:root {
  --zk-bg: #0b1020;
  --zk-accent: #2dd4bf;
  --zk-accent2: #6366f1;
}
body { background: #f7f9fc; color: #1f2937; }
.navbar-brand { letter-spacing: .5px; }
.hero {
  background: radial-gradient(1200px 400px at 20% -10%, #1e293b 0%, #0b1020 60%);
  color: #e5e7eb; border-radius: 0 0 24px 24px;
}
.hero h1 { font-weight: 800; }
.hero .lead { color: #cbd5e1; }
.btn-zk {
  background: linear-gradient(135deg, var(--zk-accent), var(--zk-accent2));
  border: 0; color: #06121a; font-weight: 600;
}
.btn-zk:hover { filter: brightness(1.07); color: #06121a; }
.card-product { border: 0; border-radius: 16px; box-shadow: 0 6px 24px rgba(15,23,42,.08); }
.card-product.highlight { outline: 2px solid var(--zk-accent); }
.feature-icon { font-size: 1.6rem; }
.price-big { font-size: 2.2rem; font-weight: 800; }
.table th { white-space: nowrap; }
.code-box { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background:#0b1020; color:#a7f3d0; padding:.6rem .8rem; border-radius:8px; word-break:break-all; }
.badge-status { font-size:.8rem; }