/*
Theme Name: DIU Plumbing and Heating 
Theme URI: https://diuplumbingandheating.co.uk/
Description: A lightweight, high-performance custom theme designed for plumbing, heating, and gas engineering service sites.
Author: Custom Developer
Author URI: 
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: diuplumbingandheating
Tags: custom-colors, two-columns, grid-layout, translation-ready, accessibility-ready
*/

/* ==========================================================================
   1. CSS Custom Properties / Root Variables
   ========================================================================== */
:root {
  /* Brand Background Colors */
  --bg-deep-purple-900: #2e1065;
  --deep-bg-color: #1b0642;  
  --bg-purple-900: #4c1d95;
  --bg-purple-800: #5b21b6;

  /* Accent Colors (Buttons, Icons, Highlights) */
  --color-amber-900: #78350f;
  --color-amber-700: #b45309;
  --color-amber-500: #f59e0b; /* Base bright amber */
  --color-amber-400: #fbbf24; /* Lighter bright amber for hovers/highlights */

  /* Text Colors */
  --text-white: #ffffff;
  --text-black: #111827;
  --text-amber: var(--color-amber-500);

  /* Layout & Utility Variables */
  --font-primary: "Segoe UI", system-ui, -apple-system, sans-serif;
  --transition-fast: 0.2s ease-in-out;
  --border-radius: 6px;
}

/* ==========================================================================
   2. Global Reset & Base Styles
   ========================================================================== */
body {
  background-color: var(--bg-deep-purple-900);
  color: var(--text-white);
  font-family: var(--font-primary);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Base Headings */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-white);
  margin-top: 0;
}

/* Base Links */
a {
  color: var(--color-amber-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-amber-400);
}

/* ==========================================================================
   3. Button Styles
   ========================================================================== */
/* Standard Button Base */
.btn,
button,
input[type="submit"] {
  display: inline-block;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

/* Purple Button Variant */
.btn-purple {
  background-color: var(--bg-deep-purple-900);
  color: var(--text-white);
  border: 2px solid var(--bg-purple-900);
}

.btn-purple:hover,
.btn-purple:focus {
  background-color: var(--bg-purple-800);
  color: var(--text-white);
  transform: translateY(-1px);
}

/* Amber Button Variants */
.btn-amber-500 {
  background-color: var(--color-amber-500) !important;
  color: var(--text-black) !important;
}

.btn-amber-500:hover {
  background-color: var(--color-amber-400) !important;
}

.btn-amber-700 {
  background-color: var(--color-amber-700);
  color: var(--text-white);
}

.btn-amber-700:hover {
  background-color: var(--color-amber-500);
}
.bg-deep{
  background-color: var(--deep-bg-color);
}
/* ==========================================================================
   4. Icon & Text Helper Classes
   ========================================================================== */
/* Text Colors */
.text-white { color: var(--text-white) !important; }
.text-black { color: var(--text-black) !important; }
.text-amber { color: var(--color-amber-500) !important; }

/* Background Helpers */
.bg-deep-purple-900 { background-color: var(--bg-deep-purple-900); }
.bg-purple-900 { background-color: var(--bg-purple-900) !important; }

/* Icon Color Helpers */
.icon-amber { color: var(--color-amber-500); }
.icon-white { color: var(--text-white); }

/* ==========================================================================
   5. Top Nav Component Styles
   ========================================================================== */
.top-nav-bar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 0;
}

.top-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.phone-callout {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-white);
}

.phone-link {
  font-weight: 700;
  margin-left: 5px;
  color: var(--color-amber-500);
}

.phone-link:hover {
  text-decoration: underline;
  color: var(--color-amber-400);
}

/* Social Icon Layout & Hover Effects */
.social-icons-wrapper {
  display: flex;
  gap: 12px;
  align-items: center;
}

.social-link {
  display: inline-flex;
  transition: transform var(--transition-fast);
}

.social-link:hover {
  transform: translateY(-2px);
}

.social-icon {
  display: inline-block;
  width: 22px;
  height: 22px;
  color: var(--color-amber-500);
  transition: color var(--transition-fast);
}

.social-link:hover .social-icon {
  color: var(--color-amber-400);
}

.svg-icon {
  width: 100%;
  height: 100%;
  display: block;
}

/* Responsive Hide Rule */
@media (max-width: 768px) {
  .top-nav-container {
    justify-content: center;
  }
  
  .hide-on-mobile {
    display: none;
  }
}

/* ==========================================================================
   6. Main Glass Navigation Configuration
   ========================================================================== */
.diu-modern-glass-nav {
  position: relative;
  width: 100%;
  z-index: 999;
  background: rgba(28, 7, 66, 0.85) !important;
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* Master inner fluid layout wrapper */
.diu-header-inner-flex {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  width: 100%;
  position: relative;
}

/* Desktop Flex Allocation */
@media (min-width: 992px) {
  .diu-logo-column {
    flex: 0 0 30%;
    max-width: 30%;
    display: flex;
    justify-content: flex-start;
  }

