/* Robust header styles independent from Tailwind utility generation */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.site-header-inner {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
}

.site-headline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1.25rem 0;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-logo {
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0284c7 0%, #06b6d4 100%);
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 700;
    flex: 0 0 auto;
}

.brand-logo-image {
    width: 7.5rem;
    max-width: 100%;
    height: auto;
    max-height: 3.5rem;
    display: block;
    flex: 0 0 auto;
}

.brand-meta p {
    margin: 0;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: #64748b;
}

.brand-meta h1 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #0f172a;
    line-height: 1.25;
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.25rem;
    border-radius: 0.75rem;
    line-height: 1;
    transition: background-color 0.15s ease;
}

.lang-btn img {
    width: 20px;
    height: 15px;
}

.lang-btn:hover {
    background: #f1f5f9;
}

.main-nav {
    display: flex;
    gap: 1.5rem;
    border-top: 1px solid #f1f5f9;
    padding: 0.75rem 0;
}

.main-nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: #475569;
    text-decoration: none;
}

.main-nav-link:hover {
    color: #0284c7;
}

@media (min-width: 640px) {
    .site-header-inner {
        padding: 0 1.5rem;
    }

    .brand-meta h1 {
        font-size: 1.25rem;
        line-height: 1.2;
    }

    .lang-btn {
        padding: 0.25rem 0.375rem;
    }

    .lang-btn img {
        width: 24px;
        height: 18px;
    }
}

@media (max-width: 639px) {
    .brand-logo-image {
        width: 6.25rem;
        max-height: 2.9rem;
    }
}

@media (min-width: 1024px) {
    .site-header-inner {
        padding: 0 2rem;
    }
}