/* ============================================================
   EmmeQuadro Srl — Formazione e Sicurezza
   Stylesheet unico · Dark cinematografico
   ============================================================ */

:root{
  color-scheme:dark;
  --bg:#070c12;
  --bg-2:#0c141c;
  --bg-3:#122029;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --txt:#eef2f7;
  --txt-2:#9fb0c3;
  --txt-3:#8496a8;      /* era #6b7d92: 3,93:1 sui fondi delle schede, sotto la soglia */
  --acc:#58b4c6;
  --acc-2:#4fa7b8;      /* era #3d8f9f: 4,45:1 sulle schede, sotto la soglia */
  --acc-soft:rgba(88,180,198,.14);
  --steel:#c3ced8;
  --ok:#3ecf8e;
  --warn:#f5a524;
  --radius:18px;
  --radius-sm:12px;
  --maxw:1200px;
  --ff-h:"Sora","Segoe UI",system-ui,-apple-system,sans-serif;
  --ff-b:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,.9,.28,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:5.5rem}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--ff-b);font-size:16.5px;line-height:1.68;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
::selection{background:var(--acc);color:#04191f}

/* ---------- ambient background ---------- */
.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-fx::before,.bg-fx::after{content:"";position:absolute;border-radius:50%;filter:blur(120px);opacity:.5}
.bg-fx::before{width:60vw;height:60vw;top:-22vw;right:-18vw;background:radial-gradient(circle,rgba(88,180,198,.20),transparent 62%)}
.bg-fx::after{width:55vw;height:55vw;bottom:-24vw;left:-16vw;background:radial-gradient(circle,rgba(58,114,168,.16),transparent 62%)}
.grid-fx{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 10%,transparent 72%);
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 10%,transparent 72%);
  opacity:.5}
.noise{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
main,header,footer{position:relative;z-index:2}

/* ---------- layout ---------- */
.wrap{width:min(100% - 2.5rem,var(--maxw));margin-inline:auto}
section{padding:clamp(3.5rem,6.5vw,6rem) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;font-family:var(--ff-h);
  font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--acc);
  font-weight:600;margin:0 0 1.1rem}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--acc);opacity:.8}
h1,h2,h3,h4{font-family:var(--ff-h);font-weight:700;line-height:1.1;letter-spacing:-.025em;margin:0 0 1rem}
h1{font-size:clamp(2.5rem,6.4vw,4.6rem)}
h2{font-size:clamp(1.9rem,4.2vw,3rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
p{margin:0 0 1.1rem;color:var(--txt-2)}
.lead{font-size:clamp(1.05rem,1.7vw,1.22rem);color:#c3d0de;max-width:60ch}
.muted{color:var(--txt-3);font-size:.9rem}
.acc{color:var(--acc)}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:60;backdrop-filter:blur(16px);
  background:rgba(6,8,11,.72);border-bottom:1px solid transparent;transition:.35s var(--ease)}
.site-head.scrolled{background:rgba(6,8,11,.92);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:.9rem 0}
.brand{display:flex;align-items:center;gap:.7rem;font-family:var(--ff-h);font-weight:700;letter-spacing:-.02em}
.brand .mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;display:block;text-align:center;line-height:38px;
  background:linear-gradient(145deg,var(--acc),var(--acc-2));color:#04191f;
  font-family:var(--ff-h);font-weight:800;font-size:1rem;box-shadow:0 6px 22px rgba(88,180,198,.28)}
.brand .mark sup{font-size:.6em;margin-left:1px;vertical-align:super;line-height:0}
.brand b{font-size:1.02rem;display:block;line-height:1.1}
.brand span{display:block;font-family:var(--ff-b);font-weight:400;font-size:.66rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--txt-3)}
.menu{display:flex;align-items:center;gap:.35rem;list-style:none;margin:0;padding:0}
.menu a{padding:.5rem .85rem;border-radius:9px;font-size:.9rem;color:var(--txt-2);transition:.25s var(--ease)}
.menu a:hover{color:var(--txt);background:rgba(255,255,255,.05)}
.menu a.active{color:var(--acc)}
.nav-cta{padding:.62rem 1.15rem;border-radius:999px;font-size:.88rem;font-weight:600;
  background:linear-gradient(135deg,var(--acc),var(--acc-2));color:#04191f;white-space:nowrap;
  transition:.3s var(--ease);box-shadow:0 8px 26px rgba(88,180,198,.22)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(88,180,198,.34)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:11px;
  background:transparent;color:var(--txt);cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:2px;background:currentColor;position:relative;transition:.3s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;transition:.3s}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger.open span{background:transparent}
.burger.open span::before{top:0;transform:rotate(45deg)}
.burger.open span::after{top:0;transform:rotate(-45deg)}
.progress{position:absolute;left:0;bottom:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--acc),var(--steel))}

