Base styles */ * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  html,
  body {
    height: 100%;
  }

  .wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #ffffff;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
  }

  /* Hero section */
  .hero {
    text-align: center;
    padding: 100px 20px;
    background: radial-gradient(circle, #000000 0%, #111111 100%);
    position: relative;
  }

  .hero h1 {
    font-size: 2.5rem;
    color: #ffffff;
  }

  .bg-text {
    color: #00ff41;
    font-weight: bold;
  }

  .subtitle {
    margin-top: 1rem;
    font-size: 1.2rem;
    color: white;
  }

  .cta-button {
    display: inline-block;
    margin-top: 2rem;
    padding: 14px 32px;
    background-color: #00ff41;
    color: #000000;
    text-decoration: none;
    font-weight: bold;
    border-radius: 8px;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 0 10px #00ff41;
  }

  .cta-button:hover {
    background-color: #00cc33;
    box-shadow: 0 0 20px #00ff41;
  }

  /* Description section */
  .ctf-info {
    display: flex;
    text-align: center;
    gap: 40px;
    padding: 80px 100px;
    background: radial-gradient(circle, #000000 0%, #111111 100%);
  }

  .ctf-info h1 {
    margin-bottom: 40px;
    font-size: 2rem;
  }

  .ctf-info h1 span {
    color: #00ff41;
  }

  .description {
    text-align: center;
    font-size: 1rem;
  }

  .description span {
    color: #00ff41;
  }

  /* Features section */
  .features {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    padding: 80px 20px;
    background: radial-gradient(circle, #000000 0%, #111111 100%);
    position: relative;
  }

  .feature {
    max-width: 400px;
    text-align: center;
    
    
  }

  .feature h2 {
    color: #00ff41;
    margin-bottom: 10px;
  }

  /* Footer */
  footer {
    text-align: center;
    padding: 20px;
    background-color: #000000;
    color: #666666;
    font-size: 0.9rem;
  }

  .catalog-header {
    text-align: center;
    padding: 60px 20px;
    background-color: #0d0d0d;
    color: #00ff41;
  }

  .catalog-header p {
    color: #ccc;
    margin-top: 10px;
  }

  /*catalog.html*/
  /* Общи настройки */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Arial', sans-serif;
    background-color: #121212;
    color: #fff;
  }

  /* Заглавие на каталога */
  .catalog-header {
    position: relative;
    text-align: center;
    padding: 40px 20px;
    background: black;
  }

  .catalog-header img {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    max-width: 80px;
    /* регулирай размера */
  }

  .catalog-header h1 {
    font-size: 2rem;
    font-weight: 600;
    color: white;
    margin: 0;
  }


  /* Каталог */
  .ctf-catalog {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    padding: 60px 20px;
    
  }

  .ctf-card {
    background: radial-gradient(circle, #000000 0%, #111111 100%);
    border-radius: 16px;
    width: 280px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 255, 65, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .ctf-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(0, 255, 65, 0.3);
  }

  .ctf-card h2 {
    margin-bottom: 20px;
    font-size: 1.6rem;
  }

  .ctf-card p {
    color: #ddd;
    margin-bottom: 20px;
    font-size: 1rem;
  }

  .ctf-card img.ctf-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(0, 255, 65, 0.1);
  }

  .ctf-card .download-btn {
    display: inline-block;
    background-color: #00ff41;
    padding: 12px 24px;
    color: #121212;
    font-weight: bold;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s;
    font-size: 1rem;
  }

  .ctf-card .download-btn:hover {
    background-color: #00cc33;
    transform: scale(1.05);
  }


  /* Респонсивен дизайн - за малки екрани */
  @media (max-width: 768px) {
    .ctf-catalog {
      flex-direction: column;
      align-items: center;
    }

    .ctf-card {
      width: 90%;
    }
  }

  .walkthrough {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 1rem;
    height: 100%;
    color: #ffffff;
    font-size: 1.6rem;
    font-weight: bold;
  }

  .walkthrough h2{
    text-align: center;
  }
  .walkthrough p {
    margin-top: 1rem;
  }

  .walkthrough a{
    text-decoration: none;
    color: black;
  }
  .walkthrough span{
    color: #00ff41;
  }

  .noSelect{
    display: inline-block;
    padding: 14px 32px;
    background-color: #00ff41;
    border-radius: 8px;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 0 10px #00ff41;
  }

  .noSelect:hover{
    background-color: #00cc33;
    box-shadow: 0 0 20px #00ff41;
  }