:root{--primary:#045C45;--accent:#003B00;--subtle:#DDFDC6;--secondary:#F4FF7F;--tertiary:#FFCCE6;--bg-panel:#E6FBE5;--bg:#FAFAFA;--text:#1a1a1a;--text-muted:#666;--card-bg:#fff;--border:#e5e5e5;--radius:16px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between}.nav-logo{font-weight:800;font-size:20px;color:var(--primary);letter-spacing:-.5px}.nav-links{display:flex;gap:8px;flex-wrap:wrap}.nav-links a{font-size:13px;font-weight:500;color:var(--text-muted);text-decoration:none;padding:6px 12px;border-radius:8px;transition:all .2s}.nav-links a:hover{background:var(--bg-panel);color:var(--primary)}.nav-cta{font-size:13px;font-weight:600;color:#fff;background:var(--primary);border-radius:8px;padding:8px 16px;text-decoration:none;white-space:nowrap}.hero{padding:120px 24px 80px;text-align:center;max-width:800px;margin:0 auto}.hero-badge{display:inline-block;background:var(--secondary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:20px}.hero h1,.hero-badge{color:var(--accent);margin-bottom:24px}.hero h1{font-family:"Instrument Serif",Georgia,serif;font-size:clamp(40px,6vw,64px);font-weight:400;line-height:1.1}.hero h1 em{font-style:italic;color:var(--primary)}.hero p{font-size:18px;color:var(--text-muted);max-width:600px;margin:0 auto 32px;line-height:1.7}.hero-cta{display:inline-block;background:var(--primary);color:#fff;font-size:16px;font-weight:600;padding:14px 32px;border-radius:12px;text-decoration:none;transition:transform .2s,box-shadow .2s}.hero-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(4,92,69,.2)}.section{max-width:960px;margin:0 auto;padding:64px 24px}.section-header{text-align:center;margin-bottom:48px}.section-header h2{font-family:"Instrument Serif",Georgia,serif;font-size:clamp(28px,4vw,40px);font-weight:400;color:var(--accent);margin-bottom:12px}.section-header p{font-size:16px;color:var(--text-muted);max-width:600px;margin:0 auto}.what-is{background:var(--primary);color:#fff;border-radius:var(--radius);padding:48px 40px;margin:0 auto;max-width:960px;text-align:center}.what-is h2{font-family:"Instrument Serif",Georgia,serif;font-size:clamp(24px,3.5vw,36px);font-weight:400;margin-bottom:16px;color:var(--subtle)}.what-is p{font-size:17px;line-height:1.7;max-width:640px;margin:0 auto;opacity:.9}.persona-nav{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}.persona-nav a{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);background:var(--bg-panel);border-radius:10px;padding:10px 18px;text-decoration:none;transition:all .2s;border:2px solid transparent}.persona-nav a:hover{border-color:var(--primary)}.persona{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:32px;scroll-margin-top:72px}.persona-head{background:var(--primary);color:#fff;padding:32px 36px}.persona-num{font-size:13px;font-weight:600;background:rgba(255,255,255,.15);display:inline-block;padding:4px 12px;border-radius:6px;margin-bottom:12px}.persona-head h3{font-family:"Instrument Serif",Georgia,serif;font-size:28px;font-weight:400;margin-bottom:6px}.persona-head .tagline{font-size:14px;opacity:.8}.persona-body{padding:36px}.ba-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:24px;gap:24px;margin-bottom:32px}@media (max-width:640px){.ba-grid{grid-template-columns:1fr}}.ba-card{border-radius:12px;padding:24px}.ba-card.before{background:#FFF5F5;border:1px solid #fed7d7}.ba-card.after{background:var(--bg-panel);border:1px solid #c6f6d5}.ba-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}.ba-card.before .ba-label{color:#C53030}.ba-card.after .ba-label{color:var(--primary)}.ba-card ul{list-style:none}.ba-card li{font-size:14px;line-height:1.6;position:relative;padding:4px 0 4px 20px}.ba-card.before li:before{content:"✗";position:absolute;left:0;color:#E53E3E;font-weight:600}.ba-card.after li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:600}.scenarios{margin-bottom:32px}.scenarios h4{font-size:15px;font-weight:700;color:var(--primary);margin-bottom:16px}.scenario-list{display:flex;flex-direction:column;gap:12px}.scenario{background:var(--bg);border-radius:10px;padding:16px 20px;border:1px solid var(--border)}.scenario-title{font-size:14px;font-weight:600;margin-bottom:4px}.scenario-desc{font-size:13px;color:var(--text-muted);line-height:1.5}.demo-prompt{background:#1a1a1a;border-radius:12px;padding:24px;position:relative}.demo-prompt-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--secondary);margin-bottom:12px}.demo-prompt p{font-size:14px;color:#e5e5e5;line-height:1.7;font-family:SF Mono,Fira Code,monospace}.footer{text-align:center;padding:80px 24px}.footer h2{font-family:"Instrument Serif",Georgia,serif;font-size:clamp(24px,3.5vw,36px);color:var(--accent);margin-bottom:16px}.footer p{font-size:16px;color:var(--text-muted);margin-bottom:24px}.footer a.cta{display:inline-block;background:var(--primary);color:#fff;font-size:16px;font-weight:600;padding:14px 32px;border-radius:12px;text-decoration:none}