:root {
    --pdl-ink: #102a43;
    --pdl-muted: #52667a;
    --pdl-line: #d9e2ec;
    --pdl-soft: #f3f7fa;
    --pdl-paper: #ffffff;
    --pdl-teal: #087f8c;
    --pdl-teal-dark: #075f68;
    --pdl-teal-soft: #dff7f4;
    --pdl-orange: #d97706;
    --pdl-shadow: 0 18px 50px rgba(16, 42, 67, .09);
    --pdl-radius: 1.25rem;
}

.ad-slot {
    min-height: 280px;
    margin: 3rem 0;
    padding: 1rem;
    border: 1px solid var(--pdl-line);
    border-radius: 1rem;
    background: var(--pdl-soft);
}

.ad-slot-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--pdl-muted);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-align: center;
    text-transform: uppercase;
}

* {
    box-sizing: border-box;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--pdl-ink);
    background: var(--pdl-paper);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.65;
}

a {
    color: var(--pdl-teal-dark);
    text-decoration: none;
    text-underline-offset: .18em;
}

a:hover {
    color: var(--pdl-ink);
    text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid #f6ad55;
    outline-offset: 3px;
}

a:focus-visible {
    text-decoration: underline;
}

.container {
    width: min(100% - 2rem, 1180px);
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: .75rem;
    left: .75rem;
    padding: .7rem 1rem;
    color: #fff;
    background: var(--pdl-ink);
    border-radius: .5rem;
    transform: translateY(-160%);
}

.skip-link:focus {
    color: #fff;
    transform: translateY(0);
}

.site-header {
    position: sticky;
    z-index: 50;
    top: 0;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--pdl-line);
    backdrop-filter: blur(12px);
}

.header-inner {
    display: flex;
    min-height: 76px;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    color: var(--pdl-ink);
    text-decoration: none;
}

.brand:hover {
    color: var(--pdl-ink);
    text-decoration: none;
}

.brand-mark {
    display: grid;
    width: 2.55rem;
    height: 2.55rem;
    place-items: center;
    color: #fff;
    background: var(--pdl-ink);
    border-radius: .75rem;
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .08em;
}

.brand-copy {
    display: grid;
    line-height: 1.15;
}

.brand-copy strong {
    letter-spacing: -.02em;
}

.brand-copy small {
    margin-top: .22rem;
    color: var(--pdl-muted);
    font-size: .72rem;
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.primary-nav a {
    color: var(--pdl-muted);
    font-size: .92rem;
    font-weight: 650;
}

.primary-nav a:hover {
    color: var(--pdl-ink);
}

.mobile-navigation {
    display: none;
}

.site-main {
    min-height: calc(100vh - 260px);
}

.data-page {
    padding-block: clamp(2rem, 5vw, 4.5rem);
}

.data-hero {
    max-width: 880px;
    padding-block: clamp(1.5rem, 4vw, 3.5rem);
}

.data-hero h1 {
    max-width: 980px;
    margin-bottom: 1rem;
    font-size: clamp(2.2rem, 5vw, 4.6rem);
    line-height: 1.04;
}

.data-hero .lead,
.section-heading p {
    max-width: 760px;
    color: var(--pdl-muted);
    font-size: 1.08rem;
}

.page-jump-links {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
    margin-top: 1.5rem;
}

.page-jump-links a {
    padding: .55rem .8rem;
    background: var(--pdl-soft);
    border: 1px solid var(--pdl-line);
    border-radius: .65rem;
    font-weight: 700;
    text-decoration: none;
}

.data-sample,
.distribution-section,
.related-data,
.methodology-note {
    margin-bottom: clamp(2rem, 5vw, 4rem);
}

.distribution-section {
    content-visibility: auto;
    contain-intrinsic-size: auto 2400px;
}

.related-data,
.methodology-note,
.site-footer {
    content-visibility: auto;
    contain-intrinsic-size: auto 500px;
}

.data-sample,
.methodology-note {
    padding: clamp(1.25rem, 3vw, 2rem);
    background: var(--pdl-soft);
    border: 1px solid var(--pdl-line);
    border-radius: var(--pdl-radius);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .8rem;
    margin: 1.5rem 0;
}

.metric-grid div {
    padding: 1rem;
    background: var(--pdl-paper);
    border: 1px solid var(--pdl-line);
    border-radius: .8rem;
}

.metric-grid dt {
    color: var(--pdl-muted);
    font-size: .74rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.metric-grid dd {
    margin: .35rem 0 0;
    font-size: 1.45rem;
    font-weight: 800;
}

