/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* BANDEAU D'URGENCE */
.top-banner {
    background: #b30000;
    color: white;
    text-align: center;
    padding: 12px 0;
    font-size: 1.2rem;
    font-weight: bold;
}

/* HEADER */
header {
    text-align: center;
    padding: 20px 0;
    <title>ADM Couvreur 77 – Couvreur en Seine‑et‑Marne | Urgence toiture 7j/7</title>
}

.logo {
    width: 400px;
    height: auto;
    display: block;
    margin: 0 auto 15px auto;
}

/* MENU */
.menu {
    display: flex;
    justify-content: center;
    gap: 25px;
    background: #b30000;
    padding: 12px 0;
}

.menu a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
}

.menu a:hover {
    text-decoration: underline;
}

/* HERO */
.hero {
    position: relative;
    width: 100%;
    height: 450px;
    overflow: hidden;
}

.hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-bottom: 4px solid #b30000;
}

.hero-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 90%;
    max-width: 700px;
    color: white;
    background: rgba(0,0,0,0.55);
    padding: 25px 30px;
    border-radius: 10px;
}

.hero-text h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.hero-text p {
    font-size: 1.1rem;
}

/* SERVICES */
.services {
    padding: 40px 20px;
    text-align: center;
}

.service-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.service-card {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.service-card h3 {
    margin: 15px 0 10px;
    color: #b30000;
    font-size: 1.3rem;
    font-weight: bold;
}

/* PAGE INTERNE */
.page-content {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 40px;
    text-align: left;
}

.page-content p {
    margin-bottom: 18px;
    line-height: 1.6;
}

.page-content ul {
    margin-bottom: 20px;
}

.page-content li {
    margin-bottom: 8px;
}

/* CONTACT – LAYOUT */
.contact-layout {
    display: flex;
    gap: 40px;
    padding: 40px;
}

.contact-left, .contact-right {
    flex: 1;
}

.contact-right form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-right input,
.contact-right select,
.contact-right textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}

.btn-envoyer {
    background: #b30000;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    cursor: pointer;
}

.btn-envoyer:hover {
    background: #7a0000;
}


/* TITRES CONTACT */
.titre-coordonnees {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.titre-h3 {
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 8px;
    color: #444;
}

.titre-contact {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #222;
}

/* TITRE FORMULAIRE – CENTRÉ + ROUGE */
.titre-formulaire {
    font-size: 20px;
    margin-bottom: 15px;
    color: #cc0000;
    text-align: center;
    font-weight: 700;
}

/* FORMULAIRE */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 600px;
    margin: 20px auto;
    background: #ffffff;
    padding: 35px 40px;
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}

.contact-form label {
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid #ccc;
    border-radius: 10px;
    font-size: 1.1rem;
    background: #fafafa;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #b30000;
    outline: none;
    background: #fff;
    box-shadow: 0 0 6px rgba(179,0,0,0.3);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

/* BOUTON FORMULAIRE */
.btn-contact {
    background: #b30000;
    color: white;
    padding: 16px;
    border: none;
    border-radius: 10px;
    font-size: 1.2rem;
    cursor: pointer;
    font-weight: bold;
    transition: 0.2s;
}

.btn-contact:hover {
    background: #8a0000;
    transform: translateY(-2px);
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .contact-layout {
        flex-direction: column;
    }
    .contact-left,
    .contact-right {
        width: 100%;
    }
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    background: #222;
    color: white;
}

.footer-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-btn {
    background: #444;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.footer-btn:hover {
    background: #666;
}

/* BOUTONS ACCUEIL SOUS LE MENU */
.accueil-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 25px 0;
}

.accueil-buttons a {
    padding: 14px 25px;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: bold;
    text-decoration: none;
    color: white;
    transition: 0.2s;
}

/* Bouton rouge urgence */
.btn-urgence {
    background: #b30000;
}

.btn-urgence:hover {
    background: #8a0000;
}

/* Bouton vert appel */
.btn-appel {
    background: #28a745;
}

.btn-appel:hover {
    background: #1e7e34;
}

/* Responsive */
@media (max-width: 600px) {
    .accueil-buttons {
        flex-direction: column;
        gap: 15px;
    }
}
.zones-intervention {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 40px;
}

.zones-intervention h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #b30000;
}

.zones-intervention ul {
    margin: 15px 0;
    padding-left: 20px;
}

.zones-intervention li {
    margin-bottom: 8px;
}
.avis-clients {
    background: #f7f7f7;
    padding: 40px 20px;
    margin: 10px0; /* réduit l’espace au-dessus */
    border-radius: 8px;
}

.avis-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.avis {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #d4a017;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.avis-texte {
    font-style: italic;
    margin-bottom: 10px;
}

