/* Kernos landing v2 — Kelo-style dark glassmorphism, zero-JS, static.
   Visual grammar from references/jiro-free (bg-white/5 cards, white/10 borders,
   40px radii, pill CTAs, layered white opacities). Brand accent: kernos blue. */
:root{
  --noise:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  --grid:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64'%3E%3Cpath d='M64 0H0v64' fill='none' stroke='rgba(255,255,255,0.045)' stroke-width='1'/%3E%3C/svg%3E");
  --bg:#0d0f0e; --bg2:#111011; --card:rgba(255,255,255,.05); --card-hi:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.10); --line-hi:rgba(255,255,255,.18);
  --w90:rgba(255,255,255,.92); --w60:rgba(255,255,255,.60); --w40:rgba(255,255,255,.40);
  --acc:#00bd7d; --acc-2:#34d399; --ok:#00bd7d;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  --r-block:40px; --r-card:20px; --r-ctl:999px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:clip}
body{font-family:var(--sans);background:var(--bg);color:var(--w90);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;position:relative}
body::after{content:"";position:fixed;inset:0;background:var(--noise);background-size:160px;opacity:.05;pointer-events:none;z-index:1;z-index:9999;mix-blend-mode:overlay}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--acc-2);border:1px solid var(--line);background:var(--card);border-radius:var(--r-ctl);padding:6px 14px}
/* nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(13,15,14,.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:26px;min-height:64px}
.brand{font-family:var(--mono);font-weight:700;letter-spacing:.22em;color:var(--w90);text-decoration:none;font-size:15px}
.brand em{color:var(--acc-2);font-style:normal}
.nav-links{display:flex;gap:24px;margin-left:auto}
.nav-links a{color:var(--w60);text-decoration:none;font-size:14px;transition:color .15s}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--w90)}
/* pills */
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:600;font-size:15px;border-radius:var(--r-ctl);padding:12px 24px;transition:transform .15s ease,background .15s ease,border-color .15s ease}
.btn:focus-visible{outline:2px solid var(--acc-2);outline-offset:2px}
.btn-acc{background:#fff;color:#0d0f0e;box-shadow:0 8px 30px rgba(0,189,125,.22)}
.btn-acc:hover{transform:translateY(-2px)}
.btn-glass{background:var(--card);border:1px solid var(--line-hi);color:var(--w90);backdrop-filter:blur(8px)}
.btn-glass:hover{background:var(--card-hi)}
.btn-ghost{color:var(--w60)} .btn-ghost:hover{color:var(--w90)}
/* glass block */
.glass{background:var(--card);border:1px solid var(--line);border-radius:var(--r-block);backdrop-filter:blur(20px)}
/* hero */
.hero{padding:72px 0 40px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:var(--grid);background-size:64px 64px;mask-image:radial-gradient(60% 55% at 50% 8%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(60% 55% at 50% 8%,#000 30%,transparent 75%);pointer-events:none}
.hero::before{content:"";position:absolute;inset:-20% -10% auto;height:78%;background:radial-gradient(52% 62% at 62% 18%,rgba(0,189,125,.22),transparent 70%),radial-gradient(42% 52% at 16% 42%,rgba(52,211,153,.10),transparent 70%),radial-gradient(30% 40% at 85% 30%,rgba(0,166,110,.10),transparent 70%);pointer-events:none;filter:blur(2px)}
.hero .wrap{position:relative}
.hero h1{font-size:clamp(40px,5.8vw,72px);line-height:1.06;font-weight:760;letter-spacing:-.025em;max-width:860px;margin-top:26px}
.hero h1 em{font-style:normal;background:linear-gradient(92deg,var(--acc) 10%,var(--acc-2) 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{margin:24px 0 0;font-size:19px;color:var(--w60);max-width:700px}
.hero .cta{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap;align-items:center}
