/*
 * Herzensräume – Immersive Content Modal
 * --------------------------------------
 * Reusable bridge between spatial/3D hotspots and normal semantic content.
 * The modal intentionally remains a DOM component: accessible, indexable where
 * the source content is present, fast and independent from any 3D engine.
 */

body.immersive-modal-open {
  overflow: hidden;
}

body.immersive-modal-open .site-shell {
  transform: perspective(1600px) scale(0.992) translateY(2px);
  filter: saturate(0.94) brightness(0.86);
}

.immersive-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1130;
  border: 0;
  background: rgba(35, 30, 26, 0.34);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  backdrop-filter: blur(1px);
  transition:
    opacity 0.34s ease,
    backdrop-filter 0.55s var(--hr-ease-out),
    visibility 0s linear 0.55s;
}

body.immersive-modal-open .immersive-modal-backdrop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  backdrop-filter: blur(3px);
  transition-delay: 0s;
}

.immersive-modal {
  --immersive-origin-x: 82%;
  --immersive-origin-y: 28%;
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 1140;
  width: min(520px, calc(100vw - 40px));
  max-height: min(680px, calc(100vh - 40px));
  overflow: auto;
  border: 1px solid var(--hr-line);
  border-radius: 22px;
  background:
    radial-gradient(circle at 88% 8%, rgba(231, 123, 59, 0.055), transparent 170px),
    color-mix(in srgb, var(--hr-card) 99.5%, transparent);
  box-shadow:
    0 34px 100px rgba(42, 33, 26, 0.22),
    0 10px 30px rgba(42, 33, 26, 0.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -46%) perspective(1200px) rotateX(5deg) scale(0.91);
  transform-origin: var(--immersive-origin-x) var(--immersive-origin-y);
  transition:
    transform 0.58s var(--hr-ease-out),
    opacity 0.28s ease,
    visibility 0s linear 0.58s;
}

.immersive-modal::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 64%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(231, 123, 59, 0.78), transparent);
  box-shadow: 0 0 18px rgba(231, 123, 59, 0.22);
  content: "";
  opacity: 0;
  transform: translateX(-50%) scaleX(0.2);
  transition: opacity 0.42s ease 0.13s, transform 0.55s var(--hr-ease-out) 0.13s;
}

body.immersive-modal-open .immersive-modal {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, -50%) perspective(1200px) rotateX(0) scale(1);
  transition-delay: 0s;
}

body.immersive-modal-open .immersive-modal::before {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}

.immersive-modal__inner {
  position: relative;
  padding: 42px 42px 38px;
}

.immersive-modal__close {
  position: absolute;
  top: 18px;
  right: 18px;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--hr-muted);
  font-size: 1.45rem;
  line-height: 1;
  opacity: 0;
  transform: rotate(18deg) scale(0.88);
  transition:
    color 0.2s ease,
    background 0.2s ease,
    opacity 0.3s ease 0.18s,
    transform 0.45s var(--hr-ease-out) 0.18s;
}

body.immersive-modal-open .immersive-modal__close {
  opacity: 1;
  transform: rotate(0) scale(1);
}

.immersive-modal__close:hover {
  background: var(--hr-orange-soft);
  color: var(--hr-orange-strong);
}

.immersive-modal__kicker,
.immersive-modal__title,
.immersive-modal__copy,
.immersive-modal__action {
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.42s ease,
    transform 0.5s var(--hr-ease-out);
}

.immersive-modal__kicker {
  display: block;
  margin: 0 48px 10px 0;
  color: var(--hr-orange-strong);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.immersive-modal__title {
  max-width: 12ch;
  margin: 0 48px 0 0;
  color: var(--hr-ink);
  font-family: var(--hr-font-heading);
  font-size: clamp(2rem, 4vw, 2.65rem);
  font-weight: 500;
  line-height: 1.03;
  letter-spacing: -0.035em;
}

.immersive-modal__copy {
  max-width: 46ch;
  margin: 20px 0 0;
  color: var(--hr-muted);
  font-size: 0.96rem;
  line-height: 1.68;
}

.immersive-modal__action {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 25px;
  padding: 0 18px;
  border: 1px solid var(--hr-action-bg);
  border-radius: 999px;
  background: var(--hr-action-bg);
  box-shadow: 0 10px 24px rgba(173, 79, 24, 0.16);
  color: var(--hr-action-text);
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
}

.immersive-modal__action:hover {
  border-color: var(--hr-action-bg-hover);
  background: var(--hr-action-bg-hover);
}

body.immersive-modal-open .immersive-modal__kicker {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.13s;
}

body.immersive-modal-open .immersive-modal__title {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.17s;
}

body.immersive-modal-open .immersive-modal__copy {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.22s;
}

body.immersive-modal-open .immersive-modal__action {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.27s;
}

@media (max-width: 760px) {
  body.immersive-modal-open .site-shell {
    transform: scale(0.992);
  }

  .immersive-modal-backdrop {
    background: rgba(35, 30, 26, 0.3);
  }

  .immersive-modal {
    top: auto;
    right: 10px;
    bottom: calc(10px + env(safe-area-inset-bottom));
    left: 10px;
    width: auto;
    max-height: min(76vh, 620px);
    border-radius: 22px;
    transform: translateY(calc(100% + 28px)) scale(0.985);
    transform-origin: center bottom;
  }

  body.immersive-modal-open .immersive-modal {
    transform: translateY(0) scale(1);
  }

  .immersive-modal__inner {
    padding: 34px 24px 28px;
  }

  .immersive-modal__title {
    font-size: 2.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .immersive-modal,
  .immersive-modal-backdrop,
  .immersive-modal::before,
  .immersive-modal__close,
  .immersive-modal__kicker,
  .immersive-modal__title,
  .immersive-modal__copy,
  .immersive-modal__action {
    transition-duration: 0.01ms !important;
  }
}