/* ==========================================================================
   Basin Supply Kuwait - responsive.css
   Breakpoints: 1200 / 1024 / 991 (nav switch) / 767 / 560 / 400
   ========================================================================== */

@media (max-width: 1200px) {
    .nav__link { padding-inline: 0.65rem; font-size: 0.92rem; }
    .nav__link::after { left: 0.65rem; right: 0.65rem; }
}

@media (max-width: 1024px) {
    .grid--content { grid-template-columns: minmax(0, 1fr); }
    .grid--content .content-aside { display: none; }
    .site-footer__top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .site-footer__brand { grid-column: 1 / -1; }
    .gallery-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ------------------------------------------------- mobile navigation -- */

@media (max-width: 991px) {
    .nav-toggle { display: inline-flex; }

    .nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(360px, 86vw);
        display: block;
        padding: var(--space-6) var(--space-5) var(--space-8);
        background: var(--paper);
        border-left: 3px solid var(--primary-color);
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
        overscroll-behavior: contain;
        transform: translateX(102%);
        transition: transform 320ms var(--ease);
        z-index: 100;
    }
    body.nav-open .nav { transform: none; }

    .nav__list { display: block; }
    .nav__item { border-bottom: 1px solid var(--border-color); }

    .nav__link {
        width: 100%;
        justify-content: space-between;
        padding: 1rem 0.25rem;
        font-size: 1.05rem;
    }
    .nav__link::after { display: none; }
    .nav__item.is-current .nav__link { border-left: 3px solid var(--primary-color); padding-left: 0.75rem; }

    .nav__dropdown {
        position: static;
        min-width: 0;
        padding: 0 0 var(--space-3);
        border: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }
    .nav__item.is-open > .nav__dropdown { display: block; }
    .nav__dropdown a { padding-left: 1rem; border-left: 2px solid var(--border-color); }

    .nav__close {
        display: inline-flex !important;
        margin-bottom: var(--space-5);
    }

    .utility-bar__member { display: none; }
}

@media (min-width: 992px) {
    .nav__close { display: none !important; }
    .nav-backdrop { display: none; }
}

/* --------------------------------------------------------------- 767 -- */

@media (max-width: 767px) {
    :root { --header-h: 68px; --header-h-compact: 60px; }

    .grid--2,
    .grid--3 { grid-template-columns: minmax(0, 1fr); }

    .hero { min-height: clamp(400px, 76vh, 560px); align-items: flex-end; }
    .hero__title { max-width: 100%; }
    .hero__controls { left: var(--gutter); right: auto; bottom: 1rem; }
    .hero__inner { padding-bottom: 4.5rem; }
    .hero__actions .btn { flex: 1 1 auto; justify-content: center; }

    .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .gallery-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }

    .site-footer__top { grid-template-columns: minmax(0, 1fr); gap: var(--space-5); }
    .site-footer__bottom { flex-direction: column; align-items: flex-start; }

    .watermark--right { display: none; }

    /* Alliances: table collapses into one record card per agreement */
    .data-table,
    .data-table tbody,
    .data-table tr,
    .data-table td { display: block; width: 100%; }
    .data-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
    .data-table tr {
        border: 1px solid var(--border-color);
        border-left: 3px solid var(--primary-color);
        margin-bottom: var(--space-4);
        padding: var(--space-3) var(--space-4);
        background: var(--paper);
    }
    .data-table td {
        display: grid;
        grid-template-columns: 8.5rem minmax(0, 1fr);
        gap: var(--space-3);
        padding: 0.5rem 0;
        border-bottom: 1px dashed var(--border-color);
    }
    .data-table td:last-child { border-bottom: 0; }
    .data-table td::before {
        content: attr(data-label);
        font-family: var(--font-mono);
        font-size: 0.68rem;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--text-muted);
        padding-top: 0.2rem;
    }
    .data-table td:first-child { width: 100%; }
    .data-table td > .chip { justify-self: start; }

    .info-list__row { grid-template-columns: minmax(0, 1fr); gap: 0.2rem; }

    .spec-list { grid-template-columns: minmax(0, 1fr); }
}

/* --------------------------------------------------------------- 560 -- */

@media (max-width: 560px) {
    .utility-bar { font-size: 0.68rem; }
    .brand img { height: 38px; }
    .site-header.is-stuck .brand img { height: 34px; }
    .index-list__label { font-size: var(--step-1); }
    .lightbox__prev { left: 0.25rem; }
    .lightbox__next { right: 0.25rem; }
    .lightbox__btn { width: 40px; height: 40px; }
}

/* --------------------------------------------------------------- 400 -- */

@media (max-width: 400px) {
    .gallery-grid { grid-template-columns: minmax(0, 1fr); }
    .gallery-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero__actions { flex-direction: column; align-items: stretch; }
    .data-table td { grid-template-columns: minmax(0, 1fr); gap: 0.15rem; }
}

/* ------------------------------------------------------------- print -- */

@media print {
    .site-header, .to-top, .hero__controls, .nav-backdrop, .lightbox { display: none !important; }
    body { color: #000; background: #fff; }
    .section { padding-block: 1rem; }
}