/* One Ring Labs — stile "consulenza": blu notte, bianco, un solo accento. Titoli serif, linee sottili, angoli netti.
   Per cambiare i colori basta modificare le variabili qui sotto. */
:root{
  --navy:#0a1f3c;        /* colore principale (hero, footer, bande scure) */
  --navy-2:#13315c;
  --accent:#2f6bff;      /* unico colore di accento */
  --accent-2:#8fb2ff;    /* accento chiaro, per sfondi scuri */
  --ink:#0f1a2b;
  --muted:#5a6679;
  --paper:#ffffff;
  --soft:#f2f5f9;        /* sfondo alternato */
  --card:#ffffff;
  --line:#d9dfe8;
  --radius:3px;
  --max:1180px;
  --serif:"Source Serif 4","Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans:"Inter","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--ink);background:var(--paper);
  font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit}
img{max-width:100%}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.015em;line-height:1.14;margin:0 0 .55em}
h1{font-size:clamp(2.3rem,5.6vw,4.4rem)}
h2{font-size:clamp(1.8rem,3.6vw,2.8rem)}
h3{font-size:1.3rem;line-height:1.25}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.center{text-align:center}
.muted{color:var(--muted)}
.kicker{display:block;font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:1.3rem}
.lead{font-size:clamp(1.08rem,1.6vw,1.3rem);line-height:1.55;max-width:36em}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--max);margin:0 auto;display:flex;align-items:center;gap:22px;padding:0 28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:12px;font-family:var(--serif);font-size:1.25rem;font-weight:600;text-decoration:none;letter-spacing:-.01em;margin-right:auto;color:var(--navy)}
.logo i{width:20px;height:20px;border-radius:50%;border:2px solid var(--navy);display:inline-block;position:relative}
.logo i::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--accent)}
.menu{display:flex;align-items:center;gap:8px}
.menu a:not(.btn){font-size:.92rem;font-weight:500;text-decoration:none;padding:26px 12px;color:var(--ink);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .2s,border-color .2s}
.menu a:not(.btn):hover{color:var(--accent)}
.menu a.active{border-bottom-color:var(--accent);color:var(--navy)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:8px 14px;font:inherit;font-size:.9rem;cursor:pointer}

