/* Nigeria Heritage section — same layout, type and spacing as the Tiv archive,
   with a green accent so visitors can tell they are in the national archive. */
body.section-nigeria {
    --ng-green: #0B6E4F;
    --ng-green-dark: #064232;
    --ng-green-soft: #E6F2EC;
}
body.section-nigeria .detail-banner {
    background: linear-gradient(160deg, #06291f 0%, #0a4a37 55%, #0B6E4F 100%);
    animation: none;
}
body.section-nigeria .detail-banner-cat,
body.section-nigeria .detail-section-label { color: var(--ng-green); }
body.section-nigeria .detail-banner-cat { color: #9fd8bf; }
body.section-nigeria .detail-banner-badge { background: rgba(159,216,191,.15); border-color: rgba(159,216,191,.45); color: #cfeee0; }
body.section-nigeria a.ng-link { color: var(--ng-green); font-weight: 600; text-decoration: none; }
body.section-nigeria a.ng-link:hover { text-decoration: underline; }

.ng-intro { font-size: 1.05rem; line-height: 1.7; color: var(--color-text); margin: 0 0 1.5rem; }
.ng-muted { color: var(--color-text-muted); font-size: .9rem; }

/* Cards */
.ng-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.ng-card {
    display: block; background: var(--color-surface); border: 1.5px solid var(--color-border-light); border-radius: 14px;
    padding: 1.1rem 1.2rem; text-decoration: none; color: inherit; box-shadow: var(--shadow-sm); transition: var(--transition);
}
.ng-card:hover { border-color: var(--ng-green, #0B6E4F); box-shadow: var(--shadow-md); text-decoration: none; transform: translateY(-2px); }
.ng-card-type { font-family: var(--font-ui); font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ng-green, #0B6E4F); }
.ng-card-title { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 700; color: var(--color-text); margin: .25rem 0 .35rem; }
.ng-card-text { font-size: .88rem; color: var(--color-text-muted); line-height: 1.5; margin: 0; }
.ng-card-count { font-family: var(--font-ui); font-size: .8rem; color: var(--color-text-muted); margin-top: .5rem; }
.ng-group-title { font-family: var(--font-heading); font-size: 1.3rem; color: var(--color-primary); margin: 1.5rem 0 .75rem; }

/* Evidence and nature notices */
.ng-evidence { display: inline-block; padding: .25rem .75rem; border-radius: 50px; font-family: var(--font-ui); font-size: .72rem; font-weight: 600; letter-spacing: .04em; }
.ng-ev-strong  { background: #E6F2EC; color: #0B6E4F; border: 1px solid #b7dcc9; }
.ng-ev-medium  { background: #FFF6E0; color: #8a6d1f; border: 1px solid #ecd9a5; }
.ng-ev-weak    { background: #FBEAEA; color: #a33;    border: 1px solid #efc4c4; }
.ng-notice {
    border-left: 4px solid var(--color-accent); background: var(--color-surface-alt); padding: .9rem 1.1rem; border-radius: 0 10px 10px 0;
    font-size: .93rem; line-height: 1.6; margin-bottom: 1.5rem;
}
.ng-notice.ng-notice-future { border-left-color: #2563a8; background: #EAF1FA; }
.ng-notice.ng-notice-preview { border-left-color: #a33; background: #FBEAEA; }

/* Facts */
.ng-facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .75rem 1.25rem; margin: 0; }
.ng-facts dt { font-family: var(--font-ui); font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--color-text-muted); }
.ng-facts dd { margin: .15rem 0 0; font-size: .98rem; color: var(--color-text); }

/* Lists inside sections */
.ng-list { list-style: none; padding: 0; margin: 0; }
.ng-list li { padding: .5rem 0; border-top: 1px solid var(--color-border-light); font-size: .95rem; line-height: 1.5; }
.ng-list li:first-child { border-top: none; }
.ng-list .ng-meta { color: var(--color-text-muted); font-size: .83rem; }
.ng-prose p { font-size: 1rem; line-height: 1.75; margin: 0 0 .9rem; }
.ng-prose p:last-child { margin-bottom: 0; }

/* Sources */
.ng-sources { padding-left: 1.3rem; margin: 0; }
.ng-sources li { margin-bottom: .6rem; font-size: .92rem; line-height: 1.55; }
.ng-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.ng-table th { text-align: left; font-family: var(--font-ui); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--color-text-muted); padding: .4rem .5rem; }
.ng-table td { border-top: 1px solid var(--color-border-light); padding: .5rem; vertical-align: top; }

@media (max-width: 600px) {
    .ng-grid { grid-template-columns: 1fr; }
    .ng-table { font-size: .85rem; }
}