@charset "UTF-8";

/* ==========================================================================
   VARIABLES
   ========================================================================== */
:root {
    --bg-light-blue: #EDF2F7;
    --bg-light-gray: #F7F7F9;
    --color-white: #FFFFFF;
    --color-black: #1A1A1A;
    --color-orange: #FF6600;
    --color-text-gray: #4A4A4A;
    --color-border: #E2E8F0;
    
    --font-headings: 'Montserrat', sans-serif;
    --font-body: 'Raleway', sans-serif;
    
    --section-padding-y: 6rem;
    --section-padding-x: 4%; 
    --border-radius-map: 20px;
}

/* ==========================================================================
   SÉCURITÉ ANTI-BUG : MASQUER LE MOBILE SUR ORDINATEUR
   ========================================================================== */
.hamburger { 
    display: none !important; 
    background: none; 
    border: none; 
    cursor: pointer; 
    padding: 10px; 
    z-index: 1000; 
}

.hamburger .bar { 
    display: block; 
    width: 28px; 
    height: 3px; 
    margin: 6px auto; 
    background-color: var(--color-black); 
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
    border-radius: 3px;
}

.mobile-only { display: none !important; }
.desktop-only { display: block !important; }

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
}

html { 
    scroll-behavior: smooth; 
    font-size: 18px; 
}

body { 
    font-family: var(--font-body); 
    color: var(--color-black); 
    line-height: 1.6; 
    overflow-x: hidden; 
    background-color: var(--color-white);
    animation: smoothFadeIn 0.8s ease-out forwards;
}

img { 
    max-width: 100%; 
    height: auto; 
    display: block; 
}

a { 
    text-decoration: none; 
    color: inherit; 
    transition: color 0.3s ease; 
}

.sr-only { 
    position: absolute; 
    width: 1px; 
    height: 1px; 
    padding: 0; 
    margin: -1px; 
    overflow: hidden; 
    clip: rect(0, 0, 0, 0); 
    white-space: nowrap; 
    border: 0; 
}

.nowrap { 
    white-space: nowrap; 
}

/* ==========================================================================
   ANIMATIONS DE TRANSITION
   ========================================================================== */
@keyframes smoothFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

main {
    animation: slideUpContent 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes slideUpContent {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   BOUTONS & ANIMATIONS REVEAL
   ========================================================================== */
.btn-primary {
    display: inline-block;
    background-color: var(--color-orange);
    color: var(--color-white);
    padding: 0.8rem 1.8rem;
    font-weight: 500; 
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-orange);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-primary:hover { 
    transform: scale(1.05); 
    box-shadow: 0 8px 20px rgba(255, 102, 0, 0.3);
}

.btn-outline {
    display: inline-block;
    background-color: transparent;
    color: var(--color-orange);
    padding: 0.8rem 1.8rem;
    font-weight: 500;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-orange);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-outline:hover { 
    background-color: var(--color-orange);
    color: var(--color-white);
    transform: scale(1.05); 
    box-shadow: 0 8px 20px rgba(255, 102, 0, 0.3);
}

.reveal { 
    opacity: 0; 
    transform: translateY(40px); 
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
}

.reveal.active { 
    opacity: 1; 
    transform: translateY(0); 
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem var(--section-padding-x);
    background-color: var(--color-white);
    border-bottom: 1px solid #EAEAEA;
}

.header-logo { 
    display: flex; 
    align-items: center; 
}

.header-logo img { 
    height: 95px; 
}

.main-nav { 
    display: flex; 
    gap: 2.5rem; 
}

.main-nav a {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-black);
    text-transform: uppercase;
    font-weight: 600; 
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-orange);
    transform: scale(1.15);
    text-shadow: 0 4px 8px rgba(255, 102, 0, 0.3);
}

/* ==========================================================================
   ACCUEIL HERO
   ========================================================================== */
.top-hero {
    background: url('pose-carrelage.jpg') center/cover no-repeat;
    padding: 4rem var(--section-padding-x);
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center; 
}

