/* ==========================================================================
   NETXUS SOLUTIONS — DESIGN SYSTEM
   Primary: Deep Blue | Secondary: White | Accent: Electric Cyan | Neutral: Gray
   Display: Sora | Body: Inter | Data/Labels: IBM Plex Mono
   ========================================================================== */

:root{
  /* Color */
  --navy-900:#081733;
  --blue-900:#0A1F44;
  --blue-800:#0E2A5E;
  --blue-700:#133B82;
  --blue-600:#1B4FA6;
  --cyan-500:#12B7E8;
  --cyan-400:#4ED2F5;
  --cyan-050:#E6F9FE;
  --white:#FFFFFF;
  --paper:#F5F8FC;
  --paper-alt:#EEF2F8;
  --gray-900:#16202E;
  --gray-700:#3B4657;
  --gray-600:#5B6472;
  --gray-400:#8B95A5;
  --gray-300:#D6DDE6;
  --gray-100:#EDF1F6;
  --ok:#1FCB8C;

  /* Elevation */
  --shadow-sm:0 2px 8px rgba(10,31,68,0.06);
  --shadow-md:0 10px 28px rgba(10,31,68,0.10);
  --shadow-lg:0 20px 48px rgba(10,31,68,0.16);

  /* Shape */
  --radius-sm:6px;
  --radius:10px;
  --radius-lg:18px;
  --maxw:1280px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--white);
  color:var(--gray-900);
  font-family:'Inter',sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Sora',sans-serif;
  font-weight:700;
  color:var(--blue-900);
  margin:0;
  line-height:1.15;
  letter-spacing:-0.01em;
}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

.mono{font-family:'IBM Plex Mono',monospace;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
@media(max-width:640px){.wrap{padding:0 20px;}}

/* Skip link / accessibility */
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--cyan-500);color:var(--blue-900);
  padding:12px 20px;z-index:999;font-weight:600;border-radius:0 0 6px 0;
}
.skip-link:focus{left:0;}
:focus-visible{outline:3px solid var(--cyan-500);outline-offset:2px;}

/* Eyebrow */
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:12.5px;font-weight:500;letter-spacing:0.12em;text-transform:uppercase;
  color:var(--blue-700);display:inline-flex;align-items:center;gap:8px;
}
.eyebrow.on-dark{color:var(--cyan-400);}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--cyan-500);display:inline-block;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:'Inter',sans-serif;font-weight:600;font-size:14.5px;
  padding:14px 26px;border-radius:var(--radius-sm);cursor:pointer;
  border:1px solid transparent;transition:all .18s ease;white-space:nowrap;
}
.btn-primary{background:var(--cyan-500);color:var(--blue-900);}
.btn-primary:hover{background:var(--cyan-400);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-outline{border-color:var(--gray-300);color:var(--blue-900);background:var(--white);}
.btn-outline:hover{border-color:var(--blue-700);background:var(--paper);}
.btn-outline-dark{border-color:rgba(255,255,255,0.28);color:var(--white);background:transparent;}
.btn-outline-dark:hover{border-color:var(--cyan-400);background:rgba(255,255,255,0.06);}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px;font-size:13.5px;}

/* ================= HEADER / NAV ================= */
header.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--gray-100);
}
.topbar{
  background:var(--blue-900);color:rgba(255,255,255,0.75);
  font-family:'IBM Plex Mono',monospace;font-size:12px;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding:8px 32px;flex-wrap:wrap;gap:6px;}
.topbar a{color:rgba(255,255,255,0.75);transition:color .15s;}
.topbar a:hover{color:var(--cyan-400);}
.topbar-links{display:flex;gap:22px;}

