/* ==========================================================================
   ALUTEK theme — mobile-first, industrial aluminium style
   Breakpoints: 576 / 768 / 992 / 1200 (min-width)
   ========================================================================== */

:root {
    --alu-ink: #11161c;
    --alu-graphite: #1a2129;
    --alu-steel: #27313c;
    --alu-steel-2: #36414d;
    --alu-100: #f4f6f8;
    --alu-200: #e7eaee;
    --alu-300: #d0d6dc;
    --alu-400: #a9b1ba;
    --alu-muted: #5b6672;
    --alu-text: #1d242c;
    --alu-white: #fff;

    --alu-accent: #e8590c;          /* anodized orange */
    --alu-accent-600: #c94a06;
    --alu-accent-050: #fff1e8;

    --alu-brushed: linear-gradient(100deg, #eef1f4 0%, #dde2e7 22%, #f6f8fa 45%, #d6dce2 70%, #eef1f4 100%);

    --alu-font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --alu-display: "Barlow Condensed", "Be Vietnam Pro", sans-serif;

    --alu-radius: 4px;
    --alu-radius-lg: 10px;
    --alu-shadow: 0 1px 2px rgba(17, 22, 28, .06), 0 8px 24px -12px rgba(17, 22, 28, .18);
    --alu-shadow-lg: 0 20px 48px -20px rgba(17, 22, 28, .35);

    --alu-gutter: 16px;
    --alu-header-h: 64px;
    --alu-dock-h: 64px;
    --alu-section-y: 56px;
}

@media (min-width: 768px) {
    :root { --alu-gutter: 24px; --alu-section-y: 80px; }
}
@media (min-width: 992px) {
    :root { --alu-header-h: 76px; --alu-dock-h: 0px; --alu-section-y: 96px; }
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body.alu {
    margin: 0;
    font-family: var(--alu-font);
    font-size: 15px;
    line-height: 1.65;
    color: var(--alu-text);
    background: var(--alu-white);
    padding-bottom: calc(var(--alu-dock-h) + env(safe-area-inset-bottom));
    -webkit-font-smoothing: antialiased;
    overflow-x: clip;
}
@media (min-width: 768px) { body.alu { font-size: 16px; } }

.alu img { max-width: 100%; height: auto; }
.alu a { color: inherit; text-decoration: none; }
.alu h1, .alu h2, .alu h3, .alu h4 { color: var(--alu-ink); font-weight: 700; line-height: 1.2; letter-spacing: -.01em; }
.alu :focus-visible { outline: 2px solid var(--alu-accent); outline-offset: 2px; }

.alu-container { width: 100%; max-width: 1240px; margin-inline: auto; padding-inline: var(--alu-gutter); }
.alu-main { min-height: 50vh; }

.alu-skip {
    position: absolute; left: 8px; top: -60px; z-index: 2000;
    background: var(--alu-accent); color: #fff !important; padding: 8px 14px; border-radius: var(--alu-radius);
}
.alu-skip:focus { top: 8px; }

/* ---------- Type helpers ---------- */
.alu-eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--alu-display); font-weight: 600; font-size: 14px;
    letter-spacing: .14em; text-transform: uppercase; color: var(--alu-accent);
    margin-bottom: 10px;
}
.alu-eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.alu-eyebrow--light { color: #ffb489; }

.alu-lead { font-size: 1.1em; color: var(--alu-muted); }

.alu-link {
    display: inline-flex; align-items: center; gap: 8px;
    font-weight: 600; font-size: 14px; color: var(--alu-accent) !important;
}
.alu-link i { transition: transform .2s; font-size: 12px; }
.alu-link:hover i { transform: translateX(4px); }

/* ---------- Buttons ---------- */
.alu-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    min-height: 48px; padding: 0 22px;
    font: 600 15px/1 var(--alu-font); letter-spacing: .01em;
    border: 1.5px solid transparent; border-radius: var(--alu-radius);
    cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s;
    white-space: nowrap;
}
.alu-btn:active { transform: translateY(1px); }
.alu-btn--sm { min-height: 40px; padding: 0 16px; font-size: 14px; }
.alu-btn--block { width: 100%; }
.alu-btn--primary { background: var(--alu-accent); color: #fff !important; }
.alu-btn--primary:hover { background: var(--alu-accent-600); }
.alu-btn--ghost-light { border-color: rgba(255, 255, 255, .45); color: #fff !important; background: rgba(255, 255, 255, .04); }
.alu-btn--ghost-light:hover { border-color: #fff; background: rgba(255, 255, 255, .12); }
.alu-btn--dark { background: var(--alu-ink); color: #fff !important; }

.alu-iconbtn {
    display: inline-grid; place-items: center; width: 44px; height: 44px;
    border: 1px solid var(--alu-200); border-radius: var(--alu-radius);
    background: #fff; color: var(--alu-ink); cursor: pointer; font-size: 18px;
}
.alu-iconbtn--light { background: transparent; border-color: rgba(255, 255, 255, .3); color: #fff; }
.alu-iconbtn--light:hover { border-color: #fff; }
.alu-iconbtn:disabled, .alu-iconbtn.swiper-button-disabled { opacity: .35; cursor: default; }

/* ---------- Topbar & header ---------- */
.alu-topbar { background: var(--alu-ink); color: var(--alu-400); font-size: 13px; }
.alu-topbar__inner { display: flex; justify-content: space-between; gap: 24px; padding-block: 8px; }
.alu-topbar__addr { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.alu-topbar__right { display: flex; gap: 24px; flex-shrink: 0; white-space: nowrap; }
.alu-topbar i { color: var(--alu-accent); margin-right: 6px; }
.alu-topbar a:hover { color: #fff; }

