/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */
:root {
  --primary-color: #000;
  --secondary-color: #666;
  --background-light: #f8f8f8;
  --background-white: #fff;
  --border-radius-sm: 5px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 20px;
  --spacing-xl: 24px;
  --font-family-base: 'sst-roman', sans-serif;
  --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  --transition-default: all 0.2s ease;
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.tab-container {
  max-width: 100%;
  margin: 0 auto;
  padding: var(--spacing-lg) 0;
}

/* ==========================================================================
   Tab Navigation Components
   ========================================================================== */
.tab-buttons {
  display: flex;
  gap: 0;
  margin-bottom: var(--spacing-lg);
  justify-content: center;
  border-bottom: none;
  -ms-overflow-style: none;
  scrollbar-width: none;
  font-family: var(--font-family-base);
}

.tab-buttons::-webkit-scrollbar {
  display: none;
}

.tab-description {
  padding-bottom: var(--spacing-lg);
  font-size: 1.125rem;
}

.tab-info {
  text-align: center;
}

/* Tab Button Styles */
.tab-btn {
  padding: 15px 30px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1.5rem;
  transition: var(--transition-default);
  position: relative;
  text-decoration: none !important;
  color: var(--primary-color);
  font-family: var(--font-family-base);
  letter-spacing: 1px;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #e0e0e0;
  transition: background-color 0.3s ease;
}

.tab-btn.active::after {
  background-color: #FF6B00;
}

/* Tab Content Area */
.tab-content {
  position: relative;
}

.tab-panel {
  display: none;
  padding: var(--spacing-lg);
  background: var(--background-white);
  animation: fadeIn 0.5s ease;
}

.tab-panel.active {
  display: block;
}

/* No Content Message */
.no-content {
  text-align: center;
  padding: 30px;
  font-family: 'sst-roman', sans-serif;
  font-size: 1rem;
  color: #666;
  background: #f8f8f8;
  border-radius: 5px;
  max-width: 1200px;
  margin: 20px auto;
}

@media (max-width: 768px) {
  .no-content {
    padding: 20px;
    font-size: 0.875rem;
    margin: 15px 0;
  }
}



/* Banner/Carousel Section
  /* Banner/Carousel Section
     ========================================================================== */
.carousel-section {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.carousel-slide img {
  width: 50%;
}

.carousel-container {
  width: 100%;
  position: relative;
}

/* Workshop Content Area
     ========================================================================== */
.workshops-content {
  position: absolute;
  top: 25%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  width: 80%;
  max-width: 800px;
  padding: 20px;
}

.workshops-content h2 {
  font-size: 2rem;
  margin-bottom: clamp(0.5rem, 2vw, 1rem);
  letter-spacing: 1px;
  font-family: 'sst-roman';
  font-weight: normal;
}

.workshops-content p {
  font-size: 1.125rem;
  max-width: 800px;
  margin: 0 auto;
}

.workshop-counter {
  margin: 1rem 0;
  color: #666;
  font-size: 1.125rem;
  font-weight: 500;
  text-align: center;
  font-family: 'sst-roman', sans-serif;
}

.no-results,
.no-content {
  text-align: center;
  grid-column-start: 2;
}

/* Filter Components
     ========================================================================== */
.tab-filter {
  position: relative;
  display: inline-block;
  padding-bottom: 20px;
}

.filter-button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #f8f8f8;
  border: 1px solid black;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.875rem;
  color: #333;
  transition: all 0.2s ease;
}

.filter-button:hover {
  background: #f0f0f0;
}

.filter-text {
  font-size: 1rem;
  font-weight: 500;
  font-family: 'sst-roman', sans-serif;
}

.filter-icon {
  width: 20px;
  height: 20px;
}

/* Filter Dropdown Menu
     ========================================================================== */
.filter-dropdown {
  position: absolute;
  top: calc(100% - 10px);
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  padding: 16px 10px;
  z-index: 1000;
}

.filter-section {
  margin-bottom: 16px;
}

.filter-section:last-child {
  margin-bottom: 0;
}

.filter-section h3 {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0 0 12px 0;
  color: #333;
}

/* Filter Options
       ========================================================================== */
.filter-option {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  color: #666;
}

.filter-option:last-child {
  margin-bottom: 0;
}

.filter-option input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 2px solid #ddd;
  cursor: pointer;
}

.filter-option span {
  user-select: none;
}

.filter-dropdown[hidden] {
  display: none;
}

.filter-dropdown:not([hidden]) {
  animation: slideDown 0.2s ease;
}

/* Filter Section Styles
       ========================================================================== */
.filter-section {
  margin-bottom: 20px;
  text-align: left;
}

.filter-section:last-child {
  margin-bottom: 0;
}

.filter-section h3 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 12px;
  margin-top: 12px;
  color: #333;
}

/* Button Groups
       ========================================================================== */
.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 8px 10px;
  border-radius: 5px;
  border: 1px solid #000;
  background: white;
  color: black;
  font-size: 0.875rem;
  width: 48%;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  background: #f8f8f8;
}

.filter-btn.active {
  background: #000;
  color: white;
  border-color: #000;
}

/* Date Range Controls
       ========================================================================== */
.date-range {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  justify-content: center;
  flex-direction: column;
}

.date-input {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--primary-color);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  color: var(--primary-color);
  width: 150px;
  font-family: var(--font-family-base);
}

.date-separator {
  color: var(--secondary-color);
  font-size: 0.875rem;
}

/* Filter Counter
       ========================================================================== */
.filter-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--spacing-lg);
  height: var(--spacing-lg);
  color: var(--primary-color);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0 6px;
  font-family: var(--font-family-base);
}