.top-hero-card {
    background-color: var(--color-white);
    border-radius: 20px;
    padding: 3rem 4rem;
    width: 75%; 
    max-width: 1400px; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center; 
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.top-hero-card:hover {
    transform: scale(1.03);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.top-hero-card h1 {
    font-family: var(--font-headings);
    font-size: clamp(2.5rem, 4vw, 3.8rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    color: var(--color-black);
    margin-bottom: 2rem;
}

.top-hero-card p {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--color-black);
    line-height: 1.5;
    margin-bottom: 2.5rem;
}

.hero-actions { 
    display: flex; 
    gap: 1rem; 
    flex-wrap: wrap; 
    justify-content: center; 
}

/* ==========================================================================
   SECTION PRÉSENTATION
   ========================================================================== */
.hero { 
    background-color: var(--bg-light-blue); 
    padding: var(--section-padding-y) var(--section-padding-x); 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 4rem; 
    align-items: center; 
}

.hero-content h2 { 
    font-family: var(--font-headings); 
    font-size: clamp(2.2rem, 3.5vw, 3.2rem); 
    font-weight: 900; 
    line-height: 1.1; 
    letter-spacing: -1px; 
    margin-bottom: 2rem; 
    color: var(--color-black); 
}

.hero-content p { 
    font-size: 1.1rem; 
    color: var(--color-text-gray); 
    line-height: 1.7; 
    max-width: 90%; 
}

.hero-image img { 
    border-radius: var(--border-radius-map); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.08); 
    object-fit: cover; 
    width: 100%; 
}

/* ==========================================================================
   SECTION SERVICES ACCUEIL
   ========================================================================== */
.services { 
    background-color: var(--bg-light-gray); 
    padding: var(--section-padding-y) var(--section-padding-x); 
}

.section-title { 
    font-family: var(--font-headings); 
    font-size: clamp(2rem, 3.5vw, 3rem); 
    font-weight: 800; 
    margin-bottom: 3.5rem; 
    letter-spacing: -0.5px; 
}

.services-grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 2rem; 
}

.service-card { 
    background: var(--color-white); 
    padding: 3rem 2.5rem; 
    border: 1px solid var(--color-border); 
    transition: transform 0.3s ease, box-shadow 0.3s ease; 
    display: flex; 
    flex-direction: column; 
}

.service-card:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 15px 30px rgba(0,0,0,0.05); 
}

.service-image-icon { 
    width: 65px; 
    height: 65px; 
    margin-bottom: 2rem; 
    object-fit: contain; 
}

.service-card h3 { 
    font-family: var(--font-headings); 
    font-size: 1.5rem; 
    font-weight: 800; 
    margin-bottom: 1rem; 
}

.service-card p { 
    color: var(--color-text-gray); 
    margin-bottom: 3rem; 
    flex-grow: 1; 
}

.service-link { 
    color: var(--color-orange); 
    text-decoration: underline; 
    font-weight: 500; 
    font-size: 1.1rem; 
    margin-top: auto; 
    align-self: flex-start; 
}

/* ==========================================================================
   POURQUOI NOUS CHOISIR
   ========================================================================== */
.why-us { 
    padding: var(--section-padding-y) var(--section-padding-x); 
    text-align: center; 
}

.why-us .section-title { 
    margin-bottom: 5rem; 
}

.why-grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 3rem; 
    text-align: left; 
}

.why-item { 
    display: flex; 
    flex-direction: column; 
}

.why-number { 
    font-family: var(--font-headings); 
    font-size: 4.5rem; 
    font-weight: 900; 
    color: var(--color-orange); 
    line-height: 1; 
    margin-bottom: 1rem; 
    letter-spacing: -2px; 
}

.why-item h4 { 
    font-family: var(--font-headings); 
    font-size: 1.4rem; 
    font-weight: 800; 
    margin-bottom: 1rem; 
}

.why-item p { 
    color: var(--color-text-gray); 
}

/* ==========================================================================
   RÉALISATIONS
   ========================================================================== */
.portfolio { 
    padding: var(--section-padding-y) 0 0 0; 
}

.portfolio .section-title { 
    padding: 0 var(--section-padding-x); 
    margin-bottom: 3rem; 
}

