/* ============================================================
 * NIAMR v2.0 — Design tokens & base utilities
 *
 * Loaded after common-style.css so these values take precedence
 * for any class that uses the new --color-* / --space-* / etc.
 * vocabulary. Existing --primary-color / --secondary-color tokens
 * from common-style.css remain untouched — v1 pages continue to
 * render with their original palette until each page is rebuilt
 * for v2 in PR 1–7.
 *
 * Spec references: §10, §12.1–§12.10
 * ============================================================ */

:root {
    /* ---------- Color palette (spec §10) ---------- */
    --color-primary:   #042657;  /* NIAMR navy */
    --color-secondary: #005EB8;  /* NIHR blue — demoted from primary */
    --color-accent:    #00A651;  /* One Health green */
    --color-ruby:      #be0c23;  /* NIAMR ruby red — icons + hover states */
    --color-alert:     #D4351C;  /* AMR burden / warnings */
    --color-text:      #042657;
    --color-light:     #F5F7FA;
    --color-white:     #FFFFFF;

    /* ---------- Spacing (spec §12.1) — 8px base ---------- */
    --space-1:   4px;
    --space-2:   8px;
    --space-3:  16px;
    --space-4:  24px;
    --space-5:  32px;
    --space-6:  48px;
    --space-7:  64px;
    --space-8:  96px;
    --space-9: 128px;

    /* ---------- Typography scale (spec §12.2) ---------- */
    --font-display:   72px;  /* Hero wordmark */
    --font-h1:        48px;
    --font-h2:        36px;
    --font-h3:        28px;
    --font-h4:        22px;
    --font-body-lg:   20px;
    --font-body:      17px;
    --font-body-sm:   15px;
    --font-caption:   13px;
    --font-eyebrow:   13px;

    --lh-display:     1.05;
    --lh-heading:     1.2;
    --lh-body:        1.6;
    --lh-caption:     1.45;

    --track-display:  -0.02em;
    --track-heading:  -0.01em;
    --track-eyebrow:   0.12em;

    /* ---------- Radii ---------- */
    --radius-sm:  8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* ---------- Shadows (spec §12.4, §12.5) ---------- */
    --shadow-card-default: none;
    --shadow-card-hover:   0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-image:        0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-image-hover:  0 12px 32px rgba(0, 0, 0, 0.12);
    --shadow-strong:       0 12px 32px rgba(0, 0, 0, 0.08);

    /* ---------- Motion (spec §12.7) ---------- */
    --ease-default:     cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --duration-fast:    150ms;
    --duration-default: 200ms;
    --duration-slow:    400ms;

    /* ---------- Layout ---------- */
    --max-content: 1280px;
    --max-prose:   70ch;

    /* ---------- Card token shortcuts ---------- */
    --card-border:  1px solid rgba(4, 38, 87, 0.08);
    --card-radius:  var(--radius-md);
    --card-padding: var(--space-4);
}

/* ---------- Reduced motion (spec §12.7, §12.9) ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---------- Skip-target (invisible anchor, focusable for scroll) ---------- */
.skip-target {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

/* ---------- Skip-to-content link (spec §12.9) ---------- */
.skip-link {
    position: absolute;
    top: -40px;
    left: 8px;
    padding: var(--space-2) var(--space-3);
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
    border-radius: var(--radius-sm);
    z-index: 10000;
    transition: top var(--duration-fast) var(--ease-default);
}
.skip-link:focus,
.skip-link:focus-visible {
    top: 8px;
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ---------- Utility: prose reading measure ---------- */
.v2-prose {
    max-width: var(--max-prose);
    margin-inline: auto;
    font-size: var(--font-body);
    line-height: var(--lh-body);
    color: var(--color-text);
}
.v2-prose > * + * { margin-top: var(--space-3); }
.v2-prose h2 { font-size: var(--font-h2); line-height: var(--lh-heading); letter-spacing: var(--track-heading); margin-top: var(--space-6); }
.v2-prose h3 { font-size: var(--font-h3); line-height: var(--lh-heading); margin-top: var(--space-5); }

/* ---------- Eyebrow label (spec §12.2) ---------- */
.v2-eyebrow {
    display: inline-block;
    font-size: var(--font-eyebrow);
    font-weight: 600;
    letter-spacing: var(--track-eyebrow);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-2);
}

