:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-gradient:linear-gradient(135deg,#0f172a 0%,#1e1b4b 60%,#2563eb 100%);--text-dark:#0f172a;--text-muted:#475569;--bg:#f8fafc;--card-bg:#fff;--border:rgba(226,232,240,0.8);--shadow:0 20px 50px rgba(15,23,42,0.04);--transition:all .3s cubic-bezier(.4,0,.2,1);--red:#DC2626;--green:#059669;--indigo:#7C3AED;--amber:#D97706;--blue:#2563EB}
/* MEGA MENU */
.checkealos-header{position:fixed;top:0;left:0;right:0;height:80px;background:rgba(255,255,255,0.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:1000;display:flex;align-items:center;transition:var(--transition)}
.nav-container{width:100%;max-width:1300px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}
.nav-left{display:flex;align-items:center;gap:2rem}
.logo{display:flex;align-items:center;gap:0.25rem;text-decoration:none;color:var(--text-dark);font-family:'Outfit',sans-serif;font-size:1.65rem;font-weight:800;letter-spacing:-0.8px}
.logo-xm{color:var(--primary);font-size:1.1rem;font-weight:800;background:rgba(37,99,235,0.08);padding:0.1rem 0.5rem;border-radius:6px}
.nav-menu{display:flex;align-items:center;gap:1.5rem;list-style:none}
.nav-item-wrapper{position:relative}
.nav-link-btn{text-decoration:none;color:var(--text-dark);font-weight:600;font-size:0.925rem;padding:0.6rem 0.9rem;border-radius:30px;display:flex;align-items:center;gap:0.35rem;transition:var(--transition)}
.nav-link-btn:hover{background:rgba(37,99,235,0.08);color:var(--primary)}
.arrow-down{font-size:0.65rem;opacity:0.7;transition:var(--transition)}
.nav-item-wrapper.open .arrow-down{transform:rotate(180deg)}
.mega-menu{position:absolute;top:calc(100% + 5px);left:0;transform:translateY(15px);width:900px;background:var(--card-bg);border-radius:20px;border:1px solid var(--border);min-height:400px;box-shadow:0 20px 40px rgba(15,23,42,0.08);display:none;grid-template-columns:260px 1fr;overflow:hidden;opacity:0;transition:var(--transition);z-index:1001}
.nav-item-wrapper .mega-menu.open{display:grid;opacity:1;transform:translateY(0)}
.mega-sidebar{background:var(--bg);border-right:1px solid var(--border);padding:1.5rem 1rem;display:flex;flex-direction:column;gap:0.4rem}
.mega-tab-btn{width:100%;text-align:left;border:none;background:none;padding:0.75rem 1rem;border-radius:10px;font-size:0.875rem;font-weight:600;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;gap:0.75rem;transition:var(--transition)}
.mega-tab-btn:hover{background:rgba(15,23,42,0.04);color:var(--text-dark)}
.mega-tab-btn.active{background:rgba(37,99,235,0.08);color:var(--primary)}
.mega-content-container{padding:2.25rem;position:relative}
.mega-panel-content{display:none;animation:fadeIn .35s ease}
.mega-panel-content.active{display:block}
.mega-panel-layout{display:grid;grid-template-columns:1fr 240px;gap:2rem}
.mega-main-section{display:flex;flex-direction:column;gap:1.5rem;padding:0.5rem 0}
.mega-title-link{font-size:1.5rem;font-weight:700;color:var(--primary);text-decoration:none;display:flex;align-items:center;gap:0.5rem;margin-bottom:0.2rem}
.mega-columns{display:grid;grid-template-columns:1fr 1fr;gap:2.4rem}
.mega-col{display:flex;flex-direction:column;gap:1rem}
.mega-col-title{font-size:0.75rem;text-transform:uppercase;letter-spacing:1px;color:#64748B;font-weight:700;margin-bottom:0.7rem}
.mega-col a{text-decoration:none;color:var(--text-muted);font-size:0.875rem;font-weight:500;transition:var(--transition)}
.mega-col a:hover{color:var(--primary);transform:translateX(3px)}
.mega-campaign-card{border-radius:16px;padding:1.5rem;color:#FFF;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;box-shadow:0 10px 15px -3px rgba(79,70,229,0.25)}
.mega-campaign-card::before{content:'';position:absolute;bottom:-20px;right:-20px;width:100px;height:100px;background:radial-gradient(circle,rgba(255,255,255,0.15) 0%,transparent 70%);border-radius:50%}
.mega-card-tag{font-size:0.65rem;background:rgba(255,255,255,0.15);padding:0.2rem 0.5rem;border-radius:20px;width:fit-content;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:0.75rem}
.mega-card-title{font-size:1.05rem;font-weight:700;line-height:1.3;margin-bottom:0.5rem}
.mega-card-desc{font-size:0.75rem;color:#E0E7FF;margin-bottom:1.25rem}
.mega-card-action{text-decoration:none;color:#FFF;font-size:0.8rem;font-weight:700;display:flex;align-items:center;gap:0.35rem;transition:var(--transition)}
.mega-card-action:hover{gap:0.5rem}
.nav-right{display:flex;align-items:center;gap:1rem}
.lang-switcher-group{display:flex;border:1px solid var(--border);border-radius:20px;overflow:hidden;background:#fff;padding:2px;box-shadow:0 1px 3px rgba(0,0,0,0.02)}
.lang-switcher-btn{border:none;padding:5px 12px;border-radius:18px;font-size:11px;font-weight:800;cursor:pointer;transition:all .2s ease;text-decoration:none;display:inline-block;line-height:normal}
.lang-switcher-btn.active{background:var(--primary);color:#fff;pointer-events:none}
