:root{
  --brand:#4f46e5;
  --brand-dark:#3730a3;
  --brand-light:#eef2ff;
  --dark:#0f172a;
  --text-muted:#64748b;
}
*{box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:#1e293b;line-height:1.6}
a{color:var(--brand);text-decoration:none}
.text-brand{color:var(--brand)}
.bg-brand{background:var(--brand)}

/* Header */
.site-header{position:sticky;top:0;background:#fff;z-index:1000;box-shadow:0 1px 0 rgba(0,0,0,.06)}
.site-nav-link{color:#334155;font-weight:500;font-size:14.5px;position:relative;padding-bottom:4px}
.site-nav-link.active,.site-nav-link:hover{color:var(--brand)}
.site-nav-link.active::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--brand);border-radius:2px}

/* Hero */
.hero-section{background:linear-gradient(135deg,var(--dark) 0%,#1e1b4b 100%);color:#fff;position:relative;overflow:hidden}
.hero-section::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(99,102,241,.25),transparent 50%)}
.hero-section .container{position:relative;z-index:2}
.hero-highlight{color:#a5b4fc}

/* Sections */
.section{padding:80px 0}
.section-sm{padding:56px 0}
.section-title{font-weight:700;font-size:2rem;margin-bottom:12px}
.section-subtitle{color:var(--text-muted);max-width:600px}
.eyebrow{color:var(--brand);font-weight:700;text-transform:uppercase;font-size:12px;letter-spacing:.08em}

/* Cards */
.feature-card,.service-card,.product-card,.portfolio-card{
  border:1px solid #eef0f4;border-radius:16px;transition:all .25s ease;background:#fff;height:100%;
}
.feature-card:hover,.service-card:hover,.product-card:hover,.portfolio-card:hover{
  box-shadow:0 20px 40px rgba(15,23,42,.08);transform:translateY(-4px);border-color:transparent;
}
.icon-box{
  width:52px;height:52px;border-radius:14px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.card-img-top{height:190px;object-fit:cover;border-radius:16px 16px 0 0}

/* Stats */
.stat-block{text-align:center}
.stat-number{font-size:2.4rem;font-weight:800;color:var(--brand)}

/* Process steps */
.process-step{text-align:center;position:relative}
.process-step .step-circle{
  width:56px;height:56px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 16px;
}

/* Testimonials */
.testimonial-card{border-radius:16px;background:#fff;border:1px solid #eef0f4;padding:28px}
.rating i{color:#f59e0b}

/* CTA */
.cta-section{background:linear-gradient(135deg,var(--brand),var(--brand-dark));border-radius:24px;color:#fff}

/* Footer */
.site-footer{background:var(--dark)}
.footer-links li{margin-bottom:8px;color:#cbd5e1}
.footer-links a{color:#cbd5e1;font-size:14px}
.footer-links a:hover{color:#fff}
.footer-contact li{display:flex;align-items:flex-start;gap:2px;line-height:1.5}
.footer-contact a{color:#e2e8f0;font-weight:500}
.footer-contact a:hover{color:#fff}
.footer-contact i{color:var(--brand-light);width:16px;margin-top:3px;flex-shrink:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08)}
.social-icon{
  width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.social-icon:hover{background:var(--brand);color:#fff}

/* Floating buttons */
.floating-btn{
  position:fixed;right:20px;width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;
  box-shadow:0 8px 20px rgba(0,0,0,.2);z-index:999;
}
.whatsapp-btn{bottom:90px;background:#25d366}
.call-btn{bottom:20px;background:var(--brand)}

/* Breadcrumb / page banner */
.page-banner{background:linear-gradient(135deg,var(--dark),#1e1b4b);color:#fff;padding:60px 0}

@media (max-width:991.98px){
  .section{padding:56px 0}
}

/* Gallery */
.gallery-grid{
  columns:4 220px;column-gap:16px;
}
.gallery-item{
  display:block;position:relative;margin-bottom:16px;break-inside:avoid;
  border-radius:14px;overflow:hidden;box-shadow:0 2px 10px rgba(15,23,42,.06);
}
.gallery-item img{width:100%;display:block;transition:transform .35s ease}
.gallery-overlay{
  position:absolute;inset:0;background:rgba(15,23,42,.45);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:22px;
  opacity:0;transition:opacity .25s ease;
}
.gallery-item:hover img{transform:scale(1.06)}
.gallery-item:hover .gallery-overlay{opacity:1}

@media (max-width:767.98px){
  .gallery-grid{columns:2 160px}
}

.lightbox{
  display:none;position:fixed;inset:0;background:rgba(10,10,15,.94);z-index:2000;
  align-items:center;justify-content:center;flex-direction:column;padding:24px;
}
.lightbox.active{display:flex}
.lightbox img{max-width:90vw;max-height:80vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox-caption{color:#e2e8f0;margin-top:16px;font-size:14px;text-align:center;max-width:80vw}
.lightbox-close{
  position:absolute;top:20px;right:28px;background:none;border:0;color:#fff;
  font-size:36px;line-height:1;cursor:pointer;opacity:.8;
}
.lightbox-close:hover{opacity:1}
.lightbox-nav{
  position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);
  border:0;color:#fff;width:48px;height:48px;border-radius:50%;font-size:18px;cursor:pointer;
}
.lightbox-nav:hover{background:var(--brand)}
.lightbox-prev{left:20px}
.lightbox-next{right:20px}
@media (max-width:575.98px){
  .lightbox-nav{width:40px;height:40px;font-size:15px}
  .lightbox-prev{left:8px}
  .lightbox-next{right:8px}
}