@charset "utf-8";

/* ==========================================
   BASES & STRUCTURE
   ========================================== */
body {
    font-family: 'Montserrat', sans-serif;
    background-color: #fff;
    margin: 0;
    color: #1a1a1a;
    line-height: 1.8;
}

#container { 
    width: 100%; 
    overflow: hidden; 
}

/* ==========================================
   HERO SECTION - PLEIN ÉCRAN (100VH)
   ========================================== */
.etude-hero {
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), 
                url('../images/plan-etude-de-projet-paysagiste.jpg') no-repeat center center;
    background-size: cover;
    background-attachment: fixed; /* Effet de profondeur au scroll */
    height: 100vh; /* Remplit tout l'écran */
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
}

.etude-hero h1 {
    font-size: clamp(30px, 6vw, 55px);
    font-weight: 200;
    text-transform: uppercase;
    letter-spacing: 12px;
    margin-bottom: 15px;
}

.etude-hero .subtitle {
    font-size: clamp(14px, 2vw, 18px);
    font-weight: 300;
    letter-spacing: 3px;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   MISE EN PAGE DU CONTENU
   ========================================== */
.etude-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 5%;
}

.project-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 80px;
}

.etude-content h2 {
    font-size: 32px;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 30px;
    border-bottom: 3px solid #000;
    display: inline-block;
    padding-bottom: 10px;
}

.etude-content h3 {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 20px;
    margin-top: 40px;
}

/* GRILLE DES LIVRABLES (LES BOXES) */
.deliverables-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 40px 0;
}

.deliverable-item {
    background: #f9f9f9;
    padding: 30px;
    border: 1px solid #eee;
    transition: 0.3s ease;
}

.deliverable-item:hover {
    background: #f0f0f0;
    border-color: #ddd;
}

.deliverable-item strong {
    display: block;
    font-size: 14px;
    text-transform: uppercase;
    margin-bottom: 10px;
    color: #000;
    letter-spacing: 1px;
}

.deliverable-item p {
    font-size: 13px;
    margin: 0;
    color: #666;
    line-height: 1.6;
}

/* ==========================================
   SIDEBAR (RÉALISATIONS)
   ========================================== */
.etude-sidebar h3 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 3px;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
    margin-bottom: 25px;
}

.mini-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.mini-grid img {
    width: 100%;
    height: 110px;
    object-fit: cover;
    filter: grayscale(100%);
    transition: 0.5s ease;
    cursor: pointer;
}

.mini-grid img:hover {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.sidebar-info {
    margin-top: 30px;
    font-size: 13px;
    font-style: italic;
    color: #888;
}

/* ==========================================
   FOOTER NOIR HARMONISÉ
   ========================================== */
.black-footer {
    background: #000;
    color: #ffffff;
    padding: 80px 20px 40px;
    text-align: center;
    border-top: 1px solid #1a1a1a;
    clear: both;
}

.top-link { 
    margin-bottom: 50px; 
}

.top-link a { 
    color: #ffffff !important; 
    text-decoration: none; 
    font-size: 11px; 
    text-transform: uppercase; 
    letter-spacing: 2px; 
    opacity: 0.6; 
    transition: 0.3s ease; 
}

.top-link a:hover, .top-link a:active { 
    color: #3498db !important; 
    opacity: 1; 
}

.footer-info h3 { 
    font-weight: 200; 
    text-transform: uppercase; 
    letter-spacing: 5px; 
    font-size: 22px; 
    margin-bottom: 15px; 
}

.lieu-intervention { 
    font-size: 13px; 
    color: #888; 
    margin-bottom: 25px; 
    text-transform: uppercase; 
    letter-spacing: 1px;
}

.contact-details a { 
    color: #fff; 
    text-decoration: none; 
    font-size: 15px; 
    margin: 0 15px; 
    transition: 0.3s;
}

.contact-details a:hover { color: #3498db; }

.footer-legal { 
    margin-top: 50px; 
    padding-top: 25px; 
    border-top: 1px solid #222; 
}

.footer-legal a { 
    color: #666; 
    text-decoration: none; 
    font-size: 10px; 
    margin: 0 15px; 
    text-transform: uppercase; 
    letter-spacing: 1px;
}

.copyright { 
    font-size: 9px; 
    color: #444; 
    margin-top: 30px; 
    text-transform: uppercase; 
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 900px) {
    .project-layout { grid-template-columns: 1fr; }
    .deliverables-grid { grid-template-columns: 1fr; }
    .etude-hero h1 { letter-spacing: 6px; }
    .contact-details a { display: block; margin: 10px 0; }
    .etude-sidebar { margin-top: 60px; }
}