.alu-header {
    position: sticky; top: 0; z-index: 1000;
    background: #fff;
    border-bottom: 1px solid var(--alu-200);
    transition: box-shadow .2s;
}
.alu-header.is-scrolled { box-shadow: 0 6px 24px -16px rgba(17, 22, 28, .45); }
.alu-header::after { /* brushed aluminium edge */
    content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
    background: linear-gradient(90deg, var(--alu-accent) 0 72px, transparent 72px);
}
.alu-header__inner { display: flex; align-items: center; gap: 16px; height: var(--alu-header-h); }

.alu-logo { display: flex; align-items: center; flex-shrink: 0; margin-right: auto; }
.alu-logo img { height: 38px; width: auto; }
@media (min-width: 992px) { .alu-logo img { height: 46px; } }
.alu-logo__text { font-family: var(--alu-display); font-size: 26px; font-weight: 700; letter-spacing: .06em; color: var(--alu-ink); }

.alu-header__actions { display: flex; align-items: center; gap: 10px; }

.alu-lang { display: inline-flex; border: 1px solid var(--alu-200); border-radius: var(--alu-radius); overflow: hidden; }
.alu-lang a { padding: 6px 9px; font: 600 12px/1 var(--alu-font); color: var(--alu-muted); letter-spacing: .04em; }
.alu-lang a.is-active { background: var(--alu-ink); color: #fff; }

.alu-header__phone { display: none; align-items: center; gap: 10px; padding-left: 6px; }
.alu-header__phone-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--alu-accent-050); color: var(--alu-accent); }
.alu-header__phone small { display: block; font-size: 11px; color: var(--alu-muted); letter-spacing: .06em; line-height: 1.2; }
.alu-header__phone strong { font-size: 15px; color: var(--alu-ink); line-height: 1.2; }

.alu-burger { flex-direction: column; gap: 4px; display: inline-flex; align-items: center; justify-content: center; }
.alu-burger span { display: block; width: 20px; height: 2px; background: var(--alu-ink); border-radius: 2px; }

@media (min-width: 1320px) { .alu-header__phone { display: flex; } }
.alu-header__phone strong { white-space: nowrap; }

/* Mobile drawer nav */
.alu-nav {
    position: fixed; inset: 0 0 0 auto; z-index: 1100;
    width: min(86vw, 360px); height: 100dvh;
    background: var(--alu-ink); color: #fff;
    display: flex; flex-direction: column;
    transform: translateX(100%); transition: transform .3s ease;
    padding: 16px 20px calc(20px + env(safe-area-inset-bottom));
}
.alu-nav.is-open { transform: none; }
.alu-nav__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.alu-nav__head .alu-eyebrow { margin: 0; }
.alu-nav__head .alu-iconbtn { background: transparent; color: #fff; border-color: rgba(255,255,255,.2); }
.alu-nav__list { list-style: none; margin: 0; padding: 0; flex: 1; overflow-y: auto; }
.alu-nav__link {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .08);
    font-family: var(--alu-display); font-size: 24px; font-weight: 600; letter-spacing: .02em; text-transform: uppercase;
    color: var(--alu-300) !important;
}
.alu-nav__link.is-active, .alu-nav__link:hover { color: #fff !important; }
.alu-nav__link.is-active::after { content: ""; width: 8px; height: 8px; background: var(--alu-accent); }
.alu-nav__foot { padding-top: 16px; }
.alu-nav__backdrop {
    position: fixed; inset: 0; z-index: 1050; background: rgba(8, 11, 14, .55);
    opacity: 0; visibility: hidden; transition: opacity .3s;
}
.alu-nav.is-open + .alu-nav__backdrop { opacity: 1; visibility: visible; }
body.alu-nav-open { overflow: hidden; }

@media (min-width: 992px) {
    /* backdrop-filter chỉ bật ở desktop: ở mobile nó biến header thành containing block của drawer fixed */
    .alu-header { background: rgba(255, 255, 255, .94); backdrop-filter: saturate(160%) blur(10px); -webkit-backdrop-filter: saturate(160%) blur(10px); }
    .alu-burger, .alu-nav__head, .alu-nav__foot, .alu-nav__backdrop { display: none !important; }
    .alu-nav {
        position: static; transform: none; width: auto; height: auto; padding: 0;
        background: none; color: inherit; flex-direction: row;
    }
    .alu-nav__list { display: flex; gap: 4px; overflow: visible; }
    .alu-nav__link {
        position: relative; border: 0; padding: 8px 10px; white-space: nowrap;
        font-family: var(--alu-font); font-size: 15px; font-weight: 600; text-transform: none; letter-spacing: 0;
        color: var(--alu-text) !important;
    }
    .alu-nav__link::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: 0; height: 2px; background: var(--alu-accent); transform: scaleX(0); transition: transform .2s; }
    .alu-nav__link.is-active::after { width: auto; height: 2px; }
    .alu-nav__link:hover::after, .alu-nav__link.is-active::after { transform: scaleX(1); }
    .alu-nav__link.is-active, .alu-nav__link:hover { color: var(--alu-accent) !important; }
}

