/* ==========================================================================
   ERESSIRA - CSS Principal
   ========================================================================== */

/* Variables CSS */
:root {
    /* Couleurs principales basées sur le logo */
    --primary-color: #1e3a8a;        /* Bleu principal */
    --secondary-color: #f59e0b;      /* Orange/Jaune */
    --accent-color: #ef4444;         /* Rouge accent */
    --dark-blue: #0f172a;           /* Bleu foncé */
    --light-blue: #3b82f6;          /* Bleu clair */
    
    /* Couleurs neutres */
    --white: #ffffff;
    --light-gray: #f8fafc;
    --gray: #64748b;
    --dark-gray: #334155;
    --black: #0f172a;
    
    /* Couleurs de statut */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Typographie */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Tailles de police */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */
    
    /* 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 */
    
    /* Rayons de bordure */
    --radius-sm: 0.25rem;    /* 4px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: all 0.15s ease-in-out;
    --transition-normal: all 0.3s ease-in-out;
    --transition-slow: all 0.5s ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Sélection de texte */
::selection {
    background-color: var(--secondary-color);
    color: var(--white);
}

::-moz-selection {
    background-color: var(--secondary-color);
    color: var(--white);
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-blue);
}

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

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

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

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

a:hover {
    color: var(--secondary-color);
}

/* Utilitaires de conteneur */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

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

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

.col-2 { flex: 0 0 16.666667%; }
.col-3 { flex: 0 0 25%; }
.col-4 { flex: 0 0 33.333333%; }
.col-6 { flex: 0 0 50%; }
.col-8 { flex: 0 0 66.666667%; }
.col-9 { flex: 0 0 75%; }
.col-12 { flex: 0 0 100%; }

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-secondary);
    font-size: var(--text-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.2);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Bouton primaire */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--light-blue) 100%);
    color: var(--white);
    border-color: var(--primary-color);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Bouton secondaire */
.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
    color: var(--white);
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Tailles de boutons */
.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--text-lg);
}

/* Bouton pleine largeur */
.btn-block {
    width: 100%;
    display: flex;
}

/* Sections communes */
section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--secondary-color), #fbbf24);
    color: var(--white);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--text-4xl);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================================================== 
   PRELOADER
   ========================================================================== */

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: var(--transition-slow);
}

.preloader-content {
    text-align: center;
    color: var(--white);
}

.logo-animation {
    margin-bottom: var(--spacing-xl);
    animation: pulse 2s infinite;
}

.logo-animation img {
    width: 80px;
    height: 80px;
    filter: brightness(0) invert(1);
}

.loading-text {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-secondary);
}

.progress-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), #fbbf24);
    border-radius: var(--radius-full);
    width: 0%;
    animation: loading 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes loading {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

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

/* ========================================================================== 
   HEADER & NAVIGATION
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(30, 58, 138, 0.1);
    z-index: var(--z-fixed);
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar {
    padding: var(--spacing-md) 0;
}

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

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.logo-img {
    width: 40px;
    height: 40px;
    transition: var(--transition-normal);
}

.logo-link:hover .logo-img {
    transform: scale(1.1);
}

.logo-text {
    font-family: var(--font-secondary);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
    color: var(--dark-gray);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link i {
    font-size: var(--text-sm);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(30, 58, 138, 0.05);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Mega Menu */
.mega-menu {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.mega-menu-content {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--spacing-2xl);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: var(--z-dropdown);
    margin-top: var(--spacing-md);
}

.mega-menu:hover .mega-menu-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.mega-menu-column h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-base);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(30, 58, 138, 0.1);
}

.mega-menu-column ul {
    list-style: none;
}

.mega-menu-column li {
    margin-bottom: var(--spacing-sm);
}

.mega-menu-column a {
    display: block;
    padding: var(--spacing-sm);
    color: var(--gray);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    font-size: var(--text-sm);
}

.mega-menu-column a:hover {
    color: var(--primary-color);
    background: rgba(30, 58, 138, 0.05);
    transform: translateX(4px);
}

/* CTA Button */
.nav-cta {
    margin-left: var(--spacing-lg);
}

.cta-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
    color: var(--white);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.cta-btn:hover::before {
    left: 100%;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-toggle:hover {
    background: rgba(30, 58, 138, 0.05);
}

