@layer pages {
  .seo-shell {
    display: grid;
    gap: clamp(2.25rem, 6vw, 5rem);
    max-width: var(--page);
  }

  .home-discovery {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(1.5rem, 4vw, 3rem);
    margin: 1rem 0 1.25rem;
    padding: clamp(1.25rem, 3vw, 2rem);
    background: linear-gradient(115deg, var(--white), var(--foam));
  }

  .home-discovery h2 {
    margin: .3rem 0 .55rem;
  }

  .home-discovery p:last-child {
    max-width: 700px;
    color: var(--ink-soft);
  }

  .home-discovery nav {
    display: grid;
    min-width: 245px;
    gap: .45rem;
  }

  .home-discovery a {
    color: var(--deep);
    font-size: .82rem;
    font-weight: 850;
  }

  .seo-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .55rem;
    margin-bottom: -2.5rem;
    color: var(--ink-soft);
    font-size: .78rem;
    font-weight: 700;
  }

  .seo-breadcrumbs a:hover {
    color: var(--deep);
  }

  .seo-hero {
    display: grid;
    min-height: 460px;
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr);
    align-items: center;
    gap: clamp(2rem, 6vw, 5rem);
    overflow: hidden;
    padding: clamp(2rem, 6vw, 5rem);
    border-radius: var(--radius-xl);
    background:
      radial-gradient(circle at 78% 18%, #fff5 0 4rem, transparent 4.1rem),
      linear-gradient(135deg, #073b4c, #0b5363);
    color: #fff;
    box-shadow: var(--shadow-lg);
  }

  .seo-hero .eyebrow {
    color: color-mix(in srgb, var(--aqua) 65%, white);
  }

  .seo-hero h1 {
    max-width: 15ch;
    margin: .45rem 0 1rem;
    overflow-wrap: anywhere;
  }

  .seo-hero .lede {
    max-width: 42rem;
    color: #e5f5f1d9;
  }

  .seo-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .7rem;
    margin-top: 1.5rem;
  }

  .seo-hero .button-primary {
    background: var(--gold);
    color: #112b32;
  }

  .seo-hero .button-secondary {
    border-color: #fff5;
    background: #fff1;
    color: #fff;
  }

  .seo-hero-art {
    position: relative;
    display: grid;
    min-height: 290px;
    place-items: center;
    border: 1px solid #fff2;
    border-radius: 46% 54% 58% 42% / 52% 39% 61% 48%;
    background: radial-gradient(circle at 40% 30%, #42d5c64a, transparent 55%), #021d2a55;
    transform: rotate(-3deg);
  }

  .seo-hero > *,
  .seo-actions,
  .seo-hero-art {
    min-width: 0;
  }

  .seo-fish-mark {
    position: relative;
    display: flex;
    align-items: center;
    gap: .1rem;
    color: #fff;
    font-size: clamp(3.1rem, 7vw, 6rem);
    font-weight: 950;
    letter-spacing: -.12em;
    text-shadow: 0 18px 30px #0018;
    transform: rotate(3deg);
  }

  .seo-fish-mark::before,
  .seo-fish-mark::after {
    width: 0;
    height: 0;
    border-top: .48em solid transparent;
    border-bottom: .48em solid transparent;
    content: "";
  }

  .seo-fish-mark::before {
    margin-right: .12em;
    border-right: .65em solid #fff;
  }

  .seo-fish-mark::after {
    margin-left: .2em;
    border-left: .58em solid var(--gold);
  }

  .seo-fish-mark i {
    font-style: normal;
  }

  .seo-fish-mark i:nth-child(1) {
    color: var(--aqua);
  }

  .seo-fish-mark i:nth-child(3) {
    color: var(--gold);
  }

  .seo-bubble {
    position: absolute;
    border: 2px solid #fff7;
    border-radius: 50%;
  }

  .seo-bubble-one {
    width: 22px;
    height: 22px;
    right: 15%;
    top: 13%;
  }

  .seo-bubble-two {
    width: 10px;
    height: 10px;
    right: 25%;
    top: 27%;
  }

  .seo-definition {
    display: grid;
    max-width: 900px;
    gap: .55rem;
    margin-inline: auto;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    text-align: center;
  }

  .seo-definition p:last-child {
    color: var(--ink-soft);
    font-size: 1.05rem;
  }

  .seo-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .seo-feature-grid article {
    display: grid;
    gap: .85rem;
    padding: clamp(1.5rem, 4vw, 2.4rem);
  }

