:root{--bg:#fafafa;--surface:#ffffff;--fg:#0a0a0a;--fg-muted:#555c6b;--fg-subtle:#8a92a3;--accent:#4f46e5;--accent-hover:#4338ca;--accent-soft:#eef2ff;--border:#e5e7eb;--border-strong:#d1d5db;--radius:12px;--max-w:1080px;--shadow-md:0 12px 32px -16px rgba(15,23,42,0.18);--shadow-lg:0 30px 60px -30px rgba(15,23,42,0.25)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,Inter,sans-serif;background:var(--bg);color:var(--fg);line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit}img,svg{display:block;max-width:100%}h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.15}h1,h2,h3,h4,p{margin:0 0 16px}.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}.nav{position:-webkit-sticky;position:sticky;top:0;background:rgba(250,250,250,.82);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);z-index:50;padding:14px 0}.nav .container{display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:inline-flex;align-items:center;text-decoration:none}.logo img{height:40px;width:auto;display:block}.nav-links{display:flex;gap:28px;align-items:center}.nav-links a:not(.btn){font-size:14px;color:var(--fg-muted);text-decoration:none;font-weight:500}.nav-links a:not(.btn):hover{color:var(--fg)}@media (max-width:640px){.nav-links a:not(.btn){display:none}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;background:var(--fg);color:white;border-radius:var(--radius);text-decoration:none;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .08s ease,background .15s ease,box-shadow .15s ease}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--accent);box-shadow:0 6px 20px -8px 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24px}.hero-image img{width:100%;height:auto;display:block;border-radius:14px;border:1px solid var(--border);box-shadow:var(--shadow-lg)}.waitlist-wrap{max-width:460px;margin:0 auto}.waitlist-form{margin-top:8px}.waitlist-row{display:flex;gap:8px;align-items:stretch}.waitlist-row input[type=email]{flex:1 1;min-width:0;padding:14px 16px;font-size:16px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);color:var(--fg);font-family:inherit;transition:border-color .15s ease,box-shadow .15s ease}.waitlist-row input[type=email]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.waitlist-row input[type=email]:disabled{background:var(--bg);color:var(--fg-subtle);cursor:not-allowed}.waitlist-row .btn{flex-shrink:0}.waitlist-msg{margin:12px 0 0;font-size:14px;text-align:center}.waitlist-msg.success{color:#047857}.waitlist-msg.error{color:#b91c1c}@media (max-width:520px){.waitlist-row{flex-direction:column}}section{padding:80px 0}section h2{font-size:clamp(28px,3.5vw,40px);text-align:center;margin-bottom:12px;font-weight:700}section .section-lede{text-align:center;font-size:17px;color:var(--fg-muted);max-width:580px;margin:0 auto 56px}.problem{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px}.problem-card{padding:28px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg)}.problem-card .stat{font-size:28px;font-weight:700;color:var(--accent);margin-bottom:4px}.problem-card p{margin:0;color:var(--fg-muted);font-size:15px}@media (max-width:720px){.problem-grid{grid-template-columns:1fr}}.features-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:20px;gap:20px}.feature{padding:28px;border:1px solid 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0;color:var(--fg-subtle);font-size:14px}footer .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}footer a{color:var(--fg-muted);text-decoration:none;margin-left:20px}footer a:hover{color:var(--fg)}