/* Giang Metta Academy — Header & Mobile Menu Unified Styles */

.global-nav {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(251, 250, 246, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(156, 175, 136, 0.25);
  box-sizing: border-box;
}

.global-nav .nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
}

.global-nav .logo img {
  height: 44px;
  width: auto;
  display: block;
}

.global-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  list-style: none !important;
  list-style-type: none !important;
  margin: 0;
  padding: 0;
}

.global-nav .nav-links > li {
  position: relative;
  list-style: none !important;
  list-style-type: none !important;
}

.global-nav .nav-links a {
  text-decoration: none;
  color: #1a2e1d;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.global-nav .nav-links a:hover {
  color: #0a462c;
}

.global-nav .language-switch {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  padding: 0.3rem 0.8rem !important;
  border: 1.5px solid #0a462c !important;
  border-radius: 999px !important;
  color: #0a462c !important;
  font-size: 0.78rem !important;
  font-weight: 700 !important;
  text-decoration: none !important;
  transition: all 0.2s ease;
}

.global-nav .language-switch:hover {
  background: #0a462c !important;
  color: #ffffff !important;
}

.global-nav .dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fbfaf6;
  border: 1px solid rgba(156, 175, 136, 0.3);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  min-width: 250px;
  padding: 0.6rem 0;
  list-style: none !important;
  list-style-type: none !important;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
  pointer-events: none;
}

.global-nav .has-dropdown:hover .dropdown,
.global-nav .has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.global-nav .dropdown a {
  padding: 0.5rem 1.2rem;
  font-size: 0.84rem;
  display: block;
}

.global-nav .dropdown a:hover {
  background: rgba(156, 175, 136, 0.15);
  color: #0a462c;
}

/* Mobile Hamburger & Drawer */
.global-nav .hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
  z-index: 1002;
  background: transparent;
  border: none;
  padding: 0;
}

.global-nav .hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: #0a462c;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.global-nav .hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.global-nav .hamburger.active span:nth-child(2) {
  opacity: 0;
}

.global-nav .hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: #fbfaf6;
  z-index: 1001;
  padding: 75px 1.2rem 4rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-sizing: border-box;
}

.mobile-menu.active {
  opacity: 1 !important;
  visibility: visible !important;
  display: block !important;
}

.mobile-menu ul {
  list-style: none !important;
  list-style-type: none !important;
}

.mobile-menu a {
  text-decoration: none;
}

@media (max-width: 860px) {
  .global-nav .nav-links {
    display: none !important;
  }
  .global-nav .hamburger {
    display: flex !important;
  }
  .mobile-menu {
    display: block;
  }
}