  .seo-feature-grid article > span {
    display: grid;
    width: 50px;
    height: 50px;
    place-items: center;
    border-radius: 15px;
    background: var(--foam);
    color: var(--sea);
    font-size: 1.5rem;
  }

  .seo-feature-grid p,
  .seo-mode-grid small,
  .seo-faq p,
  .howplay-modes p,
  .howplay-details p,
  .seo-cta p,
  .field-main section > p {
    color: var(--ink-soft);
  }

  .seo-section-heading,
  .seo-page-heading {
    display: grid;
    max-width: 760px;
    gap: .55rem;
  }

  .seo-page-heading h1 {
    margin-block: .2rem;
  }

  .seo-mode-links,
  .seo-faq {
    display: grid;
    gap: 1.25rem;
  }

  .seo-mode-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .8rem;
  }

  .seo-mode-grid > a {
    display: grid;
    min-height: 250px;
    align-content: start;
    gap: .75rem;
    padding: 1.4rem;
    text-decoration: none;
    transition: transform .2s var(--ease), border-color .2s, box-shadow .2s;
  }

  .seo-mode-grid > a:hover {
    border-color: var(--aqua);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }

  .seo-mode-grid > a > span {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 14px;
    background: var(--foam);
    color: var(--sea);
    font-size: 1.25rem;
  }

  .seo-mode-grid strong {
    font-size: 1.1rem;
  }

  .seo-mode-grid small {
    line-height: 1.55;
  }

  .seo-faq-list {
    display: grid;
    gap: .65rem;
  }

  .seo-faq details {
    padding: 0 1.25rem;
  }

  .seo-faq summary {
    padding: 1.1rem 2rem 1.1rem 0;
    font-weight: 850;
    cursor: pointer;
  }

  .seo-faq details p {
    padding: 0 0 1.2rem;
  }

  .seo-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    background: linear-gradient(120deg, var(--white), var(--foam));
  }

  .seo-cta h2 {
    margin: .25rem 0 .45rem;
  }

  .editorial-content {
    display: grid;
    gap: 1.25rem;
    max-width: 900px;
    margin-inline: auto;
  }

  .editorial-content section {
    padding: clamp(1.25rem, 3vw, 2rem);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-sm);
  }

  .editorial-content section h2 {
    margin-top: 0;
  }

  .editorial-content section p {
    color: var(--ink-soft);
  }

  .howplay-modes {
    display: grid;
    gap: .85rem;
    padding: 0;
    list-style: none;
  }

  .howplay-modes > li {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 1.25rem;
    padding: clamp(1.25rem, 3vw, 2rem);
  }

  .howplay-modes > li > span {
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    border-radius: 16px;
    background: var(--deep);
    color: #fff;
    font-size: 1.15rem;
    font-weight: 900;
  }

  .howplay-modes h2 {
    margin-bottom: .5rem;
  }

  .howplay-modes a,
  .howplay-details a,
  .field-next a {
    display: inline-block;
    margin-top: .8rem;
    color: var(--deep);
    font-weight: 850;
  }

  .howplay-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 2.5rem;
    border-block: 1px solid var(--line);
  }

  .howplay-details article {
    padding: 1.8rem 0;
  }

  .howplay-details article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .howplay-details h2 {
    margin-bottom: .55rem;
  }

  .field-guide-shell {
    gap: 2.25rem;
  }

  .guide-index-heading strong {
    width: fit-content;
    margin-top: .5rem;
    padding: .45rem .75rem;
    border-radius: 999px;
    background: var(--foam);
    color: var(--deep);
    font-size: .78rem;
  }

  .guide-index-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .8rem;
  }

  .guide-index-card {
    display: grid;
    min-height: 285px;
    align-content: start;
    gap: 1rem;
    padding: 1.25rem;
    text-decoration: none;
    transition: transform .2s var(--ease), border-color .2s, box-shadow .2s;
  }

  .guide-index-card:hover {
    border-color: var(--aqua);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }

  .guide-index-mark {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 14px;
    background: var(--foam);
    color: var(--sea);
    font-size: 1.5rem;
  }

  .guide-index-card h2 {
    margin: .25rem 0 .1rem;
  }

  .guide-index-card i,
  .guide-index-card small {
    color: var(--ink-soft);
  }

  .guide-index-card dl {
    display: grid;
    gap: .35rem;
  }

  .guide-index-card dl > div {
    display: flex;
    justify-content: space-between;
    gap: .75rem;
    padding-top: .4rem;
    border-top: 1px solid var(--line);
    font-size: .72rem;
  }

