/* 451 Studios shared static brand layer — source preview safe */
:root {
  --451-bg: #070d15;
  --451-surface: #0e1723;
  --451-surface-2: #162233;
  --451-border: #253349;
  --451-text: #e8f0ff;
  --451-muted: #8fa6c7;
  --451-accent: #ccff00;
  --451-red: #d92525;
}
.brand-nav {
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(7,13,21,.92);
  backdrop-filter: blur(14px);
}
.brand-nav .brand,
.brand-nav .brand-name {
  color: var(--451-text);
}
.brand-nav .mark {
  background: var(--451-accent);
  color: #070d15;
}
.brand-nav a:hover {
  color: var(--451-accent);
}
.btn.primary,
button.primary,
.primary-btn {
  background: var(--451-accent);
  color: #070d15;
  border-color: var(--451-accent);
}
.preview-note,
.source-preview-note {
  border: 1px solid rgba(204,255,0,.25);
  background: rgba(204,255,0,.06);
  color: var(--451-muted);
}