/* ============================================
   ARXADIA DESIGN SYSTEM - CHARTE GRAPHIQUE
   ============================================
   Palette:
   - Primary Blue: #492CFF (sur fond blanc)
   - Adaptive Blue: #4359FF (sur fond noir)
   - Pure White: #FFFFFF
   - Deep Black: #151515

   Typographie:
   - Titres: DM Sans (ExtraBold, Leading 110%, Tracking -4%)
   - Corps: DM Sans (Light, Leading 115%)
   - CTA/Baseline: Clash Display (Medium, MAJ)

   Forme signature: Pentagone arrondi (Vauban)
   ============================================ */

/* Import des polices */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=clash-display@400,500,600,700&display=swap');

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

/* Design Tokens - Variables CSS */
:root {
    /* Couleurs principales */
    --primary-blue: #492CFF;
    --adaptive-blue: #4359FF;
    --pure-white: #FFFFFF;
    --deep-black: #151515;

    /* Couleurs secondaires */
    --bg-dark: #1a1a1a;
    --bg-darker: #0f0f0f;
    --text-gray: #a0a0a0;
    --border-color: rgba(255, 255, 255, 0.1);
    --card-bg: rgba(255, 255, 255, 0.03);

    /* Ombres */
    --shadow-primary: 0 10px 20px rgba(0, 0, 0, 0.2);
    --shadow-hover: 0 15px 30px rgba(73, 44, 255, 0.3);

    /* Police */
    --font-heading: 'DM Sans', sans-serif;
    --font-cta: 'Clash Display', sans-serif;

    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-heading);
    font-weight: 300;
    line-height: 1.15;
    background: var(--deep-black);
    color: var(--pure-white);
    overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHIE - HIÉRARCHIE
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800; /* ExtraBold */
    line-height: 1.1; /* 110% */
    letter-spacing: -0.04em; /* -4% */
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600; /* SemiBold pour les sous-titres */
    letter-spacing: -0.02em; /* -2% */
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p, li, span {
    font-family: var(--font-heading);
    font-weight: 300; /* Light */
    line-height: 1.15; /* 115% */
}

/* Texte baseline - Clash Display */
.baseline-text {
    font-family: var(--font-cta);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}


/* ============================================
   FORMES ARRONDIES (BRAND SHAPE)
   ============================================ */

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

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(21, 21, 21, 0.95);
    backdrop-filter: blur(15px);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid var(--border-color);
}

nav.scrolled {
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-primary);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-cta);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--pure-white);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-logo img {
    min-height: 30px; /* Taille minimale selon la charte */
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--adaptive-blue);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--pure-white);
}

.nav-links a:hover::before,
.nav-links a.active::before {
    width: 100%;
}

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 1001;
}

.burger span {
    width: 28px;
    height: 3px;
    background: var(--pure-white);
    transition: all 0.3s ease;
    border-radius: 2px;
}


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

#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 8rem var(--spacing-lg) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--deep-black) 0%, #0a0a0a 50%, var(--deep-black) 100%);
    max-width: 10000px;
}

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

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--pure-white);
    border-radius: 50%;
    animation: twinkle 3s infinite ease-in-out;
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}

.logo-container {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0 auto var(--spacing-lg);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-25px) rotate(0deg);
    }
}

.logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 160px;
    filter: drop-shadow(0 10px 20px rgba(73, 44, 255, 0.5));
}

.hero-content h1 {
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--pure-white) 0%, var(--adaptive-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--text-gray);
    margin-bottom: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   BOUTONS (COMPOSANTS CTA)
   ============================================ */

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-family: var(--font-cta);
    font-weight: 500;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--adaptive-blue);
    color: var(--pure-white);
    text-decoration: none;
    border-radius: var(--radius-full);
    border: 2px solid var(--adaptive-blue);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-primary);
    cursor: pointer;
}

.cta-button:hover {
    background: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.linkedin-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-family: var(--font-cta);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: #0A66C2;
    color: var(--pure-white);
    text-decoration: none;
    border-radius: var(--radius-full);
    border: 2px solid #0A66C2;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-primary);
}

.linkedin-button:hover {
    background: #004182;
    border-color: #004182;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(10, 102, 194, 0.4);
}

