/* ============================================================
   Hotel Math — foglio di stile unico. Nessuna risorsa esterna.
   ============================================================ */

/* ---------- Font: Montserrat variabile, self-hosted ---------- */
@font-face{
  font-family:"Montserrat";
  src:url("../fonts/montserrat-var.woff2") format("woff2-variations"),
      url("../fonts/montserrat-var.woff2") format("woff2");
  font-weight:400 800; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"Montserrat";
  src:url("../fonts/montserrat-var-italic.woff2") format("woff2-variations"),
      url("../fonts/montserrat-var-italic.woff2") format("woff2");
  font-weight:400 800; font-style:italic; font-display:swap;
}

/* ---------- Token ---------- */
:root{
  --navy:#0C3C72; --navy-d:#082A50; --navy-l:#14548F; --navy-tint:#E9EFF6;
  --teal:#00968A; --teal-d:#00786F; --teal-l:#00B3A4; --teal-tint:#E1F2F0;
  --ink:#12202E; --ink-2:#2C3B4A; --muted:#5A6B7A; --faint:#8494A2;
  --paper:#FFFFFF; --surface:#F5F8FA; --surface-2:#EDF2F6;
  --rule:#DCE4EB; --rule-soft:#EAF0F4;
  --warn:#B4690E; --warn-tint:#FBF1E2;
  --maxw:1180px; --readw:70ch;
  --r:6px;
  --f:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}

/* ---------- Reset essenziale ---------- */
*,*::before,*::after{box-sizing:border-box}
/* [hidden] deve vincere su qualunque display dichiarato dal tema */
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f);
  font-size:17px;line-height:1.68;font-weight:400;-webkit-font-smoothing:antialiased;
  font-synthesis-weight:none}
img,svg,video{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.2;letter-spacing:-.018em;text-wrap:balance;color:var(--navy)}
h1{font-size:clamp(2rem,4.4vw,3rem);letter-spacing:-.028em}
h2{font-size:clamp(1.45rem,2.6vw,2rem)}
h3{font-size:1.18rem;font-weight:700}
h4{font-size:1rem;font-weight:700}
p,ul,ol,table,figure,pre,blockquote{margin:0 0 1.1em}
:where(p,li):last-child{margin-bottom:0}
a{color:var(--teal-d);text-decoration:underline;text-underline-offset:2px;
  text-decoration-thickness:1px;text-decoration-color:rgba(0,120,111,.4)}
a:hover{text-decoration-color:currentColor}
:focus-visible{outline:2.5px solid var(--teal-d);outline-offset:2px;border-radius:2px}
strong,b{font-weight:700}
code,kbd,samp{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;
  background:var(--surface-2);padding:.1em .35em;border-radius:3px}
hr{border:0;border-top:1px solid var(--rule);margin:2.5rem 0}
::selection{background:var(--teal-tint);color:var(--navy-d)}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--navy);color:#fff;padding:.7rem 1.1rem}
.skip-link:focus{left:.5rem;top:.5rem}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1rem,4vw,2rem)}
.wrap-narrow{max-width:860px}
main{display:block;min-height:60vh}
.section{padding-block:clamp(2.5rem,5vw,4rem)}
.stack>*+*{margin-top:1.1rem}

/* ---------- Utility ---------- */
.eyebrow{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-d)}
.lede{font-size:1.1rem;color:var(--muted);max-width:64ch}
.muted{color:var(--muted)}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- Testata ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--rule)}
.site-header .bar{display:flex;align-items:center;gap:1.5rem;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;flex:0 0 auto}
.brand svg{width:34px;height:34px;flex:0 0 auto}
.brand .bt{font-weight:800;font-size:1.06rem;letter-spacing:-.02em;color:var(--navy);line-height:1}
.brand .bt em{font-style:normal;color:var(--teal-d)}
.site-nav{margin-left:auto;display:flex;gap:1.4rem;align-items:center}
.site-nav a{font-size:.92rem;font-weight:600;color:var(--ink-2);text-decoration:none}
.site-nav a:hover,.site-nav .current-menu-item>a{color:var(--teal-d)}
.site-nav ul{display:flex;gap:1.4rem;list-style:none;margin:0;padding:0}
@media(max-width:820px){.site-nav{display:none}}

