:root{--ink:#0f1420;--panel:#171d2c;--panel-2:#1e2637;--line:#2a3346;--text-hi:#0a0f1c;--text-mid:#3f4c62;--text-lo:#6b7789;--accent:#5b8cff;--violet:#7355ff;--aqua:#22a99e;--ok:#22a06b;--danger:#d13c56;--pill:#eef2fa}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Inter,Segoe UI,Helvetica Neue,sans-serif;color:var(--text-hi);background:#fff;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.site-header{display:flex;align-items:center;justify-content:space-between;padding:18px 32px;border-bottom:1px solid var(--line);background:var(--ink);color:#eaf0ff;position:-webkit-sticky;position:sticky;top:0;z-index:10}.site-header .brand{font-weight:800;font-size:20px;background:linear-gradient(90deg,#22a99e,#5b8cff 50%,#7355ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.site-header nav{display:flex;align-items:center;gap:20px}.site-header nav a{color:#cfd8ee}.site-header nav a:hover{color:#fff}.site-footer{display:flex;justify-content:space-between;padding:26px 32px;border-top:1px solid #dbe1ee;font-size:13px}.site-footer,.site-footer a{color:var(--text-lo)}.btn{display:inline-block;padding:10px 18px;border-radius:8px;border:1px solid transparent;font-weight:600;font-size:15px;cursor:pointer;transition:transform .08s ease,box-shadow .08s ease}.btn,.btn:hover{text-decoration:none}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(90deg,#5b8cff,#7355ff);color:#fff!important;box-shadow:0 3px 10px rgba(91,140,255,.25)}.btn-outline{background:transparent;color:#eaf0ff!important;border:1px solid #6b7789}.btn-ghost{background:var(--pill);color:var(--text-hi)!important}.btn:disabled{opacity:.55;cursor:not-allowed}.container{max-width:1080px}.container,.container-narrow{margin:0 auto;padding:40px 24px}.container-narrow{max-width:480px}.hero{background:linear-gradient(135deg,#1e2637,#0f1420 60%,#171d2c);color:#eaf0ff;padding:80px 24px 100px;text-align:center}.hero h1{font-size:46px;font-weight:800;letter-spacing:-1px;margin:0 0 12px}.hero .accent{background:linear-gradient(90deg,#22a99e,#5b8cff 50%,#7355ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:18px;max-width:640px;margin:0 auto 28px;color:#cfd8ee}.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:22px;gap:22px;margin-top:32px}.feature{padding:22px;border:1px solid #e4e9f2;border-radius:10px;background:#fff}.feature h3{margin:0 0 6px;font-size:17px}.feature p{margin:0;color:var(--text-mid);font-size:14px}.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:22px;gap:22px;margin-top:32px}.plan{padding:28px;border-radius:12px;border:1px solid #e4e9f2;background:#fff}.plan.premium{border-color:var(--accent);box-shadow:0 10px 30px rgba(91,140,255,.15)}.plan h3{margin:0 0 4px;font-size:22px}.plan .price{font-size:32px;font-weight:800;margin:4px 0 12px}.plan .price small{font-size:14px;color:var(--text-lo);font-weight:500}.plan ul{margin:12px 0 20px;padding-left:18px}.plan li{margin:4px 0;color:var(--text-mid)}.plan .cta{margin-top:8px}.card{background:#fff;border:1px solid #e4e9f2;border-radius:12px;padding:32px;box-shadow:0 6px 24px rgba(15,20,32,.05)}.card h1{margin-top:0;font-size:24px}.card p{color:var(--text-mid)}.field{display:block;margin:14px 0}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-mid)}.field input,.field textarea{width:100%;padding:12px;border:1px solid #dbe1ee;border-radius:8px;font-size:15px;font-family:inherit;background:#fff;color:var(--text-hi)}.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(91,140,255,.15)}.field-error{color:var(--danger);font-size:13px;margin-top:4px}.form-actions{display:flex;gap:10px;margin-top:20px;align-items:center}.checkbox{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:var(--text-mid)}.error-banner{background:#fdecef;border:1px solid #f5b5be;color:#7d1424;border-radius:8px}.error-banner,.success-banner{padding:10px 14px;font-size:14px;margin:12px 0}.success-banner{background:#e3f5ec;border:1px solid #a4dcbc;color:#114b2e;border-radius:8px}.muted{color:var(--text-lo);font-size:13px}