/**
 * Treatment story landings — black page, white header, modern protocol UI.
 */

.k4-story-page {
	--k4-rx-orange: #fc4827;
	--k4-rx-orange-2: #ff6a4a;
	--k4-rx-cream: #f4efe8;
	--k4-rx-ink: #111111;
	background: #070707;
	color: #f4efe8;
}

.k4-story-page .k4-top-header,
.k4-story-page .k4-top-header.is-scrolled {
	background: rgba(255, 255, 255, 0.97);
	color: #111;
}

.k4-story-page .k4-top-header .k4-fx__btn {
	background: #fff;
	border-color: rgba(17, 17, 17, 0.1);
	color: #111;
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.k4-story-page .k4-top-header .k4-fx__flag {
	background: #f4f4f4;
}

.k4-story-page .k4-top-header .k4-fx__panel,
.k4-story-page .k4-top-header .k4-fx__option {
	background: #fff;
	color: #111;
}

.k4-rx-notices {
	max-width: 1280px;
	margin: 0 auto;
	padding: 1rem 1.25rem 0;
}

.k4-rx-notices .woocommerce-message,
.k4-rx-notices .woocommerce-info {
	background: #fff;
	color: #111;
	border-radius: 14px;
}

.k4-rx-hero {
	display: grid;
	gap: 2.5rem;
	align-items: center;
	max-width: 1280px;
	margin: 0 auto;
	padding: 2.5rem 1.25rem 4rem;
}

.k4-rx-crumb {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
	margin: 0 0 1.25rem;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: rgba(244, 239, 232, 0.55);
}

.k4-rx-crumb a:hover {
	color: var(--k4-rx-orange);
}

.k4-rx-kicker {
	margin: 0 0 0.85rem;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--k4-rx-orange);
}

.k4-rx-title {
	margin: 0 0 1.1rem;
	font-size: clamp(2.1rem, 5.4vw, 4.4rem);
	line-height: 0.98;
	letter-spacing: -0.045em;
	font-weight: 700;
	color: #fff;
	max-width: 18ch;
}

.k4-rx-lead {
	margin: 0 0 1.5rem;
	max-width: 42rem;
	font-size: 1.05rem;
	line-height: 1.7;
	color: rgba(244, 239, 232, 0.78);
}

.k4-rx-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin: 0 0 1.5rem;
}

.k4-rx-meta li {
	padding: 0.4rem 0.75rem;
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: 999px;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: rgba(244, 239, 232, 0.8);
}

.k4-rx-price {
	margin: 0 0 1.25rem;
	font-size: 1.65rem;
	font-weight: 700;
	letter-spacing: -0.03em;
	color: #fff;
}

.k4-rx-price del {
	opacity: 0.45;
	margin-right: 0.4rem;
}

.k4-rx-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin: 0 0 1.5rem;
}

.k4-rx-cart {
	margin: 0;
}

.k4-rx-btn {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.65rem;
	min-height: 56px;
	padding: 0 1.6rem;
	border-radius: 999px;
	border: 1px solid transparent;
	font-family: inherit;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	text-decoration: none;
	cursor: pointer;
	transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.k4-rx-btn--primary {
	background: linear-gradient(180deg, #ff6a4a 0%, #fc4827 48%, #d9361a 100%);
	color: #fff !important;
	box-shadow: 0 16px 36px rgba(252, 72, 39, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.k4-rx-btn--primary i {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: #fff;
	box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.18);
}

.k4-rx-btn--primary::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(110deg, transparent 35%, rgba(255, 255, 255, 0.38) 50%, transparent 65%);
	transform: translateX(-120%);
	transition: transform 0.7s ease;
	z-index: -1;
}

.k4-rx-btn--primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 22px 40px rgba(252, 72, 39, 0.48);
	color: #fff !important;
}

.k4-rx-btn--primary:hover::after {
	transform: translateX(120%);
}

.k4-rx-btn--download {
	background: #fff;
	color: #111 !important;
	box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
}

.k4-rx-btn--download:hover {
	background: #111;
	color: #fff !important;
	transform: translateY(-2px);
}

.k4-rx-btn--ghost {
	background: transparent;
	color: #fff !important;
	border-color: rgba(255, 255, 255, 0.22);
}

.k4-rx-btn--ghost:hover {
	background: #fff;
	color: #111 !important;
	border-color: #fff;
}

.k4-rx-trust {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem 1.5rem;
	font-size: 12px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: rgba(244, 239, 232, 0.5);
}

.k4-rx-trust li {
	position: relative;
	padding-left: 0.9rem;
}

.k4-rx-trust li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0.45em;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--k4-rx-orange);
}

