/* Navigation */
.navbar {
    background: #fff;
    padding: 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 0 rgba(17, 24, 39, 0.06);
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    min-height: 68px;
}

.nav-brand {
    flex-shrink: 0;
}

.nav-logo-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    line-height: 0;
}

.nav-logo-wrapper .nav-logo {
    display: block;
    height: 36px;
    width: auto;
    transform: translateY(1px);
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.nav-menu a {
    display: inline-flex;
    align-items: center;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    min-height: 36px;
    line-height: 1;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.nav-menu a:hover {
    color: var(--accent-blue);
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
    justify-self: end;
}

.nav-language-dropdown,
.mobile-language-picker {
    position: relative;
}

.nav-language-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border: 1px solid var(--border-color);
    background: #fff;
    color: var(--text-dark);
    border-radius: 999px;
    padding: 0.45rem 0.7rem;
    min-height: 36px;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.nav-auth .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    line-height: 1;
}

.nav-language-toggle:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.nav-language-toggle i {
    font-size: 0.95rem;
}

.mobile-language-toggle {
    width: 100%;
    justify-content: center;
    border-radius: 10px;
    margin-top: 0.2rem;
}

.nav-language-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
    padding: 0.4rem;
    z-index: 1100;
}

.nav-language-dropdown.open .nav-language-menu,
.mobile-language-picker.open .nav-language-menu {
    display: block;
}

.nav-language-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-dark);
    font-size: 0.92rem;
    padding: 0.55rem 0.65rem;
}

.nav-language-option:hover {
    background: var(--accent-blue-light);
    color: var(--accent-blue-dark);
}

.nav-language-option.active {
    background: var(--accent-blue-light);
    color: var(--accent-blue-dark);
    font-weight: 600;
}

.nav-language-code {
    opacity: 0.7;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

.mobile-language-picker .nav-language-menu {
    position: static;
    margin-top: 0.5rem;
    width: 100%;
    box-shadow: none;
}

.mobile-nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    gap: 1rem;
}

.mobile-nav-menu.active {
    display: flex;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--accent-blue);
}

.nav-link.active {
    color: var(--accent-blue);
    font-weight: 600;
}

.mobile-menu-toggle {
    display: none;
    cursor: pointer;
    color: var(--text-dark);
    font-size: 1.2rem;
    justify-self: end;
}

@media (max-width: 1024px) and (min-width: 769px) {
    .navbar .container {
        gap: 0.75rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .nav-auth {
        gap: 0.5rem;
    }

    .nav-auth .btn-primary {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        display: flex;
        justify-content: space-between;
    }

    .nav-menu,
    .nav-auth {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-nav-menu .nav-link {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--border-color);
        text-align: center;
    }

    .mobile-nav-menu .nav-link:last-child {
        border-bottom: none;
    }

    .mobile-nav-menu .mobile-language-picker {
        width: 100%;
    }

    .mobile-nav-menu .btn-primary {
        margin-top: 0.5rem;
        align-self: center;
        width: fit-content;
        padding: 0.75rem 2rem;
    }
}