/* ==================================================
   Executive Medicine — Demo Primary Navigation
   Preview only. Load this file after the existing nav.css.
   ================================================== */

/* Main navigation shell */

.em-demo-nav,
.em-demo-nav * {
	box-sizing: border-box;
}

.em-demo-nav {
	position: fixed;
	z-index: 9998;
	top: 0;
	left: 0;
	width: 100%;
	padding: 0.72rem clamp(1.1rem, 2.2vw, 2.3rem);
	background: rgba(255, 255, 255, 0.94);
	border-bottom: 1px solid rgba(36, 54, 66, 0.1);
	box-shadow: 0 3px 12px rgba(36, 54, 66, 0.06);
	-webkit-backdrop-filter: blur(10px);
	backdrop-filter: blur(10px);
}

.em-demo-nav .main-nav-inner {
	display: flex;
	align-items: center;
	gap: clamp(1rem, 2vw, 1.8rem);
	width: 100%;
	max-width: 1380px;
	min-height: 48px;
	margin: 0 auto;
}

/* Restrained text brand and homepage route */

.em-demo-nav .nav-brand {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	flex: 0 0 auto;
	color: #243642;
	text-decoration: none;
}

.em-demo-nav .nav-brand-name {
	position: relative;
	display: block;
	padding-bottom: 5px;
	font-family:
		Didot,
		"Bodoni 72",
		"Bodoni MT",
		Georgia,
		serif;
	font-size: clamp(1rem, 1.3vw, 1.22rem);
	font-weight: 600;
	letter-spacing: 0.08em;
	line-height: 1;
	text-transform: uppercase;
	white-space: nowrap;
}

.em-demo-nav .nav-brand-name::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 36px;
	height: 1px;
	background: #86bf96;
}

/* Desktop navigation */

.em-demo-nav .nav-toggle {
	display: none;
}

.em-demo-nav .nav-menu {
	display: grid;
	grid-template-columns: repeat(5, max-content) max-content;
	align-items: center;
	justify-content: space-between;
	gap: 0;
	width: 100%;
	min-width: 0;
	margin: 0;
	padding: 0;
	list-style: none;
}

.em-demo-nav .nav-item {
	min-width: 0;
	margin: 0;
	text-align: center;
}

.em-demo-nav .nav-item > a {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: 0.65rem clamp(0.42rem, 0.8vw, 0.8rem);
	color: #243642;
	text-decoration: none;
	font-size: clamp(0.8rem, 0.82vw, 0.91rem);
	font-weight: 650;
	letter-spacing: 0.005em;
	line-height: 1.25;
	white-space: nowrap;
	transition:
		color 0.18s ease,
		background-color 0.18s ease,
		border-color 0.18s ease,
		transform 0.18s ease;
}

.em-demo-nav .nav-item:not(.nav-action-item) > a::after {
	content: "";
	position: absolute;
	right: clamp(0.42rem, 0.8vw, 0.8rem);
	bottom: 4px;
	left: clamp(0.42rem, 0.8vw, 0.8rem);
	height: 2px;
	background: #49765a;
	transform: scaleX(0);
	transform-origin: center;
	transition: transform 0.18s ease;
}

.em-demo-nav .nav-item:not(.nav-action-item) > a:hover,
.em-demo-nav .nav-item:not(.nav-action-item) > a:focus-visible {
	color: #3f6d51;
}

.em-demo-nav .nav-item:not(.nav-action-item) > a:hover::after,
.em-demo-nav .nav-item:not(.nav-action-item) > a:focus-visible::after,
.em-demo-nav .nav-item:not(.nav-action-item) > a[aria-current="page"]::after {
	transform: scaleX(1);
}

.em-demo-nav .nav-item:not(.nav-action-item) > a[aria-current="page"] {
	color: #315f42;
}

.em-demo-nav .nav-action-item {
	margin-left: clamp(0.45rem, 1vw, 0.9rem);
}

.em-demo-nav .nav-action-item > .nav-book-action {
	min-height: 44px;
	padding: 0.68rem clamp(0.9rem, 1.4vw, 1.25rem);
	color: #ffffff;
	background: #49765a;
	border: 1px solid #49765a;
	font-size: 0.88rem;
	font-weight: 700;
}

.em-demo-nav .nav-action-item > .nav-book-action:hover,
.em-demo-nav .nav-action-item > .nav-book-action:focus-visible {
	color: #ffffff;
	background: #355f46;
	border-color: #355f46;
	transform: translateY(-1px);
}

.em-demo-nav a:focus-visible,
.em-demo-nav button:focus-visible {
	outline: 3px solid rgba(73, 118, 90, 0.42);
	outline-offset: 3px;
}

.em-demo-nav .nav-mobile-home {
	display: none;
}

/* ==================================================
   Mobile and tablet navigation
   ================================================== */

