/**
 * @filepath /assets/css/articles.css
 *
 * Articles Page Stylesheet — Vanguardist
 *
 * @package Vanguardist
 *
 * TABLE OF CONTENTS
 * ─────────────────────────────────────────────
 * 1. Articles Design Tokens
 * 2. Articles Hero
 * 3. Field Guide Cards
 * 4. Purpose Section
 * 5. CTA Section
 * 6. Responsive
 * 7. Dark Mode
 * ─────────────────────────────────────────────
 */
/* ================================================================================================
   1. ARTICLES DESIGN TOKENS
   ================================================================================================ */ :root {
  --articles-paper: #fbfaf4;
  --articles-paper-soft: #f4f7f2;
  --articles-ink: var(--color-primary-500);
  --articles-ink-dark: #053f45;
  --articles-mint: var(--color-primary-100);
  --articles-gold: var(--color-primary-600);
  --articles-burgundy: var(--color-primary-900);
  --articles-border: rgba(var(--color-primary-500-rgb), 0.16);
  --articles-shadow: 0 1.25rem 3rem rgba(5, 63, 69, 0.13);
  --articles-shadow-soft: 0 0.75rem 2rem rgba(5, 63, 69, 0.08);
  --articles-radius-lg: 1.5rem;
  --articles-radius-md: 1rem;
  --articles-radius-sm: 0.7rem;
}
.articles-page {
  color: var(--color-text-primary);
  background: var(--articles-paper);
}
.articles-page a {
  text-underline-offset: 0.2em;
}
.articles-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--articles-burgundy);
  font-family: var(--font-family-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1;
  text-transform: uppercase;
}
.articles-eyebrow::after {
  content: "";
  display: inline-block;
  width: 2.5rem;
  height: 0.125rem;
  background: var(--articles-gold);
}
/* Decorative SVG icon masks
   Source icons are stored in /assets/images/articles/common/
   Colours are controlled per section below. */
.article-svg {
  display: inline-block;
  flex: 0 0 auto;
  width: 1.375rem;
  height: 1.375rem;
  background-color: var(--article-icon-color, currentColor);
  -webkit-mask-image: var(--article-icon);
  mask-image: var(--article-icon);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}
/* Icon source files */
.article-svg--idea {
  --article-icon: url("/assets/images/articles/common/idea.svg");
}
.article-svg--book {
  --article-icon: url("/assets/images/articles/common/book.svg");
}
.article-svg--binoculars {
  --article-icon: url("/assets/images/articles/common/binoculars.svg");
}
.article-svg--compass {
  --article-icon: url("/assets/images/articles/common/compass.svg");
}
.article-svg--witness {
  --article-icon: url("/assets/images/articles/common/witness.svg");
}
.article-svg--team {
  --article-icon: url("/assets/images/articles/common/team.svg");
}
.article-svg--compass-cta {
  --article-icon: url("/assets/images/articles/common/compass.svg");
}
/* Hero badge icon colours */
.articles-hero__badge--gold .article-svg, .articles-hero__badge--mint .article-svg {
  --article-icon-color: var(--articles-ink-dark);
}
.articles-hero__badge--burgundy .article-svg {
  --article-icon-color: var(--articles-gold);
}
/* Purpose section icon colours */
.purpose-item__icon .article-svg {
  width: 2.25rem;
  height: 2.25rem;
  --article-icon-color: var(--articles-gold);
}
.purpose-item__icon--mint .article-svg, .purpose-item__icon--gold .article-svg {
  --article-icon-color: #fbfaf4;
}
.purpose-item__icon--burgundy .article-svg {
  --article-icon-color: var(--articles-gold);
}
/* Bottom CTA compass */
.articles-cta__icon .article-svg {
  width: 5.75rem;
  height: 5.75rem;
  --article-icon-color: var(--articles-gold);
}
.article-sprite {
  display: block;
  width: 3.25rem;
  height: 3.25rem;
  color: currentColor;
}
/* Purpose section SVG sprite colours */
.purpose-item__icon .article-sprite {
  color: var(--articles-gold);
}
.purpose-item__icon--mint .article-sprite, .purpose-item__icon--gold .article-sprite {
  color: #fbfaf4;
}
.purpose-item__icon--burgundy .article-sprite {
  color: var(--articles-gold);
}
/* ================================================================================================
   2. ARTICLES HERO
   ================================================================================================ */
.articles-hero {
  position: relative;
  overflow: hidden;
  padding: 1.5rem 0;
  background:
    radial-gradient(circle at 8% 88%, rgba(var(--color-primary-100-rgb), 0.44), transparent 19rem), linear-gradient(120deg, #fbfaf4 0%, #f4f8f2 48%, rgba(var(--color-primary-100-rgb), 0.38) 100%);
  margin: 0 auto;
}
.articles-hero::before {
  content: "";
  position: absolute;
  left: -6rem;
  bottom: -7rem;
  width: 21rem;
  height: 21rem;
  border: 1px solid rgba(var(--color-primary-500-rgb), 0.13);
