/* Responsive Design */

/* Tablet and below (< 1024px) */
@media (max-width: 1023px) {
  :root {
    --font-size-7xl: 3.5rem;   /* 56px */
    --font-size-6xl: 3rem;     /* 48px */
    --font-size-5xl: 2.5rem;   /* 40px */
  }

  .hero-title {
    font-size: var(--font-size-6xl);
  }

  .section-title {
    font-size: var(--font-size-4xl);
  }

  .navbar-menu {
    gap: var(--spacing-lg);
  }

  .grid-cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-cols-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Mobile and below (< 768px) */
@media (max-width: 767px) {
  :root {
    --font-size-7xl: 2.5rem;   /* 40px */
    --font-size-6xl: 2rem;     /* 32px */
    --font-size-5xl: 1.875rem; /* 30px */
    --spacing-5xl: 4rem;       /* 64px */
    --spacing-4xl: 3rem;       /* 48px */
  }

  /* Navigation */
  .navbar-toggle {
    display: flex;
  }

  .navbar-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--spacing-xl);
    background: var(--color-white);
    box-shadow: var(--shadow-xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }

  .navbar-menu.active {
    transform: translateX(0);
  }

  .navbar-link {
    width: 100%;
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--color-gray-200);
  }

  .navbar-link::after {
    display: none;
  }

  .navbar-cta {
    width: 100%;
    margin-top: var(--spacing-lg);
  }

  .navbar-cta .btn {
    width: 100%;
  }

  /* Hero */
  .hero {
    min-height: 100svh;
    padding-top: 100px;
  }

  .hero-title {
    font-size: var(--font-size-5xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
  }

  /* Grid */
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  /* Section */
  .section {
    padding: var(--spacing-4xl) 0;
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .section-subtitle {
    font-size: var(--font-size-base);
  }

  /* Card */
  .card {
    padding: var(--spacing-xl);
  }

  /* Footer */
  .footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .footer-social {
    justify-content: center;
  }
}

/* Small mobile (< 480px) */
@media (max-width: 479px) {
  :root {
    --container-padding: var(--spacing-lg);
    --font-size-7xl: 2rem;     /* 32px */
    --font-size-6xl: 1.75rem;  /* 28px */
    --font-size-5xl: 1.5rem;   /* 24px */
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }

  .btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
  }

  .card {
    padding: var(--spacing-lg);
  }
}

/* Large desktop (> 1536px) */
@media (min-width: 1536px) {
  :root {
    --container-max-width: 1536px;
  }
}

/* Landscape mobile */
@media (max-height: 600px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: var(--spacing-5xl) 0;
  }

  .section {
    padding: var(--spacing-3xl) 0;
  }
}

/* Utilities for hiding/showing on different screens */
.hidden-mobile {
  display: block;
}

.hidden-desktop {
  display: none;
}

@media (max-width: 767px) {
  .hidden-mobile {
    display: none;
  }

  .hidden-desktop {
    display: block;
  }
}

/* ============================================
   MOBILE TOUCH TARGETS (Apple HIG - 44x44px minimum)
   ============================================ */
@media (max-width: 768px) {
  /* Ensure minimum touch target size */
  button,
  a,
  input[type="submit"],
  input[type="button"],
  .btn,
  .nav-menu a,
  .mobile-menu-toggle {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Form inputs touch friendly */
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="password"],
  input[type="number"],
  textarea,
  select {
    min-height: 44px;
    padding: 12px 16px;
    font-size: 16px; /* Prevents iOS zoom on focus */
  }
  
  /* Links in content areas */
  .nav-menu a {
    padding: 12px 20px;
    display: flex;
    align-items: center;
  }
  
  /* Icon buttons */
  .btn-icon,
  [aria-label]:not(section):not(nav):not(main) {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Social links */
  .social-link,
  .footer-social a {
    min-height: 44px;
    min-width: 44px;
    padding: 10px;
  }
}

/* Print styles */
@media print {
  .navbar,
  .footer,
  .btn {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  .section {
    page-break-inside: avoid;
  }
}

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

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
  /* Add dark mode styles here if needed */
}

/* ========================================
   ABOUT SECTION - RESPONSIVE
   ======================================== */
/* Tablet and below */
@media (max-width: 1023px) {
  .about-section {
    padding: 80px 0;
  }

