/* ==================== GLOBAL SITE NAVIGATION ==================== */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  transition: background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}

.site-nav.scrolled,
.site-nav.solid {
  background: rgba(11, 10, 10, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(255, 255, 255, 0.06);
}

.nav-logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.25em;
  color: #f5f1ea;
  text-decoration: none;
  text-transform: uppercase;
  transition: opacity 0.2s ease;
  flex-shrink: 0;
}

.nav-logo:hover {
  opacity: 0.6;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-family: 'Poppins', sans-serif;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 241, 234, 0.5);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: #f5f1ea;
}

/* ── Hamburger toggle ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 36px;
  height: 36px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: #f5f1ea;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.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);
}

/* ── Fullscreen mobile nav ── */
.nav-mobile {
  position: fixed;
  inset: 0;
  background: #0b0a0a;
  z-index: 201;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-mobile.open {
  opacity: 1;
  pointer-events: auto;
}

.nav-mobile a {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.75rem, 8vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(245, 241, 234, 0.5);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-mobile a:hover,
.nav-mobile a[aria-current="page"] {
  color: #f5f1ea;
}

.nav-mobile-close {
  position: absolute;
  top: 1.1rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: rgba(245, 241, 234, 0.4);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
  transition: color 0.2s ease;
}

.nav-mobile-close:hover {
  color: #f5f1ea;
}

@media (max-width: 768px) {
  .site-nav {
    padding: 0 1.5rem;
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}