/* Events Page Styles - Fixed & Cleaned
   Maintains original purple/yellow design system from main.css
   ========================================== */

/* ==========================================
   1. HERO SECTION
   ========================================== */

   .events-hero {
    position: relative;
    min-height: 420px;
    max-height: 500px;
    height: 420px;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: var(--spacing-lg);
  }
  
  .hero-bg-image {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 1;
  }
  
  .hero-purple-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: #3f114e;
    opacity: 0.75;
    z-index: 2;
  }
  
  .hero-content-wrapper {
    position: relative;
    z-index: 3;
    max-width: 700px;
    color: var(--color-white);
    text-align: left;
  }
  
  .hero-badge {
    display: inline-block;
    background-color: rgba(255, 196, 1, 0.2);
    color: var(--color-yellow);
    border: 1.5px solid rgba(255, 196, 1, 0.5);
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: var(--spacing-xs) 1rem;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.5px;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    line-height: 1.15;
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
    letter-spacing: -0.5px;
  }
  
  .hero-description {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
  }
  
  .hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
  }
  
  .hero-actions .btn-yellow {
    background: linear-gradient(135deg, #ffc401 0%, #ffb400 100%);
    color: var(--color-primary);
    padding: 1rem 2.5rem;
    font-size: var(--font-size-lg);
    font-weight: 700;
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 6px 20px rgba(255, 196, 1, 0.4);
    transition: all 0.3s ease;
  }
  
  .hero-actions .btn-yellow:hover {
    background: linear-gradient(135deg, #ffd333 0%, #ffc401 100%);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 196, 1, 0.5);
  }
  
  .hero-actions .btn-outline-white {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
    padding: 1rem 2.5rem;
    font-size: var(--font-size-lg);
    font-weight: 700;
    border-radius: var(--border-radius-lg);
    transition: all 0.3s ease;
  }
  
  .hero-actions .btn-outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-3px);
  }
  
  /* ==========================================
     2. SERVICES SECTION
     ========================================== */
  
  .services-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
  }
  
  .services-section .section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
  }
  
  .services-section .section-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    position: relative;
    display: inline-block;
  }
  
  .services-section .section-header h2::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-yellow) 0%, var(--color-primary) 100%);
    border-radius: var(--border-radius-full);
  }
  
  .services-section .section-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    max-width: 520px;
    margin: var(--spacing-xs) auto 0;
    line-height: 1.5;
  }
  
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    max-width: 1100px;
    margin: var(--spacing-lg) auto 0;
  }
  
  .service-panel {
    position: relative;
    padding: 14px;
    background: var(--color-white);
    border-left: 3px solid var(--color-yellow);
    border-radius: 0 10px 10px 0;
    box-shadow: 0 2px 8px rgba(63,17,78,0.06);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  
  .service-panel:hover {
    border-left-width: 5px;
    box-shadow: 0 6px 20px rgba(63,17,78,0.1);
  }
  
  .service-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
  }
  
  .service-label-icon {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
  }
  
  .service-icon {
    width: 24px;
    height: 24px;
    background: rgba(63,17,78,0.06);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
  }
  
  .service-panel:hover .service-icon {
    background: var(--color-primary);
  }
  
  .service-icon svg {
    width: 13px;
    height: 13px;
    color: var(--color-primary);
    transition: color 0.3s ease;
  }
  
  .service-panel:hover .service-icon svg {
    color: var(--color-white);
  }
  
  .service-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
  }
  
  .service-status {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    background: rgba(255, 196, 1, 0.1);
    color: var(--color-text);
    font-size: 0.625rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
    border: 1px solid rgba(255, 196, 1, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.3px;
  }
  
  .service-status::before {
    content: "";
    width: 5px;
    height: 5px;
    background: var(--color-yellow);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
  }
  
  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
  }
  
  .service-theme {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 4px;
    line-height: 1.3;
    letter-spacing: -0.3px;
    transition: all 0.3s ease;
  }
  
  .service-panel:hover .service-theme {
    color: var(--color-primary);
  }
  
  .service-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
    margin: 0 0 10px;
  }
  
  .service-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 12px;
    color: var(--color-text-light);
    font-weight: 500;
  }
  
  .service-meta-item svg {
    width: 12px;
    height: 12px;
    color: var(--color-primary);
    flex-shrink: 0;
    opacity: 0.7;
  }
  
  .service-speaker {
    font-size: 0.75rem;
    color: var(--color-text);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.625rem;
    background: rgba(255, 196, 1, 0.06);
    border-radius: 6px;
    margin: 0 0 4px;
  }
  