  border-radius: 42% 58% 63% 37% / 45% 40% 60% 55%;
  box-shadow:
    1rem 1rem 0 rgba(var(--color-primary-100-rgb), 0.16), 2rem 2rem 0 rgba(var(--color-primary-100-rgb), 0.12), 3rem 3rem 0 rgba(var(--color-primary-100-rgb), 0.09);
  pointer-events: none;
}
.articles-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(22rem, 1.08fr);
  gap: 1.5rem;
  align-items: center;
  max-width: 90rem;
}
.articles-hero__content {
  max-width: 42rem;
}
.articles-hero h1 {
  margin: 0 0 1rem;
  color: var(--articles-ink-dark);
  font-size: clamp(2.1rem, 8vw, 2.3rem);
  font-weight: 400;
  letter-spacing: -0.055em;
}
.articles-hero__lead {
  margin: 0;
  color: var(--color-text-primary);
  font-size: clamp(1.06rem, 1.4vw, 1.28rem);
  line-height: 1.8;
}
.articles-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}
.articles-hero__visual {
  position: relative;
  width: 100%;
  max-width: 64rem;
  justify-self: end;
  min-height: 26rem;
}
.articles-hero__image-card {
  position: absolute;
  inset: 0 0 0 auto;
  width: min(78%, 42rem);
  overflow: hidden;
  border-radius: var(--articles-radius-lg);
  box-shadow: var(--articles-shadow);
  background: var(--articles-ink-dark);
}
.articles-hero__image-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 63, 69, 0.34), rgba(5, 63, 69, 0.05));
  pointer-events: none;
}
.articles-hero__image-card img {
  width: 100%;
  height: 100%;
  min-height: clamp(28rem, 43vw, 39rem);
  object-fit: cover;
}
.articles-hero__stack {
  position: absolute;
  left: 0;
  top: 8%;
  width: min(54%, 25rem);
  padding: 1.35rem;
  border-radius: var(--articles-radius-lg);
  background: linear-gradient(150deg, var(--articles-ink-dark), var(--articles-ink));
  box-shadow: var(--articles-shadow);
  overflow: hidden;
  isolation: isolate;
}
.articles-hero__stack-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}
.articles-hero__stack::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(150deg, rgba(5, 63, 69, 0.62), rgba(5, 63, 69, 0.28));
  pointer-events: none;
}
.articles-hero__stack .articles-preview-card {
  z-index: 2;
}
.articles-preview-card {
  position: relative;
  max-width: 17rem;
  padding: 1.2rem;
  border: 1px solid rgba(var(--color-primary-500-rgb), 0.12);
  border-radius: var(--articles-radius-md);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--articles-shadow-soft);
}
.articles-preview-card::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 0.125rem;
  margin-top: 1rem;
  background: var(--articles-gold);
}
.articles-preview-card--large {
  margin-bottom: 1.35rem;
}
.articles-preview-card--small {
  transform: translateX(5%);
}
.articles-preview-card__label {
  margin: 0 0 0.45rem;
  color: var(--articles-burgundy);
  font-family: var(--font-family-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.articles-preview-card p {
  margin: 0;
  color: var(--articles-ink-dark);
  font-size: 0.98rem;
  line-height: 1.55;
}
.articles-hero__badges {
  position: absolute;
  right: 0;
  top: 29%;
  display: grid;
  gap: 1rem;
  width: min(14rem, 43%);
  margin-right: 1rem;
}
.articles-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 3.2rem;
  padding: 0.7rem 1rem;
  border-radius: var(--border-radius-pill);
  color: var(--articles-ink-dark);
  font-weight: 700;
  line-height: 1.2;
  box-shadow: var(--articles-shadow-soft);
}
.articles-hero__badge--gold {
  background: var(--articles-gold);
}
.articles-hero__badge--mint {
  background: rgba(var(--color-primary-100-rgb), 0.96);
}
.articles-hero__badge--burgundy {
  color: var(--color-text-inverse);
  background: var(--articles-burgundy);
}
/* ================================================================================================
   ARTICLE DETAIL PAGE HERO OVERRIDES
   Keep the hub hero styling, but center detail-page hero content and remove the visual side.
   ================================================================================================ */
.article-detail-page .articles-hero__inner {
  display: block;
  max-width: 90rem;
}
.article-detail-page .articles-hero h1 {
  margin: 0 0 0.75rem;
}
.article-detail-page .articles-hero__content {
  max-width: 45rem;
  margin-inline: auto;
  text-align: center;
}
.article-detail-page .articles-hero__actions {
  justify-content: center;
}
.article-detail-page .articles-hero__visual, .article-detail-page .articles-hero__image-card, .article-detail-page .articles-hero__stack, .article-detail-page .articles-hero__badges {
  display: none;
}
/* ================================================================================================
   ARTICLE DETAIL SHORTLIST SECTION
   Copied from the homepage About section, with article-specific class names.