/* ---------- Hero ---------- */
/* Chiều cao = 1 màn hình trừ header (và dock trên mobile / topbar trên desktop) */
.alu-hero {
    --alu-hero-h: clamp(460px, calc(100svh - var(--alu-header-h) - var(--alu-dock-h)), 720px);
    position: relative; height: var(--alu-hero-h); color: #fff; background: var(--alu-ink); overflow: hidden;
}
@media (min-width: 992px) {
    .alu-hero { --alu-hero-h: clamp(520px, calc(100svh - var(--alu-header-h) - 38px), 760px); }
}
.alu-hero__slider { height: 100%; }
.alu-hero__slide { position: relative; isolation: isolate; display: flex; align-items: flex-end; height: 100% !important; overflow: hidden; }
@media (min-width: 992px) { .alu-hero__slide { align-items: center; } }
.alu-hero__media { position: absolute; inset: 0; z-index: -2; }
.alu-hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; transform: scale(1.06); transition: transform 7s ease-out; }
.swiper-slide-active .alu-hero__media img { transform: scale(1); }
.alu-hero__video { position: absolute; inset: 0; pointer-events: none; }
.alu-hero__video iframe {
    position: absolute; top: 50%; left: 50%; border: 0;
    width: max(100%, calc(var(--alu-hero-h) * 16 / 9)); height: max(100%, 56.25vw);
    transform: translate(-50%, -50%);
    opacity: 0; transition: opacity .8s ease;
}
.alu-hero__video iframe.is-ready { opacity: 1; }
.alu-hero__shade {
    position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(180deg, rgba(10,13,17,.2) 0%, rgba(10,13,17,.55) 40%, rgba(10,13,17,.94) 100%);
}
@media (min-width: 992px) {
    .alu-hero__shade { background: linear-gradient(90deg, rgba(10,13,17,.92) 0%, rgba(10,13,17,.72) 40%, rgba(10,13,17,.08) 78%); }
}
.alu-hero__content { padding-block: 24px 76px; }
@media (min-width: 992px) { .alu-hero__content { padding-block: 48px 96px; } }
.alu-hero__content > * { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.swiper-slide-active .alu-hero__content > * { opacity: 1; transform: none; }
.swiper-slide-active .alu-hero__content > :nth-child(2) { transition-delay: .1s; }
.swiper-slide-active .alu-hero__content > :nth-child(3) { transition-delay: .2s; }
.swiper-slide-active .alu-hero__content > :nth-child(4) { transition-delay: .3s; }
.alu-hero__title {
    color: #fff !important; max-width: 16ch;
    font-family: var(--alu-display); font-weight: 700; text-transform: uppercase;
    font-size: clamp(34px, 8.5vw, 76px); line-height: 1; letter-spacing: -.005em; margin: 0 0 14px;
}
.alu-hero__title em { font-style: normal; color: transparent; -webkit-text-stroke: 1.5px #fff; }
@supports not (-webkit-text-stroke: 1px #fff) { .alu-hero__title em { color: #ffb489; } }
.alu-hero__text {
    max-width: 56ch; color: var(--alu-300); font-size: 15px; margin: 0 0 22px;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
@media (min-width: 768px) { .alu-hero__text { font-size: 18px; } }
.alu-hero__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.alu-hero__actions .alu-btn { flex: 1 1 auto; }
@media (min-width: 576px) { .alu-hero__actions .alu-btn { flex: 0 0 auto; } }
@media (max-height: 640px) and (max-width: 991.98px) { .alu-hero__text { -webkit-line-clamp: 2; } .alu-hero__actions .alu-btn { min-height: 44px; } }

.alu-hero__controls { position: absolute; left: 0; right: 0; bottom: 24px; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
@media (min-width: 1240px) { .alu-hero__controls { left: 50%; transform: translateX(-50%); } }
.alu-hero__pager { position: static !important; display: flex; gap: 8px; width: auto !important; }
.alu-hero__pager .swiper-pagination-bullet { width: 32px; height: 3px; border-radius: 0; background: rgba(255,255,255,.35); opacity: 1; margin: 0 !important; }
.alu-hero__pager .swiper-pagination-bullet-active { background: var(--alu-accent); }
.alu-hero__arrows { gap: 8px; }

/* ---------- Stats strip ---------- */
.alu-stats { background: var(--alu-brushed); border-bottom: 1px solid var(--alu-300); }
.alu-stats__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) { .alu-stats__list { grid-template-columns: repeat(4, 1fr); } }
.alu-stats__item { padding: 20px 12px; border-right: 1px solid var(--alu-300); border-bottom: 1px solid var(--alu-300); }
.alu-stats__item:nth-child(2n) { border-right: 0; }
.alu-stats__item:nth-last-child(-n+2) { border-bottom: 0; }
@media (min-width: 768px) {
    .alu-stats__item { padding: 28px 24px; border-bottom: 0; border-right: 1px solid var(--alu-300) !important; }
    .alu-stats__item:last-child { border-right: 0 !important; }
}
.alu-stats__item strong { display: block; font-family: var(--alu-display); font-size: 36px; line-height: 1; color: var(--alu-ink); }
@media (min-width: 992px) { .alu-stats__item strong { font-size: 46px; } }
.alu-stats__item span { font-size: 13px; color: var(--alu-muted); text-transform: uppercase; letter-spacing: .06em; }
.alu-stats__list--boxed { background: var(--alu-brushed); border: 1px solid var(--alu-300); border-radius: var(--alu-radius-lg); grid-template-columns: repeat(2, 1fr) !important; }
.alu-stats__list--boxed .alu-stats__item { padding: 24px 20px; border-bottom: 1px solid var(--alu-300) !important; border-right: 1px solid var(--alu-300) !important; }
.alu-stats__list--boxed .alu-stats__item:nth-child(2n) { border-right: 0 !important; }
.alu-stats__list--boxed .alu-stats__item:nth-last-child(-n+2) { border-bottom: 0 !important; }

