/* ============================================================
   Carrozzeria Falco — styles.css
   Palette: #f7f7f7 bg · #282828 dark · #002776 blu · #d50000 rosso
            #4a4a4a testo secondario · azzurrini #e6ecf1/#ecedee/#dfe6ee
   ============================================================ */

/* ===== Reset & base ===== */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:#f7f7f7;color:#282828;font-family:'Lexend',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;}
img{max-width:100%;}
a{color:#002776;}
a:hover{color:#d50000;}

/* ===== Keyframes ===== */
@keyframes riseIn{from{opacity:0;transform:translateY(32px);}to{opacity:1;transform:translateY(0);}}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
@keyframes marq{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@keyframes pulseDot{0%{box-shadow:0 0 0 0 rgba(213,0,0,.5);}70%{box-shadow:0 0 0 14px rgba(213,0,0,0);}100%{box-shadow:0 0 0 0 rgba(213,0,0,0);}}
.reveal{opacity:0;}
.reveal.in{animation:riseIn .8s cubic-bezier(.2,.7,.2,1) forwards;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;}
  .reveal.in{animation:none;}
  .marquee{animation:none!important;}
}

/* ===== Bottoni / hover riusabili (sostituiscono i style-hover dei prototipi) ===== */
.btn-solid,.btn-outline,.btn-primary,.btn-blue,.btn-blue-outline{
  display:inline-flex;align-items:center;text-decoration:none;font-weight:400;border-radius:999px;cursor:pointer;font-family:inherit;
  transition:transform .25s ease,letter-spacing .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-solid{background:#282828;color:#f7f7f7;border:1.5px solid #282828;}
.btn-solid:hover{transform:translateY(-2px);letter-spacing:.02em;box-shadow:0 12px 30px rgba(40,40,40,.28);color:#f7f7f7;}
.btn-outline{background:transparent;color:#282828;border:1.5px solid #282828;}
.btn-outline:hover{background:#282828;color:#f7f7f7;letter-spacing:.02em;}
.btn-primary{background:#002776;color:#fff;border:none;font-weight:500;}
.btn-primary:hover{background:#001a52;transform:translateY(-2px);letter-spacing:.03em;color:#fff;}
.btn-blue{background:#002776;color:#f7f7f7;border:1.5px solid #002776;}
.btn-blue:hover{background:#001a52;border-color:#001a52;color:#f7f7f7;transform:translateY(-2px);letter-spacing:.02em;box-shadow:0 12px 30px rgba(0,39,118,.28);}
.btn-blue-outline{background:transparent;color:#002776;border:1.5px solid #002776;}
.btn-blue-outline:hover{background:#002776;color:#f7f7f7;letter-spacing:.02em;}
.card-lift{transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;}
.card-lift:hover{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(40,40,40,.35);border-color:rgba(0,39,118,.3);}

/* ===== Griglie responsive robuste (sostituiscono [style*="grid-template-columns:…"])
   Impostano SOLO colonne + collasso; gap/align restano inline nelle pagine (fedeltà). ===== */
.grid-2{display:grid;grid-template-columns:1fr 1fr;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);}
.stack-grid{display:grid;grid-template-columns:1fr 1fr;}
@media (max-width:1024px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media (max-width:860px){.grid-2{grid-template-columns:1fr!important;}}
@media (max-width:760px){
  .grid-3{grid-template-columns:1fr!important;}
  .stack-grid{grid-template-columns:1fr!important;}
  .hide-mob{display:none!important;}
}

/* ===== Gallery (Realizzazioni) ===== */
.ggrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media(max-width:900px){.ggrid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.ggrid{grid-template-columns:1fr;}}
.gtile{position:relative;overflow:hidden;border-radius:14px;aspect-ratio:4/3;cursor:pointer;background:#e2e2e2;}
.gtile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.7,.2,1);}
.gtile:hover img{transform:scale(1.07);}
.gtile::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,39,118,.35),transparent 55%);opacity:0;transition:opacity .35s ease;}
.gtile:hover::after{opacity:1;}

/* ===== Lightbox ===== */
#lightbox{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;background:rgba(15,20,30,.94);animation:fadeIn .3s ease;}
#lightbox.open{display:flex;}
.lb-img{max-width:88vw;max-height:82vh;object-fit:contain;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.6);}
.lb-close,.lb-prev,.lb-next{position:absolute;border:none;color:#fff;cursor:pointer;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s ease,transform .3s ease;}
.lb-close{top:24px;right:28px;width:46px;height:46px;font-size:25px;}
.lb-close:hover{background:#d50000;transform:rotate(90deg);}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:70px;height:70px;font-size:27px;}
.lb-prev{left:clamp(12px,3vw,40px);}
.lb-next{right:clamp(12px,3vw,40px);}
.lb-prev:hover,.lb-next:hover{background:#002776;}
.lb-counter{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.75);font-size:16px;font-weight:500;letter-spacing:.05em;}

/* ===== Hotspot (Prodotti) ===== */
.hotspot{position:absolute;width:22px;height:22px;border-radius:50%;background:#d50000;border:3px solid #fff;cursor:pointer;padding:0;animation:pulseDot 2.4s infinite;}
#hsTip{position:absolute;left:50%;bottom:16px;transform:translateX(-50%) translateY(8px);background:rgba(20,20,20,.82);color:#fff;font-size:15px;font-weight:500;padding:8px 16px;border-radius:999px;opacity:0;transition:opacity .25s ease,transform .25s ease;pointer-events:none;white-space:nowrap;}