.portfolio-grid { 
    display: flex; 
    flex-direction: column; 
    gap: 0; 
}

.portfolio-row { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    width: 100%; 
    height: 60vh; 
    min-height: 400px; 
    position: relative; 
}

.portfolio-item { 
    width: 100%; 
    height: 100%; 
    overflow: hidden; 
    position: relative; 
}

.portfolio-item img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    transition: transform 0.7s ease; 
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65); 
    display: flex;
    flex-direction: column;
    justify-content: flex-start; 
    align-items: center;
    text-align: center;
    padding: 4rem 2rem;
    opacity: 0; 
    transition: opacity 0.5s ease;
}

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

.portfolio-overlay h4 {
    font-family: var(--font-headings);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 1rem;
    line-height: 1.3;
    max-width: 85%;
    transform: translateY(15px); 
    transition: transform 0.5s ease;
}

.portfolio-overlay span {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    transform: translateY(15px); 
    transition: transform 0.5s ease;
    transition-delay: 0.1s; 
}

.portfolio-item:hover .portfolio-overlay h4,
.portfolio-item:hover .portfolio-overlay span {
    transform: translateY(0);
}

/* ==========================================================================
   TÉMOIGNAGE
   ========================================================================== */
.testimonial { 
    background-color: var(--bg-light-blue); 
    padding: 7rem var(--section-padding-x); 
    text-align: center; 
}

.testimonial blockquote { 
    font-family: var(--font-body); 
    font-size: clamp(1.2rem, 2vw, 1.5rem); 
    font-style: italic; 
    color: var(--color-black); 
    max-width: 900px; 
    margin: 0 auto 2rem auto; 
    line-height: 1.5; 
    font-weight: 300; 
}

.testimonial cite { 
    font-family: var(--font-headings); 
    font-size: 1.2rem; 
    font-weight: 800; 
    font-style: normal; 
    display: block; 
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer { 
    padding: 3rem var(--section-padding-x); 
    border-top: 1px solid var(--color-border); 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    background: var(--color-white); 
}

.footer-logo { 
    display: flex; 
    align-items: center; 
}

.footer-logo img { 
    height: 95px; 
    object-fit: contain; 
}

.footer-copy { 
    color: var(--color-text-gray); 
    font-size: 0.9rem; 
}

.footer-socials { 
    display: flex; 
    gap: 1rem; 
}

.social-icon { 
    width: 35px; 
    height: 35px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    border-radius: 50%; 
    color: var(--color-white); 
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
}

.social-icon:hover { 
    transform: scale(1.2) translateY(-3px); 
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3); 
}

.icon-fb { background-color: #1877F2; }
.icon-ig { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }

/* ==========================================================================
   PAGE SERVICES
   ========================================================================== */
.srv-body { 
    background-color: var(--bg-light-gray); 
}

.srv-main { 
    width: 100%; 
    max-width: 100%; 
    padding: 5rem var(--section-padding-x); 
    margin: 0 auto; 
    box-sizing: border-box; 
}

.srv-category { 
    margin-bottom: 2rem; 
}

.srv-intro { 
    margin-bottom: 5rem; 
    text-align: left; 
}

.srv-intro h2 { 
    font-family: var(--font-headings); 
    font-size: 4.5rem; 
    font-weight: 900; 
    color: var(--color-black); 
    letter-spacing: -2px; 
    margin-bottom: 1rem; 
    text-align: left; 
}

.srv-intro p { 
    font-family: var(--font-body); 
    font-size: 1.15rem; 
    color: var(--color-text-gray); 
    font-weight: 400; 
    text-align: left; 
}

.category-separator {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, rgba(255,102,0,0) 0%, rgba(255,102,0,0.6) 50%, rgba(255,102,0,0) 100%);
    margin: 6rem 0; 
}

.srv-separator { 
    border: none; 
    border-top: 1px solid #EAEAEA; 
    margin: 0; 
    width: 100%; 
}

.srv-row { 
    display: grid; 
    grid-template-columns: 300px 1fr 440px; 
    gap: 4rem; 
    justify-content: space-between; 
    align-items: center; 
    padding: 6rem 0; 
}

