/*
 * LDTVN shared typography layer.
 *
 * This file owns type scale, weight and text colour only. Component styles
 * continue to own spacing, sizing and layout so typography can be aligned
 * without changing the page composition.
 */
:root {
	--ldtvn-type-display: clamp(2rem, 3.2vw, 3.25rem);
	--ldtvn-type-heading: clamp(1.75rem, 2.4vw, 2.25rem);
	--ldtvn-type-subheading: clamp(1.15rem, 1.5vw, 1.35rem);
	--ldtvn-type-body: 0.9375rem;
	--ldtvn-type-small: 0.75rem;
	--ldtvn-type-label: 0.6875rem;
	--ldtvn-weight-regular: 400;
	--ldtvn-weight-medium: 500;
	--ldtvn-weight-semibold: 600;
	--ldtvn-weight-bold: 700;
	--ldtvn-type-muted: #63758a;
	--ldtvn-type-soft: #718096;
}

/* Shared page headings. Hero/display treatments remain component-specific. */
.ldtvn-about h2,
.ldtvn-about h3,
.ldtvn-brands-page h2,
.ldtvn-brands-page h3,
.ldtvn-contact-page h2,
.ldtvn-contact-page h3,
.ldtvn-documents-page h2,
.ldtvn-documents-page h3,
.ldtvn-policy-page h2,
.ldtvn-policy-page h3,
.ldtvn-request-page h2,
.ldtvn-request-page h3 {
	font-family: var(--ldtvn-display);
	font-weight: var(--ldtvn-weight-semibold);
	letter-spacing: -0.035em;
	line-height: 1.18;
}

/* News and article reading surfaces. */
.ldtvn-news-section__title,
.ldtvn-all-news__sidebar h2,
.ldtvn-all-news__heading h1,
.ldtvn-article__related-heading h2 {
	font-weight: var(--ldtvn-weight-semibold);
	letter-spacing: -0.035em;
	line-height: 1.18;
}

.ldtvn-news-card__title,
.ldtvn-all-news-card h2,
.ldtvn-article__related-card h3 {
	font-family: var(--ldtvn-body);
	font-weight: var(--ldtvn-weight-semibold);
	letter-spacing: -0.015em;
	line-height: 1.4;
}

.ldtvn-news-card__meta,
.ldtvn-all-news-card__byline,
.ldtvn-article__meta,
.ldtvn-article__aside-title {
	font-size: var(--ldtvn-type-small);
	font-weight: var(--ldtvn-weight-medium);
	line-height: 1.45;
}

/* Catalog pages share the same hierarchy as the homepage platform cards. */
.ldtvn-catalog h2,
.ldtvn-catalog h3 {
	font-family: var(--ldtvn-display);
	font-weight: var(--ldtvn-weight-semibold);
	letter-spacing: -0.03em;
	line-height: 1.22;
}

.ldtvn-products-category-card h3,
.ldtvn-platform-category-card h2,
.ldtvn-catalog-card-copy h2 {
	font-weight: var(--ldtvn-weight-semibold);
}

.ldtvn-products-explorer__header h1,
.ldtvn-products-hero h1,
.ldtvn-catalog-intro h1,
.ldtvn-category-intro h1,
.ldtvn-family-content h1,
.ldtvn-catalog[data-catalog-page="platform"] .ldtvn-platform-intro h1 {
	font-weight: var(--ldtvn-weight-semibold);
	letter-spacing: -0.04em;
	line-height: 1.12;
}

.ldtvn-platform-guides > h2,
.ldtvn-platform-news__header h2,
.ldtvn-family-technical__header h2,
.ldtvn-family-interest__header h2,
.ldtvn-family-related__header h2,
.ldtvn-family-faq__header h2,
.ldtvn-family-platform-news__header h2,
.ldtvn-products-latest-news__header h2 {
	font-weight: var(--ldtvn-weight-semibold);
	letter-spacing: -0.03em;
	line-height: 1.2;
}

.ldtvn-products-category-card p,
.ldtvn-platform-category-card__copy > p,
.ldtvn-catalog-card-copy > p:not(.ldtvn-catalog-card-kicker) {
	color: var(--ldtvn-type-muted);
	font-size: var(--ldtvn-type-small);
	line-height: 1.6;
}

/* Keep footer text in the same neutral/body scale as the content pages. */
.ldtvn-site-footer:not(.ldtvn-site-footer--v2):not(.ldtvn-site-footer--v3) {
	font-family: var(--ldtvn-body);
	font-size: var(--ldtvn-type-body);
	line-height: 1.65;
}

.ldtvn-footer-heading {
	font-size: var(--ldtvn-type-label);
	font-weight: var(--ldtvn-weight-bold);
	letter-spacing: 0.12em;
	line-height: 1.4;
}

/* Homepage prose follows the approved platform explorer rhythm. */
.ldtvn-home .ldtvn-values-impact__principle h3 {
	font-weight: var(--ldtvn-weight-semibold);
	letter-spacing: -0.025em;
	line-height: 1.3;
}

.ldtvn-home .ldtvn-values-impact__principle p {
	color: var(--ldtvn-type-muted);
	font-size: var(--ldtvn-type-body);
	line-height: 1.62;
}

.ldtvn-home .ldtvn-article__support h2 {
	font-weight: var(--ldtvn-weight-semibold);
	letter-spacing: -0.025em;
}

.ldtvn-home .ldtvn-article__support-copy p {
	color: var(--ldtvn-type-muted);
	font-size: var(--ldtvn-type-small);
	line-height: 1.55;
}

.ldtvn-home-latest-card h3 {
	font-weight: var(--ldtvn-weight-semibold);
	letter-spacing: -0.015em;
	line-height: 1.4;
}

@media (max-width: 680px) {
	.ldtvn-home .ldtvn-values-impact__principle p {
		font-size: 0.875rem;
		line-height: 1.62;
	}
}