/* BS Solutions – Hero / Intro-Film */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: #000; overflow: hidden; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color: #fff; }

.stage { position: fixed; inset: 0; overflow: hidden; background: #000; }

/* ---------- Endbild ---------- */
.hero-image {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  opacity: 0; transform: scale(1.08); filter: blur(12px);
  /* beim Neustart erst ausblenden, wenn der Film es wieder verdeckt */
  transition: opacity 0s linear 1.3s, transform 0s linear 1.3s, filter 0s linear 1.3s;
}
.stage.revealed .hero-image {
  opacity: 1; transform: scale(1); filter: blur(0);
  transition: opacity 2.2s ease .5s, filter 2.4s ease .5s, transform 4s cubic-bezier(.16,1,.3,1) .5s;
}

/* ---------- Film ---------- */
.film { position: absolute; inset: 0; z-index: 2; transition: opacity 1.2s ease, transform 1.2s ease, filter 1.2s ease; }
.clip {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 1s ease;
}
.clip.is-active { opacity: 1; }
.stage.revealed .film {
  opacity: 0; transform: scale(1.04); filter: blur(10px);
  transition: opacity 2.2s ease, transform 2.6s ease, filter 2s ease;
  pointer-events: none;
}

/* ---------- Film-Look ---------- */
.clip { filter: contrast(1.14) saturate(1.18) sepia(.06) brightness(.97); }
.clip.is-active { animation: weave 1.6s steps(1) infinite; }
@keyframes weave {            /* minimales Bildstand-Zittern wie beim Projektor */
  0%   { transform: scale(1.012) translate(0, 0); }
  12%  { transform: scale(1.012) translate(-1px, 1px); }
  25%  { transform: scale(1.012) translate(1px, 0); }
  37%  { transform: scale(1.012) translate(0, -1px); }
  50%  { transform: scale(1.012) translate(1px, 1px); }
  62%  { transform: scale(1.012) translate(-1px, 0); }
  75%  { transform: scale(1.012) translate(0, 1px); }
  87%  { transform: scale(1.012) translate(1px, -1px); }
}
.fx { position: absolute; pointer-events: none; }

/* Filmkorn: Rausch-Kachel (per JS erzeugt), springt 24×/s */
.grain {
  inset: -50%; width: 200%; height: 200%;
  background-repeat: repeat; background-size: 270px 270px; image-rendering: pixelated;
  mix-blend-mode: overlay; opacity: .3;
  animation: grain .5s steps(12) infinite;
}
@keyframes grain {
  0%   { transform: translate(0, 0); }       8%  { transform: translate(-6%, 4%); }
  17%  { transform: translate(5%, -7%); }    25% { transform: translate(-9%, -3%); }
  33%  { transform: translate(7%, 8%); }     42% { transform: translate(-3%, 9%); }
  50%  { transform: translate(10%, -2%); }   58% { transform: translate(-8%, 6%); }
  67%  { transform: translate(3%, -9%); }    75% { transform: translate(-5%, -6%); }
  83%  { transform: translate(8%, 3%); }     92% { transform: translate(-2%, -8%); }
}

/* Kratzer: dünne helle Linien, die sporadisch aufblitzen */
.scratches { inset: 0; overflow: hidden; }
.scratches::before, .scratches::after {
  content: ""; position: absolute; top: -5%; height: 110%; width: 1px;
  background: linear-gradient(transparent, rgba(255,255,255,.55) 20%, rgba(255,255,255,.25) 70%, transparent);
  opacity: 0;
}
.scratches::before { animation: scratchA 4.3s steps(1) infinite; }
.scratches::after  { width: 2px; background: linear-gradient(transparent, rgba(0,0,0,.45) 30%, transparent); animation: scratchB 6.7s steps(1) infinite; }
@keyframes scratchA {
  0% { left: 22%; opacity: 0; } 18% { left: 23%; opacity: .8; } 20% { left: 71%; opacity: .5; }
  22% { opacity: 0; } 61% { left: 48%; opacity: .7; } 63% { left: 48.4%; opacity: .4; } 65% { opacity: 0; }
}
@keyframes scratchB {
  0% { left: 80%; opacity: 0; } 34% { left: 12%; opacity: .7; } 36% { left: 12.3%; opacity: .5; }
  39% { opacity: 0; } 82% { left: 63%; opacity: .6; } 84% { opacity: 0; }
}

/* Helligkeits-Flackern */
.flicker { inset: 0; background: #000; opacity: 0; animation: flicker 2.2s steps(1) infinite; }
@keyframes flicker {
  0% { opacity: .04; } 9% { opacity: 0; } 21% { opacity: .07; } 24% { opacity: .01; }
  47% { opacity: .05; } 52% { opacity: 0; } 70% { opacity: .08; } 73% { opacity: .02; } 91% { opacity: .05; }
}

.vignette { inset: 0; background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,.55) 100%); }

/* Pixel-Glitch: niedrig aufgelöstes Videobild, hart hochskaliert */
.pixel-fx {
  position: absolute; inset: 0; width: 100%; height: 100%;
  image-rendering: pixelated; image-rendering: crisp-edges;
  opacity: 0; pointer-events: none;
  filter: contrast(1.14) saturate(1.25);
}
.pixel-fx.on { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .clip.is-active, .grain, .scratches::before, .scratches::after, .flicker { animation: none; }
}

