/* Estilos para o Header */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-brand img {
    height: 50px;
    margin-right: 10px;
    transition: all 0.3s ease;
}

.navbar.scrolled .navbar-brand img {
    height: 40px;
}

.navbar-brand span {
    font-weight: 700;
    font-size: 22px;
    color: var(--cor-principal);
    transition: all 0.3s ease;
}

.navbar-nav {
    margin-left: auto;
}

.nav-item {
    margin: 0 5px;
    position: relative;
}

.nav-link {
    color: var(--cor-texto);
    font-weight: 500;
    padding: 10px 15px !important;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--cor-principal);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--cor-principal);
}

.nav-link:hover:before,
.nav-link.active:before {
    width: 70%;
}

.navbar-toggler {
    border: none;
    padding: 0;
    outline: none !important;
    box-shadow: none !important;
}

.navbar-toggler-icon {
    background-image: none;
    position: relative;
    width: 30px;
    height: 20px;
}

.navbar-toggler-icon:before,
.navbar-toggler-icon:after,
.navbar-toggler-icon span {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--cor-principal);
    transition: all 0.3s ease;
}

.navbar-toggler-icon:before {
    top: 0;
}

.navbar-toggler-icon span {
    top: 50%;
    transform: translateY(-50%);
}

.navbar-toggler-icon:after {
    bottom: 0;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon:before {
    transform: translateY(9px) rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span {
    opacity: 0;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon:after {
    transform: translateY(-9px) rotate(-45deg);
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: white;
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        margin-top: 15px;
    }
    
    .nav-item {
        margin: 5px 0;
    }
    
    .nav-link:before {
        left: 0;
        transform: none;
    }
    
    .nav-link:hover:before,
    .nav-link.active:before {
        width: 30px;
    }
}