Barra de navegación de degradado vidrioso

<nav class="fixed w-full backdrop-blur-lg bg-gradient-to-r from-purple-500/30 via-pink-500/30 to-indigo-500/30 border-b border-white/10 transition-all duration-300 z-50">
  <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
    <div class="flex items-center justify-between h-16">
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        <a href="#" class="flex items-center">
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      <!-- Menu Items -->
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        <div class="ml-10 flex items-baseline space-x-8">
          <a href="#" class="group relative px-3 py-2 text-white font-medium">
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      <!-- CTA Button -->
      <div>
        <button class="relative overflow-hidden px-6 py-2 bg-white/10 border border-white/20 rounded-full text-white font-medium hover:bg-white/20 transition-all duration-300 group">
          <span class="relative z-10">Get Started</span>
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      <!-- Mobile menu button -->
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