.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-small);
    z-index: 1000;
    padding: 1.6rem 0;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo img {
    height: 8rem;
}

.header-nav ul {
    display: flex;
    gap: 2.4rem;
}

.header-nav a {
    color: var(--color-black);
    font-weight: 500;
    position: relative;
}

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

.header-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

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

.header-cta .btn {
    padding: 1rem 2rem;
    font-size: 1.4rem;
}

.header-mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 3rem;
    height: 2.4rem;
    background: transparent;
    border: none;
    cursor: pointer;
}

.header-mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-black);
    transition: var(--transition);
}

@media (max-width: 992px) {
    .header-nav {
        position: fixed;
        top: 7.2rem;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        padding: 2rem;
        box-shadow: var(--shadow-medium);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .header-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .header-nav ul {
        flex-direction: column;
        gap: 1.6rem;
    }
    
    .header-mobile-toggle {
        display: flex;
    }
    
    .header-mobile-toggle.active span:nth-child(1) {
        transform: translateY(10px) rotate(45deg);
    }
    
    .header-mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .header-mobile-toggle.active span:nth-child(3) {
        transform: translateY(-10px) rotate(-45deg);
    }
}

@media (max-width: 576px) {
    .header-logo img {
        height: 7rem;
    }
    
    .header-cta {
        display: none;
    }
}