/* ---------- Pull-quote (spec §12.4, §12.5) ---------- */
.v2-pullquote {
    border-left: 4px solid var(--color-accent);
    padding: var(--space-3) var(--space-4);
    margin: var(--space-5) 0;
    font-size: var(--font-h3);
    font-style: italic;
    color: var(--color-primary);
    line-height: 1.4;
    max-width: 900px;
}

/* ---------- Card base (spec §12.5) ---------- */
.v2-card {
    background: var(--color-white);
    border: var(--card-border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    box-shadow: var(--shadow-card-default);
    transition: box-shadow var(--duration-default) var(--ease-default),
                transform var(--duration-default) var(--ease-default);
}
.v2-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}
.v2-card--featured { padding: var(--space-5); }
.v2-card--on-navy { background: var(--color-light); }

/* ---------- Button primitives (spec §12.6) ---------- */
.v2-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    height: 44px;
    padding: 0 var(--space-4);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: background-color var(--duration-default) var(--ease-default),
                transform var(--duration-fast) var(--ease-default);
    cursor: pointer;
    border: 1.5px solid transparent;
}
.v2-btn--primary   { background: var(--color-accent); color: var(--color-white); }
.v2-btn--primary:hover   { filter: brightness(0.92); }
.v2-btn--secondary-on-navy { background: transparent; color: var(--color-white); border-color: var(--color-white); }
.v2-btn--secondary-on-white { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.v2-btn--tertiary  { background: transparent; color: var(--color-accent); padding: 0; height: auto; }
.v2-btn--tertiary:hover { text-decoration: underline; }
.v2-btn--large { height: 56px; padding: 0 var(--space-5); font-size: 17px; }
.v2-btn--small { height: 36px; padding: 0 var(--space-3); font-size: 14px; }

.v2-btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ---------- Filter chips (spec §12.6) ---------- */
.v2-chip {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 var(--space-3);
    font-size: 14px;
    font-weight: 500;
    background: var(--color-light);
    color: var(--color-primary);
    border: 1px solid rgba(4, 38, 87, 0.08);
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--duration-fast) var(--ease-default), color var(--duration-fast) var(--ease-default), border-color var(--duration-fast) var(--ease-default);
}
.v2-chip:hover { background: rgba(190, 12, 35, 0.06); color: var(--color-ruby); border-color: rgba(190, 12, 35, 0.25); }
.v2-chip[aria-selected="true"],
.v2-chip--active {
    background: var(--color-ruby);
    color: var(--color-white);
    border-color: var(--color-ruby);
}

/* ---------- Stat card (spec §12.5) ---------- */
.v2-stat-card { text-align: left; }
.v2-stat-card__icon { color: var(--color-ruby); width: 40px; height: 40px; margin-bottom: var(--space-3); }
.v2-stat-card__value { font-size: var(--font-h2); font-weight: 800; color: var(--color-accent); line-height: 1.1; }
.v2-stat-card__body { margin-top: var(--space-3); }

/* ---------- Placeholder (spec §16) ---------- */
.content-placeholder {
    display: block;
    padding: var(--space-3);
    border: 2px dashed var(--color-alert);
    border-radius: var(--radius-sm);
    background: rgba(212, 53, 28, 0.06);
    color: var(--color-alert);
    font-size: var(--font-body-sm);
    margin: var(--space-4) 0;
}
.content-placeholder strong { margin-right: var(--space-2); }

/* ---------- NIHR disclaimer in footer (spec §15) ---------- */
.nihr-disclaimer {
    padding: var(--space-4) 0;
    background: rgba(0, 0, 0, 0.08);
}
.nihr-disclaimer__text {
    max-width: 900px;
    margin: 0 auto;
    font-size: var(--font-body-sm);
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.75);
}

