@layer families {
  .m-article {
    background: var(--color-canvas);
    overflow: clip;
  }

  .m-article-hero {
    padding-block: 0;
  }

  .m-article-hero__grid {
    align-items: stretch;
    display: grid;
    gap: var(--layout-gap);
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    min-block-size: 34.75rem;
  }

  .m-article-hero__grid > .u-stack {
    align-content: center;
    justify-items: start;
    padding-block: var(--space-20);
    transition: opacity var(--motion-slow) var(--ease-enter),
      transform var(--motion-slow) var(--ease-enter);
  }

  .m-article-hero--text > .u-stack {
    justify-items: start;
    margin-inline: auto;
    padding-block: var(--space-24);
    width: min(calc(100% - var(--layout-gutter) - var(--layout-gutter)), 58rem);
  }

  .m-article-hero h1 {
    color: var(--color-brand);
    font-size: clamp(3.25rem, 5vw, 4.5rem);
    letter-spacing: var(--tracking-landing-display);
    /* Keep descenders clear when a display heading wraps (for example, g above f). */
    line-height: 1.08;
    max-inline-size: 11ch;
  }

  .m-article-hero--text h1 {
    max-inline-size: 12ch;
  }

  .m-article-hero__lede {
    font-size: var(--text-landing-body);
    line-height: var(--leading-public-body);
    max-inline-size: var(--measure-copy);
  }

  .m-article-hero a,
  .m-article-section > a {
    inline-size: fit-content;
  }

  .m-article-hero__media {
    border-radius: var(--radius-card);
    margin-block: var(--space-12);
    min-block-size: 26rem;
    overflow: hidden;
    transition: opacity var(--motion-slow) var(--ease-enter);
  }

  @starting-style {
    .m-article-hero__grid > .u-stack {
      opacity: 0;
      transform: translateY(var(--motion-distance-sm));
    }

    .m-article-hero__media {
      opacity: 0;
    }
  }

  .m-article--project .m-article-hero__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  }

  .m-article--project .m-article-hero__media {
    min-block-size: 30rem;
  }

  .m-article-brief {
    border-block-start: var(--border-hairline) solid var(--color-brand-muted);
  }

  .m-article-brief__grid {
    align-items: stretch;
    display: grid;
    grid-template-columns: minmax(18rem, 1fr) repeat(2, minmax(0, 1fr));
    padding-block: var(--space-10);
  }

  .m-article-brief__intro {
    align-content: center;
    border-inline-end: var(--border-hairline) solid var(--color-brand-muted);
    display: grid;
    gap: var(--space-3);
    grid-row: 1 / span 2;
    padding-inline-end: var(--space-10);
  }

  .m-article-brief__intro > p:last-child {
    font-size: var(--text-landing-body);
    line-height: 1.4;
    max-inline-size: var(--measure-narrow);
  }

  .m-article-brief__item {
    align-content: start;
    display: grid;
    gap: var(--space-2);
    padding: var(--space-5) var(--space-8);
  }

  .m-article-brief__item:nth-child(3),
  .m-article-brief__item:nth-child(5) {
    border-inline-start: var(--border-hairline) solid var(--color-brand-muted);
  }

  .m-article-brief__item:nth-child(n + 4) {
    border-block-start: var(--border-hairline) solid var(--color-brand-muted);
  }

  .m-article-brief__item strong {
    color: var(--color-brand);
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2vw, 1.85rem);
    font-weight: var(--font-weight-regular);
    letter-spacing: var(--tracking-landing-display);
    line-height: 1;
    min-block-size: 2em;
  }

  .m-article-brief__item span {
    font-size: 0.875rem;
    line-height: 1.4;
  }

  .m-article-moment {
    background: var(--color-surface-solid);
    border-block-start: var(--border-hairline) solid var(--color-brand-muted);
    border-block-end: var(--border-hairline) solid var(--color-brand-muted);
  }