  .guide-index-card dt {
    color: var(--ink-soft);
  }

  .guide-index-card dd {
    font-weight: 800;
    text-align: right;
  }

  .guide-index-card small {
    margin-top: auto;
    font-size: .68rem;
  }

  .field-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .85fr);
    align-items: center;
    gap: clamp(1.5rem, 5vw, 4rem);
    overflow: hidden;
    padding: clamp(1.5rem, 5vw, 3.5rem);
    background: linear-gradient(135deg, var(--white), var(--foam));
  }

  .field-hero h1 {
    margin: .35rem 0 .2rem;
  }

  .field-scientific {
    margin-bottom: 1rem;
    color: var(--sea);
    font-size: 1.15rem;
  }

  .field-featured {
    display: inline-flex;
    gap: .4rem;
    margin-top: 1.2rem;
    padding: .45rem .7rem;
    border-radius: 999px;
    background: var(--white);
    color: var(--ink-soft);
    font-size: .74rem;
    font-weight: 750;
  }

  .field-art {
    display: grid;
    gap: .5rem;
    margin: 0;
  }

  .field-art img {
    width: 100%;
    max-height: 420px;
    object-fit: contain;
    filter: drop-shadow(0 22px 20px #073b4c25);
  }

  .field-art figcaption {
    color: var(--ink-soft);
    font-size: .66rem;
    text-align: center;
  }

  .field-art-placeholder {
    display: grid;
    min-height: 300px;
    place-items: center;
    align-content: center;
    border: 1px dashed color-mix(in srgb, var(--sea) 35%, var(--line));
    border-radius: var(--radius-lg);
    background: radial-gradient(circle, var(--foam), transparent 70%);
    color: var(--sea);
  }

  .field-art-placeholder span {
    font-size: 6rem;
    line-height: 1;
  }

  .field-art-placeholder small {
    font-weight: 900;
    letter-spacing: .18em;
    text-transform: uppercase;
  }

  .field-content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    align-items: start;
    gap: clamp(2rem, 6vw, 5rem);
  }

  .field-main {
    display: grid;
  }

  .field-main section {
    display: grid;
    gap: .65rem;
    padding: 2rem 0;
    border-top: 1px solid var(--line);
  }

  .field-main section:first-child {
    padding-top: 0;
    border-top: 0;
  }

  .field-hints {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .65rem;
    padding: 0;
    list-style: none;
  }

  .field-hints li {
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--white);
    color: var(--ink-soft);
  }

  .field-alias-label {
    margin-top: .5rem;
    color: var(--ink-soft);
    font-size: .72rem;
    font-weight: 800;
    text-transform: uppercase;
  }

  .field-aliases {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    padding: 0;
    list-style: none;
  }

  .field-aliases li {
    padding: .35rem .6rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--white);
    font-size: .75rem;
  }

  .field-sidebar {
    position: sticky;
    top: 96px;
    display: grid;
    gap: 1rem;
  }

  .field-sidebar > section {
    padding: 1.35rem;
  }

  .field-sidebar h2 {
    margin: .25rem 0 1rem;
    font-size: 1.25rem;
  }

  .field-sidebar dl {
    display: grid;
  }

  .field-sidebar dl > div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: .65rem 0;
    border-top: 1px solid var(--line);
  }

  .field-sidebar dt {
    color: var(--ink-soft);
    font-size: .75rem;
    font-weight: 750;
  }

  .field-sidebar dd {
    font-size: .8rem;
    font-weight: 800;
    text-align: right;
  }

  .field-next {
    display: grid;
  }
}

/* Fish Guide learning library */
@layer components {
  .guide-library-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 2rem;
  }

  .guide-library-stat {
    display: grid;
    min-width: 180px;
    padding: 1.25rem 1.5rem;
    border: 1px solid color-mix(in srgb, var(--aqua) 42%, var(--line));
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, color-mix(in srgb, var(--foam) 78%, transparent), var(--white));
  }

  .guide-library-stat strong {
    font-size: clamp(2.6rem, 7vw, 4.5rem);
    line-height: .85;
  }

  .guide-library-stat span {
    margin-top: .65rem;
    color: var(--ink-soft);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
  }

  .guide-search-panel {
    display: grid;
    grid-template-columns: minmax(220px, .62fr) minmax(0, 1.38fr);
    gap: clamp(1.5rem, 5vw, 4rem);
    padding: clamp(1.25rem, 4vw, 2.25rem);
  }

