:root {
  --color-primary: #d97706;
  --color-primary-dark: #92400e;
  --color-primary-darker: #78350f;
  --color-primary-light: #f59e0b;
  --color-primary-lighter: #fef3c7;
  --color-primary-lightest: #fffbeb;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-bg-darker: #0b1120;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-error: #ef4444;
  --color-success: #10b981;
  --color-focus: var(--color-primary);
  --color-overlay: rgba(15,23,42,0.6);

  --font-heading: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.5rem;
  --fs-5xl: 3.5rem;
  --fs-6xl: 4.5rem;

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

  --lh-tight: 1.1;
  --lh-snug: 1.25;
  --lh-normal: 1.5;
  --lh-relaxed: 1.625;

  --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-14: 3.5rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --container-max: 1200px;
  --container-padding: clamp(1rem, 4vw, 2rem);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.04);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.06);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.08);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.15);
  --shadow-primary: 0 8px 24px -6px rgb(217 119 6 / 0.3);
  --shadow-primary-hover: 0 12px 32px -8px rgb(217 119 6 / 0.4);

  --transition-fast: 200ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 500;
  --z-toast: 600;

  --header-height: 5rem;

  --gradient-primary: linear-gradient(135deg, #d97706 0%, #f59e0b 50%, #d97706 100%);
  --gradient-hero: linear-gradient(160deg, #0b1120 0%, #1a120b 40%, #2a1a0f 70%, #0b1120 100%);
  --gradient-hero-accent: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(217,119,6,0.2) 0%, transparent 70%);
  --gradient-card-hover: linear-gradient(135deg, rgba(217,119,6,0.04) 0%, transparent 60%);
  --gradient-overlay: linear-gradient(0deg, rgba(15,23,42,0.8) 0%, rgba(15,23,42,0.1) 60%, transparent 100%);

  --font-fluid-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  --font-fluid-sm: clamp(0.875rem, 0.82rem + 0.2vw, 1rem);
  --font-fluid-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-fluid-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.375rem);
  --font-fluid-xl: clamp(1.25rem, 1.1rem + 0.5vw, 1.75rem);
  --font-fluid-2xl: clamp(1.5rem, 1.2rem + 0.8vw, 2.25rem);
  --font-fluid-3xl: clamp(2rem, 1.5rem + 1.5vw, 3.5rem);
  --font-fluid-4xl: clamp(2.5rem, 1.8rem + 2.5vw, 5rem);
}

html.dark {
  --color-bg: #0f172a;
  --color-bg-alt: #1e293b;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-border: #334155;
  --color-border-light: #1e293b;
  --color-primary-lighter: rgba(217,119,6,0.12);
  --color-primary-lightest: rgba(217,119,6,0.08);
  --color-overlay: rgba(0,0,0,0.7);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not(.light) {
    --color-bg: #0f172a;
    --color-bg-alt: #1e293b;
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-border: #334155;
    --color-border-light: #1e293b;
    --color-primary-lighter: rgba(217,119,6,0.12);
    --color-primary-lightest: rgba(217,119,6,0.08);
    --color-overlay: rgba(0,0,0,0.7);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5);
  }
}

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