/* ================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ================================ */

/* Tablets (768px and above) */
@media (max-width: 768px) {
  /* Header & Navigation */
  header {
    padding: 1.25rem 1.5rem;
    height: auto;
    min-height: 90px;
  }

  .hamburger,
  .menu-toggle {
    display: block;
  }

  .hamburger {
    font-size: 1.75rem;
    background: none;
    border: none;
    color: var(--cream);
    cursor: pointer;
    padding: 0.5rem;
  }

  .menu-toggle {
    display: none;
  }

  .menu-toggle:not(:checked) ~ .nav-menu {
    display: none;
  }

  .menu-toggle:checked ~ .nav-menu {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    right: 0;
    left: 0;
    background-color: var(--primary-blue);
    border-bottom: 3px solid var(--light-blue);
    padding: 1rem;
    gap: 0;
  }

  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.75rem 0;
  }

  .nav-menu li:last-child {
    border-bottom: none;
  }

  .nav-menu a {
    display: block;
    padding: 0.5rem 0;
  }

  .contact-btn {
    width: 100%;
    text-align: center;
    margin-top: 0.75rem;
  }

  /* Hero Section */
  .hero {
    padding: 3.5rem 1.5rem 4.5rem;
    min-height: auto;
  }

  .hero-content {
    width: 100%;
    padding-left: 0;
    padding-right: 0;
  }

  .hero-header {
    gap: 1rem;
  }

  .hero-logo {
    height: 70px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .tagline {
    font-size: 1rem;
  }

  /* Gallery Preview */
  .masonry {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .item-2 {
    grid-column: span 1;
    grid-row: span 1;
  }

  /* Categories */
  .categories {
    padding: 2rem 1rem;
  }

  .categories-container {
    gap: 0.5rem;
  }

  .category-tag {
    font-size: 0.75rem;
    padding: 0.4rem 0.75rem;
  }

  /* CTA Section */
  .cta-section {
    padding: 3rem 1rem;
  }

  .cta-section h2 {
    font-size: 2rem;
  }

  /* About Page */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    justify-items: center;
  }

  .about-grid > .about-text:last-child {
    width: 100%;
    max-width: 460px;
    justify-self: center;
  }

  .about-text h2 {
    font-size: 1.5rem;
  }

  .about-grid > .about-text:last-child h2 {
    align-self: center;
    text-align: center;
  }

  .about-text p {
    font-size: 0.9rem;
  }

  .tech-buttons {
    flex-direction: column;
  }

  .secondary-btn {
    width: 100%;
    text-align: center;
  }

  /* Work Gallery */
  .filter-container {
    gap: 0.5rem;
  }

  .filter-btn {
    font-size: 0.75rem;
    padding: 0.4rem 0.75rem;
  }

  .gallery-masonry {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
  }

  /* Modal */
  .modal-content {
    margin: 1rem;
    max-height: 90vh;
  }

  .modal-body {
    grid-template-columns: 1fr;
    padding: 1.5rem;
    gap: 1rem;
  }

  .modal-supporting {
    padding: 0 1.5rem 1.5rem;
  }

  .close {
    right: 1rem;
    top: 1rem;
    font-size: 1.75rem;
  }

  /* Contact Form */
  .contact-form {
    padding: 1.5rem;
  }

  .cta-button {
    font-size: 0.9rem;
    padding: 0.6rem 1.5rem;
  }

  /* Footer */
  footer {
    padding: 2rem 1rem;
  }

  .footer-content ul {
    flex-direction: column;
    gap: 0.75rem;
  }
}

/* Small Mobile (480px and below) */
@media (max-width: 480px) {
  /* Header */
  .header-container {
    gap: 1rem;
  }

  .logo {
    height: 40px;
  }

  .logo-text {
    font-size: 0.9rem;
    display: none;
  }

  /* Hero Section */
  .hero {
    padding: 3rem 1.5rem 4rem;
  }

  .hero-header {
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-logo {
    height: 58px;
  }

  .hero h1 {
    font-size: clamp(1.25rem, 5.6vw, 2rem);
    line-height: 1.15;
    letter-spacing: 0.04em;
  }

  .tagline {
    font-size: 0.9rem;
    margin-bottom: 2rem;
  }

  .hero-btn {
    width: 100%;
    text-align: center;
  }

  /* Gallery Preview */
  .masonry {
    grid-template-columns: 1fr;
  }

  /* Gallery */
  .gallery-masonry {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  /* Filter Buttons */
  .filter-btn {
    font-size: 0.7rem;
    padding: 0.35rem 0.65rem;
  }

  /* Text */
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .handwriting {
    font-size: 1.5rem;
  }

  p {
    font-size: 0.85rem;
  }

  /* Modal */
  .modal-body {
    padding: 1rem;
  }

  .modal-text h2 {
    font-size: 1.25rem;
  }

  .modal-text p {
    font-size: 0.8rem;
  }

  .project-category {
    font-size: 0.7rem;
  }

  .close {
    font-size: 1.5rem;
  }

  /* Buttons */
  .cta-button {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
  }

  .secondary-btn {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
  }

  /* Contact Form */
  .contact-form {
    padding: 1rem;
  }

  .contact-form input,
  .contact-form textarea {
    padding: 0.5rem;
    font-size: 0.9rem;
  }

  .contact-form label {
    font-size: 0.8rem;
  }

  /* Footer */
  .footer-content h4 {
    font-size: 0.9rem;
  }

  .footer-content a {
    font-size: 0.8rem;
  }
}

/* Large Screens (1200px and above) */
@media (min-width: 1200px) {
  .header-container,
  .gallery-preview,
  .masonry,
  .categories-container,
  .about-grid,
  .work-gallery,
  .contact-container,
  .footer-content {
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
  }

  .modal-body {
    padding: 4rem;
    gap: 3rem;
  }
}

/* Landscape orientation */
@media (max-height: 600px) and (orientation: landscape) {
  .hero {
    min-height: 300px;
    padding: 2rem 2rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .tagline {
    font-size: 0.95rem;
    margin-bottom: 1rem;
  }
}

/* High DPI screens (retina displays) */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* Print media */
@media print {
  header,
  footer,
  .filter-container,
  .cta-section,
  .modal {
    display: none !important;
  }

  body {
    background-color: white;
  }

  main {
    padding: 0;
  }

  a {
    color: var(--primary-blue);
  }
}

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