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

    body {
      background-color: #0d0d0d;
      color: #ffffff;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      padding: 20px;
    }

    .container {
      width: 100%;
      max-width: 1100px;
      background: radial-gradient(circle at center, #1a1a1a 0%, #080808 100%);
      border-radius: 16px;
      padding: 30px;
      position: relative;
      box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
      border: 1px solid #222;
      overflow: hidden;
    }

    /* Фоновый узор */
    .container::before {
      content: "";
      position: absolute;
      top: 50%;
      right: -100px;
      transform: translateY(-50%);
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    /* Верхнее меню */
    header {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 15px;
      margin-bottom: 40px;
      position: relative;
      flex-wrap: wrap;
    }

    .nav-btn {
      background: transparent;
      color: #cccccc;
      border: 1px solid transparent;
      padding: 8px 18px;
      border-radius: 8px;
      cursor: pointer;
      font-weight: bold;
      font-size: 13px;
      letter-spacing: 1px;
      transition: all 0.3s ease;
    }

    .nav-btn.active, .nav-btn:hover {
      border-color: #ffffff;
      color: #ffffff;
      box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
    }

    /* Переключатель языка */
    .lang-switcher {
      position: absolute;
      right: 0;
      top: 0;
      display: flex;
      align-items: center;
      gap: 6px;
      background: #151515;
      padding: 6px 12px;
      border-radius: 8px;
      border: 1px solid #333;
      cursor: pointer;
      font-size: 13px;
      font-weight: bold;
      user-select: none;
    }

    .lang-switcher:hover {
      border-color: #666;
    }

    /* Главный баннер */
    .hero {
      text-align: center;
      margin-bottom: 40px;
    }

    .hero h1 {
      font-size: 32px;
      font-weight: 900;
      letter-spacing: 1.5px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .hero p {
      color: #aaaaaa;
      font-size: 12px;
      max-width: 600px;
      margin: 0 auto;
      line-height: 1.5;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    /* Сетка карточек */
    .grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }

    .card {
      background: rgba(20, 20, 20, 0.8);
      border: 1.5px solid #ffffff;
      border-radius: 12px;
      padding: 20px;
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 140px;
      box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
    }

    .card:hover {
      transform: translateY(-3px);
      box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    }

    .card-title {
      font-size: 16px;
      font-weight: bold;
      margin-bottom: 6px;
      text-transform: uppercase;
    }

    .card-subtitle {
      color: #888888;
      font-size: 11px;
      text-transform: uppercase;
    }

    .card-icon {
      font-size: 24px;
      margin-top: 15px;
    }

    /* Нижняя кнопка */
    .action-container {
      text-align: center;
    }

    .main-btn {
      background: #ffffff;
      color: #000000;
      border: none;
      padding: 12px 28px;
      border-radius: 8px;
      font-weight: bold;
      font-size: 12px;
      letter-spacing: 1px;
      cursor: pointer;
      box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
      transition: all 0.2s ease;
    }

    .main-btn:hover {
      background: #e6e6e6;
      box-shadow: 0 0 25px rgba(255, 255, 255, 0.6);
    }

    /* МОДАЛЬНОЕ ОКНО ДЛЯ ИНФОРМАЦИИ/ОТВЕТОВ */
    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.85);
      display: flex;
      justify-content: center;
      align-items: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
      z-index: 1000;
      padding: 20px;
    }

    .modal-overlay.active {
      opacity: 1;
      pointer-events: all;
    }

    .modal-content {
      background: #181818;
      border: 1px solid #ffffff;
      border-radius: 12px;
      padding: 30px;
      max-width: 600px;
      width: 100%;
      position: relative;
      box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
    }

    .modal-title {
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 15px;
      text-transform: uppercase;
      color: #ffffff;
      border-bottom: 1px solid #333;
      padding-bottom: 10px;
    }

    .modal-body {
      font-size: 14px;
      line-height: 1.6;
      color: #dddddd;
      margin-bottom: 25px;
    }

    .close-btn {
      background: #ffffff;
      color: #000000;
      border: none;
      padding: 8px 20px;
      border-radius: 6px;
      font-weight: bold;
      cursor: pointer;
      float: right;
    }

    .close-btn:hover {
      background: #cccccc;
    }

    @media (max-width: 768px) {
      .grid {
        grid-template-columns: 1fr;
      }
      .lang-switcher {
        position: relative;
        margin-top: 10px;
      }
    }