:root{
  --navy:#0B2340;
  --accent:#F6A623;
  --bg:#F5F7FA;
  --white:#FFFFFF;
  --muted:#9BA6B2;
  --container:1200px;
  --radius:8px;
}

*{box-sizing:border-box}
html,body{height:auto;min-height:100%;overflow-x:hidden}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;
  color:#162029;
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
  width:100%;
  max-width:100vw;
}

/* Preloader */
#preloader{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--white);display:flex;align-items:center;justify-content:center;z-index:10000;transition:opacity 0.5s ease}
.preloader-content{text-align:center;animation:fadeInUp 1s ease}
.preloader-logo{width:140px;height:auto;margin-bottom:20px;animation:pulse 2s infinite}
.loading-spinner{width:40px;height:40px;border:4px solid var(--bg);border-top:4px solid var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 15px}
.preloader-content p{color:var(--navy);font-weight:600;margin:0}
@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}100%{opacity:1;transform:translateY(0)}}
.preloader-hidden{opacity:0;pointer-events:none}

/* Layout container */
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;box-sizing:border-box}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;height:72px;background:linear-gradient(180deg,rgba(11,35,64,0.96),rgba(11,35,64,0.96));
  display:flex;align-items:center;z-index:60;box-shadow:0 6px 18px rgba(11,35,64,0.16);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{display:flex;align-items:center;gap:12px;color:var(--white);text-decoration:none;font-weight:700;font-family:'Montserrat',sans-serif;}
.logo-img{width:60px;height:44px;object-fit:contain;border-radius:6px;box-shadow:0 2px 6px rgba(0,0,0,0.12)}
.brand-name{font-size:18px;white-space:nowrap}

/* Navigation */
nav.main-nav{display:flex;gap:18px;align-items:center}
nav.main-nav a{color:var(--white);text-decoration:none;text-transform:uppercase;font-size:13px;letter-spacing:1px;opacity:0.95}
.header-cta{margin-left:16px;background:var(--accent);color:#081827;padding:10px 14px;border-radius:8px;font-weight:600;text-decoration:none}

/* Hero */
.hero{margin-top:72px;min-height:520px;display:flex;align-items:center;
  background:linear-gradient(90deg, rgba(11,35,64,0.64) 30%, rgba(11,35,64,0.18) 60%), url('https://images.unsplash.com/photo-1490623970972-ae8bb3da443e?fm=jpg&q=60&w=3000&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxzZWFyY2h8Mnx8dG9yb250byUyMGNhbmFkYXxlbnwwfHwwfHx8MA%3D%3D') center/cover no-repeat;
  color:var(--white);
}
.hero-inner{display:flex;align-items:center;justify-content:space-between;padding:56px 24px;}
.hero-left{max-width:640px}
.hero-top{margin-bottom:12px}
.hero-badge{display:inline-block;background:var(--white);color:#081827;padding:6px 10px;border-radius:999px;font-weight:700;font-size:12px;letter-spacing:0.6px}
.hero h1{font-family:'Montserrat',sans-serif;font-weight:800;margin:0 0 14px;font-size:44px;line-height:1.02;letter-spacing:0.6px;text-shadow:2px 2px 4px rgba(0,0,0,0.7)}
.hero-sub{margin:0 0 20px;color:#E6EEF7;font-size:18px;text-shadow:2px 2px 8px rgba(0,0,0,0.8);font-weight:500}
.ctas{display:flex;gap:12px}
.btn{display:inline-flex;align-items:center;gap:10px;border:0;padding:12px 18px;border-radius:8px;font-weight:600;text-decoration:none;cursor:pointer}
.btn-primary{background:var(--accent);color:#081827}
.btn-ghost{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,0.18)}

/* Services */
section.services{padding:64px 0;background:var(--white)}
section.services h2{font-family:'Montserrat',sans-serif;font-size:26px;margin:0 0 18px;color:var(--navy)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* service card with example image */
.service-card{background:#fff;border-radius:var(--radius);box-shadow:0 6px 18px rgba(16,24,34,0.06);overflow:hidden;display:flex;flex-direction:column}
.svc-image{width:100%;height:160px;object-fit:cover;display:block}
.svc-body{padding:18px;display:flex;flex-direction:column;gap:10px;min-height:170px}
.svc-icon{width:44px;height:44px;border-radius:8px;background:linear-gradient(180deg,rgba(11,35,64,0.06),rgba(11,35,64,0.02));display:flex;align-items:center;justify-content:center;color:var(--navy);font-weight:700;font-size:18px}
.service-card h3{margin:0;font-size:16px;color:var(--navy);text-transform:uppercase;font-weight:700}
.service-card p{margin:0;color:var(--muted);font-size:14px}
.service-list{margin-top:auto;color:#60707A;font-size:13px}
.service-more{margin-top:10px;color:var(--accent);font-weight:600;text-decoration:none;font-size:14px}

