/* ==========================================================
   MGone - VARIABLES
========================================================== */

:root {

    --gris_log:#575555;
    --gris_log-hover:#877f7f;
    --rouge_log:#c00000;
    --anthracite:#202124;
    --noir:#000000;
    --gris:#f5f5f5;
    --blanc:#ffffff;
    --texte:#444;
    --shadow:0 10px 30px rgba(0,0,0,.12);
    --radius:12px;
}

/* ==========================================================
   RESET GLOBAL
========================================================== */

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

html {
    scroll-behavior:smooth;
}

body {
    font-family:'Poppins',sans-serif;
    color:var(--texte);
    background:var(--blanc);
    line-height:1.6;
}

a {
    text-decoration:none;
}

ul {
    list-style:none;
}

/* ==========================================================
   LAYOUT GLOBAL
========================================================== */

.container {
    width:90%;
    max-width:1200px;
    margin:auto;
}

/* ==========================================================
   TYPOGRAPHIE
========================================================== */

section {
    padding:55px 0;
}

h1 {
    font-size:64px;
    font-weight:700;
}

h2 {
    font-size:38px;
    color:var(--anthracite);
    text-align:center;
    margin-bottom:20px;
}

h3 {
    font-size:22px;
    margin-bottom:15px;
}

.separator {
    width:80px;
    height:4px;
    background:var(--gris_log);
    margin:25px auto 40px;
    border-radius:5px;
}

.center {
    text-align:center;
    margin-top:40px;
}

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

header {
    position:fixed;
    top:0;
    left:0;
    width:100%;
    z-index:9999;
    transition:.35s;
}

header.scrolled {
    background:rgba(32,33,36,.97);
    box-shadow:0 5px 20px rgba(0,0,0,.25);
}

.nav-container {
    display:flex;
    justify-content:space-between;
    align-items:center;
    height:90px;
}

.logo img {
    height:65px;
}

/* LOGO PARTENAIRE (HEADER) */

.partenaire-header {
    display:flex;
    align-items:center;
    gap:10px;
    height:100%;
    margin-left:25px;
    margin-right:auto;
    text-decoration:none;
    color:white;
    transition:.3s;
}

.partenaire-header img {
    height:130%;
}

.partenaire-header span {
        align:center;
    font-size:13px;
    line-height:1.3;
    font-weight:500;
    color:var(--anthracite);
}

.partenaire-header:hover {
    opacity:.8;
}

@media (max-width:900px) {

    .partenaire-header {
        display:none;
    }

}

/* MENU DESKTOP */

#menu ul {
    display:flex;
    gap:35px;
}

#menu a {
    color:var(--noir);
    font-size: 1.05em;
    font-weight:700;
    position:relative;
    transition:.3s;


}

#menu a::after {
    content:"";
    position:absolute;
    left:0;
    bottom:-8px;
    width:0;
    height:2px;
    background:var(--rouge_log);
    transition:.3s;
}

#menu a:hover {
    color:var(--gris_log);
    font-weight:700;
}

#menu a:hover::after {
    width:100%;

}


/* Header avec fond (scrolled) : menu en noir */

header.scrolled #menu a {
    color:var(--gris_log-hover);
}
header.scrolled #menu a:hover {
    color:var(--gris_log);

}
header.scrolled #menu a::after {
    background:var(--rouge_log);
}


header.scrolled .partenaire-header span {
    color:var(--gris_log-hover);
}

header.scrolled .partenaire-header span :hover {
    color:var(--gris_log);
}



/* BURGER */

#burger {
    display:none;
    background:none;
    border:none;
    cursor:pointer;
}

#burger span {
    display:block;
    width:28px;
    height:3px;
    background:white;
    margin:6px 0;
    border-radius:3px;
    transition:.3s;
}

/* MENU MOBILE */

#menu.open {
    display:block;
}



/* ==========================================================
   BOUTONS
========================================================== */

.btn-gris_log {
    display:inline-block;
    background:var(--gris_log);
    color:white;
    padding:16px 36px;
    border-radius:40px;
    font-weight:600;
    transition:.35s;
}

.btn-gris_log:hover {
    background:var(--gris_log-hover);
    transform:translateY(-3px);
}