.avis-auteur {
    font-weight: bold;
    color: #444;
}

.etoiles {
    color: #f4b400;
    font-size: 18px;
    margin-top: 5px;
}
.btn-avis {
    display: inline-block;
    background: #f4b400;
    color: #000;
    padding: 12px 20px;
    border-radius: 6px;
    font-weight: bold;
    text-decoration: none;
    margin-top: 20px;
}
.btn-avis:hover {
    background: #d49f00;
}
.titre-h2 {
    margin-bottom: 25px;
}
nav.menu {
    flex-wrap: wrap;
}
nav.menu {
    flex-wrap: wrap;
}
@media (max-width: 768px) {
    nav.menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
}
<body>

    <!-- HERO PREMIUM -->
    <section class="hero-service">
        <div class="hero-overlay"></div>
        <h1>Pose de toiture neuve en Seine‑et‑Marne (77)</h1>
    </section>

    <!-- BANDEAU D'URGENCE -->
    <div class="top-banner">
        🚨 Intervention d’urgence 7j/7 – 06 61 40 15 18
    </div>

    <!-- HEADER -->
    <header>
        <img src="images/logo-adm.jpg" alt="Logo ADM Couvreur 77" class="logo">
        <p>ADM Couvreur 77 – Artisan couvreur en Seine‑et‑Marne</p>
    </header>

    <!-- MENU -->
    <nav class="menu">
        <a href="index.html">Accueil</a>
        <a href="pose-toiture.html">Pose de toiture</a>
        <a href="demoussage.html">Démoussage</a>
        <a href="zinguerie.html">Zinguerie</a>
        <a href="renovation.html">Rénovation toiture</a>
        <a href="contact.html">Contact / Devis</a>
    </nav>

    <!-- BLOC INTRO PREMIUM -->
    <section class="service-intro">
        <h2>Votre spécialiste de la pose de toiture neuve</h2>
        <p>
            La pose d’une toiture neuve est une étape essentielle pour garantir la solidité,
            l’étanchéité et la longévité de votre habitation.
            Chez <strong>ADM Couvreur 77</strong>, nous mettons à votre service plus de
            <strong>30 ans d’expérience</strong> en couverture traditionnelle et moderne
            dans tout le département de Seine‑et‑Marne.
        </p>
    </section>

    <!-- PRESTATIONS -->
    <section class="service-prestations">
        <h2>Nos prestations de pose de toiture</h2>

        <div class="prestations-grid">
            <div class="prestation-item">✔ Pose de tuiles mécaniques</div>
            <div class="prestation-item">✔ Pose de tuiles plates</div>
            <div class="prestation-item">✔ Pose d’ardoises naturelles</div>
            <div class="prestation-item">✔ Toiture bac acier</div>
            <div class="prestation-item">✔ Toiture zinc</div>
            <div class="prestation-item">✔ Isolation toiture</div>
            <div class="prestation-item">✔ Étanchéité</div>
            <div class="prestation-item">✔ Charpente légère</div>
        </div>
    </section>

    <!-- MÉTHODE DE TRAVAIL -->
    <section class="service-why">
        <h2>Notre méthode de travail</h2>

        <ul>
            <li>Diagnostic complet de la charpente</li>
            <li>Choix du matériau adapté à votre toiture</li>
            <li>Mise en place de l’écran sous‑toiture</li>
            <li>Pose des liteaux et contre‑liteaux</li>
            <li>Installation de la couverture</li>
            <li>Finitions : faîtage, rives, noues, solins</li>
            <li>Nettoyage complet du chantier</li>
        </ul>
    </section>

    <!-- GARANTIE -->
    <section class="service-why">
        <h2>Garantie & sécurité</h2>

        <ul>
            <li>Travaux réalisés dans le respect des normes DTU</li>
            <li>Garantie décennale</li>
            <li>Chantier sécurisé du début à la fin</li>
        </ul>
    </section>

    <!-- INTERVENTION -->
    <section class="service-intro">
        <h2>Intervention dans tout le 77</h2>
        <p>
            Nous réalisons la pose de toiture neuve dans l’ensemble de la Seine‑et‑Marne (77) :
            maisons individuelles, extensions, garages, bâtiments annexes, etc.
        </p>
    </section>

    <!-- CTA -->
    <section class="cta-service">
        <a href="contact.html" class="btn-cta">📞 Demander un devis</a>
    </section>

    <!-- FOOTER -->
    <footer>
        <div class="footer-buttons">
            <a href="mentions-legales.html" class="footer-btn">Mentions légales</a>
            <a href="contact.html" class="footer-btn">Contact</a>
        </div>
        <p>© 2026 – ADM Couvreur 77 – Tous droits réservés</p>
    </footer>

</body>
/* --- HERO PREMIUM --- */
.hero-service {
    position: relative;
    background: url('images/pose-toiture-hero.jpg') center/cover no-repeat;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
}

