/* ==========================================================================
   VILTOLY design system
   Colours come from the Viltoly Brand Guidelines v1.0 (2026).
   Bootstrap 5 supplies reboot, grid and utilities; components below are custom.
   ========================================================================== */

:root {
    /* Brand palette */
    --vt-blue: #0092FF;        /* Viltoly Blue – gradient start, accents on dark */
    --vt-blue-600: #0060B8;    /* accessible blue for text, links and buttons on white */
    --vt-navy: #011F4E;        /* Deep Navy */
    --vt-teal: #0AB1B2;        /* Lake Teal */
    --vt-green: #47E0A7;       /* Leaf Green */
    --vt-ink: #091D30;         /* Ink Navy – primary text */
    --vt-graphite: #5B5B5D;    /* Graphite */

    /* Neutrals */
    --vt-bg: #FFFFFF;
    --vt-surface: #F4F7FA;
    --vt-surface-2: #EAF1F7;
    --vt-line: #DFE6ED;
    --vt-muted: #4E5A66;

    /* Type */
    --vt-font-latin: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    --vt-fs-hero: clamp(2.25rem, 1.4rem + 3.4vw, 4rem);
    --vt-fs-h1: clamp(2rem, 1.5rem + 2vw, 3rem);
    --vt-fs-h2: clamp(1.6rem, 1.3rem + 1.2vw, 2.25rem);
    --vt-fs-lead: clamp(1.05rem, 1rem + 0.3vw, 1.2rem);

    /* Space, shape, motion */
    --vt-section: clamp(4rem, 3rem + 4vw, 7rem);
    --vt-radius: 14px;
    --vt-radius-lg: 22px;
    --vt-shadow: 0 1px 2px rgba(9, 29, 48, .04), 0 8px 24px rgba(9, 29, 48, .06);
    --vt-shadow-lg: 0 2px 4px rgba(9, 29, 48, .04), 0 20px 48px rgba(9, 29, 48, .10);
    --vt-ease: cubic-bezier(.2, .7, .2, 1);
    --vt-header-h: 76px;
}

/* ---------- Base ---------- */
html { scroll-padding-top: calc(var(--vt-header-h) + 16px); }
body {
    font-family: var(--vt-font-latin);
    color: var(--vt-ink);
    background: var(--vt-bg);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
/* Latin glyphs from the system UI font, Han glyphs from the region-appropriate CJK font. */
html:lang(zh-CN) body { font-family: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif; line-height: 1.8; }
html:lang(zh-HK) body { font-family: "Segoe UI", system-ui, -apple-system, "PingFang HK", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif; line-height: 1.8; }

h1, h2, h3, h4 { color: var(--vt-ink); font-weight: 700; letter-spacing: -0.015em; line-height: 1.2; }
html:lang(zh-CN) :is(h1, h2, h3), html:lang(zh-HK) :is(h1, h2, h3) { letter-spacing: 0.01em; line-height: 1.35; }
a { color: var(--vt-blue-600); text-underline-offset: 3px; }
a:hover { color: var(--vt-navy); }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid var(--vt-blue); outline-offset: 3px; border-radius: 4px; }
main:focus { outline: none; }

.container { max-width: 1240px; padding-inline: clamp(1.25rem, 4vw, 2rem); }

.skip-link {
    position: absolute; left: 1rem; top: -100px; z-index: 1000;
    background: var(--vt-navy); color: #fff; padding: .75rem 1rem; border-radius: 8px;
}
.skip-link:focus { top: 1rem; color: #fff; }