.srv-col-title { text-align: left; }

.srv-col-title h2 { 
    font-family: var(--font-headings); 
    color: var(--color-orange); 
    font-size: 1.05rem; 
    font-weight: 800; 
    text-transform: uppercase; 
    letter-spacing: 0.5px; 
    margin: 0; 
    white-space: nowrap; 
}

.srv-col-title h2 br { display: none; }
.title-adjust-up { transform: translateY(-15px); }

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

.srv-col-text p { 
    font-family: var(--font-body); 
    font-size: 1.05rem; 
    color: var(--color-text-gray); 
    line-height: 1.7; 
    font-weight: 400; 
    margin: 0 auto; 
    max-width: 800px; 
}

.srv-col-img { 
    display: flex; 
    justify-content: flex-end; 
}

.srv-col-img img { 
    width: 100%; 
    max-width: 440px; 
    height: 250px; 
    object-fit: cover; 
    border-radius: 0; 
    display: block; 
}

/* ==========================================================================
   BANDEAU DÉFILANT (MARQUEE)
   ========================================================================== */
.cta-banner { 
    background-color: var(--color-orange); 
    padding: 4rem 0 3.5rem 0; 
    overflow: hidden; 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
}

.marquee-container { 
    display: flex; 
    overflow: hidden; 
    white-space: nowrap; 
    width: 100%; 
    margin-bottom: 2.5rem; 
}

.marquee-content { 
    display: flex; 
    animation: scrollMarquee 25s linear infinite; 
}

.marquee-content span { 
    font-family: var(--font-headings); 
    font-size: 3.5rem; 
    font-weight: 900; 
    color: var(--color-white); 
    text-transform: uppercase; 
    padding-right: 1rem; 
}

@keyframes scrollMarquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.btn-dark { 
    display: inline-block; 
    background-color: #0c3866; 
    color: var(--color-white); 
    padding: 1.2rem 2.5rem; 
    font-family: var(--font-body); 
    font-size: 1.1rem; 
    font-weight: 700; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    text-decoration: none; 
    border: none; 
    transition: all 0.3s ease; 
}

.btn-dark:hover { 
    background-color: #082a4d; 
    transform: scale(1.05); 
}

/* ==========================================================================
   PAGE À PROPOS - ZONE D'INTERVENTION
   ========================================================================== */
.about-intervention { 
    background-color: #0c3866; 
    padding: 6rem var(--section-padding-x); 
    min-height: calc(100vh - 95px - 100px); 
    display: flex; 
    align-items: center; 
}

.intervention-content { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 4rem; 
    width: 100%; 
    align-items: center; 
}

.intervention-text h1 { 
    font-family: var(--font-headings); 
    font-size: clamp(3rem, 4vw, 4.5rem); 
    font-weight: 900; 
    color: var(--color-white); 
    margin-bottom: 2rem; 
    letter-spacing: -1px; 
}

.intervention-text p { 
    font-family: var(--font-body); 
    font-size: 1.25rem; 
    color: var(--color-white); 
    line-height: 1.6; 
    margin-bottom: 1.5rem; 
    font-weight: 400; 
}

.intervention-map-container { 
    width: 100%; 
    height: 450px; 
    border-radius: var(--border-radius-map); 
    overflow: hidden; 
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2); 
}

/* ==========================================================================
   PAGE CONTACT (Formulaire et Encadrés)
   ========================================================================== */
.contact-body { background-color: var(--color-white); }
.contact-main { padding: var(--section-padding-y) var(--section-padding-x); }

.contact-hero { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 6rem; 
    align-items: start; 
    max-width: 1300px; 
    margin: 0 auto; 
}

.contact-text h1 { 
    font-family: var(--font-headings); 
    font-size: clamp(3rem, 5vw, 5rem); 
    font-weight: 900; 
    line-height: 0.95; 
    color: var(--color-black); 
    margin-bottom: 2rem; 
    letter-spacing: -2px; 
}

