/* ==========================================================
   PetrolPress
   12 – Footer
   Premium Footer mit Branding, Navigation, Newsletter
   und rechtlichen Links
========================================================== */


/* ==========================================================
   FOOTER SHELL
========================================================== */

.site-footer {
	position: relative;
	overflow: hidden;
	color: var(--color-white);
	background:
		linear-gradient(
			145deg,
			var(--color-primary-deep) 0%,
			var(--color-primary-dark) 52%,
			var(--color-primary) 100%
		);
	isolation: isolate;
}

.site-footer::before,
.site-footer::after {
	content: "";
	position: absolute;
	z-index: var(--z-background);
	pointer-events: none;
}

.site-footer::before {
	top: -8rem;
	right: -5rem;
	width: clamp(18rem, 32vw, 34rem);
	height: clamp(18rem, 32vw, 34rem);
	background: var(--watercolor-teal);
	border-radius: 48% 52% 58% 42% / 42% 58% 42% 58%;
	opacity: var(--watercolor-opacity-light);
	filter: blur(8px);
	transform: rotate(-8deg);
}

.site-footer::after {
	bottom: -10rem;
	left: -7rem;
	width: clamp(20rem, 36vw, 38rem);
	height: clamp(20rem, 36vw, 38rem);
	background: var(--watercolor-petrol);
	border-radius: 55% 45% 42% 58% / 52% 48% 58% 42%;
	opacity: var(--watercolor-opacity-light);
	filter: blur(10px);
	transform: rotate(7deg);
}


/* ==========================================================
   MAIN FOOTER
========================================================== */

.footer-main {
	position: relative;
	z-index: var(--z-base);
	padding-block: clamp(4.5rem, 8vw, 7rem);
}

.footer-grid {
	display: grid;
	grid-template-columns:
		minmax(240px, 1.2fr)
		minmax(150px, 0.75fr)
		minmax(150px, 0.75fr)
		minmax(260px, 1.15fr);
	gap: clamp(2rem, 5vw, 4.5rem);
	align-items: start;
}


/* ==========================================================
   BRANDING
========================================================== */

.footer-brand {
	max-width: 360px;
}

.footer-logo {
	margin-bottom: var(--space-5);
}

.footer-logo .custom-logo-link {
	display: inline-flex;
}

.footer-logo img {
	width: auto;
	max-width: min(100%, 280px);
	max-height: 96px;
	object-fit: contain;
}

.footer-title {
	display: inline-block;
	margin-bottom: var(--space-4);
	font-family: var(--font-family-heading);
	font-size: clamp(1.7rem, 3vw, 2.4rem);
	font-weight: var(--font-weight-bold);
	line-height: 1.05;
	color: var(--color-white);
}

.footer-title:hover {
	color: var(--color-accent-light);
}

.footer-description {
	max-width: 34ch;
	margin: 0;
	font-size: var(--font-size-sm);
	line-height: var(--line-height-relaxed);
	color: rgba(255, 255, 255, 0.72);
}


/* ==========================================================
   FOOTER HEADINGS
========================================================== */

.footer-heading {
	margin-bottom: var(--space-4);
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-bold);
	letter-spacing: var(--letter-spacing-wide);
	text-transform: uppercase;
	color: var(--color-white);
}


/* ==========================================================
   FOOTER MENUS
========================================================== */

.footer-menu,
.legal-menu {
	margin: 0;
	padding: 0;
	list-style: none;
}

.footer-menu {
	display: grid;
	gap: var(--space-3);
}

.footer-menu li {
	margin: 0;
}

.footer-menu a {
	position: relative;
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	font-size: var(--font-size-sm);
	color: rgba(255, 255, 255, 0.74);
	transition:
		color var(--transition-base),
		transform var(--transition-base);
}

.footer-menu a::before {
	content: "";
	width: 0.35rem;
	height: 0.35rem;
	flex: 0 0 auto;
	background: var(--color-accent-light);
	border-radius: var(--radius-circle);
	opacity: 0.7;
	transition:
		opacity var(--transition-base),
		transform var(--transition-base);
}

.footer-menu a:hover {
	color: var(--color-white);
	transform: translateX(0.2rem);
}

.footer-menu a:hover::before {
	opacity: 1;
	transform: scale(1.25);
}

.footer-menu .current-menu-item > a,
.footer-menu .current-cat > a {
	color: var(--color-white);
	font-weight: var(--font-weight-semibold);
}


/* ==========================================================
   NEWSLETTER
========================================================== */

.footer-newsletter {
	padding: clamp(1.25rem, 3vw, 1.75rem);
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.13);
	border-radius: var(--radius-xl);
	box-shadow: var(--shadow-md);
	backdrop-filter: var(--glass-blur-large);
	-webkit-backdrop-filter: var(--glass-blur-large);
}

