/* Layout: blocchi in rilievo su piani 3D sopra uno sfondo vivo (luci di prodotto + pavimento di punti). Apertura = tre blocchi collegati da flussi; ANIMA = pila esplosa da cui esce il piano scelto; ATLAS = nucleo con le app in orbita. Tema unico chiaro, scelto. */
:root{
  color-scheme: light;
  --paper:#ffffff;
  --wash:#f2f4ff;
  --ink:#0b1033;
  --ink-2:#454d7a;
  --ink-3:#3a4170;
  --line:#dde1f2;
  --edge-paper:#cfd5ef;
  --blue:#1d3cff;
  --sistema:#0a0a0b;        /* il simbolo «Sistema»: moduli neri e nucleo ciano, come nel logo ufficiale */
  --sistema-nucleo:#38d6e8;
  --appoggio-gamba:#1597a6;  /* il simbolo «Appoggio» sul chiaro: A nera, gamba destra ciano scuro */
  --blue-deep:#0c1a8f;
  --volt:#e5ff1f;
  --volt-deep:#a9bd00;
  --fuchsia:#ff1f8f;
  --fuchsia-ink:#d1006c;
  --fuchsia-deep:#b0005f;
  --on-blue-2:#dbe0ff;

  --f-sans:"Archivo", "Helvetica Neue", Arial, sans-serif;
  --wide:"wdth" 125;
  --step-0:clamp(1rem, .96rem + .2vw, 1.125rem);
  --step-1:clamp(1.2rem, 1.1rem + .5vw, 1.45rem);
  --step-2:clamp(1.6rem, 1.3rem + 1.4vw, 2.4rem);
  --step-3:clamp(2.2rem, 1.5rem + 3.2vw, 4.4rem);
  --step-4:clamp(2.6rem, 1.4rem + 5.4vw, 6rem);
  --gutter:clamp(16px, 4vw, 56px);
  --max:1320px;
  --r:14px;
  --ease:cubic-bezier(.16,1,.3,1);
  --lift:0 1px 1px rgba(11,16,51,.06), 0 10px 20px -8px rgba(11,16,51,.18), 0 40px 70px -30px rgba(12,26,143,.38);
}
@property --spin{syntax:"<angle>";inherits:true;initial-value:0deg}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 var(--step-0)/1.55 var(--f-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
::selection{background:var(--volt);color:var(--ink)}
a{color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
h1,h2,h3{margin:0;font-variation-settings:var(--wide);font-weight:800;letter-spacing:-.035em;line-height:.98;text-wrap:balance}
p{margin:0}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.num{font-variant-numeric:tabular-nums}
.note{font-size:.8125rem;color:var(--ink-2)}
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
main{position:relative}

.btn{display:inline-flex;align-items:center;gap:.6em;min-height:52px;padding:0 1.35em;border-radius:999px;border:1.5px solid var(--ink);background:var(--paper);color:var(--ink);font:600 1rem/1 var(--f-sans);text-decoration:none;cursor:pointer;transition:transform .5s var(--ease), box-shadow .5s var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(11,16,51,.45)}
.btn:active{transform:translateY(0) scale(.98)}
.btn--volt{background:var(--volt);border-color:var(--volt);box-shadow:0 4px 0 -1px var(--volt-deep)}
.btn--volt:hover{box-shadow:0 6px 0 -1px var(--volt-deep), 0 16px 26px -14px rgba(11,16,51,.5)}
.btn--ink{background:var(--ink);color:var(--paper)}
.btn svg{width:18px;height:18px;flex:none}
.more{display:inline-flex;align-items:center;gap:12px;align-self:start;justify-self:start;min-height:54px;padding:0 10px 0 22px;border-radius:999px;background:var(--c);color:var(--t,var(--ink));font-weight:700;text-decoration:none;box-shadow:0 5px 0 -1px var(--cd), 0 18px 28px -16px rgba(11,16,51,.45);transition:transform .5s var(--ease), box-shadow .5s var(--ease)}
.more span.ar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:var(--c);transition:transform .5s var(--ease)}
.more span.ar svg{width:18px;height:18px}
.more:hover{transform:translateY(-3px);box-shadow:0 8px 0 -1px var(--cd), 0 24px 34px -16px rgba(11,16,51,.5)}
.more:hover span.ar{transform:rotate(-45deg)}
.more:active{transform:translateY(1px)}

/* ---------- blocchi in rilievo ---------- */
.slab{position:relative;transform-style:preserve-3d;border-radius:var(--r);box-shadow:var(--lift)}
.slab::before,.slab::after{content:"";position:absolute;pointer-events:none;background:var(--edge,var(--edge-paper))}
.slab::before{left:var(--r);right:var(--r);top:100%;height:var(--t,16px);transform-origin:top;transform:rotateX(-90deg)}
.slab::after{top:var(--r);bottom:var(--r);left:100%;width:var(--t,16px);transform-origin:left;transform:rotateY(90deg);filter:brightness(.9)}
.tilt{transition:transform .9s var(--ease)}

