/**
 * Preluence News — Header Engine.
 *
 * Layered on top of the existing header markup. Presets only supply tokens
 * (--pn-hdr-*); this file provides the shared surface, effects, navigation
 * variants, sticky behaviour and entrance animation.
 */

body.pn-hdr .pn-header {
	background: var(--pn-hdr-bg, transparent);
	color: var(--pn-hdr-ink, inherit);
	border-radius: var(--pn-hdr-radius, 0);
	box-shadow: var(--pn-hdr-shadow, none);
	transition: background-color 0.3s var(--pn-ease, ease), box-shadow 0.3s var(--pn-ease, ease), transform 0.3s var(--pn-ease, ease);
}

body.pn-hdr .pn-header a,
body.pn-hdr .pn-header .pn-primary-nav .pn-menu > li > a,
body.pn-hdr .pn-header .pn-menu a,
body.pn-hdr .pn-header .pn-site-title a {
	color: var(--pn-hdr-ink, inherit);
}

body.pn-hdr .pn-header .pn-primary-nav .pn-menu > li > a:hover,
body.pn-hdr .pn-header .pn-primary-nav .pn-menu > .current-menu-item > a,
body.pn-hdr .pn-header .pn-site-description {
	color: var(--pn-hdr-accent, inherit);
}

body.pn-hdr .pn-header .pn-site-description {
	opacity: 0.72;
}

/* ---------- Effects ---------- */

.pn-hdr--fx-glass .pn-header {
	background: color-mix(in srgb, var(--pn-bg, #fff) 78%, transparent);
	-webkit-backdrop-filter: blur(var(--pn-hdr-blur, 14px)) saturate(1.25);
	backdrop-filter: blur(var(--pn-hdr-blur, 14px)) saturate(1.25);
	color: var(--pn-hdr-ink, var(--pn-text));
	border-block-end: 1px solid var(--pn-hdr-border, rgb(100 116 139 / 20%));
}

.pn-hdr--fx-depth .pn-header {
	perspective: 1100px;
}

.pn-hdr--fx-depth .pn-primary-nav .pn-menu > li > a {
	transition: transform 0.2s var(--pn-ease, ease), color 0.2s var(--pn-ease, ease);
}

.pn-hdr--fx-depth .pn-primary-nav .pn-menu > li > a:hover {
	transform: translateY(-1px) rotateX(9deg) translateZ(6px);
}

.pn-hdr--fx-aurora .pn-header::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 0;
	border-radius: inherit;
	background:
		radial-gradient(50% 120% at 12% 10%, color-mix(in srgb, var(--pn-hdr-accent) 55%, transparent), transparent 70%),
		radial-gradient(45% 120% at 88% 90%, color-mix(in srgb, var(--pn-primary) 45%, transparent), transparent 70%);
	opacity: 0.4;
	pointer-events: none;
	animation: pn-hdr-aurora 18s ease-in-out infinite alternate;
}

@keyframes pn-hdr-aurora {

	from {
		transform: translate3d(-2%, 0, 0) scale(1);
	}

	to {
		transform: translate3d(2%, 0, 0) scale(1.05);
	}
}

.pn-hdr--fx-neon .pn-header {
	border-block-end: 1px solid var(--pn-hdr-accent);
	box-shadow: 0 0 26px -8px var(--pn-hdr-accent);
}

.pn-hdr--fx-holo .pn-header::after {
	content: "";
	position: absolute;
	inset-inline: 0;
	inset-block-end: 0;
	height: 2px;
	background: linear-gradient(90deg, #22d3ee, #a855f7, #f472b6, #22d3ee);
	background-size: 300% 100%;
	animation: pn-hdr-holo 8s linear infinite;
	pointer-events: none;
}

@keyframes pn-hdr-holo {

	to {
		background-position: 300% 0;
	}
}

.pn-hdr--fx-mesh .pn-header {
	background-image:
		radial-gradient(40% 120% at 8% 0%, color-mix(in srgb, var(--pn-hdr-accent) 22%, transparent), transparent 70%),
		radial-gradient(35% 120% at 92% 100%, color-mix(in srgb, var(--pn-primary) 18%, transparent), transparent 70%);
	background-color: var(--pn-hdr-bg, transparent);
}

.pn-hdr--fx-overlay .pn-header {
	background: linear-gradient(to bottom, rgb(0 0 0 / 48%), transparent);
	border-block-end: 0;
}

.pn-hdr--fx-overlay .pn-header a,
.pn-hdr--fx-overlay .pn-header .pn-site-title a {
	color: #fff;
}

.pn-hdr--fx-noise .pn-header::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 0;
	opacity: 0.045;
	pointer-events: none;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='90'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='90' height='90' filter='url(%23n)'/%3E%3C/svg%3E");
}

.pn-hdr--fx-floating .pn-header {
	max-width: min(calc(var(--pn-container, 1280px) + 2rem), calc(100% - 1.5rem));
	margin: 10px auto 0;
	box-shadow: var(--pn-hdr-shadow, 0 18px 40px -24px rgb(11 16 32 / 60%));
}