/* ---------- hero ---------- */
.hero{position:relative;min-height:clamp(600px,92vh,940px);display:flex;align-items:center;
  padding-top:3rem;overflow:hidden}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.55}
.hero .wrap{position:relative;z-index:2}
.hero h1 .l{display:block;overflow:hidden;
  /* la maschera con interlinea 1,1 mangiava 5-6 px alla discendente,
     proprio sulla parola su cui si gioca l'identita': lo spazio viene
     restituito dentro la maschera senza spostare il resto */
  padding-block:.04em .18em;margin-block:-.04em -.18em}
.hero h1 .l i{display:block;font-style:normal;transform:translateY(105%);
  animation:rise .95s var(--ease) forwards}
.hero h1 .l:nth-child(2) i{animation-delay:.12s}
.hero h1 .l:nth-child(3) i{animation-delay:.24s}
@keyframes rise{to{transform:translateY(0)}}
.hero .sq{background:linear-gradient(120deg,var(--acc) 20%,#fff 60%,var(--steel));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{max-width:56ch;font-size:clamp(1rem,1.6vw,1.18rem);color:#b9c6d6;
  opacity:0;animation:fade .8s .5s var(--ease) forwards}
@keyframes fade{to{opacity:1}}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2.2rem;opacity:0;
  animation:fade .8s .68s var(--ease) forwards}
.hero-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.6rem;opacity:0;
  animation:fade .8s .3s var(--ease) forwards}
.badge{display:inline-flex;align-items:center;gap:.45rem;padding:.4rem .85rem;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.03);
  font-size:.76rem;letter-spacing:.04em;color:var(--txt-2)}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--acc)}
.scroll-hint{position:absolute;left:50%;bottom:2rem;transform:translateX(-50%);z-index:2;
  font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--txt-3);
  display:flex;flex-direction:column;align-items:center;gap:.6rem}
.scroll-hint::after{content:"";width:1px;height:42px;background:linear-gradient(var(--acc),transparent);
  animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:.25}50%{opacity:1}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.92rem 1.7rem;border-radius:999px;
  font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;
  transition:.32s var(--ease);position:relative;overflow:hidden}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc-2));color:#04191f;
  box-shadow:0 10px 34px rgba(88,180,198,.26)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(88,180,198,.38)}
.btn-ghost{border-color:var(--line-strong);color:var(--txt);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--acc);color:var(--acc);transform:translateY(-3px)}
.btn svg{width:17px;height:17px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(3px)}

/* ---------- ingressi allo scorrimento ----------
   I blocchi sono VISIBILI per impostazione predefinita: solo quando
   pronto.js ha confermato che JavaScript funziona vengono nascosti in
   attesa di entrare. Se main.js non arriva, la pagina resta leggibile. */
.rv{opacity:1;transform:none;transition:opacity .8s var(--ease),transform .8s var(--ease)}
html.js .rv{opacity:0;transform:translateY(26px)}
html.js .rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}
.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}.rv.d5{transition-delay:.4s}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:1.15rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;padding:1.9rem;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  transition:.4s var(--ease);overflow:hidden}
.card::after{content:"";position:absolute;inset:0;opacity:0;transition:.4s var(--ease);
  background:radial-gradient(500px circle at var(--mx,50%) var(--my,0%),rgba(88,180,198,.10),transparent 42%)}
.card:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.card:hover::after{opacity:1}
.card h3{margin-bottom:.6rem}
.card p{margin-bottom:0;font-size:.95rem}
.card .num{font-family:var(--ff-h);font-size:.8rem;font-weight:700;letter-spacing:.1em;
  color:var(--acc);display:block;margin-bottom:.9rem}
.card .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:1.1rem;
  background:var(--acc-soft);border:1px solid rgba(88,180,198,.26);color:var(--acc)}
.card .ico svg{width:22px;height:22px}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{background:var(--bg-2);padding:2rem 1.5rem;text-align:center}
.stat b{display:block;font-family:var(--ff-h);font-size:clamp(1.9rem,4vw,2.8rem);
  font-weight:800;color:var(--acc);line-height:1;letter-spacing:-.03em}
.stat span{display:block;margin-top:.6rem;font-size:.82rem;color:var(--txt-3);letter-spacing:.03em}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}

/* ---------- founders ---------- */
.person{padding:2.2rem;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.01));transition:.4s var(--ease)}
.person:hover{transform:translateY(-6px);border-color:rgba(88,180,198,.4)}
.person .av{width:74px;height:74px;border-radius:20px;display:grid;place-items:center;
  font-family:var(--ff-h);font-weight:800;font-size:1.5rem;letter-spacing:-.03em;
  background:linear-gradient(145deg,var(--acc),var(--acc-2));color:#04191f;margin-bottom:1.3rem;
  box-shadow:0 10px 30px rgba(88,180,198,.24)}
.person .role{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--acc);margin-bottom:.9rem}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1.3rem;padding:0;list-style:none}
.tags li{font-size:.76rem;padding:.34rem .75rem;border-radius:999px;border:1px solid var(--line-strong);
  color:var(--txt-2);background:rgba(255,255,255,.03)}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:1.15rem}
.compare .col{padding:1.9rem;border-radius:var(--radius);border:1px solid var(--line)}
.compare .old{background:rgba(255,255,255,.02)}
.compare .new{background:linear-gradient(165deg,rgba(88,180,198,.10),rgba(88,180,198,.02));
  border-color:rgba(88,180,198,.32)}
.compare h4{font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--txt-3);margin-bottom:1.2rem}
.compare .new h4{color:var(--acc)}
.compare ul{list-style:none;margin:0;padding:0;display:grid;gap:.85rem}
.compare li{display:flex;gap:.7rem;font-size:.94rem;color:var(--txt-2);line-height:1.5}
.compare li::before{content:"✕";color:#7d8899;flex:0 0 auto;font-size:.85rem;margin-top:.15rem}
.compare .new li::before{content:"✓";color:var(--acc)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.15rem;counter-reset:s}
.step{position:relative;padding:1.9rem 1.6rem;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.025);transition:.4s var(--ease)}
.step:hover{border-color:rgba(88,180,198,.4);transform:translateY(-6px)}
.step .n{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:1.1rem;
  font-family:var(--ff-h);font-weight:800;background:var(--acc-soft);color:var(--acc);
  border:1px solid rgba(88,180,198,.3)}