   ================================================================================================ */
.article-shortlist {
  background: var(--color-background-primary);
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}
.article-shortlist__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto;
  align-items: center;
  column-gap: var(--spacing-md);
  row-gap: var(--spacing-md);
}
.article-shortlist .article-shortlist__header {
  grid-column: 1 / -1;
  margin: 0 auto calc(-1 * var(--spacing-sm)) 0;
}
.article-shortlist__header h2 {
  position: relative;
  padding-left: 1.875rem;
  text-align: left;
}
.article-shortlist__header h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 0.25rem;
  height: 100%;
  background: var(--gradient-primary);
}
.article-shortlist__content {
  margin: 0 0 auto 0;
}
.article-shortlist__content h2 {
  line-height: 1;
}
.article-shortlist__content p {
  margin: 0;
  color: var(--color-text-secondary);
}
.article-shortlist__images {
  display: contents;
}
.article-shortlist__image {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--box-shadow-medium);
  width: fit-content;
}
.article-shortlist__image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
@supports (aspect-ratio: 4 / 3) {
  .article-shortlist__image img {
    aspect-ratio: 4 / 3;
  }
}
.article-shortlist__header h2 {
  padding: 0;
}
.article-shortlist__header h2::before {
  display: none;
  content: none;
}
/* ================================================================================================
   3. FIELD GUIDE CARDS
   ================================================================================================ */
.field-guides {
  padding: 1.5rem 0;
  background: var(--color-surface-primary);
}
.articles-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(18rem, 0.65fr);
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
}
.articles-section-heading h2, .articles-purpose__heading h2, .articles-cta h2, .article-shortlist__header h2 {
  margin: 0;
  color: var(--articles-ink-dark);
  font-size: clamp(1.25rem, 4.4vw, 1.75rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.12;
}
.articles-section-heading p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1.02rem;
  line-height: 1.75;
}
.field-guides__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}
.field-card {
  position: relative;
  display: flex;
  min-height: 31rem;
  flex-direction: column;
  padding: clamp(1.25rem, 2vw, 1.6rem);
  border: 1px solid var(--articles-border);
  border-radius: var(--articles-radius-lg);
  background:
    linear-gradient(180deg, rgba(var(--color-primary-100-rgb), 0.12), transparent 34%), var(--color-surface-primary);
  box-shadow: var(--articles-shadow-soft);
  transition:
    transform var(--transition-default), box-shadow var(--transition-default), border-color var(--transition-default);
}
.field-card:hover {
  transform: translateY(-0.35rem);
  border-color: rgba(var(--color-primary-500-rgb), 0.32);
  box-shadow: var(--articles-shadow);
}
.field-card__media {
  overflow: hidden;
  margin: -0.8rem -0.8rem 1.25rem;
  border-radius: calc(var(--articles-radius-lg) - 0.45rem);
  background: rgba(var(--color-primary-100-rgb), 0.2);
  aspect-ratio: 32 / 21;
}
.field-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.field-card:hover .field-card__media img {
  transform: scale(1.035);
}
.field-card__top {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}
.field-card__category {
  color: var(--articles-burgundy);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  line-height: 1.35;
  text-transform: uppercase;
}
.field-card__reading-time {
  flex: 0 0 auto;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.3;
}
.field-card h3 {
  margin: 0 0 1rem;
  color: var(--articles-ink-dark);
  font-size: clamp(1.28rem, 1.7vw, 1.65rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.18;
}
.field-card p {
  margin: 0 0 1.6rem;
  color: var(--color-text-primary);
  font-size: 0.98rem;
  line-height: 1.72;
}
.field-card__link {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  width: max-content;
  margin-top: auto;
  color: var(--articles-ink);
  font-weight: 700;
  text-decoration: none;
}
.field-card__link:hover, .field-card__link:focus-visible {
  color: var(--articles-burgundy);
  text-decoration: underline;
}
.field-card__link .icon {
  width: 0.72rem;
  height: 0.72rem;
  transition: transform var(--transition-default);
}
.field-card__link:hover .icon, .field-card__link:focus-visible .icon {
  transform: translateX(0.25rem);
}
/* ================================================================================================
   4. PURPOSE SECTION
   ================================================================================================ */
.articles-purpose {
  position: relative;
  overflow: hidden;
  padding: 1.5rem 0;
  background:
    radial-gradient(circle at 93% 18%, rgba(var(--color-primary-100-rgb), 0.4), transparent 16rem), linear-gradient(180deg, #f4f8f2, #eef7f2);
}
.articles-purpose::after {
  content: "";
  position: absolute;
  right: -7rem;
  top: -6rem;
  width: 22rem;
  height: 22rem;
  border: 1px solid rgba(var(--color-primary-500-rgb), 0.12);
  border-radius: 54% 46% 51% 49% / 42% 50% 50% 58%;
  box-shadow:
    -1rem 1rem 0 rgba(var(--color-primary-100-rgb), 0.13), -2rem 2rem 0 rgba(var(--color-primary-100-rgb), 0.1), -3rem 3rem 0 rgba(var(--color-primary-100-rgb), 0.08);
  pointer-events: none;
}
.articles-purpose__heading {
  position: relative;
  z-index: 1;
  max-width: 50rem;
  margin: 0 auto;
  text-align: center;
}
.articles-purpose__heading p {
  margin-top: 0.5rem;
}
.articles-purpose__heading .articles-eyebrow {
  justify-content: center;
}
.articles-purpose__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.purpose-item {
  padding: 1.5rem 1.5rem 0;
