/* v2.1.0: Responsive Breakpoints */

@media (max-width: 1024px) {
  .quick-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .events-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .about-content.image-left {
    direction: ltr;
  }

  .contact-form .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 768px) {
  .utility-bar { display: none; }

  .logo-text { display: none; }

  .mobile-toggle {
    display: flex;
  }

  .nav-backdrop {
    display: block;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 85%;
    max-width: 320px;
    height: 100%;
    background: white;
    padding: calc(var(--header-height) + var(--space-lg)) var(--space-lg) var(--space-lg);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow-y: auto;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    z-index: 1001;
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list > li {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .nav.open .nav-list > li {
    opacity: 1;
    transform: translateX(0);
  }

  /* Staggered animation for menu items */
  .nav.open .nav-list > li:nth-child(1) { transition-delay: 0.1s; }
  .nav.open .nav-list > li:nth-child(2) { transition-delay: 0.15s; }
  .nav.open .nav-list > li:nth-child(3) { transition-delay: 0.2s; }
  .nav.open .nav-list > li:nth-child(4) { transition-delay: 0.25s; }
  .nav.open .nav-list > li:nth-child(5) { transition-delay: 0.3s; }
  .nav.open .nav-list > li:nth-child(6) { transition-delay: 0.35s; }
  .nav.open .nav-list > li:nth-child(7) { transition-delay: 0.4s; }
  .nav.open .nav-list > li:nth-child(8) { transition-delay: 0.45s; }

  .nav-list > li > a {
    padding: var(--space-md);
    font-size: 1.125rem;
    border-bottom: 1px solid var(--gray-100);
  }

  .nav-list > li:last-child > a {
    border-bottom: none;
  }

  /* Mobile dropdown - collapsed by default, expanded on toggle */
  .has-dropdown::after {
    display: none !important;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding: 0 0 0 var(--space-lg);
    min-width: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .has-dropdown.dropdown-open > .dropdown-menu {
    max-height: 500px;
  }

  .dropdown-menu a {
    padding: 10px var(--space-md);
    font-size: 1rem;
    border-bottom: 1px solid var(--gray-100);
  }

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

  .has-dropdown > a {
    justify-content: space-between;
  }

  .has-dropdown > a .dropdown-arrow {
    transition: transform 0.3s ease;
  }

  .has-dropdown.dropdown-open > a .dropdown-arrow {
    transform: rotate(180deg);
  }

  .btn-nav {
    margin: var(--space-lg) 0 0;
    text-align: center;
    border-bottom: none !important;
  }

  .hero {
    min-height: auto;
    padding: var(--space-2xl) 0;
  }

  /* v2.3.0: Keep large/full heroes taller on mobile */
  .hero.hero-large {
    min-height: 40vh;
  }
  .hero.hero-full {
    min-height: 60vh;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }

  .quick-links-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Calendar */
  .calendar-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .calendar-nav {
    justify-content: center;
  }

  .calendar-view-toggle {
    align-self: center;
  }

  .calendar-month-title {
    font-size: 1.125rem;
    min-width: 160px;
  }

  .calendar-day {
    min-height: 56px;
    padding: 4px;
  }

  .calendar-day-num {
    font-size: 0.75rem;
  }

  .calendar-day.today .calendar-day-num {
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
  }

  .calendar-dot {
    width: 6px;
    height: 6px;
  }

  .calendar-dow {
    font-size: 0.6875rem;
    padding: 6px 2px;
  }

  .calendar-list-item {
    gap: var(--space-md);
    padding: var(--space-md);
  }

  .calendar-list-date {
    min-width: 48px;
    height: 48px;
  }

  .calendar-list-date .day {
    font-size: 1.125rem;
  }

  .calendar-page-header h1 {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

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

  .btn {
    width: 100%;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .page-header h1 {
    font-size: 1.75rem;
  }

  .contact-form-wrapper {
    padding: 20px;
  }

  .calendar-day {
    min-height: 44px;
    padding: 2px;
  }

  .calendar-day-dots {
    gap: 2px;
  }

  .calendar-legend {
    gap: var(--space-md);
  }

  .calendar-legend-item {
    font-size: 0.75rem;
  }

  .calendar-modal {
    margin: var(--space-md);
  }
}