/* ===========================================================
   Aristeo Lab — AI per la Scuola | AI4SI
   Design system "Palette B" — light, warm, scholarly
   Sibling of impresa.ai4si.it (light + trustworthy family),
   own character: forest green + amber, serif headings.
   =========================================================== */

:root{
  /* surfaces */
  --paper:#FAF6EF;        /* warm cream body */
  --surface:#FFFFFF;
  --surface-2:#F3EDE1;    /* alt section */
  --ink:#16211B;          /* near-black green for dark bands */
  --header-bg:#0E1422;    /* matches the logo background exactly */

  /* text */
  --text:#1E2A24;
  --muted:#5C665F;
  --on-dark:#E8EDE9;
  --on-dark-dim:#9FB0A6;

  /* brand */
  --green:#2E6B4E;
  --green-deep:#1F4D38;
  --green-soft:#E6F0EA;
  --amber:#C8843A;
  --amber-deep:#A9692A;
  --amber-soft:#F6E7D2;

  /* lines / shadows */
  --border:#E7DECF;
  --border-2:#DFD4C0;
  --shadow-sm:0 1px 2px rgba(20,30,25,.05),0 2px 8px rgba(20,30,25,.04);
  --shadow:0 6px 18px rgba(20,30,25,.07),0 2px 6px rgba(20,30,25,.05);
  --shadow-lg:0 22px 50px rgba(20,30,25,.13);

  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;

  --font-head:'Spectral',Georgia,'Times New Roman',serif;
  --font-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;

  --wrap:1180px;
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-deep)}

img{max-width:100%;display:block}

.ico{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-0.14em;flex-shrink:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;justify-content:center;
  font-family:var(--font-body);font-weight:600;font-size:1rem;
  padding:.78em 1.5em;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  line-height:1;text-align:center;white-space:nowrap;
}
.btn .ico{font-size:1.15em}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(46,107,78,.22)}
.btn-primary:hover{background:var(--green-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(46,107,78,.3)}
.btn-amber{background:var(--amber);color:#fff;box-shadow:0 8px 20px rgba(200,132,58,.25)}
.btn-amber:hover{background:var(--amber-deep);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--green-deep);border-color:var(--border-2)}
.btn-ghost:hover{border-color:var(--green);color:var(--green-deep);background:var(--green-soft)}
.btn-on-dark{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-on-dark:hover{background:rgba(255,255,255,.16);color:#fff}
.btn-lg{font-size:1.06rem;padding:.95em 1.9em}
.btn-sm{font-size:.9rem;padding:.6em 1.1em}

/* ---------- Topbar trust ---------- */
.topbar{background:var(--green-deep);color:var(--on-dark)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:9px;padding-bottom:9px}
.tb-trust{display:flex;gap:22px;flex-wrap:wrap;font-size:.82rem;font-weight:500}
.tb-trust span{display:inline-flex;align-items:center;gap:7px;color:#D7E6DD}
.tb-trust .ico{color:#9FD3B6;font-size:1.05em}
.tb-note{font-size:.82rem;color:#BBD4C5;display:inline-flex;align-items:center;gap:7px}
.tb-note .ico{color:#E7B587}
@media(max-width:860px){.tb-note{display:none}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:1000;background:var(--header-bg);border-bottom:1px solid rgba(255,255,255,.06)}
.site-header.scrolled{box-shadow:0 8px 30px rgba(10,15,25,.35)}
.site-header nav{max-width:var(--wrap);margin:0 auto;padding:12px 28px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center}
.brand img{height:46px;width:auto}
.nav-links{list-style:none;display:flex;align-items:center;gap:26px;margin:0}
.nav-links a{color:var(--on-dark-dim);font-size:.94rem;font-weight:500}
.nav-links a:hover{color:#fff}
.nav-cta{color:#fff !important}
.nav-ebook{display:inline-flex !important;align-items:center;gap:8px;color:#fff !important;font-weight:700;letter-spacing:.06em}
.nav-ebook:hover .nav-ebook-free{background:var(--amber-deep)}
.nav-ebook-free{background:var(--amber);color:#fff;font-size:.64rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;padding:3px 9px;border-radius:999px;box-shadow:0 4px 12px rgba(200,132,58,.35);line-height:1;transition:background .2s ease}
.menu-btn{display:none}
@media(max-width:920px){
  .site-header nav{flex-wrap:wrap;row-gap:0}
  .nav-links{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 20px;width:100%;margin-top:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.08)}
  .nav-links a{font-size:.92rem}
}
@media(max-width:520px){
  .nav-links{gap:10px 14px}
  .nav-links a{font-size:.86rem}
}

