/*prevent FOUC on mobile when using sidebar */
.dwc-mobile :is(.bricks-is-frontend.brx-header-left, .bricks-is-frontend.brx-header-right) #brx-header {
  position: relative;
  inline-size: 100%;
  flex-direction: column;
}

.dwc-mobile .bricks-is-frontend:is(.brx-header-left, .brx-header-right) :is(#brx-content, #brx-footer) {
  margin-inline-start: 0;
}

/*prevent FOUC on desktop when using sidebar */
.bricks-is-frontend:is(.brx-header-left, .brx-header-right):not(.show-nav) .dwc-nav-wrapper {
  display: none;
}

/*=== sidebar css ===*/
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header {
  flex-direction: column;
  box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.7);  
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]).no-scroll {
  overflow: visible;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu.brxe-nav-nested .brx-nav-nested-items {
  max-block-size: 100dvb;
  padding-block-end: 12rem;
  overscroll-behavior: contain;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nav-wrapper {
  position: relative;
  overflow: hidden;
  block-size: 100%;
  transform: translateX(0%);
  visibility: visible;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) .dwc-nest-menu .brxe-toggle {
  display: none !important;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu {
  display: flex;
  flex-direction: column;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-header > div {
  display: flex;
  grid-template-columns: 1fr;
  block-size: 100%;
  flex-direction: column;
  justify-content: flex-start;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-menu-wrap {
  inline-size: 100%;
  display: grid;
  grid-template-columns: 1fr;
  block-size: 100%;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header :is(.brxe-code, .dwc-nest-menu-overlay) {
  display: none;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-header {
  inline-size: 100%;
  padding-inline: 0;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu-top {
  min-block-size: var(--top-offset);
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu:not( [data-hide-close-bar = 'true']) .brx-dropdown-content {
  inset-block-start: calc(var(--top-offset) + 1px) !important;

}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu:not( [data-submenu-reveal = 'slide']) .brx-dropdown-content:not([data-submenu-reveal = 'slide'] *) {  
  inset-inline-start: 0;
  inset-block-start: unset !important;
  overflow: hidden;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu:not([data-submenu-reveal = 'slide']) .brxe-dropdown:not(.open.active) > .brx-dropdown-content > .brxe-dropdown:not([data-submenu-reveal = 'slide'] *){
  visibility: hidden;  
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu.brxe-nav-nested.brx-open .brxe-dropdown > .brx-dropdown-content {
  overscroll-behavior: contain;
  min-inline-size: var(--mobile-menu-width);

}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu .brxe-dropdown.open > .brx-submenu-toggle button:not([data-submenu-reveal = 'expand'] button)  {
  min-block-size: calc(var(--top-offset) - 1px);
  inset-block-start: 0;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu .brxe-dropdown.open[data-submenu-reveal = 'slide'] > .brx-submenu-toggle button  {
  min-block-size: calc(var(--top-offset) - 1px);
  inset-block-start: 0;
}

html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu .brxe-dropdown .brx-submenu-toggle button {
  min-block-size: 0;    
}

/* sidebar css ends*/



/*sidebar in builder*/
/*=== sidebar css ===*/
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header {
  flex-direction: column;
  box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.7);
  --top-offset: 40px;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu.brxe-nav-nested .brx-nav-nested-items {
  max-block-size: 100dvb;
  padding-block-end: 12rem;
  overscroll-behavior: contain;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nav-wrapper {
  position: relative;
  overflow: hidden;
  block-size: 100%;
  transform: translateX(0%);
  visibility: visible;
}

body:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-menu .brxe-toggle {
  display: none !important;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu {
  display: flex;
  flex-direction: column;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-header > div {
  display: flex;
  grid-template-columns: 1fr;
  block-size: 100%;
  flex-direction: column;
  justify-content: flex-start;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-menu-wrap {
  inline-size: 100%;
  display: grid;
  grid-template-columns: 1fr;
  block-size: 100%;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-header {
  inline-size: 100%;
  padding-inline: 0;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu-top {
  min-block-size: var(--top-offset);
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu .brx-dropdown-content {
  inset-block-start: calc(var(--top-offset) - 1px) !important;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu.brxe-nav-nested.brx-open .brxe-dropdown > .brx-dropdown-content {
  overscroll-behavior: contain;  
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu .brxe-dropdown.open > .brx-submenu-toggle button {
  min-block-size: calc(var(--top-offset) - 1px);
  inset-block-start: 0;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu .brxe-dropdown .brx-submenu-toggle button {
  min-block-size: 0;    
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-menu {
  margin: 0 !important;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] .brx-nav-nested-items {  
  flex-direction: column !important;  
}
   
:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-toggle--open.brxe-toggle {
  display: flex !important;
}
 
:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-menu .brx-nav-nested-items {
  position: relative !Important;
  background: var(--mobile-menu-bg) !important;
  align-items: stretch;
  flex: 1;
}

:where(.brx-header-left, .brx-header-right)[data-builder-mode]:not(:has(.dwc-sidebar)) .dwc-nest-menu-top::before {
    content: 'this space is the back text bar';
    padding: 1rem;
    background-color: gray;
    color: white;
    width: 100%;
    text-transform: uppercase;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 1px;
}
 
/* MENU CTA (LAST BUTTON) */
:is(.brx-header-left, .brx-header-right)[data-builder-window] [data-last-item-is-button="true"].dwc-nest-menu .brx-nav-nested-items > .menu-item:last-of-type {
  padding-inline: var(--menu-item-inline-padding) !important;
  padding-block: var(--menu-item-block-padding) !important;
}
 
:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-menu-top {
  min-block-size: 80px !important;
}
 
:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-nav-items {
  overflow-y: scroll;
}

:is(.brx-header-left, .brx-header-right)[data-builder-mode] .brx-dropdown-content {
  min-inline-size: var(--mobile-menu-width);
  position: static;
}

:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu.brxe-nav-nested .brx-nav-nested-items {
  flex-wrap: nowrap;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu .brx-dropdown-content {   
  visibility: visible !important;
  opacity: 1;
}

/*OVERLAY SIDEBAR*/


html:not(.dwc-mobile):has([data-overlay-sidebar=true])  {
 --mobile-menu-bg: rgb(255 255 255 / 0%);
  --menu-item-border: solid 1px rgb(255 255 255 / 50%);
 
}

html:not(.dwc-mobile):has([data-overlay-sidebar=true]) :is(.brx-header-left, .brx-header-right):not([data-builder-modee]) :is(main, footer){
  margin: 0 !important
}

html:not(.dwc-mobile):has([data-overlay-sidebar=true]) :is(.brx-header-left, .brx-header-right):not([data-builder-modee]) :is(main, footer) :where(section):not(section>section) {
  padding-inline-start: calc(var(--mobile-menu-width) + clamp(1.5rem, calc(0.625vw + 1.375rem), 1.875rem));
  max-inline-size: 100%
}

html:not(.dwc-mobile):has([data-overlay-sidebar=true]) :is(.brx-header-left, .brx-header-right):not([data-builder-modee]) #brx-header {
  border-radius: var(--overlay-sidebar-radius);
  overflow: hidden;
  background: var(--overlay-sidebar-bg);
  box-shadow: var(--overlay-sidebar-shadow) !important;
  inset: var(--overlay-sidebar-inset);
}

html:not(.dwc-mobile):has([data-overlay-sidebar=true]) :is(.brx-header-left, .brx-header-right):not([data-builder-modee]) .dwc-nest-header{
  backdrop-filter: blur(13px);
  background: transparent !important;
}

html:not(.dwc-mobile):has([data-overlay-sidebar=true]):not([data-builder-modee])  .brx-dropdown-content {
   background-color: rgb(255 255 255 / 100%);
}

/*NO BRX-OPEN STYLES*/
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu.brxe-nav-nested .brx-nav-nested-items {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: column !important;
}


  html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) .dwc-nest-menu.brxe-nav-nested .brxe-dropdown .brx-dropdown-content {
      visibility: visible;
      min-inline-size: var(--mobile-menu-width) !important;
  }


  html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) .dwc-nest-menu[data-submenu-reveal="expand"] .brxe-dropdown.open>.brx-dropdown-content {
   position: static;
}



class SidebarNavigation {
  constructor(options = {}) {
    // Basic configuration properties
    this.config = {
      minWidth: options.minWidth || MegaMenuCONFIG.minWidth, // Using external minWidth variable
      menuSelector: options.menuSelector || '.dwc-nest-menu',
      openClass: options.openClass || 'brx-open',
      activeClasses: options.activeClasses || ['open', 'active'],
      leftHeaderClass: options.leftHeaderClass || 'brx-header-left',
      rightHeaderClass: options.rightHeaderClass || 'brx-header-right',
      debounceDelay: options.debounceDelay || 100,
      menuItemClickDelay: options.menuItemClickDelay || 300
    };
    