.toggle-bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 2px 0;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.nav-toggle.active .toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ========================================================================== 
   HERO SECTION
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="rgba(245,158,11,0.3)"/><circle cx="90" cy="20" r="1.5" fill="rgba(245,158,11,0.4)"/><circle cx="30" cy="80" r="1" fill="rgba(245,158,11,0.3)"/><circle cx="70" cy="70" r="1.2" fill="rgba(245,158,11,0.5)"/><circle cx="50" cy="30" r="0.8" fill="rgba(245,158,11,0.3)"/></svg>') repeat;
    animation: float 20s infinite linear;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 70%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-secondary);
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
}

.title-highlight {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--text-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    color: rgba(255, 255, 255, 0.9);
    opacity: 0;
    transform: translateY(30px);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 0;
    transform: translateY(30px);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--secondary-color);
    font-family: var(--font-secondary);
}

.stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-xs);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    opacity: 0;
    transform: translateY(30px);
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-image {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-icons {
    position: relative;
    width: 100%;
    height: 100%;
}

.tech-icon {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: var(--white);
    transition: var(--transition-normal);
}

.tech-icon:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

.ai-icon {
    top: 10%;
    left: 10%;
    color: var(--secondary-color);
    animation: float 6s ease-in-out infinite;
}

.web-icon {
    top: 10%;
    right: 10%;
    color: var(--light-blue);
    animation: float 6s ease-in-out infinite 1.5s;
}

.mobile-icon {
    bottom: 10%;
    left: 10%;
    color: var(--accent-color);
    animation: float 6s ease-in-out infinite 3s;
}

.cloud-icon {
    bottom: 10%;
    right: 10%;
    color: var(--info);
    animation: float 6s ease-in-out infinite 4.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    animation: bounce 2s infinite;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    margin: 0 auto var(--spacing-sm);
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

.scroll-text {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll-wheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

/* ========================================================================== 
   SERVICES SECTION
   ========================================================================== */

.services {
    background: var(--light-gray);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(180deg, var(--primary-color) 0%, transparent 100%);
    transform: skewY(-1deg);
    transform-origin: top left;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(30, 58, 138, 0.1);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 138, 0.05), transparent);
    transition: var(--transition-slow);
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service-card.featured {
    border: 2px solid var(--secondary-color);
    background: linear-gradient(135deg, var(--white) 0%, rgba(245, 158, 11, 0.02) 100%);
}

.service-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--light-blue) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-title {
    font-size: var(--text-xl);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-secondary);
}

.service-description {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--gray);
    font-size: var(--text-sm);
}

.service-features i {
    color: var(--success);
    font-size: var(--text-xs);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
}

.service-link:hover {
    color: var(--secondary-color);
    transform: translateX(4px);
}

.services-cta {
    text-align: center;
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.services-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.02) 0%, rgba(245, 158, 11, 0.02) 100%);
    z-index: 1;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h3 {
    font-size: var(--text-2xl);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: var(--gray);
    margin-bottom: var(--spacing-xl);
    font-size: var(--text-lg);
}

.cta-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================================================== 
   AI EXPERTISE SECTION
   ========================================================================== */

.ai-expertise {
    background: var(--dark-blue);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.ai-expertise::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.ai-expertise .container {
    position: relative;
    z-index: 2;
}

.ai-expertise .section-subtitle {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
}

.ai-expertise .section-title {
    color: var(--white);
}

.ai-expertise .section-title::after {
    background: linear-gradient(90deg, var(--secondary-color), #fbbf24);
}

.ai-expertise .section-description {
    color: rgba(255, 255, 255, 0.8);
}

.ai-content {
    margin-bottom: var(--spacing-3xl);
}

.ai-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.ai-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-brain {
    width: 300px;
    height: 300px;
    position: relative;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.neural-network {
    position: relative;
    width: 200px;
    height: 200px;
}

.neuron {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--secondary-color);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
    animation: pulse-neuron 2s infinite;
}

.neuron:nth-child(1) { top: 20%; left: 20%; animation-delay: 0s; }
.neuron:nth-child(2) { top: 20%; right: 20%; animation-delay: 0.4s; }
.neuron:nth-child(3) { bottom: 20%; left: 20%; animation-delay: 0.8s; }
.neuron:nth-child(4) { bottom: 20%; right: 20%; animation-delay: 1.2s; }
.neuron:nth-child(5) { top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: 1.6s; }

@keyframes pulse-neuron {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.ai-info h3 {
    font-size: var(--text-2xl);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.ai-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.ai-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.ai-stat {
    text-align: center;
}

