/*
* IMALLAN Solutions - CSS modernisé
* Thème: Formation et Coaching professionnel
* Palette de couleurs vive et dynamique
*/

/*--------------------------------------------------------------
# Variables et Reset
--------------------------------------------------------------*/
:root {
    /* Palette de couleurs principale */
    --primary: #1f90cf  ; /* Orange vif au lieu du bleu */
    --primary-dark: #E85D2F;
    --primary-light: rgba(255, 107, 53, 0.1);
    
    --secondary: #2E4057; /* Bleu foncé */
    --secondary-dark: #1D2A3A;
    --secondary-light: rgba(46, 64, 87, 0.1);
    
    --accent: #3BCEAC; /* Turquoise/vert */
    --accent-dark: #30A48A;
    --accent-light: rgba(59, 206, 172, 0.1);
    
    --highlight: #FFD23F; /* Jaune */
    --highlight-dark: #EFBE30;
    
    /* Couleurs neutres */
    --dark: #1A1A2E;
    --gray-dark: #4A4A68;
    --gray: #83839C;
    --gray-light: #CACADE;
    --light: #F5F5FA;
    --white: #FFFFFF;
    
    /* Couleurs fonctionnelles */
    --success: #3BCEAC;
    --warning: #FFD23F;
    --danger: #FF6B6B;
    --info: #4EA8DE;
    
    /* Typographie */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Playfair Display', serif;
    
    /* Espacement */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Ombres */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* Bordures */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-xxl: 32px;
    --border-radius-round: 999px;
}

/* Reset global */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--light);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

section {
    position: relative;
    padding: 5rem 0;
    overflow: hidden;
}

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

/* Typographie */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    color: var(--secondary);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

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

/* Éléments de section */
.section-header {
    margin-bottom: var(--spacing-xxl);
}

.section-subtitle {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: var(--border-radius-round);
}

.text-center .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/*--------------------------------------------------------------
# Boutons
--------------------------------------------------------------*/
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
    cursor: pointer;
    text-align: center;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    z-index: -1;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.btn:hover::before {
    transform: translateY(0);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(46, 64, 87, 0.3);
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(46, 64, 87, 0.4);
}

.btn-accent {
    background-color: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(59, 206, 172, 0.3);
}

.btn-accent:hover {
    background-color: var(--accent-dark);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(59, 206, 172, 0.4);
}

.btn-white {
    background-color: var(--white);
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
}

.btn-link {
    background-color: transparent;
    color: var(--primary);
    padding: 0.5rem;
    display: inline-flex;
    align-items: center;
    font-weight: 600;
}

.btn-link i {
    margin-left: var(--spacing-xs);
    transition: var(--transition-normal);
}

.btn-link:hover {
    color: var(--primary-dark);
}

.btn-link:hover i {
    transform: translateX(5px);
}

/*--------------------------------------------------------------
# Préchargeur
--------------------------------------------------------------*/
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.preloader-logo {
    animation: pulse 2s infinite;
}

.preloader-spinner {
    display: flex;
    gap: 8px;
}

.spinner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--primary);
    opacity: 0;
}

.spinner-dot-1 {
    animation: fade 1.5s infinite;
}

.spinner-dot-2 {
    animation: fade 1.5s infinite 0.5s;
}

.spinner-dot-3 {
    animation: fade 1.5s infinite 1s;
}

@keyframes fade {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.preloader.hide {
    opacity: 0;
    visibility: hidden;
}

/*--------------------------------------------------------------
# Header
--------------------------------------------------------------*/
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: var(--transition-normal);
    background-color: #ffffff;
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: flex;
    align-items: center;
}

.site-logo .logo {
    height: 50px;
    transition: var(--transition-normal);
}

.site-header.scrolled .site-logo .logo {
    height: 40px;
}

/* Navigation principale */
.main-navigation {
    display: flex;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--secondary);
    font-weight: 600;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition-normal);
}

.nav-item:hover .nav-link::after,
.nav-item.active .nav-link::after {
    width: 100%;
}

.nav-item.active .nav-link {
    color: var(--primary);
}

.nav-item.has-dropdown {
    position: relative;
}

.dropdown-panel {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    width: 800px;
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    visibility: hidden;
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 10;
}

.dropdown-panel-sm {
    width: 300px;
}

.nav-item.has-dropdown:hover .dropdown-panel {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(10px);
}

.dropdown-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.panel-column {
    flex: 1;
    min-width: 200px;
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-light);
    color: var(--secondary);
}

.panel-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.panel-links li a {
    color: var(--gray-dark);
    font-weight: 500;
    transition: var(--transition-normal);
    display: block;
    padding: var(--spacing-xs) 0;
}

.panel-links li a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.panel-action {
    width: 100%;
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-light);
}

