feat(interaction): implement sophisticated hover effects and parallax

- Add moving shine effect and glow on card hover
- Implement coffee drip animation for link underlines
- Add JS-driven parallax scroll effect for floating elements
- Enhance button micro-interactions
- Refine animations for smoothness

styles.css

@@ -139,7 +139,8 @@ body {
     position: absolute;
     opacity: 0.04;
     color: var(--color-coffee-dark);
-    animation: float-cup 18s infinite ease-in-out;
+    animation: float-rotate 18s infinite ease-in-out;
+    transition: transform 0.1s linear;
 }
 
 @media (prefers-color-scheme: dark) {
@@ -151,10 +152,17 @@ body {
 
 .cup-1 { width: 120px; top: 25%; right: 10%; animation-delay: -2s; }
 
-@keyframes float-cup {
-    0% { transform: translate(0, 0) rotate(-5deg); }
-    50% { transform: translate(-20px, 30px) rotate(5deg); }
-    100% { transform: translate(0, 0) rotate(-5deg); }
+@keyframes float-rotate {
+    0% { transform: rotate(-5deg); }
+    50% { transform: rotate(5deg); }
+    100% { transform: rotate(-5deg); }
+}
+
+
+@keyframes float-rotate {
+    0% { transform: rotate(-5deg); }
+    50% { transform: rotate(5deg); }
+    100% { transform: rotate(-5deg); }
 }
 
 /* Coffee Stains */
@@ -257,12 +265,25 @@ a {
     color: var(--color-primary);
     text-decoration: none;
     font-weight: 600;
-    transition: text-decoration-color 0.2s;
+    position: relative;
+    transition: color 0.3s ease;
+    
+    /* Coffee Drip Underline Animation */
+    background-image: linear-gradient(to right, var(--color-coffee-medium) 0%, var(--color-gold) 100%);
+    background-size: 0% 2px;
+    background-position: left bottom;
+    background-repeat: no-repeat;
+    padding-bottom: 2px;
     
     &:hover {
-        text-decoration: underline;
-        text-decoration-thickness: 2px;
-        text-underline-offset: 4px;
+        background-size: 100% 2px;
+        color: var(--color-coffee-dark);
+    }
+}
+
+@media (prefers-color-scheme: dark) {
+    a:hover {
+        color: var(--color-gold);
     }
 }
 
@@ -398,10 +419,11 @@ section {
     backdrop-filter: blur(12px);
     -webkit-backdrop-filter: blur(12px);
     border: 1px solid var(--border-subtle);
-    border-radius: 16px; /* Increased radius */
+    border-radius: 16px; 
     overflow: hidden;
     transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
     height: 100%;
+    position: relative;
     
     /* Scroll Animation Entry */
     view-timeline-name: --card-entry;
@@ -413,15 +435,38 @@ section {
     &:hover {
         transform: translateY(-8px) scale(1.02);
         box-shadow: var(--shadow-glass);
-        border-color: var(--color-gold); /* Gold Accent */
+        border-color: var(--color-gold); 
         background-color: color-mix(in srgb, var(--bg-surface), var(--color-cream) 10%);
     }
     
+    /* Shine Effect */
+    &::after {
+        content: '';
+        position: absolute;
+        top: 0;
+        left: -100%;
+        width: 100%;
+        height: 100%;
+        background: linear-gradient(
+            90deg,
+            transparent,
+            rgba(255, 255, 255, 0.2),
+            transparent
+        );
+        transition: 0.5s;
+        pointer-events: none;
+    }
+
+    &:hover::after {
+        left: 100%;
+        transition: 0.7s ease-in-out;
+    }
+    
     .card-img-top {
         aspect-ratio: 16/9;
         object-fit: cover;
         transition: transform 0.6s ease;
-        filter: sepia(20%) contrast(1.1); /* Subtle coffee tint */
+        filter: sepia(20%) contrast(1.1); 
     }
     
     &:hover .card-img-top {
@@ -435,7 +480,7 @@ section {
         flex-direction: column;
         
         h5.card-title {
-            font-size: 1.5rem; /* Larger */
+            font-size: 1.5rem; 
             margin-bottom: 0.75rem;
             font-family: var(--font-display);
             letter-spacing: -0.02em;