/* ---------- Buttons ---------- */
.btn-vt {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    min-height: 48px; padding: .75rem 1.5rem;
    border-radius: 999px; border: 1.5px solid transparent;
    font-weight: 600; font-size: 1rem; line-height: 1.2; text-decoration: none; white-space: nowrap;
    transition: background-color .2s var(--vt-ease), color .2s var(--vt-ease), border-color .2s var(--vt-ease), transform .2s var(--vt-ease);
    cursor: pointer;
}
.btn-vt:active { transform: translateY(1px); }
.btn-vt--sm { min-height: 40px; padding: .5rem 1.15rem; font-size: .95rem; }
.btn-vt--primary { background: var(--vt-blue-600); color: #fff; }
.btn-vt--primary:hover { background: var(--vt-navy); color: #fff; }
.btn-vt--accent { background: var(--vt-green); color: var(--vt-ink); }
.btn-vt--accent:hover { background: #7BEAC0; color: var(--vt-ink); }
.btn-vt--outline-light { border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn-vt--outline-light:hover { border-color: #fff; background: rgba(255, 255, 255, .08); color: #fff; }
.btn-vt--ghost { border-color: var(--vt-line); color: var(--vt-ink); }
.btn-vt--ghost:hover { border-color: var(--vt-ink); color: var(--vt-ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }

.link-arrow {
    display: inline-flex; align-items: center; gap: .4rem;
    font-weight: 600; text-decoration: none; color: var(--vt-blue-600);
}
.link-arrow .icon { width: 18px; height: 18px; transition: transform .2s var(--vt-ease); }
.link-arrow:hover .icon { transform: translateX(3px); }

.icon { width: 28px; height: 28px; flex-shrink: 0; }

/* ---------- Header ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(160%) blur(12px);
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color .2s, box-shadow .2s;
}
.site-header.is-scrolled { border-bottom-color: var(--vt-line); box-shadow: 0 4px 20px rgba(9, 29, 48, .05); }
.site-header__inner { display: flex; align-items: center; gap: 1.5rem; min-height: var(--vt-header-h); }
.site-logo { display: block; flex-shrink: 0; }
.site-logo img { display: block; height: 40px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 1.5rem; margin-left: auto; }
.site-nav__list { display: flex; gap: .25rem; list-style: none; margin: 0; padding: 0; }
.site-nav__link {
    display: block; padding: .5rem .7rem; border-radius: 8px;
    color: var(--vt-ink); font-weight: 500; font-size: .96rem; text-decoration: none; white-space: nowrap;
    position: relative;
}
.site-nav__link:hover { color: var(--vt-blue-600); }
.site-nav__link[aria-current="page"] { color: var(--vt-blue-600); }
.site-nav__link[aria-current="page"]::after {
    content: ""; position: absolute; left: .7rem; right: .7rem; bottom: .15rem; height: 2px;
    border-radius: 2px; background: linear-gradient(90deg, var(--vt-blue), var(--vt-teal));
}
.site-nav__actions { display: flex; align-items: center; gap: .75rem; }

.lang-switch { position: relative; }
.lang-switch summary {
    display: flex; align-items: center; gap: .4rem; list-style: none; cursor: pointer;
    padding: .45rem .7rem; border-radius: 999px; color: var(--vt-ink); font-size: .92rem; font-weight: 500;
}
.lang-switch summary::-webkit-details-marker { display: none; }
.lang-switch summary:hover, .lang-switch[open] summary { background: var(--vt-surface); }
.lang-switch__menu {
    position: absolute; right: 0; top: calc(100% + .5rem); min-width: 160px;
    list-style: none; margin: 0; padding: .4rem; background: #fff;
    border: 1px solid var(--vt-line); border-radius: 12px; box-shadow: var(--vt-shadow-lg);
}
.lang-switch__menu a {
    display: block; padding: .55rem .8rem; border-radius: 8px; color: var(--vt-ink); text-decoration: none; font-size: .95rem;
}
.lang-switch__menu a:hover { background: var(--vt-surface); }
.lang-switch__menu a[aria-current="true"] { color: var(--vt-blue-600); font-weight: 600; }