.btn-white {
    display:inline-block;
    border:2px solid white;
    color:white;
    padding:16px 36px;
    border-radius:40px;
    margin-left:15px;
    transition:.35s;
}

.btn-white:hover {
    background:white;
    color:var(--anthracite);
}

/* ==========================================================
   HERO / SLIDER
========================================================== */

.hero{
    position:relative;
    width:100%;
    height:100vh;
    overflow:hidden;
}

.slider{
    position:relative;
    width:100%;
    height:100%;
}

.slide{
    position:absolute;
    inset:0;
    opacity:0;
    visibility:hidden;
    transition:opacity 2s ease;
}

.slide.active{
    opacity:1;
    visibility:visible;
    z-index:2;
}

.slide img{
    width:100%;
    height:100%;
    object-fit:cover;
    transform:scale(1);
}

.slide.active img{
    animation:kenburns 8s linear forwards;
}

@keyframes kenburns{

    from{
        transform:scale(1);
    }

    to{
        transform:scale(1.08);
    }

}
/* OVERLAY HERO */

.overlay {
    position:absolute;
    inset:0;
    z-index:5;
    background:linear-gradient(rgba(0,0,0,.45), rgba(0,0,0,.45));
    display:flex;
    justify-content:center;
    align-items:center;
}

.hero-content {
    text-align:center;
    color:white;
    width:100%;
    max-width:900px;
    animation:fadeUp 1.2s ease;
}

.hero-logo {
    width:300px;
    margin:0 auto 20px;
}

.hero-content h1 {
    color:white;
    font-size:56px;
    letter-spacing:2px;
    margin-bottom:8px;
    text-transform:uppercase;
}

.hero-content h2 {
    color:white;
    font-weight:400;
    font-size:24px;
}

.hero-content p {
    font-size:18px;
    margin-bottom:25px;
}

.hero-buttons {
    display:flex;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
}

/* ANIMATION */

@keyframes fadeUp {
    from { opacity:0; transform:translateY(50px); }
    to { opacity:1; transform:translateY(0); }
}

/* ==========================================================
   PAGES HEADER
========================================================== */

.page-header {
    margin-top:90px;
    padding:80px 0;
    background:#f5f5f5;
    text-align:center;
}

.page-header h1 {
    color:#202124;
    font-size:48px;
}

/* ==========================================================
   SERVICES (HOME + PAGE)
========================================================== */

/* grid home */
.services-grid {
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:18px;
    margin-top:30px;
}

.service-card {
    display:flex;
    align-items:center;
    gap:15px;
    background:#fff;
    padding:18px;
    border-radius:8px;
    box-shadow:0 3px 10px rgba(0,0,0,.08);
    transition:.2s;
}

.service-card:hover {
    transform:translateY(-3px);
}

.service-card img {
    width:75px;
    height:75px;
    object-fit:contain;
}

.service-card h3 {
    margin:0 0 5px;
    color:#1d3557;
    font-size:20px;
}

.service-card p {
    margin:0;
    color:#666;
    font-size:15px;
    line-height:1.4;
}

@media(max-width:900px) {
    .services-grid {
        grid-template-columns:1fr;
    }
}

/* cards page savoir-faire */
.service-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
    gap:30px;
}

.service-card2 {
    background:#fff;
    border-radius:14px;
    overflow:hidden;
    box-shadow:0 10px 25px rgba(0,0,0,.12);
    transition:.35s;
    text-align:center;
}

.service-card2:hover {
    transform:translateY(-8px);
}

.service-card2 img {
    width:100%;
    height:240px;
    object-fit:cover;
}

.service-content {
    padding:25px;
}

/* ==========================================================
   GALERIE / CHANTIERS
========================================================== */

/* gallery unique (fusion propre des doublons) */
.gallery {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:25px;
}

.gallery-item {
    overflow:hidden;
    border-radius:12px;
    box-shadow:0 10px 30px rgba(0,0,0,.12);
    cursor:pointer;
}

.gallery-item img {
    width:100%;
    height:260px;
    object-fit:cover;
    transition:.4s;
}

.gallery-item:hover img {
    transform:scale(1.08);
}

/* chantiers */
.chantier-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(360px,1fr));
    gap:35px;
}

