.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 12px 0;
    background: rgba(11,17,32,0.8);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}
.header-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.site-logo {
    display: flex; align-items: center; gap: 8px; text-decoration: none;
}
.logo-icon {
    display: flex; align-items: center; justify-content: center;
    background: var(--gradient); color: #fff;
    font-size: 12px; font-weight: 800; letter-spacing: 1px;
    padding: 8px 12px; border-radius: var(--radius-sm);
}
.logo-text {
    font-size: 18px; font-weight: 700; letter-spacing: 2px; color: var(--text-heading);
}
.main-nav .nav-links {
    list-style: none; display: flex; gap: 4px; padding: 0; margin: 0;
}
.main-nav .nav-links li a {
    padding: 8px 18px; font-size: 14px; font-weight: 500;
    color: var(--text-muted); border-radius: var(--radius-sm);
    transition: all var(--transition); text-decoration: none;
}
.main-nav .nav-links li a:hover,
.main-nav .nav-links li.current-menu-item a {
    color: var(--text-heading); background: rgba(255,255,255,0.05);
}
.header-actions {
    display: flex; align-items: center; gap: 12px;
}
.header-social { display: flex; gap: 6px; }
.header-social .social-icon {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    color: var(--text-muted); transition: all var(--transition);
}
.header-social .social-icon:hover {
    color: var(--accent); background: rgba(59,130,246,0.1);
}
.header-icon {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    color: var(--text-muted); background: transparent; border: none;
    cursor: pointer; transition: all var(--transition); position: relative;
}
.header-icon:hover { color: var(--text-heading); background: rgba(255,255,255,0.05); }
.cart-count {
    position: absolute; top: 2px; right: 2px;
    background: var(--accent); color: #fff;
    font-size: 10px; font-weight: 700; min-width: 18px; height: 18px;
    border-radius: 9px; display: flex; align-items: center; justify-content: center;
    padding: 0 4px;
}
.cart-count:empty, .cart-count:contains("0") { display: none; }

.mobile-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
}
.mobile-toggle span {
    width: 22px; height: 2px; background: var(--text); border-radius: 2px;
    transition: all var(--transition);
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .header-social { display: none; }
    .mobile-toggle { display: flex; }
    .main-nav.active {
        display: flex; position: fixed; inset: 0; top: 70px;
        background: var(--bg); z-index: 99; padding: 32px 24px;
    }
    .main-nav.active .nav-links {
        flex-direction: column; gap: 8px; width: 100%;
    }
    .main-nav.active .nav-links li a {
        font-size: 20px; padding: 16px; display: block;
    }
}