/* ===========================================================================
   DEEPSJVB NextGen AI Labs — Design System  (premium dark enterprise theme)
   =========================================================================== */
:root{
  --bg:#070A12; --bg-2:#0B1020; --surface:#0F1525; --surface-2:#131B30; --surface-3:#18223C;
  --border:rgba(255,255,255,0.08); --border-strong:rgba(255,255,255,0.14);
  --text:#E8ECF5; --text-soft:#AEB7CC; --text-muted:#7C879E;
  --accent:#4F7CFF; --accent-2:#22D3EE; --accent-3:#A78BFA;
  --accent-soft:rgba(79,124,255,0.14); --cyan-soft:rgba(34,211,238,0.12);
  --ok:#34D399; --warn:#FBBF24; --info:#60A5FA;
  --grad-brand:linear-gradient(135deg,#4F7CFF 0%,#22D3EE 100%);
  --grad-violet:linear-gradient(135deg,#6366F1 0%,#A78BFA 100%);
  --grad-text:linear-gradient(120deg,#E8ECF5 0%,#9FC4FF 45%,#6FE3F2 100%);
  --font-head:"Space Grotesk","Inter",system-ui,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",ui-monospace,monospace;
  --maxw:1180px; --radius:16px; --radius-sm:10px; --radius-lg:24px;
  --shadow-soft:0 10px 30px rgba(0,0,0,0.35);
  --shadow-glow:0 0 0 1px rgba(79,124,255,0.25),0 18px 50px rgba(79,124,255,0.18);
}
*,*::before,*::after{box-sizing:border-box;} *{margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;}
body::before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(900px 600px at 78% -10%,rgba(79,124,255,0.16),transparent 60%),radial-gradient(700px 500px at 8% 8%,rgba(34,211,238,0.10),transparent 55%),radial-gradient(800px 700px at 50% 110%,rgba(167,139,250,0.10),transparent 60%);pointer-events:none;}
body::after{content:"";position:fixed;inset:0;z-index:-2;background-image:linear-gradient(rgba(255,255,255,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.025) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(circle at 50% 30%,black,transparent 78%);mask-image:radial-gradient(circle at 50% 30%,black,transparent 78%);pointer-events:none;}
a{color:inherit;text-decoration:none;} img{max-width:100%;display:block;} ul{list-style:none;}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.12;letter-spacing:-0.02em;color:#F4F7FF;}
h1{font-size:clamp(2.3rem,5vw,4rem);} h2{font-size:clamp(1.7rem,3.4vw,2.6rem);} h3{font-size:clamp(1.2rem,2vw,1.5rem);}
p{color:var(--text-soft);}
.gradient-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:clamp(64px,9vw,120px) 0;position:relative;}
.section-sm{padding:clamp(44px,6vw,72px) 0;}
.center{text-align:center;} .narrow{max-width:760px;margin-inline:auto;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:0.74rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--accent-2);padding:6px 14px;border-radius:999px;background:var(--cyan-soft);border:1px solid rgba(34,211,238,0.25);margin-bottom:20px;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 10px var(--accent-2);}
.section-lead{color:var(--text-soft);font-size:1.08rem;max-width:620px;margin-top:14px;}
.center .section-lead{margin-inline:auto;}
.nav{position:sticky;top:0;z-index:100;backdrop-filter:blur(14px);background:rgba(7,10,18,0.72);border-bottom:1px solid var(--border);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-head);font-weight:600;font-size:1.12rem;letter-spacing:-0.01em;color:#fff;}
.brand .logo-mark{width:34px;height:34px;border-radius:9px;flex:none;}
.brand small{display:block;font-family:var(--font-mono);font-size:0.58rem;letter-spacing:0.16em;color:var(--text-muted);text-transform:uppercase;font-weight:500;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{position:relative;padding:9px 14px;border-radius:9px;color:var(--text-soft);font-size:0.93rem;font-weight:500;transition:color .18s ease,background .18s ease;}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,0.05);}
.nav-links a.active{color:#fff;}
.nav-item{position:relative;}
.nav-dd{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);min-width:260px;padding:10px;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:14px;box-shadow:var(--shadow-soft);opacity:0;visibility:hidden;transition:all .2s ease;}
.nav-item:hover .nav-dd{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.nav-dd a{display:block;padding:10px 12px;border-radius:9px;color:var(--text-soft);}
.nav-dd a strong{display:block;color:#fff;font-weight:600;font-size:0.9rem;}
.nav-dd a span{font-size:0.78rem;color:var(--text-muted);}
.nav-dd a:hover{background:var(--accent-soft);}
.nav-cta{margin-left:10px;}
.nav-toggle{display:none;background:none;border:1px solid var(--border-strong);border-radius:9px;width:42px;height:40px;cursor:pointer;color:#fff;font-size:1.2rem;}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-body);font-weight:600;font-size:0.95rem;padding:13px 24px;border-radius:11px;cursor:pointer;border:1px solid transparent;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad-brand);color:#07101f;box-shadow:0 10px 30px rgba(79,124,255,0.30);}
