diff --git a/contenido/11.html b/contenido/11.html
index 0417b0f..51f0d55 100644
--- a/contenido/11.html
+++ b/contenido/11.html
@@ -11,38 +11,119 @@
     width: 40%;
   }
 
-  .bg-custom {
-    box-shadow: 0 0 10px rgba(0, 0, 0, .5);
-  }
-
   .content-cards {
     width: 100%;
   }
 
-  .content-cards .persoSwiper {
+  .dislike-indicator {
+    top: 50%;
+    left: 20px;
+    transform: translateY(-50%);
+    z-index: 10;
+    opacity: 0;
+  }
+
+  .like-indicator {
+    top: 50%;
+    right: 20px;
+    transform: translateY(-50%);
+    z-index: 10;
+    opacity: 0;
+  }
+
+  .indicator-circle {
+    width: 60px;
+    height: 60px;
+    font-size: 24px;
+  }
+
+  .gradient-bg {
+    top: 0;
+    left: 0;
+    z-index: 1;
+  }
+
+  .gradient-left {
+    left: 0;
+    top: 10%;
+    width: 50%;
+    height: 80%;
+    background: #925c8d;
+    background: linear-gradient(270deg, rgba(146, 92, 141, 1) 0%, rgba(146, 92, 141, 0) 100%);
+  }
+
+  .gradient-right {
+    right: 0;
+    top: 10%;
+    width: 50%;
+    height: 80%;
+    background: #6c9d7a;
+    background: linear-gradient(90deg, rgba(108, 157, 122, 1) 0%, rgba(108, 157, 122, 0) 100%);
+  }
+
+  .bg-image {
+    z-index: 2;
+    opacity: 0.7;
+  }
+
+  .bg-image-left {
+    left: 20px;
+    bottom: 60px;
+  }
+
+  .bg-image-right {
+    right: 20px;
+    bottom: 60px;
+  }
+
+  .bg-image img {
+    width: 220px;
+    height: auto;
+  }
+
+  .card-stack {
+    position: relative;
     width: 326px;
     height: 326px;
+    margin: 0 auto;
+    z-index: 5;
+  }
+
+  .tinder-card {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    cursor: grab;
+    transition: transform 0.3s ease;
+    user-select: none;
+  }
+
+  .tinder-card img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+    border-radius: 10px;
   }
 </style>
-<div class='page-sco py-2 py-md-0 h-100'>
-  <div class='container h-100'>
-    <div class='row justify-content-center align-items-center h-100'>
-      <div class='col-12'>
-        <div class='row justify-content-center'>
+<div class="page-sco py-2 py-md-0 h-100">
+  <div class="container h-100">
+    <div class="row justify-content-center align-items-center h-100">
+      <div class="col-12">
+        <div class="row justify-content-center">
           <div class="col-10 mb-2 animate__animated animate__bounceInDown">
             <h2 class="text-center fw-bold text-primary">Características del sitio de salida</h2>
-            <hr class="border border-3 border-verde-oscuro hr-style mx-auto my-0">
+            <hr class="border border-3 border-verde-oscuro hr-style mx-auto my-0" />
           </div>
-          <div class="col-12 px-0 mb-1 animate__animated animate__lightSpeedInLeft">
+          <div class="col-12 px-0 mb-1 animate__animated animate__lightSpeedInLeft" id="col-instrucciones">
             <div class="card bg-white border-0 my-2 rounded-0 bg-custom px-3 py-2 text-center">
               <div class="d-flex justify-content-center align-items-center flex-row gap-2">
-                <img src="img/3.1.png" class="img-fluid mx-3">
+                <img src="img/3.1.png" class="img-fluid mx-3" />
                 <div class="parrafos text-start">
-                  <p class="mb-2"><strong>Instrucciones:</strong> Observa las imágenes del sitio de salida que se presentan en las
-                    tarjetas.</p>
-                  <p class="mb-0">Si consideras que se encuentra sano, desliza la tarjeta a la <strong class="text-verde-pino">derecha</strong>. Si
-                    crees que no está sano,
-                    desliza la tarjeta a la <strong class="text-verde-pino">izquierda</strong>.</p>
+                  <p class="mb-2"><strong>Instrucciones:</strong> Observa las imágenes del sitio de salida que se presentan en las tarjetas.</p>
+                  <p class="mb-0">
+                    Si consideras que se encuentra sano, desliza la tarjeta a la <strong class="text-verde-pino">derecha</strong>. Si crees que no está sano,
+                    desliza la tarjeta a la <strong class="text-verde-pino">izquierda</strong>.
+                  </p>
                 </div>
               </div>
             </div>
@@ -54,26 +135,48 @@
               </div>
               <div class="col-12">
                 <div class="position-relative content-cards text-center">
-                  <div class="swiper persoSwiper">
-                    <div class="swiper-wrapper">