  text-align: center;
}
.purpose-item:last-child {
  border-right: 0;
}
.purpose-item__icon {
  display: inline-grid;
  width: 4.35rem;
  height: 4.35rem;
  margin-bottom: 1.15rem;
  place-items: center;
  border-radius: var(--border-radius-circle);
  background: var(--articles-ink-dark);
  box-shadow: var(--articles-shadow-soft);
}
.purpose-item__icon--mint {
  background: var(--articles-mint);
}
.purpose-item__icon--burgundy {
  background: var(--articles-burgundy);
}
.purpose-item__icon--gold {
  background: var(--articles-gold);
}
.purpose-item h3 {
  margin: 0 auto 0.7rem;
  color: var(--articles-ink-dark);
  font-size: clamp(1.1rem, 1.55vw, 1.35rem);
  font-weight: 600;
  line-height: 1.25;
}
.purpose-item p {
  margin: 0 auto;
  color: var(--color-text-primary);
  font-size: 0.95rem;
  line-height: 1.65;
}
/* ================================================================================================
   5. CTA SECTION
   ================================================================================================ */
.articles-cta {
  position: relative;
  overflow: hidden;
  padding: 2rem 0 2.5rem;
  color: var(--color-text-inverse);
  background:
    radial-gradient(circle at 12% 50%, rgba(var(--color-primary-100-rgb), 0.18), transparent 18rem), linear-gradient(135deg, var(--articles-ink-dark), var(--articles-ink));
}
.articles-cta::before {
  content: "";
  position: absolute;
  left: -5rem;
  bottom: -8rem;
  width: 23rem;
  height: 23rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 47% 53% 62% 38% / 55% 37% 63% 45%;
  box-shadow:
    1rem -1rem 0 rgba(255, 255, 255, 0.06), 2rem -2rem 0 rgba(255, 255, 255, 0.045), 3rem -3rem 0 rgba(255, 255, 255, 0.035);
}
.articles-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 48rem;
  margin-inline: auto;
  text-align: center;
}
.articles-cta__icon {
  display: grid;
  width: 6rem;
  height: 6rem;
  place-items: center;
  margin-inline: auto;
}
.articles-cta h2 {
  color: var(--color-text-inverse);
}
.articles-cta h2::after {
  content: "";
  display: block;
  width: 3rem;
  height: 0.15rem;
  margin: 1rem auto 0;
  background: var(--articles-gold);
}
.articles-cta p {
  margin: 0.75rem 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1rem, 1.3vw, 1.18rem);
  line-height: 1.7;
}
.articles-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}
.articles-cta__actions .btn {
  width: auto;
  margin-inline: 0;
}
.articles-cta__button {
  background: var(--articles-gold);
  color: var(--articles-ink-dark);
}
.articles-cta__button:hover, .articles-cta__button:focus-visible {
  color: var(--color-text-inverse);
  background: var(--articles-burgundy);
}
.articles-cta__button-two {
  background: var(--articles-mint);
  color: var(--articles-ink-dark);
}
.articles-cta__button-two:hover, .articles-cta__button-two:focus-visible {
  color: var(--color-text-inverse);
  background: var(--articles-burgundy);
}
.articles-cta__button {
  background: var(--articles-gold);
  color: var(--articles-ink-dark);
}
.articles-cta__button:hover, .articles-cta__button:focus-visible {
  color: var(--color-text-inverse);
  background: var(--articles-burgundy);
}
.articles-cta__button-two {
  background: var(--articles-mint);
  color: var(--articles-ink-dark);
}
.articles-cta__button-two:hover, .articles-cta__button-two:focus-visible {
  color: var(--color-text-inverse);
  background: var(--articles-burgundy);
}
/* ================================================================================================
   ARTICLE DETAIL READING LAYOUT
   Long-form field guide structure
   Uses the original Articles page spacing rhythm
   ================================================================================================ */
.article-body {
  padding: 1.5rem 0;
  background: var(--articles-paper);
}
.article-body--continued {
  padding-top: 0;
}
.article-body__header .articles-eyebrow {
  justify-content: center;
}
.article-body__header h2 {
  color: var(--articles-ink-dark);
  font-size: clamp(1.25rem, 4.4vw, 1.75rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.12;
}
.article-body__dek {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: clamp(1rem, 1.4vw, 1.16rem);
  line-height: 1.6;
}
.article-body__content {
  color: var(--color-text-primary);
  font-size: clamp(1rem, 1.05vw, 1.1rem);
  line-height: 1.6;
}
.article-body__content p {
  margin: 0 0 1rem;
}
.article-body__content p:last-child {
  margin: 0;
}
.article-body__content h2 {
  color: var(--articles-ink-dark);
  font-size: clamp(1.25rem, 4.4vw, 1.75rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.12;
  margin-top: 1rem;
}
.article-body__content h3 {
  margin: 0 0 0.65rem;
  color: var(--articles-ink-dark);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
  font-weight: 400;
}
.article-intro-split {
  margin: 0;
}
.article-intro-split__lead .article-body__header {
  margin-bottom: 1rem;
}
.article-intro-split__support p:last-child {
  margin-bottom: 0;
}
.article-rvalue-split {
  margin: 1rem 0 1.5rem;
}
.article-rvalue-split__support .article-callout {
  margin-top: 0;
}
.article-rvalue-split__support p:last-child {
  margin-bottom: 0;
}
@media (min-width: 1300px) {
  .article-intro-split {
    display: grid;
    grid-template-columns: minmax(20rem, 0.9fr) minmax(0, 1fr);
    gap: var(--spacing-md);
    align-items: start;
  }
  .article-intro-split__lead .article-body__header {
    max-width: none;
    margin: 0 0 1rem;
    text-align: left;
  }
  .article-intro-split__lead .article-body__header .articles-eyebrow {
    justify-content: flex-start;
  }
  .article-rvalue-split {
    display: grid;
    grid-template-columns: minmax(20rem, 0.9fr) minmax(0, 1fr);
    gap: var(--spacing-md);
    align-items: start;
  }
  .article-rvalue-split__lead h2 {
    margin-top: 0;
  }
}
.article-explainer-strip {
