;right:0;background:#121A2A;border-bottom:1px solid #2A3650;padding:24px 0}
.drop-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:4px 24px}
.drop-g a{padding:10px 12px;border-radius:4px;font-size:15px;color:#EDF1F7}
.drop-g a:hover{background:#1A2438;color:#4CC2F1}

.k{font:500 12.5px var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--act)}
.m{font-size:14px;color:var(--mu)}

/* Homepage */
.hero{--tx:#EDF1F7;--mu:#A9B5C8;--act:#4CC2F1;--am:#FFC01E;--sf:#121A2A;--ln:#2A3650;--veil:linear-gradient(90deg,rgba(10,15,26,.96) 0%,rgba(10,15,26,.84) 48%,rgba(10,15,26,.42) 100%);color:var(--tx);background:var(--veil),url('/img/brand/hero-home.jpg') center 42%/cover no-repeat #0A0F1A;padding:88px 0 80px;border-bottom:1px solid var(--ln)}
.hero .k{margin:0 0 22px}
.hero h1{font-size:clamp(34px,8.4vw,120px);line-height:.98;font-weight:800}
.hero h1 span{color:var(--am)}
.cur{display:inline-block;width:.42em;height:.09em;background:var(--am);margin-left:.08em}
.prompt{display:flex;align-items:center;gap:12px;background:var(--sf);border:1px solid var(--ln);border-radius:4px;margin-top:40px;padding:6px 6px 6px 20px;max-width:880px;flex-wrap:wrap}
.prompt:focus-within{border-color:var(--ac)}
.prompt span{font:500 16px var(--mono);color:var(--act);white-space:nowrap}
.prompt input{flex:1 1 200px;min-width:0;background:none;border:0;outline:0;color:var(--tx);font:400 17px var(--mono);min-height:48px}
.prompt input::placeholder{color:var(--mu)}
.btn{background:var(--ac);color:var(--on);border:0;border-radius:4px;font:600 15px var(--sans);min-height:48px;padding:0 24px;cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.btn:hover{background:#4CC2F1}
.sec{padding:72px 0 0}
main{padding-bottom:72px}
main:has(>.band){padding-bottom:0}
.sec-h{display:flex;justify-content:space-between;align-items:baseline;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-h h2{font-size:32px;font-weight:700}
.lead{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:40px}
.lead-a{grid-column:span 8;display:block;min-width:0}
.lead-a img,.lead-a .cov{width:100%;aspect-ratio:16/9;object-fit:cover;display:flex;box-shadow:12px 12px 0 var(--ac)}
.lead-a h2{font-size:44px;line-height:1.08;font-weight:800;margin:40px 0 14px}
.lead-a:hover h2{color:var(--act)}
.lead-a p{margin:0 0 14px;font-size:19px;max-width:760px}
.lead-s{grid-column:span 4;display:flex;flex-direction:column;min-width:0}
.row{display:grid;grid-template-columns:132px minmax(0,1fr);gap:18px;padding:20px 0;border-bottom:1px solid var(--ln)}
.row:first-child{padding-top:0}
.row img,.row .cov{width:132px;aspect-ratio:16/9;object-fit:cover;display:flex}
.row .cov{padding:8px}
.row .cov i{display:none}
.row .cov b{font-size:13px}
.row h3{font-size:18px;line-height:1.22;font-weight:700;margin:6px 0;font-stretch:104%}
.row:hover h3{color:var(--act)}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:1px;background:var(--ln);border:1px solid var(--ln)}
.tile{background:var(--bg);padding:24px 26px;min-height:112px;display:flex;flex-direction:column;justify-content:space-between;gap:16px}
.tile b{font:700 21px/1.15 var(--disp);font-stretch:108%}
.tile:hover{background:var(--sf)}
.tile:hover b{color:var(--act)}
.tile span{font:400 13.5px var(--mono);color:var(--mu)}

