/* Responsive Design */

/* Extra Large devices (1400px and up) */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
  
  .hero-image {
    width: 400px;
    height: 400px;
  }
  
  .display-2 {
    font-size: 3.5rem;
  }
}

/* Large devices (992px and up) */
@media (min-width: 992px) {
  .hero-content {
    padding-right: 2rem;
  }
  
  .about-content {
    padding-right: 2rem;
  }
  
  .contact-info {
    padding-right: 2rem;
  }
}

/* Medium devices (768px and up) */
@media (min-width: 768px) {
  .skill-filters {
    flex-direction: row;
  }
  
  .social-links {
    justify-content: flex-start;
  }
  
  .stat-card {
    padding: 2rem 1.5rem;
  }
}

/* Small devices (576px and up) */
@media (min-width: 576px) {
  .hero-image {
    width: 300px;
    height: 300px;
  }
  
  .contact-form-container {
    padding: 2rem;
  }
}

/* Extra small devices (less than 576px) */
@media (max-width: 575.98px) {
  .hero-image {
    width: 250px;
    height: 250px;
  }
  
  .floating-1,
  .floating-2 {
    display: none;
  }
  
  .skill-filters {
    flex-direction: column;
    align-items: center;
  }
  
  .skill-filter {
    width: 100%;
    max-width: 200px;
    margin-bottom: 0.5rem;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .display-2 {
    font-size: 2.5rem;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .stat-card {
    padding: 1.5rem 1rem;
  }
  
  .contact-form-container {
    padding: 1.5rem;
  }
  
  .contact-icon {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }
  
  .hero-content {
    text-align: center;
  }
  
  .about-image-border {
    display: none;
  }
  
  .project-card {
    margin-bottom: 1rem;
  }
  
  .navbar-brand {
    font-size: 1.2rem;
  }
  
  .back-to-top {
    width: 45px;
    height: 45px;
    bottom: 1rem;
    right: 1rem;
  }
  
  .notification {
    min-width: 280px;
    right: 10px;
    left: 10px;
  }
}

/* Landscape orientation on mobile */
@media (max-width: 767.98px) and (orientation: landscape) {
  .hero-section {
    min-height: 100vh;
  }
  
  .hero-image {
    width: 200px;
    height: 200px;
  }
  
  .display-2 {
    font-size: 2rem;
  }
  
  .fs-2 {
    font-size: 1.5rem !important;
  }
}

/* Print styles */
@media print {
  .navbar,
  .back-to-top,
  .scroll-indicator,
  .floating-element {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .text-white,
  .text-light,
  .text-light-emphasis {
    color: black !important;
  }
  
  .bg-dark,
  .bg-dark-secondary {
    background: white !important;
  }
  
  .card,
  .skill-card,
  .project-card,
  .stat-card {
    border: 1px solid #ccc !important;
    background: white !important;
  }
  
  a {
    color: black !important;
    text-decoration: underline !important;
  }
  
  .gradient-text {
    color: black !important;
    -webkit-text-fill-color: black !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #ffff00;
    --secondary-color: #ff6600;
    --text-light: #ffffff;
    --text-muted: #cccccc;
  }
  
  .skill-card,
  .project-card,
  .stat-card,
  .contact-form-container {
    border: 2px solid var(--primary-color);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .floating-element {
    animation: none;
  }
  
  .cursor {
    animation: none;
  }
  
  .scroll-indicator {
    animation: none;
  }
}

/* Dark mode preference */
@media (prefers-color-scheme: light) {
  /* Keep dark theme as default for this portfolio */
}

/* Focus styles for accessibility */
@media (any-hover: hover) {
  .btn:hover,
  .nav-link:hover,
  .social-link:hover {
    transform: translateY(-2px);
  }
}

/* Touch device optimizations */
@media (any-hover: none) {
  .hover-card:hover {
    transform: none;
  }
  
  .project-card:hover .project-overlay {
    opacity: 0;
  }
  
  .social-link:hover {
    transform: none;
  }
}

/* Chừa khoảng trống cho header cố định trên mobile */
@media (max-width: 575.98px) {
  body {
    padding-top: 56px; /* hoặc đúng chiều cao thực tế của .custom-navbar */
  }
}