.lang-switcher-btn:not(.active){background:transparent;color:var(--text-dark)}
.request-demo-btn{background:var(--primary);color:#fff;text-decoration:none;font-weight:700;font-size:0.9rem;padding:0.6rem 1.3rem;border-radius:10px;border:none;cursor:pointer;transition:background .2s}
.request-demo-btn:hover{background:var(--primary-dark)}

/* Hamburger */
.hamburger{display:none;flex-direction:column;cursor:pointer;gap:4px;background:none;border:none;padding:8px;z-index:1002}
.hamburger span{width:22px;height:2.5px;background:var(--text-dark);border-radius:2px;transition:var(--transition)}
.hamburger.active span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
/* Mobile nav overlay */
.mobile-nav-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100vh;background:#fff;z-index:1001;padding:90px 24px 24px;overflow-y:auto}
.mobile-nav-overlay.open{display:block}
.mobile-nav-overlay .nav-menu{flex-direction:column;gap:0;width:100%}
.mobile-nav-overlay .nav-item-wrapper{width:100%}
.mobile-nav-overlay .nav-link-btn{width:100%;padding:14px 16px;font-size:1.05rem;border-radius:12px;justify-content:space-between}
.mobile-nav-overlay .mega-menu{position:static;width:100%;transform:none;box-shadow:none;border:none;border-radius:0;grid-template-columns:1fr;opacity:1;display:none;margin-top:4px}
.mobile-nav-overlay .mega-menu.active{display:block!important}
.mobile-nav-overlay .mega-sidebar{display:flex;flex-direction:row;flex-wrap:wrap;gap:4px;border-right:none;border-bottom:1px solid var(--border);padding:8px 0}
.mobile-nav-overlay .mega-sidebar .mega-tab-btn{width:auto;padding:6px 12px;font-size:0.8rem}
.mobile-nav-overlay .mega-content-container{padding:12px 0}
.mobile-nav-overlay .mega-panel-layout{grid-template-columns:1fr;gap:1rem}
.mobile-nav-overlay .mega-columns{grid-template-columns:1fr;gap:1.2rem}
/* Responsive */
@media(max-width:1024px){
  .hamburger{display:flex}
  .nav-menu{display:none}
  .nav-right .request-demo-btn{padding:0.5rem 1rem;font-size:0.8rem}
  body{padding-top:60px}
  .checkealos-header{height:60px}
  .xm-title{font-size:2.2rem}
  .xm-hero{margin-bottom:50px}
  .mega-menu{width:95vw}
  .nav-container{padding:0 1rem}
  .logo{font-size:1.2rem}
}
@media(max-width:768px){
  .xm-title{font-size:1.8rem}
  .xm-subtitle{font-size:15px}
  .xm-badge{font-size:10px;padding:6px 14px}
  .section-header-title{font-size:24px}
  .cta-title{font-size:26px}
  .cta-box{padding:36px 20px}
  .geo-definition-box{padding:24px}
  .premium-card{padding:24px}
  .faq-item{padding:20px}
  .step-item{flex-direction:column;gap:12px}
  .section-divider{margin:30px 0}
  footer>div>div{grid-template-columns:repeat(2,1fr)!important;gap:20px!important}
  main{padding:20px 16px 0}
  table{font-size:12px}
  th,td{padding:10px 12px}
  .logo-xm{display:none}
}
@media(max-width:480px){
  .xm-title{font-size:1.5rem}
  .nav-right .request-demo-btn{display:none}
  .lang-switcher-btn{padding:4px 8px;font-size:10px}
  footer>div>div{grid-template-columns:1fr 1fr!important;gap:16px!important}
   .cta-title{font-size:22px}
   .cta-button{padding:12px 24px;font-size:14px}
 }

.mega-menu.open-left{left:auto;right:0}
.demo-modal-overlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,0.6);backdrop-filter:blur(4px);z-index:2000;align-items:center;justify-content:center;padding:20px}
.demo-modal-overlay.open{display:flex}
.demo-modal{background:#fff;border-radius:20px;max-width:540px;width:100%;padding:34px;max-height:92vh;overflow:auto;position:relative;box-shadow:0 30px 60px rgba(15,23,42,0.3)}
.demo-modal-close{position:absolute;top:12px;right:16px;border:none;background:none;font-size:30px;cursor:pointer;color:#94a3b8;line-height:1}
.demo-title{font-family:'Outfit',sans-serif;font-size:1.6rem;margin-bottom:18px;color:var(--text-dark)}
.demo-form label{display:block;font-weight:600;font-size:0.85rem;margin:12px 0 5px;color:var(--text-dark)}
.demo-form input,.demo-form select{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:10px;font-family:inherit;font-size:0.95rem}
.demo-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.demo-row label{margin-top:12px}
.demo-optin{display:flex;gap:8px;align-items:flex-start;font-weight:400;font-size:0.8rem;color:var(--text-muted);margin-top:14px}
.demo-optin input{width:auto;margin-top:3px;flex:none}
.demo-submit{margin-top:20px;width:100%;background:var(--primary);color:#fff;border:none;padding:14px;border-radius:12px;font-weight:700;font-family:'Outfit',sans-serif;font-size:1rem;cursor:pointer;transition:var(--transition)}
.demo-submit:hover{background:var(--primary-dark)}
.demo-thanks{margin-top:16px;padding:14px;background:rgba(5,150,105,0.1);color:#047857;border-radius:10px;font-weight:600;text-align:center}
@media(max-width:480px){.demo-row{grid-template-columns:1fr}.request-demo-btn{display:none}}
.footer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:36px}