/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Orange Premium Palette */
    --primary-50: #fff7ed;
    --primary-100: #ffedd5;
    --primary-200: #fed7aa;
    --primary-300: #fdba74;
    --primary-400: #fb923c;
    --primary-500: #FF6A00;
    --primary-600: #E25700;
    --primary-700: #c2410c;
    --primary-800: #9a3412;
    --primary-900: #7c2d12;
    
    --secondary-50: #f8fafc;
    --secondary-100: #f1f5f9;
    --secondary-200: #e2e8f0;
    --secondary-300: #cbd5e1;
    --secondary-400: #94a3b8;
    --secondary-500: #64748b;
    --secondary-600: #475569;
    --secondary-700: #334155;
    --secondary-800: #1e293b;
    --secondary-900: #0f172a;
    
    --accent-500: #1F3A93;
    --success-500: #10b981;
    --warning-500: #f59e0b;
    --error-500: #ef4444;
    
    /* Neutral Colors */
    --neutral-50: #F5F6FA;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1C2130;
    --neutral-900: #0F1220;
    
    /* Spacing System (8px base) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    --line-height-tight: 1.2;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    /* Shadows */
    --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);
    
    /* Border Radius */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    --border-radius-3xl: 2rem;
    --border-radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-backdrop: blur(10px);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --neutral-50: #0F1220;
        --neutral-100: #1C2130;
        --neutral-200: #334155;
        --neutral-300: #475569;
        --neutral-400: #64748b;
        --neutral-500: #94a3b8;
        --neutral-600: #cbd5e1;
        --neutral-700: #e2e8f0;
        --neutral-800: #f1f5f9;
        --neutral-900: #F5F6FA;
        
        --glass-bg: rgba(0, 0, 0, 0.1);
        --glass-border: rgba(255, 255, 255, 0.1);
    }
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--neutral-900);
    background-color: var(--neutral-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* Typography */
.gradient-text {
    background: white;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 100% 100%;
    animation: gradient-shift 4s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    color: var(--neutral-900);
    margin-bottom: var(--space-4);
    text-align: center;
    letter-spacing: -0.025em;
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: var(--font-size-5xl);
    }
}

.section-description {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--neutral-600);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-16);
}

@media (min-width: 768px) {
    .section-description {
        font-size: var(--font-size-xl);
    }
}

.section-header {
    margin-bottom: var(--space-20);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1.5;
    text-decoration: none;
    border-radius: var(--border-radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.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: left var(--transition-slow);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
}

.btn-outline {
    background: transparent;
    color: var(--neutral-900);
    border-color: var(--neutral-300);
    backdrop-filter: var(--glass-backdrop);
}

.btn-outline-white {
    background: white;
    color: var(--neutral-900);
    border-color: var(--neutral-100 );
    backdrop-filter: var(--glass-backdrop);
}

.btn-outline-white:hover {
    background: var(--primary-600);
    color: white;
    border-color: var(--neutral-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--neutral-200);
    z-index: 1000;
    transition: all var(--transition-normal);
}

@media (prefers-color-scheme: dark) {
    .header {
        background: rgba(15, 18, 32, 0.95);
        border-bottom-color: var(--neutral-800);
    }
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-4);
    height: 80px;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    /* Empêche le logo de prendre trop de place */
    flex-shrink: 0;
}

.logo {
    /* Dimensions de base */
    height: 30px;
    width: auto; 
    /* Pour les très petits écrans */
    max-height: 25px;
}

/* Tablettes */
@media (min-width: 768px) {
    .logo {
        height: 35px;
        max-height: 35px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .logo {
        height: 40px;
        max-height: 40px;
    }
}


.nav-brand a {
    display: flex;
    align-items: center;
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--neutral-900);
    letter-spacing: -0.025em;
}

.nav-menu {
    display: none;
    list-style: none;
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    text-decoration: none;
    color: var(--neutral-700);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-normal);
    position: relative;
    padding: var(--space-2) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    transition: width var(--transition-normal);
}

.nav-link:hover {
    color: var(--primary-500);
}

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

/* Ajoutez ces styles à votre fichier CSS existant */

/* Style pour le lien actif */
.nav-link.active {
    color: var(--primary-500);
    font-weight: var(--font-weight-semibold);
}

