checkout/src/arquivos/sass/checkout/_checkout-autenticacao.scss

@@ -73,6 +73,27 @@
         margin-bottom: 12px;
     }
 
+    p.client-first-name,
+    p.client-last-name,
+    p.client-document,
+    p.client-phone {
+        @media (max-width: 1024px) {
+            width: 49.48%;
+        }
+
+        @media (max-width: 992px) {
+            width: 49.4%;
+        }
+
+        @media (max-width: 864px) {
+            width: 49.3%;
+        }
+
+        @media (max-width: 767px) {
+            width: 49.2%;
+        }
+    }
+
     #go-to-shipping {
         margin: 0 0 44px 0;
 
@@ -97,6 +118,22 @@
         }
     }
 
+    #client-first-name,
+    #client-last-name,
+    #client-document,
+    #client-phone {
+        @media (max-width: 1024px) {
+            width: 100%;
+        }
+    }
+
+    #client-first-name,
+    #client-document {
+        @media (max-width: 1024px) {
+            margin-right: 14px;
+        }
+    }
+
     #opt-in-newsletter,
     #state-inscription {
         width: 18px;
@@ -528,6 +565,10 @@
                 padding: 24px 34px 0px;
             }
 
+            @media (max-width: 1024px) {
+                padding: 0 16px;
+            }
+
             .ship-country,
             .ship-postalCode,
             .ship-street,
@@ -604,6 +645,10 @@
                         font-size: 32px;
                         line-height: 37px;
                     }
+
+                    @media (max-width: 1024px) {
+                        margin-top: 24px;
+                    }
                 }
 
 				span {
@@ -1031,6 +1076,18 @@
 
     #shipping-data {
         margin-bottom: 0;
+
+        @media (max-width: 1024px) {
+            margin: 0;
+            width: 100%;
+        }
+    }
+
+    #payment-data {
+        @media (max-width: 1024px) {
+            margin: 0;
+            width: 100%;
+        }
     }
 
     .hproduct {
@@ -1305,6 +1362,10 @@
         height: 50px;
     }
 
+    @media (max-width: 767px) {
+        max-width: 100%;
+    }
+
     option {
         font-size: 14px;
         line-height: 18px;
@@ -1326,4 +1387,38 @@
     }
 }
 
-/*url("https://agenciamagma.vteximg.com.br/homeM3Academy.png");*/
+.row-fluid .orderform-template.active {
+    @media (max-width: 1024px) {
+        display: flex;
+    }
+}
+
+body .container-main.container-order-form .orderform-template.active .orderform-template-holder {
+    @media (max-width: 1024px) {
+        width: 100%;
+    }
+}
+
+.row-fluid {
+    @media (max-width: 1024px) {
+        display: flex;
+        flex-direction: column;
+        width: 100%;
+    }
+}
+
+.row-fluid [class*=span]:first-child {
+    @media (max-width: 1024px) {
+        width: 100%;
+    }
+}
+
+#postalCode-finished-loading {
+    @media (max-width: 1024px) {
+        width: 30.176%;
+    }
+
+    @media (max-width: 600px) {
+        width: 100%;
+    }
+}

checkout/src/arquivos/sass/checkout/_checkout-pagamento.scss

@@ -5,8 +5,16 @@ body .container-main.container-order-form .orderform-template.active {
         margin-right: 0;
         float: right;
 
+        @media (max-width: 1024px) {
+            width: 100%;
+        }
+
         .description {
             margin-top: 0;
+
+            @media (max-width: 1024px) {
+                width: 100%;
+            }
         }
     }
     .orderform-template-holder {