  .diu-menu-column {
    flex: 0 0 70%;
    max-width: 70%;
  }
}

/* Shield logo container */
.diu-white-shield-logo {
  display: inline-block;
  max-width: 140px;
  background: rgba(255, 255, 255, 0.95);
  padding: 6px 16px;
  border-radius: var(--border-radius);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-fast);
}

.diu-white-shield-logo:hover {
  transform: translateY(-1px);
}

/* Desktop Centered Menu Links */
.diu-centered-menu-links {
  width: 100%;
  display: flex !important;
  justify-content: center !important;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Navigation Links Base Styling */
.diu-centered-menu-links .nav-item a,
.diu-centered-menu-links li a {
  color: var(--text-white) !important;
  font-family: var(--font-primary);
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-size: 0.95rem;
  padding: 8px 16px !important;
  transition: color var(--transition-fast);
}

/* Hover & Active Page Highlights */
.diu-centered-menu-links .nav-item a:hover,
.diu-centered-menu-links li a:hover,
.diu-centered-menu-links li.current-menu-item > a {
  color: var(--color-amber-500) !important;
}

/* Hamburger Trigger Button Base */
.diu-custom-burger-btn {
  border: 1px solid var(--color-amber-500) !important;
  background: rgba(46, 16, 101, 0.8);
  color: var(--color-amber-500) !important;
  padding: 8px 12px;
  border-radius: var(--border-radius);
  outline: none !important;
  box-shadow: none !important;
}

/* ==========================================================================
   7. Mobile Overlay Dropdown Menu (< 992px)
   ========================================================================== */
@media (max-width: 991.98px) {
  .diu-white-shield-logo {
    display: inline-block;
    max-width: 100px; 
    padding: 4px 10px;
    transition: transform var(--transition-fast);
  }

  .diu-custom-burger-btn {
    border: none !important;
    background: transparent !important;
    font-size: 1.9rem;
    padding: 4px 8px;
  }

  .diu-menu-column.collapse.show,
  .diu-menu-column.collapsing {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 80%;
    background-color: var(--bg-deep-purple-900);
    z-index: 1000;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    margin: 0;
    padding: 12px 0;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.12);
  }

  .diu-centered-menu-links {
    flex-direction: column !important;
    align-items: flex-start !important;
    width: 100%;
    gap: 0 !important;
  }

  .diu-centered-menu-links .nav-item,
  .diu-centered-menu-links li {
    width: 100%;
  }

  .diu-centered-menu-links .nav-item a,
  .diu-centered-menu-links li a {
    display: block;
    width: 100%;
    padding: 12px 20px !important;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .diu-centered-menu-links li:last-child a {
    border-bottom: none;
  }
}

/* ==========================================================================
   Master Footer Component Styles
   ========================================================================== */
.diu-master-footer {
  background-color: var(--bg-deep-purple-900);
  color: var(--text-white);
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Upper CTA Banner */
.diu-footer-cta-banner {
  background: rgba(76, 29, 149, 0.45);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius);
  padding: 30px;
  max-width: 1400px;
  margin: 0 auto 30px;
}

.diu-cta-text-wrap h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--text-white);
}

.diu-cta-text-wrap p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
}

.diu-footer-divider {
  border-color: rgba(255, 255, 255, 0.1);
  margin: 30px 0;
}

/* Footer Main Grid */
.diu-footer-main-grid {
  background-color: var(--deep-bg-color);
  padding: 20px 0 40px;
}

.diu-footer-widget-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-amber-500);
  margin-bottom: 20px;
}

.diu-brand-blurb {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.diu-footer-geo-location p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 6px;
}

.diu-map-sliding-link:hover {
  text-decoration: underline;
  color: var(--color-amber-400) !important;
}

/* Contact Nodes */
.diu-contact-nodes-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.diu-phone-row-node,
.diu-email-row-node {
  display: inline-flex;
  align-items: center;
  color: var(--text-white);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.diu-phone-row-node:hover,
.diu-email-row-node:hover {
  color: var(--color-amber-500);
}

/* Footer Sliding Menu Links */
.diu-footer-sliding-menu {
  padding: 0;
  margin: 0;
}

.diu-footer-sliding-menu li {
  margin-bottom: 10px;
}

.diu-footer-sliding-menu li a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.diu-footer-sliding-menu li a:hover {
  color: var(--color-amber-500);
  padding-left: 6px;
}

/* Base Credits Bar & Social Icons */
.diu-footer-bottom-bar {
  background-color: var(--deep-bg-color);
  padding: 20px 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.diu-footer-socials {
  display: flex;
  gap: 16px;
}

.diu-footer-socials a {
  color: var(--text-white);
  font-size: 1.1rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.diu-footer-socials a:hover {
  color: var(--color-amber-500);
  transform: translateY(-2px);
}
/* ==========================================================================
   Global Container System (Matches Standard Bootstrap Container)
   ========================================================================== */
.site-container {
  width: 100%;
  max-width: 1140px; /* Standard Bootstrap Container width */
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 15px;
  padding-right: 15px;
}

@media (min-width: 1400px) {
  .site-container {
    max-width: 1200px;
  }
}