/* gambini.tech — portale IT, stile gambini.group */
:root{
  --blue:#056ed6; --blue-light:#3697f7; --blue-dark:#005eba; --blue-deep:#0a3d73;
  --ink:#27282a; --text:#3b3d40; --muted:#6b6e73; --line:#e3e5e8;
  --bg:#ffffff; --bg-soft:#f3f4f6; --dark:#16171a;
  --radius:14px; --max:1160px;
  --font:"Nunito Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg-soft);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{color:var(--ink);line-height:1.15}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.3em;text-transform:uppercase;color:var(--blue)}

/* Header */
header.site{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:16px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:38px;width:auto}
.logo span{font-size:.72rem;font-weight:700;letter-spacing:.25em;text-transform:uppercase;color:var(--blue);border-left:1px solid var(--line);padding-left:12px}
.head-actions{display:flex;align-items:center;gap:18px}
.head-actions a.help{font-size:.9rem;font-weight:600;color:var(--text)}
.head-actions a.help:hover{color:var(--blue)}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang button{font:inherit;font-size:.78rem;font-weight:700;letter-spacing:.08em;border:0;background:#fff;color:var(--muted);padding:7px 13px;cursor:pointer}
.lang button[aria-pressed=true]{background:var(--blue);color:#fff}

/* Hero */
.hero{background:linear-gradient(115deg,var(--blue-deep) 0%,var(--blue-dark) 45%,var(--blue-light) 100%);color:#fff;position:relative;overflow:hidden}
/* Foto delle linee in dissolvenza sullo sfondo */
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;animation:heroFade 24s infinite;transform:scale(1.06)}
.hero-bg img:nth-child(1){animation-delay:0s}
.hero-bg img:nth-child(2){animation-delay:6s}
.hero-bg img:nth-child(3){animation-delay:12s}
.hero-bg img:nth-child(4){animation-delay:18s}
@keyframes heroFade{0%{opacity:0;transform:scale(1.06)}6%{opacity:1}25%{opacity:1}31%{opacity:0;transform:scale(1)}100%{opacity:0}}
.hero:before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(105deg,rgba(10,40,80,.94) 0%,rgba(0,94,186,.78) 50%,rgba(54,151,247,.45) 100%)}
.hero:after{content:"";position:absolute;right:-120px;top:-120px;width:460px;height:460px;border-radius:50%;border:1px solid rgba(255,255,255,.15);box-shadow:0 0 0 70px rgba(255,255,255,.04),0 0 0 140px rgba(255,255,255,.03);z-index:1}
.hero .wrap{position:relative;z-index:2;padding-top:96px;padding-bottom:150px}
@media (prefers-reduced-motion:reduce){.hero-bg img{animation:none}.hero-bg img:first-child{opacity:1}}
.hero .eyebrow{color:#a9d5ff}
.hero h1{color:#fff;font-weight:200;font-size:clamp(2.2rem,5vw,3.6rem);margin:12px 0 16px;max-width:760px}
.hero h1 strong{font-weight:700}
.hero p{font-size:1.15rem;color:#dcebff;max-width:600px}

/* Cards */
.downloads{margin-top:-72px;position:relative;z-index:2;padding-bottom:70px}
.group-title{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:0 0 18px;flex-wrap:wrap}
.group-title h2{font-size:1.5rem;font-weight:300}
.group-title p{color:var(--muted);font-size:.95rem}
.group-title.on-blue h2{color:#fff}
.group-title.on-blue p{color:#dcebff}
.grid{display:grid;gap:22px;margin-bottom:46px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;gap:14px;box-shadow:0 10px 30px rgba(10,61,115,.06);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(10,61,115,.12)}
.card .top{display:flex;gap:16px;align-items:center}
.ico{width:56px;height:56px;border-radius:14px;background:#e8f2fd;display:grid;place-items:center;flex:0 0 56px}
.ico svg{width:28px;height:28px;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.3rem;font-weight:600}
.card .sub{font-size:.75rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.card p{color:var(--muted);font-size:.97rem;flex:1}
.btns{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.55em;padding:.7em 1.25em;border-radius:999px;font-weight:700;font-size:.85rem;letter-spacing:.04em;transition:.2s;border:1.5px solid var(--blue)}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}
.btn-ghost{color:var(--blue);background:#fff}
.btn-ghost:hover{background:#e8f2fd}

/* Links */
.links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.link{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;display:flex;flex-direction:column;gap:4px;transition:.2s}
.link:hover{border-color:var(--blue-light);box-shadow:0 10px 26px rgba(10,61,115,.08)}
.link b{color:var(--ink);font-size:1.02rem;display:flex;justify-content:space-between;align-items:center;gap:8px}
.link b:after{content:"→";color:var(--blue);transition:transform .2s}
.link:hover b:after{transform:translateX(4px)}
.link small{color:var(--muted);font-size:.85rem}
.badge{align-self:flex-start;margin-top:6px;font-size:.66rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-dark);background:#e8f2fd;border-radius:999px;padding:3px 9px}

/* Help */
.help-band{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 34px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.help-band h2{font-size:1.4rem;font-weight:300}
.help-band p{color:var(--muted)}
.steps{list-style:none;counter-reset:s;display:grid;gap:6px;margin-top:10px}
.steps li{counter-increment:s;color:var(--text);font-size:.95rem}
.steps li:before{content:counter(s);display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--blue);color:#fff;font-size:.72rem;font-weight:700;margin-right:10px}

/* Footer */
footer.site{background:var(--dark);color:#aeb2b8;padding:34px 0;font-size:.85rem}
footer.site .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
footer.site a:hover{color:#fff}
footer.site .claim{color:#fff;font-weight:300;font-size:1.05rem}

[data-lang-en]{display:none}
html[lang=en] [data-lang-it]{display:none}
html[lang=en] [data-lang-en]{display:revert}

@media (max-width:900px){
  .grid.three{grid-template-columns:1fr 1fr}
  .links{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .grid.two,.grid.three,.links{grid-template-columns:1fr}
  .hero .wrap{padding-top:50px;padding-bottom:100px}
  .card{padding:24px}
  .head-actions a.help{display:none}
  .logo span{display:none}
  .help-band{padding:24px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}