/* switch lingua */
.lang-switch{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.lang-switch a{font-size:.76rem;font-weight:600;letter-spacing:.08em;text-decoration:none;padding:7px 11px;color:var(--muted);transition:background .2s,color .2s}
.lang-switch a:hover{color:var(--navy)}
.lang-switch a[aria-current="true"]{background:var(--navy);color:#fff}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:12px;padding:15px 28px;border:1px solid var(--navy);border-radius:var(--radius);
  background:transparent;color:var(--navy);text-decoration:none;font:inherit;font-size:.92rem;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:background .2s,color .2s,border-color .2s;
}
.btn:hover{background:var(--navy);color:#fff}
.btn.dark{background:var(--navy);color:#fff}
.btn.dark:hover{background:var(--accent);border-color:var(--accent)}
.btn.arrow::after{content:"→";transition:transform .25s var(--ease)}
.btn.arrow:hover::after{transform:translateX(4px)}
.btn.nav-cta{padding:10px 20px;font-size:.86rem;background:var(--navy);color:#fff}
.btn.nav-cta:hover{background:var(--accent);border-color:var(--accent)}
.btn.light{border-color:rgba(255,255,255,.7);color:#fff}
.btn.light:hover{background:#fff;color:var(--navy)}
.btn.accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.accent:hover{background:#fff;border-color:#fff;color:var(--navy)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.center .btn-row{justify-content:center}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;min-height:88vh;display:flex;align-items:center;padding:150px 0 100px}
.hero.short{min-height:0;padding:160px 0 90px}
.hero .wrap{position:relative;z-index:1;width:100%}
.hero h1{max-width:14em;margin-bottom:.45em;color:#fff}
.hero.short h1{font-size:clamp(2rem,4.6vw,3.5rem);max-width:17em}
.hero .lead{margin-bottom:2.2rem;color:rgba(255,255,255,.82)}
.hero .kicker{color:var(--accent-2)}
.hero .btn.dark{background:var(--accent);border-color:var(--accent)}
.hero .btn.dark:hover{background:#fff;border-color:#fff;color:var(--navy)}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--navy) 35%,rgba(10,31,60,0) 100%),radial-gradient(circle at 85% 40%,var(--navy-2),var(--navy) 60%);z-index:0}
.rings{position:absolute;right:-10vmin;top:50%;width:min(92vmin,860px);aspect-ratio:1;transform:translateY(-50%);pointer-events:none;z-index:0}
.hero.short .rings{width:min(70vmin,600px);right:-8vmin}
.rings span{position:absolute;border-radius:50%;border:1px solid rgba(143,178,255,.35)}
.rings span:nth-child(1){inset:0}
.rings span:nth-child(2){inset:13%;border-color:rgba(143,178,255,.28)}
.rings span:nth-child(3){inset:26%;border-color:rgba(143,178,255,.22)}
.rings span:nth-child(4){inset:39%;border:0;background:rgba(47,107,255,.16)}
.rings i{position:absolute;inset:13%;animation:spin 40s linear infinite}
.rings i::before{content:"";position:absolute;top:-5px;left:50%;width:10px;height:10px;margin-left:-5px;border-radius:50%;background:var(--accent-2)}
.rings i.b{inset:26%;animation-duration:26s;animation-direction:reverse}
.rings i.b::before{width:8px;height:8px;margin-left:-4px;top:-4px;background:#fff}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- sezioni ---------- */
section{padding:104px 0}
.big{font-family:var(--serif);font-size:clamp(1.8rem,3.8vw,3rem);line-height:1.18;letter-spacing:-.015em;font-weight:500;max-width:20em;color:var(--navy)}
.big .muted{display:block}

.cols-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--navy);border-radius:var(--radius);padding:34px;transition:box-shadow .3s,border-top-color .3s}
.card:hover{box-shadow:0 14px 34px rgba(10,31,60,.09);border-top-color:var(--accent)}
.card.tint{background:var(--soft)}
.card.dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.card.dark p{color:rgba(255,255,255,.78)}
.card .num{display:block;font-family:var(--serif);font-size:1.1rem;color:var(--accent);margin-bottom:2.4rem}
.card h3{font-size:1.5rem;margin-bottom:.5em;color:var(--navy)}
.card p:last-child{margin-bottom:0}
.tag{display:inline-block;font-size:.76rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}

/* costi vivi */
.cost-panel{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(32px,5vw,72px);position:relative;border-radius:var(--radius)}
.cost-panel h2{max-width:14em;color:var(--navy)}
.cost-panel .card{background:#fff}

/* perché noi */
.value{padding:8px 0;border-top:1px solid var(--line);padding-top:26px}
.value .ico{position:relative;width:52px;height:52px;margin-bottom:22px}
.value .ico b{position:absolute;border-radius:50%}
.value .ico b:nth-child(1){inset:0;border:1.5px solid var(--navy)}
.value .ico b:nth-child(2){inset:14px;border:1.5px solid var(--accent)}
.value .ico b:nth-child(3){inset:23px;background:var(--accent)}
.value.v2 .ico b:nth-child(3){background:var(--navy)}
.value.v3 .ico b:nth-child(1){border-radius:0;inset:0;border-width:0 0 1.5px 0}
.value.v3 .ico b:nth-child(2){border-radius:0;inset:8px 8px 14px;border-width:0 0 1.5px 1.5px}
.value.v3 .ico b:nth-child(3){inset:auto 4px 4px auto;width:14px;height:14px}
.value h3{font-size:1.4rem;color:var(--navy)}
.value p{color:var(--muted)}

