/**
 * PX Footer - Static CSS
 *
 * Figma: Footer (node 201-37344)
 * Layout: footer → main (max-width) → logo + 4-col grid
 *         footer → bottom → cert + bottom-bar (copyright + legal)
 *
 * Mobile accordion uses shared px-accordion__* classes (px-accordion.css).
 * This file only handles footer layout and desktop overrides.
 */


/* ==========================================================================
   Footer Section
   ========================================================================== */

.px-footer {
	display: flex;
	flex-direction: column;
	gap: var(--space-d3);
	padding: 0 var(--space-d3) var(--space-d3);
}


/* Back to top: see shared px-footer-base.css (.px-footer-base__back-top) */


/* ==========================================================================
   Main Container (centered, max-width)
   ========================================================================== */

.px-footer__main {
	max-width: var(--row-width);
	width: 100%;
	margin-left: auto;
	margin-right: auto;
	display: flex;
	flex-direction: column;
	gap: var(--space-d3);
	padding: 0;
}


/* Logo: see shared px-footer-base.css (.px-footer-base__logo) */


/* ==========================================================================
   4-Column Grid
   ========================================================================== */

.px-footer__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--space-d3);
}


/* ==========================================================================
   Column
   ========================================================================== */

.px-footer__col {
	display: flex;
	flex-direction: column;
	gap: var(--space-d15);
}

.px-footer__col--1 {
	margin-bottom: var(--space-d1);
}


/* ==========================================================================
   Nav Sections
   ========================================================================== */

.px-footer__nav-section {
	display: flex;
	flex-direction: column;
	gap: var(--space-d1);
}

.px-footer__nav-heading {
	margin: 0;
}

.px-footer__nav-title {
	font-family: var(--font-display);
	font-weight: var(--weight-semibold);
	font-size: var(--text-d125);
	line-height: var(--lh-snug);
	letter-spacing: var(--ls-tight);
	color: var(--gray-dark);
}


/* -- Nav panel (link list) -- */

.px-footer__nav-panel-inner {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: var(--space-d1);
}

/* Static nav section (no accordion on mobile) — spacing between siblings */
.px-footer__nav-section--static:not(:last-child) {
	margin-bottom: var(--space-d075);
}

/* Nav rich text item */
.px-footer__nav-text {
	padding: 0 var(--space-d075) var(--space-d05);
	margin-left: calc(-1 * var(--space-d075));
	font-family: var(--font-body);
	font-size: var(--text-body);
	line-height: var(--lh-normal);
	color: var(--gray-dark);
}

.px-footer__nav-text p {
	margin: 0;
}

.px-footer__nav-text p + p {
	margin-top: var(--space-d05);
}



/* ==========================================================================
   Nav trigger (button — accordion on mobile, plain heading on desktop)
   No shared px-accordion__* classes — fully self-contained.
   ========================================================================== */

.px-footer__nav-trigger {
	display: flex;
	align-items: center;
	gap: var(--space-d05);
	width: 100%;
	padding: var(--space-d025) 0;
	margin: 0;
	border: none;
	background: none;
	text-align: left;
	cursor: default;
	color: var(--gray-dark);
}

.px-footer__nav-trigger:focus-visible {
	outline: solid 3px var(--btn-focus-ring);
	outline-offset: 2px;
}

/* Accordion title: underline like FAQ items */
[data-px-accordion-item] .px-footer__nav-title {
	text-decoration: underline;
	text-underline-offset: 0.15em;
}

.px-footer__nav-trigger:hover .px-footer__nav-title {
	text-decoration: none;
}

.is-open .px-footer__nav-title {
	text-decoration: none;
}

/* Icon — hidden on desktop */
.px-footer__nav-icon {
	display: none;
}

/* Panel — always visible on desktop */
.px-footer__nav-panel {
	display: flex;
	flex-direction: column;
}


/* ==========================================================================
   International Link
   ========================================================================== */

.px-footer__international {
	display: flex;
	flex-direction: column;
	gap: var(--space-d05);
	align-items: flex-start;
}

.px-footer__intl-heading {
	font-family: var(--font-display);
	font-weight: var(--weight-semibold);
	font-size: var(--text-d15);
	line-height: var(--lh-snug);
	letter-spacing: var(--ls-tight);
	color: var(--gray-dark);
}

.px-footer__intl-link {
	display: inline-flex;
	align-items: center;
	gap: var(--space-d05);
	padding: var(--space-d025) var(--space-d05);
	margin-left: calc(-1 * var(--space-d05));
	border-radius: var(--radius-s);
	font-family: var(--font-display);
	font-weight: var(--weight-medium);
	font-size: var(--text-body);
	line-height: var(--lh-normal);
	color: var(--gray-dark);
	text-decoration: none;
	transition: background-color var(--duration-normal) var(--ease-smooth),
	            color var(--duration-normal) var(--ease-smooth);
}

.px-footer__intl-link:hover {
	color: var(--action);
}

.px-footer__intl-icon {
	display: flex;
	align-items: center;
}

.px-footer__intl-icon svg {
	width: var(--space-d15);
	height: var(--space-d15);
}


/* ==========================================================================
   Social Media
   ========================================================================== */