.topo{position:absolute;top:8px;right:-20px;width:460px;max-width:44vw;opacity:.5;pointer-events:none;mask-image:radial-gradient(70% 70% at 60% 40%,#000 40%,transparent 80%);-webkit-mask-image:radial-gradient(70% 70% at 60% 40%,#000 40%,transparent 80%)}
.hero .fine{margin-top:20px;font-size:13px;color:var(--w40)}
.hero .fine code{font-family:var(--mono);color:var(--w60)}
/* hero showcase card (Kelo 40px block) */
.showcase{margin-top:56px;border-radius:var(--r-block);border:1px solid var(--line-hi);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));backdrop-filter:blur(24px);box-shadow:0 30px 90px rgba(0,0,0,.5),0 0 80px rgba(0,189,125,.12),inset 0 1px 0 rgba(255,255,255,.12);overflow:hidden;position:relative}
.showcase::before{content:"";position:absolute;inset:0 0 auto;height:1px;background:linear-gradient(90deg,transparent,rgba(52,211,153,.7),transparent)}
.showcase .bar{display:flex;gap:6px;padding:14px 18px;border-bottom:1px solid var(--line)}
.showcase .bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.14)}
.showcase .bar i:first-child{background:rgba(0,189,125,.7)}
.showcase .grid{display:grid;grid-template-columns:1.1fr 1fr;gap:0}
.showcase .pane{padding:34px;border-right:1px solid var(--line)}
.showcase .pane h3{font-size:15px;color:var(--w60);font-weight:600;margin-bottom:18px}
.flow{display:flex;flex-direction:column;gap:10px}
.flow .step{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:14px;padding:12px 16px;font-size:14px}
.flow .step b{font-family:var(--mono);font-size:11px;color:var(--acc-2);letter-spacing:.1em}
.flow .step.approve{border-color:rgba(0,189,125,.35)}
.flow .step.approve b{color:var(--ok)}
.showcase .pane.meta{padding:34px;display:flex;flex-direction:column;gap:14px}
.kv{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;border-bottom:1px dashed var(--line);padding-bottom:12px}
.kv span{color:var(--w40)} .kv b{color:var(--w90);font-weight:600;text-align:right}
/* trust */
.trust{padding:34px 0 8px}
.trust .glass{display:grid;grid-template-columns:repeat(6,1fr);padding:26px 18px}
.trust div{text-align:center;border-right:1px solid var(--line)}
.trust div:last-child{border-right:0}
.trust b{display:block;font-size:22px;font-variant-numeric:tabular-nums}
.trust span{font-size:11.5px;color:var(--w40);letter-spacing:.04em}
/* sections */
section{padding:76px 0}
h2{font-size:clamp(26px,3.4vw,40px);line-height:1.12;letter-spacing:-.02em;font-weight:730;margin-top:18px}
.lede{font-size:17.5px;color:var(--w60);max-width:730px;margin-top:16px}
/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.gcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;transition:background .2s,border-color .2s,transform .2s}
.gcard:hover{background:var(--card-hi);border-color:rgba(52,211,153,.35);transform:translateY(-3px);box-shadow:0 16px 50px rgba(0,0,0,.4),0 0 40px rgba(0,189,125,.08)}
.stagechip{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ok);border:1px solid rgba(0,189,125,.35);border-radius:999px;padding:4px 12px;display:inline-block;margin-bottom:14px}
.gcard .tag{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--acc-2)}
.gcard h3{font-size:17px;margin:12px 0 8px}
.gcard p{font-size:14px;color:var(--w60)}
.gcard ul{margin:12px 0 0 16px;font-size:13px;color:var(--w60)}
.gcard li{margin:6px 0}
/* frames */
.frames{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.frame{border-radius:var(--r-card);border:1px solid var(--line);padding:28px;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02))}
.frame .step{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--acc-2)}
.frame h3{margin:12px 0 8px;font-size:18px}
.frame p{font-size:14px;color:var(--w60)}
/* deploy + pricing */