  .service-speaker svg {
    width: 14px;
    height: 14px;
    color: var(--color-primary);
    flex-shrink: 0;
  }
  
  .service-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 8px;
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
    border-radius: 8px;
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 4px;
    width: 100%;
    text-decoration: none;
    position: relative;
    overflow: hidden;
  }
  
  .service-cta::after {
    content: "→";
    font-size: 1.125rem;
    transition: transform 0.3s ease;
    font-weight: 700;
  }
  
  .service-cta:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(63,17,78,0.2);
  }
  
  .service-cta:hover::after {
    transform: translateX(4px);
  }
  
  /* ==========================================
     3. WEEKLY SCHEDULE SECTION
     ========================================== */
  
  .weekly-schedule-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, #f9f8fa 0%, #ffffff 100%);
  }
  
  .weekly-schedule-section .section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
  }
  
  .weekly-schedule-section .section-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
  }
  
  .weekly-schedule-section .section-header h2::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-yellow) 0%, var(--color-primary) 100%);
    border-radius: var(--border-radius-full);
  }
  
  .weekly-schedule-section .section-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    max-width: 520px;
    margin: var(--spacing-sm) auto 0;
    line-height: 1.5;
  }
  
  .weekly-events-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
  }
  
  /* Day Selector */
  .day-selector {
    position: sticky;
    top: 72px;
    z-index: 100;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.75rem;
    border-radius: var(--border-radius-lg);
    max-width: 1100px;
    margin: 0 auto var(--spacing-xl);
    box-shadow: 0 4px 15px rgba(63,17,78,0.08);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border: 1px solid rgba(63,17,78,0.08);
    scroll-behavior: smooth;
  }
  
  .day-selector::-webkit-scrollbar { display: none; }
  
  .day-selector-inner {
    display: flex;
    gap: var(--spacing-xs);
    min-width: min-content;
    justify-content: center;
    padding: 0 var(--spacing-xs);
  }
  
  .day-btn {
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: transparent;
    border: 1.5px solid transparent;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
    flex-shrink: 0;
    position: relative;
  }
  
  .day-btn:hover:not(.active) {
    border-color: var(--color-primary);
    background: rgba(63,17,78,0.04);
  }
  
  .day-btn.active {
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-color: transparent;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(63,17,78,0.25);
  }
  
  /* Day content */
  .day-events {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease;
  }
  
  .day-events.active {
    display: block;
    opacity: 1;
    animation: fadeIn 0.4s ease;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  .day-header-card {
    background: linear-gradient(135deg, rgba(63,17,78,0.03) 0%, rgba(255,196,1,0.05) 100%);
    border: 1px solid rgba(63,17,78,0.08);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
  }
  
  .day-header-label {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.3px;
  }
  
  .events-stack {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  /* Event cards (expandable) */
  .event-card-expandable {
    background: var(--color-white);
    border: 1.5px solid rgba(63,17,78,0.08);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(63,17,78,0.04);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s ease;
  }
  
  .event-card-expandable::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-yellow) 0%, var(--color-primary) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  
  .event-card-expandable:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(63,17,78,0.08);
    border-color: rgba(63,17,78,0.15);
  }
  
  .event-card-expandable:hover::before { opacity: 1; }
  
  .event-card-compact {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    cursor: pointer;
  }
  
  .event-card-image {
    width: 140px;
    min-height: 140px;
    flex-shrink: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
  }
  
  .event-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }
  
  .event-card-expandable:hover .event-card-image img {
    transform: scale(1.08);
  }
  
  .event-card-info {
    padding: var(--spacing-md) var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-xs);
  }
  
  .event-time-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(63,17,78,0.06);
    padding: 0.3rem 0.75rem;
    border-radius: var(--border-radius-full);
    width: fit-content;
  }
  
  .time-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
  }
  
  .event-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    line-height: 1.3;
    transition: color 0.2s ease;
  }
  
  .event-card-expandable:hover .event-card-title { color: var(--color-primary); }
  
  .event-card-location {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.813rem;
    color: var(--color-text-light);
    font-weight: 500;
  }
  
  .location-icon {
    width: 14px;
    height: 14px;
    color: var(--color-yellow);
    flex-shrink: 0;
  }
  
  .event-expand-btn {
    width: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(63,17,78,0.03);
    color: var(--color-primary);
    border: none;
    border-left: 1px solid rgba(63,17,78,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    flex-shrink: 0;
  }
  
