:root{
  --bg:#0b0d12;--bg-soft:#12151c;--card:#161a22;--border:#232834;
  --fg:#e7e9ee;--muted:#98a1b3;--muted-2:#6b7385;
  --accent:#4f8cff;--accent-2:#38d39f;--accent-ink:#0b0d12;
  --radius:14px;--maxw:1120px;--ff:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--ff);background:var(--bg);color:var(--fg);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#3f7bef}
.btn-ghost{border-color:var(--border);color:var(--fg);background:transparent}
.btn-ghost:hover{border-color:#33394a;background:var(--bg-soft)}
.btn-lg{padding:14px 24px;font-size:16px}

/* header */
header.site{position:sticky;top:0;z-index:40;background:rgba(11,13,18,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand .logo{width:28px;height:28px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--muted);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--fg)}
.nav-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;background:none;border:0;color:var(--fg);cursor:pointer;padding:6px}
@media(max-width:860px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .burger{display:block}
  .nav-links.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg-soft);border-bottom:1px solid var(--border);padding:8px 24px 16px}
  .nav-links.open a{padding:12px 0;border-bottom:1px solid var(--border)}
}

/* hero */
.hero{padding:96px 0 72px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% 0 auto 0;height:600px;background:radial-gradient(600px 300px at 50% 0,rgba(79,140,255,.18),transparent 70%);pointer-events:none}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--accent);background:rgba(79,140,255,.1);border:1px solid rgba(79,140,255,.25);padding:5px 12px;border-radius:999px;margin-bottom:22px}
h1{font-size:clamp(34px,6vw,56px);line-height:1.05;letter-spacing:-.03em;margin:0 0 18px;font-weight:800}
.hero p.lead{font-size:19px;color:var(--muted);max-width:620px;margin:0 auto 32px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-note{margin-top:16px;font-size:13px;color:var(--muted-2)}

.logos{padding:36px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-soft)}
.logos .wrap{display:flex;align-items:center;justify-content:center;gap:44px;flex-wrap:wrap;opacity:.6}
.logos span{font-weight:700;font-size:18px;color:var(--muted);letter-spacing:-.02em}

section.block{padding:80px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 52px}
.section-head h2{font-size:clamp(26px,4vw,38px);letter-spacing:-.02em;margin:0 0 14px;font-weight:800}
.section-head p{color:var(--muted);font-size:17px;margin:0}

.grid{display:grid;gap:20px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.card .ico{width:40px;height:40px;border-radius:10px;background:rgba(79,140,255,.12);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--accent)}
.card h3{margin:0 0 8px;font-size:18px;letter-spacing:-.01em}
.card p{margin:0;color:var(--muted);font-size:15px}

.cta-band{margin:0 24px;background:linear-gradient(135deg,#182036,#131a2b);border:1px solid var(--border);border-radius:20px;padding:56px 32px;text-align:center}
.cta-band h2{font-size:clamp(24px,4vw,34px);margin:0 0 12px;letter-spacing:-.02em}
.cta-band p{color:var(--muted);margin:0 0 26px;font-size:17px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
@media(max-width:860px){.plans{grid-template-columns:1fr}}
.plan{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 20px 60px -30px rgba(79,140,255,.6)}
.plan .tag{font-size:12px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.05em}
.plan .price{font-size:44px;font-weight:800;letter-spacing:-.03em;margin:14px 0 2px}
.plan .price span{font-size:16px;font-weight:500;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:22px 0 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.plan li{display:flex;gap:10px;font-size:15px;color:var(--muted)}
.plan li svg{flex:0 0 auto;color:var(--accent-2)}

/* auth */
.auth-shell{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;padding:48px 24px}
.auth{width:100%;max-width:400px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:36px}
.auth h1{font-size:24px;text-align:center;margin:0 0 6px}
.auth .sub{text-align:center;color:var(--muted);font-size:14px;margin:0 0 26px}
.tabs{display:flex;background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:4px;margin-bottom:22px}
.tabs button{flex:1;background:none;border:0;color:var(--muted);font-weight:600;font-size:14px;padding:8px;border-radius:7px;cursor:pointer}
.tabs button.active{background:var(--card);color:var(--fg)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:500}
.field input{width:100%;background:var(--bg-soft);border:1px solid var(--border);border-radius:9px;padding:11px 13px;color:var(--fg);font-size:15px;font-family:inherit}
.field input:focus{outline:none;border-color:var(--accent)}
.auth .btn{width:100%;justify-content:center}
.auth .err{display:none;background:rgba(255,86,86,.1);border:1px solid rgba(255,86,86,.3);color:#ff9b9b;font-size:13px;padding:10px 12px;border-radius:9px;margin-bottom:16px}
.auth .err.show{display:block}
.auth .alt{text-align:center;font-size:13px;color:var(--muted-2);margin-top:18px}
.auth .alt a{color:var(--accent)}

/* legal / generic page */
.doc{max-width:760px;margin:0 auto;padding:64px 0}
.doc h1{font-size:34px;margin:0 0 8px}
.doc .updated{color:var(--muted-2);font-size:14px;margin-bottom:36px}
.doc h2{font-size:20px;margin:34px 0 12px}
.doc p,.doc li{color:var(--muted);font-size:15px}
.doc ul{padding-left:20px}

/* 404 */
.nf{min-height:calc(100vh - 64px);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px 24px}
.nf .code{font-size:96px;font-weight:800;letter-spacing:-.04em;background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.nf h1{font-size:26px;margin:8px 0 10px}
.nf p{color:var(--muted);margin:0 0 26px}

/* footer */
footer.site{border-top:1px solid var(--border);background:var(--bg-soft);padding:56px 0 32px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-brand p{color:var(--muted);font-size:14px;max-width:280px;margin:12px 0 0}
.foot-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted-2);margin:0 0 14px}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0}
.foot-col a:hover{color:var(--fg)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-top:44px;padding-top:24px;border-top:1px solid var(--border);color:var(--muted-2);font-size:13px}