:root {
  --bg: #000;
  --text: #fff;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Center Text */
main {
  text-align: center;
  z-index: 2;
  animation: fadeIn 2s ease-in-out forwards;
}

h1 {
  font-size: 4rem;
  letter-spacing: 0.1em;
}

p {
  margin-top: 1rem;
  font-size: 1.2rem;
  opacity: 0.8;
}

.button {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.6rem 2rem;
  border: 1px solid var(--text);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}
.button:hover {
  background: var(--text);
  color: var(--bg);
}

/* Floating Polygons */
.background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.polygon {
  position: absolute;
  width: 120px;
  height: 120px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  animation: float 12s infinite ease-in-out;
  opacity: 0.2;
}

.polygon:nth-child(1) { top: 20%; left: 15%; }
.polygon:nth-child(2) { top: 60%; left: 70%; }
.polygon:nth-child(3) { top: 35%; left: 50%; }

.delay1 { animation-delay: 4s; }
.delay2 { animation-delay: 8s; }

/* Fuzz / Static Transition */
.fuzz-transition {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
}

.fuzz-transition.active {
  animation: fuzzOut 1.8s ease-in-out forwards;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.05) 0%,
    rgba(0,0,0,0.1) 1%
  );
  background-size: 100% 2px;
}

@keyframes fuzzOut {
  0% { opacity: 0; filter: contrast(100%) brightness(100%); }
  25% { opacity: 1; filter: contrast(300%) brightness(200%) hue-rotate(30deg); }
  50% { opacity: 1; filter: contrast(250%) brightness(150%) hue-rotate(-30deg); }
  75% { opacity: 1; filter: contrast(400%) brightness(200%) hue-rotate(15deg); }
  100% { opacity: 0; filter: contrast(100%) brightness(100%); }
}

/* Fade & Float Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(20deg); }
}