@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;700&display=swap");

:root {
  --teal: #0d4a4c;
  --teal-deep: #083536;
  --teal-mid: #156365;
  --coral: #e85a4f;
  --coral-deep: #c9443a;
  --bone: #f2ebe0;
  --bone-dim: #e5dcd0;
  --bone-bright: #faf7f2;
  --ink: #142222;
  --muted: #4a5c5c;
  --line: rgba(13, 74, 76, 0.22);
  --band-a: #f2ebe0;
  --band-b: #e8efe9;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --measure: 68ch;
  --wrap: 72rem;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --radius: 0;
  --shadow-one: 0 10px 28px rgba(8, 53, 54, 0.18);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bone);
  background-image: linear-gradient(
    180deg,
    var(--band-a) 0,
    var(--band-a) 12rem,
    var(--band-b) 12rem,
    var(--band-b) 28rem,
    var(--band-a) 28rem,
    var(--band-a) 48rem,
    var(--band-b) 48rem,
    var(--band-b) 68rem,
    var(--band-a) 68rem
  );
  background-attachment: fixed;
}

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

a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--coral-deep);
}

.list-links a,
.nav-index a,
.footer-dir a,
.toc a,
.safety-band a {
  text-decoration: none;
}

.list-links a::after,
.footer-dir a::after,
.nav-index a::after {
  content: " \2192";
  font-weight: 700;
  color: var(--coral);
}

.skip-link {
  position: absolute;
  inset-inline-start: var(--space-3);
  inset-block-start: -100%;
  background: var(--coral);
  color: var(--bone-bright);
  padding: var(--space-2) var(--space-3);
  z-index: 1000;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  inset-block-start: var(--space-2);
}

.age-bar {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: var(--teal-deep);
  color: var(--bone);
  font-size: 0.875rem;
  line-height: 1.4;
  padding: 0.55rem var(--space-3);
  border-block-end: 2px solid var(--coral);
}

.age-bar a {
  color: var(--bone-bright);
  font-weight: 700;
}

.age-bar__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  align-items: center;
  justify-content: space-between;
}

.age-bar__mark {
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

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

.site-header {
  background: var(--teal);
  color: var(--bone);
  padding-block: var(--space-3);
}

.site-header a {
  color: var(--bone);
  text-decoration: none;
}

.site-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand__mark {
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
}

.brand__name {
  font-size: 1.05rem;
  line-height: 1.2;
}

.nav-index {
  position: relative;
}

.nav-index__btn {
  appearance: none;
  border: 1px solid var(--bone);
  background: transparent;
  color: var(--bone);
  font: inherit;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
}

.nav-index__btn:hover,
.nav-index__btn[aria-expanded="true"] {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--bone-bright);
}

.nav-index__panel {
  display: none;
  position: absolute;
  inset-inline-end: 0;
  inset-block-start: calc(100% + 0.35rem);
  min-width: 16rem;
  background: var(--bone-bright);
  color: var(--ink);
  border: 1px solid var(--teal);
  padding: var(--space-3);
  z-index: 40;
}

.nav-index__panel.is-open {
  display: block;
}

.nav-index__panel a {
  color: var(--teal);
  display: block;
  padding: 0.35rem 0;
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-index__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.35rem;
}

.nav-index__group + .nav-index__group {
  margin-block-start: var(--space-3);
  padding-block-start: var(--space-2);
  border-block-start: 1px solid var(--line);
}

.kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
  margin: 0 0 var(--space-2);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--teal-deep);
  margin: 0 0 var(--space-3);
}

h1 {
  font-size: clamp(1.85rem, 4.5vw, 3rem);
}

h2 {
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
}

h3 {
  font-size: 1.15rem;
}

.lead {
  font-size: 1.0625rem;
  max-width: var(--measure);
}

.band {
  padding-block: var(--space-5);
}

.band--tint {
  background: rgba(13, 74, 76, 0.06);
}

.band--teal {
  background: var(--teal);
  color: var(--bone);
}

.band--teal h2,
.band--teal h3,
.band--teal .kicker {
  color: var(--bone-bright);
}

.band--teal a {
  color: var(--bone-bright);
}

.inset {
  background: var(--bone-bright);
  padding: var(--space-4);
  position: relative;
}

