/* =========================================================
   MOBILE MENU BUTTON
   ========================================================= */

.mobile-menu-toggle {
	display: none;
	flex-direction: column;
	align-items: center;
	justify-content: center;

	gap: 6px;

	width: 48px;
	height: 48px;

	margin: 0;
	padding: 0;

	flex: 0 0 auto;

	border: 0;
	border-radius: var(--border-radius);

	background: transparent;
	color: var(--font-color);

	cursor: pointer;
}

.mobile-menu-toggle span {
	display: block;

	width: 27px;
	height: 2px;

	background: currentColor;
	border-radius: 2px;

	transition:
		transform 0.3s ease,
		opacity 0.3s ease;
}


/* =========================================================
   BURGER → X
   ========================================================= */

.mobile-menu-toggle.is-open span:nth-child(1) {
	transform: translateY(8px) rotate(45deg);
}

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

.mobile-menu-toggle.is-open span:nth-child(3) {
	transform: translateY(-8px) rotate(-45deg);
}


/* =========================================================
   MOBILE / TABLET
   bis 900px
   ========================================================= */

@media (max-width: 900px) {

	.site-header {
		position: sticky;
		top: 0;
		z-index: 4000;

		width: 100%;

		background: rgba(255, 255, 255, 0.92);

		backdrop-filter: blur(10px);
		-webkit-backdrop-filter: blur(10px);

		isolation: isolate;
	}


	.site-header-inner {
		position: relative;

		display: flex;
		flex-wrap: wrap;
		align-items: center;
		justify-content: space-between;

		width: 100%;

		padding: 0.8rem 1.5rem;

		box-sizing: border-box;
	}


	/* =====================================================
	   LOGO
	   ===================================================== */

	.site-logo {
		display: block;

		flex: 0 0 auto;

		width: auto;
		max-width: 180px;

		overflow: hidden;
	}


	.site-logo img {
		display: block;

		width: auto;
		height: 60px;

		max-width: 180px;
		max-height: 60px;

		object-fit: contain;
	}


	/* =====================================================
	   BURGER
	   ===================================================== */

	.mobile-menu-toggle {
		position: absolute;
		top: 0.8rem;
		right: 1.5rem;

		display: flex;

		margin-left: 0;
	}


	/* =====================================================
	   NAVIGATION
	   ===================================================== */

	.main-navigation {
		display: none;

		flex: 0 0 100%;

		width: 100%;
	}


	.main-navigation.is-open {
		display: block;
	}


	.main-navigation > ul {
		display: flex;
		flex-direction: column;
		align-items: stretch;

		gap: 0;

		width: 100%;

		margin: 0.8rem 0 0;
		padding: 0.8rem 0 0;

		border-top: 1px solid rgba(0, 0, 0, 0.10);
	}


	.main-navigation > ul > li {
		display: block;

		width: 100%;

		margin: 0;
		padding: 0;
	}


	.main-navigation > ul > li > a {
		display: flex;
		align-items: center;
		justify-content: flex-start;

		gap: 0.75rem;

		width: 100%;

		padding: 0.8rem 1rem;

		box-sizing: border-box;

		border-radius: var(--border-radius);
	}


	/* =====================================================
	   UNTERMENÜ
	   ===================================================== */

	.main-navigation ul ul {
		display: none;

		position: static;

		width: 100%;
		min-width: 0;

		margin: 0;
		padding: 0 0 0.5rem 1.25rem;

		box-sizing: border-box;

		background: transparent;

		box-shadow: none;

		opacity: 1;
		visibility: visible;
		pointer-events: auto;
	}


	.main-navigation-item.is-open > .main-navigation-submenu {
		display: block;
	}


	.main-navigation ul ul li {
		width: 100%;
	}


	.main-navigation ul ul a {
		display: flex;
		align-items: center;
		justify-content: flex-start;

		gap: 0.75rem;

		width: 100%;

		padding: 0.6rem 1rem;

		box-sizing: border-box;
	}


	/* =====================================================
	   MENÜPFEILE
	   ===================================================== */

	.main-navigation-arrow {
		position: static;

		display: inline-flex;
		align-items: center;
		justify-content: center;

		width: 0.8rem;
		height: 0.8rem;

		flex: 0 0 0.8rem;

		margin-left: auto;

		line-height: 0;

		transform: none;

		transition: transform 0.2s ease;
	}


	.main-navigation-arrow svg {
		display: block;

		width: 100%;
		height: 100%;

		max-width: none;
	}


	.main-navigation-item.is-open > a > .main-navigation-arrow {
		transform: rotate(90deg);
	}
}


/* =========================================================
   SMARTPHONE
   bis 600px
   ========================================================= */

@media (max-width: 600px) {

	.site-header-inner {
		padding: 0.65rem 1rem;
	}


	.site-logo {
		max-width: 155px;
	}


	.site-logo img {
		height: 52px;

		max-width: 155px;
		max-height: 52px;
	}


	.mobile-menu-toggle {
		top: 0.65rem;
		right: 1rem;

		width: 44px;
		height: 44px;
	}


	.mobile-menu-toggle span {
		width: 25px;
	}
}


/* =========================================================
   SEHR KLEINE SMARTPHONES
   ========================================================= */

@media (max-width: 420px) {

	.site-logo {
		max-width: 145px;
	}


	.site-logo img {
		height: 48px;

		max-width: 145px;
		max-height: 48px;
	}
}