/**
 * Business Cargo — Mobile & Responsive Enhancements
 */

/* Desktop: panel wrapper is transparent */
.mobile-nav-panel {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}
.mobile-nav-panel__head,
.mobile-nav-panel__foot {
    display: none;
}
.mobile-menu-backdrop {
    display: none;
}

@media (max-width: 768px) {
    :root {
        --header-height: auto;
        --mobile-drawer-width: min(340px, 92vw);
    }

    .container {
        padding: 0 16px;
    }

    /* Top bar compact */
    .top-bar {
        padding: 6px 0;
        font-size: 12px;
    }
    .top-bar__inner {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
    }
    .top-bar__location span:not(.flag-icon) {
        max-width: 160px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .top-bar__contact {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        justify-content: flex-end;
    }
    .top-bar__link {
        font-size: 11px;
        gap: 4px;
    }

    /* Header */
    .header-top {
        padding: 10px 0;
    }
    .header-top__inner {
        gap: 12px;
    }
    .logo__img {
        height: 40px;
        max-width: 150px;
    }
    .header-utils {
        display: none;
    }

    /* Main nav bar — hamburger row */
    .main-nav {
        border-top: 1px solid rgba(0, 0, 0, .08);
    }
    .main-nav__inner {
        min-height: 48px;
        justify-content: flex-start;
        gap: 0;
    }
    .portal-link {
        display: none;
    }

    /* Hamburger toggle */
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        padding: 0;
        margin-right: 4px;
        border-radius: var(--radius-sm);
        flex-shrink: 0;
        -webkit-tap-highlight-color: transparent;
    }
    .mobile-menu-toggle:active {
        background: rgba(0, 0, 0, .06);
    }
    .mobile-menu-toggle__lines {
        display: flex;
        flex-direction: column;
        gap: 5px;
        width: 22px;
    }
    .mobile-menu-toggle__lines span {
        display: block;
        width: 100%;
        height: 2px;
        background: var(--black);
        border-radius: 1px;
        transition: transform .25s ease, opacity .25s ease, width .25s ease;
        transform-origin: center;
    }
    .mobile-menu-toggle.is-active .mobile-menu-toggle__lines span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .mobile-menu-toggle.is-active .mobile-menu-toggle__lines span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }
    .mobile-menu-toggle.is-active .mobile-menu-toggle__lines span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Backdrop — below header/drawer so close button stays clickable */
    .mobile-menu-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 998;
        background: rgba(0, 0, 0, .45);
        opacity: 0;
        visibility: hidden;
        transition: opacity .3s ease, visibility .3s ease;
        -webkit-backdrop-filter: blur(2px);
        backdrop-filter: blur(2px);
    }
    .mobile-menu-backdrop:not([hidden]) {
        opacity: 1;
        visibility: visible;
    }

    /* Drawer panel */
    .mobile-nav-panel {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: var(--mobile-drawer-width);
        max-width: 100%;
        flex: none;
        flex-direction: column;
        background: var(--white);
        z-index: 1002;
        transform: translateX(105%);
        transition: transform .32s cubic-bezier(.4, 0, .2, 1);
        box-shadow: -8px 0 32px rgba(0, 0, 0, .18);
        overflow: hidden;
        padding-bottom: env(safe-area-inset-bottom, 0);
    }
    .mobile-nav-panel.is-open {
        transform: translateX(0);
    }

    .mobile-nav-panel__head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 14px 16px;
        padding-top: max(14px, env(safe-area-inset-top));
        background: var(--yellow);
        border-bottom: 1px solid rgba(0, 0, 0, .08);
        flex-shrink: 0;
    }
    .mobile-nav-panel__title {
        font-size: 16px;
        font-weight: 700;
        color: var(--black);
    }
    .mobile-nav-panel__close {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        padding: 0;
        border: none;
        border-radius: 50%;
        background: rgba(0, 0, 0, .08);
        color: var(--black);
        cursor: pointer;
        flex-shrink: 0;
        transition: background var(--transition), transform var(--transition);
        -webkit-tap-highlight-color: transparent;
    }
    .mobile-nav-panel__close:hover,
    .mobile-nav-panel__close:focus-visible {
        background: rgba(0, 0, 0, .14);
        outline: none;
    }
    .mobile-nav-panel__close:active {
        transform: scale(.94);
    }

