:root {
    --colour-background: #f7f8f5;
    --colour-surface: #ffffff;
    --colour-surface-muted: #edf2ee;
    --colour-text: #17211d;
    --colour-text-muted: #52605a;
    --colour-primary: #075c4d;
    --colour-primary-dark: #043f35;
    --colour-border: #c9d3ce;
    --colour-error: #8d1b1b;
    --colour-error-background: #fff0f0;
    --colour-success: #145c35;
    --colour-success-background: #edf8f1;
    --colour-warning-background: #fff8df;
    --colour-focus: #e09600;
    --content-width: 72rem;
    --reading-width: 48rem;
    --radius-small: 0.35rem;
    --radius-medium: 0.7rem;
    --shadow-small: 0 0.15rem 0.6rem rgb(23 33 29 / 10%);
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
}

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

html {
    color-scheme: light;
    font-family: var(--font-body);
    font-size: 100%;
    line-height: 1.6;
    scroll-behavior: smooth;
}

body {
    min-width: 20rem;
    margin: 0;
    color: var(--colour-text);
    background: var(--colour-background);
}

body,
button,
input,
textarea {
    font: inherit;
}

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

a {
    color: var(--colour-primary);
    text-decoration-thickness: 0.1em;
    text-underline-offset: 0.18em;
}

a:hover {
    color: var(--colour-primary-dark);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
    outline: 0.2rem solid var(--colour-focus);
    outline-offset: 0.2rem;
}

button,
input,
textarea {
    border-radius: var(--radius-small);
}

button {
    cursor: pointer;
}

h1,
h2,
h3,
h4 {
    margin-block: 0 0.7em;
    line-height: 1.16;
    text-wrap: balance;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.9rem);
    max-width: 19ch;
    letter-spacing: -0.035em;
}

h2 {
    margin-top: 1.8em;
    font-size: clamp(1.55rem, 3vw, 2.3rem);
    letter-spacing: -0.02em;
}

h3 {
    margin-top: 1.4em;
    font-size: clamp(1.2rem, 2vw, 1.55rem);
}

p,
ul,
ol,
dl {
    margin-block: 0 1.25rem;
}

p,
li,
dd {
    max-width: 75ch;
}

main {
    min-height: 65vh;
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.65rem 1rem;
    color: #ffffff;
    background: var(--colour-primary-dark);
    transform: translateY(-200%);
}

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

.page-shell {
    width: min(
        calc(100% - 2rem),
        var(--content-width)
    );
    margin-inline: auto;
    padding-block: clamp(2.5rem, 7vw, 6rem);
}

.page-header {
    max-width: var(--reading-width);
    margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.page-introduction,
.hero__introduction,
.article-summary {
    max-width: 62ch;
    font-size: clamp(1.08rem, 2vw, 1.3rem);
    color: var(--colour-text-muted);
}

.eyebrow {
    margin-bottom: 0.75rem;
    color: var(--colour-primary);
    font-size: 0.82rem;
    font-weight: 750;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.status-label {
    display: inline-block;
    padding: 0.4rem 0.7rem;
    border: 0.0625rem solid var(--colour-border);
    border-radius: 100rem;
    color: var(--colour-primary-dark);
    background: var(--colour-surface-muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.button {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.05rem;
    border: 0.125rem solid var(--colour-primary);
    border-radius: var(--radius-small);
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
}

.button--primary {
    color: #ffffff;
    background: var(--colour-primary);
}

.button--primary:hover {
    color: #ffffff;
    background: var(--colour-primary-dark);
    border-color: var(--colour-primary-dark);
}

.button--secondary {
    color: var(--colour-primary-dark);
    background: transparent;
}

.button--secondary:hover {
    color: #ffffff;
    background: var(--colour-primary-dark);
}

.hero {
    max-width: 62rem;
    padding-block: clamp(1rem, 5vw, 4rem);
}

.hero h1 {
    max-width: 16ch;
    font-size: clamp(2.25rem, 6vw, 4.5rem);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
}

.home-section {
    padding-block: clamp(2.5rem, 6vw, 5rem);
    border-top: 0.0625rem solid var(--colour-border);
}

.home-section--callout {
    max-width: var(--reading-width);
}

.product-grid,
.principle-grid,
.feature-grid,
.staffing-grid,
.metric-grid {
    display: grid;
    grid-template-columns: repeat(
        auto-fit,
        minmax(min(100%, 16rem), 1fr)
    );
    gap: 1.25rem;
}

.product-card,
.principle-grid article,
.feature-grid article,
.staffing-grid article,
.metric-card {
    padding: clamp(1.2rem, 3vw, 1.8rem);
    border: 0.0625rem solid var(--colour-border);
    border-radius: var(--radius-medium);
    background: var(--colour-surface);
    box-shadow: var(--shadow-small);
}