.nav-toggle {
    display: none; margin-left: auto; width: 44px; height: 44px; border: 0; border-radius: 10px;
    background: transparent; position: relative;
}
.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after {
    position: absolute; left: 11px; width: 22px; height: 2px; border-radius: 2px; background: var(--vt-ink);
    transition: transform .25s var(--vt-ease), opacity .2s;
}
.nav-toggle__bar { top: 21px; }
.nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; left: 0; }
.nav-toggle__bar::before { top: -7px; }
.nav-toggle__bar::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1199.98px) {
    :root { --vt-header-h: 68px; }
    .site-logo img { height: 34px; }
    .nav-toggle { display: block; }
    .site-nav {
        position: fixed; inset: var(--vt-header-h) 0 0 0; z-index: 99;
        flex-direction: column; align-items: stretch; gap: 1.5rem;
        padding: 1.5rem clamp(1.25rem, 4vw, 2rem) 2rem; margin: 0;
        background: #fff; overflow-y: auto;
        visibility: hidden; opacity: 0; transform: translateY(-8px);
        transition: opacity .2s var(--vt-ease), transform .2s var(--vt-ease), visibility 0s .2s;
    }
    .site-nav.is-open { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
    .site-nav__list { flex-direction: column; gap: 0; }
    .site-nav__link { padding: 1rem .25rem; font-size: 1.1rem; border-bottom: 1px solid var(--vt-line); border-radius: 0; }
    .site-nav__link[aria-current="page"]::after { display: none; }
    .site-nav__actions { flex-direction: column; align-items: stretch; }
    .site-nav__actions .btn-vt { width: 100%; }
    .lang-switch__menu { position: static; box-shadow: none; margin-top: .5rem; }
    body.nav-open { overflow: hidden; }
}
@media (min-width: 1200px) {
    .site-nav { visibility: visible !important; }
}

/* ---------- Generic sections ---------- */
.section { padding-block: var(--vt-section); }
.section--tight { padding-block: clamp(2.5rem, 2rem + 2vw, 4rem); }
.section--surface { background: var(--vt-surface); }
.section-head { max-width: 760px; margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem); }
.section-head--split {
    max-width: none; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem 3rem;
}
.section-head--split .section-lead { max-width: 520px; margin: 0; }
.section-title { font-size: var(--vt-fs-h2); margin: 0 0 1rem; }
.section-head .section-title { margin-bottom: 0; }
.section-lead { font-size: var(--vt-fs-lead); color: var(--vt-muted); }
.lead-vt { font-size: var(--vt-fs-lead); color: var(--vt-muted); max-width: 640px; }
.subheading { font-size: 1.15rem; margin: 2.5rem 0 1rem; }
.fine-print { font-size: .9rem; color: var(--vt-muted); margin-top: 2.5rem; max-width: 820px; }

.eyebrow {
    display: inline-flex; align-items: center; gap: .6rem; margin-bottom: 1rem;
    font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--vt-blue-600);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--vt-blue), var(--vt-green)); }
html:lang(zh-CN) .eyebrow, html:lang(zh-HK) .eyebrow { letter-spacing: .2em; font-size: .85rem; }
.eyebrow--light { color: var(--vt-green); }

/* ---------- Hero ---------- */
.hero {
    position: relative; overflow: hidden; color: #fff;
    padding-block: clamp(4rem, 3rem + 5vw, 7.5rem);
    background:
        radial-gradient(60% 80% at 85% 30%, rgba(0, 146, 255, .22), transparent 70%),
        radial-gradient(40% 60% at 70% 90%, rgba(10, 177, 178, .16), transparent 70%),
        var(--vt-ink);
}
.hero::after {
    content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
    background-image: radial-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(90deg, transparent, #000 60%);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 60%);
}
.hero .container { position: relative; z-index: 1; }
.hero__title { color: #fff; font-size: var(--vt-fs-hero); font-weight: 700; letter-spacing: -0.025em; margin-bottom: 1.5rem; }
html:lang(zh-CN) .hero__title, html:lang(zh-HK) .hero__title { letter-spacing: .02em; }
.hero__lead { font-size: var(--vt-fs-lead); color: rgba(255, 255, 255, .78); max-width: 560px; }
.hero__art { display: block; width: 100%; max-width: 620px; margin-inline: auto; }