/* ---------- Concept band (Aristeo / Apollo) ---------- */
.concept{background:var(--ink);color:var(--on-dark);position:relative;overflow:hidden}
.concept .wrap{display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:center;padding-top:46px;padding-bottom:46px}
.concept-mark{width:104px;height:104px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,rgba(200,132,58,.28),rgba(200,132,58,0) 70%);border:1px solid rgba(200,132,58,.35)}
.concept-mark .ico{font-size:54px;color:var(--amber)}
.concept .eyebrow{color:var(--amber)}
.concept h2{font-family:var(--font-head);font-weight:600;font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.18;color:#fff;margin:8px 0 12px}
.concept p{color:var(--on-dark-dim);font-size:1.02rem;max-width:760px}
.concept p strong{color:#fff;font-weight:600}
@media(max-width:680px){.concept .wrap{grid-template-columns:1fr;gap:20px;text-align:left}}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--paper) 0%,#FBF8F2 100%);position:relative}
.hero .wrap{padding-top:64px;padding-bottom:60px;max-width:960px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green)}
.eyebrow .ico{font-size:1.1em}
.hero .eyebrow{background:var(--green-soft);padding:7px 15px;border-radius:999px;margin-bottom:22px}
.hero h1{font-family:var(--font-head);font-weight:700;font-size:clamp(2.4rem,5.4vw,4rem);line-height:1.08;letter-spacing:-.01em;color:var(--ink);text-wrap:balance}
.hero h1 .accent{color:var(--green);font-style:italic;font-weight:600}
.hero-sub{font-size:clamp(1.08rem,2vw,1.32rem);color:var(--muted);max-width:680px;margin:22px auto 0;text-wrap:pretty}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.hero-chips{display:flex;gap:10px 14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.hero-ask{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--green-deep);font-weight:600;font-size:.96rem;text-decoration:none}
.hero-ask .ico{color:var(--amber-deep);font-size:1.1em}
.hero-ask:hover{color:var(--green);text-decoration:underline}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:8px 15px;font-size:.86rem;font-weight:500;color:var(--text);box-shadow:var(--shadow-sm)}
.chip .ico{color:var(--green);font-size:1.05em}

/* ---------- Sections ---------- */
.section{padding:72px 0}
.section--alt{background:var(--surface-2)}
.section--white{background:var(--surface)}
.section--ink{background:var(--ink);color:var(--on-dark)}
.shead{max-width:720px;margin:0 auto 44px;text-align:center}
.shead .eyebrow{margin-bottom:12px}
.shead h2{font-family:var(--font-head);font-weight:700;font-size:clamp(1.9rem,3.6vw,2.7rem);line-height:1.14;color:var(--ink);letter-spacing:-.01em;text-wrap:balance}
.section--ink .shead h2{color:#fff}
.shead p{color:var(--muted);font-size:1.08rem;margin-top:14px;text-wrap:pretty}
.section--ink .shead p{color:var(--on-dark-dim)}

/* ---------- Quattro SÌ ---------- */
.si-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:980px){.si-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.si-grid{grid-template-columns:1fr}}
.si-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;position:relative}
.si-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--border-2)}
.si-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.si-num{font-family:var(--font-head);font-weight:700;font-size:1.5rem;color:#fff;background:var(--green);width:48px;height:48px;border-radius:13px;display:grid;place-items:center;flex-shrink:0}
.si-card:nth-child(2) .si-num{background:var(--amber)}
.si-card:nth-child(3) .si-num{background:var(--green-deep)}
.si-card:nth-child(4) .si-num{background:var(--amber-deep)}
.si-title{font-family:var(--font-body);font-weight:700;font-size:1.06rem;color:var(--ink);letter-spacing:.01em}
.si-card p{color:var(--muted);font-size:.96rem;line-height:1.66}

