:root {
      --post-yellow: #eedc00;
      --post-blue: #0047bb;
      --body-bg: #fcfcfc;
      --card-bg: #ffffff;
      --text-dark: #333333;
    }

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

    body {
      background-color: var(--body-bg);
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--text-dark);
      line-height: 1.5;
      padding: 20px;
    }

    /* ========== БАННЕР ========== */
    .survey-banner-container {
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 20px;
      margin-bottom: 40px;
    }

    .survey-banner {
      background: linear-gradient(135deg, var(--post-yellow) 0%, #ffed4e 100%);
      max-width: 1300px;
      width: 100%;
      border-radius: 20px;
      overflow: hidden;
      position: relative;
      box-shadow: 0 15px 50px rgba(0, 71, 187, 0.25);
      display: flex;
      align-items: center;
      padding: 40px;
      gap: 40px;
      transition: transform 0.4s ease;
    }

    .survey-banner:hover {
      transform: translateY(-5px);
    }

    .banner-decor {
      position: absolute;
      z-index: 0;
      border-radius: 50%;
      filter: blur(25px);
    }

    .decor-circle-1 {
      top: -60px;
      left: -60px;
      width: 180px;
      height: 180px;
      background: rgba(255, 255, 255, 0.4);
    }

    .decor-circle-2 {
      bottom: -40px;
      right: -40px;
      width: 150px;
      height: 150px;
      background: rgba(0, 71, 187, 0.15);
    }

    .brand-badge {
      position: relative;
      z-index: 2;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(255, 255, 255, 0.5);
      color: var(--post-blue);
      padding: 10px 25px;
      border-radius: 30px;
      font-weight: 700;
      font-size: 1.1rem;
      backdrop-filter: blur(10px);
      border: 2px solid rgba(255, 255, 255, 0.7);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      margin-bottom: 25px;
    }

    .banner-title {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--post-blue);
      margin: 0 0 20px 0;
      line-height: 1.2;
      position: relative;
      z-index: 2;
    }

    .offer-highlight {
      position: relative;
      z-index: 2;
      background: linear-gradient(135deg, var(--post-blue) 0%, #002a70 100%);
      color: #ffffff;
      padding: 28px 45px;
      border-radius: 18px;
      display: inline-block;
      margin: 25px 0;
      box-shadow: 0 10px 30px rgba(0, 71, 187, 0.4);
      animation: float 3s ease-in-out infinite;
      border: 3px solid #ffd700;
      text-align: center
    }

    @keyframes float {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-12px); }
    }

    .offer-highlight .amount {
      font-size: 3.2rem;
      font-weight: 900;
      letter-spacing: -2px;
      display: block;
      margin-bottom: 8px;
    }

    .offer-highlight .label {
      font-size: 1.3rem;
      font-weight: 600;
      opacity: 0.95;
    }

    .banner-details {
      color: var(--post-blue);
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 30px;
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .banner-details::before {
      content: '✓';
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      background: rgba(255, 255, 255, 0.7);
      border-radius: 50%;
      font-weight: bold;
      color: var(--post-blue);
      font-size: 1.1rem;
    }

    .banner-details small {
      display: block;
      font-size: 0.95rem;
      font-weight: 400;
      opacity: 0.85;
      margin-top: 6px;
    }

    .cta-button {
      position: relative;
      z-index: 2;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      background: linear-gradient(135deg, var(--post-blue) 0%, #002a70 100%);
      color: #ffffff;
      text-decoration: none;
      padding: 22px 55px;
      border-radius: 55px;
      font-weight: 800;
      font-size: 1.4rem;
      text-transform: uppercase;
      transition: all 0.3s ease;
      box-shadow: 0 10px 30px rgba(0, 71, 187, 0.5);
      border: 3px solid #ffffff;
      cursor: pointer;
      overflow: hidden;
      min-width: 280px;
    }

    .cta-button::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
      transition: left 0.8s ease;
    }

    .cta-button:hover::before {
      left: 100%;
    }

    .cta-button:hover {
      transform: translateY(-4px);
      box-shadow: 0 15px 40px rgba(0, 71, 187, 0.6);
      background: linear-gradient(135deg, #003696 0%, #002050 100%);
    }

    .cta-button:active {
      transform: translateY(0);
    }

    .cta-icon {
      display: inline-block;
      font-size: 1.8rem;
      transition: transform 0.3s ease;
    }

    .cta-button:hover .cta-icon {
      transform: translateX(8px);
    }

    /* ========== МОДАЛЬНОЕ ОКНО ========== */
    .survey-modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.75);
      z-index: 1000;
      justify-content: center;
      align-items: center;
      padding: 20px;
    }

    .survey-modal-content {
      background: var(--card-bg);
      width: 100%;
      max-width: 700px;
      border-radius: 24px;
      box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
      position: relative;
      overflow: hidden;
      transform: scale(0.95);
      opacity: 0;
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .survey-modal-content.active {
      transform: scale(1);
      opacity: 1;
    }

