nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 52px; height: 68px;
  background: rgba(245,243,239,0); backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background .4s, backdrop-filter .4s, border-color .4s;
}
nav.scrolled {
  background: rgba(245,243,239,.88);
  backdrop-filter: blur(20px) saturate(180%);
  border-color: var(--border);
}
.nav-logo {
  font-size: 15px; font-weight: 500; letter-spacing: -.02em;
  color: var(--ink); text-decoration: none;
  opacity: 0; transform: translateY(-8px);
  animation: fadeDown .6s .2s cubic-bezier(.23,1,.32,1) forwards;
}
@keyframes fadeDown { to { opacity: 1; transform: translateY(0); } }

.nav-links {
  display: flex; gap: 32px; align-items: center;
  opacity: 0; transform: translateY(-8px);
  animation: fadeDown .6s .35s cubic-bezier(.23,1,.32,1) forwards;
}
.nav-links a {
  font-size: 14px; color: var(--ink2); text-decoration: none;
  position: relative; font-weight: 400; transition: color .2s; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 50%; right: 50%;
  height: 1px; background: var(--accent);
  transition: left .3s cubic-bezier(.23,1,.32,1), right .3s cubic-bezier(.23,1,.32,1);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { left: 0; right: 0; }

.nav-cta {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px !important; font-weight: 600 !important; color: var(--ink) !important;
  border: 1.5px solid var(--accent) !important; background: var(--accent) !important;
  padding: 0 18px; height: 36px; border-radius: 6px; position: relative; overflow: hidden;
  transition: box-shadow .25s !important, transform .2s !important;
}
.nav-cta::before {
  content: ''; position: absolute; inset: 0; background: rgba(255,255,255,.25);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s cubic-bezier(.23,1,.32,1);
  pointer-events: none;
}
.nav-cta:hover::before { transform: scaleX(1); }
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  box-shadow: 0 4px 16px rgba(180,216,0,.45) !important;
  transform: translateY(-1px) !important;
}

/* ── BURGER BUTTON (injected by interactions.js on mobile) ── */
.nav-burger {
  display: none;
  border: 0; background: transparent;
  width: 36px; height: 36px; padding: 0;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  cursor: none;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink); border-radius: 2px;
  transition: transform .25s cubic-bezier(.23,1,.32,1), opacity .25s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── RESPONSIVE NAV ── */
@media (max-width: 600px) {
  nav { padding: 0 20px; }
  .nav-logo { font-size: 14px; }
  .nav-burger { display: flex; }

  /* Convert nav-links into a slide-down dropdown panel */
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px;
    flex-direction: column; align-items: stretch;
    gap: 16px;
    opacity: 0; transform: translateY(-8px);
    pointer-events: none;
    animation: none;  /* override desktop fadeDown */
    transition: opacity .25s cubic-bezier(.23,1,.32,1), transform .25s cubic-bezier(.23,1,.32,1);
    box-shadow: 0 8px 24px rgba(34,61,74,.06);
  }
  .nav-links.open {
    opacity: 1; transform: translateY(0); pointer-events: auto;
  }
  .nav-links a:not(.nav-cta) {
    display: block;
    font-size: 16px; padding: 8px 4px;
    width: 100%;
  }
  .nav-links a:not(.nav-cta)::after { display: none; }
  .nav-cta {
    width: 100%; height: 44px;
    padding: 0 20px;
    font-size: 14px !important;
    justify-content: center;
  }
}