/* ============================================================
   QUANTUM — Soluzioni IT & AI
   Stile: Minimal chiaro + Tech dark neon + Geometrico
   ============================================================ */

:root{
  --ink:#070B14;
  --ink-2:#0C1322;
  --paper:#F7F9FC;
  --white:#FFFFFF;
  --magenta:#D633F0;
  --cyan:#16C8F0;
  --blue:#2E7CF6;
  --text:#1B2233;
  --muted:#5A6478;
  --muted-dark:#8B94AB;
  --line:#E3E8F2;
  --line-dark:rgba(255,255,255,.08);
  --grad:linear-gradient(90deg,var(--magenta),var(--blue) 55%,var(--cyan));
  --glow-m:0 0 24px rgba(214,51,240,.45);
  --glow-c:0 0 24px rgba(22,200,240,.45);
  --radius:14px;
  --maxw:1140px;
  --font-display:'Michroma',sans-serif;
  --font-head:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--text);
  background:var(--paper);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Tipografia ---------- */
h1,h2,h3{font-family:var(--font-head);line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5.2vw,3.8rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:700;color:var(--ink)}
h3{font-size:1.18rem;font-weight:600;color:var(--ink)}
p{max-width:68ch}

.eyebrow{
  font-family:var(--font-display);
  font-size:.72rem;
  letter-spacing:.35em;
  text-transform:uppercase;
  display:inline-flex;align-items:center;gap:12px;
  color:var(--muted);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:34px;height:2px;
  background:var(--grad);border-radius:2px;
}
.dark .eyebrow{color:var(--muted-dark)}

.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,11,20,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-dark);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand img{height:44px;width:44px;object-fit:cover;object-position:center 38%;border-radius:8px}
.brand span{
  font-family:var(--font-display);
  font-size:1rem;letter-spacing:.3em;color:var(--white);
}
.main-nav{display:flex;align-items:center;gap:34px}
.main-nav a{
  color:#C7CEDC;font-size:.92rem;font-weight:500;
  position:relative;padding:6px 0;
}
.main-nav a:hover{color:var(--white);text-decoration:none}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--grad);transition:width .25s ease;border-radius:2px;
}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.main-nav a.active{color:var(--white)}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:999px;
  font-family:var(--font-head);font-weight:600;font-size:.95rem;
  border:none;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-neon{
  background:var(--grad);color:#fff;
  box-shadow:0 0 0 rgba(0,0,0,0);
}
.btn-neon:hover{box-shadow:var(--glow-c)}
.btn-ghost{
  background:transparent;color:var(--white);
  border:1px solid rgba(255,255,255,.25);
}
.btn-ghost:hover{border-color:var(--cyan);box-shadow:var(--glow-c)}
.nav-cta{padding:9px 20px;font-size:.88rem}

/* hamburger */
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  width:42px;height:42px;flex-direction:column;justify-content:center;gap:6px;align-items:center;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--white);transition:.3s;border-radius:2px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Hero dark ---------- */
.hero{
  background:
    radial-gradient(700px 420px at 18% 30%,rgba(214,51,240,.16),transparent 60%),
    radial-gradient(700px 420px at 82% 70%,rgba(22,200,240,.16),transparent 60%),
    var(--ink);
  color:var(--white);
  position:relative;overflow:hidden;
}
.hero .container{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  padding-top:96px;padding-bottom:110px;
}
.hero h1{color:var(--white);margin-bottom:22px}
.hero p.lead{color:#B7C0D4;font-size:1.12rem;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{display:flex;justify-content:center}
.hero-visual img{
  width:min(360px,80%);
  filter:drop-shadow(0 0 40px rgba(22,200,240,.35)) drop-shadow(0 0 60px rgba(214,51,240,.25));
  animation:float 6s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* griglia geometrica di sfondo */
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%);
}

/* hero compatto per pagine interne */
.hero.compact .container{
  grid-template-columns:1fr;
  padding-top:72px;padding-bottom:72px;text-align:left;
}

/* ---------- Linea-circuito firma ---------- */
.circuit{display:block;width:100%;height:90px}
.circuit .wire{fill:none;stroke-width:2}
.circuit .pulse{
  stroke-dasharray:60 940;
  animation:pulse 5s linear infinite;
}
@keyframes pulse{to{stroke-dashoffset:-1000}}

/* ---------- Sezioni chiare ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{margin-bottom:54px;max-width:720px}
.section-head p{color:var(--muted);margin-top:14px;font-size:1.05rem}

/* card griglia */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:34px 30px;
  position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.card:hover{
  transform:translateY(-6px);
  border-color:transparent;
  box-shadow:0 18px 44px rgba(20,30,60,.10);
}
.card:hover::before{opacity:1}
.card h3{margin:18px 0 10px}
.card p{color:var(--muted);font-size:.97rem}
.card .icon{
  width:52px;height:52px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(214,51,240,.10),rgba(22,200,240,.10));
  border:1px solid var(--line);
}
.card .icon svg{width:26px;height:26px}