.footer-newsletter p {
	margin-bottom: var(--space-5);
	font-size: var(--font-size-sm);
	line-height: var(--line-height-relaxed);
	color: rgba(255, 255, 255, 0.72);
}

.footer-newsletter .newsletter-form {
	align-items: stretch;
	flex-direction: column;
}

.footer-newsletter input[type="email"] {
	color: var(--color-white);
	background: rgba(255, 255, 255, 0.08);
	border-color: rgba(255, 255, 255, 0.16);
}

.footer-newsletter input[type="email"]::placeholder {
	color: rgba(255, 255, 255, 0.52);
}

.footer-newsletter input[type="email"]:focus {
	border-color: rgba(255, 255, 255, 0.44);
	box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.08);
}

.footer-newsletter .btn,
.footer-newsletter button[type="submit"] {
	width: 100%;
}


/* ==========================================================
   WIDGETS
========================================================== */

.site-footer .widget {
	margin: 0;
}

.site-footer .widget-title {
	color: var(--color-white);
}

.site-footer .widget ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-footer .widget li + li {
	margin-top: var(--space-2);
}

.site-footer .widget a {
	color: rgba(255, 255, 255, 0.74);
}

.site-footer .widget a:hover {
	color: var(--color-white);
}


/* ==========================================================
   FOOTER BOTTOM
========================================================== */

.footer-bottom {
	position: relative;
	z-index: var(--z-base);
	border-top: 1px solid rgba(255, 255, 255, 0.12);
	background: rgba(0, 0, 0, 0.08);
}

.footer-bottom-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-5);
	padding-block: var(--space-5);
}

.footer-copyright {
	margin: 0;
	font-size: var(--font-size-xs);
	color: rgba(255, 255, 255, 0.62);
}

.legal-menu {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: flex-end;
	gap: var(--space-3) var(--space-5);
}

.legal-menu a {
	font-size: var(--font-size-xs);
	color: rgba(255, 255, 255, 0.62);
}

.legal-menu a:hover {
	color: var(--color-white);
}


/* ==========================================================
   SOCIAL LINKS
========================================================== */

.footer-social {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-2);
	margin-top: var(--space-5);
}

.footer-social a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.65rem;
	height: 2.65rem;
	color: var(--color-white);
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: var(--radius-circle);
	transition:
		background-color var(--transition-base),
		border-color var(--transition-base),
		transform var(--transition-base);
}

.footer-social a:hover {
	background: rgba(255, 255, 255, 0.14);
	border-color: rgba(255, 255, 255, 0.22);
	transform: translateY(-0.15rem);
}

.footer-social svg {
	width: 1.1rem;
	height: 1.1rem;
}


/* ==========================================================
   BACK TO TOP
========================================================== */

.back-to-top {
	position: fixed;
	right: var(--space-5);
	bottom: var(--space-5);
	z-index: var(--z-sticky);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 3rem;
	height: 3rem;
	color: var(--color-white);
	background: var(--color-primary);
	border: 1px solid rgba(255, 255, 255, 0.14);
	border-radius: var(--radius-circle);
	box-shadow: var(--shadow-lg);
	opacity: 0;
	visibility: hidden;
	transform: translateY(0.75rem);
	transition:
		opacity var(--transition-base),
		visibility var(--transition-base),
		transform var(--transition-base),
		background-color var(--transition-base);
}

.back-to-top.is-visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.back-to-top:hover {
	background: var(--color-primary-dark);
	transform: translateY(-0.15rem);
}


/* ==========================================================
   RESPONSIVE
========================================================== */

@media (max-width: 1100px) {

	.footer-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.footer-brand,
	.footer-newsletter {
		max-width: none;
	}
}

@media (max-width: 720px) {

	.footer-main {
		padding-block: 4rem;
	}

	.footer-grid {
		grid-template-columns: minmax(0, 1fr);
		gap: var(--space-8);
	}

	.footer-bottom-inner {
		align-items: flex-start;
		flex-direction: column;
	}

	.legal-menu {
		justify-content: flex-start;
	}

	.back-to-top {
		right: var(--space-4);
		bottom: var(--space-4);
		width: 2.75rem;
		height: 2.75rem;
	}
}


/* ==========================================================
   REDUCED MOTION
========================================================== */

@media (prefers-reduced-motion: reduce) {

	.footer-menu a,
	.footer-menu a::before,
	.footer-social a,
	.back-to-top {
		transition: none;
	}

	.footer-menu a:hover,
	.footer-social a:hover,
	.back-to-top:hover {
		transform: none;
	}
}