/* ══════════════════════════════════════════════════════════════
   PERSONA 4 REVIVAL - HIGH FIDELITY ULTRA-SMOOTH MENU DRAWER
   Exact cubic-bezier transitions matching Sega production
   ══════════════════════════════════════════════════════════════ */

/* The Hamburger Button: acute isometric 22.53deg cross */
.site-menu-toggle {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

.site-menu-toggle:hover {
  transform: scale(1.06);
}

.site-menu-toggle:active {
  transform: scale(0.95);
}

.site-menu-toggle span {
  transition: top 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.2s ease !important;
}

.site-menu-toggle[aria-expanded="true"] span:first-child {
  top: 50% !important;
  transform: translate(-50%, -50%) rotate(22.53deg) !important;
}

.site-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  top: 50% !important;
  transform: translate(-50%, -50%) rotate(-22.53deg) !important;
}

.site-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  opacity: 0 !important;
  transform: translate(-50%, -50%) scaleX(0) !important;
}

/* The Drawer Root */
.site-nav-drawer {
  --site-nav-drawer-clip-cx: calc(100% - 3.54167vw);
  --site-nav-drawer-clip-cy: 2.76042vw;
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: auto;
}

@media (max-width: 750px) {
  .site-nav-drawer {
    --site-nav-drawer-clip-cx: calc(100% - 8.13333vw);
    --site-nav-drawer-clip-cy: 7.86667vw;
  }
}

/* 1. Backdrop Glassmorphism Cyan Layer */
.site-nav-drawer__bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 222, 255, 0.88);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  z-index: 0;
  will-change: clip-path, opacity;
  transform: translateZ(0);
}

/* Opening Circular Burst */
.site-nav-drawer.site-nav-drawer--revealed .site-nav-drawer__bg {
  animation: p4r-drawer-clip-open 0.42s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Closing Circular Burst */
.site-nav-drawer.site-nav-drawer--closing .site-nav-drawer__bg {
  animation: p4r-drawer-clip-close 0.32s cubic-bezier(0.7, 0, 0.84, 0) forwards;
}

@keyframes p4r-drawer-clip-open {
  0% {
    clip-path: circle(0 at var(--site-nav-drawer-clip-cx) var(--site-nav-drawer-clip-cy));
    opacity: 0.2;
  }
  100% {
    clip-path: circle(160vmax at var(--site-nav-drawer-clip-cx) var(--site-nav-drawer-clip-cy));
    opacity: 1;
  }
}

@keyframes p4r-drawer-clip-close {
  0% {
    clip-path: circle(160vmax at var(--site-nav-drawer-clip-cx) var(--site-nav-drawer-clip-cy));
    opacity: 1;
  }
  100% {
    clip-path: circle(0 at var(--site-nav-drawer-clip-cx) var(--site-nav-drawer-clip-cy));
    opacity: 0;
  }
}

/* 2. Expanding Yellow Disc */
.site-nav-drawer__deco--pc {
  position: absolute;
  width: 110.3125vw;
  height: 110.3125vw;
  left: 41.1458333333vw;
  top: -51.4583333333vw;
  background: #fff300;
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
  transform-origin: center center;
  will-change: transform, opacity;
}

.site-nav-drawer.site-nav-drawer--revealed .site-nav-drawer__deco--pc {
  animation: p4r-deco-grow-pc 0.45s cubic-bezier(0.16, 1, 0.3, 1) 0.02s both;
}

.site-nav-drawer.site-nav-drawer--closing .site-nav-drawer__deco--pc {
  animation: p4r-deco-close-pc 0.28s cubic-bezier(0.7, 0, 0.84, 0) forwards;
}

@keyframes p4r-deco-grow-pc {
  0% {
    transform: scale(0);
    opacity: 0.8;
  }
  100% {
    transform: scale(var(--site-nav-drawer-pc-scale, 1));
    opacity: 1;
  }
}

@keyframes p4r-deco-close-pc {
  0% {
    transform: scale(var(--site-nav-drawer-pc-scale, 1));
    opacity: 1;
  }
  100% {
    transform: scale(0);
    opacity: 0;
  }
}

/* 3. Content Staggered Fade-in */
.site-nav-drawer .site-nav-drawer__inner,
.site-nav-drawer .site-nav-drawer__specs {
  opacity: 0;
  transform: translate3d(20px, 0, 0);
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1) 0.15s,
              transform 0.35s cubic-bezier(0.16, 1, 0.3, 1) 0.15s;
}

.site-nav-drawer.site-nav-drawer--content-visible .site-nav-drawer__inner,
.site-nav-drawer.site-nav-drawer--content-visible .site-nav-drawer__specs {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.site-nav-drawer.site-nav-drawer--closing .site-nav-drawer__inner,
.site-nav-drawer.site-nav-drawer--closing .site-nav-drawer__specs {
  opacity: 0;
  transform: translate3d(20px, 0, 0);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

/* Nav Link Hover Underline & Slide */
.site-nav-drawer__link {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease;
}

.site-nav-drawer__link:hover {
  transform: translate3d(8px, 0, 0);
  color: #000;
}

.site-nav-drawer__link:hover:after {
  width: 100% !important;
}

/* Floating Audio Rack Styling */
.p4-soundbox-rack {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #2d2d2d;
  border: 2px solid #fff300;
  border-radius: 999px;
  padding: 0.5rem 1.25rem;
  box-shadow: 4px 4px 0 #000, 0 10px 30px rgba(0, 0, 0, 0.45);
  transform: translate3d(0, 0, 0);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.p4-soundbox-rack:hover {
  transform: translate3d(-2px, -2px, 0);
  box-shadow: 6px 6px 0 #000, 0 14px 36px rgba(0, 0, 0, 0.55);
}

.p4-soundbox-select {
  background: #1a1a1a;
  color: #fff300;
  border: 1px solid #fff300;
  border-radius: 6px;
  padding: 0.3rem 0.6rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.p4-soundbox-btn {
  background: #fff300;
  border: none;
  color: #2d2d2d;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.p4-soundbox-btn:hover {
  background: #00deff;
  color: #fff;
  transform: scale(1.05);
}

.p4-soundbox-btn:active {
  transform: scale(0.95);
}