:root {
  --ds-primary: #3158a5;
  --ds-primary-dark: #203d76;
  --ds-soft: #f4f7fc;
  --ds-border: #dce4f2;
  --ds-text: #24324a;
}

body {
  color: var(--ds-text);
}

.hero {
  padding: 3rem;
  margin: 0 0 2.5rem 0;
  border: 1px solid var(--ds-border);
  border-radius: 1.25rem;
  background: linear-gradient(135deg, #eef3ff 0%, #ffffff 60%, #f5f8ff 100%);
  box-shadow: 0 12px 32px rgba(34, 67, 130, 0.08);
}

.hero h1 {
  color: var(--ds-primary-dark);
  font-weight: 750;
  margin-bottom: 1rem;
}

.hero p {
  max-width: 850px;
  font-size: 1.1rem;
  line-height: 1.75;
}

.hero .btn {
  margin-top: 0.7rem;
  margin-right: 0.6rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.25rem;
  margin: 1.2rem 0 2.5rem 0;
}

.project-card {
  padding: 1.6rem;
  border: 1px solid var(--ds-border);
  border-radius: 1rem;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(34, 67, 130, 0.06);
}

.project-card h3 {
  color: var(--ds-primary-dark);
  margin-top: 0;
}

.project-card a {
  font-weight: 650;
  text-decoration: none;
}

.navbar {
  box-shadow: 0 2px 10px rgba(20, 45, 90, 0.12);
}

.quarto-title-banner {
  background: var(--ds-soft);
}

.table {
  font-size: 0.94rem;
}

@media (max-width: 768px) {
  .hero {
    padding: 1.7rem;
  }

  .hero .btn {
    display: block;
    width: 100%;
    margin-right: 0;
  }
}