/**
 * MSA Page Header — front-end styles.
 * Uses MSA theme tokens when present, with neutral fallbacks for other themes.
 */

/* 1. Frame + height ------------------------------------------------------- */
.msa-ph {
	--msa-ph-ease: var(--msa-ease, cubic-bezier(.22, .8, .24, 1));
	--msa-ph-speed: 1.1s;
	--msa-ph-ink: 3, 18, 37;
	--msa-ph-fx-dur: calc(var(--msa-ph-interval, 6s) + 2.5s);
	position: relative;
	isolation: isolate;
	overflow: hidden;
	display: grid;
	min-height: var(--msa-ph-h, 100vh);
	margin-block: 0;
	color: #fff;
	background: var(--msa-navy-900, #031225);
}
@supports (min-height: 100svh) {
	.msa-ph { min-height: var(--msa-ph-h-modern, 100svh); }
}
@media (max-width: 767px) {
	.msa-ph { min-height: var(--msa-ph-hm, var(--msa-ph-h, 100vh)); }
	@supports (min-height: 100svh) {
		.msa-ph { min-height: var(--msa-ph-hm-modern, var(--msa-ph-h-modern, 100svh)); }
	}
}
.msa-ph--single { --msa-ph-fx-dur: 26s; }

.msa-ph__slides { display: grid; position: relative; }

.msa-ph__slide {
	grid-area: 1 / 1;
	position: relative;
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: calc(var(--msa-header-h, 76px) + clamp(2.5rem, 6vw, 4.5rem)) 0 clamp(6rem, 11vw, 8rem);
}
.msa-ph--valign-bottom .msa-ph__slide { justify-content: flex-end; }

/* 2. Media + overlay ------------------------------------------------------ */
.msa-ph__media { position: absolute; inset: 0; overflow: hidden; z-index: 0; }
.msa-ph__img {
	display: block;
	width: 100%;
	height: 100%;
	max-width: none;
	object-fit: cover;
	object-position: center;
	will-change: transform;
}
.msa-ph__media::after {
	content: "";
	position: absolute;
	inset: 0;
	background:
		linear-gradient(180deg, rgba(var(--msa-ph-ink), .45) 0%, rgba(var(--msa-ph-ink), 0) 28%),
		var(--msa-ph-tint);
}
.msa-ph--ov-left {
	--msa-ph-tint: linear-gradient(90deg,
		rgba(var(--msa-ph-ink), calc(var(--msa-ph-overlay) + .25)) 0%,
		rgba(var(--msa-ph-ink), var(--msa-ph-overlay)) 50%,
		rgba(var(--msa-ph-ink), calc(var(--msa-ph-overlay) * .3)) 100%);
}
.msa-ph--ov-left.msa-ph--align-right {
	--msa-ph-tint: linear-gradient(270deg,
		rgba(var(--msa-ph-ink), calc(var(--msa-ph-overlay) + .25)) 0%,
		rgba(var(--msa-ph-ink), var(--msa-ph-overlay)) 50%,
		rgba(var(--msa-ph-ink), calc(var(--msa-ph-overlay) * .3)) 100%);
}
.msa-ph--ov-left.msa-ph--align-center {
	--msa-ph-tint: radial-gradient(ellipse 75% 70% at 50% 50%,
		rgba(var(--msa-ph-ink), calc(var(--msa-ph-overlay) + .15)) 0%,
		rgba(var(--msa-ph-ink), calc(var(--msa-ph-overlay) * .55)) 100%);
}
.msa-ph--ov-bottom {
	--msa-ph-tint: linear-gradient(0deg,
		rgba(var(--msa-ph-ink), calc(var(--msa-ph-overlay) + .3)) 0%,
		rgba(var(--msa-ph-ink), calc(var(--msa-ph-overlay) * .5)) 55%,
		rgba(var(--msa-ph-ink), calc(var(--msa-ph-overlay) * .2)) 100%);
}
.msa-ph--ov-uniform { --msa-ph-tint: linear-gradient(rgba(var(--msa-ph-ink), var(--msa-ph-overlay)), rgba(var(--msa-ph-ink), var(--msa-ph-overlay))); }