@media (max-width: 1200px) {
	.em-demo-nav {
		padding: 0;
		background: transparent;
		border: 0;
		box-shadow: none;
		-webkit-backdrop-filter: none;
		backdrop-filter: none;
	}

	.em-demo-nav .main-nav-inner {
		min-height: 0;
		padding: 0;
	}

	.em-demo-nav .nav-brand {
		display: none;
	}

	.em-demo-nav .nav-toggle {
		position: fixed;
		z-index: 10002;
		top: 0.75rem;
		left: 0.75rem;
		display: inline-flex !important;
		align-items: center;
		justify-content: center;
		gap: 0.55rem;
		min-width: 92px;
		min-height: 44px;
		margin: 0;
		padding: 0.55rem 0.9rem;
		color: #243642;
		background: rgba(255, 255, 255, 0.96);
		border: 1px solid rgba(36, 54, 66, 0.12);
		border-radius: 999px;
		box-shadow: 0 4px 14px rgba(0, 0, 0, 0.14);
		font: inherit;
		font-size: 0.88rem;
		font-weight: 700;
		line-height: 1;
		cursor: pointer;
	}

	.em-demo-nav .nav-toggle-icon {
		display: grid;
		gap: 3px;
		width: 16px;
	}

	.em-demo-nav .nav-toggle-icon span {
		display: block;
		width: 16px;
		height: 2px;
		background: currentColor;
		transition:
			transform 0.18s ease,
			opacity 0.18s ease;
	}

	.em-demo-nav .nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(1) {
		transform: translateY(5px) rotate(45deg);
	}

	.em-demo-nav .nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(2) {
		opacity: 0;
	}

	.em-demo-nav .nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(3) {
		transform: translateY(-5px) rotate(-45deg);
	}

	.em-demo-nav .nav-menu {
		position: fixed;
		z-index: 10001;
		top: 0;
		right: 0;
		left: 0;
		display: none;
		grid-template-columns: 1fr;
		align-items: stretch;
		justify-content: initial;
		gap: 0;
		width: auto;
		max-height: calc(100vh - 4.1rem);
		max-height: calc(100dvh - 4.1rem);
		margin: 4.1rem 0 0;
		padding: 0.55rem 1rem 1rem;
		overflow-y: auto;
		background: rgba(255, 255, 255, 0.985);
		border-top: 1px solid rgba(36, 54, 66, 0.1);
		border-bottom: 1px solid rgba(36, 54, 66, 0.12);
		border-radius: 0 0 14px 14px;
		box-shadow: 0 14px 30px rgba(36, 54, 66, 0.16);
	}

	.em-demo-nav .nav-menu.is-open {
		display: grid;
	}

	.em-demo-nav .nav-item {
		width: 100%;
		text-align: left;
	}

	.em-demo-nav .nav-item > a {
		display: flex;
		justify-content: flex-start;
		width: 100%;
		min-height: 50px;
		padding: 0.8rem 0.9rem;
		font-size: 0.98rem;
		white-space: normal;
	}

	.em-demo-nav .nav-item:not(.nav-action-item) > a::after {
		display: none;
	}

	.em-demo-nav .nav-item:not(.nav-action-item) > a:hover,
	.em-demo-nav .nav-item:not(.nav-action-item) > a:focus-visible,
	.em-demo-nav .nav-item:not(.nav-action-item) > a[aria-current="page"] {
		color: #315f42;
		background: #eef4ee;
	}

	.em-demo-nav .nav-item:not(.nav-action-item) > a[aria-current="page"] {
		box-shadow: inset 3px 0 0 #49765a;
	}

	.em-demo-nav .nav-mobile-home {
		display: block;
		margin-bottom: 0.35rem;
		padding-bottom: 0.35rem;
		border-bottom: 1px solid #cad8cd;
	}

	.em-demo-nav .nav-mobile-home > a {
		font-family:
			Didot,
			"Bodoni 72",
			"Bodoni MT",
			Georgia,
			serif;
		font-weight: 600;
		letter-spacing: 0.06em;
		text-transform: uppercase;
	}

	.em-demo-nav .nav-action-item {
		margin: 0.55rem 0 0;
		padding-top: 0.85rem;
		border-top: 1px solid #cad8cd;
	}

	.em-demo-nav .nav-action-item > .nav-book-action {
		justify-content: center;
		min-height: 50px;
		padding: 0.85rem 1rem;
		font-size: 0.96rem;
	}

}

@media (max-width: 420px) {
	.em-demo-nav .nav-menu {
		padding-right: 0.75rem;
		padding-left: 0.75rem;
	}

	.em-demo-nav .nav-toggle {
		min-width: 86px;
		padding-right: 0.78rem;
		padding-left: 0.78rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.em-demo-nav a,
	.em-demo-nav .nav-toggle-icon span {
		transition: none;
	}
}