/* ---------- Services grid ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media(max-width:780px){.svc-grid{grid-template-columns:1fr}}
.svc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;position:relative;overflow:hidden}
.svc::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--green);transform:scaleY(0);transform-origin:top;transition:transform .3s ease}
.svc:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--border-2)}
.svc:hover::before{transform:scaleY(1)}
.svc-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.svc-ic{width:52px;height:52px;border-radius:14px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;flex-shrink:0}
.svc-ic .ico{font-size:26px}
.svc.amber .svc-ic{background:var(--amber-soft);color:var(--amber-deep)}
.svc.amber::before{background:var(--amber)}
.svc h3{font-family:var(--font-head);font-weight:600;font-size:1.3rem;color:var(--ink);line-height:1.2}
.svc-badge{display:inline-block;background:var(--amber);color:#fff;font-size:.64rem;font-weight:800;letter-spacing:.08em;padding:3px 8px;border-radius:6px;vertical-align:middle;margin-left:8px;text-transform:uppercase}
.svc .desc{color:var(--muted);font-size:.98rem;margin-bottom:16px}
.svc .why{background:var(--green-soft);border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:16px}
.svc.amber .why{background:var(--amber-soft)}
.svc .why strong{display:block;color:var(--ink);font-size:.92rem;margin-bottom:3px}
.svc .why span{color:var(--muted);font-size:.9rem}
.svc-feats{list-style:none;margin:0 0 20px;display:grid;gap:9px}
.svc-feats li{display:flex;align-items:flex-start;gap:9px;font-size:.94rem;color:var(--text)}
.svc-feats .ico{color:var(--green);font-size:1.05em;margin-top:.2em}
.svc.amber .svc-feats .ico{color:var(--amber-deep)}
.svc .svc-cta{margin-top:auto}

/* ---------- Incontro gratuito (feature panel) ---------- */
.incontro{background:linear-gradient(150deg,var(--ink) 0%,#1B2A22 100%);color:var(--on-dark);border-radius:var(--radius-lg);padding:48px 44px;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.incontro::after{content:"";position:absolute;top:-60px;right:-40px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(200,132,58,.22),transparent 70%);pointer-events:none}
.incontro-tag{display:inline-flex;align-items:center;gap:9px;background:rgba(200,132,58,.14);border:1px solid rgba(200,132,58,.4);color:#E7B587;padding:7px 16px;border-radius:999px;font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px}
.incontro-tag .step{color:#9FD3B6;font-weight:700}
.incontro h2{font-family:var(--font-head);font-weight:700;font-size:clamp(1.8rem,3.5vw,2.6rem);line-height:1.14;color:#fff;margin-bottom:12px;text-wrap:balance}
.incontro h2 .accent{color:#9FD3B6;font-style:italic;font-weight:600}
.incontro .lead{font-size:1.12rem;color:#CFE0D6;font-weight:500;margin-bottom:18px}
.incontro .intro{color:var(--on-dark-dim);font-size:1.02rem;line-height:1.75;max-width:780px;margin-bottom:30px}
.incontro .intro strong{color:#fff;font-weight:600}
.incontro-benefits{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 30px;list-style:none;margin-bottom:34px}
@media(max-width:720px){.incontro-benefits{grid-template-columns:1fr}.incontro{padding:34px 24px}}
.incontro-benefits li{display:flex;align-items:flex-start;gap:12px;color:var(--on-dark-dim);font-size:.98rem;line-height:1.5}
.incontro-benefits li b{color:#fff;font-weight:600}
.incontro-benefits .check{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;margin-top:1px}
.incontro-benefits .check .ico{font-size:14px;stroke-width:2.5}
.incontro-cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;padding-top:28px;border-top:1px solid rgba(255,255,255,.12)}
.incontro-note{color:var(--on-dark-dim);font-size:.9rem;max-width:340px;line-height:1.5}
.incontro-note b{color:#E7B587}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq details[open]{border-color:var(--green);box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;font-size:1.03rem;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{width:22px;height:22px;flex-shrink:0;position:relative;color:var(--green)}
.faq summary .plus::before,.faq summary .plus::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .25s ease}
.faq summary .plus::before{top:10px;left:3px;width:16px;height:2px}
.faq summary .plus::after{top:3px;left:10px;width:2px;height:16px}
.faq details[open] summary .plus::after{transform:rotate(90deg);opacity:0}
.faq details p{padding:0 22px 20px;color:var(--muted);font-size:.98rem;line-height:1.7;margin:0}
.faq details p a{font-weight:600}

