/* Menu commun à toutes les pages. Les couleurs viennent des variables de chaque page. */
html { scroll-padding-top: 5rem; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
}
.site-header .bar {
    max-width: 64rem;
    margin: 0 auto;
    padding: 0.7rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.site-header .menu { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.site-header a {
    color: #444;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.site-header .menu a:hover { color: #b3121f; }
.site-header .menu a[aria-current="page"] {
    color: #b3121f;
    box-shadow: 0 2px 0 #b3121f;
}
.site-header .cta {
    background: #b3121f;
    color: #fff;
    padding: 0.45rem 1.1rem;
    border-radius: 4px;
    white-space: nowrap;
}
.site-header .cta:hover { background: #8a0e18; color: #fff; }

/* bouton « Menu » : visible seulement sur petit écran, sans JavaScript */
.site-header .nav-toggle {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
}
.site-header .burger {
    display: none;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #1a1a1a;
    border: 1px solid #cfcfcf;
    border-radius: 4px;
    padding: 0.4rem 0.8rem;
}
.site-header .nav-toggle:focus-visible + .burger { outline: 2px solid #b3121f; outline-offset: 2px; }

@media (max-width: 58rem) {
    .site-header .burger { display: inline-block; }
    .site-header .menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: #fff;
        border-bottom: 1px solid #e5e5e5;
        padding: 0.4rem 1.5rem 1rem;
        box-shadow: 0 8px 12px rgba(0, 0, 0, 0.08);
    }
    .site-header .nav-toggle:checked ~ .menu { display: flex; }
    .site-header .menu a {
        font-size: 0.95rem;
        padding: 0.75rem 0;
        border-bottom: 1px solid #efefef;
    }
    .site-header .menu a[aria-current="page"] { box-shadow: none; }
}