/* Elenchi */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:48px 32px}
.card{display:block;min-width:0}
.card img,.card .cov{width:100%;aspect-ratio:16/9;object-fit:cover;display:flex;transition:box-shadow .15s,transform .15s}
.card:hover img,.card:hover .cov{box-shadow:7px 7px 0 var(--ac);transform:translate(-2px,-2px)}
.card h3{font-size:21px;line-height:1.18;font-weight:700;margin:8px 0 10px;font-stretch:106%}
.card .k{display:block;margin-top:18px}
.cov{background-color:#0A0F1A;background-image:linear-gradient(#1A2438 1px,transparent 1px),linear-gradient(90deg,#1A2438 1px,transparent 1px);background-size:30px 30px;border:1px solid #2A3650;color:#EDF1F7;padding:22px;flex-direction:column;justify-content:space-between}
.cov i{display:block;width:44px;height:8px;background:#00A4E4}
.cov b{font:800 clamp(24px,2.4vw,34px)/1 var(--disp);font-stretch:112%;letter-spacing:-.01em}
.top{background-color:#0A0F1A;background-image:linear-gradient(#1A2438 1px,transparent 1px),linear-gradient(90deg,#1A2438 1px,transparent 1px);background-size:44px 44px;border-bottom:1px solid #2A3650;color:#EDF1F7}
.top h1{font-size:clamp(40px,7vw,96px);line-height:1;font-weight:800;padding:52px 0 16px}
.top p{margin:0;padding-bottom:52px;color:#A9B5C8;font:400 15px var(--mono)}
.top .crumb{color:#A9B5C8;padding-top:32px}
.top .crumb a:hover{color:#4CC2F1}
.list{margin-top:56px}
.crumb{display:flex;gap:10px;flex-wrap:wrap;font:400 13.5px var(--mono);color:var(--mu);padding-top:40px}
.crumb a:hover{color:var(--act)}
.pg{display:flex;gap:6px;margin:56px 0 0;align-items:center;flex-wrap:wrap}
.pg a,.pg span{min-width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;font:500 14px var(--mono);border:1px solid var(--ln);border-radius:4px;padding:0 12px}
.pg a:hover{border-color:var(--ac)}
.pg .on{background:var(--ac);border-color:var(--ac);color:var(--on)}
.pg .gap{border:0;color:var(--mu)}

/* Fascia social */
.band{margin-top:80px;background:var(--ac);color:#07101C}
.band-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(340px,100%),1fr));gap:40px;padding-block:56px;align-items:center}
.band h2{font:700 44px/1.1 'Space Grotesk',var(--sans);letter-spacing:-.02em}
.band h2 span{color:#fff}
.band-a{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.so{min-height:48px;padding:0 18px;border-radius:4px;background:#07101C;color:#EDF1F7;display:inline-flex;align-items:center;font-weight:500;font-size:15px}
.so:hover{background:#1A2438}

/* Piede */
.ft{background:#1B2940;border-top:4px solid #00A4E4;color:#EDF1F7;padding:16px 0 36px}
.ft-lab{font:500 12.5px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:#A9B5C8}
.ft-sp{display:flex;flex-wrap:wrap;gap:28px;align-items:center;padding:32px 0;border-bottom:1px solid #3A4C6B}
.ft-sp img{height:56px;width:auto;display:block}
.ft-sp .mvp{height:52px;margin-left:auto}
.chip{background:#fff;border-radius:4px;padding:6px 14px;display:inline-flex;height:56px;align-items:center}
.chip img{height:42px}
.ft-b{display:flex;gap:32px;justify-content:space-between;flex-wrap:wrap;padding-top:24px;font-size:13.5px;color:#C3CEDD}
.ft-b a{text-decoration:underline}
.ft-b a:hover{color:#4CC2F1}
.ft-b p{margin:0;max-width:800px}

