body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: #333;
}

/* HEADER */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: white;
    border-bottom: 2px solid #e5e5e5;
}

.logo {
    height: 70px;
    margin-right: 20px;
}

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

header h1 {
    font-size: 18px;
    font-weight: 600;
    color: #2e7d32;
}

.btn-header {
    background: #2e7d32;
    color: white;
    padding: 12px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
}

/* BANNER */
.banner {
    background: #2e7d32;
    color: white;
    text-align: center;
    padding: 18px;
    font-size: 20px;
    font-weight: 500;
}

/* SECTIONS */
section {
    padding: 40px;
    max-width: 1100px;
    margin: auto;
}

h2 {
    color: #2e7d32;
    font-size: 28px;
    margin-bottom: 20px;
}

/* SERVICES */
.service-grid {
    display: flex;
    gap: 20px;
}

.service-card {
    flex: 1;
    background: #f7f7f7;
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid #2e7d32;
}

.service-card h3 {
    margin-top: 0;
    color: #2e7d32;
}

/* RÉALISATIONS */
.real-grid {
    display: flex;
    gap: 20px;
}

.real-grid img {
    width: 48%;
    border-radius: 8px;
    object-fit: cover;
}

/* CONTACT */
.contact-grid {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.contact-grid h3 {
    color: #2e7d32;
}