:root{
  --brand-red: #e53935;   /* rojo del logo aproximado */
  --brand-dark: #1a1a1a;  /* negro carbón */
  --brand-bg: #0b1320;    /* fondo oscuro usado en la landing */
  --brand-card: #0f1a2b;
  --brand-muted: #9fb0c8;
  --brand-line: #1e2a40;
}
body{ background: var(--brand-bg); color: #e8edf3; }
a{ color: #ffb3b3; }
.btn-brand{ background: var(--brand-red); border-color: var(--brand-red); color: #fff; }
.btn-brand:hover{ filter: brightness(1.05); }
.btn-outline-brand{ border-color: var(--brand-red); color: #fff; }
.btn-outline-brand:hover{ background: var(--brand-red); }
.card{ background: var(--brand-card); border:1px solid var(--brand-line); border-radius:20px; }
.navbar{ background: rgba(15,26,43,.8)!important; backdrop-filter: saturate(160%) blur(8px); }