    /* Nav list inside drawer */
    .main-nav__list {
        position: static;
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 0;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        transform: none;
    }
    .main-nav__list.is-open {
        transform: none;
    }
    .main-nav__link {
        padding: 14px 20px;
        font-size: 15px;
        border-bottom: 1px solid var(--gray-100);
        min-height: 48px;
    }
    .main-nav__link svg {
        margin-left: auto;
    }
    .has-dropdown.is-open > .main-nav__link {
        color: var(--red);
        background: var(--yellow-light);
    }
    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0 0 8px 12px;
        display: none;
        background: var(--gray-100);
    }
    .has-dropdown.is-open .dropdown {
        display: block;
    }
    .dropdown a {
        padding: 12px 16px;
        font-size: 14px;
        border-bottom: 1px solid rgba(0, 0, 0, .04);
    }
    .dropdown li:last-child a {
        border-bottom: none;
    }

    .mobile-nav-panel__foot {
        display: flex;
        flex-direction: column;
        gap: 10px;
        padding: 16px;
        padding-bottom: max(16px, env(safe-area-inset-bottom));
        border-top: 1px solid var(--gray-300);
        background: var(--gray-100);
        flex-shrink: 0;
    }

    body.menu-open {
        overflow: hidden;
        touch-action: none;
    }
    body.menu-open .site-header {
        z-index: 1001;
    }

    /* Hero & slider */
    .hero {
        min-height: 420px;
    }
    .hero__content {
        min-height: 420px;
        padding: 48px 0 56px;
    }
    .hero__title {
        font-size: 26px;
        margin-bottom: 18px;
    }
    .hero-slider__nav {
        padding: 0 6px;
    }
    .hero-slider__arrow {
        width: 38px;
        height: 38px;
        font-size: 22px;
    }
    .hero-slider__dots {
        bottom: 14px;
    }
    .tracking-form__group {
        flex-direction: column;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
    }
    .tracking-form input {
        padding: 14px 16px;
        font-size: 16px;
        border-radius: var(--radius-md) var(--radius-md) 0 0;
    }
    .btn--track {
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        width: 100%;
        padding: 14px 24px;
    }

    /* Layout grids */
    .quick-actions {
        margin-top: -40px;
    }
    .quick-actions__grid,
    .featured__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .action-card {
        padding: 24px 20px;
    }
    .business-banner__inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 24px;
    }
    .business-banner__image {
        display: flex;
        justify-content: center;
    }
    .business-banner__image img {
        width: 180px;
        height: 220px;
    }
    .form-row,
    .form-row--3,
    .info-cards {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-bottom__inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    /* Search overlay */
    .search-overlay {
        padding-top: 80px;
        padding-left: 16px;
        padding-right: 16px;
    }

    /* Floating buttons spacing */
    .whatsapp-float {
        bottom: max(16px, env(safe-area-inset-bottom));
        right: 16px;
    }
    .back-to-top {
        bottom: max(80px, calc(env(safe-area-inset-bottom) + 64px));
        right: 16px;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .top-bar__location {
        font-size: 11px;
    }
    .top-bar__contact a:nth-child(2) {
        display: none;
    }

    .hero {
        min-height: 360px;
    }
    .hero__content {
        min-height: 360px;
        padding: 36px 0 52px;
    }
    .hero__title {
        font-size: 22px;
    }
    .hero-slider__arrow {
        width: 34px;
        height: 34px;
        font-size: 20px;
    }

    .section {
        padding: 48px 0;
    }
    .service-block__content {
        padding: 28px 20px;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .promo-banner__content {
        padding: 28px 0;
    }
    .promo-banner__content h2 {
        font-size: 20px;
    }

    .btn {
        padding: 11px 18px;
        font-size: 14px;
    }
    .btn--lg {
        padding: 14px 24px;
        font-size: 15px;
    }

    .tracking-result__header {
        flex-direction: column;
        align-items: flex-start;
    }
    .tracking-result__meta {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
}

@media (max-width: 360px) {
    .mobile-nav-panel {
        width: 100%;
    }
    .tracking-result__meta {
        grid-template-columns: 1fr;
    }
}