Add 'Why?' button and improve button layout

style.css

@@ -226,6 +226,13 @@ footer {
     z-index: 10;
 }
 
+.buttons {
+    display: flex;
+    justify-content: center;
+    gap: 12px;
+    margin-top: 24px;
+}
+
 .share-button {
     display: inline-flex;
     align-items: center;
@@ -239,7 +246,6 @@ footer {
     font-weight: 500;
     cursor: pointer;
     transition: all 0.2s ease;
-    margin-top: 24px;
 }
 
 .share-button:hover {
@@ -259,6 +265,39 @@ footer {
     transform: translateY(-2px);
 }
 
+.why-button {
+    display: inline-flex;
+    align-items: center;
+    gap: 8px;
+    background-color: var(--secondary);
+    color: var(--secondary-foreground);
+    border: none;
+    border-radius: var(--radius);
+    padding: 10px 16px;
+    font-size: 14px;
+    font-weight: 500;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    text-decoration: none;
+}
+
+.why-button:hover {
+    opacity: 0.9;
+    transform: translateY(-2px);
+}
+
+.why-button:active {
+    transform: translateY(0);
+}
+
+.why-button svg {
+    transition: transform 0.2s ease;
+}
+
+.why-button:hover svg {
+    transform: rotate(12deg);
+}
+
 @media (max-width: 600px) {
     .container {
         padding: 30px;
@@ -272,8 +311,13 @@ footer {
         font-size: 2.5rem;
     }
     
-    .share-button {
-        padding: 8px 14px;
+    .share-button, .why-button {
+        padding: 8px 12px;
         font-size: 13px;
     }
+    
+    .buttons {
+        flex-direction: column;
+        gap: 8px;
+    }
 }