:root{
  --primary:#b91c1c;
  --primary-dark:#7f1010;
  --primary-glow:#ef4444;
  --secondary:#0f1a24;
  --secondary-2:#1f2d3d;
  --accent:#f59e0b;
  --light:#f6f5f1;
  --gray-100:#f3f4f6;
  --gray-200:#e5e7eb;
  --gray-500:#6b7280;
  --gray-700:#374151;
  --dark:#0b1218;
  --shadow-sm:0 2px 8px rgba(15,26,36,.06);
  --shadow:0 10px 30px rgba(15,26,36,.10);
  --shadow-lg:0 25px 60px -15px rgba(15,26,36,.35);
  --radius:14px;
  --container:1200px;
  --t:.35s cubic-bezier(.2,.7,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:'Inter',system-ui,sans-serif;color:var(--dark);background:#fff;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{font-family:'Montserrat',sans-serif;font-weight:700;line-height:1.2;color:var(--secondary)}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
section{padding:100px 0;position:relative}
.eyebrow{display:inline-block;font-family:'Montserrat',sans-serif;font-weight:600;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);background:rgba(185,28,28,.08);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.section-title{text-align:center;max-width:720px;margin:0 auto 70px}
.section-title h2{font-size:clamp(2rem,3.5vw,2.8rem);margin:8px 0 14px;letter-spacing:-.02em}
.section-title p{color:var(--gray-500);font-size:1.05rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 28px;border-radius:999px;font-family:'Montserrat',sans-serif;font-weight:600;font-size:.95rem;letter-spacing:.02em;cursor:pointer;transition:var(--t);border:2px solid transparent;text-align:center}
.btn i{transition:transform .3s}
.btn:hover i{transform:translateX(3px)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 10px 25px -10px rgba(185,28,28,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 35px -10px rgba(185,28,28,.7)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--secondary);border-color:#fff}
.btn-block{width:100%}

/* Topbar */
.topbar{background:var(--secondary);color:#cbd5e1;font-size:.85rem;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.topbar-left span,.topbar-right a{margin-right:18px;display:inline-flex;align-items:center;gap:8px}
.topbar-right a{color:#fff;transition:color .2s}
.topbar-right a:hover{color:var(--accent)}
.topbar i{color:var(--accent)}

/* Header */
header{background:rgba(255,255,255,.95);backdrop-filter:saturate(140%) blur(10px);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm);transition:var(--t)}
header.scrolled{box-shadow:var(--shadow)}
.navbar{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;gap:20px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:54px;width:54px;object-fit:contain}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-main{font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.25rem;color:var(--secondary);letter-spacing:-.01em}
.logo-sub{font-size:.7rem;color:var(--gray-500);letter-spacing:.18em;font-weight:600}
nav{display:flex;align-items:center;gap:10px}
.nav-links{display:flex;list-style:none;gap:6px;align-items:center}
.nav-links a{padding:10px 14px;border-radius:8px;font-weight:500;font-size:.95rem;color:var(--gray-700);transition:var(--t)}
.nav-links a:hover{color:var(--primary);background:rgba(185,28,28,.06)}
.nav-links .nav-cta{background:var(--primary);color:#fff;padding:11px 20px;border-radius:999px;margin-left:10px;font-weight:600}
.nav-links .nav-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.mobile-menu-btn{display:none;background:none;border:none;font-size:1.6rem;color:var(--secondary);cursor:pointer;padding:8px}

