body {
        font-family: "Poppins", sans-serif;
        background: radial-gradient(circle at top left, #0a0a1a, #050510 80%);
        color: #fff;
        margin: 0;
        overflow-x: hidden;
      }

      main {
        padding: 80px 5%;
        min-height: 100vh;
      }

      h1 {
        text-align: center;
        font-size: 2.5rem;
        color: #1e90ff;
        margin-bottom: 40px;
      }

      /* ===== GALERIA ===== */
      .gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        justify-content: center;
      }

      .gallery-item {
        position: relative;
        border-radius: 16px;
        overflow: hidden;
        cursor: pointer;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
      }

      .gallery-item:hover {
        transform: scale(1.05);
        box-shadow: 0 10px 25px rgba(30, 144, 255, 0.3);
      }

      .gallery-item img,
      .gallery-item video {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 16px;
      }

      .gallery-item .overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(15, 15, 30, 0.6);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        transition: opacity 0.3s ease;
        font-size: 1.1rem;
        font-weight: 500;
      }

      .gallery-item:hover .overlay {
        opacity: 1;
      }

      /* ===== SLOGAN ===== */
      .slogan {
        text-align: center;
        margin-top: 60px;
        font-size: 1.3rem;
        color: #66a6ff;
        font-weight: 600;
        letter-spacing: 1px;
      }

      /* ===== POPUP ===== */
      .popup {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(5, 5, 10, 0.9);
        display: flex;
        align-items: center;
        justify-content: center;
        visibility: hidden;
        opacity: 0;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 1000;
      }

      .popup.active {
        visibility: visible;
        opacity: 1;
      }

      .popup img,
      .popup video {
        max-width: 90%;
        max-height: 80%;
        border-radius: 12px;
        box-shadow: 0 0 20px rgba(30, 144, 255, 0.4);
      }

      .popup span {
        position: absolute;
        top: 30px;
        right: 40px;
        font-size: 2rem;
        color: #fff;
        cursor: pointer;
      }

      @media (max-width: 600px) {
        h1 {
          font-size: 2rem;
        }
        .slogan {
          font-size: 1.1rem;
        }
      }