:root {
  --bg: #0a0a1a;
  --text-light: rgba(255, 255, 255, 0.75);
  --text-bright: rgba(255, 255, 255, 0.9);
  --glow-white: rgba(255, 255, 255, 0.3);
  --gradient-1: #ff0080;
  --gradient-2: #ff8c00;
  --gradient-3: #ffe600;
  --gradient-4: #00e676;
  --gradient-5: #00b0ff;
  --gradient-6: #7c4dff;
}

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

body {
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font-family: 'Segoe UI', sans-serif;
}

.app-wrapper {
  min-height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.rainbow-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero {
  position: relative;
  z-index: 10;
  text-align: center;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

h1 {
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(
    90deg,
    var(--gradient-1),
    var(--gradient-2),
    var(--gradient-3),
    var(--gradient-4),
    var(--gradient-5),
    var(--gradient-6),
    var(--gradient-1)
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shine 3s linear infinite;
  text-shadow: none;
}

@keyframes shine {
  to { background-position: 200% center; }
}

.sub {
  margin-top: 1rem;
  font-size: clamp(1rem, 3vw, 1.5rem);
  color: var(--text-light);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.tagline {
  margin-top: 1.2rem;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--text-bright);
  letter-spacing: 0.05em;
  font-weight: 500;
  text-shadow: 0 0 20px var(--glow-white);
}

.emojis {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-top: 1.5rem;
  letter-spacing: 0.15em;
  animation: wiggle 1.5s ease-in-out infinite;
}

@keyframes wiggle {
  0%, 100% { transform: rotate(-3deg); }
  50% { transform: rotate(3deg); }
}