.site-header {
  position: relative;
  width: 100%;
  z-index: 2000;
  color: white;

  background:
    radial-gradient(
      circle at 20% 30%,
      rgba(255,215,0,0.15),
      transparent 60%
    ),
    linear-gradient(
      180deg,
      #0a1a2f,
      #070b14
    );

  border-bottom: 1px solid rgba(255,215,0,0.25);

  box-shadow:
    0 6px 20px rgba(0,0,0,0.45),
    0 0 18px rgba(255,215,0,0.08);
}
.site-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;

  background: linear-gradient(
    90deg,
    transparent,
    rgba(255,215,0,0.8),
    transparent
  );
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;

  background-image: radial-gradient(
    rgba(255,255,255,0.4) 1px,
    transparent 1px
  );

  background-size: 40px 40px;
  opacity: 0.05;

  pointer-events: none;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;

  padding: 1.75rem 1.25rem;

  display: flex;
  align-items: center;
  justify-content: space-between;

  position: relative;
  z-index: 2;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand img {
  height: 60px;
  border-radius: 10px;
}

.brand-text {
  font-size: 1.5rem;
  font-weight: 600;
}

/* Navigation (desktop) */
.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.nav-links {
  position: absolute;
  z-index: 1100;
}

.nav a {
  color: white;
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover {
  text-decoration: underline;
}

/* Hamburger hidden on desktop */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.8rem;
  cursor: pointer;
}

/* Utility */
.hidden {
  display: none;
}
@media (max-width: 768px) {

  .nav-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 64px;
    right: 0;
    background: #64918b;
    width: 50%;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
    display: none;
    border-radius: 12px;
    z-index: 3000;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.75rem 0;
    font-size: 1.1rem;
  }
}