/* ---------- Piede ---------- */
.site-footer{background:var(--navy-d);color:#C9D6E4;margin-top:4rem;padding-block:2.5rem 2rem;font-size:.9rem}
.site-footer a{color:#fff;text-decoration-color:rgba(255,255,255,.4)}
.site-footer h4{color:#fff;font-size:.74rem;letter-spacing:.13em;text-transform:uppercase;margin-bottom:.7rem}
.foot-grid{display:grid;gap:2rem;grid-template-columns:1fr}
@media(min-width:760px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:.4rem}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:2rem;padding-top:1.2rem;
  display:flex;flex-wrap:wrap;gap:.8rem;justify-content:space-between;color:#93A8BF;font-size:.82rem}

/* ---------- Bottoni ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:.94rem;
  padding:.65rem 1.15rem;border-radius:var(--r);border:1.5px solid transparent;cursor:pointer;
  text-decoration:none;font-family:inherit;transition:background .13s,border-color .13s,color .13s}
.btn-primary{background:var(--teal-d);color:#fff}
.btn-primary:hover{background:#00655D}
.btn-ghost{border-color:var(--rule);color:var(--navy);background:var(--paper)}
.btn-ghost:hover{border-color:var(--teal-d);color:var(--teal-d)}

/* ---------- Glossario: intestazione archivio ---------- */
.gl-hero{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-d) 100%);color:#fff;
  padding-block:clamp(2.5rem,5vw,3.6rem)}
.gl-hero h1{color:#fff}
.gl-hero .lede{color:#C6D6E8;margin-top:.9rem;font-size:1.08rem}
.gl-hero .eyebrow{color:var(--teal-l)}
.gl-stats{display:flex;flex-wrap:wrap;gap:2rem;margin-top:1.8rem}
.gl-stats div{line-height:1.25}
.gl-stats b{display:block;font-size:1.8rem;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.gl-stats span{font-size:.82rem;color:#9FB6CE}

/* ---------- Glossario: barra strumenti ---------- */
.gl-tools{position:sticky;top:68px;z-index:40;background:var(--paper);
  border-bottom:1px solid var(--rule);padding-block:.9rem}
.gl-search{display:flex;align-items:center;gap:.6rem;background:var(--surface);
  border:1.5px solid var(--rule);border-radius:var(--r);padding:.55rem .9rem}
.gl-search:focus-within{border-color:var(--teal-d);background:var(--paper)}
.gl-search svg{width:17px;height:17px;stroke:var(--faint);flex:0 0 auto}
.gl-search input{flex:1;border:0;background:transparent;font:inherit;font-size:1rem;color:var(--ink);outline:none;min-width:0}
.gl-search input::placeholder{color:var(--faint)}
.gl-search .clear{border:0;background:transparent;cursor:pointer;color:var(--muted);
  font:inherit;font-size:1.3rem;line-height:1;padding:0 .2rem;display:none}
.gl-search.has-value .clear{display:block}
.gl-search{position:relative}
.gl-sugg{position:absolute;left:-1.5px;right:-1.5px;top:calc(100% + 6px);z-index:60;
  background:var(--paper);border:1.5px solid var(--rule);border-radius:var(--r);
  box-shadow:0 12px 28px rgba(12,60,114,.13);overflow:hidden;max-height:min(60vh,420px);overflow-y:auto}
.gl-sugg[hidden]{display:none!important}
.gl-sugg li{list-style:none;margin:0}
.gl-sugg ul{margin:0;padding:0}
.gl-sugg a{display:block;padding:.55rem .9rem;text-decoration:none;border-bottom:1px solid var(--rule-soft)}
.gl-sugg li:last-child a{border-bottom:0}
.gl-sugg a:hover,.gl-sugg a.on{background:var(--teal-tint)}
.gl-sugg .n{display:block;font-weight:700;color:var(--navy);font-size:.95rem;line-height:1.3}
.gl-sugg .s{display:block;font-size:.78rem;color:var(--muted);margin-top:.1rem;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gl-sugg .g{display:block;font-size:.66rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--teal-d);margin-top:.15rem}
.gl-sugg mark{background:transparent;color:var(--teal-d);font-weight:800;padding:0}
.gl-sugg .foot{padding:.5rem .9rem;background:var(--surface);font-size:.78rem;color:var(--muted);
  border-top:1px solid var(--rule-soft)}
.gl-sugg .foot kbd{font-family:inherit;font-size:.72rem;background:var(--paper);
  border:1px solid var(--rule);border-bottom-width:2px;border-radius:3px;padding:0 .3rem}