/* ---------- Contact form ---------- */
.form-section{padding:72px 0}
.form-wrap{max-width:680px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:42px 40px;box-shadow:var(--shadow)}
@media(max-width:560px){.form-wrap{padding:30px 22px}}
.form-group{margin-bottom:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:520px){.form-row{grid-template-columns:1fr}}
label{display:block;margin-bottom:7px;font-weight:600;font-size:.9rem;color:var(--text)}
label .optional{color:var(--muted);font-weight:400;font-size:.82rem}
.required{color:var(--amber-deep);font-weight:700}
.form-wrap input[type=text],.form-wrap input[type=tel],.form-wrap input[type=email],.form-wrap textarea{
  width:100%;padding:.85em 1.05em;background:#FCFAF6;border:1.5px solid var(--border-2);border-radius:var(--radius-sm);
  color:var(--text);font-size:1rem;font-family:var(--font-body);transition:border-color .2s ease,box-shadow .2s ease;
}
.form-wrap textarea{min-height:120px;resize:vertical}
.form-wrap input:focus,.form-wrap textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(46,107,78,.12);background:#fff}
.form-wrap input::placeholder,.form-wrap textarea::placeholder{color:#A8AEA6}
.btn-submit{width:100%;margin-top:6px;background:var(--green);color:#fff;border:none;border-radius:999px;padding:1em;font-size:1.05rem;font-weight:600;font-family:var(--font-body);cursor:pointer;transition:background .2s ease,transform .15s ease}
.btn-submit:hover{background:var(--green-deep);transform:translateY(-1px)}
.btn-submit:disabled{opacity:.6;cursor:not-allowed;transform:none}
.form-consent{display:flex;align-items:flex-start;gap:.65rem;margin:4px 0 16px;font-size:.88rem;color:var(--muted);line-height:1.5}
.form-consent input{margin-top:.18rem;width:18px;height:18px;flex-shrink:0;accent-color:var(--green);cursor:pointer}
.form-consent label{font-weight:400;font-size:.88rem;color:var(--muted);margin:0;cursor:pointer}
.form-msg{display:none;margin-top:16px;padding:.9rem 1.1rem;border-radius:var(--radius-sm);font-size:.94rem;line-height:1.5}
.form-msg.success{display:block;background:var(--green-soft);border:1px solid var(--green);color:var(--green-deep)}
.form-msg.error{display:block;background:#FBEAE2;border:1px solid #E2A07F;color:#A9522A}

/* ---------- Ebook CTA banner ---------- */
.ebook-banner{max-width:860px;margin:0 auto;background:linear-gradient(135deg,var(--amber-soft),#FBF1E1);border:1px solid var(--border-2);border-radius:var(--radius-lg);padding:46px 40px;text-align:center}
.ebook-banner h3{font-family:var(--font-head);font-weight:700;font-size:clamp(1.5rem,3vw,2rem);color:var(--ink);margin-bottom:10px;text-wrap:balance}
.ebook-banner p{color:var(--muted);margin-bottom:24px;font-size:1.04rem}
.ebook-banner p strong{color:var(--amber-deep)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark-dim);padding:56px 0 30px}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
@media(max-width:760px){.f-grid{grid-template-columns:1fr;gap:28px}}
.f-grid h4{color:#fff;font-family:var(--font-head);font-weight:600;font-size:1.1rem;margin-bottom:14px}
.f-grid p{font-size:.94rem;line-height:1.7}
.f-grid ul{list-style:none}
.f-grid li{margin-bottom:9px}
.f-grid a{color:var(--on-dark-dim);font-size:.94rem}
.f-grid a:hover{color:#9FD3B6}
.f-brand strong{color:#fff}
.f-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:.82rem;line-height:1.7;color:var(--on-dark-dim)}
.f-bottom a{color:#9FD3B6}
.f-legal{color:#8FA197;font-size:.8rem}
.f-legal a{color:#9FD3B6}
.f-signature{text-align:left;font-size:.82rem;color:#9FD3B6;line-height:1.6;margin-top:10px}

