/* =============================================
   HEADER
   ============================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-noche);
    height: var(--header-height);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.header-logo img {
    height: 48px;
    width: auto;
}

.header-logo__text {
    font-family: var(--font-titulo);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-blanco);
    text-decoration: none;
}

.header-logo__text:hover {
    color: var(--color-filamento);
}

/* Navegación escritorio */
.header-nav .nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin: 0;
}

.header-nav .nav-menu li a {
    display: block;
    padding: 0.5rem 0.9rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    border-radius: var(--radio);
    transition: all 0.2s ease;
    letter-spacing: 0.02em;
}

.header-nav .nav-menu li a:hover {
    color: var(--color-filamento);
    background: rgba(255,255,255,0.06);
}

/* Submenú */
.header-nav .nav-menu .sub-menu {
    display: none;
    position: absolute;
    top: calc(100%);
    left: -30%;
    background: var(--color-gris-dark);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radio);
    min-width: 220px;
    padding: 0.5rem;
    box-shadow: var(--sombra);
}

.header-nav .nav-menu li {
    position: relative;
}

.header-nav .nav-menu li:hover > .sub-menu {
    display: block;
}

.header-nav .nav-menu .sub-menu li a {
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    color: rgba(255,255,255,0.75);
    border-radius: calc(var(--radio) - 2px);
}

.header-nav .nav-menu .sub-menu li a:hover {
    color: var(--color-filamento);
    background: rgba(255,255,255,0.06);
}

/* Acciones */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-cart {
    position: relative;
    color: rgba(255,255,255,0.85);
    transition: color 0.2s ease;
}

.header-cart:hover {
    color: var(--color-filamento);
}

.header-cart__count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--color-acento);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Botón hamburguesa */
.header-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.header-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-blanco);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Menú móvil */
.header-mobile {
    display: none;
    background: var(--color-gris-dark);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1rem 1.5rem;
}

.header-mobile.is-open {
    display: block;
}

.nav-menu-mobile {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-menu-mobile li a {
    display: block;
    padding: 0.65rem 0.75rem;
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radio);
    transition: all 0.2s ease;
}

.nav-menu-mobile li a:hover {
    color: var(--color-filamento);
    background: rgba(255,255,255,0.06);
}

.nav-menu-mobile .sub-menu {
    padding-left: 1rem;
    margin-top: 0.25rem;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
    .header-nav { display: none; }
    .header-toggle { display: flex; }
}