:root {
  --color-primary: #123d82;
  --color-primary-dark: #0b2d63;
  --color-primary-deep: #0a1f4a;
  --color-secondary: #08a9e0;
  --color-secondary-dark: #068fbc;
  --color-text: #3f4a54;
  --color-heading: #172b4d;
  --color-muted: #6b7784;
  --color-white: #ffffff;
  --color-light: #f3f5f7;
  --color-light-alt: #e8eef4;
  --color-border: #dce3ea;
  --color-border-strong: #c5d0db;
  --color-success: #1a7a4c;
  --color-error: #c0392b;
  --color-whatsapp: #25d366;
  --color-overlay: rgba(18, 61, 130, 0.72);

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.25rem;
  --fs-hero: clamp(2.15rem, 4.6vw, 3.6rem);

  --lh-tight: 1.15;
  --lh-snug: 1.35;
  --lh-body: 1.65;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  --container-width: 1200px;
  --container-wide: 1280px;
  --gutter: 1.25rem;

  --header-h: 88px;
  --header-h-scrolled: 72px;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  --shadow-sm: 0 4px 15px rgba(18, 61, 130, 0.06);
  --shadow-md: 0 10px 30px rgba(18, 61, 130, 0.1);
  --shadow-lg: 0 18px 50px rgba(18, 61, 130, 0.14);
  --shadow-header: 0 8px 24px rgba(23, 43, 77, 0.08);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6.5rem;

  --section-y: clamp(4rem, 8vw, 6.5rem);

  --transition: 250ms ease;
  --transition-fast: 160ms ease;
  --z-header: 1000;
  --z-overlay: 1100;
  --z-modal: 1200;
  --z-whatsapp: 1300;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition: 0ms;
    --transition-fast: 0ms;
  }
}