.product-card h3,
.principle-grid h3,
.feature-grid h3,
.staffing-grid h3,
.metric-card h3 {
    margin-top: 0;
}

.product-card__status,
.product-card__category,
.article-card__category {
    color: var(--colour-primary);
    font-size: 0.82rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.product-page section,
.policy-page section,
.roadmap-page section {
    max-width: var(--reading-width);
    margin-block: clamp(2.5rem, 6vw, 5rem);
}

.roadmap-stage-list {
    padding-left: 1.4rem;
}

.roadmap-stage-list > li {
    padding-left: 0.5rem;
    margin-bottom: 2rem;
}

.roadmap-stage-list h3 {
    margin-top: 0;
}

.article-archive {
    max-width: 60rem;
}

.article-list {
    display: grid;
    gap: 1.25rem;
}

.article-card {
    padding: clamp(1.25rem, 4vw, 2rem);
    border: 0.0625rem solid var(--colour-border);
    border-radius: var(--radius-medium);
    background: var(--colour-surface);
}

.article-card h2 {
    max-width: 30ch;
    margin-top: 0;
    font-size: clamp(1.35rem, 3vw, 2rem);
    overflow-wrap: normal;
    word-break: normal;
}

.article-card__metadata {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1.4rem;
    padding: 0;
    color: var(--colour-text-muted);
    font-size: 0.9rem;
    list-style: none;
}

.article-card__link {
    font-weight: 700;
}

.article-detail {
    max-width: var(--reading-width);
}

.article-header {
    margin-block: 2rem 4rem;
}

.article-header h1 {
    max-width: 18ch;
    font-size: clamp(2rem, 5vw, 3.75rem);
    overflow-wrap: normal;
    word-break: normal;
}

.article-byline {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    padding-block: 1rem;
    border-block: 0.0625rem solid var(--colour-border);
}

.article-byline div {
    display: grid;
    gap: 0.1rem;
}

.article-byline dt {
    color: var(--colour-text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.article-byline dd {
    margin: 0;
}

.article-body {
    font-size: 1.06rem;
}

.article-body h2,
.article-body h3,
.article-body h4 {
    scroll-margin-top: 6rem;
}

.article-body pre {
    max-width: 100%;
    padding: 1rem;
    overflow-x: auto;
    border-radius: var(--radius-small);
    color: #f7f8f5;
    background: #17211d;
}

.article-body blockquote {
    margin-inline: 0;
    padding: 0.5rem 0 0.5rem 1.25rem;
    border-left: 0.25rem solid var(--colour-primary);
    color: var(--colour-text-muted);
}

.article-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 0.0625rem solid var(--colour-border);
}

.tag-list,
.status-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    padding: 0;
    list-style: none;
}

.tag-list li,
.status-summary li {
    padding: 0.35rem 0.65rem;
    border-radius: 100rem;
    background: var(--colour-surface-muted);
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 0.0625rem solid var(--colour-border);
}

.empty-state {
    padding: 2rem;
    border: 0.0625rem dashed var(--colour-border);
    border-radius: var(--radius-medium);
}

.auth-page {
    display: grid;
    min-height: 70vh;
    place-items: center;
    width: min(calc(100% - 2rem), 34rem);
    margin-inline: auto;
    padding-block: 3rem;
}

.auth-card {
    width: 100%;
    padding: clamp(1.5rem, 5vw, 3rem);
    border: 0.0625rem solid var(--colour-border);
    border-radius: var(--radius-medium);
    background: var(--colour-surface);
    box-shadow: var(--shadow-small);
}

.auth-card h1 {
    font-size: clamp(1.8rem, 5vw, 2.7rem);
}

.auth-form,
.contact-form,
.upload-form {
    display: grid;
    gap: 1.2rem;
    margin-top: 2rem;
}

.form-field {
    display: grid;
    gap: 0.4rem;
}

.form-field label {
    font-weight: 700;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 0.7rem 0.8rem;
    border: 0.0625rem solid #75827c;
    color: var(--colour-text);
    background: #ffffff;
}

.form-field textarea {
    resize: vertical;
}

.form-help {
    margin: 0;
    color: var(--colour-text-muted);
    font-size: 0.9rem;
}

.form-field--trap {
    position: absolute;
    left: -10000rem;
    width: 0.0625rem;
    height: 0.0625rem;
    overflow: hidden;
}

.field-error {
    margin: 0;
    color: var(--colour-error);
    font-weight: 700;
}

.form-message {
    padding: 1rem;
    border: 0.0625rem solid var(--colour-border);
    border-radius: var(--radius-small);
    background: var(--colour-surface-muted);
}

