/* =============== base =============== */
:root{
  --ink:#0B1020; --surf:#141C33; --surf2:#101728; --line:#26314F;
  --fg:#EAEEF7; --mut:#8D9BB8; --amb:#F2BA41; --blu:#5E9CE8;
  --shell:min(1180px, 100% - 56px);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--ink); color:var(--fg);
  font-family:'IBM Plex Sans',system-ui,sans-serif; font-size:17px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(110% 60% at 80% -6%, rgba(94,156,232,.16), transparent 62%),
    radial-gradient(80% 50% at 0% 12%, rgba(242,186,65,.07), transparent 60%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:-.025em;margin:0}
p{margin:0 0 1.1em}
:focus-visible{outline:3px solid var(--amb);outline-offset:3px;border-radius:3px}
.wrap{width:var(--shell);margin-inline:auto}
.narrow{width:min(760px, 100% - 56px);margin-inline:auto}
.mono{font-family:'IBM Plex Mono',monospace;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amb)}
.mono.q{color:var(--mut)}
.skip{position:absolute;left:-9999px;top:0;background:var(--amb);color:#15192B;padding:12px 20px;font-weight:600;z-index:200}
.skip:focus{left:12px;top:12px}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}

/* =============== nav =============== */
header{position:sticky;top:0;z-index:100;background:rgba(11,16,32,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 0}
.brand{display:flex;align-items:center;gap:11px}
.brand img{height:30px;width:21px;object-fit:cover;object-position:left center;flex:none}
.brand b{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:.07em;font-size:1rem}
nav ul{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
nav a{color:var(--mut);font-size:.93rem;transition:color .15s}
nav a:hover{color:var(--fg)}
nav a[aria-current="page"]{color:var(--fg)}
nav .btn{color:#15192B}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:7px;color:var(--fg);padding:9px 11px;cursor:pointer}
.menu-btn svg{display:block}

.btn{display:inline-block;font-weight:600;font-size:.95rem;padding:14px 26px;border-radius:8px;background:var(--amb);color:#15192B;
  transition:transform .15s,box-shadow .15s;border:1px solid var(--amb);cursor:pointer;font-family:inherit}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,186,65,.26)}
.btn.sm{padding:10px 20px;font-size:.9rem}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--blu);box-shadow:none}

/* =============== hero =============== */
.hero{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center;padding:92px 0 100px}
.hero h1{font-size:clamp(2.7rem,5.6vw,4.2rem);line-height:1.02;margin:22px 0}
.hero h1 em{font-style:normal;color:var(--amb)}
.hero .lede{color:var(--mut);font-size:1.12rem;max-width:34em}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
/* elemento-firma: la passata di pulizia che attraversa il render */
.frame{position:relative;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.frame img{width:100%;height:auto}
.sweep{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(100deg,transparent 42%,rgba(242,186,65,.5) 49%,rgba(255,255,255,.9) 50%,rgba(242,186,65,.5) 51%,transparent 58%);
  transform:translateX(-100%);animation:sw 7s cubic-bezier(.6,0,.3,1) infinite}
@keyframes sw{0%{transform:translateX(-100%)}55%{transform:translateX(100%)}100%{transform:translateX(100%)}}
.cap{font-family:'IBM Plex Mono',monospace;font-size:.71rem;color:var(--mut);letter-spacing:.09em;margin-top:12px;text-align:right}

/* =============== sezioni =============== */
section{padding:88px 0;border-top:1px solid var(--line);scroll-margin-top:70px}
section h2{font-size:clamp(1.85rem,3.5vw,2.6rem);line-height:1.1;margin:16px 0 22px;max-width:18ch}
section .sub{color:var(--mut);max-width:52ch}
.band{background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012))}

.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:52px}
.trio .cell{border:1px solid var(--line);border-radius:12px;padding:28px;background:var(--surf2)}
.trio h3{font-size:1.12rem;margin:14px 0 10px}
.trio p{color:var(--mut);font-size:.97rem;margin:0}

/* video, click-to-play: niente autoplay */
.video{margin-top:52px;position:relative;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surf2)}
.video .ratio{position:relative;padding-top:56.25%}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video .poster{position:absolute;inset:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  border:0;cursor:pointer;color:var(--fg);font-family:'IBM Plex Sans',sans-serif;font-size:.95rem;gap:14px;
  background:linear-gradient(180deg,rgba(11,16,32,.55),rgba(11,16,32,.75)), url("poster.webp") center/cover no-repeat}
.video .poster:hover .play{background:var(--amb);color:#15192B;transform:scale(1.06)}
.video .poster span:last-child{text-shadow:0 1px 12px rgba(11,16,32,.9)}
.play{width:60px;height:60px;border-radius:50%;background:rgba(255,255,255,.1);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;transition:.18s}

