/* ===================================
   ELIX - DESIGN PREMIUM ULTRA-MODERNE
   Design System 2026 • Glassmorphism • Micro-interactions
   =================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Palette Premium avec Gradients */
    --color-dark: #0a0a0f;
    --color-dark-alt: #12121a;
    --color-surface: #1a1a24;
    --color-surface-elevated: #25253a;

    /* Accents Vibrants - Palette Étendue */
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    --color-accent: #22d3ee;
    --color-accent-pink: #ec4899;
    --color-accent-purple: #a855f7;
    --color-accent-orange: #f97316;
    --color-accent-emerald: #10b981;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Neutrals */
    --color-white: #ffffff;
    --color-text: #e8e9f3;
    --color-text-muted: #9ca3af;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-hero: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15), transparent 70%),
        radial-gradient(ellipse at bottom right, rgba(139, 92, 246, 0.1), transparent 60%);

    /* Typography */
    --font-display: 'Space Grotesk', 'Inter', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-8: 3rem;
    --space-10: 4rem;
    --space-12: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===================================
   RESET & BASE
   =================================== */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--color-dark);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ===================================
   GLASSMORPHISM UTILITIES
   =================================== */

.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
}

.glass-strong {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--color-border-hover);
}

/* ===================================
   NAVIGATION PREMIUM
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-4) var(--space-8);
    transition: var(--transition-base);
}

.nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.7);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: 1px solid var(--color-border);
    opacity: 0;
    transition: var(--transition-base);
}

.nav.scrolled::before {
    opacity: 1;
}

.nav-content {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--color-white);
    text-decoration: none;
    z-index: 10;
}

.nav-logo-icon {
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: var(--space-8);
    align-items: center;
}

.nav-link {
    position: relative;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.938rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: var(--transition-base);
    padding: var(--space-2) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
    border-radius: var(--radius-full);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

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

.nav-cta {
    padding: var(--space-3) var(--space-5);
    background: var(--gradient-primary);
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #818cf8 0%, #8b5cf6 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-cta span {
    position: relative;
    z-index: 1;
}

.nav-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
}

.nav-cta:hover::before {
    opacity: 1;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 10;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--space-12) var(--space-6);
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--gradient-hero);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

#particlesCanvas {
    position: absolute;
    inset: 0;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: var(--space-8);
    animation: fadeInDown 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
    color: var(--color-white);
}

.hero-title-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-title-line {
    display: block;
    overflow: hidden;
}

.hero-title-word {
    display: inline-block;
    animation: slideUp 1s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.hero-title-line:nth-child(2) .hero-title-word {
    animation-delay: 0.1s;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.7;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto var(--space-8);
    animation: fadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) 0.3s backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    animation: fadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) 0.5s backwards;
}

/* Buttons Premium */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    font-family: var(--font-body);
    font-size: 0.938rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #818cf8 0%, #8b5cf6 100%);
    opacity: 0;
    transition: var(--transition-base);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary .btn-text,
.btn-primary .btn-icon {
    position: relative;
    z-index: 1;
}

.btn-primary .btn-icon {
    font-size: 1.25rem;
    transition: var(--transition-base);
}

.btn-primary:hover .btn-icon {
    transform: translateX(5px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    border: 1px solid var(--color-border-hover);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
    justify-content: center;
    margin-top: var(--space-10);
    animation: fadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) 0.7s backwards;
}

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

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    animation: fadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) 1s backwards;
    opacity: 0.5;
    cursor: pointer;
    transition: var(--transition-base);
}

.hero-scroll:hover {
    opacity: 1;
}

.hero-scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
    animation: scrollMove 2s infinite;
}

@keyframes scrollMove {

    0%,
    100% {
        opacity: 0.3;
        transform: translateY(0);
    }

    50% {
        opacity: 1;
        transform: translateY(10px);
    }
}

.hero-scroll-text {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* ===================================
   SECTIONS MODERNES
   =================================== */

.section {
    padding: var(--space-12) var(--space-6);
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-10);
}

.section-label {
    display: inline-block;
    font-size: 0.813rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary-light);
    margin-bottom: var(--space-3);
    padding: var(--space-2) var(--space-4);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-full);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    color: var(--color-white);
}

.section-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}

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

.about {
    background: var(--color-dark-alt);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1), transparent 70%);
    border-radius: 50%;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    aspect-ratio: 4/5;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gradient-primary);
    padding: 3px;
}

