/* KBNC Premium v16 — authentication, mobile navigation, services and admin */
:root{--v16-navy:#040b20;--v16-panel:#091a42;--v16-blue:#2a67ff;--v16-cyan:#50e9ff;--v16-magenta:#d321c6}

/* Public header and submenus */
.site-header.preview-header{overflow:visible!important}.preview-nav .mega{z-index:120!important}.preview-nav .nav-group>button{white-space:nowrap}.brand-complete img{object-fit:contain}.preview-nav-actions{flex:none}
@media(max-width:1050px){
 .site-header.preview-header{display:grid!important;grid-template-columns:1fr auto auto;gap:10px!important;overflow:visible!important}
 .preview-nav{position:fixed!important;z-index:110!important;left:12px!important;right:12px!important;top:82px!important;width:auto!important;padding:12px!important;border:1px solid #d8e3f4!important;border-radius:18px!important;background:rgba(255,255,255,.985)!important;box-shadow:0 28px 80px rgba(5,20,55,.28)!important;transform:translateY(-12px)!important;opacity:0!important;visibility:hidden!important;overflow-y:auto!important}
 .preview-nav.open{transform:none!important;opacity:1!important;visibility:visible!important}
 .preview-nav>.nav-group,.preview-nav>a{display:block!important;width:100%!important;border-bottom:1px solid #edf1f8!important}
 .preview-nav>a,.preview-nav .nav-group>button{width:100%!important;min-height:50px!important;padding:12px 14px!important;text-align:left!important;font-size:.9rem!important;color:#102750!important}
 .preview-nav .nav-group>button:after{content:"+"!important;left:auto!important;right:14px!important;bottom:auto!important;top:12px!important;width:auto!important;height:auto!important;background:none!important;transform:none!important;font-size:1.1rem!important}
 .preview-nav .nav-group.open>button:after{content:"−"!important}
 .preview-nav .mega,.preview-nav .mega-products{position:static!important;width:100%!important;max-width:none!important;max-height:none!important;margin:0 0 10px!important;padding:8px!important;transform:none!important;border:0!important;border-radius:13px!important;box-shadow:none!important;background:#f4f7fd!important;opacity:1!important;visibility:visible!important}
 .preview-nav .mega-products{grid-template-columns:1fr!important}.preview-nav .mega-intro,.preview-nav .mega-server{display:none!important}.preview-nav .mega-product-grid{grid-template-columns:1fr 1fr!important;gap:5px!important}.preview-nav .mega a{padding:12px!important}.preview-nav .mega a small{display:block!important;white-space:normal!important}
}
@media(max-width:560px){.site-header.preview-header{grid-template-columns:1fr auto!important}.preview-signin{display:none!important}.preview-nav{top:76px!important;left:8px!important;right:8px!important}.preview-nav .mega-product-grid{grid-template-columns:1fr!important}.brand-complete img{width:106px!important}.nav-toggle{width:46px!important;height:46px!important}}

/* Premium authentication */
.auth-v16{position:relative;isolation:isolate;min-height:100svh;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(420px,.62fr);align-items:center;gap:clamp(40px,6vw,100px);padding:110px max(28px,calc((100vw - 1440px)/2)) 70px;overflow:hidden;color:#fff;background:radial-gradient(circle at 30% 32%,rgba(37,101,255,.3),transparent 30%),radial-gradient(circle at 55% 90%,rgba(209,33,198,.2),transparent 30%),linear-gradient(135deg,#03091b,#071633 58%,#102557)}