.ai-stat .stat-number {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--secondary-color);
    font-family: var(--font-secondary);
}

.ai-stat .stat-text {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-xs);
}

.ai-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.ai-service {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
}

.ai-service:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--secondary-color);
}

.ai-service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.ai-service h4 {
    font-size: var(--text-lg);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.ai-service p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.ai-service ul {
    list-style: none;
}

.ai-service li {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
}

.ai-service li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

.ai-technologies {
    text-align: center;
}

.ai-technologies h3 {
    font-size: var(--text-2xl);
    color: var(--white);
    margin-bottom: var(--spacing-xl);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-item:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--secondary-color);
}

.tech-item img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
    transition: var(--transition-normal);
}

.tech-item:hover img {
    filter: none;
}

.tech-item span {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-sm);
    font-weight: 500;
}

/* ========================================================================== 
   FORMATION SECTION
   ========================================================================== */

.formation {
    background: var(--white);
    position: relative;
}

.formation-content {
    max-width: 1000px;
    margin: 0 auto;
}

.formation-categories {
    background: var(--light-gray);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.formation-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
    justify-content: center;
}

.formation-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--white);
    color: var(--gray);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.formation-tab:hover,
.formation-tab.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(30, 58, 138, 0.05);
}

.formation-content-tab {
    display: none;
}

.formation-content-tab.active {
    display: block;
}

.formation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.formation-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.formation-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.formation-card.premium {
    border-color: var(--secondary-color);
    background: linear-gradient(135deg, var(--white) 0%, rgba(245, 158, 11, 0.02) 100%);
}

.formation-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.formation-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.formation-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--light-blue) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    color: var(--white);
    margin: 0 auto var(--spacing-md);
}

.formation-card h3 {
    font-size: var(--text-xl);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.formation-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.price {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--primary-color);
    font-family: var(--font-secondary);
}

.duration {
    background: var(--light-gray);
    color: var(--gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
}

.formation-body p {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.formation-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.formation-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--gray);
    font-size: var(--text-sm);
}

.formation-features i {
    color: var(--success);
    font-size: var(--text-xs);
}

.formation-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
}

.formation-stats .stat {
    text-align: center;
}

.formation-stats .stat-number {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-secondary);
}

.formation-stats .stat-label {
    font-size: var(--text-xs);
    color: var(--gray);
    margin-top: var(--spacing-xs);
}

.formation-footer {
    text-align: center;
}

.formation-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
    color: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
    text-align: center;
}

.formation-cta .cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.cta-text h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.cta-text p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.cta-actions {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* ========================================================================== 
   PORTFOLIO SECTION
   ========================================================================== */

.portfolio {
    background: var(--light-gray);
    position: relative;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--white);
    color: var(--gray);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(30, 58, 138, 0.05);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.portfolio-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 58, 138, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-actions {
    display: flex;
    gap: var(--spacing-md);
}

.portfolio-view,
.portfolio-link {
    width: 50px;
    height: 50px;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-normal);
}

.portfolio-view:hover,
.portfolio-link:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: scale(1.1);
}

.portfolio-content {
    padding: var(--spacing-xl);
}

.portfolio-category {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.portfolio-title {
    font-size: var(--text-xl);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.portfolio-description {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.portfolio-tech {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tech-tag {
    background: var(--light-gray);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
}

.portfolio-cta {
    text-align: center;
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-lg);
}

.portfolio-cta h3 {
    font-size: var(--text-2xl);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.portfolio-cta p {
    color: var(--gray);
    margin-bottom: var(--spacing-xl);
    font-size: var(--text-lg);
}

/* ========================================================================== 
   ABOUT SECTION
   ========================================================================== */

.about {
    background: var(--white);
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.about-text .section-header {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.about-text .section-title::after {
    left: 0;
    transform: none;
}

.about-description {
    font-size: var(--text-lg);
    line-height: 1.7;
    color: var(--gray);
    margin-bottom: var(--spacing-2xl);
}

.about-values {
    margin-bottom: var(--spacing-2xl);
}

.value-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    align-items: flex-start;
}

.value-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--light-blue) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    color: var(--white);
    flex-shrink: 0;
}

.value-content h4 {
    font-size: var(--text-lg);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
}

.value-content p {
    color: var(--gray);
    margin: 0;
    line-height: 1.6;
}

.about-visual {
    position: relative;
}

.about-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-stats {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    flex: 1;
    box-shadow: var(--shadow-md);
}