/* ---------- Product banner ---------- */
.alu-prodbanner {
    position: relative; overflow: hidden; color: #fff;
    background:
        repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 80px),
        radial-gradient(90% 70% at 100% 0%, #2d3946 0%, transparent 60%),
        var(--alu-graphite);
    padding-block: var(--alu-section-y);
}
.alu-prodbanner__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.alu-prodbanner__title {
    color: #fff !important; margin: 0 0 10px;
    font-family: var(--alu-display); text-transform: uppercase; font-size: clamp(34px, 7vw, 60px); line-height: 1;
}
.alu-prodbanner__text { color: var(--alu-400); max-width: 60ch; margin: 0; }
.alu-prodbanner__nav { display: none; gap: 8px; flex-shrink: 0; }
@media (min-width: 768px) { .alu-prodbanner__nav { display: flex; } }

.alu-swatches { list-style: none; margin: 0 0 28px; padding: 0 0 4px; display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; }
.alu-swatches::-webkit-scrollbar { display: none; }
.alu-swatches a {
    display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
    padding: 8px 14px 8px 8px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px;
    font-size: 13px; color: var(--alu-300); transition: border-color .2s, color .2s, background .2s;
}
.alu-swatches a:hover, .alu-swatches a.is-active { border-color: var(--alu-accent); color: #fff; background: rgba(232, 89, 12, .12); }
.alu-swatch { display: inline-block; width: 22px; height: 22px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(255,255,255,.35), 0 1px 3px rgba(0,0,0,.4); flex-shrink: 0; }
.alu-swatch--sm { width: 14px; height: 14px; }

.alu-prodbanner__slider { padding-inline: var(--alu-gutter) !important; }
@media (min-width: 1240px) { .alu-prodbanner__slider { padding-inline: calc((100vw - 1240px) / 2 + var(--alu-gutter)) !important; } }
.alu-prodslide { height: auto !important; }
.alu-prodslide__link {
    display: flex; flex-direction: column; height: 100%;
    background: var(--alu-steel); border: 1px solid rgba(255,255,255,.08); border-radius: var(--alu-radius-lg); overflow: hidden;
    transition: border-color .25s, transform .25s;
}
.alu-prodslide__link:hover { border-color: rgba(232, 89, 12, .7); transform: translateY(-3px); }
.alu-prodslide__img { aspect-ratio: 4 / 3; background: var(--alu-brushed); overflow: hidden; }
.alu-prodslide__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.alu-prodslide__link:hover .alu-prodslide__img img { transform: scale(1.05); }
.alu-prodslide__body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.alu-prodslide__index { font-family: var(--alu-display); letter-spacing: .14em; color: var(--alu-400); font-size: 13px; }
.alu-prodslide__title { display: flex; align-items: center; gap: 10px; color: #fff !important; font-size: 20px; margin: 0; }
.alu-prodslide__desc { color: var(--alu-400); font-size: 14px; margin: 0; flex: 1; }
.alu-prodslide__cta { color: #ffb489; font-weight: 600; font-size: 14px; display: inline-flex; gap: 8px; align-items: center; margin-top: 6px; }

.alu-prodbanner__foot { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.alu-prodbanner__foot .alu-btn { flex: 1 1 auto; }
@media (min-width: 576px) { .alu-prodbanner__foot .alu-btn { flex: 0 0 auto; } }

/* ---------- Sections ---------- */
.alu-section { padding-block: var(--alu-section-y); }
.alu-section--tight { padding-block: calc(var(--alu-section-y) * .6); }
.alu-section--steel { background: var(--alu-100); border-block: 1px solid var(--alu-200); }
.alu-section--dark { background: var(--alu-ink); color: var(--alu-300); }

.alu-sechead { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
@media (min-width: 768px) { .alu-sechead { flex-direction: row; align-items: flex-end; justify-content: space-between; margin-bottom: 44px; } }
.alu-sechead__main { max-width: 720px; }
.alu-sechead__title { font-size: clamp(28px, 5vw, 42px); margin: 0 0 10px; }
.alu-sechead__text { color: var(--alu-muted); margin: 0; }
.alu-sechead--light .alu-sechead__title { color: #fff; }
.alu-sechead--light .alu-sechead__text { color: var(--alu-400); }
.alu-sechead--light .alu-eyebrow { color: #ffb489; }

/* ---------- Grids ---------- */
.alu-grid { display: grid; gap: 16px; }
@media (min-width: 768px) { .alu-grid { gap: 24px; } }
.alu-grid--3 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .alu-grid--3 { grid-template-columns: repeat(3, 1fr); } }
.alu-grid--4 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 992px) { .alu-grid--4 { grid-template-columns: repeat(4, 1fr); } }
.alu-grid--listing { grid-template-columns: 1fr; }
@media (min-width: 576px) { .alu-grid--listing { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .alu-layout:not(.alu-layout--aside) .alu-grid--listing { grid-template-columns: repeat(3, 1fr); } }

/* Horizontal scroll on small screens */
@media (max-width: 767.98px) {
    .alu-scroller {
        display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 12px;
        margin-inline: calc(var(--alu-gutter) * -1); padding: 4px var(--alu-gutter) 12px;
        scrollbar-width: none;
    }
    .alu-scroller::-webkit-scrollbar { display: none; }
    .alu-scroller > * { flex: 0 0 78%; scroll-snap-align: start; }
}

