/* ==========================================================================
   Welkem — fiche produit « Signature » (Style 12)
   Dark hero stage + editorial sections. Motion: transform / opacity only.
   ========================================================================== */
.wk-prod { --g: var(--wk-primary); --card: #fff; position: relative; color: var(--wk-ink); }
.wk-prod svg { flex: none; }
.wk-prod .wk-l-spin { transform-box: view-box; animation: wk-pspin var(--dur, 40s) linear infinite; }
.wk-prod svg [class*="wk-l-"]:not(.wk-l-spin) { transform-box: fill-box; transform-origin: 50% 50%; }

/* ---------- 1. Hero ---------- */
.wk-pp {
    position: relative; isolation: isolate; overflow: hidden;
    background: #020617; color: #fff;
    padding: clamp(7.5rem, 10vw, 9.5rem) 0 clamp(5rem, 7vw, 6.5rem);
}
.wk-pp .wk-ph__glow--a { background: radial-gradient(circle, color-mix(in srgb, var(--g) 34%, transparent) 0%, transparent 62%); right: auto; left: -18vw; top: -30vw; }
.wk-pp__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.75rem; }
@media (min-width: 1024px) {
    .wk-pp__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(3rem, 5.5vw, 6rem); align-items: start; }
    .wk-pp__media { position: sticky; top: 7.5rem; }
}
.wk-pp__media { position: relative; z-index: 1; }

/* stage */
.wk-pp__stage { position: relative; width: 100%; max-width: 600px; margin-inline: auto; aspect-ratio: 1 / 1; }
.wk-motion .wk-pp__stage, .wk-motion .wk-pp .wk-pchip__in { opacity: 0; }
.wk-pp__stage .wk-pscene__glow { position: absolute; inset: -6%; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--g) 40%, transparent) 0%, transparent 66%); }
.wk-pp__orbits { position: absolute; inset: -9%; width: 118%; height: 118%; overflow: visible; pointer-events: none; }
.wk-pp__orbits .wk-l-spin { transform-origin: 300px 300px; }
.wk-pp__ticks { fill: none; stroke: #fff; stroke-opacity: 0.22; stroke-width: 1.2; }
.wk-pp__orbits .wk-l-bubble { fill: var(--wk-accent); opacity: 0.7; }
.wk-pp__frame {
    position: absolute; inset: 7%; z-index: 2; overflow: hidden; border-radius: 2rem; background: #fff;
    box-shadow: 0 60px 120px -50px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.08);
    cursor: zoom-in; touch-action: pan-y;
}
.wk-pp__slides { position: absolute; inset: 0; }
.wk-pp__slide { position: absolute; inset: 0; margin: 0; opacity: 0; transform: scale(1.05); transition: opacity 0.8s var(--wk-ease-out), transform 1.2s var(--wk-ease-out); }
.wk-pp__slide.is-active { opacity: 1; transform: none; }
.wk-pp__slide img { width: 100%; height: 100%; object-fit: contain; transform-origin: var(--zx, 50%) var(--zy, 50%); transition: transform 0.6s var(--wk-ease-out); }
@media (hover: hover) and (pointer: fine) { .wk-pp__frame.is-zoom .wk-pp__slide.is-active img { transform: scale(1.85); transition-duration: 0.35s; } }
.wk-pp__scan {
    position: absolute; left: 0; right: 0; top: 0; height: 34%; pointer-events: none; z-index: 1;
    background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--g) 26%, transparent) 85%, color-mix(in srgb, var(--g) 70%, transparent) 99%, transparent);
    mix-blend-mode: multiply; transform: translate3d(0, -110%, 0); opacity: 0;
}
.wk-pp.is-live .wk-pp__scan { animation: wk-pp-scan 2.2s var(--wk-ease-inout) 0.5s 1 both; }
@keyframes wk-pp-scan { 0% { transform: translate3d(0, -110%, 0); opacity: 1; } 85% { opacity: 1; } 100% { transform: translate3d(0, 300%, 0); opacity: 0; } }
.wk-pp__flags { position: absolute; top: 1.1rem; left: 1.1rem; z-index: 3; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.wk-pp__flag { padding: 0.4rem 0.75rem; border-radius: 999px; background: #0f172a; color: #fff; font-size: 0.66rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.wk-pp__flag--sale { background: #e11d48; }
.wk-pp__flag--top { background: #f59e0b; color: #1c1917; }
.wk-pp__tools { position: absolute; top: 1rem; right: 1rem; z-index: 3; display: flex; flex-direction: column; gap: 0.5rem; }
.wk-pp__tool {
    display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: 50%;
    background: rgba(255, 255, 255, 0.92); border: 1px solid rgba(15, 23, 42, 0.08); color: #334155;
    box-shadow: 0 10px 24px -12px rgba(15, 23, 42, 0.45); cursor: pointer;
    transition: transform 0.5s var(--wk-ease-out), background 0.3s, color 0.3s;
}
.wk-pp__tool svg { width: 1.1rem; height: 1.1rem; }
.wk-pp__tool:hover { transform: scale(1.08); background: #0f172a; color: #fff; }
.wk-pp__tool.is-on, .wk-pp__tool .fill-red-500 { color: #ef4444; }
.wk-pp__tool.is-on:hover { color: #ef4444; }
.wk-pp__tool.is-done { background: #10b981; color: #fff; }
.wk-pp__count { position: absolute; left: 1.1rem; bottom: 1.1rem; z-index: 3; padding: 0.45rem 0.8rem; border-radius: 999px; background: rgba(15, 23, 42, 0.86); color: #94a3b8; font-size: 0.72rem; letter-spacing: 0.08em; }
.wk-pp__count b { color: #fff; }
.wk-pp__nav {
    position: absolute; bottom: 1rem; z-index: 3; display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: 50%;
    background: rgba(255, 255, 255, 0.92); border: 1px solid rgba(15, 23, 42, 0.08); color: #0f172a; cursor: pointer;
    box-shadow: 0 10px 24px -12px rgba(15, 23, 42, 0.45); transition: transform 0.5s var(--wk-ease-out), background 0.3s, color 0.3s;
}
.wk-pp__nav svg { width: 1.15rem; height: 1.15rem; }
.wk-pp__nav--prev { right: 4.25rem; }
.wk-pp__nav--prev svg { transform: rotate(180deg); }
.wk-pp__nav--next { right: 1rem; }
.wk-pp__nav:hover { background: #0f172a; color: #fff; transform: scale(1.06); }