/* ---------- timeline ---------- */
.tl{position:relative;padding-left:2.6rem}
.tl::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(var(--acc),rgba(88,180,198,.08))}
.tl-item{position:relative;padding-bottom:2.6rem}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-2.6rem;top:.55rem;width:20px;height:20px;border-radius:50%;
  background:var(--bg);border:2px solid var(--acc);box-shadow:0 0 0 5px rgba(88,180,198,.12)}
.tl-date{font-family:var(--ff-h);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--acc);margin-bottom:.5rem}
.tl-item h3{margin-bottom:.5rem}

/* ---------- filters / catalogo ---------- */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.4rem}
.chip{padding:.55rem 1.1rem;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);color:var(--txt-2);font-size:.86rem;cursor:pointer;transition:.28s var(--ease)}
.chip:hover{color:var(--txt);border-color:var(--acc)}
.chip.on{background:linear-gradient(135deg,var(--acc),var(--acc-2));color:#04191f;border-color:transparent;font-weight:600}
.search{position:relative;margin-bottom:1.8rem}
.search input{width:100%;padding:1rem 1.2rem 1rem 3rem;border-radius:14px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);color:var(--txt);font-size:.98rem;outline:none;transition:.28s var(--ease)}
.search input:focus{border-color:var(--acc);background:rgba(255,255,255,.055)}
.search svg{position:absolute;left:1.05rem;top:50%;transform:translateY(-50%);width:19px;height:19px;color:var(--txt-3)}
.course{padding:1.5rem 1.7rem;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.028);transition:.34s var(--ease)}
.course:hover{border-color:rgba(88,180,198,.42);transform:translateX(4px)}
.course .cat{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--acc);display:block;margin-bottom:.5rem}
.course h4{font-family:var(--ff-h);font-size:1.02rem;margin:0 0 .4rem;font-weight:600}
.course .ref{font-size:.83rem;color:var(--txt-3);margin:0}
.empty{padding:3rem;text-align:center;color:var(--txt-3);border:1px dashed var(--line-strong);border-radius:var(--radius)}
.count{font-size:.85rem;color:var(--txt-3);margin-bottom:1rem}

/* ---------- calcolatore ---------- */
.calc{border:1px solid rgba(88,180,198,.3);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(165deg,rgba(88,180,198,.07),rgba(255,255,255,.012))}
.calc-head{padding:1.7rem 1.9rem;border-bottom:1px solid var(--line)}
.calc-body{display:grid;grid-template-columns:1fr 1fr;gap:0}
.calc-in{padding:1.9rem;border-right:1px solid var(--line)}
.calc-out{padding:1.9rem;background:rgba(0,0,0,.28)}
.field{margin-bottom:1.4rem}
.field label{display:block;font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--txt-3);margin-bottom:.6rem}
select,input[type=text],input[type=email],input[type=tel],textarea{
  width:100%;padding:.85rem 1rem;border-radius:11px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);color:var(--txt);font-family:var(--ff-b);font-size:.95rem;outline:none;transition:.25s var(--ease)}
select:focus,input:focus,textarea:focus{border-color:var(--acc);background:rgba(255,255,255,.07)}
select option{background:#0f141c;color:var(--txt)}
.switch{display:flex;align-items:center;gap:.7rem;cursor:pointer;font-size:.92rem;color:var(--txt-2)}
.switch input{appearance:none;width:44px;height:25px;border-radius:999px;background:rgba(255,255,255,.12);
  position:relative;cursor:pointer;transition:.3s;flex:0 0 44px;margin:0;border:1px solid var(--line-strong)}
.switch input::after{content:"";position:absolute;top:2px;left:2px;width:19px;height:19px;border-radius:50%;
  background:#fff;transition:.3s var(--ease)}
.switch input:checked{background:linear-gradient(135deg,var(--acc),var(--acc-2));border-color:transparent}
.switch input:checked::after{left:21px;background:#0d1016}
.res-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;
  padding:.85rem 0;border-bottom:1px dashed var(--line)}
.res-row:last-of-type{border-bottom:none}
.res-row span{font-size:.92rem;color:var(--txt-2)}
.res-row b{font-family:var(--ff-h);color:var(--acc);white-space:nowrap;font-size:1rem}
.res-total{margin-top:1.2rem;padding:1.1rem 1.3rem;border-radius:13px;
  background:linear-gradient(135deg,rgba(88,180,198,.18),rgba(88,180,198,.05));
  border:1px solid rgba(88,180,198,.34);display:flex;justify-content:space-between;align-items:center}
.res-total span{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--txt-2)}
.res-total b{font-family:var(--ff-h);font-size:1.9rem;color:var(--acc);line-height:1}
.disclaimer{margin-top:1.2rem;font-size:.78rem;color:var(--txt-3);line-height:1.55}

/* ---------- form ---------- */
.form-card{padding:clamp(1.8rem,4vw,2.6rem);border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.012))}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.steps-bar{display:flex;gap:.5rem;margin-bottom:2rem}
.steps-bar div{flex:1;height:3px;border-radius:2px;background:rgba(255,255,255,.1);transition:.4s var(--ease)}
.steps-bar div.on{background:linear-gradient(90deg,var(--acc),var(--acc-2))}
.fstep{display:none}
.fstep.on{display:block;animation:fade .45s var(--ease)}
.form-nav{display:flex;justify-content:space-between;gap:1rem;margin-top:1.8rem}
.chk-grid{display:grid;grid-template-columns:1fr 1fr;gap:.65rem}
.chk{display:flex;align-items:center;gap:.65rem;padding:.8rem 1rem;border-radius:11px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.03);cursor:pointer;
  font-size:.9rem;color:var(--txt-2);transition:.25s var(--ease)}
.chk:hover{border-color:var(--acc);color:var(--txt)}
.chk input{accent-color:var(--acc);width:17px;height:17px;flex:0 0 17px}
.chk.on{border-color:var(--acc);background:var(--acc-soft);color:var(--txt)}
.form-msg{margin-top:1.2rem;padding:1rem 1.2rem;border-radius:12px;font-size:.9rem;display:none}
.form-msg.ok{display:block;border:1px solid rgba(62,207,142,.4);background:rgba(62,207,142,.1);color:#8ee9c0}
.form-msg.err{display:block;border:1px solid rgba(245,165,36,.4);background:rgba(245,165,36,.1);color:#8fd6e4}

