@import url("https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap");

/* Variable Definitions for Theme Toggling & Web Accessibility (WCAG 2.1 Contrast Guidelines) */
:root, [data-md-color-scheme="default"] {
  --sges-h1-color: #1e3a8a;
  --sges-h1-border: #e2e8f0;
  --sges-h2-color: #2563eb;
  --sges-h3-h4-color: #1d4ed8;
  --sges-text-color: #1e293b;
  --sges-link-color: #b91c1c;
  --sges-link-hover-color: #991b1b;
  --sges-card-bg: #ffffff;
  --sges-card-border: #cbd5e1;
  --sges-card-h3: #1e3a8a;
  --sges-card-p: #475569;
  --sges-card-shadow: rgba(0, 0, 0, 0.05);
  --sges-blockquote-bg: #f1f5f9;
  --sges-blockquote-text: #475569;
  --sges-blockquote-border: #2563eb;
}

[data-md-color-scheme="slate"] {
  --sges-h1-color: #60a5fa;
  --sges-h1-border: #1e3a8a;
  --sges-h2-color: #93c5fd;
  --sges-h3-h4-color: #bfdbfe;
  --sges-text-color: #e2e8f0;
  --sges-link-color: #f87171;
  --sges-link-hover-color: #fca5a5;
  --sges-card-bg: #0f172a;
  --sges-card-border: #1e293b;
  --sges-card-h3: #93c5fd;
  --sges-card-p: #94a3b8;
  --sges-card-shadow: rgba(0, 0, 0, 0.4);
  --sges-blockquote-bg: #1e293b;
  --sges-blockquote-text: #cbd5e1;
  --sges-blockquote-border: #3b82f6;
}

.md-content {
  max-width: 980px;
}

/* Beautiful Trustworthy Blue Headings with Dynamic Themes */
.md-typeset h1 {
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 0.8rem;
  color: var(--sges-h1-color) !important;
  border-bottom: 1px solid var(--sges-h1-border);
  padding-bottom: 0.3em;
}

.md-typeset h2 {
  font-weight: 700;
  margin-top: 2rem;
  color: var(--sges-h2-color) !important;
}

.md-typeset h3, 
.md-typeset h4 {
  font-weight: 600;
  margin-top: 1.5rem;
  color: var(--sges-h3-h4-color) !important;
}

.md-typeset p,
.md-typeset li {
  line-height: 1.75;
  color: var(--sges-text-color);
}

.md-typeset a {
  color: var(--sges-link-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.md-typeset a:hover {
  color: var(--sges-link-hover-color);
}

/* Custom Hero Section - Navy to Vibrant Blue (Stays constant but ensures high-contrast content) */
.sges-hero {
  padding: 1.4rem 1.4rem 1.1rem;
  margin: 0.4rem 0 1.4rem;
  border-radius: 16px;
  color: #ffffff;
  background: linear-gradient(130deg, #1e3a8a 0%, #2563eb 52%, #3b82f6 100%);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.2);
}

.sges-hero h1 {
  color: #ffffff !important;
  border: none !important;
  padding-bottom: 0 !important;
  margin: 0;
}

.sges-hero p {
  color: #e0e7ff !important;
  margin: 0.45rem 0 0;
  font-size: 1.05rem;
}

/* Custom Grid & Cards (Dynamically styled per theme) */
.sges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  margin: 1rem 0 1.3rem;
}

.sges-card {
  border: 1px solid var(--sges-card-border);
  border-radius: 14px;
  background: var(--sges-card-bg);
  padding: 0.9rem 1rem;
  box-shadow: 0 8px 20px var(--sges-card-shadow);
  transition: transform 0.2s, border-color 0.2s;
}

.sges-card:hover {
  transform: translateY(-2px);
  border-color: #3b82f6;
}

.sges-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: var(--sges-card-h3) !important;
}

.sges-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--sges-card-p) !important;
}

/* Enhancing Quotes and Callouts (Dynamically styled per theme) */
.md-typeset blockquote {
  border-left: 0.3rem solid var(--sges-blockquote-border);
  background: var(--sges-blockquote-bg);
  color: var(--sges-blockquote-text);
  border-radius: 0 8px 8px 0;
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
  .sges-hero {
    padding: 1rem;
  }
}