.about-image-bg {
    position: absolute;
    inset: 3px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
}

.about-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
}

.about-content h3 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    line-height: 1.3;
    margin-bottom: var(--space-6);
    color: var(--color-white);
}

.about-content h3 .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text p {
    margin-bottom: var(--space-4);
    color: var(--color-text-muted);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.stat {
    text-align: center;
    padding: var(--space-5);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.stat::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-primary);
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.3);
}

.stat:hover::before {
    opacity: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

/* ===================================
   EXPERTISES SECTION
   =================================== */

.expertises {
    background: var(--color-dark);
}

.expertises-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-5);
}

.expertise-card {
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.1), transparent 70%);
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.expertise-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent), var(--color-primary));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.expertise-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-10px) scale(1.02);
    box-shadow:
        0 20px 60px rgba(99, 102, 241, 0.4),
        0 0 40px rgba(99, 102, 241, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.expertise-card:hover::before {
    opacity: 1;
    animation: rotateGradient 8s linear infinite;
}

.expertise-card:hover::after {
    opacity: 1;
}

@keyframes rotateGradient {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.expertise-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: var(--radius-md);
    position: relative;
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.expertise-icon svg {
    width: 28px;
    height: 28px;
    stroke-width: 2;
    color: var(--color-primary-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.expertise-card:hover .expertise-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.expertise-card:hover .expertise-icon svg {
    color: var(--color-white);
    transform: scale(1.05);
}

.expertise-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-white);
    position: relative;
    z-index: 1;
}

.expertise-description {
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-3);
    position: relative;
    z-index: 1;
    font-size: 0.95rem;
}

.expertise-features {
    list-style: none;
    position: relative;
    z-index: 1;
}

.expertise-features li {
    padding: var(--space-2) 0;
    padding-left: var(--space-5);
    color: var(--color-text-muted);
    font-size: 0.938rem;
    position: relative;
}

.expertise-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* ===================================
   PROCESS SECTION
   =================================== */

.process {
    background: var(--color-dark-alt);
    position: relative;
}

.process::before {
    content: '';
    position: absolute;
    top: 0;
    left: -20%;
    width: 800px;
    height: 100%;
    background: radial-gradient(ellipse, rgba(139, 92, 246, 0.08), transparent 70%);
}

.process-timeline {
    position: relative;
    padding-left: var(--space-10);
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
}

.process-step {
    position: relative;
    margin-bottom: var(--space-10);
    padding-left: var(--space-6);
}

.process-step::before {
    content: '';
    position: absolute;
    left: -54px;
    top: 10px;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
    z-index: 1;
}

.process-number {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-white);
    position: absolute;
    left: -42px;
    top: 22px;
    z-index: 2;
}

.process-content h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-white);
}

.process-content p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

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

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-10);
    align-items: start;
}

.contact-info {
    position: sticky;
    top: 120px;
}

.contact-info h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-white);
}

.contact-info p {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.contact-details {
    list-style: none;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.contact-detail::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.contact-detail:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--color-primary);
    transform: translateX(8px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.contact-detail:hover::before {
    transform: scaleY(1);
}

.contact-detail-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-detail-info strong {
    display: block;
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.contact-detail-info span {
    color: var(--color-text-muted);
    font-size: 0.938rem;
}

/* Contact Form Premium */
.contact-form {
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08), transparent 60%);
    pointer-events: none;
}

.contact-form-wrapper {
    position: relative;
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-white);
    font-size: 0.938rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.938rem;
    transition: var(--transition-base);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23e8e9f3' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

.form-select option {
    background: var(--color-surface);
    color: var(--color-text);
    padding: var(--space-3);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary);
    box-shadow:
        0 0 0 3px rgba(99, 102, 241, 0.1),
        0 4px 15px rgba(99, 102, 241, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: var(--gradient-primary);
    color: var(--color-white);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.form-submit::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.form-submit:hover::before {
    width: 300px;
    height: 300px;
}

.form-submit:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow:
        0 10px 40px rgba(99, 102, 241, 0.6),
        0 0 20px rgba(99, 102, 241, 0.4);
}

.form-submit:active {
    transform: translateY(-1px) scale(0.98);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

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

.footer {
    background: var(--color-dark-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--space-10) 0 var(--space-6);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-link svg {
    position: relative;
    z-index: 1;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.social-link:hover {
    border-color: transparent;
    color: var(--color-white);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.social-link:hover::before {
    opacity: 1;
}