  .m-article-moment__inner {
    display: grid;
    gap: var(--space-6);
    padding-block: var(--space-16);
  }

  .m-article-moment__label {
    color: var(--color-brand-muted);
    font-family: var(--font-label);
    font-size: var(--text-label);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
  }

  .m-article-moment__inner > p:last-child {
    font-size: clamp(1.4rem, 2.6vw, 1.85rem);
    line-height: 1.45;
    max-inline-size: 56rem;
  }

  .m-article-body {
    display: grid;
  }

  .m-article-section {
    border-block-start: var(--border-hairline) solid var(--color-brand-muted);
    display: grid;
    gap: var(--space-4) var(--layout-gap);
    grid-template-columns: repeat(12, minmax(0, 1fr));
    padding-block: var(--space-12);
  }

  .m-article-section:first-child {
    border-block-start: var(--public-border-none);
  }

  .m-article-section > h2 {
    align-self: start;
    color: var(--color-brand);
    font-size: clamp(1.5rem, 1.9vw, 1.9rem);
    grid-column: 1 / span 3;
    grid-row: 1;
    letter-spacing: var(--tracking-landing-display);
    line-height: 1.15;
    max-inline-size: 16ch;
  }

  .m-article-section > :is(.m-prose, .m-card-grid, .m-steps, .m-guide-comparison, .m-bedroom-decisions, .m-number-callout, .m-number-grid, .m-note, .m-article-figure, .m-cost-table-region),
  .m-article-section > :is(p, a) {
    align-self: start;
    grid-column: 4 / -1;
  }

  .m-prose {
    gap: var(--space-5);
  }

  .m-prose p,
  .m-fact-card p,
  .m-steps p,
  .m-number-grid p {
    font-size: var(--text-landing-body);
    line-height: var(--leading-public-body);
  }

  .m-card-grid {
    gap: var(--space-6);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .m-fact-card {
    align-content: start;
    background: var(--color-surface);
    border-radius: var(--radius-card);
    display: grid;
    gap: var(--space-3);
    padding: var(--space-6);
  }

  .m-fact-card h3 {
    color: var(--color-brand);
    font-size: clamp(1.35rem, 2vw, 1.65rem);
    letter-spacing: var(--tracking-landing-display);
    line-height: 1.05;
  }

  .m-guide-comparison {
    border-block-start: var(--border-hairline) solid var(--color-brand-muted);
    margin: 0;
  }

  .m-guide-comparison > div {
    border-block-end: var(--border-hairline) solid var(--color-brand-muted);
    display: grid;
    gap: var(--space-5);
    grid-template-columns: minmax(10rem, 0.45fr) minmax(0, 1fr);
    padding-block: var(--space-6);
  }

  .m-guide-comparison dt,
  .m-bedroom-decisions dt {
    color: var(--color-brand);
    font-family: var(--font-display);
    font-size: 1.25rem;
    letter-spacing: var(--tracking-landing-display);
    line-height: 1.1;
  }

  .m-guide-comparison dd,
  .m-bedroom-decisions dd {
    font-size: var(--text-landing-body);
    line-height: var(--leading-public-body);
    margin: 0;
  }

  .m-bedroom-decisions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 0;
  }

  .m-bedroom-decisions > div {
    border-inline-start: var(--border-hairline) solid var(--color-brand-muted);
    display: grid;
    gap: var(--space-4);
    padding-inline: var(--space-5);
  }

  .m-bedroom-decisions > div:first-child {
    border-inline-start: var(--public-border-none);
    padding-inline-start: 0;
  }

  .m-steps {
    display: grid;
    gap: var(--space-4) 0;
    grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .m-steps li {
    border-inline-start: var(--border-hairline) solid var(--color-brand-muted);
    display: grid;
    gap: var(--space-5);
    padding-block: var(--space-2);
    padding-inline: var(--space-5);
  }

  .m-steps:not(.m-steps--timeline) li {
    grid-row: span 3;
    grid-template-rows: subgrid;
  }