/* dati */
.data{display:grid;grid-template-columns:.86fr 1.14fr;gap:60px;align-items:center}
.stat{font-family:'Space Grotesk',sans-serif;font-size:5rem;line-height:1;color:var(--amb);letter-spacing:-.045em;margin-top:26px}
.statlab{font-family:'IBM Plex Mono',monospace;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);margin-top:10px;max-width:26em;line-height:1.7}
.plotcard{background:#fff;border-radius:12px;padding:16px;border:1px solid var(--line)}
.plotcard img{width:100%;height:auto}

/* confronto */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:52px}
.col{border:1px solid var(--line);border-radius:12px;padding:30px;background:var(--surf2)}
.col.us{border-color:rgba(242,186,65,.4);background:linear-gradient(180deg,rgba(242,186,65,.07),rgba(255,255,255,.01))}
.col h3{font-size:1.05rem;margin-bottom:20px}
.col.us h3{color:var(--amb)}
.col ul{list-style:none;margin:0;padding:0}
.col li{padding:13px 0 13px 26px;border-top:1px solid var(--line);position:relative;color:var(--mut);font-size:.97rem}
.col li:first-child{border-top:0}
.col.us li{color:var(--fg)}
.col li::before{content:"";position:absolute;left:2px;top:21px;width:9px;height:9px;border-radius:2px;background:var(--line)}
.col.us li::before{background:var(--amb)}

/* team */
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:52px}
.person{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surf2)}
.person img{width:100%;height:auto;aspect-ratio:4/3.6;object-fit:cover;object-position:center 16%;filter:grayscale(1) contrast(1.04);background:#EDEFF3}
.person .body{padding:24px}
.person h3{font-size:1.1rem;margin-bottom:4px}
.person .role{font-family:'IBM Plex Mono',monospace;font-size:.71rem;letter-spacing:.11em;text-transform:uppercase;color:var(--amb);margin-bottom:12px}
.person p{color:var(--mut);font-size:.94rem;margin:0}

/* faq */
.faq{margin-top:46px;max-width:820px}
details{border-top:1px solid var(--line)}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:22px 44px 22px 0;position:relative;
  font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:1.08rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:8px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--mut);border-bottom:2px solid var(--mut);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s}
details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
details[open] summary{color:var(--amb)}
details .ans{color:var(--mut);padding:0 40px 26px 0;max-width:60ch}
details .ans p:last-child{margin-bottom:0}

/* contatti */
.paths{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:52px}
.path{border:1px solid var(--line);border-radius:14px;padding:34px;background:var(--surf2);display:flex;flex-direction:column}
.path h3{font-size:1.25rem;margin:12px 0 12px}
.path p{color:var(--mut);font-size:.97rem}
.path .btn{align-self:flex-start;margin-top:auto}

/* =============== pagine form =============== */
.page-head{padding:76px 0 8px}
.page-head h1{font-size:clamp(2.1rem,4.4vw,3.1rem);line-height:1.06;margin:18px 0 20px;max-width:17ch}
.page-head .lede{color:var(--mut);font-size:1.08rem;max-width:52ch}
.back{display:inline-block;color:var(--mut);font-size:.9rem;margin-bottom:6px;transition:color .15s}
.back:hover{color:var(--amb)}

