/**
 * Theme Name: Wireframe2
 * Theme URI: https://concreteflooringsolutions.co.uk/
 * Author: Concrete Flooring Solutions
 * Author URI: https://concreteflooringsolutions.co.uk/
 * Description: Modern, performant WordPress theme built with CSS Grid, Custom Properties, and ES6+ JavaScript. Optimized for Core Web Vitals and mobile-first design.
 * Version: 1.0.0
 * Requires at least: 6.0
 * Tested up to: 6.4
 * Requires PHP: 8.0
 * License: GPL v2 or later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: wireframe2
 * Domain Path: /languages
 * Tags: custom-colors, custom-logo, custom-menu, editor-style, featured-images, full-width-template, block-patterns, rtl-language-support, threaded-comments, translation-ready, accessibility-ready
 */

/* 
 * CSS Custom Properties
 * Define design tokens for consistent theming
 */
:root {
  /* Colors */
  --color-primary: #007cba;
  --color-primary-dark: #005a87;
  --color-primary-light: #4da6e8;
  --color-secondary: #f0f0f0;
  --color-accent: #ff6b6b;
  --color-success: #4caf50;
  --color-warning: #ff9800;
  --color-error: #f44336;
  
  /* Neutrals */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  
  /* Typography */
  --font-family-base: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-heading: var(--font-family-base);
  --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  
  /* Font Sizes - Fluid Typography */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --font-size-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --font-size-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3rem);
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-snug: 1.375;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;
  --line-height-loose: 2;
  
  /* Spacing Scale */
  --spacing-unit: 0.25rem;
  --spacing-0: 0;
  --spacing-1: calc(var(--spacing-unit) * 1);   /* 4px */
  --spacing-2: calc(var(--spacing-unit) * 2);   /* 8px */
  --spacing-3: calc(var(--spacing-unit) * 3);   /* 12px */
  --spacing-4: calc(var(--spacing-unit) * 4);   /* 16px */
  --spacing-5: calc(var(--spacing-unit) * 5);   /* 20px */
  --spacing-6: calc(var(--spacing-unit) * 6);   /* 24px */
  --spacing-8: calc(var(--spacing-unit) * 8);   /* 32px */
  --spacing-10: calc(var(--spacing-unit) * 10); /* 40px */
  --spacing-12: calc(var(--spacing-unit) * 12); /* 48px */
  --spacing-16: calc(var(--spacing-unit) * 16); /* 64px */
  --spacing-20: calc(var(--spacing-unit) * 20); /* 80px */
  --spacing-24: calc(var(--spacing-unit) * 24); /* 96px */
  
  /* Layout */
  --container-max-width: 1200px;
  --content-max-width: 800px;
  --sidebar-width: 300px;
  --header-height: 80px;
  
  /* Borders */
  --border-width: 1px;
  --border-width-thick: 2px;
  --border-radius-sm: 0.25rem;
  --border-radius: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 1rem;
  --border-radius-full: 9999px;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
  
  /* Z-index Scale */
  --z-index-dropdown: 100;
  --z-index-sticky: 200;
  --z-index-fixed: 300;
  --z-index-modal-backdrop: 400;
  --z-index-modal: 500;
  --z-index-popover: 600;
  --z-index-tooltip: 700;
}

/* Dark Mode Custom Properties */
[data-theme="dark"] {
  --color-primary: #4da6e8;
  --color-primary-dark: #007cba;
  --color-primary-light: #7dc4f5;
  
  --color-white: #1a1a1a;
  --color-black: #ffffff;
  --color-gray-100: #212529;
  --color-gray-200: #343a40;
  --color-gray-300: #495057;
  --color-gray-400: #6c757d;
  --color-gray-500: #adb5bd;
  --color-gray-600: #ced4da;
  --color-gray-700: #dee2e6;
  --color-gray-800: #e9ecef;
  --color-gray-900: #f8f9fa;
}

/* 
 * Base Styles
 * Modern CSS reset and base element styles
 */

/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margin */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
figure,
dl,
dd {
  margin: 0;
}

/* Remove list styles on ul, ol elements with a list role */
ul[role='list'],
ol[role='list'] {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Set core root defaults */
html {
  font-size: 100%;
  scroll-behavior: smooth;
}

/* Set core body defaults */
body {
  min-height: 100vh;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  text-rendering: optimizeSpeed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Make images easier to work with */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
  font: inherit;
}

/* Remove font size adjustment in iOS */
input {
  font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-4);
}

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-base); }

p {
  margin-bottom: var(--spacing-4);
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  transition: color var(--transition-fast);
}

a:hover,
a:focus {
  color: var(--color-primary-dark);
}

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

/* Utility Classes */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--spacing-8);
  }
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus Visible Polyfill */
.js-focus-visible :focus:not(.focus-visible) {
  outline: none;
}

/* WordPress Core Blocks Support */
.wp-block-group.has-background {
  padding: var(--spacing-8);
}

/* Alignments */
.alignleft {
  float: left;
  margin-right: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.alignright {
  float: right;
  margin-left: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.aligncenter {
  display: block;
  margin-inline: auto;
}

.alignwide {
  max-width: calc(var(--container-max-width) + var(--spacing-16));
  margin-inline: auto;
}

.alignfull {
  max-width: none;
  margin-inline: calc(50% - 50vw);
}

/* WordPress Required Classes */
.sticky {}
.gallery-caption {}
.bypostauthor {}

/* Accessibility */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 2.5rem;
  z-index: 999999;
  text-decoration: underline;
}

.skip-link:focus {
  display: block;
  left: 6px;
  top: 7px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  line-height: normal;
  padding: 15px 23px 14px;
  background-color: #f1f1f1;
  border-radius: 3px;
  box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
  outline: none;
}