.btn-primary:hover{box-shadow:0 14px 40px rgba(79,124,255,0.45);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,0.04);color:#fff;border-color:var(--border-strong);}
.btn-ghost:hover{background:rgba(255,255,255,0.09);border-color:var(--accent);transform:translateY(-2px);}
.btn-lg{padding:16px 30px;font-size:1rem;}
.btn .arrow{transition:transform .2s ease;} .btn:hover .arrow{transform:translateX(4px);}
.hero{padding:clamp(70px,11vw,150px) 0 clamp(56px,8vw,110px);position:relative;}
.hero h1{margin-bottom:22px;}
.hero p.lead{font-size:clamp(1.05rem,1.8vw,1.28rem);color:var(--text-soft);max-width:640px;}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.center .hero-actions{justify-content:center;}
.hero-stats{display:flex;gap:40px;margin-top:56px;flex-wrap:wrap;}
.hero-stats .stat strong{display:block;font-family:var(--font-head);font-size:1.9rem;color:#fff;}
.hero-stats .stat span{font-size:0.85rem;color:var(--text-muted);}
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);} .grid-3{grid-template-columns:repeat(3,1fr);} .grid-4{grid-template-columns:repeat(4,1fr);}
.card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:transform .25s ease,border-color .25s ease,background .25s ease;overflow:hidden;}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(79,124,255,0.10),transparent 45%);opacity:0;transition:opacity .3s ease;pointer-events:none;}
.card:hover{transform:translateY(-5px);border-color:var(--border-strong);background:var(--surface-2);}
.card:hover::after{opacity:1;}
.card h3{margin-bottom:10px;} .card p{font-size:0.95rem;}
.icon-box{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;background:var(--accent-soft);border:1px solid rgba(79,124,255,0.30);margin-bottom:18px;font-size:1.4rem;}
.product-card{display:flex;flex-direction:column;}
.product-card .pc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:10px;}
.product-card .pc-tag{font-family:var(--font-mono);font-size:0.68rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-muted);}
.product-card h3{font-size:1.32rem;}
.product-card ul{margin:16px 0 20px;display:grid;gap:9px;}
.product-card ul li{position:relative;padding-left:24px;font-size:0.9rem;color:var(--text-soft);}
.product-card ul li::before{content:"";position:absolute;left:4px;top:9px;width:7px;height:7px;border-radius:2px;background:var(--grad-brand);}
.product-card .pc-foot{margin-top:auto;}
.learn{display:inline-flex;align-items:center;gap:7px;color:var(--accent-2);font-weight:600;font-size:0.92rem;}
.learn .arrow{transition:transform .2s ease;} .learn:hover .arrow{transform:translateX(4px);}
.badge{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-mono);font-size:0.7rem;letter-spacing:0.06em;text-transform:uppercase;padding:5px 11px;border-radius:999px;font-weight:500;}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;}
.badge-active{background:rgba(52,211,153,0.12);color:var(--ok);border:1px solid rgba(52,211,153,0.3);}
.badge-active::before{background:var(--ok);box-shadow:0 0 8px var(--ok);}
.badge-mid{background:rgba(96,165,250,0.12);color:var(--info);border:1px solid rgba(96,165,250,0.3);}
.badge-mid::before{background:var(--info);}
.badge-dev{background:rgba(251,191,36,0.10);color:var(--warn);border:1px solid rgba(251,191,36,0.28);}
.badge-dev::before{background:var(--warn);}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.feature-item{display:flex;gap:14px;padding:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color .2s ease;}
.feature-item:hover{border-color:var(--border-strong);}
.feature-item .fi-icon{flex:none;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-2);font-size:1.05rem;}
.feature-item h4{font-size:1rem;margin-bottom:5px;color:#fff;} .feature-item p{font-size:0.87rem;}
.pso{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pso .pso-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;position:relative;}
.pso .pso-card .label{font-family:var(--font-mono);font-size:0.72rem;letter-spacing:0.14em;text-transform:uppercase;margin-bottom:12px;display:inline-block;padding:4px 10px;border-radius:6px;}
.pso .pso-card.p .label{color:#FCA5A5;background:rgba(252,165,165,0.1);}
.pso .pso-card.s .label{color:var(--accent-2);background:var(--cyan-soft);}
.pso .pso-card.o .label{color:var(--ok);background:rgba(52,211,153,0.1);}
.pso .pso-card p{font-size:0.94rem;}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.flow .step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;position:relative;}
.flow .step .num{font-family:var(--font-mono);font-size:0.78rem;color:var(--accent);font-weight:600;}
