:root{
  --bg:#0b0f14; --panel:#121821; --panel2:#161d28; --fg:#e8eef5; --muted:#93a1b2;
  --accent:#6c5ce7; --accent2:#00d3a7; --border:#212b38; --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--fg);line-height:1.6}
a{color:inherit;text-decoration:none}
.nav{position:sticky;top:0;display:flex;justify-content:space-between;align-items:center;
  padding:15px 24px;background:rgba(11,15,20,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:10}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.15rem}
.brand span{color:var(--accent)}
.nav nav{display:flex;align-items:center}
.nav nav a{margin-left:22px;color:var(--muted);font-size:.95rem}
.nav nav a:hover{color:var(--fg)}
.navbtn{background:var(--accent);color:#fff!important;padding:8px 16px;border-radius:9px;font-weight:600}
.hero{padding:96px 24px 72px;background:radial-gradient(900px 420px at 70% -10%,rgba(108,92,231,.22),transparent)}
.hero-inner{max-width:820px;margin:0 auto}
.eyebrow{color:var(--accent2);font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:.78rem;margin:0 0 12px}
h1{font-size:clamp(2rem,5vw,3.3rem);line-height:1.1;margin:0 0 18px}
.lead{font-size:1.18rem;color:var(--muted);max-width:640px}
.cta{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 22px;border-radius:10px;font-weight:700;border:0;cursor:pointer;font-size:1rem}
.btn:hover{filter:brightness(1.1)}
.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--fg)}
.block{max-width:1000px;margin:0 auto;padding:64px 24px}
.block.alt{background:var(--panel)}
section.alt{border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
h2{font-size:1.7rem;margin:0 0 28px;text-align:center}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.card{background:var(--panel2);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.card.highlight{border-color:var(--accent);box-shadow:0 10px 30px rgba(108,92,231,.18)}
.card h3{margin:0 0 8px;font-size:1.12rem}
.card p{color:var(--muted);margin:0 0 12px}
.price{font-size:1.7rem;font-weight:800;color:var(--fg)}
.price span{font-size:.8rem;color:var(--muted);font-weight:500}
.card ul{margin:0;padding-left:18px;color:var(--muted)}
.card li{margin:5px 0}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.chips span{background:var(--panel2);border:1px solid var(--border);border-radius:999px;padding:9px 18px;font-weight:600}
.cta-band{text-align:center}
.cta-band .prose{max-width:560px;margin:0 auto 22px;color:var(--muted)}
.prose{color:var(--muted)}
.muted-link{color:var(--accent)}
footer{border-top:1px solid var(--border);padding:28px 24px;text-align:center;color:var(--muted);font-size:.9rem}
/* auth */
.auth-body{display:flex;min-height:100vh;align-items:center;justify-content:center;background:radial-gradient(800px 500px at 50% -10%,rgba(108,92,231,.18),transparent),var(--bg)}
.auth-wrap{width:100%;max-width:400px;padding:24px;text-align:center}
.auth-card{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:32px 28px;text-align:left}
.brand.center{justify-content:center;margin-bottom:18px}
.auth-title{font-size:1.3rem;margin:0 0 22px;text-align:center}
.auth-form{display:grid;gap:14px}
.auth-form label{display:grid;gap:6px;font-size:.85rem;color:var(--muted)}
.auth-form input{background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:11px 13px;color:var(--fg);font:inherit}
.auth-form input:focus{outline:none;border-color:var(--accent)}
.auth-row{display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:var(--muted)}
.remember{display:flex;align-items:center;gap:7px}
.btn.full{width:100%}
.auth-foot{margin:20px 0 0;text-align:center;font-size:.85rem;color:var(--muted)}
.auth-copy{margin-top:18px;color:var(--muted);font-size:.8rem}
.form-note{color:var(--accent2);margin:4px 0 0}