body {
  margin: 0;
  background-color: #0a0a0a;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  overflow-x: hidden;
}

.top-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 0;
}

.top-bar::before,
.top-bar::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: white;
}

.top-logo {
  height: 50px;
  margin: 0 30px;
}

.github-fixed {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.github-icon {
  width: 28px;
  height: 28px;
  fill: white;
  transition: opacity 0.3s;
}

.github-fixed:hover .github-icon {
  opacity: 0.7;
}

.main-flex {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: flex-end;
  align-items: center;
  width: 100%;
  margin-top: 50px;
}

.phone-controls-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  flex-grow: 1;
  width: 100%;
}

.reboot-image {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin: 110px 0px 30px 0px;
}

.reboot-shine-wrapper {
  position: relative;
  width: 550px;
  max-width: 90vw;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.reboot-logo {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 2s ease, transform 2s ease;
}

.reboot-logo.fade-in {
  opacity: 1;
  transform: scale(1);
}

.reboot-shine-wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  transform: skewX(-20deg);
  pointer-events: none;
  z-index: 2;
  opacity: 0;
}

.reboot-shine-wrapper.start-shine::after {
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(0, 140, 255, 0.3) 50%,
    transparent 100%
  );
  opacity: 1;
  animation: shine-sweep 1.5s ease-in-out 1 forwards;
}

.scroll-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 0;
  height: 60px;
  overflow: hidden;
}

.arrow-line {
  width: 4px;
  height: 40px;
  background-color: white;
  transform: translateY(-100%);
  animation: drop-line 1s ease-out 1.2s forwards;
}

.arrow-tip {
  width: 0;
  height: 0;
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-top: 14px solid white;
  clip-path: inset(0 0 100% 0);
  animation: unmask-tip 0.6s ease-out 2.2s forwards;
  margin-top: -2px;
}

.start-bounce {
  animation: bounce-pair 1.4s ease-in-out infinite;
}

.phone-wrapper {
  position: relative;
  width: 320px;
  aspect-ratio: 9 / 18;
  transition: transform 2.5s ease, opacity 2.5s ease;
  transform: translateX(-100vw) rotateY(0deg);
  opacity: 0;
  margin-bottom: -10px;
}

.phone-wrapper.animate-in {
  transform: translateX(0) rotateY(360deg);
  opacity: 1;
}

.phone-wrapper.animate-out {
  transform: translateX(-100vw) rotateY(0deg);
  opacity: 0;
  transition: transform 1s ease, opacity 1s ease;
}

.video-behind {
  position: absolute;
  top: 6.2%;
  left: 5%;
  width: 90%;
  height: 88.5%;
  border-radius: 32px;
  overflow: hidden;
  z-index: 1;
  background-color: black;
}

.video-behind video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 32px;
}

.phone-overlay {
  position: relative;
  width: 100%;
  height: 97%;
  z-index: 2;
  pointer-events: none;
  display: block;
}

.controls {
  border-radius: 14px;
  padding: 0px 14px;
  width: 90%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: -30px;
  margin-bottom: 30px;
  opacity: 0;
  transform: translateY(-30px);
  transition: transform 0.8s ease, opacity 0.8s ease;
  pointer-events: none;
}

.controls.controls-in {
  opacity: 1;
  transform: translateY(20px);
  pointer-events: auto;
}

.controls.controls-out {
  opacity: 0;
  transform: translateY(-30px);
  pointer-events: none;
}

.controls input[type="range"] {
  width: 100%;
  appearance: none;
  height: 6px;
  background: #ccc;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.controls input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  background: #0d5ac2;
  border-radius: 50%;
  cursor: pointer;
}

.button-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  width: 100%;
  position: relative;
}

.controls button {
  background: none;
  border: none;
  color: white;
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px;
}

#remainingTime {
  position: absolute;
  right: 0;
  color: white;
  font-size: 14px;
  min-width: 40px;
  text-align: right;
}

@media (max-width: 600px) {
  .top-logo {
    height: 40px;
    margin: 0 15px;
  }

  .reboot-shine-wrapper {
    width: 80%;
  }

  .phone-wrapper {
    width: 90vw;
  }

  .controls {
    max-width: 90vw;
    padding: 8px;
    gap: 8px;
  }

  .controls button {
    font-size: 20px;
  }

  #remainingTime {
    font-size: 12px;
  }
}

/* animations */
@keyframes shine-sweep {
  0% {
    left: -100%;
    opacity: 1;
  }
  100% {
    left: 100%;
    opacity: 0;
  }
}

@keyframes drop-line {
  to {
    transform: translateY(0);
  }
}

@keyframes unmask-tip {
  from {
    clip-path: inset(0 0 100% 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

@keyframes bounce-pair {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(10px);
  }
}