.k4-rx-hero__media {
	position: relative;
	margin: 0;
	min-height: 420px;
	border-radius: 32px;
	background:
		radial-gradient(circle at 70% 20%, rgba(252, 72, 39, 0.22), transparent 42%),
		radial-gradient(circle at 30% 80%, rgba(255, 255, 255, 0.08), transparent 46%),
		linear-gradient(160deg, #161616 0%, #0b0b0b 100%);
	border: 1px solid rgba(255, 255, 255, 0.08);
	display: grid;
	place-items: center;
	padding: 2rem;
	overflow: hidden;
}

.k4-rx-hero__media::before {
	content: "";
	position: absolute;
	width: 70%;
	aspect-ratio: 1;
	border-radius: 50%;
	background: rgba(252, 72, 39, 0.12);
	filter: blur(40px);
}

.k4-rx-bottle {
	position: relative;
	z-index: 1;
	width: min(100%, 420px);
	height: auto;
	max-height: 560px;
	object-fit: contain;
	filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.45));
}

.k4-rx-hero__media figcaption {
	position: absolute;
	right: 1.25rem;
	bottom: 1.25rem;
	z-index: 1;
	font-size: 11px;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.55);
}

.k4-rx-actives {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.75rem;
	padding: 0 1.25rem 3rem;
}

.k4-rx-actives span {
	padding: 0.65rem 1rem;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(255, 255, 255, 0.1);
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.k4-rx-article {
	max-width: 920px;
	margin: 0 auto;
	padding: 0 1.25rem 2.25rem;
}

.k4-rx-article__card {
	background: #fff;
	color: #222;
	border-radius: 24px;
	padding: clamp(1.5rem, 4vw, 2.75rem) clamp(1.35rem, 4vw, 2.5rem);
	box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.k4-rx-article__card h2 {
	margin: 0 0 1rem;
	color: #111;
	font-size: clamp(1.5rem, 3vw, 2rem);
	letter-spacing: -0.03em;
}

.k4-rx-article__card .k4-rx-kicker {
	color: #fc4827;
}

.k4-rx-article__body {
	color: #444;
	font-size: 1.05rem;
	line-height: 1.75;
}

.k4-rx-article__body p {
	margin: 0 0 1rem;
}

.k4-rx-article__body p:last-child {
	margin-bottom: 0;
}

.k4-rx-article__body strong {
	color: #111;
}

.k4-rx-lineup {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 1.25rem 4.5rem;
}

.k4-rx-section-head {
	margin-bottom: 1.75rem;
}

.k4-rx-section-head h2 {
	margin: 0;
	font-size: clamp(1.6rem, 3vw, 2.4rem);
	letter-spacing: -0.03em;
	line-height: 1.15;
	color: #fff;
}

.k4-rx-benefits__grid {
	display: grid;
	gap: 1rem;
}

.k4-rx-benefits__grid article {
	padding: 1.4rem 1.35rem;
	border-radius: 22px;
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid rgba(255, 255, 255, 0.08);
}

.k4-rx-benefits__grid h3 {
	margin: 0 0 0.45rem;
	font-size: 1.05rem;
	color: #fff;
}

.k4-rx-benefits__grid p {
	margin: 0;
	color: rgba(244, 239, 232, 0.68);
	line-height: 1.6;
}

.k4-rx-ritual ol {
	display: grid;
	gap: 0.75rem;
	margin: 0;
	padding: 0;
	list-style: none;
	counter-reset: none;
}

.k4-rx-ritual li {
	display: flex;
	align-items: center;
	gap: 1rem;
	padding: 1rem 1.15rem;
	border-radius: 18px;
	background: #111;
	border: 1px solid rgba(255, 255, 255, 0.08);
	font-weight: 600;
}

.k4-rx-ritual li span {
	flex: 0 0 auto;
	width: 42px;
	height: 42px;
	border-radius: 50%;
	display: grid;
	place-items: center;
	background: var(--k4-rx-orange);
	color: #fff;
	font-size: 12px;
	letter-spacing: 0.06em;
}

.k4-rx-lineup__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 0.75rem;
}

.k4-rx-lineup__grid a {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 72px;
	padding: 0 1.15rem;
	border-radius: 18px;
	background: #fff;
	color: #111 !important;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	font-size: 13px;
	transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.k4-rx-lineup__grid a::after {
	content: "→";
	font-weight: 400;
}

.k4-rx-lineup__grid a:hover {
	background: var(--k4-rx-orange);
	color: #fff !important;
	transform: translateY(-2px);
}

@media (min-width: 768px) {
	.k4-rx-benefits__grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.k4-rx-lineup__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

@media (min-width: 1024px) {
	.k4-rx-hero {
		grid-template-columns: 1.05fr 0.95fr;
		padding: 3.5rem 2.5rem 5rem;
		gap: 3.5rem;
	}

	.k4-rx-hero__media {
		min-height: 620px;
	}

	.k4-rx-benefits__grid {
		grid-template-columns: repeat(4, 1fr);
	}
}

@media (max-width: 1024px) {
	.k4-story-page .k4-nav-sheet {
		background: #fff;
	}
}