/* ========================================
   PREMIUM FITNESS LANDING PAGE - UI KIT
   Design System Variables
   
   Created by Feldmann.studio
   © 2026 All Rights Reserved
   ======================================== */

/* ────────────────────────────────────────
   BRIGHT ENERGETIC THEME
   ──────────────────────────────────────── */
:root[data-theme="bright"] {
  /* Primary Colors */
  --primary-50: #fef2f2;
  --primary-100: #fee2e2;
  --primary-200: #fecaca;
  --primary-300: #fca5a5;
  --primary-400: #f87171;
  --primary-500: #ef4444;
  --primary-600: #dc2626;
  --primary-700: #b91c1c;
  --primary-800: #991b1b;
  --primary-900: #7f1d1d;
  
  /* Accent - Electric Orange */
  --accent-400: #fb923c;
  --accent-500: #f97316;
  --accent-600: #ea580c;
  
  /* Neutrals */
  --neutral-50: #fafafa;
  --neutral-100: #f4f4f5;
  --neutral-200: #e4e4e7;
  --neutral-300: #d4d4d8;
  --neutral-400: #a1a1aa;
  --neutral-500: #71717a;
  --neutral-600: #52525b;
  --neutral-700: #3f3f46;
  --neutral-800: #27272a;
  --neutral-900: #18181b;
  
  /* Semantic */
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f4f4f5;
  --text-primary: #18181b;
  --text-secondary: #52525b;
  --text-muted: #a1a1aa;
  --border-color: #e4e4e7;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
  --gradient-hero: linear-gradient(180deg, #fef2f2 0%, #ffffff 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #fafafa 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 40px rgb(239 68 68 / 0.3);
}

/* ────────────────────────────────────────
   DARK GYM THEME
   ──────────────────────────────────────── */
:root[data-theme="dark"] {
  /* Primary Colors - Neon Green */
  --primary-400: #4ade80;
  --primary-500: #22c55e;
  --primary-600: #16a34a;
  
  /* Accent - Electric Blue */
  --accent-400: #60a5fa;
  --accent-500: #3b82f6;
  --accent-600: #2563eb;
  
  /* Neutrals - Dark */
  --neutral-50: #fafafa;
  --neutral-100: #f4f4f5;
  --neutral-200: #e4e4e7;
  --neutral-300: #d4d4d8;
  --neutral-400: #a1a1aa;
  --neutral-500: #71717a;
  --neutral-600: #52525b;
  --neutral-700: #3f3f46;
  --neutral-800: #27272a;
  --neutral-900: #18181b;
  --neutral-950: #09090b;
  
  /* Semantic */
  --bg-primary: #09090b;
  --bg-secondary: #18181b;
  --bg-tertiary: #27272a;
  --text-primary: #fafafa;
  --text-secondary: #d4d4d8;
  --text-muted: #71717a;
  --border-color: #27272a;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #22c55e 0%, #3b82f6 100%);
  --gradient-hero: linear-gradient(180deg, #09090b 0%, #18181b 100%);
  --gradient-card: linear-gradient(145deg, #18181b 0%, #27272a 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.4);
  --shadow-glow: 0 0 40px rgb(34 197 94 / 0.3);
}

/* ────────────────────────────────────────
   MINIMAL WELLNESS THEME
   ──────────────────────────────────────── */
:root[data-theme="minimal"] {
  /* Primary Colors - Sage Green */
  --primary-200: #bbf7d0;
  --primary-300: #86efac;
  --primary-400: #4ade80;
  --primary-500: #22c55e;
  --primary-600: #16a34a;
  --primary-700: #15803d;
  --primary-800: #166534;
  
  /* Accent - Warm Sand */
  --accent-200: #fef3c7;
  --accent-300: #fde68a;
  --accent-400: #fcd34d;
  --accent-500: #f59e0b;
  
  /* Neutrals - Warm */
  --neutral-50: #fafaf9;
  --neutral-100: #f5f5f4;
  --neutral-200: #e7e5e4;
  --neutral-300: #d6d3d1;
  --neutral-400: #a8a29e;
  --neutral-500: #78716c;
  --neutral-600: #57534e;
  --neutral-700: #44403c;
  --neutral-800: #292524;
  --neutral-900: #1c1917;
  
  /* Semantic */
  --bg-primary: #fafaf9;
  --bg-secondary: #f5f5f4;
  --bg-tertiary: #e7e5e4;
  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #a8a29e;
  --border-color: #e7e5e4;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  --gradient-hero: linear-gradient(180deg, #fafaf9 0%, #f5f5f4 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #fafaf9 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.03);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.03);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.05), 0 4px 6px -4px rgb(0 0 0 / 0.03);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.03);
  --shadow-glow: 0 0 40px rgb(34 197 94 / 0.15);
}

/* ────────────────────────────────────────
   TYPOGRAPHY
   ──────────────────────────────────────── */
:root {
  /* Font Families */
  --font-display: 'Montserrat', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-accent: 'Oswald', var(--font-display);
  
  /* Font Sizes - Fluid */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3rem);
  --text-5xl: clamp(2.5rem, 2rem + 2.5vw, 3.75rem);
  --text-6xl: clamp(3rem, 2.25rem + 3.75vw, 4.5rem);
  --text-7xl: clamp(3.5rem, 2.5rem + 5vw, 6rem);
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;
  
  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;
}

/* ────────────────────────────────────────
   SPACING
   ──────────────────────────────────────── */
:root {
  --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;
  --space-48: 12rem;
  --space-64: 16rem;
}

/* ────────────────────────────────────────
   BORDER RADIUS
   ──────────────────────────────────────── */
:root {
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
}

/* ────────────────────────────────────────
   TRANSITIONS
   ──────────────────────────────────────── */
:root {
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ────────────────────────────────────────
   BREAKPOINTS
   ──────────────────────────────────────── */
/* Mobile First */
--bp-sm: 640px;
--bp-md: 768px;
--bp-lg: 1024px;
--bp-xl: 1280px;
--bp-2xl: 1536px;