.contact-text p { 
    font-family: var(--font-body); 
    font-size: 1.3rem; 
    color: var(--color-text-gray); 
    line-height: 1.6; 
    font-weight: 400;
}

.contact-form-container { width: 100%; }
.form-group { margin-bottom: 2rem; position: relative; }
.form-group label { 
    display: block; 
    font-family: var(--font-body); 
    font-size: 1rem; 
    color: var(--color-black); 
    margin-bottom: 0.5rem; 
    font-weight: 400; 
}

.form-group input, 
.form-group select, 
.form-group textarea { 
    width: 100%; 
    padding: 1rem; 
    border: 1px solid #EAEAEA; 
    border-radius: 0; 
    font-family: var(--font-body); 
    font-size: 1rem; 
    background: var(--color-white); 
    transition: all 0.3s ease; 
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus { 
    outline: none; 
    border-color: var(--color-orange); 
    box-shadow: 0 0 0 2px rgba(255,102,0,0.1);
}

.form-group.has-error input, 
.form-group.has-error select, 
.form-group.has-error textarea { 
    border-color: #e74c3c; 
    background-color: #fffafa;
}
.error-msg { 
    color: #e74c3c; 
    font-size: 0.9rem; 
    margin-top: 0.5rem; 
    display: none; 
    font-weight: 500; 
}
.form-group.has-error .error-msg { 
    display: block; 
    animation: smoothFadeIn 0.3s ease; 
}

.btn-submit { 
    width: 100%; 
    background-color: var(--color-orange); 
    color: var(--color-white); 
    border: none; 
    padding: 1.2rem; 
    font-family: var(--font-body); 
    font-size: 1.1rem; 
    font-weight: 600; 
    cursor: pointer; 
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
    margin-top: 1rem; 
}

.btn-submit:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 10px 20px rgba(255, 102, 0, 0.25); 
}

.success-message {
    display: none;
    background-color: #f8fff9;
    border: 2px solid #2ecc71;
    color: var(--color-black);
    padding: 3rem;
    text-align: center;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1.2rem;
    line-height: 1.6;
    animation: smoothFadeIn 0.5s ease;
}

.success-message strong {
    font-family: var(--font-headings);
    font-size: 1.4rem;
    color: #0c3866;
}

.contact-info-wrapper { 
    background-color: var(--bg-light-gray); 
    padding: 5rem var(--section-padding-x); 
    border-top: 1px solid #EAEAEA;
    border-bottom: 1px solid #EAEAEA;
}

.contact-info-cards { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 3rem; 
    max-width: 1200px; 
    margin: 0 auto; 
}

.info-card { 
    background: var(--color-white); 
    padding: 4rem 2rem; 
    border: 1px solid #EAEAEA; 
    text-align: center; 
    transition: transform 0.3s ease, box-shadow 0.3s ease; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
}

.info-card:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.08); 
    border-color: var(--color-orange); 
}

.info-card h3 { 
    font-family: var(--font-headings); 
    font-size: 1.1rem; 
    font-weight: 800; 
    color: var(--color-text-gray); 
    margin-bottom: 1.5rem; 
    letter-spacing: 1px; 
}

.info-card p, .info-card p a { 
    font-family: var(--font-headings); 
    font-size: clamp(1rem, 2vw, 1.8rem); 
    font-weight: 900; 
    color: #0c3866; 
    white-space: nowrap; 
}

.info-card a { transition: color 0.3s ease; }
.info-card a:hover { color: var(--color-orange); }

/* ==========================================================================
   MEDIA QUERIES GLOBALES (Ajustements pour écrans intermédiaires)
   ========================================================================== */
@media (max-width: 1100px) {
    .srv-main { padding: 4rem 1.5rem; }
    .srv-row { grid-template-columns: 1fr; gap: 2rem; padding: 3rem 0; }
    .srv-col-title h2 { white-space: normal; }
    .srv-intro h2 { font-size: 3rem; }
    .title-adjust-up { transform: none; }
    .srv-col-text, .srv-col-img { flex: auto; width: 100%; margin: 0; }
    .srv-col-img img { max-width: 100%; }
    .marquee-content span { font-size: 2.5rem; }
}

