/*
Theme Name: ISIT-Neperis Industrial
Theme URI: https://www.azit.com
Author: ISIT-Neperis Development Team
Author URI: https://www.azit.com
Description: Custom WordPress theme for ISIT-Neperis with RGAA 4.1.2 accessibility compliance. Migrated from V7.1-RGAA static site maintaining full accessibility features including skip links, ARIA landmarks, keyboard navigation, and WCAG AA color contrast.
Version: 7.1-RGAA-WP
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: Proprietary
License URI: https://www.azit.com/license
Text Domain: azit-industrial
Tags: accessibility-ready, custom-menu, featured-images, translation-ready, two-columns

ISIT-Neperis Industrial is a custom WordPress theme built specifically for ISIT-Neperis's
industrial communication solutions website. It maintains full RGAA 4.1.2
accessibility compliance and provides a robust content management system.

Features:
- RGAA 4.1.2 compliant (65-75%)
- WCAG 2.1 Level AA
- Bilingual support (French/English via WPML)
- Custom post types: Expertise, Products, Training
- Accessible navigation with keyboard support
- Skip links and ARIA landmarks
- Screen reader optimized
*/

/* =============================================================================
   THEME BASE STYLES
   Main stylesheet (main.css) loads after this via functions.php
   ============================================================================= */

/* CSS Custom Properties - Design Tokens */
:root {
    /* ISIT-Neperis Brand Colors */
    --azit-primary: #0056b3;
    --azit-primary-dark: #003d82;
    --azit-primary-light: #4d8fcc;
    --azit-secondary: #28a745;
    --azit-accent: #ffc107;

    /* Neutral Colors */
    --azit-white: #ffffff;
    --azit-gray-100: #f8f9fa;
    --azit-gray-200: #e9ecef;
    --azit-gray-300: #dee2e6;
    --azit-gray-600: #6c757d;
    --azit-gray-800: #343a40;
    --azit-black: #212529;

    /* Accessibility - High Contrast */
    --azit-focus-color: #005fcc;
    --azit-focus-outline: 3px solid var(--azit-focus-color);
    --azit-focus-offset: 2px;

    /* Typography */
    --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.5;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
}

/* Base Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Document */
html {
    font-size: 100%;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--azit-black);
    background-color: var(--azit-white);
}

/* Focus Styles - RGAA Requirement */
:focus {
    outline: var(--azit-focus-outline);
    outline-offset: var(--azit-focus-offset);
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: var(--azit-focus-outline);
    outline-offset: var(--azit-focus-offset);
}

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

.sr-only-focusable:focus,
.sr-only-focusable:active {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: inherit;
}

/* Skip Link - RGAA Criterion 12.7 */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    z-index: 10000;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--azit-primary);
    color: var(--azit-white);
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 4px 0;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
    outline: var(--azit-focus-outline);
    outline-offset: var(--azit-focus-offset);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--azit-gray-800);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

/* Links - WCAG AA Compliant */
a {
    color: var(--azit-primary);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

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

a:focus {
    outline: var(--azit-focus-outline);
    outline-offset: var(--azit-focus-offset);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Lists */
ul, ol {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

/* Buttons */
button,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

button:focus,
.btn:focus {
    outline: var(--azit-focus-outline);
    outline-offset: var(--azit-focus-offset);
}

.btn-primary {
    background-color: var(--azit-primary);
    color: var(--azit-white);
    border-color: var(--azit-primary);
}

.btn-primary:hover {
    background-color: var(--azit-primary-dark);
    border-color: var(--azit-primary-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--azit-primary);
    border-color: var(--azit-primary);
}

.btn-secondary:hover {
    background-color: var(--azit-primary);
    color: var(--azit-white);
}

/* Layout Containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

/* Main Content Area */
main {
    min-height: 60vh;
    padding: var(--spacing-xl) 0;
}

main:focus {
    outline: none;
}

/* Header Styles */
.site-header {
    background-color: var(--azit-white);
    border-bottom: 1px solid var(--azit-gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.site-branding img {
    height: 40px;
    width: auto;
}

/* Navigation */
.main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-lg);
}

.main-navigation a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    color: var(--azit-gray-800);
    font-weight: 500;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.main-navigation a:hover {
    background-color: var(--azit-gray-100);
    color: var(--azit-primary);
}

.main-navigation a[aria-current="page"] {
    background-color: var(--azit-primary);
    color: var(--azit-white);
}

/* Top Navigation */
.top-nav {
    background-color: var(--azit-gray-800);
    color: var(--azit-white);
    padding: var(--spacing-xs) var(--spacing-md);
}

