/* MrvBot — design system (matches branding.py palette). Dark-first, professional. */
:root{
  --primary:#0b3b6f; --primary-strong:#072a52; --secondary:#2f9bff;
  --accent:#16c784; --danger:#e5484d; --warning:#f5a524;
  --bg:#0d1117; --panel:#161b22; --panel2:#1c2330; --border:#2a3340;
  --fg:#e6edf3; --muted:#8b97a7;
  --radius:14px; --radius-sm:9px; --maxw:1100px;
  --font:'Segoe UI',Inter,system-ui,Arial,sans-serif;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:
  radial-gradient(1200px 600px at 80% -10%,rgba(47,155,255,.12),transparent),
  radial-gradient(900px 500px at -10% 10%,rgba(22,199,132,.10),transparent),
  var(--bg);color:var(--fg);line-height:1.6}
a{color:var(--secondary);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* Nav */
.nav{position:sticky;top:0;z-index:40;backdrop-filter:blur(10px);
  background:rgba(13,17,23,.78);border-bottom:1px solid var(--border)}
.nav .container{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--fg)}
.brand img{height:34px}
.nav .links{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
.nav .links a{color:var(--muted);font-size:14px;font-weight:600}
.nav .links a:hover{color:var(--fg);text-decoration:none}

/* Buttons */
.btn{display:inline-block;padding:12px 22px;border-radius:var(--radius-sm);
  font-weight:700;border:1px solid transparent;cursor:pointer;font-size:15px}
.btn-primary{background:linear-gradient(135deg,var(--secondary),var(--primary));color:#fff}
.btn-accent{background:var(--accent);color:#04231a}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--fg)}
.btn:hover{text-decoration:none;filter:brightness(1.06);transform:translateY(-1px)}

/* Hero */
.hero{padding:80px 0 40px;text-align:center}
.hero h1{font-size:44px;line-height:1.15;margin:0 0 16px;
  background:linear-gradient(120deg,#fff,#9fd0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:19px;color:var(--muted);max-width:720px;margin:0 auto 28px}
.hero .ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Sections */
.section{padding:48px 0}
.section h2{font-size:30px;margin:0 0 8px}
.section .lead{color:var(--muted);margin:0 0 28px;font-size:16px}
.eyebrow{color:var(--secondary);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:12px}

/* Cards / grid */
.grid{display:grid;gap:18px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.grid.cols-2,.grid.cols-3{grid-template-columns:1fr}.hero h1{font-size:32px}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);transition:.18s}
.card:hover{border-color:var(--secondary);transform:translateY(-2px)}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.card .tag{display:inline-block;font-size:12px;color:var(--secondary);
  border:1px solid var(--border);border-radius:999px;padding:3px 10px;margin-bottom:10px}

/* Steps / lists */
ol.steps{counter-reset:s;list-style:none;padding:0;margin:0}
ol.steps li{counter-increment:s;position:relative;padding:12px 0 12px 46px;border-bottom:1px solid var(--border)}
ol.steps li:last-child{border-bottom:0}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:10px;width:30px;height:30px;
  display:grid;place-items:center;border-radius:50%;background:var(--primary);color:#fff;font-weight:700}
ul.clean{list-style:none;padding:0;margin:0}
ul.clean li{padding:8px 0 8px 26px;position:relative;color:var(--fg)}
ul.clean li::before{content:'';position:absolute;left:4px;top:15px;width:8px;height:8px;border-radius:2px;background:var(--accent)}

/* Strategy detail rows */
.kv{display:grid;grid-template-columns:170px 1fr;gap:8px 14px;margin-top:10px}
.kv dt{color:var(--secondary);font-weight:600}
.kv dd{margin:0;color:var(--fg)}
@media(max-width:560px){.kv{grid-template-columns:1fr}.kv dt{margin-top:8px}}

/* Pricing */
.price{font-size:46px;font-weight:800}
.price small{font-size:16px;color:var(--muted);font-weight:500}

/* Risk banner */
.risk{background:rgba(245,165,36,.10);border:1px solid var(--warning);
  border-radius:var(--radius);padding:16px 18px;color:#ffd9a0;font-size:14px}
.risk strong{color:var(--warning)}

/* Footer */
.footer{border-top:1px solid var(--border);margin-top:40px;padding:30px 0;color:var(--muted);font-size:14px}
.footer .container{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between}
.footer a{color:var(--muted)}
.footer .legal{display:flex;gap:16px;flex-wrap:wrap}

/* Prose */
.prose h2{margin-top:28px}
.prose p{color:var(--fg)}
.back{display:inline-block;margin-bottom:16px;color:var(--muted);font-weight:600}