/* =====================================================
   style-nav.css — Composants de navigation partagés
   Source unique : topbar, fil d'Ariane, onglets, pager,
   cartes-outils, barre retour simulateurs, footer unifié.
   Palette navy alignée sur le reste du site (#1f4e79).
   Chargé APRÈS la feuille de la page (override volontaire).
   ===================================================== */

:root {
    --nc-navy:     #1f4e79;
    --nc-navy-mid: #2c5f8d;
    --nc-navy-lt:  #e8f0f8;
    --nc-text:     #1e2d3d;
    --nc-muted:    #5a6c7d;
    --nc-border:   #d8e5f0;
    --nc-footer-bg:#1b2a3a;
}

/* ---------- 1 · Barre d'en-tête (topbar) ---------- */
.nc-topbar {
    position: sticky;
    top: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.6rem 1.25rem;
    background: #ffffff;
    border-bottom: 2px solid var(--nc-navy);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Calibri, Arial, sans-serif;
}
.nc-topbar__brand {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--nc-navy);
    text-decoration: none;
    white-space: nowrap;
}
.nc-topbar__links {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}
.nc-topbar__links a {
    padding: 0.4rem 0.7rem;
    color: var(--nc-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 6px;
}
.nc-topbar__links a:hover {
    color: var(--nc-navy);
    background: var(--nc-navy-lt);
}
.nc-topbar__links a[aria-current="page"] {
    color: var(--nc-navy);
}
.nc-topbar__cta {
    color: #fff !important;
    background: var(--nc-navy);
}
.nc-topbar__cta:hover {
    background: var(--nc-navy-mid) !important;
    color: #fff !important;
}

/* La nav de section sticky passe sous la topbar */
.category-nav,
.alpha-nav { top: 56px; }

/* ---------- 2 · Fil d'Ariane ---------- */
.nc-breadcrumb {
    max-width: 1000px;
    margin: 1.25rem auto 0;
    padding: 0 2rem;
    font-size: 0.85rem;
    color: var(--nc-muted);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Calibri, Arial, sans-serif;
}
.nc-breadcrumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    margin: 0;
    padding: 0;
}
.nc-breadcrumb a { color: var(--nc-muted); text-decoration: none; }
.nc-breadcrumb a:hover { color: var(--nc-navy); text-decoration: underline; }
.nc-breadcrumb li + li::before {
    content: "›";
    margin-right: 0.4rem;
    color: var(--nc-border);
}
.nc-breadcrumb [aria-current="page"] { color: var(--nc-text); font-weight: 600; }

/* ---------- 3 · Onglets-frères (glossaires) ---------- */
.site-tabs {
    max-width: 1000px;
    margin: 1.5rem auto 0;
    padding: 0 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Calibri, Arial, sans-serif;
}
.site-tabs a {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--nc-navy);
    background: var(--nc-navy-lt);
    padding: 0.45rem 0.9rem;
    border-radius: 20px;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}
.site-tabs a:hover { background: #d6e6f5; }
.site-tabs a[aria-current="page"] { background: var(--nc-navy); color: #fff; }

/* ---------- 4 · Cartes-outils (accueil) ---------- */
.nc-tools {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin: 1.5rem 0;
}
.nc-tool-card {
    display: block;
    padding: 14px 16px;
    background: var(--nc-navy-lt);
    border: 1px solid var(--nc-border);
    border-radius: 10px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}
.nc-tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(31,78,121,0.15);
}
.nc-tool-card__ico { font-size: 1.4rem; line-height: 1; }
.nc-tool-card__name {
    display: block;
    margin-top: 8px;
    font-weight: 700;
    color: var(--nc-text);
}
.nc-tool-card__desc {
    display: block;
    font-size: 0.78rem;
    color: var(--nc-muted);
}

/* ---------- 5 · Barre retour (simulateurs) ---------- */
.nc-back {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.55rem 1rem;
    margin-bottom: 1.25rem;
    background: #ffffff;
    border-bottom: 2px solid var(--nc-navy);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Calibri, Arial, sans-serif;
}
.nc-back a {
    color: var(--nc-navy);
    font-weight: 700;
    font-size: 0.92rem;
    text-decoration: none;
    white-space: nowrap;
}
.nc-back a:hover { text-decoration: underline; }
.nc-back span {
    font-size: 0.82rem;
    color: var(--nc-muted);
    text-align: right;
}

/* ---------- 6 · Pagination séquentielle ---------- */
.nc-pager {
    max-width: 1000px;
    margin: 0 auto 2rem;
    padding: 0 2rem;
    display: flex;
    gap: 12px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Calibri, Arial, sans-serif;
}
.nc-pager a {
    flex: 1;
    border: 1px solid var(--nc-border);
    border-radius: 8px;
    padding: 10px 14px;
    background: #fff;
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.nc-pager a:hover { border-color: var(--nc-navy); box-shadow: 0 4px 10px rgba(31,78,121,0.1); }
.nc-pager a.is-next { text-align: right; }
.nc-pager small { display: block; font-size: 0.72rem; color: var(--nc-muted); }
.nc-pager strong { font-size: 0.95rem; color: var(--nc-navy); }
.nc-pager .nc-pager__empty { visibility: hidden; }

/* ---------- Footer unifié ---------- */
.site-footer {
    background: var(--nc-footer-bg);
    color: #cdd9e5;
    padding: 2.5rem 1.5rem 2rem;
    margin-top: 3rem;
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Calibri, Arial, sans-serif;
    line-height: 1.6;
}
.nc-footer__inner { max-width: 820px; margin: 0 auto; }
.nc-footer__brand {
    font-size: 1rem;
    color: #fff;
    margin-bottom: 1.25rem;
}
.nc-footer__brand strong { color: #fff; }
.nc-footer__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    gap: 0.35rem 0.9rem;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}
.nc-footer__h {
    color: #7f97ad;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}
.nc-footer__nav a { color: #cdd9e5; text-decoration: none; }
.nc-footer__nav a:hover { color: #fff; text-decoration: underline; }
.nc-footer__sep {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.12);
    margin: 1.25rem auto;
    max-width: 320px;
}
.nc-footer__copy { font-size: 0.85rem; color: #e6edf4; }
.nc-footer__tagline { font-size: 0.82rem; color: #9fb2c4; font-style: italic; margin-top: 0.25rem; }
.nc-footer__legal {
    font-size: 0.75rem;
    color: #8499ab;
    max-width: 640px;
    margin: 1rem auto 0;
}

/* ---------- Footer allégé ---------- */
/* Bloc "Guide" masqué visuellement (liens conservés dans le DOM pour le SEO/GEO),
   tagline retirée. La navigation guide reste assurée par la topbar + onglets glossaire. */
.nc-footer__nav[aria-label="Guide FIRE"] { display: none; }
.nc-footer__tagline { display: none; }

/* ---------- Responsive ---------- */
@media only screen and (max-width: 600px) {
    .nc-topbar { padding: 0.5rem 0.9rem; }
    .nc-topbar__brand { font-size: 0.95rem; }
    .nc-topbar__links { gap: 0.15rem; }
    .nc-topbar__links a { padding: 0.35rem 0.5rem; font-size: 0.82rem; }
    .category-nav, .alpha-nav { top: 0; }
    .nc-breadcrumb, .site-tabs, .nc-pager { padding-left: 1rem; padding-right: 1rem; }
    .nc-pager { flex-direction: column; }
    .nc-back { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
    .nc-back span { text-align: left; }
}