/* ============================================================
	 READINGGLASSES.COM HERO
	 Fully scoped desktop + tablet + mobile
	 Requires: <body class="page-readingglasses">
	 ============================================================ */

.page-readingglasses .rg-hero {
	position: relative;
	margin: 0;
	background: var(--bg);
	border-bottom: 1px solid var(--rule);
}

.page-readingglasses .rg-hero__grid {
	position: relative;
	display: grid;
	grid-template-columns: 24fr 32fr 44fr;
	min-height: clamp(460px, 62vw, 760px);
	overflow: clip;
	background:
		linear-gradient(
			to bottom,
			color-mix(in srgb, var(--bg) 96%, white 4%),
			color-mix(in srgb, var(--bg-alt) 88%, white 12%)
		);
}

.page-readingglasses .rg-hero__era {
	position: relative;
	min-width: 0;
	overflow: hidden;
	border-right: 1px solid color-mix(in srgb, var(--rule) 85%, transparent);
}

.page-readingglasses .rg-hero__era:last-of-type {
	border-right: none;
}

.page-readingglasses .rg-hero__image {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transform: scale(1);
	transition: transform var(--ease-slow);
}

.page-readingglasses .rg-hero:hover .rg-hero__image {
	transform: scale(1.02);
}

/* Per-era crop tuning */
.page-readingglasses .rg-hero__era--2008 .rg-hero__image {
	object-position: 10% top;
	filter: saturate(0.78) contrast(0.96) brightness(0.97);
}

.page-readingglasses .rg-hero__era--2017 .rg-hero__image {
	object-position: 50% top;
	filter: saturate(0.9) contrast(0.98);
}

.page-readingglasses .rg-hero__era--2026 .rg-hero__image {
	object-position: 50% top;
	filter: saturate(1) contrast(1);
}

.page-readingglasses .rg-hero__era::after {
	content: "";
	position: absolute;
	inset: 0;
	background:
		linear-gradient(
			to bottom,
			color-mix(in srgb, black 6%, transparent) 0%,
			transparent 20%,
			transparent 72%,
			color-mix(in srgb, black 20%, transparent) 100%
		);
	pointer-events: none;
}

.page-readingglasses .rg-hero__era-label {
	position: absolute;
	top: var(--space-5);
	left: var(--space-5);
	z-index: 2;
	display: inline-flex;
	align-items: center;
	padding: 0.4rem 0.65rem;
	background: color-mix(in srgb, var(--bg) 82%, transparent);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border: 1px solid color-mix(in srgb, var(--rule) 80%, transparent);
	font-size: var(--text-xs);
	font-weight: 600;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--text);
}

.page-readingglasses .rg-hero__overlay {
	position: absolute;
	left: clamp(1rem, 2vw, 2rem);
	bottom: clamp(1rem, 2.5vw, 2rem);
	z-index: 4;
	width: min(34rem, calc(100% - 2rem));
	padding: clamp(1rem, 2vw, 1.5rem);
	background: color-mix(in srgb, var(--bg) 90%, transparent);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border: 1px solid color-mix(in srgb, var(--rule) 86%, transparent);
	box-shadow: 0 12px 32px color-mix(in srgb, black 12%, transparent);
}

.page-readingglasses .rg-hero__kicker {
	margin-bottom: var(--space-3);
	font-size: var(--text-xs);
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--text-muted);
}

.page-readingglasses .rg-hero__heading {
	margin-bottom: var(--space-4);
	font-family: var(--font-display);
	font-size: clamp(1.8rem, 1.2rem + 2vw, 3rem);
	font-style: italic;
	font-weight: 500;
	line-height: 1.02;
	color: var(--text);
}

.page-readingglasses .rg-hero__text {
	max-width: 42ch;
	margin-bottom: var(--space-4);
	font-size: var(--text-sm);
	line-height: 1.65;
	color: var(--text-muted);
}

.page-readingglasses .rg-hero__timeline {
	font-size: var(--text-xs);
	font-weight: 600;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--text);
}

.page-readingglasses .rg-hero__card {
	position: absolute;
	right: clamp(1rem, 2vw, 2rem);
	bottom: clamp(1rem, 2.5vw, 2rem);
	z-index: 5;
	width: min(24vw, 280px);
	min-width: 180px;
	overflow: hidden;
	background: var(--surface);
	border: 1px solid color-mix(in srgb, var(--rule) 82%, transparent);
	box-shadow:
		0 4px 12px color-mix(in srgb, black 10%, transparent),
		0 18px 42px color-mix(in srgb, black 18%, transparent);
}

