/*
-----------------------------------------------------------------------------------
    UTAG Custom Styles
    Custom CSS for UTAG-UG Portal
-----------------------------------------------------------------------------------
*/

/* ==========================================================================
   Image Performance Optimizations
   ========================================================================== */
img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  max-width: 100%;
  height: auto;
}

/* Lazy loading placeholder */
img[loading="lazy"] {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Optimize carousel images */
.single-class-image img,
.single-blog-image img {
  will-change: transform;
  backface-visibility: hidden;
  transform: translateZ(0);
}

/* Prevent layout shift */
.single-class-image,
.single-blog-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

/* ==========================================================================
   Gallery Section - Consistent Image Heights
   ========================================================================== */

.gallery-wrapper .single-items {
  height: 280px;
  overflow: hidden;
  position: relative;
}

.utag-gallery-item {
  display: block;
  height: 100%;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.gallery-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  will-change: transform;
  backface-visibility: hidden;
  transform: translateZ(0);
  transition: transform 0.5s ease;
}

.gallery-wrapper .single-items:hover img {
  transform: scale(1.1);
}

.utag-gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(1, 0, 78, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.utag-gallery-item:hover .utag-gallery-overlay {
  opacity: 1;
}

.utag-gallery-overlay i {
  font-size: 36px;
  color: #fff;
  margin-bottom: 10px;
}

.utag-gallery-overlay span {
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  padding: 0 15px;
  max-width: 100%;
}

@media (max-width: 768px) {
  .gallery-wrapper .single-items {
    height: 220px;
  }
  
  .utag-gallery-overlay i {
    font-size: 28px;
  }
}

@media (max-width: 576px) {
  .gallery-wrapper .single-items {
    height: 200px;
  }
}

/* Executive/Teachers images - portrait aspect ratio */
.teachers-image-column {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: #f8f9fa;
  min-height: 250px;
}

.teachers-image-column img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.3s ease;
}

.teachers-image-column:hover img {
  transform: scale(1.05);
}

/* Optimize font loading */
body {
  font-display: swap;
}

/* Keep hero/aim images upright (override any theme rotations) */
.skill-image img,
.service-image img,
.teachers-image-column img,
.gallery-wrapper img,
.single-class-image img,
.single-blog-image img {
  transform: none !important;
  rotate: none;
  animation: none !important;
}

/* ==========================================================================
   Modern Executives Section - Compact Horizontal Scroll
   ========================================================================== */

.utag-executives-section {
  padding: 50px 0 55px;
  background: linear-gradient(135deg, #f8fafb 0%, #eef2f7 100%);
  overflow: hidden;
}

.utag-executives-section .section-title-wrapper {
  margin-bottom: 38px;
  padding-bottom: 18px;
}

.utag-executives-section .section-title-wrapper::after {
  background: #f1f4f8;
}

.utag-executives-section .section-title h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.utag-executives-section .section-title p {
  font-size: 13px;
  max-width: 520px;
  margin: 0 auto 24px;
  color: #666;
}

.utag-executives-scroll-wrapper {
  position: relative;
  margin: 0;
  padding: 0 40px;
}

.utag-executives-scroll {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 12px 4px 24px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.utag-executives-scroll::-webkit-scrollbar {
  display: none;
}

/* Navigation Arrows */
.utag-scroll-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: #1A3551;
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  box-shadow: 0 3px 12px rgba(26,53,81,0.25);
}

.utag-scroll-arrow:hover {
  background: #0d2540;
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 4px 16px rgba(26,53,81,0.35);
}

.utag-scroll-arrow:active {
  transform: translateY(-50%) scale(0.95);
}

.utag-scroll-arrow.disabled {
  opacity: 0.25;
  cursor: not-allowed;
  pointer-events: none;
}

.utag-scroll-prev {
  left: 2px;
}

.utag-scroll-next {
  right: 2px;
}

@media (max-width: 1200px) {
  .utag-scroll-prev {
    left: 0;
  }
  
  .utag-scroll-next {
    right: 0;
  }
}

@media (max-width: 768px) {
  .utag-executives-scroll-wrapper {
    margin: 0;
    padding: 0 32px;
  }
  
