started hamburger menu

app/styles/header.css

@@ -10,29 +10,84 @@ header {
     box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
     z-index: 1000;
     font-family: var(--font-family);
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
 }
 
-header li {
-    display: inline-block;
-    margin: 0 15px;
+.nav-links{
+    display: flex;
+    gap: 15px;
 }
 
-header img {
-    height: 2em;
-    vertical-align: middle;
-}
-
-header a, 
-header li button {
-    color: var(--header-text-color); /* Use the new header text color */
-    text-decoration: none;
-    transition: color 0.3s;
+.nav-btn{
+    background: transparent;
     border: none;
-    background-color: transparent;
-    font-size: 1em;
+    cursor: pointer;
+    /* color */
 }
 
-header a:hover,
-header li button:hover {
-    color: var(--input-button-color); /* Keep the hover color */
+.nav-btn:hover{
+    /* color */
 }
+
+.hamburger{
+    display: none;
+    flex-direction: column;
+    cursor: pointer;
+}
+
+.hamburger span{
+    width: 25px;
+    height: 3px;
+    background-color: var(--header-text-color);
+    margin: 4px;
+    transition: 0.3s;
+}
+
+.hamburger.open span:nth-child(1){
+    transform: rotate(45deg) translate(5px, 5px);
+}
+
+.hamburger.open span:nth-child(2){
+    opacity: 0;
+}
+
+.hamburger.open span:nth-child(3){
+    transform: rotate(-45deg) translate(5px, -5px);
+}
+
+.header-button{
+    
+}
+.header-button img{
+    height: 8vh;
+}
+
+@media (max-width:768px) {
+    .nav-links{
+        display: none;
+        position: absolute;
+        top: 60px;
+        right: 0;
+        /* background color */
+        width: 100%;
+        flex-direction: column;
+        align-items: flex-start;
+        padding: 10px;
+    }
+
+    .nav-links.active{
+        display: flex;
+    }
+
+    .nav-btn{
+        width: 100%;
+        text-align: center;
+        padding: 10px;
+    }
+
+    .hamburger{
+        display: flex;
+    }
+}