.pn-hdr--fx-glow .pn-header {
	box-shadow: 0 0 26px -10px var(--pn-hdr-accent);
}

/* ---------- Navigation variants ---------- */

.pn-hdr--nav-center .pn-header__nav-inner,
.pn-hdr--nav-split .pn-header__brand-inner {
	justify-content: center;
}

.pn-hdr--nav-center .pn-primary-nav,
.pn-hdr--nav-split .pn-primary-nav {
	flex: 1 1 auto;
}

.pn-hdr--nav-center .pn-primary-nav .pn-menu,
.pn-hdr--nav-split .pn-primary-nav .pn-menu {
	justify-content: center;
}

.pn-hdr--nav-split .pn-header__brand-row {
	text-align: center;
}

/* ---------- Sticky behaviour ---------- */

.pn-hdr--sticky-always .pn-sticky-target,
.pn-hdr--sticky-scroll .pn-sticky-target,
.pn-hdr--sticky-smart .pn-sticky-target,
.pn-hdr--sticky-compact .pn-sticky-target {
	position: sticky;
	inset-block-start: 0;
	z-index: 50;
	transition: transform 0.28s var(--pn-ease, ease), background-color 0.28s var(--pn-ease, ease), padding 0.28s var(--pn-ease, ease), box-shadow 0.28s var(--pn-ease, ease);
}

.pn-hdr--sticky-smart .pn-header.is-hdr-hidden .pn-sticky-target {
	transform: translateY(-100%);
}

.pn-hdr--sticky-always .pn-header.is-hdr-stuck,
.pn-hdr--sticky-scroll .pn-header.is-hdr-stuck,
.pn-hdr--sticky-smart .pn-header.is-hdr-stuck,
.pn-hdr--sticky-compact .pn-header.is-hdr-stuck {
	box-shadow: var(--pn-hdr-shadow, 0 12px 34px -20px rgb(11 16 32 / 55%));
}

.pn-hdr--sticky-compact .pn-header.is-hdr-compact .pn-header__brand-row {
	padding-block: 0.2rem;
}

.pn-hdr--sticky-compact .pn-header.is-hdr-compact .pn-site-title {
	font-size: clamp(1.1rem, 2.4vw, 1.6rem);
}

.pn-hdr--sticky-compact .pn-header.is-hdr-compact .pn-site-description {
	display: none;
}

/* ---------- Entrance animation ---------- */

.pn-hdr--anim-fade .pn-header,
.pn-hdr--anim-fade-up .pn-header,
.pn-hdr--anim-slide .pn-header,
.pn-hdr--anim-scale .pn-header,
.pn-hdr--anim-cinematic .pn-header {
	opacity: 0;
	transition: opacity 0.6s var(--pn-ease, ease), transform 0.6s var(--pn-ease, ease);
}

.pn-hdr--anim-fade-up .pn-header,
.pn-hdr--anim-cinematic .pn-header {
	transform: translateY(-14px);
}

.pn-hdr--anim-slide .pn-header {
	transform: translateY(-100%);
}

.pn-hdr--anim-scale .pn-header {
	transform: scale(0.985);
}

.pn-hdr.is-hdr-in .pn-header {
	opacity: 1;
	transform: none;
}

.pn-hdr--intensity-strong.pn-hdr--anim-fade-up .pn-header {
	transform: translateY(-26px);
}

.pn-hdr--intensity-strong.pn-hdr--anim-scale .pn-header {
	transform: scale(0.96);
}

/* Keep the tinted/glass header readable in dark mode. */
:root[data-color-scheme="dark"] .pn-hdr--fx-glass .pn-header {
	background: color-mix(in srgb, #0b1020 78%, transparent);
	color: #e7eaee;
}

/* ---------- Identity ---------- */

.pn-branding {
	display: flex;
	flex-direction: column;
	justify-content: center;
	min-width: 0;
}

.pn-branding--logo-left {
	flex-direction: row;
	align-items: center;
}

.pn-branding--logo-left .pn-branding__logo {
	margin-inline-end: 0.6rem;
}

.pn-branding--logo-top,
.pn-branding--centered {
	align-items: center;
	text-align: center;
}

.pn-branding--centered {
	margin-inline: auto;
}

.pn-branding__logo {
	display: flex;
	align-items: center;
	gap: 0.4rem;
}

.pn-branding__logo img {
	display: block;
	width: auto;
	height: auto;
	max-width: var(--pn-logo-max-w, 100%);
	max-height: var(--pn-logo-max-h, 72px);
}

.pn-logo-variant {
	display: none;
}

.pn-site-title--gradient a {
	background: linear-gradient(90deg, var(--pn-grad-from, #6d28d9), var(--pn-grad-to, #0891b2));
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
	color: transparent;
}