.flow .step h4{font-size:0.98rem;margin:8px 0 5px;} .flow .step p{font-size:0.82rem;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;}
.stat-card .num{font-family:var(--font-head);font-size:2.1rem;color:#fff;}
.stat-card .num.grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-card .lbl{font-size:0.88rem;color:var(--text-muted);margin-top:6px;}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split.reverse > :first-child{order:2;}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:clamp(28px,4vw,48px);}
.panel-glow{box-shadow:var(--shadow-glow);border-color:rgba(79,124,255,0.25);}
.cta-band{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(79,124,255,0.16),rgba(34,211,238,0.10));border:1px solid rgba(79,124,255,0.28);border-radius:var(--radius-lg);padding:clamp(40px,6vw,72px);text-align:center;}
.cta-band h2{margin-bottom:14px;} .cta-band p{max-width:540px;margin:0 auto 28px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.terminal{background:#060912;border:1px solid var(--border-strong);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-soft);}
.terminal .tbar{display:flex;gap:7px;padding:13px 16px;border-bottom:1px solid var(--border);}
.terminal .tbar span{width:11px;height:11px;border-radius:50%;background:#2a3247;}
.terminal .tbar span:nth-child(1){background:#ff5f57;} .terminal .tbar span:nth-child(2){background:#febc2e;} .terminal .tbar span:nth-child(3){background:#28c840;}
.terminal pre{padding:20px;font-family:var(--font-mono);font-size:0.82rem;color:#cdd6f4;overflow-x:auto;line-height:1.7;}
.terminal .c-key{color:var(--accent-2);} .terminal .c-ok{color:var(--ok);} .terminal .c-mut{color:var(--text-muted);} .terminal .c-acc{color:var(--accent-3);}
.page-hero{padding:clamp(60px,8vw,96px) 0 clamp(30px,4vw,50px);}
.page-hero .crumbs{font-family:var(--font-mono);font-size:0.78rem;color:var(--text-muted);margin-bottom:18px;letter-spacing:0.05em;}
.page-hero .crumbs a:hover{color:var(--accent-2);}
.footer{border-top:1px solid var(--border);padding:64px 0 32px;margin-top:40px;background:var(--bg-2);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer .brand{margin-bottom:16px;}
.footer p.about{font-size:0.9rem;color:var(--text-muted);max-width:320px;}
.footer h5{font-family:var(--font-head);font-size:0.78rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--text-soft);margin-bottom:16px;}
.footer ul li{margin-bottom:11px;}
.footer ul li a{color:var(--text-muted);font-size:0.9rem;transition:color .18s;} .footer ul li a:hover{color:var(--accent-2);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:48px;padding-top:24px;border-top:1px solid var(--border);flex-wrap:wrap;gap:14px;}
.footer-bottom p{font-size:0.83rem;color:var(--text-muted);}
.footer-bottom .legal a{font-size:0.83rem;color:var(--text-muted);margin-left:18px;} .footer-bottom .legal a:hover{color:var(--accent-2);}
.form-grid{display:grid;gap:18px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field label{display:block;font-size:0.82rem;color:var(--text-soft);margin-bottom:8px;font-weight:500;}
.field input,.field textarea,.field select{width:100%;padding:13px 15px;background:var(--bg-2);border:1px solid var(--border-strong);border-radius:11px;color:var(--text);font-family:var(--font-body);font-size:0.95rem;transition:border-color .2s,box-shadow .2s;}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);}
.field textarea{resize:vertical;min-height:130px;}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}
.divider{height:1px;background:var(--border);margin:0;border:0;}
.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
.chip{font-size:0.78rem;color:var(--text-soft);padding:6px 13px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);}
.note{font-size:0.82rem;color:var(--text-muted);font-style:italic;}
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .flow,.stat-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;} .split.reverse > :first-child{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:720px){
  .nav-links{position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;gap:4px;background:var(--surface-2);border-bottom:1px solid var(--border);padding:16px 24px 24px;transform:translateY(-130%);transition:transform .3s ease;z-index:99;}
  .nav-links.open{transform:translateY(0);}
  .nav-links a{padding:13px;}
  .nav-item .nav-dd{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;background:transparent;border:none;padding:0 0 0 12px;min-width:0;}
  .nav-cta{margin:8px 0 0;}
  .nav-toggle{display:block;}
  .grid-2,.grid-3,.grid-4,.feature-grid,.pso,.flow,.stat-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .hero-stats{gap:26px;}
}
@media (scripting: none){ .reveal{opacity:1 !important;transform:none !important;} }
.no-js .reveal{opacity:1 !important;transform:none !important;}