.chantier-card {
    background:#fff;
    border-radius:15px;
    overflow:hidden;
    box-shadow:0 15px 40px rgba(0,0,0,.10);
    transition:.35s;
}

.chantier-card:hover {
    transform:translateY(-8px);
}

.chantier-card img {
    width:100%;
    height:280px;
    object-fit:cover;
}

.chantier-content {
    padding:25px;
}

.chantier-content .btn-gris_log {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

.chantier-content h3 {
    text-align: center;
}

.chantier-content p {
    text-align: justify;
    hyphens: auto;
}


.chantier-content small {
    color:#888;
    display:block;
    margin-bottom:20px;
}

/* ==========================================================
   LIGHTBOX
========================================================== */

#lightbox {
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.95);
    display:none;
    justify-content:center;
    align-items:center;
    z-index:99999;
}

#lightbox img {
    max-width:90%;
    max-height:85vh;
    border-radius:8px;
}

#close {
    position:absolute;
    top:25px;
    right:40px;
    color:white;
    font-size:45px;
    cursor:pointer;
}

#prev, #next {
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    color:white;
    font-size:60px;
    cursor:pointer;
    user-select:none;
}

#prev { left:30px; }
#next { right:30px; }

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

.contact {
    background:#f5f5f5;
}

.contact-form {
    max-width:700px;
    margin:auto;
    background:white;
    padding:40px;
    border-radius:12px;
    box-shadow:0 15px 40px rgba(0,0,0,.12);
}

.contact-form input,
.contact-form textarea {
    width:100%;
    padding:16px;
    margin-bottom:20px;
    border:1px solid #ddd;
    border-radius:8px;
    font-size:16px;
    font-family:Poppins,sans-serif;
}

.contact-form textarea {
    min-height:180px;
    resize:vertical;
}

.contact-form button {
    width:100%;
    padding:18px;
    background:var(--gris_log);
    color:white;
    border:none;
    border-radius:40px;
    font-size:18px;
    cursor:pointer;
    transition:.3s;
}

.contact-form button:hover {
    background:var(--gris_log-hover);
        transform:translateY(-3px);
}

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


.footer {

    width: calc(100% - 0px);
    margin: 0 auto;

    background: #A3A3A3;

    padding: 15px 50px 0;

}


/* 4 colonnes */

.footer-grid {

    display: grid;

grid-template-columns: minmax(0, 160px) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);

    align-items: center;

    gap: 40px;

}


/* Colonnes */

.footer-col h3 {

    margin-bottom:20px;

    font-size:22px;

}


.footer-col ul {

    list-style:none;

    padding:0;

}


.footer-col li {

    margin-bottom:10px;

}


.footer-col a:hover {

    text-decoration:none;
        color:var(--rouge_log);
            font-weight:600;
}


.footer-col a {

    text-decoration:none;
        color:var(--anthracite);

}




/* Logo centre */

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


.footer-logo img {

    width:320px;

    max-width:60%;

}


.footer-logo p {

    margin-top:10px;

    line-height:1.5;

}


/* Informations droite */

.footer-col:last-child {

    text-align:right;

}



.footer-col:last-child h3 {
    text-align: left;
}


/* Carte Google Maps */

.footer-map {

    border-radius: 10px;

    overflow: hidden;

    line-height: 0;

}

.footer-map iframe {

    width: 100%;

    height: 160px;

    border: 0;

    display: block;

}

.footer-info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
    text-align: left;
}

.footer-info-icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    border-radius: 50%;
    background-color: var(--rouge_log);
    padding: 6px;
    box-sizing: border-box;
    object-fit: contain;
}

.footer-info-icon:hover{
          background-color:var(--noir);
}


/* Barre copyright */

.footer-bottom {

    margin-top:30px;

    margin-left:-50px;

    margin-right:-50px;

    background:rgba(32,33,36,.97);

    color:var(--gris_log-hover);

    text-align:center;

    padding:8px;

}

@media(max-width:768px) {
    .footer-grid {
        grid-template-columns:1fr;
        text-align:center;
    }

    .footer-col,
    .footer-col:last-child {
        text-align:center;
    }

    .footer-map iframe {
        height: 220px;
    }


}

/* ==========================================================
   ALERTS
========================================================== */