    // Set dependent selectors
    const menuSelector = this.config.menuSelector;
    this.config.submenuToggleSelector = options.submenuToggleSelector || `${menuSelector} .brx-submenu-toggle`;
    this.config.dropdownSelector = options.dropdownSelector || `${menuSelector} .brxe-dropdown`;
    this.config.dropdownContentSelector = options.dropdownContentSelector || `${menuSelector} .brx-dropdown-content`;
    
    // State
    this.previousHeaderClass = null;
    this.dropdownClickHandlers = new Map();
    this.menuHoverHandlers = null;
    this.menuItemClickTimeout = null;
    this.keyboardNavHandler = null;
    this.cachedFocusableElements = null;
    this.cachedElements = {
      menuElement: null,
      navElement: null,
      dropdowns: null,
      dropdownToggles: null,
      menuItems: null
    };
    
    // Bind methods to this instance
    this.handleResize = this.debounce(this.handleMenu.bind(this), this.config.debounceDelay);
    this.handleOutsideClick = this.handleOutsideClick.bind(this);
  }
  
  // Initialize everything - called once
  init() {
    // Wait for DOM to be fully loaded before attaching events
    if (document.readyState === 'loading') {
      document.addEventListener('DOMContentLoaded', () => {
        this.initAfterDOMLoaded();
      }, { once: true });
    } else {
      this.initAfterDOMLoaded();
    }
    
    return this;
  }
  
  // Separate initialization method to run after DOM is loaded
  initAfterDOMLoaded() {
    // Cache DOM elements once
    this.cacheElements();
    
    // Setup resize event with passive flag
    window.addEventListener('resize', this.handleResize, { passive: true });
    
    // Setup mutation observer for critical class changes only
    this.setupMutationObserver();
    
    // Initial setup based on current screen size
    this.handleMenu();
    
    // Cache focusable elements once if header class is present
    if (this.hasHeaderClass()) {
      this.cacheFocusableElements();
      this.setupMenuFocusNavigation();
    }
  }
  
  // Cache all required DOM elements upfront
  cacheElements() {
    this.cachedElements.menuElement = document.querySelector(this.config.menuSelector);
    
    if (this.cachedElements.menuElement) {
      this.cachedElements.navElement = this.cachedElements.menuElement.querySelector('.dwc-nest-nav-items');
      this.cachedElements.dropdowns = Array.from(document.querySelectorAll(this.config.dropdownSelector));
      this.cachedElements.dropdownToggles = Array.from(document.querySelectorAll(this.config.submenuToggleSelector));
      this.cachedElements.menuItems = Array.from(document.querySelectorAll(`${this.config.menuSelector} .menu-item`));
    }
  }
  
  // Set up a focused mutation observer only for dropdown state changes
  setupMutationObserver() {
    if (!this.cachedElements.dropdowns || this.cachedElements.dropdowns.length === 0) return;
    
    const callback = (mutations) => {
      for (let mutation of mutations) {
        if (mutation.type === 'attributes' && mutation.attributeName === 'class') {
          const target = mutation.target;
          const prevClassList = mutation.oldValue ? mutation.oldValue.split(' ') : [];
          const hadBothBefore = prevClassList.includes('open') && prevClassList.includes('active');
          const hasBothNow = target.classList.contains('open') && target.classList.contains('active');
    
          if (hadBothBefore !== hasBothNow) {
            this.updateDropdownAccessibility();
            break; // Only need to update once per batch
          }
        }
      }
    };
    
    // Create observer with optimized options
    this.classObserver = new MutationObserver(callback);
    
    // Observe only the dropdown elements
    this.cachedElements.dropdowns.forEach(dropdown => {
      this.classObserver.observe(dropdown, { 
        attributes: true, 
        attributeFilter: ['class'], 
        attributeOldValue: true 
      });
    });
  }
  
  // Cache focusable elements for keyboard navigation
  cacheFocusableElements() {
    if (!this.cachedElements.navElement) return;
    
    // Get direct children of nav
    const directChildren = Array.from(this.cachedElements.navElement.children);
    
    // Find the first focusable element within each direct child
    this.cachedFocusableElements = directChildren.map(child => {
      // Check if the child itself is focusable
      if (child.matches('a, button, input, select, textarea, [tabindex]:not([tabindex="-1"])')) {
        return child;
      }
      // Otherwise, find the first focusable element within this child
      return child.querySelector('a, button, input, select, textarea, [tabindex]:not([tabindex="-1"])');
    }).filter(Boolean); // Remove null/undefined values
  }
  
  // Clean up all event listeners and observers
  destroy() {
    // Clean up the mutation observer
    if (this.classObserver) {
      this.classObserver.disconnect();
      this.classObserver = null;
    }
    
