:root {
  --c-base: #e8eaed;
  --c-ink: #1a1d23;
  --c-cobalt: #1e4db7;
  --c-coral: #ff5a3c;
  --c-white: #ffffff;
  --c-muted: #5c6570;
  --c-step: #dfe2e8;
  --font-display: "Nunito", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --max: 72rem;
  --radius: 0;
  --ease: 0.25s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-base);
  background-image:
    linear-gradient(135deg, transparent 48%, rgba(30, 77, 183, 0.04) 48%, rgba(30, 77, 183, 0.04) 52%, transparent 52%),
    radial-gradient(circle at 8% 12%, rgba(255, 90, 60, 0.06) 0 2.5rem, transparent 2.6rem),
    radial-gradient(circle at 94% 8%, rgba(30, 77, 183, 0.07) 0 1.8rem, transparent 1.9rem),
    radial-gradient(circle at 90% 88%, rgba(255, 90, 60, 0.05) 0 2rem, transparent 2.1rem);
  background-attachment: fixed;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--c-cobalt);
  text-decoration: none;
  letter-spacing: 0;
  transition: letter-spacing var(--ease);
}

a:hover {
  letter-spacing: 0.03em;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--c-coral);
  outline-offset: 2px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-4);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.15rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 var(--space-4); max-width: 70ch; }

.skip-link {
  position: absolute;
  inset-inline-start: var(--space-4);
  inset-block-start: -100%;
  background: var(--c-cobalt);
  color: var(--c-white);
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
}

.skip-link:focus {
  inset-block-start: var(--space-4);
}

.age-bar {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: var(--c-ink);
  color: var(--c-white);
  font-size: 0.8125rem;
  padding: var(--space-2) var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  align-items: center;
  justify-content: space-between;
}

.age-bar a {
  color: var(--c-white);
  text-decoration: underline;
}

.site-header {
  background: var(--c-white);
  padding: var(--space-4) var(--space-5);
  border-block-end: 0;
}

.site-header__inner {
  max-width: var(--max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--c-ink);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
}

.brand:hover { letter-spacing: 0; }

.brand__mark {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
}

.brand__mark img,
.brand__mark svg {
  width: 100%;
  height: 100%;
}

.header-note {
  font-size: 0.8125rem;
  color: var(--c-muted);
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.band {
  position: relative;
  padding-block: var(--space-7);
}

.band--white { background: var(--c-white); }
.band--base { background: var(--c-base); }
.band--cobalt {
  background: var(--c-cobalt);
  color: var(--c-white);
}
.band--cobalt a { color: var(--c-white); text-decoration: underline; }
.band--coral {
  background: var(--c-coral);
  color: var(--c-white);
}
.band--coral a { color: var(--c-white); text-decoration: underline; }
.band--step { background: var(--c-step); }

.band--diagonal {
  clip-path: polygon(0 1.5rem, 100% 0, 100% calc(100% - 1.5rem), 0 100%);
  padding-block: calc(var(--space-7) + 1.5rem);
}

.band--diagonal-flip {
  clip-path: polygon(0 0, 100% 1.5rem, 100% 100%, 0 calc(100% - 1.5rem));
  padding-block: calc(var(--space-7) + 1.5rem);
}

.hero {
  background: var(--c-cobalt);
  color: var(--c-white);
  padding-block: var(--space-8);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 55%, rgba(255, 90, 60, 0.85) 55%),
    url("/assets/hero-colour-blocks.png") center / cover no-repeat;
  opacity: 0.35;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.hero__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: var(--space-3);
  opacity: 0.9;
}

.hero h1 {
  max-width: 18ch;
  margin-bottom: var(--space-4);
}

.hero__honesty {
  max-width: 52ch;
  font-size: 1rem;
  opacity: 0.95;
  border-inline-start: 3px solid var(--c-white);
  padding-inline-start: var(--space-4);
}

.cred-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-block: var(--space-6);
}

.cred-strip__item {
  background: var(--c-white);
  padding: var(--space-5);
}

.cred-strip__num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-cobalt);
  display: block;
}

.cred-strip__label {
  font-size: 0.875rem;
  color: var(--c-muted);
}

.section-label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--c-cobalt);
  margin-bottom: var(--space-3);
}

