/* ==========================================================================
   Basin Supply Kuwait - components.css
   Header, navigation, hero, cards, tables, gallery, forms, footer
   ========================================================================== */

/* ------------------------------------------------------------- header -- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 90;
    background: var(--paper);
    border-bottom: 1px solid var(--border-color);
    transition: box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.is-stuck { box-shadow: var(--shadow-md); }

.utility-bar {
    background: var(--dark-color);
    color: #9c9793;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.utility-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-height: 34px;
}
.utility-bar a { color: #cfc9c5; text-decoration: none; }
.utility-bar a:hover { color: #fff; }
.utility-bar__member { color: #8a8481; }

.header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
    min-height: var(--header-h);
    transition: min-height var(--dur) var(--ease);
}
.site-header.is-stuck .header-bar { min-height: var(--header-h-compact); }

.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img {
    width: auto;
    height: 46px;
    transition: height var(--dur) var(--ease);
}
.site-header.is-stuck .brand img { height: 38px; }

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

.nav { display: flex; align-items: center; gap: var(--space-2); }
.nav__list {
    display: flex;
    align-items: center;
    gap: clamp(0.15rem, 1vw, 0.6rem);
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav__item { position: relative; }

.nav__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.7rem 0.85rem;
    font-family: var(--font-display);
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--graphite);
    background: none;
    border: 0;
    cursor: pointer;
    white-space: nowrap;
}
.nav__link::after {
    content: "";
    position: absolute;
    left: 0.85rem;
    right: 0.85rem;
    bottom: 0.35rem;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur) var(--ease);
}
.nav__link:hover,
.nav__link:focus-visible { color: var(--primary-color); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__item.is-current .nav__link { color: var(--primary-color); }
.nav__item.is-current .nav__link::after { transform: scaleX(1); }

.nav__caret { width: 9px; height: 9px; fill: currentColor; transition: transform var(--dur) var(--ease); }
.nav__item.is-open .nav__caret { transform: rotate(180deg); }

.nav__dropdown {
    position: absolute;
    top: calc(100% - 4px);
    right: 0;
    min-width: 220px;
    margin: 0;
    padding: var(--space-2);
    list-style: none;
    background: var(--paper);
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 180ms var(--ease), transform 180ms var(--ease), visibility 180ms;
}
.nav__item.is-open > .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: none;
}
.nav__dropdown a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: 0.6rem 0.75rem;
    font-size: 0.94rem;
    color: var(--graphite);
    text-decoration: none;
    border-left: 2px solid transparent;
}
.nav__dropdown a:hover,
.nav__dropdown a:focus-visible {
    background: var(--light-color);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}
.nav__dropdown .ext-icon { width: 11px; height: 11px; fill: currentColor; opacity: 0.55; flex: 0 0 auto; }

/* Mobile toggle + drawer */

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    padding: 0;
    background: none;
    border: 1px solid var(--border-color);
    cursor: pointer;
}
.nav-toggle span {
    display: block;
    position: relative;
    width: 20px;
    height: 2px;
    background: var(--dark-color);
    transition: background 120ms var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after {
    content: "";
    position: absolute;
    left: 0;
    width: 20px;
    height: 2px;
    background: var(--dark-color);
    transition: transform var(--dur) var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(18, 16, 15, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur) var(--ease), visibility var(--dur);
    /* below .site-header (90) so the drawer inside it stays clickable */
    z-index: 85;
}
body.nav-open .nav-backdrop { opacity: 1; visibility: visible; }
body.nav-open { overflow: hidden; }

/* --------------------------------------------------------------- hero -- */

.hero {
    position: relative;
    min-height: clamp(420px, 72vh, 660px);
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: var(--dark-color);
    isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1200ms var(--ease);
}
.hero__slide.is-active { opacity: 1; }
.hero__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.hero__scrim {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(100deg, rgba(46, 13, 10, 0.94) 0%, rgba(18, 16, 15, 0.78) 42%, rgba(18, 16, 15, 0.22) 78%),
        linear-gradient(0deg, rgba(18, 16, 15, 0.7) 0%, rgba(18, 16, 15, 0) 55%);
}
.hero__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-block: clamp(2.5rem, 7vw, 5rem);
}
.hero__eyebrow { color: #dda9a2; }
.hero__title {
    color: #fff;
    text-transform: uppercase;
    margin-bottom: var(--space-5);
    max-width: 16ch;
}
.hero__title span { display: block; color: #e6b7b1; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.hero__controls {
    position: absolute;
    right: var(--gutter);
    bottom: clamp(1.5rem, 4vw, 2.5rem);
    z-index: 3;
    display: flex;
    align-items: center;
    gap: var(--space-4);
}
.hero__count {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.7);
}
.hero__dots { display: flex; gap: 6px; margin: 0; padding: 0; list-style: none; }
.hero__dot {
    width: 30px;
    height: 3px;
    padding: 0;
    border: 0;
    background: rgba(255, 255, 255, 0.32);
    cursor: pointer;
    transition: background var(--dur) var(--ease);
}
.hero__dot.is-active { background: var(--accent-color); }
.hero__dot:hover { background: rgba(255, 255, 255, 0.7); }

