/* Sponsor-Container */
#sponsor-video-container {
  position: fixed;
  top: 4.8rem;
  left: calc(800px + 3.5rem);
  width: 40vw;
  height: calc(100% - 15.5rem);
  z-index: 99;
  opacity: 0;
  box-shadow: 0px 0px 0px rgba(0, 0, 0, 0.2);
  animation: sponsorFadeIn 2s ease-in-out forwards;
}

#sponsor-video-container.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Video / Bild */
#sponsor-video,
#sponsor-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Text-Overlay */
.sponsor-overlay-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -90%);
  font-family: Arial, sans-serif;
  font-weight: bold;
  text-transform: uppercase;
  font-size: 3.8rem;
  line-height: 3.2rem;
  letter-spacing: -1px;
  color: white;
  text-align: left;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  pointer-events: none;
  padding: 2rem 2rem 1.5rem 2rem;
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  border-radius: 0;
  box-sizing: border-box;
  opacity: 0;
}

.sponsor-overlay-text.animate-border {
  animation: fadeInText 0.8s ease 1s forwards;
}

.sponsor-overlay-text span.kln {
  display: block;
  font-weight: bold;
  text-transform: uppercase;
  font-size: 1.4rem;
  line-height: 1.6rem;
  letter-spacing: 1px;
}

/* Linien */
.sponsor-overlay-text::before,
.sponsor-overlay-text::after,
.sponsor-overlay-text .line-right,
.sponsor-overlay-text .line-bottom {
  content: '';
  position: absolute;
  background: white;
  pointer-events: none;
  z-index: 0;
  transform: scaleX(0);
  transform-origin: left;
  display: block;
  will-change: transform;
}

/* Obenlinie (scaleX von links nach rechts) */
.sponsor-overlay-text.animate-border::before {
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  transform-origin: left;
  animation: drawLineX 0.5s linear 1.2s forwards;
}

/* Rechtslinie (scaleY von oben nach unten) */
.sponsor-overlay-text.animate-border .line-right {
  top: 0;
  right: 0;
  width: 2px;
  height: 100%;
  transform-origin: top;
  animation: drawLineY 0.5s linear 1.7s forwards;
}

/* Untenlinie (scaleX von rechts nach links) */
.sponsor-overlay-text.animate-border::after {
  bottom: 0;
  right: 0;
  height: 2px;
  width: 100%;
  transform-origin: right;
  animation: drawLineXRev 0.5s linear 2.2s forwards;
}

/* Linkslinie (scaleY von unten nach oben) */
.sponsor-overlay-text.animate-border .line-bottom {
  bottom: 0;
  left: 0;
  width: 2px;
  height: 100%;
  transform-origin: bottom;
  animation: drawLineYRev 0.5s linear 2.7s forwards;
}

/* Sicherstellen, dass Text über Linien liegt */
.sponsor-overlay-text > * {
  position: relative;
  z-index: 1;
}

/* Animationen */
@keyframes sponsorFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInText {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes drawLineX {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes drawLineXRev {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes drawLineY {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@keyframes drawLineYRev {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}