  .event-expand-btn svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
  }
  
  .event-card-expandable.expanded .event-expand-btn {
    background: var(--color-primary);
    color: var(--color-white);
  }
  
  .event-card-expandable.expanded .event-expand-btn svg {
    transform: rotate(180deg);
  }
  
  .event-card-expanded {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(63,17,78,0.02) 0%, rgba(255,196,1,0.02) 100%);
    transition: all 0.4s ease;
  }
  
  .event-card-expandable.expanded .event-card-expanded {
    max-height: 400px;
    opacity: 1;
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(63,17,78,0.08);
  }
  
  .event-description {
    font-size: 0.938rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
  }
  
  .event-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }
  
  .highlight-item {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.375rem 0.875rem;
    background: var(--color-white);
    border: 1px solid rgba(63,17,78,0.12);
    border-radius: var(--border-radius-full);
    color: var(--color-primary);
    transition: all 0.2s ease;
  }
  
  .highlight-item:hover {
    background: rgba(63,17,78,0.05);
    border-color: var(--color-primary);
  }
  
  .no-events-message {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    background: rgba(63,17,78,0.02);
    border: 1px dashed rgba(63,17,78,0.15);
    border-radius: var(--border-radius-lg);
  }
  
  /* ==========================================
     4. EVENTS ARCHIVE SECTION
     ========================================== */
  
  .events-archive-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, #ffffff 0%, #f9f8fa 100%);
  }
  
  /* Tab switcher */
  .time-tabs-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    z-index: 1;
  }
  
  .time-tabs {
    display: flex;
    gap: 0.75rem;
    background: var(--color-white);
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-xl);
    box-shadow: 0 2px 8px rgba(63,17,78,0.08);
    border: 1px solid rgba(255,196,1,0.1);
  }
  
  .time-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--color-text-light);
    border: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
  }
  
  .time-tab .tab-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
  }
  
  .time-tab:hover {
    background: rgba(255,196,1,0.08);
    color: var(--color-primary);
  }
  
  .time-tab.active {
    background: linear-gradient(135deg, var(--color-primary) 0%, #5a2d6b 100%);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(63,17,78,0.2);
  }
  
  /* Tab content */
  .tab-content {
    display: none;
    opacity: 0;
  }
  
  .tab-content.active {
    display: block;
    opacity: 1;
    animation: fadeIn 0.4s ease;
  }
  
  /* Section header inside tabs */
  .tab-content .section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
  }
  
  .tab-content .section-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
  }
  
  .tab-content .section-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
  }
  
  /* ==========================================
     FILTERS (Coursera-style dropdowns)
     ========================================== */
  
  .filters-container {
    max-width: 1100px;
    margin: 0 auto var(--spacing-lg);
    padding: 0 var(--spacing-md);
  }
  
  .filter-summary-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-xs) 0;
  }
  
  .filter-summary-text {
    font-size: var(--font-size-sm);
    color: var(--color-text);
  }
  
  .filter-summary-text strong { font-weight: 600; }
  .filter-summary-divider { color: var(--color-text-light); }
  
  .filter-buttons-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
  }
  
  .filter-trigger-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1rem;
    background: var(--color-white);
    border: 1.5px solid rgba(63,17,78,0.15);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s ease;
  }
  
  .filter-trigger-btn:hover {
    background: rgba(63,17,78,0.03);
    border-color: rgba(63,17,78,0.25);
  }
  
  .filter-icon {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
  }
  
  .filter-count {
    font-weight: 600;
    color: var(--color-primary);
  }
  
  .dropdown-chevron {
    width: 16px;
    height: 16px;
    color: var(--color-text-light);
    transition: transform 0.2s ease;
  }
  
  .filter-trigger-btn[aria-expanded="true"] .dropdown-chevron,
  .filter-dropdown-btn[aria-expanded="true"] .dropdown-chevron {
    transform: rotate(180deg);
  }
  
  .filter-dropdown-wrapper {
    position: relative;
  }
  
  .filter-dropdown-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1rem;
    background: rgba(63,17,78,0.03);
    border: 1.5px solid rgba(63,17,78,0.1);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s ease;
  }
  
  .filter-dropdown-btn:hover {
    background: rgba(63,17,78,0.06);
    border-color: rgba(63,17,78,0.2);
  }
  
  .filter-dropdown-btn[aria-expanded="true"] {
    background: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(63,17,78,0.1);
  }
  