/* --------------------------------------------------------- page hero -- */

.page-hero {
    position: relative;
    background: var(--primary-ink);
    color: #d9d4d2;
    overflow: hidden;
    isolation: isolate;
}
.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(109, 30, 23, 0.85) 0%, rgba(18, 16, 15, 0.9) 70%);
    z-index: -1;
}
.page-hero__inner { padding-block: clamp(2.5rem, 6vw, 4.5rem); position: relative; z-index: 1; }
.page-hero h1 { color: #fff; text-transform: uppercase; margin-bottom: 0; }
.page-hero__watermark {
    position: absolute;
    right: 2%;
    bottom: -14%;
    width: min(240px, 28vw);
    opacity: 0.22;
    z-index: 0;
    pointer-events: none;
    /* the source GIFs have a white ground: invert + screen drops it out */
    filter: invert(1);
    mix-blend-mode: screen;
}

.breadcrumb { margin-bottom: var(--space-4); }
.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.breadcrumb a { color: #dda9a2; text-decoration: none; }
.breadcrumb a:hover { color: #fff; text-decoration: underline; }
.breadcrumb li[aria-current] { color: rgba(255, 255, 255, 0.55); }
.breadcrumb li + li::before { content: "/"; margin-right: 0.5rem; color: rgba(255, 255, 255, 0.3); }

/* ------------------------------------------------------------ buttons -- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.6rem;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
                border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn__arrow { width: 14px; height: 14px; fill: currentColor; transition: transform var(--dur) var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

.btn--primary { background: var(--primary-color); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); color: #fff; }

.btn--ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.45); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.1); color: #fff; border-color: #fff; }

.btn--outline { background: transparent; color: var(--primary-color); border-color: var(--border-strong); }
.btn--outline:hover { border-color: var(--primary-color); background: var(--primary-tint); color: var(--primary-color); }

/* -------------------------------------------------------- index links -- */
/* Home page wayfinding: the three destinations, set large and quiet. */

.index-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--border-color);
}
.index-list__item { border-bottom: 1px solid var(--border-color); }
.index-list__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: clamp(1.1rem, 2.5vw, 1.7rem) var(--space-3);
    text-decoration: none;
    color: var(--dark-color);
    transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease), color var(--dur) var(--ease);
}
.index-list__link:hover,
.index-list__link:focus-visible {
    background: var(--dark-color);
    color: #fff;
    padding-left: var(--space-5);
}
.index-list__label {
    font-family: var(--font-display);
    font-size: var(--step-2);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.01em;
}
.index-list__arrow { width: 22px; height: 22px; fill: var(--primary-color); flex: 0 0 auto; transition: transform var(--dur) var(--ease), fill var(--dur) var(--ease); }
.index-list__link:hover .index-list__arrow { transform: translateX(6px); fill: var(--accent-color); }

/* ------------------------------------------------------- content aside -- */

.content-aside img { max-width: 230px; margin-left: auto; }

/* --------------------------------------------------------------- card -- */

.card {
    background: var(--paper);
    border: 1px solid var(--border-color);
    padding: clamp(1.25rem, 3vw, 2rem);
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card__label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
    margin-bottom: var(--space-3);
}
.card__title { margin-bottom: var(--space-3); }

/* ----------------------------------------------------------- cta band -- */

.cta-band .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
}
.cta-band h2 { margin: 0; text-transform: uppercase; }

/* ---------------------------------------------------------- spec list -- */
/* Catalogue-style list used for the products and services page. */

.spec-list {
    margin-top: clamp(1rem, 3vw, 2rem);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.5rem, 4vw, 3rem);
    list-style: none;
    margin-bottom: 0;
    padding: 0;
    border-top: 1px solid var(--border-color);
}
.spec-list li {
    display: flex;
    gap: 0.9rem;
    padding: 1rem 0.25rem;
    margin: 0;
    border-bottom: 1px solid var(--border-color);
}
.spec-list li::before {
    content: "";
    flex: 0 0 auto;
    width: 12px;
    height: 2px;
    margin-top: 0.78em;
    background: var(--primary-color);
}

/* --------------------------------------------------------- data table -- */

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.94rem;
    background: var(--paper);
}
.data-table caption {
    caption-side: top;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding-bottom: var(--space-3);
}
.data-table th,
.data-table td {
    padding: 0.9rem 1rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--border-color);
}
.data-table thead th {
    background: var(--dark-color);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    white-space: nowrap;
    border-bottom: 0;
}
.data-table tbody tr { transition: background var(--dur) var(--ease); }
.data-table tbody tr:hover { background: var(--light-color); }
.data-table td:first-child {
    font-family: var(--font-mono);
    color: var(--text-muted);
    width: 3.5rem;
}
.data-table .col-company { font-weight: 600; color: var(--dark-color); }
.data-table .col-origin {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--graphite);
    white-space: nowrap;
}

