/* ===================================
   RESPONSIVE LAYOUT & BREAKPOINTS
   =================================== */
@media (max-width: 1024px) {
    :root {
        --font-size-h1: 2.75rem;
        --font-size-h2: 1.85rem;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-visual {
        order: -1;
    }

    .hero-card-stack {
        height: 380px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background-color: var(--color-background);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-subtle);
    }

    .mobile-toggle {
        display: flex;
    }

    .search-box {
        display: none;
    }

    .quickview-grid {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-group.full {
        grid-column: span 1;
    }

    .payment-methods {
        grid-template-columns: 1fr;
    }
}