  .m-steps:not(.m-steps--timeline) li > div {
    display: contents;
  }

  .m-steps li:first-child {
    border-inline-start: var(--public-border-none);
    padding-inline-start: 0;
  }

  .m-steps h3 {
    color: var(--color-brand);
    font-size: 1.25rem;
    letter-spacing: var(--tracking-landing-display);
    line-height: 1.1;
  }

  .m-steps li > span {
    color: var(--color-brand-muted);
    font-family: var(--font-label);
    font-size: var(--text-label);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--tracking-label);
  }

  .m-steps li > div {
    display: grid;
    gap: var(--space-3);
  }

  .m-steps--timeline {
    gap: 0;
    grid-template-columns: 1fr;
    max-inline-size: var(--measure-copy);
  }

  .m-steps--timeline li {
    border-block-start: var(--border-hairline) solid var(--color-brand-muted);
    border-inline-start: var(--public-border-none);
    grid-template-columns: minmax(3.5rem, auto) 1fr;
    grid-template-rows: auto;
    padding-block: var(--space-5);
    padding-inline: 0;
  }

  .m-steps--timeline li:first-child {
    border-block-start: var(--public-border-none);
    padding-block-start: 0;
  }

  .m-steps--timeline li > span {
    padding-block-start: var(--space-1);
  }

  .m-night-routine {
    counter-reset: night-routine;
  }

  .m-night-routine li {
    counter-increment: night-routine;
    grid-template-columns: 3rem minmax(0, 1fr);
  }

  .m-night-routine li:first-child {
    border-block-start: var(--border-hairline) solid var(--color-brand-muted);
    padding-block-start: var(--space-5);
  }

  .m-night-routine li::before {
    color: var(--color-brand-muted);
    content: counter(night-routine, decimal-leading-zero);
    font-family: var(--font-label);
    font-size: var(--text-label);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--tracking-label);
    padding-block-start: var(--space-1);
  }

  .m-number-callout,
  .m-number-grid {
    background: var(--color-brand);
    border-radius: var(--radius-card);
    color: var(--color-canvas);
    display: grid;
    gap: var(--space-8);
    padding: var(--space-8);
  }

  .m-number-callout {
    align-items: center;
    grid-template-columns: auto minmax(0, 1fr);
    max-inline-size: var(--measure-copy);
  }

  .m-number-callout strong,
  .m-number-grid strong {
    font-family: var(--font-display);
    font-size: var(--text-landing-feature);
  }

  .m-number-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .m-number-grid > div {
    display: grid;
    gap: var(--space-3);
  }

  .m-number-label {
    color: var(--color-brand-muted);
    font-family: var(--font-label);
    font-size: var(--text-label);
    font-weight: var(--font-weight-bold);
  }

  .m-note {
    border-block-start: var(--border-hairline) solid var(--color-brand);
    font-family: var(--font-label);
    font-size: var(--text-label);
    max-inline-size: var(--measure-copy);
    padding-block-start: var(--space-4);
  }

  .m-article-figure {
    display: grid;
    gap: var(--space-3);
    max-inline-size: 72rem;
  }

  .m-article-figure > div {
    aspect-ratio: 1162 / 768;
    border-radius: var(--radius-card);
    overflow: hidden;
  }

  .m-article-figure figcaption {
    color: var(--color-label);
    max-inline-size: var(--measure-copy);
  }

  .m-cost-table {
    border-collapse: var(--public-border-collapse);
    inline-size: 100%;
    min-inline-size: 38rem;
  }

  .m-cost-table :is(th, td) {
    border-block-end: var(--border-hairline) solid var(--color-brand-muted);
    padding: var(--space-4);
    text-align: start;
    vertical-align: top;
  }

  .m-cost-table td {
    color: var(--color-brand);
    font-family: var(--font-display);
    font-size: var(--text-landing-feature);
    font-weight: var(--font-weight-regular);
  }