  .social-proof {
    gap: var(--spacing-lg);
  }

  .values-grid {
    grid-template-columns: repeat(2, minmax(250px, 1fr));
    gap: var(--spacing-lg);
  }
}

/* Mobile and below */
@media (max-width: 767px) {
  .about-section {
    padding: 60px 0;
  }

  .about-header {
    margin-bottom: var(--spacing-2xl);
  }

  .about-header h2 {
    font-size: var(--text-2xl);
  }

  .about-header .lead {
    font-size: var(--text-base);
  }

  .social-proof {
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
  }

  .social-proof-card {
    padding: var(--spacing-lg);
    min-width: 120px;
  }

  .social-proof-icon {
    font-size: 1.5rem;
  }

  .social-proof-number {
    font-size: var(--text-xl);
  }

  .social-proof-label {
    font-size: var(--text-xs);
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .value-card {
    padding: var(--spacing-xl);
  }

  .value-icon {
    font-size: 2.5rem;
  }

  .value-title {
    font-size: var(--text-base);
  }

  .value-description {
    font-size: var(--text-sm);
  }
}

/* ========================================
   PRODUCTS SECTION - RESPONSIVE
   ======================================== */
/* Tablet and below */
@media (max-width: 1023px) {
  .produtos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .produto-card:nth-child(1) {
    grid-column: span 2;
    grid-row: span 1;
  }

  .produto-card:nth-child(2) {
    grid-column: span 1;
  }

  .produto-card:nth-child(3) {
    grid-column: span 1;
  }

  .produto-card img {
    height: 160px;
  }

  .produto-actions {
    flex-direction: column;
  }
}

/* Mobile and below */
@media (max-width: 767px) {
  .produtos-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .produto-card:nth-child(1) {
    grid-column: span 1;
    grid-row: span 1;
  }

  .produto-card:nth-child(2) {
    grid-column: span 1;
  }

  .produto-card:nth-child(3) {
    grid-column: span 1;
  }

  .produto-card {
    padding: var(--spacing-lg);
  }

  .produto-card img {
    height: 140px;
  }

  .produto-card h3 {
    font-size: var(--text-lg);
  }

  .produto-tagline {
    font-size: var(--text-xs);
  }

  .produto-stats li {
    font-size: var(--text-xs);
  }

  .produto-tags span {
    font-size: 0.625rem;
  }

  .produto-actions .btn-primary,
  .produto-actions .btn-link {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--text-sm);
  }

  .produto-footer {
    font-size: 0.625rem;
  }

  /* Coming Soon Badge Mobile */
  .produto-card.coming-soon::before {
    top: 15px;
    right: -35px;
    padding: 6px 40px;
    font-size: 0.625rem;
  }
}

/* ========================================
   CONTACT SECTION - RESPONSIVE
   ======================================== */
/* Tablet and below */
@media (max-width: 1023px) {
  .contato-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .contato-calendly {
    order: -1; /* Calendly first on mobile for conversion */
  }

  .channel-card {
    padding: var(--spacing-sm);
  }

  .channel-card .icon {
    font-size: 1.4rem;
  }

  .channel-card h4 {
    font-size: var(--text-base);
  }

  .calendly-inline-widget {
    height: 550px;
  }
}

/* Mobile and below */
@media (max-width: 767px) {
  .contato-layout {
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
  }

  .channels-title,
  .calendly-title {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-md);
  }

  .contato-channels {
    gap: var(--spacing-md);
  }

  .channel-card {
    padding: var(--spacing-xs);
    border-radius: 12px;
  }

  .channel-card .icon {
    font-size: 1.25rem;
    margin-bottom: 0;
  }

  .channel-card h4 {
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-xs);
  }

  .channel-card p {
    font-size: var(--text-xs);
  }

  .calendly-wrapper {
    border-radius: 16px;
  }

  .calendly-inline-widget {
    height: 500px;
    min-width: 280px;
  }

  .placeholder-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
  }

  .placeholder-title {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-sm);
  }

  .placeholder-text {
    font-size: var(--text-xs);
  }
}

/* Large Mobile - Contact Channels in 2x2 Grid */
@media (max-width: 600px) and (min-width: 480px) {
  .contato-channels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
  }

  .channels-title {
    grid-column: 1 / -1;
    text-align: center;
  }
}

/* ========================================
   NEWSLETTER SECTION - RESPONSIVE
   ======================================== */
/* Tablet and below */
@media (max-width: 1023px) {
  .newsletter-cta {
    padding: var(--spacing-3xl) 0;
  }