/* ---------- Pannello dei filtri: sempre aperto su schermi larghi, a soffietto su mobile ---------- */
.gl-toggle{display:none;align-items:center;gap:.5rem;margin-top:.7rem;width:100%;
  font:inherit;font-size:.88rem;font-weight:700;color:var(--navy);cursor:pointer;
  background:var(--surface);border:1.5px solid var(--rule);border-radius:var(--r);padding:.55rem .8rem}
.gl-toggle svg{width:17px;height:17px;stroke:var(--teal-d);flex:0 0 auto}
.gl-toggle .badge{margin-left:auto;font-size:.7rem;font-weight:700;letter-spacing:.03em;
  background:var(--navy);color:#fff;border-radius:100px;padding:.14rem .5rem;
  max-width:52%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gl-toggle[aria-expanded="true"]{border-color:var(--teal-d);background:var(--paper)}

@media(max-width:860px){
  /* Meno roba incollata in alto: resta fissa solo la barra di ricerca. */
  .site-header{position:static}
  .gl-tools{top:0;padding-block:.55rem}
  .gl-search{padding:.5rem .8rem}
  .gl-toggle{display:flex;margin-top:.5rem;padding:.48rem .75rem}
  .gl-meta{margin-top:.5rem;font-size:.8rem;gap:.4rem}
  #gl-hint{display:none}
  .gl-panel{display:none}
  .gl-panel.open{display:block;padding-top:.2rem;max-height:52vh;overflow-y:auto;
    -webkit-overflow-scrolling:touch}
  .gl-areas{margin-top:.6rem}
  .gl-alpha{margin-top:.6rem}
  .gl-alpha a,.gl-alpha span{min-width:32px;height:32px}
  .gl-letter{scroll-margin-top:120px}
  .gl-hero{padding-block:2rem 1.8rem}
  .gl-stats{gap:1.4rem;margin-top:1.2rem}
  .gl-stats b{font-size:1.5rem}
}

.gl-more{background:none;border:0;padding:0;font:inherit;font-size:.84rem;
  color:var(--teal-d);cursor:pointer;text-decoration:underline;text-underline-offset:2px}
.gl-more:hover{color:var(--navy)}
.gl-meta{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center;margin-top:.7rem;
  font-size:.84rem;color:var(--muted)}
.gl-count{font-variant-numeric:tabular-nums;font-weight:600;color:var(--ink-2)}

/* filtri per area */
.gl-areas{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.7rem}
.gl-areas button{font:inherit;font-size:.78rem;font-weight:600;padding:.28rem .6rem;
  border:1.5px solid var(--rule);background:var(--paper);color:var(--muted);
  border-radius:100px;cursor:pointer;transition:.12s}
.gl-areas button:hover{border-color:var(--teal-d);color:var(--teal-d)}
.gl-areas button[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}

/* indice alfabetico */
.gl-alpha{display:flex;flex-wrap:wrap;gap:.22rem;margin-top:.75rem}
.gl-alpha a,.gl-alpha span{display:grid;place-items:center;min-width:29px;height:29px;
  font-size:.82rem;font-weight:700;border-radius:var(--r);text-decoration:none;
  color:var(--navy);background:var(--surface-2)}
.gl-alpha a:hover{background:var(--teal-d);color:#fff}
.gl-alpha span{color:var(--faint);background:transparent}

/* ---------- Glossario: elenco ---------- */
.gl-letter{scroll-margin-top:190px;padding-top:2rem}
.gl-letter>h2{display:flex;align-items:center;gap:.9rem;font-size:1.6rem;color:var(--navy);
  padding-bottom:.5rem;border-bottom:2px solid var(--teal)}
.gl-letter>h2 .n{font-size:.72rem;font-weight:600;color:var(--faint);letter-spacing:.1em}
.gl-list{display:grid;gap:1px;background:var(--rule-soft);border:1px solid var(--rule-soft);
  border-radius:var(--r);overflow:hidden;margin-top:1.1rem;grid-template-columns:1fr}
@media(min-width:700px){.gl-list{grid-template-columns:1fr 1fr}}
@media(min-width:1050px){.gl-list{grid-template-columns:repeat(3,1fr)}}
.gl-item{background:var(--paper);padding:1rem 1.1rem;display:flex;flex-direction:column;gap:.32rem}
.gl-item h3{font-size:1.02rem;line-height:1.3}
.gl-item h3 a{text-decoration:none;color:var(--navy)}
.gl-item h3 a:hover{color:var(--teal-d);text-decoration:underline}
.gl-item .abbr{font-size:.74rem;color:var(--faint);font-weight:600;letter-spacing:.04em}
.gl-item p{font-size:.88rem;color:var(--muted);line-height:1.55;margin:0}
.gl-item .area{font-size:.68rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  color:var(--teal-d);margin-top:.15rem}
.gl-empty{padding:3rem 1rem;text-align:center;color:var(--muted);background:var(--surface);
  border-radius:var(--r);margin-top:1.5rem}
.gl-empty b{color:var(--ink);display:block;margin-bottom:.4rem;font-size:1.05rem}
mark{background:var(--teal-tint);color:inherit;padding:0 .1em;border-radius:2px}

