/**
 * OKANAGAN CONDOS DESIGN SYSTEM
 * 
 * Unified design tokens and CSS variables for consistent styling across the entire site.
 * All colors, fonts, spacing, and transitions are defined here.
 * 
 * This ensures every page has the same look and feel.
 * Last Updated: December 17, 2025
 */

:root {
  /* ========================================
     BRAND COLORS
     ======================================== */
  
  /* Primary Brand Colors */
  --color-primary: #0080bc;           /* Royal LePage Blue - used for CTAs, links */
  --color-primary-hover: #0dbae8;     /* Lighter blue for hover states */
  --color-primary-dark: #007095;      /* Darker blue for emphasis */
  
  /* Secondary Colors */
  --color-secondary: #4a525d;         /* Dark gray - body text */
  --color-secondary-light: #707070;   /* Medium gray - secondary text */
  --color-secondary-lighter: #C6CDD1; /* Light gray - borders */
  
  /* Accent Colors */
  --color-accent: #FF8000;            /* Orange - highlights, status tags */
  --color-accent-green: #0fc502;      /* Green - success states */
  
  /* Neutral Colors */
  --color-text-dark: #191c20;         /* Almost black - headings */
  --color-text-body: #4a525d;         /* Dark gray - body text */
  --color-text-light: rgba(51, 51, 51, 0.7); /* Translucent gray */
  
  /* Background Colors */
  --color-bg-white: #ffffff;
  --color-bg-light: #f5f5f5;          /* Light gray background */
  --color-bg-lighter: #eff1f5;        /* Very light gray */
  --color-bg-medium: #f1f1f1;         /* Medium gray background */
  
  /* Border Colors */
  --color-border-light: #ddd;
  --color-border-medium: #ccc;
  --color-border-dark: #C6CDD1;
  
  /* Status Colors */
  --color-success: #5cb85c;
  --color-warning: #f0ad4e;
  --color-danger: #d9534f;
  --color-info: #5bc0de;
  
  
  /* ========================================
     TYPOGRAPHY
     ======================================== */
  
  /* Font Families */
  --font-primary: 'Varela Round', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-headings: 'Dosis', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-code: Menlo, Monaco, Consolas, 'Courier New', monospace;
  
  /* Font Sizes */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-md: 1.125rem;    /* 18px */
  --font-size-lg: 1.25rem;     /* 20px */
  --font-size-xl: 1.5rem;      /* 24px */
  --font-size-2xl: 1.875rem;   /* 30px */
  --font-size-3xl: 2.25rem;    /* 36px */
  --font-size-4xl: 3rem;       /* 48px */
  
  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.715;
  --line-height-loose: 2;
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  
  
  /* ========================================
     SPACING SYSTEM
     ======================================== */
  
  --spacing-xs: 0.25rem;    /* 4px */
  --spacing-sm: 0.5rem;     /* 8px */
  --spacing-md: 1rem;       /* 16px */
  --spacing-lg: 1.5rem;     /* 24px */
  --spacing-xl: 2rem;       /* 32px */
  --spacing-2xl: 3rem;      /* 48px */
  --spacing-3xl: 4rem;      /* 64px */
  --spacing-4xl: 6rem;      /* 96px */
  
  
  /* ========================================
     LAYOUT & GRID
     ======================================== */
  
  /* Container Widths */
  --container-sm: 750px;
  --container-md: 970px;
  --container-lg: 1170px;
  
  /* Breakpoints */
  --breakpoint-xs: 0;
  --breakpoint-sm: 768px;
  --breakpoint-md: 992px;
  --breakpoint-lg: 1200px;
  
  /* Border Radius */
  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --radius-xl: 8px;
  --radius-round: 50%;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  
  /* ========================================
     ANIMATIONS & TRANSITIONS
     ======================================== */
  
  /* Transition Durations */
  --transition-fast: 150ms;
  --transition-base: 200ms;
  --transition-medium: 300ms;
  --transition-slow: 500ms;
  
  /* Transition Timing Functions */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Standard Transitions */
  --transition-all: all var(--transition-base) var(--ease-in-out);
  --transition-colors: color var(--transition-base) var(--ease-in-out), 
                       background-color var(--transition-base) var(--ease-in-out), 
                       border-color var(--transition-base) var(--ease-in-out);
  --transition-opacity: opacity var(--transition-base) var(--ease-in-out);
  --transition-transform: transform var(--transition-base) var(--ease-in-out);
  