/* ---------- Partner logo strip ---------- */
.v2-partners { padding: var(--space-5) 0; }
.v2-partners__heading {
    text-align: center;
    font-size: var(--font-caption);
    text-transform: uppercase;
    letter-spacing: var(--track-eyebrow);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}
.v2-partners__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-5);
}
.v2-partners__item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 80px;
    padding: var(--space-2);
    transition: transform var(--duration-default) var(--ease-default);
}
.v2-partners__item:hover { transform: translateY(-2px); }
.v2-partners__item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* ---------- Hub filter chips (Engagement, Insights, Outputs) ---------- */
.hub-chip {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: rgba(4, 38, 87, 0.05);
    color: #042657;
    border: 1px solid rgba(4, 38, 87, 0.12);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}
.hub-chip:hover {
    background: rgba(190, 12, 35, 0.06);
    color: #be0c23;
    border-color: rgba(190, 12, 35, 0.25);
}
.hub-chip.is-active,
.hub-chip[aria-pressed="true"] {
    background: #be0c23;
    color: #ffffff;
    border-color: #be0c23;
}
.hub-chip:focus-visible {
    outline: 2px solid #be0c23;
    outline-offset: 2px;
}

/* Sidebar category link variant (blog-standard pattern) */
.sidebar-categories-widget a.hub-chip-link.is-active {
    color: #be0c23;
    font-weight: 700;
}
.sidebar-categories-widget a.hub-chip-link.is-active i { color: #be0c23; }

/* Multi-line truncation for hub card titles / summaries so card heights
   stay consistent regardless of content length. */
.hub-clamp-2,
.hub-clamp-3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}
.hub-clamp-2 { -webkit-line-clamp: 2; line-clamp: 2; }
.hub-clamp-3 { -webkit-line-clamp: 3; line-clamp: 3; }

/* ---------- Medolia avatar ribbon — site-wide fallback ----------
   The rules below duplicate a subset of home-one.css so the avatar
   ribbon (used in the footer platform-CTA and elsewhere) still
   renders as small overlapping circles on pages that don't load
   home-one.css (About, Team, Contact, etc.). Home still uses
   home-one.css for the full component. */
.medolia-avatar-box .medolia-avatar ul {
    display: inline-flex;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 0 0 auto;
}
.medolia-avatar-box .medolia-avatar ul li {
    flex: 0 0 auto;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.medolia-avatar-box .medolia-avatar ul li:not(:first-child) { margin-left: -15px; }
.medolia-avatar-box .medolia-avatar ul li img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 3px solid #ffffff;
    border-radius: 50%;
}
.medolia-avatar-box .medolia-avatar ul li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: rgba(0, 166, 81, 0.15);
    color: #00A651;
    font-size: 12px;
    font-weight: 700;
    border: 3px solid #ffffff;
    border-radius: 50%;
}

/* ---------- Nav (spec §9 split-dropdown) ---------- */
.v2-nav__list {
    display: flex;
    gap: var(--space-3);
    list-style: none;
    margin: 0;
    padding: 0;
}
.v2-nav__item { position: relative; display: inline-flex; align-items: center; }
.v2-nav__link {
    padding: var(--space-2) var(--space-2);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: border-color var(--duration-fast) var(--ease-default);
}
.v2-nav__link:hover,
.v2-nav__item.is-active .v2-nav__link {
    border-bottom-color: var(--color-ruby);
    color: var(--color-primary);
}
.v2-nav__caret {
    background: transparent;
    border: 0;
    padding: 4px 6px;
    margin-left: 2px;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-primary);
}
.v2-nav__caret:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}
.v2-nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    margin: 0;
    padding: var(--space-2);
    list-style: none;
    background: var(--color-white);
    border: var(--card-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card-hover);
    z-index: 50;
}
.v2-nav__dropdown[hidden] { display: none; }
.v2-nav__item.has-children:hover .v2-nav__dropdown,
.v2-nav__item.has-children:focus-within .v2-nav__dropdown {
    display: block;
}
.v2-nav__dropdown-link {
    display: block;
    padding: var(--space-2) var(--space-3);
    color: var(--color-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: var(--font-body-sm);
}
.v2-nav__dropdown-link:hover,
.v2-nav__dropdown-link:focus-visible {
    background: var(--color-light);
    color: var(--color-primary);
}

/* ---------- Preloader — logo instead of spinner ---------- */
.niamr-preloader-logo {
    width: 200px;
    max-width: 70vw;
    animation: niamr-loader-pulse 1.4s ease-in-out infinite;
}
@keyframes niamr-loader-pulse {
    0%, 100% { opacity: 1;    transform: scale(1);    }
    50%       { opacity: 0.5; transform: scale(0.94); }
}

/* ---------- Medolia theme-btn hover — override black with ruby ---------- */
.theme-btn.style-one:hover {
    background-color: var(--color-ruby);
    color: var(--color-white);
}