/* ==========================================================================
   Split fullscreen menu
   Image panel slides in from the left, menu panel from the right,
   they meet at the seam and the shield badge pops in on top.
   ========================================================================== */

.site-menu {
  --split: 55%;
  --dur: 0.95s;

  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: var(--split) 1fr;
  overflow: hidden;
  visibility: hidden;
  pointer-events: none;
  transition: visibility 0s linear var(--dur);
}

.site-menu.is-open {
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

/* Left — image ------------------------------------------------------- */
.site-menu__media {
  position: relative;
  overflow: hidden;
  background: #111;
  transform: translateX(-100%);
  transition: transform var(--dur) var(--ease-in-out);
}

/* Parallax drift while the panel slides in */
.site-menu__slides {
  position: absolute;
  inset: 0;
  transform: translateX(30%) scale(1.15);
  transition: transform calc(var(--dur) * 1.4) var(--ease-in-out);
}

/* Slides stack; hovering a menu item fades its slide in
   (timings match earthroamer.com: opacity .6s, transform .8s) */
.menu-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: translateZ(0) scale(1.02);
  backface-visibility: hidden;
  transition: transform 0.8s ease, opacity 0.6s;
}

.menu-slide.is-active {
  opacity: 1;
  transform: translateZ(0) scale(1.001);
  z-index: 1;
}

.site-menu__media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0) 22%);
}

/* Right — list panel ------------------------------------------------- */
.site-menu__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-h) + 24px) var(--gutter) 40px clamp(80px, 9vw, 150px);
  background: #434345;
  border-left: 1px solid rgba(0, 0, 0, 0.6);
  transform: translateX(100%);
  transition: transform var(--dur) var(--ease-in-out);
}

/* EarthRoamer: cracked-rock texture over #434345 at 50% */
.site-menu__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../images/menu/menu-background-img.avif") center / cover no-repeat;
  opacity: 0.5;
  pointer-events: none;
}

.site-menu__panel > * { position: relative; }
.site-menu__footer { position: absolute; }

.site-menu.is-open .site-menu__media,
.site-menu.is-open .site-menu__panel { transform: translateX(0); }

.site-menu.is-open .site-menu__slides { transform: translateX(0) scale(1); }

/* List --------------------------------------------------------------- */
.site-menu__list li { overflow: hidden; }

.site-menu__list a {
  position: relative;
  display: inline-block;
  padding: 0.14em 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 2.6vw, 40px);
  line-height: 1.2;
  letter-spacing: 0.81px;
  text-transform: uppercase;
  color: #e6dfd2;
  transform: translateY(105%);
  transition: transform 0.45s var(--ease-in-out), color 0.3s ease;
}

.site-menu__label { position: relative; }

.site-menu__label::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.08em;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease-in-out);
}

.site-menu__list a:hover { color: #fff; }
.site-menu__list a:hover .site-menu__label::after { transform: scaleX(1); transform-origin: left; }

.site-menu.is-open .site-menu__list a {
  transform: translateY(0);
  transition: transform 0.8s var(--ease-out), color 0.3s ease;
  transition-delay: calc(0.55s + var(--i, 0) * 0.06s), 0s;
}

/* Footer: shop link + socials --------------------------------------- */
.site-menu__footer {
  position: absolute;
  left: clamp(80px, 9vw, 150px);
  right: var(--gutter);
  bottom: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.site-menu.is-open .site-menu__footer {
  opacity: 1;
  transition: opacity 0.6s ease 1s;
}

.site-menu__shop {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--c-accent);
}

.site-menu__shop span { display: inline-block; transition: transform 0.3s ease; }
.site-menu__shop:hover span { transform: translateX(5px); }

.site-menu__social { display: flex; gap: 10px; }

.site-menu__social a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  color: var(--c-text-dim);
  transition: color 0.3s, border-color 0.3s, background-color 0.3s;
}

.site-menu__social a:hover {
  color: #fff;
  border-color: var(--c-accent);
  background: var(--c-accent);
}

.site-menu__social svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linejoin: round;
}

.site-menu__social svg .fill { fill: currentColor; stroke: none; }

/* Seam badge ---------------------------------------------------------- */
.site-menu__badge {
  position: absolute;
  left: var(--split);
  top: 50%;
  width: clamp(110px, 10vw, 150px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--c-black);
  box-shadow:
    0 0 0 3px var(--c-black),
    0 0 0 5px var(--c-accent),
    0 20px 50px rgba(0, 0, 0, 0.55);
  transform: translate(-50%, -50%) scale(0) rotate(-120deg);
  transition: transform 0.35s var(--ease-in-out);
}

.site-menu__badge img { width: 56%; height: auto; }

.site-menu.is-open .site-menu__badge {
  transform: translate(-50%, -50%) scale(1) rotate(0deg);
  transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.8s;
}

/* Mobile: menu panel only ------------------------------------------ */
@media (max-width: 767px) {
  .site-menu { grid-template-columns: 1fr; }
  .site-menu__media,
  .site-menu__badge { display: none; }
  .site-menu__panel { padding-left: var(--gutter); }
  .site-menu__footer { left: var(--gutter); }
}

@media (prefers-reduced-motion: reduce) {
  .site-menu { --dur: 0.01s; }
  .site-menu__list a,
  .site-menu.is-open .site-menu__list a { transition-delay: 0s; }
}