/* 🎨 Palette de couleurs */
:root {
    --primary-color: #0044cc;   /* Bleu principal */
    --secondary-color: #00b894; /* Vert complémentaire */
    --accent-color: #ffe082;    /* Jaune doux */
    --danger-color: #e17055;    /* Rouge orangé */
    --white-color: #ffffff;     /* Blanc */
    --dark-color: #333333;      /* Gris foncé */
}

/* 🌍 Base */
body {
    font-family: DejaVu Sans, sans-serif;
    font-size: 14px; /* plus lisible */
    margin: 0;
    padding: 0;
    color: var(--dark-color);
    background-color: #fdfdfd;
}

/* 🔘 Boutons */
.btn,
.btn-primary {
    transition: background 0.3s, color 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 8px rgba(9, 5, 238, 0.08);
}

.btn-primary {
    background: var(--primary-color);
    border: none;
}

.btn-primary:hover, .btn-primary:focus {
    background: var(--secondary-color);
    color: #fff;
    box-shadow: 0 4px 16px rgba(0, 184, 148, 0.15);
}

/* 🔗 Liens */
a, .nav-link {
    transition: color 0.2s;
    color: var(--dark-color);
}

a:hover, .nav-link:hover, .nav-link:focus {
    color: var(--secondary-color);
    text-decoration: underline;
}

.nav-link.active {
    color: var(--primary-color) !important;
    font-weight: bold;
    border-bottom: 2px solid var(--primary-color);
}

/* 🧭 Navbar */
header.shadow-bottom {
    transition: box-shadow 0.3s, background 0.3s;
}

header.shadow-bottom.sticky-top {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 2px 12px rgba(36, 39, 56, 0.07);
}

.navbar {
    padding: 15px;
    z-index: 1050;
    transition: background 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.navbar.fixed-top {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand span {
    color: var(--primary-color);
}

/* 👤 Boutons login/register */
.btn-login {
    background-color: transparent;
    color: var(--primary-color) !important;
    border: 2px solid var(--primary-color);
    padding: 8px 15px;
    border-radius: 5px;
    transition: 0.3s ease-in-out;
}

.btn-login:hover {
    background-color: var(--primary-color);
    color: white !important;
}

.btn-register {
    background-color: var(--danger-color);
    color: white !important;
    padding: 8px 15px;
    border-radius: 5px;
    transition: 0.3s ease-in-out;
}

.btn-register:hover {
    background-color: white;
    color: var(--danger-color) !important;
    border: 2px solid var(--danger-color);
}

/* 📋 Dropdown */
.dropdown-menu {
    background-color: var(--white-color);
    border-radius: 5px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}

.dropdown-item {
    color: var(--primary-color);
    font-weight: bold;
    transition: 0.3s ease-in-out;
}

.dropdown-item:hover {
    background-color: rgba(0, 68, 204, 0.1);
}

.dropdown-item.text-danger:hover {
    background-color: rgba(255, 0, 0, 0.1);
}

/* 🖼️ Images fixes */
.img-fixed {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 5px;
}

/* 💳 Cartes */
.card, .partner-card, .article-card {
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.card:hover, .partner-card:hover, .article-card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* 📝 Formulaires */
.form-control {
    border: 1px solid #e0e0e0;
    background: #fafbff;
    transition: border 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--accent-color);
}

/* 📱 Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 10px;
    }
    body {
        padding-top: 60px;
    }
}