@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Source+Serif+4:wght@400;600;700&display=swap");

:root {
  --site-bg: #eef3f1;
  --site-paper: #fbfcfb;
  --site-ink: #1f2d33;
  --site-muted: #62737b;
  --site-accent: #1f6f78;
  --site-accent-dark: #154d57;
  --site-border: rgba(31, 45, 51, 0.11);
  --site-shadow: 0 20px 50px rgba(23, 40, 47, 0.09);
  --site-warm: linear-gradient(135deg, rgba(31, 111, 120, 0.12), rgba(110, 143, 164, 0.14));
  --site-highlight: #dce9e6;
  --site-soft-blue: #e3edf3;
}

body {
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--site-ink);
  background:
    radial-gradient(circle at top left, rgba(110, 143, 164, 0.16), transparent 30%),
    radial-gradient(circle at top right, rgba(31, 111, 120, 0.14), transparent 24%),
    radial-gradient(circle at bottom right, rgba(220, 233, 230, 0.8), transparent 26%),
    var(--site-bg);
}

h1,
h2,
h3,
h4,
h5,
h6,
.title,
.navbar-title {
  font-family: "Source Serif 4", serif;
  color: var(--site-ink);
}

a {
  color: var(--site-accent-dark);
}

a:hover {
  color: var(--site-accent);
}

.navbar {
  backdrop-filter: blur(10px);
  background-color: rgba(251, 252, 251, 0.88) !important;
  border-bottom: 1px solid rgba(31, 45, 51, 0.07);
}

.navbar-brand > img {
  max-height: 40px;
}

.quarto-title-banner {
  background: transparent !important;
  color: var(--site-ink);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.9fr);
  gap: 2rem;
  align-items: stretch;
  margin: 1rem 0 2.5rem;
}

.hero-copy,
.hero-panel,
.feature-card,
.impact-card {
  background: var(--site-paper);
  border: 1px solid var(--site-border);
  border-radius: 24px;
  box-shadow: var(--site-shadow);
}

.hero-copy {
  padding: 2.3rem;
  background-image: var(--site-warm);
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 5vw, 4.1rem);
  line-height: 1.02;
  margin-bottom: 1rem;
}

.hero-copy p {
  font-size: 1.08rem;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.4rem 0;
}

.hero-note {
  border-left: 4px solid var(--site-accent);
  padding-left: 1rem;
  color: var(--site-muted);
  max-width: 62ch;
}

.hero-panel {
  padding: 1.6rem;
}

.profile-photo {
  width: min(100%, 220px);
  display: block;
  margin: 0 auto 1.2rem;
  border-radius: 999px;
  border: 6px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 30px rgba(31, 111, 120, 0.18);
}

.contact-list p {
  margin-bottom: 0.5rem;
}

.card-grid,
.impact-grid,
.connect-grid {
  display: grid;
  gap: 1rem;
  margin: 1rem 0 2rem;
}

.card-grid,
.impact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.connect-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.impact-card {
  padding: 1.4rem;
}

.feature-card h3,
.impact-card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1rem 0 2rem;
}

.pill-row code {
  background: rgba(31, 111, 120, 0.08);
  color: var(--site-accent-dark);
  border: 1px solid rgba(31, 111, 120, 0.12);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-size: 0.92rem;
}

.btn {
  border-radius: 999px;
  padding: 0.7rem 1.1rem;
  font-weight: 600;
}

.btn-primary {
  background-color: var(--site-accent);
  border-color: var(--site-accent);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--site-accent-dark);
  border-color: var(--site-accent-dark);
}

.btn-outline-primary {
  color: var(--site-accent-dark);
  border-color: rgba(31, 111, 120, 0.4);
}

.btn-outline-primary:hover,
.btn-outline-secondary:hover,
.btn-outline-dark:hover {
  background-color: var(--site-accent-dark);
  border-color: var(--site-accent-dark);
}

.btn-outline-secondary {
  color: var(--site-ink);
  border-color: rgba(33, 49, 43, 0.22);
}

.btn-outline-dark {
  color: var(--site-ink);
  border-color: rgba(33, 49, 43, 0.25);
}

.nav-footer {
  background: transparent;
  border-top: 1px solid rgba(31, 45, 51, 0.1);
}

.sidebar nav[role="doc-toc"] ul > li > a,
#TOC .nav-link {
  color: var(--site-muted);
}

.sidebar nav[role="doc-toc"] ul > li > a.active,
#TOC .nav-link.active {
  color: var(--site-accent-dark);
}

.quarto-grid-item,
.listing-item,
.table,
pre.sourceCode,
div.sourceCode {
  border-color: var(--site-border);
}

.listing-item,
.quarto-listing-container-default .quarto-post {
  background: rgba(251, 252, 251, 0.7);
  border-radius: 20px;
  border: 1px solid var(--site-border);
  box-shadow: 0 12px 30px rgba(23, 40, 47, 0.05);
  padding: 1rem 1.15rem;
}

.table {
  background: rgba(251, 252, 251, 0.92);
}

pre,
div.sourceCode {
  background: #f4f7f7 !important;
  border-radius: 16px;
}

@media (max-width: 991px) {
  .hero-grid,
  .card-grid,
  .impact-grid,
  .connect-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-panel,
  .feature-card,
  .impact-card {
    padding: 1.4rem;
  }
}