/* ===== CASTELLI FIREFOX — Style ===== */

/* Font self-hosted (nessuna risorsa remota) — variable fonts */
@font-face{
  font-family:'Montserrat';
  font-style:normal;
  font-weight:300 900;
  font-display:swap;
  src:url('fonts/montserrat-latin.woff2') format('woff2');
}
@font-face{
  font-family:'Oswald';
  font-style:normal;
  font-weight:400 700;
  font-display:swap;
  src:url('fonts/oswald-latin.woff2') format('woff2');
}

:root{
  --fire-1:#e63312;
  --fire-2:#ff6a00;
  --fire-3:#ff9d00;
  --dark:#101216;
  --dark-2:#181b21;
  --dark-3:#20242c;
  --light:#f7f5f2;
  --grey:#6b7280;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 20px 60px rgba(0,0,0,.15);
  --font-head:'Oswald',sans-serif;
  --font-body:'Montserrat',sans-serif;
  --tr:.4s cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--dark);background:var(--light);line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin:0 auto}
.container.narrow{width:min(860px,92%)}

/* ===== PRELOADER ===== */
#preloader{position:fixed;inset:0;background:var(--dark);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;z-index:9999;transition:opacity .6s,visibility .6s}
#preloader.hidden{opacity:0;visibility:hidden}
.flame-loader{display:flex;gap:10px;align-items:flex-end;height:46px}
.flame{width:14px;border-radius:50% 50% 50% 50%/60% 60% 40% 40%;background:linear-gradient(180deg,var(--fire-3),var(--fire-1));animation:flick .9s ease-in-out infinite alternate;transform-origin:bottom}
.flame.f1{height:26px}.flame.f2{height:44px;animation-delay:.15s}.flame.f3{height:32px;animation-delay:.3s}
@keyframes flick{from{transform:scaleY(.65) translateY(6px);opacity:.7}to{transform:scaleY(1.1);opacity:1}}
.loader-text{font-family:var(--font-head);letter-spacing:6px;color:var(--white);font-size:1.05rem}
.loader-text span{color:var(--fire-2)}

/* ===== SCROLL PROGRESS ===== */
#scroll-progress{position:fixed;top:0;left:0;height:4px;width:0;background:linear-gradient(90deg,var(--fire-1),var(--fire-2),var(--fire-3));z-index:1002;transition:width .1s linear}

/* ===== HEADER ===== */
#header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;transition:var(--tr)}
#header.scrolled{background:rgba(16,18,22,.92);backdrop-filter:blur(12px);padding:10px 0;box-shadow:0 8px 30px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px}
.logo-flame{filter:drop-shadow(0 0 8px rgba(255,106,0,.6));animation:flamePulse 2.4s ease-in-out infinite}
@keyframes flamePulse{0%,100%{filter:drop-shadow(0 0 6px rgba(255,106,0,.5))}50%{filter:drop-shadow(0 0 14px rgba(255,157,0,.85))}}
.logo-text{font-family:var(--font-head);font-weight:700;font-size:1.25rem;letter-spacing:3px;color:var(--white);line-height:1.1}
.logo-text span{display:block;font-size:.72rem;letter-spacing:7px;color:var(--fire-2);font-weight:600}
#nav ul{display:flex;gap:6px;list-style:none;align-items:center}
.nav-link{color:var(--white);font-size:.86rem;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;padding:10px 16px;position:relative;border-radius:8px;transition:var(--tr)}
.nav-link:not(.btn-nav)::after{content:'';position:absolute;left:16px;right:16px;bottom:6px;height:2px;background:var(--fire-2);transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.22,.61,.36,1)}
.nav-link:not(.btn-nav):hover::after,.nav-link.active:not(.btn-nav)::after{transform:scaleX(1)}
.btn-nav{background:linear-gradient(135deg,var(--fire-1),var(--fire-2));border-radius:30px!important;box-shadow:0 6px 20px rgba(230,51,18,.4)}
.btn-nav:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(230,51,18,.55)}
#hamburger{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
#hamburger span{width:26px;height:2.5px;background:var(--white);border-radius:2px;transition:var(--tr)}
#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)}

