/* ============================================================
   nav.css — Top navigation bar + mobile menu
   ============================================================ */

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem 3rem;
  background: rgba(250, 245, 238, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--beige-md);
  transition: padding .3s;
}
nav.scrolled { padding: 1rem 3rem; }

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 400;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--pink-dk); text-decoration: none;
}

.nav-links { display: flex; gap: 2.4rem; list-style: none; }
.nav-links a {
  font-size: .72rem; font-weight: 300; letter-spacing: .18em;
  text-transform: uppercase; color: var(--text); text-decoration: none;
  position: relative; padding-bottom: 3px; transition: color .25s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px; background: var(--pink); transition: width .3s;
}
.nav-links a:hover { color: var(--pink-dk); }
.nav-links a:hover::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.hamburger span { display: block; width: 24px; height: 1.5px; background: var(--text); transition: all .3s; }
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile fullscreen menu */
.mobile-menu {
  display: none; position: fixed; inset: 0;
  background: rgba(250, 245, 238, 0.96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: 99;
  flex-direction: column; align-items: center; justify-content: center; gap: 1.8rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-body); font-size: .78rem;
  font-weight: 300; letter-spacing: .28em; text-transform: uppercase;
  color: var(--text-lt); text-decoration: none;
  transition: color .2s;
}
.mobile-menu a:hover { color: var(--pink); }

@media (max-width: 900px) {
  nav { padding: 1.2rem 1.8rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
}