/* === Navbar moderne glassmorphism === */
.navbar-glass {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    transition: all 0.3s ease;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
}

/* Navbar scrolled effect */
.navbar-glass.scrolled {
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Logo */
.navbar-brand img {
    height: 45px;
    margin-right: 10px;
    transition: transform 0.3s ease;
}

.navbar-brand img:hover {
    transform: scale(1.05);
}

/* Liens */
.navbar-nav .nav-link {
    color: #333;
    font-weight: 500;
    margin-right: 1.2rem;
    position: relative;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #1d4ed8;
}

/* Underline animation */
.navbar-nav .nav-link::after {
    content: '';
    display: block;
    width: 0%;
    height: 2px;
    background: #1d4ed8;
    transition: width 0.3s ease;
    margin-top: 4px;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
}

/* Hamburger icon */
.navbar-toggler {
    border: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba%280,0,0,0.7%29' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-nav .nav-link {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}