/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background: #ffffff;
    color: #333;
    line-height: 1.6;
  }
  
  h1, h2, h3 {
    font-weight: 600;
    margin-bottom: 20px;
  }
  
  p {
    margin-bottom: 15px;
  }
  
  /* Navbar */
  #navbar, .navbar {
    background: #ffffff;
    padding: 15px 0;
    box-shadow: 0px 2px 5px rgba(0,0,0,0.05);
  }
  
  .navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
  }
  
  .nav-link {
    margin-left: 20px;
    font-weight: 500;
    color: #333;
  }
  
  .nav-link:hover {
    color: #0d6efd;
  }
  
  /* Hero Section */
  .hero-section {
    height: 90vh;
    background: linear-gradient(to right, #f8f9fa, #ffffff);
    padding-top: 25vh;
    text-align: center;
  }
  
  .hero-section h1 {
    font-size: 3rem;
    color: #333;
  }
  
  .hero-section p {
    font-size: 1.5rem;
    color: #555;
  }
  
  /* Section General */
  .section, section {
    padding: 80px 20px;
  }

  .hero-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background-color: #f2f2f2; /* light grey */
    z-index: 0;
  }
  
  .hero-section {
    height: 100vh;
    padding-top: 20vh;
    background: none;
    color: #333;
  }
  
  .z-1 {
    z-index: 1;
  }
  
  .social-icons a {
    font-size: 1.5rem;
    margin: 0 10px;
    color: #333;
  }
  
  .social-icons a:hover {
    color: #007bff;
  }
  
  .scroll-btn {
    margin-top: 1.5rem;
  }
  
  /* Project Cards */
  .card {
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: transform 0.2s ease;
  }
  
  .card:hover {
    transform: translateY(-5px);
  }

    /* Image should take top space only */
  .card-img-top {
    border-bottom: 1px solid #eee;
    object-fit: cover;
    height: 180px;
    width: 100%;
  }

  .card-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 10px;
  }

  /* Card Description */
  .card-text {
    font-size: 0.95rem;
    color: #4b5563;
    margin-bottom: 20px;
    line-height: 1.4;
  }

  /* Learn More Button Margin */
  .card .btn.learn-more-btn {
    margin-top: 10px;
  }
  
  /* Footer */
  footer {
    background: #f9f9f9;
    font-size: 0.9rem;
    color: #777;
    padding: 20px 0;
    text-align: center;
    margin-top: 40px;
  }
  
  /* Smooth Scroll */
  html {
    scroll-behavior: smooth;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .hero-section h1 {
      font-size: 2.5rem;
    }
  }
  
  #particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0; left: 0;
    background: transparent; /* transparent to see background color */
    z-index: 0;
  }
  
  .hero-section {
    height: 100vh;
    overflow: hidden;
    color: #333;
  }
  
  .container.z-1 {
    position: relative;
    z-index: 1;
  }
  
  .social-icons a {
    font-size: 1.8rem;
    margin: 0 10px;
    color: #333;
  }
  
  .social-icons a:hover {
    color: #007bff;
  }
  
  .scroll-btn {
    margin-top: 2rem;
  }
  
  section {
    padding: 80px 0;
  }
  
    /* Contact Form Styling */
  .custom-input {
    border: 1.5px solid #e5e7eb;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 1rem;
    background-color: #fff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .custom-input:focus {
    border-color: #6366F1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    outline: none;
  }

  form .form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #374151;
  }

  /* Align send button to right if you prefer */
  #contact button[type="submit"] {
    margin-top: 10px;
  }
  
  .alert {
    max-width: 500px;
    margin: 0 auto 20px;
    border-radius: 8px;
    font-size: 0.95rem;
    padding: 12px 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  }
  /* Custom Navbar Toggler */
  .custom-toggler {
    background-color: #eeeeee;
    border: none;
    border-radius: 16px;
    padding: 10px;
    width: 56px;
    height: 56px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  /* Icon lines */
  .menu-icon,
  .menu-icon::before,
  .menu-icon::after {
    display: block;
    content: "";
    background-color: #111;
    height: 3px;
    width: 24px;
    border-radius: 2px;
    transition: all 0.3s ease;
    position: relative;
  }

  .menu-icon::before {
    position: absolute;
    top: -8px;
  }

  .menu-icon::after {
    position: absolute;
    top: 8px;
  }