:root {
    --brand: #00b0a2;
    --brand-dark: #008a7e;
    --header-height: 3.5rem;
}

/* ── Header ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--brand);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* ── Brand ── */
.site-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-decoration: none;
}

.site-brand:hover .site-title {
    opacity: 0.85;
}

.site-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
}

.site-logo {
    height: 1rem;
    width: auto;
    object-fit: contain;
    transform: scale(2);
}

/* ── Nav liens ── */
.header-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 20px;
}

/* ── Liens header ── */
.header-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    background: transparent;
    box-shadow: 0 3px 0 rgba(0, 0, 0, 0.2);
    transition: all 0.1s ease;
    white-space: nowrap;
}

.header-link:hover {
    background: var(--brand-dark);
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
}

.header-link--accent {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}

.header-link--accent:hover {
    background: var(--brand-dark);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
}

/* ── Dropdown langue ── */
.lang-dropdown {
    position: relative;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.6);
    color: #fff;
    padding: 5px 12px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.03em;
    box-shadow: 0 3px 0 rgba(0, 0, 0, 0.2);
    transition: all 0.1s ease;
}

.lang-btn:hover {
    background: var(--brand-dark);
}

.lang-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    list-style: none;
    padding: 4px;
    min-width: 140px;
    z-index: 200;
}

.lang-dropdown.open .lang-menu {
    display: block;
}

.lang-menu li a {
    display: block;
    padding: 7px 12px;
    font-size: 14px;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.1s;
}

.lang-menu li a:hover {
    background: var(--brand);
    color: #fff;
}

.lang-menu li a.active {
    color: var(--brand);
    font-weight: 500;
}

/* ── Hamburger ── */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.2s;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .desktop-only {
        display: none;
    }
}

/* ── Drawer overlay ── */
.drawer-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 150;
    opacity: 0;
    transition: opacity 0.25s;
}

.drawer-overlay.open {
    display: block;
    opacity: 1;
}

/* ── Drawer ── */
.drawer {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 280px;
    height: calc(100vh - var(--header-height));
    background: #fff;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    display: flex;
    flex-direction: column;
}

.drawer.open {
    transform: translateX(0);
}

.drawer-content {
    flex: 1;
    overflow-y: auto;
}

body.drawer-open {
    overflow: hidden;
}

/* ── Drawer nav ── */
.drawer-nav-item {
    display: block;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    text-decoration: none;
    border-bottom: 1px solid #e5e7eb;
    transition: all 0.1s;
}

.drawer-nav-item:hover {
    background: #f0faf9;
    color: var(--brand);
}