/* ===================================
   AURIUS MEDICAL - RESPONSIVE CSS
   Mobile-First Design Approach
   =================================== */

/* Tablet Styles (768px and down) */
@media (max-width: 768px) {
  /* Differentials for tablets */
  .differentials-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* Typography Adjustments */
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  /* Container */
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  /* Header */
  .nav-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: #022133;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    transition: var(--transition-normal);
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--color-secondary);
    margin-top: var(--spacing-sm);
  }
  
  .nav-actions {
    gap: var(--spacing-sm);
  }
  
  .nav-actions .btn {
    padding: 10px 20px;
    font-size: 0.875rem;
  }
  
  /* Hero Section */
  .hero {
    min-height: 80vh;
    padding: var(--spacing-xxl) 0;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .trust-indicators {
    justify-content: center;
    gap: var(--spacing-md);
  }
  
  .trust-item {
    min-width: 100px;
  }
  
  /* Problems vs Solutions */
  .comparison-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .service-card.featured {
    transform: none;
  }
  
  .service-card.featured:hover {
    transform: translateY(-8px);
  }
  
  .service-actions {
    flex-direction: row;
    gap: var(--spacing-sm);
  }
  
  .service-actions .btn {
    flex: 1;
    padding: 12px 16px;
    font-size: 0.875rem;
  }
  
  /* Differentials */
  .differentials-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .differential-item {
    padding: var(--spacing-lg);
    min-height: auto;
  }
  
  .differential-item h3 {
    font-size: 1.25rem;
  }
  
  .differential-item .highlight-text {
    font-size: 1.125rem;
  }
  
  /* Process */
  .process-timeline::before {
    left: 30px;
  }
  
  .process-step {
    flex-direction: row;
    margin-bottom: var(--spacing-lg);
  }
  
  .process-step:nth-child(even) {
    flex-direction: row;
  }
  
  .process-step:nth-child(even) .step-content {
    text-align: left;
  }
  
  .step-number {
    left: 30px;
    transform: none;
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .step-content {
    max-width: none;
    margin-left: 90px !important;
    margin-right: 0 !important;
  }
  
  .step-icon {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    left: auto !important;
    width: 35px;
    height: 35px;
  }
  
  /* Numbers */
  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .number-value {
    font-size: 3rem;
  }
  
  .number-suffix {
    font-size: 1.5rem;
  }
  
  /* Testimonials */
  .testimonial-author {
    flex-direction: column;
    text-align: center;
  }
  
  .author-info {
    text-align: center;
  }
  
  /* CTA Final */
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-actions .btn {
    width: 100%;
    max-width: 300px;
  }
  
  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }
  
  .footer-brand {
    max-width: none;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  /* Floating Elements */
  .whatsapp-float {
    bottom: 100px;
    left: 20px;
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

/* Mobile Styles (480px and down) */
@media (max-width: 480px) {
  /* Typography */
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
  }
  
  /* Spacing */
  .hero {
    padding: var(--spacing-lg) 0;
  }
  
  .problems-solutions,
  .services,
  .differentials,
  .process,
  .numbers,
  .testimonials,
  .faq,
  .cta-final,
  .contact {
    padding: var(--spacing-lg) 0;
  }
  
  /* Hero */
  .hero-title {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .benefit-item {
    font-size: 1rem;
  }
  
  .trust-indicators {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
  }
  
  /* Services */
  .service-card {
    padding: var(--spacing-lg);
  }
  
  .service-actions {
    flex-direction: column;
  }
  
  .service-actions .btn {
    width: 100%;
  }
  
  /* Differentials */
  .differential-item {
    padding: var(--spacing-lg);
  }
  
  /* Process */
  .step-content {
    padding: var(--spacing-lg);
  }
  
  .step-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .step-icon {
    width: 30px;
    height: 30px;
  }
  
  /* Numbers */
  .numbers-grid {
    grid-template-columns: 1fr;
  }
  
  .number-item {
    padding: var(--spacing-lg);
  }
  
  .number-value {
    font-size: 2.5rem;
  }
  
  /* Testimonials */
  .testimonial-item {
    padding: var(--spacing-lg);
    margin: 0;
  }
  
