/* ============================================================
   Metadise Academy – Header/Navbar Styles
   ============================================================ */

.navbar {
	position: sticky;
	top: 0;
	z-index: 1000;
	width: 100%;
	background: transparent;
	box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.navbar__glass {
	width: 100%;
	/* glassmorphism: semi-transparent white with a subtle blue tint */
	background: linear-gradient(
		180deg,
		rgba(255,255,255,0.72) 0%,
		rgba(250,250,255,0.60) 60%
	);
	border: 1px solid rgba(16,24,40,0.06);
	backdrop-filter: blur(12px) saturate(140%);
	-webkit-backdrop-filter: blur(12px) saturate(140%);
	will-change: backdrop-filter;
}

.navbar__container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0.75rem 1.25rem;
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	gap: 1rem;
	align-items: center;
	position: relative;
}

.navbar__brand {
	justify-self: start;
	color: var(--header-primary);
	text-decoration: none;
	font-size: 1.25rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	display: flex;
	align-items: center;
}

.navbar__logo {
	width: 3rem;
	height: 3rem;
	margin-right: 0.5rem;
}

.navbar__menu {
	justify-self: center;
	display: flex;
	align-items: center;
	gap: 2rem;
}

.navbar__link {
	display: inline-flex;
	align-items: center;
	height: 100%;
	line-height: 1;
	padding: 0.25rem 0;
	color: var(--header-text);
	text-decoration: none;
	font-size: 0.98rem;
	font-weight: 500;
	transition: color 0.2s ease;
	
}

.navbar__link:hover {
	color: var(--header-primary);
	text-decoration: none;
}

.navbar__toggle {
	display: none;
	border: 0;
	background: transparent;
	padding: 0;
	cursor: pointer;
	width: 2.25rem;
	height: 2.25rem;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	gap: 0.3rem;
}

.navbar__toggle span {
	display: block;
	width: 1.5rem;
	height: 2px;
	border-radius: 999px;
	background: var(--header-text);
	transition: transform 0.2s ease, opacity 0.2s ease;
}

.navbar__toggle.is-open span:nth-child(1) {
	transform: translateY(5px) rotate(45deg);
}

.navbar__toggle.is-open span:nth-child(2) {
	opacity: 0;
}

.navbar__toggle.is-open span:nth-child(3) {
	transform: translateY(-5px) rotate(-45deg);
}

.navbar__actions {
	justify-self: end;
	display: flex;
	align-items: center;
}

.view-courses-button {
	padding-left: 1.25rem;
	padding-right: 1.25rem;
	padding-top: 0.5rem;
	padding-bottom: 0.5rem;
	font-size: 1rem;
	font-weight: 500;
	border-radius: 9999px;
	transition: all 0.3s ease;
    
	background-color: var(--header-cta);
	border: 1px solid transparent;
	color: var(--header-cta-text);
	text-decoration: none;
	display: inline-block;
	box-shadow: 0 10px 20px rgba(37, 99, 235, 0.18);
}

.view-courses-button:hover {
	text-decoration: none;
	background-color: var(--header-primary);
	border-color: rgba(0,0,0,0.06);
	box-shadow: 0 6px 20px rgba(10, 79, 216, 0.12);
}

.navbar__popover-link {
	display: inline-flex;
	align-items: center;
	height: 100%;
	line-height: 1;
	appearance: none;
	background: transparent;
	border: 0;
	cursor: pointer;
	color: var(--header-text);
	text-decoration: none;
	font-size: 0.98rem;
	font-weight: 500;
	transition: color 0.2s ease;
	outline: none;
	white-space: nowrap;
	padding: 0.25rem 0;
}

.navbar__popover-link:hover,
.navbar__popover-link.is-open {
	color: var(--header-primary);
	transform: none;
	box-shadow: none;
	border: 0;
}

.navbar__dropdown[open] > .navbar__popover-link {
	color: var(--header-primary);
}

.navbar__dropdown {
	position: relative;
	display: inline-flex;
	align-items: center;
}

.navbar__dropdown > summary {
	list-style: none;
}

.navbar__dropdown > summary::-webkit-details-marker {
	display: none;
}


.navbar__dropdown-menu {
	display: grid;
	position: absolute;
	top: calc(100% + 0.5rem);
	left: 0;
	min-width: 13rem;
	padding: 0.5rem 0;
	background: rgba(255, 255, 255, 0.98);
	border: 1px solid rgba(16, 24, 40, 0.08);
	border-radius: 0.9rem;
	box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
	z-index: 20;
	backdrop-filter: blur(12px) saturate(140%);
	-webkit-backdrop-filter: blur(12px) saturate(140%);
	opacity: 0;
    transform: translateY(0.6rem);
    visibility: hidden;
    pointer-events: none;
    transition: 
        opacity 0.28s ease, 
        transform 0.28s ease, 
        visibility 0.28s;
}