  padding: 1.5rem 0;
  background:
    radial-gradient(circle at 92% 10%, rgba(var(--color-primary-100-rgb), 0.32), transparent 16rem), linear-gradient(180deg, #f4f8f2, #eef7f2);
}
.article-explainer-strip__heading {
  align-items: start;
  margin-bottom: 1rem;
}
.article-explainer-grid, .heat-transfer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.article-pill-card, .heat-transfer-card, .article-callout, .article-system-list, .article-quote-card {
  border: 1px solid var(--articles-border);
  border-radius: var(--articles-radius-md);
  background: var(--color-surface-primary);
  box-shadow: var(--articles-shadow-soft);
}
.article-pill-card {
  padding: var(--spacing-sm);
}
.article-pill-card h3 {
  margin: 0 0 0.55rem;
  color: var(--articles-ink-dark);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  font-weight: 600;
  line-height: 1.25;
}
.article-pill-card p {
  margin: 0;
  color: var(--color-text-primary);
  font-size: 0.95rem;
  line-height: 1.65;
}
.heat-transfer-grid {
  margin: var(--spacing-sm) 0 var(--spacing-md);
}
.heat-transfer-card {
  padding: var(--spacing-sm);
  background:
    linear-gradient(180deg, rgba(var(--color-primary-100-rgb), 0.12), transparent 42%), var(--color-surface-primary);
}
.heat-transfer-card p {
  margin-bottom: 0;
  font-size: 0.96rem;
  line-height: 1.7;
}
.article-callout {
  margin: var(--spacing-sm) 0;
  padding: 0.5rem;
  border-left: 0.35rem solid var(--articles-gold);
  background:
    linear-gradient(90deg, rgba(var(--color-primary-600-rgb), 0.18), transparent 80%), var(--color-surface-primary);
  max-width: fit-content;
}
.article-callout p {
  margin: 0;
  color: var(--articles-ink-dark);
  font-weight: 600;
  line-height: 1.45;
}
.article-system-list {
  margin: var(--spacing-sm) 0;
  padding: var(--spacing-sm);
  max-width: fit-content;
}
.article-system-list p {
  margin: 0;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--articles-border);
}
.article-system-list p:first-child {
  padding-top: 0;
}
.article-system-list p:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.article-system-list strong {
  color: var(--articles-ink-dark);
}
.article-system-split {
  margin: var(--spacing-sm) 0 0;
}
.article-system-copy p:last-child {
  margin-bottom: 0;
}
.article-quote-card {
  margin: 0.5rem auto;
  padding: 0.5rem;
  border-left: 0.35rem solid var(--articles-mint);
  max-width: fit-content;
}
.article-quote-pairs {
  margin: var(--spacing-sm) 0;
}
.article-quote-pair {
  display: grid;
  gap: 0.65rem;
  align-items: center;
  margin-bottom: 0.85rem;
  justify-content: flex-start;
}
.article-quote-pair:last-child {
  margin-bottom: 0;
}
.article-quote-pair > p {
  margin: 0;
}
.article-quote-pair .article-quote-card {
  margin: 0;
  max-width: fit-content;
}
.centered {
  text-align: center;
}
.article-quote-card p {
  margin: 0;
  color: var(--articles-ink-dark);
  font-weight: 600;
  line-height: 1.4;
}
.article-quote-card--strong {
  border-left-color: var(--articles-gold);
  background:
    linear-gradient(90deg, rgba(var(--color-primary-600-rgb), 0.2), transparent 82%), var(--color-surface-primary);
}
.article-specific-cta .articles-cta__inner {
  max-width: 75rem;
}
.article-specific-cta__secondary {
  display: inline-block;
  width: fit-content;
  margin: 0.9rem auto 0;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 700;
  text-decoration: none;
}
.article-specific-cta__secondary:hover, .article-specific-cta__secondary:focus-visible {
  color: var(--articles-gold);
  text-decoration: underline;
}
.article-seasonal-card + .article-seasonal-card {
  margin-top: 1rem;
}
.article-seasonal-card h2:first-child {
  margin-top: 0;
}
.article-centered-section {
  width: min(100%, 65rem);
  margin: var(--spacing-md) auto 0;
  text-align: center;
  padding: 0.5rem;
  border: 1px solid var(--articles-border);
  border-radius: var(--articles-radius-md);
  background: linear-gradient(180deg, rgba(var(--color-primary-100-rgb), 0.12), transparent 42%), var(--color-surface-primary);
}
.article-centered-section--wide {
  width: min(100%, 75rem);
}
.article-centered-section h2:first-child {
  margin-top: 0;
}
.article-centered-section p:last-child {
  margin-bottom: 0;
}
.margin-top {
  margin-top: 1.5rem;
}
.article-body__content .margin-top-none {
  margin-top: 0;
}
.margin-top-none {
  margin-top: 0;
}
.article-body--continued {
  padding: 0;
}
.article-band {
  position: relative;
  margin-inline: calc(50% - 50vw);
  padding: 1.5rem calc(50vw - 50%);
}
.article-body__content > .article-band.margin-top, .article-body__content > .article-band {
  margin-top: 0;
}
.article-band > h2:first-child, .article-band > .article-seasonal-grid:first-child, .article-band > .article-centered-section:first-child {
  margin-top: 0;
}
.article-band--paper {
  background: var(--articles-paper);
}
.article-band--green,
.article-band--green-alt {
  overflow: hidden;
  background:
    radial-gradient(circle at 93% 18%, rgba(var(--color-primary-100-rgb), 0.4), transparent 16rem),
    linear-gradient(180deg, #f4f8f2, #eef7f2);
}

.article-band--green::after,
.article-band--green-alt::after {
  content: "";
  position: absolute;
  right: -7rem;
  top: -6rem;
  width: 22rem;
  height: 22rem;
  border: 1px solid rgba(var(--color-primary-500-rgb), 0.12);
  border-radius: 54% 46% 51% 49% / 42% 50% 50% 58%;
  box-shadow:
    -1rem 1rem 0 rgba(var(--color-primary-100-rgb), 0.13),
    -2rem 2rem 0 rgba(var(--color-primary-100-rgb), 0.1),
    -3rem 3rem 0 rgba(var(--color-primary-100-rgb), 0.08);
  pointer-events: none;
}

.article-band--green > *,
.article-band--green-alt > * {
  position: relative;
  z-index: 1;
}
/* ================================================================================================
   6. RESPONSIVE
