/* KernelSec landing + pricing — black & white.
   Pure black background, white text, monochrome (no color accents).
   Standalone: used ONLY by index.html and pricing.html. */
:root{
  --bg:#000000;
  --surface:rgba(255,255,255,.04);
  --surface-2:rgba(255,255,255,.07);
  --surface-solid:#0b0b0b;
  --border:rgba(255,255,255,.12);
  --border-2:rgba(255,255,255,.24);
  --text:#ffffff;
  --muted:#b4b4b4;
  --muted-2:#7a7a7a;
  --radius:16px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,.display{font-family:"Space Grotesk","Inter",sans-serif}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.grad{color:#fff}

/* ---------- Nav ---------- */
nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;border-bottom:1px solid var(--border);
  background:rgba(0,0,0,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%;
  max-width:var(--maxw);margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:11px;font-weight:700;font-size:17px;letter-spacing:-.02em;
  font-family:"Space Grotesk",sans-serif}
.logo .mark{width:30px;height:30px;border-radius:9px;background:#fff;
  display:grid;place-items:center;color:#000;font-weight:800;font-size:16px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a.link{color:var(--muted);font-size:14px;font-weight:500;transition:color .15s;position:relative}
.nav-links a.link:hover{color:var(--text)}
.nav-links a.link::after{content:"";position:absolute;left:0;bottom:-6px;height:1.5px;width:0;
  background:#fff;transition:width .22s}
.nav-links a.link:hover::after{width:100%}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:11px;font-size:14px;font-weight:600;cursor:pointer;
  transition:transform .15s,box-shadow .15s,background .15s,border-color .15s,color .15s;
  border:1px solid transparent;font-family:inherit;text-align:center}
.btn-primary{background:#fff;color:#000;font-weight:700}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px -12px rgba(255,255,255,.4)}
.btn-ghost{border-color:var(--border-2);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:#fff;background:var(--surface-2)}
.btn-block{display:flex;width:100%;padding:14px}
.btn-lg{padding:14px 28px;font-size:15px}
.btn:active{transform:translateY(0)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:clamp(56px,9vw,104px) 0 clamp(48px,7vw,88px)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border-2);color:#fff;font-size:12.5px;
  font-weight:600;margin-bottom:26px;font-family:"JetBrains Mono",monospace;letter-spacing:.02em}
.pill .dot{width:7px;height:7px;border-radius:50%;background:#fff;
  box-shadow:0 0 10px rgba(255,255,255,.8);animation:blip 2s infinite}
@keyframes blip{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:clamp(38px,5.6vw,64px);line-height:1.04;letter-spacing:-.035em;font-weight:700;margin-bottom:22px}
.hero p.sub{color:var(--muted);font-size:clamp(16px,1.5vw,19px);max-width:520px;margin-bottom:32px}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:30px;margin-top:40px;flex-wrap:wrap}
.hero-stats .stat .n{font-family:"JetBrains Mono",monospace;font-size:26px;font-weight:700;
  color:var(--text);letter-spacing:-.02em;line-height:1}
.hero-stats .stat .l{color:var(--muted-2);font-size:12.5px;margin-top:6px;text-transform:uppercase;letter-spacing:.06em}

/* ---------- Radar visual ---------- */
.radar-wrap{position:relative;aspect-ratio:1;max-width:440px;margin:0 auto;width:100%}
.radar{position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,255,255,.05),transparent 70%);
  border:1px solid var(--border-2);overflow:hidden}
.radar .ring{position:absolute;border:1px solid rgba(255,255,255,.14);border-radius:50%;inset:0}
.radar .ring.r2{inset:16%}.radar .ring.r3{inset:32%}.radar .ring.r4{inset:48%}
.radar .cross{position:absolute;background:rgba(255,255,255,.12)}
.radar .cross.h{left:0;right:0;top:50%;height:1px}
.radar .cross.v{top:0;bottom:0;left:50%;width:1px}
.radar .sweep{position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(from 0deg,rgba(255,255,255,.35),transparent 42%);
  animation:spin 4.6s linear infinite;transform-origin:center}
@keyframes spin{to{transform:rotate(360deg)}}
.radar .blip{position:absolute;width:8px;height:8px;border-radius:50%;background:#fff;
  box-shadow:0 0 12px rgba(255,255,255,.9);transform:translate(-50%,-50%);animation:ping 3.4s infinite}
.radar .blip.v{background:#fff}
@keyframes ping{0%,100%{opacity:.35;transform:translate(-50%,-50%) scale(.8)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.15)}}
.radar .core{position:absolute;left:50%;top:50%;width:12px;height:12px;border-radius:50%;
  transform:translate(-50%,-50%);background:#fff;box-shadow:0 0 20px rgba(255,255,255,.9)}
.radar-tags{position:absolute;inset:0;pointer-events:none}
.radar-tags span{position:absolute;font-family:"JetBrains Mono",monospace;font-size:10.5px;
  color:var(--muted);background:rgba(0,0,0,.8);border:1px solid var(--border);
  border-radius:6px;padding:2px 7px;white-space:nowrap}