/* Create an invisible bridge so the mouse never 'leaves' the dropdown area */
.navbar__dropdown-menu::before {
    content: "";
    position: absolute;
    top: -1rem; /* Extends upward to cover the gap to the parent link */
    left: 0;
    right: 0;
    height: 1rem;
    background: transparent;
}

@keyframes navbarDropdownFadeIn {
	0% {
		opacity: 0;
		transform: translateY(0.6rem);
	}

	100% {
		opacity: 1;
		transform: translateY(0);
	}
}

.navbar__dropdown-menu.is-visible {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
}

/*.navbar__dropdown[open] .navbar__dropdown-menu,
.navbar__dropdown:hover .navbar__dropdown-menu,
.navbar__dropdown:focus-within .navbar__dropdown-menu {
	opacity: 1;
	transform: translateY(0);
	visibility: visible;
	pointer-events: auto;
	animation: none;
}
	*/

.navbar__dropdown-menu:hover {
	opacity: 1;
	transform: translateY(0);
	visibility: visible;
	pointer-events: auto;
}

.navbar__dropdown:hover > .navbar__popover-link,
.navbar__dropdown:focus-within > .navbar__popover-link {
	color: var(--header-primary);
}

.navbar__dropdown-link {
	display: block;
	padding: 0.8rem 1rem;
	color: var(--header-text);
	text-decoration: none;
	font-size: 0.96rem;
	font-weight: 500;
	white-space: nowrap;
	transition: color 0.2s ease, background-color 0.2s ease;
}

.navbar__dropdown-link:hover {
	color: var(--header-primary);
	background: rgba(25, 119, 255, 0.06);
	text-decoration: none;
}

/* Mobile Responsive - 768px and below */
@media (max-width: 768px) {
  .navbar__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .navbar__brand {
    justify-self: auto;
    margin-right: auto;
  }

  .navbar__toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .navbar__menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.85));
    backdrop-filter: blur(10px) saturate(120%);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    border-bottom: 1px solid rgba(16,24,40,0.04);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
    display: grid;
    gap: 0;
    max-height: 0;
		overflow: hidden;
    transition: max-height 0.25s ease;
    flex-direction: column;
  }

  .navbar__menu.is-open {
		max-height: calc(100vh - 4.5rem);
		overflow-y: auto;
		overscroll-behavior: contain;
  }

  .navbar__link {
    padding: 0.95rem 1.25rem;
    border-top: 1px solid var(--color-border);
  }

  .navbar__dropdown {
	width: 100%;
	display: block;
	border-top: 1px solid var(--color-border);
  }

  .navbar__dropdown > summary {
	padding: 0.95rem 1.25rem;
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	cursor: pointer;
  }

  .navbar__dropdown-menu {
	position: static;
	min-width: 0;
	border: 0;
	border-radius: 0;
	box-shadow: none;
	background: rgba(255, 255, 255, 0.55);
	backdrop-filter: none;
	-webkit-backdrop-filter: none;
	padding: 0;
	margin: 0;
	opacity: 0;
	transform: translateY(0.25rem);
	visibility: hidden;
	pointer-events: none;
	transition:
		opacity 0.35s ease,
		transform 0.35s ease,
		visibility 0s linear 0.35s;
  }

  .navbar__dropdown[open] .navbar__dropdown-menu {
	opacity: 1;
	transform: translateY(0);
	visibility: visible;
	pointer-events: auto;
	transition:
		opacity 0.35s ease,
		transform 0.35s ease,
		visibility 0s;
  }

  .navbar__dropdown-link {
	padding: 0.9rem 1.75rem;
	border-top: 1px solid var(--color-border);
  }

  .navbar__actions {
    display: none;
  }
}

/* Extra small - 480px and below */
@media (max-width: 480px) {
  .navbar__container {
    display: flex;
    align-items: right;
    justify-content: space-between;

    padding: 0.5rem 1rem;
  }

  .navbar__brand {
    margin-right: auto;
  }

  .navbar__toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .navbar__logo {
    width: 2.5rem;
    height: 2.5rem;
  }

  .navbar__link {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }

  .view-courses-button {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }
}

/* Large - 1920px and above */
@media (min-width: 1920px) {
	.navbar__container {
		max-width: 1400px;
		padding: 1rem 2rem;
	}
}

/* Extra large - 2560px and above */
@media (min-width: 2560px) {
	.navbar__container {
		max-width: 1400px;
		padding: 1rem 2rem;
	}
}