/* Base layout */
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: #f4f4f4;
    font-family: Georgia, serif;
}

body {
    display: grid;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
}

/* homepage banner */
.portrait img {
  max-width: 100%;
  height: auto;
}

.link-logos {
  display: flex;
  align-items: center;
  gap: 1rem;       
  padding: 0;
  margin: 0;
}

.link-logos a {
  display: inline-block;
  text-decoration: none;
}

.link-logos img {
  display: block;
  height: 25px;
  width: auto; 
}

/* Links & Headings */
a {
  color: #003D6B;
  text-decoration: underline;
}

/* Lists */
main ul li, main ol li {
  margin-bottom: 0.75rem;
}




/* Navigation styles */

nav {
  display: none; 
}

nav.open {
  display: block;
}

nav h2 {
  display: none;
}

/* Mobile hamburger “header” bar */
.nav-mobile {
  display: block;
  background: #0064b1;
  color: #fff;
  padding: 0.75rem;
  text-align: center;
  cursor: pointer;
}

.nav-mobile a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  
  border-top: 1px solid #999;
}

nav ul li {
  margin: 0;
  padding: 0;
}

nav ul li a {
  display: block;
  padding: 1rem 1.25rem;
  color: #fff;
  text-decoration: none;
  background: #0064b1;
  border-bottom: 1px solid #999
}

nav ul li a:hover {
  background: #003d6b;
}

/* Desktop layout: nav on left, main on right */
@media (min-width: 1000px) {


  body {
    grid-template-rows: none;
    grid-template-columns: 150px 1fr;
  }

  nav {
    display: block;
    background: #f4f4f4;
    color: #000;
    padding: 1rem;
    border-right: 1px solid #ccc;
  }

  .nav-mobile {
    display: none;
  }

  nav h2 {
    display: inline-block;
    font-size: 1.25rem;
    margin: 0;
  }

  nav ul {
    list-style: none;
    padding: 0.5rem 0 0 0;
    margin: 0.5rem 0 0 0;
    border-top: 1px solid #ccc;
  }

  nav ul li {
    background-color:transparent;
    padding-left: 0.5rem;
  }

  nav ul li a {
    color: #003D6B;
    text-decoration: underline;
    background-color:transparent;
    border-bottom: 0;
    padding: 0.25rem 0;
  }


  nav ul li a:hover {
    background-color:transparent;
    text-decoration:wavy underline;
  }

/* 
  main {
    min-height: 100vh;
  } */

  .banner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start; 
  padding: 0.25rem 0 1.5rem 0;
}

  
  .portrait {
    max-width: 150px;
  }

}

/* Main content area (same both mobile and desktop) */
main {
  padding: 1rem;
  overflow: auto; /* in case content is long */
  max-width: 1200px;
  background-color: white;
}

main > h1,
.banner-text > h1 {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: #003D6B;
}

main h1,
main h2,
main h3 {
  border-bottom: 1px solid #aaa;
}

.sponsors img {
    margin-right:15px;
    max-height: 100px;
    width: auto;
}


/* Research page banner */
.research-banner {
    max-width: 90%;
    height: auto;
    margin-bottom: 1.5rem;
}