:root{
  --bg:#0d0e10;
  --fg:#f4f4f2;
  --muted:#9ea0a6;
  --accent:#ffd667;
  --accent-fg:#1a1a1a;
  --card:#16181b;
  --border:#262a30;
  --max:980px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--fg)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}

.nav{position:sticky;top:0;background:rgba(13,14,16,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:10}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:700;letter-spacing:-.01em;text-decoration:none;font-size:18px}
.nav-cta{font-size:14px;text-decoration:none;color:var(--accent);border:1px solid var(--accent);padding:8px 14px;border-radius:8px}
.nav-cta:hover{background:var(--accent);color:var(--accent-fg)}

.hero{padding:88px 0 56px;border-bottom:1px solid var(--border)}
.eyebrow{margin:0 0 14px;color:var(--accent);font-size:13px;letter-spacing:.04em;text-transform:uppercase;font-weight:600}
h1{margin:0 0 22px;font-size:clamp(34px,5vw,56px);line-height:1.08;letter-spacing:-.02em;font-weight:700}
.sub{font-size:19px;color:var(--muted);max-width:680px;margin:0 0 32px}

.btn{display:inline-block;text-decoration:none;font-weight:600;padding:14px 22px;border-radius:10px;font-size:16px;transition:transform .08s ease}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);color:var(--accent-fg)}
.btn.primary:hover{filter:brightness(1.05)}
.btn.big{padding:18px 28px;font-size:18px}
.cta-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-meta{color:var(--muted);font-size:14px}
.cta-meta.center{display:block;text-align:center;margin-top:14px}

.proof{padding:64px 0;border-bottom:1px solid var(--border)}
.proof h2,.how h2,.book h2{margin:0 0 28px;font-size:clamp(24px,3vw,32px);letter-spacing:-.01em}
.cards{list-style:none;counter-reset:n;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;padding:0;margin:0}
.cards li{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;counter-increment:n;position:relative}
.cards li::before{content:counter(n);position:absolute;top:18px;right:22px;color:var(--accent);font-weight:700;font-size:14px;opacity:.7}
.cards h3{margin:0 0 8px;font-size:18px}
.cards p{margin:0;color:var(--muted);font-size:15px}

.demo-embed{padding:64px 0;border-bottom:1px solid var(--border)}
.demo-embed h2{margin:0 0 14px;font-size:clamp(24px,3vw,32px);letter-spacing:-.01em}
.demo-embed .sub-muted{color:var(--muted);max-width:680px;margin:0 0 22px;font-size:17px}
.demo-embed .cta-meta{display:block;margin-top:12px}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--border)}
.btn.ghost:hover{border-color:var(--fg)}

.how{padding:64px 0;border-bottom:1px solid var(--border)}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.steps li{padding:18px 20px;background:var(--card);border:1px solid var(--border);border-radius:12px;color:var(--muted)}
.steps strong{color:var(--fg);font-weight:600}

.book{padding:80px 0 100px;text-align:center}
.book p{color:var(--muted);max-width:560px;margin:0 auto 28px}

details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px 20px;margin:0 0 12px}
details summary{cursor:pointer;font-weight:600;color:var(--fg);list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::before{content:"+ ";color:var(--accent);font-weight:700}
details[open] summary::before{content:"\2212  "}
details p{margin:10px 0 0;color:var(--muted);font-size:15px}

.guides{padding:48px 0;border-top:1px solid var(--border)}
.guides h2{margin:0 0 18px;font-size:clamp(20px,2.4vw,26px);letter-spacing:-.01em}
.guides ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}
.guides a{display:block;padding:14px 18px;background:var(--card);border:1px solid var(--border);border-radius:10px;color:var(--fg);text-decoration:none;font-size:15px}
.guides a:hover{border-color:var(--accent);color:var(--accent)}

.playbook-cta{padding:72px 0;border-bottom:1px solid var(--border);text-align:center;background:linear-gradient(180deg,rgba(255,214,103,.04),transparent)}
.playbook-cta .eyebrow{margin-bottom:12px}
.playbook-cta h2{margin:0 0 14px;font-size:clamp(24px,3vw,34px);letter-spacing:-.01em}
.playbook-cta p{color:var(--muted);max-width:600px;margin:0 auto 26px}
.playbook-cta .cta-meta.center{margin-top:14px}

footer{border-top:1px solid var(--border);padding:24px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted)}