/* ---------- Values / feature tiles ---------- */
.value { height: 100%; }
.value__icon, .note-panel__icon {
    display: inline-grid; place-items: center; width: 56px; height: 56px; margin-bottom: 1.25rem;
    border-radius: 16px; color: var(--vt-blue-600);
    background: linear-gradient(135deg, rgba(0, 146, 255, .12), rgba(71, 224, 167, .14));
}
.value__title { font-size: 1.25rem; margin-bottom: .6rem; }
.value__text { color: var(--vt-muted); margin: 0; }
.value--panel { background: var(--vt-surface); border-radius: var(--vt-radius-lg); padding: clamp(1.75rem, 1.5rem + 1vw, 2.5rem); }

/* ---------- Business areas ---------- */
.area {
    display: flex; flex-direction: column; height: 100%;
    padding: 2rem; border-radius: var(--vt-radius-lg); background: #fff;
    color: var(--vt-ink); text-decoration: none;
    box-shadow: var(--vt-shadow);
    transition: transform .25s var(--vt-ease), box-shadow .25s var(--vt-ease);
}
.area:hover { color: var(--vt-ink); transform: translateY(-4px); box-shadow: var(--vt-shadow-lg); }
.area__icon { color: var(--vt-blue-600); margin-bottom: 1.5rem; }
.area__icon .icon { width: 36px; height: 36px; }
.area__title { font-size: 1.2rem; margin-bottom: .5rem; }
.area__text { color: var(--vt-muted); flex-grow: 1; }
.area__more { display: inline-flex; align-items: center; gap: .35rem; font-weight: 600; color: var(--vt-blue-600); font-size: .95rem; }
.area__more .icon { width: 18px; height: 18px; transition: transform .2s var(--vt-ease); }
.area:hover .area__more .icon, .news-card a:hover .area__more .icon { transform: translateX(3px); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps--five { grid-template-columns: repeat(5, 1fr); }
.steps__item { position: relative; padding-top: 1.75rem; border-top: 2px solid var(--vt-line); }
.steps__item::before {
    content: ""; position: absolute; top: -2px; left: 0; width: 48px; height: 2px;
    background: linear-gradient(90deg, var(--vt-blue), var(--vt-teal));
}
.steps__num { display: block; font-size: .95rem; font-weight: 700; color: var(--vt-teal); margin-bottom: .75rem; letter-spacing: .05em; }
.steps__title { font-size: 1.15rem; margin-bottom: .5rem; }
.steps__text { color: var(--vt-muted); margin: 0; font-size: .97rem; }
@media (max-width: 991.98px) { .steps, .steps--five { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575.98px) { .steps, .steps--five { grid-template-columns: 1fr; gap: 1.5rem; } }

/* ---------- CTA band ---------- */
.cta-band {
    color: #fff; padding-block: clamp(3.5rem, 3rem + 3vw, 5.5rem);
    background:
        radial-gradient(50% 120% at 100% 0%, rgba(71, 224, 167, .18), transparent 60%),
        linear-gradient(120deg, var(--vt-navy), #03306F);
}
.cta-band__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem; }
.cta-band__title { color: #fff; font-size: var(--vt-fs-h2); margin-bottom: .5rem; }
.cta-band__text { color: rgba(255, 255, 255, .78); margin: 0; font-size: var(--vt-fs-lead); }
.cta-band .btn-row { margin-top: 0; }

