:root {

    --bg-primary: #FFFCF0;

    --bg-secondary: #FFFCF0;

    --text-primary: #1a1a1a;

    --text-secondary: #666;

    --text-light: #333;

    --accent: #0000FF;

    --border-light: rgba(26, 26, 26, 0.1);

    --quote-bg: rgba(0, 0, 255, 0.05);

}



[data-theme="dark"] {

    --bg-primary: #1a1a1a;

    --bg-secondary: #2a2a2a;

    --text-primary: #FFFCF0;

    --text-secondary: #bbb;

    --text-light: #ccc;

    --accent: #0000FF;

    --border-light: rgba(255, 252, 240, 0.2);

    --quote-bg: rgba(0, 0, 255, 0.1);

}



* {

    margin: 0;

    padding: 0;

    box-sizing: border-box;

}



body {

    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;

    background: var(--bg-primary);

    color: var(--text-primary);

    line-height: 1.6;

    -webkit-font-smoothing: antialiased;

    transition: background-color 0.3s ease, color 0.3s ease;

}



.container {

    max-width: 1200px;

    margin: 0 auto;

    padding: 0 2rem;

}



/* Header */

header {

    background: var(--bg-primary);

    padding: 1.5rem 0;

    position: fixed;

    top: 0;

    left: 0;

    right: 0;

    z-index: 100;

    border-bottom: 1px solid var(--border-light);

    transition: background-color 0.3s ease;

}



nav {

    display: flex;

    justify-content: space-between;

    align-items: center;

}



.logo-container {

    display: flex;

    align-items: center;

    gap: 1rem;

}



.logo-image {

    height: 58px;

    width: auto;

    object-fit: contain;

}



.nav-links {

    display: flex;

    list-style: none;

    gap: 3rem;

    align-items: center;

}



.nav-links a {

    text-decoration: none;

    color: var(--text-primary);

    font-weight: 300;

    font-size: 0.95rem;

    transition: color 0.3s ease;

}



.nav-links a:hover {

    color: var(--accent);

}



/* Mobile Menu */

.mobile-menu-toggle {

    display: none;

    background: none;

    border: none;

    cursor: pointer;

    padding: 0.5rem;

    z-index: 101;

}



.hamburger {

    width: 24px;

    height: 20px;

    position: relative;

    transform: rotate(0deg);

    transition: 0.3s ease-in-out;

    cursor: pointer;

}



.hamburger span {

    display: block;

    position: absolute;

    height: 2px;

    width: 100%;

    background: var(--text-primary);

    border-radius: 1px;

    opacity: 1;

    left: 0;

    transform: rotate(0deg);

    transition: 0.25s ease-in-out;

}



.hamburger span:nth-child(1) {

    top: 0px;

}



.hamburger span:nth-child(2), 

.hamburger span:nth-child(3) {

    top: 9px;

}



.hamburger span:nth-child(4) {

    top: 18px;

}



.hamburger.open span:nth-child(1) {

    top: 9px;

    width: 0%;

    left: 50%;

}



.hamburger.open span:nth-child(2) {

    transform: rotate(45deg);

}



.hamburger.open span:nth-child(3) {

    transform: rotate(-45deg);

}



.hamburger.open span:nth-child(4) {

    top: 9px;

    width: 0%;

    left: 50%;

}



.mobile-nav-overlay {

    display: none;

    position: fixed;

    top: 0;

    left: 0;

    right: 0;

    bottom: 0;

    background: var(--bg-primary);

    z-index: 99;

    padding-top: 100px;

    opacity: 0;

    visibility: hidden;

    transition: opacity 0.3s ease, visibility 0.3s ease;

}



.mobile-nav-overlay.active {

    opacity: 1;

    visibility: visible;

}



.mobile-nav-links {

    display: flex;

    flex-direction: column;

    align-items: center;

    gap: 2rem;

    list-style: none;

    margin-top: 2rem;

}



.mobile-nav-links a {

    text-decoration: none;

    color: var(--text-primary);

    font-size: 1.2rem;

    font-weight: 300;

    transition: color 0.3s ease;

