/* Promethix AI — stile globale (brand Brace) */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  /* Brand tokens Promethix AI (brand kit v1.0 · palette Brace) */
  --brace-500:#FF6B2C;  /* simbolo, "AI", accenti e testo su carbone · 6,95:1 */
  --brace-600:#E0450F;  /* arancio profondo (fondi chiari) */
  --brace-700:#C2410C;  /* fondo pulsanti con testo bianco · 5,18:1 */
  --ember:#FFB547;      /* luce: solo accenti puntuali */
  --carbon:#0C0A09; --carbon-800:#14100D; --ash:#B9B0A8; --paper:#FAF7F4;
  --brand-grad:linear-gradient(100deg,var(--brace-600),var(--brace-500) 55%,var(--ember));
  /* Ruoli UI (neutri caldi) */
  --bg:var(--carbon); --surf:#141110; --surf2:#1b1715; --bd:#2a2421; --bd2:#3a322e;
  --txt:#f6f1ec; --txt2:var(--ash); --mut:#968a81; --acc:var(--brace-500); --danger:#ff8a7a;
  --grad:var(--brand-grad);
  --maxw:1180px; --r-sm:9px; --r:14px; --r-lg:18px;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:'Sora',sans-serif;line-height:1.5;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;letter-spacing:-.02em;line-height:1.05}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none}
img,canvas{display:block;max-width:100%}
ul,ol{list-style:none}

.grad{color:var(--txt);background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;padding-right:.1em;margin-right:-.1em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.kicker{font-family:'JetBrains Mono',monospace;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--acc)}
.section{position:relative;max-width:var(--maxw);margin:0 auto;padding:8rem 2.4rem}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.18;z-index:0;pointer-events:none}

.btn-primary{display:inline-block;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1rem;color:#fff;background:var(--brace-700);padding:.95rem 1.7rem;border-radius:11px;box-shadow:0 12px 36px -12px rgba(224,69,15,.75);transition:transform .15s,background .2s}
.btn-primary:hover{transform:translateY(-2px);background:#a8380a}
.btn-ghost{display:inline-block;font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:1rem;color:var(--txt);background:rgba(255,255,255,.05);padding:.95rem 1.6rem;border-radius:11px;border:1px solid var(--bd2);transition:background .2s}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}

/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

/* progress + header */
#progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:60;background:var(--grad)}
#site-header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:1.1rem 2.4rem;transition:background .3s,backdrop-filter .3s}
#site-header.scrolled{background:rgba(12,10,9,.75);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.brand{display:flex;align-items:center;flex:none}
.brand img{height:28px;width:auto}
#site-header .btn-primary{padding:.55rem 1.05rem;font-size:.82rem;box-shadow:0 8px 22px -10px rgba(224,69,15,.7)}

/* hero */
#hero{position:relative;min-height:100vh;display:flex;align-items:center;max-width:var(--maxw);margin:0 auto;padding:6rem 2.4rem 4rem}
#swarm{position:absolute;inset:0;z-index:0;width:100%;height:100%}
.hero-inner{position:relative;z-index:2}
#hero h1{font-weight:700;font-size:clamp(2.6rem,6.4vw,5.4rem);max-width:17ch;margin-top:1.3rem}
#hero h1 em{font-style:italic}
.sub{font-size:clamp(1rem,1.4vw,1.2rem);color:var(--txt2);font-weight:300;max-width:46ch;margin-top:1.5rem}
.cta-row{display:flex;gap:1rem;margin-top:2.2rem;flex-wrap:wrap;align-items:center}
.chips{display:flex;gap:1.6rem;margin-top:2.8rem;font-family:'JetBrains Mono',monospace;font-size:.74rem;color:var(--mut);flex-wrap:wrap}
.chips li{display:flex;align-items:center;gap:.45rem}
.chips li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brace-500)}

/* statement */
.statement{position:relative;z-index:2;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(2rem,5vw,4rem);line-height:1.08;max-width:20ch}
.statement .dim{color:#6e625a}

/* soluzioni */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.4rem}
.sol{background:var(--surf);border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;transition:transform .2s,border-color .2s}
.sol:hover{transform:translateY(-4px);border-color:var(--brace-600)}
.sol .ic{width:40px;height:40px;border-radius:10px;background:var(--brace-700);display:flex;align-items:center;justify-content:center;margin-bottom:1rem;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:.8rem;color:#fff}
.sol h3{font-size:1.15rem;margin-bottom:.4rem}
.sol p{color:var(--mut);font-size:.86rem;font-weight:300}
.sol.custom{background:linear-gradient(135deg,rgba(224,69,15,.14),rgba(255,181,71,.06));border-color:var(--bd2)}