/* ---------- contact tiles ---------- */
.ctile{display:flex;gap:1.1rem;padding:1.5rem;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.028);transition:.32s var(--ease)}
.ctile:hover{border-color:rgba(88,180,198,.42);transform:translateY(-4px)}
.ctile .ico{width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;
  background:var(--acc-soft);color:var(--acc);border:1px solid rgba(88,180,198,.26)}
.ctile .ico svg{width:19px;height:19px}
.ctile b{display:block;font-family:var(--ff-h);font-size:.94rem;margin-bottom:.25rem}
.ctile a,.ctile p{color:var(--txt-2);font-size:.92rem;margin:0}
.ctile a:hover{color:var(--acc)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;padding:clamp(3rem,6vw,5rem);border-radius:26px;overflow:hidden;text-align:center;
  border:1px solid rgba(88,180,198,.3);
  background:linear-gradient(140deg,rgba(88,180,198,.16),rgba(58,114,168,.08) 55%,rgba(255,255,255,.02))}
.cta-band h2{max-width:20ch;margin-inline:auto}
.cta-band p{max-width:52ch;margin-inline:auto}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);padding:4rem 0 2rem;margin-top:2rem;background:rgba(0,0,0,.28)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2.5rem}
.foot-grid h5{font-family:var(--ff-h);font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--txt-3);margin:0 0 1.1rem}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.foot-grid a{font-size:.92rem;color:var(--txt-2);transition:.22s}
.foot-grid a:hover{color:var(--acc)}
.legal{margin-top:3rem;padding-top:1.6rem;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.8rem;color:var(--txt-3)}
.legal p{margin:0;font-size:.8rem}

.totop{position:fixed;right:1.4rem;bottom:1.4rem;width:46px;height:46px;border-radius:50%;z-index:70;
  display:grid;place-items:center;border:1px solid var(--line-strong);background:rgba(11,15,21,.9);
  color:var(--acc);cursor:pointer;opacity:0;pointer-events:none;transition:.35s var(--ease);backdrop-filter:blur(10px)}
.totop.on{opacity:1;pointer-events:auto}
.totop:hover{background:var(--acc);color:#04191f;transform:translateY(-3px)}

/* ---------- page hero (inner pages) ---------- */
.phero{padding:clamp(4rem,8vw,7rem) 0 clamp(2.5rem,5vw,4rem);position:relative}
.phero h1{font-size:clamp(2.1rem,5vw,3.6rem);max-width:18ch}
.crumb{font-size:.8rem;color:var(--txt-3);margin-bottom:1.2rem}
.crumb a:hover{color:var(--acc)}

/* ---------- notice ---------- */
.notice{padding:1.1rem 1.4rem;border-radius:13px;border:1px solid rgba(245,165,36,.32);
  background:rgba(245,165,36,.07);font-size:.88rem;color:#bfe4ec;margin-top:1.4rem}
.notice b{color:#8fd6e4}

/* ---------- responsive ---------- */
@media(max-width:900px){
  /* sotto i 16px iOS ingrandisce la pagina al primo tocco su un campo,
     e il visitatore si ritrova il modulo storto */
  input,select,textarea{font-size:16px}
}
@media(max-width:1000px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .calc-body{grid-template-columns:1fr}
  .calc-in{border-right:none;border-bottom:1px solid var(--line)}
}
@media(max-width:860px){
  .burger{display:flex}
  .menu{position:fixed;inset:66px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(6,8,11,.98);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);
    padding:1rem 1.25rem 1.6rem;transform:translateY(-130%);transition:.42s var(--ease),visibility .42s;
    z-index:59;visibility:hidden}
  /* visibility, non solo transform: altrimenti i sei collegamenti restano
     raggiungibili col tasto Tab mentre il menu e' chiuso e fuori schermo */
  .menu.open{transform:translateY(0);visibility:visible}
  .menu a{padding:.9rem .4rem;font-size:1rem;border-bottom:1px solid var(--line)}
  .nav-cta{display:none}
  .g2,.g3,.g4,.split,.compare,.form-row,.chk-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  /* Non "niente movimento": movimento sobrio. Le dissolvenze restano,
     perche' aiutano a capire cosa e' cambiato; spariscono gli spostamenti,
     che sono quelli che danno fastidio a chi ha disturbi vestibolari. */
  *{animation-duration:.01ms!important;animation-iteration-count:1!important}
  .rv{opacity:1;transform:none;transition:opacity .25s linear}
  .hero h1 .l i{transform:none}
  .hero-sub{opacity:1}
  .mq-track{animation:none}
  .noise,.vignetta{display:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   v2 — impatto visivo, pagine corso, identità
   ============================================================ */

/* ---- transizione di pagina ----
   Prima il corpo nasceva a opacity:0 e veniva rivelato da un'animazione:
   se l'animazione non partiva (o si tornava indietro con la cronologia)
   restava una pagina bianca, e in ogni caso il momento in cui il contenuto
   compare slittava di mezzo secondo. Ora la dissolvenza la fa il browser,
   dove la sa fare, e dove non la sa fare semplicemente non c'e'. */
@view-transition{ navigation: auto; }
@media(prefers-reduced-motion:no-preference){
  ::view-transition-old(root){animation:vtVia .18s var(--ease) both}
  ::view-transition-new(root){animation:vtQua .30s var(--ease) both}
}
@keyframes vtVia{to{opacity:0}}
@keyframes vtQua{from{opacity:0;transform:translateY(8px)}}

