:root{
  --ink:#0f1f1c;
  --ink-soft:#54655f;
  --bg:#f6faf8;
  --card:#ffffff;
  --accent:#0e8f72;
  --accent-dark:#086952;
  --accent-soft:#dff3ec;
  --blue:#2f6fed;
  --border:#e2ece7;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;overflow-x:hidden;}
h1,h2,h3,.brand{font-family:'Poppins',sans-serif;}
a{color:inherit;text-decoration:none;}
.container{max-width:1160px;margin:0 auto;padding:0 24px;}

/* header */
header{position:sticky;top:0;z-index:150;background:rgba(246,250,248,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);}
.nav{display:flex;align-items:center;justify-content:space-between;padding-top:18px;padding-bottom:18px;}
.brand{font-weight:700;font-size:1.4rem;color:var(--accent-dark);display:flex;align-items:center;gap:8px;margin-right:40px;}
.brand span{color:var(--blue);}
.nav ul{gap:32px;list-style:none;}
.nav ul a{font-weight:500;font-size:.95rem;color:var(--ink-soft);transition:color .2s;}
.nav ul a:hover,.nav ul a.active{color:var(--accent);}
.btn{display:inline-block;padding:12px 26px;border-radius:999px;font-weight:600;font-size:.95rem;transition:transform .15s, box-shadow .15s;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(14,143,114,.25);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(14,143,114,.32);}
.btn-ghost{border:1.5px solid var(--border);color:var(--ink);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.navcta{display:none;}
@media(min-width:860px){.navcta{display:inline-block;}}
.navlinks{display:none;}
@media(min-width:860px){.navlinks{display:flex;}}

/* hamburger + mobile menu */
.hamburger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;border:none;background:none;cursor:pointer;padding:0;margin-left:12px;}
@media(min-width:860px){.hamburger{display:none;}}
.hamburger span{display:block;width:100%;height:2.5px;background:var(--ink);border-radius:2px;transition:transform .2s, opacity .2s;}
.hamburger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg);}
.mobile-menu{display:none;position:fixed;top:0;right:0;bottom:0;width:min(300px,80vw);z-index:100;background:var(--card);box-shadow:-10px 0 40px rgba(0,0,0,.15);padding:100px 28px 28px;flex-direction:column;}
.mobile-menu.open{display:flex;}
.mobile-menu ul{list-style:none;display:flex;flex-direction:column;gap:4px;}
.mobile-menu ul a{display:block;padding:14px 4px;font-weight:600;font-size:1.05rem;color:var(--ink);border-bottom:1px solid var(--border);}
.mobile-menu ul a.active{color:var(--accent);}
@media(min-width:860px){.mobile-menu{display:none !important;}}
.mobile-menu-backdrop{display:none;position:fixed;inset:0;background:rgba(10,20,18,.4);z-index:90;}
.mobile-menu-backdrop.open{display:block;}
@media(min-width:860px){.mobile-menu-backdrop{display:none !important;}}

/* page header (non-home pages) */
.page-hero{padding:32px 0 24px;text-align:center;}
.page-hero .eyebrow{margin-bottom:16px;}
.page-hero h1{font-size:2.3rem;font-weight:700;margin-bottom:14px;}
.page-hero p{color:var(--ink-soft);font-size:1.05rem;max-width:640px;margin:0 auto;}
@media(max-width:600px){.page-hero{padding:20px 0 16px;}}

/* hero (home) */
.hero{padding:96px 0 80px;position:relative;overflow:hidden;}
@media(max-width:600px){.hero{padding:36px 0 48px;}}
.hero::before{content:"";position:absolute;top:-120px;right:-160px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,var(--accent-soft) 0%, transparent 70%);}
.hero-grid{display:grid;grid-template-columns:1fr;gap:48px;position:relative;}
.hero-grid > *{min-width:0;}
@media(min-width:960px){.hero-grid{grid-template-columns:1.1fr .9fr;align-items:center;}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);color:var(--accent-dark);padding:6px 16px;border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:20px;}
.hero h1{font-size:2.6rem;line-height:1.15;font-weight:700;margin-bottom:22px;}
@media(min-width:640px){.hero h1{font-size:3.2rem;}}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero p.lead{font-size:1.15rem;color:var(--ink-soft);margin-bottom:34px;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;}
.hero-visual{background:linear-gradient(160deg,var(--accent) 0%, var(--accent-dark) 100%);border-radius:28px;padding:36px;color:#fff;position:relative;box-shadow:0 30px 60px -20px rgba(8,105,82,.45);}
.hero-visual .stat{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.18);}
.hero-visual .stat:last-child{border-bottom:none;}
.hero-visual .stat b{font-size:1.6rem;display:block;font-family:'Poppins',sans-serif;text-align:right;}
.hero-visual .stat span{font-size:.85rem;opacity:.85;flex-shrink:0;}
@media(max-width:480px){
  .hero-visual .stat{flex-direction:column;align-items:flex-start;gap:4px;}
  .hero-visual .stat b{font-size:1.3rem;text-align:left;}
}