/* Variant visibility (body carries pn-has-*-logo when a variant exists). */
:root[data-color-scheme="dark"] .pn-has-dark-logo .pn-logo--dark,
.pn-has-dark-logo.pn-hdr--tone-dark .pn-logo--dark {
	display: inline-flex;
}

:root[data-color-scheme="dark"] .pn-has-dark-logo .pn-branding__logo .custom-logo-link,
.pn-has-dark-logo.pn-hdr--tone-dark .pn-branding__logo .custom-logo-link {
	display: none;
}

.pn-has-sticky-logo .pn-header.is-hdr-stuck .pn-logo--sticky {
	display: inline-flex;
}

.pn-has-sticky-logo .pn-header.is-hdr-stuck .pn-branding__logo .custom-logo-link {
	display: none;
}

/* ---------- Header components & secondary row ---------- */

.pn-hdr-comp {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
}

.pn-hdr-spacer {
	flex: 1 1 auto;
}

.pn-hdr-cta {
	padding: 0.35rem 0.85rem;
	border-radius: var(--pn-radius, 6px);
	background: var(--pn-hdr-accent, var(--pn-primary));
	color: var(--pn-on-primary, #fff);
	font-weight: 700;
	text-decoration: none;
}

.pn-clock {
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.02em;
}

.pn-topbar__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

.pn-topbar__side {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem;
}

.pn-topbar__side--right {
	margin-inline-start: auto;
}

.pn-header__secondary {
	border-block-start: 1px solid var(--pn-hdr-border, var(--pn-border, rgb(100 116 139 / 20%)));
}

.pn-header__secondary-inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1rem;
	padding-block: 0.4rem;
}

.pn-header__secondary .pn-menu {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
}

/* ---------- Live / breaking indicator ---------- */

.pn-live {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	color: var(--pn-live-color, #d92d20);
	font-family: var(--pn-font-ui, sans-serif);
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.pn-live__dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--pn-live-color, #d92d20);
}

.pn-live--badge {
	padding: 0.15rem 0.5rem;
	border-radius: 999px;
	background: var(--pn-live-color, #d92d20);
	color: #fff;
}

.pn-live--badge .pn-live__dot {
	background: #fff;
}

.pn-live--pulse .pn-live__dot {
	animation: pn-live-pulse 1.4s ease-in-out infinite;
}

.pn-live--glow {
	text-shadow: 0 0 12px color-mix(in srgb, var(--pn-live-color, #d92d20) 70%, transparent);
}

.pn-live--glow .pn-live__dot {
	box-shadow: 0 0 12px var(--pn-live-color, #d92d20);
}

@keyframes pn-live-pulse {

	50% {
		opacity: 0.25;
	}
}

/* ---------- Header background / visual field ---------- */

.pn-hbg--image .pn-header,
.pn-hbg--atmospheric .pn-header {
	background-image:
		linear-gradient(rgb(6 8 14 / var(--pn-hbg-overlay, 0.45)), rgb(6 8 14 / var(--pn-hbg-overlay, 0.45))),
		var(--pn-hbg-image, none);
	background-position: center;
	background-size: cover;
}

.pn-hbg--image .pn-header,
.pn-hbg--mesh .pn-header,
.pn-hbg--atmospheric .pn-header {
	color: var(--pn-hdr-ink, #fff);
}

.pn-hbg--mesh .pn-header {
	background-image:
		radial-gradient(40% 130% at 12% 0%, color-mix(in srgb, var(--pn-hdr-accent, var(--pn-primary)) 30%, transparent), transparent 70%),
		radial-gradient(40% 130% at 88% 100%, color-mix(in srgb, var(--pn-primary) 26%, transparent), transparent 70%);
}

.pn-hbg--fx-parallax .pn-header {
	background-attachment: fixed;
}

.pn-hbg--fx-kenburns .pn-header {
	background-size: cover;
	animation: pn-hbg-ken 24s ease-in-out infinite alternate;
}

@keyframes pn-hbg-ken {

	from {
		background-position: 50% 38%;
	}

	to {
		background-position: 50% 62%;
	}
}

.pn-hbg--fx-noise .pn-header::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 0;
	opacity: 0.05;
	pointer-events: none;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='90'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='90' height='90' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

	.pn-live__dot,
	.pn-hbg--fx-kenburns .pn-header {
		animation: none !important;
	}
}

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

	body.pn-hdr .pn-header,
	.pn-hdr .pn-sticky-target,
	.pn-hdr--fx-aurora .pn-header::before,
	.pn-hdr--fx-holo .pn-header::after {
		animation: none !important;
		transition: none !important;
	}

	.pn-hdr--anim-fade .pn-header,
	.pn-hdr--anim-fade-up .pn-header,
	.pn-hdr--anim-slide .pn-header,
	.pn-hdr--anim-scale .pn-header,
	.pn-hdr--anim-cinematic .pn-header {
		opacity: 1;
		transform: none;
	}
}