/* =========================
   STYLE.CSS — Dimatech / Frigorista Bologna (v4 - grafica upgrade)
   Fix inclusi:
   - CTA "Contatto" visibile (Safari): .menu a.menu-cta (specificità + !important)
   - WhatsApp floating button (visibile)
   - FAQ details/summary
   - focus-visible accessibilità
========================= */

:root{
  --bg:#070b14;
  --panel:#0f172a;
  --text:#e6edf6;
  --muted:#a7b4c6;
  --accent:#2bb3ff;
  --accent2:#00d4ff;
  --ok:#22c55e;
  --warn:#f59e0b;
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.06);
  --shadow:0 18px 60px rgba(0,0,0,.55);
  --shadow2:0 10px 40px rgba(0,0,0,.32);
  --radius:18px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}

body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Arial,sans-serif;
  background:
    radial-gradient(1200px 800px at 15% 0%, rgba(43,179,255,.20), transparent 60%),
    radial-gradient(900px 600px at 85% 10%, rgba(0,212,255,.13), transparent 55%),
    radial-gradient(700px 480px at 50% 95%, rgba(34,197,94,.06), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  text-rendering:optimizeLegibility;
}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}

/* Focus/accessibilità */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, summary:focus-visible{
  outline:2px solid rgba(0,212,255,.55);
  outline-offset:3px;
  border-radius:12px;
}

/* =========================
   TOP BAR PRO
========================= */
.topbar-pro{
  background:linear-gradient(90deg,#0ea5e9,#22d3ee);
  color:#02131f;
  text-align:center;
  font-weight:900;
  font-size:13px;
  padding:7px 10px;
  letter-spacing:.35px;
}

/* =========================
   HEADER / NAV + GLOW
========================= */
.topbar{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(7,11,20,.90);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line2);
  box-shadow:0 10px 28px rgba(0,0,0,.55);
}
.topbar::after{
  content:"";
  display:block;
  height:2px;
  background:linear-gradient(90deg, transparent, rgba(43,179,255,.95), rgba(0,212,255,.75), transparent);
  opacity:.72;
}

.nav{
  min-height:126px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:18px;
}

/* LOGO */
.logo-img{
  height:122px;
  width:auto;
  display:block;
  filter: drop-shadow(0 0 18px rgba(0,212,255,.35));
}

.brand-text strong{
  font-size:18px;
  display:block;
  line-height:1.1;
}
.sub{
  font-size:13px;
  color:var(--muted);
  margin-top:3px;
}

/* menu */
.menu{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.menu a{
  padding:10px 14px;
  border-radius:12px;
  font-size:14px;
  color:rgba(230,237,246,.80);
  border:1px solid transparent;
  background:rgba(255,255,255,.02);
  transition:background .15s ease, border-color .15s ease, transform .15s ease, color .15s ease;
}
.menu a:hover{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.12);
  transform:translateY(-1px);
  color:rgba(230,237,246,.92);
}

/* ✅ FIX DEFINITIVO CTA "Contatto" (Safari) */
.menu a.menu-cta{
  background:linear-gradient(135deg,var(--accent),var(--accent2)) !important;
  color:#02131f !important;
  font-weight:1000;
  border:none !important;
  box-shadow:0 16px 40px rgba(0,212,255,.18);
}
.menu a.menu-cta:hover{
  transform:translateY(-1px);
  box-shadow:0 18px 48px rgba(0,212,255,.22);
}

/* Stato attivo (se usi aria-current sulla pagina corrente) */
.menu a[aria-current="page"]:not(.menu-cta){
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.12);
  color:rgba(230,237,246,.92);
}
.menu a.menu-cta[aria-current="page"]{
  background:linear-gradient(135deg,var(--accent),var(--accent2)) !important;
  color:#02131f !important;
}

/* responsive header */
@media(max-width:900px){
  .nav{min-height:auto;flex-direction:column;align-items:flex-start;padding:12px 0}
  .menu{justify-content:flex-start}
  .logo-img{height:94px}
}

