header {
    width: 100%;
    height: 8rem;
    padding: 1rem 0;
    box-sizing: border-box;
    background-color: var(--bg-color);
}

header .header-container {
    max-width: var(--default-width);
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header .header-container .logo {
    font-size: 3.6rem;
    font-weight: bold;
    display: flex;
    align-items: center;
}

header .header-container .logo .logo-ter {
    color: var(--logo-ter-color);
}

header .header-container .logo .logo-sier {
    color: var(--logo-sier-color);
}

header .header-container nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

header .header-container nav .cart-link {
	position: relative;
    color: var(--text-color);
    font-size: 1.25rem;
}

header .header-container nav .cart-link i {
	font-size: 1.5rem;
}

header .header-container nav .cart-link .cart-count {
	position: absolute;
    top: -15px;
    right: 11px;
    background: #ef4444;
    color: #fff;
    font-size: 1rem;
    padding: 5px 5px;
    border-radius: 50%;
}

header .header-container nav a,
header .header-container nav button {
    color: inherit;
    font-size: 1.5rem;
    position: relative;
    display: flex;
    align-items: center;
}

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

header .header-container nav a:not(:last-child)::after,
header .header-container nav button:not(:last-child)::after {
    content: "";
    display: block;
    width: 0.5rem;
    height: 1rem;
    background-color: currentColor;
    opacity: 0.65;
    margin-left: 1.5rem;
    pointer-events: none;
    border-radius: 0.5rem;
}

header .header-container nav .theme-toggle {
    font-size: 1.8rem;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

header .header-container nav .theme-toggle .fa-sun {
    color: var(--icon-sun-color);
}

header .header-container nav .theme-toggle .fa-moon {
    color: var(--icon-moon-color);
}

header .header-container nav .theme-toggle .fa-sun:hover {
    color: var(--icon-hover-color);
}

header .header-container nav .theme-toggle .fa-moon:hover {
    color: var(--icon-hover-color);
}