/* NFcrypto — Black & White responsive styles */
:root{
  --bg:#0b0b0b;
  --panel:#0f0f0f;
  --muted:#bdbdbd;
  --accent:#ffffff;
  --maxw:1100px;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--muted);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.6;
}
.container{max-width:var(--maxw);margin:0 auto;padding:2rem}
.site-header{border-bottom:1px solid rgba(255,255,255,0.04);position:sticky;top:0;background:linear-gradient(180deg, rgba(0,0,0,0.8), rgba(0,0,0,0.6));backdrop-filter: blur(4px);z-index:50}
.header-row{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
.brand{display:flex;align-items:center;gap:11.8rem}
.brand h1{font-size:1.1rem;color:var(--accent);margin:0;font-weight:800;letter-spacing:0.6px}
.logo{width:80px;height:80px}
.nav a{color:var(--muted);text-decoration:none;margin-left:1rem;font-weight:500}
.nav .cta{padding:.5rem .75rem;border-radius:8px;background:var(--accent);color:#000;margin-left:1rem;text-decoration:none;font-weight:700}
.nav .outline{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--accent);padding:.4rem .7rem}
.hero{padding:3rem 0}
.hero-grid{display:grid;grid-template-columns:1fr 360px;gap:2rem;align-items:center}
.hero-text h2{color:var(--accent);font-size:2rem;margin:0 0 .5rem}
.lead{color:#d3d3d3;font-size:1.05rem}
.hero-actions{margin-top:1.2rem;display:flex;gap:1rem}
.btn{display:inline-block;padding:.8rem 1.2rem;border-radius:10px;background:var(--accent);color:#000;text-decoration:none;font-weight:700}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.08);color:var(--accent)}
.card-preview{background:linear-gradient(180deg,#535353,#ececec);padding:2rem;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:1rem}
.card-preview img{width:340px}
.card-title{color:var(--muted);text-align:center;margin:0}
.about h3, .features h4, .buy h3{color:var(--accent)}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:1.2rem}
.features .col{background:rgba(255,255,255,0.02);padding:1rem;border-radius:8px}
footer.site-footer{border-top:1px solid rgba(255,255,255,0.04);padding:2rem 0;margin-top:3rem;color:var(--muted)}
.small{color:#9e9e9e;font-size:.9rem;margin:0}
.flash{position:fixed;right:1rem;bottom:1rem;background:#fff;color:#000;padding:.8rem 1rem;border-radius:8px;box-shadow:0 4px 24px rgba(0,0,0,0.6)}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr; text-align:center}
  .nav{display:none}
  .container{padding:1rem}
  .features{grid-template-columns:1fr}
}



/* Logo link on all pages - ensure clickable and positioned */
.brand a img{height:42px; display:inline-block;}

/* Checkout logo top-left */
.checkout-logo{position:fixed; top:12px; left:12px; z-index:200}
@media(max-width:720px){
  .container{padding:1rem}
  .brand a img{height:36px}
  .checkout-logo{top:8px; left:8px}
}

/* Simple responsive form fields */
form label{display:block;margin-bottom:0.75rem}
form input, form select, form textarea{width:100%;padding:0.6rem;margin-top:0.25rem;border-radius:6px;border:1px solid rgba(255,255,255,0.06);background:transparent;color:inherit}

/* Admin table */
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:0.5rem;border-bottom:1px solid rgba(255,255,255,0.04);text-align:left}