.chip {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
    border: 1px solid var(--border-strong);
    color: var(--text-muted);
}
.chip--exclusive { background: var(--primary-color); border-color: var(--primary-color); color: #fff; }

/* ------------------------------------------------------------ gallery -- */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(0.6rem, 1.6vw, 1.15rem);
}
.gallery-item {
    position: relative;
    display: block;
    overflow: hidden;
    background: var(--dark-color);
    aspect-ratio: 3 / 2;
    border: 1px solid var(--border-color);
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 620ms var(--ease), opacity var(--dur) var(--ease);
}
.gallery-item:hover img { transform: scale(1.05); opacity: 0.82; }
.gallery-item::after {
    content: "";
    position: absolute;
    inset: 0;
    border: 0 solid var(--primary-color);
    transition: border-width 180ms var(--ease);
}
.gallery-item:hover::after,
.gallery-item:focus-visible::after { border-width: 3px; }

.gallery-strip {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 4px;
}
.gallery-strip .gallery-item { aspect-ratio: 1 / 1; border: 0; }

/* Lightbox */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 120;
    display: none;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 4vw, 3rem);
    background: rgba(18, 16, 15, 0.96);
}
.lightbox.is-open { display: flex; }
.lightbox__figure { margin: 0; max-width: 100%; max-height: 100%; }
.lightbox__figure img {
    max-width: 100%;
    max-height: 78vh;
    width: auto;
    margin-inline: auto;
    object-fit: contain;
}
.lightbox__caption {
    margin-top: var(--space-4);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
    text-align: center;
}
.lightbox__btn {
    position: absolute;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    cursor: pointer;
    transition: background var(--dur) var(--ease);
}
.lightbox__btn:hover { background: var(--primary-color); border-color: var(--primary-color); }
.lightbox__btn svg { width: 16px; height: 16px; fill: currentColor; }
.lightbox__close { top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); }
.lightbox__prev { left: clamp(0.5rem, 3vw, 2rem); top: 50%; transform: translateY(-50%); }
.lightbox__next { right: clamp(0.5rem, 3vw, 2rem); top: 50%; transform: translateY(-50%); }

/* --------------------------------------------------------- info table -- */

.info-list { margin: 0; }
.info-list__row {
    display: grid;
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: var(--space-4);
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border-color);
}
.info-list__row:first-child { border-top: 1px solid var(--border-color); }
.info-list__key {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding-top: 0.2rem;
}
.info-list__val { margin: 0; color: var(--dark-color); }

/* --------------------------------------------------------------- form -- */

.form { display: grid; gap: var(--space-4); }
.form__field { display: grid; gap: 0.4rem; }
.form__label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.form__label .req { color: var(--primary-color); }
.form input,
.form textarea {
    width: 100%;
    padding: 0.8rem 0.9rem;
    background: var(--paper);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.form input:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(109, 30, 23, 0.12);
}
.form textarea { min-height: 150px; resize: vertical; }
.form__error {
    font-size: 0.82rem;
    color: var(--primary-color);
    min-height: 1.1em;
}
.form input[aria-invalid="true"],
.form textarea[aria-invalid="true"] { border-color: var(--accent-color); }

/* Honeypot: off-screen for people, visible to bots that fill everything in. */
.form__trap {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form button[disabled] { opacity: 0.6; cursor: progress; transform: none; }

.form__status {
    padding: var(--space-4);
    border-left: 3px solid var(--quench);
    background: var(--light-color);
    font-size: 0.94rem;
    display: none;
}
.form__status.is-visible { display: block; }
.form__status[data-state="error"] { border-left-color: var(--accent-color); }

/* ------------------------------------------------------------- footer -- */

.site-footer {
    background: var(--dark-color);
    color: #9c9793;
    padding-block: clamp(2.5rem, 5vw, 3.5rem);
    font-size: 0.9rem;
}
.site-footer__top {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.site-footer img.footer-logo { height: 42px; width: auto; margin-bottom: var(--space-4); }
.site-footer h2 {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #d1a49f;
    margin-bottom: var(--space-4);
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.site-footer a { color: #cfc9c5; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer address { font-style: normal; line-height: 1.75; }

.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding-top: var(--space-5);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    color: #837d79;
}

/* ------------------------------------------------------- back to top -- */

.to-top {
    position: fixed;
    right: clamp(1rem, 3vw, 2rem);
    bottom: clamp(1rem, 3vw, 2rem);
    z-index: 80;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    background: var(--primary-color);
    color: #fff;
    border: 0;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease), visibility var(--dur);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--dark-color); }
.to-top svg { width: 16px; height: 16px; fill: currentColor; }