:root {
    --ink:          #0b2545;
    --ink-soft:     #40566f;
    --ink-faint:    #6b7f95;
    --accent:       #0a6cb4;
    --accent-dark:  #084f84;
    --rule:         #dfe5ec;
    --surface:      #ffffff;
    --surface-alt:  #f4f7fa;
    --focus:        #b8860b;

    --measure:      68ch;
    --wrap:         1120px;

    --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.9rem);
    --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
    --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.4rem);
    --step-2:  clamp(1.45rem, 1.25rem + 1vw, 1.9rem);
    --step-3:  clamp(1.8rem, 1.45rem + 1.75vw, 2.6rem);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--surface);
    color: var(--ink);
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
    font-size: var(--step-0);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}

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

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-dark); }

:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
    border-radius: 2px;
}

.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: clamp(1rem, 4vw, 2rem);
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--ink);
    color: #fff;
    padding: 0.75rem 1rem;
    z-index: 100;
}
.skip-link:focus {
    left: 0;
    color: #fff;
}

/* ── Header ─────────────────────────────────────────────── */

.site-header {
    border-bottom: 1px solid var(--rule);
    background: var(--surface);
}

.site-header__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 1rem;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    color: inherit;
}

.site-brand__logo {
    width: auto;
    height: 64px;
    display: block;
}

.site-brand__label {
    font-size: var(--step-0);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-faint);
    padding-left: 0.875rem;
    border-left: 1px solid var(--rule);
}

/* The full-size logo dominates a narrow screen — step it back a little. */
@media (max-width: 30rem) {
    .site-brand__logo { height: 44px; }
    .site-brand__label { font-size: var(--step--1); padding-left: 0.625rem; }
}

.site-nav {
    display: flex;
    gap: 1.5rem;
    font-size: var(--step--1);
    font-weight: 600;
}
.site-nav a {
    color: var(--ink-soft);
    text-decoration: none;
}
.site-nav a:hover { color: var(--accent); text-decoration: underline; }

/* ── Main ───────────────────────────────────────────────── */

.site-main {
    padding-block: clamp(2rem, 5vw, 3.5rem);
    min-height: 60vh;
}

.page-head {
    max-width: var(--measure);
    margin-bottom: clamp(2rem, 4vw, 3rem);
}

.page-head__title {
    font-size: var(--step-3);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 0.75rem;
}

.page-head__standfirst {
    margin: 0;
    font-size: var(--step-1);
    line-height: 1.5;
    color: var(--ink-soft);
}

.empty-state {
    padding: 2rem;
    background: var(--surface-alt);
    border-radius: 6px;
    color: var(--ink-soft);
}

/* ── Story list ─────────────────────────────────────────── */

.story-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--rule);
}

.story-list__item { border-bottom: 1px solid var(--rule); }

.story-card { padding-block: clamp(1.5rem, 3vw, 2rem); }

.story-card__headline {
    font-size: var(--step-1);
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin: 0 0 0.5rem;
    max-width: var(--measure);
}

.story-card__headline a {
    color: var(--ink);
    text-decoration: none;
}
.story-card__headline a:hover {
    color: var(--accent);
    text-decoration: underline;
}

.story-card__date {
    display: block;
    font-size: var(--step--1);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 0.75rem;
}

.story-card__abstract {
    margin: 0;
    max-width: var(--measure);
    color: var(--ink-soft);
}

/* The newest story on page one carries more weight. */
.story-card--lead .story-card__headline { font-size: var(--step-2); }
.story-card--lead .story-card__abstract { font-size: var(--step-1); line-height: 1.55; }

/* ── Pager ──────────────────────────────────────────────── */

.pager { margin-top: clamp(2rem, 4vw, 3rem); }

.pager__list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
    margin: 0;
    padding: 0;
}

.pager__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;
    min-height: 2.75rem;
    padding-inline: 0.75rem;
    border: 1px solid var(--rule);
    border-radius: 4px;
    font-size: var(--step--1);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--ink-soft);
    text-decoration: none;
    background: var(--surface);
}

a.pager__link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.pager__link.is-current {
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
}

.pager__link.is-disabled {
    color: #b6c2ce;
    background: var(--surface-alt);
}

.pager__link--step { gap: 0.375rem; }

.pager__ellipsis {
    padding-inline: 0.25rem;
    color: var(--ink-faint);
}

.pager__status {
    margin: 1rem 0 0;
    font-size: var(--step--1);
    color: var(--ink-faint);
}

/* ── Story page ─────────────────────────────────────────── */

.breadcrumb {
    font-size: var(--step--1);
    color: var(--ink-faint);
    margin-bottom: 1.5rem;
}
.breadcrumb span { margin-inline: 0.375rem; }

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

.story__headline {
    font-size: var(--step-3);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 0.75rem;
}

.story__date {
    display: block;
    font-size: var(--step--1);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 2rem;
}

.story__abstract {
    font-size: var(--step-1);
    line-height: 1.6;
    color: var(--ink);
}

/* The abstract acts as a standfirst, so the body starts with a visual break. */
.story__body {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
}

.story__body p {
    margin: 0 0 1.25rem;
    line-height: 1.7;
}

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

/* ── Related ────────────────────────────────────────────── */

.related {
    margin-top: clamp(3rem, 6vw, 4.5rem);
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
}

.related__heading {
    font-size: var(--step--1);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin: 0 0 1.25rem;
}

.related__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.related__item a {
    display: block;
    font-weight: 600;
    line-height: 1.35;
    color: var(--ink);
    text-decoration: none;
    margin-bottom: 0.375rem;
}
.related__item a:hover { color: var(--accent); text-decoration: underline; }

.related__item time {
    font-size: var(--step--1);
    color: var(--ink-faint);
}

/* ── Footer ─────────────────────────────────────────────── */

.site-footer {
    border-top: 1px solid var(--rule);
    background: var(--surface-alt);
}

.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    justify-content: space-between;
    padding-block: 1.5rem;
    font-size: var(--step--1);
    color: var(--ink-faint);
}

.site-footer p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}