/* ========== COULEURS DE LA CHARTE (à modifier ici si besoin) ========== */
    :root {
        --anthracite: #1F2937;
        --anthracite-light: #374151;
        --gold: #D4A84B;
        --gold-light: #E8C97A;
        --gold-dark: #B8922F;
        --white: #FFFFFF;
        --gray-light: #F9FAFB;
        --gray: #6B7280;
    }

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

    body {
        font-family: 'Arial', sans-serif;
        color: var(--anthracite);
        overflow-x: hidden;
        line-height: 1.6;
    }

    h1, h2, h3, h4, h5, h6, .btn, .navbar-nav .nav-link {
        font-family: 'Montserrat', sans-serif;
    }

    ::selection { background: var(--gold); color: var(--anthracite); }

    /* ===================== LOGO (seul logo du site : le menu) ===================== */
    .logo-badge {
        background: var(--white);
        border-radius: 10px;
        padding: 4px 10px;
        display: inline-flex;
        align-items: center;
        box-shadow: 0 2px 10px rgba(0,0,0,0.25);
    }
    .logo-badge img { height: 40px; width: auto; display: block; }

    /* ===================== NAVBAR ===================== */
    .navbar {
        background: rgba(31, 41, 55, 0.92);
        backdrop-filter: blur(10px);
        padding: 0.6rem 0;
        transition: all 0.3s ease;
    }
    .navbar.scrolled { padding: 0.3rem 0; box-shadow: 0 2px 20px rgba(0,0,0,0.2); }

    .nav-link {
        color: var(--white) !important;
        font-weight: 500;
        margin: 0 0.35rem;
        position: relative;
        font-size: 0.92rem;
        white-space: nowrap;
    }
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -4px; left: 50%;
        width: 0; height: 2px;
        background: var(--gold);
        transition: all 0.3s ease;
        transform: translateX(-50%);
    }
    .nav-link:hover, .nav-link.active { color: var(--gold) !important; }
    .nav-link:hover::after, .nav-link.active::after { width: 100%; }

    /* Bouton WhatsApp dans le menu */
    .nav-whatsapp {
        background: #25D366;
        color: var(--anthracite) !important;
        border-radius: 50px;
        padding: 0.35rem 1rem !important;
        font-weight: 600;
        margin-left: 0.75rem;
        font-size: 0.85rem;
    }
    .nav-whatsapp::after { display: none; }
    .nav-whatsapp:hover { background: #1ebe59; color: var(--anthracite) !important; }

    /* ===================== HERO (photo de fond réelle) ===================== */
    .hero {
        min-height: 100vh;
        background:
            linear-gradient(100deg, rgba(31,41,55,0.96) 0%, rgba(31,41,55,0.78) 45%, rgba(31,41,55,0.35) 100%),
            url('images/hero-pc500.webp') center / cover no-repeat;
        display: flex;
        align-items: center;
        position: relative;
        padding-top: 90px;
    }
    .hero h1 {
        font-size: 3rem;
        font-weight: 800;
        color: var(--white);
        line-height: 1.15;
        margin-bottom: 1.25rem;
    }
    .hero h1 .gold-text { color: var(--gold); display: block; }
    .hero p.lead-text {
        font-size: 1.2rem;
        color: rgba(255,255,255,0.88);
        max-width: 620px;
        margin-bottom: 2.25rem;
    }

    /* ===================== BOUTONS ===================== */
    .btn-gold {
        background: var(--gold);
        color: var(--anthracite);
        border: 2px solid var(--gold);
        padding: 0.8rem 2rem;
        font-weight: 700;
        border-radius: 50px;
        text-transform: uppercase;
        letter-spacing: 1px;
        font-size: 0.9rem;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: all 0.3s ease;
    }
    .btn-gold:hover {
        background: var(--gold-dark);
        border-color: var(--gold-dark);
        color: var(--white);
        transform: translateY(-2px);
        box-shadow: 0 10px 30px rgba(212,168,75,0.35);
    }
    .btn-outline-gold {
        background: rgba(255,255,255,0.08);
        color: var(--gold-light);
        border: 2px solid var(--gold);
        padding: 0.8rem 2rem;
        font-weight: 700;
        border-radius: 50px;
        text-transform: uppercase;
        letter-spacing: 1px;
        font-size: 0.9rem;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: all 0.3s ease;
    }
    .btn-outline-gold:hover { background: var(--gold); color: var(--anthracite); transform: translateY(-2px); }