-                      <div class="swiper-slide">
-                        <img src="img/11.0.png" class="img-fluid">
-                      </div>
-                      <div class="swiper-slide">
-                        <img src="img/11.1.png" class="img-fluid">
-                      </div>
-                      <div class="swiper-slide">
-                        <img src="img/11.2.png" class="img-fluid">
-                      </div>
-                      <div class="swiper-slide">
-                        <img src="img/11.3.png" class="img-fluid">
-                      </div>
-                      <div class="swiper-slide">
-                        <img src="img/11.4.png" class="img-fluid">
-                      </div>
-                      <div class="swiper-slide">
-                        <img src="img/11.5.png" class="img-fluid">
-                      </div>
+                  <!-- Like/Dislike indicators -->
+                  <div class="position-absolute dislike-indicator" id="dislike-indicator">
+                    <div class="bg-danger text-white rounded-circle d-flex align-items-center justify-content-center indicator-circle">✕</div>
+                    <div class="text-danger fw-bold mt-2">NO SANO</div>
+                  </div>
+                  <div class="position-absolute like-indicator" id="like-indicator">
+                    <div class="bg-success text-white rounded-circle d-flex align-items-center justify-content-center indicator-circle">✓</div>
+                    <div class="text-success fw-bold mt-2">SANO</div>
+                  </div>
+
+                  <!-- Degradados de fondo -->
+                  <div class="position-absolute w-100 h-100 gradient-bg">
+                    <div class="position-absolute gradient-left"></div>
+                    <div class="position-absolute gradient-right"></div>
+                  </div>
+
+                  <!-- Imágenes de fondo -->
+                  <div class="position-absolute bg-image bg-image-left">
+                    <img src="img/11.nosano.png" alt="No Sano" />
+                  </div>
+                  <div class="position-absolute bg-image bg-image-right">
+                    <img src="img/11.sano.png" alt="Sano" />
+                  </div>
+
+                  <div id="card-stack" class="card-stack">
+                    <div data-index="0" class="tinder-card">
+                      <img src="img/11.0.png" alt="Imagen 1" />
+                    </div>
+                    <div data-index="1" class="tinder-card">
+                      <img src="img/11.1.png" alt="Imagen 2" />
+                    </div>
+                    <div data-index="2" class="tinder-card">
+                      <img src="img/11.2.png" alt="Imagen 3" />
+                    </div>
+                    <div data-index="3" class="tinder-card">
+                      <img src="img/11.3.png" alt="Imagen 4" />
+                    </div>
+                    <div data-index="4" class="tinder-card">
+                      <img src="img/11.4.png" alt="Imagen 5" />
+                    </div>
+                    <div data-index="5" class="tinder-card">
+                      <img src="img/11.5.png" alt="Imagen 6" />
                     </div>
                   </div>
                 </div>
@@ -85,14 +188,31 @@
     </div>
   </div>
 </div>
+<div class="d-none">
+  <div id="pop0">
+    <div class="container-fluid">
+      <div class=" w-100 text-center">
+        <img src="img/3.5.png" class="img-fluid">
+      </div>
+      <div class="row justify-content-center">
+        <div class="col-12 text-center mb-2">
+          <h3 class="text-secondary-dark fw-bold">Ten en cuenta que…</h3>
+        </div>
+        <div class="col-12 text-center">
+          <p class="mb-0">En caso de alguna complicación, se debe acudir a la unidad de diálisis.</p>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
 <script>
   $(function () {
     "use strict";
-    $('.wrap-course-content').addClass('fake');
-    const feedbackcorrect = CourseNav.createSound('audio/feedback-correct.mpeg');
-    const feedbackincorrect = CourseNav.createSound('audio/feedback-incorrect.mpeg');
+    $(".wrap-course-content").addClass("fake");
+    const feedbackcorrect = CourseNav.createSound("audio/feedback-correct.mpeg");
+    const feedbackincorrect = CourseNav.createSound("audio/feedback-incorrect.mpeg");
 