/* ---- spotlight che segue il cursore ---- */
.spot{position:fixed;width:520px;height:520px;border-radius:50%;pointer-events:none;z-index:1;
  background:radial-gradient(circle,rgba(88,180,198,.10),transparent 62%);
  transform:translate(-50%,-50%);transition:opacity .4s;opacity:0;mix-blend-mode:screen}
@media(hover:hover) and (min-width:900px){.spot{opacity:1}}

/* ---- logo reale ---- */
.brand img.logo{height:42px;width:auto;display:block;flex:0 0 auto;
  filter:drop-shadow(0 3px 10px rgba(88,180,198,.28))}
.site-foot .brand img.logo{height:46px}

/* ---- marquee esperienze ---- */
.mq{position:relative;overflow:hidden;border-block:1px solid var(--line);padding:1.5rem 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.mq-track{display:flex;gap:3.5rem;width:max-content;animation:mqm 32s linear infinite}
.mq:hover .mq-track{animation-play-state:paused}
@keyframes mqm{to{transform:translateX(-50%)}}
.mq-item{font-family:var(--ff-h);font-size:clamp(1rem,2vw,1.4rem);font-weight:600;
  color:var(--txt-3);white-space:nowrap;letter-spacing:-.01em;transition:color .3s}
.mq-item:hover{color:var(--acc)}

/* ---- divisore animato ---- */
.rule{height:1px;background:linear-gradient(90deg,transparent,var(--acc),transparent);
  opacity:.35;margin:0}

/* ---- hero: parallax leggero ---- */
.hero .wrap{will-change:transform}

/* ---- sub-nav sticky pagine corso ---- */
.subnav{position:sticky;top:66px;z-index:50;background:rgba(6,8,11,.9);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);padding:.7rem 0;overflow-x:auto;scrollbar-width:none}
.subnav::-webkit-scrollbar{display:none}
.subnav ul{display:flex;gap:.4rem;list-style:none;margin:0;padding:0;width:max-content}
.subnav a{padding:.45rem .9rem;border-radius:999px;font-size:.84rem;color:var(--txt-2);
  border:1px solid transparent;white-space:nowrap;transition:.25s var(--ease)}
.subnav a:hover{color:var(--acc);border-color:rgba(88,180,198,.35)}

/* ---- tabella durate ---- */
.dtable{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;font-size:.94rem}
.dtable th,.dtable td{padding:1rem 1.2rem;text-align:left;border-bottom:1px solid var(--line)}
.dtable th{font-family:var(--ff-h);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--txt-3);background:rgba(255,255,255,.03);font-weight:600}
.dtable tr:last-child td{border-bottom:none}
.dtable td:last-child{font-family:var(--ff-h);color:var(--acc);font-weight:600;white-space:nowrap}
.dtable tbody tr{transition:background .25s}
.dtable tbody tr:hover{background:rgba(88,180,198,.05)}

/* ---- lista contenuti ---- */
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:.8rem}
.ticks li{display:flex;gap:.75rem;font-size:.96rem;color:var(--txt-2);line-height:1.55}
.ticks li::before{content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;margin-top:.55rem;
  background:var(--acc);box-shadow:0 0 0 4px rgba(88,180,198,.14)}

/* ---- key facts ---- */
.kf{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:2rem 0}
.kf div{background:var(--bg-2);padding:1.5rem}
.kf b{display:block;font-family:var(--ff-h);font-size:1.5rem;color:var(--acc);line-height:1.1}
.kf span{display:block;margin-top:.45rem;font-size:.82rem;color:var(--txt-3)}

/* ---- correlati ---- */
.rel{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem}
.rel a{padding:1.1rem 1.3rem;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.028);font-size:.9rem;transition:.3s var(--ease);display:block}
.rel a:hover{border-color:rgba(88,180,198,.45);transform:translateY(-4px);color:var(--acc)}
.rel a span{display:block;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--txt-3);margin-bottom:.35rem}

/* ---- link corso nel catalogo ---- */
.course.link::after{content:"→";position:absolute;right:1.5rem;top:50%;transform:translateY(-50%);
  color:var(--acc);opacity:0;transition:.3s var(--ease)}
.course{position:relative}
.course.link:hover::after{opacity:1;right:1.2rem}
.course.link h4{color:var(--txt)}

@media(max-width:1000px){.kf{grid-template-columns:1fr}.rel{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.rel{grid-template-columns:1fr}.subnav{top:62px}}


/* ===== correzioni post-audit ===== */
/* overflow orizzontale su mobile: gli elementi di griglia hanno min-width:auto */
.calc-in,.calc-out,.field,.foot-grid>*,.split>*,.grid>*{min-width:0}
.foot-grid a,.foot-grid li,.ctile a,.ctile p{overflow-wrap:anywhere}
@media(max-width:600px){.foot-grid{grid-template-columns:1fr}}

/* la pagina contatti deve impilarsi su mobile */
@media(min-width:861px){.split-contatti{grid-template-columns:1.15fr .85fr}}

/* il campo di ricerca perdeva il padding per la lente (regola generica successiva) */
.search input[type=text]{padding:1rem 1.2rem 1rem 3rem;border-radius:14px;font-size:.98rem}

/* .field label sovrascriveva interruttori e checkbox rendendoli maiuscoli */
.field .switch,.field .chk{display:flex;font-size:.92rem;text-transform:none;
  letter-spacing:normal;color:var(--txt-2);margin-bottom:0}
.field .chk{align-items:center}

