/* BaZiWar line-hatch + zodiac visuals */

.site-body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-grain);
  opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Hero art layout */
.site-hero {
  position: relative;
  overflow: hidden;
}

.site-hero.marketing-hero {
  overflow: visible;
}

.bw-hero-art {
  --mx: 0;
  --my: 0;
  --scroll-parallax: 0;
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-hero-art);
  perspective: 1200px;
  perspective-origin: 50% 42%;
}

.site-hero > *:not(.bw-hero-art) {
  position: relative;
  z-index: var(--z-content);
}

/* Home target — fixed viewport layer, flat 2D (no scroll drift) */
.bw-home-target-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-hero-art);
  overflow: hidden;
}

main[data-home-page] > :not(.bw-home-target-layer) {
  position: relative;
  z-index: var(--z-content);
}

/* Centered background target — flat 2D tactical rings behind hero content */
.bw-hero-target-wrap {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(80vw, 780px);
  height: min(80vw, 780px);
  max-width: calc(100% - 48px);
  max-height: calc(100% - 48px);
  --target-y-lift: 10.5vh;
  --target-opacity: 0.42;
  --target-opacity-min: 0.36;
  --target-opacity-max: 0.48;
  transform: translate(-50%, calc(-50% - var(--target-y-lift)));
  z-index: 0;
  opacity: var(--target-opacity);
  pointer-events: none;
  animation: bw-hero-target-breathe 20s ease-in-out infinite;
  will-change: transform;
}

.bw-hero-target {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

@keyframes bw-hero-target-breathe {
  0%, 100% { opacity: var(--target-opacity-min); }
  50% { opacity: var(--target-opacity-max); }
}

.site-entrance-pending .bw-hero-target-wrap.site-entrance-art {
  opacity: 0;
  transform: translate(-50%, calc(-50% - var(--target-y-lift)));
  animation: none;
}

.site-entered .bw-hero-target-wrap.site-entrance-art {
  animation:
    bw-hero-target-enter 1.05s cubic-bezier(0.22, 1, 0.36, 1) var(--entrance-delay, 0.1s) forwards,
    bw-hero-target-breathe 20s ease-in-out calc(var(--entrance-delay, 0.1s) + 1.05s) infinite;
}

@keyframes bw-hero-target-enter {
  from {
    opacity: 0;
    transform: translate(-50%, calc(-50% - var(--target-y-lift)));
  }
  to {
    opacity: var(--target-opacity);
    transform: translate(-50%, calc(-50% - var(--target-y-lift)));
  }
}

/* Right-side zodiac hatch — animal line art only */
.bw-hero-hatch-wrap {
  position: absolute;
  right: -4%;
  top: 50%;
  width: min(36vw, 300px);
  height: min(36vw, 300px);
  max-width: calc(100% - 32px);
  max-height: calc(100% - 32px);
  opacity: 0.62;
  transform-style: preserve-3d;
  transform:
    translateY(-48%)
    translate3d(calc(var(--mx, 0) * 6px), calc(var(--my, 0) * 4px + var(--scroll-parallax, 0) * -18px), 0)
    rotateX(calc(8deg + var(--my, 0) * -2deg))
    rotateY(calc(var(--mx, 0) * 3deg));
  animation: bw-hero-float 28s ease-in-out infinite;
  will-change: transform;
  z-index: 1;
}

.bw-hero-hatch-wrap canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  transform: translateZ(8px);
}

@keyframes bw-hero-float {
  0%, 100% {
    transform:
      translateY(-48%)
      translate3d(calc(var(--mx, 0) * 6px), calc(var(--my, 0) * 4px + var(--scroll-parallax, 0) * -18px), 0)
      rotateX(calc(8deg + var(--my, 0) * -2deg))
      rotateY(calc(var(--mx, 0) * 3deg));
  }
  50% {
    transform:
      translateY(-50%)
      translate3d(calc(var(--mx, 0) * 6px + 3px), calc(var(--my, 0) * 4px + var(--scroll-parallax, 0) * -18px - 6px), 0)
      rotateX(calc(9deg + var(--my, 0) * -2deg))
      rotateY(calc(var(--mx, 0) * 3deg + 1deg));
  }
}

.site-entrance-pending .bw-hero-hatch-wrap.site-entrance-art {
  opacity: 0;
  filter: blur(8px);
  animation: none;
}