  .motion-ready .guide-search-panel.motion-observe {
    opacity: 1;
    transform: none;
  }

  .guide-search-copy h2 {
    margin: .25rem 0 .65rem;
  }

  .guide-search-copy p:last-child {
    color: var(--ink-soft);
  }

  .guide-search-form,
  .guide-search-form label {
    display: grid;
    gap: .45rem;
  }

  .guide-search-form label > span {
    color: var(--ink-soft);
    font-size: .7rem;
    font-weight: 850;
    letter-spacing: .04em;
  }

  .guide-search-form input,
  .guide-search-form select {
    min-width: 0;
    min-height: 46px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--white);
    color: var(--ink);
    padding: .7rem .8rem;
    font: inherit;
  }

  .guide-query input {
    min-height: 54px;
    font-size: 1rem;
  }

  .guide-filter-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
    align-items: end;
    gap: .65rem;
    margin-top: .75rem;
  }

  .guide-filter-grid .button {
    min-height: 46px;
  }

  .guide-clear {
    width: fit-content;
    margin-top: .65rem;
    font-size: .76rem;
    font-weight: 800;
  }

  .guide-results-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
  }

  .guide-results-heading h2 {
    margin-top: .2rem;
  }

  .guide-results-heading > span {
    color: var(--ink-soft);
    font-size: .78rem;
    font-weight: 800;
  }

  .guide-card-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
  }

  .guide-water-chip {
    padding: .35rem .55rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--foam) 70%, transparent);
    color: var(--sea);
    font-size: .66rem;
    font-weight: 850;
    text-transform: capitalize;
  }

  .guide-card-fact {
    display: -webkit-box;
    overflow: hidden;
    color: var(--ink-soft);
    font-size: .82rem;
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .guide-card-action {
    margin-top: auto;
    color: var(--sea);
    font-size: .76rem;
    font-weight: 850;
  }

  .guide-index-card {
    min-height: 360px;
  }

  .guide-pagination {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    margin-top: .5rem;
  }

  .guide-pagination .button:last-child {
    justify-self: end;
  }

  .guide-pagination > span {
    color: var(--ink-soft);
    font-size: .76rem;
    font-weight: 800;
  }

  .guide-empty {
    display: grid;
    justify-items: center;
    gap: .75rem;
    padding: clamp(2rem, 8vw, 5rem);
    text-align: center;
  }

  .guide-empty > span {
    color: var(--aqua);
    font-size: 4rem;
  }

  .guide-empty p {
    max-width: 560px;
    color: var(--ink-soft);
  }

  .guide-learning-path {
    display: grid;
    gap: 1.5rem;
    padding: clamp(1.5rem, 5vw, 3rem);
  }

  .guide-learning-path ol {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .75rem;
    padding: 0;
    counter-reset: learning;
    list-style: none;
  }

  .guide-learning-path li {
    display: grid;
    gap: .35rem;
    padding: 1rem;
    border-top: 2px solid var(--aqua);
    background: color-mix(in srgb, var(--foam) 48%, transparent);
  }

  .guide-learning-path li span {
    color: var(--ink-soft);
    font-size: .8rem;
    line-height: 1.5;
  }

  .field-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
    margin-top: 1.25rem;
  }

  .field-hero > *,
  .field-content-grid > *,
  .field-main {
    min-width: 0;
  }

  [data-fish-learning-profile] {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow: clip;
  }

  .field-hero h1 {
    overflow-wrap: anywhere;
  }

  .field-hero-copy,
  .field-hero-copy p,
  .field-hints li {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  [data-learn-toggle].is-learned {
    background: var(--foam);
    color: var(--deep);
  }

  .field-progress-note {
    margin-top: .65rem;
    color: var(--ink-soft);
    font-size: .72rem;
  }

  .field-art-placeholder {
    overflow: hidden;
    background:
      radial-gradient(circle at 72% 24%, color-mix(in srgb, var(--aqua) 36%, transparent) 0 4px, transparent 5px),
      radial-gradient(circle at 18% 74%, color-mix(in srgb, var(--sea) 25%, transparent) 0 7px, transparent 8px),
      linear-gradient(160deg, color-mix(in srgb, var(--foam) 85%, var(--white)), color-mix(in srgb, var(--aqua) 24%, var(--white)));
  }

  .field-art-placeholder span {
    position: relative;
    display: block;
    width: 170px;
    height: 92px;
    border-radius: 58% 44% 48% 52%;
    background: color-mix(in srgb, var(--deep) 88%, var(--sea));
    transform: skewX(-4deg);
  }