/* ---------- Cards ---------- */
.alu-card {
    display: flex; flex-direction: column; height: 100%;
    background: #fff; border: 1px solid var(--alu-200); border-radius: var(--alu-radius-lg); overflow: hidden;
    transition: box-shadow .25s, transform .25s, border-color .25s;
}
.alu-card:hover { box-shadow: var(--alu-shadow-lg); transform: translateY(-3px); border-color: var(--alu-300); }
.alu-card__img { position: relative; aspect-ratio: 16 / 11; background: var(--alu-brushed); overflow: hidden; }
.alu-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.alu-card:hover .alu-card__img img { transform: scale(1.05); }
.alu-card__noimg { position: absolute; inset: 0; display: grid; place-items: center; color: var(--alu-400); font-size: 13px; }
.alu-card__badge { position: absolute; left: 12px; top: 12px; background: var(--alu-ink); color: #fff; font-size: 12px; padding: 4px 8px; border-radius: var(--alu-radius); }
.alu-card__body { display: flex; flex-direction: column; gap: 8px; padding: 16px; flex: 1; }
@media (min-width: 768px) { .alu-card__body { padding: 20px; } }
.alu-card__title { font-size: 17px; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.alu-card__text { font-size: 14px; color: var(--alu-muted); margin: 0; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Feature (about) */
.alu-feature {
    position: relative; display: flex; flex-direction: column; gap: 12px;
    padding: 24px; border: 1px solid var(--alu-200); border-radius: var(--alu-radius-lg); background: #fff;
    transition: border-color .25s, box-shadow .25s;
}
.alu-feature::before { content: ""; position: absolute; left: -1px; top: 24px; width: 3px; height: 40px; background: var(--alu-accent); }
.alu-feature:hover { border-color: var(--alu-300); box-shadow: var(--alu-shadow); }
.alu-feature__num { position: absolute; right: 20px; top: 16px; font-family: var(--alu-display); font-size: 42px; font-weight: 700; color: var(--alu-200); line-height: 1; }
.alu-feature__icon {
    width: 60px; height: 60px; border-radius: var(--alu-radius-lg); display: grid; place-items: center;
    font-size: 26px; color: var(--alu-accent);
    background: linear-gradient(145deg, #fff 0%, var(--alu-200) 100%);
    border: 1px solid var(--alu-300); box-shadow: inset 0 1px 0 #fff, 0 6px 16px -10px rgba(17,22,28,.5);
    transition: background .25s, color .25s, border-color .25s;
}
.alu-feature:hover .alu-feature__icon { background: var(--alu-accent); border-color: var(--alu-accent); color: #fff; }
.alu-feature__title { font-size: 19px; margin: 0; }
.alu-feature__text { color: var(--alu-muted); font-size: 14px; margin: 0; flex: 1; }

/* Process */
.alu-process { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: s; }
@media (min-width: 768px) { .alu-process { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
@media (min-width: 992px) { .alu-process { grid-template-columns: repeat(4, 1fr); } }
.alu-process__step { position: relative; padding: 20px 0 20px 64px; border-left: 2px solid var(--alu-200); margin-left: 22px; }
.alu-process__step:last-child { border-left-color: transparent; }
.alu-process__num {
    position: absolute; left: -23px; top: 16px; width: 44px; height: 44px; display: grid; place-items: center;
    background: var(--alu-ink); color: #fff; font-family: var(--alu-display); font-weight: 700; font-size: 18px; border-radius: var(--alu-radius);
}
.alu-process__step h3 { font-size: 18px; margin: 0 0 6px; }
.alu-process__step p { color: var(--alu-muted); margin: 0; font-size: 14px; }
@media (min-width: 768px) {
    .alu-process__step { margin: 0; padding: 72px 0 0; border-left: 0; border-top: 2px solid var(--alu-200); }
    .alu-process__step:last-child { border-top-color: var(--alu-200); }
    .alu-process__num { left: 0; top: -23px; }
}

/* Band (CMS booking) */
.alu-band {
    position: relative; isolation: isolate; color: #fff; padding-block: calc(var(--alu-section-y) * .8);
    background: var(--alu-steel) var(--alu-band-img, none) center / cover no-repeat;
}
.alu-band::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(17,22,28,.94), rgba(17,22,28,.72)); }
.alu-band__inner { display: flex; flex-direction: column; gap: 24px; }
@media (min-width: 992px) { .alu-band__inner { flex-direction: row; align-items: center; justify-content: space-between; } }

/* Reviews */
.alu-reviews { padding-bottom: 40px !important; }
.alu-review {
    height: auto !important; margin: 0; padding: 24px; border: 1px solid rgba(255,255,255,.1); border-radius: var(--alu-radius-lg);
    background: var(--alu-graphite); display: flex; flex-direction: column; gap: 16px;
}
.alu-review__mark { color: var(--alu-accent); font-size: 24px; }
.alu-review__quote { margin: 0; color: var(--alu-300); flex: 1; }
.alu-review__quote p { margin: 0; }
.alu-review__author { display: flex; align-items: center; gap: 12px; }
.alu-review__author strong { display: block; color: #fff; }
.alu-review__author small { color: var(--alu-400); }
.alu-review__avatar { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--alu-brushed); color: var(--alu-ink); font-weight: 700; flex-shrink: 0; }
.alu-reviews__pager { position: absolute; bottom: 0 !important; left: 0; right: 0; text-align: center; }
.alu-reviews__pager .swiper-pagination-bullet { background: rgba(255,255,255,.4); opacity: 1; }
.alu-reviews__pager .swiper-pagination-bullet-active { background: var(--alu-accent); }