-    const respuestasCorrectas = ['true','true','false','false','false'];
+    const respuestasCorrectas = ["true", "true", "false", "false", "false"];
 
     function shuffleArray(array) {
       for (let i = array.length - 1; i > 0; i--) {
@@ -102,38 +222,240 @@
       return array;
     }
 
-    // Shuffle slides and answers
-    const slides = Array.from(document.querySelectorAll('.swiper-slide'));
-    const slidesData = slides.map((slide, index) => ({
-      element: slide,
-      answer: respuestasCorrectas[index]
+    // Shuffle cards and answers
+    const cards = Array.from(document.querySelectorAll(".tinder-card"));
+    const cardsData = cards.map((card, index) => ({
+      element: card,
+      answer: respuestasCorrectas[index],
     }));
 
-    const shuffledData = shuffleArray(slidesData);
-    const wrapper = document.querySelector('.swiper-wrapper');
-    wrapper.innerHTML = '';
+    const shuffledData = shuffleArray(cardsData);
+    const stack = document.getElementById("card-stack");
+    stack.innerHTML = "";
 
     const shuffledAnswers = [];
     shuffledData.forEach((item, index) => {
-      wrapper.appendChild(item.element);
+      item.element.style.zIndex = shuffledData.length - index;
+      stack.appendChild(item.element);
       shuffledAnswers[index] = item.answer;
     });
 