  .m-cost-table small {
    display: block;
    font-weight: var(--font-weight-regular);
  }

  .m-article-section > .m-running-costs {
    grid-column: 4 / -1;
  }

  .m-running-costs {
    background: var(--color-transparent);
    border: var(--public-border-none);
    border-radius: var(--public-border-none);
    display: grid;
    gap: var(--space-5);
    max-inline-size: 72rem;
    padding: 0;
  }

  .m-running-costs [hidden] {
    display: none;
  }

  .m-running-costs__mode {
    display: grid;
    gap: var(--space-2);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-inline-size: 24rem;
  }

  .m-running-costs__mode button {
    background: var(--color-transparent);
    border: var(--border-hairline) solid var(--color-brand);
    border-radius: var(--radius-control);
    color: var(--color-brand);
    cursor: pointer;
    font-family: var(--font-label);
    font-size: inherit;
    font-weight: var(--font-weight-bold);
    min-block-size: 3rem;
    padding: var(--space-2) var(--space-4);
  }

  .m-running-costs__mode button[aria-pressed="true"] {
    background: var(--color-brand);
    color: var(--color-canvas);
  }

  .m-running-costs__mode-copy {
    font-size: var(--text-body);
    margin: 0;
    max-inline-size: var(--measure-copy);
  }

  .m-running-costs__panel {
    display: grid;
    gap: var(--space-4);
    min-inline-size: 0;
  }

  .m-running-costs__inputs,
  .m-running-costs fieldset,
  .m-running-costs__results,
  .m-running-costs__working-grid,
  .m-running-costs__working-grid article {
    display: grid;
    gap: var(--space-4);
    min-inline-size: 0;
  }

  .m-running-costs fieldset {
    border-width: var(--public-border-none);
    margin: 0;
    padding: 0;
  }

  .m-running-costs legend,
  .m-running-costs__results h3 {
    font-family: var(--font-display);
    font-size: var(--text-landing-feature);
    margin-block-end: var(--space-2);
  }

  .m-running-costs label {
    align-items: center;
    border-block-end: var(--border-hairline) solid var(--color-brand-muted);
    display: flex;
    gap: var(--space-4);
    justify-content: space-between;
    padding-block-end: var(--space-3);
  }

  .m-running-costs label > span {
    align-items: center;
    display: flex;
    flex: none;
    gap: var(--space-2);
  }

  .m-running-costs input {
    background: var(--color-canvas);
    border: var(--border-hairline) solid var(--color-ink);
    border-radius: var(--radius-control);
    color: var(--color-ink);
    font: inherit;
    inline-size: 5.5rem;
    min-block-size: 2.75rem;
    padding: var(--space-2);
    text-align: end;
  }

  .m-running-costs__results {
    align-content: start;
    background: var(--color-transparent);
    color: var(--color-ink);
    gap: var(--space-4);
    padding: 0;
  }

  .m-running-costs__error {
    align-self: start;
    margin: 0;
    padding: var(--space-4);
    border: var(--border-hairline) solid var(--color-border-strong);
    border-radius: var(--radius-control);
    background: var(--color-canvas);
    color: var(--color-ink);
  }

  .m-running-costs__answer {
    background: var(--color-brand);
    border-radius: var(--radius-card);
    color: var(--color-canvas);
    display: grid;
    gap: var(--space-3);
    padding: var(--space-6);
  }

  .m-running-costs__answer h3 {
    color: var(--color-canvas);
    margin: 0;
  }

  .m-running-costs__provenance {
    color: var(--color-label);
    font-family: var(--font-label);
    font-size: var(--text-label);
    letter-spacing: var(--tracking-label);
    margin: 0;
    text-transform: uppercase;
  }

  .m-running-costs__context {
    display: grid;
    gap: var(--space-2);
    margin: 0 var(--space-1);
  }

  .m-running-costs__qualification {
    font-size: var(--text-body);
    margin: 0;
  }

