/* ============================================================
   SAGE UNIVERSITY — CSS Design Tokens
   variables.css
   
   LIGHT THEME — aligned with sageuniversity.in
   White backgrounds, red accents, warm tones.
   ============================================================ */

:root {
  /* ── Colors: Base / Dark tones (for header, footer, dark sections) */
  --color-navy-darkest: #1a1a1a;
  --color-navy-dark: #222222;
  --color-navy: #2a2a2a;
  --color-navy-mid: #333333;
  --color-navy-light: #444444;

  /* ── Colors: Accent — SAGE Red ───────────────────────── */
  --color-accent-blue: #C41E3A;
  /* Bright SAGE red (primary) */
  --color-accent-blue-light: #D93652;
  /* Hover / light red */
  --color-gold: #C5A55A;
  /* Logo gold accent */
  --color-gold-light: #D4B76E;
  --color-crimson: #C41E3A;
  /* Alias */
  --color-crimson-light: #D93652;
  --color-maroon: #9B1525;
  /* Darker red */
  --color-maroon-light: #B01E30;

  /* ── Colors: Neutrals ────────────────────────────────── */
  --color-white: #ffffff;
  --color-off-white: #f5f5f5;
  --color-gray-100: #e5e7eb;
  --color-gray-200: #d1d5db;
  --color-gray-300: #9ca3af;
  --color-gray-400: #6b7280;
  --color-gray-500: #4b5563;
  --color-gray-600: #374151;
  --color-text-dark: #1f2937;
  --color-text-body: #374151;
  --color-text-light: #1f2937;
  /* dark text for light bg */
  --color-text-muted: #6b7280;
  /* gray text for light bg */

  /* ── Colors: Surface / Glass (light-theme adapted) ──── */
  --color-surface-dark: rgba(26, 26, 26, 0.95);
  --color-glass: rgba(0, 0, 0, 0.03);
  --color-glass-border: rgba(0, 0, 0, 0.08);
  --color-glass-strong: rgba(0, 0, 0, 0.06);
  --color-card-dark: rgba(20, 20, 20, 0.85);
  --color-overlay: rgba(0, 0, 0, 0.5);

  /* ── Typography ──────────────────────────────────────── */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.875rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;

  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

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

  /* ── Spacing Scale ───────────────────────────────────── */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;
  --space-section: 6rem;

  /* ── Layout ──────────────────────────────────────────── */
  --container-max: 1200px;
  --container-narrow: 960px;
  --container-wide: 1400px;

  /* ── Border & Radius ─────────────────────────────────── */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* ── Shadows ─────────────────────────────────────────── */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
  --shadow-glow-blue: 0 0 30px rgba(196, 30, 58, 0.2);
  --shadow-glow-gold: 0 0 20px rgba(197, 165, 90, 0.2);

  /* ── Transitions ─────────────────────────────────────── */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-smooth: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ── Z-Index Scale ───────────────────────────────────── */
  --z-behind: -1;
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;

  /* ── Tracking ────────────────────────────────────────── */
  --tracking-wide: 0.05em;

  /* ── Futuristic Accents ─────────────────────────────── */
  --color-electric-blue: #00d4ff;
  --color-electric-blue-dim: rgba(0, 212, 255, 0.15);
  --color-neon-red: #ff2d55;
  --color-neon-red-dim: rgba(255, 45, 85, 0.15);
  --color-glow-gold: rgba(197, 165, 90, 0.4);
  --color-glow-red: rgba(196, 30, 58, 0.35);
  --color-glow-blue: rgba(0, 212, 255, 0.25);

  /* ── Glassmorphism Surfaces ─────────────────────────── */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-bg-dark: rgba(10, 10, 30, 0.75);
  --glass-border: rgba(255, 255, 255, 0.25);
  --glass-border-dark: rgba(255, 255, 255, 0.08);
  --glass-blur: 16px;

  /* ── Shadows: Futuristic ────────────────────────────── */
  --shadow-neon-red: 0 0 20px rgba(196, 30, 58, 0.5), 0 0 60px rgba(196, 30, 58, 0.15);
  --shadow-neon-gold: 0 0 20px rgba(197, 165, 90, 0.5), 0 0 60px rgba(197, 165, 90, 0.15);
  --shadow-neon-blue: 0 0 20px rgba(0, 212, 255, 0.4), 0 0 60px rgba(0, 212, 255, 0.1);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.06);

  /* ── Z-Index: Floating CTA ──────────────────────────── */
  --z-floating-cta: 999;
}