body {
  margin: 0;
  font-family: sans-serif;
  background: url('images/background.jpg') center/cover no-repeat fixed;
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  text-align: center;
  width: 100%;
  padding: 1em;
  text-shadow: 1px 1px 4px black;
  backdrop-filter: blur(6px);
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1em;
  width: 100%;
  max-width: 800px;
}

.nav-link {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.75em;
  margin: 0.5em;
  border-radius: 12px;
  color: white;
  text-decoration: none;
  width: 100%;
  text-align: center;
  transition: background 0.3s;
}

/* Hover and touch feedback */
.nav-link:hover,
.nav-link:active,
.nav-link:focus {
  background: rgba(255, 0, 0, 0.4);
}

.nav-button {
  display: inline-block;
  margin: 10px;
  padding: 8px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.3);
  color: white;
  text-decoration: none;
  font-size: 1.1em;
  transition: background 0.3s, color 0.3s;
}

/* Hover and touch feedback */
.nav-button:hover,
.nav-button:active,
.nav-button:focus {
  background: rgba(255, 0, 0, 0.5);
  color: white;
}

.content-box {
  background: rgba(255, 255, 255, 0.15);
  padding: 1em;
  margin: 1em;
  border-radius: 10px;
  max-height: 60vh;
  overflow-y: auto;
  white-space: pre-wrap;
  width: 90%;
  max-width: 800px;
}

.title-link {
  color: lightgray;
  text-decoration: none;
  transition: color 0.3s;
}

/* Hover and tap feedback */
.title-link:hover {
  color: red;
}

/* Media query for small screens */
@media (max-width: 600px) {
  .nav-link,
  .content-box {
    font-size: 1em;
  }

  header h1 {
    font-size: 1.4em;
  }