.top-navigation {
    background: var(--color-white);
    border-bottom: 2px solid var(--color-background-light);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--elevation-1);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}
.nav-link {
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    color: var(--color-text-medium);
    font-weight: 600;
    font-size: var(--font-size-base);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-family: var(--font-family-primary);
}
.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-background-light);
}
.nav-link.active {
    color: var(--color-white);
    background: var(--color-primary);
    border-bottom: 2px solid var(--color-secondary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

/* Mobile Menu Button */
.nav-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text-dark);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav-menu-toggle:hover {
    background: var(--color-background-light);
    color: var(--color-primary);
}

.nav-menu-toggle:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Responsive Navigation */
@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }
    
    .nav-menu-toggle {
        display: block;
        order: 2;
    }
    
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        order: 3;
        gap: var(--spacing-xs);
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-background-light);
    }
    
    .nav-links.mobile-open {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        text-align: left;
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-background-light);
    border-radius: var(--radius-md);
    color: var(--color-text-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    box-shadow: var(--elevation-1);
}
.back-button:hover {
    background: var(--color-background-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateX(-2px);
}

.service-header-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--elevation-2);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.service-header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-dark);
    margin: 0;
    line-height: 1.2;
    flex: 1;
}

.service-code-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.service-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-medium);
    line-height: 1.6;
    margin: 0 0 var(--spacing-lg) 0;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-background-light);
}

.service-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
}

.service-category {
    color: var(--color-text-medium);
    font-size: var(--font-size-base);
}

.service-tier-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-background-light);
    color: var(--color-text-dark);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.service-price {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.service-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--elevation-1);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.service-section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-background-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.service-section-title i {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}


.service-section-content {
    color: var(--color-text-dark);
    line-height: 1.8;
}

.service-section-content p {
    margin-bottom: var(--spacing-md);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.pricing-column .info-grid,
.time-column .info-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

@media (min-width: 768px) {
    .pricing-column .info-grid,
    .time-column .info-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-medium);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.info-value {
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    font-weight: 500;
}

.pricing-time-container,
.requirements-documents-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .pricing-time-container,
    .requirements-documents-container {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .pricing-column,
    .time-column,
    .requirements-column,
    .documents-column {
        flex: 1;
        min-width: 0;
    }
}

.pricing-column,
.time-column,
.requirements-column,
.documents-column {
    width: 100%;
}

.pricing-column .info-grid {
    text-align: right;
}

.pricing-column .info-item {
    align-items: flex-end;
}

.pricing-column .info-value {
    text-align: right;
}

.requirements-list,
.documents-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirements-list li,
.documents-list li {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--color-paper);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-sm);
}

.requirements-list li:before,
.documents-list li:before {
    content: "✓";
    color: var(--color-primary);
    font-weight: 700;
    margin-right: var(--spacing-sm);
}

.filter-codes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.filter-code-item {
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-background-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.filter-code-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--elevation-1);
}

.filter-code-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-medium);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-align: left;
}

.filter-code-value {
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    font-weight: 400;
    line-height: 1.6;
    text-align: left;
}

.filter-code-value.filter-code-raw {
    font-family: monospace;
    font-weight: 600;
}

.filter-code-raw-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-medium);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

.error-message {
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    color: var(--color-error-text);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.error-message a {
    color: var(--color-error-text);
    text-decoration: underline;
    font-weight: 600;
}

.loading-message {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-medium);
}

.footnote-icon {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    margin-left: var(--spacing-xs);
    vertical-align: middle;
}

.service-price .footnote-icon {
    font-size: var(--font-size-base);
    margin-left: 4px;
}

.service-section-title .footnote-icon {
    font-size: var(--font-size-base);
    margin-left: var(--spacing-xs);
}

.disclaimer-footnote {
    background: var(--color-paper);
    border-left: 3px solid var(--color-primary);
}

.footnote-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-md);
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.footnote-item:last-child {
    margin-bottom: 0;
}

.footnote-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.footnote-title {
    color: var(--color-text-dark);
    font-weight: 600;
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.footnote-content {
    font-size: var(--font-size-sm);
    color: var(--color-text-medium);
    line-height: 1.6;
}

.footnote-header .footnote-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

@media (max-width: 768px) {
    .footnote-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .service-header-top {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .service-code-badge {
        align-self: flex-end;
    }
    
    .service-title {
        font-size: var(--font-size-2xl);
    }
    
    .service-subtitle {
        font-size: var(--font-size-base);
    }
    
    .service-price {
        font-size: var(--font-size-xl);
        margin-left: 0;
        margin-top: var(--spacing-md);
    }
    
    .service-meta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
}