.page-readingglasses .rg-hero__card-image {
	display: block;
	width: 100%;
	height: auto;
}

.page-readingglasses .rg-hero__card-meta {
	display: flex;
	justify-content: space-between;
	gap: var(--space-3);
	padding: 0.75rem 0.9rem;
	border-top: 1px solid var(--rule);
	background: color-mix(in srgb, var(--surface) 90%, white 10%);
}

.page-readingglasses .rg-hero__card-kicker,
.page-readingglasses .rg-hero__card-title {
	font-size: 0.7rem;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.page-readingglasses .rg-hero__card-kicker {
	color: var(--text-faint);
}

.page-readingglasses .rg-hero__card-title {
	color: var(--text);
}

.page-readingglasses .rg-hero__caption {
	max-width: 80ch;
	margin: 0 auto;
	padding: var(--space-5) var(--gutter) var(--space-6);
	font-size: var(--text-xs);
	line-height: 1.6;
	color: var(--text-faint);
}

/* Optional wireframe texture layer */
/*
.page-readingglasses .rg-hero__grid::before {
	content: "";
	position: absolute;
	inset: auto 0 0 0;
	height: 30%;
	background:
		linear-gradient(to top, color-mix(in srgb, var(--bg) 30%, transparent), transparent),
		url("../img/primer-2019-wireframe-v7-2x.jpg") center bottom / cover no-repeat;
	opacity: 0.08;
	pointer-events: none;
	z-index: 1;
}
*/

/* ==============================
	 TABLET
================================= */
@media (max-width: 980px) {
	.page-readingglasses .rg-hero__grid {
		grid-template-columns: 1fr 1fr 1.15fr;
		min-height: 560px;
	}

	.page-readingglasses .rg-hero__overlay {
		width: min(28rem, calc(100% - 2rem));
		padding: 1rem 1.1rem;
	}

	.page-readingglasses .rg-hero__heading {
		font-size: clamp(1.65rem, 1.1rem + 1.8vw, 2.4rem);
	}

	.page-readingglasses .rg-hero__card {
		width: min(28vw, 220px);
		min-width: 160px;
	}

	.page-readingglasses .rg-hero__era-label {
		top: var(--space-4);
		left: var(--space-4);
	}
}

/* ==============================
	 MOBILE
================================= */
@media (max-width: 700px) {
	.page-readingglasses .rg-hero__grid {
		display: grid;
		grid-template-columns: 1fr;
		min-height: auto;
		background: var(--bg);
	}

	.page-readingglasses .rg-hero__era {
		height: 180px;
		border-right: none;
		border-bottom: 1px solid color-mix(in srgb, var(--rule) 85%, transparent);
	}

	.page-readingglasses .rg-hero__era--2026 {
		height: 220px;
	}

	.page-readingglasses .rg-hero__image {
		width: 100%;
		height: 100%;
		object-fit: cover;
	}

	.page-readingglasses .rg-hero__overlay {
		position: relative;
		left: auto;
		bottom: auto;
		width: auto;
		margin: 0;
		padding: var(--space-6) var(--space-4);
		background: var(--surface);
		backdrop-filter: none;
		-webkit-backdrop-filter: none;
		border: none;
		border-bottom: 1px solid var(--rule);
		box-shadow: none;
	}

	.page-readingglasses .rg-hero__heading {
		font-size: clamp(1.45rem, 6vw, 2rem);
		line-height: 1.08;
	}

	.page-readingglasses .rg-hero__text {
		max-width: 100%;
		font-size: var(--text-sm);
	}

	.page-readingglasses .rg-hero__timeline {
		letter-spacing: 0.1em;
	}

	.page-readingglasses .rg-hero__card {
		position: relative;
		right: auto;
		bottom: auto;
		width: auto;
		min-width: 0;
		margin: var(--space-4);
	}

	.page-readingglasses .rg-hero__caption {
		padding: var(--space-4);
	}
}

/* ==============================
	 SMALL MOBILE
================================= */
@media (max-width: 480px) {
	.page-readingglasses .rg-hero__era {
		height: 150px;
	}

	.page-readingglasses .rg-hero__era--2026 {
		height: 180px;
	}

	.page-readingglasses .rg-hero__era-label {
		top: 0.75rem;
		left: 0.75rem;
		padding: 0.3rem 0.5rem;
	}

	.page-readingglasses .rg-hero__overlay {
		padding: var(--space-5) var(--space-4);
	}

	.page-readingglasses .rg-hero__heading {
		font-size: 1.4rem;
	}

	.page-readingglasses .rg-hero__card {
		display: none;
	}
}