/* =========================================================
   Zelos Infotech - Main Stylesheet
   ========================================================= */
:root{
  --primary:#2563EB;
  --primary-dark:#1d4ed8;
  --navy:#0F172A;
  --accent-purple:#8B5CF6;
  --accent-cyan:#06B6D4;
  --white:#ffffff;
  --gray-light:#F1F5F9;
  --gray-mid:#64748B;
  --text-dark:#0F172A;
  --text-light:#F8FAFC;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-soft:0 10px 30px rgba(15,23,42,.08);
  --shadow-strong:0 20px 50px rgba(15,23,42,.18);
  --header-h:76px;
  --bg:#ffffff;
  --surface:#ffffff;
  --text:var(--text-dark);
  --border:#E2E8F0;
}

[data-theme="dark"]{
  --bg:#0B1220;
  --surface:#121B2E;
  --text:#E5E9F0;
  --border:#22304a;
  --gray-light:#141e33;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  overflow-x:hidden;
  transition:background .3s ease,color .3s ease;
}
h1,h2,h3,h4,h5,h6,.font-heading{
  font-family:'Poppins',sans-serif;
  font-weight:700;
  color:var(--text);
}
a{text-decoration:none;color:inherit;}
img{max-width:100%;height:auto;display:block;}
.section{padding:80px 0;}
@media(max-width:768px){.section{padding:56px 0;}}
.text-gradient{
  background:linear-gradient(90deg,var(--accent-purple),var(--accent-cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.bg-navy{background:var(--navy)!important;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--primary);background:rgba(37,99,235,.1);
  padding:6px 16px;border-radius:50px;margin-bottom:16px;
}

/* Buttons */
.btn{border-radius:50px;font-weight:600;padding:12px 28px;transition:.25s ease;}
.btn-primary{background:var(--primary);border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);}
.btn-gradient{
  background:linear-gradient(90deg,var(--primary),var(--accent-purple));
  border:none;color:#fff;
}
.btn-gradient:hover{filter:brightness(1.08);transform:translateY(-2px);color:#fff;}
.btn-outline-light{border-radius:50px;}
.btn-lg{padding:14px 34px;font-size:1rem;}

/* ===== Sticky Header ===== */
#mainHeader{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  height:var(--header-h);
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(226,232,240,.6);
  transition:all .3s ease;
}
[data-theme="dark"] #mainHeader{background:rgba(11,18,32,.85);border-color:#1e2a42;}
#mainHeader.scrolled{box-shadow:var(--shadow-soft);}
.navbar-brand img{height:38px;}
.navbar-nav .nav-link{
  font-weight:600;color:var(--text)!important;padding:10px 16px!important;
  position:relative;
}
.navbar-nav .nav-link.active,.navbar-nav .nav-link:hover{color:var(--primary)!important;}
.dropdown-menu{border:none;border-radius:var(--radius-md);box-shadow:var(--shadow-strong);padding:14px;}
.dropdown-item{border-radius:10px;padding:10px 14px;font-weight:500;}
.dropdown-item:hover{background:var(--gray-light);color:var(--primary);}
.theme-toggle-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--border);
  display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--text);
}

/* ===== Hero ===== */
.hero{
  padding:calc(var(--header-h) + 60px) 0 60px;
  background:radial-gradient(circle at 15% 20%, rgba(37,99,235,.10), transparent 40%),
             radial-gradient(circle at 85% 10%, rgba(139,92,246,.12), transparent 45%),
             var(--bg);
  position:relative;overflow:hidden;
}
.hero h1{font-size:clamp(2rem,4.2vw,3.4rem);line-height:1.15;}
.hero p.lead{color:var(--gray-mid);font-size:1.15rem;max-width:560px;}
.hero-mockups{position:relative;min-height:380px;}
.mockup-card{
  border-radius:var(--radius-lg);box-shadow:var(--shadow-strong);
  background:var(--surface);border:1px solid var(--border);overflow:hidden;
}
.mockup-laptop{width:88%;position:relative;z-index:2;}
.mockup-mobile{
  width:34%;position:absolute;right:-4%;bottom:-6%;z-index:3;
  border-radius:26px;border:6px solid var(--navy);
}
.mockup-dashboard{
  width:52%;position:absolute;left:-6%;bottom:6%;z-index:1;
  transform:rotate(-4deg);
}
.glass-badge{
  position:absolute;background:rgba(255,255,255,.75);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.5);border-radius:var(--radius-md);
  padding:10px 16px;box-shadow:var(--shadow-soft);font-weight:600;font-size:.85rem;
  display:flex;align-items:center;gap:8px;
}
[data-theme="dark"] .glass-badge{background:rgba(18,27,46,.75);border-color:#22304a;}

/* ===== Trust / Counters ===== */
.trust-strip{
  background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:28px 0;
}
.trust-item{display:flex;align-items:center;gap:10px;font-weight:600;justify-content:center;}
.trust-item i{color:var(--primary);font-size:1.2rem;}
.counter-num{font-family:'Poppins',sans-serif;font-weight:700;font-size:2.2rem;color:var(--primary);}