/* Articolo */
.head{padding:28px 0 32px;border-bottom:1px solid var(--ln)}
.head h1{font-size:clamp(32px,5vw,62px);line-height:1.04;font-weight:800;text-wrap:wrap}
.head p{font-size:21px;line-height:1.5;margin:22px 0;max-width:820px}
.head .m{font-size:15px;margin-top:22px}
.head .m b{color:var(--tx);font-weight:600}
.grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:56px;padding-top:40px}
.side{align-self:start;position:sticky;top:24px;max-height:calc(100vh - 48px);overflow:auto}
.side-m{font-size:15px;display:grid;gap:18px}
.toc+.side-m{margin-top:24px;padding-top:20px;border-top:1px solid var(--ln)}
.side-m span{display:block;font:500 12.5px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--mu);margin-bottom:6px}
.side-m a{display:block;padding:3px 0;color:var(--act)}
.side-m a:hover{color:var(--tx)}
.end-share{display:none}
.toc{font-size:15px;line-height:1.35;border-left:1px solid var(--ln)}
.toc a{display:block;padding:9px 0 9px 16px;margin-left:-1px;border-left:2px solid transparent;color:var(--mu)}
.toc a:hover{color:var(--tx)}
.toc .on{color:var(--tx);border-left-color:var(--ac);font-weight:500}
.body{min-width:0;font-size:18px;line-height:1.65}
.body h2{font-size:31px;line-height:1.15;font-weight:700;margin:48px 0 14px;color:var(--act)}
.body>:first-child{margin-top:0}
.body h3{font-size:22px;font-weight:700;margin:34px 0 12px;color:var(--am)}
.body h4{font:700 18px var(--disp);margin:28px 0 10px}
.body p,.body ul,.body ol{margin:0 0 18px}
.body li{margin-bottom:6px}
.body a{color:var(--act);text-decoration:underline;text-underline-offset:2px}
.body img{display:block;margin:0 0 22px;border:1px solid var(--ln);border-radius:4px}
.body blockquote{margin:0 0 22px;padding:14px 20px;background:var(--sf);border:1px solid var(--ln);border-radius:4px}
.body blockquote>:last-child{margin-bottom:0}
.body :not(pre)>code{font:400 .88em var(--mono);background:var(--sf2);padding:2px 6px;border-radius:3px;overflow-wrap:anywhere}
.tb{overflow-x:auto;border:1px solid var(--ln);border-radius:4px;margin:0 0 22px}
.tb table{border-collapse:collapse;width:100%;min-width:560px;font-size:15.5px;line-height:1.45}
.tb th{text-align:left;background:var(--sf2);font-weight:600}
.tb th,.tb td{padding:12px 16px;border-top:1px solid var(--ln);vertical-align:top}
.tb tr:first-child th,.tb tr:first-child td{border-top:0}
.code{background:#07101C;border:1px solid #2A3650;border-radius:4px;margin:0 0 22px;overflow:hidden;color:#EDF1F7}
.code-h{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:4px 6px 4px 16px;border-bottom:1px solid #2A3650;font:400 13px var(--mono);color:#A9B5C8}
.code button{background:none;border:0;color:#4CC2F1;font:500 13px var(--mono);min-height:44px;padding:0 12px;cursor:pointer}
.code pre{margin:0;padding:16px;font:400 15px/1.5 var(--mono);overflow-x:auto;background:transparent!important}
.end{display:flex;gap:24px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:44px;padding-top:24px;border-top:1px solid var(--ln)}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tags span{font:400 13.5px var(--mono);border:1px solid var(--ln);border-radius:4px;padding:0 12px;min-height:36px;display:inline-flex;align-items:center}
.end .m a{color:var(--act)}
.rel{padding:80px 0 0}
.rel h2{font-size:32px;font-weight:700;margin-bottom:28px}

/* Pagine statiche, ricerca, errori */
.page{max-width:820px;margin-top:56px}
.page h1{font-size:clamp(36px,5vw,62px);line-height:1.04;font-weight:800;margin-bottom:28px}
.results{display:flex;flex-direction:column;margin-top:32px}
.results a{padding:18px 0;border-bottom:1px solid var(--ln);display:block}
.results b{font:700 20px/1.2 var(--disp);display:block;margin-bottom:6px}
.results a:hover b{color:var(--act)}
.results p{margin:0;font-size:15px;color:var(--mu)}
.results mark{background:none;color:var(--am);font-weight:600}
.notice{padding:96px 0}
.notice .code404{font:800 clamp(72px,14vw,160px)/1 var(--disp);color:var(--am);margin:0}
.notice p{font-size:20px;max-width:640px}
.notice a{color:var(--act);text-decoration:underline}

@media(max-width:980px){
  .wrap{padding:0 20px}
  .lead{display:block}
  .lead-s{margin-top:40px}
  .lead-a h2{font-size:34px}
  .band-a{justify-content:flex-start}
  .grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .side{position:static;max-height:none;overflow:visible}
  .side:not(:has(.toc)){display:none}
  .side-m{display:none}
  .end-share{display:block}
  .toc{position:static;max-height:none}
}
@media(max-width:780px){
  .hd-in{gap:8px 12px;padding-block:10px}
  .hd-in>a:first-child{margin-right:auto}
  .nav-toggle{display:inline-flex;order:3}
  .nav{order:4;flex:1 1 100%;display:none;flex-direction:column;align-items:stretch}
  .nav.open{display:flex}
  .logo{height:34px}
  .cards{grid-template-columns:minmax(0,1fr)}
  .row{grid-template-columns:108px minmax(0,1fr);gap:14px}
  .row img,.row .cov{width:108px}
  .lead-a img,.lead-a .cov{box-shadow:8px 8px 0 var(--ac);width:calc(100% - 8px)}
  .hero{padding:36px 0;--veil:linear-gradient(90deg,rgba(10,15,26,.9),rgba(10,15,26,.74))}
  .hero h1{font-size:clamp(34px,10.4vw,88px)}
  .sec{padding-top:48px}
  main{padding-bottom:48px}
  .band{margin-top:48px}
  .band h2{font-size:26px}
  .prompt{padding:6px 6px 6px 14px}
  .ft-sp .mvp{margin-left:0}
  .drop{position:static}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}