.inset::before,
.inset::after {
  content: "";
  position: absolute;
  width: 0.7rem;
  height: 0.7rem;
  border-color: var(--teal);
  border-style: solid;
  pointer-events: none;
}

.inset::before {
  inset-block-start: 0.35rem;
  inset-inline-start: 0.35rem;
  border-width: 2px 0 0 2px;
}

.inset::after {
  inset-block-end: 0.35rem;
  inset-inline-end: 0.35rem;
  border-width: 0 2px 2px 0;
}

.corner {
  position: relative;
}

.corner::before,
.corner::after {
  content: "";
  position: absolute;
  width: 0.65rem;
  height: 0.65rem;
  border-color: var(--coral);
  border-style: solid;
  pointer-events: none;
}

.corner::before {
  inset-block-start: 0;
  inset-inline-start: 0;
  border-width: 2px 0 0 2px;
}

.corner::after {
  inset-block-end: 0;
  inset-inline-end: 0;
  border-width: 0 2px 2px 0;
}

.section-break {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding-block: var(--space-4);
  color: var(--coral);
  font-size: 0.85rem;
}

.section-break::before,
.section-break::after {
  content: "";
  height: 1px;
  width: min(8rem, 20vw);
  background: var(--line);
}

.section-break__glyph {
  width: 0.55rem;
  height: 0.55rem;
  background: var(--coral);
  transform: rotate(45deg);
}

.hero-split {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 800px) {
  .hero-split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }
}

.hero-panel {
  padding: var(--space-4);
  background: var(--bone-bright);
  position: relative;
}

.hero-panel--is {
  border-inline-start: 4px solid var(--teal);
}

.hero-panel--isnt {
  border-inline-start: 4px solid var(--coral);
}

.hero-panel h2 {
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-panel li {
  padding-inline-start: 1.1rem;
  text-indent: -1.1rem;
  margin-block: 0.55rem;
}

.hero-panel li::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--coral);
  transform: rotate(45deg);
  margin-inline-end: 0.55rem;
  vertical-align: 0.15rem;
}

.hero-panel--is li::before {
  background: var(--teal);
}

.cred-strip {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  margin-block: var(--space-4);
}

.cred-item {
  padding: var(--space-3);
  background: var(--teal);
  color: var(--bone);
}

.cred-item strong {
  display: block;
  font-size: 1.65rem;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-block-end: 0.35rem;
}

.cred-item span {
  font-size: 0.85rem;
  opacity: 0.9;
}

.disclosure {
  font-size: 0.95rem;
  padding: var(--space-3);
  background: rgba(232, 90, 79, 0.1);
  border-inline-start: 3px solid var(--coral);
  max-width: var(--measure);
}

.deck {
  display: grid;
  gap: var(--space-3);
  grid-auto-flow: column;
  grid-auto-columns: minmax(17rem, 20rem);
  overflow-x: auto;
  padding-block-end: var(--space-3);
  scroll-snap-type: x mandatory;
}

@media (max-width: 699px) {
  .deck {
    grid-auto-flow: row;
    grid-auto-columns: unset;
    overflow: visible;
  }
}

.deck__card {
  scroll-snap-align: start;
  background: var(--bone-bright);
  padding: var(--space-3);
  display: grid;
  gap: var(--space-2);
  min-height: 100%;
  border: 1px solid transparent;
  position: relative;
}

.deck__card:nth-child(odd) {
  background: #fff8f0;
}

.deck__card:nth-child(even) {
  background: #eef5f2;
}

.deck__card:nth-child(3n) {
  background: #f7efe8;
}

.timeline {
  position: relative;
  display: grid;
  gap: var(--space-4);
  padding-inline-start: 1.5rem;
}

.timeline::before {
  content: "";
  position: absolute;
  inset-inline-start: 0.35rem;
  inset-block: 0.25rem;
  width: 2px;
  background: var(--line);
}

.op-card {
  background: var(--bone-bright);
  display: grid;
  position: relative;
}

.op-card::before {
  content: attr(data-index);
  position: absolute;
  inset-inline-start: -1.55rem;
  inset-block-start: 1.35rem;
  width: 1.1rem;
  height: 1.1rem;
  background: var(--coral);
  color: var(--bone-bright);
  font-size: 0.65rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  z-index: 1;
}