/* ===== Form (Contatti) ===== */
.cinput{width:100%;font-family:inherit;font-size:18px;color:#282828;background:#fff;border:1.5px solid rgba(40,40,40,.18);border-radius:12px;padding:14px 16px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;}
.cinput:focus{border-color:#002776;box-shadow:0 0 0 3px rgba(0,39,118,.12);}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.form-status{font-size:16px;font-weight:500;opacity:0;transition:opacity .3s ease;}
.form-status.show{opacity:1;}
.form-status.ok{color:#1f8a3b;}
.form-status.err{color:#d50000;}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:60;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:18px 5vw;background:rgba(247,247,247,.82);backdrop-filter:saturate(140%) blur(12px);-webkit-backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid rgba(40,40,40,.08);}
.hdr-nav{display:flex;align-items:center;gap:22px;justify-self:start;}
.nav-link{display:inline-flex;align-items:center;text-decoration:none;font-size:clamp(16px,1.2vw,21px);font-weight:500;padding:11px 20px;border:1.6px solid transparent;border-radius:10px;color:#282828;transition:all .25s ease;white-space:nowrap;}
.nav-link.boxed{border-color:#002776;color:#002776;}
.nav-link.boxed:hover{background:#002776;color:#f7f7f7;transform:translateY(-1px);}
.nav-link.plain:hover{color:#002776;letter-spacing:.03em;}
.nav-link.active{background:#002776;color:#f7f7f7;border-color:#002776;}
.hdr-logo{justify-self:center;text-decoration:none;color:#282828;font-weight:600;letter-spacing:.18em;font-size:clamp(20px,2.2vw,30px);white-space:nowrap;transition:opacity .2s ease;}
.hdr-logo:hover{opacity:.65;color:#282828;}
.hdr-menu-btn{justify-self:end;display:inline-flex;align-items:center;gap:10px;background:none;border:none;cursor:pointer;font-family:inherit;font-size:clamp(17px,1.35vw,23px);font-weight:500;color:#282828;padding:6px;transition:letter-spacing .25s ease;}
.hdr-menu-btn:hover{letter-spacing:.02em;}

/* ===== Menu overlay + panel ===== */
.menu-overlay{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.35);opacity:0;pointer-events:none;transition:opacity .4s ease;}
.menu-panel{position:fixed;top:0;right:0;height:100%;width:min(440px,86vw);z-index:101;background:#002776;transform:translateX(100%);transition:transform .5s cubic-bezier(.7,0,.2,1);box-shadow:-30px 0 80px rgba(0,0,0,.3);display:flex;flex-direction:column;justify-content:center;padding:0 clamp(32px,6vw,64px);}
body.menu-open{overflow:hidden;}
body.menu-open .menu-overlay{opacity:1;pointer-events:auto;}
body.menu-open .menu-panel{transform:translateX(0);}
.menu-link{color:#fff;text-decoration:none;font-size:clamp(30px,3.64vw,39px);font-weight:500;width:fit-content;border-bottom:2px solid transparent;transition:border-color .25s ease,padding-left .25s ease;}
.menu-link:hover{border-color:#d50000;padding-left:10px;color:#fff;}
.menu-link.active{border-bottom-color:#d50000;}
.menu-close{position:absolute;top:32px;left:-24px;width:48px;height:48px;border-radius:50%;background:#d50000;border:none;cursor:pointer;color:#fff;font-size:25px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(213,0,0,.4);opacity:0;pointer-events:none;transition:transform .3s ease,opacity .3s ease;}
body.menu-open .menu-close{opacity:1;pointer-events:auto;}
.menu-close:hover{transform:rotate(90deg) scale(1.08);}

/* ===== Footer ===== */
.site-footer{background:#f7f7f7;overflow:hidden;}
.ftr-social a{color:#282828;display:inline-flex;transition:color .2s ease,transform .2s ease;}
.ftr-social a:hover{transform:translateY(-2px);color:#d50000;}
.ftr-nav a,.ftr-mail{color:#282828;text-decoration:none;transition:color .2s ease;}
.ftr-nav a:hover{color:#002776;}
.ftr-mail:hover{color:#d50000;}
.ftr-addr{justify-self:start;color:#282828;font-size:clamp(18px,1.5vw,24px);line-height:1.5;font-weight:400;}
.ftr-contact{justify-self:end;display:flex;flex-direction:column;gap:4px;align-items:flex-end;}
.ftr-contact a{color:#282828;text-decoration:none;font-size:clamp(18px,1.5vw,24px);font-weight:400;transition:color .2s ease;}
.ftr-contact a:hover{color:#d50000;}
@media (max-width:720px){.ftr-addr{justify-self:center;text-align:center;}.ftr-contact{justify-self:center;align-items:center;}}

/* ===== Marquee helper ===== */
.marquee{display:flex;width:max-content;align-items:center;animation:marq 30s linear infinite;}

/* ===== Header responsive ===== */
@media (max-width:720px){
  .hdr-nav{display:none;}
  .hdr-menu-btn .menu-label{display:none;}
  .site-header{padding:14px 20px;}
  .hdr-logo{font-size:16px;letter-spacing:.08em;}
}