/* ── Helix RPC brand colours pulled from the logo ── */
:root {
  --md-primary-fg-color:        #1A5FAB;   /* deep cobalt blue  */
  --md-primary-fg-color--light: #2C7FD5;
  --md-primary-fg-color--dark:  #0F3A6E;
  --md-accent-fg-color:         #1AABB8;   /* teal               */
}

/* Header strip */
.md-header {
  background: linear-gradient(135deg, #0F3A6E 0%, #1A5FAB 50%, #1AABB8 100%);
}

/* Hero logo sizing in nav */
.md-header__button.md-logo img {
  height: 2rem;
  filter: drop-shadow(0 1px 4px rgba(0,0,0,0.25));
}

/* Slightly larger logo on home */
.md-typeset img[src*="logo.png"] {
  border-radius: 8px;
}