/* ---------- Page header ---------- */
.alu-pagehead {
    position: relative; color: #fff; padding-block: 10px 12px;
    background:
        repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0 1px, transparent 1px 64px),
        linear-gradient(120deg, var(--alu-ink) 0%, var(--alu-steel) 100%);
    border-bottom: 3px solid var(--alu-accent);
}
.alu-pagehead > .alu-container { display: flex; flex-direction: column-reverse; gap: 2px; }
@media (min-width: 992px) {
    .alu-pagehead { padding-block: 14px 16px; }
    .alu-pagehead > .alu-container { flex-direction: row-reverse; align-items: center; justify-content: space-between; gap: 24px; }
}
.alu-pagehead .alu-eyebrow { display: none; }
.alu-pagehead__title {
    color: #fff !important; margin: 0; min-width: 0;
    font-family: var(--alu-display); text-transform: uppercase; font-size: clamp(22px, 3.2vw, 32px); line-height: 1.1;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.alu-crumbs { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; font-size: 12px; color: var(--alu-400); flex-shrink: 0; }
.alu-crumbs li + li::before { content: "/"; margin-right: 6px; opacity: .5; }
.alu-crumbs a:hover { color: #fff; }
.alu-crumbs li[aria-current] { color: var(--alu-300); max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Layout with sidebar ---------- */
.alu-layout { display: grid; gap: 40px; }
@media (min-width: 992px) { .alu-layout--aside { grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; } }
.alu-sidebar { display: grid; gap: 24px; align-content: start; }
@media (min-width: 992px) { .alu-sidebar { position: sticky; top: calc(var(--alu-header-h) + 24px); } }
.alu-sidebox { border: 1px solid var(--alu-200); border-radius: var(--alu-radius-lg); padding: 20px; background: var(--alu-100); }
.alu-sidebox__title { font-size: 15px; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 12px; padding-bottom: 12px; border-bottom: 2px solid var(--alu-ink); }
.alu-sidebox__links { list-style: none; margin: 0; padding: 0; }
.alu-sidebox__links a { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--alu-200); font-size: 14px; font-weight: 500; }
.alu-sidebox__links li:last-child a { border-bottom: 0; }
.alu-sidebox__links a i { font-size: 10px; color: var(--alu-400); }
.alu-sidebox__links a:hover, .alu-sidebox__links a.is-active { color: var(--alu-accent); }
.alu-sidenews { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.alu-sidenews a { display: grid; grid-template-columns: 72px 1fr; gap: 12px; align-items: center; }
.alu-sidenews__img { aspect-ratio: 1; border-radius: var(--alu-radius); overflow: hidden; background: var(--alu-brushed); }
.alu-sidenews__img img { width: 100%; height: 100%; object-fit: cover; }
.alu-sidenews__title { font-size: 14px; font-weight: 500; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.alu-sidenews a:hover .alu-sidenews__title { color: var(--alu-accent); }

/* ---------- Article / prose ---------- */
.alu-article__cover { margin: 0 0 24px; border-radius: var(--alu-radius-lg); overflow: hidden; background: var(--alu-brushed); }
.alu-article__cover img { width: 100%; max-height: 520px; object-fit: cover; }
.alu-prose { overflow-wrap: anywhere; }
.alu-prose > *:first-child { margin-top: 0; }
.alu-prose h1, .alu-prose h2 { font-size: clamp(24px, 4vw, 32px); margin: 1.6em 0 .6em; }
.alu-prose h3 { font-size: 21px; margin: 1.4em 0 .5em; }
.alu-prose h4 { font-size: 18px; }
.alu-prose p, .alu-prose ul, .alu-prose ol { margin: 0 0 1em; }
.alu-prose img { border-radius: var(--alu-radius); height: auto !important; }
.alu-prose a { color: var(--alu-accent); text-decoration: underline; text-underline-offset: 2px; }
.alu-prose table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; font-size: 14px; }
.alu-prose th, .alu-prose td { border: 1px solid var(--alu-200); padding: 8px 10px; }
.alu-prose th { background: var(--alu-100); }
.alu-prose iframe, .alu-prose video { max-width: 100%; }
.alu-prose blockquote { border-left: 3px solid var(--alu-accent); padding: 4px 0 4px 16px; color: var(--alu-muted); }
.alu-prose--light, .alu-prose--light * { color: #fff !important; }
.alu-prose--light h1, .alu-prose--light h2, .alu-prose--light h3 { font-family: var(--alu-display); text-transform: uppercase; margin-top: 0; }

.alu-article__quote {
    display: flex; flex-direction: column; gap: 16px; margin: 32px 0;
    padding: 20px; border-radius: var(--alu-radius-lg); background: var(--alu-brushed); border: 1px solid var(--alu-300);
}
.alu-article__quote strong { display: block; font-size: 18px; color: var(--alu-ink); }
.alu-article__quote span { color: var(--alu-muted); font-size: 14px; }
@media (min-width: 768px) { .alu-article__quote { flex-direction: row; align-items: center; justify-content: space-between; padding: 24px 28px; } }

.alu-intro { display: grid; gap: 32px; }
@media (min-width: 992px) { .alu-intro { grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: center; } }

.alu-empty { padding: 40px; text-align: center; color: var(--alu-muted); border: 1px dashed var(--alu-300); border-radius: var(--alu-radius-lg); }