.data-note {
    margin-bottom: 0;
    color: var(--pdl-muted);
}

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

.distribution-card,
.related-data,
.entity-card {
    min-width: 0;
    padding: clamp(1.1rem, 2.5vw, 1.6rem);
    background: var(--pdl-paper);
    border: 1px solid var(--pdl-line);
    border-radius: var(--pdl-radius);
    box-shadow: 0 10px 30px rgba(16, 42, 67, .05);
}

.distribution-bars {
    display: grid;
    min-width: 0;
    gap: .45rem;
    margin-bottom: 1.2rem;
}

.distribution-bar-row {
    display: grid;
    min-width: 0;
    grid-template-columns: minmax(90px, 9rem) minmax(0, 1fr) auto;
    gap: .6rem;
    align-items: center;
    font-size: .78rem;
}

.distribution-bar-row i {
    width: var(--bar-width);
    min-width: 2px;
    height: .6rem;
    background: var(--pdl-teal);
    border-radius: 999px;
}

.table-scroll {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
}

.table-scroll-hint {
    display: none;
}

.table-scroll table {
    width: 100%;
    border-collapse: collapse;
    font-size: .88rem;
}

.table-scroll caption {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.table-scroll th,
.table-scroll td {
    padding: .7rem .65rem;
    border-bottom: 1px solid var(--pdl-line);
    text-align: left;
    white-space: nowrap;
}

.table-scroll thead th {
    color: var(--pdl-muted);
    background: var(--pdl-soft);
    font-size: .72rem;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.entity-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.entity-card h2 {
    font-size: 1.2rem;
}

.methodology-note {
    background: var(--pdl-teal-soft);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(270px, .65fr);
    gap: clamp(2rem, 7vw, 6rem);
    align-items: center;
    padding-block: clamp(4.5rem, 10vw, 8.5rem);
}

.eyebrow {
    margin: 0 0 .8rem;
    color: var(--pdl-teal-dark);
    font-size: .76rem;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin-top: 0;
    color: var(--pdl-ink);
    font-weight: 760;
    letter-spacing: -.035em;
    line-height: 1.1;
}

h1 {
    max-width: 900px;
    margin-bottom: 1.25rem;
    font-size: clamp(2.7rem, 7vw, 5.7rem);
}

h2 {
    margin-bottom: 1rem;
    font-size: clamp(1.9rem, 4vw, 3rem);
}

h3 {
    margin-bottom: .75rem;
    font-size: 1.3rem;
}

.hero-summary,
.page-lead {
    max-width: 760px;
    color: var(--pdl-muted);
    font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    margin-top: 2rem;
}

.button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: .75rem 1.15rem;
    border: 1px solid transparent;
    border-radius: .72rem;
    font-weight: 750;
    text-decoration: none;
}

.button-primary {
    color: #fff;
    background: var(--pdl-teal-dark);
}

.button-primary:hover {
    color: #fff;
    background: var(--pdl-ink);
}

.button:hover,
.button:focus-visible {
    text-decoration: none;
}

.button-secondary {
    color: var(--pdl-ink);
    background: #fff;
    border-color: var(--pdl-line);
}

.button-secondary:hover {
    background: var(--pdl-soft);
}

.hero-note {
    padding: 1.6rem;
    background: var(--pdl-ink);
    border-radius: var(--pdl-radius);
    box-shadow: var(--pdl-shadow);
}

.hero-note strong,
.hero-note p {
    color: #fff;
}

.hero-note strong {
    display: block;
    margin: .6rem 0 .7rem;
    font-size: 1.25rem;
}

.hero-note p {
    margin-bottom: 0;
    opacity: .8;
}

.note-label {
    color: #7ee2d8;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.section-block {
    padding-block: clamp(4rem, 8vw, 7rem);
    border-top: 1px solid var(--pdl-line);
}

.section-tinted {
    position: relative;
}

.section-tinted::before {
    position: absolute;
    z-index: -1;
    inset: 1.5rem -2rem;
    background: var(--pdl-soft);
    border-radius: 2rem;
    content: "";
}

.section-heading {
    max-width: 720px;
    margin-bottom: 2.4rem;
}

.section-heading > p:last-child,
.feature-card p,
.data-card p,
.method-callout p,
.prose-card p {
    color: var(--pdl-muted);
}

.card-grid {
    display: grid;
    gap: 1rem;
}

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

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

.feature-card,
.data-card,
.prose-card {
    padding: clamp(1.4rem, 3vw, 2rem);
    background: #fff;
    border: 1px solid var(--pdl-line);
    border-radius: var(--pdl-radius);
}

