/* Reset & Base Variables */
:root {
  --color-bg: #07090e;
  --color-fg: #f3f4f6;
  --color-muted: #8e9cae;
  --color-green-primary: #10b981;
  --color-green-glow: rgba(16, 185, 129, 0.15);
  
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --grid-color: rgba(16, 185, 129, 0.03);
}

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

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  overflow: hidden;
  position: relative;
}

/* Background Grid and Lights (Interactive Canvas) */

.glow-head {
  position: absolute;
  width: 600px;
  height: 600px;
  top: -300px;
  left: -300px;
  border-radius: 50%;
  background: radial-gradient(
    circle, 
    var(--color-green-glow) 0%, 
    rgba(16, 185, 129, 0.03) 30%, 
    rgba(16, 185, 129, 0) 70%
  );
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}

#glow-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Layout Components */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 3rem;
  z-index: 10;
}

.header-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.05em;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-green-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-green-primary);
  animation: pulse-glow 2s infinite alternate;
}

.status-text {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.main-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 2;
  padding: 1rem;
}

.hero-content {
  text-align: center;
}

/* Centered Massive Text */
.brand-title {
  font-family: var(--font-display);
  font-size: clamp(6rem, 20vw, 15rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.06em;
  background: linear-gradient(135deg, #059669 0%, #10b981 40%, #34d399 70%, #a7f3d0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  
  /* Delicate visual depth glow */
  filter: drop-shadow(0 0 30px rgba(16, 185, 129, 0.15));
  
  /* Load Animation */
  opacity: 0;
  animation: reveal-title 1.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.brand-subtitle {
  font-size: clamp(0.875rem, 2vw, 1.25rem);
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 1.5rem;
  opacity: 0;
  animation: reveal-subtitle 1.6s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  text-align: center;
  z-index: 10;
}

.footer-text {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.05em;
}

/* Keyframes and Animations */
@keyframes reveal-title {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.96);
    filter: blur(10px) drop-shadow(0 0 0 rgba(16, 185, 129, 0));
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0) drop-shadow(0 0 30px rgba(16, 185, 129, 0.15));
  }
}

@keyframes reveal-subtitle {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 0.6;
    transform: translateY(0);
  }
}

@keyframes pulse-glow {
  0% {
    opacity: 0.4;
    box-shadow: 0 0 4px var(--color-green-primary);
  }
  100% {
    opacity: 1;
    box-shadow: 0 0 12px var(--color-green-primary);
  }
}

/* Mobile Responsiveness tweaks */
@media (max-width: 640px) {
  .header {
    padding: 1.5rem;
  }
  .brand-subtitle {
    letter-spacing: 0.2em;
  }
}

/* Reduced Motion preference */
@media (prefers-reduced-motion: reduce) {
  .brand-title, .brand-subtitle, .status-dot {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
  .ambient-glow {
    transition: none !important;
  }
}