.linkedin-button svg {
    flex-shrink: 0;
}


/* ============================================
   SECTIONS GÉNÉRIQUES
   ============================================ */

section {
    padding: var(--spacing-2xl) var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--pure-white);
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.2rem;
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   CARTES (CARD COMPONENT - FORME PENTAGONALE)
   ============================================ */

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

.service-card {
    flex: 1 1 300px;
    max-width: 400px;
    min-width: 300px;
    background: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}


.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(73, 44, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--adaptive-blue);
    box-shadow: var(--shadow-hover);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
    display: inline-block;
}

/* Icône sans forme spéciale */
.service-icon::before {
    display: none;
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
    font-weight: 700;
}

.service-card p {
    color: var(--text-gray);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}


/* ============================================
   COMPÉTENCES (SKILLS)
   ============================================ */

.skills-container {
    display: grid;
    gap: var(--spacing-xl);
}

.skills-category {
    background: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skills-category:hover {
    border-color: rgba(73, 44, 255, 0.3);
}

.skills-category h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Tags de compétences avec puces rondes */
.skill-tag {
    position: relative;
    background: rgba(73, 44, 255, 0.08);
    color: var(--pure-white);
    padding: 0.7rem 1.3rem 0.7rem 2rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(73, 44, 255, 0.3);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.skill-tag::before {
    content: '';
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--adaptive-blue);
    border-radius: 50%;
}

.skill-tag:hover {
    background: rgba(73, 44, 255, 0.15);
    border-color: var(--adaptive-blue);
    transform: translateY(-2px);
}

.add-skill-btn {
    background: transparent;
    border: 2px dashed var(--border-color);
    color: var(--text-gray);
    padding-left: 1.3rem;
}

.add-skill-btn::before {
    display: none;
}

.add-skill-btn:hover {
    border-color: var(--adaptive-blue);
    color: var(--adaptive-blue);
    background: transparent;
    transform: translateY(0);
}

/* ============================================
   À PROPOS
   ============================================ */

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    align-items: start;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-gray);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

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

.stat-card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--adaptive-blue), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(73, 44, 255, 0.05);
    border-color: var(--adaptive-blue);
}

.stat-card:hover::after {
    transform: translateX(100%);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--adaptive-blue);
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.stat-label {
    color: var(--text-gray);
    font-size: 1rem;
    font-weight: 400;
}


/* ============================================
   CLIENTS SECTION
   ============================================ */

#clients {
    background: linear-gradient(135deg, rgba(73, 44, 255, 0.03) 0%, rgba(67, 89, 255, 0.02) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

/* ============================================
   CLIENTS GRID SECTION
   ============================================ */

.clients-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    padding-top: 0;
}

.client-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 1);
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.client-card:hover {
    background: rgb(153, 145, 255);
    filter: brightness(1.05) opacity(1);
    border-color: var(--adaptive-blue);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.4);
}


.client-logo:hover {
    filter: brightness(1.05) opacity(1);
    transform: scale(1.08);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.4);
}

.client-card a {
    display: block;
    width: 100%;
}

.client-card img {
    width: 100%;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    filter: none;
}

@media (max-width: 768px) {
    .clients-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .client-card {
        padding: 1.5rem;
    }

    .client-card img {
        max-height: 60px;
    }
}

@media (max-width: 480px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 1rem;
    }

    .client-card {
        padding: 1rem;
    }

    .client-card img {
        max-height: 50px;
    }
}

/* ============================================
   LINKEDIN SECTION
   ============================================ */

.linkedin-section {
    background: linear-gradient(135deg, rgba(10, 102, 194, 0.08) 0%, rgba(10, 102, 194, 0.03) 100%);
    border-top: 1px solid rgba(10, 102, 194, 0.2);
    border-bottom: 1px solid rgba(10, 102, 194, 0.2);
}

.linkedin-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.linkedin-icon {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
    animation: pulse 2s ease-in-out infinite;
}

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

.linkedin-description {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

.benefit-item {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    background: rgba(10, 102, 194, 0.08);
    border-color: rgba(10, 102, 194, 0.3);
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.benefit-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

.benefit-item strong {
    color: var(--pure-white);
    font-size: 1.15rem;
    font-weight: 600;
}

