.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  transition: background var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: rgba(245,242,238,0.95);
  backdrop-filter: blur(12px);
  padding: 1rem 3rem;
  border-bottom: 1px solid var(--gray-light);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.04em;
  color: var(--black);
  z-index: 110;
}
.nav-links { display: flex; gap: 2.5rem; align-items: center; }
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1.5px;
  background: var(--black);
  transition: width var(--transition);
}
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 110;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--black);
  transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--black);
  color: var(--white);
  z-index: 200;
  display: flex;
  flex-direction: column;
  padding: 2rem 2rem 3rem;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.77,0,0.175,1);
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.menu-close {
  align-self: flex-end;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 3rem;
}
.mobile-nav { display: flex; flex-direction: column; gap: 0.25rem; margin-bottom: 3rem; }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 4rem);
  color: var(--white);
  line-height: 1.2;
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--accent); }
.menu-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 1.25rem;
}
.menu-featured { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 2rem; }
.menu-project {
  display: block;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: opacity var(--transition);
}
.menu-project:hover { opacity: 0.6; }
.project-code {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--gray-mid);
  margin-bottom: 0.25rem;
  font-weight: 600;
}
.project-title { color: var(--white); font-size: 0.9rem; }
.see-all {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

@media (max-width: 768px) {
  .navbar { padding: 1.25rem 1.5rem; }
  .navbar.scrolled { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}