:root {
  --background: #ffffff;
  --text: #111111;
  --accent: #91b3f7;
  --muted: #444444;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
}

main {
  width: min(980px, 92%);
  margin: 0 auto 4rem;
}

.section-space {
  margin-top: 3rem;
}

.site-header {
  width: min(980px, 92%);
  margin: 1.2rem auto 0;
}

.main-nav {
  display: flex;
  justify-content: flex-end;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.1rem;
  font-weight: 600;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a[aria-current="page"] {
  border-bottom-color: var(--accent);
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.7rem;
}

h1 {
  font-size: clamp(2rem, 8vw, 3.5rem);
}

h2 {
  font-size: clamp(1.4rem, 5.8vw, 2.2rem);
}

h3 {
  font-size: 1.1rem;
}

p,
ul {
  margin: 0 0 1rem;
  max-width: 68ch;
}

.eyebrow {
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-size: 0.85rem;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.nav-card {
  display: block;
  text-decoration: none;
  color: var(--text);
  border: 1px solid #dddddd;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.nav-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
}

.nav-card span {
  display: inline-block;
  margin: 0.8rem;
  font-size: 1.2rem;
  font-weight: 700;
  border-bottom: 2px solid transparent;
}

.nav-card:hover,
.nav-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.nav-card:hover span,
.nav-card:focus-visible span {
  border-bottom-color: var(--accent);
}

.jobs article,
.achievements article {
  margin-bottom: 2.1rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid #ebebeb;
}

.job-meta {
  font-weight: 700;
}

@media (min-width: 760px) {
  .section-space {
    margin-top: 4rem;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}