.op-card__body {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
}

@media (min-width: 800px) {
  .op-card__body {
    grid-template-columns: 1fr auto;
    align-items: stretch;
  }
}

.op-card__facts {
  min-width: 0;
}

.op-card__action {
  border-block-start: 1px solid var(--line);
  padding-block-start: var(--space-3);
  display: grid;
  gap: var(--space-2);
  align-content: start;
  min-width: 12rem;
}

@media (min-width: 800px) {
  .op-card__action {
    border-block-start: 0;
    border-inline-start: 1px solid var(--line);
    padding-block-start: 0;
    padding-inline-start: var(--space-4);
  }
}

.op-card__head {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  margin-block-end: var(--space-3);
}

.op-card__logo {
  width: 4.5rem;
  height: 2.75rem;
  object-fit: contain;
  background: #fff;
  padding: 0.25rem;
}

.op-card__logo-fallback {
  width: 4.5rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  background: var(--teal);
  color: var(--bone);
  font-weight: 700;
  font-size: 0.75rem;
}

.score-pair {
  display: grid;
  gap: 0.35rem;
  margin-block: var(--space-3);
}

.score-pair__overall {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 1.15rem;
  color: var(--teal-deep);
}

.score-bar {
  height: 0.45rem;
  background: var(--bone-dim);
  position: relative;
  overflow: hidden;
}

.score-bar__fill {
  height: 100%;
  width: 0;
  background: var(--coral);
  transition: width 0.9s ease;
}

.score-bar.is-filled .score-bar__fill {
  width: var(--score);
}

.score-pair__lead {
  font-size: 0.875rem;
  color: var(--muted);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-block: var(--space-2);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(13, 74, 76, 0.08);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}

.badge--mobile .badge__dot {
  background: var(--coral);
}

.badge--live .badge__dot {
  background: var(--teal-mid);
}

.badge--uk .badge__dot {
  background: #2f6b4f;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.7rem 1.1rem;
  border: 2px solid var(--teal);
  background: transparent;
  color: var(--teal);
  text-decoration: none;
  cursor: pointer;
  text-align: center;
}

.btn:hover,
.btn:focus-visible {
  background: var(--teal);
  color: var(--bone-bright);
  text-decoration: none;
}

.btn--coral {
  border-color: var(--coral);
  color: var(--coral-deep);
}

.btn--coral:hover,
.btn--coral:focus-visible {
  background: var(--coral);
  color: var(--bone-bright);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
  font-weight: 400;
}

.btn--block {
  width: 100%;
}

.fine {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.45;
}

.checked-chip {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid var(--line);
  padding: 0.2rem 0.5rem;
}

.worth {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bone-bright);
  border: 1px solid var(--teal);
  max-width: 40rem;
}

.worth__icon {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--coral);
}

.worth h3 {
  margin-block-end: 0.35rem;
  font-size: 1rem;
}

.worth p {
  margin: 0;
  font-size: 0.95rem;
}

.claims-box {
  display: grid;
  gap: var(--space-3);
}

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

.claims-col {
  padding: var(--space-3);
  background: var(--bone-bright);
}

.claims-col h3 {
  font-size: 1rem;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--bone-bright);
  padding: var(--space-2);
}

.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
  min-width: 40rem;
}

.compare-table th,
.compare-table td {
  padding: 0.7rem 0.85rem;
  text-align: start;
  border-block-end: 1px solid var(--line);
  vertical-align: top;
  white-space: nowrap;
}

.compare-table th:first-child,
.compare-table td:first-child {
  position: sticky;
  inset-inline-start: 0;
  background: var(--bone-bright);
  z-index: 1;
  font-weight: 700;
  min-width: 8.5rem;
  white-space: normal;
  box-shadow: none;
}

.compare-table thead th {
  background: var(--teal);
  color: var(--bone);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.compare-table thead th:first-child {
  background: var(--teal);
  z-index: 2;
}

.compare-table tbody tr:hover td {
  background: rgba(232, 90, 79, 0.06);
}

.compare-table tbody tr:hover td:first-child {
  background: #f7efe8;
}

.fig-panel {
  background: rgba(13, 74, 76, 0.08);
  padding: var(--space-4);
  margin-block: var(--space-4);
}

.fig-panel img {
  margin-inline: auto;
  max-height: 18rem;
  object-fit: contain;
}

