:root {
  /* Core brand colors */
  --color-navy: #0A1628;
  --color-gold: #C9A84C;
  --color-light-gold: #F5E6C3;
  --color-white: #FFFFFF;
  --color-bg-light: #F8F9FB;
  --color-text: #1A1A2E;
  --color-accent: #2563EB;

  /* Extended semantic palette */
  --color-success: #0D8A4A;
  --color-danger: #B42318;
  --color-warning: #B27A00;
  --color-muted: #6C757D;
  --color-border: #D9DEE8;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F2F4F8;

  /* Typography */
  --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --font-size-12: 0.75rem;
  --font-size-14: 0.875rem;
  --font-size-16: 1rem;
  --font-size-18: 1.125rem;
  --font-size-20: 1.25rem;
  --font-size-24: 1.5rem;
  --font-size-32: 2rem;
  --font-size-40: 2.5rem;
  --font-size-fluid-xl: clamp(2rem, 4vw, 3rem);

  --line-height-tight: 1.2;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.8;

  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --section-space-y: clamp(3rem, 6vw, 5rem);
  --section-space-y-sm: clamp(2rem, 4vw, 3rem);

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 6px 20px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 12px 28px rgba(10, 22, 40, 0.12);
  --shadow-lg: 0 18px 40px rgba(10, 22, 40, 0.16);

  /* Z index */
  --z-base: 1;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-offcanvas: 1045;
  --z-modal: 1055;
  --z-toast: 1080;
  --z-whatsapp: 1090;

  /* Motion */
  --transition-fast: 160ms ease;
  --transition-base: 240ms ease;
  --transition-slow: 360ms ease;

  /* Layout */
  --container-max-sm: 540px;
  --container-max-md: 720px;
  --container-max-lg: 960px;
  --container-max-xl: 1140px;
  --container-max-xxl: 1320px;

  /* Accessibility */
  --focus-ring-color: rgba(37, 99, 235, 0.42);
  --focus-ring: 0 0 0 0.2rem var(--focus-ring-color);

  /* Breakpoint reference (Bootstrap aligned)
     xs: <576px
     sm: >=576px
     md: >=768px
     lg: >=992px
     xl: >=1200px
     xxl: >=1400px
  */
}

@media (max-width: 575.98px) {
  :root {
    --font-size-fluid-xl: clamp(1.85rem, 7vw, 2.5rem);
  }
}