.auth-v16:before{content:"";position:absolute;z-index:-1;inset:0;background-image:linear-gradient(rgba(94,139,230,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(94,139,230,.07) 1px,transparent 1px);background-size:58px 58px;mask-image:linear-gradient(to right,#000,transparent 72%);transform:perspective(700px) rotateX(62deg) scale(1.6) translateY(10%)}
.auth-v16-brand{position:absolute;z-index:4;top:32px;left:max(28px,calc((100vw - 1440px)/2));display:flex;align-items:center;gap:14px}.auth-v16-brand img{width:122px;max-height:54px;object-fit:contain}.auth-v16-brand span{padding-left:14px;border-left:1px solid rgba(255,255,255,.25);font-size:.75rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:#b8caea}
.auth-v16-copy{position:relative;z-index:2;max-width:770px}.auth-v16-kicker,.form-kicker{display:block;margin-bottom:16px;color:var(--v16-cyan);font-size:.72rem;font-weight:900;letter-spacing:.18em}.auth-v16-copy h1{max-width:760px;font-size:clamp(3.4rem,5.7vw,6.4rem);line-height:.94;letter-spacing:-.065em}.auth-v16-copy>p{max-width:680px;margin:25px 0 32px;color:#c2d1ee;font-size:1.05rem;line-height:1.75}.auth-v16-proof{display:flex;gap:10px;flex-wrap:wrap}.auth-v16-proof span{min-width:145px;padding:13px 15px;display:grid;border:1px solid rgba(125,164,235,.25);border-radius:14px;background:rgba(255,255,255,.055);backdrop-filter:blur(12px);color:#aabbdc;font-size:.74rem}.auth-v16-proof b{color:#fff;font-size:1rem}
.auth-v16-panel{position:relative;z-index:3;width:100%;max-height:calc(100svh - 70px);overflow:auto;padding:clamp(28px,3.2vw,46px);color:#0b1838;border:1px solid rgba(255,255,255,.8);border-radius:32px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(241,246,255,.96));box-shadow:0 48px 120px rgba(0,5,20,.52),0 1px #fff inset}.auth-v16-panel:before{content:"";position:absolute;right:-65px;top:-65px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(71,105,255,.18),transparent 68%);pointer-events:none}.auth-v16-panel h2{font-size:clamp(2rem,3vw,3.1rem);margin-bottom:8px}.auth-v16-panel>p{margin:0 0 24px}.auth-v16-panel label{font-size:.88rem;color:#1c2c4e}.auth-v16-panel input,.auth-v16-panel textarea,.auth-v16-panel select{min-height:50px;border-color:#cbd8ec;border-radius:13px;background:#fff}.auth-v16-tabs{display:grid;grid-template-columns:1fr 1fr;margin-bottom:30px;padding:5px;border-radius:14px;background:#e9effa}.auth-v16-tabs a{padding:12px;text-align:center;border-radius:10px;font-weight:850;color:#667797}.auth-v16-tabs a.active{color:#fff;background:linear-gradient(115deg,#1f5ff1,#7140e4 64%,#c72abc);box-shadow:0 11px 25px rgba(54,69,201,.27)}.account-type-premium{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}.account-type-premium span{min-height:82px!important}.form-divider{display:flex;justify-content:space-between;gap:10px;margin:20px 0 15px;padding-bottom:9px;border-bottom:1px solid #dce5f3}.form-divider span{font-weight:900}.form-divider small{color:#74829b}.otp-entry{margin:15px 0;padding:17px;border:1px solid #bfd3fc;border-radius:15px;background:linear-gradient(135deg,#eef5ff,#faf4ff)}.otp-entry input{font-size:1.35rem!important;font-weight:900;letter-spacing:.3em;text-align:center}.otp-entry small{display:block;color:#657797;font-size:.74rem}.auth-v16-help{display:flex;justify-content:space-between;gap:15px;margin-top:22px;padding-top:18px;border-top:1px solid #dbe4f2;color:#76839b;font-size:.74rem}.auth-v16-help a{color:#2458db;font-weight:800}
