.bottom-nav {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--accordion-header-bg);
        backdrop-filter: blur(15px);
        padding: 15px 30px;
        border-radius: 50px;
        display: flex;
        gap: 30px;
        border: 1px solid var(--nav-white-border);
        box-shadow: 0 10px 30px var(--shadow-heavy);
        z-index: 1000;
      }
      .bottom-nav a {
        color: var(--nav-text);
        font-size: 1.2rem;
        transition: all 0.3s;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
      }
      .bottom-nav a:hover,
      .bottom-nav a.active {
        color: var(--accent-color);
        transform: scale(1.1);
      }
      .bottom-nav a.active::after {
        content: "";
        position: absolute;
        bottom: -5px;
        left: 50%;
        transform: translateX(-50%);
        width: 5px;
        height: 5px;
        background: var(--nav-active-dot);
        border-radius: 50%;
      }

       .btn-print {
        background: white;
        color: black;
        position: fixed;
        bottom: 20px;
        padding: 15px;
        right: 5px;
        border: none;
        border-radius: 5px 12px 12px 5px;
      }
      .btn-print:hover {
        background: var(--accent-hover);
      }
      @media print {
        .bottom-nav {
          display: none !important;
        }
        body {
          padding-bottom: 0;
        }
      }