    // Clean up resize listener
    window.removeEventListener('resize', this.handleResize);
    
    // Clean up click handlers
    if (this.dropdownClickHandlers.size > 0) {
      this.dropdownClickHandlers.forEach((handler, toggle) => {
        toggle.removeEventListener('click', handler);
      });
      this.dropdownClickHandlers.clear();
    }
    
    // Clean up hover handlers
    this.cleanupMenuHover();
    
    // Clean up menu item click handlers
    this.cleanupMenuItemClicks();
    
    // Clean up outside click handler
    document.removeEventListener('click', this.handleOutsideClick);
    
    // Clean up keyboard navigation
    if (this.keyboardNavHandler) {
      document.removeEventListener('keydown', this.keyboardNavHandler);
      this.keyboardNavHandler = null;
    }
    
    // Clear any pending timeouts
    if (this.menuItemClickTimeout) {
      clearTimeout(this.menuItemClickTimeout);
      this.menuItemClickTimeout = null;
    }
  }
  
  // Utility methods
  hasHeaderClass() {
    return document.body.classList.contains(this.config.leftHeaderClass) || 
           document.body.classList.contains(this.config.rightHeaderClass);
  }
  
  debounce(func, delay) {
    let timer;
    return (...args) => {
      clearTimeout(timer);
      timer = setTimeout(() => func(...args), delay);
    };
  }

  // Check if an element has all the required active classes
  hasAllActiveClasses(element) {
    return this.config.activeClasses.every(className => element.classList.contains(className));
  }
  
  // Toggle all active classes on an element
  toggleActiveClasses(element) {
    this.config.activeClasses.forEach(className => {
      element.classList.toggle(className);
    });
  }
  
  // Core functionality methods
  handleMenu() {
    if (!this.cachedElements.menuElement) return;
    if (!this.hasHeaderClass() && !this.previousHeaderClass) return;

    const screenWidth = window.innerWidth;
    const isLargeScreen = screenWidth >= this.config.minWidth;
    const menuElement = this.cachedElements.menuElement;

    if (!isLargeScreen) {
      // Save which class was present before removal
      if (this.hasHeaderClass()) {
        this.previousHeaderClass = document.body.classList.contains(this.config.leftHeaderClass) 
          ? this.config.leftHeaderClass 
          : this.config.rightHeaderClass;
        
        // Remove header classes
        document.body.classList.remove(this.config.leftHeaderClass, this.config.rightHeaderClass);
        menuElement.classList.remove(this.config.openClass);
        
        // Reset accessibility attributes
        this.resetAccessibilityAttributes();
      }
      
      // Clean up event handlers for mobile view
      this.cleanupMenuHover();
      this.cleanupMenuItemClicks();
      this.cleanupDropdownHandlers();
      document.removeEventListener('click', this.handleOutsideClick);
      
      return;
    }

    // Large screen behavior
    if (!this.hasHeaderClass() && this.previousHeaderClass) {
      document.body.classList.add(this.previousHeaderClass);
    }

    if (this.hasHeaderClass()) {
      if (!menuElement.classList.contains(this.config.openClass)) {
        menuElement.classList.add(this.config.openClass);
      }
      
      // Setup elements for large screen view
      this.setupMenuHover();
      this.setupMenuItemClicks();
      this.setupDropdownHandlers();
      this.setupMenuFocusNavigation();
      this.updateDropdownAccessibility();
      
      // Ensure outside click handler is set up
      document.removeEventListener('click', this.handleOutsideClick);
      document.addEventListener('click', this.handleOutsideClick, { passive: false });
    }
  }
  
  // Reset accessibility attributes when switching to mobile
  resetAccessibilityAttributes() {
    if (!this.cachedElements.dropdowns) return;
    
    // Remove all inert attributes from dropdown contents
    this.cachedElements.dropdowns.forEach(dropdown => {
      const content = dropdown.querySelector(this.config.dropdownContentSelector);
      if (content) {
        content.removeAttribute('inert');
      }
      
      const button = dropdown.querySelector('button');
      if (button) {
        button.setAttribute('aria-expanded', 'false');
      }
    });
  }
  
  setupMenuFocusNavigation() {
    // Only run if hasHeaderClass() is true and we have focusable elements
    if (!this.hasHeaderClass() || !this.cachedFocusableElements || this.cachedFocusableElements.length === 0) {
      return;
    }
    