/* catalogo: categorie + prodotto featured */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem}
.cat{background:var(--surf);border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}
.cat:hover{transform:translateY(-4px);border-color:var(--brace-600)}
.cat .ic{width:40px;height:40px;border-radius:10px;background:var(--brace-700);display:flex;align-items:center;justify-content:center;margin-bottom:1rem;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:.85rem;color:#fff}
.cat h3{font-size:1.3rem;margin-bottom:.4rem}
.cat p{color:var(--mut);font-size:.88rem;font-weight:300;flex:1}
.cat-state{margin-top:1rem;font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.04em;color:var(--mut)}
.cat-state.on{color:var(--acc)}
.feat{position:relative;margin-top:1.2rem;background:linear-gradient(135deg,rgba(224,69,15,.14),rgba(255,181,71,.05));border:1px solid var(--bd2);border-radius:18px;padding:1.8rem 1.9rem;display:grid;grid-template-columns:1.6fr .9fr;gap:1.6rem;align-items:center}
.feat-tags{display:flex;gap:.6rem;align-items:center;margin-bottom:.7rem}
.badge-live{display:inline-flex;align-items:center;gap:.4rem;font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--brace-500);background:rgba(255,107,44,.1);border:1px solid rgba(255,107,44,.35);border-radius:999px;padding:.22rem .6rem}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ember);box-shadow:0 0 6px var(--ember)}
.feat-cat{font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.feat h3{font-size:1.6rem;margin-bottom:.5rem}
.feat-main p{color:var(--txt2);font-weight:300;font-size:.95rem}
.feat-points{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;margin-top:1rem}
.feat-points li{color:var(--mut);font-size:.82rem;display:flex;align-items:center;gap:.4rem}
.feat-points li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brace-500)}
.feat-cta{display:flex;justify-content:flex-end}
@media (max-width:820px){.cat-grid{grid-template-columns:1fr}.feat{grid-template-columns:1fr}.feat-cta{justify-content:flex-start}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.4rem}
.step{border-top:2px solid var(--bd);padding-top:1rem}
.step .n{font-family:'JetBrains Mono',monospace;color:var(--brace-500);font-size:.8rem}
.step h4{font-size:1.05rem;margin:.5rem 0 .4rem}
.step p{color:var(--mut);font-size:.84rem;font-weight:300}

/* trio */
.trio{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:2.4rem}
.trio h4{font-size:1.1rem;margin-bottom:.5rem}
.trio p{color:var(--mut);font-size:.88rem;font-weight:300}

/* architettura — pilastri */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.4rem 2rem;margin-top:2.4rem}
.pillar{position:relative;z-index:2}
.pillar .pt{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.05rem;margin-bottom:.45rem;display:flex;align-items:center;gap:.55rem}
.pillar .pt::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-grad);flex:none}
.pillar p{color:var(--mut);font-size:.88rem;font-weight:300}

/* closing + footer */
.closing{text-align:center;padding:9rem 2.4rem}
.closing h2{font-weight:700;font-size:clamp(2.2rem,5.5vw,4.4rem)}
#site-footer{border-top:1px solid var(--bd);max-width:var(--maxw);margin:0 auto;padding:3rem 2.4rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1.2rem;align-items:center;color:var(--mut);font-size:.82rem}
.foot-meta{display:flex;gap:1.4rem;flex-wrap:wrap;align-items:center}

/* modal */
.modal[hidden]{display:none}
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:1.2rem}
.modal-backdrop{position:absolute;inset:0;background:rgba(8,6,5,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.modal-card{position:relative;z-index:1;width:min(520px,100%);max-height:90vh;overflow:auto;background:var(--surf);border:1px solid var(--bd2);border-radius:var(--r-lg);padding:2rem}
.modal-x{position:absolute;top:1rem;right:1rem;width:34px;height:34px;border-radius:8px;background:var(--surf2);color:#fff;font-size:1.2rem}
.modal-sub{color:var(--txt2);font-weight:300;margin:.5rem 0 1.2rem}
#booking-form{display:flex;flex-direction:column;gap:.2rem}
#booking-form label{font-size:.8rem;color:var(--txt2);margin-top:.6rem}
#booking-form input,#booking-form textarea{background:var(--surf2);border:1px solid var(--bd2);border-radius:var(--r-sm);padding:.7rem .8rem;color:#fff;font-family:inherit}
#booking-form input[aria-invalid="true"],#booking-form textarea[aria-invalid="true"]{border-color:var(--danger)}
.form-error{color:var(--danger);font-size:.82rem;margin-top:.4rem}
#booking-form .btn-primary{margin-top:1rem}

/* responsive */
@media (max-width:820px){.sol-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.trio{grid-template-columns:1fr}}
@media (max-width:680px){.section{padding:5rem 1.3rem}#hero{padding:5rem 1.3rem 3rem}#site-header{padding:.9rem 1.3rem}.brand img{height:24px}#site-footer{flex-direction:column;align-items:flex-start}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rv{opacity:1;transform:none;transition:none}}

/* pagine legali */
.legal-wrap{max-width:760px;margin:0 auto;padding:7rem 1.4rem 4rem}
.legal-wrap h1{font-size:clamp(2rem,5vw,3rem);margin-bottom:.4rem}
.legal-updated{color:var(--mut);font-family:'JetBrains Mono',monospace;font-size:.78rem;margin-bottom:2rem}
.legal-note{background:var(--surf);border:1px solid var(--bd2);border-radius:var(--r);padding:1rem 1.2rem;color:var(--txt2);font-size:.86rem;margin-bottom:2.5rem}
.legal-wrap h2{font-size:1.25rem;margin:2rem 0 .6rem}
.legal-wrap p,.legal-wrap li{color:var(--txt2);font-weight:300;font-size:.95rem;margin-bottom:.7rem;line-height:1.65}
.legal-wrap ul{list-style:disc;padding-left:1.3rem}
.legal-wrap a{color:var(--acc)}
.legal-wrap strong{color:var(--txt);font-weight:600}