/* ===== HERO ===== */
.hero{position:relative;height:100vh;min-height:640px;overflow:hidden}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.08);transition:opacity 1.2s ease,transform 6.5s linear}
.hero-slide.active{opacity:1;transform:scale(1)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,10,14,.85) 20%,rgba(10,10,14,.45) 60%,rgba(230,51,18,.18))}
.hero-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;color:var(--white)}
.hero-kicker{color:var(--fire-3);font-weight:700;letter-spacing:4px;text-transform:uppercase;font-size:.85rem;margin-bottom:14px}
.hero h1{font-family:var(--font-head);font-size:clamp(2.8rem,7.5vw,5.8rem);font-weight:700;letter-spacing:2px;line-height:1.02;text-transform:uppercase}
.hero h1 em{font-style:normal;color:transparent;-webkit-text-stroke:2px var(--fire-2)}
.hero-sub{max-width:560px;margin:22px 0 32px;font-size:1.08rem;color:#e6e6ea}
.hero-sub strong{color:var(--fire-3)}
.hero-dots{position:absolute;bottom:96px;left:50%;transform:translateX(-50%);display:flex;gap:12px;z-index:3}
.dot{width:34px;height:4px;border:0;border-radius:4px;background:rgba(255,255,255,.35);cursor:pointer;transition:var(--tr)}
.dot.active{background:var(--fire-2);width:52px}
.hero-scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);width:26px;height:42px;border:2px solid rgba(255,255,255,.5);border-radius:16px;z-index:3}
.hero-scroll span{position:absolute;top:7px;left:50%;width:4px;height:8px;margin-left:-2px;background:var(--fire-2);border-radius:2px;animation:scrollDown 1.8s ease-in-out infinite}
@keyframes scrollDown{0%{opacity:0;transform:translateY(0)}35%{opacity:1}100%{opacity:0;transform:translateY(16px)}}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 32px;border-radius:40px;font-weight:700;font-size:.9rem;letter-spacing:1.5px;text-transform:uppercase;cursor:pointer;border:0;transition:var(--tr)}
.btn-primary{background:linear-gradient(135deg,var(--fire-1),var(--fire-2));color:var(--white);box-shadow:0 10px 30px rgba(230,51,18,.4);position:relative;overflow:hidden}
.btn-primary::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--fire-2),var(--fire-3));opacity:0;transition:opacity .35s}
.btn-primary:hover::before{opacity:1}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(230,51,18,.55)}
.btn-primary>*{position:relative;z-index:1}

/* ===== SECTIONS ===== */
.section{padding:100px 0;position:relative}
.section-dark{background:var(--dark);color:#e8e8ec}
.section-dark .section-title{color:var(--white)}
.section-light{background:#efedea}
.section-fire{background:linear-gradient(135deg,#fff 55%,#fdeeea)}
.section-fire2{background:linear-gradient(135deg,var(--dark-2),#2a1608);color:#e8e8ec;position:relative;overflow:hidden}
.section-fire2::before{content:'';position:absolute;bottom:-40px;left:-40px;width:340px;height:340px;background:radial-gradient(circle,rgba(255,106,0,.18),transparent 70%);animation:glowFloat 7s ease-in-out infinite alternate}
.section-fire2::after{content:'';position:absolute;top:-60px;right:-60px;width:300px;height:300px;background:radial-gradient(circle,rgba(230,51,18,.14),transparent 70%);animation:glowFloat 9s ease-in-out infinite alternate-reverse}
@keyframes glowFloat{from{transform:translateY(0)}to{transform:translateY(30px)}}
.section-kicker{color:var(--fire-2);font-weight:700;text-transform:uppercase;letter-spacing:4px;font-size:.78rem;margin-bottom:10px}
.section-kicker.center{text-align:center}
.section-title{font-family:var(--font-head);font-size:clamp(2rem,4.2vw,3.2rem);text-transform:uppercase;letter-spacing:1px;line-height:1.1;margin-bottom:26px}
.section-title.center{text-align:center}
.section-title .accent,.section-title em{font-style:normal;color:var(--fire-2)}

/* ===== INTRO / STATS ===== */
.fire-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.fire-text p{color:#3c4048;font-size:1.05rem}
.fire-stats{display:flex;gap:38px;margin-top:36px;flex-wrap:wrap}
.stat-num{font-family:var(--font-head);font-size:2.8rem;font-weight:700;color:var(--fire-1);display:block;line-height:1}
.stat-label{font-size:.8rem;color:var(--grey);text-transform:uppercase;letter-spacing:1px}
.fire-image img{border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .5s}
.fire-image:hover img{transform:scale(1.03) rotate(-1deg)}

/* ===== CARDS ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:44px}
.card{background:var(--dark-2);border:1px solid #2b2f38;border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:var(--tr);position:relative}
.card:hover{transform:translateY(-12px);border-color:var(--fire-2);box-shadow:0 24px 60px rgba(0,0,0,.45)}
.card-img{height:200px;background-size:cover;background-position:center;transition:transform .6s}
.card:hover .card-img{transform:scale(1.08)}
.card-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-family:var(--font-head);font-size:1.35rem;letter-spacing:1px;color:var(--white);text-transform:uppercase}
.card-body p{color:#a3a7b0;font-size:.94rem;flex:1}
.card-link{color:var(--fire-3);font-weight:700;font-size:.85rem;letter-spacing:1px;text-transform:uppercase}
.card-link i{display:inline-block;transition:transform .3s;font-style:normal}
.card:hover .card-link i{transform:translateX(6px)}