/* 3. Copy ----------------------------------------------------------------- */
.msa-ph__inner {
	position: relative;
	z-index: 1;
	width: min(100% - 2 * var(--msa-gutter, 1.25rem), var(--msa-container, 1240px));
	margin-inline: auto;
}
.msa-ph__copy { max-width: 780px; text-shadow: 0 2px 28px rgba(var(--msa-ph-ink), .3); }
.msa-ph__copy > * { margin: 0; }
.msa-ph__copy > * + * { margin-top: 1.35rem; }
.msa-ph--align-center .msa-ph__copy { margin-inline: auto; text-align: center; }
.msa-ph--align-right .msa-ph__copy { margin-inline-start: auto; text-align: right; }

.msa-ph__eyebrow {
	font: 700 .78rem/1.3 var(--msa-font-heading, inherit);
	letter-spacing: .16em;
	text-transform: uppercase;
	color: var(--msa-aqua, #5eead4);
}
.msa-ph__title {
	color: #fff;
	font-family: var(--msa-font-heading, inherit);
	font-weight: var(--msa-heading-weight, 800);
	font-size: clamp(2.4rem, 6vw, 5rem);
	line-height: 1.04;
	letter-spacing: -.035em;
	text-wrap: balance;
}
.msa-ph__text {
	max-width: 60ch;
	font-size: clamp(1.05rem, 1.6vw, 1.25rem);
	line-height: 1.6;
	color: rgba(255, 255, 255, .86);
}
.msa-ph--align-center .msa-ph__text { margin-inline: auto; }
.msa-ph--align-right .msa-ph__text { margin-inline-start: auto; }

.msa-ph__actions { display: flex; flex-wrap: wrap; gap: .75rem; padding-top: .4rem; text-shadow: none; }
.msa-ph--align-center .msa-ph__actions { justify-content: center; }
.msa-ph--align-right .msa-ph__actions { justify-content: flex-end; }

/* Fallback buttons for themes without .msa-btn (zero specificity). */
:where(.msa-ph__btn) {
	display: inline-flex; align-items: center; gap: .5rem;
	min-height: 52px; padding: .85rem 1.6rem; border-radius: 999px;
	font-weight: 700; text-decoration: none; color: #fff;
	background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .4);
}

/* 4. Text animation ------------------------------------------------------- */
.msa-ph--text-fade-up .is-active .msa-ph__copy > * { animation: msa-ph-text-up .9s var(--msa-ph-ease) both; }
.msa-ph--text-fade .is-active .msa-ph__copy > * { animation: msa-ph-text-fade 1s ease both; }
.msa-ph .is-active .msa-ph__copy > :nth-child(1) { animation-delay: .25s; }
.msa-ph .is-active .msa-ph__copy > :nth-child(2) { animation-delay: .38s; }
.msa-ph .is-active .msa-ph__copy > :nth-child(3) { animation-delay: .51s; }
.msa-ph .is-active .msa-ph__copy > :nth-child(4) { animation-delay: .64s; }
.msa-ph .is-active .msa-ph__copy > :nth-child(5) { animation-delay: .77s; }
@keyframes msa-ph-text-up { from { opacity: 0; transform: translate3d(0, 28px, 0); } to { opacity: 1; transform: none; } }
@keyframes msa-ph-text-fade { from { opacity: 0; } to { opacity: 1; } }

