:root {
  --nav-height: 72px;
}
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 48px;
  background: #0b0b14;
  border-bottom: 1px solid var(--border);
}
.nav-logo { text-decoration: none; }
.nav-logo img { height: 36px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { color: var(--text-body); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: #fff; }
.nav-links .nav-cta {
  background: var(--accent); color: #000; padding: 10px 22px;
  border-radius: 10px; font-weight: 600; font-size: 13px; transition: all 0.25s;
}
.nav-links .nav-cta:hover { background: #00e0d5; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(0,200,190,0.3); }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 8px; background: none; border: none;
}
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; transition: all 0.2s; }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
.mobile-menu {
  display: none; position: fixed; top: var(--nav-height, 72px); left: 0; right: 0;
  background: rgba(11,11,20,0.95); backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px); padding: 24px 40px;
  border-bottom: 1px solid var(--border); z-index: 99;
}
.mobile-menu.active { display: block; }
.mobile-menu a { display: block; padding: 14px 0; color: var(--text-body); text-decoration: none; font-size: 1rem; border-bottom: 1px solid var(--border); }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: #fff; }
@media (max-width: 768px) {
  nav { padding: 14px 20px !important; width: 100% !important; left: 0 !important; }
  .nav-logo img { height: 28px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
}