/* ---------- Cookie banner ---------- */
.cookie-banner{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:9500;width:min(960px,calc(100% - 32px));background:#fff;border:1px solid var(--border-2);border-radius:var(--radius);padding:16px 22px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.cookie-banner[hidden]{display:none}
.cb-msg{flex:1 1 320px;font-size:.9rem;color:var(--muted);line-height:1.5}
.cb-actions{display:flex;gap:10px;flex-wrap:wrap}
.cb-btn{padding:.6rem 1.4rem;border-radius:999px;font-weight:600;font-size:.9rem;cursor:pointer;border:1.5px solid transparent;font-family:var(--font-body)}
.cb-deny{background:transparent;border-color:var(--border-2);color:var(--text)}
.cb-deny:hover{border-color:var(--green);color:var(--green-deep)}
.cb-ok{background:var(--green);color:#fff;border:none}
.cb-ok:hover{background:var(--green-deep)}

/* ---------- Modal (ebook multi-step) — light ---------- */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(22,33,27,.55);backdrop-filter:blur(6px);z-index:9000;align-items:center;justify-content:center;padding:1rem}
.modal-overlay.active{display:flex;animation:fadeIn .25s ease}
.modal-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:470px;padding:38px 32px;position:relative;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}
.modal-close{position:absolute;top:14px;right:18px;background:none;border:none;color:var(--muted);font-size:1.6rem;cursor:pointer;line-height:1}
.modal-close:hover{color:var(--ink)}
.modal-progress{display:flex;gap:8px;justify-content:center;margin-bottom:26px}
.progress-dot{width:9px;height:9px;border-radius:50%;background:var(--border-2);transition:all .3s ease}
.progress-dot.active{background:var(--green);transform:scale(1.25)}
.progress-dot.done{background:var(--green-deep)}
.modal-step{display:none}
.modal-step.active{display:block;animation:stepIn .3s ease}
.modal-step-header{text-align:center;margin-bottom:24px}
.modal-step-tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green);margin-bottom:8px}
.modal-step-title{font-family:var(--font-head);font-weight:700;font-size:1.5rem;color:var(--ink);margin-bottom:5px}
.modal-step-desc{color:var(--muted);font-size:.95rem}
.modal-input-wrap{margin-bottom:16px}
.modal-label{display:block;margin-bottom:7px;font-weight:600;font-size:.88rem;color:var(--text)}
.modal-input{width:100%;padding:.9em 1.1em;background:#FCFAF6;border:1.5px solid var(--border-2);border-radius:var(--radius-sm);color:var(--text);font-size:1.02rem;font-family:var(--font-body);transition:border-color .2s ease,box-shadow .2s ease;outline:none}
.modal-input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(46,107,78,.12);background:#fff}
.modal-input.error{border-color:#D9774A;box-shadow:0 0 0 3px rgba(217,119,74,.12)}
select.modal-input{appearance:none;-webkit-appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235C665F' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1.05em center;padding-right:2.6em}
.modal-row{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
@media(max-width:440px){.modal-row{grid-template-columns:1fr}}
.modal-box{max-height:90vh;overflow-y:auto}
#step-thanks .btn{margin:0 auto}
.modal-input::placeholder{color:#A8AEA6}
.input-error-msg{display:none;font-size:.82rem;color:#A9522A;margin-top:5px}
.input-error-msg.visible{display:block}
.modal-privacy-note{font-size:.78rem;color:var(--muted);line-height:1.45;margin:0 0 14px;text-align:center}
.btn-modal-next{width:100%;padding:.95em;background:var(--amber);border:none;border-radius:999px;color:#fff;font-size:1.02rem;font-weight:600;font-family:var(--font-body);cursor:pointer;transition:background .2s ease,transform .15s ease}
.btn-modal-next:hover{background:var(--amber-deep);transform:translateY(-1px)}
.btn-modal-next:disabled{opacity:.6;cursor:not-allowed;transform:none}
.modal-thankyou{display:none;text-align:center}
.modal-thankyou.active{display:block;animation:stepIn .35s ease}
.thankyou-ic{width:64px;height:64px;border-radius:50%;background:var(--green-soft);color:var(--green);display:grid;place-items:center;margin:0 auto 16px;animation:pop .4s ease}
.thankyou-ic .ico{font-size:34px;stroke-width:2.5}
.thankyou-title{font-family:var(--font-head);font-weight:700;font-size:1.5rem;color:var(--green-deep);margin-bottom:10px}
.thankyou-text{color:var(--muted);line-height:1.7;font-size:.98rem;margin-bottom:18px}
.thankyou-text strong{color:var(--ink)}
.btn-modal-close-final{padding:.75em 1.8em;background:var(--green-soft);border:1px solid var(--green);border-radius:999px;color:var(--green-deep);font-size:.95rem;font-weight:600;cursor:pointer;font-family:var(--font-body)}
.btn-modal-close-final:hover{background:#D8E8DF}

