/* BinMaster Premium - Responsive Design */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  /* Reduce blur for performance */
  .glass-card {
    backdrop-filter: blur(15px) saturate(150%);
  }
  
  .navbar {
    backdrop-filter: blur(20px) saturate(160%);
  }
  
  /* Grid Adjustments */
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Typography */
  .hero-title {
    font-size: 3.5rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  /* Spacing */
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .hero {
    min-height: 500px;
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .hero-glass {
    padding: var(--spacing-2xl) var(--spacing-xl);
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
  /* Performance optimizations */
  .glass-card {
    backdrop-filter: blur(10px) saturate(150%);
    background: rgba(255, 255, 255, 0.5);
  }
  
  .glass-card-strong {
    backdrop-filter: blur(15px) saturate(150%);
    background: rgba(255, 255, 255, 0.6);
  }
  
  .navbar {
    backdrop-filter: blur(15px) saturate(150%);
  }
  
  /* Typography */
  .hero-title {
    font-size: 2.5rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .text-body-large {
    font-size: 1.25rem;
  }
  
  body {
    font-size: 1rem;
  }
  
  /* Layout */
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  /* Navigation */
  .navbar-content {
    height: 72px;
  }
  
  .navbar-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--glass-white-40);
    backdrop-filter: blur(20px) saturate(150%);
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    transform: translateX(-100%);
    transition: transform 300ms cubic-bezier(0.4, 0.0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  }
  
  .navbar-nav.open {
    transform: translateX(0);
  }
  
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--glass-white-15);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border-20);
    border-radius: var(--radius-sm);
    cursor: pointer;
  }
  
  .hamburger {
    width: 24px;
    height: 2px;
    background: var(--neutral-900);
    position: relative;
    transition: background 300ms ease-out;
  }
  
  .hamburger::before,
  .hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--neutral-900);
    transition: transform 300ms cubic-bezier(0.4, 0.0, 0.2, 1);
  }
  
  .hamburger::before {
    top: -7px;
  }
  
  .hamburger::after {
    bottom: -7px;
  }
  
  .mobile-menu-toggle.open .hamburger {
    background: transparent;
  }
  
  .mobile-menu-toggle.open .hamburger::before {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-toggle.open .hamburger::after {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  /* Spacing */
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .hero {
    min-height: 450px;
    padding: var(--spacing-xl) var(--spacing-sm);
  }
  
  .hero-glass {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
  
  .tool-card,
  .glass-card {
    padding: var(--spacing-lg);
  }
  
  /* Buttons */
  .btn {
    width: 100%;
    padding: 1rem 1.5rem;
  }
  
  .btn-large {
    height: 56px;
    font-size: 1.125rem;
  }
  
  /* Forms */
  .form-input,
  .form-select {
    height: 52px;
    font-size: 1rem;
  }
  
  /* Footer */
  .footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  /* Tool Cards - Full Width with Margin */
  .tool-card {
    margin: 0 var(--spacing-sm);
  }
  
  /* Container Adjustments */
  .container,
  .container-content,
  .container-article,
  .container-tool {
    padding: 0 var(--spacing-sm);
  }
  
  /* Touch Targets - Minimum 48x48px */
  .btn-icon {
    width: 52px;
    height: 52px;
  }
  
  .navbar-link {
    padding: var(--spacing-sm) 0;
    display: block;
  }
  
  /* Reduce nested glass complexity */
  .result-display {
    backdrop-filter: blur(5px);
  }
  
  /* FAQ Accordion */
  .accordion-item {
    padding: var(--spacing-md);
  }
  
  /* Hide certain decorative elements on mobile */
  .hide-mobile {
    display: none !important;
  }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .hero {
    min-height: 400px;
    padding: var(--spacing-lg) var(--spacing-xs);
  }
  
  .hero-glass {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .navbar-logo {
    font-size: 1.25rem;
  }
  
  .tool-card,
  .glass-card {
    padding: var(--spacing-md);
  }
  
  .container,
  .container-content,
  .container-article,
  .container-tool {
    padding: 0 var(--spacing-xs);
  }
}

/* Large Desktop (> 1536px) */
@media (min-width: 1536px) {
  /* Enhanced blur effects for powerful devices */
  .glass-card {
    backdrop-filter: blur(25px) saturate(160%);
  }
  
  .glass-card-strong {
    backdrop-filter: blur(45px) saturate(150%);
  }
  
  .navbar {
    backdrop-filter: blur(30px) saturate(200%);
  }
}

/* Print Styles */
@media print {
  .navbar,
  .footer,
  .btn,
  .mobile-menu-toggle {
    display: none !important;
  }
  
  .glass-card,
  .tool-card {
    background: white !important;
    backdrop-filter: none !important;
    border: 1px solid #ddd !important;
    box-shadow: none !important;
  }
  
  body {
    background: white !important;
  }
  
  * {
    color: black !important;
  }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
  .hero {
    min-height: 350px;
  }
  
  .navbar-nav {
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Optimize for retina displays */
  .tool-icon,
  svg {
    shape-rendering: geometricPrecision;
  }
}

/* Dark Mode Support (Future Enhancement) */
@media (prefers-color-scheme: dark) {
  /* Can be implemented later if needed */
}