nav.mainnav{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--maxw);margin:0 auto;padding:16px 32px;
}
@media(max-width:640px){nav.mainnav{padding:14px 20px;}}
.logo{display:flex;align-items:center;gap:10px;font-family:'Sora',sans-serif;font-weight:700;font-size:20px;color:var(--blue-900);}
.logo .mark{
  width:34px;height:34px;border-radius:8px;
  background:linear-gradient(135deg,var(--blue-800),var(--cyan-500));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:700;
}
.navlinks{display:flex;align-items:center;gap:8px;}
.navlinks > li{position:relative;}
.navlinks > li > a, .navlinks > li > button{
  display:flex;align-items:center;gap:5px;padding:10px 14px;border-radius:6px;
  font-size:14.5px;font-weight:500;color:var(--gray-700);background:none;border:none;cursor:pointer;
  transition:color .15s,background .15s;
}
.navlinks > li > a:hover, .navlinks > li > button:hover{color:var(--blue-800);background:var(--paper);}
.navlinks > li.active > a{color:var(--blue-800);}
.caret{transition:transform .15s;}
.navlinks li:hover .caret, .navlinks li.menu-open .caret{transform:rotate(180deg);}

/* mega menu */
.megamenu{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);
  width:640px;background:var(--white);border:1px solid var(--gray-100);
  border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:24px;
  display:grid;grid-template-columns:1fr 1fr;gap:6px 24px;
  opacity:0;visibility:hidden;transform:translateX(-50%) translateY(8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
  z-index:50;
}
.navlinks li:hover .megamenu, .navlinks li.menu-open .megamenu{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);
}
.megamenu a{
  display:flex;flex-direction:column;gap:2px;padding:11px 12px;border-radius:6px;transition:background .15s;
}
.megamenu a:hover{background:var(--paper);}
.megamenu a .mm-title{font-size:14px;font-weight:600;color:var(--blue-900);}
.megamenu a .mm-desc{font-size:12.5px;color:var(--gray-600);}
@media(max-width:900px){.megamenu{width:92vw;left:0;transform:none;}
  .navlinks li:hover .megamenu, .navlinks li.menu-open .megamenu{transform:translateY(0);}}

.navcta{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--gray-300);color:var(--gray-700);transition:all .15s;
}
.icon-btn:hover{border-color:var(--blue-700);color:var(--blue-800);}
.navburger{display:none;background:none;border:none;cursor:pointer;color:var(--blue-900);}
@media(max-width:960px){
  .navlinks{display:none;}
  .navburger{display:flex;}
}

/* mobile nav */
.mobilenav{
  position:fixed;inset:0;background:var(--white);z-index:200;padding:20px 24px;
  transform:translateY(-100%);transition:transform .25s ease;overflow-y:auto;
}
.mobilenav.open{transform:translateY(0);}
.mobilenav-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;}
.mobilenav a{display:block;padding:14px 4px;font-size:16px;font-weight:600;color:var(--blue-900);border-bottom:1px solid var(--gray-100);}
.mobilenav .sub{padding-left:14px;}
.mobilenav .sub a{font-size:14px;font-weight:500;color:var(--gray-600);border-bottom:none;padding:9px 4px;}

/* ================= SECTIONS / LAYOUT ================= */
section{position:relative;}
.section-pad{padding:96px 0;}
@media(max-width:760px){.section-pad{padding:64px 0;}}
.section-pad-sm{padding:64px 0;}
.bg-paper{background:var(--paper);}
.bg-navy{background:var(--blue-900);color:var(--white);}
.bg-navy h2,.bg-navy h3,.bg-navy h4{color:var(--white);}
.bg-gradient{background:linear-gradient(160deg,var(--blue-900) 0%,var(--blue-800) 55%,var(--blue-700) 100%);color:#fff;}
.bg-gradient h2,.bg-gradient h3{color:#fff;}

.sec-head{max-width:660px;margin-bottom:52px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{font-size:clamp(28px,3.4vw,40px);margin:14px 0 16px;}
.sec-head p{color:var(--gray-600);font-size:16.5px;}
.bg-navy .sec-head p, .bg-gradient .sec-head p{color:rgba(255,255,255,0.72);}

/* Cards */
.card{
  background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);
  padding:30px 26px;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--gray-300);}
.card .icon{
  width:46px;height:46px;border-radius:10px;background:var(--cyan-050);color:var(--blue-800);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card h3{font-size:18.5px;margin-bottom:9px;}
.card p{color:var(--gray-600);font-size:14.5px;}
.card .learn{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13.5px;font-weight:600;color:var(--blue-800);}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
@media(max-width:960px){.grid-3{grid-template-columns:repeat(2,1fr);}.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

