/* ══════════════════════════════════════════════════════════════════
   Navigation
   ══════════════════════════════════════════════════════════════════ */

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.15rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 22, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-pink);
  transition: background var(--t);
}

/* Brand */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.nav-brand-logo {
  height: 44px;
  width: auto;
}

/* Links */
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #666688;
  text-decoration: none;
  transition: color var(--t);
}
.nav-links a:hover { color: var(--pink); }
.nav-cta {
  background: var(--pink) !important;
  color: var(--white) !important;
  padding: 0.45rem 1.2rem !important;
  border-radius: var(--radius);
  transition: background var(--t) !important;
}
.nav-cta:hover { background: var(--pink-hover) !important; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: all var(--t);
}

/* Mobile open state */
.site-nav.mobile-open .nav-hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.site-nav.mobile-open .nav-hamburger span:nth-child(2) { opacity: 0; }
.site-nav.mobile-open .nav-hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}