.auth-v16-scene{position:absolute;z-index:1;left:42%;top:47%;width:360px;height:360px;transform:translate(-50%,-50%);pointer-events:none;opacity:.82}.auth-core,.auth-core:before,.auth-core:after{position:absolute;inset:20%;border:1px solid rgba(77,229,255,.35);border-radius:50%;animation:v16orbit 12s linear infinite}.auth-core:before,.auth-core:after{content:"";inset:-38px}.auth-core:after{inset:-78px;animation-direction:reverse;animation-duration:18s}.auth-core span,.auth-core i,.auth-core b{position:absolute;width:18px;height:18px;border-radius:50%;background:#50e9ff;box-shadow:0 0 32px #50e9ff}.auth-core span{top:-9px;left:50%}.auth-core i{right:-9px;top:55%;background:#be31dc;box-shadow:0 0 32px #be31dc}.auth-core b{left:-9px;bottom:18%;background:#326bff;box-shadow:0 0 32px #326bff}.auth-node{position:absolute;padding:10px 13px;display:grid;border:1px solid rgba(132,169,238,.24);border-radius:12px;background:rgba(3,15,42,.62);backdrop-filter:blur(12px);animation:v16float 5s ease-in-out infinite}.auth-node strong{color:#54e9ff;font-size:.65rem}.auth-node span{font-size:.72rem}.node-one{left:-40px;top:20px}.node-two{right:-30px;top:100px;animation-delay:-1.2s}.node-three{left:5px;bottom:15px;animation-delay:-2.3s}@keyframes v16orbit{to{transform:rotate(360deg)}}@keyframes v16float{50%{transform:translateY(-13px)}}
@media(max-width:1100px){.auth-v16{grid-template-columns:1fr;gap:32px;padding-top:115px}.auth-v16-copy{max-width:800px}.auth-v16-copy h1{font-size:clamp(3rem,8vw,5rem)}.auth-v16-scene{left:auto;right:-100px;top:230px;transform:none}.auth-v16-panel{max-width:760px;max-height:none}}
@media(max-width:650px){.auth-v16{display:block;padding:92px 0 0}.auth-v16-brand{top:22px;left:18px}.auth-v16-brand img{width:105px}.auth-v16-brand span{font-size:.62rem}.auth-v16-copy{padding:45px 20px 34px}.auth-v16-copy h1{font-size:clamp(2.55rem,12vw,3.7rem)}.auth-v16-copy>p{font-size:.96rem}.auth-v16-proof span{flex:1;min-width:0}.auth-v16-scene{display:none}.auth-v16-panel{max-width:none;max-height:none;padding:30px 18px 50px;border-radius:30px 30px 0 0}.account-type-premium,.auth-v16-panel .form-grid{grid-template-columns:1fr}.auth-v16-help{align-items:flex-start}.auth-v16-tabs a{font-size:.84rem}}

/* Service pages */
.premium-service-hero{position:relative;overflow:hidden}.premium-service-hero:before{content:"";position:absolute;width:520px;height:520px;right:2%;top:8%;border:1px solid rgba(67,115,229,.18);border-radius:50%;box-shadow:0 0 0 45px rgba(63,105,225,.04),0 0 0 95px rgba(63,105,225,.025);animation:v16orbit 24s linear infinite}.premium-service-hero>div,.premium-service-hero>figure{position:relative;z-index:2}.service-visual img{animation:v16imagefloat 7s ease-in-out infinite;will-change:transform}.service-visual-growth{background:radial-gradient(circle at 80% 20%,rgba(219,40,198,.35),transparent 30%),linear-gradient(135deg,#06152f,#172d6f)!important}.service-visual-growth img{object-position:center}.service-immersive figure img{animation:v16cinema 12s ease-in-out infinite alternate}.price-card{overflow:hidden}.price-card:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 20%,rgba(255,255,255,.56),transparent 52%);transform:translateX(-120%);transition:transform .8s}.price-card:hover:before{transform:translateX(120%)}@keyframes v16imagefloat{50%{transform:scale(1.035) translateY(-12px)}}@keyframes v16cinema{to{transform:scale(1.08) translate3d(-1.5%,1%,0)}}
@media(max-width:760px){.premium-service-hero:before{width:300px;height:300px;right:-130px}.service-visual img{animation:none}.service-immersive{padding-left:18px!important;padding-right:18px!important}.service-immersive figure{min-height:330px}.service-immersive figure img{min-height:330px;object-fit:cover}.pricing-grid.four{grid-template-columns:1fr!important}}

