fixing scroll to top button

_sass/_custom.scss

@@ -1222,13 +1222,6 @@ html {
   box-sizing: border-box;
 }
 
-body {
-  overflow-x: hidden;
-  max-width: 100vw;
-  /* Forces the body to respect the viewport in landscape too */
-  min-width: 0;
-}
-
 /* Catch-all: any block element that might overflow */
 *,
 *::before,
@@ -1267,49 +1260,19 @@ figure {
    SCROLL TO TOP - FULL STYLING (all viewports)
    ============================================================================ */
 
-#scroll-to-top {
-  position: fixed;
-  bottom: 1.5rem;
-  right: 1.5rem;
-  z-index: 9999;
-  width: 40px;
-  height: 40px;
-  /* No display rule here — JS toggles between none and block */
-  text-align: center;
-  line-height: 40px; /* vertically centers the SVG without needing flex */
-  background: rgba(0, 0, 0, 0.65);
-  border: var(--border-width) solid rgba(255, 255, 255, 0.35) !important;
-  border-radius: 50%;
-  color: rgba(255, 255, 255, 0.85) !important;
-  text-decoration: none;
-  transition: border-color var(--transition-normal), color var(--transition-normal), transform var(--transition-normal);
-  margin: 0 !important;
-  padding: 0 !important;
-}
-
-#scroll-to-top:hover {
-  border-color: rgba(255, 255, 255, 0.75);
-  color: #ffffff !important;
-  transform: translateY(-2px);
-  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
-}
-
-#scroll-to-top svg {
-  width: 16px;
-  height: 16px;
-  fill: currentColor;
-}
-
-@media (max-width: 768px) {
   #scroll-to-top {
-    bottom: 1rem;
+    position: fixed;
+    bottom: 4.5rem;
     right: 1rem;
-    width: 36px;
+    z-index: 9999;              
-    height: 36px;
+    transition: transform 0.2s ease, box-shadow 0.2s ease;
-    line-height: 36px; /* must match height */
   }
+#scroll-to-top:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
 }
 
+
 /* ============================================================================
    LONG LINKS & BIBLIOGRAPHY - OVERFLOW FIX
    ============================================================================ */