    /* ===================== TITRES DE SECTION ===================== */
    .section-title { text-align: center; margin-bottom: 3.5rem; }
    .section-title .surtitle {
        color: var(--gold-dark);
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 3px;
        font-size: 0.85rem;
    }
    .section-title h2 {
        font-size: 2.4rem;
        font-weight: 700;
        margin: 0.4rem 0 1rem;
        position: relative;
        display: inline-block;
    }
    .section-title h2::after {
        content: '';
        position: absolute;
        bottom: -12px; left: 50%;
        transform: translateX(-50%);
        width: 64px; height: 3px;
        background: var(--gold);
    }
    .section-title p { color: var(--gray); font-size: 1.1rem; margin-top: 1.5rem; }
    .section-title p + p { margin-top: 1rem; }

    section { padding: 5.5rem 0; }

    /* ===================== QUATRE MOTS-CLÉS ===================== */
    .trust-strip {
        background: var(--anthracite);
        padding: 2.25rem 0;
    }
    .trust-item {
        display: flex;
        align-items: center;
        gap: 0.9rem;
        color: var(--white);
    }
    .trust-item i {
        font-size: 1.7rem;
        color: var(--gold);
        flex-shrink: 0;
    }
    .trust-item strong {
        font-family: 'Montserrat', sans-serif;
        font-size: 0.98rem;
        line-height: 1.3;
    }

    /* ===================== À PROPOS ===================== */
    .advantage-card {
        background: var(--gray-light);
        padding: 1.9rem 1.4rem;
        border-radius: 15px;
        text-align: center;
        transition: all 0.3s ease;
        height: 100%;
        border: 2px solid transparent;
    }
    .advantage-card:hover {
        transform: translateY(-6px);
        border-color: var(--gold);
        box-shadow: 0 15px 40px rgba(0,0,0,0.1);
        background: var(--white);
    }
    .advantage-icon {
        width: 62px; height: 62px;
        background: var(--gold);
        border-radius: 50%;
        display: flex; align-items: center; justify-content: center;
        margin: 0 auto 1.2rem;
        font-size: 1.6rem;
        color: var(--white);
    }
    .advantage-card h5 { font-weight: 600; font-size: 1.02rem; margin-bottom: 0.4rem; }
    .advantage-card p { color: var(--gray); font-size: 0.92rem; margin: 0; }

    /* ===================== ENGINS ===================== */
    .services-section { background: var(--gray-light); }
    .equipment-card {
        background: var(--white);
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        transition: all 0.3s ease;
        height: 100%;
        border: 1px solid #ECECEC;
    }
    .equipment-card:hover { transform: translateY(-10px); box-shadow: 0 22px 55px rgba(0,0,0,0.15); }
    .equipment-image-container {
        position: relative;
        width: 100%;
        height: 260px;
        overflow: hidden;
        background: var(--gray-light);
    }
    .equipment-image {
        width: 100%; height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .equipment-card:hover .equipment-image { transform: scale(1.05); }
    .equipment-body { padding: 1.75rem; }
    .equipment-body h4 { font-weight: 700; margin-bottom: 0.5rem; }
    .equipment-body p { color: var(--gray); font-size: 0.98rem; margin: 0; }