    .survey-close {
      position: absolute;
      top: 25px;
      right: 25px;
      background: none;
      border: none;
      font-size: 2.5rem;
      color: #999;
      cursor: pointer;
      z-index: 10;
      transition: color 0.3s ease;
      width: 45px;
      height: 45px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .survey-close:hover {
      color: var(--post-blue);
      background: rgba(0, 71, 187, 0.05);
    }

    .survey-modal-header {
      background: linear-gradient(135deg, var(--post-blue) 0%, #002a70 100%);
      color: white;
      padding: 35px 40px 25px;
      position: relative;
      text-align: center;
    }

    .survey-modal-title {
      font-size: 2.1rem;
      font-weight: 800;
      margin-bottom: 15px;
      text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .survey-progress {
      height: 10px;
      background: rgba(255, 255, 255, 0.2);
      border-radius: 5px;
      overflow: hidden;
      margin-top: 15px;
    }

    .survey-progress-bar {
      height: 100%;
      background: var(--post-yellow);
      border-radius: 5px;
      width: 0%;
      transition: width 0.5s ease;
      box-shadow: 0 0 10px rgba(238, 220, 0, 0.7);
    }

    #surveyContent {
      padding: 40px;
      min-height: 300px;
    }

    .survey-question {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--post-blue);
      margin-bottom: 30px;
      line-height: 1.4;
    }

    .survey-options {
      display: grid;
      grid-template-columns: 1fr;
      gap: 15px;
      margin-top: 10px;
    }

    .survey-option {
      background: #f8f9fa;
      border: 2px solid #e0e0e0;
      border-radius: 16px;
      padding: 20px 25px;
      font-size: 1.15rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      text-align: center;
      color: var(--text-dark);
    }

    .survey-option:hover {
      border-color: var(--post-yellow);
      transform: translateY(-2px);
      background: #fff9e6;
    }

    .survey-option.selected {
      background: var(--post-yellow);
      border-color: var(--post-blue);
      color: var(--post-blue);
      font-weight: 700;
      box-shadow: 0 5px 15px rgba(0, 71, 187, 0.2);
    }

    .survey-input {
      width: 100%;
      padding: 18px 20px;
      border: 2px solid #ddd;
      border-radius: 16px;
      font-size: 1.1rem;
      margin-top: 15px;
      transition: border-color 0.3s ease;
    }

    .survey-input:focus {
      outline: none;
      border-color: var(--post-blue);
      box-shadow: 0 0 0 3px rgba(0, 71, 187, 0.15);
    }

    .survey-navigation {
      display: flex;
      justify-content: space-between;
      padding: 25px 40px;
      background: #f9f9f9;
      border-top: 1px solid #eee;
      gap: 15px;
    }

    .survey-btn {
      flex: 1;
      padding: 18px;
      border: none;
      border-radius: 18px;
      font-size: 1.2rem;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .survey-btn-prev {
      background: #e9ecef;
      color: #495057;
    }

    .survey-btn-prev:hover:not(:disabled) {
      background: #dee2e6;
      transform: translateX(-3px);
    }

    .survey-btn-next {
      background: linear-gradient(135deg, var(--post-blue) 0%, #002a70 100%);
      color: white;
      box-shadow: 0 6px 18px rgba(0, 71, 187, 0.4);
    }

    .survey-btn-next:hover:not(:disabled) {
      transform: translateX(3px);
      box-shadow: 0 8px 25px rgba(0, 71, 187, 0.55);
    }

    .survey-btn:disabled {
      opacity: 0.6;
      cursor: not-allowed;
      transform: none;
    }

    .survey-btn-prev:disabled {
      background: #f1f3f5;
    }

    /* Адаптивность */
    @media (max-width: 968px) {
      .survey-banner {
        flex-direction: column;
        text-align: center;
        padding: 35px 25px;
      }

      .banner-title {
        font-size: 2rem;
      }

      .offer-highlight .amount {
        font-size: 2.8rem;
      }

      .cta-button {
        width: 100%;
        padding: 20px;
      }
    }

    @media (max-width: 600px) {
      .survey-modal-content {
        max-width: 95%;
        border-radius: 20px;
      }

      .survey-modal-header {
        padding: 25px 20px 20px;
      }

      .survey-modal-title {
        font-size: 1.8rem;
      }

      #surveyContent {
        padding: 30px 25px;
      }

      .survey-question {
        font-size: 1.45rem;
      }

      .survey-option {
        padding: 18px 20px;
        font-size: 1.1rem;
      }

      .survey-navigation {
        flex-direction: column;
        padding: 25px;
      }

      .survey-btn {
        padding: 16px;
      }

      .survey-btn-prev {
        order: 2;
      }

      .survey-btn-next {
        order: 1;
        margin-bottom: 15px;
      }

      .banner-title {
        font-size: 1.7rem;
      }

      .offer-highlight {
        padding: 22px 35px;
      }

      .offer-highlight .amount {
        font-size: 2.3rem;
      }

      .offer-highlight .label {
        font-size: 1.15rem;
      }

      .banner-details {
        font-size: 1.05rem;
      }
    }