.fig-panel figcaption {
  margin-block-start: var(--space-2);
  font-size: 0.8rem;
  font-family: var(--font);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.toc {
  background: var(--bone-bright);
  padding: var(--space-3);
  margin-block-end: var(--space-4);
  max-width: 28rem;
}

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.toc li {
  counter-increment: toc;
  padding-inline-start: 1.6rem;
  text-indent: -1.6rem;
  margin-block: 0.35rem;
}

.toc li::before {
  content: counter(toc, decimal-leading-zero) " ";
  font-weight: 700;
  color: var(--coral);
  font-variant-numeric: tabular-nums;
}

.hang {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hang li {
  padding-inline-start: 1.25rem;
  text-indent: -1.25rem;
  margin-block: 0.55rem;
}

.faq-tier {
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  background: var(--bone-bright);
  padding: var(--space-3);
  border-inline-start: 3px solid var(--teal);
}

.faq-item--myth {
  border-inline-start-color: var(--coral);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

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

.faq-item .short {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
}

.faq-item[open] .detail {
  margin-block-start: var(--space-2);
  padding-block-start: var(--space-2);
  border-block-start: 1px solid var(--line);
}

.safety-band {
  background: var(--coral);
  color: var(--bone-bright);
  padding-block: var(--space-4);
}

.safety-band h2,
.safety-band .kicker {
  color: var(--bone-bright);
}

.safety-band a {
  color: var(--bone-bright);
  font-weight: 700;
  text-decoration: underline;
}

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

.safety-card {
  background: rgba(255, 255, 255, 0.14);
  padding: var(--space-3);
  display: grid;
  gap: var(--space-2);
  justify-items: start;
  text-decoration: none;
}

.safety-card img {
  height: 2rem;
  width: auto;
  object-fit: contain;
  background: #fff;
  padding: 0.2rem;
}

.safety-card span {
  font-weight: 700;
  color: var(--bone-bright);
  text-decoration: underline;
}

.cta-band {
  background: var(--teal-deep);
  color: var(--bone);
  padding-block: var(--space-5);
  text-align: start;
}

.cta-band h2 {
  color: var(--bone-bright);
}

.site-footer {
  background: var(--teal);
  color: var(--bone);
  padding-block: var(--space-5) var(--space-4);
}

.site-footer a {
  color: var(--bone-bright);
}

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

.footer-dir h3 {
  color: var(--bone);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-block-end: var(--space-2);
}

.footer-dir ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-dir li {
  margin-block: 0.3rem;
}

.footer-wordmark {
  font-size: clamp(2.2rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: var(--bone-bright);
  margin: var(--space-4) 0;
  opacity: 0.95;
}

.footer-notice {
  font-size: 0.85rem;
  line-height: 1.55;
  max-width: 58rem;
  opacity: 0.95;
}

.footer-notice + .footer-notice {
  margin-block-start: var(--space-3);
}

.cookie-banner {
  position: fixed;
  inset-inline: var(--space-3);
  inset-block-end: var(--space-3);
  z-index: 60;
  background: var(--bone-bright);
  color: var(--ink);
  padding: var(--space-3);
  border: 2px solid var(--teal);
  max-width: 28rem;
  margin-inline-start: auto;
  box-shadow: var(--shadow-one);
  display: none;
}

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

.cookie-banner p {
  margin: 0 0 var(--space-3);
  font-size: 0.9rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.icon-duo {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-block;
  vertical-align: -0.2rem;
}

.prose {
  max-width: var(--measure);
}

.prose > * + * {
  margin-block-start: 1rem;
}

.prose h2 {
  margin-block-start: 2rem;
}

.page-hero {
  padding-block: var(--space-5) var(--space-4);
}

.meta-line {
  font-size: 0.875rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.form-stack {
  display: grid;
  gap: var(--space-3);
  max-width: 28rem;
}

.form-stack label {
  display: grid;
  gap: 0.35rem;
  font-weight: 700;
  font-size: 0.9rem;
}

.form-stack input,
.form-stack textarea {
  font: inherit;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--teal);
  background: var(--bone-bright);
  color: var(--ink);
  border-radius: 0;
}

.form-stack input:focus,
.form-stack textarea:focus {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .score-bar__fill {
    transition: none;
  }
}