/* ==========================================================================
   📱 TOUTES LES RÈGLES POUR TÉLÉPHONE ET TABLETTE (< 1024px)
   ========================================================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding-y: 4rem;
        --section-padding-x: 5%;
    }

    /* --- 1. LE NOUVEL EN-TÊTE MOBILE --- */
    .main-header { 
        display: flex;
        flex-direction: row; 
        justify-content: flex-start; 
        align-items: center; 
        padding: 1rem 4%; 
        gap: 15px; 
    }
    
    .hamburger { display: block !important; order: 1; }
    
    .header-logo { order: 2; margin: 0; }
    .header-logo img { height: 80px; } /* Logo encore plus gros */
    
    .header-cta { order: 3; display: block !important; margin-left: auto; }
    .header-cta .btn-primary { 
        padding: 0.6rem 0.8rem; 
        font-size: 0.85rem; 
        width: auto; 
    }

    /* --- 2. LE MENU PREMIUM (Glisse de la GAUCHE) --- */
    .main-nav {
        position: fixed; 
        top: 0; 
        left: -100%; 
        width: 80%; 
        max-width: 350px; 
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.95); 
        backdrop-filter: blur(15px); 
        -webkit-backdrop-filter: blur(15px);
        box-shadow: 15px 0 40px rgba(0,0,0,0.1); 
        flex-direction: column; 
        justify-content: center; 
        align-items: center; 
        gap: 3rem; 
        transition: left 0.6s cubic-bezier(0.16, 1, 0.3, 1); 
        z-index: 999;
    }
    
    .main-nav.active { left: 0; } 
    
    /* Intégration des animations PC sur les liens Mobile */
    .main-nav a {
        font-size: 1.5rem;
        font-weight: 700;
        letter-spacing: 1.5px;
        opacity: 0;
        transform: translateX(-30px) scale(1);
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .main-nav.active a {
        opacity: 1;
        transform: translateX(0) scale(1);
    }

    /* Le fameux effet hover/active identique à l'ordinateur */
    .main-nav.active a:hover,
    .main-nav.active a.active {
        color: var(--color-orange);
        transform: translateX(0) scale(1.15);
        text-shadow: 0 4px 8px rgba(255, 102, 0, 0.3);
    }
    
    /* Délais pour l'apparition en cascade */
    .main-nav.active a:nth-child(1) { transition-delay: 0.15s; }
    .main-nav.active a:nth-child(2) { transition-delay: 0.25s; }
    .main-nav.active a:nth-child(3) { transition-delay: 0.35s; }
    .main-nav.active a:nth-child(4) { transition-delay: 0.45s; }

    .hamburger.active .bar:nth-child(2) { opacity: 0; transform: translateX(20px); }
    .hamburger.active .bar:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

    /* --- 3. RÉPONSES AUX DEMANDES SPÉCIFIQUES --- */
    .srv-col-title, .srv-col-title h2 { text-align: center !important; }
    
    .info-card p, .info-card p a { font-size: 1.5rem !important; }

    /* --- 4. RESTE DU RESPONSIVE --- */
    .btn-primary, .btn-outline { width: 100%; text-align: center; }
    .header-cta .btn-primary { width: auto; } 

    .hero-actions { flex-direction: column; width: 100%; gap: 1rem; }
    .hero, .services-grid, .why-grid, .contact-hero { grid-template-columns: 1fr; gap: 3rem; }
    .contact-info-cards { grid-template-columns: 1fr; gap: 1.5rem; }
    .portfolio-row { height: auto; grid-template-columns: 1fr; }
    .portfolio-item { height: 350px; }
    .intervention-content { grid-template-columns: 1fr; }
    
    .top-hero { min-height: 70vh; padding-top: 6rem; }
    .top-hero-card { padding: 2.5rem 1.5rem; width: 95%; margin-top: 2rem; }
    .hero-content h2, .intervention-text, .contact-text { text-align: center; }
    .hero-content p { max-width: 100%; text-align: center; }
    
    footer { flex-direction: column; gap: 2rem; text-align: center; }
}