  .filter-dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    left: 0;
    min-width: 200px;
    background: var(--color-white);
    border: 1.5px solid rgba(63,17,78,0.1);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 12px rgba(63,17,78,0.15);
    padding: var(--spacing-xs);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
  }
  
  .filter-dropdown-menu[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .filter-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: background 0.2s ease;
    user-select: none;
  }
  
  .filter-option:hover { background: rgba(63,17,78,0.04); }
  
  .filter-option input[type="radio"],
  .filter-option input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
  }
  
  .filter-option span {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    font-weight: 500;
  }
  
  .clear-filters-btn {
    padding: 0.625rem 1rem;
    background: transparent;
    border: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: var(--border-radius-md);
  }
  
  .clear-filters-btn:hover {
    background: rgba(63,17,78,0.04);
    text-decoration: underline;
  }
  
  /* Evaluation notice */
  .evaluation-notice {
    padding: 0.875rem 1.25rem;
    background: rgba(255,196,1,0.08);
    border-left: 3px solid var(--color-yellow);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin: 0 var(--spacing-md) var(--spacing-xl);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
  }
  
  /* Content groups (SERVICES / EVENTS headings) */
  .content-group {
    margin-bottom: var(--spacing-2xl);
    padding: 0 var(--spacing-md);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .content-group-heading {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 var(--spacing-lg) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(255,196,1,0.3);
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
  }
  
  .content-group-heading::before {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--color-yellow);
  }
  
  /* ==========================================
     PAST & UPCOMING EVENT CARDS
     ========================================== */
  
  .past-events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: 0;
  }
  
  .past-event-card {
    background: var(--color-white);
    border: 1.5px solid rgba(63,17,78,0.08);
    border-radius: var(--border-radius-xl);
    overflow: visible; /* allow top accent line */
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(63,17,78,0.04);
    display: flex;
    flex-direction: column;
    position: relative;
  }
  
  .past-event-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-yellow) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
    z-index: 1;
  }
  
  .past-event-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(63,17,78,0.1);
    border-color: rgba(63,17,78,0.15);
  }
  
  .past-event-card:hover::before { opacity: 1; }
  
  /* Card badges row */
  .card-badges {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-md) 0;
    flex-wrap: wrap;
  }
  
  .badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.75rem;
    font-size: 0.688rem;
    font-weight: 700;
    border-radius: var(--border-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.4px;
  }
  
  .badge-duration {
    background: rgba(63,17,78,0.08);
    color: var(--color-primary);
  }
  
  .badge-multiday {
    background: rgba(255,196,1,0.15);
    color: #7a5800;
  }
  
  .badge-upcoming {
    background: rgba(76,175,80,0.12);
    color: #2e7d32;
  }
  
  /* Card body text */
  .event-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    line-height: 1.4;
    padding: var(--spacing-sm) var(--spacing-md) 0;
    transition: color 0.2s ease;
  }
  
  .past-event-card:hover .event-title { color: var(--color-primary); }
  
  .event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md) 0;
  }
  
  .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: var(--color-text-light);
    font-weight: 500;
  }
  
  .meta-item i {
    color: var(--color-primary);
    font-size: 0.75rem;
  }
  
  .event-meta-secondary {
    font-size: 0.75rem;
    color: var(--color-text-light);
    opacity: 0.8;
    padding: 0.25rem var(--spacing-md) 0;
    font-style: italic;
  }
  
  /* Card actions (Gallery / View More links) */
  .card-actions {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md) 0;
    flex-wrap: wrap;
  }
  
  .action-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.875rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
    text-decoration: none;
    transition: all 0.2s ease;
  }
  
  .badge-purple {
    background: rgba(63,17,78,0.07);
    color: var(--color-primary);
    border: 1px solid rgba(63,17,78,0.12);
  }
  
  .badge-purple:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-1px);
  }
  
  /* Card footer (Evaluate button) */
  .card-footer {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(63,17,78,0.06);
    background: rgba(63,17,78,0.01);
    margin-top: auto;
  }
  
  .btn-evaluate {
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, #5a2d6b 100%);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 0.938rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(63,17,78,0.2);
  }
  
  .btn-evaluate:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(63,17,78,0.3);
    background: linear-gradient(135deg, #2d0c39 0%, #4a2359 100%);
  }
  
  .btn-evaluate:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(63,17,78,0.2);
  }
  
  /* Evaluation closed */
  .status-message {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(63,17,78,0.03);
    border-radius: var(--border-radius-md);
  }
  
  .status-message strong {
    display: block;
    font-size: 0.938rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.25rem;
  }
  