-    const swiper = new Swiper('.persoSwiper', {
-      effect: 'cards',
-      grabCursor: true,
-      centeredSlides: true,
-      slidesPerView: 'auto',
-      initialSlide: 0,
-      cardsEffect: {
-        slideShadows: false,
-        perSlideOffset: 10,
-        perSlideRotate: 2,
-      },
-      on: {
-        slideChange: function () {
-        }
+    let currentCardIndex = 0;
+    let userAnswers = [];
+    let isProcessing = false;
+    let isDragging = false;
+    let startX = 0;
+    let startY = 0;
+    let currentX = 0;
+    let currentY = 0;
+
+    function initTinderCards() {
+      const currentCard = shuffledData[currentCardIndex]?.element;
+      if (!currentCard) return;
+
+      currentCard.addEventListener("mousedown", handleStart, { passive: false });
+      currentCard.addEventListener("touchstart", handleStart, { passive: false });
+    }
+
+    function handleStart(e) {
+      if (isProcessing) return;
+      e.preventDefault();
+      isDragging = true;
+      const touch = e.type === "touchstart" ? e.touches[0] : e;
+      startX = touch.clientX;
+      startY = touch.clientY;
+
+      const card = e.target.closest(".tinder-card");
+      card.style.transition = "none";
+      card.style.cursor = "grabbing";
+
+      document.addEventListener("mousemove", handleMove, { passive: false });
+      document.addEventListener("touchmove", handleMove, { passive: false });
+      document.addEventListener("mouseup", handleEnd);
+      document.addEventListener("touchend", handleEnd);
+    }
+
+    function handleMove(e) {
+      if (!isDragging || isProcessing) return;
+      e.preventDefault();
+
+      const touch = e.type === "touchmove" ? e.touches[0] : e;
+      currentX = touch.clientX - startX;
+      currentY = touch.clientY - startY;
+
+      const card = shuffledData[currentCardIndex]?.element;
+      if (!card) return;
+
+      const rotation = currentX * 0.1;
+      card.style.transform = `translate(${currentX}px, ${currentY}px) rotate(${rotation}deg)`;
+
+      const likeIndicator = document.getElementById("like-indicator");
+      const dislikeIndicator = document.getElementById("dislike-indicator");
+
+      if (currentX > 50) {
+        likeIndicator.style.opacity = Math.min(1, (currentX - 50) / 100);
+        dislikeIndicator.style.opacity = 0;
+      } else if (currentX < -50) {
+        dislikeIndicator.style.opacity = Math.min(1, (Math.abs(currentX) - 50) / 100);
+        likeIndicator.style.opacity = 0;
+      } else {
+        likeIndicator.style.opacity = 0;
+        dislikeIndicator.style.opacity = 0;
       }
-    });
+    }
+
+    function handleEnd(e) {
+      if (!isDragging || isProcessing) return;
+      isDragging = false;
+
+      document.removeEventListener("mousemove", handleMove);
+      document.removeEventListener("touchmove", handleMove);
+      document.removeEventListener("mouseup", handleEnd);
+      document.removeEventListener("touchend", handleEnd);
+
+      const card = shuffledData[currentCardIndex]?.element;
+      if (!card) return;
+
+      card.style.transition = "transform 0.3s ease";
+      card.style.cursor = "grab";
+
+      const likeIndicator = document.getElementById("like-indicator");
+      const dislikeIndicator = document.getElementById("dislike-indicator");
+
+      likeIndicator.style.opacity = 0;
+      dislikeIndicator.style.opacity = 0;
+
+      if (Math.abs(currentX) > 100) {
+        isProcessing = true;
+        const isLike = currentX > 0;
+        const correctAnswer = shuffledAnswers[currentCardIndex] === "true";
+        const isCorrect = (isLike && correctAnswer) || (!isLike && !correctAnswer);
+
+        animateCardOut(card, isLike, isCorrect);
+        processSwipe(isLike, isCorrect);
+      } else {
+        card.style.transform = "";
+      }
+
+      currentX = 0;
+      currentY = 0;
+    }
+
+    function animateCardOut(card, isLike, isCorrect) {
+      if (isCorrect) {
+        const direction = isLike ? 1 : -1;
+        card.style.transform = `translateX(${direction * 400}px) rotate(${direction * 30}deg)`;
+        card.style.opacity = "0";
+
+        setTimeout(() => {
+          card.style.display = "none";
+          nextCard();
+        }, 300);
+      } else {
+        // Animación de rebote para respuesta incorrecta
+        card.style.transform = "scale(0.95)";
+        setTimeout(() => {
+          card.style.transform = "";
+          isProcessing = false;
+        }, 200);
+      }
+    }
+
+    function nextCard() {
+      currentCardIndex++;
+      updateProgress();
+      if (currentCardIndex < shuffledData.length) {
+        initTinderCards();
+        isProcessing = false;
+      }
+    }
+
+    initTinderCards();
+
+    function processSwipe(isLike, isCorrect) {
+      if (isCorrect) {
+        feedbackcorrect.play();
+
+        userAnswers.push({
+          cardIndex: currentCardIndex,
+          userAnswer: isLike,
+          isCorrect: true,
+        });
+
+        if (currentCardIndex + 1 >= shuffledAnswers.length) {
+          setTimeout(() => {
+            updateProgress();
+            showResults();
+          }, 500);
+        }
+      } else {
+        feedbackincorrect.play();
+        // No avanzar, permitir reintentar
+      }
+    }
+
+    function updateProgress() {
+      const indicators = document.querySelector(".indicadores-avance");
+      indicators.innerHTML = "";
+
+      for (let i = 0; i < shuffledAnswers.length; i++) {
+        const indicator = document.createElement("div");
+        indicator.style.cssText = "width: 40px; height: 40px; margin: 0 8px; display: flex; align-items: center; justify-content: center;";
+
+        if (i < userAnswers.length) {
+          const img = document.createElement("img");
+          img.style.cssText = "width: 100%; height: 100%;";
+          img.src = "img/11.good.png";
+          indicator.appendChild(img);
+        } else if (i === currentCardIndex) {
+          indicator.style.cssText += "background-color: #2196F3; border-radius: 50%; color: white; font-size: 18px; font-weight: bold;";
+          indicator.innerHTML = (i + 1).toString();
+        } else {
+          indicator.style.cssText += "background-color: #E0E0E0; border-radius: 50%; color: #999; font-size: 18px; font-weight: bold;";
+          indicator.innerHTML = (i + 1).toString();
+        }
+
+        indicators.appendChild(indicator);
+      }
+    }
+
+    function showResults() {
+      // Ocultar instrucciones
+      document.getElementById("col-instrucciones").style.display = "none";
+
+      const resultHTML = `
+        <div class="text-center">
+          <h3>¡Actividad completada!</h3>
+          <p>¡Todas las respuestas fueron correctas!</p>
+        </div>
+      `;
+      checkAllCompleted();
+      document.querySelector(".content-cards").innerHTML = resultHTML;
+      CourseNav.setSlideVisited(true);
+    }
+
+    function checkAllCompleted() {
+      const html = $("#pop0").html();
+      Swal.fire({
+        html: html,
+        target: document.getElementById('wrap-course-content'),
+        customClass: {
+          popup: "pop_html_style border border-3 border-primary rounded-4",
+          confirmButton: "btn text-white bg-primary amor fw-semibold animate__animated animate__pulse animate__infinite",
+        },
+        confirmButtonText: "Cerrar",
+        showConfirmButton: true,
+        allowOutsideClick: false,
+        allowEscapeKey: false,
+        backdrop: "rgba(65, 60, 60, .95)",
+        width: "35em",
+        didClose: () => {
+          CourseNav.setSlideVisited();
+        },
+      });
+    }
+
+    // Initialize progress indicators
+    updateProgress();
   });
 </script>
diff --git a/img/11.0.png b/img/11.0.png
index 810cd69..2c037c8 100644
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diff --git a/img/11.2.png b/img/11.2.png
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index 54070b8..7bf770d 100644
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diff --git a/img/11.5.png b/img/11.5.png
index ede695e..07a6176 100644
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diff --git a/img/11.bad.png b/img/11.bad.png
new file mode 100644
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diff --git a/img/11.check.png b/img/11.check.png
new file mode 100644
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diff --git a/img/11.good.png b/img/11.good.png
new file mode 100644
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diff --git a/img/11.nosano.png b/img/11.nosano.png
new file mode 100644
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diff --git a/img/11.sano.png b/img/11.sano.png
new file mode 100644
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