    // Clean up previous handler if it exists
    if (this.keyboardNavHandler) {
      document.removeEventListener('keydown', this.keyboardNavHandler, true);
      this.keyboardNavHandler = null;
    }
    
    const navMenu = this.cachedElements.menuElement;
    const focusableElements = this.cachedFocusableElements;
    const firstFocusableElement = focusableElements[0];
    const lastFocusableElement = focusableElements[focusableElements.length - 1];
    
    // Find adjacent focusable elements outside the menu (only once during setup)
    const headerElement = navMenu.closest('header') || document.querySelector('header');
    
    // Prepare variables to hold adjacent elements
    let prevFocusableElement = null;
    let nextFocusableElement = null;
    let firstElementAfterHeader = null;
    
    if (headerElement) {
      // Get all focusable elements within the header - do this once and cache the result
      const headerFocusables = Array.from(
        headerElement.querySelectorAll('a:not([tabindex="-1"]), button:not([tabindex="-1"]), input:not([tabindex="-1"]), select:not([tabindex="-1"]), textarea:not([tabindex="-1"]), [tabindex]:not([tabindex="-1"])')
      ).filter(el => window.getComputedStyle(el).display !== 'none');
      
      // Find the index of our first and last menu elements in one pass
      const menuStartIndex = headerFocusables.indexOf(firstFocusableElement);
      const menuEndIndex = headerFocusables.indexOf(lastFocusableElement);
      
      // Cache the adjacent elements
      if (menuStartIndex > 0) {
        prevFocusableElement = headerFocusables[menuStartIndex - 1];
      }
      
      if (menuEndIndex !== -1 && menuEndIndex < headerFocusables.length - 1) {
        nextFocusableElement = headerFocusables[menuEndIndex + 1];
      }
      
      // Pre-calculate the first element after header - but only if needed
      if (!nextFocusableElement) {
        // Use a more efficient selector that targets immediate children of body that aren't the header
        const selector = 'body > *:not(header)';
        const nonHeaderElements = document.querySelectorAll(selector);
        
        // Only process if we have elements
        if (nonHeaderElements.length > 0) {
          // Create a function to find the first focusable element (used later if needed)
          this.findFirstFocusableAfterHeader = () => {
            for (const element of nonHeaderElements) {
              const focusable = element.querySelector('a:not([tabindex="-1"]), button:not([tabindex="-1"]), input:not([tabindex="-1"]), select:not([tabindex="-1"]), textarea:not([tabindex="-1"]), [tabindex]:not([tabindex="-1"])');
              if (focusable && window.getComputedStyle(focusable).display !== 'none') {
                return focusable;
              }
            }
            return null;
          };
        }
      }
    }
    
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CONCRETE FOUNDATIONS & FOOTINGS

Foundation & Footings Services for Metro Vancouver Projects

Strong, precision-built foundations and footings designed to support residential, commercial, and industrial structures.

Foundation scope aligned with the design, site conditions and required inspections.

Wood footings a top of hard packed subbase and just starting to build foundational walls
STRUCTURAL SUPPORT

Built for the loads above

Precision-built concrete foundations and footings that provide stable load support and long-term structural performance.

DESIGN AND DETAIL

Formed and reinforced to plan

Code-compliant forming, reinforcement, and curing to protect against settlement, moisture intrusion, and structural failure.

SITE COORDINATION

Sequenced with the project

Experienced execution aligned with engineering plans, inspections, and construction timelines from ground prep to pour.

FROM GROUNDWORK TO STRUCTURE

How concrete foundations and footings take shape

Foundation work follows the structural design and the conditions on site. Excavation, layout, reinforcement, placement, curing and cleanup are coordinated with the trades and inspections that follow.

  1. Full lot clearing and grading in progress

    Step 1

    Foundation Excavation

    We handle excavation and structural demo for new foundations or retrofits, including deep digs, underpinning prep, and permit-approved site removals.

    • Foundation excavation
    • Site removal
    • Retrofit footings
  2. foundation-digging-basement-level

    Step 2

    Concrete Foundation Site Prep

    Site prep ensures level grading, soil stabilization, and access for drainage, insulation, and slab features, critical to strong, efficient foundation performance.

    • Site preparation
    • Subbase grading
    • Soil stabilization
  3. Valroc builds complete custom homes, including all of the excavation services for footings and foundations

    Step 3

    Foundation Formwork

    Foundation formwork defines slab shape, height, and load paths, allowing for accurate footings, pad divisions, stairs, and access zones to be precisely set in place.

    • Foundation formwork
    • Footing layout
    • Design elevations
  4. Valroc can work with high tolerance custom footing and foundation contracting.

