/*
Theme Name: EDG Management School
Description: Thème WordPress personnalisé pour EDG Management School - École de formation en banque, finance et assurance au Gabon
Author: EDG Management School
Version: 1.0.0
Text Domain: edgschool
Domain Path: /languages
Requires at least: 5.0
Tested up to: 6.5
Requires PHP: 7.4
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Tags: education, business, responsive, custom-post-types, custom-colors, custom-logo, custom-menu, featured-images, flexible-header, full-width-template, sticky-post, theme-options, threaded-comments, translation-ready
*/

/* Variables CSS */
:root {
    /* Couleurs principales */
    --color-primary: #003366;     /* Bleu foncé */
    --color-secondary: #FFD700;   /* Or */
    --color-white: #FFFFFF;       /* Blanc */
    --color-text: #333333;        /* Texte principal */
    --color-text-light: #666666;  /* Texte secondaire */
    --color-border: #E0E0E0;      /* Bordures */
    --color-bg-light: #F8F9FA;    /* Arrière-plan clair */
    
    /* Dégradés */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, #004080 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, #E6C200 100%);
    
    /* Typographie */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-headings: 'Playfair Display', Georgia, serif;
    
    /* Tailles de police */
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    
    /* Espacements */
    --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 */
    
    /* Breakpoints */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;
    
    /* Ombres */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Reset et base */
* {
    box-sizing: border-box;
}

html {
    font-size: 100%;
    line-height: 1.6;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 var(--spacing-md);
    color: var(--color-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover,
a:focus {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Grille */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -var(--spacing-sm);
}

.col {
    flex: 1;
    padding: 0 var(--spacing-sm);
}

.col-12 { flex: 0 0 100%; }
.col-6 { flex: 0 0 50%; }
.col-4 { flex: 0 0 33.333333%; }
.col-3 { flex: 0 0 25%; }

/* Boutons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    line-height: 1.5;
}

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

.btn-primary:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
    text-decoration: none;
}

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

.btn-secondary:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-primary);
    text-decoration: none;
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
}

/* Cards */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
    margin-bottom: var(--spacing-lg);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--spacing-lg);
    background: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
}

/* Utilitaires */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-white { color: var(--color-white); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-light { background-color: var(--color-bg-light); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* Responsive */
@media (max-width: 767px) {
    .col-6,
    .col-4,
    .col-3 {
        flex: 0 0 100%;
    }
    
    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); }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease;
}

.slide-in-up {
    animation: slideInUp 0.6s ease;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease;
}

.slide-in-right {
    animation: slideInRight 0.6s ease;
}

/* Préloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.preloader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* WordPress Core */
.alignleft {
    float: left;
    margin: 0 var(--spacing-lg) var(--spacing-lg) 0;
}

.alignright {
    float: right;
    margin: 0 0 var(--spacing-lg) var(--spacing-lg);
}

.aligncenter {
    display: block;
    margin: 0 auto var(--spacing-lg);
}

.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-align: center;
    margin-top: var(--spacing-sm);
}

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

.gallery-item {
    display: inline-block;
    vertical-align: top;
    margin: 0 var(--spacing-sm) var(--spacing-sm) 0;
}

/* Skip link */
.skip-link {
    position: absolute;
    left: -9999px;
    top: -9999px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    z-index: 999999;
}

.skip-link:focus {
    left: 0;
    top: 0;
}

/* Focus styles */
:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}