.social-link:hover svg {
    transform: scale(1.1) rotate(5deg);
}

.footer-column h4 {
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-white);
    font-size: 1rem;
}

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

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

.footer-menu a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.938rem;
    transition: var(--transition-base);
}

.footer-menu a:hover {
    color: var(--color-primary-light);
    padding-left: var(--space-2);
}

.footer-bottom {
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--space-4);
}

.footer-legal a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition-base);
}

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

/* ===================================
   MODALS
   =================================== */

.modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal.active,
.modal.show {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    max-height: 85vh;
    background: var(--color-surface);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: modalSlideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-white);
}

.modal-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition-base);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.modal-content {
    padding: var(--space-6);
    overflow-y: auto;
    max-height: calc(85vh - 100px);
}

.cgv-section {
    margin-bottom: var(--space-8);
}

.cgv-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.cgv-section p,
.cgv-section li {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--space-3);
}

.cgv-section ul {
    padding-left: var(--space-5);
}

.cgv-section a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: var(--transition-base);
}

.cgv-section a:hover {
    text-decoration: underline;
}

/* ===================================
   NOTIFICATIONS SYSTÈME
   =================================== */

.notification-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    pointer-events: none;
}

.notification {
    display: flex;
    align-items: start;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-md);
    max-width: 400px;
    pointer-events: auto;
    transform: translateX(calc(100% + 3rem));
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-xl);
}

.notification.show {
    transform: translateX(0);
}

.notification-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.notification-icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 2;
}

.notification.success {
    border-color: var(--color-success);
}

.notification.success .notification-icon {
    color: var(--color-success);
}

.notification.error {
    border-color: var(--color-error);
}

.notification.error .notification-icon {
    color: var(--color-error);
}

.notification.info {
    border-color: var(--color-accent);
}

.notification.info .notification-icon {
    color: var(--color-accent);
}

.notification.warning {
    border-color: var(--color-warning);
}

.notification.warning .notification-icon {
    color: var(--color-warning);
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-1);
    font-size: 0.938rem;
}

.notification-message {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
}

.notification-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--transition-base);
    border-radius: var(--radius-md);
}

.notification-close:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
}

.notification-close svg {
    width: 16px;
    height: 16px;
    stroke-width: 2.5;
}

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

@media (max-width: 1200px) {
    :root {
        --space-12: 4rem;
        --space-10: 3rem;
        --space-8: 2rem;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(30px);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-6);
        transition: var(--transition-smooth);
        z-index: 9;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

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

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

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

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .about-stats,
    .expertises-grid {
        grid-template-columns: 1fr;
    }

    .process-timeline {
        padding-left: var(--space-6);
    }

    .process-step::before {
        left: -40px;
        width: 32px;
        height: 32px;
    }

    .process-number {
        left: -32px;
        top: 17px;
        font-size: 0.875rem;
    }

    .contact-info {
        position: static;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }

    .nav {
        padding: var(--space-4);
    }

    .hero {
        padding: var(--space-10) var(--space-4) var(--space-8);
    }

    .notification-container {
        left: var(--space-4);
        right: var(--space-4);
    }

    .notification {
        max-width: none;
    }
}

/* ===================================
   ANIMATIONS & SCROLL EFFECTS
   =================================== */

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Smooth transitions for all interactive elements */
a,
button,
input,
textarea,
select {
    transition: var(--transition-base);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-dark);
}

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

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #818cf8 0%, #8b5cf6 100%);
}

/* Loading States */
.form-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Utility classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blur-background {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* ===================================
   ANIMATIONS SIMPLES
   =================================== */

/* Animation texte au scroll - apparition douce */
section,
.section-title,
.section-description,
.hero-title,
.hero-subtitle,
.about-content h3,
.about-text p {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

section.visible,
.section-title.visible,
.section-description.visible,
.hero-title.visible,
.hero-subtitle.visible,
.about-content h3.visible,
.about-text p.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   ANIMATIONS AU SURVOL
   =================================== */

/* Boutons */
.btn {
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

/* Cartes d'expertise */
.expertise-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.expertise-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.3);
}

/* Images */
.about-image-wrapper img,
.about-image-wrapper svg {
    transition: transform 0.5s ease;
}

.about-image-wrapper:hover img,
.about-image-wrapper:hover svg {
    transform: scale(1.08);
}

/* Liens de navigation */
.nav-link {
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* Portfolio items */
.portfolio-item {
    transition: all 0.4s ease;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.3);
}