/* WHMCS-inspired original KBNC admin shell */
.admin-v16-shell{min-height:100vh;background:radial-gradient(circle at 90% 0,rgba(90,52,211,.08),transparent 26%),#f1f4f9}.admin-v16-top{position:sticky;z-index:150;top:0;min-height:72px;padding:0 clamp(18px,3vw,48px);display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:32px;color:#fff;background:linear-gradient(105deg,#06132e,#0c2458 60%,#321653);box-shadow:0 12px 35px rgba(4,15,40,.25)}.admin-v16-logo{display:flex;align-items:center;gap:12px}.admin-v16-logo img{width:96px;max-height:45px;object-fit:contain}.admin-v16-logo>span{display:grid;padding-left:12px;border-left:1px solid rgba(255,255,255,.2);line-height:1.15}.admin-v16-logo small{color:#94acd5;font-size:.62rem}.admin-v16-top>nav{display:flex;align-items:center;height:100%}.admin-v16-top>nav a{height:72px;padding:0 14px;display:flex;align-items:center;color:#b9c8e4;font-size:.82rem;font-weight:800}.admin-v16-top>nav a:hover{color:#fff;background:rgba(255,255,255,.06)}.admin-v16-top>div{display:flex;align-items:center;gap:12px}.admin-v16-top>div>span{display:grid;text-align:right;font-size:.78rem}.admin-v16-top>div small{color:#91a6cb}.admin-v16-top>div>a{padding:8px 11px;border:1px solid rgba(255,255,255,.16);border-radius:9px;color:#dce7fb;font-size:.72rem;font-weight:800}.admin-v16-subnav{position:sticky;z-index:140;top:72px;padding:0 clamp(18px,3vw,48px);display:flex;gap:2px;overflow-x:auto;scrollbar-width:thin;background:#fff;border-bottom:1px solid #d9e2f0;box-shadow:0 8px 25px rgba(17,42,86,.07)}.admin-v16-subnav a{position:relative;flex:none;padding:14px 12px;color:#64728b;font-size:.72rem;font-weight:800;white-space:nowrap}.admin-v16-subnav a.active{color:#164ec7}.admin-v16-subnav a.active:after{content:"";position:absolute;left:10px;right:10px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:linear-gradient(90deg,#1762ef,#b52acb)}.admin-v16-main{max-width:1700px!important;margin:auto;padding:30px clamp(16px,3vw,48px) 70px!important}.admin-v16-main>header{position:relative!important;top:auto!important;margin-bottom:24px!important}.admin-v16-main .admin-command form{display:flex;min-width:min(100%,430px);gap:9px;align-items:end}.admin-v16-main .admin-command form input{margin:0;background:#fff}.admin-v16-main .admin-command form .button{flex:none}.admin-v16-main .metrics{grid-template-columns:repeat(4,minmax(0,1fr))!important}
@media(max-width:1050px){.admin-v16-top{grid-template-columns:auto 1fr}.admin-v16-top>nav{display:none}.admin-v16-top>div{justify-self:end}.admin-v16-subnav{top:72px}.admin-v16-main{padding-top:20px!important}}
@media(max-width:680px){.admin-v16-top{min-height:64px;padding:0 12px;gap:8px}.admin-v16-logo img{width:82px}.admin-v16-logo>span{display:none}.admin-v16-top>div>span,.admin-v16-top>div>a:first-of-type{display:none}.admin-v16-top>div>a{padding:7px 9px}.admin-v16-subnav{top:64px;padding:0 8px}.admin-v16-subnav a{padding:12px 10px}.admin-v16-main{padding:14px 10px 55px!important}.admin-v16-main>header{padding:19px!important}.admin-v16-main .metrics{grid-template-columns:1fr 1fr!important}.admin-v16-main .admin-command form{display:grid;min-width:0;margin-top:18px}.admin-v16-main .admin-command form .button{width:100%}.admin-v16-main table{font-size:.76rem}.admin-v16-main th,.admin-v16-main td{padding:10px 9px}.report-grid{grid-template-columns:1fr 1fr!important}}
@media(prefers-reduced-motion:reduce){.auth-core,.auth-core:before,.auth-core:after,.auth-node,.service-visual img,.service-immersive figure img{animation:none!important}}