/* ---------- Legal pages ---------- */
.doc{max-width:820px;margin:0 auto;padding:54px 28px 80px}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.doc h1{font-family:var(--font-head);font-weight:700;font-size:clamp(2rem,4vw,2.6rem);color:var(--ink);margin:8px 0 6px;line-height:1.14}
.doc .updated{color:var(--muted);font-size:.92rem;margin-bottom:24px}
.doc h2{font-family:var(--font-head);font-weight:600;font-size:1.35rem;color:var(--green-deep);margin:30px 0 10px}
.doc p{margin-bottom:14px;color:var(--text)}
.doc ul{margin:0 0 14px 1.2rem}
.doc li{margin-bottom:7px;color:var(--text)}
.doc .callout{border-left:4px solid var(--amber);background:var(--amber-soft);padding:16px 20px;border-radius:var(--radius-sm);margin:22px 0;color:var(--text)}

/* ---------- Jumpbar ---------- */
.jumpbar{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.jumpbar .wrap{display:flex;align-items:center;gap:10px 18px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.jumpbar .jb-label{font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.jumpbar a{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;font-weight:600;color:var(--green-deep);text-decoration:none}
.jumpbar a:hover{color:var(--amber-deep)}

/* ---------- In 5 punti ---------- */
.def5{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface)}
@media(max-width:900px){.def5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.def5{grid-template-columns:1fr}}
.def5 .d{padding:26px 22px;border-right:1px solid var(--border)}
.def5 .d:last-child{border-right:none}
@media(max-width:900px){.def5 .d{border-bottom:1px solid var(--border)}}
.def5 .d-ic{width:42px;height:42px;border-radius:11px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;margin-bottom:12px}
.def5 .d-ic .ico{font-size:21px}
.def5 .d:nth-child(even) .d-ic{background:var(--amber-soft);color:var(--amber-deep)}
.def5 h3{font-family:var(--font-body);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.def5 p{font-size:.95rem;color:var(--text);line-height:1.6;margin:0}
.def5 p strong{color:var(--ink)}

/* ---------- Comparativa ---------- */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:720px){.vs{grid-template-columns:1fr}}
.vs-col{border-radius:var(--radius-lg);padding:30px 28px;border:1px solid var(--border)}
.vs-altri{background:var(--surface-2)}
.vs-noi{background:var(--ink);border-color:var(--ink)}
.vs-col h3{font-family:var(--font-head);font-size:1.25rem;margin-bottom:18px}
.vs-altri h3{color:var(--muted)}
.vs-noi h3{color:#fff}
.vs-col ul{list-style:none;margin:0;display:grid;gap:12px}
.vs-col li{display:flex;align-items:flex-start;gap:11px;font-size:.97rem;line-height:1.5}
.vs-altri li{color:var(--muted)}
.vs-noi li{color:var(--on-dark)}
.vs-mark{flex-shrink:0;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;margin-top:1px}
.vs-altri .vs-mark{background:#E7D9C6;color:#A9522A}
.vs-noi .vs-mark{background:var(--green);color:#fff}
.vs-mark .ico{font-size:13px;stroke-width:2.6}

/* ---------- Risorse ---------- */
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:720px){.res-grid{grid-template-columns:1fr}}
.res{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column}
.res-ic{width:52px;height:52px;border-radius:14px;background:var(--amber-soft);color:var(--amber-deep);display:grid;place-items:center;margin-bottom:14px}
.res-ic .ico{font-size:26px}
.res h3{font-family:var(--font-head);font-size:1.3rem;color:var(--ink);margin-bottom:8px}
.res p{color:var(--muted);font-size:.97rem;margin-bottom:18px}
.res .btn{margin-top:auto;align-self:flex-start}

