html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background-color: #0e0e0e;
  color: #fefefe;
  font-family: 'Helvetica Neue', Helvetica, sans-serif;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-x: hidden;
  position: relative;
}

.background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    90deg,
    #000 0px,
    #000 10px,
    #181818 10px,
    #181818 20px
  );
  animation: treadmill 6s linear infinite;
  z-index: 0;
}

h3 {
  margin: 0;
  padding: 0;
}

@keyframes treadmill {
  from { background-position: 0 0; }
  to { background-position: 500px 0; }
}

header {
  position: relative;
  padding: 1rem 2vw ;
  font-size: 7vw;
  font-weight: 900;
  color: #f9ed69;
  line-height: 1;
  letter-spacing: 0.03em;
  z-index: 2;
}

.bpm-indicator {
  position: fixed;
  top: 3rem;
  right: 5vw;
  text-align: right;
  color: #f9ed69;
  font-weight: 700;
  letter-spacing: 0.05em;
  z-index: 3;
}

.bpm-indicator .label {
  font-size: 0.9rem;
  color: #999;
}

.bpm-indicator .number {
  display: block;
  font-size: 2.5rem;
  line-height: 1;
}

.bpm-indicator .pulse {
  width: 15px;
  height: 15px;
  background-color: #f9ed69;
  border-radius: 50%;
  margin-top: 0.5rem;
  margin-left: auto;
  animation: pulse 1s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(.5);
    opacity: 1;
  }
}


.collection {
  position: relative;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
  padding: 0 5vw;
  z-index: 2;
}

.line-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1.2rem;
  border-top: 2px solid #f9ed69;
  border-bottom: 2px solid #f9ed69;
  text-decoration: none;
  color: #fff;
  background: transparent;
  transition: all 0.3s ease;
}

.line-item:hover {
  background: #f9ed69;
  color: #000;
  transform: scale(1.01);
}

.info {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: 1.05rem;
}

.date {
  color: inherit;
  font-weight: 400;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.title {
  font-weight: 700;
  letter-spacing: 0.05em;
}

footer {
  position: relative;
  padding: 1rem 5vw;
  color: #666;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-align: right;
  z-index: 2;
}