/* ============================================================
   UPTRAIL — DESIGN TOKENS
   Core variables shared across theme, legacy, and plugins
   ============================================================ */

:root {
  /* Brand Primary: Forest Green */
  --uptrail-primary-900: #0d3029;
  --uptrail-primary-800: #123b32;
  --uptrail-primary-700: #17332d;
  --uptrail-primary-600: #1f5a49;
  --uptrail-primary-500: #2c7354;
  --uptrail-primary-400: #3d9b72;
  --uptrail-primary-300: #5cb88d;
  --uptrail-primary-200: #a8d8c0;
  --uptrail-primary-100: #dff0e7;

  /* Brand Accent: Gold */
  --uptrail-gold-700: #8c6a1a;
  --uptrail-gold-600: #b08a1e;
  --uptrail-gold-500: #c9923e;
  --uptrail-gold-400: #d4a72c;
  --uptrail-gold-300: #e8c254;
  --uptrail-gold-200: #f0d88a;
  --uptrail-gold-100: #faf0d4;

  /* Neutrals */
  --uptrail-dark: #0a1628;
  --uptrail-dark-800: #121e32;
  --uptrail-dark-700: #1a2940;
  --uptrail-dark-600: #243550;
  --uptrail-gray-500: #6b7c93;
  --uptrail-gray-400: #94a3b8;
  --uptrail-gray-300: #cbd5e1;
  --uptrail-gray-200: #e2e8f0;
  --uptrail-gray-100: #f1f5f9;
  --uptrail-light: #f7f9fc;
  --uptrail-white: #ffffff;
  --uptrail-paper: #f8f6ef;
  --uptrail-mist: #eef2ed;

  /* Semantic */
  --uptrail-success: #22c55e;
  --uptrail-warning: #f59e0b;
  --uptrail-danger: #ef4444;
  --uptrail-info: #3b82f6;

  /* Typography */
  --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-editorial: var(--font-primary);
  --font-accent: var(--font-primary);

  --fs-display: clamp(2.8rem, 5.5vw, 5.5rem);
  --fs-h1: clamp(2.2rem, 4vw, 3.5rem);
  --fs-h2: clamp(1.8rem, 3vw, 2.8rem);
  --fs-h3: clamp(1.3rem, 2vw, 1.8rem);
  --fs-h4: clamp(1.1rem, 1.5vw, 1.4rem);
  --fs-body: clamp(0.95rem, 1.1vw, 1.1rem);
  --fs-small: clamp(0.8rem, 0.9vw, 0.9rem);
  --fs-xs: 0.75rem;

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  --lh-tight: 1.15;
  --lh-snug: 1.3;
  --lh-normal: 1.6;
  --lh-relaxed: 1.8;

  --ls-tight: -0.03em;
  --ls-normal: 0;
  --ls-wide: 0.05em;
  --ls-wider: 0.12em;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 3.5rem;
  --space-4xl: 5rem;
  --space-section: clamp(4rem, 8vw, 6rem);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.15), 0 10px 20px rgba(0,0,0,0.08);
  --shadow-glow-primary: 0 0 30px rgba(31,90,73,0.3);
  --shadow-glow-gold: 0 0 30px rgba(201,146,62,0.3);

  /* Glass */
  --glass-bg: rgba(255,255,255,0.08);
  --glass-bg-light: rgba(255,255,255,0.15);
  --glass-border: rgba(255,255,255,0.12);
  --glass-blur: 20px;

  /* Transitions */
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 200ms;
  --duration-normal: 350ms;
  --duration-slow: 600ms;
  --duration-reveal: 800ms;

  /* Layout */
  --container-max: 1280px;
  --container-wide: 1440px;
  --container-narrow: 960px;
  --nav-height: 80px;
  --nav-height-scrolled: 64px;
}