/* Responsive Styles */

/* Large screens */
@media (max-width: 1400px) {
  :root {
    --section-padding: 60px;
  }

  .resume-grid {
    gap: var(--space-3xl);
  }
}

/* Medium screens / Tablets */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 260px;
    --fs-5xl: 2.5rem;
    --fs-4xl: 2rem;
  }

  .section {
    padding: var(--space-3xl) var(--space-xl);
  }

  .about-grid,
  .resume-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .skills-bars {
    grid-template-columns: 1fr;
  }

  .two-columns {
    grid-template-columns: 1fr;
  }
}

/* Tablets and below */
@media (max-width: 768px) {
  :root {
    --sidebar-width: 100%;
    --fs-5xl: 2rem;
    --fs-4xl: 1.75rem;
    --fs-3xl: 1.5rem;
    --section-padding: 50px;
  }

  /* Show mobile menu toggle */
  .mobile-menu-toggle {
    display: flex;
  }

  /* Sidebar becomes off-canvas */
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  /* Overlay when sidebar is open */
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: calc(var(--z-sidebar) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  /* Main content full width */
  .main-content {
    margin-left: 0;
  }

  .section {
    padding: var(--space-3xl) var(--space-lg);
    min-height: auto;
  }

  #home {
    min-height: 100vh;
    padding-top: 80px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .hero-buttons .btn {
    width: 100%;
  }

  /* Portfolio grid */
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  /* Filter buttons scroll */
  .filter-buttons {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-xl);
  }

  .filter-btn {
    flex-shrink: 0;
  }

  /* Form row single column */
  .form-row {
    grid-template-columns: 1fr;
  }

  /* Info grid */
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Logos grid */
  .logos-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Timeline adjustments */
  .timeline {
    padding-left: var(--space-lg);
  }

  .timeline-item {
    padding-left: var(--space-md);
  }

  /* Lightbox */
  .lightbox-content {
    max-width: 95vw;
    padding: var(--space-md);
  }

  .lightbox-close {
    top: -50px;
    right: 10px;
    font-size: var(--fs-3xl);
  }
}

/* Mobile phones */
@media (max-width: 480px) {
  :root {
    --fs-5xl: 1.75rem;
    --fs-4xl: 1.5rem;
    --fs-3xl: 1.25rem;
    --fs-2xl: 1.125rem;
  }

  .section {
    padding: var(--space-2xl) var(--space-md);
  }

  .section-title {
    font-size: var(--fs-2xl);
    margin-bottom: var(--space-2xl);
  }

  /* Profile photo smaller on mobile */
  .profile-photo {
    width: 120px;
    height: 120px;
  }

  /* Info grid single column */
  .info-grid {
    grid-template-columns: 1fr;
  }

  /* Smaller cards */
  .card,
  .info-card {
    padding: var(--space-md);
  }

  /* Contact form */
  .contact-form {
    padding: var(--space-lg);
  }

  /* Button adjustments */
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--fs-xs);
  }

  /* Social links smaller */
  .social-link {
    width: 36px;
    height: 36px;
    font-size: var(--fs-base);
  }

  /* Logos grid 2 columns */
  .logos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Timeline */
  .timeline::before {
    left: -2px;
  }

  .timeline-item::before {
    left: -9px;
    width: 12px;
    height: 12px;
  }

  .timeline-date {
    font-size: var(--fs-xs);
  }

  .timeline-title {
    font-size: var(--fs-lg);
  }

  /* Skill tags wrap better */
  .skill-tags {
    gap: var(--space-xs);
  }

  .skill-tag {
    font-size: var(--fs-xs);
    padding: var(--space-xs) var(--space-sm);
  }
}

/* Landscape phones */
@media (max-width: 768px) and (orientation: landscape) {
  #home {
    min-height: auto;
    padding: var(--space-2xl) var(--space-lg);
  }

  .hero-name {
    font-size: var(--fs-3xl);
  }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Ensure crisp rendering on retina displays */
  .profile-photo img,
  .portfolio-card img {
    image-rendering: -webkit-optimize-contrast;
  }
}

/* Print styles */
@media print {
  .sidebar,
  .mobile-menu-toggle,
  .hero-buttons,
  .filter-buttons,
  .contact-form,
  .social-links {
    display: none !important;
  }

  .main-content {
    margin-left: 0;
  }

  .section {
    page-break-inside: avoid;
    padding: 20px 0;
    min-height: auto;
  }

  body {
    background: white;
    color: black;
  }

  h1, h2, h3, h4, h5, h6 {
    color: black;
  }

  .timeline::before {
    background: #ccc;
  }

  .timeline-item::before {
    background: #333;
  }
}