.header-wide {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: clamp(48px, 6vw, 64px); /* fluid height */
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 clamp(8px, 3vw, 24px); /* responsive padding */
  box-sizing: border-box;

  /* Glassmorphism gradient */
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.15),
    rgba(255, 255, 255, 0.5)
  );
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);

  z-index: 1000;
  overflow-x: hidden;
}

.header-wide img {
  height: clamp(24px, 5vw, 38px); /* scales with width */
  flex-shrink: 0;
}

.header-wide .navbar {
  display: flex;
  gap: clamp(6px, 2vw, 20px); /* responsive gaps */
  flex-wrap: nowrap;
  overflow-x: auto;
}

.header-wide .navbar a {
  font-size: clamp(0.7rem, 1.6vw, 0.95rem); /* fluid font size */
  color: rgba(10, 10, 40, 0.9);
  font-family: "Segoe UI", Roboto, sans-serif;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.4px;
  white-space: nowrap;
  transition: color 0.3s ease, transform 0.2s ease;
}

.header-wide .navbar a:hover {
  color: rgb(0, 102, 255);
  transform: translateY(-1px);
}