/* User Interface Elements
       ========================================================================== */


.load-more-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin: 2rem 0;
}

.load-more-counter {
  font-size: 1rem;
  color: #666;
}

.load-more-btn {
  background: #fff;
  border: 1px solid #000;
  padding: 0.5rem 2rem;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.load-more-btn:hover {
  background: #000;
  color: #fff;
}

.features-card {
  display: none;
}

.features-card.visible {
  display: block;
}

.load-more-btn {
  display: block;
  margin: auto;
  margin-bottom: 0 !important;
  padding: 0.75rem 1.5rem;
  background-color: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 1.125rem;
  transition: var(--transition-default);
  font-family: var(--font-family-base);
}

.load-more-btn:hover {
  background-color: var(--primary-color);
  color: var(--background-white);
}

/* Utility Classes
       ========================================================================== */
.level-badge {
  position: absolute;
  top: unset;
  bottom: 0;
  left: var(--spacing-sm);
  background: rgba(0, 0, 0, 0.7);
  color: var(--background-white);
  padding: 4px var(--spacing-sm);
  font-size: 1.125rem;
  font-weight: 600;
  text-transform: uppercase;
  font-family: 'sst-heavy';
}

.font-bold {
  font-weight: bold;
}

/* Animations
       ========================================================================== */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translate(-50%, -8px);
  }

  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}




.alpha-universe-logo {
  max-width: 100%;
  height: auto !important;
}



/* Responsive Styles
     ========================================================================== */
@media screen and (max-width: 768px) {
  .carousel-slide img {
    width: 80%;
  }

  .mobile-br {
    display: block;
  }

  .desktop-br {
    display: none;
  }

  .desktop-banner {
    display: none;
  }

  .mobile-banner {
    display: block;
  }



  .tab-btn {
    width: 100%;
    text-align: center;
    padding: calc(var(--spacing-xs) - 2px) var(--spacing-md);
    font-size: 1.25rem;
  }

  .tab-description,
  .headerEx div {
    font-size: 0.875rem;
  }


  .tab-buttons {
    overflow-x: auto;
    justify-content: flex-start;
    padding: 0 var(--spacing-lg) 5px;
    margin-bottom: 0;
  }

  .tab-content::-webkit-scrollbar {
    display: none;
  }

  .tab-content {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .workshop-counter,
  .load-more-btn {
    font-size: 0.875rem;
  }

  .load-more-btn {
    margin-bottom: 1rem !important;
  }
}




/*CONTEST RULES*/
.features-container {
  padding-bottom: 50px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding: 0;
  max-width: 1200px;
  margin: 0 auto;
}

.features-grid:has(> :first-child:last-child) {
  grid-template-columns: repeat(3, 1fr);
}

.features-grid:has(> :first-child:last-child)>.features-card {
  grid-column-start: 2;
}

.features-grid:has(> :nth-child(2):last-child) {
  grid-template-columns: repeat(2, 1fr);
}

.features-card {
  text-decoration: none;
  color: inherit;
  background: #ebebeb;
  overflow: hidden;
  transition: var(--transition-default);
  position: relative;
  text-align: center;
}

.image-container {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.features-info {
  padding: var(--spacing-md);
}

.features-info h3 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--primary-color);
  line-height: 1.3;
  font-family: 'sst-light', sans-serif;
}

.features-info p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.3;
  font-family: var(--font-family-base);
}

.features-meta {
  font-size: 1rem;
  color: var(--secondary-color);
  font-family: 'sst-light';
}

.features-btn {
  padding-bottom: var(--spacing-md);
}

.features-btn-learn {
  padding: 0.5rem 1rem;
  background-color: white;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 1.125rem;
  transition: var(--transition-default);
  font-family: var(--font-family-base);
}

.features-btn-learn:hover {
  background-color: var(--primary-color);
  color: var(--background-white);
}

@media screen and (max-width:768px) {
  .features-grid {
    grid-template-columns: repeat(1, 1fr);
  }

  .features-grid:has(> :first-child:last-child)>.features-card {
    grid-column-start: 1;
  }

  .features-info h3 {
    font-size: 1rem;
  }

  .features-meta p {
    font-size: 0.875rem;
  }

  .features-btn-learn {
    font-size: 0.875rem;
  }

  .features-container {
    padding-top: 30px;
    padding-bottom: 30px;
  }
}

.no-content {
    text-align: center;
    padding: 30px;
    font-family: 'sst-roman', sans-serif;
    font-size: 1rem;
    color: #666;
    background: #f8f8f8;
    border-radius: 5px;
    max-width: 1200px;
    margin: 20px auto;
}

@media (max-width: 768px) {
    .no-content {
        padding: 20px;
        font-size: 0.875rem;
        margin: 15px 0;
    }
}

.no-content {
    text-align: center;
    grid-column-start: 2;
}



/*Added by Gayathri Start*/

:root:lang(vi-VN) {
    --font-family-base: 'SSTVN', sans-serif !important;
}

html[lang="vi-VN"] .no-content {
    font-family: 'SSTVN', sans-serif !important;
}

html[lang="vi-VN"] .workshop-counter {
    font-family: 'SSTVN', sans-serif !important;
}

html[lang="vi-VN"] .filter-text {
    font-family: 'SSTVN', sans-serif !important;
}

html[lang="vi-VN"] .workshops-content h2 {
    font-family: 'SSTVN', sans-serif !important;
}

html[lang="vi-VN"] .level-badge {
    font-family: 'SST W01 Bold', sans-serif !important;
}


/*Added by Gayathri End*/