/* titolo di gruppo: sostituisce le <label> senza campo associato */
.field-title{display:block;font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--txt-3);margin-bottom:.6rem}

/* messaggio di errore: era azzurro su fondo ambra */
.form-msg.err{color:#f5c46a}

/* riga "ultimo aggiornamento" delle schede normative */
.updated{display:inline-flex;align-items:center;gap:.5rem;font-size:.78rem;color:var(--txt-3);
  border:1px solid var(--line);border-radius:999px;padding:.35rem .9rem;margin-bottom:1.2rem}
.updated::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc)}

/* ===== verificatore scadenze ===== */
.scad-row{display:grid;grid-template-columns:1.3fr 1fr 1fr 44px;gap:.6rem;margin-bottom:.65rem;align-items:center}
.scad-row .s-del{width:44px;height:44px;border-radius:11px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);color:var(--txt-3);font-size:1.3rem;cursor:pointer;transition:.25s var(--ease)}
.scad-row .s-del:hover{border-color:#f5a524;color:#f5a524}
input[type=date]{width:100%;padding:.85rem 1rem;border-radius:11px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);color:var(--txt);font-family:var(--ff-b);font-size:.95rem;outline:none}
input[type=date]:focus{border-color:var(--acc);background:rgba(255,255,255,.07)}
input[type=date]::-webkit-calendar-picker-indicator{filter:invert(.7)}

.scad-sum{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:1.2rem}
.scad-sum div{background:var(--bg-2);padding:1.2rem;text-align:center}
.scad-sum b{display:block;font-family:var(--ff-h);font-size:2rem;line-height:1;color:var(--txt-2)}
.scad-sum span{display:block;margin-top:.4rem;font-size:.78rem;color:var(--txt-3)}
.scad-sum .bad b{color:#ff6b6b}.scad-sum .warn b{color:#f5a524}.scad-sum .good b{color:#3ecf8e}

.scad-list{display:grid;gap:.7rem}
.scad-item{padding:1.1rem 1.3rem;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.028);border-left-width:3px}
.scad-item.bad{border-left-color:#ff6b6b;background:rgba(255,107,107,.06)}
.scad-item.warn{border-left-color:#f5a524;background:rgba(245,165,36,.06)}
.scad-item.good{border-left-color:#3ecf8e}
.scad-item .s-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:.35rem}
.scad-item .s-head b{font-family:var(--ff-h);font-size:1rem}
.s-badge{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;padding:.25rem .7rem;border-radius:999px;
  border:1px solid currentColor;white-space:nowrap}
.scad-item.bad .s-badge{color:#ff6b6b}.scad-item.warn .s-badge{color:#f5a524}.scad-item.good .s-badge{color:#3ecf8e}
.scad-item .s-det{margin:0 0 .4rem;font-size:.95rem;color:var(--txt)}
.scad-item .s-meta{margin:0;font-size:.82rem;color:var(--txt-3);line-height:1.5}
.scad-item .s-warn{margin:.6rem 0 0;font-size:.82rem;color:#f5c46a}
.scad-cta{margin-top:1.3rem;padding:1.3rem;border-radius:var(--radius);text-align:center;
  border:1px solid rgba(88,180,198,.32);background:linear-gradient(135deg,rgba(88,180,198,.14),rgba(88,180,198,.04))}
.scad-cta p{margin:0 0 1rem}

/* ===== calendario edizioni ===== */
.cal{display:grid;gap:.8rem}
.cal-item{display:grid;grid-template-columns:96px 1fr auto;gap:1.3rem;align-items:center;
  padding:1.2rem 1.4rem;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.028);transition:.32s var(--ease)}
.cal-item:hover{border-color:rgba(88,180,198,.42);transform:translateX(4px)}
.cal-date{text-align:center;border-right:1px solid var(--line);padding-right:1.3rem}
.cal-date b{display:block;font-family:var(--ff-h);font-size:1.8rem;line-height:1;color:var(--acc)}
.cal-date span{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--txt-3);margin-top:.3rem}
.cal-info h4{font-family:var(--ff-h);font-size:1.02rem;margin:0 0 .3rem}
.cal-info p{margin:0;font-size:.86rem;color:var(--txt-3)}
.cal-posti{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;padding:.35rem .85rem;
  border-radius:999px;white-space:nowrap;border:1px solid currentColor}
.cal-posti.ok{color:#3ecf8e}.cal-posti.few{color:#f5a524}.cal-posti.full{color:var(--txt-3)}
@media(max-width:860px){
  .scad-row{grid-template-columns:1fr 1fr;gap:.5rem}
  .scad-row .s-nome{grid-column:1/-1}
  .scad-row .s-del{width:100%}
  .scad-sum{grid-template-columns:1fr}
  .cal-item{grid-template-columns:1fr;gap:.7rem}
  .cal-date{text-align:left;border-right:none;border-bottom:1px solid var(--line);padding:0 0 .7rem;display:flex;gap:.6rem;align-items:baseline}
  .cal-date span{margin-top:0}
}

/* note esplicative dentro i risultati del verificatore */
.s-note{list-style:none;margin:.8rem 0 0;padding:0;display:grid;gap:.5rem}
.s-note li{position:relative;padding-left:1.1rem;font-size:.83rem;color:var(--txt-3);line-height:1.55}
.s-note li::before{content:"";position:absolute;left:0;top:.55rem;width:5px;height:5px;border-radius:50%;background:var(--acc);opacity:.7}
.s-note b{color:var(--txt-2)}

