:root {
  --brand-primary: #1f6da8;
  --brand-primary-dark: #155180;
  --brand-accent-purple: #8c3f97;
  --brand-accent-orange: #e36a2a;
  --brand-accent-green: #2e9b4b;
  --brand-dark: #2f3136;
  --muted: #6c757d;

  --bs-primary: var(--brand-primary);
  --bs-primary-rgb: 31, 109, 168;
  --bs-link-color: var(--brand-primary);
  --bs-link-hover-color: var(--brand-primary-dark);
}

body {
  font-family: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--brand-dark);
  background-color: #f8fafc;
}

.navbar-brand {
  font-weight: 800;
  letter-spacing: 0.2px;
}

.main-content {
  margin-top: 5rem;
}

.hero-card {
  border: 0;
  border-radius: 0.9rem;
  background: linear-gradient(130deg, var(--brand-primary), var(--brand-accent-purple) 58%, var(--brand-accent-orange));
  color: #fff;
}

.btn-primary {
  --bs-btn-bg: var(--brand-primary);
  --bs-btn-border-color: var(--brand-primary);
  --bs-btn-hover-bg: var(--brand-primary-dark);
  --bs-btn-hover-border-color: var(--brand-primary-dark);
  --bs-btn-active-bg: #124469;
  --bs-btn-active-border-color: #124469;
}

.btn-outline-primary {
  --bs-btn-color: var(--brand-primary);
  --bs-btn-border-color: var(--brand-primary);
  --bs-btn-hover-bg: var(--brand-primary);
  --bs-btn-hover-border-color: var(--brand-primary);
}

.text-primary {
  color: var(--brand-primary) !important;
}

.navbar-brand {
  color: var(--brand-dark) !important;
}

.navbar-brand:hover,
.navbar-brand:focus {
  color: var(--brand-primary) !important;
}

.article-card {
  border: 0;
  border-radius: 0.9rem;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.12);
}

.article-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.section-title {
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--brand-dark);
}

.site-footer {
  border-top: 1px solid #e5e7eb;
  color: #6b7280;
  background: #fff;
}

.admin-shell {
  min-height: 100vh;
  background: #f1f5f9;
}

.admin-panel {
  border: 0;
  border-radius: 1rem;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.editor-preview {
  border: 1px dashed #cbd5e1;
  border-radius: 0.8rem;
  background: #fff;
  padding: 1rem;
}

@media (max-width: 767.98px) {
  .main-content {
    margin-top: 4.5rem;
  }
}