/* Reset and base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #1a1a2e; background: #f4f6f8; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header { background: #fff; color: #1a1a2e; padding: 0.75rem 0; position: sticky; top: 0; z-index: 100; border-bottom: 3px solid #0099cc; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.nav-bar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.logo img { height: 55px; width: auto; display: block; }
.site-header nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-header nav a { color: #1a1a2e; text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.site-header nav a:hover { color: #0099cc; }

/* Hero */
.hero { background: #0099cc; color: #fff; padding: 5rem 0 4rem; text-align: center; }
.hero h1 { font-size: 2.5rem; font-weight: 700; max-width: 900px; margin: 0 auto 1.5rem; line-height: 1.2; }
.hero .lead { font-size: 1.25rem; color: #e0f4fc; max-width: 700px; margin: 0 auto 2rem; }
.cta { display: inline-block; background: #fff; color: #0099cc; padding: 0.9rem 2rem; border-radius: 4px; text-decoration: none; font-weight: 600; transition: background 0.2s, color 0.2s; }
.cta:hover { background: #e0f4fc; color: #0077aa; }

/* Content sections */
.content { padding: 4rem 0; }
.alt-bg { background: #e8f4f8; }
.content h2 { font-size: 1.9rem; margin-bottom: 1.5rem; color: #0077aa; }
.content p { margin-bottom: 1rem; max-width: 800px; }

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; margin-top: 2rem; }
.card { background: #fff; border-radius: 6px; padding: 2rem; box-shadow: 0 2px 8px rgba(0,0,0,0.06); border-top: 4px solid #0099cc; }
.card h3 { color: #0099cc; margin-bottom: 1rem; font-size: 1.2rem; }
.card ul { list-style: disc; padding-left: 1.2rem; }
.card li { margin-bottom: 0.5rem; }

/* Sector grid */
.sector-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.sector-card { background: #fff; border-radius: 6px; padding: 1.75rem; text-decoration: none; color: inherit; box-shadow: 0 2px 8px rgba(0,0,0,0.06); transition: transform 0.15s, box-shadow 0.15s; border-top: 4px solid #0099cc; }
.sector-card:hover { transform: translateY(-3px); box-shadow: 0 6px 16px rgba(0,0,0,0.1); }
.sector-card h3 { color: #0099cc; margin-bottom: 0.5rem; }
.sector-card p { color: #4a4a5a; font-size: 0.95rem; }

/* CTA banner */
.cta-banner { background: #0077aa; color: #fff; padding: 4rem 0; text-align: center; }
.cta-banner h2 { color: #fff; margin-bottom: 1.5rem; }
.cta-banner p { max-width: 800px; margin: 0 auto 1rem; color: #e0f4fc; }
.cta-banner strong { color: #fff; }

/* Footer */
.site-footer { background: #1a1a2e; color: #8899aa; padding: 2rem 0; text-align: center; font-size: 0.9rem; }
.site-footer .footer-logo { margin-bottom: 1rem; }
.site-footer .footer-logo img { height: 45px; width: auto; }
.site-footer .tagline { color: #0099cc; font-weight: 500; margin-bottom: 0.5rem; }

/* Sector page hero variant */
.sector-hero { background: #0077aa; color: #fff; padding: 4rem 0; }
.sector-hero h1 { font-size: 2.2rem; margin-bottom: 1rem; }
.sector-hero p { color: #e0f4fc; max-width: 700px; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 1.75rem; }
  .hero .lead { font-size: 1.05rem; }
  .nav-bar { flex-direction: column; align-items: flex-start; }
  .logo img { height: 45px; }
}