* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  background: #1e1e1e;
  color: #fff;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.container {
  max-width: 1000px;
  width: 100%;
  text-align: center;
}

.triangle-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 20px auto;
}

.row {
  display: flex;
  justify-content: center;
}

.cell {
  width: 50px;
  height: 50px;
  background: rgba(40, 40, 40, .75);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1rem;
  font-weight: bold;
  line-height: 1;
  padding-top: 10px;
  color: #e0e0e0;
  position: relative;
  overflow: hidden;
  transition: all .3s ease;
  clip-path: polygon(50% 0, 0 100%, 100% 100%, 50% 0);
  -webkit-clip-path: polygon(50% 0, 0 100%, 100% 100%, 50% 0);
  animation: pulse 4s infinite;
  animation-delay: calc(var(--cell-index) * .2s);
  --cell-index: 0;
}

.cell:nth-child(1) { --cell-index: 1; }
.cell:nth-child(2) { --cell-index: 2; }
.cell:nth-child(3) { --cell-index: 3; }
.cell:nth-child(4) { --cell-index: 4; }
.cell:nth-child(5) { --cell-index: 5; }
.cell:nth-child(6) { --cell-index: 6; }

.cell::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, .1), transparent);
  transform: translateX(-100%);
  animation: shimmer 3s infinite;
}

.row:nth-child(2) .cell { animation-delay: calc(var(--cell-index) * 0.2s + 0.5s); }
.row:nth-child(3) .cell { animation-delay: calc(var(--cell-index) * 0.2s + 1s); }
.row:nth-child(4) .cell { animation-delay: calc(var(--cell-index) * 0.2s + 1.5s); }
.row:nth-child(5) .cell { animation-delay: calc(var(--cell-index) * 0.2s + 2s); }
.row:nth-child(6) .cell { animation-delay: calc(var(--cell-index) * 0.2s + 2.5s); }

.title {
  font-size: 2rem;
  margin-bottom: 10px;
  background: linear-gradient(90deg, #bb86fc, #cf6679);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
  font-size: 1.2rem;
  color: #e0e0e0;
  margin-bottom: 20px;
}

@keyframes pulse {
  0%, 100% { 
    background: rgba(207, 102, 121, .75);
    transform: scale(1);
  }
  50% { 
    background: rgba(187, 134, 252, .75);
    transform: scale(1.05);
  }
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

@media (min-width: 768px) {
  .cell {
    width: 70px;
    height: 70px;
    font-size: 1.25rem;
  }
  
  .title {
    font-size: 2.8rem;
  }
}