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

/* Pour le mode sombre */
@media (prefers-color-scheme: dark) {
    .nav-link.active {
        color: var(--primary-400);
    }
}

.nav-cta {
    display: none;
}

@media (min-width: 1024px) {
    .nav-cta {
        display: inline-flex;
    }
}

.nav-toggle {
    display: flex;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    flex-direction: column;
    gap: 4px;
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--neutral-700);
    transition: all var(--transition-normal);
    border-radius: var(--border-radius-full);
}

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

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

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

/* Menu mobile - Correction */
@media (max-width: 1023px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-6);
        box-shadow: var(--shadow-xl);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        border-bottom: 1px solid var(--neutral-200);
        z-index: 1000; /* Ajout important */
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        display: flex; /* Ajout important */
    }
    
    .nav-item {
        width: 100%;
        text-align: center;
        padding: var(--space-3) 0;
    }
    
    .nav-link {
        font-size: var(--font-size-lg);
        display: block; /* Ajout important */
        padding: var(--space-3) var(--space-4); /* Ajout important */
    }
}

/* Assurez-vous que le bouton menu est visible sur mobile */
.nav-toggle {
    display: flex;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    flex-direction: column;
    gap: 4px;
    z-index: 1001; /* Au-dessus du menu */
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
}

/* Hero Section */
.hero {
    background-image: 
    url("../images/line_pattern.png"),
    linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 50%, var(--neutral-900) 100%);   
    background-repeat: repeat, no-repeat;
    background-size: auto, cover;
    /* background-image: url('images/line_pattern_dark.png'); */
    /* background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 50%, var(--neutral-900) 100%);    */
    padding: calc(80px + var(--space-24)) 0 var(--space-24);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

.hero-content {
    display: grid;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content-about {
    display: grid;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 2;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-20);
    }

      .hero-content-about {
        grid-template-columns: 1fr;
        gap: var(--space-20);
    }

}

.hero-title {
    font-size:55px !important;
    font-weight: var(--font-weight-black);
    line-height: var(--line-height-tight);
    color: white;
    margin-bottom: var(--space-6);
    letter-spacing: -0.025em;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

@media (min-width: 1280px) {
    .hero-title {
        font-size: var(--font-size-7xl);
    }
}

.hero-description {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    max-width: 500px;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: var(--font-size-xl);
    }
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
        gap: var(--space-6);
    }
}

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

.hero-dashboard {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 400px;
}

.dashboard-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-2xl);
    animation: float 6s ease-in-out infinite;
}

.dashboard-card:nth-child(2) {
    animation-delay: 3s;
    margin-left: auto;
    width: 80%;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.card-chart {
    height: 60px;
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(255, 255, 255, 0.1) 100%);
    border-radius: var(--border-radius-md);
    position: relative;
    overflow: hidden;
}

.card-chart::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}
/* Social Proof */
.social-proof {
    padding: var(--space-12) 0;
    background: var(--neutral-100);
    overflow: hidden;
    position: relative;
}

@media (prefers-color-scheme: dark) {
    .social-proof {
        background: var(--neutral-800);
    }
}

.social-proof-title {
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--neutral-500);
    margin-bottom: var(--space-8);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.logos-scroll-container {
    position: relative;
    overflow: hidden;
    width: 100%;
    mask-image: linear-gradient(
        to right,
        transparent,
        black 5%,
        black 95%,
        transparent
    );
    -webkit-mask-image: linear-gradient(
        to right,
        transparent,
        black 5%,
        black 95%,
        transparent
    );
}

/*.logos-scroll {*/
/*    display: flex;*/
/*    align-items: center;*/
/*    animation: scroll-logos 40s linear infinite;*/
/*    width: max-content;*/
/*    will-change: transform;*/
/*}*/


.logos-scroll {
  display: flex;
  flex-wrap: wrap;          
  justify-content: center;   
  align-items: center;       
  gap: var(--space-6);       
  animation: none;     
  width: 100%;       
}

