/* ============================================
   RESPONSIVE - TABLET (max 1024px)
   ============================================ */
@media (max-width: 1024px) {
  :root {
    --container-padding: 20px;
    --section-spacing: 64px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image-wrapper img {
    height: 360px;
  }

  .about-badge-float {
    right: 16px;
    bottom: -16px;
  }

  .programs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .stat-item {
    padding: 20px;
  }

  .pub-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .cta-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

/* ============================================
   RESPONSIVE - TABLET PORTRAIT (max 768px)
   ============================================ */
@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
    --section-spacing: 52px;
    --section-spacing-sm: 36px;
  }

  .topbar-contact {
    gap: 12px;
  }

  .topbar-contact a:not(:first-child) {
    display: none;
  }

  .topbar-lang {
    display: none;
  }

  .main-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px 24px 32px;
    overflow-y: auto;
    z-index: 999;
    box-shadow: var(--shadow-lg);
    gap: 2px;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    justify-content: space-between;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
    padding: 4px 0;
    margin-top: 4px;
    display: none;
  }

  .dropdown-menu.open {
    display: block;
  }

  .dropdown-item {
    padding: 10px 24px;
    font-size: 0.9375rem;
  }

  .hamburger {
    display: flex;
    z-index: 1001;
    position: relative;
  }

  .nav-search-btn {
    display: none;
  }

  .hero {
    padding: 60px 0 52px;
    min-height: auto;
  }

  .hero-text h1 {
    font-size: 1.75rem;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .pillars-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

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

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

  .stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .stat-item:nth-last-child(-n+2) {
    border-bottom: none;
  }

  .pub-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .logo-full {
    display: none;
  }

  .announcement-bar {
    display: none;
  }

  .back-to-top {
    bottom: 16px;
    right: 16px;
  }

  .page-hero {
    padding: 40px 0;
  }

  .page-hero h1 {
    font-size: 1.625rem;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   RESPONSIVE - MOBILE (max 480px)
   ============================================ */
@media (max-width: 480px) {
  :root {
    --container-padding: 14px;
    --section-spacing: 40px;
  }

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

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .hero-stat-number {
    font-size: 1.75rem;
  }

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

  .stat-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    border-right: none;
  }

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

  .footer-social {
    flex-wrap: wrap;
  }

  .logo-acronym {
    font-size: 1.125rem;
  }

  h1 { font-size: 1.625rem; }
  h2 { font-size: 1.375rem; }
  h3 { font-size: 1.125rem; }

  .btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
  }

  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  .event-card {
    flex-direction: column;
    gap: 12px;
  }

  .event-date {
    align-self: flex-start;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
  }

  .news-item {
    flex-direction: column;
  }

  .news-item-img {
    width: 100%;
    height: 140px;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .topbar,
  .site-header,
  .announcement-bar,
  .hero-actions,
  .cta-section,
  .site-footer,
  .back-to-top {
    display: none !important;
  }

  body {
    color: #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .container {
    max-width: 100%;
  }
}