body {
      margin: 0;
      font-family: 'Poppins', 'Open Sans', Arial, Tahoma, sans-serif;
    }

    .ref1-popis {
      text-align: center;
      color: #777;
/*      border: 1px dashed red; */
    }

    h1.ref1-popis {
      font-size: 2rem;
      margin-bottom: 2rem;
    }

    p.ref1-popis {
      font-size: 1rem;
      margin-bottom: 1rem;
      line-height: 0.8;
    }

    p.ref1-popis:last-of-type {
      margin-bottom: 4rem; /* alebo 4rem, podľa potreby */
    }

    .ref1-body {
      padding: 2rem;
      background-color: #f0f0f0;
    }

    h1 {
      text-align: left;
      margin-bottom: 2rem;
    }

    .ref1-grid1 {
      display: grid;
      grid-template-columns: 1fr 1fr;
    }

    .ref1-grid2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    grid-template-areas:
        "p1 t2"
        "t1 p2";
    width: 100%;
    aspect-ratio: 1 / 1;
    }

    .ref1-p1 { grid-area: p1; }
    .ref1-p2 { grid-area: p2; }
    .ref1-t1 { grid-area: t1; }
    .ref1-t2 { grid-area: t2; }
    
    .ref1-p1, .ref1-p2,
    .ref1-t1, .ref1-t2 {
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .ref1-p1 img,
    .ref1-p2 img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .ref1-text {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
      width: 100%;
    }

    /* Spoločné vlastnosti pre t1 a t2 */
    .ref1-t1,
    .ref1-t2 {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      padding: 1rem;
      color: white;
      text-align: left;
      font-size: calc(0.6rem + 0.3vw);
    }

    .ref1-t1 {
      background-color: blue;
    }

    .ref1-t2 {
      background-color: red;
    }

    .ref1-button {
      background-color: white;
      color: black;
      border: 2px solid transparent;
      padding: 0.5rem 1rem;
      cursor: pointer;
      font-weight: bold;
      transition: all 0.3s ease;
      align-self: flex-start;
      margin-top: auto;
    }

    .ref1-button:hover {
      background-color: black;
      color: white;
      border-color: white;
      transform: scale(1.05);
    }

    /* Trojuholníky – viditeľné a proporčné */
    .ref1-p1 .ref1-triangle {
      position: absolute;
      bottom: 0;
      right: 0;
      width: 0;
      height: 0;
      border-bottom: 3em solid blue;
      border-left: 3em solid transparent;
    }

    .ref1-p2 .ref1-triangle {
      position: absolute;
      top: 0;
      left: 0;
      width: 0;
      height: 0;
      border-top: 3em solid red;
      border-right: 3em solid transparent;
    }

    @media (max-width: 900px) {
      .ref1-grid1 {
        grid-template-columns: 1fr;
      }
      .ref1-t1,
      .ref1-t2 {
        font-size: calc(1rem + 0.2vw);
      }
    }

    @media (max-width: 600px) {
      .ref1-grid2 {
          grid-template-columns: 1fr;
          grid-template-rows: auto;
          grid-template-areas:
          "p1"
          "t1"
          "p2"
          "t2";
          aspect-ratio: unset;
      }

      /* Skryj trojuholníky na malých displejoch */
      .ref1-triangle {
          display: none;
      }
    }