/* CTA finale */
.cta-card{background:var(--navy);color:#fff;border-radius:var(--radius);padding:clamp(40px,6vw,84px);position:relative;overflow:hidden}
.cta-card>*{position:relative;z-index:1}
.cta-card h2{max-width:14em;color:#fff}
.cta-card p{color:rgba(255,255,255,.78);max-width:32em;margin-bottom:2rem}
.cta-card::after{content:"";position:absolute;z-index:0;right:-120px;bottom:-120px;width:380px;aspect-ratio:1;border-radius:50%;border:1px solid rgba(143,178,255,.4);box-shadow:0 0 0 46px rgba(143,178,255,.06),0 0 0 47px rgba(143,178,255,.3),0 0 0 92px rgba(143,178,255,.04)}
.cta-card .btn.dark{background:var(--accent);border-color:var(--accent)}
.cta-card .btn.dark:hover{background:#fff;border-color:#fff;color:var(--navy)}

/* ---------- soluzioni ---------- */
.panel-box{background:var(--soft);border-left:3px solid var(--accent);border-radius:var(--radius);padding:clamp(28px,5vw,60px);position:relative}
.panel-box h2{max-width:18em;color:var(--navy)}

.usecases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.usecase{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--navy);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;gap:14px}
.usecase h3{margin:0;font-size:1.35rem;color:var(--navy)}
.usecase>p{color:var(--muted);margin:0;font-size:.97rem}
.mini{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin:8px 0 0}
.flow{list-style:none;margin:0;padding:0;display:grid;gap:8px;counter-reset:s}
.flow li{counter-increment:s;display:flex;align-items:center;gap:12px;background:var(--soft);border-radius:var(--radius);padding:10px 14px;font-size:.9rem;line-height:1.3}
.flow li::before{content:counter(s);flex:none;width:24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:.74rem}
.impact{display:grid;gap:8px}
.impact div{display:flex;align-items:baseline;gap:10px;border-top:1px solid var(--line);padding-top:10px;font-size:.92rem;line-height:1.35}
.impact b{font-family:var(--serif);font-size:1.6rem;font-weight:600;color:var(--accent);white-space:nowrap}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:48px}
.step{border-top:1px solid var(--line);padding-top:22px}
.step .n{display:block;font-family:var(--serif);font-size:2.6rem;line-height:1;font-weight:400;color:var(--accent);margin-bottom:20px}
.step h3{margin-bottom:.4em;color:var(--navy)}
.step p{font-size:.95rem;color:var(--muted)}
.mantra{font-family:var(--serif);font-size:clamp(1.4rem,2.8vw,2.1rem);margin-top:56px;color:var(--navy);border-left:3px solid var(--accent);padding-left:24px}
.mantra span{color:var(--muted)}

/* ---------- azienda ---------- */
.dark-band{background:var(--navy-2);color:#fff;margin:0;padding:104px 0}
.dark-band .kicker{color:var(--accent-2)}
.dark-band .grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.dark-band h2{position:sticky;top:120px;color:#fff}
.dark-band p{font-size:1.1rem;color:rgba(255,255,255,.8);margin-bottom:1.4em}
.dark-band p:first-of-type{font-family:var(--serif);font-size:1.5rem;color:#fff;line-height:1.4}
.leaders{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px}
.person{display:flex;gap:20px;align-items:center}
.card .person{align-items:flex-start}
.avatar{flex:none;width:88px;height:88px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-size:1.6rem;font-weight:500}
.avatar.sm{width:56px;height:56px;font-size:1.05rem}
.person h3{margin:0}
.person .role{color:var(--muted);margin:.1em 0 .5em;font-size:.95rem}
.person a{font-size:.85rem;color:var(--accent);text-underline-offset:3px}
.experts h3{margin:64px 0 4px}
.experts .cols-3{margin-top:20px}
.experts .card{padding:22px}
.experts .person{align-items:center}

