* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #0a0a0f; color: #e0e0e0; min-height: 100vh; }

/* Nav */
nav { position: fixed; top: 0; width: 100%; z-index: 100; display: flex; justify-content: space-between; align-items: center; padding: 1rem 3rem; background: rgba(10,10,15,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,0.05); }
nav .brand { display: flex; align-items: center; gap: 0.6rem; font-size: 1.3rem; font-weight: 800; text-decoration: none; color: #fff; }
nav .brand img { width: 32px; height: 32px; display: block; }
nav .brand span { background: linear-gradient(135deg, #00d4ff, #7b2ff7); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
nav .links { display: flex; gap: 2rem; align-items: center; }
nav .links a { color: #888; text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
nav .links a:hover { color: #fff; }
nav .links .btn-nav { padding: 0.5rem 1.2rem; background: linear-gradient(135deg, #00d4ff, #7b2ff7); color: white; border-radius: 6px; font-weight: 600; font-size: 0.85rem; }
nav .links .btn-nav:hover { opacity: 0.9; }

/* Page container */
.page { padding: 6rem 2rem 3rem; max-width: 500px; margin: 0 auto; }
.page-wide { padding: 6rem 2rem 3rem; max-width: 900px; margin: 0 auto; }
.page h1 { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; background: linear-gradient(135deg, #00d4ff, #7b2ff7); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.page-wide h1 { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; background: linear-gradient(135deg, #00d4ff, #7b2ff7); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.page p.sub { color: #777; margin-bottom: 2rem; }
.page-wide p.sub { color: #777; margin-bottom: 2rem; }

/* Forms */
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; color: #aaa; font-size: 0.85rem; margin-bottom: 0.4rem; }
.form-group input { width: 100%; padding: 0.8rem 1rem; border-radius: 8px; border: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.05); color: #e0e0e0; font-size: 1rem; outline: none; transition: border-color 0.2s; }
.form-group input:focus { border-color: #00d4ff; }

/* Buttons */
.btn { display: inline-block; padding: 0.9rem 2rem; background: linear-gradient(135deg, #00d4ff, #7b2ff7); color: white; border: none; border-radius: 8px; font-weight: 600; font-size: 1rem; cursor: pointer; text-decoration: none; text-align: center; transition: transform 0.2s, box-shadow 0.2s; width: 100%; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 25px rgba(0,212,255,0.3); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-secondary { background: transparent; border: 1px solid rgba(255,255,255,0.2); color: #ccc; }
.btn-secondary:hover { border-color: #00d4ff; color: #00d4ff; box-shadow: none; }
.btn-sm { padding: 0.6rem 1.5rem; font-size: 0.9rem; width: auto; }

/* Cards */
.card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 1.8rem; margin-bottom: 1.5rem; }
.card h2 { color: #fff; font-size: 1.2rem; margin-bottom: 0.8rem; }
.card h3 { color: #00d4ff; font-size: 1rem; margin-bottom: 0.5rem; }

/* Alert/message */
.alert { padding: 0.8rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.9rem; }
.alert-error { background: rgba(255,68,68,0.1); border: 1px solid rgba(255,68,68,0.2); color: #ff4444; }
.alert-success { background: rgba(68,255,68,0.1); border: 1px solid rgba(68,255,68,0.2); color: #44ff44; }
.alert-info { background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.2); color: #00d4ff; }

/* License key display */
.license-box { background: rgba(0,0,0,0.3); border: 1px solid rgba(0,212,255,0.2); border-radius: 8px; padding: 1rem; font-family: monospace; font-size: 1.1rem; color: #00d4ff; text-align: center; letter-spacing: 2px; cursor: pointer; transition: background 0.2s; }
.license-box:hover { background: rgba(0,212,255,0.05); }

/* Download buttons */
.download-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.download-item { text-align: center; padding: 1.2rem; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; cursor: pointer; transition: border-color 0.2s; }
.download-item:hover { border-color: #00d4ff; }
.download-item .name { color: #fff; font-weight: 600; margin-bottom: 0.3rem; }
.download-item .desc { color: #666; font-size: 0.8rem; }

/* Pricing */
.price-tag { font-size: 3rem; font-weight: 800; color: #00d4ff; }
.price-tag .old { font-size: 1.5rem; color: #666; text-decoration: line-through; margin-right: 0.5rem; }

/* Footer */
.footer { text-align: center; padding: 2rem; color: #444; font-size: 0.8rem; margin-top: 3rem; border-top: 1px solid rgba(255,255,255,0.05); }
.footer a { color: #00d4ff; text-decoration: none; }

/* Links */
a.link { color: #00d4ff; text-decoration: none; }
a.link:hover { text-decoration: underline; }

/* Hidden */
.hidden { display: none; }

@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  nav .links { gap: 1rem; }
  .page { padding: 5rem 1.5rem 2rem; }
  .page-wide { padding: 5rem 1.5rem 2rem; }
}