.success {
    background:#d4edda;
    color:#155724;
    border:1px solid #c3e6cb;
    padding:15px;
    border-radius:6px;
    margin-bottom:20px;
}

.error {
    background:#f8d7da;
    color:#721c24;
    border:1px solid #f5c6cb;
    padding:15px;
    border-radius:6px;
    margin-bottom:20px;
}
/* ==========================================================
   ULTRA RESPONSIVE PRO - MOBILE FIRST (AGENCE LEVEL)
========================================================== */

/* =========================
   TABLETTE & PETIT LAPTOP
========================= */

@media (max-width: 1100px) {

    .container {
        width: 92%;
    }

    h1 {
        font-size: 46px;
    }

    h2 {
        font-size: 30px;
    }

    .hero-content h1 {
        font-size: 48px;
    }

    .hero-logo {
        width: 190px;
    }

    .chantier-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

}

/* =========================
   MOBILE PREMIUM (<= 900px)
========================= */

@media (max-width: 900px) {

    /* HEADER CLEAN */
    .nav-container {
        height: 70px;
    }

    header.scrolled {
        backdrop-filter: blur(8px);
        background: rgba(32,33,36,.92);
    }

    .logo img {
        height: 48px;
    }



    /* MENU MOBILE ULTRA CLEAN */

    #burger {
        display: block;
        z-index: 99999;
    }


    
    #menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(32,33,36,.98);
        backdrop-filter: blur(10px);
        transition: .35s ease;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    #menu.open {
        right: 0;
    }

    #menu ul {
        flex-direction: column;
        gap: 28px;
        text-align: center;
    }

    #menu a {
                    color:var(--gris_log);
        font-size: 20px;
        font-weight: 600;
        letter-spacing: 1px;
    }

#menu a:hover {
    color:var(--gris_log-hover);

}


    /* BURGER ANIMATION FEEL */
    #burger span {
        background:var(--anthracite);
        height: 3px;
        width: 30px;
    }
    
header.scrolled #burger span{
        background:white;
}
    /* HERO MOBILE UX OPTIMISÉ */
    .hero {
        height: 80vh;
    }

    .overlay {
        padding: 20px;
    }

    .hero-logo {
        width: 170px;
        margin-bottom: 15px;
    }

    .hero-content h1 {
        font-size: 32px;
        letter-spacing: 1px;
    }

    .hero-content h2 {
        font-size: 16px;
    }

    .hero-content p {
        font-size: 15px;
        margin-bottom: 20px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }

    .btn-gris_log,
    .btn-white {
        width: 100%;
        padding: 14px 20px;
        font-size: 14px;
        border-radius: 30px;
    }

    /* SECTIONS AIRY DESIGN */
    section {
        padding: 25px 0;
    }

    /* SERVICES MOBILE ULTRA LISIBLE */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .service-card {
        padding: 14px;
        gap: 12px;
        border-radius: 10px;
    }

    .service-card img {
        width: 42px;
        height: 42px;
    }

    .service-card h3 {
        font-size: 17px;
    }

    .service-card p {
        font-size: 13px;
    }

    /* GALERIE OPTIMISÉE TACTILE */
    .gallery {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .gallery-item img {
        height: 200px;
    }

    /* CHANTIERS MOBILE CLEAN */
    .chantier-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .chantier-card img {
        height: 200px;
    }

    .chantier-content {
        padding: 18px;
    }

    .chantier-content h3 {
        font-size: 18px;
    }

    .chantier-content small {
        font-size: 13px;
    }

    /* PAGE HEADER CLEAN */
    .page-header {
        padding: 50px 0;
    }

    .page-header h1 {
        font-size: 28px;
    }

    .page-header p {
        font-size: 14px;
    }

    /* LIGHTBOX MOBILE SAFE */
    #prev, #next {
        font-size: 38px;
    }

    #close {
        font-size: 32px;
        top: 15px;
        right: 15px;
    }
}

/* =========================
   SMALL PHONE (<= 480px)
========================= */

@media (max-width: 480px) {

    h1 {
        font-size: 26px;
    }

    h2 {
        font-size: 22px;
    }

    .hero {
        height: 75vh;
    }

    .hero-logo {
        width: 180px;
    }

    .hero-content h1 {
        font-size: 24px;
    }

    .hero-content p {
        font-size: 13px;
    }

    .btn-gris_log,
    .btn-white {
        font-size: 13px;
        padding: 12px 16px;
    }

