/* Responsive Design - Modern Mobile First Approach */

/* Tablet and below */
@media (max-width: 768px) {
    :root {
        --section-padding: 5rem 0;
        --spacing-md: 2rem;
        --spacing-lg: 3.5rem;
        --spacing-xl: 5rem;
        --spacing-xxl: 6rem;
    }
    
    html {
        font-size: 15px;
    }
    
    body {
        font-size: 1rem;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .hero p {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-md);
    }
    
    .header-content {
        flex-wrap: wrap;
        padding: var(--spacing-sm);
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    nav {
        width: 100%;
        order: 3;
        margin-top: var(--spacing-sm);
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }
    
    nav ul li {
        width: 100%;
    }
    
    nav a {
        display: block;
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--gray-200);
        font-size: 1.0625rem;
    }
    
    nav a.active::after {
        display: none;
    }
    
    nav a.active {
        background-color: var(--gray-50);
        border-left: 3px solid var(--accent-blue);
        padding-left: calc(var(--spacing-sm) - 3px);
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    nav.hidden {
        display: none;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .hero-cta .btn {
        width: 100%;
        padding: 1.125rem 2rem;
    }
    
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .process-step {
        flex-direction: column;
        padding: var(--spacing-sm);
    }
    
    .step-number {
        margin-bottom: var(--spacing-sm);
        width: 60px;
        height: 60px;
        font-size: 1.75rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .card {
        padding: var(--spacing-sm);
    }
    
    .section-subtitle {
        font-size: 1.125rem;
    }
    
    .page-header {
        padding: var(--spacing-lg) 0;
        background-attachment: scroll;
    }
    
    .page-header h1 {
        font-size: 2.25rem;
    }
    
    .page-header p {
        font-size: 1.125rem;
    }
    
    .trust-badges {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .badge {
        text-align: center;
        padding: var(--spacing-sm);
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --section-padding: 4rem 0;
        --spacing-md: 1.5rem;
        --spacing-lg: 2.5rem;
        --spacing-xl: 3.5rem;
        --spacing-xxl: 4rem;
    }
    
    html {
        font-size: 14px;
    }
    
    body {
        font-size: 0.9375rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.625rem;
    }
    
    h3 {
        font-size: 1.375rem;
    }
    
    h4 {
        font-size: 1.125rem;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .hero h1 {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }
    
    .btn {
        padding: 0.875rem 1.75rem;
        font-size: 1rem;
    }
    
    .page-header {
        padding: var(--spacing-md) 0;
        background-attachment: scroll;
    }
    
    .page-header h1 {
        font-size: 1.875rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .step-number {
        width: 55px;
        height: 55px;
        font-size: 1.5rem;
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    .content-wrapper {
        padding: 0 var(--spacing-xs);
    }
    
    .info-box {
        padding: var(--spacing-sm);
    }
    
    .form-group input,
    .form-group textarea {
        padding: 0.875rem;
        font-size: 1rem;
    }
    
    .footer-section p {
        font-size: 0.9375rem;
    }
}

/* Desktop - Large screens */
@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .hero h1 {
        font-size: 4.5rem;
    }
    
    .hero p {
        font-size: 1.5rem;
    }
}

/* Desktop - Extra large screens */
@media (min-width: 1600px) {
    :root {
        --container-max-width: 1400px;
        --section-padding: 10rem 0;
    }
}

/* Print styles */
@media print {
    header,
    footer,
    .hero-cta,
    .btn {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
}