.form-message h2 {
    margin-top: 0;
    font-size: 1.35rem;
}

.form-message--error {
    border-color: var(--colour-error);
    color: var(--colour-error);
    background: var(--colour-error-background);
}

.form-message--success {
    border-color: var(--colour-success);
    color: var(--colour-success);
    background: var(--colour-success-background);
}

.contact-page {
    max-width: var(--reading-width);
}

.contact-boundary {
    margin-top: 3rem;
    padding: 1.25rem;
    border-left: 0.3rem solid var(--colour-primary);
    background: var(--colour-surface-muted);
}

.admin-dashboard,
.admin-page {
    width: min(
        calc(100% - 2rem),
        var(--content-width)
    );
    margin-inline: auto;
    padding-block: 3rem;
}

.dashboard-header {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-start;
    justify-content: space-between;
}

.dashboard-section {
    margin-block: 3rem;
    padding-block: 2rem;
    border-top: 0.0625rem solid var(--colour-border);
}

.metric-card__value {
    margin: 0;
    color: var(--colour-primary-dark);
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 800;
}

.table-wrapper {
    max-width: 100%;
    overflow-x: auto;
    border: 0.0625rem solid var(--colour-border);
    border-radius: var(--radius-small);
    background: var(--colour-surface);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 0.75rem;
    border-bottom: 0.0625rem solid var(--colour-border);
    text-align: left;
    vertical-align: top;
}

thead th {
    background: var(--colour-surface-muted);
}

tbody tr:last-child th,
tbody tr:last-child td {
    border-bottom: 0;
}

.contact-submission-list {
    display: grid;
    gap: 1rem;
}

.contact-submission {
    padding: 1.2rem;
    border: 0.0625rem solid var(--colour-border);
    border-radius: var(--radius-small);
    background: var(--colour-surface);
}

.contact-submission h3 {
    margin-top: 0;
}

.contact-submission footer {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    color: var(--colour-text-muted);
    font-size: 0.9rem;
}

.upload-result-summary {
    padding: 1rem;
    border: 0.0625rem solid var(--colour-success);
    border-radius: var(--radius-small);
    background: var(--colour-success-background);
}

.upload-result-summary--warning {
    border-color: #8b6714;
    background: var(--colour-warning-background);
}

.cookie-consent {
    position: fixed;
    z-index: 900;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    display: flex;
    max-width: 68rem;
    gap: 1rem 2rem;
    align-items: center;
    justify-content: space-between;
    margin-inline: auto;
    padding: 1rem;
    border: 0.0625rem solid var(--colour-border);
    border-radius: var(--radius-medium);
    background: var(--colour-surface);
    box-shadow: 0 0.5rem 2rem rgb(23 33 29 / 22%);
}

.cookie-consent[hidden] {
    display: none;
}

.cookie-consent h2 {
    margin: 0 0 0.25rem;
    font-size: 1.1rem;
}

.cookie-consent p {
    margin: 0;
    font-size: 0.92rem;
}

.cookie-consent__actions {
    display: flex;
    flex: 0 0 auto;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.site-footer {
    margin-top: 3rem;
    padding-block: 2.5rem;
    border-top: 0.0625rem solid var(--colour-border);
    color: #dbe7e1;
    background: #102c25;
}

.site-footer__inner {
    width: min(
        calc(100% - 2rem),
        var(--content-width)
    );
    margin-inline: auto;
}

.footer-navigation__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.25rem;
    padding: 0;
    list-style: none;
}

.site-footer a {
    color: #ffffff;
}

.site-footer__statement {
    font-weight: 700;
}

.site-footer__notice,
.site-footer__copyright {
    color: #b9c9c1;
    font-size: 0.9rem;
}

@media (max-width: 42rem) {
    .page-shell {
        width: min(
            calc(100% - 1.25rem),
            var(--content-width)
        );
    }

    .hero h1,
    .article-header h1,
    h1 {
        max-width: 100%;
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .cookie-consent {
        right: 0.6rem;
        bottom: 0.6rem;
        left: 0.6rem;
        align-items: stretch;
        flex-direction: column;
    }

    .cookie-consent__actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .cookie-consent__actions .button {
        width: 100%;
    }

    .dashboard-header {
        display: grid;
    }
}

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

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

@media print {
    .site-header,
    .site-footer,
    .cookie-consent,
    .skip-link,
    .button,
    .pagination {
        display: none !important;
    }

    body {
        color: #000000;
        background: #ffffff;
    }

    .page-shell,
    .article-detail {
        width: 100%;
        max-width: none;
        padding: 0;
    }

    a {
        color: #000000;
        text-decoration: none;
    }
}