:root {
  --ruc-red: #003153;        /* Prussian Blue — primary */
  --ruc-red-dark: #001f36;   /* darker Prussian for hover/emphasis */
  --ruc-gold: #00A8CC;       /* Cyan Blue — accent */
  --surface: #fbfbfc;
  --surface-alt: #f3f5f7;
  --text: #1f2933;
  --muted: #52606d;
  --border: #d9e2ec;
  --code-bg: #f6f8fa;
}

body {
  color: var(--text);
  background: #ffffff;
  line-height: 1.78;
}

.navbar {
  border-bottom: 1px solid rgba(0, 49, 83, 0.08);
  backdrop-filter: saturate(130%) blur(8px);
}

.quarto-title-block .title,
h1,
h2,
h3,
h4 {
  color: var(--ruc-red);
  letter-spacing: 0.01em;
}

.quarto-title-block .subtitle,
.quarto-title-meta,
.quarto-title-meta-heading,
.quarto-title-meta-contents {
  color: var(--muted);
}

#quarto-content main.content {
  max-width: 980px;
}

.page-layout-full #quarto-content main.content {
  max-width: 1100px;
}

p,
li {
  font-size: 1.03rem;
}

a {
  color: var(--ruc-red);
}

a:hover {
  color: var(--ruc-red-dark);
}

blockquote {
  border-left: 4px solid var(--ruc-gold);
  background: var(--surface);
  color: var(--muted);
  padding: 0.9rem 1rem;
}

code,
pre,
.sourceCode {
  font-family: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

pre,
div.sourceCode {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}

pre code {
  font-size: 0.92rem;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.2rem 0;
  font-size: 0.98rem;
}

thead th {
  background: var(--ruc-red);
  color: #fff;
  border: 1px solid var(--ruc-red);
}

th,
td {
  border: 1px solid var(--border);
  padding: 0.7rem 0.8rem;
  vertical-align: top;
}

tbody tr:nth-child(even) {
  background: var(--surface);
}

.callout {
  border-radius: 12px;
  border-width: 1px;
}

.callout.callout-note,
.callout.callout-important {
  background: #fff8ec;
  border-color: #f4d58d;
}

.callout.callout-warning {
  background: #fff4f4;
  border-color: #e9b4b4;
}

.callout.callout-tip {
  background: #f2f7ff;
  border-color: #bdd5ff;
}

.callout .callout-title {
  color: var(--ruc-red);
  font-weight: 700;
}

.figure,
figure {
  margin: 1.5rem auto;
}

.figure-caption,
figcaption {
  color: var(--muted);
  font-size: 0.94rem;
  text-align: center;
}

.toc-actions,
#TOC {
  font-size: 0.95rem;
}

#TOC a {
  text-decoration: none;
}

#TOC a:hover {
  text-decoration: underline;
}

.home-hero {
  background:
    radial-gradient(circle at top right, rgba(0, 168, 204, 0.14), transparent 28rem),
    linear-gradient(135deg, rgba(0, 49, 83, 0.06), rgba(0, 49, 83, 0.015));
  border: 1px solid rgba(0, 49, 83, 0.08);
  border-radius: 22px;
  padding: 1.6rem 1.5rem;
  margin: 0.4rem 0 2rem;
}

.home-kicker {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.25rem;
}

a.hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1.1rem;
  border-radius: 999px;
  background: var(--ruc-red);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 14px 30px rgba(0, 49, 83, 0.12);
}

a.hero-button:hover {
  color: #fff;
  background: var(--ruc-red-dark);
}

a.hero-button-secondary {
  background: #ffffff;
  color: var(--ruc-red);
  border: 1px solid rgba(0, 49, 83, 0.16);
  box-shadow: none;
}

a.hero-button-secondary:hover {
  color: var(--ruc-red-dark);
  background: var(--surface);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.6rem;
}

.course-card,
.update-card,
.status-panel,
.info-panel,
.checklist-panel {
  background: #ffffff;
  border: 1px solid rgba(0, 49, 83, 0.1);
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.05);
}

.course-card,
.update-card,
.status-panel,
.checklist-panel {
  padding: 1.15rem 1.15rem 1rem;
}

.course-card > :first-child,
.update-card > :first-child,
.status-panel > :first-child,
.checklist-panel > :first-child {
  margin-top: 0;
}

.course-card h3,
.update-card h3,
.status-panel h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.16rem;
}

.course-card p:last-child,
.update-card p:last-child,
.status-panel p:last-child {
  margin-bottom: 0;
}

.course-card a {
  font-weight: 600;
  text-decoration-thickness: 0.08em;
}

.pillar-grid .course-card {
  background: linear-gradient(180deg, #ffffff, rgba(243, 245, 247, 0.72));
}

.update-list {
  display: grid;
  gap: 1rem;
  margin: 1rem 0 1.6rem;
}

.status-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0.14rem 0.62rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.badge-new {
  background: rgba(16, 185, 129, 0.12);
  color: #0f766e;
}

.badge-updated {
  background: rgba(0, 168, 204, 0.12);
  color: #0c6b87;
}

.badge-soon {
  background: rgba(245, 158, 11, 0.14);
  color: #9a6700;
}

.action-card {
  border-top: 4px solid rgba(0, 168, 204, 0.7);
}

.status-panel {
  background: linear-gradient(135deg, rgba(0, 49, 83, 0.03), rgba(0, 168, 204, 0.08));
}

.update-card {
  background: linear-gradient(180deg, #ffffff, rgba(251, 251, 252, 0.9));
}

.checklist-panel ol {
  margin-bottom: 0;
  padding-left: 1.3rem;
}

.info-panel {
  padding: 0.2rem 1rem;
  background: linear-gradient(180deg, rgba(243, 245, 247, 0.65), #ffffff);
}

.info-panel table {
  margin: 0.4rem 0;
}

.info-panel th {
  width: 22%;
}

.callout-important .callout-title::before {
  content: "";
}

@media (max-width: 991.98px) {
  #quarto-content main.content,
  .page-layout-full #quarto-content main.content {
    max-width: 100%;
  }

  .home-hero {
    padding: 1.2rem 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  a.hero-button,
  a.hero-button-secondary {
    width: 100%;
  }
}