.cover {
      width: 100%;
      max-width: 100%;
      position: relative;
      padding: clamp(10px, 5vw, 10px);
      overflow: hidden;
     
    }

    .tagline {
      position: relative;
     
      color: #d32f2f;
      font-size: clamp(14px, 3.5vw, 18px);
      line-height: 1.4;
      max-width: clamp(150px, 35vw, 220px);
      font-weight: bold;
    }

    .credits {
      text-align: center;
      font-size: clamp(9px, 2.2vw, 18px);
      text-transform: uppercase;
      font-weight: bold;
      line-height: 1.4;
      color: black;
    }

    .title-core,
    .title-focus {
      font-family: 'Impact', 'Arial Black', sans-serif;
      font-weight: 700;
      text-align: center;
      color: #222;
      margin: 0;
      line-height: 0.85;
      font-size: clamp(50px, 22vw, 50px);
      
    }

    .red-bar {
      height: clamp(12px, 2.5vw, 22px);
      background-color: #d32f2f;
      width: 100%;
      margin: clamp(5px, 1.5vw, 10px) auto;
    }
.article h1 {
      font-size: clamp(28px, 6vw, 42px);
      font-weight: 800;
      color: #1a1a1a;
      margin-bottom: 24px;
      line-height: 1.2;
    }

    .article h2 {
      font-size: clamp(20px, 4.5vw, 28px);
      font-weight: 700;
      margin: 40px 0 20px;
      color: #d32f2f;
text-shadow: 2px 2px 2px rgba(0,0,0,1.0);

    }

    .article p {
      font-size: clamp(16px, 4vw, 18px);
      margin-bottom: 20px;
      color: #444;
    }

    .article blockquote {
      font-style: italic;
      padding: 16px 24px;
      margin: 24px 0;
      border-left: 4px solid #d32f2f;
      background-color: #fff8f8;
      color: #555;
    }

    .highlight {
      background-color: #fff3e0;
      padding: 2px 6px;
      border-radius: 4px;
      font-weight: 600;
    }
h3 {
      text-align: center;
      margin: 30px 0 40px;
      font-size: clamp(26px, 6vw, 36px);
      color: #c62828;
text-shadow: 2px 2px 2px rgba(0,0,0,2.0);

    }
    .exercise {
      background: white;
      padding: 24px;
      margin-bottom: 24px;
      border-radius: 12px;
      box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    }
    .exercise h2 {
      color: #d32f2f;
      margin-bottom: 12px;
      font-size: clamp(20px, 5vw, 24px);
    }
    .exercise p {
      font-size: clamp(16px, 4vw, 17px);
      color: #444;
    }
    .quote {
      text-align: center;
      font-style: italic;
      margin: 40px 0;
      padding: 20px;
      color: #555;
      font-size: clamp(18px, 5vw, 22px);
      border-left: 3px solid #d32f2f;
      border-right: 3px solid #d32f2f;
    }
    @media (max-width: 600px) {
      .container2 { padding: 0 10px; }
    }

    @media (max-width: 600px) {
      .article2 {
        padding: 24px 16px;
      }
    }

.circuit-container {
    font-family: Arial, sans-serif;
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #f9f9f9;
  }
  .circuit-title {
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #333;
  }
  .circuit-instructions {
    margin-bottom: 20px;
    font-style: italic;
    color: #555;
  }
  .circuit-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
  }
  .circuit-table th,
  .circuit-table td {
    padding: 10px;
    text-align: left;
    border: 1px solid #ccc;
  }
  .circuit-table th {
    background-color: #e0e0e0;
    font-weight: bold;
  }
  .exercise-step {
    margin-bottom: 10px;
    line-height: 1.5;
  }
 tr:nth-child(even) {
        background-color: #f2f2f2; /* Светло-серый */