/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE - TABLET & MOBILE
   ═══════════════════════════════════════════════════════════════ */

/* TABLET - 1024px and below */
@media (max-width: 1024px) {
  /* Typography */
  h1 { font-size: var(--text-5xl); }
  h2 { font-size: var(--text-3xl); }
  
  /* Hero */
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .hero-image-wrapper {
    margin: 0 auto;
    width: 320px;
    height: 320px;
  }
  
  .hero-title {
    font-size: clamp(var(--text-5xl), 10vw, var(--text-7xl));
  }
  
  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  /* CTA Cards */
  .cta-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Publications */
  .publications-layout {
    grid-template-columns: 1fr;
  }
  
  .publications-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    padding: var(--space-6);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-8);
  }
  
  .filter-reset {
    grid-column: 1 / -1;
  }
  
  /* Research blocks */
  .research-block-left .research-block-content,
  .research-block-right .research-block-content {
    grid-template-columns: 1fr;
  }
  
  .research-block-right .research-block-image {
    order: 1;
  }
  
  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-grid .footer-section:last-child {
    grid-column: 1 / -1;
  }
}

/* MOBILE - 768px and below */
@media (max-width: 768px) {
  /* Container */
  .container {
    padding: 0 var(--space-4);
  }
  
  /* Typography */
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }
  
  /* Navigation */
  .nav-menu {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: white;
    padding: var(--space-6);
    gap: var(--space-4);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-base);
    pointer-events: none;
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }
  
  /* Hero */
  .hero {
    min-height: auto;
    padding: var(--space-16) 0;
  }
  
  .hero-shape-1,
  .hero-shape-2 {
    display: none;
  }
  
  .hero-image-wrapper {
    width: 280px;
    height: 280px;
  }
  
  .hero-title {
    font-size: clamp(var(--text-4xl), 12vw, var(--text-6xl));
  }
  
  .hero-subtitle {
    font-size: var(--text-xl);
  }
  
  .hero-baseline {
    font-size: var(--text-base);
  }
  
  .hero-scroll {
    display: none;
  }
  
  /* Page Header */
  .page-header {
    padding: var(--space-16) 0 var(--space-12);
  }
  
  .page-title {
    font-size: var(--text-5xl);
  }
  
  .page-subtitle {
    font-size: var(--text-lg);
  }
  
  /* About */
  .about {
    padding: var(--space-20) 0;
  }
  
  .about-title {
    font-size: var(--text-3xl);
  }
  
  .about-content {
    font-size: var(--text-base);
  }
  
  /* CTA Cards */
  .cta-section {
    padding: var(--space-20) 0;
  }
  
  .cta-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-card {
    padding: var(--space-6);
  }
  
  /* Publications */
  .publications-tools {
    position: static;
  }
  
  .publications-controls {
    flex-direction: column;
  }
  
  .search-box {
    max-width: 100%;
  }
  
  .view-toggle {
    width: 100%;
    justify-content: center;
  }
  
  .publications-sidebar {
    grid-template-columns: 1fr;
  }
  
  .publications-section {
    padding: var(--space-12) 0;
  }
  
  .publication-card {
    padding: var(--space-6);
  }
  
  .publication-title {
    font-size: var(--text-lg);
  }
  
  .publication-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  /* Research */
  .research-content {
    padding: var(--space-16) 0;
  }
  
  .research-block {
    margin-bottom: var(--space-12);
  }
  
  .research-block-title {
    font-size: var(--text-3xl);
  }
  
  .research-block-text {
    font-size: var(--text-base);
  }
  
  /* Teaching */
  .teaching-section,
  .supervision-section {
    padding: var(--space-16) 0;
  }
  
  .courses-grid {
    grid-template-columns: 1fr;
  }
  
  .course-card {
    padding: var(--space-6);
  }
  
  /* Blog */
  .blog-filters {
    padding: var(--space-6) 0;
  }
  
  .filter-pills {
    gap: var(--space-2);
    overflow-x: auto;
    padding-bottom: var(--space-2);
  }
  
  .filter-pill {
    white-space: nowrap;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  /* Blog Article */
  .article-header {
    padding: var(--space-16) 0 var(--space-12);
  }
  
  .article-title {
    font-size: var(--text-4xl);
  }
  
  .article-body {
    font-size: var(--text-base);
  }
  
  .share-buttons {
    flex-direction: column;
  }
  
  .share-btn {
    width: 100%;
    justify-content: center;
  }
  
  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .profiles-grid {
    grid-template-columns: 1fr;
  }
  
  /* Footer */
  .footer {
    padding: var(--space-16) 0 var(--space-6);
    margin-top: var(--space-20);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-grid .footer-section:last-child {
    grid-column: 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  /* Modal */
  .modal-content {
    width: 95%;
    padding: var(--space-6);
  }
}

/* SMALL MOBILE - 480px and below */
@media (max-width: 480px) {
  /* Typography */
  h1 { font-size: var(--text-3xl); }
  
  /* Hero */
  .hero-title {
    font-size: var(--text-5xl);
  }
  
  .hero-image-wrapper {
    width: 240px;
    height: 240px;
  }
  
  /* Page Header */
  .page-title {
    font-size: var(--text-4xl);
  }
  
  /* Spacings */
  .about,
  .cta-section,
  .research-content,
  .publications-section,
  .teaching-section,
  .supervision-section {
    padding: var(--space-12) 0;
  }
  
  .research-block {
    margin-bottom: var(--space-10);
  }
  
  /* Cards */
  .cta-card,
  .publication-card,
  .course-card {
    padding: var(--space-4);
  }
}

/* ═══════════════════════════════════════════════════════════════
   PRINT STYLES
   ═══════════════════════════════════════════════════════════════ */

@media print {
  .nav,
  .hero-scroll,
  .cta-section,
  .publications-tools,
  .publications-sidebar,
  .filter-pills,
  .share-buttons,
  .footer {
    display: none;
  }
  
  body {
    font-size: 12pt;
    color: black;
    background: white;
  }
  
  .container {
    max-width: 100%;
  }
  
  .publication-card,
  .course-card {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}