/* fixed glassmorphism nav */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 22px 48px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(246,244,238,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow 300ms ease;
}
.site-nav.scrolled {
  box-shadow: 0 1px 0 var(--line);
}

/* logo */
.site-brand {
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  font-family: 'Inter'; font-weight: 700; font-size: 22px;
  letter-spacing: -0.02em; color: var(--ink);
  text-transform: lowercase;
}
.logo-bars {
  display: inline-flex; gap: 2px; align-items: center;
}
.logo-bars i {
  display: block; height: 3px;
  border-radius: 2px; background: var(--teal);
}
.logo-bars i:nth-child(1) { width: 26px; }
.logo-bars i:nth-child(2) { background: var(--gold); width: 16px; }
.logo-bars i:nth-child(3) { opacity: 0.35; width: 9px; }

/* logo pulse */
@keyframes logo-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
.logo-bars i:nth-child(1) { animation: logo-pulse 2.4s ease-in-out infinite; }
.logo-bars i:nth-child(2) { animation: logo-pulse 2.4s ease-in-out infinite 0.3s; }
.logo-bars i:nth-child(3) { animation: logo-pulse-dim 2.4s ease-in-out infinite 0.6s; }
@keyframes logo-pulse-dim {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.15; }
}

/* nav links */
.site-nav-links {
  position: absolute; left: 50%; transform: translateX(-50%);
  display: flex; gap: 28px;
  font-size: 13px; color: var(--ink-2); font-weight: 500;
}
.site-nav-links a {
  transition: color 180ms ease;
}
.site-nav-links a:hover { color: var(--teal); }

/* nav CTAs */
.site-nav-cta {
  display: flex; gap: 10px; align-items: center;
}

/* mobile hamburger */
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 24px; height: 18px; position: relative;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block; position: absolute; left: 0; right: 0;
  height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform 250ms ease, opacity 250ms ease;
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 8px; }
.nav-toggle span:nth-child(3) { top: 16px; }

.nav-toggle.active span:nth-child(1) { top: 8px; transform: rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { top: 8px; transform: rotate(-45deg); }

/* mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  z-index: 999;
  background: rgba(246,244,238,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center; justify-content: center; gap: 28px;
  padding-bottom: 60px;
  opacity: 0;
  transition: opacity 300ms ease;
}
.mobile-menu.active { display: flex; opacity: 1; }
.mobile-menu a {
  font-size: 18px; font-weight: 400; color: var(--ink);
  transition: color 180ms ease;
}
.mobile-menu a:hover { color: var(--teal); }
.mobile-menu .btn.teal {
  font-size: 15px; padding: 12px 24px;
  background: var(--teal); border-color: var(--teal); color: #fff;
  margin-top: 8px;
}