}



.mobile-nav-links a:hover {

    color: var(--accent);

}



/* Theme Toggle */

.theme-toggle {

    background: var(--border-light);

    border: none;

    border-radius: 12px;

    width: 36px;

    height: 20px;

    position: relative;

    cursor: pointer;

    margin-left: 1.5rem;

    transition: background-color 0.2s ease;

    padding: 1px;

    outline: none;

}



.theme-toggle:hover {

    background: var(--text-secondary);

}



[data-theme="dark"] .theme-toggle {

    background: var(--text-secondary);

}



.toggle-track {

    width: 100%;

    height: 100%;

    position: relative;

}



.toggle-thumb {

    position: absolute;

    top: 0;

    left: 0;

    width: 16px;

    height: 16px;

    background: var(--text-primary);

    border-radius: 8px;

    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);

    box-shadow: 0 1px 3px rgba(0,0,0,0.2);

}



[data-theme="dark"] .toggle-thumb {

    transform: translateX(16px);

    background: var(--bg-primary);

}



/* Hero Section */

.hero {

    padding: 12rem 0 8rem;

    text-align: left;

    background: var(--bg-primary);

    transition: background-color 0.3s ease;

}



.hero-content {

    max-width: 800px;

}



.hero h1 {
    font-family: Georgia, 'Times New Roman', Times, serif;
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.0;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    /* Fallback d'abord */
    color: #1a1a1a;
}

/* Gradient appliqué en surcharge si supporté */
@supports (background-clip: text) or (-webkit-background-clip: text) {
    .hero h1 {
        background: linear-gradient(135deg, #1a1a1a 0%, #0000FF 100%);
        background-clip: text;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        /* Force le rendu */
        -webkit-box-decoration-break: clone;
        box-decoration-break: clone;
    }
}

/* Dark mode : titre en blanc simple sans gradient */
[data-theme="dark"] .hero h1 {
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: unset !important;
    background-clip: unset !important;
    color: var(--text-primary) !important;
}

.hero .subtitle {

    font-size: 1.8rem;

    font-weight: 400;

    color: var(--text-primary);

    margin-bottom: 3rem;

    line-height: 1.3;

    max-width: 700px;

}



.cta-button {

    background: #666;

    color: white;

    text-decoration: none;

    font-weight: 500;

    font-size: 1.1rem;

    padding: 0.6rem 1.8rem;

    border-radius: 50px;

    transition: all 0.3s ease;

    display: inline-block;

}



.cta-button:hover {

    background: var(--accent);

    transform: translateY(-2px);

    box-shadow: 0 8px 25px rgba(0, 0, 255, 0.3);

}



/* Section Titles */

.section-title {

    font-family: Georgia, 'Times New Roman', Times, serif;

    font-size: 2.8rem;

    font-weight: 600;

    margin-bottom: 3rem;

    color: var(--text-primary);

    letter-spacing: -0.01em;

    line-height: 1.2;

}



/* Sections */

.introduction, .three-levers, .results, .method, .clients, .team, .contact {

    padding: 8rem 0;

    background: var(--bg-primary);

    transition: background-color 0.3s ease;

}



.three-levers, .method, .team {

    background: var(--bg-secondary);

}



/* Introduction - Sauts de ligne forcés */

.intro-content {

    max-width: 800px;

    margin: 0 auto;

}



.intro-text {

    white-space: pre-line;

    margin-bottom: 0;

}



.intro-text p {

    font-size: 1.25rem;

    line-height: 1.7;

    color: var(--text-light);

    white-space: pre-line;

}



.intro-visual {

    text-align: center;

    margin-bottom: 4rem;

}



.intro-visual img {

    width: 100%;

    max-width: 400px;

    height: auto;

}



.intro-conclusion {

    font-size: 1.25rem;

    line-height: 1.7;

    color: var(--text-light);

    max-width: 800px;

    margin: 0 auto;

    text-align: left;

}



/* Three levers */

.levers-list {

    max-width: 800px;

    margin: 0 auto;

}



.lever-item {

    margin-bottom: 3rem;

    padding: 2rem;

    border-left: 3px solid var(--accent);

    background: var(--quote-bg);

    transition: background-color 0.3s ease;

