:root{
  --primary: #0b3d91;
  --secondary: #f5a623;
  --dark: #0a1128;
  --light: #f7f8fa;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Segoe UI',Arial,sans-serif;color:#1c1c1c;background:var(--light);line-height:1.6;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.container{max-width:1180px;margin:0 auto;padding:0 20px;}
.btn{display:inline-block;padding:13px 28px;border-radius:6px;font-weight:600;transition:.25s;border:2px solid transparent;cursor:pointer;}
.btn-primary{background:var(--secondary);color:#1c1c1c;}
.btn-primary:hover{background:#e0951f;transform:translateY(-2px);}
.btn-outline{border-color:#fff;color:#fff;}
.btn-outline:hover{background:#fff;color:var(--dark);}

/* HEADER */
header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,17,40,.92);backdrop-filter:blur(6px);}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:16px 0;}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:700;}
.logo span{color:var(--secondary);}
nav ul{display:flex;gap:28px;list-style:none;}
nav ul li a{color:#fff;font-weight:500;font-size:15px;}
nav ul li a:hover{color:var(--secondary);}
.nav-phone{color:var(--secondary);font-weight:700;}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:26px;cursor:pointer;}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;background:
  linear-gradient(120deg,rgba(10,17,40,.88),rgba(11,61,145,.78)),
  url('https://images.unsplash.com/photo-1582268611958-ebfd161ef9cf?auto=format&fit=crop&w=1600&q=80') center/cover;
  color:#fff;padding-top:90px;}
.hero-content{max-width:680px;}
.hero h1{font-size:46px;line-height:1.2;margin-bottom:18px;font-weight:800;}
.hero p{font-size:18px;color:#dfe3ef;margin-bottom:30px;}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap;}
.hero-badges{display:flex;gap:30px;margin-top:50px;flex-wrap:wrap;}
.badge{text-align:center;}
.badge b{display:block;font-size:28px;color:var(--secondary);}
.badge span{font-size:13px;color:#cfd4e3;}

/* SECTION GENERIC */
section{padding:80px 0;}
.section-title{text-align:center;margin-bottom:50px;}
.section-title h2{font-size:34px;color:var(--dark);margin-bottom:12px;}
.section-title p{color:#666;max-width:600px;margin:0 auto;}
.section-title .tag{display:inline-block;background:var(--secondary);color:#1c1c1c;padding:5px 16px;border-radius:20px;font-size:13px;font-weight:700;margin-bottom:14px;}

/* SERVICES */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.service-card{background:#fff;border-radius:12px;padding:32px 26px;box-shadow:0 6px 24px rgba(0,0,0,.06);transition:.25s;border-top:4px solid var(--secondary);}
.service-card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(0,0,0,.12);}
.service-icon{font-size:38px;margin-bottom:16px;}
.service-card h3{font-size:19px;margin-bottom:10px;color:var(--dark);}
.service-card p{font-size:15px;color:#666;}

/* ABOUT */
.about{background:#fff;}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
.about-text h2{font-size:32px;color:var(--dark);margin-bottom:18px;}
.about-text p{color:#555;margin-bottom:14px;white-space:pre-line;}
.about-img img{border-radius:14px;box-shadow:0 18px 40px rgba(0,0,0,.15);}

/* GALLERY */
.gallery{background:var(--light);}
.gallery-filters{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:36px;}
.gallery-filters button{padding:9px 20px;border-radius:20px;border:2px solid #ddd;background:#fff;cursor:pointer;font-weight:600;font-size:14px;transition:.2s;}
.gallery-filters button.active,.gallery-filters button:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.gallery-item{position:relative;border-radius:10px;overflow:hidden;aspect-ratio:1/1;cursor:pointer;}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.3s;}
.gallery-item:hover img{transform:scale(1.08);}
.gallery-item .overlay{position:absolute;inset:0;background:linear-gradient(transparent 50%,rgba(0,0,0,.75));display:flex;align-items:flex-end;padding:14px;opacity:0;transition:.3s;}
.gallery-item:hover .overlay{opacity:1;}
.gallery-item .overlay span{color:#fff;font-weight:600;font-size:14px;}
.gallery-empty{text-align:center;color:#888;padding:40px;}

/* LIGHTBOX */
.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:2000;align-items:center;justify-content:center;}
.lightbox.active{display:flex;}
.lightbox img{max-width:90%;max-height:85%;border-radius:8px;}
.lightbox-close{position:absolute;top:24px;right:32px;color:#fff;font-size:36px;cursor:pointer;}

/* WHY US / STATS */
.why{background:var(--dark);color:#fff;}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.why-item .num{font-size:40px;font-weight:800;color:var(--secondary);}
.why-item .label{color:#cfd4e3;margin-top:6px;}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;}
.contact-info-card{background:var(--primary);color:#fff;border-radius:14px;padding:36px;}
.contact-info-card h3{font-size:24px;margin-bottom:20px;}
.contact-info-card .row{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start;}
.contact-info-card .row .ic{font-size:20px;}
form.contact-form{background:#fff;border-radius:14px;padding:36px;box-shadow:0 6px 24px rgba(0,0,0,.06);}
form.contact-form input,form.contact-form textarea{width:100%;padding:13px;margin-bottom:14px;border:1px solid #ddd;border-radius:8px;font-size:15px;font-family:inherit;}
form.contact-form button{width:100%;}
.alert{padding:14px 18px;border-radius:8px;margin-bottom:18px;font-weight:600;}
.alert-success{background:#d4f8e8;color:#0a6e3d;}
.alert-error{background:#fde2e1;color:#a3261c;}

/* CTA STRIP */
.cta-strip{background:var(--secondary);text-align:center;padding:50px 0;}
.cta-strip h2{font-size:28px;color:var(--dark);margin-bottom:18px;}

/* FOOTER */
footer{background:var(--dark);color:#cfd4e3;padding:50px 0 24px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:30px;}
.footer-grid h4{color:#fff;margin-bottom:16px;font-size:17px;}
.footer-grid ul{list-style:none;}
.footer-grid ul li{margin-bottom:9px;}
.footer-grid ul li a:hover{color:var(--secondary);}
.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:14px;color:#8d93a8;}
.social-icons{display:flex;gap:14px;margin-top:14px;}
.social-icons a{background:rgba(255,255,255,.08);width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;}
.social-icons a:hover{background:var(--secondary);color:var(--dark);}

.whatsapp-float{position:fixed;bottom:24px;right:24px;background:#25D366;color:#fff;width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;box-shadow:0 6px 20px rgba(0,0,0,.3);z-index:999;}

@media(max-width:900px){
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .about-grid,.contact-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .why-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
  .footer-grid{grid-template-columns:1fr;}
  nav{position:fixed;top:70px;left:0;right:0;background:var(--dark);flex-direction:column;padding:20px;display:none;}
  nav.open{display:block;}
  nav ul{flex-direction:column;gap:18px;}
  .menu-toggle{display:block;}
  .hero h1{font-size:32px;}
}
@media(max-width:600px){
  .services-grid,.gallery-grid{grid-template-columns:1fr;}
}