.feature-card {
    min-height: 250px;
}

.feature-card .text-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--pdl-teal-dark);
    font-weight: 750;
}

.status-badge {
    display: inline-block;
    margin-bottom: 1.5rem;
    padding: .28rem .55rem;
    color: var(--pdl-teal-dark);
    background: var(--pdl-teal-soft);
    border-radius: 999px;
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.home-data-card {
    position: relative;
    display: flex;
    min-height: 315px;
    overflow: hidden;
    flex-direction: column;
    box-shadow: 0 12px 34px rgba(16, 42, 67, .06);
}

.home-data-card::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--pdl-teal), #32b8aa 72%, var(--pdl-orange));
    content: "";
}

.home-data-card .data-card-index {
    display: grid;
    width: 3rem;
    height: 3rem;
    margin-bottom: 1.6rem;
    place-items: center;
    color: var(--pdl-orange);
    background: #fff7e8;
    border: 1px solid #fed7aa;
    border-radius: .9rem;
    font-size: .78rem;
    font-weight: 850;
    letter-spacing: .08em;
}

.home-data-card h3 {
    margin-top: 0;
}

.home-data-card .text-link {
    align-self: flex-start;
    margin-top: auto;
    padding-top: 1.5rem;
    font-weight: 750;
}

.method-callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin-block: clamp(4rem, 8vw, 7rem);
    padding: clamp(1.5rem, 5vw, 3.5rem);
    background: var(--pdl-teal-soft);
    border-radius: var(--pdl-radius);
}

.method-callout > div {
    max-width: 700px;
}

.method-callout p:last-child {
    margin-bottom: 0;
}

.breadcrumb-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    list-style: none;
    margin: 1.5rem 0 0;
    padding: 0;
    background: transparent;
    font-size: .88rem;
}

.breadcrumb-item {
    display: inline-flex;
    gap: .35rem;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--pdl-muted);
    content: "/";
}

.breadcrumb-item.active {
    color: var(--pdl-muted);
}

.alert {
    position: relative;
    margin: 1.5rem 0;
    padding: 1rem 3rem 1rem 1rem;
    border: 1px solid var(--pdl-line);
    border-radius: .7rem;
}

.alert-danger {
    color: #7f1d1d;
    background: #fef2f2;
    border-color: #fecaca;
}

.alert-success {
    color: #14532d;
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.alert-info {
    color: #164e63;
    background: #ecfeff;
    border-color: #a5f3fc;
}

.alert-warning {
    color: #78350f;
    background: #fffbeb;
    border-color: #fde68a;
}

.alert .btn-close {
    position: absolute;
    top: .85rem;
    right: .85rem;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.alert .btn-close::before {
    content: "×";
    font-size: 1.35rem;
    line-height: 1;
}

.content-page {
    max-width: 900px;
    margin-inline: auto;
    padding-block: clamp(3.5rem, 8vw, 6.5rem);
}

.content-page-narrow {
    max-width: 740px;
}

.content-page h1 {
    font-size: clamp(2.3rem, 6vw, 4.4rem);
}

.tool-page {
    max-width: 1040px;
    margin-inline: auto;
    padding-block: clamp(3rem, 7vw, 6rem);
}

.tool-page-narrow {
    max-width: 820px;
}

.tool-heading {
    max-width: 820px;
    margin-bottom: 2.25rem;
}

.tool-heading h1 {
    font-size: clamp(2.5rem, 7vw, 4.8rem);
}

.tool-workspace {
    padding: clamp(1.25rem, 4vw, 2.4rem);
    background: var(--pdl-soft);
    border: 1px solid var(--pdl-line);
    border-radius: var(--pdl-radius);
    box-shadow: var(--pdl-shadow);
}

.privacy-banner {
    display: flex;
    gap: .35rem 1rem;
    align-items: baseline;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
    padding: 1rem 1.15rem;
    color: var(--pdl-teal-dark);
    background: var(--pdl-teal-soft);
    border-radius: .8rem;
}

.privacy-banner span,
.privacy-inline,
.tool-intro,
.field-help,
.license-note {
    color: var(--pdl-muted);
}

.file-drop {
    padding: clamp(2rem, 8vw, 5rem) 1.25rem;
    background: var(--pdl-paper);
    border: 2px dashed #9fb3c8;
    border-radius: 1rem;
    transition: border-color .15s ease, background-color .15s ease;
}

.file-drop.is-dragging {
    background: var(--pdl-teal-soft);
    border-color: var(--pdl-teal-dark);
}

.file-drop-label {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: .45rem;
    text-align: center;
    cursor: pointer;
}

