/* CSS Variables */
:root {
    --primary-color: #3498db;   /* brand color */
    --secondary-color: #ffffff; /* text on primary backgrounds */
    --text-color: #333333;      
    --background-color: #ffffff;
    --font-family: 'Roboto', sans-serif;
    --heading-font: 'Montserrat', sans-serif;
  }
  
  /* Import Google Fonts (optional)
     @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600&family=Roboto&display=swap');
  */
  
  /* RESET + BASE */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
    height: 100%;
  }
  
  body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* So footer stays bottom if content is short */
  }
  
  /* The hero (main) fills remaining space above the footer */
  main.hero {
    flex: 1;
    display: flex;
    align-items: center;
  }
  
  /* Container */
  .container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  /* NAVBAR */
  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 1rem 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
  }
  
  .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo {
    font-family: var(--heading-font);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-decoration: none;
  }
  
  /* Desktop nav links */
  .nav-links {
    list-style: none;
    display: flex;
    align-items: center;
  }
  
  .nav-links li {
    margin-left: 1.5rem;
  }
  
  .nav-links a {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
  }
  
  .nav-links a:hover {
    color: #2c3e50;
  }
  
  /* HAMBURGER - hidden on wide screens, shown on mobile in media query */
  .toggle {
    display: none;
    /* We'll add some margin to keep it away from the right edge */
    margin-right: 1rem;
    cursor: pointer;
  }
  
  .hamburger-icon {
    font-size: 1.4rem; /* size for the unicode character */
    user-select: none;
  }
  
  /* HERO */
  .hero-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    width: 100%;
    padding-top: 70px; /* space for fixed navbar */
    padding-bottom: 40px;
    text-align: center;
  }
  
  .hero-text {
    flex: 1 1 300px;
  }
  
  .hero-text h1 {
    font-family: var(--heading-font);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
  }
  
  .hero-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    max-width: 600px;
    margin: 0 auto 1.5rem;
  }
  
  .hero-btns {
    margin-top: 1rem;
  }
  
  .btn {
    padding: 0.75rem 1.5rem;
    background-color: #2980b9;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    margin-right: 0.5rem;
    transition: background-color 0.3s ease, transform 0.3s ease;
  }
  .btn:hover {
    background-color: #1f6391;
    transform: translateY(-2px);
  }
  .highlight {
    background-color: #e67e22;
  }
  .highlight:hover {
    background-color: #cf660d;
  }
  
  .hero-image {
    flex: 1 1 300px;
  }
  
  .hero-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 12px rgba(0, 0, 0, 0.1);
  }
  
  /* FOOTER */
  footer {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 1.5rem 0;
    text-align: center;
  }
  
  .footer-container p {
    margin: 0;
  }
  
  /* MEDIA QUERIES */
  
  /* For screens below 992px (tablet, phone) */
  @media (max-width: 992px) {
    .toggle {
      display: block; /* show the hamburger icon on narrower screens */
    }
    .nav-links {
      display: none;  /* hide the horizontal nav links */
      flex-direction: column;
      background-color: var(--primary-color);
      position: absolute;
      top: 60px;  /* below the navbar */
      right: 0;
      width: 200px;
      padding: 1rem;
    }
    .nav-links.active {
      display: flex; /* shown when toggled */
    }
    .nav-links li {
      margin: 1rem 0;
      text-align: center;
    }
    .hero-content {
      flex-direction: column;
    }
    .hero-image img {
      width: 80%;
    }
  }
  
  /* For very small screens (phones) */
  @media (max-width: 576px) {
    .hero-text h1 {
      font-size: 2rem;
    }
    .hero-text p {
      font-size: 1rem;
    }
    .hero-text,
    .hero-image {
      flex: 1 1 100%;
    }
  }