/* =========================
   HERO (cinematic)
========================= */
.hero{
  padding:58px 0 26px;
  position:relative;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 520px at 20% 18%, rgba(43,179,255,.14), transparent 62%),
    radial-gradient(760px 480px at 88% 22%, rgba(0,212,255,.11), transparent 62%);
  pointer-events:none;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:18px;
  align-items:stretch;
  position:relative;
}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}
}

.hero h1{
  font-size:50px;
  line-height:1.06;
  margin-bottom:14px;
  letter-spacing:-.8px;
}
.kicker{
  color:rgba(230,237,246,.78);
  margin-bottom:18px;
  font-size:16px;
  max-width:62ch;
}

/* buttons */
.cta-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:2px;
}

.btn{
  padding:14px 18px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  font-weight:950;
  display:inline-flex;
  align-items:center;
  gap:10px;
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 44px rgba(0,0,0,.40);
  border-color:rgba(0,212,255,.18);
}
.btn.primary{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border:none;
  color:#02131f;
}

/* pills */
.pills{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.pill{
  font-size:12px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  color:rgba(230,237,246,.90);
}

/* panel */
.panel{
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.panel::before{
  content:"";
  position:absolute;
  inset:-1px;
  background:radial-gradient(650px 220px at 30% 0%, rgba(0,212,255,.18), transparent 60%);
  pointer-events:none;
}
.panel-title{
  margin-bottom:12px;
  font-size:18px;
  color:var(--text);
  position:relative;
}
.panel-list{display:grid;gap:10px;position:relative}
.row{color:rgba(230,237,246,.78);font-size:14px}

.tag{
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:950;
  margin-right:8px;
  color:#02131f;
}
.tag.ok{background:#22c55e}
.tag.blue{background:#2bb3ff}
.tag.amber{background:#f59e0b}
.fineprint{
  margin-top:14px;
  font-size:12px;
  color:rgba(230,237,246,.70);
  position:relative;
}

/* =========================
   TRUST BAR
========================= */
.trustbar{
  margin:18px 0 8px;
  padding:16px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}
.trustbar .label{
  font-weight:950;
  color:var(--text);
  font-size:13px;
}
.trustbar .brands{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.brand-pill{
  padding:6px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:950;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.03);
}

/* =========================
   FEATURE STRIP
========================= */
.feature-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin:18px 0 10px;
}
@media(max-width:900px){.feature-strip{grid-template-columns:1fr}}
.feature{
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.03);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:0 10px 34px rgba(0,0,0,.22);
}
.feature .t{font-weight:950;margin-bottom:6px}
.feature .d{color:rgba(230,237,246,.74);font-size:14px}

/* =========================
   GRID / CARDS
========================= */
.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:18px;
  margin:30px 0 40px;
}
.card{
  grid-column:span 4;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  padding:20px;
  border-radius:var(--radius);
  box-shadow:var(--shadow2);
  transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease;
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;
  inset:-1px;
  background:radial-gradient(520px 180px at 25% 0%, rgba(43,179,255,.14), transparent 62%);
  opacity:.55;
  pointer-events:none;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(0,212,255,.20);
  box-shadow:0 18px 58px rgba(0,0,0,.40);
}
@media(max-width:900px){.card{grid-column:span 6}}
@media(max-width:600px){.card{grid-column:span 12}}

.badge{
  display:inline-block;
  margin-bottom:12px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:1000;
  background:#22c55e;
  color:#02131f;
  position:relative;
}
.badge.blue{background:#2bb3ff}
.badge.amber{background:#f59e0b}

.card h2{margin-bottom:10px;position:relative}
.card p{color:rgba(230,237,246,.74);font-size:14px;position:relative}
.link{
  display:inline-block;
  margin-top:12px;
  color:var(--accent);
  font-weight:950;
  position:relative;
}
.link:hover{text-decoration:underline}

/* =========================
   SECTIONS / LIST
========================= */
.section{margin:44px 0}
.section h2{margin-bottom:10px;font-size:30px}
.muted{color:rgba(230,237,246,.72)}

.list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-top:14px;
}
@media(max-width:700px){.list{grid-template-columns:1fr}}
.li{
  background:rgba(255,255,255,.04);
  padding:14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
}