/* ---------- Page header (interior pages) ---------- */
.page-header {
    padding-block: clamp(3rem, 2.5rem + 3vw, 5.5rem);
    background: linear-gradient(180deg, var(--vt-surface) 0%, #fff 100%);
}
.page-header--compact { padding-block: 1.5rem 0; background: none; }
.page-header__title { font-size: var(--vt-fs-h1); margin-bottom: 1rem; }
.page-header__lead { font-size: var(--vt-fs-lead); color: var(--vt-muted); max-width: 640px; margin: 0; }
.page-header__art { display: block; width: 100%; max-width: 560px; margin-inline: auto; }

.breadcrumb-vt { display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; margin: 0 0 1.75rem; padding: 0; font-size: .9rem; color: var(--vt-muted); }
.breadcrumb-vt li + li::before { content: "/"; margin-right: .35rem; color: #A3AEB9; }
.breadcrumb-vt a { color: var(--vt-muted); text-decoration: none; }
.breadcrumb-vt a:hover { color: var(--vt-blue-600); text-decoration: underline; }

/* ---------- About ---------- */
.prose { font-size: 1.05rem; color: #24384B; }
.prose p { margin-bottom: 1.25rem; }
.prose h2 { font-size: 1.35rem; margin: 2.5rem 0 .75rem; }
.prose h2:first-child { margin-top: 0; }
.prose--narrow { max-width: 760px; }
.brand-mark {
    display: grid; place-items: center; aspect-ratio: 1; max-width: 420px; margin-inline: auto;
    border-radius: 50%; background: radial-gradient(closest-side, #fff 55%, rgba(255, 255, 255, 0) 100%);
}
.brand-mark img { width: 62%; }
.pillar__title { font-size: 1.1rem; margin-bottom: .35rem; }
.pillar__text { color: var(--vt-muted); font-size: .97rem; margin: 0; }

.check-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.check-list li { position: relative; padding: .9rem 0 .9rem 2.25rem; border-bottom: 1px solid var(--vt-line); }
.check-list li::before {
    content: ""; position: absolute; left: 0; top: 1.15rem; width: 20px; height: 20px; border-radius: 50%;
    background: var(--vt-green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%23091D30' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat;
}
.check-list--compact li { padding-block: .6rem; border: 0; }
.check-list--compact li::before { top: .85rem; }

.note-panel { height: 100%; padding: clamp(1.75rem, 1.5rem + 1vw, 2.75rem); border-radius: var(--vt-radius-lg); background: var(--vt-surface); }
.note-panel__title { font-size: 1.35rem; margin-bottom: .75rem; }
.note-panel p { color: var(--vt-muted); margin: 0; }

/* ---------- Business page ---------- */
.chip-nav { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
    display: inline-block; padding: .5rem 1rem; border-radius: 999px; background: var(--vt-surface);
    color: var(--vt-ink); font-size: .93rem; font-weight: 500; text-decoration: none; transition: background-color .2s;
}
.chip:hover { background: var(--vt-surface-2); color: var(--vt-ink); }
.chip[aria-current="true"] { background: var(--vt-ink); color: #fff; }
.biz-list { margin-top: 3rem; }
.biz {
    display: grid; grid-template-columns: 72px 1fr auto; gap: 1.5rem 2.5rem; align-items: start;
    padding-block: 2.5rem; border-top: 1px solid var(--vt-line);
}
.biz:last-child { border-bottom: 1px solid var(--vt-line); }
.biz__icon {
    display: grid; place-items: center; width: 72px; height: 72px; border-radius: 20px; color: var(--vt-blue-600);
    background: linear-gradient(135deg, rgba(0, 146, 255, .12), rgba(71, 224, 167, .14));
}
.biz__icon .icon { width: 34px; height: 34px; }
.biz__title { font-size: 1.5rem; margin-bottom: .5rem; }
.biz__lead { font-size: 1.08rem; font-weight: 500; color: var(--vt-ink); margin-bottom: .5rem; }
.biz__detail { color: var(--vt-muted); margin: 0; max-width: 720px; }
.biz__action { align-self: center; }
@media (max-width: 767.98px) {
    .biz { grid-template-columns: 56px 1fr; }
    .biz__icon { width: 56px; height: 56px; border-radius: 16px; }
    .biz__action { grid-column: 2; }
}