.trust{padding:28px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.trust .container{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:center;color:var(--ink-soft);font-size:.9rem;}
.trust strong{color:var(--ink);}

section{padding:88px 0;}
@media(max-width:600px){section{padding:56px 0;}}
.section-head{max-width:640px;margin:0 auto 56px;text-align:center;}
.section-head .eyebrow{margin-bottom:16px;}
.section-head h2{font-size:2.1rem;font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--ink-soft);font-size:1.05rem;}

.features{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:700px){.features{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.features{grid-template-columns:repeat(3,1fr);}}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:32px;transition:transform .2s, box-shadow .2s;}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -20px rgba(15,31,28,.15);}
.feature-icon{width:52px;height:52px;border-radius:14px;background:var(--accent-soft);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:18px;}
.feature-card h3{font-size:1.15rem;margin-bottom:10px;}
.feature-card p{color:var(--ink-soft);font-size:.95rem;}

.how{background:var(--card);}
.steps{display:grid;grid-template-columns:1fr;gap:32px;counter-reset:step;}
@media(min-width:860px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{position:relative;padding-top:52px;}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:0;left:0;width:40px;height:40px;border-radius:12px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Poppins',sans-serif;font-weight:700;}
.step h3{font-size:1.05rem;margin-bottom:8px;}
.step p{color:var(--ink-soft);font-size:.92rem;}

.ai-callout{display:flex;gap:24px;align-items:flex-start;background:linear-gradient(135deg,#eaf1ff,var(--accent-soft));border:1px solid var(--border);border-radius:24px;padding:36px;margin-top:56px;}
@media(max-width:640px){.ai-callout{flex-direction:column;}}
.ai-callout .ai-icon{width:56px;height:56px;border-radius:16px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0;}
.ai-callout h3{font-size:1.2rem;margin-bottom:8px;}
.ai-callout p{color:var(--ink-soft);font-size:.95rem;}

.security-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:860px){.security-grid{grid-template-columns:repeat(4,1fr);}}
.security-item{text-align:center;padding:20px;}
.security-item .n{font-family:'Poppins',sans-serif;font-weight:700;font-size:1.8rem;color:var(--accent-dark);}
.security-item p{color:var(--ink-soft);font-size:.9rem;margin-top:6px;}

.cta{background:linear-gradient(135deg,var(--accent-dark),var(--accent));border-radius:28px;padding:64px 40px;text-align:center;color:#fff;}
.cta h2{font-size:2rem;margin-bottom:16px;font-family:'Poppins',sans-serif;}
.cta p{opacity:.9;max-width:520px;margin:0 auto 32px;}
.cta .btn-primary{background:#fff;color:var(--accent-dark);box-shadow:none;}
.cta .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,0,0,.2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;}

.whatsapp-float{
  position:fixed;bottom:24px;right:24px;z-index:60;
  width:58px;height:58px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.25);transition:transform .2s;
}
.whatsapp-float:hover{transform:scale(1.08);}
@media(max-width:600px){.whatsapp-float{width:52px;height:52px;bottom:18px;right:18px;}}

footer{padding:56px 0 32px;color:var(--ink-soft);font-size:.9rem;}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;padding-bottom:32px;border-bottom:1px solid var(--border);margin-bottom:24px;}
.footer-brand{font-family:'Poppins',sans-serif;font-weight:700;color:var(--ink);font-size:1.2rem;}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap;}
.footer-cols h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink);margin-bottom:14px;}
.footer-cols li{list-style:none;margin-bottom:8px;}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:760px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;}
.faq-question{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-weight:600;font-size:1rem;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit;}
.faq-icon{font-size:1.3rem;color:var(--accent);flex-shrink:0;}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-answer.open{max-height:400px;}
.faq-answer p{padding:0 24px 20px;color:var(--ink-soft);font-size:.95rem;}

/* contatti */
.contact-layout{display:flex;flex-direction:column;gap:32px;}
@media(min-width:860px){.contact-layout{flex-direction:row;}}
.contact-info{flex:1;}
.contact-info h3{margin-bottom:12px;}
.contact-info p{color:var(--ink-soft);margin-bottom:20px;}
.contact-box{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:28px;flex:1;}

@media(prefers-color-scheme:dark){
  :root{--ink:#eef5f2; --ink-soft:#a9beb6; --bg:#0c1614; --card:#12201d; --border:#213531; --accent-soft:#173229;}
  header{background:rgba(12,22,20,.85);}
  .cta .btn-primary{color:var(--accent-dark);}
}