}



.lever-item h3 {

    font-size: 1.4rem;

    margin-bottom: 1rem;

    color: var(--text-primary);

}



.lever-item p {

    font-size: 1.25rem;

    line-height: 1.7;

    color: var(--text-light);

}



/* Results */

.results-grid {

    display: block;

    max-width: 800px;

    margin: 4rem auto 0;

}



.result-item {

    display: flex;

    align-items: flex-start;

    gap: 2rem;

    margin-bottom: 3rem;

    padding: 2rem;

    background: var(--quote-bg);

    border-radius: 8px;

    transition: background-color 0.3s ease;

}



.result-visual img {

    width: 100px;

    height: 100px;

    flex-shrink: 0;

    object-fit: contain;

}



.result-item:first-child .result-visual img {

    width: 110px;

    height: 110px;

}



.result-content h3 {

    font-size: 1.4rem;

    margin-bottom: 1rem;

    color: var(--text-primary);

}



.result-content p {

    font-size: 1.25rem;

    line-height: 1.7;

    color: var(--text-light);

}



/* Method - Format avec visuels sous textes, textes à gauche */

.method-content {

    max-width: 800px;

    margin: 0 auto;

}



.method-grid {

    display: block;

    max-width: 800px;

    margin: 4rem auto 0;

}



.pillar-item {

    margin-bottom: 3rem;

    padding: 2rem;

    background: var(--quote-bg);

    border-radius: 8px;

    transition: background-color 0.3s ease;

    text-align: left;

}



.pillar-content h3 {

    font-size: 1.4rem;

    margin-bottom: 1rem;

    color: varmedi(--text-primary);

    text-align: left;

}



.pillar-content p {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 4rem;
    white-space: pre-line;
    text-align: left;
}

/* Desktop uniquement */
@media (min-width: 769px) {
    .pillar-content p br {
        display: block;
        margin-bottom: -0.5rem;
    }
}

.pillar-visual {

    text-align: center;

}



.pillar-visual img {

    width: 100%;

    max-width: 460px;

    height: auto;

}



/* Services - Format amélioré avec tags */

.services-content {

    max-width: 800px;

    margin: 0 auto;

    text-align: left;

}



.services-content p {

    font-size: 1.25rem;

    line-height: 1.7;

    color: var(--text-light);

    margin-bottom: 2rem;

}



.services-grid {

    display: block;

    max-width: 800px;

    margin: 4rem auto 0;

}



.service-item {

    display: flex;

    align-items: flex-start;

    gap: 2rem;

    margin-bottom: 3rem;

    padding: 2rem;

    background: var(--quote-bg);

    border-radius: 8px;

    transition: background-color 0.3s ease;

    position: relative;

}



.service-visual img {

    width: 105px;

    height: 105px;

    flex-shrink: 0;

    object-fit: contain;

}



.service-content h3 {

    font-size: 1.4rem;

    margin-bottom: 1rem;

    color: var(--text-primary);

}



.service-content p {

    font-size: 1.25rem;

    line-height: 1.7;

    color: var(--text-light);

    margin-bottom: 1rem;

}



.service-tags {

    position: absolute;

    top: 1rem;

    right: 1rem;

    display: flex;

    flex-wrap: wrap;

    gap: 0.5rem;

    max-width: 200px;

    justify-content: flex-end;

}



.service-tag {

    background: white;

    color: var(--accent);

    border: 1px solid var(--accent);

    padding: 0.3rem 0.6rem;

    border-radius: 12px;

    font-size: 0.8rem;

    font-weight: 500;

    white-space: nowrap;

}



/* Team */

.team-content {

    max-width: 800px;

    margin: 0 auto;

}



.team-origin {

    margin-bottom: 4rem;

}



.team-origin h3,

.team-collective h3 {

    font-size: 1.4rem;

    margin-bottom: 1rem;

    color: var(--text-primary);

}



.team-origin p,

.team-collective p {

    font-size: 1.25rem;

    line-height: 1.7;

    color: var(--text-light);

    margin-bottom: 2rem;

