/* Responsive Design */

/* Tablets (768px e abaixo) */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    /* Header */
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--background-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-medium);
        gap: var(--spacing-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero */
    .hero {
        padding: 100px 0 var(--spacing-2xl);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Differentials */
    .differentials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Clients */
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    /* CTA */
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

/* Mobile (480px e abaixo) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Typography */
    h1 {
        font-size: var(--font-size-2xl);
    }
    
    h2 {
        font-size: var(--font-size-xl);
    }
    
    h3 {
        font-size: var(--font-size-lg);
    }
    
    /* Hero */
    .hero {
        padding: 80px 0 var(--spacing-xl);
    }
    
    .hero-text h1 {
        font-size: var(--font-size-2xl);
    }
    
    .hero-text p {
        font-size: var(--font-size-base);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Sections */
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-xl);
    }
    
    .section-header p {
        font-size: var(--font-size-base);
    }
    
    /* Service Cards */
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
    
    /* Differential Items */
    .differential-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: var(--font-size-3xl);
    }
    
    .stat-label {
        font-size: var(--font-size-base);
    }
    
    /* Testimonials */
    .testimonial-card {
        padding: var(--spacing-lg);
    }
    
    /* Clients */
    .clients-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .client-logo {
        padding: var(--spacing-lg);
    }
    
    /* CTA */
    .cta-content h2 {
        font-size: var(--font-size-xl);
    }
    
    .cta-content p {
        font-size: var(--font-size-base);
    }
    
    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .footer-content {
        gap: var(--spacing-xl);
    }
    
    .contact-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Large screens (1200px e acima) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-text h1 {
        font-size: 4rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .clients-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* Print styles */
@media print {
    .header,
    .hamburger,
    .btn,
    .cta,
    .footer {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: black;
        background: white;
    }
    
    .hero {
        background: white;
        color: black;
        padding: 20pt 0;
    }
    
    .hero-text h1 {
        color: black;
        font-size: 24pt;
    }
    
    .section-header h2 {
        color: black;
        font-size: 18pt;
    }
    
    .service-card,
    .testimonial-card {
        border: 1pt solid #ccc;
        break-inside: avoid;
        margin-bottom: 10pt;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000080;
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #000000;
    }
    
    .btn-outline {
        border-width: 3px;
    }
    
    .service-card,
    .testimonial-card,
    .client-logo {
        border: 2px solid var(--border-color);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-white: #1f2937;
        --background-light: #111827;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --text-light: #9ca3af;
        --border-color: #374151;
    }
    
    .header {
        background-color: var(--background-white);
        border-bottom: 1px solid var(--border-color);
    }
    
    .service-card,
    .testimonial-card,
    .client-logo {
        background-color: var(--background-white);
        border: 1px solid var(--border-color);
    }
    
    .nav-menu {
        background-color: var(--background-white);
    }
}