  .m-running-costs__basis {
    align-items: baseline;
    border-block-end: var(--border-hairline) solid var(--color-brand-muted);
    display: flex;
    gap: var(--space-4);
    justify-content: space-between;
    margin: 0;
    padding: var(--space-2) var(--space-1) var(--space-4);
  }

  .m-running-costs__basis strong {
    font-family: var(--font-label);
    font-size: var(--text-label);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
  }

  .m-running-costs__basis span {
    color: var(--color-label);
    text-align: end;
  }

  .m-running-costs__evidence {
    background: var(--color-surface);
    border: var(--border-hairline) solid var(--color-brand-muted);
    border-radius: var(--radius-card);
    display: grid;
    gap: var(--space-4);
    padding: var(--space-5);
  }

  .m-cost-chart {
    display: grid;
    gap: var(--space-4);
    inline-size: 100%;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .m-cost-chart li {
    align-items: baseline;
    display: grid;
    gap: var(--space-2) var(--space-4);
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .m-cost-chart[data-chart-state="ready"] li {
    align-items: stretch;
    grid-template-columns: minmax(0, 1fr);
    position: relative;
  }

  .m-cost-chart li > strong {
    font-family: var(--font-label);
  }

  .m-cost-chart li[data-relationship="emphasised"] > strong {
    color: var(--color-brand);
  }

  .m-cost-chart[data-chart-state="ready"] li > strong {
    font-size: 0.8rem;
    inset-block-end: 0;
    inset-inline-start: 0;
    line-height: 1.65rem;
    position: absolute;
    transform: translateX(calc(var(--cost-value-offset) + var(--space-2)));
    transition: transform 280ms cubic-bezier(0.33, 1, 0.68, 1);
    z-index: 1;
  }

  .m-cost-chart[data-chart-state="ready"] li.has-inside-value > strong {
    color: var(--color-ink);
    transform: translateX(calc(var(--cost-value-offset) - 100% - var(--space-2)));
  }

  .m-cost-chart__visual {
    background: var(--color-transparent);
    border-radius: var(--radius-pill);
    display: block;
    grid-column: 1 / -1;
    inline-size: 100%;
    min-block-size: 1.65rem;
    overflow: hidden;
  }

  .m-cost-chart__bar {
    background: var(--color-brand-muted);
    border-radius: var(--radius-pill);
    display: block;
    min-block-size: 1.65rem;
    opacity: 1;
  }

  .m-cost-chart [data-cost-row="heatPump"] .m-cost-chart__bar {
    background: var(--color-brand);
  }

  .m-cost-chart[data-chart-state="ready"] li.has-inside-value[data-cost-row="heatPump"] > strong {
    color: var(--color-canvas);
  }

  .m-running-costs__comparison {
    background: var(--color-transparent);
    border: var(--public-border-none);
    border-radius: var(--public-border-none);
    font-weight: var(--font-weight-bold);
    margin: 0;
    padding: 0;
  }

  .m-running-costs__comparison--split {
    display: grid;
    gap: var(--space-2);
  }

  .m-running-costs__adjust {
    background: var(--color-canvas);
    border: var(--border-hairline) solid var(--color-brand-muted);
    border-radius: var(--radius-control);
  }

  .m-running-costs__adjust {
    border-end-end-radius: var(--public-border-none);
    border-end-start-radius: var(--public-border-none);
  }

  .m-running-costs__adjust > summary {
    cursor: pointer;
    font-family: var(--font-label);
    font-weight: var(--font-weight-bold);
    list-style-position: inside;
  }

  .m-running-costs__adjust > summary {
    align-items: center;
    display: flex;
    gap: var(--space-4);
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
  }

  .m-running-costs__adjust > summary {
    background: var(--color-surface);
    color: var(--color-ink);
  }

  .m-running-costs__adjust > summary::after {
    content: "+";
    font-size: var(--text-landing-feature);
    font-weight: var(--font-weight-regular);
    line-height: 1;
  }

