:root{--bg:#f7f8fc;--text:#111827;--muted:#697181;--purple:#635bff;--dark:#11151d;--border:#e5e7ed}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,Arial,sans-serif}a{color:inherit;text-decoration:none}.nav{justify-content:space-between;align-items:center;max-width:1100px;margin:auto;padding:22px;display:flex}.logo{font-size:22px;font-weight:800}.logo b{color:var(--purple)}.btn{cursor:pointer;border:0;border-radius:12px;justify-content:center;align-items:center;padding:13px 18px;font-weight:700;display:inline-flex}.dark{background:var(--dark);color:#fff}.purple{background:var(--purple);color:#fff}.hero{grid-template-columns:1fr 1fr;align-items:center;gap:55px;max-width:1100px;margin:auto;padding:75px 22px;display:grid}.eyebrow{color:var(--purple);text-transform:uppercase;letter-spacing:1.5px;font-size:12px;font-weight:800}h1{letter-spacing:-4px;margin:15px 0;font-size:68px;line-height:.98}.accent{color:var(--purple)}.lead{color:var(--muted);font-size:19px;line-height:1.6}.actions{gap:12px;margin-top:28px;display:flex}.panel{background:var(--dark);color:#fff;border-radius:26px;padding:22px}.upload{text-align:center;color:#bbc1cc;border:1px dashed #596171;border-radius:18px;padding:45px 20px}.result{color:#111;background:#fff;border-radius:16px;margin-top:14px;padding:18px}.check{padding:6px 0;font-size:14px}.section{max-width:1100px;margin:auto;padding:75px 22px}.center{text-align:center}.grid{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px;display:grid}.card,.price{border:1px solid var(--border);background:#fff;border-radius:20px;padding:25px}.card p,.price li{color:var(--muted);line-height:1.55}.price ul{padding:0;list-style:none}.amount{font-size:40px;font-weight:800}.cta{background:var(--dark);color:#fff;border-radius:25px;justify-content:space-between;align-items:center;padding:45px;display:flex}.auth{place-items:center;min-height:100vh;padding:24px;display:grid}.authCard{border:1px solid var(--border);background:#fff;border-radius:22px;width:100%;max-width:430px;padding:30px}.input{width:100%;font:inherit;border:1px solid #d9dce5;border-radius:12px;margin:7px 0 14px;padding:13px 14px}.form{display:grid}.error{color:#a22;background:#fff0f0;border-radius:10px;margin:10px 0;padding:10px}.success{color:#17663a;background:#effdf5;border-radius:10px;margin:10px 0;padding:10px}.dash{max-width:1100px;margin:auto;padding:40px 22px}.dashGrid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.muted{color:var(--muted)}@media (max-width:750px){.hero{grid-template-columns:1fr}h1{font-size:52px}.grid,.dashGrid{grid-template-columns:1fr}.cta{display:block}.navlinks{display:none}}.uploadBox{background:#fafbff;border:1px dashed #cfd3df;border-radius:16px;margin-top:22px;padding:22px}.uploadTitle{font-size:18px;font-weight:800}.uploadHint{margin:6px 0 16px;font-size:14px}.filePicker{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:12px;justify-content:center;align-items:center;padding:12px 16px;font-weight:700;display:inline-flex}.filePicker input{display:none}.selectedFile{overflow-wrap:anywhere;margin-top:12px;font-size:14px}.uploadButton{margin-top:16px}.uploadButton:disabled{opacity:.5;cursor:not-allowed}.uploadMessage{margin-top:14px}