/* ---------- Sections ---------- */
.section{padding:clamp(56px,8vw,96px) 0}
.section-head{max-width:640px;margin:0 auto 52px;text-align:center}
.eyebrow{color:var(--muted);font-size:12.5px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;margin-bottom:14px;font-family:"JetBrains Mono",monospace}
.section-head h2{font-size:clamp(28px,4vw,42px);letter-spacing:-.03em;font-weight:700;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:17px}

/* ---------- Bento capability grid ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 24px;position:relative;overflow:hidden;
  transition:transform .18s,border-color .18s,box-shadow .18s;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.tile::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .25s;
  background:radial-gradient(420px 200px at var(--mx,50%) 0%,rgba(255,255,255,.08),transparent 60%)}
.tile:hover{transform:translateY(-4px);border-color:var(--border-2);box-shadow:0 22px 50px -30px #000}
.tile:hover::before{opacity:1}
.tile .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--surface-2);border:1px solid var(--border-2);color:#fff}
.tile .ic svg{width:23px;height:23px}
.tile h3{font-size:17px;letter-spacing:-.01em;margin-bottom:8px;display:flex;align-items:center;gap:9px}
.tile p{color:var(--muted);font-size:14px}
.tile .live-dot{width:7px;height:7px;border-radius:50%;background:#fff;box-shadow:0 0 9px rgba(255,255,255,.8);
  animation:blip 1.8s infinite;flex-shrink:0}
.tile.wide{grid-column:span 3}
.tile.mid{grid-column:span 2}
.tile.small{grid-column:span 2}
@media(min-width:861px){.bento{grid-auto-rows:1fr}}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split .copy h2{font-size:clamp(26px,3.4vw,36px);letter-spacing:-.025em;margin-bottom:16px;font-weight:700}
.split .copy p{color:var(--muted);font-size:16px;margin-bottom:26px}
.feat-list{list-style:none;display:flex;flex-direction:column;gap:16px}
.feat-list li{display:flex;gap:14px;align-items:flex-start}
.feat-list .fic{width:34px;height:34px;border-radius:9px;flex-shrink:0;display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--border-2);color:#fff}
.feat-list .fic svg{width:17px;height:17px}
.feat-list .ft{font-size:15px;font-weight:600;color:var(--text);margin-bottom:2px}
.feat-list .fd{font-size:13.5px;color:var(--muted)}
/* terminal mock */
.terminal{background:var(--surface-solid);border:1px solid var(--border-2);border-radius:16px;overflow:hidden;
  box-shadow:0 34px 80px -40px #000}
.terminal .bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--border);
  background:rgba(255,255,255,.02)}
.terminal .bar .d{width:11px;height:11px;border-radius:50%;background:var(--border-2)}
.terminal .bar .t{margin-left:8px;font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--muted-2)}
.terminal .body{padding:16px;font-family:"JetBrains Mono",monospace;font-size:12.5px;line-height:1.9}
.terminal .ln{display:flex;gap:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.terminal .ln .tag{border-radius:5px;padding:0 7px;font-weight:700;font-size:10.5px;align-self:center;
  background:rgba(255,255,255,.1);color:#fff}
.terminal .ln .msg{color:var(--muted)}
.terminal .ln .co{margin-left:auto;color:#fff}

/* ---------- Security band ---------- */
.sec-band{border:1px solid var(--border);border-radius:20px;padding:44px 40px;
  background:var(--surface);display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.sec-item .si-ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;margin-bottom:14px;
  background:var(--surface-2);border:1px solid var(--border-2);color:#fff}
.sec-item .si-ic svg{width:19px;height:19px}
.sec-item h4{font-size:15px;margin-bottom:6px;letter-spacing:-.01em}
.sec-item p{color:var(--muted);font-size:13px}

