:root {
  --colour-navy: #0f233d;
  --colour-teal: #00a6a6;
  --colour-teal-rgb: 0, 166, 166;
  --colour-teal-dark: #008089;
  --colour-teal-dark-rgb: 0, 128, 137;
  --colour-teal-light: #53c8c8;
  --colour-teal-tint: #edf7f7;
  --colour-ink: #1e3446;
  --colour-muted: #5c6d7e;
  --colour-surface: #f5f8fa;
  --colour-border: #dae4e8;
  --colour-white: #ffffff;
  --colour-banner: #ffdf75;
  --colour-banner-border: #d39b00;
  --content-width: 72rem;
  --reading-width: 48rem;
  --shadow-soft: 0 0.75rem 2rem rgba(15, 35, 61, 0.09);
  --colour-accent-text: var(--colour-teal-dark);
}

.hero,
.page-introduction,
.credibility-section,
.enforcement-section,
.static-report-section {
  --colour-accent-text: var(--colour-navy);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 100%;
}

body {
  min-width: 18rem;
  margin: 0;
  color: var(--colour-ink);
  background: var(--colour-white);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 0.2rem solid var(--colour-teal-dark);
  outline-offset: 0.2rem;
}

.container {
  width: min(calc(100% - 3rem), var(--content-width));
  margin-inline: auto;
}

.narrow-container {
  max-width: var(--reading-width);
}

.development-banner {
  display: flex;
  justify-content: center;
  gap: 0.6rem 1rem;
  align-items: center;
  width: 100%;
  padding: 0.75rem 1.5rem;
  color: #332500;
  background: var(--colour-banner);
  border-bottom: 0.2rem solid var(--colour-banner-border);
  text-align: center;
}

.development-banner strong {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.development-banner span {
  font-size: 0.9rem;
}

.site-header {
  background: var(--colour-white);
  border-bottom: 0.0625rem solid var(--colour-border);
}

.header-layout {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: center;
  min-height: 5rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.wordmark img {
  display: block;
  height: 2.25rem;
  width: auto;
}

.primary-navigation {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.primary-navigation a {
  padding: 0.6rem 0.85rem;
  color: var(--colour-muted);
  border-radius: 0.45rem;
  font-size: 0.95rem;
  font-weight: 650;
  text-decoration: none;
}

.primary-navigation a:hover {
  color: var(--colour-navy);
  background: var(--colour-surface);
}

.primary-navigation a[aria-current="page"] {
  color: var(--colour-navy);
  background: var(--colour-teal-tint);
}

.hero {
  padding-block: clamp(4rem, 9vw, 7.5rem);
  background:
    radial-gradient(circle at 85% 20%, rgba(var(--colour-teal-rgb), 0.13), transparent 27rem),
    linear-gradient(145deg, #f3fbfb 0%, #ffffff 70%);
}

.hero-content {
  max-width: 58rem;
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--colour-accent-text);
  font-size: 0.8rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin-top: 0;
  color: var(--colour-navy);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 54rem;
  margin-right: auto;
  margin-bottom: 1.25rem;
  margin-left: auto;
  font-size: clamp(2.25rem, 6vw, 4.6rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
}

p {
  margin-top: 0;
}

.hero-summary,
.page-introduction p {
  color: var(--colour-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-summary {
  max-width: 45rem;
  margin: 0 auto 2rem;
}

.primary-action {
  display: inline-block;
  padding: 0.85rem 1.25rem;
  color: var(--colour-white);
  background: var(--colour-teal-dark);
  border-radius: 0.5rem;
  box-shadow: 0 0.45rem 1.1rem rgba(var(--colour-teal-dark-rgb), 0.2);
  font-weight: 750;
  text-decoration: none;
}

.primary-action:hover {
  background: var(--colour-navy);
}

.page-introduction {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  background: var(--colour-surface);
  border-bottom: 0.0625rem solid var(--colour-border);
}

.page-introduction h1 {
  max-width: none;
  margin-left: 0;
}

.page-introduction p:last-child {
  max-width: 43rem;
  margin-bottom: 0;
}

.content-section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.content-section p:last-child {
  margin-bottom: 0;
}

.section-heading {
  margin-bottom: 1.5rem;
}

.chart-section {
  background: var(--colour-white);
}

.chart-placeholder {
  margin: 0;
  padding: clamp(0.75rem, 2vw, 1.25rem);
  background: var(--colour-surface);
  border: 0.125rem dashed #95a5b5;
  border-radius: 1rem;
  box-shadow: var(--shadow-soft);
}

.chart-placeholder svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 15rem;
}

.placeholder-background {
  fill: #edf1f5;
  stroke: #bdc8d3;
  stroke-width: 2;
}

.placeholder-icon {
  fill: #a8b5c2;
}

.placeholder-title,
.placeholder-copy,
.placeholder-note {
  fill: var(--colour-ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

.placeholder-title {
  font-size: 25px;
  font-weight: 750;
}

.placeholder-copy {
  fill: var(--colour-muted);
  font-size: 16px;
}

.placeholder-note {
  fill: #64778a;
  font-size: 14px;
  font-weight: 650;
}

.chart-placeholder figcaption {
  padding: 0.85rem 0.5rem 0.25rem;
  color: var(--colour-muted);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer {
  padding-block: 1.5rem;
  color: #d9e2ec;
  background: var(--colour-navy);
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

@media (max-width: 40rem) {
  .container {
    width: min(calc(100% - 2rem), var(--content-width));
  }

  .development-banner {
    display: block;
    padding: 0.7rem 1rem;
  }

  .development-banner strong,
  .development-banner span {
    display: block;
  }

  .development-banner span {
    margin-top: 0.15rem;
    font-size: 0.8rem;
    line-height: 1.4;
  }

  .header-layout {
    display: block;
    padding-block: 1.1rem;
  }

  .wordmark {
    display: inline-block;
    margin-bottom: 1rem;
  }

  .primary-navigation {
    width: 100%;
  }

  .primary-navigation a {
    flex: 1;
    padding-inline: 0.55rem;
    text-align: center;
  }

  .hero-content {
    text-align: left;
  }

  .hero h1,
  .hero-summary {
    margin-left: 0;
  }

  .primary-action {
    width: 100%;
    text-align: center;
  }

  .chart-placeholder {
    padding: 0.5rem;
  }

  .chart-placeholder svg {
    min-height: 12rem;
  }

  .placeholder-title {
    font-size: 22px;
  }

  .placeholder-copy {
    font-size: 14px;
  }

  .placeholder-note {
    font-size: 12px;
  }
}