  .testimonial-text {
    font-size: 1.125rem;
  }
  
  /* FAQ */
  .faq-question {
    padding: var(--spacing-md);
  }
  
  .faq-answer {
    padding: 0 var(--spacing-md);
  }
  
  .faq-item.active .faq-answer {
    padding-bottom: var(--spacing-md);
  }
  
  /* Contact */
  .contact-item {
    padding: var(--spacing-md);
  }
  
  .contact-form {
    padding: var(--spacing-lg);
  }
  
  .contact-icon {
    width: 50px;
    height: 50px;
  }
  
  .contact-icon i {
    font-size: 1.25rem;
  }
  
  /* Buttons */
  .btn-large {
    padding: 14px 24px;
    font-size: 1rem;
  }
  
  /* Form */
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 10px 14px;
    font-size: 0.875rem;
  }
}

/* Large Mobile Styles (375px and down) */
@media (max-width: 375px) {
  /* Container */
  .container {
    padding: 0 var(--spacing-xs);
  }
  
  /* Typography */
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  /* Hero */
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-actions .btn {
    padding: 12px 20px;
    font-size: 0.875rem;
  }
  
  /* Services */
  .service-card {
    padding: var(--spacing-md);
  }
  
  .service-icon {
    width: 60px;
    height: 60px;
  }
  
  .service-icon i {
    font-size: 1.5rem;
  }
  
  /* Differentials */
  .differential-icon {
    width: 60px;
    height: 60px;
  }
  
  .differential-icon i {
    font-size: 1.5rem;
  }
  
  /* Numbers */
  .number-value {
    font-size: 2rem;
  }
  
  .number-suffix {
    font-size: 1.25rem;
  }
  
  /* Contact */
  .contact-item {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }
  
  /* Floating Elements */
  .whatsapp-float {
    width: 45px;
    height: 45px;
    font-size: 1.125rem;
  }
  
  .back-to-top {
    width: 40px;
    height: 40px;
  }
}

/* Landscape Mobile Styles */
@media (max-width: 812px) and (orientation: landscape) {
  .hero {
    min-height: 100vh;
  }
  
  .hero-content {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .trust-indicators {
    flex-direction: row;
    justify-content: center;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero-pattern {
    background-size: 30px 30px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .whatsapp-float {
    animation: none;
  }
  
  [data-aos] {
    transition: none;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  /* Note: Mantendo o tema atual por ser uma escolha específica da marca */
  /* Pode ser implementado futuramente se necessário */
}

/* Print Styles */
@media print {
  .header,
  .whatsapp-float,
  .back-to-top,
  .slider-controls,
  .nav-toggle {
    display: none !important;
  }
  
  .hero {
    background: var(--color-white) !important;
    color: var(--color-text) !important;
    min-height: auto;
  }
  
  .hero-title {
    color: var(--color-primary) !important;
  }
  
  .section-title {
    color: var(--color-primary) !important;
  }
  
  * {
    box-shadow: none !important;
  }
  
  .service-card,
  .differential-item,
  .testimonial-item,
  .contact-item,
  .faq-item {
    break-inside: avoid;
  }
}

/* Loading State */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.loading * {
  cursor: wait !important;
}

/* Accessibility Improvements */
@media (max-width: 768px) {
  /* Increase touch targets */
  .btn {
    min-height: 44px;
    padding: 12px 20px;
  }
  
  .nav-link {
    padding: var(--spacing-sm) 0;
  }
  
  .faq-question {
    min-height: 60px;
  }
  
  .social-link {
    width: 44px;
    height: 44px;
  }
  
  /* Improve form usability */
  .form-group input,
  .form-group select,
  .form-group textarea {
    min-height: 44px;
  }
  
  /* Better spacing for readability */
  .testimonial-text {
    line-height: 1.7;
  }
  
  .service-features li {
    padding: var(--spacing-xs) 0;
  }
}

/* Focus States for Accessibility */
@media (max-width: 768px) {
  .btn:focus,
  .nav-link:focus,
  input:focus,
  select:focus,
  textarea:focus,
  .faq-question:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
  }
  
  .social-link:focus,
  .slider-btn:focus {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
  }
}

/* Animation Delays for Mobile */
@media (max-width: 768px) {
  [data-aos-delay] {
    transition-delay: 0s !important;
  }
}

/* Utilities for Mobile */
@media (max-width: 768px) {
  .mobile-hidden {
    display: none !important;
  }
  
  .mobile-visible {
    display: block !important;
  }
  
  .mobile-center {
    text-align: center !important;
  }
  
  .mobile-full-width {
    width: 100% !important;
  }
}

/* Safari iOS Specific Fixes */
@supports (-webkit-touch-callout: none) {
  .hero {
    min-height: -webkit-fill-available;
  }
  
  input[type="submit"],
  button {
    -webkit-appearance: none;
    border-radius: var(--radius-medium);
  }
}