/* ===== GALLERY ===== */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.g-item{position:relative;height:280px;border-radius:var(--radius);background-size:cover;background-position:center;overflow:hidden;cursor:pointer;transition:var(--tr)}
.g-item:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.g-item::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(10,10,14,.85));transition:opacity .4s}
.g-item figcaption{position:absolute;bottom:0;left:0;right:0;padding:20px;color:var(--white);font-weight:600;font-size:.92rem;transform:translateY(8px);opacity:.85;transition:var(--tr);z-index:1}
.g-item:hover figcaption{transform:translateY(0);opacity:1}
.g-item:hover::after{background:linear-gradient(180deg,rgba(230,51,18,.12) 0%,rgba(10,10,14,.9))}

/* ===== FINITURE ===== */
.section-light p{color:#3c4048;margin-bottom:16px}
.chips{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}
.chip{padding:9px 20px;border-radius:30px;background:linear-gradient(135deg,var(--fire-1),var(--fire-2));color:#fff;font-weight:600;font-size:.85rem;box-shadow:0 6px 18px rgba(230,51,18,.3);transition:var(--tr)}
.chip:hover{transform:translateY(-3px) scale(1.05)}

/* ===== CERTIFICATI ===== */
.cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:34px}
.cert-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--dark-3);border:1px solid #2b2f38;display:block}
.cert-card img{width:100%;height:300px;object-fit:contain;background:#fff;padding:14px;transition:transform .5s}
.cert-card:hover img{transform:scale(1.04)}
.cert-zoom{position:absolute;bottom:0;left:0;right:0;padding:12px;text-align:center;background:rgba(230,51,18,.92);color:#fff;font-weight:600;font-size:.82rem;letter-spacing:1px;text-transform:uppercase;transform:translateY(100%);transition:transform .35s}
.cert-card:hover .cert-zoom{transform:translateY(0)}
.big-quote{font-size:1.25rem;line-height:1.6;border-left:4px solid var(--fire-2);padding-left:22px;margin-bottom:22px;font-weight:500}
.section-fire2 p:not(.section-kicker){color:#c9cbd2}

/* ===== PARTNERS ===== */
.partners-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.partner{background:#fff;border-radius:var(--radius);padding:26px;display:flex;align-items:center;justify-content:center;height:120px;box-shadow:0 8px 26px rgba(0,0,0,.08);filter:grayscale(1);opacity:.75;transition:var(--tr)}
.partner:hover{filter:grayscale(0);opacity:1;transform:translateY(-8px) scale(1.03);box-shadow:var(--shadow)}
.partner img{max-height:64px;object-fit:contain}
.francia-banner{margin-top:50px;background:linear-gradient(135deg,var(--dark),var(--dark-3));border-radius:var(--radius);padding:30px 40px;display:flex;align-items:center;gap:24px;color:var(--white);box-shadow:var(--shadow);position:relative;overflow:hidden}
.francia-banner::before{content:'';position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(180deg,var(--fire-1),var(--fire-3))}
.francia-banner h3{font-family:var(--font-head);letter-spacing:2px;text-transform:uppercase}
.flag{display:flex;width:56px;height:38px;border-radius:5px;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.4);flex-shrink:0}
.flag span{flex:1}

