diff --git a/assets/js/home.logic.js b/assets/js/home.logic.js
new file mode 100644
index 00000000..63330ec0
--- /dev/null
+++ b/assets/js/home.logic.js
@@ -0,0 +1,135 @@
+
+var delta =  Math.floor((Math.random() * 10) + 1) - 5;
+var d;
+
+$( window ).resize(function() {
+  initSize();
+});
+
+$( document ).ready(function() {
+
+    $("#demo-third-step").hide();
+    $("#demo-fourth-step").hide();
+
+    initSize();
+
+    
+    $('video,audio').mediaelementplayer({features: []});
+
+    $(".continue").click(function(){
+        setTimeout(countDownDisplay, 1000);
+    });
+
+    $( "#demo-cta" ).click(function() {
+
+        var result = delta;
+
+        $("#demo-pointer").hide();
+        $("#demo-third-step").hide();
+        $("#demo-fourth-step").fadeToggle();
+        console.log();
+        $(".watch-accuracy").html(result.toFixed(0));
+    });
+
+
+});
+
+function initSize(){
+
+    var windowHeight = $(window).height();   
+    var headerHeight = $('header').height();   
+    var sloganHeight = $(".slogan-home");
+    var windowRealHeight = windowHeight - headerHeight;
+    //var align = dispoDisplay / 2 - sloganHeight / 2;
+
+    $(".slogan-home").css("margin-top", -windowRealHeight + windowRealHeight/2);
+    $(".home-picto").css("margin-top", Math.abs(-windowRealHeight + windowRealHeight/2));
+
+    var ratio = $("#mosa-picture-1").width() / 800 ;
+
+    $(".home-mosa").css("height", 450*ratio*2);
+
+    $(".home-mosa-stats").css("left", $(window).width()/2-$(".home-mosa-stats").width()/2 - 20);
+    $(".home-mosa-stats").css("marginTop", (450*ratio*2)/2 - $(".home-mosa-stats").height()/2 - 20);
+
+    $( ".slogan-home" ).animate({
+        marginTop: "-=300"
+    }, 2000);
+
+}
+
+function countDownDisplay(){
+    var countdown = $("#demo-sync-time").html();
+
+    $("#demo-sync-time").html(countdown - 1);
+    if(countdown > 1){
+        setTimeout(countDownDisplay, 1000);
+    }else{
+        d = new Date(new Date().getTime());
+        similateInput();
+    }
+}
+
+function similateInput(){
+    $("#demo-second-step").hide();
+    $("#demo-third-step").fadeToggle("slow", function (){
+
+        var leftDelta = $("#demo-pointer").position().left 
+            - $("#inputUserTime").position().left;
+
+        var topDelta = $("#demo-pointer").position().top 
+            - $("#inputUserTime").position().top - $("#inputUserTime").height() /2;
+
+        $( "#demo-pointer" ).animate({
+            marginTop: "-="+topDelta,
+            marginLeft: "-="+leftDelta
+        }, 2000, function(){
+
+            $("#inputUserTime").focus();
+
+            var seconds = (d.getSeconds() + Math.abs(delta));
+            if(seconds <= 9){
+                seconds = "0"+seconds;
+            }
+
+            var hours = d.getHours();
+
+            if(hours <= 9){
+                hours = "0"+seconds;
+            }
+
+            var minutes = d.getMinutes();
+
+            if(minutes <= 9){
+                minutes = "0"+minutes;
+            }
+
+            var date = hours + ':' + minutes  + ':' + seconds;
+            writeToInput(date, 0);
+        });
+    });
+}
+
+function writeToInput(text, i){
+
+    if(i < text.length){
+        $("#inputUserTime").val($("#inputUserTime").val() + text.charAt(i));
+        i = i +1;
+        setTimeout(writeToInput, Math.round(Math.random() * (300 - 100) + 100), text, i);
+    }else{
+        clickCTA();
+    }
+}
+
+function clickCTA(){
+    var leftDelta = $("#demo-pointer").position().left - $("#demo-cta").position().left + $("#demo-cta").width() * 2 + 30;
+
+    var topDelta = $("#demo-pointer").position().top - $("#demo-cta").position().top + $("#demo-cta").height() * 3;
+
+    $( "#demo-pointer" ).animate({
+                marginTop: "+="+topDelta,
+                marginLeft: "+="+leftDelta
+    }, 2000, function(){
+        $("#demo-cta").click();
+    });
+}
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diff --git a/assets/js/home.logic.mobile.js b/assets/js/home.logic.mobile.js
new file mode 100644
index 00000000..3c22b08b
--- /dev/null
+++ b/assets/js/home.logic.mobile.js
@@ -0,0 +1,5 @@
+$( document ).ready(function() {
+    $( ".slogan-home" ).animate({
+        marginTop: "-="+$("video").height()/2
+    }, 2000);
+});
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