.site-entered .bw-hero-hatch-wrap.site-entrance-art {
  animation:
    bw-hero-hatch-enter 1.1s cubic-bezier(0.22, 1, 0.36, 1) var(--entrance-delay, 0.24s) forwards,
    bw-hero-float 28s ease-in-out calc(var(--entrance-delay, 0.24s) + 1.1s) infinite;
}

@keyframes bw-hero-hatch-enter {
  from {
    opacity: 0;
    filter: blur(8px);
  }
  to {
    opacity: 0.64;
    filter: blur(0);
  }
}

.bw-ring-target,
.bw-tactics-target {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform-style: preserve-3d;
}

.bw-zodiac-stage .bw-ring-target {
  transform: rotateX(-52deg) translateZ(-8px);
  opacity: 0.55;
  animation: bw-target-breathe 18s ease-in-out infinite;
}

@keyframes bw-target-breathe {
  0%, 100% { opacity: 0.5; transform: rotateX(-52deg) translateZ(-8px) scale(0.98); }
  50% { opacity: 0.58; transform: rotateX(-52deg) translateZ(-4px) scale(1); }
}

.bw-tactics-compass-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  opacity: 0.7;
  transform-style: preserve-3d;
  animation: bw-compass-tilt 24s ease-in-out infinite;
}

@keyframes bw-compass-tilt {
  0%, 100% { transform: rotateX(4deg) rotateY(-2deg); }
  50% { transform: rotateX(-3deg) rotateY(3deg); }
}

.bw-tactics-target {
  transform: translateZ(-10px) scale(0.94);
}

.bw-tactics-compass-wrap canvas:not(.bw-tactics-target) {
  position: relative;
  z-index: 1;
  transform: translateZ(6px);
}

.bw-tactics-compass-wrap canvas {
  width: 100%;
  height: 100%;
}

.bw-zodiac-label {
  position: absolute;
  left: 8%;
  top: 18%;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
  font-variant-numeric: tabular-nums;
  transform: translate3d(calc(var(--mx, 0) * -4px), calc(var(--my, 0) * -3px), 0);
  animation: bw-label-drift 22s ease-in-out infinite;
}

@keyframes bw-label-drift {
  0%, 100% { transform: translate3d(calc(var(--mx, 0) * -4px), calc(var(--my, 0) * -3px), 0); opacity: 1; }
  50% { transform: translate3d(calc(var(--mx, 0) * -4px), calc(var(--my, 0) * -3px - 6px), 0); opacity: 0.92; }
}

.site-entrance-pending .bw-zodiac-label.site-entrance-art {
  opacity: 0;
  transform: translate3d(calc(var(--mx, 0) * -4px), calc(var(--my, 0) * -3px + 12px), 0);
  animation: none;
}

.site-entered .bw-zodiac-label.site-entrance-art {
  animation:
    bw-zodiac-label-enter 0.95s cubic-bezier(0.22, 1, 0.36, 1) var(--entrance-delay, 0.18s) forwards,
    bw-label-drift 22s ease-in-out calc(var(--entrance-delay, 0.18s) + 0.95s) infinite;
}

@keyframes bw-zodiac-label-enter {
  from {
    opacity: 0;
    transform: translate3d(calc(var(--mx, 0) * -4px), calc(var(--my, 0) * -3px + 12px), 0);
  }
  to {
    opacity: 1;
    transform: translate3d(calc(var(--mx, 0) * -4px), calc(var(--my, 0) * -3px), 0);
  }
}

.bw-zodiac-year {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: rgba(255, 255, 255, 0.55);
}

.bw-zodiac-branch {
  font-size: 1.25rem;
  color: var(--app-accent);
  letter-spacing: 0.2em;
  opacity: 0.62;
}

.bw-zodiac-name {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: none;
  color: var(--muted);
  opacity: 0.64;
}

/* 3D zodiac ring */
.bw-zodiac-section {
  max-width: 960px;
  margin: 0 auto;
  padding: 64px 24px 88px;
  text-align: center;
}

.bw-zodiac-stage {
  perspective: 900px;
  perspective-origin: 50% 55%;
  margin: 40px auto 24px;
  height: min(72vw, 380px);
  max-width: 420px;
  position: relative;
  animation: bw-stage-tilt 32s ease-in-out infinite;
}

@keyframes bw-stage-tilt {
  0%, 100% { transform: rotateX(0deg) rotateY(0deg); }
  50% { transform: rotateX(2deg) rotateY(-3deg); }
}

