.site-header { position: sticky; top: 0; z-index: 1000; background-color: #111D11; border-bottom: 1px solid rgba(90,138,60,0.25); box-shadow: 0 2px 16px rgba(0,0,0,0.45); }
.site-header .site-nav { max-width: 100%; }
.site-nav .nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; height: 56px; gap: 16px; }
.site-nav .nav-logo-wrap { flex-shrink: 0; }
.site-nav .nav-logo { font-size: 20px; font-weight: 900; color: #5A8A3C; text-decoration: none; letter-spacing: -0.5px; transition: color 0.15s ease; }
.site-nav .nav-logo:hover { color: #8BC34A; text-decoration: none; }
.site-nav .nav-logo-ca { color: rgba(255,255,255,0.55); font-weight: 400; }
.site-nav .nav-links { display: none; flex: 1; gap: 0; }
.site-nav .nav-item { display: inline-block; }
.site-nav .nav-link { display: block; padding: 0 13px; font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.62); text-decoration: none; line-height: 56px; border-bottom: 2px solid transparent; transition: color 0.15s ease, border-color 0.15s ease; letter-spacing: 0.1px; }
.site-nav .nav-link:hover { color: #8BC34A; border-bottom-color: #5A8A3C; text-decoration: none; }
.site-nav .nav-actions { display: none; align-items: center; gap: 12px; margin-left: auto; }
.site-nav .nav-contact { font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.55); text-decoration: none; transition: color 0.15s ease; }
.site-nav .nav-contact:hover { color: #8BC34A; text-decoration: none; }
.site-nav .btn-join { font-size: 13px; font-weight: 700; color: #0A1A0A; background-color: #5A8A3C; padding: 7px 16px; border-radius: 4px; cursor: pointer; transition: background-color 0.15s ease, transform 0.15s ease; text-decoration: none; letter-spacing: 0.2px; }
.site-nav .btn-join:hover { background-color: #3F6828; transform: translateY(-1px); text-decoration: none; }
.site-nav .nav-hamburger-wrap { margin-left: auto; }
.site-nav .nav-hamburger { display: flex; align-items: center; cursor: pointer; padding: 6px; }
.site-nav .nav-mobile { display: none; background-color: #111D11; border-top: 1px solid rgba(90,138,60,0.15); }
.site-nav .nav-mobile.open { display: block; }
.site-nav .nav-mobile-links { padding: 6px 0; }
.site-nav .nav-mobile-links li { border-bottom: 1px solid rgba(255,255,255,0.06); }
.site-nav .nav-mobile-links a { display: block; padding: 13px 20px; font-size: 15px; font-weight: 600; color: rgba(255,255,255,0.7); text-decoration: none; transition: color 0.15s ease, background-color 0.15s ease; }
.site-nav .nav-mobile-links a:hover { color: #8BC34A; background-color: rgba(90,138,60,0.08); text-decoration: none; }

@media (min-width: 768px) {
  .site-nav .nav-inner { padding: 0 24px; height: 60px; }
  .site-nav .nav-hamburger-wrap { display: none; }
  .site-nav .nav-links { display: flex; }
  .site-nav .nav-actions { display: flex; }
  .site-nav .nav-link { line-height: 60px; font-size: 14px; }
  .site-nav .nav-logo { font-size: 22px; }
}