body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #b6e2f7 0%, #eaf6ff 100%);
    font-family: Arial, Helvetica, sans-serif;
}

.navbar {
    width: 100%;
    background: #1a6ca8;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
}
.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.7rem 2rem;
}
.logo {
    font-size: 2rem;
    font-weight: bold;
    color: #fff;
    letter-spacing: 2px;
}
.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}
.nav-links li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.2s;
}
.nav-links li a:hover {
    color: #b6e2f7;
}

.main-content {
    margin-top: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 180px);
}

.card {
    background: rgba(255,255,255,0.95);
    border-radius: 18px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.10);
    padding: 2.5rem 2rem 2rem 2rem;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

.card h1 {
    color: #1a6ca8;
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    text-align: center;
}

.card h2 {
    color: #222;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.card ul {
    color: #222;
    font-size: 1.05rem;
    margin-bottom: 1.2rem;
    padding-left: 1.2rem;
}

.card .devis {
    color: #3A8A1B;
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    text-align: center;
}

.card .contact {
    color: #1a6ca8;
    font-size: 1.1rem;
    margin-bottom: 0.7rem;
    text-align: center;
}

.card .address {
    color: #444;
    font-size: 1rem;
    margin-bottom: 0.7rem;
    text-align: center;
}

.card .phone {
    color: #222;
    font-size: 1.1rem;
    margin-bottom: 0.7rem;
    text-align: center;
}

.card .siret {
    color: #888;
    font-size: 0.95rem;
    text-align: center;
}

.footer {
    width: 100%;
    background: #1a6ca8;
    color: #fff;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 100;
}
.footer-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.7rem 2rem;
    text-align: center;
    font-size: 1rem;
}
.footer-container span {
    color: #b6e2f7;
    font-size: 0.95em;
}