/* ---------- Glossario: scheda del termine ---------- */
.term-head{background:var(--surface);border-bottom:1px solid var(--rule);padding-block:2rem 1.8rem}
.crumbs{font-size:.82rem;color:var(--muted);margin-bottom:.9rem}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--teal-d);text-decoration:underline}
.crumbs .sep{margin-inline:.4rem;color:var(--faint)}
.term-head h1{margin-bottom:.5rem}
.term-abbr{font-size:1rem;color:var(--muted);font-weight:600;margin-bottom:.8rem}
.term-def{font-size:1.16rem;line-height:1.6;color:var(--ink-2);max-width:62ch;
  border-left:3px solid var(--teal);padding-left:1.1rem;font-weight:500}
.term-areas{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1.1rem}
.term-areas a{font-size:.74rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--teal-d);background:var(--teal-tint);padding:.28rem .6rem;border-radius:100px;text-decoration:none}
.term-areas a:hover{background:var(--teal-d);color:#fff}

.term-body{max-width:var(--readw);padding-block:2.2rem}
.term-body h2{font-size:1.35rem;margin-top:2.2rem;margin-bottom:.7rem;padding-top:.2rem}
.term-body h2:first-child{margin-top:0}
.term-body h3{margin-top:1.6rem;margin-bottom:.5rem;color:var(--ink)}
.term-body ul,.term-body ol{padding-left:1.3rem}
.term-body li{margin-bottom:.4rem}
.term-body li::marker{color:var(--teal)}
.term-body table{width:100%;border-collapse:collapse;font-size:.92rem}
.term-body th,.term-body td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--rule-soft)}
.term-body th{background:var(--surface);font-size:.74rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);font-weight:700}
.term-body td.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap}
.table-scroll{overflow-x:auto;border:1px solid var(--rule-soft);border-radius:var(--r);margin-bottom:1.1rem}

/* riquadri */
.hm-box{border:1px solid var(--rule);border-left:3px solid var(--teal);background:var(--surface);
  padding:1.1rem 1.2rem;border-radius:0 var(--r) var(--r) 0;margin-block:1.4rem}
.hm-box>h4{color:var(--navy);margin-bottom:.5rem;font-size:.98rem}
.hm-box.warn{border-left-color:var(--warn);background:var(--warn-tint)}
.hm-box.warn>h4{color:var(--warn)}
.hm-box p:last-child,.hm-box ul:last-child{margin-bottom:0}

/* esempio numerico */
.hm-example{background:var(--navy-tint);border:1px solid #D3E0EE;border-radius:var(--r);
  padding:1.1rem 1.2rem;margin-block:1.4rem}
.hm-example>h4{color:var(--navy);font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;margin-bottom:.7rem}
.hm-example dl{display:grid;grid-template-columns:1fr auto;gap:.3rem 1rem;margin:0 0 .8rem;font-size:.93rem}
.hm-example dt{color:var(--ink-2)}
.hm-example dd{margin:0;font-variant-numeric:tabular-nums;font-weight:700;color:var(--navy);text-align:right}
.hm-example .res{border-top:1.5px solid #C3D4E6;padding-top:.6rem;margin-top:.3rem;font-size:1rem}
.hm-example .res dd{color:var(--teal-d);font-size:1.1rem}

