/* Responsive CSS for Khaled Elnezily Portfolio */

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
  
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large devices (desktops, 992px to 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
  .container {
    max-width: 960px;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Medium devices (tablets, 768px to 991px) */
@media (min-width: 768px) and (max-width: 991px) {
  .container {
    max-width: 720px;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.3rem;
  }
  
  .about-content {
    flex-direction: column;
    gap: 3rem;
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-content {
    flex-direction: column;
    gap: 3rem;
  }
  
  .project-slide {
    height: 500px;
  }
}

/* Small devices (landscape phones, 576px to 767px) */
@media (min-width: 576px) and (max-width: 767px) {
  .container {
    max-width: 540px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .about-content {
    flex-direction: column;
    gap: 2rem;
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .contact-content {
    flex-direction: column;
    gap: 2rem;
  }
  
  .timeline::after {
    left: 31px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }
  
  .timeline-item.right {
    left: 0;
  }
  
  .timeline-item.left::after,
  .timeline-item.right::after {
    left: 21px;
  }
  
  .project-slide {
    height: 400px;
  }
  
  .project-header-title {
    font-size: 2.5rem;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--white);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right var(--transition-medium);
    z-index: 1001;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-links li {
    margin: 1.5rem 0;
  }
  
  .hamburger {
    display: block;
    z-index: 1002;
  }
  
  .overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    z-index: 1000;
  }
  
  .overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

/* Extra small devices (portrait phones, less than 576px) */
@media (max-width: 575px) {
  .container {
    width: 100%;
    padding: 0 1.5rem;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .about-content {
    flex-direction: column;
    gap: 2rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .project-card {
    height: 250px;
  }
  
  .contact-content {
    flex-direction: column;
    gap: 2rem;
  }
  
  .timeline::after {
    left: 31px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }
  
  .timeline-item.right {
    left: 0;
  }
  
  .timeline-item.left::after,
  .timeline-item.right::after {
    left: 21px;
  }
  
  .project-slide {
    height: 300px;
  }
  
  .project-header {
    height: 40vh;
  }
  
  .project-header-title {
    font-size: 2rem;
  }
  
  .project-header-location {
    font-size: 1rem;
  }
  
  .project-navigation {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .nav-project.next {
    align-self: flex-end;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--white);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right var(--transition-medium);
    z-index: 1001;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-links li {
    margin: 1.5rem 0;
  }
  
  .hamburger {
    display: block;
    z-index: 1002;
  }
  
  .overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    z-index: 1000;
  }
  
  .overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.8rem;
  }
  
  .footer-links {
    flex-direction: column;
  }
  
  .footer-links li {
    margin: 0.5rem 0;
  }
}

/* Touch device optimizations */
@media (hover: none) {
  .project-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent 70%);
  }
  
  .nav-links a::after {
    display: none;
  }
  
  .btn:hover {
    transform: none;
    box-shadow: none;
  }
  
  .social-link:hover {
    transform: none;
  }
  
  .project-card:hover {
    transform: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }
  
  .project-card:hover .project-image {
    transform: none;
  }
  
  .nav-project:hover {
    transform: none;
  }
}

/* Print styles */
@media print {
  .header, .footer, .back-to-top, .project-navigation, .related-projects {
    display: none;
  }
  
  .container {
    width: 100%;
    max-width: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
    background: #fff;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
  
  .project-slide {
    height: auto;
    page-break-inside: avoid;
  }
  
  .project-header {
    height: auto;
  }
  
  .project-header-content {
    color: #000;
  }
  
  .project-header-bg {
    filter: none;
  }
}