/* ============================================================
   Futura Design System — Trova Centri DSA
   Palette e regole dal Futura Design System 1.1: flat, no shadow,
   Inter (testo) + Bricolage Grotesque (titoli), mobile-first.
   ============================================================ */
:root{
  --fut-accent-500:#FFDB3A;
  --fut-accent-600:#FFC444;
  --fut-primary-500:#172146;
  --fut-primary-200:#475186;
  --fut-secondary-800:#0074FF;
  --fut-secondary-300:#DAEDFB;
  --fut-secondary-200:#E0EFFA;
  --fut-secondary-100:#EDF5FB;
  --white:#FFFFFF;
  --ok:#1e7d32;
  --ok-bg:#DFF5E1;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --header-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--fut-secondary-100);
  color:var(--fut-primary-500);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.font-title{font-family:'Bricolage Grotesque','Inter',sans-serif;line-height:1.15;font-weight:700}
a{color:var(--fut-secondary-800);text-decoration:none}
img{max-width:100%}

.content-container{max-width:960px;margin:0 auto;padding:0 20px}
.muted{color:var(--fut-primary-200)}

/* ---------- Header ---------- */
.site-header{background:#fff;position:sticky;top:0;z-index:1200;border-bottom:1.5px solid var(--fut-secondary-200)}
.site-header .inner{max-width:960px;margin:0 auto;padding:0 20px;height:var(--header-h);
  display:flex;align-items:center;gap:8px}
.logo{display:flex;align-items:center;gap:10px;flex:none;min-height:44px}
.logo img{height:24px;width:auto;display:block}
.logo-home{display:flex;align-items:center;min-height:44px}
.logo-tag:hover,.logo-tag:focus-visible{text-decoration:underline}
.logo-tag{font-size:.7rem;font-weight:600;background:var(--fut-secondary-200);color:var(--fut-secondary-800);
  padding:4px 12px;border-radius:99px;white-space:nowrap}
.header-spacer{flex:1}
.header-nav{display:flex;gap:4px;align-items:center}
.header-link{display:inline-flex;align-items:center;color:var(--fut-primary-200);font-size:.95rem;
  font-weight:500;white-space:nowrap;padding:10px 14px;min-height:44px;border-radius:10px;
  transition:color .18s ease-in-out,background .18s ease-in-out}
.header-link:hover{color:var(--fut-primary-500);background:var(--fut-secondary-100)}
.header-link:focus-visible{outline:2px solid var(--fut-secondary-800);outline-offset:2px}
.header-link.active{color:var(--fut-secondary-800);font-weight:600;background:var(--fut-secondary-200)}
.header-cta{margin-left:10px}

.hamburger-btn{display:none;align-items:center;justify-content:center;width:44px;height:44px;flex:none;
  background:none;border:none;cursor:pointer;color:var(--fut-primary-500);border-radius:10px}
.hamburger-btn:hover{background:var(--fut-secondary-100)}
.hamburger-lines{position:relative;width:22px;height:16px;display:block}
.hamburger-lines span{position:absolute;left:0;width:22px;height:2px;background:currentColor;border-radius:2px;
  transition:transform .22s ease-in-out,opacity .15s ease-in-out,top .22s ease-in-out}
.hamburger-lines span:nth-child(1){top:0}
.hamburger-lines span:nth-child(2){top:7px}
.hamburger-lines span:nth-child(3){top:14px}
.hamburger-btn.active .hamburger-lines span:nth-child(1){top:7px;transform:rotate(45deg)}
.hamburger-btn.active .hamburger-lines span:nth-child(2){opacity:0}
.hamburger-btn.active .hamburger-lines span:nth-child(3){top:7px;transform:rotate(-45deg)}

