/* =========================================
   BASIC RESETS
   ========================================= */
   * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial, sans-serif;
    color: #333;
    line-height: 1.5;
  }
  
  /* =========================================
     HEADER / NAVBAR
     ========================================= */
  .homepage_header {
    background-color: #ffffff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }
  
  /* Constrain the navbar content to 1200px */
  .homepage_navbar-container {
    display: flex;
    justify-content: space-between; /* pushes logo and nav/hamburger apart */
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem;  
    position: relative; /* needed for absolute-positioned dropdown on mobile */
  }
  
  /* Logo + Award text */
  .homepage_logo-section {
    display: flex;
    align-items: center;
    gap: 1rem; 
  }
  
  .homepage_nsf-logo {
    height: 70px;
    width: auto;
  }
  
  .homepage_award-text {
    font-size: 1rem;
  }
  
  /* =========================================
     HAMBURGER MENU STYLES
     ========================================= */
  /* Hidden on desktop, visible on mobile */
  .homepage_menu-toggle {
    display: none; 
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
  }
  
  .homepage_hamburger-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333; /* or #f57c00 if you prefer */
    border-radius: 2px;
    transition: background-color 0.3s;
  }
  
  /* =========================================
     NAVIGATION MENU
     ========================================= */
  /* Active Nav Link (desktop or mobile) */
  .homepage_nav-list li a.active {
    color: #f57c00; 
    font-weight: bold;
  }
  
  /* Desktop Nav */
  .homepage_nav {
    margin-right: 2rem;
  }
  
  /* By default, horizontal nav on large screens */
  .homepage_nav-list {
    display: flex;
    list-style: none;
    gap: 1rem;
    transition: max-height 0.3s ease; /* used for mobile dropdown animation */
  }
  
  /* Nav links */
  .homepage_nav-list li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.2s ease-in-out;
  }
  
  .homepage_nav-list li a:hover {
    color: #f57c00; /* orange highlight */
  }
  
  
  
  /* =========================================
     MAIN SECTION
     ========================================= */
  .homepage_main-section {
    display: flex;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    align-items: center;
    justify-content: space-between;
  }
  
  /* Left Text Content */
  .homepage_text-content {
    flex: 1 1 500px;
    margin-right: 2rem;
  }
  
  .homepage_main-heading {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
  }
  
  .homepage_highlight {
    color: #f57c00; /* orange highlight */
  }
  
  /* Project Info Box */
  .homepage_project-info-box {
    background-color: #fff;
    border: 1px solid #ddd;
    margin-bottom: 1rem;
    border-radius: 4px;
    padding: 1rem; 
  }
  
  .homepage_project-info-header {
    background-color: #f57c00;
    color: #fff;
    font-weight: bold;
    padding: 0.75rem 1rem;
    font-size: 1.2rem;
  }
  
  .homepage_project-info-body {
    color: #f57c00;
    padding: 1rem;
    font-size: 1rem;
    line-height: 1.5;
  }
  
  /* Button Centering Container */
  .homepage_project-info-action {
    text-align: center;
    margin-top: 1rem;
  }
  
  /* CTA Button */
  .homepage_cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: #f57c00;
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s ease-in-out;
  }
  
  .homepage_cta-button:hover {
    background-color: #333;
  }
  
  /* Arrow icon styling */
  .homepage_arrow-icon {
    width: 16px;
    height: auto;
  }
  
  /* Right Image Container */
  .homepage_image-container {
    flex: 1 1 400px;
    display: flex;
    justify-content: center;
    margin-top: 2rem;
  }
  
  .homepage_building-image {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  /* =========================================
     INTELLECTUAL MERIT & BROADER IMPACTS
     ========================================= */
  .homepage_info-row {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    justify-content: space-between;
  }
  
  .homepage_info-col {
    flex: 0 0 calc(50% - 1rem);
    background-color: #f2f2f2;
    border-radius: 6px;
    padding: 1rem;
    box-sizing: border-box;
  }
  
  .homepage_info-heading {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: #e06900;
  }
  
  .homepage_info_text {
    padding: 4px;
    margin-bottom: 5px;
  }
  
  /* Bullet list styling */
  .homepage_bullet-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  
  .homepage_bullet-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
  }
  
