/* 
 * Premium Education Investment Platform - Design Tokens
 * Brand System for Institutional Credibility
 */

:root {
  /* Brand Colors */
  --brand-primary-dark: #0A1929;      /* Deep Navy */
  --brand-primary-medium: #1A3A5F;    /* Medium Blue */
  --brand-primary-light: #2C5A8A;     /* Light Blue */
  --brand-accent-gold: #B8860B;       /* Gold */
  --brand-accent-green: #2E7D32;      /* Green */
  --brand-secondary-white: #F8F9FA;   /* Off-white */
  --brand-secondary-light: #E9ECEF;   /* Light Gray */
  --brand-secondary-medium: #ADB5BD;  /* Medium Gray */
  --brand-secondary-dark: #6C757D;    /* Dark Gray */
  --brand-black: #000000;
  --brand-white: #FFFFFF;

  /* Typography */
  --font-primary: 'Playfair Display', serif;
  --font-secondary: 'IBM Plex Sans', sans-serif;
  --font-size-h1: clamp(2.5rem, 4vw, 4rem);
  --font-size-h2: clamp(2rem, 3vw, 2.5rem);
  --font-size-h3: clamp(1.5rem, 2.5vw, 2rem);
  --font-size-h4: clamp(1.25rem, 2vw, 1.5rem);
  --font-size-body-large: 1.25rem;
  --font-size-body-medium: 1rem;
  --font-size-body-small: 0.875rem;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 6rem;

  /* Layout */
  --container-max-width: 1440px;
  --container-padding: clamp(1rem, 3vw, 2rem);
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --box-shadow-light: 0 4px 12px rgba(0, 0, 0, 0.05);
  --box-shadow-medium: 0 8px 24px rgba(0, 0, 0, 0.1);
  --box-shadow-heavy: 0 16px 48px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-medium: 300ms ease;
  --transition-slow: 500ms ease;

  /* Breakpoints */
  --breakpoint-xs: 0;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --breakpoint-xxl: 1400px;

  /* Z-index */
  --z-header: 100;
  --z-modal: 1000;
  --z-tooltip: 1100;
}