:root {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --color-bg: #f8fafc;
  --color-bg-subtle: #f1f5f9;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;

  --color-primary: #0f172a;
  --color-primary-hover: #1e293b;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-soft: #eff6ff;

  --color-success: #16a34a;
  --color-danger: #dc2626;
  --color-warning-bg: #fef2f2;
  --color-warning-border: #fecaca;
  --color-warning-text: #991b1b;

  --color-footer-bg: #0f172a;
  --color-footer-text: #94a3b8;
  --color-footer-link: #f8fafc;

  --color-whatsapp: #25d366;

  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 24px rgba(15, 23, 42, 0.1);

  --nav-height: 64px;
  --section-spacing: 3rem;
  --container-padding: 1.25rem;

  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
}