  
  /* ========================================
     Z-INDEX SCALE
     ======================================== */
  
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}


/* ========================================
   GLOBAL RESETS & BASE STYLES
   ======================================== */

/* Apply consistent box-sizing */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Smooth scrolling for modern browsers */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Prevent font loading CLS - use fallback fonts immediately */
@font-face {
  font-display: swap; /* Show fallback font immediately, swap when custom font loads */
}

/* Base body styles */
body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-body);
  background-color: var(--color-bg-white);
  margin: 0;
  padding: 0;
}

/* Improved link styles */
a {
  color: var(--color-text-dark);
  text-decoration: none;
  transition: var(--transition-colors);
}

a:hover,
a:focus {
  color: var(--color-primary-hover);
  text-decoration: none;
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Heading styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-dark);
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-md); }

/* Paragraph spacing */
p {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

/* Image optimization - prevent CLS */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Reserve space for images during loading */
img:not([width]):not([height]) {
  /* If no dimensions specified, use aspect-ratio container */
  aspect-ratio: attr(width) / attr(height);
}

/* Prevent images from causing layout shift */
img[loading="lazy"] {
  /* Reserve minimum height to prevent CLS */
  min-height: 200px;
  background-color: var(--color-bg-light);
}

img[loading="lazy"].loaded {
  min-height: 0;
}

/* Responsive images */
.img-responsive {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Button reset */
button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}


/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Spacing utilities */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-sm) !important; }
.mt-2 { margin-top: var(--spacing-md) !important; }
.mt-3 { margin-top: var(--spacing-lg) !important; }
.mt-4 { margin-top: var(--spacing-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-sm) !important; }
.mb-2 { margin-bottom: var(--spacing-md) !important; }
.mb-3 { margin-bottom: var(--spacing-lg) !important; }
.mb-4 { margin-bottom: var(--spacing-xl) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: var(--spacing-sm) !important; }
.pt-2 { padding-top: var(--spacing-md) !important; }
.pt-3 { padding-top: var(--spacing-lg) !important; }
.pt-4 { padding-top: var(--spacing-xl) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: var(--spacing-sm) !important; }
.pb-2 { padding-bottom: var(--spacing-md) !important; }
.pb-3 { padding-bottom: var(--spacing-lg) !important; }
.pb-4 { padding-bottom: var(--spacing-xl) !important; }

/* Text utilities */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-muted { color: var(--color-text-light) !important; }

.font-weight-light { font-weight: var(--font-weight-light) !important; }
.font-weight-normal { font-weight: var(--font-weight-normal) !important; }
.font-weight-bold { font-weight: var(--font-weight-bold) !important; }

/* Display utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }

/* Flexbox utilities */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }

/* Visibility utilities */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* Background utilities */
.bg-primary { background-color: var(--color-primary) !important; }
.bg-light { background-color: var(--color-bg-light) !important; }
.bg-white { background-color: var(--color-bg-white) !important; }

/* Border radius utilities */
.rounded { border-radius: var(--radius-md) !important; }
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-circle { border-radius: var(--radius-round) !important; }

/* Shadow utilities */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* Transition utilities */
.transition-all { transition: var(--transition-all) !important; }
.transition-colors { transition: var(--transition-colors) !important; }
.transition-opacity { transition: var(--transition-opacity) !important; }


/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */

/* Hide/Show on different screen sizes */
@media (max-width: 767px) {
  .hidden-xs { display: none !important; }
}

@media (min-width: 768px) and (max-width: 991px) {
  .hidden-sm { display: none !important; }
}

@media (min-width: 992px) and (max-width: 1199px) {
  .hidden-md { display: none !important; }
}

@media (min-width: 1200px) {
  .hidden-lg { display: none !important; }
}

@media (min-width: 768px) {
  .visible-xs { display: none !important; }
}


/* ========================================
   PERFORMANCE OPTIMIZATIONS
   ======================================== */

/* Will-change for animations */
.will-change-transform { will-change: transform; }
.will-change-opacity { will-change: opacity; }

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a,
  a:visited {
    text-decoration: underline;
  }
  
  img {
    page-break-inside: avoid;
    max-width: 100% !important;
  }
  
  h2,
  h3,
  p {
    orphans: 3;
    widows: 3;
  }
  
  h2,
  h3 {
    page-break-after: avoid;
  }
}