.nav-drawer{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
  border-bottom:1.5px solid var(--fut-secondary-200);flex-direction:column;gap:2px;padding:10px 20px 16px}
.nav-drawer.open{display:flex;animation:drawerIn .2s ease-in-out}
@keyframes drawerIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.nav-drawer .header-link{width:100%;min-height:48px;font-size:1rem}
.nav-drawer .btn{margin-top:10px}

@media(max-width:720px){
  .site-header .inner{padding:0 16px}
  .header-nav{display:none}
  .hamburger-btn{display:flex}
}
@media(max-width:560px){
  .logo img{height:21px}
  .logo-tag{display:none}
}

/* ---------- Bottoni ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  font-family:'Inter',sans-serif;font-weight:600;font-size:1rem;border-radius:var(--radius-sm);
  padding:14px 24px;transition:background .18s ease-in-out,transform .12s ease-in-out;min-height:48px}
.btn:active{transform:scale(.985)}
.btn-accent{background:var(--fut-accent-500);color:var(--fut-primary-500)}
.btn-accent:hover{background:var(--fut-accent-600)}
.btn-primary{background:var(--fut-primary-500);color:#fff}
.btn-primary:hover{background:#232f5c}
.btn-soft{background:var(--fut-secondary-300);color:var(--fut-primary-500)}
.btn-soft:hover{background:var(--fut-secondary-200)}
.btn-ghost{background:transparent;color:var(--fut-primary-500);border:1.5px solid var(--fut-secondary-300)}
.btn-sm{padding:9px 16px;font-size:.9rem;min-height:40px;border-radius:10px}
.btn-block{width:100%}

/* ---------- Cards ---------- */
.feature-card{background:var(--white);border-radius:var(--radius-lg);padding:20px;box-shadow:none}
.inner-card{background:var(--fut-secondary-200);border-radius:var(--radius-md);padding:14px}

/* ---------- Form ---------- */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:.85rem;font-weight:600}
.field input,.field select{
  font-family:'Inter',sans-serif;font-size:1rem;padding:13px 14px;border-radius:var(--radius-sm);
  border:1.5px solid var(--fut-secondary-300);background:#fff;color:var(--fut-primary-500);min-height:48px}
.field input:focus,.field select:focus{outline:none;border-color:var(--fut-secondary-800)}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:.82rem;color:var(--fut-primary-200)}
.checkbox-row input{width:18px;height:18px;margin-top:2px;flex:none}

/* ---------- Badge ---------- */
.badge{display:inline-block;font-size:.7rem;font-weight:600;padding:3px 10px;border-radius:99px;white-space:nowrap}
.b-blue{background:var(--fut-secondary-200);color:var(--fut-secondary-800)}
.b-navy{background:var(--fut-primary-500);color:#fff}
.b-soft{background:var(--fut-secondary-100);color:var(--fut-primary-200)}
.b-ok{background:var(--ok-bg);color:var(--ok)}
.b-warn{background:#FFF3C4;color:#8a6d00}

/* ---------- Search hero ---------- */
.searchbox{display:flex;gap:10px;background:#fff;border-radius:var(--radius-md);padding:8px;align-items:center}
.searchbox input{flex:1;border:none;font-size:1.05rem;padding:12px 10px;font-family:'Inter',sans-serif;
  color:var(--fut-primary-500);min-width:0;background:transparent}
.searchbox input:focus{outline:none}
.searchbox .btn{flex:none}

/* ---------- Autocomplete ---------- */
.ac-box{display:none;position:absolute;top:calc(100% + 6px);left:0;right:0;background:#fff;
  border:1.5px solid var(--fut-secondary-300);border-radius:var(--radius-sm);overflow:hidden;z-index:3000}
.ac-item{padding:11px 14px;font-size:.93rem;cursor:pointer;color:var(--fut-primary-500)}
.ac-item:hover,.ac-item.active{background:var(--fut-secondary-100)}
.ac-item+.ac-item{border-top:1.5px solid var(--fut-secondary-100)}