.section-label--on-dark { color: var(--c-white); }

.heading-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.copy-link {
  background: transparent;
  border: 0;
  color: var(--c-cobalt);
  cursor: pointer;
  font-size: 0.875rem;
  padding: var(--space-1);
  opacity: 0.5;
}

.copy-link:hover,
.heading-row:hover .copy-link {
  opacity: 1;
}

.layout-with-aside {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .layout-with-aside {
    grid-template-columns: minmax(0, 1fr) 16rem;
    align-items: start;
  }
  .glossary-aside {
    position: sticky;
    inset-block-start: 4rem;
  }
}

.glossary-aside {
  background: var(--c-white);
  padding: var(--space-5);
  font-size: 0.9rem;
}

.glossary-aside h3 {
  font-size: 1rem;
  margin-bottom: var(--space-3);
}

.glossary-aside dt {
  font-weight: 700;
  margin-top: var(--space-3);
}

.glossary-aside dd {
  margin: var(--space-1) 0 0;
  color: var(--c-muted);
}

.disclosure {
  background: var(--c-step);
  padding: var(--space-4) var(--space-5);
  font-size: 0.9rem;
  margin-block: var(--space-5);
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.accordion__item {
  background: var(--c-white);
}

.accordion__item[open] {
  background: var(--c-step);
}

.accordion__summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4) var(--space-5);
}

.accordion__summary::-webkit-details-marker { display: none; }

.op-logo-plate {
  width: 4.5rem;
  height: 4.5rem;
  background: var(--c-white);
  display: grid;
  place-items: center;
  padding: var(--space-2);
}

.op-logo-plate img {
  max-width: 100%;
  max-height: 2.75rem;
  object-fit: contain;
}

.op-meta h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.2rem;
}

.grade {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--c-cobalt);
  line-height: 1;
  text-align: end;
}

.grade small {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-top: var(--space-1);
}

.badge-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  border: 1px solid var(--c-cobalt);
  padding: var(--space-2);
  margin: var(--space-3) 0;
}

.badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-cobalt);
  padding: 0.15rem 0.4rem;
}

.accordion__body {
  padding: 0 var(--space-5) var(--space-5);
  border-block-start: 0;
}

.scorecard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.scorecard__cell {
  background: var(--c-white);
  padding: var(--space-3);
  font-size: 0.875rem;
}

.scorecard__cell strong {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-muted);
  margin-bottom: var(--space-1);
}

.checked-chip {
  display: inline-block;
  font-size: 0.75rem;
  background: var(--c-cobalt);
  color: var(--c-white);
  padding: 0.2rem 0.55rem;
  margin: var(--space-2) 0;
}

.licence-box {
  font-size: 0.85rem;
  background: var(--c-base);
  padding: var(--space-3);
  margin: var(--space-3) 0;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin-top: var(--space-4);
}

.btn {
  display: inline-flex;
  align-items: stretch;
  padding: 0;
  border: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--c-white);
}

.btn__label {
  background: var(--c-coral);
  color: var(--c-white);
  padding: 0.75rem 1.1rem;
  display: inline-flex;
  align-items: center;
}

.btn__chev {
  background: var(--c-ink);
  color: var(--c-white);
  padding: 0.75rem 0.85rem;
  display: inline-flex;
  align-items: center;
}

.btn:hover { letter-spacing: 0; }
.btn:hover .btn__label { filter: brightness(1.05); }

.btn--ghost .btn__label {
  background: transparent;
  color: var(--c-cobalt);
  box-shadow: inset 0 0 0 2px var(--c-cobalt);
}

.btn--ghost .btn__chev {
  background: var(--c-cobalt);
}

.note-18 {
  font-size: 0.75rem;
  color: var(--c-muted);
  margin-top: var(--space-3);
}

.cutout-figure {
  margin: var(--space-5) 0;
  max-width: 28rem;
}

.cutout-figure img {
  mix-blend-mode: multiply;
}

.cutout-figure figcaption {
  font-size: 0.75rem;
  font-family: ui-monospace, monospace;
  color: var(--c-muted);
  margin-top: var(--space-2);
}

.claims-block {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 700px) {
  .claims-block {
    grid-template-columns: 1fr 1fr;
  }
}