/* ===== hero con il logo in particelle ===== */
#heroCanvas{opacity:.9}
#heroCanvas.con-logo{opacity:1}
@media(min-width:900px){
  .hero-wrap{max-width:min(100% - 2.5rem,var(--maxw))}
  .hero-wrap h1,.hero-wrap .hero-sub,.hero-wrap .hero-actions,.hero-wrap .hero-badges{max-width:56ch}
  .hero-wrap h1{max-width:18ch}
}
/* su schermi stretti il logo sta dietro, più tenue, per non disturbare la lettura */
@media(max-width:899px){#heroCanvas{opacity:.32}}

/* ===== inclinazione 3D delle card al passaggio del mouse ===== */
@media(hover:hover) and (min-width:900px){
  .grid.g4 .card,.grid.g3 .card,.grid.g2 .card,.step,.person{
    transform-style:preserve-3d;will-change:transform}
  .card.tilt,.step.tilt,.person.tilt{transition:transform .12s linear}
  .card.tilt-off,.step.tilt-off,.person.tilt-off{transition:transform .5s var(--ease)}
}

/* ===== freccia animata: invito a scorrere ===== */
.scroll-hint{position:absolute;left:50%;bottom:2.2rem;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:.75rem;cursor:pointer;
  background:none;border:none;padding:0;color:var(--txt-3);font-family:var(--ff-b);
  font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;transition:color .3s var(--ease)}
.scroll-hint::after{content:none}
.scroll-hint:hover{color:var(--acc)}
.sh-ring{position:relative;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line-strong);display:grid;place-items:center;
  transition:border-color .3s var(--ease),transform .3s var(--ease)}
.scroll-hint:hover .sh-ring{border-color:var(--acc);transform:translateY(3px)}
.sh-ring::before{content:"";position:absolute;inset:-1px;border-radius:50%;
  border:1px solid var(--acc);opacity:0;animation:shOnda 2.6s ease-out infinite}
@keyframes shOnda{0%{transform:scale(.85);opacity:.55}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}
.sh-ring svg{width:16px;height:16px;color:var(--acc);animation:shGiu 2.6s ease-in-out infinite}
@keyframes shGiu{0%,100%{transform:translateY(-3px);opacity:.55}50%{transform:translateY(3px);opacity:1}}
.sh-linea{width:1px;height:34px;background:linear-gradient(var(--acc),transparent);opacity:.5}

/* versione compatta per le pagine interne: sta nel flusso, non in fondo allo schermo */
.scroll-hint.piatta{position:static;transform:none;margin:2.4rem 0 0;align-items:flex-start;gap:.55rem}
.scroll-hint.piatta .sh-linea{height:26px;margin-left:21px}
.scroll-hint.piatta:hover .sh-ring{transform:translateY(3px)}

@media(prefers-reduced-motion:reduce){
  .sh-ring::before,.sh-ring svg{animation:none}
}

/* su mobile il marchio a particelle resta una filigrana dietro al testo */
#heroCanvas.filigrana{opacity:.32}

/* ===== scene 3D delle pagine interne ===== */
.phero{overflow:hidden}
.phero > .wrap{position:relative;z-index:2}
.scena-3d{position:absolute;top:0;right:0;left:auto;z-index:1;pointer-events:none;
  width:min(46%,620px);height:min(100%,460px)}
@media(max-width:900px){
  /* su telefono la figura resta una filigrana dietro al titolo */
  .scena-3d{width:100%;height:min(100%,300px);opacity:.30}
}

/* campo trappola antispam: fuori dallo schermo, invisibile ma raggiungibile dai robot */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}


/* ============================================================
   v3 — messa a fuoco, atmosfera, coreografia
   ============================================================ */

/* ---- chi naviga da tastiera deve vedere dov'e' ----
   In 624 righe non compariva mai :focus-visible, e tre campi avevano
   outline:none senza nulla al suo posto. */
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{
  outline:2px solid var(--acc);
  outline-offset:3px;
  border-radius:6px;
}
.search input:focus-visible,
select:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--acc);outline-offset:2px;
  border-color:var(--acc);background:rgba(255,255,255,.07)
}
::placeholder{color:var(--txt-3);opacity:1}

/* ---- salta al contenuto: il primo elemento che incontra chi usa la tastiera ---- */
.salta{
  position:absolute;left:.75rem;top:.75rem;z-index:200;
  transform:translateY(-160%);transition:transform .2s var(--ease);
  padding:.7rem 1.1rem;border-radius:10px;
  background:var(--acc);color:#04191f;font-weight:600;font-size:.9rem;
  font-family:var(--ff-h);box-shadow:0 10px 30px rgba(0,0,0,.5)
}
.salta:focus{transform:translateY(0)}

/* ---- vignettatura: chiude i bordi e porta lo sguardo al centro.
        E' quello che in un film fa l'obiettivo, e qui costa un elemento fisso. ---- */
.vignetta{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse 120% 85% at 50% 38%,transparent 42%,rgba(2,5,9,.55) 100%);
}
/* la grana resta, ma piu' discreta e solo dove non costa batteria */
.noise{opacity:.024}
@media(max-width:900px){
  .noise{display:none}
  /* niente sfocature a schermo intero sul telefono: sono il primo
     imputato del surriscaldamento */
  .bg-fx::before,.bg-fx::after{filter:blur(60px);opacity:.35}
}

/* ---- ingressi allo scroll: una sola regola, ma con ritardo progressivo
        calcolato dal codice. Prima erano 22 blocchi identici per pagina. ---- */
html.js .rv{transform:translateY(28px) scale(.988)}
.rv{transition:opacity .72s var(--ease),transform .72s var(--ease);
  transition-delay:calc(var(--i,0) * 65ms)}
html.js .rv.in{transform:none}