/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;overflow:hidden;background:#000}
.hero::before{content:'';position:absolute;inset:0;background:url('images/sfondo.png') center/cover no-repeat;transform:scale(1.05);filter:brightness(.55) contrast(1.05)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,18,24,.85) 0%,rgba(11,18,24,.55) 50%,rgba(127,16,16,.7) 100%)}
.hero-content{position:relative;z-index:2;max-width:820px;padding:120px 24px;animation:fadeUp 1s ease-out}
.hero .eyebrow{background:rgba(245,158,11,.18);color:var(--accent)}
.hero h1{font-size:clamp(2.2rem,5vw,4rem);color:#fff;font-weight:800;letter-spacing:-.02em;margin-bottom:20px}
.hero h1 .accent{color:var(--accent);display:inline-block}
.hero p{font-size:1.15rem;max-width:640px;opacity:.92;margin-bottom:34px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:50px}
.hero-trust{display:flex;gap:50px;padding-top:30px;border-top:1px solid rgba(255,255,255,.18);flex-wrap:wrap}
.hero-trust div{display:flex;flex-direction:column}
.hero-trust strong{font-family:'Montserrat',sans-serif;font-size:2rem;color:var(--accent);font-weight:800}
.hero-trust span{font-size:.85rem;color:#cbd5e1;text-transform:uppercase;letter-spacing:.1em}
.scroll-down{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);color:#fff;z-index:2;font-size:1.2rem;opacity:.6;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}

/* Services */
.services{background:var(--light)}
.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:30px}
.service-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--t);border:1px solid var(--gray-200)}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.service-img{height:230px;overflow:hidden;position:relative;background:#0f1a24}
.service-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.service-card:hover .service-img img{transform:scale(1.08)}
.service-content{padding:28px}
.service-icon{display:inline-flex;width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px;box-shadow:0 8px 20px -8px rgba(185,28,28,.5)}
.service-content h3{font-size:1.3rem;margin-bottom:10px}
.service-content p{color:var(--gray-500);font-size:.97rem}

/* Works */
.works{background:#fff}
.works-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.work-item{position:relative;display:block;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:#0f1a24;cursor:zoom-in}
.work-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.work-item span{position:absolute;left:0;right:0;bottom:0;padding:30px 20px 18px;color:#fff;background:linear-gradient(to top,rgba(0,0,0,.85),transparent);font-family:'Montserrat',sans-serif;font-weight:600;font-size:1rem;transform:translateY(8px);transition:var(--t)}
.work-item:hover img{transform:scale(1.08)}
.work-item:hover span{transform:translateY(0)}

/* About */
.about{background:var(--light)}
.about-content{display:grid;grid-template-columns:1fr 1.1fr;gap:70px;align-items:center}
.about-img{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.about-img img{width:100%;height:550px;object-fit:cover}
.about-badge{position:absolute;left:-20px;bottom:30px;background:var(--primary);color:#fff;padding:22px 28px;border-radius:14px;box-shadow:var(--shadow-lg);text-align:center}
.about-badge strong{display:block;font-family:'Montserrat',sans-serif;font-size:2.2rem;font-weight:800;line-height:1}
.about-badge span{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;opacity:.9}
.about-text h2{font-size:clamp(1.9rem,3vw,2.5rem);margin:8px 0 18px;letter-spacing:-.02em}
.about-text p{color:var(--gray-500);margin-bottom:14px}
.about-features{margin:26px 0 30px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feature{display:flex;align-items:flex-start;gap:10px;font-size:.95rem;color:var(--gray-700)}
.feature i{color:var(--primary);margin-top:3px}

/* Why */
.why{background:var(--secondary);color:#fff;padding:80px 0}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;text-align:center}
.why-item i{font-size:2.4rem;color:var(--accent);margin-bottom:14px}
.why-item h4{color:#fff;font-size:1.15rem;margin-bottom:8px}
.why-item p{color:#cbd5e1;font-size:.93rem}