/* Projects Gallery */
section.projects{padding:64px 0;background:var(--bg)}
section.projects h2{font-family:'Montserrat',sans-serif;font-size:26px;margin:0 0 8px;color:var(--navy);text-align:center}
.projects-subtitle{text-align:center;color:var(--muted);margin:0 0 40px;font-size:16px}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:32px}
.gallery-item{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 20px rgba(16,24,34,0.1);transition:transform 0.3s ease,box-shadow 0.3s ease;will-change:transform}
.gallery-item:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(16,24,34,0.15)}
.gallery-item img{width:100%;height:250px;object-fit:cover;display:block}
.gallery-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(11,35,64,0.9));color:var(--white);padding:20px;transform:translateY(100%);transition:transform 0.3s ease;will-change:transform}
.gallery-item:hover .gallery-overlay{transform:translateY(0)}
.gallery-item.highlight{transform:translateY(-5px);box-shadow:0 12px 30px rgba(246,166,35,0.4);border:2px solid var(--accent)}
.gallery-overlay h3{margin:0 0 4px;font-size:16px;font-weight:600}
.gallery-overlay p{margin:0;font-size:14px;opacity:0.9}

/* Contact Modal */
.modal{display:none;position:fixed;z-index:2000;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px)}
.modal-content{background:var(--white);margin:5% auto;padding:0;width:90%;max-width:500px;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,0.3);animation:modalSlideIn 0.3s ease}
.modal-header{background:var(--navy);color:var(--white);padding:24px;border-radius:12px 12px 0 0;display:flex;align-items:center;gap:16px}
.modal-logo{width:40px;height:30px;object-fit:contain}
.modal-header h2{margin:0;font-family:'Montserrat',sans-serif;font-size:20px}
.modal-body{padding:24px}
.contact-info{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}
.contact-item{display:flex;flex-direction:column;gap:4px}
.contact-item strong{color:var(--navy);font-size:14px}
.contact-item a{color:var(--accent);text-decoration:none;font-weight:600}
.contact-item a:hover{text-decoration:underline}
.contact-item span{color:#666;font-size:14px}
.modal-actions{display:flex;gap:12px}
.close{color:#aaa;float:right;font-size:28px;font-weight:bold;position:absolute;right:20px;top:20px;cursor:pointer}
.close:hover{color:var(--white)}
@keyframes modalSlideIn{from{opacity:0;transform:translateY(-50px)}to{opacity:1;transform:translateY(0)}}

/* Contact */
.contact{background:var(--navy);color:var(--white);padding:48px 0}
.contact-inner{display:flex;gap:24px;align-items:flex-start;justify-content:space-between}
.logo-small{display:flex;align-items:center;gap:12px}
.company-name{margin:0;font-family:'Montserrat',sans-serif}
.contact-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.contact-list li{display:flex;gap:10px;align-items:center;color:#E6EEF7;font-size:16px;word-break:break-word}
.contact-note{color:#B6C6D4;font-size:13px;margin-top:8px}
.contact-highlight{color:var(--accent);font-weight:600;text-decoration:none}
.contact-highlight:hover{text-decoration:underline}
.contact-right{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.hours{background:rgba(255,255,255,0.04);padding:12px;border-radius:8px;color:var(--white)}

/* WhatsApp Float Button */
.whatsapp-message{position:fixed;bottom:100px;right:25px;background:#25D366;color:white;padding:8px 12px;border-radius:20px;font-size:14px;font-weight:600;z-index:1001;opacity:0;transform:translateY(10px);transition:all 0.3s ease;box-shadow:0 4px 12px rgba(37,211,102,0.4)}
.whatsapp-message.show{opacity:1;transform:translateY(0)}
.whatsapp-float{position:fixed;bottom:20px;right:20px;width:72px;height:72px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;text-decoration:none;box-shadow:0 4px 12px rgba(37,211,102,0.4);z-index:1000;transition:transform 0.3s ease}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 16px rgba(37,211,102,0.6)}

/* Footer */
footer.site-footer{background:#071827;color:#8EA0B3;padding:18px 0;text-align:center;font-size:13px}

/* Responsive */
@media (max-width:1000px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:40px}
  .carousel-item img{height:300px}
}
@media (max-width:720px){
  .container{padding:0 16px}
  nav.main-nav{display:none}
  .header-cta{display:none}
  .brand-name{font-size:14px}
  .hero{min-height:420px}
  .hero-inner{flex-direction:column;align-items:flex-start;padding:36px 16px}
  .hero h1{font-size:32px;line-height:1.1}
  .hero-sub{font-size:16px}
  .services-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr;gap:16px}
  .contact-inner{flex-direction:column;align-items:center;text-align:center;gap:16px}
  .contact-right{align-items:center;width:100%}
  .contact-list{width:100%}
  .contact-list li{font-size:14px;justify-content:center;flex-wrap:wrap}
  .contact-highlight{word-break:break-all;text-align:center}
  .hours{text-align:center;width:100%}
  .whatsapp-float{bottom:15px;right:15px;width:67px;height:67px}
  .whatsapp-message{bottom:90px;right:20px;font-size:13px;padding:6px 10px}
}

@media (max-width:480px){
  .container{padding:0 12px}
  .hero-inner{padding:24px 12px}
  .hero h1{font-size:28px}
  .hero-badge{font-size:11px;padding:4px 8px}
  .contact-list li{font-size:13px}
  .contact-highlight{font-size:12px}
  .hours{font-size:13px;padding:8px}
  .btn{padding:10px 14px;font-size:14px}
}