:root {
  --bn-bg: #f6fafc;
  --bn-surface: #ffffff;
  --bn-blue: #3a93c4;
  --bn-blue-dark: #2b6f96;
  --bn-coral: #f2756a;
  --bn-coral-dark: #d65a50;
  --bn-ink: #33363b;
  --bn-muted: #7d828a;
  --bn-border: #e2eaf0;
  --bn-head: "Quicksand", Helvetica, Arial, sans-serif;
  --bn-body: "Nunito Sans", Helvetica, Arial, sans-serif;
}

.bn-body {
  background-color: #f6fafc;
  color: #33363b;
  font-family: "Nunito Sans", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
}

h1, h2, h3, h4, .bn-h, .bn-brand, .bn-hero-title {
  font-family: "Quicksand", Helvetica, Arial, sans-serif;
  color: #2b6f96;
  font-weight: 700;
  line-height: 1.2;
}
h1, .bn-hero-title { font-size: 36px; font-weight: 700; }
h2 { font-size: 27px; font-weight: 600; }
h3 { font-size: 20px; font-weight: 600; }

/* nav */
.bn-nav { background: #3a93c4; color: #fff; }
.bn-brand { color: #ffffff; }
.bn-burger { color: #ffffff; }
.bn-navlink { color: #ffffff; text-decoration: none; }
.bn-navlink:hover { color: #ffe3df; }
.bn-dropdown { position: relative; }
.bn-dropdown-menu { display: none; position: absolute; left: 0; top: 100%; min-width: 210px; background: #2b6f96; border-radius: 6px; z-index: 50; }
.bn-dropdown:hover .bn-dropdown-menu, .bn-dropdown:focus-within .bn-dropdown-menu { display: block; }
.bn-dropdown-menu a { color: #fff; text-decoration: none; }
.bn-dropdown-menu a:hover { background: #3a93c4; }

/* hero */
.bn-hero { background: linear-gradient(135deg, #3a93c4 0%, #2b6f96 100%); color: #fff; }
.bn-hero-title { color: #ffffff; }
.bn-hero-sub { color: #e4f1f8; font-size: 1.15rem; }

/* sections / prose */
.bn-section { background: #f6fafc; }
.bn-prose { background: #ffffff; border: 1px solid #e2eaf0; border-radius: 12px; padding: 2rem 2.25rem; box-shadow: 0 2px 8px rgba(58,147,196,0.06); }
.bn-prose img, .bn-img { max-width: 100%; height: auto; border-radius: 8px; }
.bn-prose a { color: #f2756a; text-decoration: underline; text-decoration-color: #e2eaf0; }
.bn-prose a:hover { color: #d65a50; text-decoration-color: #f2756a; }
.bn-muted { color: #7d828a; }
.bn-quote { border-left: 4px solid #f2756a; padding-left: 1rem; color: #33363b; background: #f6fafc; font-style: italic; }
.bn-listing-title { border-bottom: 3px solid #f2756a; padding-bottom: 0.4rem; margin-bottom: 1.5rem; }
.bn-code { background: #2b6f96; color: #fff; padding: 1rem; border-radius: 8px; }
.bn-cta { background: #f2756a; color: #fff; padding: 0.7rem 1.4rem; border-radius: 9999px; text-decoration: none; font-weight: 700; }
.bn-cta:hover { background: #d65a50; }
.bn-cta-link { color: #f2756a; font-weight: 700; text-decoration: none; }
.bn-cta-link:hover { color: #d65a50; text-decoration: underline; }

/* cards */
.bn-card { background: #fff; border: 1px solid #e2eaf0; box-shadow: 0 8px 24px rgba(58,147,196,0.10); border-radius: 12px; }
.bn-card .bn-h a, .post-card-title a { color: #2b6f96; text-decoration: none; }
.bn-card .bn-h a:hover { color: #f2756a; }

/* footer */
.bn-footer { background: #2b6f96; color: #d6e6f0; }
.bn-footer .bn-brand { color: #ffffff; }
.bn-footer-sitemap { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; }
.bn-footer-link { color: #d6e6f0; text-decoration: none; font-size: 0.9rem; }
.bn-footer-link:hover { color: #ffe3df; }
.bn-footer-copy { color: #a7c7da; border-top: 1px solid #3a93c4; }

@media print { .bn-nav, .bn-footer { display: none; } .bn-body { background: #fff; } }