/* ===== Cards ===== */
.glass-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:32px 26px;height:100%;
  transition:transform .3s ease,box-shadow .3s ease;
}
.glass-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-strong);}
.icon-box{
  width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--accent-purple));color:#fff;font-size:1.5rem;margin-bottom:18px;
}
.service-card .icon-box{margin-bottom:18px;}
.industry-pill{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:22px 12px;text-align:center;font-weight:600;transition:.25s;height:100%;
}
.industry-pill i{font-size:1.8rem;color:var(--primary);display:block;margin-bottom:10px;}
.industry-pill:hover{background:var(--primary);color:#fff;transform:translateY(-4px);}
.industry-pill:hover i{color:#fff;}

/* ===== Process Steps ===== */
.process-track{display:flex;flex-wrap:wrap;gap:0;justify-content:center;}
.process-step{
  flex:1 1 150px;max-width:170px;text-align:center;position:relative;padding:0 8px;
}
.process-step .num{
  width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent-cyan));
  color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-weight:700;font-family:'Poppins';
}
.process-step:not(:last-child)::after{
  content:'';position:absolute;top:28px;left:calc(50% + 40px);width:calc(100% - 40px);height:2px;
  background:repeating-linear-gradient(90deg,var(--border) 0 6px,transparent 6px 12px);
}

/* ===== Portfolio ===== */
.portfolio-item{border-radius:var(--radius-lg);overflow:hidden;position:relative;box-shadow:var(--shadow-soft);}
.portfolio-item img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:.4s ease;}
.portfolio-item:hover img{transform:scale(1.06);}
.portfolio-overlay{
  position:absolute;inset:0;background:linear-gradient(to top,rgba(15,23,42,.9),transparent 60%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:20px;color:#fff;
}
.filter-btn{
  border:1px solid var(--border);background:var(--surface);border-radius:50px;padding:8px 22px;
  font-weight:600;font-size:.9rem;margin:4px;
}
.filter-btn.active,.filter-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary);}

/* ===== Tech logos ===== */
.tech-badge{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:18px 10px;text-align:center;font-weight:600;font-size:.85rem;height:100%;
}
.tech-badge i{font-size:1.8rem;color:var(--primary);display:block;margin-bottom:8px;}

/* ===== Testimonials ===== */
.testimonial-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;height:100%;
}
.testimonial-card .stars{color:#F59E0B;margin-bottom:10px;}

/* ===== FAQ ===== */
.accordion-item{border:1px solid var(--border);border-radius:var(--radius-md)!important;overflow:hidden;margin-bottom:12px;background:var(--surface);}
.accordion-button{font-weight:600;background:var(--surface);color:var(--text);}
.accordion-button:not(.collapsed){color:var(--primary);background:var(--gray-light);}
.accordion-button:focus{box-shadow:none;}

/* ===== Footer ===== */
footer{background:var(--navy);color:#CBD5E1;padding:64px 0 0;}
footer h5{color:#fff;font-size:1.05rem;margin-bottom:20px;}
footer a{color:#CBD5E1;}
footer a:hover{color:#fff;}
footer ul{list-style:none;padding:0;margin:0;}
footer ul li{margin-bottom:10px;}
.social-icon{
  width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);
  display:inline-flex;align-items:center;justify-content:center;margin-right:8px;
}
.social-icon:hover{background:var(--primary);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:20px 0;font-size:.9rem;}

/* ===== Sticky WhatsApp / Call ===== */
.sticky-actions{position:fixed;right:18px;bottom:22px;z-index:1100;display:flex;flex-direction:column;gap:12px;}
.sticky-btn{
  width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.5rem;box-shadow:var(--shadow-strong);
}
.sticky-btn.whatsapp{background:#25D366;}
.sticky-btn.call{background:var(--primary);}

/* ===== Popups ===== */
.zi-popup-overlay{
  position:fixed;inset:0;background:rgba(15,23,42,.6);z-index:2000;
  display:none;align-items:center;justify-content:center;padding:16px;
}
.zi-popup-overlay.show{display:flex;}
.zi-popup-box{
  background:var(--surface);border-radius:var(--radius-lg);max-width:440px;width:100%;
  padding:34px;position:relative;box-shadow:var(--shadow-strong);
}
.zi-popup-close{position:absolute;top:14px;right:16px;background:none;border:none;font-size:1.3rem;color:var(--gray-mid);}

/* ===== Utility ===== */
.badge-soft{background:rgba(37,99,235,.1);color:var(--primary);border-radius:50px;padding:6px 14px;font-weight:600;font-size:.8rem;}
.form-control,.form-select{
  border-radius:var(--radius-sm);padding:12px 16px;border:1px solid var(--border);background:var(--surface);color:var(--text);
}
.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15);}
.card-contact{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-soft);}

/* AOS-lite fade animation (lightweight, no external lib dependency required) */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.fade-up.in-view{opacity:1;transform:translateY(0);}

/* Breadcrumb / page header */
.page-header{
  padding:calc(var(--header-h) + 50px) 0 50px;
  background:linear-gradient(135deg,var(--navy),#1e293b);color:#fff;text-align:center;
}
.page-header h1{color:#fff;}
.page-header .breadcrumb{justify-content:center;background:transparent;margin:0;}
.page-header .breadcrumb a{color:#94A3B8;}
.page-header .breadcrumb .active{color:#fff;}

@media(max-width:991px){
  .hero-mockups{margin-top:40px;}
  .process-step:not(:last-child)::after{display:none;}
}