.bn404-section {
        min-height: 75vh;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 60px 20px;
        background: linear-gradient(135deg,
            #fff4e5 0%,
            #ffffff 50%,
            #eef9ee 100%);
        font-family: "Poppins", sans-serif;
        position: relative;
        overflow: hidden;
      }

      /* Soft Background Glow */

      .bn404-section::before,
      .bn404-section::after {
        content: "";
        position: absolute;
        border-radius: 50%;
        filter: blur(90px);
        z-index: 0;
      }

      .bn404-section::before {
        width: 260px;
        height: 260px;
        background: rgba(255, 153, 51, 0.18);
        top: -120px;
        left: -120px;
      }

      .bn404-section::after {
        width: 280px;
        height: 280px;
        background: rgba(19, 136, 8, 0.15);
        bottom: -120px;
        right: -120px;
      }

      .bn404-section>* {
        position: relative;
        z-index: 2;
      }

      .bn404-tag {
        display: inline-block;
        padding: 8px 18px;
        border-radius: 30px;
        background: rgba(255, 153, 51, 0.12);
        color: #ff7a00;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 2px;
        margin-bottom: 18px;
      }

      /* Big 404 */

      .bn404-number {
        font-size: clamp(90px, 18vw, 180px);
        font-weight: 900;
        line-height: 1;
        margin: 0;
        background: linear-gradient(135deg, #ff9933, #0b3d91, #138808);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        animation: bn404Float 3s ease-in-out infinite;
      }

      @keyframes bn404Float {

        0%,
        100% {
          transform: translateY(0);
        }

        50% {
          transform: translateY(-8px);
        }
      }

      .bn404-section h2 {
        font-size: clamp(28px, 5vw, 42px);
        color: #0b2a5a;
        margin: 18px 0 12px;
        font-weight: 800;
      }

      .bn404-line {
        width: 85px;
        height: 4px;
        background: linear-gradient(90deg, #ff9933, #138808);
        border-radius: 20px;
        margin: 18px auto 25px;
      }

      .bn404-section p {
        max-width: 560px;
        color: #555;
        line-height: 1.8;
        font-size: 16px;
        margin-bottom: 35px;
      }

      /* Buttons */

      .bn404-buttons {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
      }

      .bn404-home-btn,
      .bn404-call-btn {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 15px 28px;
        border-radius: 14px;
        text-decoration: none;
        font-weight: 700;
        transition: 0.35s;
      }

      .bn404-home-btn {
        background: linear-gradient(90deg, #ff9933, #138808);
        color: #fff;
      }

      .bn404-call-btn {
        background: #fff;
        color: #111;
        border: 1px solid rgba(0, 0, 0, 0.12);
      }

      .bn404-home-btn:hover,
      .bn404-call-btn:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 25px rgba(255, 153, 51, 0.25);
      }

      /* Mobile */

      @media (max-width: 768px) {
        .bn404-section {
          padding: 50px 20px;
        }

        .bn404-section p {
          font-size: 15px;
        }

        .bn404-buttons {
          flex-direction: column;
          width: 100%;
          max-width: 320px;
        }

        .bn404-home-btn,
        .bn404-call-btn {
          justify-content: center;
          width: 100%;
        }
      }