/* Contact */
.contact{background:#fff;padding-bottom:0}
.contact-container{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:stretch}
.contact-info{background:linear-gradient(160deg,var(--secondary),var(--secondary-2));color:#fff;padding:44px;border-radius:var(--radius);box-shadow:var(--shadow)}
.contact-info h3{color:#fff;font-size:1.5rem;margin-bottom:26px}
.contact-detail{display:flex;gap:16px;align-items:flex-start;margin-bottom:22px}
.contact-detail i{font-size:1.1rem;color:var(--accent);background:rgba(245,158,11,.12);width:42px;height:42px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-detail h4{color:#fff;font-size:1rem;margin-bottom:4px}
.contact-detail p,.contact-detail a{color:#cbd5e1;font-size:.95rem}
.contact-detail a:hover{color:var(--accent)}
.contact-form{background:#fff;padding:44px;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--gray-200)}
.contact-form h3{font-size:1.5rem;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:6px;font-size:.88rem;font-weight:600;color:var(--gray-700)}
.form-control{width:100%;padding:13px 16px;border:1.5px solid var(--gray-200);border-radius:10px;font-family:inherit;font-size:.97rem;transition:var(--t);background:#fff}
.form-control:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 4px rgba(185,28,28,.12)}
textarea.form-control{resize:vertical;min-height:120px}
.privacy{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--gray-500);margin:6px 0 18px;cursor:pointer}
.form-note{text-align:center;font-size:.82rem;color:var(--gray-500);margin-top:14px}
.form-note i{color:var(--primary)}
.map{margin-top:60px;height:420px;background:#eee}
.map iframe{width:100%;height:100%;border:0;display:block}

/* Footer */
footer{background:var(--dark);color:#9ca3af;padding:70px 0 20px}
.footer-content{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
.footer-logo{height:64px;width:64px;background:#fff;border-radius:50%;padding:6px;margin-bottom:18px}
.footer-column h3{color:#fff;font-size:1.05rem;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-column h3::after{content:'';position:absolute;left:0;bottom:0;width:32px;height:3px;background:var(--primary);border-radius:2px}
.footer-column p{color:#9ca3af;font-size:.92rem}
.footer-links{list-style:none}
.footer-links li{margin-bottom:9px;font-size:.92rem}
.footer-links a{color:#9ca3af;transition:var(--t)}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-links i{color:var(--primary);width:18px;margin-right:6px}
.copyright{text-align:center;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);color:#6b7280;font-size:.85rem}

/* Floating */
.float-btn{position:fixed;width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;box-shadow:var(--shadow-lg);z-index:90;transition:var(--t)}
.float-btn:hover{transform:scale(1.1)}
.whatsapp{background:#25d366;bottom:24px;right:24px}
.call{background:var(--primary);bottom:94px;right:24px;display:none}

/* Reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* Responsive */
.hide-sm{display:inline-flex}
@media(max-width:960px){
  .about-content{grid-template-columns:1fr;gap:50px}
  .about-img img{height:400px}
  .contact-container{grid-template-columns:1fr}
  .footer-content{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:768px){
  section{padding:70px 0}
  .hide-sm{display:none}
  .mobile-menu-btn{display:block}
  .nav-links{position:fixed;top:0;right:-100%;height:100vh;width:80%;max-width:320px;background:#fff;flex-direction:column;align-items:flex-start;gap:8px;padding:90px 28px;box-shadow:var(--shadow-lg);transition:right .35s ease}
  .nav-links.active{right:0}
  .nav-links a{width:100%;font-size:1.05rem}
  .nav-links .nav-cta{width:100%;margin-left:0;text-align:center;margin-top:10px}
  .hero{min-height:auto}
  .hero-content{padding:90px 24px}
  .hero-trust{gap:30px}
  .hero-trust strong{font-size:1.6rem}
  .about-features{grid-template-columns:1fr}
  .footer-content{grid-template-columns:1fr;text-align:left}
  .form-row{grid-template-columns:1fr}
  .call{display:flex}
  .contact-info,.contact-form{padding:30px}
}
@media(max-width:480px){
  .topbar{font-size:.78rem}
  .topbar-left span:first-child{display:none}
  .logo img{height:46px;width:46px}
  .logo-main{font-size:1.05rem}
  .logo-sub{font-size:.6rem}
  .hero h1{font-size:2rem}
  .hero p{font-size:1rem}
  .btn{padding:12px 22px;font-size:.88rem}
}