  .newsletter-content h3 {
    font-size: var(--text-xl);
  }

  .newsletter-content p {
    font-size: var(--text-base);
  }

  .newsletter-form {
    gap: var(--spacing-sm);
  }

  .newsletter-form input[type="email"] {
    min-width: 250px;
  }

  .newsletter-form .btn-primary {
    min-width: 140px;
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

/* Mobile and below */
@media (max-width: 767px) {
  .newsletter-cta {
    padding: var(--spacing-2xl) 0;
  }

  .newsletter-content {
    padding: 0 var(--spacing-md);
  }

  .newsletter-content h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-sm);
  }

  .newsletter-content p {
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-lg);
  }

  .newsletter-form {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
  }

  .newsletter-form input[type="email"] {
    width: 100%;
    min-width: 0;
    max-width: none;
  }

  .newsletter-form .btn-primary {
    width: 100%;
    max-width: 300px;
  }

  .disclaimer {
    font-size: var(--text-xs);
    padding: 0 var(--spacing-md);
  }

  .form-message {
    margin-left: var(--spacing-md);
    margin-right: var(--spacing-md);
  }
}

/* ========================================
   FOOTER - RESPONSIVE
   ======================================== */
/* Tablet and below */
@media (max-width: 1023px) {
  .site-footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
  }

  .footer-grid {
    flex-direction: column;
    gap: var(--spacing-2xl);
  }

  .footer-col:first-child {
    grid-column: 1 / -1;
    text-align: left;
    align-items: flex-start;
  }

  .footer-col:first-child .social-links {
    justify-content: flex-start;
  }
}

/* Mobile and below */
@media (max-width: 767px) {
  .site-footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
  }

  .footer-col h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-md);
  }

  .footer-col h5 {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-col p {
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-md);
  }

  .footer-col ul li a {
    font-size: var(--text-xs);
    padding: var(--spacing-xs) 0;
  }

  .social-links {
    margin-top: var(--spacing-md);
    justify-content: flex-start;
  }

  .social-links a {
    font-size: 1.25rem;
  }

  .footer-bottom {
    padding-top: var(--spacing-md);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    text-align: center;
  }

  .footer-bottom p {
    font-size: var(--text-xs);
  }
}

/* ============================================
   PERFORMANCE: Mobile-only CSS animations
   ============================================ */
.mobile-animations .fade-in-up {
  opacity: 1;
  transform: none;
  transition: none;
}

.mobile-animations .card-animated {
  transform: none;
}

/* Simplified animations for mobile */
.mobile-animations .fade-in-up {
  animation: mobileReveal 0.5s ease-out forwards;
}

@keyframes mobileReveal {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   PERFORMANCE: Slow connection optimizations
   ============================================ */
.slow-connection video,
.slow-connection .hero-video,
.slow-connection iframe:not([data-essential]) {
  display: none !important;
}

/* Keep Calendly visible even on slow connection */
.slow-connection .calendly-inline-widget iframe {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

.slow-connection .hero-mesh {
  display: block !important;
  opacity: 1 !important;
}

/* Hide decorative images on slow connections */
.slow-connection img[data-decorative="true"] {
  display: none;
}

/* Reduce image quality indicator */
.slow-connection .card-image img {
  filter: grayscale(20%);
}

/* ============================================
   PERFORMANCE: Reduce motion preference
   ============================================ */
.reduce-motion *,
.reduce-motion *::before,
.reduce-motion *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

/* ============================================
   PERFORMANCE: Image loading states
   ============================================ */
img {
  background-color: var(--bg-tertiary, #1f1f2e);
  transition: opacity 0.3s ease;
}

img.loading {
  opacity: 0.5;
}

img.loaded {
  opacity: 1;
}

img.img-error {
  opacity: 0.3;
  filter: grayscale(100%);
}

/* Placeholder shimmer effect */
img[loading="lazy"]:not(.loaded) {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary, #1f1f2e) 0%,
    var(--bg-secondary, #14141f) 50%,
    var(--bg-tertiary, #1f1f2e) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Disable shimmer for reduced motion */
@media (prefers-reduced-motion: reduce) {
  img[loading="lazy"]:not(.loaded) {
    animation: none;
    background: var(--bg-tertiary, #1f1f2e);
  }
}