/* ========== HEADER STYLES ========== */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 20, 50, 0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
  transition: all 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06); }
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; flex-wrap: wrap; }
.logo a { display: flex; align-items: center; gap: 4px; text-decoration: none; }
.logo-text { font-size: 1.9rem; font-weight: 800; color: #0a1628; letter-spacing: -0.02em; }
.logo-highlight { font-size: 1.9rem; font-weight: 800; color: #ffffff; background: #2563eb; padding: 2px 12px 2px 10px; border-radius: 40px; letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links li a { text-decoration: none; color: #1f2a44; font-weight: 500; font-size: 0.95rem; transition: all 0.2s ease; position: relative; }
.nav-links li a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: #2563eb; transition: width 0.3s ease; }
.nav-links li a:hover::after, .nav-links li a.active::after { width: 100%; }
.nav-links li a:hover { color: #2563eb; }
.nav-links li a.active { color: #2563eb; }
.nav-cta { background: #0a1628 !important; color: white !important; padding: 8px 22px !important; border-radius: 60px !important; font-weight: 600 !important; transition: all 0.3s ease !important; }
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: #2563eb !important; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; }
.menu-toggle span { width: 28px; height: 2.5px; background: #0a1628; border-radius: 2px; transition: all 0.3s ease; }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav-links { display: none; flex-direction: column; width: 100%; padding: 20px 0; gap: 16px; border-top: 1px solid rgba(0, 20, 50, 0.06); }
  .nav-links.open { display: flex; }
  .nav-links li a { font-size: 1.1rem; display: block; padding: 6px 0; }
  .nav-cta { display: inline-block !important; width: auto !important; }
}