.logo-item {
    flex-shrink: 0;
    margin: 0 var(--space-6);
    transition: all var(--transition-normal);
    opacity: 0.7;
    filter: grayscale(100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-item:hover {
    transform: scale(1.1);
    opacity: 1;
    filter: grayscale(0%);
}

.logo-item img {
    display: block;
    max-width: 100%;
    height: auto;
    max-height: 60px;
    object-fit: contain;
}

/* Animation de défilement */
@keyframes scroll-logos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Pause l'animation au survol */
.logos-scroll-container:hover .logos-scroll {
    animation-play-state: paused;
}

/* Responsive - Mobile First Approach */
/* Par défaut (mobile) */
.logo-item {
    margin: 0 var(--space-4);
}

.logo-item img {
    max-width: 80px;
    max-height: 40px;
}

.logos-scroll {
    animation-duration: 30s;
}

/* Tablette */
@media (min-width: 640px) {
    .logo-item {
        margin: 0 var(--space-6);
    }
    
    .logo-item img {
        max-width: 100px;
        max-height: 50px;
    }
    
    .logos-scroll {
        animation-duration: 35s;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .logo-item {
        margin: 0 var(--space-8);
    }
    
    .logo-item img {
        max-width: 120px;
        max-height: 60px;
    }
    
    .logos-scroll {
        animation-duration: 40s;
    }
}

/* Grand écran */
@media (min-width: 1280px) {
    .logo-item img {
        max-width: 140px;
        max-height: 70px;
    }
}

/* Correction spécifique pour les très petits mobiles */
@media (max-width: 360px) {
    .logo-item {
        margin: 0 var(--space-3);
    }
    
    .logo-item img {
        max-width: 70px;
        max-height: 35px;
    }
    
    .logos-scroll {
        animation-duration: 25s;
    }
}

/* Support pour les appareils tactiles */
@media (hover: none) {
    .logos-scroll-container {
        mask-image: linear-gradient(
            to right,
            transparent,
            black 2%,
            black 98%,
            transparent
        );
        -webkit-mask-image: linear-gradient(
            to right,
            transparent,
            black 2%,
            black 98%,
            transparent
        );
    }
    
    .logo-item:hover {
        transform: none;
        opacity: 0.7;
        filter: grayscale(100%);
    }
}

/* Réduction de mouvement pour les préférences d'accessibilité */
@media (prefers-reduced-motion: reduce) {
    .logos-scroll {
        animation: none;
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-6);
        width: 100%;
    }
    
    .logos-scroll-container {
        mask-image: none;
        -webkit-mask-image: none;
    }
    
    .logo-item {
        margin: var(--space-2);
    }
}

/* Services */
.services {
    padding: var(--space-24) 0;
}

.services-grid {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-10);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-12);
    }
}

.service-card {
    background: white;
    border-radius: var(--border-radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--neutral-200);
    position: relative;
    overflow: hidden;
}

@media (prefers-color-scheme: dark) {
    .service-card {
        background: var(--neutral-800);
        border-color: var(--neutral-700);
    }
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-200);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-radius: var(--border-radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    color: var(--primary-500);
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    transform: scale(1.1);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--neutral-900);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-snug);
}

.service-description {
    color: var(--neutral-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
}

.service-link {
    color: var(--primary-500);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    transition: color var(--transition-normal);
    position: relative;
}

.service-link::after {
    content: '→';
    margin-left: var(--space-2);
    transition: transform var(--transition-normal);
}

.service-link:hover {
    color: var(--primary-600);
}

.service-link:hover::after {
    transform: translateX(4px);
}

/* Stats */
.stats {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
}

@media (prefers-color-scheme: dark) {
    .stats {
        background: linear-gradient(135deg, var(--neutral-800), var(--neutral-700));
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-12);
    }
}

.stat-item {
    text-align: center;
    padding: var(--space-6);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-black);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-2);
    line-height: var(--line-height-tight);
}

@media (min-width: 768px) {
    .stat-number {
        font-size: var(--font-size-5xl);
    }
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-snug);
}

/* Portfolio */
.portfolio {
    padding: var(--space-24) 0;
    background: var(--neutral-50);
}

