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

.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: var(--spacing-lg);
}

.logo img {
    width: 10rem;
    height: auto;
}

.nav {
    display: none;
}

.nav-list {
    display: flex;
    list-style: none;
}

.nav-list li {
    display: flex;
}

.nav-link {
    font-size: var(--font-size-base);
    transition: color var(--transition-base);
    font-family: var(--font-family-heading);
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-md);
}

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

header .btn {
    display: none;
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.5rem;
}

.hamburger {
    width: 1.5rem;
    height: 2px;
    background-color: var(--color-button);
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

.mobile-menu-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav.mobile-open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md) 0;
}

.nav.mobile-open .nav-list {
    flex-direction: column;
}

@media (min-width: 990px) {
    .nav {
        display: block;
        margin-left: auto;
    }
    
    header .btn {
        display: inline-block;
        border-radius: var(--radius-full);
        font-size: var(--font-size-base);
        padding: 0.625rem 1.625rem;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
}