/* Général */
body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #faf8f8;
    color: #212529;
    scroll-behavior: smooth;
}

/* Titres */
h1, h2, h3, h4, h5 {
    color: #003366;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.navbar-brand {
    font-weight: bold;
}

.navbar-dark .navbar-nav .nav-link {
    color: #fff;
    transition: color 0.3s;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #0d6efd;
}

/* Boutons */
.btn-primary {
    background-color: #003366;
    border-color: #003366;
}

.btn-primary:hover {
    background-color: #002244;
    border-color: #002244;
}

.btn-outline-primary {
    color: #003366;
    border-color: #003366;
}

.btn-outline-primary:hover {
    background-color: #003366;
    color: #fff;
}

/* Section */
section {
    background-color: #fff;
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 0 10px rgba(0,0,0,0.03);
}

/* Cartes de projets */
.card img {
    height: 180px;
    object-fit: cover;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
}

.card-title {
    color: #003366;
}

/* Pied de page */
footer {
    background-color: #003366;
    color: #fff;
}

footer p {
    margin: 0;
}

/* Formulaire */
form input, form textarea {
    border-radius: 8px;
    border: 1px solid #ccc;
}

form input:focus, form textarea:focus {
    border-color: #003366;
    box-shadow: none;
}

/* Responsive */
@media (max-width: 768px) {
    section {
        padding: 20px;
    }

    .card img {
        height: 150px;
    }
}

/* Mode sombre */
body.dark-mode {
    background-color: #121212;
    color: #f1f1f1;
}

body.dark-mode h1, body.dark-mode h2, body.dark-mode h3,
body.dark-mode h4, body.dark-mode h5 {
    color: #fff;
}

body.dark-mode section {
    background-color: #1e1e1e;
}

body.dark-mode .navbar, body.dark-mode footer {
    background-color: #000;
}

body.dark-mode .btn-primary,
body.dark-mode .btn-outline-primary:hover {
    background-color: #f1f1f1;
    color: #000;
}