  .utag-scroll-arrow {
    width: 30px;
    height: 30px;
    font-size: 11px;
  }
  
  .utag-scroll-prev {
    left: 0;
  }
  
  .utag-scroll-next {
    right: 0;
  }
}

.utag-executive-card {
  flex: 0 0 210px;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  cursor: pointer;
  scroll-snap-align: start;
  border: 1px solid rgba(0,0,0,0.04);
}

.utag-executive-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.14);
  border-color: rgba(26,53,81,0.1);
}

.utag-executive-image {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: linear-gradient(180deg, #e8ecf0 0%, #d0d8e0 100%);
}

.utag-executive-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.5s ease;
}

.utag-executive-card:hover .utag-executive-image img {
  transform: scale(1.05);
}

.utag-executive-info {
  padding: 14px 12px 16px;
  text-align: center;
  background: #fff;
}

.utag-executive-info h4 {
  font-size: 13px;
  font-weight: 700;
  color: #1A3551;
  margin: 0 0 4px 0;
  line-height: 1.35;
  letter-spacing: 0.2px;
}

.utag-executive-position {
  display: block;
  font-size: 11px;
  color: #0066cc;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.utag-executive-dept {
  display: block;
  font-size: 10px;
  color: #999;
  margin-bottom: 10px;
}

.utag-executive-social {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 10px;
}

.utag-executive-social a {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #f0f2f5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1A3551;
  font-size: 11px;
  transition: all 0.25s ease;
  text-decoration: none;
}

.utag-executive-social a:hover {
  background: #1A3551;
  color: #fff;
  transform: translateY(-2px);
}

.utag-view-bio {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: #1A3551;
  font-weight: 600;
  padding-top: 8px;
  border-top: 1px solid #f0f0f0;
  transition: all 0.25s ease;
}

.utag-executive-card:hover .utag-view-bio {
  gap: 8px;
  color: #0066cc;
}

/* Responsive for executives scroll */
@media (max-width: 768px) {
  .utag-executives-section {
    padding: 35px 0 40px;
  }
  
  .utag-executives-section .section-title h3 {
    font-size: 19px;
  }
  
  .utag-executives-scroll {
    padding: 10px 2px 20px;
    gap: 14px;
  }
  
  .utag-executive-card {
    flex: 0 0 185px;
  }
  
  .utag-executive-image {
    height: 165px;
  }
  
  .utag-executive-info {
    padding: 10px 10px 12px;
  }
  
  .utag-executive-info h4 {
    font-size: 12px;
  }
  
  .utag-executive-position {
    font-size: 10px;
  }
}

@media (max-width: 480px) {
  .utag-executive-card {
    flex: 0 0 170px;
  }
  
  .utag-executive-image {
    height: 150px;
  }
  
  .utag-executive-info h4 {
    font-size: 11.5px;
  }
}

/* ==========================================================================
   Modern Aims Section
   ========================================================================== */

.utag-aims-section {
  padding: 70px 0;
  background: #fff;
}

.utag-aims-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin-top: 20px;
}

.utag-aim-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  padding: 30px 25px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.utag-aim-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #1A3551, #0066cc);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.utag-aim-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(1, 0, 78, 0.1);
  border-color: transparent;
}

.utag-aim-card:hover::before {
  transform: scaleX(1);
}

.utag-aim-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #1A3551 0%, #020080 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.utag-aim-icon i {
  font-size: 28px;
  color: #fff;
}

.utag-aim-card:hover .utag-aim-icon {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(1, 0, 78, 0.3);
}

.utag-aim-card h4 {
  font-size: 18px;
  font-weight: 600;
  color: #1A3551;
  margin-bottom: 12px;
}

.utag-aim-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* Responsive for aims grid */
@media (max-width: 991px) {
  .utag-aims-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 575px) {
  .utag-aims-section {
    padding: 50px 0;
  }
  
  .utag-aims-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .utag-aim-card {
    padding: 25px 20px;
  }
  
  .utag-aim-icon {
    width: 60px;
    height: 60px;
  }
  
  .utag-aim-icon i {
    font-size: 24px;
  }
}
}

/* Performance: Optimize image loading */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* Prevent cumulative layout shift */
.single-class-image,
.single-blog-image,
.teachers-image-column,
.gallery-wrapper .single-items {
  min-height: 200px;
  background: #f5f5f5;
}

/* Optimize carousel performance */
.owl-carousel .owl-item {
  will-change: transform;
  backface-visibility: hidden;
}

/* ==========================================================================
   News Section - Custom Design
   ========================================================================== */

