/* ===========================================================
   header.css — v4 « Édition érudite »
   =========================================================== */

.site-header {
    position: relative;
    padding-top: 18px;
    background: var(--color-paper);
    z-index: var(--z-header);
}

.site-header--dark {
    background: var(--color-primary-dark);
    color: var(--color-paper);
}

/* ─ Strip top (Vol. I · MMXXIV · langues · contact) ── */
.site-header__strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 36px 14px;
    font-family: var(--font-sans);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--color-ink-soft);
    font-weight: 500;
}

.site-header--dark .site-header__strip { color: rgba(255, 255, 255, 0.55); }

.site-header__date {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0.02em;
    font-size: 13px;
    color: var(--color-secondary);
    font-variation-settings: 'opsz' 24;
}

.site-header__meta {
    display: flex;
    align-items: center;
    gap: 30px;
}

.site-header__contact {
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.site-header--dark .site-header__contact { color: var(--color-secondary-light); }
.site-header__contact:hover { color: var(--color-secondary); }
.site-header--dark .site-header__contact:hover { color: var(--color-paper); }

/* ─ Brand centré avec ornements latéraux ─────────────── */
.site-header__brand {
    text-align: center;
    padding: 36px 0;
    position: relative;
}

.site-header__brand::before,
.site-header__brand::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 120px;
    height: 40px;
    background-repeat: no-repeat;
    background-size: contain;
    transform: translateY(-50%);
    opacity: 0.45;
}

.site-header__brand::before {
    left: 40px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 40' fill='none' stroke='%23b45309' stroke-width='1'><path d='M0 20 L55 20'/><path d='M55 12 Q65 20 55 28 Q45 20 55 12'/><circle cx='70' cy='20' r='2' fill='%23b45309'/><path d='M80 16 Q87 20 80 24 Q73 20 80 16'/><path d='M95 14 L95 26 M91 20 L99 20'/></svg>");
}

.site-header__brand::after {
    right: 40px;
    transform: translateY(-50%) scaleX(-1);
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 40' fill='none' stroke='%23b45309' stroke-width='1'><path d='M0 20 L55 20'/><path d='M55 12 Q65 20 55 28 Q45 20 55 12'/><circle cx='70' cy='20' r='2' fill='%23b45309'/><path d='M80 16 Q87 20 80 24 Q73 20 80 16'/><path d='M95 14 L95 26 M91 20 L99 20'/></svg>");
}

@media (max-width: 700px) {
    .site-header__brand::before,
    .site-header__brand::after { display: none; }
}

.site-logo {
    display: inline-block;
    line-height: 1;
}

.site-logo__ar {
    font-family: var(--font-arabic);
    font-size: 26px;
    color: var(--color-secondary);
    line-height: 1;
    margin-bottom: 14px;
    direction: rtl;
    font-weight: 700;
}

.site-header--dark .site-logo__ar { color: var(--color-secondary-light); }

.site-logo__fr {
    font-family: var(--font-serif);
    font-weight: 480;
    font-size: 36px;
    color: var(--color-ink);
    line-height: 1.05;
    letter-spacing: -0.018em;
    font-variation-settings: 'opsz' 96, 'SOFT' 50;
    transition: color var(--transition-fast);
}

.site-header--dark .site-logo__fr { color: var(--color-paper); }
.site-logo:hover .site-logo__fr { color: var(--color-primary); }
.site-header--dark .site-logo:hover .site-logo__fr { color: var(--color-secondary-light); }

.site-logo__tagline {
    font-family: var(--font-sans);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.32em;
    color: var(--color-ink-soft);
    margin-top: 12px;
    font-weight: 500;
}

.site-header--dark .site-logo__tagline { color: rgba(255, 255, 255, 0.5); }

@media (max-width: 600px) {
    .site-logo__fr { font-size: 26px; }
    .site-logo__ar { font-size: 22px; }
}