/* ---------- Formule: MathML nativo, zero JavaScript ---------- */
.hm-formula{margin-block:1.5rem;padding:1.15rem 1.2rem;background:var(--paper);
  border:1px solid var(--rule);border-radius:var(--r);overflow-x:auto}
.hm-formula math{font-size:1.28rem;display:block;margin-inline:auto;width:max-content;max-width:100%}
/* Piu equazioni: una per riga, incolonnate sull'uguale.
   MathML mette le celle di una tabella in stile compatto e rimpicciolisce le frazioni:
   math-style normal riporta tutto alla dimensione della formula a blocco. */
.hm-formula math mtable{margin-inline:auto;math-style:normal}
.hm-formula math mtd{math-style:normal}
.hm-formula math mtext{font-family:var(--f)}
@media(max-width:520px){.hm-formula math{font-size:1.08rem}}
.hm-formula .cap{display:block;margin-top:.85rem;padding-top:.7rem;border-top:1px solid var(--rule-soft);
  font-size:.84rem;color:var(--muted);text-align:center}
.hm-formula .legend{margin-top:.95rem;padding-top:.85rem;border-top:1px solid var(--rule-soft);
  font-size:.85rem;color:var(--muted);display:grid;gap:.3rem;grid-template-columns:auto 1fr;column-gap:.9rem}
.hm-formula .legend b{color:var(--navy);font-weight:700;white-space:nowrap;font-variant-numeric:tabular-nums}
.hm-formula .legend+.cap{border-top:0;margin-top:.7rem;padding-top:0}
@media(max-width:520px){.hm-formula .legend{grid-template-columns:1fr;gap:.15rem}
  .hm-formula .legend b{margin-top:.35rem}}
math{font-family:var(--f)}
math[display="inline"]{font-size:1.04em}
mi,mn,mo{color:var(--ink)}
mo{color:var(--muted)}
mfrac>*{padding-inline:.15em}
/* ripiego per motori senza MathML: la sorgente resta leggibile */
.hm-formula .fallback{display:none;font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:.95rem;color:var(--ink);text-align:center}
@supports not (math-depth: 0){
  .hm-formula math{display:none}
  .hm-formula .fallback{display:block}
}

/* ---------- Termini collegati ---------- */
a.hm-xref{color:var(--teal-d);text-decoration:underline;text-decoration-style:dotted;
  text-decoration-thickness:1px;text-underline-offset:2.5px}
a.hm-xref:hover{text-decoration-style:solid}
.term-related{border-top:1px solid var(--rule);margin-top:2.5rem;padding-top:1.6rem}
.term-related h2{font-size:.74rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.9rem}
.rel-grid{display:grid;gap:1px;background:var(--rule-soft);border:1px solid var(--rule-soft);
  border-radius:var(--r);overflow:hidden;grid-template-columns:1fr}
@media(min-width:640px){.rel-grid{grid-template-columns:1fr 1fr}}
.rel-grid a{background:var(--paper);padding:.85rem 1rem;text-decoration:none;display:block}
.rel-grid a:hover{background:var(--teal-tint)}
.rel-grid b{display:block;color:var(--navy);font-size:.95rem;margin-bottom:.15rem}
.rel-grid span{font-size:.83rem;color:var(--muted);line-height:1.45;display:block}

.term-nav{display:flex;justify-content:space-between;gap:1rem;margin-top:2rem;
  padding-top:1.4rem;border-top:1px solid var(--rule);font-size:.9rem}
.term-nav a{text-decoration:none;color:var(--navy);font-weight:600;max-width:46%}
.term-nav a:hover{color:var(--teal-d)}
.term-nav small{display:block;color:var(--faint);font-weight:600;font-size:.7rem;
  letter-spacing:.1em;text-transform:uppercase;margin-bottom:.15rem}

/* ---------- Pagine generiche ---------- */
.page-head{padding-block:2.4rem 1.4rem;border-bottom:1px solid var(--rule);margin-bottom:2rem}
.entry-content{max-width:var(--readw)}
.entry-content h2{margin-top:2rem;margin-bottom:.6rem}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.site-footer,.gl-tools,.term-nav{display:none}body{font-size:11pt}}

/* ==========================================================================
   BLOG
   Nessuna immagine: la gerarchia e tutta tipografica e il colore
   dell'argomento (--cat) e il solo segnale visivo che distingue una
   sezione dall'altra.
   ========================================================================== */

.hm-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Testata ---------- */
.hm-hero{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-d) 100%);
  color:#fff;padding-block:2.6rem 2.2rem}
.hm-hero h1{color:#fff;font-size:clamp(1.7rem,4.2vw,2.5rem);margin-block:.35rem .55rem}
.hm-hero .hm-lede{color:#C9D8E8;font-size:1.02rem;max-width:66ch;line-height:1.62;margin:0}
.hm-hero-m{margin:.9rem 0 0;font-size:.86rem;color:#9FB6CD}
.hm-hero-m strong{color:#fff}
.hm-hero-m a{color:var(--teal-l)}
.hm-kicker{margin:0;font-size:.7rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal-l)}
.hm-crumbs{font-size:.8rem;color:#9FB6CD;margin-bottom:.9rem}
.hm-crumbs a{color:#C9D8E8;text-decoration:none}
.hm-crumbs a:hover{color:#fff;text-decoration:underline}
.hm-crumbs span[aria-current]{color:#fff}