  .field-art-placeholder span::before {
    position: absolute;
    z-index: 1;
    left: 31px;
    top: 28px;
    width: 9px;
    height: 9px;
    border: 4px solid color-mix(in srgb, var(--foam) 88%, var(--aqua));
    border-radius: 50%;
    background: var(--deep);
    content: "";
  }

  .field-art-placeholder span::after {
    position: absolute;
    right: -51px;
    top: 13px;
    width: 66px;
    height: 66px;
    background: color-mix(in srgb, var(--deep) 88%, var(--sea));
    clip-path: polygon(100% 0, 72% 50%, 100% 100%, 0 66%, 0 34%);
    content: "";
  }

  .field-art-placeholder strong {
    margin-top: .75rem;
    color: var(--deep);
    text-transform: capitalize;
  }

  .field-section-nav {
    position: sticky;
    z-index: 5;
    top: 72px;
    display: flex;
    overflow-x: auto;
    align-items: center;
    gap: .4rem;
    padding: .65rem;
    scrollbar-width: thin;
    max-width: 100%;
  }

  .field-section-nav span,
  .field-section-nav a {
    flex: 0 0 auto;
    padding: .45rem .65rem;
    font-size: .7rem;
    font-weight: 800;
  }

  .field-section-nav span {
    color: var(--ink-soft);
    text-transform: uppercase;
  }

  .field-section-nav a {
    border-radius: 999px;
    text-decoration: none;
  }

  .field-section-nav a:hover {
    background: var(--foam);
  }

  .field-hints li {
    display: grid;
    grid-template-columns: 28px 1fr;
    align-items: start;
    gap: .65rem;
  }

  .field-hints li > span {
    display: grid;
    width: 28px;
    height: 28px;
    place-items: center;
    border-radius: 50%;
    background: var(--foam);
    color: var(--sea);
    font-size: .7rem;
    font-weight: 900;
  }

  .field-caution {
    padding: .85rem 1rem;
    border-left: 3px solid var(--sun);
    background: color-mix(in srgb, var(--sun) 8%, var(--white));
    color: var(--ink-soft);
    font-size: .8rem;
  }

  .field-story-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .75rem;
  }

  .field-story-grid article {
    display: grid;
    align-content: start;
    gap: .5rem;
    padding: 1.1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--white);
  }

  .field-story-grid article > span {
    color: var(--aqua);
    font-size: 1.6rem;
  }

  .field-story-grid h3 {
    font-size: 1rem;
  }

  .field-story-grid p {
    color: var(--ink-soft);
    font-size: .85rem;
    line-height: 1.6;
  }

  .field-fact {
    position: relative;
    margin: 0;
    padding: 1.5rem 1.5rem 1.5rem 4rem;
    border: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--deep), color-mix(in srgb, var(--deep) 72%, var(--sea)));
    color: var(--foam);
  }

  .field-fact > span {
    position: absolute;
    top: .6rem;
    left: 1.2rem;
    color: var(--aqua);
    font: 4rem/1 Georgia, serif;
  }

  .field-quiz {
    padding: clamp(1.25rem, 4vw, 2rem) !important;
    border: 1px solid color-mix(in srgb, var(--aqua) 45%, var(--line)) !important;
  }

  .field-quiz-options {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
  }

  .field-quiz-options button {
    min-height: 42px;
    padding: .6rem .8rem;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--white);
    color: var(--ink);
    font: inherit;
    font-size: .8rem;
    font-weight: 800;
    cursor: pointer;
  }

  .field-quiz-options button:hover,
  .field-quiz-options button:focus-visible {
    border-color: var(--aqua);
  }

  .field-quiz-options button.is-correct {
    border-color: #2f9e74;
    background: #d9f7e9;
    color: #0b523b;
  }

  .field-quiz-options button.is-wrong {
    border-color: #d06a5e;
    background: #fff0ed;
    color: #7c2f28;
  }

  .field-quiz-result {
    min-height: 1.3em;
    color: var(--ink-soft);
    font-size: .82rem;
    font-weight: 750;
  }

  .field-quiz-result.is-correct {
    color: #197453;
  }

  .field-references {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
    padding: 0;
    list-style: none;
  }

  .field-references a {
    display: inline-flex;
    padding: .55rem .7rem;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--white);
    font-size: .78rem;
    font-weight: 800;
    text-decoration: none;
  }