/* ─ Navigation horizontale avec diamants ocre ─────── */
.site-header__nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 22px;
    padding: 20px 36px 22px;
    border-top: 1px solid var(--color-stone);
    font-family: var(--font-sans);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 500;
    flex-wrap: wrap;
}

.site-header--dark .site-header__nav { border-top-color: rgba(255, 255, 255, 0.1); }

.site-header__nav a {
    color: var(--color-ink-soft);
    transition: color var(--transition-fast), border-color var(--transition-fast);
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
}

.site-header--dark .site-header__nav a { color: rgba(255, 255, 255, 0.65); }

.site-header__nav a:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.site-header--dark .site-header__nav a:hover {
    color: var(--color-secondary-light);
    border-bottom-color: var(--color-secondary-light);
}

.site-header__diamond {
    color: var(--color-secondary);
    opacity: 0.55;
    transform: rotate(45deg);
    display: inline-block;
    width: 4px;
    height: 4px;
    background: currentColor;
}

/* ─ Burger mobile ────────────────────────────────── */
.menu-toggle {
    display: none;
    position: absolute;
    top: 18px;
    right: 24px;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: 0;
    color: var(--color-ink-soft);
    font-size: 20px;
    cursor: pointer;
    z-index: 100;
}

.site-header--dark .menu-toggle { color: var(--color-paper); }

@media (max-width: 700px) {
    .menu-toggle { display: flex; align-items: center; justify-content: center; }
    .site-header__nav { display: none; }
    .site-header__strip {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    .site-header__brand { padding: 20px 0; }
}

/* ─ Menu mobile overlay ──────────────────────────── */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--color-paper);
    z-index: calc(var(--z-header) - 1);
    display: grid;
    place-items: center;
    padding: 60px 24px;
}

body.theme-dark .mobile-menu { background: var(--color-primary-dark); }

.mobile-menu[hidden] { display: none; }

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 24px;
    text-align: center;
    list-style: none;
    padding: 0;
}

.mobile-menu a {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 460;
    color: var(--color-ink);
    transition: color var(--transition-fast);
    font-variation-settings: 'opsz' 60, 'SOFT' 30;
}

body.theme-dark .mobile-menu a { color: var(--color-paper); }

.mobile-menu a:hover { color: var(--color-secondary); }

.mobile-menu__cta {
    color: var(--color-secondary) !important;
    font-weight: 600 !important;
}

/* ─ Switcher de langue intégré au strip top ──────── */
.lang-switcher {
    display: inline-flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    gap: 6px !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    white-space: nowrap !important;
}

.site-header .lang-switcher__item,
.lang-switcher__item {
    flex: 0 0 auto !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-family: var(--font-sans) !important;
    font-size: 10.5px !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.16em !important;
    color: var(--color-ink-soft) !important;
    padding: 3px 9px !important;
    border-radius: 3px !important;
    border: 1px solid transparent !important;
    transition: all 0.2s ease !important;
    line-height: 1 !important;
    text-decoration: none !important;
    margin: 0 !important;
}

.lang-switcher__item:hover {
    color: var(--color-primary) !important;
    background: rgba(6, 78, 59, 0.06) !important;
}

.lang-switcher__item.is-current {
    background: var(--color-primary) !important;
    color: var(--color-paper) !important;
    border-color: var(--color-primary) !important;
}

.lang-switcher__item.is-no-translation { opacity: 0.45 !important; }

.site-header--dark .lang-switcher__item { color: rgba(255, 255, 255, 0.6) !important; }
.site-header--dark .lang-switcher__item:hover {
    color: var(--color-paper) !important;
    background: rgba(255, 255, 255, 0.08) !important;
}
.site-header--dark .lang-switcher__item.is-current {
    background: var(--color-secondary) !important;
    border-color: var(--color-secondary) !important;
    color: var(--color-paper) !important;
}

/* ─ Le contenu principal a la place — pas de padding fixe */
.site-main { min-height: 50vh; }