diff --git a/index.html b/index.html
index 7ce8bd0..f87461d 100644
--- a/index.html
+++ b/index.html
@@ -174,6 +174,26 @@
             box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
             cursor: pointer;
             border: none;
+            position: relative;
+            overflow: hidden;
+        }
+
+        .pix-button::before {
+            content: '';
+            position: absolute;
+            top: 50%;
+            left: 50%;
+            width: 0;
+            height: 0;
+            border-radius: 50%;
+            background: rgba(255, 255, 255, 0.3);
+            transform: translate(-50%, -50%);
+            transition: width 0.6s, height 0.6s;
+        }
+
+        .pix-button:hover::before {
+            width: 300px;
+            height: 300px;
         }
 
         .pix-button:hover {
@@ -182,6 +202,10 @@
             background: linear-gradient(135deg, #00A86B, #32BCAD);
         }
 
+        .pix-button:active {
+            transform: translateY(-1px) scale(0.98);
+        }
+
         /* Modal PIX */
         .modal {
             display: none;
@@ -190,14 +214,25 @@
             left: 0;
             width: 100%;
             height: 100%;
-            background: rgba(0, 0, 0, 0.8);
+            background: rgba(0, 0, 0, 0);
             z-index: 1000;
             justify-content: center;
             align-items: center;
+            transition: background 0.3s ease;
         }
 
         .modal.active {
             display: flex;
+            animation: fadeIn 0.3s ease forwards;
+        }
+
+        @keyframes fadeIn {
+            from {
+                background: rgba(0, 0, 0, 0);
+            }
+            to {
+                background: rgba(0, 0, 0, 0.8);
+            }
         }
 
         .modal-content {
@@ -207,6 +242,43 @@
             max-width: 400px;
             width: 90%;
             box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
+            transform: translateY(30px) scale(0.9);
+            opacity: 0;
+        }
+
+        .modal.active .modal-content {
+            animation: slideUpScale 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
+        }
+
+        @keyframes slideUpScale {
+            0% {
+                transform: translateY(30px) scale(0.9);
+                opacity: 0;
+            }
+            100% {
+                transform: translateY(0) scale(1);
+                opacity: 1;
+            }
+        }
+
+        @keyframes fadeOut {
+            from {
+                background: rgba(0, 0, 0, 0.8);
+            }
+            to {
+                background: rgba(0, 0, 0, 0);
+            }
+        }
+
+        @keyframes slideDownScale {
+            0% {
+                transform: translateY(0) scale(1);
+                opacity: 1;
+            }
+            100% {
+                transform: translateY(30px) scale(0.9);
+                opacity: 0;
+            }
         }
 
         .modal-header {
@@ -224,6 +296,14 @@
             border-radius: 10px;
             margin-bottom: 20px;
             text-align: center;
+            transition: all 0.3s ease;
+            outline: none;
+        }
+
+        .modal-input:focus {
+            border-color: #32BCAD;
+            box-shadow: 0 0 0 3px rgba(50, 188, 173, 0.2);
+            transform: scale(1.02);
         }
 
         .modal-buttons {
@@ -240,6 +320,26 @@
             font-weight: bold;
             cursor: pointer;
             transition: all 0.3s ease;
+            position: relative;
+            overflow: hidden;
+        }
+
+        .modal-button::after {
+            content: '';
+            position: absolute;
+            top: 50%;
+            left: 50%;
+            width: 0;
+            height: 0;
+            border-radius: 50%;
+            background: rgba(255, 255, 255, 0.4);
+            transform: translate(-50%, -50%);
+            transition: width 0.5s, height 0.5s;
+        }
+
+        .modal-button:hover::after {
+            width: 300px;
+            height: 300px;
         }
 
         .modal-button.generate {
@@ -257,6 +357,10 @@
             box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
         }
 
+        .modal-button:active {
+            transform: translateY(0) scale(0.98);
+        }
+
         .pix-code-area {
             display: none;
             margin-top: 20px;
@@ -267,10 +371,24 @@
             font-family: monospace;
             font-size: 0.9em;
             color: #333;
+            transform: translateY(-10px);
+            opacity: 0;
         }
 
         .pix-code-area.active {
             display: block;
+            animation: slideInFade 0.4s ease forwards;
+        }
+
+        @keyframes slideInFade {
+            from {
+                transform: translateY(-10px);
+                opacity: 0;
+            }
+            to {
+                transform: translateY(0);
+                opacity: 1;
+            }
         }
 
         .copy-notification {
@@ -278,10 +396,24 @@
             color: #00A86B;
             font-weight: bold;
             display: none;
+            transform: scale(0.8);
+            opacity: 0;
         }
 
         .copy-notification.active {
             display: block;
+            animation: popIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
+        }
+
+        @keyframes popIn {
+            from {
+                transform: scale(0.8);
+                opacity: 0;
+            }
+            to {
+                transform: scale(1);
+                opacity: 1;
+            }
         }
 
         /* Ícones pequenos */
@@ -463,15 +595,29 @@
 
     <script>
         function openPixModal() {
-            document.getElementById('pixModal').classList.add('active');
-            document.getElementById('pixValue').focus();
+            const modal = document.getElementById('pixModal');
+            modal.classList.add('active');
+            setTimeout(() => {
+                document.getElementById('pixValue').focus();
+            }, 100);
         }
 
         function closePixModal() {
-            document.getElementById('pixModal').classList.remove('active');
-            document.getElementById('pixValue').value = '';
-            document.getElementById('pixCodeArea').classList.remove('active');
-            document.getElementById('copyNotification').classList.remove('active');
+            const modal = document.getElementById('pixModal');
+            const modalContent = modal.querySelector('.modal-content');
+            
+            // Animação de saída
+            modalContent.style.animation = 'slideDownScale 0.3s ease forwards';
+            modal.style.animation = 'fadeOut 0.3s ease forwards';
+            
+            setTimeout(() => {
+                modal.classList.remove('active');
+                modal.style.animation = '';
+                modalContent.style.animation = '';
+                document.getElementById('pixValue').value = '';
+                document.getElementById('pixCodeArea').classList.remove('active');
+                document.getElementById('copyNotification').classList.remove('active');
+            }, 300);
         }
 
         function generatePix() {