/* ═══════════════════════════════════════════════
   JANSHI PURE FOOD — Responsive Stylesheet
   Breakpoints: 1024px, 768px, 480px
   ═══════════════════════════════════════════════ */

/* ── TABLET LANDSCAPE (≤1024px) ────────────── */
@media (max-width: 1024px) {

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }

    .related-products .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }

    .footer-col:last-child {
        grid-column: 1 / -1;
    }

    .values-grid {
        gap: var(--space-md);
    }

    .hero h1 {
        font-size: 2.8rem;
    }
}


/* ── TABLET PORTRAIT (≤768px) ──────────────── */
@media (max-width: 768px) {

    /* Header & Logo Sizing for Mobile/Tablet */
    :root {
        --header-height: 90px;
    }
    
    .brand-logo-img {
        height: 75px;
    }
    
    .site-header.scrolled {
        height: 80px;
    }
    
    .site-header.scrolled .brand-logo-img {
        height: 55px;
    }

    /* Navigation */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background: var(--clr-bg);
        box-shadow: var(--shadow-lg);
        padding: calc(var(--header-height) + var(--space-lg)) var(--space-lg) var(--space-lg);
        transition: right var(--transition);
        z-index: 999;
        overflow-y: auto;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 0;
        align-items: stretch;
    }

    .nav-menu a {
        display: block;
        padding: var(--space-sm) 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--clr-border);
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-overlay {
        display: block;
    }

    .btn-header {
        display: none;
    }

    /* Hero */
    .hero {
        min-height: 70vh;
        padding: var(--space-lg) 0;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-decoration {
        display: none;
    }

    /* Typography */
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.3rem; }

    /* Section spacing */
    .section {
        padding: var(--space-xl) 0;
    }

    /* Trust bar */
    .trust-items {
        gap: var(--space-md);
    }

    /* Products grid */
    .products-grid,
    .related-products .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    /* Product detail */
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .product-info h1 {
        font-size: 2rem;
    }

    .product-specs {
        flex-wrap: wrap;
    }

    /* Values */
    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .value-card {
        display: flex;
        align-items: flex-start;
        text-align: left;
        gap: var(--space-md);
        padding: var(--space-md);
    }

    .value-icon {
        margin: 0;
        flex-shrink: 0;
    }

    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    /* About */
    .about-story {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    /* Traceability */
    .trace-journey {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }

    .trace-step {
        flex-direction: row;
        text-align: left;
        max-width: 100%;
        gap: var(--space-sm);
    }

    .trace-step::after {
        display: none;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-col:last-child {
        grid-column: auto;
    }
}


/* ── MOBILE (≤480px) ───────────────────────── */
@media (max-width: 480px) {

    /* Base */
    body {
        font-size: 15px;
    }

    .container {
        padding: 0 1rem;
    }

    /* Typography */
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.15rem; }


    .logo-name {
        font-size: 1.35rem;
    }

    /* Hero */
    .hero {
        min-height: 60vh;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-badge {
        font-size: 0.7rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    /* Trust bar */
    .trust-items {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: flex-start;
        padding: 0 var(--space-sm);
    }

    /* Products */
    .products-grid,
    .related-products .products-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .product-card-body {
        padding: var(--space-sm);
    }

    /* Product detail */
    .product-info h1 {
        font-size: 1.6rem;
    }

    .spec-badge {
        padding: var(--space-xs) var(--space-sm);
        min-width: 80px;
    }

    .spec-badge .spec-value {
        font-size: 1.05rem;
    }

    /* Buttons */
    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.85rem;
    }

    .btn-lg {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    /* Section */
    .section {
        padding: var(--space-lg) 0;
    }

    .section-header {
        margin-bottom: var(--space-lg);
    }

    /* Page header */
    .page-header {
        padding: calc(65px + var(--space-lg)) 0 var(--space-lg);
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    /* Product filter */
    .products-filter {
        gap: 0.5rem;
    }

    .filter-btn {
        font-size: 0.78rem;
        padding: 0.4rem 0.9rem;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .footer-bottom {
        font-size: 0.75rem;
    }

    /* WhatsApp */
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
    }

    .whatsapp-float svg {
        width: 22px;
        height: 22px;
    }

    /* CTA Banner */
    .cta-banner {
        padding: var(--space-xl) 0;
    }

    .cta-banner h2 {
        font-size: 1.5rem;
    }

    .cta-banner p {
        font-size: 0.95rem;
    }
}


/* ── PRINT STYLES ──────────────────────────── */
@media print {
    .site-header,
    .nav-overlay,
    .whatsapp-float,
    .site-footer {
        display: none !important;
    }

    main {
        margin-top: 0 !important;
    }

    body {
        background: white;
        color: black;
        font-size: 12pt;
    }

    a {
        color: black;
        text-decoration: underline;
    }
}