.st{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;border-radius:var(--r-ctl);padding:4px 10px;display:inline-block}
.st.today{color:var(--ok);border:1px solid rgba(0,189,125,.4)}
.st.planned{color:#f5a623;border:1px solid rgba(245,166,35,.35)}
.price{font-size:36px;font-weight:750;font-variant-numeric:tabular-nums}
.price span{font-size:14px;font-weight:500;color:var(--w40)}
.tier{display:flex;flex-direction:column;gap:8px}
.tier.hi{border-color:rgba(0,189,125,.5);box-shadow:0 0 0 1px rgba(0,189,125,.32),0 20px 60px rgba(0,189,125,.12)}
.tier .btn{margin-top:auto;justify-content:center}
/* faq */
.faq{max-width:840px}
.faq details{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:18px 22px;margin-top:12px}
.faq summary{cursor:pointer;font-weight:650;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--acc-2)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin-top:12px;color:var(--w60);font-size:14.5px}
/* final + footer */
.final{padding:90px 0;text-align:center;position:relative;overflow:hidden}
.final::before{content:"";position:absolute;inset:auto -10% -40%;height:80%;background:radial-gradient(50% 70% at 50% 100%,rgba(0,189,125,.18),transparent 70%)}
.final .wrap{position:relative}
.final .cta{display:flex;gap:14px;justify-content:center;margin-top:32px;flex-wrap:wrap}
footer{border-top:1px solid var(--line);padding:32px 0;font-size:13px;color:var(--w40)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--w60);text-decoration:none}
footer a:hover{color:var(--w90)}
/* responsive */
@media(max-width:900px){
  .topo{display:none}
  .nav-links{display:none}
  .trust .glass{grid-template-columns:repeat(3,1fr);gap:18px 0}
  .trust div:nth-child(3n){border-right:0}
  .grid3,.frames{grid-template-columns:1fr}
  .showcase .grid{grid-template-columns:1fr}
  .showcase .pane{border-right:0;border-bottom:1px solid var(--line)}
  section{padding:60px 0}
  .hero{padding:56px 0 32px}
}

/* lead form */
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.leadform{margin-top:40px;display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:840px}
.leadform label{display:flex;flex-direction:column;gap:7px;font-size:13.5px;color:var(--w60);grid-column:span 1}
.leadform label[style*="span 2"],.leadform .full{grid-column:span 2}
.leadform input[type=text],.leadform input[type=email],.leadform select,.leadform textarea{
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:10px;color:var(--w90);
  padding:11px 14px;font-size:15px;font-family:inherit;transition:border-color .15s}
.leadform input:focus,.leadform select:focus,.leadform textarea:focus{outline:none;border-color:var(--acc-2)}
.leadform textarea{resize:vertical}
.leadform .chk{flex-direction:row;align-items:center;gap:9px;grid-column:span 2;cursor:pointer}
.leadform .btn{grid-column:span 2;justify-content:center}
@media(max-width:900px){.leadform{grid-template-columns:1fr}.leadform label,.leadform .chk,.leadform .btn{grid-column:span 1}}

/* blog */
.post{max-width:780px;margin:0 auto}
.post p{margin:14px 0;color:var(--w90);font-size:16px}
.post h2{margin:38px 0 4px;font-size:clamp(22px,2.6vw,30px)}
.post h3{margin:26px 0 8px;font-size:18px}
.post ul{margin:10px 0 10px 20px;color:var(--w60);font-size:15px}
.post li{margin:7px 0}
.post blockquote{border-left:3px solid var(--ok);padding:4px 18px;margin:18px 0;color:var(--w60);font-style:italic}
.post p.meta,.post .meta{font-family:var(--mono);font-size:12px;color:var(--w40);letter-spacing:.08em}
.post p.sub2{color:var(--w60);font-size:17px}
.post a{color:var(--acc-2)}
.post table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.post th,.post td{border:1px solid var(--line);padding:8px 10px;text-align:left;color:var(--w60)}
.post th{color:var(--w90);background:rgba(255,255,255,.04)}