.wk-pp__chip { z-index: 4; }
.wk-pp__chip--1 { right: -7%; left: auto; bottom: 24%; }
.wk-pp__chip--2 { left: -7%; right: auto; top: 20%; }
.wk-pp__chip .wk-pchip__card { max-width: 15rem; }
.wk-pp__chip .wk-pchip__text strong { font-size: 1.15rem; }
.wk-pp__chip .wk-pchip__text em { white-space: normal; }
.wk-pp__chip-ic { display: grid; place-items: center; width: 2.4rem; height: 2.4rem; border-radius: 0.8rem; background: color-mix(in srgb, var(--g) 22%, transparent); color: var(--wk-accent); flex: none; }
.wk-pp__chip-ic svg { width: 1.2rem; height: 1.2rem; }
.wk-pp__chip .wk-pchip__dot { background: var(--g); }

.wk-pp__thumbs { position: relative; z-index: 3; display: flex; justify-content: center; gap: 0.7rem; margin-top: clamp(1rem, 3vw, 2rem); overflow-x: auto; scrollbar-width: none; padding: 0.3rem; }
.wk-pp__thumbs::-webkit-scrollbar { display: none; }
.wk-pp__thumb {
    flex: none; width: 4.4rem; height: 4.4rem; padding: 0; border-radius: 1rem; overflow: hidden; background: #fff; cursor: pointer;
    border: 0; opacity: 0.55; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
    transition: opacity 0.4s, transform 0.5s var(--wk-ease-out), box-shadow 0.4s;
}
.wk-pp__thumb img { width: 100%; height: 100%; object-fit: cover; }
.wk-pp__thumb:hover { opacity: 0.9; transform: translateY(-3px); }
.wk-pp__thumb.is-active { opacity: 1; box-shadow: 0 0 0 2px #020617, 0 0 0 4px var(--g); }

