#popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  display: none;
  z-index: 9999;
}

.popup-content {
  background: #fff;
  padding: 10px;
  border-radius: 10px;
  width: 90%;
  max-width: 400px;
  text-align: center;
  position: relative;
}

#popup img {
  width: 100%;
}

#close-popup {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 25px;
  cursor: pointer;
}

/* ===== BASIC STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
  }
  
  body {
    line-height: 1.6;
    color: #333;
  }
  
  .container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
  }
  
  /* ===== NAVBAR ===== */
  .navbar {
    background: #003366;
    color: white;
    padding: 1rem 0;
  }
  
  .navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  
  .logo img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
  }
  
  .nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
  }
  
  .nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
  }
  
  .nav-links a:hover,
  .nav-links a.active {
    color: #ffcc00;
  }
  
  .menu-toggle {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
  }
  
  /* ===== HERO SECTION ===== */
  .hero {
    background: 
      url('../images/hero-bg.jpg') no-repeat center center;
      background-size: 100% 100%;
    color: white;
    text-align: center;
    padding: 120px 20px;
  }
  
  .hero h1 {
    font-size:3rem;
    margin-bottom: 1rem;
  }
  
  .hero p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #140655;
  }
  
  .btn {
    background: #ffcc00;
    color: #003366;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
  }
  
  .btn:hover {
    background: #ffaa00;
  }
  
  /* ===== ABOUT & PROGRAM SECTIONS ===== */
 
  section {
    
    padding: 60px 0;
  }
  
  section h2 {
    text-align: center;
    color: #003366;
    margin-bottom: 20px;
  }
  
  section p {
    text-align: center;
    max-width: 800px;
    margin: auto;
    font-size: 1.05rem;
    color: #000000;
  }
  
  .btn-secondary {
    display: inline-block;
    margin-top: 15px;
    background: #003366;
    color: #fff;
    padding: 8px 18px;
    border-radius: 5px;
    text-decoration: none;
  }
  
  .btn-secondary:hover {
    background: #0055aa;
  }
  
  /* ===== FOOTER ===== */
  footer {
    background: #001a33;
    color: white;
    text-align: center;
    padding: 20px 0;
  }
  
  .footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  
  .socials a {
    color: #ffcc00;
    margin: 0 8px;
    text-decoration: none;
  }
  
  .socials a:hover {
    color: white;
  }
  
  /* ===== RESPONSIVE ===== */
  @media (max-width: 768px) {
    .nav-links {
      display: none;
      flex-direction: column;
      background: #003366;
      position: absolute;
      top: 60px;
      right: 0;
      width: 200px;
      text-align: right;
      padding: 15px;
    }
  
    .nav-links.show {
      display: flex;
    }
  
    .menu-toggle {
      display: block;
    }
  
    .hero h2 {
      font-size: 1.8rem;
    }
  }
  
  /* ===== ABOUT PAGE ===== */
.page-hero {
    background: 
      url('../images/hero-bg.jpg') no-repeat center center/cover;
      background-size: 100% auto;
    color: white;
    text-align: center;
    padding: 100px 20px;
  }
  
  .page-hero h2 {
    font-size: 3rem;
    margin-bottom: 10px;
  }
  
  .about-content {
    padding: 60px 0;
  }
  
  .about-content h2 {
    text-align: center;
    color: #003366;
    margin-bottom: 20px;
  }
  
  .about-content p {
    max-width: 800px;
    margin: auto;
    text-align: center;
    color: #555;
    font-size: 1.05rem;
    line-height: 1.7;
  }
  
  .about-list {
    max-width: 700px;
    margin: 20px auto;
    list-style: none;
    text-align: left;
    font-size: 1.05rem;
    line-height: 1.8;
    color: #333;
  }
  
  .light-bg {
    background-color: #f5f8fc;
  }
  
  /* ===== program PAGE ===== */


.program-hero {
    background: 
      url('../images/hero-bg.jpg') no-repeat center center/cover;
      background-size: 100% auto;
    color: white;
    text-align: center;
    padding: 100px 20px;
  }
  
  .program-main {
    padding: 60px 0;
  }
  
  .program-main h2 {
    text-align: center;
    color: #003366;
    margin-bottom: 20px;
  }
  
  .program-main p {
    text-align: center;
    max-width: 800px;
    margin: auto;
    color: #555;
    line-height: 1.7;
  }
  
  .program-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 40px;
  }
  
  .detail-card {
    background: #f5f8fc;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  }
  
  .detail-card h3 {
    color: #003366;
    margin-bottom: 10px;
  }
  
  .detail-card ul {
    list-style: none;
    line-height: 1.8;
    color: #333;
  }
  
  .program-btns {
    text-align: center;
    margin-top: 30px;
  }
  
  .future-programs {
    padding: 60px 0;
  }
  
  .future-programs h2 {
    text-align: center;
    color: #003366;
  }
  
  .future-programs p {
    text-align: center;
    color: #555;
    margin-bottom: 20px;
  }
  

  /* ===== registration PAGE ===== */

  .registration {
    padding: 60px 20px;
    text-align: center;
    background-color: #f9f9f9;
  }
  
  .registration h1 {
    font-size: 2.5rem;
    color: #003366;
    margin-bottom: 10px;
  }
  
  .registration p {
    max-width: 800px;
    margin: 0 auto 30px;
    color: #333;
    line-height: 1.6;
  }
  
  .registration ul {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
  }
  
  .registration li {
    font-size: 1.1rem;
    color: #444;
    margin: 8px 0;
  }
  
  .form-container {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
  }
  
  /* ===== CONTACT PAGE ===== */
  .contact {
    padding: 60px 20px;
    background: #f9f9f9;
  }
  
  .contact h1 {
    text-align: center;
    color: #003366;
    margin-bottom: 10px;
  }
  
  .contact p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #444;
  }
  
  .contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
  }
  
  .contact-form, .contact-info {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
  }
  
  .contact-form h2, .contact-info h2 {
    color: #003366;
    margin-bottom: 15px;
  }
  
  .contact-form input, .contact-form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 1rem;
  }
  
  .contact-form button {
    background: #003366;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s;
  }
  
  .contact-form button:hover {
    background: #0055a5;
  }
  
  .contact-info ul {
    list-style: none;
    padding: 0;
  }
  
  .contact-info li {
    margin: 5px 0;
  }
  
  .contact-info a {
    color: #0055a5;
    text-decoration: none;
  }
  
  .contact-info a:hover {
    text-decoration: underline;
  }
  

  /* ===== tech club section ===== */
  .techclub {
    background: #f0f6ff;
    padding: 60px 20px;
    text-align: center;
  }
  
  .techclub h1 {
    color: #003366;
    font-size: 2.5rem;
    margin-bottom: 15px;
  }
  
  .techclub .intro {
    max-width: 850px;
    margin: 0 auto 50px;
    line-height: 1.6;
    color: #333;
  }
  
  .club-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
  }
  
  .highlight {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
  }
  
  .highlight:hover {
    transform: translateY(-5px);
  }
  
  .highlight h3 {
    color: #003366;
    margin-bottom: 10px;
  }
  
  .join-section {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    max-width: 800px;
    margin: 0 auto;
  }
  
  .join-section h2 {
    color: #003366;
    margin-bottom: 15px;
  }
  
  .join-section ul {
    text-align: left;
    display: inline-block;
    margin: 15px auto;
    color: #444;
  }
  
  .join-button a {
    background: #003366;
    color: #fff;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.3s;
  }
  
  .join-button a:hover {
    background: #0055a5;
  }