@media (max-width: 1200px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero-content {
    gap: var(--space-3xl);
  }
}

@media (max-width: 968px) {
  .hamburger {
    display: flex;
    z-index: calc(var(--z-modal) + 1);
  }
  
  body.menu-open {
    overflow: hidden;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 300px;
    height: 100vh;
    background: var(--card-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: right var(--transition);
    z-index: var(--z-modal);
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    margin: var(--space-lg) 0;
  }
  
  .nav-link {
    font-size: 1.125rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }
  
  .hero-text {
    order: 2;
  }
  
  .hero-image {
    order: 1;
  }
  
  .hero-social {
    justify-content: center;
  }
  
  .hero-photo {
    width: 250px;
    height: 250px;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .experience-timeline::before {
    left: 20px;
  }
  
  .experience-item::before {
    left: -26px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 60px;
    min-height: auto;
    padding-bottom: var(--space-4xl);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  
  .section-padding {
    padding: var(--space-3xl) 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }
  
  .footer-social {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .service-card {
    padding: var(--space-lg);
  }
  
  .experience-meta {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .timeline::before {
    left: 30px;
    transform: none;
  }
  
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 70px;
    margin-right: 0;
    text-align: left;
  }
  
  .timeline-icon {
    left: 30px;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
  }
  
  .timeline-icon i {
    font-size: 1rem;
  }
  
  .timeline-content {
    padding: var(--space-lg);
  }
  
  .timeline-skills {
    gap: var(--space-xs);
  }
  
  .timeline-skills span {
    font-size: 0.6875rem;
    padding: 0.1875rem 0.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .nav-menu {
    width: 100%;
    max-width: 100vw;
    right: -100%;
  }
  
  .nav-menu.active {
    right: 0;
  }

  .hero-name {
    font-size: 2.25rem;
  }
  
  .hero-title {
    font-size: 1.25rem;
  }
  
  .hero-photo {
    width: 200px;
    height: 200px;
  }
  
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }
  
  .navbar {
    padding: 0.75rem 0;
  }
  
  .logo {
    font-size: 1.25rem;
  }
  
  .nav-extras {
    gap: var(--space-sm);
  }
  
  .theme-toggle {
    width: 35px;
    height: 35px;
  }
  
  .section-header {
    margin-bottom: var(--space-2xl);
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .section-description {
    font-size: 1rem;
  }
  
  .hero-buttons {
    gap: var(--space-md);
  }
  
  .hero-social {
    gap: var(--space-sm);
  }
  
  .social-link {
    width: 45px;
    height: 45px;
    font-size: 1.125rem;
  }
  
  .about-stats {
    gap: var(--space-md);
  }
  
  .stat-item {
    padding: var(--space-md);
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .skills-grid {
    gap: var(--space-md);
  }
  
  .skill-item {
    padding: var(--space-md);
    gap: var(--space-sm);
  }
  
  .skill-icon {
    width: 40px;
    height: 40px;
    font-size: 1.125rem;
  }
  
  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
  }
  
  .project-content {
    padding: var(--space-lg);
  }
  
  .project-tech {
    gap: var(--space-xs);
  }
  
  .tech-tag {
    font-size: 0.6875rem;
    padding: 0.1875rem 0.5rem;
  }
  
  .experience-item {
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
  }
  
  .experience-timeline {
    padding-left: var(--space-lg);
  }
  
  .timeline {
    margin: 0;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 50px;
    margin-right: 0;
    padding: var(--space-md);
  }
  
  .timeline-icon {
    left: 20px;
    width: 35px;
    height: 35px;
  }
  
  .timeline-icon i {
    font-size: 0.875rem;
  }
  
  .timeline-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
  }
  
  .timeline-content h4 {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
  }
  
  .timeline-content p {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--space-sm);
  }
  
  .timeline-skills {
    gap: 0.25rem;
    margin-top: var(--space-sm);
  }
  
  .timeline-skills span {
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    white-space: nowrap;
  }
  
  .contact-item {
    padding: var(--space-md);
    gap: var(--space-sm);
  }
  
  .contact-icon {
    width: 45px;
    height: 45px;
    font-size: 1.125rem;
  }
  
  .form-group {
    margin-bottom: var(--space-md);
  }
  
  .form-input,
  .form-textarea {
    padding: var(--space-sm);
    font-size: 0.9375rem;
  }
  
  .footer {
    padding: var(--space-lg) 0;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    text-align: center;
  }
  
  .footer-section {
    text-align: center;
  }
  
  .footer-logo {
    justify-content: center;
    text-align: center;
  }
  
  .footer-section h3 {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
  }
}

@media (max-width: 360px) {
  .nav-menu {
    width: 100%;
    max-width: 100vw;
    padding: var(--space-md);
  }
  
  .timeline::before {
    left: 15px;
  }
  
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 40px;
    padding: var(--space-sm);
  }
  
  .timeline-icon {
    left: 15px;
    width: 30px;
    height: 30px;
  }
  
  .timeline-icon i {
    font-size: 0.75rem;
  }
  
  .timeline-content h3 {
    font-size: 1rem;
  }
  
  .timeline-content h4 {
    font-size: 0.875rem;
  }
  
  .timeline-content p {
    font-size: 0.875rem;
  }
  
  .timeline-skills span {
    font-size: 0.5625rem;
    padding: 0.0625rem 0.25rem;
  }
  
  .hero-name {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 1.125rem;
  }
  
  .hero-photo {
    width: 180px;
    height: 180px;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9375rem;
  }
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: var(--z-fixed);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

@media print {
  .header,
  .back-to-top,
  .hamburger,
  #particles-js,
  #loader {
    display: none !important;
  }
  
  .hero {
    padding-top: 0;
  }
  
  * {
    color: var(--black) !important;
    background: var(--white) !important;
  }
}