  .m-running-costs__adjust[open] > summary::after {
    content: "−";
  }

  .m-running-costs__adjust[open] > summary {
    border-block-end: var(--border-hairline) solid var(--color-brand-muted);
  }

  .m-running-costs__working {
    border-block-start: var(--border-hairline) solid var(--color-brand-muted);
    margin: 0 var(--space-5);
    padding-block-start: var(--space-5);
  }

  .m-running-costs__adjust > .m-running-costs__inputs,
  .m-running-costs__working-grid {
    padding: var(--space-5);
  }

  .m-running-costs__reset {
    background: var(--color-transparent);
    border: var(--border-hairline) solid var(--color-ink);
    border-radius: var(--radius-control);
    color: var(--color-ink);
    cursor: pointer;
    font: inherit;
    font-family: var(--font-label);
    font-weight: var(--font-weight-bold);
    justify-self: start;
    margin: 0 var(--space-5) var(--space-5);
    min-block-size: 2.75rem;
    padding: var(--space-2) var(--space-4);
  }

  .m-running-costs__inputs {
    gap: var(--space-6);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .m-running-costs__system {
    align-self: start;
    border-block-start: var(--border-hairline) solid var(--color-brand-muted);
    padding-block-start: var(--space-4);
  }

  .m-running-costs__system > h4 {
    font-family: var(--font-label);
    font-size: var(--text-label);
    margin: 0;
  }

  .m-running-costs__system > fieldset,
  .m-running-costs__system > p {
    margin-block-start: var(--space-4);
  }

  .m-running-costs__system > p {
    font-size: var(--text-label);
    margin-block-end: 0;
  }

  .m-running-costs__working-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .m-running-costs__working-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .m-running-costs__working-grid article {
    gap: var(--space-2);
  }

  .m-running-costs__working-grid :is(span, small) {
    margin: 0;
  }

  .m-related {
    background: var(--color-brand);
    color: var(--color-canvas);
  }

  .m-related__inner {
    align-items: center;
    display: grid;
    gap: var(--layout-gap);
    grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
    min-block-size: 19.5rem;
    padding-block: var(--space-16);
  }

  .m-related__inner > div:first-child {
    display: grid;
    gap: var(--space-3);
    max-inline-size: var(--measure-copy);
  }

  .m-related__inner h2 {
    color: var(--color-canvas);
    font-size: clamp(2.5rem, 4.4vw, 4rem);
    letter-spacing: var(--tracking-landing-display);
    line-height: 0.98;
  }

  .m-related__actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4) var(--space-6);
    justify-content: start;
    text-align: start;
  }

  .m-related__actions > a:last-child {
    font-family: var(--font-label);
    font-weight: var(--font-weight-bold);
  }

  .m-article-footer {
    block-size: auto;
    border-block-start: var(--border-hairline) solid var(--color-brand-muted);
  }

  .m-article-footer__inner {
    align-items: end;
    display: grid;
    gap: var(--layout-gap);
    grid-template-columns: 1fr auto;
    min-block-size: 12rem;
    padding-block: var(--space-10) var(--space-16);
  }

  .m-article-footer__links {
    display: grid;
    gap: var(--space-3) var(--space-8);
    grid-template-columns: repeat(2, max-content);
  }

  .m-article-footer__links a {
    font-size: 16px;
    text-decoration: none;
  }

  @media (max-width: 64rem) {
    .m-article-hero__grid,
    .m-article--project .m-article-hero__grid,
    .m-article-section,
    .m-related__inner {
      grid-template-columns: 1fr;
    }

    .m-article-hero__grid {
      min-block-size: 0;
    }

    .m-article-hero__grid > .u-stack,
    .m-article-hero--text > .u-stack {
      padding-block: var(--public-content-section-mobile) var(--space-6);
    }

    .m-article-hero h1 {
      font-size: var(--text-public-display-mobile);
    }

    .m-article-section > h2 {
      font-size: 1.5rem;
      max-inline-size: none;
    }