    Step 4

    Foundation Reinforcement

    Foundation reinforcement includes rebar cages, dowels, and tied grids that prevent cracking, resist movement, and create a solid base for framing and structural work.

    • Rebar placement
    • Structural reinforcement
    • Load-bearing footings
  5. The VALROC team members at the beginning stages of installing a retaining wall footings

    Step 5

    Foundation Placement

    Concrete placement establishes a smooth, solid base using expert pouring, vibration, and timing control for strong, long-lasting structural performance.

    • Concrete placement
    • Foundation pour
    • Pour sequencing
  6. Finished product of our foundation and footings with a poured slab

    Step 6

    Foundation Finishing

    Form stripping and surface prep follow concrete curing, clearing the site for waterproofing, framing, or exterior finishes like stone, brick, or stucco.

    • Concrete curing
    • Form stripping
    • Surface preparation
  7. Large residential footings for a backyard custom concrete patio

    Step 7

    Foundation Cleanup

    Final clean-up removes debris, staging materials, and equipment from the site while confirming the foundation is fully ready for framing or finishing.

    • Site cleanup
    • Trade handoff
    • Foundation completion

THE WORK BELOW THE BUILDING

Why the foundation deserves a defined scope

Properly installed concrete foundations and footings are the structural backbone of any building. The design must respond to the structure above, the ground below and the conditions around the excavation.

LOAD PATH

Support the planned structure

Footing dimensions, reinforcement and concrete requirements follow the approved structural design rather than a one-size-fits-all specification.

SITE CONDITIONS

Address ground and water conditions

Excavation, subbase preparation and drainage interfaces are reviewed against the actual property and the work specified for that site.

PROJECT DELIVERY

Coordinate the handoff

Layout, inspections, concrete placement and curing are sequenced with framing and other connected trades.

DESIGN-LED CHOICES

Specify foundation details around the design

Reinforcement and placement requirements belong in the approved structural scope. Custom dimensions, specialized formwork or mix adjustments should be selected only when the design and site conditions call for them, with the cost and scope shown in the proposal.

Foundation and footing construction support

Included in our service:

  • • Building loads and approved plan review

  • • Excavation to required depths and grades

  • • Footing layout and elevation checks

  • • Formwork and reinforcement installation

  • • Concrete ordering from established suppliers

  • • Concrete placement and consolidation

  • • Specialized equipment and delivery coordination

  • • Engineer or municipal inspection scheduling

  • • Construction records and progress communication

  • • Written scope, warranty and handoff

Design-specific foundation options

Engineered foundation and footing dimensions

Top choice · Structural benefits
Foundation dimensions · Structural loads · Concrete thickness

Custom foundation and footing formwork

Popular option · Flexible foundation layouts
Foundation formwork · Stepped footings · Elevation changes

Concrete mix options for foundation placement

Added value · Improved concrete performance
Foundation concrete · Placement conditions · Concrete performance

Thickness, formwork and additives are not automatic upgrades. They should be evaluated against the drawings, ground conditions, placement conditions and the proposed work before they are added to a contract.

Confirm what the design requires

FOUNDATION INTERFACES

Coordinate the work that meets the foundation

Foundation and footing work connects to walls, framing and slab-on-grade systems. Drainage, utilities and access may also affect the layout, but each adjacent scope must be checked against the drawings and priced separately when applicable.

Related work is not automatically included with the foundation. Confirm each item in the approved drawings and proposal.

  • Valroc excavators clearing residential demolition debris in Metro Vancouver

    Excavation for concrete foundations and footings

    • Foundation excavation
    • Footing preparation
    • Bearing soil

    Foundation excavation establishes the depth, bearing area and working room needed for concrete foundations and footings. Coordinating excavation and concrete work helps keep elevations, access and soil conditions aligned from the start.

    Explore excavation and machine services
  • Excavation site preparation with John Deere excavator and laser rotary measurement tool in use

    Site preparation before foundation construction

    • Foundation site preparation
    • Building pad
    • Construction access

    Clearing, grading and access preparation can make foundation construction safer and more efficient. A prepared building area also helps protect layout points and supports an orderly concrete sequence.

    Explore site preparation services
  • Perimeter foundation drainage installed around footings

    Foundation drainage and waterproofing protection

    • Foundation waterproofing
    • Basement drainage
    • Moisture protection

    Concrete foundations work best when groundwater and surrounding moisture are managed as part of the building system. Drainage and waterproofing can help protect foundation walls, basement spaces and the investment above them.