.hero-service {
    position: relative;
    background: url("images/pose-toiture-hero.jpg") center/cover no-repeat;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.6);
}
/* --- SECTIONS --- */
.service-intro, .service-prestations, .service-why, .cta-service {
    padding: 40px 20px;
    max-width: 900px;
    margin: auto;
}

.service-intro h2,
.service-prestations h2,
.service-why h2 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #b30000;
}

/* --- GRID PRESTATIONS --- */
.prestations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}

.prestation-item {
    background: #f7f7f7;
    padding: 15px;
    border-radius: 6px;
    font-weight: 600;
}

/* --- LISTES --- */
.service-why ul {
    list-style: none;
    padding: 0;
}

.service-why li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.service-why li::before {
    content: "✔";
    color: #b30000;
    position: absolute;
    left: 0;
}

/* --- CTA --- */
.btn-cta {
    display: inline-block;
    background: #b30000;
    color: #fff;
    padding: 14px 25px;
    border-radius: 6px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
}

.btn-cta:hover {
    background: #8a0000;
}
/* AVANT / APRES */
.avant-apres {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
    text-align: center;
}

.avant-apres-container {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.avant-apres-container div {
    flex: 1;
}

.avant-apres img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.avant-apres h3 {
    margin-bottom: 10px;
    color: #b30000;
    font-size: 1.3rem;
}

@media (max-width: 768px) {
    .avant-apres-container {
        flex-direction: column;
    }
}
.menu .facebook-menu {
    display: inline-flex;
    align-items: center;
    margin-left: 10px;
}

.menu .facebook-menu svg {
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu .facebook-menu:hover svg {
    transform: scale(1.15);
    opacity: 0.8;
}
/* Bloc rollover à droite du texte */
.rollover-container {
    width: 45%;
    float: right;
    margin-left: 30px;
    margin-top: -20px;
}

/* Zone d’images */
.rollover-images {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

/* Images superposées */
.rollover-images img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

/* Animation automatique */
.rollover-images img:nth-child(1) { animation: fade 16s infinite; }
.rollover-images img:nth-child(2) { animation: fade 16s infinite 4s; }
.rollover-images img:nth-child(3) { animation: fade 16s infinite 8s; }
.rollover-images img:nth-child(4) { animation: fade 16s infinite 12s; }

@keyframes fade {
    0%   { opacity: 0; }
    10%  { opacity: 1; }
    40%  { opacity: 1; }
    50%  { opacity: 0; }
    100% { opacity: 0; }
}

/* Responsive */
@media (max-width: 900px) {
    .rollover-container {
        float: none;
        width: 100%;
        margin: 20px 0;
    }
}
/* --- ROLLOVER IMAGES --- */
.rollover-container {
    width: 45%;
    float: right;
    margin-left: 30px;
    margin-top: -20px;
}

.rollover-images {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.rollover-images img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.rollover-images img:nth-child(1) { animation: fade 16s infinite; }
.rollover-images img:nth-child(2) { animation: fade 16s infinite 4s; }
.rollover-images img:nth-child(3) { animation: fade 16s infinite 8s; }
.rollover-images img:nth-child(4) { animation: fade 16s infinite 12s; }

@keyframes fade {
    0%   { opacity: 0; }
    10%  { opacity: 1; }
    40%  { opacity: 1; }
    50%  { opacity: 0; }
    100% { opacity: 0; }
}

@media (max-width: 900px) {
    .rollover-container {
        float: none;
        width: 100%;
        margin: 20px 0;
    }
}
/* --- WRAPPER 2 COLONNES --- */
.method-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 40px;
}

/* Colonne texte */
.method-text {
    width: 50%;
}

/* Colonne images */
.rollover-container {
    width: 50%;
}

/* Zone d’images */
.rollover-images {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.rollover-images img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.rollover-images img:nth-child(1) { animation: fade 16s infinite; }
.rollover-images img:nth-child(2) { animation: fade 16s infinite 4s; }
.rollover-images img:nth-child(3) { animation: fade 16s infinite 8s; }
.rollover-images img:nth-child(4) { animation: fade 16s infinite 12s; }

@keyframes fade {
    0%   { opacity: 0; }
    10%  { opacity: 1; }
    40%  { opacity: 1; }
    50%  { opacity: 0; }
    100% { opacity: 0; }
}

/* Responsive */
@media (max-width: 900px) {
    .method-wrapper {
        flex-direction: column;
    }
    .method-text,
    .rollover-container {
        width: 100%;
    }
}
/* Réduction de l'espace entre Garantie & sécurité et Intervention */
.service-why {
    margin-bottom: 10px;
}

.service-intro {
    margin-top: 10px;
}
.service-why img,
.service-prestations img {
    width: 100%;
    height: auto;
    display: block;
}