    .m-article-hero__media,
    .m-article--project .m-article-hero__media {
      aspect-ratio: 4 / 3;
      margin-block: var(--space-6) var(--public-content-section-mobile);
      min-block-size: 0;
    }

    .m-article-brief__grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      padding-block: var(--space-8);
    }

    .m-article-brief__intro {
      border-block-end: var(--border-hairline) solid var(--color-brand-muted);
      border-inline-end: var(--public-border-none);
      grid-column: 1 / -1;
      grid-row: auto;
      padding-block-end: var(--space-6);
      padding-inline-end: 0;
    }

    .m-article-moment__inner {
      padding-block: var(--public-content-section-mobile);
    }

    .m-article-section {
      padding-block: var(--public-content-section-mobile);
    }

    .m-article-section > h2,
    .m-article-section > :is(.m-prose, .m-card-grid, .m-steps, .m-guide-comparison, .m-bedroom-decisions, .m-number-callout, .m-number-grid, .m-note, .m-article-figure, .m-cost-table-region, .m-running-costs),
    .m-article-section > :is(p, a) {
      grid-column: 1;
      grid-row: auto;
    }

    .m-card-grid,
    .m-bedroom-decisions,
    .m-number-grid,
    .m-number-callout {
      grid-template-columns: 1fr;
    }

    .m-guide-comparison > div {
      grid-template-columns: 1fr;
    }

    .m-bedroom-decisions > div,
    .m-bedroom-decisions > div:first-child {
      border-block-start: var(--border-hairline) solid var(--color-brand-muted);
      border-inline-start: var(--public-border-none);
      padding-block: var(--space-5);
      padding-inline: 0;
    }

    .m-steps:not(.m-steps--timeline) {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .m-steps:not(.m-steps--timeline) li:nth-child(odd) {
      border-inline-start: var(--public-border-none);
      padding-inline-start: 0;
    }

    .m-related__inner {
      min-block-size: 0;
    }

    .m-article-footer__inner {
      align-items: start;
      grid-template-columns: 1fr;
      padding-block: var(--space-10) var(--space-16);
    }
  }

  @media (max-width: 36rem) {
    .m-article-brief__grid,
    .m-steps:not(.m-steps--timeline) {
      grid-template-columns: 1fr;
    }

    .m-article-brief__item,
    .m-article-brief__item:nth-child(3),
    .m-article-brief__item:nth-child(5),
    .m-article-brief__item:nth-child(n + 4) {
      border-block-start: var(--border-hairline) solid var(--color-brand-muted);
      border-inline-start: var(--public-border-none);
      padding-inline: 0;
    }

    .m-article-brief__item strong {
      min-block-size: 0;
    }

    .m-steps:not(.m-steps--timeline) li,
    .m-steps:not(.m-steps--timeline) li:nth-child(odd) {
      border-inline-start: var(--public-border-none);
      padding-inline: 0;
    }

    .m-running-costs,
    .m-running-costs__inputs,
    .m-running-costs__working-grid,
    .m-running-costs__working-grid--three {
      grid-template-columns: 1fr;
    }

    .m-running-costs {
      padding: 0;
    }

    .m-running-costs__results {
      padding: 0;
    }

    .m-running-costs__answer {
      padding: var(--space-5);
    }

    .m-running-costs__basis {
      align-items: start;
      flex-direction: column;
      gap: var(--space-2);
    }

    .m-running-costs__basis span {
      text-align: start;
    }

    .m-running-costs__evidence {
      padding: var(--space-4);
    }

    .m-running-costs__adjust > summary {
      align-items: start;
      flex-wrap: wrap;
    }

    .m-running-costs__adjust > summary small {
      margin-inline-start: 0;
      order: 3;
      inline-size: 100%;
    }

    .m-running-costs label {
      align-items: start;
      flex-direction: column;
      gap: var(--space-2);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .m-cost-chart[data-chart-state="ready"] li > strong {
      transition: none;
    }
  }

}