/* Archivio di argomento: il colore entra come barra e come accento del titolo. */
.hm-hero-tax{background:linear-gradient(180deg,var(--navy-d) 0%,#061F3C 100%);
  border-bottom:4px solid var(--cat,var(--teal))}
.hm-hero-tax .hm-kicker{color:var(--cat,var(--teal-l));filter:brightness(1.55)}

.hm-intro{max-width:var(--readw);margin:1.8rem 0 0;color:var(--ink-2);font-size:1rem;line-height:1.68}
.hm-intro p{margin:0 0 .8rem}

/* ---------- Barra strumenti ---------- */
.hm-tools{position:sticky;top:60px;z-index:20;background:var(--paper);
  padding-block:.9rem;margin-block:0 .4rem;border-bottom:1px solid var(--rule)}
.hm-search-wrap{position:relative}
.hm-search{width:100%;font:inherit;font-size:.98rem;color:var(--ink);
  padding:.66rem 2.3rem .66rem .95rem;border:1.5px solid var(--rule);
  border-radius:9px;background:var(--surface);appearance:none}
.hm-search::-webkit-search-cancel-button{display:none}
.hm-search:focus{outline:none;border-color:var(--teal-d);background:var(--paper);
  box-shadow:0 0 0 3px var(--teal-tint)}
.hm-search::placeholder{color:var(--faint)}
.hm-clear{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);
  border:0;background:none;font-size:1.3rem;line-height:1;color:var(--muted);
  cursor:pointer;padding:.15rem .4rem;border-radius:5px}
.hm-clear:hover{color:var(--ink);background:var(--surface-2)}

.hm-drop{position:absolute;left:0;right:0;top:calc(100% + .35rem);z-index:30;
  background:var(--paper);border:1px solid var(--rule);border-radius:10px;
  box-shadow:0 10px 28px rgba(12,60,114,.14);overflow:hidden;max-height:60vh;overflow-y:auto}
.hm-drop-i{display:flex;flex-direction:column;gap:.15rem;padding:.6rem .9rem;
  text-decoration:none;border-bottom:1px solid var(--rule-soft)}
.hm-drop-i:last-child{border-bottom:0}
.hm-drop-i.on,.hm-drop-i:hover{background:var(--teal-tint)}
.hm-drop-t{font-weight:600;color:var(--navy);font-size:.93rem;line-height:1.35}
.hm-drop-t mark{background:#FFF1BF;color:inherit;padding:0 .05em;border-radius:2px}
.hm-drop-m{font-size:.76rem;color:var(--muted)}
.hm-drop-c{font-weight:600;color:var(--cat,var(--teal-d))}
.hm-drop-none,.hm-drop-more{margin:0;padding:.7rem .9rem;font-size:.85rem;color:var(--muted)}
.hm-drop-more{border-top:1px solid var(--rule-soft);background:var(--surface)}

.hm-toggle{display:none;align-items:center;gap:.5rem;margin-top:.55rem;
  font:inherit;font-size:.88rem;font-weight:600;color:var(--navy);
  background:var(--surface);border:1.5px solid var(--rule);border-radius:8px;
  padding:.46rem .75rem;cursor:pointer}
.hm-badge{font-weight:600;color:var(--muted);font-size:.8rem}

.hm-panel{padding-top:.75rem}
.hm-chips{display:flex;flex-wrap:wrap;gap:.4rem}
.hm-chip{display:inline-flex;align-items:center;gap:.4rem;
  font-size:.8rem;font-weight:600;line-height:1;text-decoration:none;
  color:var(--ink-2);background:var(--surface);border:1.5px solid var(--rule);
  border-radius:999px;padding:.4rem .7rem;white-space:nowrap}
.hm-chip:hover{border-color:var(--cat,var(--teal-d));color:var(--cat,var(--teal-d))}
.hm-chip.on{background:var(--cat,var(--navy));border-color:var(--cat,var(--navy));color:#fff}
.hm-chip .hm-n{font-variant-numeric:tabular-nums;font-weight:700;opacity:.62;font-size:.72rem}

.hm-res{margin:.9rem 0 0;font-size:.85rem;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- Griglia di schede ---------- */
.hm-grid{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule);
  border-radius:12px;overflow:hidden;margin-block:1.4rem 2rem}
@media(min-width:720px){.hm-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1040px){.hm-grid{grid-template-columns:1fr 1fr 1fr}}