  .status-message p {
    font-size: 0.813rem;
    color: var(--color-text-light);
    margin: 0;
  }
  
  /* ==========================================
     UPCOMING TAB EXTRAS
     ========================================== */
  
  .current-semester-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    margin: 0 auto var(--spacing-lg);
    max-width: 600px;
    background: linear-gradient(135deg, rgba(63,17,78,0.06) 0%, rgba(63,17,78,0.03) 100%);
    border: 2px solid rgba(63,17,78,0.15);
    border-radius: var(--border-radius-lg);
    color: var(--color-primary);
    font-size: 0.938rem;
  }
  
  .current-semester-badge svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
  }
  
  .current-semester-badge strong {
    color: var(--color-primary);
    font-weight: 700;
  }
  
  /* ==========================================
     5. WEEKLY HIGHLIGHTS SLIDESHOW
     ========================================== */
  
  .slideshow-section {
    width: 100%;
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    margin-top: var(--spacing-2xl);
    border-top: 2px solid rgba(63,17,78,0.06);
  }
  
  .slideshow-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-md);
  }
  
  .slideshow-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 var(--spacing-sm) 0;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
  }
  
  .slideshow-header h2::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-yellow) 0%, var(--color-primary) 100%);
    border-radius: var(--border-radius-full);
  }
  
  .slideshow-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin: var(--spacing-md) auto 0;
    max-width: 600px;
    line-height: 1.6;
  }
  
  .slideshow-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
  }
  
  .slideshow-wrapper {
    position: relative;
    width: 100%;
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(63,17,78,0.08);
    border: 1px solid rgba(63,17,78,0.06);
    transition: all 0.4s ease;
  }
  
  .slideshow-wrapper:hover {
    box-shadow: 0 8px 30px rgba(63,17,78,0.12);
    transform: translateY(-3px);
  }
  
  .slides-track {
    position: relative;
    width: 100%;
    aspect-ratio: 21 / 9;
    background: linear-gradient(135deg, var(--color-gray-light) 0%, var(--color-border) 100%);
  }
  
  .slideshow-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.7s ease, visibility 0.7s;
    pointer-events: none;
  }
  
  .slideshow-slide.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    z-index: 2;
  }
  
  .slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  
  .slideshow-slide.active .slide-image {
    animation: slideZoomIn 0.8s ease-out;
  }
  
  @keyframes slideZoomIn {
    from { transform: scale(1.08); }
    to { transform: scale(1); }
  }
  
  .slide-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.4) 40%, rgba(0,0,0,0.8) 100%);
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
    min-height: 100px;
    display: flex;
    align-items: flex-end;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.6s ease;
  }
  
  .slideshow-slide.active .slide-overlay {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
  }
  
  .slide-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .slide-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin: 0;
    line-height: 1.3;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  }
  
  .slide-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
  }
  
  .slide-btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.813rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    text-decoration: none;
  }
  
  .slide-btn-primary {
    background: linear-gradient(135deg, var(--color-yellow) 0%, #ffb400 100%);
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(255,196,1,0.35);
  }
  
  .slide-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,196,1,0.45);
  }
  
  .slide-btn-secondary {
    background: rgba(255,255,255,0.12);
    color: var(--color-white);
    border: 1.5px solid rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
  }
  
  .slide-btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
  }
  
  .slideshow-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    background: rgba(255,255,255,0.95);
    color: var(--color-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    z-index: 10;
    opacity: 0;
    visibility: hidden;
  }
  
  .slideshow-wrapper:hover .slideshow-btn {
    opacity: 1;
    visibility: visible;
  }
  
  .slideshow-btn.prev { left: var(--spacing-sm); }
  .slideshow-btn.next { right: var(--spacing-sm); }
  
  .slideshow-btn:hover {
    background: var(--color-white);
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 4px 20px rgba(63,17,78,0.2);
  }
  
  .slideshow-btn svg {
    width: 18px;
    height: 18px;
    stroke-width: 2.5;
  }
  
  .slideshow-dots {
    position: absolute;
    bottom: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.375rem;
    align-items: center;
    z-index: 10;
    padding: var(--spacing-xs) 1rem;
    background: rgba(0,0,0,0.35);
    border-radius: var(--border-radius-full);
    backdrop-filter: blur(8px);
  }
  
  .slideshow-dot {
    width: 6px;
    height: 6px;
    border-radius: var(--border-radius-full);
    background: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
  }
  
  .slideshow-dot:hover {
    background: rgba(255,255,255,0.75);
    transform: scale(1.3);
  }
  
