/* ============================================
   Header Styles
   ============================================ */

.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    padding: 1rem 0;
}

.logo {
    flex-shrink: 0;
}

.logo-img {
    height: 100px;
    width: auto;
    transition: var(--transition);
}

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

/* Navegação */
.nav {
    flex: 1;
    margin: 0 3rem;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Header CTA */
.header-cta {
    flex-shrink: 0;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    padding: 1rem;
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav-link {
    color: var(--gray-700);
    font-weight: 500;
    display: block;
    padding: 0.75rem;
    transition: var(--transition);
}

.mobile-nav-link:hover {
    color: var(--primary-color);
    background-color: var(--gray-100);
    border-radius: 0.5rem;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* Responsividade */
@media (max-width: 768px) {
    .header-content {
        padding: 1rem 0;
    }
    
    .nav {
        display: none;
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .logo-img {
        height: 40px;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 35px;
    }
}