  .homepage_bullet-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.4em;
    width: 8px;
    height: 8px;
    background-color: #f57c00;
    border-radius: 50%;
  }
  
  /* =========================================
     TASK OVERVIEW SECTION
     ========================================= */
  .homepage_task-overview {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    text-align: center;
  }
  
  .homepage_task-heading {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #f57c00;
  }
  
  .homepage_task-image {
    max-width: 100%;
    height: auto;
  }

  /* FOOTER
   ========================================= */
   .homepage_footer {
    background-color: #f8f8f8;
    padding: 1rem 2rem;
    margin-top: 2rem;
  }
  
  .homepage_footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    /* center the single contact block now that it's the only item */
    justify-content: center;
  }  
  
/* CONTACT BLOCK */
.footer-contact {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.homepage_connect-icon {
  width: 50px;
  height: 50px;
}

.homepage_contact-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.homepage_contact-title {
  font-size: 1rem;
}

.homepage_contact-email {
  color: #f57c00;
  font-weight: bold;
  font-size: 1rem;
}

/* Partner logos—smaller than NSF logo */
.homepage_partner-logo {
  height: 40px;      
  width: auto;
}

.homepage_contact-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
  
/* =========================================
   MOBILE LAYOUT OVERRIDES
   ========================================= */
   @media (max-width: 768px) {

    /* — HEADER — */
    .homepage_navbar-container {
      flex-wrap: nowrap;
    }
    .homepage_header {
      padding: 0.8rem 0.8rem;        /* was 0.5rem, now 1rem top/bottom */
    }
    .homepage_nsf-logo {
      height: 80px;
    }
    .homepage_award-text {
      font-size: 0.9rem;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .homepage_partner-logo {
      display: none;
    }
    .homepage_menu-toggle {
      display: flex;
      margin-left: auto;
    }
  
    /* — NAV DROPDOWN — */
    .homepage_nav-list {
      display: none;           /* hide by default */
      position: absolute;
      top: 60px;
      right: 1rem;
      width: 180px;
      max-height: 0;
      overflow: hidden;
      background: #fff;
      box-shadow: 0 2px 5px rgba(0,0,0,0.2);
      border-radius: 4px;
      padding: 0;
      transition: max-height 0.3s ease;
      z-index: 999;
      flex-direction: column;
    }
    .homepage_nav-list.homepage_show-nav {
      display: flex;           /* reveal when toggled */
      max-height: 500px;
      padding: 0.5rem 0;
    }
    .homepage_nav-list li {
      margin: 0;
      border-bottom: 1px solid #eee;
    }
    .homepage_nav-list li:last-child {
      border-bottom: none;
    }
    .homepage_nav-list li a {
      display: block;
      padding: 0.75rem 1rem;
    }
    .homepage_nav-list li a:hover {
      background-color: #f57c00;
      color: #fff;
    }
  
    /* — MAIN SECTION STACKING — */
    .homepage_main-section {
      flex-direction: column;
      padding: 1rem;
      gap: .5rem;
    }
    .homepage_text-content,
    .homepage_image-container {
      width: 100%;
      margin: 0;
    }
    /* If you prefer the image first: */
    /* .homepage_image-container { order: -1; } */
  
    /* shrink the heading */
    .homepage_main-heading {
      font-size: 1.75rem;
      text-align: center;
    }
  
    /* — PROJECT INFO & CTA — */
    .homepage_project-info-box {
      margin: 0 auto 1rem;
    }
    .homepage_cta-button {
      width: 100%;
      justify-content: center;
    }
  
    /* — INFO ROW STACKING — */
    .homepage_info-row {
      flex-direction: column;
      padding: 0 1rem;
      gap: 1rem;
    }
    .homepage_info-col {
      width: 100%;
    }
  
    /* — TASK OVERVIEW — */
    .homepage_task-overview {
      padding: 0 1rem;
    }
  
    /* — FOOTER CENTERING — */
    .homepage_footer-container {
      flex-direction: column;
      gap: 1rem;
      padding: 1rem 0;
    }
    .homepage_connect-icon {
      width: 40px;
      height: 40px;
    }
  }