   ================================================================================================ */
@media (min-width: 480px) {
  .article-centered-section {
    padding: 1.5rem;
  }
}
@media (min-width: 600px) {
  .article-quote-pair {
    grid-template-columns: auto auto;
    gap: 1rem;
  }
}
@media (min-width: 769px) and (max-width: 1799px) {
  .article-shortlist__grid {
    grid-template-columns: 1fr 1fr;
  }
  .article-shortlist__content {
    grid-column: 1 / -1;
  }
  .article-shortlist__images {
    grid-column: 1 / -1;
    display: flex;
    gap: 1.5rem;
  }
}
@media (min-width: 1140px) {
  .articles-desktop-nav {
    display: block;
  }
  .articles-nav {
    display: flex;
  }
  .articles-mobile-menu-toggle {
    display: none !important;
  }
  .articles-mobile-nav.active {
    display: none !important;
  }
  /* Move Articles desktop dropdowns down without breaking hover */
  .articles-desktop-nav .has-dropdown > .dropdown-menu {
    top: calc(100% + 0.7rem);
    margin-top: 0;
  }
  /* Invisible hover bridge between nav item and lowered dropdown */
  .articles-desktop-nav .has-dropdown::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 0.7rem;
    pointer-events: auto;
  }
  .article-system-split {
    display: grid;
    grid-template-columns: minmax(22rem, 1fr) minmax(0, 1fr);
    gap: var(--spacing-md);
    align-items: start;
  }
  .article-system-split .article-system-list {
    margin: 0;
    max-width: none;
  }
  .article-system-copy {
    padding-top: 0.15rem;
  }
}
@media (min-width: 1300px) {
  .article-seasonal-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
    align-items: stretch;
  }
  .article-seasonal-card {
    min-width: 0;
    padding: 1.5rem;
    border: 1px solid var(--articles-border);
    border-radius: var(--articles-radius-md);
    background: linear-gradient(180deg, rgba(var(--color-primary-100-rgb), 0.12), transparent 42%), var(--color-surface-primary);
  }
  .article-seasonal-card + .article-seasonal-card {
    margin-top: 0;
  }
}
@media (min-width: 1800px) {
  .article-shortlist {
    padding-bottom: var(--spacing-sm);
  }
  .article-shortlist__grid {
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto 1fr;
    align-items: start;
    column-gap: var(--spacing-md);
    row-gap: 0;
  }
  .article-shortlist .article-shortlist__header {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 0;
  }
  .article-shortlist__content {
    grid-column: 1;
    grid-row: 2;
    margin: 0;
  }
  .article-shortlist__image:nth-of-type(1) {
    grid-column: 2;
    grid-row: 1 / -1;
  }
  .article-shortlist__image:nth-of-type(2) {
    grid-column: 3;
    grid-row: 1 / -1;
  }
}
@media (min-width: 1900px) {
  .article-system-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .article-system-split .article-system-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(16rem, 1fr));
    gap: 0;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    overflow: visible;
  }
  .article-system-split .article-system-list p {
    margin: 0;
    padding: 0.8rem var(--spacing-sm);
    border: 1px solid var(--articles-border);
    background: var(--color-surface-primary);
  }
  .article-system-split .article-system-list p:nth-child(1) {
    border-top-left-radius: var(--articles-radius-md);
  }
  .article-system-split .article-system-list p:nth-child(2) {
    border-top-right-radius: var(--articles-radius-md);
    border-left: 0;
  }
  .article-system-split .article-system-list p:nth-child(3) {
    border-top: 0;
  }
  .article-system-split .article-system-list p:nth-child(4) {
    border-top: 0;
    border-left: 0;
  }
  .article-system-split .article-system-list p:nth-child(5) {
    border-top: 0;
    border-bottom-left-radius: var(--articles-radius-md);
  }
}
@media (max-width: 1900px) {
  .field-guides__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 1400px) {
  .heat-transfer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 1180px) {
  .articles-hero__inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1rem;
  }
  .articles-purpose__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .articles-hero__visual {
    max-width: 40rem;
    margin: 0 auto;
  }
  .purpose-item:nth-child(2) {
    border-right: 0;
  }
  .articles-hero__actions {
    justify-content: center;
    align-items: center;
    gap: 0.85rem;
  }
  .articles-hero__content {
    text-align: center;
    margin: 0 auto;
  }
}
@media (min-width: 769px) and (max-width: 1139.98px) {
  .mobile-nav > ul {
    top: 0.4rem;
  }
  .mobile-nav {
    top: 3.5rem;
  }
  .articles-header-not-sticky .articles-mobile-nav {
    top: 5.75rem;
  }
}
@media (max-width: 1139.98px) {
  .articles-header-top {
    display: block;
  }
  .articles-header-main {
    padding: 0.45rem 0;
  }
  .articles-header-main__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 4.4rem;
  }
  .articles-desktop-nav, .articles-nav {
    display: none !important;
  }
  .articles-logo {
    flex: 1 1 auto;
    min-width: 0;
  }
  .articles-logo a {
    font-size: clamp(2rem, 7vw, 2.7rem);
    white-space: nowrap;
  }
  .articles-header-btn {
    display: none !important;
  }
  .article-explainer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 780px) {
  .articles-hero {
    padding-top: 1.5rem;
    padding-bottom: 1rem;
  }
  .article-detail-page .articles-hero {
    padding-bottom: 2rem;
  }
  .articles-hero h1 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
  .articles-hero__actions {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.85rem;
  }
  .articles-hero__inner {
    margin-bottom: 0rem;
  }
  .articles-hero__actions .btn {
    width: auto;
    min-width: 12.5rem;
    max-width: 100%;
    margin-inline: 0;
  }
  .articles-hero__visual {
    margin-bottom: var(--articles-mobile-badge-clearance, 13rem);
  }
  .articles-hero__image-card {
    width: 100%;
  }