@media (prefers-color-scheme: dark) {
    .portfolio {
        background: var(--neutral-900);
    }
}

.portfolio-slider {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.portfolio-track {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-2xl);
}

.portfolio-slide {
    display: none;
    background: white;
    border-radius: var(--border-radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

@media (prefers-color-scheme: dark) {
    .portfolio-slide {
        background: var(--neutral-800);
    }
}

.portfolio-slide.active {
    display: grid;
    animation: fadeInUp 0.6s ease-out;
}

@media (min-width: 1024px) {
    .portfolio-slide.active {
        grid-template-columns: 1fr 1fr;
    }
}

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

.portfolio-visual {
    position: relative;
    height: 300px;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .portfolio-visual {
        height: 400px;
    }
}

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

.portfolio-slide:hover .portfolio-visual img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.portfolio-category {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--primary-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.portfolio-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--neutral-900);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-snug);
}

.portfolio-description {
    color: var(--neutral-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
}

.portfolio-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.result-item {
    text-align: center;
    padding: var(--space-3);
    background: var(--neutral-100);
    border-radius: var(--border-radius-lg);
}

@media (prefers-color-scheme: dark) {
    .result-item {
        background: var(--neutral-700);
    }
}

.result-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--primary-500);
    margin-bottom: var(--space-1);
}

.result-label {
    font-size: var(--font-size-xs);
    color: var(--neutral-600);
    font-weight: var(--font-weight-medium);
}

.portfolio-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.portfolio-btn {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-full);
    border: 2px solid var(--neutral-300);
    background: white;
    color: var(--neutral-600);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (prefers-color-scheme: dark) {
    .portfolio-btn {
        background: var(--neutral-800);
        border-color: var(--neutral-600);
        color: var(--neutral-400);
    }
}

.portfolio-btn:hover {
    border-color: var(--primary-500);
    color: var(--primary-500);
    transform: scale(1.1);
}

.portfolio-indicators {
    display: flex;
    gap: var(--space-2);
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: var(--border-radius-full);
    border: none;
    background: var(--neutral-300);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.indicator.active {
    background: var(--primary-500);
    transform: scale(1.2);
}

/* Process */
.process {
    padding: var(--space-24) 0;
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-500), var(--primary-600));
}

@media (min-width: 768px) {
    .process-timeline::before {
        left: 50%;
        transform: translateX(-50%);
    }
}

.process-step {
    position: relative;
    margin-bottom: var(--space-12);
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .process-step {
        justify-content: center;
    }
    
    .process-step:nth-child(even) {
        flex-direction: row-reverse;
    }
    
    .process-step:nth-child(even) .step-content {
        text-align: right;
    }
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-full);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
}

.step-content {
    flex: 1;
    max-width: 300px;
    background: white;
    padding: var(--space-6);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-200);
}

@media (prefers-color-scheme: dark) {
    .step-content {
        background: var(--neutral-800);
        border-color: var(--neutral-700);
    }
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--neutral-900);
    margin-bottom: var(--space-3);
}

.step-description {
    color: var(--neutral-600);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-sm);
}

/* Testimonials */
.testimonials {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
}

.testimonials-service {
    padding: var(--space-24) 0;
     background-image: 
    url("../images/line_pattern_dark.png"),
    linear-gradient(135deg, var(--primary-50), var(--primary-100));   
    background-repeat: repeat, no-repeat;
    background-size: auto, cover;

}

@media (prefers-color-scheme: dark) {
    .testimonials {
        background: linear-gradient(135deg, var(--neutral-800), var(--neutral-700));
    }
}

.testimonials-grid {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background: white;
    border-radius: var(--border-radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-normal);
    border: 1px solid var(--neutral-200);
}

@media (prefers-color-scheme: dark) {
    .testimonial-card {
        background: var(--neutral-800);
        border-color: var(--neutral-700);
    }
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

.testimonial-rating {
    margin-bottom: var(--space-4);
}

.stars {
    color: #fbbf24;
    font-size: var(--font-size-lg);
}

.testimonial-text {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--neutral-700);
    margin-bottom: var(--space-6);
    font-style: italic;
    position: relative;
}