.px-footer__social {
	display: flex;
	flex-direction: column;
	gap: var(--space-d1);
}

.px-footer__social-heading {
	font-family: var(--font-display);
	font-weight: var(--weight-semibold);
	font-size: var(--text-d15);
	line-height: var(--lh-snug);
	letter-spacing: var(--ls-tight);
	color: var(--gray-dark);
}

.px-footer__social-links {
	display: flex;
	gap: var(--space-d05);
}

/* Social icon button (circle) */
.px-footer__social-link {
	display: flex;
	justify-content: center;
	align-items: center;
	width: var(--space-d3);
	height: var(--space-d3);
	background-color: var(--white);
	border: 3px solid transparent;
	border-radius: var(--radius-full);
	box-shadow: var(--shadow-subtle);
	transition: var(--transition-btn);
}

.px-footer__social-link span {
	display: flex;
}

.px-footer__social-link svg {
	width: var(--space-d15);
	height: var(--space-d15);
}

.px-footer__social-link svg path {
	transition: var(--transition-btn);
}

.px-footer__social-link:hover {
	border-color: var(--action);
	box-shadow: var(--shadow-hover);
}

.px-footer__social-link:hover svg path {
	fill: var(--action);
}

.px-footer__social-link:focus-visible {
	outline: solid 3px var(--btn-focus-ring);
	outline-offset: 0;
	border-color: transparent;
	box-shadow: var(--shadow-hover);
}

.px-footer__social-link:active {
	background-color: var(--sky-blue);
	box-shadow: var(--shadow-pressed);
}

.px-footer__social-link:active svg path {
	fill: var(--action);
}


/* ==========================================================================
   Mobile Sections (mobile-only, between nav and col 4)
   ========================================================================== */

.px-footer__mobile-section {
	display: none;
}

.px-footer__mobile-heading {
	font-family: var(--font-display);
	font-weight: var(--weight-semibold);
	font-size: var(--text-d15);
	line-height: var(--lh-snug);
	letter-spacing: var(--ls-tight);
	color: var(--gray-dark);
	margin: 0;
}

.px-footer__mobile-links {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: var(--space-d025);
}


/* Footer bottom: see shared px-footer-base.css (.px-footer-base__bottom, etc.) */


/* ==========================================================================
   Focus states (WCAG keyboard)
   ========================================================================== */

.px-footer__intl-link:focus-visible {
	outline: solid 3px var(--btn-focus-ring);
	outline-offset: 2px;
}


/* ==========================================================================
   Responsive – Tablet
   ========================================================================== */

@media screen and (max-width: 992px) {
	.px-footer {
		padding: 0 var(--space-d2) var(--space-d3);
	}

	.px-footer__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}


/* ==========================================================================
   Responsive – Mobile
   ========================================================================== */

@media screen and (max-width: 767px) {
	.px-footer {
		padding: 0 var(--space-d1) var(--space-d3);
	}

	.px-footer__grid {
		grid-template-columns: 1fr;
		gap: var(--space-d075);
	}

	.px-footer__col {
		gap: var(--space-d075);
	}

	/* Nav titles: match other mobile headings */
	.px-footer__nav-title {
		font-size: var(--text-d15);
	}

	/* Static nav section: match spacing of other mobile sections */
	.px-footer__nav-section--static {
		gap: var(--space-d05);
	}

	/* Nav trigger: interactive on mobile */
	.px-footer__nav-trigger {
		cursor: pointer;
	}

	/* Nav icon: visible on mobile */
	.px-footer__nav-icon {
		display: flex;
		align-items: center;
		flex-shrink: 0;
		width: var(--space-d15);
		height: var(--space-d15);
		transition: transform var(--duration-normal) var(--ease-smooth);
	}

	.px-footer__nav-icon svg {
		width: 100%;
		height: 100%;
		fill: currentColor;
	}

	.is-open .px-footer__nav-icon {
		transform: rotate(180deg);
	}

	/* Nav panel: accordion animation on mobile (only accordion items, not static) */
	[data-px-accordion-item] > .px-footer__nav-panel {
		display: grid;
		grid-template-rows: 0fr;
		transition: grid-template-rows var(--duration-normal) var(--ease-smooth);
	}

	.is-open > .px-footer__nav-panel {
		grid-template-rows: 1fr;
	}

	[data-px-accordion-item] .px-footer__nav-panel-inner {
		overflow: hidden;
		visibility: hidden;
		transition: padding var(--duration-normal) var(--ease-smooth),
		            visibility 0s linear var(--duration-normal);
	}

	.is-open .px-footer__nav-panel-inner {
		visibility: visible;
		transition: padding var(--duration-normal) var(--ease-smooth),
		            visibility 0s linear 0s;
	}

	/* Column 4: extra spacing from nav columns */
	.px-footer__col--4 {
		padding-top: var(--space-d075);
		gap: var(--space-d15);
	}

	/* Social links: wrap if needed */
	.px-footer__social-links {
		flex-wrap: wrap;
	}

	/* Hide-mobile items */
	.px-footer__hide-mobile {
		display: none;
	}

	/* Mobile sections: visible on mobile */
	.px-footer__mobile-section {
		display: flex;
		flex-direction: column;
		gap: var(--space-d05);
		align-items: flex-start;
	}
}