/* Glossy "shine" effect for heading */
.shine-effect {
    position: relative;
    background: linear-gradient(120deg, #ffb793, #ff7a99, #ff4e50);
    background-size: 200%;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    animation: shine 4s linear infinite;
  }
  
  @keyframes shine {
    0% {
      background-position: 200% 0;
    }
    100% {
      background-position: -200% 0;
    }
  }
  
  /* About Section (timeline icons) */
  #timeline-line {
    height: 0;
    transition: height 2s ease-in-out;
  }
  #masters,
  #bachelors {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease-out, transform 1s ease-out;
  }
  #masters.opacity-100,
  #bachelors.opacity-100 {
    opacity: 1;
    transform: translateY(0);
  }
  #intro-paragraph {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease-out, transform 1s ease-out;
  }
  #intro-paragraph.opacity-100 {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* Skills Section (card) */
  .card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .card.appeared {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* Experience Section */
  #experience-timeline-line {
    height: 0;
    transition: height 2s ease-in-out;
  }
  
  /* Carousel Navigation Buttons */
  .swiper-button-next,
  .swiper-button-prev {
    position: absolute;
    top: 50%;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255);
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid transparent; /* Default border */
    transform: translateY(-50%);
    z-index: 10;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
  }
  
  .swiper-button-next:hover,
  .swiper-button-prev:hover {
    border-color: #ff4e50; /* Change border color on hover */
    transform: translateY(-60%); /* Move upwards slightly on hover */
  }
  
  .swiper-button-next {
    right: -50px;
  }
  .swiper-button-prev {
    left: -50px;
  }
  .swiper-button-next::after,
  .swiper-button-prev::after {
    font-size: 18px;
    color: #ff4e50; /* Icon color */
  }
  
  /* Icon Hover Swap */
  .icon-container {
    position: relative;
    width: 12px; /* Adjust based on your icon size */
    height: 12px;
  }
  .icon-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    transition: opacity 0.3s ease-in-out;
  }
  .icon-container .icon-default {
    opacity: 1;
  }
  .icon-container .icon-hover {
    opacity: 0;
  }
  a:hover .icon-default {
    opacity: 0;
  }
  a:hover .icon-hover {
    opacity: 1;
  }
  
  /* Fade-in-up Keyframes */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  .fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .fade-in-up.appeared {
    animation: fadeInUp 0.6s ease forwards;
  }
  
  /* Flip Card Functionality */
  .flip-card-inner.flipped {
    transform: rotateY(180deg) !important;
  }
  
  /* Flip Card Visual Enhancements */
  .flip-card {
    border: 2px solid transparent;
    border-radius: 0.75rem;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, #ff4e50, #ff867a, #328bfd) border-box;
    transition: all 0.3s ease;
  }
  
  .flip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(255, 78, 80, 0.2);
  }
  
  /* View Details Button with Icon Container */
  .btn-view-details {
    position: relative;
    overflow: hidden;
  }
  
  .btn-view-details .btn-icon-container {
    position: relative;
    width: 16px;
    height: 16px;
    display: inline-block;
    margin-left: 8px;
  }
  
  .btn-view-details .btn-icon-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    transition: opacity 0.3s ease-in-out;
  }
  
  .btn-view-details .btn-icon-default {
    opacity: 1;
  }
  
  .btn-view-details .btn-icon-hover {
    opacity: 0;
  }
  
  /* On hover: button bg becomes gradient (colorful), so show white/light icon */
  .btn-view-details:hover .btn-icon-default {
    opacity: 0;
  }
  
  .btn-view-details:hover .btn-icon-hover {
    opacity: 1;
  }