.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}

.site-nav.scrolled {
  box-shadow: 0 2px 20px rgba(18, 8, 30, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(253, 251, 255, 0.92);
}

.nav__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand monogram */
.nav__brand {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: normal;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text);
  z-index: 1001;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__brand:hover {
  color: var(--color-gold);
}

/* Desktop links */
.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

@media (min-width: 1024px) {
  .nav__links {
    display: flex;
  }
}

.nav__links a {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text);
  position: relative;
  padding-bottom: 3px;
  transition: color var(--transition-fast);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  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-gold);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

/* Instagram icon (right side) */
.nav__instagram {
  display: none;
}

@media (min-width: 1024px) {
  .nav__instagram {
    display: flex;
    align-items: center;
  }
}

.nav__instagram a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.nav__instagram a:hover {
  color: var(--color-gold);
}

.nav__instagram svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Hamburger button */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: 1001;
  position: relative;
  padding: 0;
}

@media (min-width: 1024px) {
  .nav__hamburger {
    display: none;
  }
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-text);
  transition: transform 300ms ease, opacity 300ms ease;
  transform-origin: center;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile overlay menu */
.nav__mobile-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.nav__mobile-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.nav__mobile-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.nav__mobile-links a {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-style: normal;
  font-weight: 200;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.nav__mobile-links a:hover {
  color: var(--color-violet);
}

.nav__mobile-footer {
  position: absolute;
  bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.nav__mobile-footer p {
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}

.nav__mobile-footer a {
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-violet);
  text-transform: uppercase;
}