.claims-block__col {
  padding: var(--space-5);
}

.claims-block__col--claim {
  background: var(--c-step);
}

.claims-block__col--fact {
  background: var(--c-cobalt);
  color: var(--c-white);
}

.safety-mid {
  background: var(--c-coral);
  color: var(--c-white);
  padding-block: var(--space-6);
}

.safety-mid h2 { color: var(--c-white); }

.safety-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.safety-card {
  background: var(--c-white);
  color: var(--c-ink);
  padding: var(--space-4);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 7rem;
}

.safety-card:hover { letter-spacing: 0; }

.safety-card img {
  height: 2rem;
  width: auto;
  object-fit: contain;
  object-position: left center;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-list details {
  background: var(--c-white);
}

.faq-list summary {
  cursor: pointer;
  padding: var(--space-4) var(--space-5);
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list .faq-a {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--c-muted);
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
  display: grid;
  gap: var(--space-4);
}

.steps li {
  position: relative;
  padding-inline-start: 3.25rem;
  counter-increment: step;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0;
  width: 2.4rem;
  height: 2.4rem;
  border: 2px solid var(--c-cobalt);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--c-cobalt);
  background: var(--c-white);
}

.table-wrap {
  overflow-x: auto;
  background: var(--c-white);
  padding: var(--space-2);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

table.data thead th {
  position: sticky;
  inset-block-start: 0;
  background: var(--c-cobalt);
  color: var(--c-white);
  text-align: start;
  padding: var(--space-3);
  font-weight: 700;
  z-index: 1;
}

table.data td {
  padding: var(--space-3);
  background: var(--c-white);
  border-block-end: 1px solid var(--c-step);
}

.site-footer {
  background: var(--c-ink);
  color: var(--c-white);
  padding-block: var(--space-7);
  margin-block-start: 0;
}

.site-footer a {
  color: var(--c-white);
  text-decoration: underline;
}

.compliance-block {
  background: var(--c-cobalt);
  color: var(--c-white);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
  font-size: 0.95rem;
}

.compliance-block a { color: var(--c-white); }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.footer-nav h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-3);
  color: var(--c-white);
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 0.9rem;
}

.footer-nav a {
  text-decoration: none;
  text-transform: lowercase;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
}

.cookie-banner {
  position: fixed;
  inset-inline: var(--space-4);
  inset-block-end: var(--space-4);
  z-index: 80;
  background: var(--c-white);
  color: var(--c-ink);
  padding: var(--space-4) var(--space-5);
  display: none;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 40rem;
  margin-inline: auto;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2rem);
  box-shadow: 0 8px 28px rgba(26, 29, 35, 0.18);
}

.cookie-banner.is-visible { display: flex; }

.cookie-banner p {
  margin: 0;
  font-size: 0.875rem;
  max-width: none;
}

.prose-page h1 { margin-top: var(--space-6); }

.stagger > * {
  opacity: 0;
  transform: translateY(0.6rem);
}

.stagger.is-in > * {
  animation: rise 0.45s ease forwards;
}

.stagger.is-in > *:nth-child(1) { animation-delay: 0.02s; }
.stagger.is-in > *:nth-child(2) { animation-delay: 0.08s; }
.stagger.is-in > *:nth-child(3) { animation-delay: 0.14s; }
.stagger.is-in > *:nth-child(4) { animation-delay: 0.2s; }
.stagger.is-in > *:nth-child(5) { animation-delay: 0.26s; }
.stagger.is-in > *:nth-child(6) { animation-delay: 0.32s; }
.stagger.is-in > *:nth-child(7) { animation-delay: 0.38s; }
.stagger.is-in > *:nth-child(8) { animation-delay: 0.44s; }

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .stagger > *,
  .stagger.is-in > * {
    opacity: 1;
    transform: none;
    animation: none;
  }
  a { transition: none; }
}

@media (max-width: 640px) {
  .accordion__summary {
    grid-template-columns: 3.5rem 1fr;
    grid-template-areas:
      "logo grade"
      "meta meta";
  }
  .op-logo-plate { grid-area: logo; width: 3.5rem; height: 3.5rem; }
  .op-meta { grid-area: meta; }
  .grade { grid-area: grade; }
  .cred-strip { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .btn__label { flex: 1; justify-content: center; }
}