.bw-zodiac-ring {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transform: rotateX(52deg) rotateZ(0deg);
  animation: bw-ring-spin 90s linear infinite;
}

@keyframes bw-ring-spin {
  to { transform: rotateX(52deg) rotateZ(360deg); }
}

.bw-ring-node {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 44px;
  height: 44px;
  margin: -22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  cursor: default;
  transform: rotate(calc(var(--i) * 30deg)) translateY(-140px) rotate(calc(var(--i) * -30deg)) translateZ(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0;
  color: inherit;
  font-family: inherit;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.bw-ring-node:hover {
  transform: rotate(calc(var(--i) * 30deg)) translateY(-140px) rotate(calc(var(--i) * -30deg)) translateZ(12px) scale(1.06);
  border-color: rgba(255, 255, 255, 0.22);
}

.bw-ring-node.is-current {
  border-color: var(--app-accent);
  background: rgba(138, 117, 96, 0.2);
  box-shadow: 0 0 24px rgba(138, 117, 96, 0.25);
  animation: bw-accent-pulse 4s ease-in-out infinite;
}

@keyframes bw-accent-pulse {
  0%, 100% { box-shadow: 0 0 24px rgba(138, 117, 96, 0.25); }
  50% { box-shadow: 0 0 32px rgba(138, 117, 96, 0.4); }
}

.bw-ring-han {
  font-size: 14px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.78);
}

.bw-ring-en {
  font-size: 6px;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--app-text-muted);
  display: none;
}

.bw-ring-node.is-current .bw-ring-en,
.bw-ring-node:hover .bw-ring-en {
  display: block;
}

.bw-ring-preview {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 120px;
  height: 120px;
  margin: -60px;
  transform: rotateX(-52deg) translateZ(16px);
  opacity: 0.35;
  pointer-events: none;
}

.bw-ring-preview canvas {
  width: 100%;
  height: 100%;
}

/* Tactics compass beside tactics section */
.bw-war-visual {
  display: grid;
  grid-template-columns: 1fr min(200px, 35vw);
  gap: 32px;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
}

.bw-section-hatch-wrap {
  width: 100%;
  max-width: 200px;
  aspect-ratio: 1;
  margin: 24px auto 0;
  opacity: 0.32;
}

.bw-section-hatch {
  width: 100%;
  height: 100%;
}

@media (max-width: 1023px) {
  .bw-war-visual {
    grid-template-columns: 1fr;
  }

  .bw-tactics-compass-wrap {
    max-width: 160px;
    margin: 0 auto;
  }
}

@media (max-width: 767px) {
  .bw-hero-target-wrap {
    width: min(94vw, 620px);
    height: min(94vw, 620px);
    --target-y-lift: 8vh;
    max-width: calc(100% - 36px);
    max-height: calc(100% - 36px);
  }

  .bw-hero-hatch-wrap {
    right: -10%;
    top: 50%;
    width: min(40vw, 200px);
    height: min(40vw, 200px);
    opacity: 0.48;
  }

  .bw-zodiac-label {
    left: 4%;
    top: 6%;
  }

  .bw-zodiac-year {
    font-size: clamp(2rem, 10vw, 3rem);
  }
}

@media (max-width: 479px) {
  .bw-hero-target-wrap {
    width: min(98vw, 560px);
    height: min(98vw, 560px);
    --target-y-lift: 6vh;
    max-width: calc(100% - 28px);
    max-height: calc(100% - 28px);
  }

  .bw-hero-hatch-wrap {
    right: -8%;
    top: 54%;
    width: min(44vw, 180px);
    height: min(44vw, 180px);
    opacity: 0.4;
  }

  .bw-zodiac-label {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bw-zodiac-ring,
  .bw-hero-hatch-wrap,
  .bw-hero-target-wrap,
  .bw-zodiac-label,
  .bw-ring-node.is-current,
  .bw-tactics-compass-wrap,
  .bw-zodiac-stage .bw-ring-target,
  .bw-zodiac-stage {
    animation: none;
    filter: none;
    opacity: inherit;
  }

  .bw-hero-target-wrap {
    transform: translate(-50%, calc(-50% - var(--target-y-lift)));
    opacity: var(--target-opacity);
  }

  .bw-hero-hatch-wrap {
    transform: translateY(-48%);
  }

  .bw-zodiac-label {
    transform: none;
  }

  .bw-hero-art {
    --mx: 0;
    --my: 0;
    --scroll-parallax: 0;
  }
}