html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  background: #FAF9F6;
  color: #1D1D1D;
}

header {
  background: #264653;
  color: white;
  padding: 1em;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.header-left {
  flex: 0 0 80%;
  text-align: center;
}

.header-left h1 {
  font-size: 2.5em;
  font-weight: bold;
  margin: 0.5em 0;

}

.header-right {
  flex: 0 0 20%;
  text-align: right;
  font-size: 0.9em;
  line-height: 1.4;
}

nav {
  margin-top: 1em;
  text-align: center;
}

nav a,
footer a {
  margin: 0 1em;
  color: #E76F51;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover,
footer a:hover {
  color: #F4A261;
}

main {
  flex: 1;
  padding: 2em;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1em;
}

th, td {
  border: 1px solid #F4A261;
  padding: 0.5em;
  text-align: left;
  background-color: #fff;
}

footer {
  background: #264653;
  color: white;
  text-align: center;
  padding: 1em;
  font-size: 0.9em;
}

footer a {
  color: #2A9D8F;
  text-decoration: none;
}

footer a:hover {
  color: #E76F51;
}

ul {
  margin-bottom: 1em;
}

ul ul {
  margin-top: 0.5em;
  margin-bottom: 0.5em;
  padding-left: 1.5em;
}

ul ul li {
  margin-bottom: 0.4em;
}

li {
  margin-bottom: 0.5em;
}

a {
  color: #E76F51;
  text-decoration: none;
}

a:hover {
  color: #F4A261;
}

.organizer {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 2em;
  gap: 1.5em;
}

.organizer-left {
  flex: 0 0 120px;
  max-width: 120px;
}

.organizer-left img {
  width: 100%;
  height: auto;
  border-radius: 50%;
}

.organizer-right {
  flex: 1;
  min-width: 250px;
}

.organizer-right h3 {
  margin: 0;
  font-size: 1.2em;
}

.organizer-right p {
  margin: 0.3em 0;
}

.bio {
  font-size: 0.95em;
  color: #333;
}

.organizer .copyright {
  font-size: 0.8em;
  color: #555;
  margin-top: 0.5em;
}