* {
  font-family: arial;
}

/* var */
:root {
  --primary: #1a2130;
  --primary-blur: rgb(26, 33, 48, 0.6);
  --secondary: #fdffe2;
  --three: #273550;
  --four: #83b4ff;

  --font-small: 1rem;
  --font-medium: 1.5rem;
  --font-large: 2rem;
}

/* reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: var(--secondary);
}

/* styling */
.body-index {
  background-color: var(--three);color: var(--secondary);
}

main {
  margin-top: 100px;
  /* Adjust based on the actual height of your navbar */
}

.container {
  margin-top: 65px;
  margin-right: 100px;
  margin-left: 100px;
  margin-bottom: 65px;
  margin: 65px 100px;
  /* Adjusted for clear separation from the 55px header */
  /* Additional styles for the container can go here */
}

nav {
  display: flex;
  margin-bottom: 20px;
  top: 0;
  width: 100%;
  padding: 0 15px;
  height: 70px;
  font-size: var(--font-medium);
  background-color: var(--primary-blur);
  z-index: 1000;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--secondary);
  box-shadow: 0 0 100px black;
}

.nav-index {
  position: fixed;
}

.left a {
  font-weight: bold;
}

.right a {
  margin-left: 20px;
}

.right {
  display: flex;
}

.hover-text {
  transition: 0.3s;
}

.hover-text:hover {
  color: var(--four);
  text-shadow: 0px 0px 4px var(--four);
  transition: 0.3s;
}

.nav-burger:focus {
  color: var(--four);
  transition: 0.3s;
}

.nav-burger {
  display: none;
  cursor: pointer;
  background: none;
  line-height: 0;
  border: none;
  color: var(--secondary);
  font-size: var(--font-medium);
}

.dropdown {
  
  display: none;
}

@media (max-width: 700px) {
  .link-1 {
    display: none;
  }

  .dropdown-content {
    display: none;
    /* Ensure dropdown content is hidden by default */
  }

  .nav-burger {
    display: block;
  }

  .right a {
    margin-left: 0;
  }
}

.dropdown-content a {
  margin: 0;
}

.dropdown {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.dropdown-content {
  border: 1px solid var(--primary);
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
  right: 0px;
  top: 34px;
}

.dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

.dropdown-content a:hover {
  background-color: var(--primary);
}

.dropdown-btn {
  background-color: #4caf50;
  color: white;
  padding: 10px;
  border: none;
  cursor: pointer;
}

/* main */

/*  HERO */
.hero {
  margin-bottom: 35px;
}

.title-hero {
  font-size: var(--font-large);
  font-weight: bold;
}

.sub-hero {
  font-size: var(--font-small)
}



/* LESSON TABLE */
table,
th,
td {
  border: 1px solid var(--secondary);
  border-collapse: collapse;
}

.table-responsive {
  overflow-x: auto; /* Enables horizontal scrolling */
}

table {
  background-color: var(
    --primary
  ); /* Light grey background for the container */
  margin-left: auto;
  margin-right: auto;
  /* background-color: var(--four) Light grey background */
  width: 100%; /* Makes the table width responsive */
  border-collapse: collapse;
}

td,
th {
  width: 1000px;
  text-align: center;
}

td {
  height: 35px;
}

@media screen and (max-width: 700px) {
  table,
  th,
  td {
    width: auto; /* Adjust width to be more flexible */
    padding: 5px; /* Reduce padding to save space */
  }

  td,
  th {
    /* Optional: Reduce font size for smaller screens */
    font-size: 0.8rem;
  }

  .container {
    margin-right: 25px;
    margin-left: 25px;
  }
}

@media screen and (max-width: 480px) {
  th,
  td {
    font-size: 0.7rem; /* Even smaller font size */
  }
}

.table-hover:hover {
  background-color: var(--secondary);
}

.table-hover:hover a,
.table-hover:hover td {
  color: var(--primary);
}

.table-hover:hover .table-text-hover {
  text-shadow: 0 0 4px var(--primary);
}

.table-text-hover {
  color: var(--four);
  text-shadow: 0 0 4px var(--four);
  transition: 0.3s;
}
.table-text-hover:hover {
  font-weight: bold;
  color: var(--primary);
  text-shadow: 0px 0px 4px var(--primary);
  transition: 0.3s;
}