:root {
  --primary: #1a237e;
  --accent: #283593;
  --bg: #f5f5f5;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --border: #d5d8dc;
  --success: #2ecc71;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--bg);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--primary);
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo em { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  transition: opacity 0.2s;
}

.nav-links a:hover { opacity: 0.8; }

.cta-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}

.cta-btn:hover { background: #3e4ba1; }

/* Mobile menu */
.menu-toggle { display: none; font-size: 1.5rem; color: #fff; cursor: pointer; }

@media (max-width: 768px) {
  .nav-links { position: fixed; top: 0; left: 0; right: 0; background: var(--primary); flex-direction: column; padding: 2rem; gap: 1.5rem; left: -100%; transition: left 0.3s; }
  .nav-links.active { left: 0; }
  .menu-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
}

/* Hero */
.hero { padding: 8rem 2rem 4rem; text-align: center; }

.hero h1 { font-size: 3rem; margin-bottom: 1rem; }

.hero p { color: var(--text-light); margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }

.btn { display: inline-block; padding: 0.8rem 1.5rem; border-radius: 4px; text-decoration: none; font-weight: 600; }

.btn-primary { background: var(--primary); color: #fff; }

.btn-primary:hover { background: var(--accent); }

.btn-outline { border: 2px solid var(--primary); color: var(--primary); margin-left: 1rem; }

@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .btn { padding: 0.6rem 1rem; font-size: 0.85rem; }
}

/* Services grid */
.services { padding: 4rem 2rem; }

.section-header { text-align: center; margin-bottom: 3rem; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  background: #fff;
  border-radius: 6px;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover { transform: translateY(-4px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }

.service-card em { font-size: 2rem; display: block; margin-bottom: 0.8rem; }

@media (max-width: 768px) { .service-card { padding: 1rem; } }

/* About strip */
.about-strip {
  background: var(--primary);
  color: #fff;
  padding: 3rem 2rem;
  margin: 3rem 0;
}

.about-strip .container { max-width: 1200px; margin: 0 auto; }

@media (max-width: 768px) { .about-strip { padding: 2rem 1rem; } }

/* Credentials */
.credentials { padding: 2rem; text-align: center; background: #fff; margin: 3rem 0; }

.credentials em { color: var(--primary); font-style: normal; }

@media (max-width: 768px) { .credentials { padding: 1rem; } }

/* CTA strip */
.cta-strip {
  background: var(--accent);
  color: #fff;
  padding: 2rem;
  text-align: center;
  margin: 3rem 0;
}

.cta-strip .container { max-width: 1200px; margin: 0 auto; }

@media (max-width: 768px) { .cta-strip { padding: 1rem; } }

/* Footer */
.footer {
  background: #111;
  color: #aaa;
  padding: 4rem 2rem 2rem;
  margin-top: 4rem;
}

.footer .container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }

.footer h3 { color: #fff; margin-bottom: 1rem; font-size: 1rem; }

.footer p, .footer a { color: #aaa; text-decoration: none; font-size: 0.85rem; }

.footer a:hover { color: #fff; }

.footer-bottom { border-top: 1px solid var(--border); padding-top: 2rem; margin-top: 2rem; text-align: center; color: var(--text-light); font-size: 0.8rem; margin-top: 3rem; }

@media (max-width: 768px) { .footer .container > * { order: 1; } .footer-bottom { margin-top: 1rem; } }