body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background: #d0ebe6;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  flex-wrap: wrap;
}

.navbar-left .logo {
  font-weight: 700;
  font-size: 24px;
}

.navbar nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.navbar nav a {
  margin: 0 10px;
  color: black;
  text-decoration: none;
  font-weight: 500;
}

.navbar nav a:hover {
  color: #00a88e;
}

.webinar-container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
}

.webinar-header {
  text-align: center;
  margin-bottom: 30px;
}

.webinar-header h1 {
  font-size: 32px;
  color: #00a88e;
}

.webinar-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.webinar-card {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  background: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
}

.webinar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.webinar-title {
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 8px;
  color: #333;
}

.webinar-date {
  color: #666;
  font-size: 14px;
  margin-bottom: 12px;
}

.webinar-description {
  font-size: 14px;
  margin-bottom: 12px;
  color: #555;
}

.webinar-card a {
  display: inline-block;
  padding: 8px 14px;
  background: #00a88e;
  color: #fff;
  border-radius: 4px;
  text-decoration: none;
  font-size: 14px;
}

.webinar-card a:hover {
  background: #008f7a;
}

.webinar-extra {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  font-size: 13px;
  color: #444;
  background: #eef9f7;
  border-radius: 4px;
  padding: 0 10px;
}

.webinar-card:hover .webinar-extra {
  max-height: 100px;
  opacity: 1;
  padding: 10px;
  margin-top: 8px;
}

.webinar-countdown {
  font-size: 14px;
  font-weight: 500;
  color: #00796b;
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

.webinar-card:hover .webinar-countdown {
  color: #004d40;
}

footer {
  background: #d0ebe6;
  padding: 20px;
  text-align: center;
  margin-top: 40px;
}

.footer-container {
  max-width: 1000px;
  margin: 0 auto;
}

.social-icons {
  margin: 10px 0;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.social-icon {
  margin: 0 5px;
  font-size: 20px;
  text-decoration: none;
}

.contact-info p {
  margin: 4px 0;
  font-size: 14px;
  color: #333;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .navbar nav {
    flex-direction: column;
    width: 100%;
    gap: 8px;
    margin-top: 10px;
  }

  .webinar-header h1 {
    font-size: 24px;
  }

  .webinar-title {
    font-size: 16px;
  }

  .webinar-description,
  .webinar-date,
  .webinar-card a {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .webinar-container {
    padding: 0 10px;
  }

  .webinar-header h1 {
    font-size: 20px;
  }

  .webinar-card {
    padding: 15px;
  }

  .webinar-title {
    font-size: 15px;
  }

  .webinar-description,
  .webinar-date,
  .webinar-card a,
  .webinar-countdown {
    font-size: 12px;
  }

  footer {
    padding: 15px 10px;
  }

  .contact-info p {
    font-size: 12px;
  }
}