:root {
  --bg-base: #0d0d0d;
  --bg-overlay: #060606;
  --text-main: #f4f1ea;
  --text-soft: #d5d0c7;
  --btn-border: rgba(244, 241, 234, 0.32);
  --btn-bg: rgba(255, 255, 255, 0.02);
  --btn-bg-hover: rgba(255, 255, 255, 0.08);
  --timing-cinematic: 1.2s;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg-base);
  color: var(--text-main);
  overflow: hidden; /* Kein scrollbarer Startscreen */
  font-family: "Cormorant Garamond", "Georgia", "Times New Roman", serif;
}

.prolog-page {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.04), transparent 56%),
    linear-gradient(180deg, #121212 0%, var(--bg-base) 65%);
}

.prolog-page::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-overlay);
  opacity: 0;
  transition: opacity 900ms ease;
  pointer-events: none;
  z-index: 0;
}

.prolog-page.phase-ready::after {
  opacity: 0.35;
}

.prolog-page.exiting::after {
  opacity: 1;
  transition: opacity 800ms ease;
}

.prolog-scene {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.2rem, 3vw, 3rem);
}

.prolog-text {
  text-align: center;
  max-width: 38rem;
}

.line {
  margin: 0;
  opacity: 0;
  color: var(--text-soft);
  letter-spacing: 0.02em;
  line-height: 1.35;
  font-size: clamp(1.2rem, 2.4vw, 2rem);
  transform: translateY(10px);
  filter: blur(1.4px);
}

.line + .line {
  margin-top: clamp(0.5rem, 1.5vw, 1rem);
}

.line.show {
  animation: cinematicIn var(--timing-cinematic) ease forwards;
}

.line.dim {
  opacity: 0.22;
  filter: blur(0);
  transform: translateY(0);
  transition: opacity 500ms ease;
}

.entry-cta {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding: 0 1rem clamp(1.2rem, 4vw, 2.8rem);
}

.story-btn {
  opacity: 0;
  transform: translateY(18px);
  border: 1px solid var(--btn-border);
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--text-main);
  font: 500 clamp(0.95rem, 2vw, 1.08rem) "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  letter-spacing: 0.03em;
  line-height: 1;
  padding: 0.9rem 1.4rem;
  cursor: pointer;
  transition: background-color 280ms ease, border-color 280ms ease, opacity 500ms ease, transform 500ms ease;
  backdrop-filter: blur(2px);
}

.prolog-page.phase-ready .story-btn {
  opacity: 1;
  transform: translateY(0);
}

.story-btn:hover,
.story-btn:focus-visible {
  background: var(--btn-bg-hover);
  border-color: rgba(244, 241, 234, 0.6);
  outline: none;
}

.story-btn:active {
  transform: translateY(1px);
}

.panda-marker {
  position: absolute;
  top: clamp(0.85rem, 2.2vw, 1.4rem);
  left: clamp(0.9rem, 2.2vw, 1.6rem);
  opacity: 0.15;
  z-index: 2;
  pointer-events: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes cinematicIn {
  0% {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(1.4px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@media (max-width: 640px) {
  .line {
    letter-spacing: 0.01em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .line,
  .story-btn,
  .prolog-page::after {
    animation: none !important;
    transition: none !important;
  }

  .line {
    opacity: 1;
    transform: none;
    filter: none;
  }

  .story-btn {
    opacity: 1;
    transform: none;
  }
}