/* ---------- Products ---------- */
.catalog-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; margin-bottom: 2.5rem; }
.search { position: relative; flex: 0 1 340px; }
.search__input {
    width: 100%; height: 48px; padding: 0 3rem 0 1.25rem; border-radius: 999px;
    border: 1.5px solid var(--vt-line); background: #fff; color: var(--vt-ink);
}
.search__input:focus { border-color: var(--vt-blue-600); outline: none; box-shadow: 0 0 0 4px rgba(0, 146, 255, .15); }
.search__button {
    position: absolute; right: 4px; top: 4px; width: 40px; height: 40px; border: 0; border-radius: 50%;
    display: grid; place-items: center; background: var(--vt-blue-600); color: #fff;
}
.search__button .icon { width: 18px; height: 18px; }
.result-count { color: var(--vt-muted); font-size: .93rem; margin-bottom: 1.25rem; }

.product-card { height: 100%; }
.product-card__link {
    display: flex; flex-direction: column; height: 100%; border-radius: var(--vt-radius-lg); overflow: hidden;
    background: #fff; color: var(--vt-ink); text-decoration: none; box-shadow: var(--vt-shadow);
    transition: transform .25s var(--vt-ease), box-shadow .25s var(--vt-ease);
}
.product-card__link:hover { color: var(--vt-ink); transform: translateY(-4px); box-shadow: var(--vt-shadow-lg); }
.product-card__media { aspect-ratio: 4 / 3; background: var(--vt-surface); }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; }
.product-card__body { padding: 1.25rem 1.4rem 1.5rem; }
.product-card__category { font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--vt-teal); margin-bottom: .35rem; }
.product-card__title { font-size: 1.08rem; margin-bottom: .35rem; }
.product-card__text { color: var(--vt-muted); font-size: .93rem; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.gallery__main { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--vt-radius-lg); background: var(--vt-surface); }
.gallery__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; margin-top: .75rem; }
.gallery__thumbs img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 10px; background: var(--vt-surface); }
.product-title { font-size: var(--vt-fs-h1); margin-bottom: .75rem; }
.product-sku { color: var(--vt-muted); font-size: .9rem; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: .75rem 0; border-bottom: 1px solid var(--vt-line); vertical-align: top; }
.spec-table th { width: 40%; font-weight: 500; color: var(--vt-muted); padding-right: 1rem; }

.empty-panel {
    display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.25rem;
    padding: clamp(2.5rem, 2rem + 3vw, 4.5rem) 1.5rem; border-radius: var(--vt-radius-lg);
    background: var(--vt-surface);
}
.empty-panel p { max-width: 560px; margin: 0; color: var(--vt-muted); font-size: 1.05rem; }
.empty-panel__icons { display: flex; gap: .75rem; }
.empty-panel__icons span {
    display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: #fff; color: var(--vt-blue-600);
    box-shadow: var(--vt-shadow);
}

.pager { display: flex; align-items: center; justify-content: center; gap: 1.5rem; margin-top: 3rem; }
.pager__link { padding: .55rem 1.2rem; border-radius: 999px; border: 1.5px solid var(--vt-line); color: var(--vt-ink); text-decoration: none; font-weight: 500; }
.pager__link:hover { border-color: var(--vt-ink); color: var(--vt-ink); }
.pager__status { color: var(--vt-muted); font-size: .93rem; }