/* ---------- Chiedi a un'AI ---------- */
.askai{max-width:820px;margin:30px auto 0;background:var(--ink);border-radius:var(--radius-lg);padding:32px 30px;color:var(--on-dark)}
.askai h3{font-family:var(--font-head);color:#fff;font-size:1.3rem;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.askai h3 .ico{color:#9FD3B6}
.askai>p{color:var(--on-dark-dim);font-size:.98rem;margin-bottom:16px}
.askai-prompt{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:14px 16px;font-size:.92rem;color:#D7E6DD;line-height:1.55}
.askai .row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.askai-copy{display:inline-flex;align-items:center;gap:8px;background:var(--green);color:#fff;border:none;border-radius:999px;padding:.6em 1.3em;font-weight:600;font-size:.9rem;font-family:var(--font-body);cursor:pointer}
.askai-copy:hover{background:var(--green-deep)}
.askai .small{font-size:.86rem;color:var(--on-dark-dim)}
.askai .small a{color:#9FD3B6}

/* ---------- Internal pages ---------- */
.page-hero{background:linear-gradient(180deg,var(--paper),#FBF8F2);padding:44px 0 6px}
.page-hero .crumbs{margin-bottom:14px}
.page-hero .eyebrow{margin-bottom:12px}
.page-hero h1{font-family:var(--font-head);font-weight:700;font-size:clamp(2.1rem,4.4vw,3.1rem);color:var(--ink);line-height:1.1;letter-spacing:-.01em;text-wrap:balance}
.page-hero p{color:var(--muted);font-size:1.12rem;max-width:700px;margin-top:14px;text-wrap:pretty}
.dur{display:inline-flex;align-items:center;gap:6px;background:var(--amber-soft);color:var(--amber-deep);font-size:.78rem;font-weight:700;padding:4px 11px;border-radius:999px;letter-spacing:.02em;align-self:flex-start;margin-bottom:12px}
.dur .ico{font-size:1.05em}
.inforow{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.cta-band{background:linear-gradient(150deg,var(--green-deep),var(--green));color:#fff;border-radius:var(--radius-lg);padding:48px 40px;text-align:center;box-shadow:var(--shadow-lg)}
.cta-band h2{font-family:var(--font-head);font-weight:700;font-size:clamp(1.7rem,3.4vw,2.4rem);color:#fff;margin-bottom:10px;text-wrap:balance}
.cta-band p{color:rgba(255,255,255,.86);font-size:1.06rem;max-width:600px;margin:0 auto 26px}
.detail-link{display:inline-flex;align-items:center;gap:6px;color:var(--green-deep);font-weight:600;font-size:.92rem;margin-left:14px}
.detail-link:hover{color:var(--green)}
.svc-cta{display:flex;align-items:center;flex-wrap:wrap;gap:6px}

/* ---------- Animations ---------- */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes stepIn{from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:translateX(0)}}
@keyframes pop{0%{transform:scale(0);opacity:0}60%{transform:scale(1.15);opacity:1}100%{transform:scale(1)}}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}


/* ---------- Domain switcher (AI4SI hierarchy) ---------- */
.brand-lockup{display:flex;flex-direction:column;gap:4px;align-items:flex-start}
.domain-switch{display:flex;align-items:center;gap:5px;font-size:.7rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase}
.domain-switch a{text-decoration:none;padding:2px 9px;border-radius:999px;line-height:1.6;color:var(--on-dark-dim);transition:background .15s,color .15s}
.domain-switch .ds-hub{color:var(--on-dark)}
.domain-switch .ds-hub:hover{color:#fff;background:rgba(255,255,255,.12)}
.domain-switch .ds-current{background:rgba(255,255,255,.16);color:#fff}
.domain-switch .ds-alt{background:rgba(22,102,224,.95);color:#fff}
.domain-switch .ds-alt:hover{background:#1666E0;color:#fff}
.domain-switch .ds-sep{padding:0 2px;color:var(--on-dark-dim)}