.panel-links-column {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Menu mobile */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 101;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--secondary);
    border-radius: var(--border-radius-round);
    transition: var(--transition-normal);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--dark) 100%);
    z-index: 100;
    transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-inner {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.mobile-logo img {
    height: 40px;
    filter: brightness(0) invert(1);
}

.mobile-menu-close {
    background-color: transparent;
    border: none;
    width: 30px;
    height: 30px;
    position: relative;
    cursor: pointer;
}

.mobile-menu-close span {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--white);
    border-radius: var(--border-radius-round);
}

.mobile-menu-close span:first-child {
    transform: translateY(-50%) rotate(45deg);
}

.mobile-menu-close span:last-child {
    transform: translateY(-50%) rotate(-45deg);
}

.mobile-navigation {
    flex: 1;
}

.mobile-nav-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-nav-item {
    position: relative;
}

.mobile-nav-link {
    color: var(--white);
    font-weight: 500;
    font-size: 1.1rem;
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-nav-item.active .mobile-nav-link {
    color: var(--primary);
}

.dropdown-icon {
    width: 20px;
    height: 20px;
    position: relative;
}

.dropdown-icon::before,
.dropdown-icon::after {
    content: '';
    position: absolute;
    background-color: var(--white);
    transition: var(--transition-normal);
}

.dropdown-icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

.dropdown-icon::after {
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

.mobile-nav-item.open .dropdown-icon::after {
    transform: translateX(-50%) scaleY(0);
}

.mobile-nav-item.active .dropdown-icon::before,
.mobile-nav-item.active .dropdown-icon::after {
    background-color: var(--primary);
}

.mobile-submenu {
    display: none;
    padding-left: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.mobile-nav-item.open .mobile-submenu {
    display: block;
}

.mobile-submenu li {
    margin-bottom: var(--spacing-sm);
}

.mobile-submenu li a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    padding: var(--spacing-xs) 0;
    display: block;
    transition: var(--transition-normal);
}

.mobile-submenu li a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.mobile-menu-footer {
    margin-top: auto;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.mobile-contact-link {
    color: var(--white);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
}

.mobile-contact-link i {
    color: var(--primary);
    font-size: 1.2rem;
}

.mobile-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition-normal);
}

.social-icon:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

/* Adaptations pour mobile */
@media (max-width: 991px) {
    .main-navigation {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .site-header {
        padding: 1rem 0;
    }
    
    .site-header.scrolled {
        padding: 0.5rem 0;
    }
}

/*--------------------------------------------------------------
# Footer
--------------------------------------------------------------*/
.site-footer {
    background-color: var(--secondary);
    color: var(--light);
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    margin-bottom: var(--spacing-lg);
}

.footer-logo img {
    height: 50px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-title {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary);
    border-radius: var(--border-radius-round);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-normal);
    display: block;
    padding: var(--spacing-xs) 0;
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.contact-info li i {
    color: var(--primary);
    font-size: 1.25rem;
    margin-top: 4px;
}

.contact-info li span {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright p {
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
}

.legal-links {
    display: flex;
    gap: var(--spacing-xl);
}

.legal-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.legal-links a:hover {
    color: var(--primary);
}

@media (max-width: 767px) {
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

/*--------------------------------------------------------------
# Newsletter
--------------------------------------------------------------*/
.newsletter-section {
    background-color: var(--light);
    padding: var(--spacing-xxl) 0;
}

.newsletter-inner {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.newsletter-content {
    flex: 1;
    min-width: 300px;
}

.newsletter-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.newsletter-description {
    color: var(--gray);
    margin-bottom: 0;
}

.newsletter-form {
    flex: 1;
    min-width: 300px;
}

.newsletter-form .form-group {
    display: flex;
}

.newsletter-form .form-control {
    flex: 1;
    height: 55px;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius-round) 0 0 var(--border-radius-round);
    padding: 0 var(--spacing-lg);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.newsletter-form .form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.newsletter-form .btn {
    border-radius: 0 var(--border-radius-round) var(--border-radius-round) 0;
    height: 55px;
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
}

/*--------------------------------------------------------------
# Scroll to top
--------------------------------------------------------------*/
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/*--------------------------------------------------------------
# Formes géométriques
--------------------------------------------------------------*/
.shape {
    position: absolute;
    z-index: -1;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

/*--------------------------------------------------------------
# Icônes
--------------------------------------------------------------*/
[class^="icon-"] {
    display: inline-block;
    width: 1em;
    height: 1em;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* Polyfill pour les navigateurs qui ne supportent pas les grilles */
@supports not (display: grid) {
    .footer-main, .formations-grid, .services-grid {
        display: flex;
        flex-wrap: wrap;
    }
    
    .footer-column, .formation-card, .service-card {
        flex: 1 0 300px;
        margin: 15px;
    }
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}