polish: streamline colors and enhance UX with major improvements

Color System Improvements:
- Added accentColor prop to ToolCard for consistent color identity
- Each tool now has its signature color for hover effects
- Title and arrow icon now change to tool's accent color on hover
- Footer links match card colors for unified visual language

Hero Section Enhancement:
- Added prominent CTA buttons (Explore Tools + View on GitHub)
- Gradient animated button with hover effects
- GitHub button with icon and border hover effect
- Better visual hierarchy with button placement
- Updated scroll indicator text to "Scroll to explore"

User Experience:
- Improved hover interactions with color-coded feedback
- Better visual consistency across all components
- Enhanced call-to-action visibility
- Smooth transitions and micro-interactions

Color Palette:
- Vert: #10b981 (emerald green)
- Paint: #f97316 (vibrant orange)
- Pastel: #a855f7 (purple)
- Stirling: #667eea (indigo blue)
- Units: #2dd4bf (cyan)
- Draw: #ec4899 (pink)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

components/Hero.tsx

@@ -48,6 +48,43 @@ export default function Hero() {
           Simple, powerful, and always at your fingertips.
         </motion.p>
 
+        {/* CTA Buttons */}
+        <motion.div
+          className="flex flex-col sm:flex-row gap-4 justify-center items-center mb-16"
+          initial={{ opacity: 0, y: 20 }}
+          animate={{ opacity: 1, y: 0 }}
+          transition={{ duration: 0.8, delay: 0.8 }}
+        >
+          <motion.a
+            href="#tools"
+            className="group relative px-8 py-4 rounded-full bg-gradient-to-r from-purple-500 to-cyan-500 text-white font-semibold shadow-lg overflow-hidden"
+            whileHover={{ scale: 1.05 }}
+            whileTap={{ scale: 0.95 }}
+          >
+            <span className="relative z-10">Explore Tools</span>
+            <motion.div
+              className="absolute inset-0 bg-gradient-to-r from-purple-600 to-cyan-600"
+              initial={{ x: '100%' }}
+              whileHover={{ x: 0 }}
+              transition={{ duration: 0.3 }}
+            />
+          </motion.a>
+
+          <motion.a
+            href="https://github.com/valknarness/kit-ui"
+            target="_blank"
+            rel="noopener noreferrer"
+            className="group px-8 py-4 rounded-full border-2 border-gray-600 text-gray-300 font-semibold hover:border-purple-400 hover:text-purple-400 transition-all duration-300 inline-flex items-center gap-2"
+            whileHover={{ scale: 1.05 }}
+            whileTap={{ scale: 0.95 }}
+          >
+            <svg className="w-5 h-5" fill="currentColor" viewBox="0 0 24 24">
+              <path fillRule="evenodd" d="M12 2C6.477 2 2 6.484 2 12.017c0 4.425 2.865 8.18 6.839 9.504.5.092.682-.217.682-.483 0-.237-.008-.868-.013-1.703-2.782.605-3.369-1.343-3.369-1.343-.454-1.158-1.11-1.466-1.11-1.466-.908-.62.069-.608.069-.608 1.003.07 1.531 1.032 1.531 1.032.892 1.53 2.341 1.088 2.91.832.092-.647.35-1.088.636-1.338-2.22-.253-4.555-1.113-4.555-4.951 0-1.093.39-1.988 1.029-2.688-.103-.253-.446-1.272.098-2.65 0 0 .84-.27 2.75 1.026A9.564 9.564 0 0112 6.844c.85.004 1.705.115 2.504.337 1.909-1.296 2.747-1.027 2.747-1.027.546 1.379.202 2.398.1 2.651.64.7 1.028 1.595 1.028 2.688 0 3.848-2.339 4.695-4.566 4.943.359.309.678.92.678 1.855 0 1.338-.012 2.419-.012 2.747 0 .268.18.58.688.482A10.019 10.019 0 0022 12.017C22 6.484 17.522 2 12 2z" clipRule="evenodd" />
+            </svg>
+            View on GitHub
+          </motion.a>
+        </motion.div>
+
         {/* Scroll indicator */}
         <motion.a
           href="#tools"
@@ -56,7 +93,7 @@ export default function Hero() {
           animate={{ opacity: 1 }}
           transition={{ duration: 0.8, delay: 1 }}
         >
-          <span className="text-sm text-gray-500 group-hover:text-gray-400 transition-colors">Explore Tools</span>
+          <span className="text-sm text-gray-500 group-hover:text-gray-400 transition-colors">Scroll to explore</span>
           <motion.div
             className="w-6 h-10 border-2 border-gray-600 group-hover:border-purple-400 rounded-full p-1 transition-colors"
             animate={{ y: [0, 10, 0] }}