  .articles-hero__stack {
    left: 1rem;
    right: 1rem;
    width: auto;
    min-height: auto;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    overflow: visible;
  }
  .articles-preview-card--small {
    margin-left: 2.5rem;
    transform: none;
  }
  .articles-hero__badges {
    left: 50%;
    right: auto;
    top: calc(100% + 1rem);
    bottom: auto;
    width: min(44rem, calc(100% - 2rem));
    max-width: 44rem;
    transform: translateX(-50%);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
  }
  .articles-hero__badge {
    width: auto;
    max-width: 13.875rem;
  }
  .articles-section-heading {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .field-guides__grid, .articles-purpose__grid {
    grid-template-columns: 1fr;
  }
  .articles-purpose__grid {
    gap: 0;
  }
  .field-card {
    min-height: auto;
  }
  .purpose-item {
    border-right: 0;
    border-bottom: 1px solid rgba(var(--color-primary-500-rgb), 0.18);
    text-align: center;
    padding: 1.5rem;
  }
  .purpose-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }
  .articles-hero__stack-image {
    display: none;
  }
  .articles-hero__stack::after {
    display: none;
  }
  .article-shortlist__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--spacing-md);
  }
  .article-shortlist__images {
    display: block;
  }
  .article-shortlist__image {
    width: 100%;
  }
  .article-shortlist__image + .article-shortlist__image {
    margin-top: var(--spacing-md);
  }
  .article-body--continued {
    padding-top: 0;
  }
  .article-body__header {
    text-align: left;
  }
  .article-body__header .articles-eyebrow {
    justify-content: flex-start;
  }
  .article-explainer-grid, .heat-transfer-grid {
    grid-template-columns: 1fr;
  }
  .mobile-nav {
    top: 3.6rem;
  }
  .articles-header-not-sticky .articles-mobile-nav {
    top: 5.9rem;
  }
}
/* Articles top bar — tablet/intermediate version */
@media (min-width: 631px) and (max-width: 830px) {
  .articles-header-top {
    overflow-x: clip;
  }
  .articles-header-top, .articles-header-top * {
    box-sizing: border-box;
  }
  .articles-header-top .container {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .articles-contact-info {
    justify-content: space-between;
    gap: 1rem;
    min-width: 0;
    overflow: hidden;
  }
  /* Hide phone only */
  .articles-header-top .contact-item:nth-child(2) {
    display: none !important;
  }
  /* Keep the left logo/text visible */
  .articles-header-top .contact-item:first-child {
    min-width: 0;
    margin-right: auto;
  }
  .articles-header-top .contact-item:first-child p {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  /* Keep email visible */
  .articles-header-top .contact-item:nth-child(3) {
    display: inline-flex !important;
    flex: 0 1 auto;
    min-width: 0;
  }
  .articles-header-top .contact-item:nth-child(3) a {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}
/* Articles top bar — compact mobile version */
@media (max-width: 630px) {
  .articles-header-top {
    overflow-x: clip;
  }
  .articles-header-top, .articles-header-top * {
    box-sizing: border-box;
  }
  .articles-header-top .container {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .articles-contact-info {
    justify-content: flex-start;
    gap: 0.75rem;
    min-width: 0;
    overflow: hidden;
  }
  .articles-header-top .contact-item:not(:first-child) {
    display: none !important;
  }
  .articles-header-top .contact-item:first-child {
    min-width: 0;
    margin-right: 0;
    flex: 1 1 auto;
  }
  .articles-top-mark {
    width: 1.05rem;
    height: 1.05rem;
    flex: 0 0 1.05rem;
  }
  .articles-header-top .contact-item:first-child p {
    display: block;
    min-width: 0;
    overflow: hidden;
    color: var(--color-text-inverse);
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .articles-header-top .container {
    padding-inline: var(--container-padding-inline);
  }
  .articles-contact-info {
    justify-content: flex-start;
    gap: 0.75rem;
    min-width: 0;
    overflow: hidden;
  }
  .articles-header-top .contact-item:first-child {
    flex: 1 1 auto;
    min-width: 0;
    margin-right: 0;
  }
  .articles-header-top .contact-item:first-child p {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}
@media (max-width: 480px) {
  .articles-hero__visual {
    min-height: 0;
    height: auto;
    margin-bottom: var(--articles-mobile-badge-clearance, 14rem);
  }
  .articles-hero__image-card {
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
  }
  .articles-hero__image-card img {
    min-height: 0;
    height: 100%;
  }
  .articles-hero__stack {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    width: 100%;
    z-index: 2;
  }
  .articles-hero__badges {
    z-index: 3;
  }
  .articles-preview-card {
    max-width: none;
  }
  .articles-preview-card--small {
    margin-left: 0;
  }
  .articles-hero__badge {
    width: 100%;
  }
  .field-card__media {
    overflow: hidden;
    margin: -0.8rem -0.8rem 1.25rem;
    border-radius: calc(var(--articles-radius-lg) - 0.45rem);
    background: rgba(var(--color-primary-100-rgb), 0.2);
    aspect-ratio: 32 / 21;
  }
  .field-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
  }
  .field-card:hover .field-card__media img {
    transform: scale(1.035);
  }
  .field-card__top {
    flex-direction: column;
    gap: 0.45rem;
  }
  .articles-hero__actions .btn {
    width: fit-content;
    min-width: 0;
    margin-inline: auto;
  }
  .articles-cta__actions {
    flex-direction: column;
    gap: 0.65rem;
  }
  .articles-cta__actions .btn {
    width: fit-content;
    max-width: 100%;
    margin-inline: auto;
  }
  .articles-header-top .container {
    padding-left: 0.938rem;
    padding-right: 0.938rem;
  }
}
/* ================================================================================================