    .service-card {
        padding: 12px;
    }

    .service-card img {
        width: 36px;
        height: 36px;
    }

    .chantier-content {
        padding: 14px;
    }

    .contact-form {
        padding: 20px;
        border-radius: 10px;
    }

    .footer-grid {
        padding: 35px 0;
    }
}

/* ==========================================================
   AGENCY PRO ANIMATIONS (PC)
========================================================== */

/* =========================
   BASE SMOOTH
========================= */

html {
    scroll-behavior: smooth;
}

/* =========================
   GLOBAL ANIMATION HELPERS
========================= */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all .8s cubic-bezier(.2,.8,.2,1);
    will-change: transform, opacity;
}

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

/* =========================
   HOVER PREMIUM CARDS
========================= */

.service-card,
.service-card2,
.chantier-card,
.gallery-item {
    transition: transform .35s ease, box-shadow .35s ease;
}

.service-card:hover,
.service-card2:hover,
.chantier-card:hover,
.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,.18);
}

/* =========================
   IMAGE ZOOM PREMIUM
========================= */

.gallery-item img,
.chantier-card img,
.service-card2 img {
    transition: transform .6s ease;
}

.gallery-item:hover img,
.chantier-card:hover img,
.service-card2:hover img {
    transform: scale(1.08);
}


/* =========================
   BUTTONS MICRO INTERACTION
========================= */

.btn-gris_log,
.btn-white {
    transition: all .25s ease;
}

.btn-gris_log:hover,
.btn-white:hover {
    transform: translateY(-3px);
}

/* =========================
   NAV PREMIUM EFFECT
========================= */

header {
    transition: background .4s ease, box-shadow .4s ease;
}

header.scrolled {
    backdrop-filter: blur(10px);
}

/* =========================
   PAGE TITLE ANIMATION
========================= */

.page-header h1 {
    animation: fadeDown .9s ease both;
}

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

.honeypot{
    position:absolute;
    left:-10000px;
    top:auto;
    width:1px;
    height:1px;
    overflow:hidden;
}




/* Header des pages internes */
.page-header + * {
    margin-top: 0;
}



/* ==========================================================
   LOGOS PARTENAIRES - BANDEAU DEFILANT
========================================================== */

.partenaires {
    padding: 60px 0 70px;
    background: var(--gris);
    overflow: hidden;
}

.partenaires .container {
    text-align: center;
    margin-bottom: 40px;
}

.partenaires-marquee {
    width: 100%;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(
        to right,
        transparent 0,
        #000 80px,
        #000 calc(100% - 80px),
        transparent 100%
    );
    mask-image: linear-gradient(
        to right,
        transparent 0,
        #000 80px,
        #000 calc(100% - 80px),
        transparent 100%
    );
}

.partenaires-track {
    display: flex;
    align-items: center;
    width: max-content;
    animation: defilement-partenaires 30s linear infinite;
}

.partenaires-marquee:hover .partenaires-track {
    animation-play-state: paused;
}

.partenaire-logo {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 70px;
    width: 150px;
    margin: 0 25px;
}

.partenaire-logo img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: transform .3s ease;
}

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

@keyframes defilement-partenaires {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}

@media (max-width: 600px) {

    .partenaire-logo {
        height: 55px;
        width: 110px;
        margin: 0 18px;
    }

}

/* ==========================================================
   DOCUMENTS
========================================================== */

.documents-section {
    padding: 80px 0;
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 25px;
}

.document-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    padding: 30px 15px;
    text-decoration: none;
    transition: .3s;
}

.document-card:hover {
    border-color: var(--gris_log);
    box-shadow: 0 10px 25px rgba(0,0,0,.08);
    transform: translateY(-3px);
}

.document-icone {
    font-size: 48px;
    width: 100%;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.document-icone img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 6px;
}

.document-infos h3 {
    font-size: 15px;
    color: var(--anthracite);
    word-break: break-word;
}

@media (max-width: 600px) {

    .documents-grid {
        grid-template-columns: 1fr;
    }

}