/* ---------- CTA band ---------- */
.cta-band{position:relative;text-align:center;border:1px solid var(--border-2);border-radius:24px;
  padding:clamp(44px,6vw,72px) 24px;overflow:hidden;background:var(--surface)}
.cta-band h2{font-size:clamp(28px,4vw,44px);letter-spacing:-.03em;font-weight:700;margin-bottom:14px}
.cta-band p{color:var(--muted);font-size:17px;max-width:520px;margin:0 auto 30px}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--border);padding:44px 0 40px;margin-top:20px}
.foot-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px}
.foot-inner .logo{font-size:15px}
.foot-links{display:flex;gap:24px;flex-wrap:wrap}
.foot-links a{color:var(--muted);font-size:13.5px;transition:color .15s}
.foot-links a:hover{color:#fff}
footer .copy{color:var(--muted-2);font-size:13px;font-family:"JetBrains Mono",monospace}

/* ---------- Pricing page ---------- */
.pricing-hero{text-align:center;padding:clamp(56px,8vw,88px) 0 28px}
.pricing-hero h1{font-size:clamp(34px,5vw,52px);letter-spacing:-.035em;font-weight:700;margin-bottom:14px}
.pricing-hero p{color:var(--muted);font-size:18px;max-width:520px;margin:0 auto}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start;padding:20px 0 40px}
.price-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 28px;position:relative;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:transform .18s,border-color .18s}
.price-card:hover{transform:translateY(-4px);border-color:var(--border-2)}
.price-card.featured{border-color:#fff;box-shadow:0 30px 70px -40px rgba(255,255,255,.35)}
.price-card .badge{position:absolute;top:-12px;left:28px;background:#fff;color:#000;font-size:11px;font-weight:800;
  padding:4px 11px;border-radius:7px;letter-spacing:.05em}
.price-card .tier{font-size:15px;color:var(--muted);font-weight:600;font-family:"Space Grotesk",sans-serif}
.price-card .price{font-size:46px;font-weight:700;letter-spacing:-.03em;margin:10px 0 2px;font-family:"Space Grotesk",sans-serif}
.price-card .price span{font-size:16px;color:var(--muted);font-weight:500}
.price-card .best{color:var(--muted-2);font-size:13.5px;margin-bottom:20px}
.price-card ul{list-style:none;margin:20px 0;display:flex;flex-direction:column;gap:12px}
.price-card li{font-size:14px;display:flex;gap:11px;align-items:flex-start;color:var(--muted)}
.price-card li.on{color:var(--text)}
.price-card li svg{width:18px;height:18px;flex-shrink:0;margin-top:1px}
.price-card li .ck{color:#fff}
.price-card li .no{color:var(--muted-2)}
.hr{border:none;border-top:1px solid var(--border);margin:20px 0}
.faq{max-width:760px;margin:0 auto;padding:20px 0}
.faq h2{text-align:center;font-size:clamp(24px,3.4vw,34px);letter-spacing:-.02em;margin-bottom:36px;font-weight:700}
.faq-item{border:1px solid var(--border);border-radius:12px;padding:20px 22px;margin-bottom:12px;background:var(--surface)}
.faq-item h3{font-size:16px;margin-bottom:8px;letter-spacing:-.01em}
.faq-item p{color:var(--muted);font-size:14.5px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);
  transition:opacity .65s cubic-bezier(.16,1,.3,1),transform .65s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(24px);
  transition:opacity .55s cubic-bezier(.16,1,.3,1),transform .55s cubic-bezier(.16,1,.3,1)}
.stagger.in>*{opacity:1;transform:none}
.stagger.in>*:nth-child(1){transition-delay:.04s}
.stagger.in>*:nth-child(2){transition-delay:.10s}
.stagger.in>*:nth-child(3){transition-delay:.16s}
.stagger.in>*:nth-child(4){transition-delay:.22s}
.stagger.in>*:nth-child(5){transition-delay:.28s}
.stagger.in>*:nth-child(6){transition-delay:.34s}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .radar-wrap{max-width:360px;order:-1}
  .split{grid-template-columns:1fr;gap:36px}
  .sec-band{grid-template-columns:repeat(2,1fr);gap:24px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .tile.wide,.tile.mid,.tile.small{grid-column:span 1}
}
@media(max-width:680px){
  .nav-links .link{display:none}
  .pricing{grid-template-columns:1fr}
  .sec-band{grid-template-columns:1fr;padding:32px 24px}
  .bento{grid-template-columns:1fr}
  .hero-stats{gap:22px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .radar .sweep,.radar .blip,.pill .dot,.tile .live-dot{animation:none!important}
  .reveal,.stagger>*{opacity:1!important;transform:none!important;transition:none!important}
  .btn:hover,.tile:hover,.price-card:hover{transform:none!important}
}