* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  height: 100vh;
  background: radial-gradient(circle at center, #0a0a0a 0%, #000000 100%);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

/* Glow effect */
.background-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: red;
  opacity: 0.15;
  filter: blur(120px);
  border-radius: 50%;
  z-index: 0;
}

/* Main container */
.container {
  text-align: center;
  z-index: 1;
}

/* Title */
.title {
  font-size: 64px;
  font-weight: bold;
  letter-spacing: 1px;
}

/* Tagline */
.tagline {
  margin-top: 15px;
  font-size: 18px;
  color: #94a3b8;
}

.tagline span {
  color: #ef4444;
  font-weight: 500;
}

/* Button */
button {
  margin-top: 30px;
  padding: 12px 28px;
  background-color: #ef4444;
  border: none;
  border-radius: 10px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s ease;
}

button:hover {
  background-color: #dc2626;
  transform: scale(1.05);
}

.auth-buttons {
  margin-top: 30px;
  text-align: center;
}

.auth-buttons button {
  margin: 10px;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  background: #ef4444;
  color: white;
  cursor: pointer;
}

.auth-buttons button:hover {
  background: #dc2626;
}