    /* ===================== SUR DEMANDE (fond sombre, sans photo) ===================== */
    .on-demand-section {
        background:
            radial-gradient(circle at 15% 20%, rgba(212,168,75,0.12) 0%, transparent 45%),
            linear-gradient(135deg, var(--anthracite) 0%, var(--anthracite-light) 100%);
    }
    .on-demand-section .section-title h2 { color: var(--white); }
    .on-demand-section .section-title p { color: rgba(255,255,255,0.7); }
    .on-demand-item {
        background: rgba(255,255,255,0.05);
        border: 1px solid rgba(212,168,75,0.35);
        border-radius: 15px;
        padding: 2rem 1.4rem;
        text-align: center;
        transition: all 0.3s ease;
        height: 100%;
    }
    .on-demand-item:hover {
        background: rgba(212,168,75,0.12);
        border-color: var(--gold);
        transform: translateY(-6px);
    }
    .on-demand-item .od-icon { height: 60px; width: auto; max-width: 110px; margin-bottom: 1rem; }
    .on-demand-item h5 { font-weight: 600; color: var(--white); margin-bottom: 0.35rem; font-size: 1rem; }
    .on-demand-item p { color: rgba(255,255,255,0.65); font-size: 0.9rem; margin: 0; }

    /* ===================== CONTACT ===================== */
    .contact-card {
        background: var(--white);
        padding: 2.4rem 1.6rem;
        border-radius: 16px;
        text-align: center;
        transition: all 0.3s ease;
        height: 100%;
        border: 2px solid transparent;
        text-decoration: none;
        color: inherit;
        display: block;
    }
    .contact-card:hover {
        transform: translateY(-10px);
        border-color: var(--gold);
        box-shadow: 0 20px 50px rgba(0,0,0,0.1);
        color: inherit;
    }
    .contact-icon {
        width: 76px; height: 76px;
        background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
        border-radius: 50%;
        display: flex; align-items: center; justify-content: center;
        margin: 0 auto 1.4rem;
        font-size: 2rem;
        color: var(--white);
    }
    .contact-icon.whatsapp { background: linear-gradient(135deg, #25D366 0%, #128C7E 100%); }
    .contact-card h4 { font-weight: 600; margin-bottom: 0.4rem; }
    .contact-card .value { color: var(--gold-dark); font-weight: 700; font-size: 1.08rem; margin: 0; }
    .contact-card .action-label {
        color: var(--gray);
        font-size: 0.9rem;
        font-weight: 600;
        margin: 0.6rem 0 0;
        transition: color 0.3s ease;
    }
    .contact-card:hover .action-label { color: var(--gold-dark); }

    /* ===================== PIED DE PAGE ===================== */
    footer {
        background: var(--anthracite);
        color: var(--white);
        padding: 3.5rem 0 1.75rem;
    }
    footer p { color: rgba(255,255,255,0.7); margin: 0.4rem 0; }
    footer a { color: rgba(255,255,255,0.85); text-decoration: none; }
    footer a:hover { color: var(--gold); }
    footer .divider { border-top: 1px solid rgba(255,255,255,0.12); margin: 2rem 0 1.25rem; }
    footer .copyright { text-align: center; color: rgba(255,255,255,0.5); font-size: 0.9rem; }

    /* ===================== ANIMATIONS ===================== */
    .fade-in {
        opacity: 0;
        transform: translateY(28px);
        transition: all 0.6s ease;
    }
    .fade-in.visible { opacity: 1; transform: translateY(0); }

    @media (prefers-reduced-motion: reduce) {
        .fade-in { opacity: 1; transform: none; transition: none; }
        html { scroll-behavior: auto; }
    }

    html { scroll-behavior: smooth; }

    ::-webkit-scrollbar { width: 10px; }
    ::-webkit-scrollbar-track { background: var(--gray-light); }
    ::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 5px; }

    /* ===================== RESPONSIVE ===================== */
    @media (max-width: 991px) {
        .nav-whatsapp { margin: 0.6rem 0 0.4rem; display: inline-block; }
    }
    @media (max-width: 768px) {
        .hero h1 { font-size: 2rem; }
        .hero p.lead-text { font-size: 1rem; }
        .section-title h2 { font-size: 1.7rem; }
        .logo-badge img { height: 34px; }
        section { padding: 4rem 0; }
    }