:root {
  --primary-color: #008AE6;
  --light-primary-color: #E6F4FF;
  --secondary-color: #005999;
  --light-secondary-color: #CCE7FF;
  --tertiary-color: #B3D9FF;
  --dark-color: #31333A;
  --light-color: #FFFFFF;
  --grey-color: #BBC7D4;
  --light-dark-color: #727272;
  --light-grey-color: #f5f5f5;
  --success-color: #28a745;
  --body-font: 'Inter', sans-serif;
  --heading-font: 'Inter', sans-serif;
}

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

body {
  font-family: var(--body-font);
  background-color: var(--light-grey-color);
  color: var(--dark-color);
}

/* Hero Section */
.hero {
  background: linear-gradient(to right, rgba(0, 138, 230, 0.9), rgba(0, 89, 153, 0.85)),
              url('../images/conference.jpg') center/cover no-repeat;
  color: var(--light-color);
  text-align: center;
  align-content: center;
  padding: 6rem 2rem;
  height: 80vh;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  align-content: center;
}

.hero h1 {
  font-family: var(--heading-font);
  font-size: 2.6rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.hero h2 {
  font-size: 1.4rem;
  margin-top: 1rem;
  font-weight: 500;
}

.btn-group {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.btn {
  padding: 0.9rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: 0.3s;
}

/* Buttons */
.member {
  background-color: var(--light-color);
  color: var(--primary-color);
  border: 2px solid var(--light-color);
}

.member:hover {
  background-color: var(--light-primary-color);
  color: var(--secondary-color);
}

.non-member {
  background-color: var(--tertiary-color);
  color: var(--dark-color);
  border: 2px solid var(--tertiary-color);
}

.non-member:hover {
  background-color: var(--light-secondary-color);
  color: var(--secondary-color);
}



/* Responsive Design */
@media (max-width: 768px) {
  

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 4rem 1.5rem;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}