  .field-related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .65rem;
  }

  .field-related-grid a {
    display: grid;
    gap: .25rem;
    padding: 1rem;
    text-decoration: none;
  }

  .field-related-grid a:hover {
    border-color: var(--aqua);
  }

  .field-related-grid span,
  .field-related-grid i {
    color: var(--ink-soft);
    font-size: .7rem;
  }

  .field-names-card > p:not(.eyebrow) {
    line-height: 1.55;
  }

  .deep-sea-site .guide-search-copy h2,
  .deep-sea-site .guide-search-form label > span {
    color: #effffb;
  }

  .deep-sea-site .guide-search-copy p:last-child {
    color: #a9c8cc;
  }

  .deep-sea-site .guide-search-form input,
  .deep-sea-site .guide-search-form select {
    border-color: #285d6b;
    background: #031a2d;
    color: #effffb;
  }

  .deep-sea-site .guide-search-form input::placeholder {
    color: #7e9da5;
    opacity: 1;
  }
}

@layer responsive {
  @media (max-width: 900px) {
    .guide-search-panel {
      grid-template-columns: 1fr;
    }

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

    .field-section-nav {
      top: 62px;
    }
  }

  @media (max-width: 640px) {
    .mobile-nav {
      grid-template-columns: repeat(5, 1fr);
      padding-inline: .35rem;
    }

    .guide-library-hero,
    .guide-learning-path ol,
    .field-story-grid,
    .field-related-grid {
      grid-template-columns: 1fr;
    }

    .guide-library-stat {
      width: 100%;
    }

    .guide-filter-grid {
      grid-template-columns: 1fr;
    }

    .guide-pagination {
      grid-template-columns: 1fr 1fr;
    }

    .guide-pagination > span {
      grid-column: 1 / -1;
      grid-row: 1;
      text-align: center;
    }

    .guide-index-card {
      min-height: 0;
    }

    .field-section-nav {
      margin-inline: calc(var(--page-pad) * -1);
      border-radius: 0;
    }

    .field-hints {
      grid-template-columns: 1fr;
    }

    .field-hero {
      padding: 1.25rem;
    }

    .field-hero h1 {
      font-size: clamp(2rem, 9.5vw, 2.7rem);
    }

    .field-art-placeholder {
      width: 100%;
      max-width: 100%;
    }
  }
}

@layer responsive {
  @media (max-width: 900px) {
    .seo-hero,
    .field-hero {
      grid-template-columns: 1fr;
    }

    .seo-hero-art {
      min-height: 220px;
    }

    .seo-mode-grid {
      grid-template-columns: 1fr;
    }

    .seo-mode-grid > a {
      min-height: auto;
    }

    .field-content-grid {
      grid-template-columns: 1fr;
    }

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

    .field-sidebar {
      position: static;
    }
  }

  @media (max-width: 640px) {
    .seo-shell {
      gap: 2rem;
    }

    .home-discovery {
      align-items: stretch;
      flex-direction: column;
      margin-top: .5rem;
    }

    .home-discovery nav {
      min-width: 0;
    }

    .seo-breadcrumbs {
      margin-bottom: -.75rem;
    }

    .seo-hero {
      min-height: 0;
      padding: 1.4rem;
      border-radius: 24px;
    }

    .seo-hero h1 {
      font-size: 2.55rem;
    }

    .seo-hero-art {
      min-height: 170px;
    }

    .seo-actions,
    .seo-actions .button {
      width: 100%;
    }

    .seo-actions .button {
      padding-inline: .75rem;
      white-space: normal;
      text-align: center;
    }

    .seo-feature-grid,
    .howplay-details,
    .field-hints {
      grid-template-columns: 1fr;
    }

    .howplay-details article:nth-child(n + 2) {
      border-top: 1px solid var(--line);
    }

    .howplay-modes > li {
      grid-template-columns: 42px 1fr;
      gap: .8rem;
    }

    .howplay-modes > li > span {
      width: 40px;
      height: 40px;
      border-radius: 12px;
    }

    .seo-cta {
      align-items: stretch;
      flex-direction: column;
    }

    .field-hero {
      border-radius: 22px;
    }

    .guide-index-grid {
      grid-template-columns: 1fr;
    }

    .guide-index-card {
      min-height: 0;
    }

    .field-art-placeholder {
      min-height: 190px;
    }

    .site-footer {
      align-items: flex-start;
      flex-direction: column;
    }

    .site-footer nav {
      flex-wrap: wrap;
      gap: .65rem 1rem;
    }
  }
}