header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: #fff; /* white background */
  border-bottom: 1px solid #eee;
}

header.site .brand {
  color: #111;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
}

header.site img.logo {
  height: 48px;
  width: auto;
}

header.site nav a {
  color: #333;
  text-decoration: none;
  margin-left: 1rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

header.site nav a:hover {
  color: #c62828; /* your brand red */
}

header.site .btn {
  background: #c62828;
  color: #fff;
  border: 1px solid #c62828;
  border-radius: 6px;
  padding: 0.6rem 1rem;
  text-decoration: none;
  font-weight: 600;
  margin-left: 1rem;
  transition: all 0.2s ease;
}

header.site .btn:hover {
  background: #b71c1c;
}

header.site .btn-outline {
  background: #fff;
  color: #c62828;
  border: 1px solid #c62828;
}

header.site .btn-outline:hover {
  background: #ffe8e8;
}