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

body,
html {
  font-family: "Segoe UI", sans-serif;
  color: white;
}

.top-nav {
  position: absolute;
  top: 20px;
  right: 30px;
  z-index: 1000;
}

.nav-links a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  font-weight: bold;
  font-size: 14px;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #00c4ff;
}

.hero-section {
  background: url("air.jpg") no-repeat center center/cover;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.overlay {
  background-color: rgba(0, 0, 0, 0.6);
  padding: 40px;
  border-radius: 10px;
  max-width: 1000px;
}

.overlay h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

.overlay p {
  font-size: 1.1em;
  margin: 10px 0;
}

.info-section {
  background: white;
  color: black;
  padding: 50px 10%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.info-box {
  flex: 1;
  margin: 20px;
  min-width: 250px;
}

.info-box h2 {
  margin-bottom: 10px;
  color: #1e2a38;
}
.full-info .info-box {
  padding: 0 20px;
}

.topics-list {
  list-style-type: none;
  padding-left: 0;
  line-height: 1.8;
  font-size: 15px;
}
.participants-section {
  background-color: #f4f4f4;
  padding: 50px 20px;
}

.participants-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
}

.participants-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  margin-right: 30px;
  border-radius: 4px;
}

.participants-text {
  flex: 1;
  min-width: 250px;
  color: #000; /* <-- This makes the text black */
}

.participants-text h2 {
  color: black;
  font-size: 28px;
  margin-bottom: 20px;
}

.participants-text ul {
  list-style-type: square;
  padding-left: 20px;
  line-height: 1.8;
  font-size: 16px;
}

.register-section {
  background-image: url("container.jpg"); /* Replace with actual path */
  background-size: cover;
  background-position: center;
  padding: 100px 0;
  color: white;
  text-align: center;
  position: relative;
}

.register-overlay {
  background-color: rgba(0, 0, 0, 0.5); /* dark overlay */
  padding: 40px;
  display: inline-block;
  border-radius: 8px;
}

.register-button {
  padding: 10px 30px;
  font-size: 16px;
  margin-top: 15px;
  border: none;
  background-color: white;
  color: #007bff;
  border-radius: 5px;
  cursor: pointer;
  transition: 0.3s ease;
}

.register-button:hover {
  background-color: #e6e6e6;
}

.conference-details {
  background-color: #f9f9f9;
  padding: 40px 20px;
  text-align: center;
  font-size: 18px;
  color: black;
}

.contact-footer {
  background-color: #f4f4f4;
  padding: 40px 20px;
  text-align: center;
  font-size: 16px;
  color: #000; /* Make text black */
}

.contact-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 80px; /* Increased gap between items */
  color: #000; /* Ensures all text is black */
}

.contact-item h4 {
  color: #007bff;
  margin-bottom: 10px;
}

.contact-item p {
  margin: 0;
  color: #000; /* Explicitly set black */
}

.contact-item a {
  color: #000; /* Make link text black */
  text-decoration: none;
}

.contact-item a:hover {
  text-decoration: underline;
}
.register-button {
  display: inline-block;
  padding: 10px 20px;
  background-color: white;
  color: #007bff;
  text-decoration: none; /* removes underline */
  border-radius: 8px;
  font-size: 18px;
  font-weight: 500;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s, color 0.3s;
}

.register-button:hover {
  background-color: #007bff;
  color: white;
}

.custom-btn {
  display: inline-block;
  background-color: #007bff; /* Matching Register button color */
  color: white;
  padding: 10px 20px;
  text-decoration: none;
  font-weight: 500;
  border-radius: 8px;
  margin-top: 15px;
  transition: background-color 0.3s ease;
}

.custom-btn:hover {
  background-color: #0056b3; /* Slightly darker on hover */
}

.btn-container {
  text-align: center;
  margin-top: 10px;
}