/* ===== NAVBAR STYLES ===== */
.top-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: linear-gradient(90deg, rgba(2, 6, 23, 0.85), rgba(2, 6, 23, 0.65));
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
}

.brand {
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--accent);
  text-decoration: none;
}

/* Nav links desktop */
.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav a:hover {
  color: var(--accent);
}

.nav button {
  background: none;
  border: none;
  color: var(--light);
  font-size: 1.1rem;
  cursor: pointer;
}

.btn.primary {
  padding: 0.4rem 0.8rem;
  background: var(--accent);
  border: none;
  color: white;
  border-radius: 4px;
  cursor: pointer;
}

.btn.primary:hover {
  opacity: 0.9;
}

/* ===== HAMBURGER TOGGLER ===== */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--light);
  border-radius: 3px;
  transition: all 0.4s ease;
}

/* ===== MOBILE MENU ===== */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 250px;
    flex-direction: column;
    align-items: flex-start;
    padding: 4rem 1rem;
    gap: 1rem;
    background: var(--dark);
    transition: right 0.4s ease;
  }

  .nav.open {
    right: 0;
    background: linear-gradient(90deg, rgba(2, 6, 23, 0.85), rgba(2, 6, 23, 0.65));
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  }

  .nav hr {
    width: 100%;
    border: 0.5px solid rgba(255,255,255,0.2);
  }

  .nav-toggle {
    display: flex;
  }

  /* Hamburger animation to "X" */
  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
}