.testimonial-text::before {
    content: '"';
    font-size: var(--font-size-4xl);
    color: var(--primary-500);
    position: absolute;
    top: -10px;
    left: -10px;
    font-family: serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-full);
    object-fit: cover;
    border: 3px solid var(--primary-100);
}

.author-name {
    font-weight: var(--font-weight-bold);
    color: var(--neutral-900);
    margin-bottom: var(--space-1);
}

.author-role {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
}

/* FAQ */
.faq {
    padding: var(--space-24) 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--neutral-200);
    margin-bottom: var(--space-4);
}

@media (prefers-color-scheme: dark) {
    .faq-item {
        border-bottom-color: var(--neutral-700);
    }
}

.faq-question {
    width: 100%;
    padding: var(--space-6) 0;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--neutral-900);
    transition: color var(--transition-normal);
}

.faq-question:hover {
    color: var(--primary-500);
}

.faq-icon {
    transition: transform var(--transition-normal);
    flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-answer.active {
    max-height: 200px;
}

.faq-answer p {
    padding-bottom: var(--space-6);
    color: var(--neutral-600);
    line-height: var(--line-height-relaxed);
}

/* CTA Final */
.cta-final {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    position: relative;
    overflow: hidden;
}

.cta-final::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

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

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-black);
    color: white;
    margin-bottom: var(--space-6);
    line-height: var(--line-height-tight);
}

@media (min-width: 768px) {
    .cta-title {
        font-size: var(--font-size-5xl);
    }
}

.cta-description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
}

.cta-final .btn-primary {
    background: white;
    color: var(--primary-500);
    font-size: var(--font-size-lg);
    padding: var(--space-4) var(--space-10);
}

.cta-final .btn-primary:hover {
    background: var(--neutral-100);
    transform: translateY(-4px);
}

/* Footer */
.footer {
    background: var(--neutral-900);
    color: var(--neutral-300);
    padding: var(--space-20) 0 var(--space-8);
}

.footer-content {
    display: grid;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 2fr;
        gap: var(--space-20);
    }
}

.footer-brand {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.footer-logo {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.footer-brand-text {
    flex: 1;
}

.footer-title {
    margin-bottom: var(--space-2);
}

/* Logo responsive dans le footer */
.footer-logo-img {
    width: auto;
    height: 35px; /* Taille de base */
    max-width: 100%;
}

.footer-subtitle {
    font-size: var(--font-size-sm);
    color: var(--neutral-400);
    font-style: italic;
}

/* Tablettes */
@media (min-width: 768px) {
    .footer-logo-img {
        height: 40px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .footer-logo-img {
        height: 45px;
    }
}

/* Pour les très grands écrans */
@media (min-width: 1280px) {
    .footer-logo-img {
        height: 50px;
    }
}

.footer-links {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 640px) {
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-links {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-column h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: var(--space-4);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--space-3);
}

.footer-column a {
    color: var(--neutral-400);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-normal);
}

.footer-column a:hover {
    color: var(--primary-400);
}

.social-links {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--neutral-800);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-400);
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-500);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid var(--neutral-800);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: var(--neutral-400);
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.footer-legal a {
    font-size: var(--font-size-sm);
    color: var(--neutral-400);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-legal a:hover {
    color: var(--primary-400);
}

/* Animations & Interactions */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states */
.btn:focus,
.nav-link:focus,
.faq-question:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Loading states */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: var(--border-radius-full);
    animation: spin 1s linear infinite;
}

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

/* Responsive Design Improvements */
@media (max-width: 767px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .services-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-results {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .process-timeline::before {
        left: 30px;
    }
    
    .process-step {
        flex-direction: row;
        text-align: left;
    }
}

/* Performance Optimizations */
.service-card,
.testimonial-card,
.portfolio-slide,
.dashboard-card {
    will-change: transform;
}

/* Print Styles */
@media print {
    .header,
    .nav-toggle,
    .hero-visual,
    .portfolio-controls,
    .social-links,
    .btn {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: black;
        background: white;
    }
    
    .hero {
        background: none;
        color: black;
        padding: 2rem 0;
    }
    
    .section-title {
        color: black;
        font-size: 18pt;
    }
}