:root {
  color-scheme: dark;
  --bg: #0B0B0C;
  --text: #EDECE7;
  --text-muted: #B9B8B2;
  --text-dim: #8B8A85;
  --text-faint: #5A5A57;
  --border: #1E1E20;
  --border-2: #2A2A2C;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
::selection { background: var(--accent); color: #0B0B0C; }

@keyframes phi-drift {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-14px); }
}

header a:hover { color: var(--accent); transition: color 0.25s ease; }
section a:hover { color: var(--accent); transition: color 0.25s ease; }
button:hover { color: var(--accent); border-color: var(--accent); transition: all 0.25s ease; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* Mobile Responsivo */
@media (max-width: 768px) {
  header { padding: 16px 20px; font-size: 12px; }
  header nav { gap: 12px; }
  header button { padding: 4px 8px; font-size: 11px; }
  
  section { padding: 80px 20px !important; }
  
  #index { padding: 80px 20px 60px !important; }
  #phi-deco { font-size: 40vw; right: 2vw; margin-top: -20vw; }
  
  .row { grid-template-columns: 1fr !important; }
  
  [style*="grid-template-columns: minmax"] { 
    grid-template-columns: 1fr !important; 
    gap: 32px !important;
  }
  
  [style*="display:grid; grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  #contact a[style*="grid-template-columns:120px"] {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
    padding: 20px 0 !important;
  }
}