.file-drop-title {
    color: var(--pdl-ink);
    font-size: clamp(1.35rem, 3vw, 2rem);
    font-weight: 760;
    letter-spacing: -.025em;
}

.file-drop-label .button {
    margin-top: .75rem;
}

.tool-status {
    min-height: 1.7rem;
    margin: 1rem 0 0;
    color: var(--pdl-muted);
}

.tool-status-error,
.field-error,
.has-error label {
    color: #9b2c2c;
}

.tool-results {
    margin-top: 2rem;
    padding: clamp(1.25rem, 4vw, 2rem);
    background: var(--pdl-paper);
    border: 1px solid var(--pdl-line);
    border-radius: 1rem;
}

.result-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--pdl-line);
}

.result-heading h2 {
    margin-bottom: 0;
    font-size: clamp(1.5rem, 4vw, 2.3rem);
    overflow-wrap: anywhere;
}

.tool-results section {
    margin-top: 2rem;
}

.tool-results h3 {
    font-size: 1.2rem;
}

.metadata-grid,
.result-evidence {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .75rem;
    margin: 0;
}

.metadata-grid > div,
.result-evidence > div {
    min-width: 0;
    padding: .9rem 1rem;
    background: var(--pdl-soft);
    border-radius: .7rem;
}

.metadata-grid dt,
.result-evidence dt {
    color: var(--pdl-muted);
    font-size: .74rem;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.metadata-grid dd,
.result-evidence dd {
    margin: .25rem 0 0;
    color: var(--pdl-ink);
    font-weight: 700;
    overflow-wrap: anywhere;
}

.privacy-inline {
    margin-top: -.25rem;
    font-size: .9rem;
}

.advanced-metadata {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--pdl-line);
}

.advanced-metadata summary {
    font-weight: 750;
    cursor: pointer;
}

.table-scroll {
    max-height: 520px;
    margin-top: 1rem;
    overflow: auto;
    border: 1px solid var(--pdl-line);
    border-radius: .7rem;
}

.table-scroll table {
    width: 100%;
    border-collapse: collapse;
    font-size: .88rem;
}

.table-scroll th,
.table-scroll td {
    padding: .7rem .8rem;
    border-bottom: 1px solid var(--pdl-line);
    text-align: left;
    vertical-align: top;
    overflow-wrap: anywhere;
}

.table-scroll thead th {
    position: sticky;
    top: 0;
    background: var(--pdl-soft);
}

.tool-supporting-content {
    padding-top: clamp(3rem, 7vw, 5rem);
}

.tool-supporting-content > h2 {
    max-width: 760px;
}

.serial-workspace h2 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
}

.serial-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: end;
}

.form-field {
    display: grid;
    gap: .35rem;
}

.form-field label {
    font-weight: 750;
}

.form-field input {
    min-height: 50px;
    width: 100%;
    padding: .7rem .85rem;
    color: var(--pdl-ink);
    background: #fff;
    border: 1px solid #9fb3c8;
    border-radius: .65rem;
    font: inherit;
}

.has-error input {
    border-color: #c53030;
}

.field-help,
.field-error {
    min-height: 1.35rem;
    margin: 0;
    font-size: .84rem;
}

.lookup-result {
    margin-top: 2rem;
    padding: clamp(1.2rem, 4vw, 2rem);
    background: #fff;
    border: 1px solid var(--pdl-line);
    border-left: 5px solid var(--pdl-teal-dark);
    border-radius: .8rem;
}

.lookup-result h2 {
    margin: .75rem 0 1rem;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
}

.lookup-result p:last-child {
    margin-bottom: 0;
}

.result-inferred {
    border-left-color: var(--pdl-orange);
}

.result-neutral {
    border-left-color: #627d98;
}

.result-badge {
    display: inline-block;
    padding: .3rem .55rem;
    color: var(--pdl-teal-dark);
    background: var(--pdl-teal-soft);
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 850;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.result-inferred .result-badge {
    color: #8a4b08;
    background: #fff3d6;
}

.result-evidence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-block: 1rem;
}

.tool-explanation h3 {
    margin-top: 1.5rem;
    font-size: 1.1rem;
}

.prose-card {
    margin-top: 2.5rem;
}

.prose-card h2 {
    margin-top: 2rem;
    font-size: 1.45rem;
}

.prose-card h2:first-child {
    margin-top: 0;
}

.prose-card li + li {
    margin-top: .55rem;
}

.policy-meta {
    margin-top: -.5rem;
    color: var(--pdl-muted);
}

.contact-method {
    margin-block: 2rem;
    padding: 1.25rem;
    background: var(--pdl-soft);
    border: 1px solid var(--pdl-line);
    border-radius: 1rem;
}

