<div class="isolate bg-white">
  <div class="absolute inset-x-0 top-[-10rem] -z-10 transform-gpu overflow-hidden blur-3xl sm:top-[-20rem]">
    <svg class="relative left-[calc(50%-11rem)] -z-10 h-[21.1875rem] max-w-none -translate-x-1/2 rotate-[30deg] sm:left-[calc(50%-30rem)] sm:h-[42.375rem]" viewBox="0 0 1155 678" fill="none" xmlns="http://www.w3.org/2000/svg">
      <path fill="url(#45de2b6b-92d5-4d68-a6a0-9b9b2abad533)" fill-opacity=".3" d="M317.219 518.975L203.852 678 0 438.341l317.219 80.634 204.172-286.402c1.307 132.337 45.083 346.658 209.733 145.248C936.936 126.058 882.053-94.234 1031.02 41.331c119.18 108.451 130.68 295.337 121.53 375.223L855 299l21.173 362.054-558.954-142.079z" />
      <defs>
        <linearGradient id="45de2b6b-92d5-4d68-a6a0-9b9b2abad533" x1="1155.49" x2="-78.208" y1=".177" y2="474.645" gradientUnits="userSpaceOnUse">
          <stop stop-color="#9089FC"></stop>
          <stop offset="1" stop-color="#FF80B5"></stop>
        </linearGradient>
      </defs>
    </svg>
  </div>
  <div class="px-6 pt-6 lg:px-8 mb-5">
    <div>
      <nav class="flex h-9 items-center justify-between" aria-label="Global">
        <div class="flex lg:min-w-0 lg:flex-1" aria-label="Global">
          <a href="#" class="-m-1.5 p-1.5">
            <span class="sr-only">Your Company</span>
            <img class="h-8" src="./../../images/icon.png" alt="">
          </a>
        </div>
        <div class="flex lg:hidden">
          <button type="button" class="-m-2.5 inline-flex items-center justify-center rounded-md p-2.5 text-gray-700">
            <span class="sr-only">Open main menu</span>
            <!-- Heroicon name: outline/bars-3 -->
            <svg class="h-6 w-6" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" aria-hidden="true">
              <path stroke-linecap="round" stroke-linejoin="round" d="M3.75 6.75h16.5M3.75 12h16.5m-16.5 5.25h16.5" />
            </svg>
          </button>
        </div>
        <div class="hidden lg:flex lg:min-w-0 lg:flex-1 lg:justify-center lg:gap-x-12">
          <a href="/" class="<?= urlIs('/') ?> font-semibold text-gray-900 hover:text-gray-900">Home</a>
          <a href="/learn" class="<?= urlIs('/learn') ?>font-semibold text-gray-900 hover:text-gray-900">Lernen</a>
          <a href="/mathe" class="<?= urlIs('/mathe') ?>font-semibold text-gray-900 hover:text-gray-900">Mathe</a>
          <a href="/game" class="<?= urlIs('/game') ?>font-semibold text-gray-900 hover:text-gray-900">Game</a>
        </div>
        <div class="hidden lg:flex lg:min-w-0 lg:flex-1 lg:justify-end">
          <a href="/login" class="<?= urlIs('/login') ?> nes-btn">Anmelden</a>
          <a href="/register" class="<?= urlIs('/register') ?> nes-btn">Registrieren</a>
        </div>
      </nav>
      <!-- Mobile menu, show/hide based on menu open state. -->
      <div role="dialog" aria-modal="true">
        <div focus="true" class="fixed inset-0 z-10 overflow-y-auto bg-white px-6 py-6 lg:hidden">
          <div class="flex h-9 items-center justify-between">
            <div class="flex">
              <a href="#" class="-m-1.5 p-1.5">
                <span class="sr-only">Your Company</span>
                <img class="h-8" src="./../../images/icon.png" alt="">
              </a>
            </div>
            <div class="flex">
              <button type="button" class="-m-2.5 inline-flex items-center justify-center rounded-md p-2.5 text-gray-700">
                <span class="sr-only">Close menu</span>
                <!-- Heroicon name: outline/x-mark -->
                <svg class="h-6 w-6" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" aria-hidden="true">
                  <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12" />
                </svg>
              </button>
            </div>
          </div>
          <div class="mt-6 flow-root">
            <div class="-my-6 divide-y divide-gray-500/10">
              <div class="space-y-2 py-6">
                <a href="/" class="<?= urlIs('/') ?> -mx-3 block rounded-lg py-2 px-3 text-base font-semibold leading-7 text-gray-900 hover:bg-gray-400/10">Home</a>

                <a href="/learn" class="<?= urlIs('/learn') ?> -mx-3 block rounded-lg py-2 px-3 text-base font-semibold leading-7 text-gray-900 hover:bg-gray-400/10">Lernen</a>
                <a href="/mathe" class="<?= urlIs('/mathe') ?> -mx-3 block rounded-lg py-2 px-3 text-base font-semibold leading-7 text-gray-900 hover:bg-gray-400/10">Mathe</a>
                <a href="/game" class="<?= urlIs('/game') ?> -mx-3 block rounded-lg py-2 px-3 text-base font-semibold leading-7 text-gray-900 hover:bg-gray-400/10">Game</a>
              </div>
              <div class="py-6">
                <a href="/login" class="-mx-3 block rounded-lg py-2.5 px-3 text-base font-semibold leading-6 text-gray-900 hover:bg-gray-400/10">Anmelden</a>
                <a href="/register" class="-mx-3 block rounded-lg py-2.5 px-3 text-base font-semibold leading-6 text-gray-900 hover:bg-gray-400/10">Registrieren</a>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>