/* 5. Image effects (run on the visible + outgoing slide) ------------------ */
.msa-ph--fx-kenburns-out :is(.is-active, .is-leaving) .msa-ph__img { animation: msa-ph-kb-out var(--msa-ph-fx-dur) linear both; }
.msa-ph--fx-kenburns-in :is(.is-active, .is-leaving) .msa-ph__img { animation: msa-ph-kb-in var(--msa-ph-fx-dur) linear both; }
.msa-ph--fx-pan :is(.is-active, .is-leaving) .msa-ph__img { animation: msa-ph-pan var(--msa-ph-fx-dur) linear both; }
.msa-ph--fx-blur-in :is(.is-active, .is-leaving) .msa-ph__img { animation: msa-ph-blur-in 2.4s var(--msa-ph-ease) both; }
.msa-ph--fx-parallax .msa-ph__img { transform: translate3d(0, var(--msa-ph-py, 0px), 0) scale(1.18); }
@keyframes msa-ph-kb-out { from { transform: scale(1.16); } to { transform: scale(1); } }
@keyframes msa-ph-kb-in { from { transform: scale(1); } to { transform: scale(1.16); } }
@keyframes msa-ph-pan { from { transform: scale(1.16) translate3d(-4%, 0, 0); } to { transform: scale(1.16) translate3d(4%, 0, 0); } }
@keyframes msa-ph-blur-in { from { filter: blur(16px); transform: scale(1.1); } to { filter: blur(0); transform: scale(1); } }

/* 6. Slide transitions ---------------------------------------------------- */
.msa-ph--slider .msa-ph__slide { z-index: 0; visibility: hidden; }
.msa-ph--slider .msa-ph__slide.is-leaving { z-index: 1; visibility: visible; }
.msa-ph--slider .msa-ph__slide.is-active { z-index: 2; visibility: visible; }

/* Crossfade */
.msa-ph--slider.msa-ph--tr-fade .msa-ph__slide { opacity: 0; }
.msa-ph--slider.msa-ph--tr-fade .msa-ph__slide.is-leaving { opacity: 1; }
.msa-ph--slider.msa-ph--tr-fade .msa-ph__slide.is-active { opacity: 1; transition: opacity var(--msa-ph-speed) ease; }

/* Zoom fade */
.msa-ph--slider.msa-ph--tr-zoom .msa-ph__slide { opacity: 0; transform: scale(1.08); }
.msa-ph--slider.msa-ph--tr-zoom .msa-ph__slide.is-leaving { opacity: 1; transform: none; }
.msa-ph--slider.msa-ph--tr-zoom .msa-ph__slide.is-active { opacity: 1; transform: none; transition: opacity var(--msa-ph-speed) ease, transform var(--msa-ph-speed) var(--msa-ph-ease); }

/* Slide */
.msa-ph--slider.msa-ph--tr-slide .msa-ph__slide { transform: translate3d(100%, 0, 0); }
.msa-ph--slider.msa-ph--tr-slide[data-dir="prev"] .msa-ph__slide { transform: translate3d(-100%, 0, 0); }
.msa-ph--slider.msa-ph--tr-slide .msa-ph__slide.is-active { transform: none; transition: transform var(--msa-ph-speed) var(--msa-ph-ease); }
.msa-ph--slider.msa-ph--tr-slide .msa-ph__slide.is-leaving { transform: translate3d(-30%, 0, 0); transition: transform var(--msa-ph-speed) var(--msa-ph-ease); }
.msa-ph--slider.msa-ph--tr-slide[data-dir="prev"] .msa-ph__slide.is-leaving { transform: translate3d(30%, 0, 0); }

/* Wipe */
.msa-ph--slider.msa-ph--tr-wipe .msa-ph__slide { clip-path: inset(0 0 0 100%); }
.msa-ph--slider.msa-ph--tr-wipe[data-dir="prev"] .msa-ph__slide { clip-path: inset(0 100% 0 0); }
.msa-ph--slider.msa-ph--tr-wipe .msa-ph__slide.is-leaving { clip-path: inset(0); }
.msa-ph--slider.msa-ph--tr-wipe .msa-ph__slide.is-active { clip-path: inset(0); transition: clip-path var(--msa-ph-speed) var(--msa-ph-ease); }

/* 7. Ambient effects ------------------------------------------------------ */
.msa-ph__ambient { position: absolute; inset: 0; z-index: 3; pointer-events: none; overflow: hidden; }

