Enhance SplashScreen with interactive logo visualization

- Added hover effects to the tap-to-start logo, displaying an audio visualization ring on mouse enter and leave.
- Introduced new CSS styles for the visualization ring and segments, including animations for a dynamic user experience.
- Updated component logic to manage hover state, improving interactivity and engagement on the SplashScreen.

neode-ui/src/components/SplashScreen.vue

@@ -105,7 +105,7 @@
       >
         <div class="tap-to-start-content relative flex items-center justify-center perspective-1000">
           <span
-            class="tap-to-start-text font-archipelago font-extrabold text-[rgba(0,0,0,0.35)] text-6xl sm:text-7xl md:text-8xl lg:text-9xl tracking-widest uppercase whitespace-nowrap select-none transition-opacity duration-300"
+            class="tap-to-start-text font-archipelago font-extrabold text-6xl sm:text-7xl md:text-8xl lg:text-9xl tracking-widest uppercase whitespace-nowrap select-none transition-opacity duration-300"
             :class="{ 'opacity-0': tapStartTransitioning }"
           >
             Enter the Exit
@@ -113,7 +113,21 @@
           <div
             class="tap-to-start-logo absolute"
             :class="{ 'tap-logo-launch': tapStartTransitioning }"
+            @mouseenter="introLogoHover = true"
+            @mouseleave="introLogoHover = false"
           >
+            <!-- Audio viz ring - visible on hover -->
+            <div
+              class="intro-logo-viz-ring"
+              :class="{ 'intro-logo-viz-visible': introLogoHover && !tapStartTransitioning }"
+            >
+              <div
+                v-for="i in 48"
+                :key="i - 1"
+                class="intro-logo-viz-segment"
+                :style="{ '--segment-deg': `${((i - 1) / 48) * 360}deg`, '--segment-index': i - 1 }"
+              ></div>
+            </div>
             <ScreensaverLogo />
           </div>
         </div>
@@ -152,6 +166,7 @@ const BLINK_AFTER_TYPING = 1500
 const showSplash = ref(true)
 const showTapToStart = ref(true)
 const tapStartTransitioning = ref(false)
+const introLogoHover = ref(false)
 const backgroundOpacity = ref(0)
 const alienIntroComplete = ref(false)
 const fadeAlienIntro = ref(false)
@@ -621,17 +636,68 @@ onBeforeUnmount(() => {
   position: absolute;
   z-index: 0;
   pointer-events: none;
+  color: rgba(0, 0, 0, 0.35);
+  animation: tap-to-start-text-pulse 4s ease-in-out infinite;
+}
+@keyframes tap-to-start-text-pulse {
+  0%, 100% { color: rgba(0, 0, 0, 0.3); }
+  50% { color: rgba(0, 0, 0, 0.5); }
 }
 .tap-to-start-logo {
   position: relative;
   z-index: 1;
-}
-.tap-to-start-logo {
   filter: drop-shadow(0 0 40px rgba(255, 255, 255, 0.15));
+  overflow: visible;
 }
+.intro-logo-viz-ring {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  width: 1px;
+  height: 1px;
+  transform: translate(-50%, -50%);
+  z-index: 0;
+  pointer-events: none;
+  opacity: 0;
+  transition: opacity 0.35s ease;
+  --viz-radius: 7rem;
+}
+.intro-logo-viz-ring.intro-logo-viz-visible {
+  opacity: 1;
+}
+.intro-logo-viz-segment {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  width: 4px;
+  height: 24px;
+  margin-left: -2px;
+  margin-top: -12px;
+  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.15));
+  border-radius: 2px;
+  transform-origin: center center;
+  transform: rotate(var(--segment-deg)) translateY(calc(-1 * var(--viz-radius)));
+  animation: intro-viz-pulse 2.5s ease-in-out infinite;
+  animation-delay: calc(var(--segment-index, 0) * 0.02s);
+}
+@keyframes intro-viz-pulse {
+  0%, 100% { opacity: 0.4; transform: rotate(var(--segment-deg)) translateY(calc(-1 * var(--viz-radius))) scaleY(0.5); }
+  50% { opacity: 1; transform: rotate(var(--segment-deg)) translateY(calc(-1 * var(--viz-radius))) scaleY(1); }
+}
+@media (min-width: 640px) {
+  .intro-logo-viz-ring { --viz-radius: 8rem; }
+  .intro-logo-viz-segment { height: 26px; margin-top: -13px; }
+}
+@media (min-width: 768px) {
+  .intro-logo-viz-ring { --viz-radius: 9rem; }
+  .intro-logo-viz-segment { height: 28px; margin-top: -14px; }
+}
+
 .tap-to-start-logo :deep(.logo-gradient-border) {
   width: 12rem;
   height: 12rem;
+  position: relative;
+  z-index: 1;
 }
 @media (min-width: 640px) {
   .tap-to-start-content {