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

:root {
  --white: #ffffff;
  --gray-100: #f0f0f0;
  --gray-400: #8a8a8a;
  --gray-600: #4a4a4a;
  --gray-900: #0a0a0a;
  --black: #000000;
  --accent: rgba(255, 255, 255, 0.9);
}

html, body {
  height: 100%;
}

body {
  background: var(--black);
  color: var(--white);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  overflow: hidden;
  position: relative;
}

/* Subtle film grain */
.grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Ambient glow effects */
.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 8s ease-in-out infinite;
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(200, 210, 255, 0.03) 0%, transparent 70%);
  top: 40%;
  left: 55%;
  transform: translate(-50%, -50%);
  animation: pulse 12s ease-in-out infinite reverse;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.1); }
}

/* Layout */
main {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  padding: 2rem;
  text-align: center;
  gap: 2rem;
}

/* Logo */
.logo-container {
  animation: fadeInUp 1s ease-out;
}

.logo {
  width: 600px;
  height: auto;
  transition: filter 0.4s ease;
}

.logo:hover {
  filter: drop-shadow(0 0 60px rgba(255, 255, 255, 0.15));
}

/* Content */
.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.03);
}

.tagline {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--gray-400);
  font-weight: 300;
  max-width: 480px;
  letter-spacing: 0.01em;
}

/* CTA */
.cta {
  animation: fadeInUp 1s ease-out 0.4s both;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: var(--white);
  color: var(--black);
  text-decoration: none;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.button:hover {
  background: var(--gray-100);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.1);
}

.button:active {
  transform: translateY(0);
}

.button svg {
  transition: transform 0.3s ease;
}

.button:hover svg {
  transform: translateX(3px);
}

/* Footer */
footer {
  position: absolute;
  bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.6s both;
}

footer p {
  font-size: 0.75rem;
  color: var(--gray-600);
  letter-spacing: 0.05em;
}

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

/* Responsive */
@media (max-width: 640px) {
  .logo {
    width: 160px;
  }

  .tagline {
    font-size: 1rem;
  }

  main {
    gap: 1.5rem;
    padding: 1.5rem;
  }
}