/* Pagination (Bootstrap markup) */
.alu-pagination { margin-top: 32px; }
.alu-pagination nav > div:first-child { display: none; } /* "Showing x to y" mobile text from bootstrap-5 view */
@media (min-width: 576px) { .alu-pagination nav > div:first-child { display: none; } }
.alu-pagination .d-sm-flex { display: flex !important; flex-direction: column; gap: 12px; align-items: center; }
.alu-pagination .d-sm-flex > div:first-child { display: none; }
.alu-pagination .pagination { margin: 0; gap: 6px; flex-wrap: wrap; justify-content: center; }
.alu-pagination .page-link { min-width: 42px; height: 42px; display: grid; place-items: center; border-radius: var(--alu-radius) !important; border: 1px solid var(--alu-200); color: var(--alu-text); font-weight: 600; }
.alu-pagination .page-item.active .page-link { background: var(--alu-ink); border-color: var(--alu-ink); color: #fff; }
.alu-pagination .page-link:hover { border-color: var(--alu-accent); color: var(--alu-accent); background: #fff; }

/* ---------- Contact ---------- */
.alu-contact { display: grid; gap: 40px; }
@media (min-width: 992px) { .alu-contact { grid-template-columns: 1fr 1.1fr; gap: 56px; } }
.alu-contact__heading { font-size: 22px; margin: 0 0 16px; }
.alu-contact__list { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 12px; }
.alu-contact__list li { display: flex; gap: 14px; padding: 14px; border: 1px solid var(--alu-200); border-radius: var(--alu-radius-lg); }
.alu-contact__list i { width: 40px; height: 40px; flex-shrink: 0; display: grid; place-items: center; border-radius: var(--alu-radius); background: var(--alu-accent-050); color: var(--alu-accent); }
.alu-contact__list small { display: block; color: var(--alu-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.alu-contact__list a, .alu-contact__list span { font-weight: 600; color: var(--alu-ink); }
.alu-contact__form { padding: 20px; border-radius: var(--alu-radius-lg); background: var(--alu-100); border: 1px solid var(--alu-200); align-self: start; }
@media (min-width: 768px) { .alu-contact__form { padding: 32px; } }
@media (min-width: 992px) { .alu-contact__form { position: sticky; top: calc(var(--alu-header-h) + 24px); } }

.alu-form { display: grid; gap: 16px; }
.alu-form__row { display: grid; gap: 16px; }
@media (min-width: 576px) { .alu-form__row { grid-template-columns: 1fr 1fr; } }
.alu-field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--alu-ink); }
.alu-field label span { color: var(--alu-accent); }
.alu-field input, .alu-field textarea, .alu-field select {
    width: 100%; min-height: 48px; padding: 12px 14px;
    font: 400 16px/1.4 var(--alu-font); /* 16px avoids iOS zoom */
    color: var(--alu-text); background: #fff; border: 1px solid var(--alu-300); border-radius: var(--alu-radius);
    transition: border-color .2s, box-shadow .2s;
}
.alu-field input:focus, .alu-field textarea:focus { outline: none; border-color: var(--alu-accent); box-shadow: 0 0 0 3px rgba(232, 89, 12, .15); }
.alu-field textarea { resize: vertical; }

.alu-alert { padding: 14px 16px; border-radius: var(--alu-radius); margin-bottom: 16px; font-size: 14px; border-left: 4px solid; }
.alu-alert--error { background: #fdecec; border-color: #d63939; }
.alu-alert--success { background: #e9f7ef; border-color: #2f9e44; }
.alu-alert--warn { background: #fff6e5; border-color: #f08c00; }

.alu-map { border-radius: var(--alu-radius-lg); overflow: hidden; background: var(--alu-steel); aspect-ratio: 16 / 10; }
.alu-map--tall { aspect-ratio: 4 / 3; }
.alu-map iframe { width: 100%; height: 100%; border: 0; display: block; filter: grayscale(.35) contrast(1.05); }

/* ---------- CTA + footer ---------- */
.alu-maplink { color: var(--alu-accent) !important; font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.alu-footer .alu-maplink { color: #ffb489 !important; }
.alu-cta { background: var(--alu-accent); color: #fff; }
.alu-cta__inner { display: flex; flex-direction: column; gap: 20px; padding-block: 36px; }
@media (min-width: 992px) { .alu-cta__inner { flex-direction: row; align-items: center; justify-content: space-between; padding-block: 44px; } }
.alu-cta__title { color: #fff !important; font-family: var(--alu-display); text-transform: uppercase; font-size: clamp(26px, 5vw, 40px); line-height: 1.05; margin: 0 0 6px; }
.alu-cta__text { margin: 0; color: rgba(255,255,255,.88); }
.alu-cta__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.alu-cta__actions .alu-btn { flex: 1 1 auto; }
.alu-cta .alu-btn--primary { background: var(--alu-ink); }
.alu-cta .alu-btn--primary:hover { background: #000; }

.alu-footer { background: var(--alu-ink); color: var(--alu-400); font-size: 14px; line-height: 1.6; }
.alu-footer__grid { display: grid; gap: 20px; padding-block: 40px 28px; }
@media (min-width: 768px) { .alu-footer__grid { grid-template-columns: 1fr 1fr; } .alu-footer__map { grid-column: 1 / -1; } }
@media (min-width: 1200px) {
    .alu-footer__grid { grid-template-columns: 1fr 1.2fr 1.1fr; gap: 24px; padding-block: 56px 40px; align-items: stretch; }
    .alu-footer__map { grid-column: auto; }
}
/* 3 khối cùng chiều cao (grid stretch), bản đồ giãn theo hàng */
.alu-footer__block {
    min-width: 0; display: flex; flex-direction: column;
    padding: 24px; border: 1px solid rgba(255,255,255,.08); border-radius: var(--alu-radius-lg);
    background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.01));
}
.alu .alu-footer__logo { align-self: flex-start; max-width: 180px; margin-bottom: 16px; background: #fff; padding: 8px 12px; border-radius: var(--alu-radius); }
.alu-footer__name { color: #fff !important; font-size: 16px; margin: 0 0 8px; }
.alu-footer__desc { margin: 0 0 18px; }
.alu-footer__heading {
    color: #fff !important; font-size: 13px; text-transform: uppercase; letter-spacing: .12em; margin: 0 0 16px;
    padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.1); position: relative;
}
.alu-footer__heading::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 32px; height: 2px; background: var(--alu-accent); }
.alu-footer__contact { list-style: none; margin: auto 0 0; padding: 16px 0 0; display: grid; gap: 10px; border-top: 1px solid rgba(255,255,255,.08); }
.alu-footer__contact li { display: grid; grid-template-columns: 18px 1fr; gap: 12px; overflow-wrap: anywhere; }
.alu-footer__contact i { color: var(--alu-accent); margin-top: 4px; }
.alu-footer__contact a:hover, .alu-footer__address a:hover { color: #fff; }
.alu-footer__address { overflow-wrap: anywhere; }
.alu-footer__address b, .alu-footer__address strong { color: #fff; }
.alu-footer__map .alu-map { flex: 1; aspect-ratio: auto; min-height: 240px; }

