@import url("https://fonts.googleapis.com/css2?family=Oxanium:wght@500;700&family=IBM+Plex+Mono:wght@400;600&display=swap");

:root {
  --bg: #070a12;
  --grid: rgba(90, 255, 198, 0.08);
  --glow: #5affc6;
  --glow-soft: rgba(90, 255, 198, 0.5);
  --ink: #d7fff2;
}

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

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: "Oxanium", sans-serif;
}

.stage {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 4rem 1.6rem;
  position: relative;
  overflow: hidden;
}

.gridlines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.6;
}

.cursor-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(120px 120px at var(--x, 50%) var(--y, 50%), rgba(90, 255, 198, 0.35), transparent 60%);
  mix-blend-mode: screen;
  pointer-events: none;
  transition: background 0.15s ease;
}

@media (pointer: coarse) {
  .cursor-glow {
    display: none;
  }
}

.shell {
  position: relative;
  z-index: 1;
  width: min(940px, 100%);
  display: grid;
  gap: 2.2rem;
  border-radius: 1.6rem;
  border: 1px solid rgba(90, 255, 198, 0.2);
  padding: 2.4rem;
  background: rgba(8, 16, 26, 0.82);
  box-shadow: 0 0 50px rgba(90, 255, 198, 0.12);
  backdrop-filter: blur(12px);
}

.title-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.title {
  font-size: clamp(2.8rem, 5vw, 5rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pulse {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  background: var(--glow);
  box-shadow: 0 0 0 0 var(--glow-soft);
  animation: pulse 2.6s ease-in-out infinite;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.1rem;
}

.tile {
  text-decoration: none;
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  padding: 1.2rem 1.4rem;
  border-radius: 0.8rem;
  border: 1px solid rgba(90, 255, 198, 0.3);
  background: rgba(7, 12, 22, 0.8);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(90, 255, 198, 0.3), transparent 55%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tile:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 30px rgba(90, 255, 198, 0.25);
  border-color: rgba(90, 255, 198, 0.6);
}

.tile:hover::after {
  opacity: 1;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(90, 255, 198, 0.5);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(90, 255, 198, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(90, 255, 198, 0);
  }
}