/* =========================================================
   Ambro Servizi - Foglio di stile principale
   Palette blu aziendale. Modifica i colori qui sotto
   per cambiarli su tutto il sito in un colpo solo.
   ========================================================= */
:root{
  --blu-scuro:#1b2d7e;     /* navy/royal del logo (intestazione/footer) */
  --blu:#1c5fb0;           /* blu principale */
  --blu-chiaro:#1a91d4;    /* azzurro/cyan del logo (accento) */
  --azzurro:#eaf3fb;       /* sfondo tenue */
  --azzurro-bordo:#d2e6f5;
  --testo:#2b2b2b;
  --testo-soft:#555;
  --bianco:#ffffff;
  --ombra:0 2px 10px rgba(15,61,110,.08);
  --ombra-hover:0 6px 22px rgba(15,61,110,.16);
  --radius:10px;
  --max:1140px;
  --font:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--testo);
  line-height:1.6;background:var(--bianco);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blu);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.text-center{text-align:center}

/* ---------- Barra superiore ---------- */
.topbar{background:var(--blu-scuro);color:#cfe0f0;font-size:.86rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;
  gap:14px;min-height:38px;flex-wrap:wrap}
.topbar a{color:#fff}
.topbar .tb-right{display:flex;gap:18px}

/* ---------- Header / menu ---------- */
.site-header{background:var(--bianco);box-shadow:var(--ombra);position:sticky;top:0;z-index:50}
.site-header .container{display:flex;align-items:center;justify-content:space-between;
  min-height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand .logo{height:46px;width:auto}
.brand .brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand .brand-text strong{color:var(--blu-scuro);font-size:1.15rem;letter-spacing:.3px}
.brand .brand-text span{color:var(--blu-chiaro);font-size:.72rem;letter-spacing:2px;text-transform:uppercase}

.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{color:var(--blu-scuro);font-weight:600;padding:10px 14px;border-radius:8px;
  font-size:.95rem;white-space:nowrap}
.main-nav a:hover{background:var(--azzurro);text-decoration:none}
.main-nav a.active{color:var(--blu);background:var(--azzurro)}

.has-drop{position:relative}
.has-drop>.drop-toggle::after{content:"\25Be";font-size:.7em;margin-left:6px;opacity:.7}
.dropdown{position:absolute;top:100%;left:0;background:#fff;min-width:230px;
  box-shadow:var(--ombra-hover);border-radius:10px;padding:8px;display:none;
  border:1px solid var(--azzurro-bordo)}
.has-drop:hover .dropdown{display:block}
.dropdown a{display:block;font-weight:500;color:var(--testo);padding:9px 12px;border-radius:6px}
.dropdown a:hover{background:var(--azzurro);color:var(--blu)}

.nav-toggle{display:none;background:none;border:0;cursor:pointer;font-size:1.6rem;color:var(--blu-scuro)}

/* ---------- Bottoni ---------- */
.btn{display:inline-block;background:var(--blu);color:#fff;padding:11px 22px;border-radius:8px;
  font-weight:600;border:2px solid var(--blu);transition:.15s}
.btn:hover{background:var(--blu-scuro);border-color:var(--blu-scuro);text-decoration:none;color:#fff}
.btn-outline{background:transparent;color:var(--blu)}
.btn-outline:hover{background:var(--blu);color:#fff}
.btn-light{background:#fff;color:var(--blu);border-color:#fff}
.btn-light:hover{background:var(--azzurro);color:var(--blu-scuro);border-color:var(--azzurro)}
.btn-lg{display:inline-flex;align-items:center;gap:12px;padding:16px 30px;font-size:1.1rem}
.btn-lg img{width:28px;height:28px;flex:none}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(135deg,var(--blu-scuro),var(--blu));color:#fff;
  padding:70px 0}
.hero h1{font-size:2.3rem;margin:0 0 14px;line-height:1.2}
.hero p{font-size:1.15rem;max-width:680px;color:#e6f0fa;margin:0 0 26px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center}
.hero-illu{text-align:center}
.hero-illu img{max-width:330px;width:100%;margin:0 auto}

/* ---------- Icone illustrate ---------- */
.utenza-card .ico{width:66px;height:66px;border-radius:16px;background:#fff;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.utenza-card .ico img{width:42px;height:42px}
.cat-col h3{display:flex;align-items:center;gap:10px}
.cat-col h3 img{width:30px;height:30px;flex:none}
.home-updates h2{display:flex;align-items:center;gap:10px}
.home-updates h2 img{width:26px;height:26px;flex:none}
.page-ico{width:54px;height:54px;vertical-align:middle;margin-right:12px}

/* ---------- Sezioni ---------- */
section{padding:54px 0}
.section-title{font-size:1.7rem;color:var(--blu-scuro);margin:0 0 8px}
.section-sub{color:var(--testo-soft);margin:0 0 32px;max-width:720px}
.bg-soft{background:var(--azzurro)}

/* ---------- Avviso in evidenza (Home) ---------- */
.avviso-sez{padding:40px 0}
.avviso{display:flex;align-items:center;gap:22px;
  background:linear-gradient(135deg,#fff8ec,#fdeecd);
  border:1px solid #f0d59a;border-left:6px solid #f6a623;
  border-radius:var(--radius);padding:22px 26px;box-shadow:var(--ombra)}
.avviso .avviso-img{width:70px;height:70px;flex:none}
.avviso .avviso-testo h2{margin:0 0 6px;color:var(--blu-scuro);font-size:1.25rem}
.avviso .avviso-testo p{margin:0;color:#6b4e17;font-size:1rem}
@media(max-width:880px){
  .avviso{flex-direction:column;text-align:center;gap:14px}
}