/* Stat readouts */
.stat-row{display:flex;gap:0;flex-wrap:wrap;}
.stat-row .stat{flex:1;min-width:130px;padding:0 22px 0 0;}
.stat-row .stat .num{font-family:'Sora',sans-serif;font-weight:700;font-size:32px;color:var(--white);}
.stat-row .stat .num span{color:var(--cyan-400);}
.stat-row .stat .lbl{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:rgba(255,255,255,0.6);text-transform:uppercase;letter-spacing:0.05em;margin-top:6px;}

/* Badges (vendors/certs) */
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--blue-900);
  border:1px solid var(--gray-300);padding:10px 18px;border-radius:24px;background:var(--white);
  display:inline-flex;align-items:center;gap:8px;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan-500);}
.badge-row.on-dark .badge{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.18);color:#fff;}

/* Cert plaque */
.cert-plaque{
  display:flex;align-items:center;gap:16px;background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.14);border-radius:var(--radius);padding:20px 22px;
}
.cert-plaque .ring{
  width:56px;height:56px;border-radius:50%;border:2px solid var(--cyan-400);
  display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;
  font-size:11px;font-weight:600;color:var(--cyan-400);flex-shrink:0;text-align:center;line-height:1.15;
}
.cert-plaque .name{font-weight:600;color:#fff;font-size:14.5px;}
.cert-plaque .desc{font-size:12.5px;color:rgba(255,255,255,0.6);margin-top:2px;}

/* Testimonials */
.testi-wrap{position:relative;max-width:760px;margin:0 auto;}
.testi-slide{display:none;text-align:center;}
.testi-slide.active{display:block;animation:fadeIn .4s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.testi-slide blockquote{font-family:'Sora',sans-serif;font-size:22px;font-weight:600;line-height:1.45;color:var(--blue-900);margin-bottom:22px;}
.testi-slide cite{font-style:normal;font-size:13.5px;color:var(--gray-600);}
.testi-dots{display:flex;justify-content:center;gap:9px;margin-top:30px;}
.testi-dots button{width:9px;height:9px;border-radius:50%;background:var(--gray-300);border:none;cursor:pointer;padding:0;}
.testi-dots button.active{background:var(--cyan-500);width:22px;border-radius:5px;transition:all .2s;}

/* FAQ accordion */
.faq-item{border-bottom:1px solid var(--gray-100);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:22px 4px;display:flex;justify-content:space-between;align-items:center;
  font-family:'Sora',sans-serif;font-weight:600;font-size:16px;color:var(--blue-900);
}
.faq-q .plus{transition:transform .2s;color:var(--cyan-500);font-size:20px;flex-shrink:0;margin-left:16px;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:300px;}
.faq-a p{padding:0 4px 22px;color:var(--gray-600);font-size:14.5px;max-width:640px;}

/* Process steps */
.process-list{border-top:1px solid var(--gray-100);margin-top:10px;}
.process-row{display:grid;grid-template-columns:70px 1.1fr 1.7fr;gap:26px;padding:28px 0;border-bottom:1px solid var(--gray-100);align-items:baseline;}
@media(max-width:700px){.process-row{grid-template-columns:44px 1fr;}.process-row .pr-desc{grid-column:2;}}
.process-row .pr-num{font-family:'IBM Plex Mono',monospace;color:var(--cyan-500);font-weight:600;font-size:14px;}
.process-row h3{font-size:19px;}
.process-row p{color:var(--gray-600);font-size:14.5px;max-width:480px;}