    Explore foundation drainage and waterproofing
  • Luxury custom home build with lots of amazing features, showing a construction sign of Valroc Development Ltd. showing it's thier construction site

    Concrete foundations for custom home construction

    • Custom home foundation
    • Structural footings
    • Building layout

    A custom home depends on foundations and footings that match the building design, site grades and structural loads. Coordinating the concrete foundation with the home build keeps dimensions, openings and construction sequencing connected.

    Explore custom home construction
  • VALROC Development Ltd. building a backyard detached garage or shop.

    Foundations and footings for detached garages

    • Garage foundation
    • Concrete footings
    • Garage structure

    Detached garages need foundation support suited to the structure, slab and property conditions. Planning the footing layout with the garage design helps align vehicle openings, wall locations and finished floor elevations.

    Explore detached garage construction

DOCUMENTED EXPERIENCE

Foundation and footing experience across Metro Vancouver

VALROC builds concrete foundations and footings for homes, additions, garages, shops and light industrial construction. Our experience helps coordinate excavation, soil conditions, reinforcement, concrete placement and the structure the foundation must support. From custom homes in Brookswood, Willoughby and South Surrey to additions, garages and business projects in Burnaby, Richmond and Vancouver, we are familiar with engineering, inspections and municipal requirements for structural concrete.

DEFINE THE FOUNDATION SCOPE

Plan a foundation and footing estimate

Bring the project drawings, site details and intended use to an onsite discussion. VALROC can then review access, groundwork, concrete requirements and related work before preparing a defined proposal.

  • Share the plans and project goals

    Discuss the structure, location, construction schedule and any known engineering or approval requirements.

  • Review the property

    Check access, grades, existing conditions, excavation needs and interfaces with other work.

  • Receive a defined scope

    Identify included work, selected options, assumptions and any approvals or design details that remain open.

    • What affects the cost of foundations and footings?

    Cost depends on excavation and access, ground conditions, the approved footing and foundation design, reinforcement, concrete volume, forming complexity and related scopes. An onsite review and drawings are needed before a project-specific price is provided.

    What affects the cost of foundations and footings?

    Cost depends on excavation and access, ground conditions, the approved footing and foundation design, reinforcement, concrete volume, forming complexity and related scopes. An onsite review and drawings are needed before a project-specific price is provided.

    Request Your Free On-site Estimate

    BEFORE THE POUR

    Start with the structure, soil and site

    On-site project layout and ground preparation based on terrain and scope are part of a sound foundation plan. Drawings, excavation access, grades, drainage interfaces and inspection points need to be understood before the pour is scheduled.

  • 01

    Review the design and intended loads

    Confirm the plans, footing locations, dimensions and specified reinforcement before defining the concrete scope.

  • 02

    Inspect access and ground conditions

    Review excavation access, existing grades, subbase conditions and work that must be removed or protected.

  • 03

    Coordinate interfaces and inspections

    Identify drainage, utilities, adjacent structures and any required municipal or engineering checks before placement.

  • 04

    Document the proposal

    Separate included foundation work from design-specific options and related scopes so the customer can evaluate the plan.

    • What needs confirmation

    The final foundation layout and reinforcement depend on the approved plans and the conditions found on site. Where engineering, permits or inspections apply, those requirements guide the work.

    What needs confirmation

    The final foundation layout and reinforcement depend on the approved plans and the conditions found on site. Where engineering, permits or inspections apply, those requirements guide the work.

    PRACTICAL ANSWERS

    Questions about concrete foundations and footings

    These questions cover foundation design choices, reinforcement, timing and care. The answers should be checked against project drawings and actual site conditions rather than treated as universal specifications.

    Why choose VALROC Development Ltd. for concrete foundation and footing construction?

    Foundation and footing work requires coordination between excavation, concrete placement, and drainage planning.

    • Foundations are sized and reinforced to match actual structural loads.
    • Drainage and waterproofing are planned as part of the foundation, not added later.
    • Construction sequencing is managed to avoid shortcuts or rushed pours.
    • Materials and methods are selected to perform in British Columbia’s climate.

    VALROC handles foundation work as a complete system rather than a single isolated task.

    Why choose VALROC Development Ltd. for concrete foundation and footing construction?

    Foundation and footing work requires coordination between excavation, concrete placement, and drainage planning.

    • Foundations are sized and reinforced to match actual structural loads.
    • Drainage and waterproofing are planned as part of the foundation, not added later.
    • Construction sequencing is managed to avoid shortcuts or rushed pours.
    • Materials and methods are selected to perform in British Columbia’s climate.

