/* ═══════════════════════════════════════════
   BUECON — Navbar — FIXED
   ═══════════════════════════════════════════ */

#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  padding: 28px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding 0.4s var(--ease-smooth), background 0.4s, backdrop-filter 0.4s, transform 0.4s var(--ease-smooth);
}
#navbar.scrolled {
  padding: 16px 48px;
  background: rgba(11,28,44,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(197,164,109,0.1);
}

/* ── BUECON Logo — Orbitron font ── */
.nav-logo {
  font-family: var(--font-logo) !important;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--white);
  cursor: pointer;
  transition: color var(--dur-mid);
  text-decoration: none;
}
.nav-logo:hover { color: var(--gold); }

/* ── Links ── */
.nav-links { display: flex; gap: 40px; align-items: center; }
.nav-links li a {
  font-size: var(--fs-sm);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--silver-dim);
  position: relative;
  transition: color var(--dur-mid);
  text-decoration: none;
}
.nav-links li a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--dur-mid) var(--ease-out);
}
.nav-links li a:hover { color: var(--white); }
.nav-links li a:hover::after { width: 100%; }

/* ── CTA ── */
.nav-cta {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 10px 22px;
  border: 1px solid rgba(197,164,109,0.4);
  border-radius: var(--radius-full);
  transition: all var(--dur-mid) var(--ease-out);
  text-decoration: none;
}
.nav-cta:hover {
  background: var(--gold);
  color: #000 !important;
  border-color: var(--gold);
  box-shadow: 0 0 20px rgba(197,164,109,0.3);
}

/* ── Hamburger ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 1px;
  background: var(--silver);
  transition: all 0.35s var(--ease-smooth);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ── Mobile Menu ── */
.mobile-menu {
  position: fixed; inset: 0;
  background: rgba(6,15,24,0.98);
  backdrop-filter: blur(20px);
  z-index: calc(var(--z-nav) - 1);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 32px; text-align: center; }
.mobile-menu ul li a {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 500;
  color: var(--silver);
  letter-spacing: 0.08em;
  transition: color var(--dur-mid);
  text-decoration: none;
  display: block;
}
.mobile-menu ul li a:hover { color: var(--gold); }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  #navbar { padding: 20px 24px; }
  #navbar.scrolled { padding: 14px 24px; }
}