:root{--blue:#3b82f6;--purple:#8b5cf6;--cyan:#22d3ee;--ink:#0f172a;--muted:#64748b;--bg:#fff;--card:#f8fafc;--border:#e2e8f0;--radius:16px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{max-width:1040px;margin:0 auto;padding:0 24px}.nav{justify-content:space-between;padding:22px 0}.brand,.nav{display:flex;align-items:center}.brand{gap:10px;font-weight:700;font-size:18px}.brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--purple))}.brand .logo,.btn{display:inline-block}.btn{padding:12px 22px;border-radius:12px;font-weight:600;border:1px solid var(--border);background:#fff;cursor:pointer;font-size:15px}.btn-primary{color:#fff;border:none;background:linear-gradient(135deg,var(--blue),var(--purple))}.btn-primary:hover{opacity:.92}.hero{text-align:center;padding:60px 0 40px}.hero h1{font-size:52px;line-height:1.08;margin:0 0 18px;letter-spacing:-.02em}.hero .grad{background:linear-gradient(135deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:20px;color:var(--muted);max-width:640px;margin:0 auto 28px}.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.hero .note{margin-top:14px;color:var(--muted);font-size:14px}.visual{margin:48px auto 0;max-width:720px;aspect-ratio:16/10;border-radius:24px;background:linear-gradient(135deg,#eef2ff,#faf5ff);border:1px solid var(--border);display:grid;place-items:center}.visual .grid-demo{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);grid-gap:10px;gap:10px;width:62%;height:62%}.visual .grid-demo span{border:2px solid #c7d2fe;border-radius:10px}.visual .grid-demo span.on{background:linear-gradient(135deg,var(--cyan),var(--blue));border-color:transparent}section{padding:64px 0}h2{font-size:34px;margin:0 0 8px;letter-spacing:-.01em}.sub,h2{text-align:center}.sub{color:var(--muted);margin:0 auto 40px;max-width:560px}.features{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.feature{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.feature h3{margin:0 0 8px;font-size:18px}.feature p{margin:0;color:var(--muted);font-size:15px}.feature .ic{width:40px;height:40px;border-radius:10px;margin-bottom:14px;background:linear-gradient(135deg,var(--blue),var(--purple));opacity:.9}.pricing{display:grid;place-items:center}.price-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:36px;max-width:420px;width:100%;text-align:center}.price{font-size:46px;font-weight:800;margin:8px 0}.price small{font-size:16px;font-weight:500;color:var(--muted)}.checklist{list-style:none;padding:0;margin:20px 0 26px;text-align:left}.checklist li{padding:6px 0 6px 28px;position:relative;color:#334155}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}.form{max-width:480px;margin:0 auto;display:grid;grid-gap:12px;gap:12px}.form input,.form textarea{padding:13px 14px;border:1px solid var(--border);border-radius:12px;font-size:15px;font-family:inherit}.form .row{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.form .msg{text-align:center;font-size:14px;min-height:20px}.form .msg.ok{color:#059669}.form .msg.err{color:#dc2626}footer{border-top:1px solid var(--border);padding:30px 0;color:var(--muted);font-size:14px;text-align:center}@media (max-width:760px){.hero h1{font-size:38px}.features,.form .row{grid-template-columns:1fr}}