.hm-card{background:var(--paper);padding:1.15rem 1.2rem 1.25rem;
  display:flex;flex-direction:column;gap:.5rem;position:relative}
.hm-card::before{content:"";position:absolute;inset:0 auto 0 0;width:3px;
  background:var(--cat,var(--teal));opacity:0;transition:opacity .12s}
.hm-card:hover::before{opacity:1}
.hm-card:hover{background:var(--surface)}
.hm-card .hm-chip{align-self:flex-start;background:transparent;border:0;padding:0;
  color:var(--cat,var(--teal-d));font-size:.72rem;letter-spacing:.09em;text-transform:uppercase}
.hm-card .hm-chip:hover{color:var(--cat,var(--navy));text-decoration:underline}
.hm-card-t{font-size:1.04rem;line-height:1.32;margin:0}
.hm-card-t a{color:var(--navy);text-decoration:none}
.hm-card-t a:hover{color:var(--cat,var(--teal-d))}
.hm-card-t mark,.hm-card-d mark{background:#FFF1BF;color:inherit;border-radius:2px}
.hm-card-d{margin:0;font-size:.88rem;line-height:1.55;color:var(--muted);flex:1}
.hm-card-m{margin:0;font-size:.76rem;color:var(--faint);display:flex;gap:.4rem;flex-wrap:wrap}
.hm-card-g{margin:.15rem 0 0;display:flex;flex-wrap:wrap;gap:.3rem}
.hm-card-g a{font-size:.72rem;color:var(--muted);text-decoration:none;
  background:var(--surface-2);border-radius:4px;padding:.16rem .42rem}
.hm-card-g a:hover{background:var(--teal-tint);color:var(--teal-d)}
.hm-empty{grid-column:1/-1;margin:0;padding:2rem 1.2rem;background:var(--paper);
  color:var(--muted);text-align:center}

/* ---------- Paginazione ---------- */
.pagination,.navigation.pagination{margin-block:0 3rem}
.nav-links{display:flex;flex-wrap:wrap;gap:.35rem;justify-content:center}
.page-numbers{display:inline-flex;align-items:center;justify-content:center;
  min-width:2.2rem;height:2.2rem;padding:0 .6rem;font-size:.88rem;font-weight:600;
  text-decoration:none;color:var(--navy);background:var(--surface);
  border:1px solid var(--rule);border-radius:7px}
.page-numbers:hover{border-color:var(--teal-d);color:var(--teal-d)}
.page-numbers.current{background:var(--navy);border-color:var(--navy);color:#fff}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- Articolo ---------- */
.hm-art-head{background:var(--surface);border-bottom:1px solid var(--rule);
  border-top:4px solid var(--cat,var(--teal));padding-block:2rem 1.7rem}
.hm-art-head .hm-crumbs{color:var(--muted)}
.hm-art-head .hm-crumbs a{color:var(--muted)}
.hm-art-head .hm-crumbs a:hover{color:var(--cat,var(--teal-d))}
.hm-art-head h1{font-size:clamp(1.6rem,4.4vw,2.4rem);line-height:1.16;margin:.55rem 0 0}
.hm-art-head .hm-chip.on{background:var(--cat,var(--navy));border-color:var(--cat,var(--navy))}
.hm-dek{margin:.75rem 0 0;font-size:1.06rem;line-height:1.6;color:var(--ink-2);max-width:62ch}
.hm-art-m{margin:1rem 0 0;font-size:.8rem;color:var(--muted);
  display:flex;flex-wrap:wrap;gap:.4rem;font-variant-numeric:tabular-nums}

.hm-body{padding-block:2rem 1rem}
.hm-content{max-width:var(--readw)}
.hm-content h2{font-size:1.42rem;margin:2.4rem 0 .7rem;padding-top:.2rem;
  scroll-margin-top:88px;position:relative}
.hm-content h3{font-size:1.12rem;margin:1.8rem 0 .5rem;color:var(--ink);scroll-margin-top:88px}
.hm-content p{margin:0 0 1.05rem;line-height:1.72}
.hm-content ul,.hm-content ol{margin:0 0 1.2rem;padding-left:1.35rem;line-height:1.68}
.hm-content li{margin-bottom:.45rem}
.hm-content li::marker{color:var(--cat,var(--teal-d));font-weight:700}
.hm-content strong{color:var(--ink)}
.hm-content>h2:first-child{margin-top:0}

