/* --- Shared Top Navigation --- */
.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(15, 22, 33, 0.95);
  padding: 10px 20px;
  border-bottom: 1px solid #223042;
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-badge {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #7dd3fc, #a78bfa);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #001018;
  box-shadow: 0 4px 18px rgba(125, 211, 252, 0.25);
}

.brand {
  font-size: 1.1rem;
  font-weight: 600;
  color: #eaf0f6;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #c7d1db;
  text-decoration: none;
  font-size: 0.95rem;
  position: relative;
  padding: 6px 0;
  transition: color 0.25s ease;
}

/* Fancy hover underline */
.nav-links a::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  left: 0;
  bottom: 0;
  background: linear-gradient(90deg, #7dd3fc, #a78bfa);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: #ffffff;
}

.nav-links a:hover::after {
  width: 100%;
}

@media (max-width: 768px) {
  .nav-links {
    flex-direction: column;
    gap: 12px;
    background: #0f1621;
    position: absolute;
    top: 60px;
    right: 20px;
    padding: 12px;
    border: 1px solid #223042;
    border-radius: 8px;
    display: none;
  }

  .topnav.active .nav-links {
    display: flex;
  }
}