:root {
  --primary-color: #293241;
  --secondary-color: #3d5a80;
  --accent-color: #4CAF50;
  --button-hover-color: #3e8e41;
  --float-background-color: rgba(255, 255, 255, 0.8);
  --hamburger-menu-background-color: rgba(255, 255, 255, 0.9);
  --nav-text-color: #eeeeee;
  --title-text-color: #000000;
  --main-text-color: #eeeeee;
}

body {
  margin: 0;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: url('background.webp') no-repeat center center fixed;
  background-size: cover;
  color: var(--primary-color);
  font-size: 25px;
  overflow-x: hidden;
}

.overlay {
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background-color: var(--float-background-color);
  font-size: 20px;
  color: var(--title-text-color);
  border: 2px solid var(--primary-color);
  border-radius: 20px;
  margin: 10px;
  position: relative;
  z-index: 999;
}

header .logo {
  display: flex;
  align-items: center;
}

header .logo img {
  height: 70px;
  margin-right: 20px;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 40px;
}

nav ul li a {
  text-decoration: none;
  color: var(--nav-text-color);
  font-weight: bold;
  font-size: 30px;
  padding: 10px 20px;
  background-color: var(--accent-color);
  border-radius: 10px;
  transition: background-color 0.3s ease;
  white-space: nowrap;
}

nav ul li a:hover {
  background-color: var(--button-hover-color);
}

/* the hamburger menu button, hidden by default */
button.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2.4rem;
  color: var(--title-text-color);
  cursor: pointer;
  margin-left: 16px;
  margin-right: 0.5em;
}

@media (max-width: 1150px) {
  header {
    flex-wrap: wrap;
  }

  nav ul {
    display: none;
    flex-direction: column;
    background-color: var(--hamburger-menu-background-color);
    position: absolute;
    top: 100%;
    right: 10px;
    min-width: 180px;
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: 0 6px 16px var(--accent-color));
    padding: 20px;
    padding-top: 30px;
    padding-bottom: 30px;
    z-index: 999;
  }

  button.nav-toggle {
    display: block;
  }

  div.login-button-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    row-gap: 20px;
  }
}

nav ul.open {
  display: flex;
}

main {
  flex: 1;
  padding:0;
  max-width: 80%;
  margin: 0 auto;
}

@media (max-width: 700px) {
  main {
    max-width: 100%;
    margin-left: 10px;
    margin-right: 0.5em;
  }
}

h2 {
    text-align: center;
}

.content-box {
  border: 2px solid var(--primary-color);
  border-radius: 20px;
  padding: 20px;
  background-color: var(--float-background-color);
  color: var(--title-text-color);
  width: calc(100% - 40px);
}

.bottom-row {
    text-align: center;
}

.get-started-button {
  display: inline-block;
  text-decoration: none;
  color: var(--main-text-color);
  font-weight: bold;
  font-size: 30px;
  padding: 10px 20px;
  background-color: var(--accent-color);
  border-radius: 10px;
  transition: background-color 0.3s ease;
  margin-top: 20px;
  white-space: nowrap;
}

.get-started-button:hover {
  background-color: #3e8e41;
}

div.column-container {
    padding-right: 20%;
    padding-left: 20%;
    column-count: 2;
}

footer {
  border: 2px solid var(--primary-color);
  border-radius: 20px;
  padding: 5px;
  background-color: var(--float-background-color);
  text-align: center;
  margin: 10px;
  margin-top: 30px;
}

div.login-button-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 10px;
    justify-items: center;
    align-items: center;
}

a.login-button {
  text-decoration: none;
  color: var(--main-text-color);
  font-weight: bold;
  font-size: 30px;
  padding: 10px 20px;
  background-color: var(--accent-color);
  border-radius: 10px;
  transition: background-color 0.3s ease;
  white-space: nowrap;
}

a.login-button:hover {
  background-color: var(--button-hover-color);
}

.no-wrap {
  white-space: nowrap;
}