/* ---------- Griglie / card ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}

.card{background:#fff;border:1px solid var(--azzurro-bordo);border-radius:var(--radius);
  padding:26px;box-shadow:var(--ombra);transition:.18s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--ombra-hover);transform:translateY(-3px)}
.card h3{color:var(--blu-scuro);margin:0 0 10px;font-size:1.25rem}
.card p{color:var(--testo-soft);margin:0 0 18px;flex:1}

/* Card utenza (scuole/aziende) in home */
.utenza-card{background:linear-gradient(135deg,var(--blu),var(--blu-chiaro));color:#fff;
  border:0;padding:34px}
.utenza-card h3{color:#fff}
.utenza-card p{color:#eaf4ff}
.utenza-card .btn-light{margin-top:auto}

/* ---------- Liste comunicazioni / circolari ---------- */
.post-list{display:grid;gap:16px}
.post-item{background:#fff;border:1px solid var(--azzurro-bordo);border-left:4px solid var(--blu);
  border-radius:8px;padding:18px 22px;box-shadow:var(--ombra);transition:.15s}
.post-item:hover{box-shadow:var(--ombra-hover)}
.post-item .data{font-size:.8rem;color:var(--blu-chiaro);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.post-item h3{margin:6px 0;font-size:1.12rem}
.post-item h3 a{color:var(--blu-scuro)}
.post-item p{margin:0;color:var(--testo-soft);font-size:.95rem}
.post-item .tag{display:inline-block;background:var(--azzurro);color:var(--blu);
  font-size:.72rem;font-weight:600;padding:2px 10px;border-radius:20px;margin-bottom:4px}

/* Anteprime in home (2 colonne) */
.home-updates{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.home-updates h2{font-size:1.35rem;color:var(--blu-scuro);
  border-bottom:2px solid var(--azzurro-bordo);padding-bottom:10px;margin:0 0 18px}

/* ---------- Catalogo servizi ---------- */
.catalogo{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cat-col h3{color:var(--blu);border-bottom:2px solid var(--azzurro-bordo);
  padding-bottom:8px;margin:0 0 14px;font-size:1.2rem}
.cat-col ul{list-style:none;margin:0;padding:0}
.cat-col li{padding:8px 0 8px 26px;position:relative;border-bottom:1px dashed var(--azzurro-bordo)}
.cat-col li:last-child{border-bottom:0}
.cat-col li::before{content:"\2713";position:absolute;left:0;color:var(--blu-chiaro);font-weight:700}

/* ---------- Pagina dettaglio / articolo ---------- */
.article{max-width:800px;margin:0 auto}
.article .data{color:var(--blu-chiaro);font-weight:600;font-size:.9rem}
.article .numero-doc{color:var(--testo-soft);font-weight:600;font-size:.95rem;margin:4px 0 18px}
.article .avviso-riservato{background:#fdf3f2;border:1px solid #e6b3ad;border-left:5px solid #c0392b;
  color:#8a2a20;padding:16px 20px;border-radius:8px;margin:34px 0;font-size:1.02rem}
.article .avviso-riservato a{color:#8a2a20;text-decoration:underline}
.article h1{color:var(--blu-scuro);margin:8px 0 18px;font-size:1.9rem;line-height:1.25}
.article p{margin:0 0 16px}
.article h2{color:var(--blu);font-size:1.3rem;margin:28px 0 10px}
.article ul{margin:0 0 16px;padding-left:22px}
.breadcrumb{font-size:.88rem;color:var(--testo-soft);margin-bottom:18px}
.breadcrumb a{color:var(--blu)}
.back-link{display:inline-block;margin-top:24px}

/* ---------- Riquadro CTA ---------- */
.cta{background:linear-gradient(135deg,var(--blu-scuro),var(--blu));color:#fff;text-align:center;border-radius:14px;padding:44px 24px}
.cta h2{color:#fff;margin:0 0 10px}
.cta p{color:#e6f0fa;margin:0 0 22px}

/* ---------- Footer ---------- */
.site-footer{background:var(--blu-scuro);color:#cfe0f0;padding:48px 0 0;margin-top:20px}
.site-footer h4{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:1px;margin:0 0 14px}
.site-footer a{color:#cfe0f0}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:34px;padding:18px 0;
  font-size:.82rem;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-release{color:#9fb8d4;letter-spacing:.4px}
.footer-release:empty{display:none}

/* ---------- Responsive ---------- */
@media(max-width:880px){
  .grid-2,.grid-3,.catalogo,.home-updates,.footer-grid,.hero-grid{grid-template-columns:1fr}
  .hero-illu{max-width:260px;margin:6px auto 0}
  .nav-toggle{display:block}
  .main-nav{position:fixed;top:0;right:-100%;height:100vh;width:280px;background:#fff;
    flex-direction:column;align-items:stretch;padding:80px 16px 20px;gap:2px;
    box-shadow:-4px 0 24px rgba(0,0,0,.2);transition:right .25s;overflow-y:auto}
  .main-nav.open{right:0}
  .main-nav a{padding:12px}
  .dropdown{position:static;display:block;box-shadow:none;border:0;padding:0 0 0 14px;min-width:auto}
  .has-drop>.drop-toggle::after{display:none}
  .hero h1{font-size:1.8rem}
}