/* weicher Lichtschleier, der kurz durchs Bild zieht */
.veil {
  position: absolute; inset: 0; z-index: 3; pointer-events: none; opacity: 0;
  background: radial-gradient(ellipse at 50% 45%, rgba(255,255,255,.55), rgba(26,136,207,.18) 55%, transparent 80%);
}
.stage.revealed .veil { animation: veil 3s ease-in-out forwards; }
@keyframes veil { 0% { opacity: 0; } 40% { opacity: 1; } 100% { opacity: 0; } }

/* ---------- Logo-Leiste ---------- */
.logo-bar {
  position: absolute; top: clamp(14px, 3vh, 32px); right: clamp(14px, 3vw, 48px); z-index: 10;
  display: flex; gap: clamp(10px, 1.6vw, 22px); align-items: center;
  visibility: hidden;
}
.stage.logos-in .logo-bar { visibility: visible; }
.logo-chip {
  display: flex; align-items: center; justify-content: center;
  height: clamp(54px, 7vh, 78px); padding: 8px clamp(14px, 1.5vw, 22px);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(10px) saturate(1.4); -webkit-backdrop-filter: blur(10px) saturate(1.4);
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 16px;
  box-shadow: 0 18px 40px -18px rgba(5,25,45,.7);
  opacity: 0;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.logo-chip img { height: 100%; width: auto; display: block; }
.logo-chip:hover, .logo-chip:focus-visible {
  transform: translateY(-3px) scale(1.04);
  background: #fff;
  box-shadow: 0 24px 50px -16px rgba(5,25,45,.8), 0 0 0 3px rgba(26,136,207,.55);
  outline: none;
}
.stage.logos-in .logo-chip { animation: glideIn 1.2s cubic-bezier(.22,1,.36,1) both; }
.stage.logos-in .logo-chip:nth-child(2) { animation-delay: .2s; }
@keyframes glideIn {
  from { opacity: 0; transform: translateY(-28px); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: blur(0); }
}
/* nach der Animation: Hover-Transition wieder aktiv */
.stage.final .logo-chip { animation: none; opacity: 1; }

/* ---------- Steuerung ---------- */
.ctrl {
  font: inherit; font-size: .9rem; font-weight: 600; color: #fff; cursor: pointer;
  padding: .55em 1.1em; border-radius: 999px;
  background: rgba(10,30,50,.45); border: 1px solid rgba(255,255,255,.35);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: background .2s;
}
.ctrl:hover, .ctrl:focus-visible { background: rgba(10,30,50,.75); outline: none; }
.film-controls {
  position: absolute; right: 24px; bottom: 58px; z-index: 8; display: flex; gap: 10px;
  transition: opacity .4s;
}
/* während des Hero-Videos bleibt nur der Ton-Button sichtbar */
.stage.revealed #skipBtn { display: none; }

.progress { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: rgba(255,255,255,.15); z-index: 8; }
.progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #0e5a8a, #1a88cf, #7cc4f5); }
.stage.revealed .progress { opacity: 0; transition: opacity .3s; }

.start-btn {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 9;
  font: inherit; font-size: 1.2rem; font-weight: 700; color: #fff; cursor: pointer;
  padding: 1em 2em; border-radius: 999px; border: 0;
  background: linear-gradient(135deg, #0e5a8a, #1a88cf);
  box-shadow: 0 20px 50px -15px rgba(26,136,207,.9);
}

.end-ui {
  position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); z-index: 8;
  opacity: 0; pointer-events: none; transition: opacity .8s ease .6s;
}
.stage.final .end-ui { opacity: 1; pointer-events: auto; }
.stage:not(.revealed) #replayBtn { opacity: 0; pointer-events: none; transition: opacity .4s; }

/* Fußleiste: KI-Hinweis + Impressum/Datenschutz – jederzeit sichtbar */
.footer-bar {
  position: absolute; left: 24px; right: 24px; bottom: 18px; z-index: 8;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: .8rem; pointer-events: none;
}
.footer-bar > * { pointer-events: auto; }
.ai-label {
  margin: 0; padding: .35em .8em; border-radius: 999px;
  color: rgba(255,255,255,.92); background: rgba(10,30,50,.45);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.legal-links { display: flex; gap: 18px; }
.legal-links a { color: rgba(255,255,255,.9); text-decoration: none; text-shadow: 0 1px 6px rgba(0,0,0,.7); }
.legal-links a:hover, .legal-links a:focus-visible { text-decoration: underline; }
.ctrl.pulse { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(26,136,207,.7); } 50% { box-shadow: 0 0 0 10px rgba(26,136,207,0); } }

/* ---------- Mobil ---------- */
@media (max-aspect-ratio: 1/1) {
  .hero-image { object-position: 18% center; }
  .logo-bar { left: 50%; right: auto; transform: translateX(-50%); top: auto; bottom: 130px; flex-direction: column; }
  .logo-chip { height: 64px; }
  .footer-bar { left: 12px; right: 12px; bottom: 12px; flex-direction: column; gap: 6px; font-size: .72rem; }
  .ai-label { text-align: center; }
  .film-controls { left: 16px; right: 16px; bottom: 76px; justify-content: center; }
  .end-ui { bottom: 124px; }
  .logo-bar { bottom: 176px; }
}