/* Forms */
.field{display:flex;flex-direction:column;margin-bottom:18px;}
label{font-size:12.5px;font-weight:600;color:var(--gray-700);margin-bottom:7px;}
input,textarea,select{
  width:100%;background:var(--white);border:1px solid var(--gray-300);color:var(--gray-900);
  padding:13px 14px;font-family:'Inter',sans-serif;font-size:14.5px;border-radius:var(--radius-sm);
  transition:border-color .15s,box-shadow .15s;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--cyan-500);box-shadow:0 0 0 3px var(--cyan-050);}
textarea{resize:vertical;min-height:120px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media(max-width:520px){.form-row{grid-template-columns:1fr;}}
.form-status{font-size:13px;color:var(--ok);font-weight:600;opacity:0;transition:opacity .2s;margin-top:12px;}
.form-status.show{opacity:1;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:18px;}
.checkbox-row input{width:16px;height:16px;margin-top:3px;flex-shrink:0;}
.checkbox-row label{font-size:13px;color:var(--gray-600);font-weight:400;margin:0;}

/* Breadcrumb / page hero */
.page-hero{padding:64px 0 56px;}
.breadcrumb{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:rgba(255,255,255,0.55);display:flex;gap:8px;align-items:center;margin-bottom:20px;}
.breadcrumb a:hover{color:var(--cyan-400);}
.page-hero h1{font-size:clamp(32px,4.4vw,48px);color:#fff;margin-bottom:16px;max-width:760px;}
.page-hero .lead{color:rgba(255,255,255,0.75);font-size:17px;max-width:600px;}

/* CTA banner */
.cta-banner{background:linear-gradient(120deg,var(--blue-800),var(--blue-700));border-radius:var(--radius-lg);padding:56px;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;}
.cta-banner h2{color:#fff;font-size:clamp(24px,2.8vw,32px);margin-bottom:8px;}
.cta-banner p{color:rgba(255,255,255,0.72);font-size:15px;}
.cta-banner .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* Footer */
footer.site-footer{background:var(--blue-900);color:rgba(255,255,255,0.75);padding-top:76px;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,0.1);}
@media(max-width:960px){.footer-top{grid-template-columns:1fr 1fr;}}
.footer-brand p{font-size:14px;color:rgba(255,255,255,0.6);max-width:280px;margin:14px 0 20px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{width:36px;height:36px;border:1px solid rgba(255,255,255,0.18);border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all .15s;}
.footer-social a:hover{border-color:var(--cyan-400);color:var(--cyan-400);}
.footer-col h4{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:0.08em;text-transform:uppercase;color:rgba(255,255,255,0.5);margin-bottom:16px;}
.footer-col a, .footer-col p{display:block;font-size:14px;color:rgba(255,255,255,0.8);margin-bottom:11px;}
.footer-col a:hover{color:var(--cyan-400);}
.newsletter-form{display:flex;gap:8px;margin-top:8px;}
.newsletter-form input{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.18);color:#fff;}
.newsletter-form input::placeholder{color:rgba(255,255,255,0.4);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:26px 0;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,0.5);}
.footer-bottom .legal-links{display:flex;gap:20px;}
.footer-bottom a:hover{color:var(--cyan-400);}

/* Cookie consent */
.cookie-bar{
  position:fixed;bottom:18px;left:18px;right:18px;max-width:560px;margin:0 auto;
  background:var(--blue-900);color:#fff;border-radius:var(--radius);padding:20px 22px;
  box-shadow:var(--shadow-lg);display:flex;gap:16px;align-items:center;flex-wrap:wrap;z-index:300;
  transform:translateY(140%);transition:transform .35s ease;
}
.cookie-bar.show{transform:translateY(0);}
.cookie-bar p{font-size:13px;color:rgba(255,255,255,0.75);flex:1;min-width:220px;}
.cookie-bar .actions{display:flex;gap:10px;}

/* Live chat bubble */
.chat-bubble{
  position:fixed;bottom:20px;right:20px;width:56px;height:56px;border-radius:50%;
  background:var(--cyan-500);color:var(--blue-900);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-lg);cursor:pointer;z-index:290;border:none;transition:transform .15s;
}
.chat-bubble:hover{transform:scale(1.06);}

/* Reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:0.01ms !important;}
}

/* Utility */
.mt-0{margin-top:0;}
.text-center{text-align:center;}
.divider{height:1px;background:var(--gray-100);border:none;margin:0;}