/* ---------- Modal ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(23,33,70,.55);z-index:2000;display:none;
  align-items:flex-end;justify-content:center;padding:0}
.modal-backdrop.open{display:flex}
.modal{background:#fff;border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:26px 22px;
  width:100%;max-width:480px;max-height:92vh;overflow-y:auto;
  animation:slideUp .25s ease-in-out}
@keyframes slideUp{from{transform:translateY(40px);opacity:.6}to{transform:translateY(0);opacity:1}}
@media(min-width:640px){
  .modal-backdrop{align-items:center;padding:20px}
  .modal{border-radius:var(--radius-lg)}
}
.modal h3{font-size:1.35rem;margin-bottom:6px}
.modal .close-x{float:right;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--fut-primary-200);
  line-height:1;padding:4px 8px}

/* ---------- Icone ---------- */
.ico{flex:none;vertical-align:-0.15em;display:inline-block}
.contact-row .ico{color:var(--fut-primary-200)}

/* ---------- Contatti mascherati ---------- */
.contact-row{display:flex;align-items:center;gap:8px;font-size:.92rem;padding:4px 0;flex-wrap:wrap}
.masked{filter:blur(4.5px);user-select:none;pointer-events:none}
.unlock-hint{font-size:.8rem;color:var(--fut-primary-200)}
/* contatti bloccati: valori reali sfocati + bottone di sblocco */
.contacts-gate .contacts-blur{filter:blur(5px);user-select:none;pointer-events:none;opacity:.85;margin-bottom:8px}
.contacts-gate .btn{display:inline-flex;align-items:center;gap:6px}

/* ---------- Footer (uniforme al footer di futura.study) ---------- */
.site-footer{background:#152148;color:#fff;margin-top:56px}
.site-footer .foot-inner{max-width:1180px;margin:0 auto;padding:56px 24px 40px}
.site-footer .foot-top{display:flex;flex-direction:column;gap:24px;margin-bottom:44px}
.site-footer .foot-logo{height:24px;width:auto;display:block}
.site-footer .foot-tag{max-width:34rem;font-size:14px;line-height:1.6;color:#94A3B8;margin-top:10px}
.site-footer .foot-socials{display:flex;gap:12px}
.site-footer .foot-socials a{width:40px;height:40px;border-radius:50%;background:#1e3a6e;display:flex;
  align-items:center;justify-content:center;color:#fff;transition:background .15s}
.site-footer .foot-socials a:hover{background:#2d4f8e}
.site-footer .foot-cols{display:grid;grid-template-columns:1fr;gap:32px}
.site-footer .foot-cols h4{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;
  color:#94A3B8;margin-bottom:16px}
.site-footer .foot-cols ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.site-footer .foot-cols a{font-size:14px;color:#CBD5E1;transition:color .15s}
.site-footer .foot-cols a:hover{color:#fff}
.site-footer .foot-contatti{margin-top:28px}
.site-footer .foot-contatti li{font-size:14px;color:#CBD5E1;margin-bottom:10px;list-style:none}
.site-footer .foot-bottom{border-top:1px solid #1e3a6e}
.site-footer .foot-bottom p{max-width:1180px;margin:0 auto;padding:22px 24px;font-size:13px;color:#64748B}
@media(min-width:560px){.site-footer .foot-cols{grid-template-columns:1fr 1fr}}
@media(min-width:800px){.site-footer .foot-top{flex-direction:row;align-items:center;justify-content:space-between}}
@media(min-width:1000px){.site-footer .foot-cols{grid-template-columns:repeat(4,1fr)}}

/* ---------- Utility ---------- */
.stack-sm>*+*{margin-top:8px}
.stack-md>*+*{margin-top:16px}
.stack-lg>*+*{margin-top:28px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.grid-2{display:grid;grid-template-columns:1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:720px){
  .grid-2{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr 1fr}
}
.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.hide-mobile{display:none}
@media(min-width:720px){.hide-mobile{display:initial}.hide-desktop{display:none}}