.hm-anchor{opacity:0;margin-left:.35rem;font-weight:400;color:var(--faint);
  text-decoration:none;font-size:.85em}
h2:hover>.hm-anchor,h3:hover>.hm-anchor,.hm-anchor:focus{opacity:1}

/* Indice: e una mappa, non un menu. Sta in alto e non insegue lo scorrimento. */
.hm-toc{max-width:var(--readw);margin:0 0 2rem;padding:1rem 1.15rem 1.05rem;
  background:var(--surface);border:1px solid var(--rule);
  border-left:3px solid var(--cat,var(--teal));border-radius:0 10px 10px 0}
.hm-toc-h{margin:0 0 .55rem;font-size:.7rem;font-weight:700;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted)}
.hm-toc ol{margin:0;padding:0;list-style:none;counter-reset:toc}
.hm-toc li{margin:0 0 .3rem;font-size:.89rem;line-height:1.45}
.hm-toc li.lv2{counter-increment:toc}
.hm-toc li.lv2::before{content:counter(toc) ".";color:var(--faint);
  font-variant-numeric:tabular-nums;margin-right:.4rem;font-weight:600}
.hm-toc li.lv3{padding-left:1.55rem;font-size:.84rem}
.hm-toc li.lv3::before{content:"–";color:var(--faint);margin-right:.4rem}
.hm-toc a{color:var(--ink-2);text-decoration:none}
.hm-toc a:hover{color:var(--cat,var(--teal-d));text-decoration:underline}

.hm-art-foot{max-width:var(--readw);margin-top:2.4rem;padding-top:1.3rem;border-top:1px solid var(--rule)}
.hm-foot-h{margin:0 0 .5rem;font-size:.7rem;font-weight:700;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted)}
.hm-tags{margin:0;display:flex;flex-wrap:wrap;gap:.35rem}
.hm-tags a{font-size:.8rem;color:var(--ink-2);text-decoration:none;
  background:var(--surface);border:1px solid var(--rule);border-radius:999px;padding:.28rem .62rem}
.hm-tags a:hover{border-color:var(--cat,var(--teal-d));color:var(--cat,var(--teal-d))}

.hm-nav{max-width:var(--readw);display:flex;justify-content:space-between;gap:1.2rem;
  margin-top:2rem;padding-top:1.4rem;border-top:1px solid var(--rule)}
.hm-nav a{max-width:48%;text-decoration:none;color:var(--navy)}
.hm-nav a:hover strong{color:var(--cat,var(--teal-d))}
.hm-nav-n{text-align:right;margin-left:auto}
.hm-nav span{display:block;font-size:.7rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--faint);margin-bottom:.2rem}
.hm-nav strong{font-size:.93rem;line-height:1.35;font-weight:600}

.hm-rel{background:var(--surface);border-top:1px solid var(--rule);
  margin-top:3rem;padding-block:2.2rem 1rem}
.hm-rel h2{font-size:1.2rem;margin:0 0 .2rem}
.hm-rel .hm-grid{margin-top:1.1rem}

/* ---------- Schermi stretti ---------- */
@media(max-width:860px){
  .hm-tools{position:static;padding-block:.75rem}
  .hm-toggle{display:flex}
  .hm-panel{display:none}
  .hm-panel.open{display:block;max-height:44vh;overflow-y:auto}
  .hm-nav{flex-direction:column;gap:.9rem}
  .hm-nav a{max-width:100%}
  .hm-nav-n{text-align:left;margin-left:0}
  .hm-art-m{font-size:.76rem}
}

@media print{.hm-tools,.hm-rel,.hm-nav,.hm-anchor{display:none}}

/* Blocchi del glossario dentro un articolo: prendono il colore dell'argomento. */
.hm-single .hm-box{border-left-color:var(--cat,var(--teal))}
.hm-single .hm-example{background:var(--surface);border-color:var(--rule)}
.hm-single .hm-example .res dd{color:var(--cat,var(--teal-d))}
.hm-single .hm-formula{border-top:2px solid var(--cat,var(--teal))}
.hm-single .table-scroll{margin-block:1.4rem}
.hm-content table{border-collapse:collapse;width:100%;font-size:.9rem}
.hm-content th{background:var(--surface-2);color:var(--navy);text-align:left;
  font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;padding:.6rem .75rem}
.hm-content td{padding:.55rem .75rem;border-top:1px solid var(--rule-soft)}
.hm-content td.num,.hm-content th.num{text-align:right;font-variant-numeric:tabular-nums}