/* ---------- contatti ---------- */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:start}
.contact-info{padding:40px}
.contact-info h2{font-size:1.9rem}
.contact-info p{margin-bottom:.5em}
.contact-info a{text-underline-offset:4px;color:var(--accent)}
form.contact{display:grid;grid-template-columns:1fr 1fr;gap:22px 24px}
form.contact label{display:block;font-size:.74rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
form.contact input,form.contact textarea{
  width:100%;margin-top:8px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  font:inherit;font-size:1rem;color:var(--ink);padding:13px 15px;text-transform:none;letter-spacing:0;font-weight:400;transition:border-color .2s,box-shadow .2s;
}
form.contact textarea{min-height:160px;resize:vertical}
form.contact input:focus,form.contact textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,107,255,.18)}
form.contact .full{grid-column:1/-1}
form.contact .consent{display:flex;gap:12px;align-items:flex-start;font-size:.88rem;text-transform:none;letter-spacing:0;font-weight:400;color:var(--ink)}
form.contact .consent input{width:auto;margin-top:4px;accent-color:var(--accent)}
.hp{position:absolute;left:-9999px}
.form-msg{grid-column:1/-1;font-size:.95rem;margin:0}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#fff;margin-top:104px;padding:72px 0 0;overflow:hidden;font-size:.92rem}
.foot{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}
.foot h4{margin:0 0 14px;font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.foot a{display:block;text-decoration:none;padding:4px 0;color:rgba(255,255,255,.88)}
.foot a:hover{color:var(--accent-2)}
.foot .brand{font-family:var(--serif);font-size:1.5rem;margin-bottom:.4em}
.foot .brand-sub{color:rgba(255,255,255,.6)}
.legal{margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.55);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.legal a{display:inline;color:inherit;text-decoration:underline}
.wordmark{display:none}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .usecases{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .dark-band .grid,.contact-grid{grid-template-columns:1fr}
  .dark-band h2{position:static}
}
@media (max-width:760px){
  body{font-size:16px}
  section{padding:68px 0}
  .wrap{padding:0 20px}
  .nav-inner{padding:0 16px;height:64px;gap:12px}
  .menu{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--line);padding:10px 16px 18px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 20px 40px rgba(10,31,60,.12)}
  .menu.open{display:flex}
  .menu a:not(.btn){padding:14px 4px;border-bottom:1px solid var(--line);margin:0}
  .menu a.active{border-bottom-color:var(--line);color:var(--accent)}
  .menu .btn{justify-content:center;margin-top:12px}
  .burger{display:block}
  .lang-switch{margin-left:auto}
  .logo{margin-right:0;font-size:1.1rem}
  .hero{min-height:0;padding:120px 0 80px}
  .hero.short{padding:120px 0 60px}
  .rings{right:-50vmin;opacity:.6;width:110vmin}
  .hero.short .rings{width:90vmin;right:-45vmin}
  .cols-2,.cols-3,.leaders,.foot{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  form.contact{grid-template-columns:1fr}
  .contact-info{padding:12px 6px}
  .dark-band{padding:68px 0}
  .cta-card::after{width:240px;right:-110px;bottom:-110px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}

/* ---------- v2: schede pacchetto e ingressi ---------- */
a.card.entry{display:block;text-decoration:none;color:inherit}
.entry .go{display:inline-block;margin-top:1.2rem;font-size:.9rem;font-weight:600;color:var(--accent)}
.entry:hover .go{text-decoration:underline}
.entry h3{font-size:1.35rem}
.usecase p{margin:0}
.usecase .quote{font-family:var(--serif);font-style:italic;font-size:1.05rem;color:var(--muted)}
.usecase{scroll-margin-top:96px}
.card .mini{margin-top:14px}
.card .mini:first-of-type{margin-top:6px}
.dark-band .btn.light{border-color:rgba(255,255,255,.7)}