/* Mobile-First Responsive Enhancements - GraymatterLab */

/* Touch-friendly interactions */
@media (max-width: 768px) {
  /* Ensure all interactive elements meet 44px minimum */
  .gms-button,
  .nav__link,
  .form-input,
  .form-select,
  .form-textarea,
  button {
    min-height: var(--gms-touch-target-min);
    min-width: var(--gms-touch-target-min);
  }
  
  /* Improved tap targets for mobile navigation */
  .nav__link {
    padding: var(--gms-space-4);
    margin: var(--gms-space-1) 0;
    display: block;
    text-align: center;
  }
  
  /* Better mobile form experience */
  .form-input,
  .form-select,
  .form-textarea {
    padding: var(--gms-space-4);
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  /* Mobile-optimized hero section */
  .hero__content {
    padding: var(--gms-space-12) 0;
  }
  
  .hero__title {
    font-size: clamp(32px, 8vw, 48px);
    line-height: 1.1;
  }
  
  .hero__actions {
    flex-direction: column;
    gap: var(--gms-space-3);
  }
  
  .hero__actions .gms-button {
    width: 100%;
    max-width: 320px;
  }
  
  /* Improved mobile spacing */
  .section {
    padding: var(--gms-space-8) 0;
  }
  
  .section--lg {
    padding: var(--gms-space-12) 0;
  }
  
  .container {
    padding: 0 var(--gms-space-3);
  }
  
  /* Mobile-friendly cards */
  .feature-card,
  .product-card,
  .gms-card {
    padding: var(--gms-space-6);
  }
  
  /* Better mobile navigation */
  .header__content {
    padding: 0 var(--gms-space-3);
  }
  
  .nav--open {
    max-height: 100vh;
    overflow-y: auto;
  }
  
  /* Mobile footer improvements */
  .footer__content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gms-space-6);
  }
  
  .footer__section:nth-child(3),
  .footer__section:nth-child(4) {
    grid-column: span 1;
  }
}

/* Small mobile devices */
@media (max-width: 480px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
    gap: var(--gms-space-4);
  }
  
  .footer__content {
    grid-template-columns: 1fr;
  }
  
  /* Smaller spacing for tiny screens */
  .section {
    padding: var(--gms-space-6) 0;
  }
  
  .hero__content {
    padding: var(--gms-space-8) 0;
  }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .product-cards {
    grid-template-columns: 1fr;
  }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Ensure crisp text rendering on retina displays */
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* Print styles */
@media print {
  .header,
  .nav,
  .footer,
  .gms-button {
    display: none !important;
  }
  
  .main {
    margin-top: 0;
  }
  
  body {
    color: black !important;
    background: white !important;
  }
  
  .section {
    break-inside: avoid;
  }
}

/* Accessibility improvements for 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;
  }
  
  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Dark mode improvements for mobile */
@media (max-width: 768px) {
  [data-theme='dark'] .header {
    background: rgba(30, 30, 30, 0.95);
  }
  
  [data-theme='dark'] .nav {
    background: var(--gms-matte-black);
    border-color: var(--gms-gunmetal-gray);
  }
}

/* Focus improvements for keyboard navigation */
.skip-to-main:focus {
  position: absolute;
  top: var(--gms-space-2);
  left: var(--gms-space-2);
  z-index: 9999;
  padding: var(--gms-space-2) var(--gms-space-3);
  background: var(--gms-bright-blue);
  color: white;
  text-decoration: none;
  border-radius: var(--gms-radius-md);
}

/* Improved focus styles */
.gms-button:focus-visible,
.nav__link:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
  outline: 2px solid var(--gms-bright-blue);
  outline-offset: 2px;
  box-shadow: 0 0 0 2px rgba(0, 170, 231, 0.2);
}

/* Better error states for mobile */
@media (max-width: 768px) {
  .form-error {
    font-size: var(--gms-body-sm);
    margin-top: var(--gms-space-2);
  }
  
  .form-message {
    padding: var(--gms-space-4);
    margin-bottom: var(--gms-space-6);
  }
}