   ARTICLES-ONLY HEADER
   ================================================================================================ */
.articles-header-top {
  background: linear-gradient(90deg, #053f45, var(--color-primary-500));
  color: var(--color-text-inverse);
  min-height: 2.25rem;
  font-size: 0.82rem;
}
.articles-header-top .container {
  min-height: 2.25rem;
  display: flex;
  align-items: center;
}
.articles-contact-info {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: center;
}
.articles-header-top .contact-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.articles-header-top .contact-item:first-child {
  margin-right: auto;
}
.articles-header-top p, .articles-header-top a {
  color: var(--color-text-inverse);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.035em;
  text-decoration: none;
}
.articles-header-top .icon {
  width: 0.75rem;
  height: 0.75rem;
  color: var(--articles-gold);
}
.articles-top-mark {
  display: block;
  width: 1.05rem;
  height: 1.05rem;
  flex: 0 0 1.05rem;
  object-fit: contain;
}
.articles-header-main {
  background: var(--color-surface-primary);
  border-bottom: 1px solid rgba(var(--color-primary-500-rgb), 0.08);
  box-shadow: 0 0.65rem 2rem rgba(5, 63, 69, 0.06);
}
.articles-header-main__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  min-height: 4.5rem;
}
.articles-logo a {
  color: var(--articles-ink-dark);
  font-family: var(--font-family-display);
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  text-decoration: none;
}
.articles-desktop-nav {
  justify-self: center;
}
.articles-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3rem);
  list-style: none;
}
.articles-nav > li > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.75rem;
  color: var(--articles-ink-dark);
  font-size: 0.98rem;
  font-weight: 500;
  text-decoration: none;
}
.articles-nav > li > a.articles-nav__active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.25rem;
  height: 0.125rem;
  background: var(--articles-gold);
  border-radius: var(--border-radius-pill);
}
.articles-header-btn {
  background-color: var(--articles-gold);
  background-image: none;
  color: var(--articles-ink-dark);
  border: 0;
  box-shadow: none;
}
.articles-header-btn::before, .articles-header-btn::after {
  display: none;
  content: none;
}
.articles-header-btn:hover, .articles-header-btn:focus, .articles-header-btn:focus-visible, .articles-header-btn:active {
  background-color: var(--articles-burgundy);
  background-image: none;
  color: var(--color-text-inverse);
  border: 0;
  box-shadow: none;
}
.mobile-nav > ul {
  top: 1.4rem;
}
/* ================================================================================================
   7. DARK MODE
   ================================================================================================ */
@media (prefers-color-scheme: dark) {
  :root {
    --articles-paper: #08191b;
    --articles-paper-soft: #0c2225;
    --articles-border: rgba(172, 219, 197, 0.22);
  }
  .articles-page {
    color: rgba(255, 255, 255, 0.88);
    background: var(--articles-paper);
  }
  .articles-logo a, .articles-eyebrow, .field-card__category {
    color: var(--articles-mint);
  }
  .articles-header-btn {
    background: var(--articles-mint);
  }
  .field-card__link, .articles-nav > li > a:hover {
    color: var(--articles-gold);
  }
  @media (min-width: 1300px) {
    .article-seasonal-card {
      background: rgba(0, 0, 0, 0.76);
      border-color: rgba(172, 219, 197, 0.42);
    }
  }
  @media (max-width: 780px) {
    .purpose-item {
      border-bottom: 1px solid rgba(var(--color-primary-100-rgb), 0.48);
    }
  }
  .articles-hero, .field-guides, .articles-purpose {
    background:
      radial-gradient(circle at 10% 80%, rgba(172, 219, 197, 0.12), transparent 18rem), linear-gradient(135deg, #071719, #0d2528);
  }
  .articles-hero h1, .articles-section-heading h2, .articles-purpose__heading h2, .field-card h3, .purpose-item h3, .articles-nav > li > a {
    color: var(--color-text-inverse);
  }
  .articles-hero__lead, .articles-section-heading p, .field-card p, .purpose-item p {
    color: rgba(255, 255, 255, 0.78);
  }
  .field-card, .articles-preview-card, .article-centered-section {
    background: rgba(0, 0, 0, 0.76);
    border-color: rgba(172, 219, 197, 0.42);
  }
  .articles-preview-card p {
    color: var(--color-text-inverse);
  }
  .field-card__reading-time {
    color: rgba(255, 255, 255, 0.68);
  }
  .article-body, .article-explainer-strip {
    background:
      radial-gradient(circle at 10% 80%, rgba(172, 219, 197, 0.12), transparent 18rem), linear-gradient(135deg, #071719, #0d2528);
  }
  .article-body__header h2, .article-body__content h2, .article-body__content h3, .article-pill-card h3, .heat-transfer-card h3, .article-callout p, .article-system-list strong, .article-quote-card p {
    color: var(--color-text-inverse);
  }
  .article-body__dek, .article-body__content, .article-pill-card p, .heat-transfer-card p {
    color: rgba(255, 255, 255, 0.78);
  }
  .article-pill-card, .heat-transfer-card, .article-callout, .article-system-list, .article-quote-card, .article-system-split .article-system-list p {
    background: rgba(0, 0, 0, 0.76);
    border-color: rgba(172, 219, 197, 0.42);
  }
  .article-system-list p {
    border-bottom-color: rgba(172, 219, 197, 0.22);
  }
  .article-performance-parts__heading p {
    color: rgba(255, 255, 255, 0.78);
  }
  .article-band--paper {
    background:
      radial-gradient(circle at 10% 80%, rgba(172, 219, 197, 0.08), transparent 18rem), linear-gradient(135deg, #071719, #0d2528);
  }
  .article-band--green, .article-band--green-alt {
    background:
      radial-gradient(circle at 90% 18%, rgba(172, 219, 197, 0.14), transparent 18rem), linear-gradient(135deg, #0b2023, #102b2f);
  }
}