.form{margin:44px 0 96px;border:1px solid var(--line);border-radius:16px;background:var(--surf2);padding:40px}
.form fieldset{border:0;margin:0 0 34px;padding:0}
.form fieldset:last-of-type{margin-bottom:26px}
.form legend{font-family:'IBM Plex Mono',monospace;font-size:.73rem;letter-spacing:.15em;text-transform:uppercase;color:var(--amb);padding:0 0 18px}
.field{margin-bottom:22px}
.field > label{display:block;font-size:.94rem;font-weight:500;margin-bottom:8px}
.field .hint{display:block;color:var(--mut);font-size:.85rem;font-weight:400;margin-top:3px}
.opt{color:var(--mut);font-weight:400}
input[type=text],input[type=email],input[type=tel],input[type=number],input[type=month],textarea,select{
  width:100%;background:rgba(11,16,32,.7);border:1px solid var(--line);border-radius:9px;
  color:var(--fg);font-family:inherit;font-size:1rem;padding:13px 15px;transition:border-color .15s,box-shadow .15s}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--blu);box-shadow:0 0 0 3px rgba(94,156,232,.18)}
input:focus-visible,textarea:focus-visible,select:focus-visible{outline:0}
input::placeholder,textarea::placeholder{color:#5C6785}
textarea{min-height:130px;resize:vertical}
/* label di altezza diversa: subgrid allinea gli input sulla stessa riga */
.two-up{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;grid-template-rows:auto auto auto;margin-bottom:22px}
.two-up .field{display:grid;grid-template-rows:subgrid;grid-row:span 3;align-content:start;margin-bottom:0}
.choices{display:grid;gap:10px}
.choice{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:9px;padding:14px 16px;
  cursor:pointer;background:rgba(11,16,32,.45);transition:border-color .15s,background .15s}
.choice:hover{border-color:var(--blu)}
.choice input{margin:0;width:18px;height:18px;accent-color:var(--amb);flex:none}
.choice span{font-size:.95rem}
.choice:has(input:checked){border-color:var(--amb);background:rgba(242,186,65,.07)}
.consent{display:flex;align-items:flex-start;gap:12px;color:var(--mut);font-size:.9rem;margin:6px 0 26px}
.consent input{margin:2px 0 0;width:18px;height:18px;accent-color:var(--amb);flex:none}
.form .btn{width:auto}
.required{color:var(--amb)}
.err{color:#FF9B8A;font-size:.86rem;margin-top:7px;display:none}
.field.invalid input,.field.invalid textarea{border-color:#FF9B8A}
.field.invalid .err{display:block}

.done{display:none;text-align:center;padding:26px 0 10px}
.done h2{font-size:1.7rem;margin-bottom:14px}
.done p{color:var(--mut);max-width:44ch;margin-inline:auto}
.done .tick{width:64px;height:64px;border-radius:50%;background:rgba(242,186,65,.14);border:1px solid rgba(242,186,65,.5);
  display:flex;align-items:center;justify-content:center;margin:0 auto 24px;color:var(--amb)}
form[hidden]+.done,.done.show{display:block}

/* footer */
footer{border-top:1px solid var(--line);padding:56px 0 44px;background:var(--surf2)}
footer .row{display:flex;justify-content:space-between;align-items:flex-start;gap:36px;flex-wrap:wrap}
footer .brand b{font-size:.95rem}
footer .tag{color:var(--mut);font-size:.93rem;margin-top:14px}
footer nav ul{flex-direction:column;align-items:flex-start;gap:12px}
footer .legal{color:#5C6785;font-size:.8rem;margin-top:44px;border-top:1px solid var(--line);padding-top:22px}

/* =============== responsive =============== */
@media (max-width:980px){
  :root{--shell:min(1180px, 100% - 40px)}
  .narrow{width:min(760px, 100% - 40px)}
  .hero{grid-template-columns:1fr;gap:44px;padding:60px 0 68px}
  .data{grid-template-columns:1fr;gap:38px}
  .trio,.team,.vs,.paths{grid-template-columns:1fr;gap:18px}
  .two-up{display:block;margin-bottom:0}
  .two-up .field{display:block;margin-bottom:22px}
  section{padding:64px 0}
  nav{position:fixed;inset:61px 0 auto;background:var(--ink);border-bottom:1px solid var(--line);
      display:none;padding:10px 0 22px}
  nav[data-open="true"]{display:block}
  nav ul{flex-direction:column;align-items:stretch;gap:0;width:var(--shell);margin-inline:auto}
  nav li{border-top:1px solid var(--line)}
  nav li a{display:block;padding:16px 2px;font-size:1rem}
  nav li:last-child{border-top:0;margin-top:16px}
  nav .btn{display:block;text-align:center;padding:14px}
  .menu-btn{display:block}
  footer nav{position:static;display:block;padding:0;border:0;background:none}
  footer nav ul{width:auto;margin:0;gap:2px}
  footer nav li{border:0}
  footer nav li a{display:inline-block;padding:9px 0}
  footer .row{flex-direction:column;gap:26px}
  .page-head{padding:52px 0 4px}
  .form{padding:26px 22px;margin:32px 0 72px}
}
@media (max-width:600px){
  body{font-size:16px}
  .stat{font-size:3.6rem}
  .path,.col,.trio .cell{padding:24px}
}