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

body {
  font-family: Monaco, sans-serif;
  line-height: 1.6;
  background: #2f2f4f;
  color: #dfdfdf;
  padding-bottom: 100px;
}

header {
  background: #2f2f4f;
  padding: 2rem 0;
  text-align: center;
}

td {
  padding: 0 0.2rem;
}

.course-info {
  font-size: 1.2rem;
}

.header-content { 
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

#site-title {
  color: #dfdfdf;
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.header-content {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: #dfdfdf;
}

#site-tagline {
  color: #dfdfdf;
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.cta-buttons a {
  display: inline-block;
  margin: 1rem;
  padding: 0.5rem 1rem;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  color: 2f2f4f;
}

.btn-primary {
  background: #c4c4c4;
  color: #fff;
  border: 1px solid #dfdfdf;
}

.btn-primary:hover {
  background: #e4e4e4;
}

.features {
  background: #2f2f4f;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 3rem 20rem;
}

.feature-card {
  background: #c4c4c4;
  border: 1px solid #dfdfdf;
  border-radius: 10px;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: #e4e4e4;
}

.feature-card h2 {
  margin-bottom: 0.8rem;
  color: #2f2f4f;
}

.feature-card p {
  color: #2f2f4f;
}

footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
  padding: 1.2rem 0;
  font-size: 0.9rem;
  color: #2f2f4f;
  background: #c4c4c4;
  border-top: 1px solid #dfdfdf;
  border-bottom: 1px solid #dfdfdf;
}

#login-section {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1.5rem;
}

.login-card {
  background: #3f3f5f;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  text-align: center;
}

.login-card h2 {
  margin-bottom: 1.5rem;
  color: #2f2f4f;
}

.login-card label {
  text-align: left;
  font-weight: bold;
  color: #2f2f4f;
}

.login-card input {
  padding: 1rem;
  border: 1px solid #ccc;
  border-radius: 10px;
  font-size: 1rem;
}

.login-card button {
  margin-top: 2rem;
}

.points {
  background: #2f2f4f;
  border: 1px solid #ccc;
  border-radius: 10px;
  color: #dfdfdf;
  text-align: center;
  width: 40px;
}

table {
  margin: 0 auto;
}