/* NAV */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-variation-settings:var(--wide);letter-spacing:.06em;font-size:1.05rem}
.brand-logo{position:relative;display:block;height:34px;aspect-ratio:332.78/73;flex:none}   /* il logotipo AXXELL (js/logo-header.js) */
.brand-piatto{display:block;width:100%;height:100%}
.brand-logo.vivo .brand-piatto{display:none}
@media (max-width:720px){ .brand-logo{height:28px} }
.nav ul{display:flex;gap:6px;list-style:none;margin:0 auto;padding:0}
.nav ul a{display:block;padding:8px 14px;border-radius:999px;text-decoration:none;font-weight:600;font-size:.95rem;letter-spacing:.02em}
.nav ul a:hover{background:var(--wash)}
.nav ul a::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px;vertical-align:1px;background:var(--c)}
.nav .btn{min-height:42px;font-size:.92rem}
/* il menu: sul computer link e tasto stanno nella barra (.nav-voci non fa da scatola); sul telefono il tasto menu apre una
   tendina sotto la barra con le pagine e «Richiedi una consulenza» sempre in fondo (js/menu.js). Vale per tutte le pagine */
.nav-voci{display:contents}
.nav-tasto{display:none}
@media (max-width:720px){
  .nav .wrap{justify-content:space-between}
  .nav-tasto{display:grid;place-items:center;width:44px;height:44px;padding:0;border:0;border-radius:999px;background:var(--wash);color:var(--ink);cursor:pointer}
  .nav-tasto svg{width:22px;height:22px;stroke:currentColor;stroke-width:2;stroke-linecap:round}
  .nav-tasto line{transform-origin:12px 11px;transition:transform .3s var(--ease), opacity .2s var(--ease)}
  .nav.aperto .nav-tasto .l1{transform:translateY(5px) rotate(45deg)}
  .nav.aperto .nav-tasto .l2{opacity:0}
  .nav.aperto .nav-tasto .l3{transform:translateY(-5px) rotate(-45deg)}
  .nav-voci{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:18px;padding:6px var(--gutter) 22px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 28px 40px -28px rgba(11,16,51,.35);max-height:calc(100dvh - 68px);overflow-y:auto;transition:opacity .25s var(--ease), translate .3s var(--ease)}
  .nav.aperto .nav-voci{display:flex}
  @starting-style{ .nav.aperto .nav-voci{opacity:0;translate:0 -8px} }
  .nav-voci ul{display:flex;flex-direction:column;gap:0;margin:0}
  .nav-voci ul a{padding:15px 2px;font-size:1.1rem;border-radius:0;border-bottom:1px solid var(--line)}
  .nav-voci ul a:hover{background:none}
  .nav-voci ul a::before{width:10px;height:10px;margin-right:12px}
  .nav-voci .btn{width:100%;justify-content:center;min-height:52px;font-size:1rem}
}
/* con quattro link (SABE, ANIMA, ATLAS, Servizi) fra 721 e 900px la barra si stringe per restare su una riga */
@media (min-width:721px) and (max-width:900px){ .nav .wrap{gap:12px} .nav ul{gap:0} .nav ul a{padding:8px 9px;font-size:.88rem;white-space:nowrap} .nav ul a::before{margin-right:6px} .nav .btn{white-space:nowrap;padding-inline:16px;font-size:.86rem} }
/* con cinque link: fra 721 e 1000px il tasto dice solo «Consulenza»; fra 721 e 800px i link si stringono ancora */
.nav-corto{display:none}
@media (min-width:721px) and (max-width:1000px){ .nav-lungo{display:none} .nav-corto{display:inline} }
@media (min-width:721px) and (max-width:800px){ .nav .wrap{gap:8px} .nav ul a{padding:8px 7px;font-size:.84rem} .nav ul a::before{margin-right:5px} }

.vh{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* condivisi fra homepage e pagina SABE: i marchi dei prodotti (alti quanto la scheda, metà fuori dal lato destro)
   e la salita delle righe nelle schede */
.marchio{position:absolute;z-index:-1;top:0;right:0;height:100%;aspect-ratio:1;transform:translateX(50%);pointer-events:none;opacity:.2}
.marchio svg{display:block;width:100%;height:100%}
.marchio--sabe{color:var(--ink)}
.marchio--anima{color:var(--fuchsia)}
.marchio--atlas{color:#fff}
@keyframes rise{from{opacity:0;transform:translateY(8px)}}

/* movimento ridotto: niente animazioni, transizioni né scorrimento morbido, in tutte le pagine */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}
/* le parole chiave dei testi descrittivi: in grassetto e col colore pieno, si leggono a colpo d'occhio */
.intro b,.sp-intro b,.sp-domande p b,.sp-passi li > span b,.sp-altre-elenco span b,.an-tappa-testo p b,.an-app > p b{font-weight:700;color:var(--ink);font-size:inherit;line-height:inherit;letter-spacing:inherit;font-variation-settings:normal}