/* ---- i tre stati che il sito non animava ---- */
.btn:active{transform:translateY(-1px) scale(.985)}
.chip{transition:.25s var(--ease)}
.chip:active{transform:scale(.96)}
.nav-cta:active{transform:translateY(0) scale(.985)}
/* l'effetto di scavalcamento resta solo dove esiste un mouse: sul telefono
   si "incollava" al dito e restava acceso dopo il tocco */
@media(hover:none){
  .btn:hover,.nav-cta:hover,.card:hover,.chip:hover{transform:none}
}

/* ---- la figura tridimensionale delle pagine interne ---- */
.scena-3d{position:absolute;top:0;right:0;left:auto;z-index:1;pointer-events:auto;
  width:min(46%,620px);height:min(100%,470px)}
@media(max-width:900px){
  /* sotto i 900 px la figura non viene proprio creata: ne' contesto
     grafico ne' tela. E' l'unico modo di non consumare batteria. */
  .scena-3d{display:none}
}

/* ---- l'hero in orizzontale su telefono: titolo e pulsante devono
        stare nella prima schermata ---- */
@media(max-height:520px){
  .hero{min-height:auto;padding-block:3.5rem 2.5rem}
  .scroll-hint{display:none}
}

/* ---- la barra di avanzamento su transform: prima si animava la larghezza,
        che obbliga il browser a rifare il calcolo del layout a ogni scatto ---- */
.progress{width:100%;transform:scaleX(0);transform-origin:0 50%;will-change:transform}

/* ---- il marchio: ora e' un <picture>, la regola vale per l'immagine dentro ---- */
.brand picture{display:block;flex:0 0 auto}

/* ---- i percorsi più richiesti, in home ----
   Prima la home non linkava NESSUNA delle nove schede corso: tutta
   l'autorevolezza restava ferma su index.html. */
.corsi-rapidi{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  list-style:none;margin:0;padding:0;background:var(--line);border:1px solid var(--line)}
.corsi-rapidi a{display:block;padding:1.15rem 1.25rem;background:var(--bg);
  transition:background .28s var(--ease),transform .28s var(--ease)}
.corsi-rapidi a:hover{background:var(--bg-3);transform:translateY(-2px)}
.corsi-rapidi b{display:block;font-family:var(--ff-h);font-weight:600;font-size:1.02rem;
  letter-spacing:-.015em;color:var(--txt)}
.corsi-rapidi span{display:block;font-size:.86rem;color:var(--txt-3);margin-top:.2rem}
@media(max-width:900px){.corsi-rapidi{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.corsi-rapidi{grid-template-columns:1fr}}

/* ---- il ritardo degli ingressi ora lo calcola il codice: le vecchie
        classi d1..d5 avevano la meglio per specificita' ---- */
.rv.d1,.rv.d2,.rv.d3,.rv.d4,.rv.d5{transition-delay:calc(var(--i,0) * 65ms)}
html:not(.js) .rv{opacity:1 !important;transform:none !important}


/* =====================================================================
   TRE INTERVENTI SU TUTTO IL SITO
   ===================================================================== */

/* ---- 1. parallasse: gli strati di fondo scorrono a velocita' diverse ----
   --sy e' la posizione di scorrimento, scritta una volta per fotogramma da
   main.js. Solo transform: nessun ricalcolo di impaginazione. */
.bg-fx{transform:translate3d(0,calc(var(--sy,0px) * -0.055),0)}
.grid-fx{transform:translate3d(0,calc(var(--sy,0px) * -0.13),0);will-change:transform}
.noise{transform:translate3d(0,calc(var(--sy,0px) * -0.025),0)}

/* ---- 2. l'onda di pressione ----
   Nasce dal punto toccato (--px/--py, scritte da main.js) e si allarga
   spegnendosi. Sta sotto al contenuto, mai sopra al testo. */
.chip,.course,.cal-item,.totop,.nav-cta,.ctile,.rel a{position:relative;overflow:hidden}
.btn::after,.chip::after,.course::after,.cal-item::after,.totop::after,
.nav-cta::after,.card::after,.ctile::after,.rel a::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  opacity:0;z-index:0;
  background:radial-gradient(circle at var(--px,50%) var(--py,50%),
    rgba(88,180,198,.34),rgba(88,180,198,0) 46%)}
/* dentro le schede c'e' testo lungo: onda piu' discreta */
.card::after{background:radial-gradient(circle at var(--px,50%) var(--py,50%),
    rgba(88,180,198,.16),rgba(88,180,198,0) 46%)}
.premuto::after{animation:ondaPressione .52s var(--ease) forwards}
@keyframes ondaPressione{
  from{opacity:.85;transform:scale(.28)}
  to{opacity:0;transform:scale(1.7)}}

/* il cedimento: la discesa e' piu' rapida della risalita, come una molla vera */
.course:active,.cal-item:active,.totop:active,.ctile:active{
  transform:scale(.985);transition-duration:.09s}

/* ---- 3. luce d'orizzonte sulle intestazioni delle pagine interne ----
   Le 14 pagine che non sono la home aprivano su un fondo uniforme. Ora
   una fascia di luce bassa e larghissima le illumina da dietro, con una
   linea di orizzonte appena percettibile che chiude la fascia.
   Tutto in CSS: nessun kilobyte di script, nessun costo per fotogramma. */
.phero::before{content:"";position:absolute;left:50%;top:-38%;
  width:150%;height:150%;transform:translateX(-50%);
  background:radial-gradient(ellipse 52% 42% at 50% 62%,
    rgba(88,180,198,.14),rgba(88,180,198,.05) 44%,transparent 70%);
  pointer-events:none;z-index:0}
.phero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(88,180,198,.30) 30%,
    rgba(88,180,198,.30) 70%,transparent);
  pointer-events:none;z-index:1}

@media(prefers-reduced-motion:reduce){
  .bg-fx,.grid-fx,.noise{transform:none}
  .premuto::after{animation:none}
}