/* ============================================================
   Header — mobile-first
   ============================================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg-primary);
    border-bottom: 1px solid rgba(79, 106, 104, 0.35);
}
.header__inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: var(--header-h);
    padding-block: 0.5rem;
}
.header__logo { flex-shrink: 0; }
.header__logo img { width: auto; height: 40px; }

.header__right { display: flex; align-items: center; gap: 0.75rem; }
.header__flag { width: 28px; height: 28px; border-radius: 4px; object-fit: cover; }

/* --- Navigation (mobile: Off-Canvas) --- */
.header__nav {
    position: fixed;
    inset: var(--header-h) 0 0 auto;
    width: min(320px, 84vw);
    height: calc(100dvh - var(--header-h));
    background: var(--color-bg-dark);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
    z-index: 105;
}
.header__nav--open { transform: translateX(0); }

.header__nav-list { display: flex; flex-direction: column; gap: 0.25rem; }
.header__nav-link {
    display: block;
    padding: 0.85rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-weight: var(--fw-semibold);
    transition: background var(--transition-fast), color var(--transition-fast);
}
.header__nav-link:hover { background: var(--color-card); color: var(--color-heading); }
.header__nav-link--active { color: var(--color-heading); background: var(--color-card); }

.header__actions { display: flex; gap: 0.75rem; }
.header__actions--mobile { flex-direction: column; }
.header__actions--desktop { display: none; }
.header__actions .btn { padding-inline: 1.1rem; }

/* --- Burger --- */
.header__burger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    border-radius: var(--radius-sm);
}
.header__burger-line {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--color-white);
    border-radius: 2px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.header__burger[aria-expanded="true"] .header__burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger[aria-expanded="true"] .header__burger-line:nth-child(2) { opacity: 0; }
.header__burger[aria-expanded="true"] .header__burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Backdrop (dunkelt die ganze Seite ab, wenn das Menü offen ist) --- */
.header__backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

/* ============================================================
   Desktop ≥ 768px — volles Menü, kein Burger
   ============================================================ */
@media (min-width: 992px) {
    .header__burger { display: none; }
    .header__backdrop { display: none; }

    .header__nav {
        position: static;
        width: auto;
        height: auto;
        flex: 1;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        background: none;
        padding: 0;
        transform: none;
        overflow: visible;
    }
    .header__nav-list { flex-direction: row; gap: 0.25rem; }
    .header__nav-link { padding: 0.5rem 0.9rem; }
    .header__actions--mobile { display: none; }
    .header__actions--desktop { display: flex; }
}