body {
  margin: 0;
  padding: 0;
  background: #0a0a0a;
  color: #e2e2e2;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  text-align: center;
}
.logo {
  width: 200px;
  height: 200px;
  background: radial-gradient(#1a1a1a, #111);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  position: relative;
  margin-bottom: 2rem;
  box-shadow: 0 0 25px rgba(255, 0, 0, 0.5), inset 0 0 10px rgba(255,0,0,0.3);
  transition: transform 2s ease;
}
.logo:hover {
  transform: rotate(180deg);
}
.logo::after {
  content: '';
  position: absolute;
  top: 35%;
  left: 50%;
  width: 24px;
  height: 24px;
  background: #ff0000;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: blink 2s infinite;
  box-shadow: 0 0 10px #ff0000, 0 0 30px #ff0000;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}
.tagline {
  font-size: 1.4rem;
  color: #bbb;
  opacity: 0.85;
}