body.loading-mode {
    overflow: hidden;
  }

  #welcomeOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom right, #fdfcff, #e4e7ff);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s ease;
  }

  #welcomeOverlay h1 {
    font-size: 28px;
    margin-bottom: 20px;
    font-weight: 700;
    color: #333;
  }

  #userName {
    padding: 12px 18px;
    font-size: 16px;
    border-radius: 8px;
    border: 1px solid #ccc;
    outline: none;
    min-width: 240px;
  }

  #enterBtn {
    margin-top: 20px;
    padding: 12px 32px;
    border: none;
    border-radius: 50px;
    background: #4f46e5;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: none;
    position: relative;
    overflow: hidden;
    transition: background 0.3s ease;
  }

  #enterBtn:hover {
    background: #3730a3;
  }

  .bubble {
    position: absolute;
    bottom: 0;
    width: 12px;
    height: 12px;
    background: #4f46e5;
    border-radius: 50%;
    opacity: 0.8;
    animation: floatUp 2s ease-out forwards;
    pointer-events: none;
  }

  @keyframes floatUp {
    0% {
      transform: translateY(0) scale(1);
      opacity: 1;
    }

    100% {
      transform: translateY(-150px) scale(0.6);
      opacity: 0;
    }
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
  }

  :root {
    --bg: #fff;
    --text: #333;
    --card: #fff;
  }

  [data-theme="dark"] {
    --bg: #121212;
    --text: #eee;
    --card: #1e1e1e;
  }

  body {
    background: var(--bg);
    color: var(--text);
    transition: 0.3s;
  }

  header,
  footer,
  .section {
    background: var(--card);
    transition: 0.3s;
  }

  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  }

  .logo {
    font-weight: 700;
    font-size: 24px;
    color: #4f46e5;
  }

  nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
  }

  nav a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: 0.3s;
  }

  nav a:hover {
    color: #4f46e5;
  }

  .cta {
    background: #4f46e5;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
  }

  .cta:hover {
    background: #3730a3;
  }

  .hamburger {
    display: none;
    font-size: 24px;
    cursor: pointer;
  }

  .mobile-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    right: 10%;
    background: var(--card);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
  }

  .mobile-menu.show {
    display: flex;
  }

  @media (max-width: 768px) {
    nav ul {
      display: none;
    }

    .hamburger {
      display: block;
    }
  }

  .hero {
    padding: 60px 10%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #f3f4f6, #fff6f9);
  }

  .hero-text {
    flex: 1;
  }

  .hero-text h1 {
    font-size: 42px;
  }

  .hero-text span {
    color: #4f46e5;
  }

  .typing-text {
    color: #4f46e5;
    font-weight: 600;
    font-size: 18px;
    height: 24px;
    margin-top: 5px;
  }

  .hero-buttons a {
    margin: 10px 10px 0 0;
    display: inline-block;
  }

  .hero-img {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
  }

  header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg);
    /* ya white */
  }


  .hero-img img {
    max-width: 300px;
    border-radius: 50%;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    padding: 10px;
    background: radial-gradient(circle at 50% 30%, #dcd7ff, #ffffff);


    transform: translateX(0px);
    /* left shift: -10px | right shift: +10px */
    transition: transform 0.3s ease;
    /* smooth shift effect */
  }

  .hero-socials {
    margin-top: 15px;
    display: flex;
    gap: 15px;
  }

  .hero-socials a {
    text-decoration: none;
    font-size: 20px;
    color: #4f46e5;
  }

  .reveal-slide {
    opacity: 0;
    transform: translateY(80px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .reveal-slide.active {
    opacity: 1;
    transform: translateY(0);
  }

  .slide-img {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease-out;
  }

  .slide-img.active {
    opacity: 1;
    transform: translateY(0);
  }

  .accordion-item {
    border: 1px solid #ccc;
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
    background: var(--card);
    transition: all 0.3s ease;
  }

  .accordion-title {
    width: 100%;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 600;
    background: #f3f3f3;
    color: #333;
    border: none;
    text-align: left;
    cursor: pointer;
    outline: none;
  }

  [data-theme="dark"] .accordion-title {
    background: #252525;
    color: #eee;
  }

  .accordion-content {
    max-height: 0;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    padding: 0 20px;
    transition: max-height 0.3s ease, padding 0.3s ease;
  }

  .accordion-item.active .accordion-content {
    max-height: 300px;
    padding: 15px 20px;
  }

  body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f9f9f9;
    height: 300vh;
    /* Scroll test for height */
  }

  .certificate-section {
    padding: 50px 20px;
    text-align: center;
    opacity: 0;
    /* Start में hide */
    transform: translateY(100px);
    transition: opacity 1s ease, transform 1s ease;
    pointer-events: none;
  }

  .certificate-section.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .certificate-section h2 {
    font-size: 36px;
    color: #007BFF;
    /* Blue heading */
    margin-bottom: 30px;
    font-weight: 600;
    letter-spacing: 1px;
  }

  .certificate-card {
    position: relative;
    display: inline-block;
    max-width: 700px;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    z-index: 1;
    margin: 0 auto;
    transition: transform 0.4s ease;
  }

  .certificate-card img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
  }

  .project-card {
    background: var(--card);
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
  }

  .project-card h3 {
    margin-bottom: 10px;
    color: var(--text);
  }

  .project-card p {
    font-size: 15px;
    color: var(--text);
    margin-bottom: 15px;
  }

  .project-card a {
    display: inline-block;
    text-decoration: none;
    font-weight: 500;
    color: #4f46e5;
    padding: 8px 16px;
    border: 2px solid #4f46e5;
    border-radius: 25px;
    transition: 0.3s;
  }

  .project-card a:hover {
    background: #4f46e5;
    color: white;
  }

  .reveal-init {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
  }

  .reveal {
    opacity: 1 !important;
    transform: translateY(0) !important;
  }

  [data-theme="dark"] .reason-box {
    background: #1f1f1f;
    color: #eee;
  }

  @keyframes popIn {
    from {
      transform: scale(0.7);
      opacity: 0;
    }

    to {
      transform: scale(1);
      opacity: 1;
    }
  }

  .testimonial-box {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    font-size: 15px;
    line-height: 1.6;
    transition: 0.3s;
  }

  .testimonial-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  }

  .testimonial-box h4 {
    margin-top: 10px;
    font-size: 14px;
    color: #4f46e5;
  }

  [data-theme="dark"] .testimonial-box {
    background: #1f1f1f;
    color: #ddd;
  }