.alu-footer__bar { border-top: 1px solid rgba(255,255,255,.08); }
.alu-footer__bar-inner { display: flex; flex-direction: column; gap: 16px; padding-block: 18px; }
@media (min-width: 992px) {
    .alu-footer__bar-inner { flex-direction: row; align-items: center; justify-content: space-between; }
    /* chừa chỗ cho nút nổi Zalo/Gọi ở góc phải */
    .alu-footer__bar-inner, .alu-footer__bottom-inner { padding-right: 84px; }
}
.alu-footer__links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.alu-footer__links a { font-weight: 500; color: var(--alu-300); }
.alu-footer__links a:hover { color: var(--alu-accent); }
.alu-social { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; flex-wrap: wrap; }
.alu-social a { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.14); border-radius: var(--alu-radius); color: var(--alu-300); }
.alu-social a:hover { background: var(--alu-accent); border-color: var(--alu-accent); color: #fff; }
.alu-footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding-block: 12px; font-size: 13px; }
.alu-footer__bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.alu-footer__bottom p { margin: 0; }
.alu-footer__top { display: grid; place-items: center; width: 34px; height: 34px; flex-shrink: 0; border: 1px solid rgba(255,255,255,.16); border-radius: var(--alu-radius); color: var(--alu-300) !important; }
.alu-footer__top:hover { border-color: var(--alu-accent); color: #fff !important; }

/* ---------- Mobile dock & desktop float ---------- */
.alu-dock {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 990;
    display: flex; background: #fff; border-top: 1px solid var(--alu-200);
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -8px 24px -16px rgba(17,22,28,.35);
}
.alu-dock__item {
    flex: 1; height: var(--alu-dock-h, 64px); min-height: 60px;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
    font-size: 12px; font-weight: 600; color: var(--alu-text) !important;
}
.alu-dock__item i { font-size: 18px; color: var(--alu-accent); }
.alu-dock__item--primary { background: var(--alu-accent); color: #fff !important; }
.alu-dock__item--primary i { color: #fff; }

.alu-float { position: fixed; right: 24px; bottom: 72px; z-index: 990; flex-direction: column; gap: 10px; }
.alu-float__btn {
    width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
    color: #fff !important; font-size: 20px; font-weight: 700; box-shadow: var(--alu-shadow-lg);
    transition: transform .2s;
}
.alu-float__btn:hover { transform: scale(1.08); }
.alu-float__btn--zalo { background: #0068ff; font-size: 13px; }
.alu-float__btn--fb { background: #0084ff; }
.alu-float__btn--call { background: var(--alu-accent); animation: alu-pulse 2.4s infinite; }
@keyframes alu-pulse {
    0% { box-shadow: 0 0 0 0 rgba(232, 89, 12, .55); }
    70% { box-shadow: 0 0 0 16px rgba(232, 89, 12, 0); }
    100% { box-shadow: 0 0 0 0 rgba(232, 89, 12, 0); }
}

/* ---------- Reveal (chỉ trượt nhẹ, không ẩn nội dung) ---------- */
.alu-reveal { transform: translateY(14px); transition: transform .6s ease; }
.alu-reveal.is-in { transform: none; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
    .alu-reveal { transform: none; }
}

/* ---------- Legacy compat (Booking module & demo pages still using Porto markup) ---------- */
.alu .page-header { margin: 0; padding: 36px 0; color: #fff; background: linear-gradient(120deg, var(--alu-ink), var(--alu-steel)); border-bottom: 3px solid var(--alu-accent); }
.alu .page-header h1, .alu .page-header h2 { color: #fff; font-family: var(--alu-display); text-transform: uppercase; font-size: clamp(28px, 5vw, 48px); margin: 0 0 8px; }
.alu .page-header .breadcrumb { margin: 0; padding: 0; list-style: none; display: flex; gap: 8px; font-size: 13px; color: var(--alu-400); background: none; }
.alu .page-header .breadcrumb a { color: var(--alu-400); }
.alu .btn-primary { background: var(--alu-accent); border-color: var(--alu-accent); }
.alu .btn-primary:hover { background: var(--alu-accent-600); border-color: var(--alu-accent-600); }
.alu .form-control { min-height: 46px; border-radius: var(--alu-radius); font-size: 16px; }
.alu .form-control:focus { border-color: var(--alu-accent); box-shadow: 0 0 0 3px rgba(232, 89, 12, .15); }
.alu .card { border-radius: var(--alu-radius-lg); border-color: var(--alu-200); }