/* Sakura Atelier V4.1 — Living Banner
   Drop-in layer. Does not replace your existing theme. */

.sakura-living-banner {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: clamp(230px, 32vw, 420px);
  border-radius: 28px;
  background: #21152d;
}

.sakura-living-banner__video,
.sakura-living-banner__veil,
.sakura-living-banner__petals,
.sakura-living-banner__content {
  position: absolute;
  inset: 0;
}

.sakura-living-banner__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -4;
  filter: saturate(.92) brightness(.82);
  transform: scale(1.025);
  transition: filter .8s ease, transform 8s ease;
}

.sakura-living-banner:hover .sakura-living-banner__video {
  filter: saturate(1) brightness(.88);
  transform: scale(1.045);
}

.sakura-living-banner__veil {
  z-index: -3;
  background:
    linear-gradient(90deg,
      rgba(24, 13, 35, .74) 0%,
      rgba(52, 28, 67, .34) 48%,
      rgba(20, 10, 30, .54) 100%),
    linear-gradient(180deg,
      rgba(255, 210, 239, .08),
      rgba(30, 10, 42, .18));
}

.sakura-living-banner__content {
  z-index: 2;
  display: flex;
  align-items: center;
  padding: clamp(28px, 5vw, 64px);
  pointer-events: none;
}

.sakura-living-banner__title {
  margin: 0;
  max-width: 760px;
  color: #fff7fd;
  font-family: "Noto Serif CJK JP", "Yu Mincho", serif;
  font-size: clamp(32px, 5vw, 70px);
  line-height: 1.08;
  letter-spacing: .08em;
  text-shadow: 0 8px 32px rgba(20, 5, 30, .48);
}

.sakura-living-banner__subtitle {
  margin-top: 12px;
  color: rgba(255,245,252,.82);
  letter-spacing: .18em;
}

.sakura-living-banner__petals {
  z-index: 4;
  pointer-events: none;
  overflow: hidden;
}

.sakura-petal {
  position: absolute;
  top: -12%;
  width: var(--size);
  height: calc(var(--size) * .72);
  border-radius: 70% 30% 70% 30%;
  background:
    radial-gradient(circle at 30% 25%,
      rgba(255,255,255,.72),
      transparent 22%),
    linear-gradient(135deg,
      rgba(255,225,240,.95),
      rgba(232,150,190,.82));
  box-shadow: 0 2px 10px rgba(90,25,70,.18);
  opacity: var(--opacity);
  transform: rotate(var(--rotation));
  animation:
    sakuraFall var(--duration) linear var(--delay) infinite,
    sakuraSway calc(var(--duration) * .42) ease-in-out var(--delay) infinite alternate;
}

@keyframes sakuraFall {
  from {
    transform:
      translate3d(0, -12vh, 0)
      rotate(var(--rotation));
  }
  to {
    transform:
      translate3d(var(--drift), 118vh, 0)
      rotate(calc(var(--rotation) + 560deg));
  }
}

@keyframes sakuraSway {
  from { margin-left: -18px; }
  to   { margin-left: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .sakura-petal { animation: none; display: none; }
  .sakura-living-banner__video { transform: none; }
}

@media (max-width: 700px) {
  .sakura-living-banner { min-height: 250px; }
  .sakura-living-banner__content { padding: 26px; }
  .sakura-living-banner__title { letter-spacing: .04em; }
}