.stat-card .stat-number {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--primary-color);
    font-family: var(--font-secondary);
}

.stat-card .stat-label {
    font-size: var(--text-xs);
    color: var(--gray);
    margin-top: var(--spacing-xs);
}

.team-section {
    margin-top: var(--spacing-3xl);
}

.team-title {
    text-align: center;
    font-size: var(--text-2xl);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-2xl);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.team-member {
    background: var(--light-gray);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.team-member:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.member-image {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-social {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: var(--transition-normal);
}

.team-member:hover .member-social {
    opacity: 1;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.member-info h4 {
    font-size: var(--text-lg);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-xs);
}

.member-role {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
}

.member-description {
    color: var(--gray);
    font-size: var(--text-sm);
    line-height: 1.5;
}

/* ========================================================================== 
   TESTIMONIALS SECTION
   ========================================================================== */

.testimonials {
    background: var(--light-gray);
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.testimonial-stars {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.testimonial-stars i {
    color: var(--secondary-color);
    font-size: var(--text-sm);
}

.testimonial-text {
    color: var(--gray);
    font-style: italic;
    line-height: 1.7;
    font-size: var(--text-lg);
    position: relative;
}

.testimonial-text::before {
    content: '"';
    font-size: var(--text-4xl);
    color: var(--secondary-color);
    position: absolute;
    top: -10px;
    left: -10px;
    font-family: serif;
}

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

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
}

.author-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-name {
    font-size: var(--text-lg);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-xs);
}

.author-position {
    color: var(--gray);
    font-size: var(--text-sm);
}

/* ========================================================================== 
   CONTACT SECTION
   ========================================================================== */

.contact {
    background: var(--white);
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: flex-start;
}

.contact-info h3 {
    font-size: var(--text-2xl);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    color: var(--gray);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.contact-methods {
    margin-bottom: var(--spacing-2xl);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.contact-method:hover {
    background: rgba(30, 58, 138, 0.05);
    transform: translateX(4px);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--light-blue) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    color: var(--white);
    flex-shrink: 0;
}

.method-info h4 {
    font-size: var(--text-base);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-xs);
}

.method-info p {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.method-info span {
    color: var(--gray);
    font-size: var(--text-sm);
}

.social-links h4 {
    font-size: var(--text-lg);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

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

.social-icon {
    width: 50px;
    height: 50px;
    background: var(--light-gray);
    color: var(--primary-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-normal);
    font-size: var(--text-lg);
}

.social-icon:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Formulaire de contact */
.contact-form {
    background: var(--light-gray);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
}

.form-col {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form label {
    color: var(--dark-blue);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
}

.form input,
.form select,
.form textarea {
    padding: var(--spacing-md);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    background: var(--white);
    color: var(--dark-gray);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form input::placeholder,
.form textarea::placeholder {
    color: var(--gray);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    margin: 0;
    accent-color: var(--primary-color);
}

.form-checkbox label {
    margin: 0;
    font-size: var(--text-sm);
    line-height: 1.5;
    cursor: pointer;
}

.form-checkbox a {
    color: var(--primary-color);
    text-decoration: underline;
}

.form-actions {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.form-note {
    margin-top: var(--spacing-md);
    color: var(--gray);
    font-size: var(--text-sm);
}

/* ========================================================================== 
   QUOTE REQUEST SECTION
   ========================================================================== */

.quote-request {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.quote-request::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 70%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.quote-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.quote-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.quote-header h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.quote-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-lg);
}

.quote-calculator {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.calculator-step {
    display: none;
    text-align: center;
}

.calculator-step.active {
    display: block;
}

.calculator-step h3 {
    color: var(--white);
    margin-bottom: var(--spacing-xl);
    font-size: var(--text-2xl);
}

.project-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.project-type {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
}

.project-type:hover,
.project-type.selected {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--secondary-color);
    transform: translateY(-4px);
}

.type-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    color: var(--white);
    margin: 0 auto var(--spacing-md);
}

.project-type h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-lg);
}

.project-type p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    margin: 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-normal);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.feature-item input[type="checkbox"] {
    accent-color: var(--secondary-color);
    transform: scale(1.2);
}

.feature-item label {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-sm);
    cursor: pointer;
}

.timeline-options {
    margin-bottom: var(--spacing-2xl);
}

.timeline-options h4 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.timeline-option {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
}

.timeline-option:hover,
.timeline-option.selected {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--secondary-color);
}

