/* ============================================
   AUHMS Marketing Site — Design Tokens
   Brand-aligned with admin dashboard, extended
   for marketing typography and spacing.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* ---- Brand / Primary (Indigo) ---- */
  --color-primary: #4F46E5;
  --color-primary-hover: #4338CA;
  --color-primary-active: #3730A3;
  --color-primary-light: #6366F1;
  --color-primary-subtle: #E0E7FF;
  --color-primary-bg: #EEF2FF;
  --color-primary-rgb: 79, 70, 229;

  /* ---- Accent / Blue ---- */
  --color-accent: #3B82F6;
  --color-accent-hover: #2563EB;
  --color-accent-light: #60A5FA;
  --color-accent-subtle: #DBEAFE;
  --color-accent-bg: #EFF6FF;

  /* ---- Success / Green ---- */
  --color-success: #10B981;
  --color-success-hover: #059669;
  --color-success-light: #34D399;
  --color-success-subtle: #D1FAE5;
  --color-success-bg: #ECFDF5;
  --color-success-rgb: 16, 185, 129;

  /* ---- Danger / Red ---- */
  --color-danger: #EF4444;
  --color-danger-hover: #DC2626;
  --color-danger-light: #F87171;
  --color-danger-subtle: #FEE2E2;
  --color-danger-bg: #FEF2F2;
  --color-danger-rgb: 239, 68, 68;

  /* ---- Warning / Amber ---- */
  --color-warning: #F59E0B;
  --color-warning-hover: #D97706;
  --color-warning-light: #FBBF24;
  --color-warning-subtle: #FEF3C7;
  --color-warning-bg: #FFFBEB;
  --color-warning-rgb: 245, 158, 11;

  /* ---- Info / Cyan ---- */
  --color-info: #06B6D4;
  --color-info-hover: #0891B2;
  --color-info-light: #22D3EE;
  --color-info-subtle: #CFFAFE;
  --color-info-bg: #ECFEFF;
  --color-info-rgb: 6, 182, 212;

  /* ---- Gray Scale ---- */
  --gray-25: #FCFCFD;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  --gray-950: #020617;

  /* ---- Marketing Semantic Colors ---- */
  --bg-site: #FFFFFF;
  --bg-section-alt: var(--gray-50);
  --bg-section-dark: var(--gray-900);
  --bg-card: #FFFFFF;
  --bg-card-hover: var(--gray-50);
  --bg-input: #FFFFFF;
  --bg-overlay: rgba(15, 23, 42, 0.6);

  --border-default: var(--gray-200);
  --border-light: var(--gray-100);
  --border-strong: var(--gray-300);
  --border-focus: var(--color-primary);
  --border-input: var(--gray-300);

  --text-heading: var(--gray-950);
  --text-body: var(--gray-600);
  --text-muted: var(--gray-400);
  --text-inverse: #FFFFFF;
  --text-link: var(--color-primary);
  --text-on-primary: #FFFFFF;

  /* ---- Typography ---- */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Cascadia Code', monospace;

  /* Admin scale */
  --text-xs: 0.6875rem;
  --text-sm: 0.8125rem;
  --text-base: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2rem;

  /* Marketing extended scale */
  --text-4xl: 2.5rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  --leading-none: 1;
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;

  --tracking-tighter: -0.04em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* ---- Spacing ---- */
  --space-0: 0;
  --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;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-40: 10rem;

  /* ---- Marketing Layout ---- */
  --site-max-width: 1200px;
  --site-narrow: 800px;
  --site-wide: 1400px;
  --nav-height: 72px;
  --section-padding: var(--space-24);

  /* ---- Brand Gradient ---- */
  --gradient-brand: linear-gradient(135deg, #4F46E5 0%, #6366F1 50%, #818CF8 100%);
  --gradient-brand-reverse: linear-gradient(135deg, #818CF8 0%, #6366F1 50%, #4F46E5 100%);
  --gradient-brand-text: linear-gradient(135deg, #4F46E5 0%, #6366F1 100%);
  --gradient-dark: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);

  /* ---- Shadows ---- */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-preview: 0 20px 60px -10px rgba(79, 70, 229, 0.15), 0 8px 24px rgba(0, 0, 0, 0.08);

  /* ---- Borders ---- */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-3xl: 24px;
  --radius-full: 9999px;

  /* ---- Transitions ---- */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-smooth: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ---- Z-Index Scale ---- */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-nav: 300;
  --z-modal: 400;
  --z-overlay: 500;
  --z-toast: 600;
  --z-tooltip: 700;
}