:root {
  --primary: #1e3a5f;
  --accent: #2d8c9f;
  --bg: #f8f9fa;
  --text-dark: #2c3e50;
  --text-light: #6c757d;
  --border: #dee2e6;
  --footer-bg: #1a252f;
  --white: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body { font-family: system-ui, -apple-system, sans-serif; line-height: 1.6; color: var(--text-dark); background: var(--bg); }

a { text-decoration: none; color: inherit; }

.btn { display: inline-block; padding: 10px 20px; border-radius: 4px; font-size: 1rem; cursor: pointer; transition: opacity 0.2s; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { opacity: 0.9; }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: var(--white); }

/* --- Navigation --- */
.navbar { padding: 1.5rem 2rem; display: flex; justify-content: space-between; align-items: center; background: var(--white); box-shadow: 0 2px 8px rgba(0,0,0,0.05); position: fixed; width: 100%; top: 0; z-index: 100; }
.logo { font-size: 1.5rem; font-weight: bold; color: var(--primary); }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { color: var(--text-dark); font-weight: 500; position: relative; }
.nav-links a.active::after, .nav-links a:hover::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 100%; height: 3px; background: var(--accent); border-radius: 2px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.hamburger { width: 28px; height: 20px; position: relative; }
.hamburger span { display: block; position: absolute; height: 4px; width: 100%; background: var(--primary); border-radius: 2px; left: 0; transform: rotate(0deg); transition: .25s ease-in-out; }
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 8px; }
.hamburger span:nth-child(3) { top: 16px; rotate: 90deg; }

@media (max-width: 768px) {
  .nav-links { position: fixed; top: 100%; left: 0; width: 100%; background: var(--white); flex-direction: column; align-items: center; gap: 1.5rem; padding: 2rem 0; box-shadow: 0 4px 12px rgba(0,0,0,0.1); transform: translateY(-100%); transition: transform 0.3s ease; }
  .nav-links.active { transform: translateY(0); }
  .hamburger { display: block; }
  .nav-links li { width: 100%; text-align: center; }
}

/* --- Hero --- */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 8rem 2rem 4rem; }
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; color: var(--primary); }
.hero p { font-size: 1.2rem; color: var(--text-light); margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero .btn-group { display: flex; flex-direction: column; align-items: center; gap: 1rem; max-width: 400px; margin-left: auto; margin-right: auto; }
@media (min-width: 768px) { .hero .btn-group { flex-direction: row; } }

/* --- Services --- */
.services { padding: 5rem 2rem; }
.services h2 { text-align: center; margin-bottom: 3rem; color: var(--primary); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; max-width: 1200px; margin: 0 auto; }
.service-card { padding: 2rem; background: var(--white); border-radius: 8px; border: 1px solid var(--border); text-align: center; }
.service-card .icon { font-size: 2rem; margin-bottom: 1rem; display: block; }
.service-card h3 { margin-bottom: 0.5rem; color: var(--primary); }
.service-card p { color: var(--text-light); font-size: 0.95rem; }

/* --- Credentials --- */
.credentials { padding: 3rem 2rem; background: var(--primary); color: var(--white); text-align: center; }
.credentials p { font-size: 1.1rem; margin-bottom: 2rem; }
.credentials .abn { display: block; margin-top: 1rem; font-family: monospace; color: #d6e9f8; }

/* --- CTA --- */
.cta { padding: 4rem 2rem; text-align: center; background: var(--accent); color: var(--white); }
.cta h2 { margin-bottom: 1rem; }
.cta p { margin-bottom: 1.5rem; color: #e8f4f7; }
.cta .btn-group { display: flex; justify-content: center; gap: 1rem; }

/* --- Footer --- */
.footer { padding: 4rem 2rem 2rem; background: var(--footer-bg); color: #aaa; }
.footer .container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }
.footer h3 { color: var(--white); margin-bottom: 1rem; font-size: 1.1rem; }
.footer p, .footer a { color: #aaa; font-size: 0.9rem; margin-bottom: 0.5rem; display: block; }
.footer a:hover { color: var(--accent); }
.footer .legal a { margin-right: 1.5rem; }
.footer .contact { max-width: 300px; }
.footer .copyright { padding-top: 2rem; margin-top: 2rem; border-top: 1px solid var(--border); color; #666; font-size: 0.85rem; text-align: center; }
@media (max-width: 768px) { .footer .container { grid-template-columns: 1fr; } }