/* University of Illinois palette: https://builder3.toolkit.illinois.edu */
:root {
  --il-blue: #13294b;
  --il-orange: #ff5f05;
  --il-orange-dark: #b5300c; /* accessible orange for text */
  --il-storm: #4d4d4d;
  --il-cloud: #f8fafc;
  --il-gray: #dddede;
  --text: #1f1f1f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Source Sans 3", "Source Sans Pro", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.5;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

header {
  background: var(--il-blue);
  color: #fff;
  border-bottom: 6px solid var(--il-orange);
}
.header-inner {
  width: 100%;
  padding: 1.5rem clamp(20px, 3.5vw, 64px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand { margin: 0; font-size: 2rem; line-height: 1.1; }
.brand small { display: block; font-size: 1rem; font-weight: 400; opacity: 0.95; }
.brand a { color: #fff; text-decoration: none; }
.brand a:hover, .brand a:focus { text-decoration: underline; }

nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 0.5rem; }
nav a {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  border: 2px solid transparent;
  font-weight: 600;
}
nav a:hover, nav a:focus { text-decoration: underline; border-color: #fff; }
nav a[aria-current="page"] { border-color: var(--il-orange); text-decoration: underline; }

main { width: 100%; padding: 2rem clamp(20px, 3.5vw, 64px) 3rem; }
main h1 { color: var(--il-blue); margin-top: 0; }
a { color: var(--il-blue); }
a:focus-visible { outline: 3px solid var(--il-orange-dark); outline-offset: 2px; }

/* People */
.people { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.person {
  border: 1px solid var(--il-gray);
  border-top: 4px solid var(--il-blue);
  background: var(--il-cloud);
  padding: 1.25rem;
  display: flex; flex-direction: row; align-items: flex-start; gap: 1.5rem;
}
.person.lead { border-top-color: var(--il-orange); }
.person img, .person svg { width: 160px; height: 160px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.person svg { background: var(--il-gray); color: var(--il-storm); }
.person h2 { margin: 0 0 0.25rem; color: var(--il-blue); font-size: 1.6rem; }
@media (max-width: 600px) {
  .person { flex-direction: column; align-items: center; text-align: center; }
}
.role { margin: 0 0 0.5rem; color: var(--il-storm); font-weight: 600; }
.person p { margin: 0.25rem 0; }

/* Projects */
.projects { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.project { border: 1px solid var(--il-gray); border-left: 6px solid var(--il-blue); padding: 1.25rem; background: var(--il-cloud); }
.project h2 { margin: 0 0 0.5rem; font-size: 1.35rem; }
.project h2 a { color: var(--il-blue); }
.project dl { margin: 0.75rem 0 0; }
.project dt { font-weight: 700; color: var(--il-storm); }
.project dd { margin: 0 0 0.5rem; }

footer { border-top: 1px solid var(--il-gray); padding: 1.5rem clamp(20px, 3.5vw, 64px); color: var(--il-storm); font-size: 0.9rem; }