body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  font-family: "Trebuchet MS", Arial, sans-serif;
  background:
    radial-gradient(circle at 15% 18%, rgba(147, 197, 253, 0.45), transparent 35%),
    radial-gradient(circle at 82% 78%, rgba(191, 219, 254, 0.55), transparent 40%),
    linear-gradient(145deg, #ffffff 0%, #eaf2ff 55%, #dde7f8 100%);
  color: #1f3f74;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(255, 255, 255, 0.45), transparent 26%),
    repeating-linear-gradient(
      to bottom,
      rgba(148, 163, 184, 0.12) 0,
      rgba(148, 163, 184, 0.12) 1px,
      transparent 1px,
      transparent 4px
    );
}

.future-banner {
  position: fixed;
  left: 0;
  right: 0;
  top: 25%;
  transform: translateY(-50%);
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  white-space: nowrap;
  padding: 10px 16px;
  background: linear-gradient(
    to right,
    rgba(191, 219, 254, 0),
    rgba(191, 219, 254, 0.45) 22%,
    rgba(224, 242, 254, 0.6) 50%,
    rgba(191, 219, 254, 0.45) 78%,
    rgba(191, 219, 254, 0)
  );
  border-top: 1px solid rgba(125, 211, 252, 0.4);
  border-bottom: 1px solid rgba(125, 211, 252, 0.4);
  text-shadow:
    0 0 10px rgba(125, 211, 252, 0.6),
    0 0 24px rgba(56, 189, 248, 0.35);
}

.future-banner-track {
  display: flex;
  width: max-content;
  color: rgba(37, 99, 235, 0.82);
  font-size: clamp(18px, 3vw, 34px);
  letter-spacing: 4px;
  text-transform: uppercase;
  animation: bannerScroll 18s linear infinite;
}

.future-banner-track span {
  display: block;
  white-space: nowrap;
  padding-right: 3rem;
}

.future-banner-bottom {
  top: auto;
  bottom: 24%;
  transform: translateY(50%);
}

.future-banner-track-reverse {
  animation: bannerScrollReverse 18s linear infinite;
}

.home-label {
  position: fixed;
  top: 18px;
  left: 22px;
  z-index: 2;
  color: #2563eb;
  font-size: 20px;
  letter-spacing: 1px;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  transition: color 0.25s ease, transform 0.25s ease, text-shadow 0.25s ease;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.65) inset,
    0 6px 16px rgba(71, 85, 105, 0.18);
}

.home-label.hologram-pop {
  color: #7dd3fc;
  animation: hologramPop 550ms ease-out;
  text-shadow:
    0 0 10px rgba(186, 230, 253, 0.95),
    0 0 24px rgba(125, 211, 252, 0.9),
    0 0 44px rgba(56, 189, 248, 0.7);
}

.card {
  position: relative;
  z-index: 2;
  width: min(90vw, 760px);
  padding: 44px 36px;
  text-align: center;
  border-radius: 18px;
  border: 2px solid rgba(148, 163, 184, 0.55);
  background:
    linear-gradient(90deg, rgba(219, 234, 254, 0.92), rgba(241, 245, 249, 0.96) 40%, rgba(219, 234, 254, 0.92));
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.7) inset,
    0 0 0 8px rgba(148, 163, 184, 0.2) inset,
    0 18px 40px rgba(71, 85, 105, 0.28);
}

.card::before,
.card::after {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  height: 3px;
  background: linear-gradient(to right, transparent, #60a5fa, transparent);
}

.card::before {
  top: 16px;
}

.card::after {
  bottom: 16px;
}

h1 {
  margin: 0;
  color: #1d4ed8;
  font-size: clamp(18px, 3vw, 34px);
  letter-spacing: 2px;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.25s ease, transform 0.25s ease, text-shadow 0.25s ease;
  text-shadow:
    0 1px 0 #ffffff,
    0 0 18px rgba(96, 165, 250, 0.55);
}

h1.hologram-pop {
  color: #7dd3fc;
  animation: hologramPop 550ms ease-out;
  text-shadow:
    0 0 10px rgba(186, 230, 253, 0.95),
    0 0 24px rgba(125, 211, 252, 0.9),
    0 0 44px rgba(56, 189, 248, 0.7);
}

.music-player {
  position: fixed;
  right: 22px;
  bottom: 18px;
  z-index: 3;
  width: auto;
  padding: 8px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  background: rgba(255, 255, 255, 0.72);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.65) inset,
    0 6px 16px rgba(71, 85, 105, 0.18);
}

.track-select {
  display: flex;
  align-items: center;
  gap: 6px;
}

.track-button {
  color: #2563eb;
  font-size: 13px;
  letter-spacing: 0.7px;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
}

.track-button.active {
  color: #7dd3fc;
  border-color: rgba(125, 211, 252, 0.8);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.35);
}

.music-toggle {
  color: #2563eb;
  font-size: 18px;
  letter-spacing: 1px;
  padding: 8px 14px;
  border-radius: 10px;
  border: 0;
  background: transparent;
  cursor: pointer;
  transition: color 0.25s ease, transform 0.25s ease, text-shadow 0.25s ease;
}

.music-toggle.hologram-pop {
  color: #7dd3fc;
  animation: hologramPop 550ms ease-out;
  text-shadow:
    0 0 10px rgba(186, 230, 253, 0.95),
    0 0 24px rgba(125, 211, 252, 0.9),
    0 0 44px rgba(56, 189, 248, 0.7);
}

@keyframes hologramPop {
  0% {
    transform: scale(1);
    filter: brightness(1);
  }
  40% {
    transform: scale(1.08);
    filter: brightness(1.22);
  }
  100% {
    transform: scale(1);
    filter: brightness(1.05);
  }
}

@keyframes bannerScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes bannerScrollReverse {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}