/* =========================
   PROCESS + CTA BOX
========================= */
.process{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin-top:14px;
}
@media(max-width:900px){.process{grid-template-columns:1fr}}
.step{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:0 10px 34px rgba(0,0,0,.22);
}
.step .n{
  display:inline-block;
  font-weight:1000;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#02131f;
  border-radius:999px;
  padding:5px 10px;
  font-size:12px;
  margin-bottom:10px;
}
.step .t{font-weight:950;margin-bottom:6px}
.step .d{color:rgba(230,237,246,.74);font-size:14px}

.cta-box{
  margin:20px 0 0;
  padding:18px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.14);
  background:linear-gradient(135deg, rgba(43,179,255,.12), rgba(0,212,255,.07));
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  box-shadow:0 14px 46px rgba(0,0,0,.30);
}
.cta-box .left{font-weight:1000}
.cta-box .right{display:flex;gap:10px;flex-wrap:wrap}

/* =========================
   FAQ (details/summary)
========================= */
.faq{
  margin-top:12px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.03);
  overflow:hidden;
}
.faq summary{
  cursor:pointer;
  list-style:none;
  padding:14px 16px;
  font-weight:950;
  color:rgba(230,237,246,.92);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"＋";
  float:right;
  opacity:.8;
}
.faq[open] summary::after{content:"—"}
.faq p{
  padding:0 16px 14px 16px;
  color:rgba(230,237,246,.74);
}

/* =========================
   FOOTER
========================= */
.footer{
  margin-top:60px;
  padding:34px 0;
  border-top:1px solid rgba(255,255,255,.10);
  color:rgba(230,237,246,.70);
}
.foot-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.foot-grid{grid-template-columns:1fr}}

.foot-title{
  font-weight:950;
  margin-bottom:8px;
  color:var(--text);
}
.foot-text{font-size:13px;margin:2px 0;color:rgba(230,237,246,.70)}
.foot-link{
  display:block;
  margin-bottom:7px;
  font-size:14px;
  color:rgba(230,237,246,.70);
}
.foot-link:hover{color:var(--text);text-decoration:underline}
.foot-note{font-size:12px;color:rgba(230,237,246,.66);line-height:1.45}

.foot-bottom{
  margin-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  padding-top:14px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:12px;
}

.kws{opacity:0;height:0;overflow:hidden}

/* =========================
   CONTATTI — layout premium
========================= */
.contact-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:18px;
  margin-top:14px;
}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}

.contact-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:18px;
  padding:18px;
  box-shadow:0 10px 40px rgba(0,0,0,.28);
}

.contact-form label{
  display:block;
  font-size:12px;
  opacity:.85;
  margin-bottom:6px;
}
.contact-form input,
.contact-form select,
.contact-form textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(0,0,0,.18);
  color:var(--text);
  outline:none;
}
.contact-form textarea{min-height:110px;resize:vertical}

.f-row{margin-bottom:12px}
.f-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
@media(max-width:700px){.f-2{grid-template-columns:1fr}}

.chk{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13px;
  color:rgba(230,237,246,.78);
}
.chk input{margin-top:4px}

.form-note{
  margin-top:10px;
  font-size:12px;
  color:rgba(230,237,246,.70);
}

.contact-lines{
  display:grid;
  gap:10px;
  margin-top:10px;
}
.line{
  display:flex;
  justify-content:space-between;
  gap:10px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.03);
}
.line .k{color:rgba(230,237,246,.70);font-size:13px}
.line .v{font-weight:900}
.line .v a{
  color:var(--text);
  text-decoration:underline;
  text-decoration-color: rgba(0,212,255,.35);
}

/* =========================
   WhatsApp floating button
========================= */
.wa-float{
  position:fixed;
  bottom:20px;
  right:20px;
  width:60px;
  height:60px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  background:#25D366;
  color:#fff;
  text-decoration:none;
  box-shadow:0 4px 15px rgba(0,0,0,.25);
  z-index:9999;
  transition:transform .2s ease, box-shadow .2s ease;
}
.wa-float:hover{
  transform:scale(1.08);
  box-shadow:0 10px 28px rgba(0,0,0,.35);
}
@media(max-width:480px){
  .wa-float{bottom:16px;right:16px;width:56px;height:56px;font-size:24px}
}