  .slideshow-dot.active {
    background: var(--color-white);
    width: 24px;
  }
  
  /* ==========================================
     ACCESSIBILITY & FOCUS
     ========================================== */
  
  .day-btn:focus-visible,
  .time-tab:focus-visible,
  .event-card-compact:focus-visible {
    outline: 3px solid var(--color-yellow);
    outline-offset: 2px;
  }
  
  html { scroll-padding-top: 100px; }
  
  button, a, .event-card-expandable, .past-event-card {
    -webkit-tap-highlight-color: transparent;
  }
  
  /* ==========================================
     RESPONSIVE — TABLET (max 768px)
     ========================================== */
  
  @media (max-width: 768px) {
    .services-grid {
      grid-template-columns: 1fr;
    }
  
    .day-selector {
      top: 60px;
      padding: var(--spacing-xs) 0;
      border-radius: 0;
      width: 100vw;
      margin-left: calc(-1 * var(--spacing-md));
      border-left: none;
      border-right: none;
      margin-bottom: var(--spacing-lg);
    }
  
    .day-selector-inner {
      justify-content: flex-start;
      padding: 0 var(--spacing-xs);
    }
  
    .day-btn {
      padding: var(--spacing-xs) 1rem;
      font-size: 0.813rem;
    }
  
    .event-card-image {
      width: 100px;
      min-height: 120px;
    }
  
    .event-card-info {
      padding: var(--spacing-sm) var(--spacing-md);
    }
  
    .event-card-title { font-size: 1rem; }
  
    .time-tabs {
      padding: 0.3rem;
      gap: 0.3rem;
    }
  
    .time-tab {
      padding: 0.625rem 1rem;
      font-size: 0.875rem;
    }
  
    .past-events-grid {
      grid-template-columns: 1fr;
    }
  
    .content-group {
      padding: 0 var(--spacing-sm);
    }
  
    .filters-container {
      padding: 0 var(--spacing-sm);
    }
  
    .filter-buttons-row {
      flex-wrap: nowrap;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      padding-bottom: var(--spacing-xs);
    }
  
    .filter-buttons-row::-webkit-scrollbar { display: none; }
  
    .filter-trigger-btn,
    .filter-dropdown-btn,
    .filter-dropdown-wrapper,
    .clear-filters-btn {
      flex-shrink: 0;
    }
  
    .current-semester-badge {
      margin-left: var(--spacing-sm);
      margin-right: var(--spacing-sm);
      font-size: 0.813rem;
    }
  
    .slideshow-section { padding: var(--spacing-xl) 0; }
  
    .slides-track { aspect-ratio: 16 / 9; }
  
    .slide-title { font-size: var(--font-size-lg); }
  
    .slideshow-btn {
      width: 36px;
      height: 36px;
      opacity: 0.9;
      visibility: visible;
    }
  
    .evaluation-notice {
      margin-left: var(--spacing-sm);
      margin-right: var(--spacing-sm);
    }
  }
  
  /* RESPONSIVE — MOBILE (max 480px) */
  
  @media (max-width: 480px) {
    .events-hero {
      min-height: 360px;
      height: 360px;
      padding: var(--spacing-md);
    }
  
    .hero-title { font-size: var(--font-size-2xl); }
  
    .hero-actions { flex-direction: column; }
  
    .hero-actions .btn-yellow,
    .hero-actions .btn-outline-white {
      padding: 0.875rem 1.5rem;
      font-size: var(--font-size-base);
      text-align: center;
      justify-content: center;
    }
  
    .weekly-events-container { padding: 0 var(--spacing-xs); }
  
    .event-card-image {
      width: 80px;
      min-height: 100px;
    }
  
    .event-card-info { padding: var(--spacing-xs) var(--spacing-sm); }
  
    .event-card-title { font-size: 0.938rem; }
  
    .past-events-grid {
      grid-template-columns: 1fr;
      gap: var(--spacing-md);
    }
  
    .slides-track { aspect-ratio: 4 / 3; }
  
    .slideshow-btn.prev { left: var(--spacing-xs); }
    .slideshow-btn.next { right: var(--spacing-xs); }
  
    .time-tab {
      padding: 0.5rem 0.875rem;
      font-size: 0.813rem;
    }
  }
  
  @media (min-width: 1024px) {
    .events-stack {
      grid-template-columns: repeat(2, 1fr);
      gap: var(--spacing-xl);
    }
  
    .past-events-grid {
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
  }