/* ============================================
   KRISHI GLOBAL - Responsive Styles
   Mobile-First, PWA-Like Experience
   ============================================ */

/* ---- Large Desktop (1400px+) ---- */
@media (min-width: 1400px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* ---- Tablet Landscape (1024px) ---- */
@media (max-width: 1024px) {
    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        gap: var(--space-10);
    }

    .hero__deco {
        display: none;
    }

    .hero__stats {
        gap: var(--space-8);
    }

    .product-detail {
        gap: var(--space-8);
    }
}

/* ---- Tablet Portrait (768px) ---- */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    /* Show mobile navigation */
    .bottom-nav {
        display: block;
    }

    body {
        padding-bottom: var(--bottom-nav-height);
    }

    /* Header */
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 100vh;
        height: 100dvh;
        background: var(--gray-900);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-8);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1000;
    }

    .nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .menu-toggle.active .menu-toggle__bar::before,
    .menu-toggle.active .menu-toggle__bar::after {
        background: var(--white);
    }

    .nav__link {
        font-family: var(--font-display);
        font-size: var(--text-4xl);
        font-weight: 500;
        color: var(--white);
        padding: 0;
        background: none !important;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .nav__link:hover, .nav__link.active {
        color: var(--gold) !important;
    }

    .nav.active .nav__link {
        opacity: 1;
        transform: translateY(0);
    }

    .nav.active .nav__link:nth-child(1) { transition-delay: 0.1s; }
    .nav.active .nav__link:nth-child(2) { transition-delay: 0.15s; }
    .nav.active .nav__link:nth-child(3) { transition-delay: 0.2s; }
    .nav.active .nav__link:nth-child(4) { transition-delay: 0.25s; }
    .nav.active .nav__link:nth-child(5) { transition-delay: 0.3s; }

    .header__cta .btn {
        display: none;
    }

    /* Grids */
    .grid--2,
    .grid--3,
    .grid--4 {
        grid-template-columns: 1fr;
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + var(--space-10));
        padding-bottom: var(--space-12);
    }

    .hero__title {
        font-size: var(--text-4xl);
    }

    .hero__stats {
        flex-direction: column;
        gap: var(--space-6);
    }

    .hero__stat {
        display: flex;
        align-items: center;
        gap: var(--space-4);
    }

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-image img {
        height: 280px;
    }

    /* Services */
    .service-card {
        flex-direction: column;
        gap: var(--space-5);
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    /* Product Card */
    .product-card__actions {
        flex-direction: column;
        gap: var(--space-3);
    }

    .product-card__actions .btn {
        width: 100%;
    }

    /* Product Detail */
    .product-detail {
        grid-template-columns: 1fr;
    }

    .product-detail__gallery {
        position: static;
    }

    .product-detail__gallery img {
        height: 300px;
    }

    .product-detail__actions {
        flex-direction: column;
    }

    /* Footer */
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
    .footer__grid > div:nth-child(1),
    .footer__grid > div:nth-child(4) {
        grid-column: 1 / -1;
        text-align: center;
    }
    .footer__socials,
    .footer__contact-item {
        justify-content: center;
    }
    .footer__grid .header__logo {
        margin: 0 auto var(--space-4) !important;
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    /* Sections */
    .section {
        padding: var(--space-16) 0;
    }

    /* Page Header */
    .page-header {
        padding: calc(var(--header-height) + var(--space-10)) 0 var(--space-12);
    }

    .page-header__title {
        font-size: var(--text-3xl);
    }

    /* Category Filter */
    .category-filter {
        gap: var(--space-2);
    }

    .category-filter__btn {
        padding: 8px 18px;
        font-size: var(--text-xs);
    }

    /* Map */
    .map-container {
        height: 280px;
    }

    /* CTA */
    .cta {
        padding: var(--space-16) 0;
    }

    /* Floating buttons adjust */
    .floating-btns {
        bottom: calc(var(--bottom-nav-height) + 16px);
        right: 16px;
    }

    .scroll-top {
        bottom: calc(var(--bottom-nav-height) + 130px);
        right: 16px;
    }
}

/* ---- Mobile Small (480px) ---- */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }

    .section {
        padding: var(--space-12) 0;
    }

    .hero__badge {
        font-size: 0.65rem;
        padding: 6px 14px;
    }

    .hero__title {
        font-size: var(--text-3xl);
    }

    .hero__desc {
        font-size: var(--text-base);
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .btn-group {
        flex-direction: column;
    }

    .btn-group .btn {
        width: 100%;
    }

    /* Product card */
    .product-card__image {
        height: 200px;
    }

    /* Feature card */
    .feature-card {
        padding: var(--space-8) var(--space-6);
    }

    /* Page header */
    .page-header__title {
        font-size: var(--text-2xl);
    }

    /* Modal */
    .modal {
        padding: var(--space-6);
        margin: var(--space-3);
        border-radius: var(--radius-lg);
    }

    /* Trust bar */
    .trust-bar {
        gap: var(--space-8);
    }

    /* Product detail */
    .product-detail__gallery img {
        height: 240px;
    }

    .product-detail__title {
        font-size: var(--text-2xl);
    }

    .variant-tags {
        gap: var(--space-2);
    }

    .variant-tag {
        padding: 6px 14px;
        font-size: var(--text-xs);
    }

    /* Contact */
    .contact-info-card {
        padding: var(--space-8);
    }

    .contact-form-card {
        padding: var(--space-6);
    }

    /* Floating buttons */
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}

/* ---- Touch Device Optimizations ---- */
@media (hover: none) {
    .card:hover,
    .product-card:hover,
    .feature-card:hover,
    .service-card:hover {
        transform: none;
    }

    .product-card:active {
        transform: scale(0.98);
    }

    .btn:hover {
        transform: none;
    }

    .btn:active {
        transform: scale(0.96);
    }
}

/* ---- Safe area for notched phones ---- */
@supports (padding: env(safe-area-inset-bottom)) {
    .bottom-nav {
        padding-bottom: env(safe-area-inset-bottom);
    }

    .floating-btns {
        bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom) + 16px);
    }
}

/* ---- PWA standalone mode ---- */
@media (display-mode: standalone) {
    .header {
        padding-top: env(safe-area-inset-top);
    }
}

/* ---- Print Styles ---- */
@media print {
    .header,
    .bottom-nav,
    .floating-btns,
    .scroll-top,
    .modal-overlay {
        display: none !important;
    }

    body {
        padding: 0;
        background: white;
        color: black;
    }

    .section {
        padding: 1rem 0;
    }
}

/* ---- Prefers reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ---- Dark mode support (future) ---- */
@media (prefers-color-scheme: dark) {
    /* Reserved for future dark mode implementation */
}

/* ---- Products Grid 2-column on tablet ---- */
@media (min-width: 481px) and (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}