.top-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-md);
    justify-content: flex-end;
    max-width: 1200px;
    margin: 0 auto;
}

.top-nav a {
    color: var(--azit-gray-200);
    text-decoration: none;
    font-size: 0.875rem;
}

.top-nav a:hover {
    color: var(--azit-white);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    padding: var(--spacing-sm);
    cursor: pointer;
}

@media (max-width: 768px) {
    .main-navigation {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--azit-white);
        border-bottom: 1px solid var(--azit-gray-200);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .mobile-navigation:not([hidden]) {
        display: block;
    }

    .mobile-menu-list {
        list-style: none;
        margin: 0;
        padding: var(--spacing-md);
    }

    .mobile-menu-list li {
        border-bottom: 1px solid var(--azit-gray-200);
    }

    .mobile-menu-list a {
        display: block;
        padding: var(--spacing-md);
        text-decoration: none;
        color: var(--azit-gray-800);
    }
}

/* Footer */
.site-footer {
    background-color: var(--azit-gray-800);
    color: var(--azit-gray-200);
    padding: var(--spacing-xxl) var(--spacing-md);
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-navigation ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-lg);
}

.footer-navigation a {
    color: var(--azit-gray-200);
    text-decoration: none;
}

.footer-navigation a:hover {
    color: var(--azit-white);
}

/* Accessibility Badge - RGAA Requirement */
.accessibility-badge {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--azit-gray-600);
}

.accessibility-badge a {
    color: var(--azit-accent);
    text-decoration: underline;
}

.site-info {
    margin-top: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--azit-gray-600);
}

/* Breadcrumb Navigation */
.breadcrumb {
    padding: var(--spacing-md) 0;
    font-size: 0.875rem;
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-sm);
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: var(--spacing-sm);
    color: var(--azit-gray-600);
}

.breadcrumb a {
    color: var(--azit-primary);
}

.breadcrumb [aria-current="page"] {
    color: var(--azit-gray-600);
}

/* Expertise Cards */
.expertise-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
}

.expertise-card {
    background-color: var(--azit-white);
    border: 1px solid var(--azit-gray-200);
    border-radius: 8px;
    padding: var(--spacing-xl);
    transition: box-shadow var(--transition-normal);
}

.expertise-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.expertise-card h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.expertise-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    font-weight: 500;
}

/* Content Area */
.content-area {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.entry-header {
    margin-bottom: var(--spacing-xl);
}

.entry-content {
    font-size: 1.125rem;
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    background-color: var(--azit-gray-100);
    padding: var(--spacing-xxl);
    text-align: center;
    margin-top: var(--spacing-xxl);
    border-radius: 8px;
}

/* Forms - Accessible */
form {
    max-width: 600px;
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    border: 2px solid var(--azit-gray-300);
    border-radius: 4px;
    margin-bottom: var(--spacing-md);
    transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--azit-primary);
    outline: var(--azit-focus-outline);
    outline-offset: var(--azit-focus-offset);
}

/* Error States */
.error input,
.error textarea,
.error select {
    border-color: #dc3545;
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: calc(var(--spacing-md) * -1 + var(--spacing-xs));
    margin-bottom: var(--spacing-md);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xxl);
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: var(--spacing-sm);
    border: 1px solid var(--azit-gray-300);
    border-radius: 4px;
    text-decoration: none;
    color: var(--azit-gray-800);
}

.pagination a:hover {
    background-color: var(--azit-gray-100);
}

.pagination .current {
    background-color: var(--azit-primary);
    color: var(--azit-white);
    border-color: var(--azit-primary);
}

/* Language Switcher */
.language-switcher {
    position: relative;
}

.language-switcher button {
    background: none;
    border: none;
    color: var(--azit-gray-200);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.language-switcher ul {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--azit-white);
    border: 1px solid var(--azit-gray-200);
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    list-style: none;
    margin: 0;
    padding: var(--spacing-sm) 0;
    min-width: 150px;
}

.language-switcher li {
    margin: 0;
}

.language-switcher a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--azit-gray-800);
    text-decoration: none;
}

.language-switcher a:hover {
    background-color: var(--azit-gray-100);
}

.language-switcher a[aria-current="page"] {
    background-color: var(--azit-primary);
    color: var(--azit-white);
}

/* Print Styles */
@media print {
    .skip-link,
    .top-nav,
    .mobile-menu-toggle,
    .mobile-navigation,
    .language-switcher {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    a {
        text-decoration: underline;
        color: #000;
    }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}