/* ---------- News ---------- */
.news-card a {
    display: block; height: 100%; border-radius: var(--vt-radius-lg); overflow: hidden; background: #fff;
    color: var(--vt-ink); text-decoration: none; box-shadow: var(--vt-shadow);
}
.news-card__img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.news-card__body { padding: 1.5rem; }
.news-card time { font-size: .85rem; color: var(--vt-muted); }
.news-card__title { font-size: 1.2rem; margin: .5rem 0; }
.news-card p { color: var(--vt-muted); }
.news-cover { width: 100%; border-radius: var(--vt-radius-lg); margin: 1rem 0 2rem; }

/* ---------- Inquiry form ---------- */
.inquiry { border-radius: var(--vt-radius-lg); background: #fff; box-shadow: var(--vt-shadow-lg); padding: clamp(1.5rem, 1rem + 2vw, 2.75rem); }
.inquiry:focus { outline: none; }
.field__label { display: flex; align-items: baseline; gap: .35rem; font-weight: 600; font-size: .93rem; margin-bottom: .45rem; }
.field__req { color: #C2410C; }
.field__opt { font-weight: 400; color: var(--vt-muted); font-size: .85rem; }
.field__input {
    display: block; width: 100%; min-height: 50px; padding: .75rem 1rem;
    border: 1.5px solid var(--vt-line); border-radius: 12px; background: #fff; color: var(--vt-ink); font: inherit;
    transition: border-color .2s, box-shadow .2s;
}
.field__input--area { resize: vertical; min-height: 160px; }
.field__input:hover { border-color: #C3CEDA; }
.field__input:focus { border-color: var(--vt-blue-600); outline: none; box-shadow: 0 0 0 4px rgba(0, 146, 255, .15); }
.field__input[aria-invalid="true"] { border-color: #C0392B; }
.field__hint { font-size: .85rem; color: var(--vt-muted); margin: .4rem 0 0; }
.field__error { font-size: .88rem; color: #B42318; margin: .4rem 0 0; font-weight: 500; }
.inquiry__alert { margin-bottom: 1.5rem; padding: .9rem 1.1rem; border-radius: 12px; background: #FEF3F2; color: #B42318; font-weight: 500; }
.inquiry__footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-top: .5rem; }
.inquiry__privacy { font-size: .88rem; color: var(--vt-muted); margin: 0; max-width: 420px; }
.inquiry__success { text-align: center; padding: 2rem 1rem; }
.inquiry__success h2 { font-size: 1.5rem; margin: 1.25rem 0 .5rem; }
.inquiry__success p { color: var(--vt-muted); margin: 0; }
.hp-field { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.contact-aside { position: sticky; top: calc(var(--vt-header-h) + 2rem); }
.contact-aside__title { font-size: 1.35rem; margin-bottom: .5rem; }
.contact-aside > p { color: var(--vt-muted); }
.contact-details { margin: 2rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--vt-line); }
.contact-details dt { font-size: .85rem; color: var(--vt-muted); font-weight: 500; }
.contact-details dd { margin-bottom: 1rem; font-weight: 500; }

/* ---------- Error ---------- */
.error-page { padding-block: clamp(5rem, 4rem + 6vw, 9rem); }
.error-page h1 { font-size: var(--vt-fs-h1); }

/* ---------- Footer ---------- */
.site-footer { background: var(--vt-ink); color: rgba(255, 255, 255, .72); padding-block: 4.5rem 2rem; font-size: .95rem; }
.site-footer__logo { height: 44px; width: auto; margin-bottom: 1.5rem; }
.site-footer__tagline { max-width: 400px; margin: 0; }
.site-footer__heading { color: #fff; font-size: .85rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 1.25rem; }
.site-footer__links { list-style: none; padding: 0; margin: 0; }
.site-footer__links li { margin-bottom: .7rem; }
.site-footer a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.site-footer a:hover { color: var(--vt-green); }
.site-footer__bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
    margin-top: 4rem; padding-top: 1.75rem; border-top: 1px solid rgba(255, 255, 255, .12); font-size: .875rem;
}
.site-footer__bottom p { margin: 0; }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}