.msa-ph__ambient--bubbles i {
	position: absolute;
	bottom: -90px;
	left: var(--x);
	width: var(--s);
	height: var(--s);
	border-radius: 50%;
	background: radial-gradient(circle at 32% 30%, rgba(255, 255, 255, .5), rgba(255, 255, 255, .1) 45%, rgba(255, 255, 255, .04) 70%);
	border: 1px solid rgba(255, 255, 255, .22);
	backdrop-filter: blur(1px);
	opacity: 0;
	animation: msa-ph-bubble var(--w) linear var(--d) infinite;
}
@keyframes msa-ph-bubble {
	0% { transform: translate3d(0, 0, 0); opacity: 0; }
	8% { opacity: .85; }
	35% { transform: translate3d(18px, -40vh, 0); }
	70% { transform: translate3d(-14px, -80vh, 0); opacity: .7; }
	100% { transform: translate3d(8px, -125vh, 0); opacity: 0; }
}

.msa-ph__ambient--caustics span {
	position: absolute;
	inset: -20%;
	mix-blend-mode: soft-light;
	opacity: .6;
	filter: blur(34px);
	background:
		radial-gradient(circle at 20% 30%, rgba(255, 255, 255, .55), transparent 22%),
		radial-gradient(circle at 72% 58%, rgba(34, 211, 216, .6), transparent 26%),
		radial-gradient(circle at 42% 82%, rgba(255, 255, 255, .4), transparent 20%);
	animation: msa-ph-caustics 20s ease-in-out infinite alternate;
}
.msa-ph__ambient--caustics span + span { animation-duration: 27s; animation-direction: alternate-reverse; transform: rotate(180deg); opacity: .4; }
@keyframes msa-ph-caustics {
	33% { translate: 5% -4%; scale: 1.1; }
	66% { translate: -4% 5%; scale: .95; }
	100% { translate: 3% 3%; scale: 1.05; }
}

.msa-ph__ambient--waves svg {
	position: absolute;
	left: 0;
	bottom: -2px;
	width: 200%;
	max-width: none; /* theme caps svg at 100%, which would expose the loop's empty half */
	height: clamp(50px, 8vw, 110px);
	fill: rgba(255, 255, 255, .07);
	animation: msa-ph-wave 22s linear infinite;
}
.msa-ph__ambient--waves svg + svg { height: clamp(36px, 6vw, 80px); fill: rgba(255, 255, 255, .1); animation-duration: 15s; animation-direction: reverse; }
@keyframes msa-ph-wave { to { transform: translate3d(-50%, 0, 0); } }

/* 8. Breadcrumbs ---------------------------------------------------------- */
.msa-ph__crumbs {
	position: absolute;
	z-index: 4;
	top: calc(var(--msa-header-h, 76px) + 1.25rem);
	left: 50%;
	width: min(100% - 2 * var(--msa-gutter, 1.25rem), var(--msa-container, 1240px));
	transform: translateX(-50%);
}
.msa-ph__crumbs ol { display: flex; flex-wrap: wrap; gap: .35rem; margin: 0; padding: 0; list-style: none; font-size: .82rem; }
.msa-ph__crumbs li { color: rgba(255, 255, 255, .65); }
.msa-ph__crumbs a { color: rgba(255, 255, 255, .88); text-decoration: none; }
.msa-ph--align-center .msa-ph__crumbs ol { justify-content: center; }
.msa-ph--align-right .msa-ph__crumbs ol { justify-content: flex-end; }

/* 9. Controls ------------------------------------------------------------- */
/* Static overlay (buttons + key figures) above every slide; slides get extra bottom room for it. */
.msa-ph__extras {
	position: absolute; z-index: 4; left: 0; right: 0; bottom: clamp(4.25rem, 8vw, 5.75rem);
	width: min(100% - 2 * var(--msa-gutter, 1.25rem), var(--msa-container, 1240px)); margin-inline: auto;
}
.msa-ph--has-extras .msa-ph__slide { padding-bottom: clamp(13rem, 20vw, 15rem); }
.msa-hero-extras { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem 2rem; }
@media (max-width: 900px) {
	.msa-ph__extras { position: relative; bottom: auto; padding: 1.5rem 0 4.5rem; }
	.msa-ph--has-extras .msa-ph__slide { padding-bottom: 1.5rem; }
	.msa-ph--has-extras { background: var(--msa-navy-900, #031225); }
}

