:root {
  --main-color: #7ED957;
  --secondary-color: #FFDE59;
  --clr-gray: #919191;
  --button: #CC7A01;
  --text-color: #fff;
}

* {
  box-sizing: border-box;
  font-family: 'Courier New', Courier, monospace;
}

body {
  margin: 0;
  height: 100%;
  background-color: var(--main-color);
  font-family: Arial, Helvetica, sans-serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

header {
    width: 100%;
    height: 90px;
    background-color: var(--clr-gray);
    margin: 0;
    padding: 0;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 32px;
  cursor: pointer;
}

.banner {
  display: flex;
  align-items: center;
  background-color: var(--clr-gray);
  gap: 20px;
  padding: 20px;
}

.banner img {
  width: 100px;
  border-radius: 50%;
}

.banner a {
  font-size: 40px;
  margin: 0;
  text-decoration: none;
  font-weight: 900;
  color: inherit;
}

.navbar {
  display: block;
  padding: 15px;
  background: var(--secondary-color);
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  width: 100%;
}

.navbar .btn {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 175px;
  height: 50px;
  background-color: var(--button);
  color: #000;
  text-decoration: none;
  border-radius: 20px;
}

.dropdown {
  position: relative;
}

.menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--button);
  min-width: 200px;
  border-radius: 8px;
  display: none;
  flex-direction: column;
  z-index: 1000;
}

.menu a {
  padding: 10px 16px;
  color: var(--text-color);
  text-decoration: none;
}

.menu a:hover {
  background: #ff9800;
}

.dropdown:hover .menu {
  display: flex;
}


main h1 {
  text-align: center;
  margin-bottom: 40px;
}

.wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  justify-items: center;
}

.oefenenBtn {
  display: block;
  width: 100%;
  max-width: 400px;
  height: 250px;
  background-color: var(--secondary-color);
  border-radius: 10px;
  border: 5px solid gray;
  overflow: hidden;
}

.oefenenBtn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.uitleg {
  background-color: var(--secondary-color);
  padding: 30px;
  border-radius: 10px;
}


footer {
  background-color: var(--clr-gray);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  right: 0;
  left: 0;
}

footer a {
  text-decoration: none;
  color: black;
}

footer a {
  text-decoration: none;
  color: black;
}

@media (max-width: 768px) {

  .navbar {
    flex-direction: column;
    align-items: stretch;
  }

  .menu-toggle {
    display: block;
    align-self: flex-end;
    margin-bottom: 10px;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 15px;
  }

  .nav-links.active {
    display: flex;
  }

  .navbar .btn {
    width: 100%;
  }

  .dropdown .menu {
    position: static;
    margin-top: 5px;
  }
}

.box {
  background-color: var(--card-bg);
  max-width: 420px;
  margin: 0 auto;
  padding: 35px;
  border-radius: 15px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.box h1 {
  text-align: center;
  margin-bottom: 30px;
  color: var(--text-color);
}

.form {
  margin-bottom: 20px;
}

.form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.form input {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 15px;
}

.form input:focus {
  outline: none;
  border-color: var(--button);
}

.btn {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: none;
  background-color: var(--button);
  color: #000;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 10px;
}

.btn:hover {
  opacity: 0.9;
}

.register-link {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
}

.register-link a {
  color: var(--button);
  text-decoration: none;
  font-weight: 600;
}

.register-link a:hover {
  text-decoration: underline;
}