.timeline-duration {
    display: block;
    color: var(--white);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-price {
    color: var(--secondary-color);
    font-size: var(--text-sm);
    font-weight: 500;
}

.price-estimate {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

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

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.breakdown-item:last-child {
    border-bottom: none;
}

.item-name {
    color: rgba(255, 255, 255, 0.8);
}

.item-price {
    color: var(--white);
    font-weight: 600;
}

.breakdown-total {
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.total-label {
    color: var(--white);
    font-size: var(--text-lg);
    font-weight: 600;
}

.total-price {
    color: var(--secondary-color);
    font-size: var(--text-2xl);
    font-weight: 800;
    font-family: var(--font-secondary);
}

.estimate-actions {
    text-align: center;
}

.estimate-note {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    margin-top: var(--spacing-md);
    text-align: center;
}

.calculator-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-2xl);
}

.calculator-progress {
    margin-top: var(--spacing-xl);
}

.progress-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), #fbbf24);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

.progress-steps {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.progress-steps .step {
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
    transition: var(--transition-normal);
}

.progress-steps .step.active {
    background: var(--secondary-color);
    color: var(--white);
}

/* ========================================================================== 
   FOOTER
   ========================================================================== */

.footer {
    background: var(--dark-blue);
    color: var(--white);
    position: relative;
}

.footer-main {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    font-size: var(--text-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

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

.footer-logo-text {
    font-family: var(--font-secondary);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--white);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.footer-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-stat {
    text-align: center;
}

.footer-stat .stat-number {
    font-size: var(--text-lg);
    font-weight: 800;
    color: var(--secondary-color);
    font-family: var(--font-secondary);
}

.footer-stat .stat-label {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-xs);
}

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

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--secondary-color);
    border-radius: var(--radius-full);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: var(--text-sm);
}

.footer-links a:hover {
    color: var(--secondary-color);
    transform: translateX(4px);
    display: inline-block;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-sm);
}

.contact-item i {
    color: var(--secondary-color);
    width: 16px;
    text-align: center;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-item a:hover {
    color: var(--secondary-color);
}

.newsletter h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-base);
}

.newsletter p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: var(--text-sm);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-normal);
}

.newsletter-form button:hover {
    background: #fbbf24;
    transform: scale(1.05);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--secondary-color);
}

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

.footer-social .social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-normal);
    font-size: var(--text-sm);
}

.footer-social .social-link:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* ========================================================================== 
   BACK TO TOP BUTTON
   ========================================================================== */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--light-blue) 100%);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* ========================================================================== 
   CHAT WIDGET
   ========================================================================== */

.chat-widget {
    position: fixed;
    bottom: var(--spacing-xl);
    left: var(--spacing-xl);
    z-index: var(--z-modal);
}

.chat-trigger {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    position: relative;
}

.chat-trigger:hover {
    transform: scale(1.1);
}

.chat-notification {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: 600;
    animation: pulse 2s infinite;
}

.chat-window {
    position: absolute;
    bottom: 80px;
    left: 0;
    width: 350px;
    height: 450px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-window.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.chat-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--light-blue) 100%);
    color: var(--white);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-agent {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chat-agent img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--white);
}

.agent-info h4 {
    color: var(--white);
    margin: 0;
    font-size: var(--text-base);
}

.agent-status {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.8);
}

.chat-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: var(--text-lg);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.chat-messages {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.chat-message {
    max-width: 80%;
    word-wrap: break-word;
}

.agent-message {
    align-self: flex-start;
}

.user-message {
    align-self: flex-end;
}

.message-content {
    background: var(--light-gray);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.agent-message .message-content {
    background: var(--primary-color);
    color: var(--white);
}

.user-message .message-content {
    background: var(--secondary-color);
    color: var(--white);
}

.message-time {
    font-size: var(--text-xs);
    color: var(--gray);
    margin-top: var(--spacing-xs);
    text-align: right;
}

.agent-message .message-time {
    text-align: left;
}

.chat-input {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--light-gray);
    display: flex;
    gap: var(--spacing-sm);
}

.chat-input input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
}

.chat-input button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;transition: var(--transition-normal);
}

.chat-input button:hover {
    background: var(--light-blue);
}

/* ========================================================================== 
   COOKIE NOTICE
   ========================================================================== */

.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--light-gray);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    z-index: var(--z-modal);
    transform: translateY(100%);
    transition: var(--transition-normal);
}

.cookie-notice.visible {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cookie-text p {
    color: var(--gray);
    margin: 0;
    font-size: var(--text-sm);
    line-height: 1.5;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