.utag-news-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.utag-news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.utag-news-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.utag-news-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(1,0,78,0.15);
}

.utag-news-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.utag-news-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.utag-news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.utag-news-card:hover .utag-news-image img {
  transform: scale(1.1);
}

.utag-news-date {
  position: absolute;
  top: 15px;
  left: 15px;
  background: #1A3551;
  color: #fff;
  padding: 10px 15px;
  border-radius: 8px;
  text-align: center;
  line-height: 1.2;
}

.utag-news-date .day {
  display: block;
  font-size: 24px;
  font-weight: 700;
}

.utag-news-date .month {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.utag-news-date .year {
  display: block;
  font-size: 11px;
  opacity: 0.8;
}

.utag-news-content {
  padding: 25px;
}

.utag-news-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1A3551;
  margin-bottom: 12px;
  line-height: 1.4;
  min-height: 50px;
}

.utag-news-content p {
  color: #6c757d;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 15px;
}

.utag-read-more {
  color: #1A3551;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s ease;
}

.utag-news-card:hover .utag-read-more {
  gap: 12px;
}

.utag-news-footer {
  text-align: center;
  margin-top: 50px;
}

.utag-view-all-btn {
  display: inline-block;
  padding: 14px 40px;
  background: #1A3551;
  color: #fff;
  text-decoration: none;
  border-radius: 30px;
  font-weight: 600;
  transition: background 0.3s ease, transform 0.3s ease;
}

.utag-view-all-btn:hover {
  background: #020080;
  transform: translateY(-2px);
  color: #fff;
}

/* News Section Responsive */
@media (max-width: 768px) {
  .utag-news-section {
    padding: 50px 0;
  }
  
  .utag-news-header h2 {
    font-size: 28px;
  }
  
  .utag-news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 15px;
  }
  
  .utag-news-content h3 {
    min-height: auto;
  }
}

/* ==========================================================================
   News Page Styles
   ========================================================================== */

.utag-news-page {
  padding: 60px 0 80px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  min-height: 60vh;
}

/* Enhanced Pagination */
.utag-pagination {
  margin-top: 50px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.utag-pagination-list {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.utag-page-item {
  display: flex;
}

.utag-page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 15px;
  background: #fff;
  color: #1A3551;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.utag-page-link:hover {
  background: #1A3551;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(1,0,78,0.25);
}

.utag-page-item.active .utag-page-link {
  background: #1A3551;
  color: #fff;
  box-shadow: 0 5px 20px rgba(1,0,78,0.3);
}

.utag-page-item.disabled .utag-page-link {
  background: #e9ecef;
  color: #adb5bd;
  cursor: not-allowed;
  box-shadow: none;
}

.utag-page-item.disabled .utag-page-link:hover {
  transform: none;
  background: #e9ecef;
  color: #adb5bd;
}

.utag-page-nav .utag-page-link {
  background: #1A3551;
  color: #fff;
}

.utag-page-nav .utag-page-link:hover {
  background: #020080;
}

.utag-page-nav.disabled .utag-page-link {
  background: #dee2e6;
  color: #adb5bd;
}

.utag-page-ellipsis .utag-page-link {
  background: transparent;
  box-shadow: none;
  cursor: default;
  color: #6c757d;
}

.utag-page-ellipsis .utag-page-link:hover {
  background: transparent;
  transform: none;
  color: #6c757d;
}

.utag-pagination-info {
  color: #6c757d;
  font-size: 14px;
  font-weight: 500;
}

/* Empty State */
.utag-empty-state {
  text-align: center;
  padding: 80px 20px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.utag-empty-state i {
  font-size: 64px;
  color: #dee2e6;
  margin-bottom: 20px;
  display: block;
}

.utag-empty-state h3 {
  font-size: 24px;
  color: #1A3551;
  margin-bottom: 10px;
}

.utag-empty-state p {
  color: #6c757d;
  margin-bottom: 25px;
}

/* News Page Responsive */
@media (max-width: 768px) {
  .utag-news-page {
    padding: 40px 0 60px;
  }
  
  .utag-pagination {
    margin-top: 40px;
  }
  
  .utag-page-link {
    min-width: 40px;
    height: 40px;
    font-size: 14px;
  }
  
  .utag-pagination-list {
    gap: 5px;
  }
}

/* ==========================================================================
   Executives Page Grid Layout
   ========================================================================== */