.linkedin-button-large {
    padding: 1.2rem 3rem;
    font-size: 1.05rem;
}


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

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    align-items: start;
}

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

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
    padding: var(--spacing-md);
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--adaptive-blue);
    transform: translateX(5px);
}

.contact-icon {
    font-size: 2rem;
    color: var(--adaptive-blue);
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-details h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.contact-details p,
.contact-details a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
    line-height: 1.6;
}

.contact-details a:hover {
    color: var(--adaptive-blue);
}

.contact-form {
    background: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--pure-white);
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--pure-white);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 300;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--adaptive-blue);
    background: rgba(73, 44, 255, 0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

.submit-button {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-cta);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--adaptive-blue);
    color: var(--pure-white);
    border: 2px solid var(--adaptive-blue);
    border-radius: var(--radius-full);
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.submit-button:hover {
    background: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}


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

footer {
    background: var(--bg-darker);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-logo {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    filter: drop-shadow(0 5px 15px rgba(73, 44, 255, 0.3));
    transition: transform 0.3s ease;
}

.footer-logo:hover {
    transform: scale(1.1) rotate(5deg);
}

footer p {
    color: var(--text-gray);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

footer p strong {
    color: var(--pure-white);
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.social-links a {
    color: var(--text-gray);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}

.social-links a:hover {
    color: #0A66C2;
    border-color: #0A66C2;
    transform: translateY(-5px);
    background: rgba(10, 102, 194, 0.1);
}

.social-links a svg {
    transition: all 0.3s ease;
}

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

.fade-in {
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}


/* ============================================
   GALERIE (avec forme pentagonale)
   ============================================ */

.gallery-item {
    position: relative;
    height: 320px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    border-color: var(--adaptive-blue);
    box-shadow: var(--shadow-hover);
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(73, 44, 255, 0.08) 0%, rgba(73, 44, 255, 0.03) 100%);
    transition: all 0.4s ease;
}

.gallery-item:hover .gallery-placeholder {
    background: linear-gradient(135deg, rgba(73, 44, 255, 0.15) 0%, rgba(73, 44, 255, 0.08) 100%);
}

.gallery-placeholder-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.6;
}

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

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background: rgba(21, 21, 21, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        left: 0;
    }

    .burger {
        display: flex;
    }

    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(9px, 9px);
    }

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

    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(9px, -9px);
    }

    section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    #hero {
        padding: 6rem var(--spacing-md) var(--spacing-xl);
    }

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

    .hero-cta-buttons .cta-button,
    .hero-cta-buttons .linkedin-button {
        width: 100%;
        max-width: 400px;
    }

    .services-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .linkedin-benefits {
        grid-template-columns: 1fr;
    }

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

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

    .contact-container {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: var(--spacing-lg);
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .logo-container {
        width: 180px;
        height: 180px;
    }

    .logo {
        width: 130px;
        height: 130px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .service-icon {
        font-size: 3rem;
    }
}

/* ============================================
   LIGHTBOX (GALERIE)
   ============================================ */

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: var(--pure-white);
    font-size: 2.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}

.lightbox-close:hover {
    color: var(--adaptive-blue);
    border-color: var(--adaptive-blue);
    background: rgba(73, 44, 255, 0.1);
    transform: rotate(90deg);
}

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

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

.text-gradient {
    background: linear-gradient(135deg, var(--pure-white) 0%, var(--adaptive-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.baseline {
    font-family: var(--font-cta);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--adaptive-blue);
}
/* ============================================
   ENTREPRISES DU GROUPE (À PROPOS)
   ============================================ */

p {
    text-align: justify;
}

.group-description strong {
    color: var(--adaptive-blue);
    font-weight: 600;
}

.card-url {
    margin-bottom: 1rem;
}


.client-logo {
    height: 120px;
    width: auto;
    object-fit: contain;
    filter: brightness(1) opacity(1);
    transition: all 0.4s ease;
    flex-shrink: 0;
    border: 3px solid var(--pure-white);
    border-radius: var(--radius-sm);
    padding: 10px;
    background: var(--pure-white);
    cursor: pointer;
}

.client-logo:hover {
    filter: brightness(1.05) opacity(1);
    transform: scale(1.08);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.4);
}