:root{
  --primary: #1b41da;
  --primary-2: #123297;
  --muted: #6b7280;
  --bg: #ffffff;
  --surface: #f8fafc;
  --radius: 12px;
  --max: 1200px;
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Reset & helpers */
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:#081126;line-height:1.5;font-size:16px}
.wrap{width:90%;max-width:var(--max);margin:0 auto;padding:48px 0}

/* Header */
.site-header{position:sticky;top:0;background:rgba(255,255,255,0.85);backdrop-filter: blur(6px);border-bottom:1px solid rgba(6,10,20,0.04);z-index:80}
.header-row{display:flex;align-items:center;gap:16px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo{width:auto;height:48px}
.brand-title{font-weight:700;color:var(--primary)}
.nav{margin-left:auto;display:flex;gap:18px}
.nav-link{color:var(--muted);text-decoration:none;padding:8px;border-radius:8px;font-weight:600}
.nav-link:hover,.nav-link.active{color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-block;padding:10px 18px;border-radius:10px;font-weight:700;text-decoration:none;border:0;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 28px rgba(27,65,218,0.12)}
.btn-primary:hover{transform:translateY(-3px)}
.btn-outline{background:transparent;border:2px solid rgba(27,65,218,0.12);color:var(--primary)}
.hamburger{display:none;background:none;border:0;width:42px;height:42px}
.hamburger span{display:block;height:2px;background:var(--primary);margin:7px 0;border-radius:2px}

/* mobile menu */
.mobile-menu{display:none;position:fixed;inset:0;background:rgba(8,13,25,0.85);color:#fff;padding:80px 20px;flex-direction:column;gap:18px;z-index:90}
.mobile-link{color:#fff;text-decoration:none;font-size:18px;padding:10px 0;display:block}

/* Hero */
.hero{padding-top:36px;padding-bottom:8px}
.hero-grid{display:grid;grid-template-columns:1fr 520px;gap:32px;align-items:center}
.hero-title{font-size:44px;line-height:1.02;margin:0 0 14px}
.hero-sub{color:var(--muted);margin:0 0 18px}
.hero-ctas{display:flex;gap:12px;align-items:center}
.hero-visual{position:relative;border-radius:18px;padding:18px;background:linear-gradient(135deg, rgba(27,65,218,0.06), rgba(18,50,151,0.03))}
.hero-visual img{width:100%;display:block;border-radius:12px;box-shadow:0 12px 40px rgba(2,6,23,0.06)}
.floating-shape{position:absolute;border-radius:12px;opacity:.9;filter:blur(6px)}
.floating-shape.s1{width:80px;height:80px;background:linear-gradient(135deg,var(--primary),var(--primary-2));top:-18px;right:16px}
.floating-shape.s2{width:48px;height:48px;background:rgba(18,50,151,0.12);bottom:-16px;left:14px}
.floating-shape.s3{width:36px;height:36px;background:rgba(27,65,218,0.14);top:36%;left:-18px}

/* Sections */
.section{padding:48px 0}
.section-title{text-align:center;font-size:28px;margin:0 0 12px}
.lead{text-align:center;color:var(--muted);max-width:780px;margin:0 auto 28px}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.highlights{list-style:none;padding:0;margin:0}
.highlights li{display:flex;gap:12px;padding:14px 0;color:var(--muted);font-weight:600;align-items:center}
.highlights .icon{display:inline-flex;align-items:center;justify-content:center;background:rgba(27,65,218,0.06);color:var(--primary);width:36px;height:36px;border-radius:8px}
.about-cards{display:grid;gap:12px}
.card{background:#fff;padding:18px;border-radius:14px;box-shadow:0 10px 30px rgba(12,20,40,0.04)}

/* Services */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service{background:#fff;padding:22px;border-radius:14px;text-align:center;box-shadow:0 10px 30px rgba(12,20,40,0.04)}
.service-ico{font-size:28px;margin-bottom:12px;color:var(--primary)}

/* Portfolio */
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.project{position:relative;overflow:hidden;border-radius:12px;cursor:pointer}
.project img{width:100%;height:220px;object-fit:cover;display:block;transition:transform .35s}
.project figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px;color:#fff;background:linear-gradient(180deg,transparent,rgba(2,6,23,0.6));font-weight:700}
.project:hover img{transform:scale(1.06)}

/* Lightbox */
.lightbox{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(2,6,23,0.85);z-index:120;padding:24px}
.lightbox img{max-width:90%;max-height:70vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,0.6)}
.lb-close{position:absolute;top:20px;right:24px;background:none;border:0;color:#fff;font-size:34px}
.lb-title{color:#fff;margin-top:12px;text-align:center}

/* Counters */
.counters-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.counter{background:#fff;padding:20px;border-radius:12px;text-align:center;box-shadow:0 10px 30px rgba(12,20,40,0.04)}
.number{font-size:26px;color:var(--primary);font-weight:800}

/* Testimonials */
.testimonials .slider{position:relative;max-width:900px;margin:0 auto}
.slide{display:none;background:#fff;padding:28px;border-radius:14px;box-shadow:0 10px 30px rgba(12,20,40,0.04);text-align:center}
.slide.active{display:block}
.slider-controls{display:flex;gap:8px;justify-content:center;margin-top:14px}
.slider-controls button{background:var(--surface);border:0;padding:8px 12px;border-radius:8px;cursor:pointer}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 360px;gap:28px;align-items:start}
.form input,.form textarea{width:100%;padding:12px;border-radius:10px;border:1px solid rgba(6,10,20,0.06);margin-bottom:12px;font-size:15px}
.row{display:flex;gap:12px}
.form-actions{display:flex;flex-direction:column;gap:12px}
.form-status{color:var(--muted);margin-top:6px}

/* Footer */
.site-footer{background:#071130;color:#fff;padding:28px 0}
.footer-row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.logo-small{width:auto;height:auto}

/* Responsive */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .counters-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:720px){
  .nav{display:none}
  .hamburger{display:block}
  .mobile-menu{display:flex}
  .mobile-menu.hidden{display:none}
  .portfolio-grid{grid-template-columns:1fr}
  .services-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-row{flex-direction:column;text-align:center}
}