.contact-method h2 {
    margin-top: 0;
}

.contact-method p {
    margin-top: .25rem;
}

.revealed-email {
    display: inline-block;
    font-size: 1.05rem;
    font-weight: 750;
}

.contact-fallback {
    margin-bottom: 0;
}

.placeholder-note {
    margin-top: 2rem;
    padding: 1rem;
    background: #fff8e8;
    border-left: 4px solid var(--pdl-orange);
    border-radius: .35rem;
    font-size: .92rem;
}

.site-error-content {
    max-width: 680px;
    margin-inline: auto;
    padding-block: 7rem;
    text-align: center;
}

.site-error-code {
    margin: 0;
    color: var(--pdl-teal-dark);
    font-size: 1rem;
    font-weight: 850;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.site-footer {
    color: #d9e2ec;
    background: var(--pdl-ink);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    padding-block: 2.5rem;
}

.footer-inner strong {
    color: #fff;
}

.footer-inner p {
    margin: .25rem 0 0;
    color: #9fb3c8;
}

.footer-inner nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1rem;
}

.footer-inner a {
    color: #d9e2ec;
}

.footer-inner .copyright {
    grid-column: 1 / -1;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, .14);
    font-size: .82rem;
}

.footer-inner .copyright a {
    color: inherit;
    font-weight: inherit;
}

@media (max-width: 800px) {
    .header-inner {
        min-height: 68px;
        align-items: center;
        flex-direction: row;
        gap: 1rem;
        padding-block: .85rem;
    }

    .brand-copy small {
        display: none;
    }

    .desktop-navigation {
        display: none;
    }

    .mobile-navigation {
        position: relative;
        display: block;
        margin-left: auto;
    }

    .mobile-navigation summary {
        min-width: 48px;
        padding: .65rem .85rem;
        color: var(--pdl-ink);
        background: var(--pdl-paper);
        border: 1px solid var(--pdl-line);
        border-radius: .65rem;
        font-size: .9rem;
        font-weight: 750;
        text-align: center;
        cursor: pointer;
        list-style: none;
    }

    .mobile-navigation summary::-webkit-details-marker {
        display: none;
    }

    .mobile-navigation summary::before {
        margin-right: .45rem;
        content: "☰";
    }

    .mobile-navigation[open] summary::before {
        content: "×";
    }

    .mobile-navigation nav {
        position: absolute;
        z-index: 60;
        top: calc(100% + .55rem);
        right: 0;
        width: min(280px, calc(100vw - 2rem));
        padding: .55rem;
        background: var(--pdl-paper);
        border: 1px solid var(--pdl-line);
        border-radius: .8rem;
        box-shadow: var(--pdl-shadow);
    }

    .mobile-navigation ul {
        display: grid;
        gap: .15rem;
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .mobile-navigation a {
        display: block;
        padding: .7rem .75rem;
        color: var(--pdl-ink);
        border-radius: .5rem;
        font-weight: 700;
    }

    .mobile-navigation a:hover,
    .mobile-navigation a:focus-visible {
        background: var(--pdl-soft);
    }

    .hero,
    .card-grid-two,
    .card-grid-three,
    .distribution-grid,
    .entity-card-grid {
        grid-template-columns: 1fr;
    }

    .distribution-card,
    .related-data {
        width: 100%;
        max-width: 100%;
        min-width: 0;
    }

    .distribution-bar-row {
        grid-template-columns: minmax(0, 7.25rem) minmax(0, 1fr) auto;
        gap: .4rem;
    }

    .distribution-bar-row span {
        min-width: 0;
        overflow-wrap: anywhere;
    }

    .table-scroll-hint {
        display: block;
        margin: 0 0 .5rem;
        color: var(--pdl-muted);
        font-size: .78rem;
    }

    .table-scroll table {
        min-width: 38rem;
    }

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

    .hero {
        gap: 2.2rem;
    }

    .section-tinted::before {
        inset: 1rem -.5rem;
        border-radius: 1.25rem;
    }

    .method-callout,
    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
        grid-template-columns: 1fr;
    }

    .home-data-card {
        min-height: 0;
    }

    .footer-inner nav {
        justify-content: flex-start;
    }

    .serial-form {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .result-heading {
        align-items: stretch;
        flex-direction: column;
    }

    .metadata-grid,
    .result-evidence {
        grid-template-columns: 1fr;
    }

    .metric-grid {
        grid-template-columns: 1fr;
    }

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

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