/* =============================================================
   MENU.CSS — fullscreen "spring & snap" nav overlay (homepage).
   Opens from the navbar menu button. Left = staggered nav links,
   right = a live preview image that changes on hover. Pure CSS
   motion (no GSAP); wired by js/menu.js. Honors reduced-motion.
   ============================================================= */

/* Homepage adopts the overlay as the primary nav: hide the inline
   links and always show the menu button. */
.home-editorial .nav-links {
  display: none !important;
}
.home-editorial .menu-btn {
  display: inline-flex;
}

.mega-menu {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  align-content: center;
  visibility: hidden;
  pointer-events: none;
}
.mega-menu.open {
  visibility: visible;
  pointer-events: auto;
}

/* Backdrop that wipes in from the top. */
.mega-menu::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--bg);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.6s cubic-bezier(0.76, 0, 0.24, 1);
}
.mega-menu.open::before {
  transform: scaleY(1);
}

/* ---------- Left: staggered nav links ---------- */
.mega-nav {
  padding: 0 clamp(28px, 8vw, 120px);
  display: flex;
  flex-direction: column;
  gap: clamp(4px, 1vw, 10px);
}

.mega-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 16px;
  overflow: hidden;
  padding: 2px 0;
  text-decoration: none;
}
.mega-link .mega-idx {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  transform: translateY(120%);
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--i) * 0.05s + 0.12s);
}
.mega-link .mega-word {
  display: block;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  transform: translateY(110%);
  transition:
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.25s ease;
  transition-delay: calc(var(--i) * 0.06s + 0.15s), 0s;
}
.mega-menu.open .mega-link .mega-idx,
.mega-menu.open .mega-link .mega-word {
  transform: translateY(0);
}
.mega-link:hover .mega-word,
.mega-link.is-active .mega-word {
  color: var(--accent);
}

/* ---------- Overlay footer (email) ---------- */
.mega-foot {
  position: absolute;
  left: clamp(28px, 8vw, 120px);
  bottom: 28px;
  display: flex;
  gap: 22px;
  align-items: center;
  opacity: 0;
  transition: opacity 0.5s ease 0.4s;
}
.mega-menu.open .mega-foot {
  opacity: 1;
}
.mega-foot a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}
.mega-foot a:hover {
  color: var(--accent);
}

/* Close button — lives inside the overlay so it always sits on top
   (the navbar is z-index 100, below the overlay). */
.mega-close {
  position: absolute;
  top: 22px;
  right: 24px;
  z-index: 140;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.8) rotate(-90deg);
  transition:
    opacity 0.4s ease 0.3s,
    transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.3s,
    border-color 0.2s ease,
    color 0.2s ease;
}
.mega-menu.open .mega-close {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}
.mega-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

@media (prefers-reduced-motion: reduce) {
  .mega-menu::before,
  .mega-link .mega-idx,
  .mega-link .mega-word {
    transition: none;
  }
}