.msa-ph__controls {
	position: absolute;
	z-index: 5;
	left: 0;
	right: 0;
	bottom: clamp(1.25rem, 3.5vw, 2.25rem);
	display: flex;
	justify-content: center;
	align-items: center;
	gap: .75rem;
	pointer-events: none;
}
.msa-ph__controls > * { pointer-events: auto; }
.msa-ph__controls button {
	appearance: none;
	margin: 0;
	padding: 0;
	border: 0;
	background: none;
	color: #fff;
	cursor: pointer;
}
.msa-ph__controls button:focus-visible { outline: 2px solid var(--msa-aqua, #5eead4); outline-offset: 3px; }

.msa-ph__controls .msa-ph__arrow {
	display: grid;
	place-items: center;
	width: 46px;
	height: 46px;
	border-radius: 50%;
	background: rgba(255, 255, 255, .1);
	border: 1px solid rgba(255, 255, 255, .28);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	transition: background .25s ease, transform .25s var(--msa-ph-ease);
}
.msa-ph__controls .msa-ph__arrow:hover { background: rgba(255, 255, 255, .22); transform: scale(1.06); }

.msa-ph__bar {
	display: flex;
	align-items: center;
	gap: .25rem;
	padding: .3rem .5rem;
	border-radius: 999px;
	background: rgba(0, 0, 0, .22);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}
.msa-ph__dots { display: flex; align-items: center; }
.msa-ph__dot {
	position: relative;
	display: grid;
	place-items: center;
	width: 24px;
	height: 28px;
	transition: width .45s var(--msa-ph-ease);
}
.msa-ph__dot span {
	position: relative;
	display: block;
	width: 8px;
	height: 8px;
	border-radius: 999px;
	overflow: hidden;
	background: rgba(255, 255, 255, .45);
	transition: width .45s var(--msa-ph-ease), background .25s ease;
}
.msa-ph__dot:hover span { background: rgba(255, 255, 255, .8); }
.msa-ph__dot.is-active { width: 48px; }
.msa-ph__dot.is-active span { width: 36px; background: rgba(255, 255, 255, .35); }
.msa-ph__dot.is-active span::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
	background: var(--msa-aqua, #5eead4);
	transform-origin: left;
}
.msa-ph.is-playing .msa-ph__dot.is-active span::after { animation: msa-ph-progress var(--msa-ph-interval) linear both; }
.msa-ph:is(.is-paused, .is-held) .msa-ph__dot.is-active span::after { animation-play-state: paused; }
@keyframes msa-ph-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.msa-ph__pause { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; }
.msa-ph__pause svg { fill: currentColor; }
.msa-ph__pause .i-play, .msa-ph.is-paused .msa-ph__pause .i-pause { display: none; }
.msa-ph.is-paused .msa-ph__pause .i-play { display: block; }

@media (max-width: 600px) {
	.msa-ph__controls .msa-ph__arrow { display: none; }
}

/* 10. Scroll cue + spacer ------------------------------------------------- */
.msa-ph__cue {
	position: absolute;
	z-index: 5;
	left: 50%;
	bottom: 1.4rem;
	width: 26px;
	height: 42px;
	margin-left: -13px;
	border: 2px solid rgba(255, 255, 255, .5);
	border-radius: 999px;
	display: none;
}
.msa-ph__cue span {
	position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px;
	border-radius: 4px; background: #fff; animation: msa-ph-cue 1.8s ease-in-out infinite;
}
@keyframes msa-ph-cue { 60% { transform: translateY(12px); opacity: 0; } 61% { transform: none; opacity: 0; } }
@media (min-width: 1024px) and (min-height: 700px) { .msa-ph__cue { display: block; } }
.msa-ph--slider .msa-ph__cue { left: auto; right: clamp(1.5rem, 3vw, 2.5rem); margin-left: 0; }