}



.origin-visual {

    text-align: center;

    margin-top: 2rem;

    display: none;

}



.origin-visual img {

    width: 100%;

    max-width: 400px;

    height: auto;

}



/* Contact Section - Alignement à gauche */

.contact {

    padding: 8rem 0 6rem;

    background: var(--bg-primary);

    transition: background-color 0.3s ease;

}



.contact-content {

    max-width: 800px;

    margin: 0 auto;

    text-align: left;

}



.contact-message {

    font-size: 1.2rem;

    text-align: left;

    margin-bottom: 3rem;

    color: var(--text-secondary);

    line-height: 1.6;

}



.contact-info {

    margin-top: 3rem;

    display: flex;

    justify-content: flex-start;

    gap: 2rem;

    flex-wrap: wrap;

    align-items: center;

}



.contact-item a {

    color: var(--accent);

    text-decoration: none;

    font-weight: 400;

    font-size: 1.1rem;

    transition: color 0.3s ease;

}



.contact-item a:hover {

    color: #0000cc;

}



.contact-button {

    background: #666;

    color: white !important;

    text-decoration: none;

    font-weight: 500;

    font-size: 0.95rem;

    padding: 0.3rem 0.8rem;

    border-radius: 50px;

    transition: all 0.3s ease;

    display: inline-block;

}



.contact-button:hover {

    background: var(--accent);

    color: white !important;

    transform: translateY(-2px);

    box-shadow: 0 8px 25px rgba(0, 0, 255, 0.3);

}



.linkedin-logo {

    width: 32px;

    height: 32px;

    color: var(--text-secondary);

    transition: color 0.3s ease;

}



.linkedin-logo:hover {

    color: var(--accent);

}



/* Footer */

footer {

    padding: 2rem 0;

    background: var(--bg-primary);

    border-top: 1px solid var(--border-light);

    text-align: center;

    transition: background-color 0.3s ease;

}



footer p {

    font-size: 0.9rem;

    font-weight: 300;

    color: var(--text-secondary);

}



/* Responsive */

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-nav-overlay {
        display: block;
    }
    
    .theme-toggle {
        margin-left: 1rem;
        width: 32px;
        height: 18px;
    }
    
    .toggle-thumb {
        width: 14px;
        height: 14px;
    }
    
    [data-theme="dark"] .toggle-thumb {
        transform: translateX(14px);
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero .subtitle {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }

    .contact-info {
        flex-direction: column;
        gap: 2rem;
    }

    /* Section Avantages */
    .result-item {
        flex-direction: column;
        text-align: left;
        align-items: center;
    }
    
    .result-content {
        text-align: left;
        width: 100%;
    }
    
    /* Réduire visuels Avantages sur mobile */
    .result-visual img {
        width: 70px !important;
        height: 70px !important;
    }

    .result-item:first-child .result-visual img {
        width: 80px !important;
        height: 80px !important;
    }
    
    /* Section Services mobile */
    .service-card {
        padding: 1.5rem !important;
    }

    .service-main {
        flex-direction: column !important;
        align-items: center !important;
        gap: 1rem !important;
        margin-bottom: 1rem !important;
        text-align: center;
    }

    .service-main > div:first-child {
        text-align: center;
    }

    .service-main > div:last-child {
        width: 100%;
    }

    .service-main h3,
    .service-main p {
        text-align: left !important;
    }

    /* Réduire visuels Services sur mobile */
    .service-main img {
        width: 80px !important;
        height: 80px !important;
    }

    .service-tags-container {
        text-align: left !important;
    }

    .service-tag-link {
        margin-bottom: 0.5rem !important;
        display: inline-block !important;
    }

    .service-visual {
        align-self: center;
    }
    
    .service-tags {
        justify-content: center;
        margin-bottom: 1rem;
    }

    /* Section Différences - Fix mobile */
    .pillar-content p {
        font-size: 1.1rem;
    }
    
    .pillar-content p br {
        display: none;
    }
}
/* ... tes autres règles ... */
    
    .pillar-content ul li {
        font-size: 1.1rem;
    }
}