/* ===== CONTATTI ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:70px;align-items:start}
.contact-info>p{color:#a3a7b0}
.sede{display:flex;gap:18px;margin-top:32px;background:var(--dark-2);border:1px solid #2b2f38;border-radius:var(--radius);padding:24px;transition:var(--tr)}
.sede:hover{border-color:var(--fire-2);transform:translateY(-4px)}
.sede-icon{font-size:1.6rem;width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--fire-1),var(--fire-2));display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sede h4{font-family:var(--font-head);letter-spacing:1px;text-transform:uppercase;color:var(--white);margin-bottom:6px}
.sede address{font-style:normal;color:#a3a7b0}
.sede a{color:var(--fire-3);font-weight:600}
.contact-form{background:var(--dark-2);border:1px solid #2b2f38;border-radius:18px;padding:38px;display:flex;flex-direction:column;gap:20px}
.field{position:relative}
.field input,.field textarea{width:100%;background:var(--dark-3);border:1.5px solid #333845;border-radius:10px;padding:16px 16px;color:var(--white);font-family:inherit;font-size:.95rem;transition:var(--tr);outline:none;resize:vertical}
.field label{position:absolute;left:16px;top:16px;color:#8b8f99;pointer-events:none;transition:var(--tr);font-size:.95rem}
.field input:focus,.field textarea:focus{border-color:var(--fire-2);box-shadow:0 0 0 4px rgba(255,106,0,.12)}
.field input:focus+label,.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,.field textarea:not(:placeholder-shown)+label{top:-9px;left:12px;font-size:.72rem;background:var(--dark-2);padding:0 8px;color:var(--fire-3);border-radius:6px}
.field input.invalid,.field textarea.invalid{border-color:#e63312;animation:shake .35s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.privacy{display:flex;gap:10px;align-items:flex-start;font-size:.82rem;color:#a3a7b0;cursor:pointer}
.privacy input{accent-color:var(--fire-2);margin-top:3px;width:16px;height:16px}
.btn-send{justify-content:center;width:100%;font-size:.95rem}
.btn-loader{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.form-msg{min-height:26px;font-weight:600;font-size:.92rem}
.form-msg.ok{color:#3ddc84}.form-msg.err{color:#ff5a4e}

/* ===== FOOTER ===== */
#footer{background:#0a0b0e;color:#7d818b;padding:30px 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:.85rem}
.footer-nav{display:flex;gap:26px}
.footer-nav a{transition:color .3s}
.footer-nav a:hover{color:var(--fire-3)}

/* ===== BACK TO TOP ===== */
#to-top{position:fixed;bottom:28px;right:28px;width:50px;height:50px;border-radius:50%;border:0;background:linear-gradient(135deg,var(--fire-1),var(--fire-2));color:#fff;font-size:1.3rem;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(20px);transition:var(--tr);z-index:900;box-shadow:0 10px 26px rgba(230,51,18,.45)}
#to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
#to-top:hover{transform:translateY(-4px)}

/* ===== REVEAL ANIMATIONS ===== */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.15s}.delay-2{transition-delay:.3s}.delay-3{transition-delay:.45s}.delay-4{transition-delay:.6s}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .cards{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .partners-grid{grid-template-columns:repeat(2,1fr);max-width:760px;margin-left:auto;margin-right:auto}
  .contact-grid{grid-template-columns:1fr;gap:44px}
  .fire-grid{grid-template-columns:1fr;gap:40px}
}
@media(max-width:768px){
  #hamburger{display:flex}
  #nav{position:fixed;top:0;right:-100%;width:min(320px,80%);height:100vh;background:rgba(16,18,22,.98);backdrop-filter:blur(10px);transition:right .45s cubic-bezier(.22,.61,.36,1);padding:110px 34px 0}
  #nav.open{right:0}
  #nav ul{flex-direction:column;align-items:flex-start;gap:4px}
  .nav-link{font-size:1.05rem;display:block;padding:14px 0}
  .cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .g-item{height:230px}
  .partners-grid{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:1fr}
  .section{padding:70px 0}
  .contact-form{padding:26px}
  .hero-dots{bottom:80px}
}

/* ===== SCHEDA TECNICA ===== */
.scheda-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:2.5rem;align-items:center;margin-top:2.5rem}
.scheda-img img{width:100%;border-radius:12px;box-shadow:0 20px 50px rgba(0,0,0,.45);object-fit:cover}
.scheda-table{width:100%;border-collapse:collapse;background:rgba(255,255,255,.04);border-radius:12px;overflow:hidden;font-size:.95rem}
.scheda-table caption{caption-side:top;text-align:left;font-weight:700;color:var(--accent,#e63312);padding:0 0 .9rem;font-size:1.05rem}
.scheda-table th,.scheda-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid rgba(255,255,255,.08)}
.scheda-table th{color:#fff;font-weight:600;width:42%}
.scheda-table td{color:#cfd3d8}
.scheda-table tr:last-child th,.scheda-table tr:last-child td{border-bottom:none}
.aav{margin-top:3rem;text-align:center}
.aav img{max-width:100%;border-radius:12px;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.aav p{margin-top:1rem;color:#cfd3d8}

/* ===== APPLICAZIONI ===== */
.app-list{list-style:none;margin-top:1.5rem;padding:0}
.app-list li{position:relative;padding:.85rem 0 .85rem 2.2rem;border-bottom:1px solid rgba(0,0,0,.08);font-weight:500}
.app-list li::before{content:"\2713";position:absolute;left:0;top:.85rem;width:1.4rem;height:1.4rem;background:var(--accent,#e63312);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;line-height:1.4rem;text-align:center}

@media(max-width:900px){
  .scheda-grid{grid-template-columns:1fr}
}