/* ---------- Sezione dark ---------- */
.dark{
  background:
    radial-gradient(600px 300px at 85% 15%,rgba(22,200,240,.10),transparent 60%),
    radial-gradient(600px 300px at 10% 85%,rgba(214,51,240,.10),transparent 60%),
    var(--ink-2);
  color:#C7CEDC;
}
.dark h2,.dark h3{color:var(--white)}
.dark .card{
  background:rgba(255,255,255,.03);
  border-color:var(--line-dark);
}
.dark .card p{color:var(--muted-dark)}
.dark .card:hover{box-shadow:0 18px 44px rgba(0,0,0,.45)}
.dark .section-head p{color:var(--muted-dark)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;text-align:center}
.stat .num{
  font-family:var(--font-display);
  font-size:clamp(1.8rem,4vw,2.6rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .lbl{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-dark);margin-top:8px}

/* step / processo */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;counter-reset:step}
.step{position:relative;padding:28px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-display);font-size:.9rem;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:.2em;
}
.step h3{margin:12px 0 8px;font-size:1.05rem}
.step p{color:var(--muted);font-size:.92rem}

/* CTA band */
.cta-band{
  background:var(--ink);color:var(--white);
  position:relative;overflow:hidden;
  text-align:center;padding:88px 24px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse at center,black 20%,transparent 75%);
}
.cta-band h2{color:var(--white);position:relative;margin-bottom:14px}
.cta-band p{position:relative;color:#B7C0D4;margin:0 auto 34px}
.cta-band .btn{position:relative}

/* team */
.team-card{text-align:center}
.team-card .avatar{
  width:96px;height:96px;border-radius:50%;
  margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:1.5rem;color:#fff;
  background:linear-gradient(135deg,var(--magenta),var(--cyan));
  box-shadow:var(--glow-c);
}
.team-card .role{
  font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-weight:600;margin-bottom:10px;display:block;
}

/* valori lista */
.value-list{list-style:none;display:grid;gap:18px;margin-top:24px}
.value-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);
}
.value-list li svg{flex:none;width:22px;height:22px;margin-top:3px}
.value-list strong{display:block;color:var(--ink);font-family:var(--font-head)}
.value-list span{color:var(--muted);font-size:.95rem}

/* ---------- Pagine legali ---------- */
.legal{max-width:780px;margin:0 auto;padding:72px 24px 96px}
.legal h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:8px;color:var(--ink)}
.legal .updated{color:var(--muted);font-size:.9rem;margin-bottom:42px}
.legal h2{font-size:1.3rem;margin:42px 0 14px;padding-top:10px}
.legal h3{font-size:1.05rem;margin:26px 0 10px}
.legal p,.legal li{color:#39425A;font-size:.98rem}
.legal ul{margin:12px 0 12px 22px}
.legal li{margin-bottom:8px}
.legal table{
  width:100%;border-collapse:collapse;margin:18px 0;font-size:.92rem;
}
.legal th,.legal td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.legal th{background:#EEF2F9;font-family:var(--font-head);font-size:.85rem}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);color:var(--muted-dark);
  border-top:1px solid var(--line-dark);
  padding:64px 0 28px;font-size:.92rem;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;
}
.footer-grid h4{
  font-family:var(--font-head);color:var(--white);
  font-size:.95rem;margin-bottom:16px;letter-spacing:.04em;
}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:10px}
.footer-grid a{color:var(--muted-dark)}
.footer-grid a:hover{color:var(--cyan);text-decoration:none}
.footer-brand img{height:52px;width:52px;object-fit:cover;object-position:center 38%;border-radius:10px;margin-bottom:14px}
.footer-brand p{font-size:.88rem;max-width:30ch}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.82rem;
}
.footer-bottom a{color:var(--muted-dark)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed;left:20px;right:20px;bottom:20px;z-index:200;
  max-width:520px;margin:0 auto;
  background:var(--ink-2);color:#C7CEDC;
  border:1px solid var(--line-dark);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:0 24px 60px rgba(0,0,0,.5);
  display:none;
}
.cookie-banner.show{display:block;animation:slideUp .4s ease}
@keyframes slideUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.cookie-banner h3{color:var(--white);font-size:1rem;margin-bottom:8px}
.cookie-banner p{font-size:.88rem;margin-bottom:18px}
.cookie-banner .actions{display:flex;gap:12px;flex-wrap:wrap}
.cookie-banner .btn{padding:9px 20px;font-size:.85rem}
.btn-outline-dark{background:transparent;color:#C7CEDC;border:1px solid rgba(255,255,255,.25)}
.btn-outline-dark:hover{border-color:var(--magenta);color:var(--white)}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero .container{grid-template-columns:1fr;text-align:center;padding-top:72px;padding-bottom:80px}
  .hero-actions{justify-content:center}
  .hero-visual{order:-1}
  .hero-visual img{width:min(260px,60%)}
  .hero.compact .container{text-align:left}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps,.stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .main-nav{
    position:fixed;inset:72px 0 auto 0;
    flex-direction:column;gap:0;align-items:stretch;
    background:var(--ink);border-bottom:1px solid var(--line-dark);
    padding:12px 24px 24px;
    transform:translateY(-130%);transition:transform .3s ease;
  }
  .main-nav.open{transform:translateY(0)}
  .main-nav a{padding:14px 0;border-bottom:1px solid var(--line-dark);font-size:1rem}
  .main-nav .nav-cta{margin-top:18px;justify-content:center}
  .nav-toggle{display:flex}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .section{padding:64px 0}
}
@media (max-width:520px){
  .steps,.stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cookie-banner{left:12px;right:12px;bottom:12px}
}