/* ========================================================================== 
   ANIMATIONS & UTILITIES
   ========================================================================== */

/* Fade animations */
.animate-fade-up {
    animation: fadeUp 0.8s ease-out forwards;
}

.animate-fade-up.delay-1 {
    animation-delay: 0.2s;
}

.animate-fade-up.delay-2 {
    animation-delay: 0.4s;
}

.animate-fade-up.delay-3 {
    animation-delay: 0.6s;
}

.animate-fade-up.delay-4 {
    animation-delay: 0.8s;
}

.animate-fade-up.delay-5 {
    animation-delay: 1s;
}

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

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* Hidden elements */
.hidden {
    display: none !important;
}

.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;
}

/* ========================================================================== 
   RESPONSIVE DESIGN
   ========================================================================== */

/* Tablettes */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-image {
        width: 300px;
        height: 300px;
    }
    
    .tech-icon {
        width: 60px;
        height: 60px;
        font-size: var(--text-lg);
    }
    
    .mega-menu-content {
        width: 600px;
    }
    
    .mega-menu-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ai-overview {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablettes et petits écrans */
@media (max-width: 768px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.25rem;
        --spacing-3xl: 3rem;
        --spacing-2xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    /* Navigation mobile */
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition-normal);
        z-index: var(--z-dropdown);
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: 0;
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid var(--light-gray);
    }
    
    .nav-link {
        justify-content: flex-start;
        padding: var(--spacing-lg);
        width: 100%;
    }
    
    .mega-menu-content {
        position: static;
        transform: none;
        width: 100%;
        opacity: 1;
        visibility: visible;
        display: none;
        margin-top: 0;
        box-shadow: none;
        background: var(--light-gray);
    }
    
    .mega-menu.active .mega-menu-content {
        display: block;
    }
    
    .mega-menu-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .nav-cta {
        margin: var(--spacing-lg);
        margin-top: 0;
    }
    
    /* Hero section */
    .hero {
        min-height: auto;
        padding: 120px 0 var(--spacing-3xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-image {
        width: 250px;
        height: 250px;
    }
    
    /* Sections */
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .ai-services {
        grid-template-columns: 1fr;
    }
    
    .formation-nav {
        flex-direction: column;
    }
    
    .formation-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    /* Formulaires */
    .form-row {
        flex-direction: column;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .formation-cta .cta-content {
        flex-direction: column;
        text-align: center;
    }
    
    /* Quote calculator */
    .project-types {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    /* Chat widget */
    .chat-widget {
        left: var(--spacing-md);
        bottom: var(--spacing-md);
    }
    
    .chat-window {
        width: calc(100vw - 2rem);
        left: calc(-100vw + 80px);
    }
    
    .back-to-top {
        bottom: 120px;
        right: var(--spacing-md);
    }
}

/* Petits mobiles */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-image {
        width: 200px;
        height: 200px;
    }
    
    .tech-icon {
        width: 50px;
        height: 50px;
        font-size: var(--text-base);
    }
    
    .project-types {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .stat-item {
        padding: var(--spacing-md);
    }
    
    .service-card,
    .formation-card,
    .testimonial-card {
        padding: var(--spacing-lg);
    }
    
    .footer-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .chat-window {
        height: 400px;
    }
}

/* Très grands écrans */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .mega-menu-content {
        width: 1000px;
    }
    
    .hero-image {
        width: 500px;
        height: 500px;
    }
    
    .tech-icon {
        width: 100px;
        height: 100px;
        font-size: var(--text-3xl);
    }
}

/* Mode sombre (optionnel) */
@media (prefers-color-scheme: dark) {
    .tech-item img {
        filter: brightness(0) invert(1);
    }
}

/* Réduction du mouvement pour l'accessibilité */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scroll-indicator {
        animation: none;
    }
    
    .hero-particles {
        animation: none;
    }
    
    .neuron {
        animation: none;
    }
}

/* Print styles */
@media print {
    .header,
    .back-to-top,
    .chat-widget,
    .cookie-notice {
        display: none !important;
    }
    
    body {
        color: black;
        background: white;
    }
    
    .hero {
        background: white;
        color: black;
        min-height: auto;
    }
    
    .ai-expertise {
        background: white;
        color: black;
    }
    
    .quote-request {
        background: white;
        color: black;
    }
    
    .footer {
        background: white;
        color: black;
        border-top: 2px solid black;
    }
}