/* Navbar Styling */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent;
  transition: var(--transition);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header.scrolled {
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: var(--transition);
}

.header.scrolled .nav-container {
  height: 70px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--bg-white);
}

.header.scrolled .logo {
  color: var(--text-dark);
}

.logo img {
  height: 45px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.logo-text {
  line-height: 1.1;
}

.logo-text span {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.8;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
}

.header.scrolled .nav-link {
  color: var(--text-dark);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: var(--transition);
}

.header.scrolled .nav-link::after {
  background-color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
  color: var(--primary);
}

/* Hamburger Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--bg-white);
  border-radius: 3px;
  transition: var(--transition);
}

.header.scrolled .nav-toggle span {
  background-color: var(--text-dark);
}

/* Hamburger active animation */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Admin Button */
.admin-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  font-weight: 500;
  margin-left: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.header.scrolled .admin-btn {
  color: var(--text-dark);
}

.admin-btn i {
  font-size: 1.1rem;
}

.admin-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--accent);
  transform: translateX(3px);
}

.header.scrolled .admin-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--primary);
}

/* Mobile Navigation Dropdown */
@media (max-width: 991px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--bg-white);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 100px 2.5rem 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    gap: 1.5rem;
    z-index: 999;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-link {
    color: var(--text-dark) !important;
    font-size: 1.1rem;
    width: 100%;
  }

  .nav-link::after {
    background-color: var(--primary) !important;
  }

  /* Overlay behind mobile nav */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav-overlay.open {
    opacity: 1;
    visibility: visible;
  }

  .admin-btn {
    margin-left: 0.5rem;
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
  }
}