    VALROC handles foundation work as a complete system rather than a single isolated task.

    What type of foundation is best for my project?

    The best foundation type depends on soil conditions, building use, and load requirements.

    • Slab-on-grade foundations are commonly used for garages, shops, and light commercial buildings.
    • Crawl space foundations allow access to services while elevating the structure.
    • Full-depth basements maximize usable space and require reinforced concrete walls.
    • Post and pier systems support decks, porches, and elevated structures.
    • Commercial footings are engineered for heavier loads and equipment.

    VALROC evaluates site conditions and building needs before recommending a foundation approach.

    What type of foundation is best for my project?

    The best foundation type depends on soil conditions, building use, and load requirements.

    • Slab-on-grade foundations are commonly used for garages, shops, and light commercial buildings.
    • Crawl space foundations allow access to services while elevating the structure.
    • Full-depth basements maximize usable space and require reinforced concrete walls.
    • Post and pier systems support decks, porches, and elevated structures.
    • Commercial footings are engineered for heavier loads and equipment.

    VALROC evaluates site conditions and building needs before recommending a foundation approach.

    How does VALROC ensure a strong, durable foundation?

    A strong foundation comes from proper planning, soil preparation, and controlled construction at every stage.

    • Evaluating soil conditions and compacting the site to reduce settlement risk.
    • Using concrete mixes suited to structural loads and local conditions.
    • Installing rebar and formwork accurately to support long-term weight and movement.
    • Incorporating drainage and waterproofing to limit moisture exposure.
    • Managing curing conditions to prevent early cracking or surface weakness.

    VALROC applies these steps consistently so foundations are built for stability, not just initial strength.

    How does VALROC ensure a strong, durable foundation?

    A strong foundation comes from proper planning, soil preparation, and controlled construction at every stage.

    • Evaluating soil conditions and compacting the site to reduce settlement risk.
    • Using concrete mixes suited to structural loads and local conditions.
    • Installing rebar and formwork accurately to support long-term weight and movement.
    • Incorporating drainage and waterproofing to limit moisture exposure.
    • Managing curing conditions to prevent early cracking or surface weakness.

    VALROC applies these steps consistently so foundations are built for stability, not just initial strength.

    How long does it take to install a concrete foundation and footing?

    Foundation timelines vary based on project size, site conditions, and weather.

    • Excavation and site preparation typically take one to three days.
    • Formwork, rebar installation, and concrete pouring usually take one to two days.
    • Curing time ranges from one to four weeks depending on conditions and mix design.
    • Waterproofing and final grading are completed after structural curing.

    VALROC schedules foundation work to balance efficiency with proper curing and inspection requirements.

    How long does it take to install a concrete foundation and footing?

    Foundation timelines vary based on project size, site conditions, and weather.

    • Excavation and site preparation typically take one to three days.
    • Formwork, rebar installation, and concrete pouring usually take one to two days.
    • Curing time ranges from one to four weeks depending on conditions and mix design.
    • Waterproofing and final grading are completed after structural curing.

    VALROC schedules foundation work to balance efficiency with proper curing and inspection requirements.

    How do I maintain my concrete foundation to prevent issues?

    Concrete foundations are durable, but long-term performance depends on proper site maintenance.

    • Ensure surface water drains away from the foundation.
    • Inspect visible areas periodically for cracking or moisture signs.
    • Maintain gutters, downspouts, and grading around the structure.
    • Seal exposed concrete where recommended to limit moisture penetration.

    VALROC builds foundations with these long-term factors in mind to reduce future maintenance concerns.

    How do I maintain my concrete foundation to prevent issues?

    Concrete foundations are durable, but long-term performance depends on proper site maintenance.

    • Ensure surface water drains away from the foundation.
    • Inspect visible areas periodically for cracking or moisture signs.
    • Maintain gutters, downspouts, and grading around the structure.
    • Seal exposed concrete where recommended to limit moisture penetration.

    VALROC builds foundations with these long-term factors in mind to reduce future maintenance concerns.

    METRO VANCOUVER

    Foundation work across Metro Vancouver

    From our Langley construction yard, VALROC constructs foundations and footings for custom homes, garages, shops, additions and structural exterior work. Excavation, layout, forms, reinforcement, concrete delivery and placement are coordinated with approved structural plans, building elevations and required inspections.

    Foundation work in Surrey and White Rock may respond to slopes and retaining conditions, Burnaby infill projects can require controlled access and material delivery, and Delta sites may place added focus on drainage and ground preparation. Each foundation is tied to the structure and property plan it supports.