/* Buttons and interactive controls */

    .nav-cta {
      padding: 12px 28px;
      background: var(--primary);
      color: var(--white);
      text-decoration: none;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.9rem;
      transition: all 0.3s ease;
    }

    .nav-cta:hover {
      background: var(--primary-light);
      transform: translateY(-2px);
      box-shadow: 0 10px 30px rgba(0, 166, 81, 0.4);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding: 18px 36px;
      font-family: var(--font-body);
      font-size: 1rem;
      font-weight: 600;
      text-decoration: none;
      border-radius: 60px;
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
      color: var(--white);
      box-shadow: 0 20px 40px rgba(0, 166, 81, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-4px) scale(1.02);
      box-shadow: 0 30px 60px rgba(0, 166, 81, 0.4);
    }

    .btn-outline {
      background: transparent;
      color: var(--white);
      border: 2px solid rgba(255,255,255,0.3);
    }

    .btn-outline:hover {
      background: var(--white);
      color: var(--dark);
      border-color: var(--white);
    }

    .btn-submit {
      width: 100%;
      padding: 20px;
      font-size: 1.1rem;
    }

    /* Кнопки навигации */
    .nav-btn {
      width: 60px;
      height: 60px;
      background: var(--glass);
      border: 2px solid var(--glass-border);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .nav-btn::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .nav-btn svg {
      width: 24px;
      height: 24px;
      position: relative;
      z-index: 1;
      transition: transform 0.3s ease;
    }

    .nav-btn:hover {
      border-color: var(--primary);
      transform: scale(1.1);
    }

    .nav-btn:hover::before {
      opacity: 1;
    }

    .nav-btn:hover svg {
      transform: translateX(-3px);
    }

    .nav-btn.next-btn:hover svg {
      transform: translateX(3px);
    }

    .nav-btn:active {
      transform: scale(0.95);
    }

    .nav-btn:disabled {
      opacity: 0.3;
      cursor: not-allowed;
    }

    .nav-btn:disabled:hover {
      transform: none;
      border-color: var(--glass-border);
    }

    .nav-btn:disabled::before {
      display: none;
    }

    /* Навигация сверху */
    .slider-nav-top {
      display: flex;
      gap: 12px;
    }

    .nav-arrow {
      width: 45px;
      height: 45px;
      background: var(--glass);
      border: 1px solid var(--glass-border);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      font-size: 1rem;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .nav-arrow::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .nav-arrow i {
      position: relative;
      z-index: 1;
    }

    .nav-arrow:hover {
      border-color: var(--primary);
      transform: scale(1.1);
    }

    .nav-arrow:hover::before {
      opacity: 1;
    }

    .nav-arrow:active {
      transform: scale(0.95);
    }

    .nav-arrow:disabled {
      opacity: 0.3;
      cursor: not-allowed;
      transform: none;
    }

    .nav-arrow:disabled::before {
      display: none;
    }

    /* Компактная кнопка */
    .career-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      width: 100%;
      padding: 12px;
      background: transparent;
      border: 1px solid var(--primary);
      border-radius: 12px;
      color: var(--primary);
      font-family: var(--font-body);
      font-size: 0.9rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .career-btn::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      transform: translateX(-100%);
      transition: transform 0.3s ease;
    }

    .career-btn span,
    .career-btn i {
      position: relative;
      z-index: 1;
      transition: all 0.3s ease;
    }

    .career-btn:hover {
      color: var(--white);
      border-color: var(--primary);
    }

    .career-btn:hover::before {
      transform: translateX(0);
    }

    .career-btn:hover i {
      transform: translateX(3px);
    }

    .career-btn.cta-btn {
      border-color: var(--accent);
      color: var(--accent);
      margin-top: 70px;
    }

    .career-btn.cta-btn::before {
      background: linear-gradient(135deg, var(--accent), #ffb700);
    }

    .career-btn.cta-btn:hover {
      color: var(--dark);
    }

    .btn-submit:disabled {
      cursor: not-allowed;
      opacity: 0.85;
    }

    .btn-submit.is-success {
      background: linear-gradient(135deg, #00D26A, #00A651);
    }

    .notification {
      position: fixed;
      bottom: 30px;
      right: 30px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 15px 25px;
      border-radius: 12px;
      background: linear-gradient(135deg, #00A651, #00D26A);
      color: var(--white);
      font-weight: 600;
      font-size: 0.95rem;
      box-shadow: 0 15px 30px rgba(0, 166, 81, 0.3);
      z-index: 10000;
      opacity: 0;
      transform: translateX(400px);
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      pointer-events: none;
    }

    .notification.is-visible {
      opacity: 1;
      transform: translateX(0);
    }

    @media (max-width: 640px) {
      .nav-btn {
        width: 50px;
        height: 50px;
      }

      .nav-btn svg {
        width: 20px;
        height: 20px;
      }
    }