.msa-ph-spacer { height: calc(var(--msa-header-h, 76px) + 1.5rem); }

/* 11. Reduced motion ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
	.msa-ph,
	.msa-ph * { animation: none !important; }
	.msa-ph--slider .msa-ph__slide.is-active { transition-duration: .3s !important; }
	.msa-ph__ambient--bubbles,
	.msa-ph__cue span { display: none; }
}

/* 12. Slideshow block (inside content) ------------------------------------ */
.msa-ph--embed {
	margin-block: clamp(1.5rem, 4vw, 2.5rem);
	border-radius: var(--msa-radius-lg, 20px);
}
.msa-ph--embed .msa-ph__slide { padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(5rem, 9vw, 6.5rem); }
.msa-ph--embed .msa-ph__inner { width: calc(100% - 2 * clamp(1.25rem, 4vw, 3rem)); }
.msa-ph--embed .msa-ph__title { font-size: clamp(1.8rem, 4vw, 3.2rem); }
.msa-ph--embed .msa-ph__media::after { background: var(--msa-ph-tint); }

/* 13. Logo carousel -------------------------------------------------------- */
.msa-logos { --msa-logos-gap: clamp(2rem, 5vw, 4rem); margin-block: clamp(1.5rem, 4vw, 2.5rem); text-align: left; }
/* Small label; doubled class beats the theme's `.msa-prose h2` when the strip sits inside article content. */
.msa-logos .msa-logos__title,
.msa-prose .wp-block-heading:has(+ .msa-logos),
.wp-block-heading:has(+ .msa-logos) {
	margin: 0 0 1rem;
	font: 800 1rem/1.2 var(--msa-font-heading, inherit);
	letter-spacing: -.02em;
	text-align: left;
	color: var(--msa-navy-900, #031225);
}
.wp-block-heading + .msa-logos .msa-logos__title { display: none; }
.msa-logos__viewport { display: flex; overflow: hidden; }
.msa-logos__track {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: flex-start;
	gap: var(--msa-logos-gap);
	margin: 0;
	padding: .5rem 0;
	list-style: none;
}
.msa-logos__item { flex: none; margin: 0; }
.msa-logos__img {
	display: block;
	width: auto;
	max-width: 260px;
	height: clamp(72px, 10vw, 110px);
	object-fit: contain;
	transition: filter .3s ease, opacity .3s ease, transform .3s ease;
}
.msa-logos__item a:hover .msa-logos__img,
.msa-logos__item a:focus-visible .msa-logos__img { transform: scale(1.05); }
.msa-logos--gray .msa-logos__img { filter: grayscale(1); opacity: .7; }
.msa-logos--gray .msa-logos__item:hover .msa-logos__img,
.msa-logos--gray .msa-logos__item a:focus-visible .msa-logos__img { filter: none; opacity: 1; }

/* Marquee: two identical tracks slide left together for a seamless loop. */
.msa-logos--scroll .msa-logos__viewport {
	mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
	-webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.msa-logos--scroll .msa-logos__track {
	flex-wrap: nowrap;
	margin: 0;
	padding-right: var(--msa-logos-gap);
	animation: msa-logos-scroll calc(var(--msa-logos-count) * 4s) linear infinite;
}
.msa-logos--scroll .msa-logos__viewport:hover .msa-logos__track,
.msa-logos--scroll .msa-logos__viewport:focus-within .msa-logos__track { animation-play-state: paused; }
@keyframes msa-logos-scroll { to { transform: translate3d(-100%, 0, 0); } }
@media (prefers-reduced-motion: reduce) {
	.msa-logos--scroll .msa-logos__track { animation: none; flex-wrap: wrap; justify-content: flex-start; }
	.msa-logos--scroll .msa-logos__track[aria-hidden="true"] { display: none; }
}