/* ============================================================
   PORTFOLIO THEME — navbar.css
   Navigation styles
   ============================================================ */

/* ─── Navbar ─────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30px var(--gutter);
  transition: padding 0.4s ease, background 0.4s ease, backdrop-filter 0.4s ease;
}
#navbar.scrolled {
  padding: 18px var(--gutter);
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-border);
}

/* Logo */
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--color-cream);
  position: relative;
  z-index: 2;
}
.nav-logo .dot { color: var(--color-gold); }

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 44px;
}
.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  position: relative;
  transition: color var(--transition-base);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px; left: 0;
  width: 0; height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-cream);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* CTA button in nav */
.nav-cta {
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 10px 24px;
  border: 1px solid rgba(201,169,110,0.4);
  color: var(--color-gold);
  transition: all var(--transition-base);
}
.nav-cta:hover {
  background: var(--color-gold);
  color: var(--color-dark);
  border-color: var(--color-gold);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: none;
  z-index: 2;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 1.5px;
  background: var(--color-cream);
  transition: all var(--transition-base);
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.nav-mobile {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 36px;
  transform: translateY(-100%);
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-mobile.open { transform: translateY(0); }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-muted);
  transition: color var(--transition-base);
}
.nav-mobile a:hover { color: var(--color-gold); }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
}