Apple Liquid Glass Card

<!-- SVG Filter for Glass Distortion -->
<svg style="display: none">
  <filter id="glass-distortion">
    <feTurbulence type="turbulence" baseFrequency="0.008" numOctaves="2" result="noise" />
    <feDisplacementMap in="SourceGraphic" in2="noise" scale="77" />
  </filter>
</svg>

<div class="glass-card">
  <div class="glass-filter"></div>
  <div class="glass-overlay"></div>
  <div class="glass-specular"></div>
  <div class="glass-content">
    <h3>Liquid Glass Card</h3>
    <p>Modern glassmorphism with distortion effects</p>
  </div>
</div>

/* Glass Card Container */
.glass-card {
  --bg-color: rgba(255, 255, 255, 0.25);
  --highlight: rgba(255, 255, 255, 0.75);
  --text: #ffffff;
  
  position: relative;
  width: 300px;
  height: 200px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

.glass-filter,
.glass-overlay,
.glass-specular {
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.glass-filter {
  z-index: 1;
  backdrop-filter: blur(4px);
  filter: url(#glass-distortion) saturate(120%) brightness(1.15);
}

.glass-distortion-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.05) 0%, transparent 80%),
              radial-gradient(circle at 80% 70%, rgba(255,255,255,0.05) 0%, transparent 80%);
  background-size: 300% 300%;
  animation: floatDistort 10s infinite ease-in-out;
  mix-blend-mode: overlay;
  z-index: 2;
  pointer-events: none;
}

@keyframes floatDistort {
  0% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
  100% { background-position: 0% 0%; }
}


.glass-overlay {
  z-index: 2;
  background: var(--bg-color);
}

.glass-specular {
  z-index: 3;
  box-shadow: inset 1px 1px 1px var(--highlight);
}

.glass-content {
  position: relative;
  z-index: 4;
  padding: 20px;
  color: var(--text);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.glass-content h3 {
  margin: 0 0 10px 0;
  font-size: 24px;
  font-weight: 600;
}

.glass-content p {
  margin: 0;
  opacity: 0.8;
}

/* Dark mode styles */
@media (prefers-color-scheme: dark) {
  .glass-card {
    --bg-color: rgba(0, 0, 0, 0.25);
    --highlight: rgba(255, 255, 255, 0.15);
  }
}

// Add mouse movement interactivity to glass elements
document.addEventListener('DOMContentLoaded', function() {
  // Get all glass elements
  const glassElements = document.querySelectorAll('.glass-card');
  
  // Add mousemove effect for each glass element
  glassElements.forEach(element => {
    element.addEventListener('mousemove', handleMouseMove);
    element.addEventListener('mouseleave', handleMouseLeave);
  });
  
  // Handle mouse movement over glass elements
  function handleMouseMove(e) {
    const rect = this.getBoundingClientRect();
    const x = e.clientX - rect.left;
    const y = e.clientY - rect.top;
    
    // Update filter turbulence based on mouse position
    const filter = this.querySelector('filter feDisplacementMap');
    if (filter) {
      const scaleX = (x / rect.width) * 100;
      const scaleY = (y / rect.height) * 100;
      filter.setAttribute('scale', Math.min(scaleX, scaleY));
    }
    
    // Add highlight effect
    const specular = this.querySelector('.glass-specular');
    if (specular) {
      specular.style.background = `radial-gradient(
        circle at ${x}px ${y}px,
        rgba(255,255,255,0.15) 0%,
        rgba(255,255,255,0.05) 30%,
        rgba(255,255,255,0) 60%
      )`;
    }
  }
  
  // Reset effects when mouse leaves
  function handleMouseLeave() {
    const filter = this.querySelector('filter feDisplacementMap');
    if (filter) {
      filter.setAttribute('scale', '77');
    }
    
    const specular = this.querySelector('.glass-specular');
    if (specular) {
      specular.style.background = 'none';
    }
  }
});