:root {
    --primary: #0056b3;
    --dark-blue: #003366;
    --accent: #28a745;
    --dark: #1a1a1a;
    --grey: #f4f6f9;
    --white: #ffffff;
}
body { margin: 0; font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; color: var(--dark); line-height: 1.6; background: var(--white); }
.container { width: 90%; max-width: 1200px; margin: auto; padding: 20px 0; }
header { padding: 20px; text-align: center; background: var(--dark); }
.logo { max-width: 200px; }
.hero { background: var(--dark); color: var(--white); text-align: center; padding: 60px 0; }
.btn-cta { display: inline-block; padding: 12px 25px; background: var(--primary); color: var(--white); text-decoration: none; border-radius: 5px; margin: 5px; font-weight: bold; }
.expertise-grid, .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; padding: 20px 0; }
.expertise-item, .card { padding: 20px; background: var(--grey); border-radius: 8px; border-left: 5px solid var(--primary); }
footer { background: var(--dark); color: var(--white); text-align: center; padding: 40px 0; margin-top: 40px; }
footer a { color: var(--primary); text-decoration: none; margin: 0 10px; }
footer a:hover { text-decoration: underline; }