.utag-executives-page {
  padding: 60px 0 80px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  min-height: 60vh;
}

.utag-executives-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 18px;
}

/* Override card styles for grid layout */
.utag-executives-page .utag-executive-card {
  flex: none;
  width: 100%;
}

/* Responsive */
@media (max-width: 992px) {
  .utag-executives-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .utag-executives-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

@media (max-width: 576px) {
  .utag-executives-page {
    padding: 30px 0 50px;
  }
  
  .utag-executives-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

/* ==========================================================================
   Modern VenoBox Lightbox Styling
   ========================================================================== */

/* Overlay - darker with blur */
.vbox-overlay {
  background: rgba(0, 0, 0, 0.92) !important;
}

/* Container */
.vbox-container {
  background: transparent !important;
  max-width: 90vw !important;
  padding: 20px !important;
}

/* Image content */
.vbox-content {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.vbox-content img {
  border-radius: 8px;
  max-height: 85vh;
}

/* Close button */
.vbox-close {
  background: transparent !important;
  width: 50px !important;
  height: 50px !important;
  top: 15px !important;
  right: 15px !important;
  text-indent: -9999px !important;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4) !important;
  transition: all 0.3s ease;
  cursor: pointer;
}

.vbox-close::after {
  content: '×';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 32px;
  font-weight: 300;
  color: #fff;
  text-indent: 0;
  line-height: 1;
}

.vbox-close:hover {
  background: #fff !important;
  border-color: #fff !important;
}

.vbox-close:hover::after {
  color: #000;
}

/* Navigation arrows */
.vbox-prev,
.vbox-next {
  background: transparent !important;
  width: 55px !important;
  height: 55px !important;
  border: 2px solid rgba(255, 255, 255, 0.4) !important;
  border-radius: 50% !important;
  margin-top: -27px !important;
  text-indent: -9999px !important;
  transition: all 0.3s ease;
  cursor: pointer;
}

.vbox-prev {
  left: 20px !important;
}

.vbox-next {
  right: 20px !important;
}

.vbox-prev::after,
.vbox-next::after {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'FontAwesome';
  font-size: 20px;
  color: #fff;
  text-indent: 0;
}

.vbox-prev::after {
  content: '\f104';
}

.vbox-next::after {
  content: '\f105';
}

.vbox-prev:hover,
.vbox-next:hover {
  background: #fff !important;
  border-color: #fff !important;
}

.vbox-prev:hover::after,
.vbox-next:hover::after {
  color: #000;
}

/* Title bar */
.vbox-title {
  background: rgba(0, 0, 0, 0.8) !important;
  font-size: 14px !important;
  font-weight: 400 !important;
  height: auto !important;
  padding: 12px 60px !important;
  top: 0 !important;
}

/* Counter/number */
.vbox-num {
  background: rgba(255, 255, 255, 0.15) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  padding: 8px 16px !important;
  border-radius: 0 0 6px 0 !important;
  height: auto !important;
}

/* Preloader */
.vbox-preloader {
  width: 40px !important;
  height: 40px !important;
  margin-left: -20px !important;
  margin-top: -20px !important;
  border: 3px solid rgba(255, 255, 255, 0.2) !important;
  border-top-color: #fff !important;
  border-radius: 50% !important;
  background: none !important;
  animation: utag-spin 0.8s linear infinite !important;
}

@keyframes utag-spin {
  to { transform: rotate(360deg); }
}

/* Mobile responsive */
@media (max-width: 768px) {
  .vbox-prev,
  .vbox-next {
    width: 44px !important;
    height: 44px !important;
    margin-top: -22px !important;
  }
  
  .vbox-prev {
    left: 10px !important;
  }
  
  .vbox-next {
    right: 10px !important;
  }
  
  .vbox-prev::after,
  .vbox-next::after {
    font-size: 18px;
  }
  
  .vbox-close {
    width: 44px !important;
    height: 44px !important;
    top: 10px !important;
    right: 10px !important;
  }
  
  .vbox-close::after {
    font-size: 26px;
  }
}

/* ==========================================================================
   Executive Cards - Text Casing
   ========================================================================== */

.utag-executive-card .utag-executive-info h4 {
  text-transform: uppercase;
  word-spacing: 1px;
}

.utag-executive-card .utag-executive-position {
  text-transform: capitalize;
  letter-spacing: 0.3px;
}