/* info column */
.wk-pp__info { position: relative; z-index: 2; min-width: 0; }
.wk-pp__top { display: flex; flex-direction: column; align-items: flex-start; gap: 1.1rem; margin-bottom: 1.5rem; }
.wk-pp__crumbs { flex-wrap: wrap; row-gap: 0.35rem; line-height: 1.6; }
.wk-pp__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.wk-pp__gamme, .wk-pp__tag {
    display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0.95rem; border-radius: 999px;
    font-size: 0.7rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; transition: background 0.3s, border-color 0.3s, color 0.3s;
}
.wk-pp__gamme { background: color-mix(in srgb, var(--g) 20%, transparent); border: 1px solid color-mix(in srgb, var(--g) 50%, transparent); color: #fff; }
.wk-pp__gamme:hover { background: var(--g); }
.wk-pp__gdot { position: relative; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--g); box-shadow: 0 0 0 3px color-mix(in srgb, var(--g) 30%, transparent); }
.wk-pp__gamme:hover .wk-pp__gdot { background: #fff; }
.wk-pp__tag { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); color: #cbd5e1; }
.wk-pp__tag:hover { border-color: rgba(255, 255, 255, 0.3); color: #fff; }
.wk-pp__tag svg { width: 0.85rem; height: 0.85rem; color: var(--wk-accent); }
.wk-pp__title {
    margin: 0 0 1.4rem; font-weight: 900; font-size: clamp(2.3rem, 4.6vw, 4.1rem); line-height: 1; letter-spacing: -0.035em;
    color: #fff; text-wrap: balance; overflow-wrap: break-word; hyphens: auto;
}
.wk-pp__ids { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1rem; margin-bottom: 1.25rem; }
.wk-pp__sku {
    display: inline-flex; align-items: center; gap: 0.55rem; padding: 0.45rem 0.6rem 0.45rem 0.85rem; border-radius: 0.8rem; cursor: pointer;
    background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); color: #94a3b8; font-size: 0.72rem; font-weight: 700;
    transition: border-color 0.3s, background 0.3s;
}
.wk-pp__sku b { color: #fff; font-size: 0.78rem; letter-spacing: 0.04em; }
.wk-pp__sku svg { width: 0.9rem; height: 0.9rem; color: #64748b; transition: color 0.3s; }
.wk-pp__sku:hover { border-color: rgba(255, 255, 255, 0.28); }
.wk-pp__sku:hover svg { color: #fff; }
.wk-pp__sku.is-copied { border-color: #10b981; background: rgba(16, 185, 129, 0.12); }
.wk-pp__sku.is-copied svg { color: #34d399; }
.wk-pp__stock { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.8rem; font-weight: 700; color: #94a3b8; }
.wk-pp__stock i { position: relative; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: #f59e0b; }
.wk-pp__stock.is-in { color: #6ee7b7; }
.wk-pp__stock.is-in i { background: #10b981; }
.wk-pp__stock.is-in i::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: inherit; animation: wk-ping 2.2s cubic-bezier(0, 0, 0.2, 1) infinite; }
.wk-pp__desc { margin: 0; max-width: 38rem; font-size: clamp(1.02rem, 1.25vw, 1.15rem); line-height: 1.7; color: #94a3b8; }
.wk-pp__hl { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.wk-pp__hl li {
    display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.45rem 0.85rem 0.45rem 0.5rem; border-radius: 999px;
    background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.09); color: #e2e8f0; font-size: 0.8rem; font-weight: 600;
}
.wk-pp__hl li > span { display: grid; place-items: center; width: 1.25rem; height: 1.25rem; border-radius: 50%; background: color-mix(in srgb, var(--g) 30%, transparent); }
.wk-pp__hl svg { width: 0.7rem; height: 0.7rem; fill: none; stroke: #fff; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

/* buy box */
.wk-pp__buy {
    position: relative; overflow: hidden; display: grid; gap: 1.15rem; margin-top: 2rem; padding: 1.5rem;
    border-radius: 1.75rem; background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025));
    border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: 0 40px 80px -50px rgba(0, 0, 0, 0.9);
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.wk-pp__buy::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: linear-gradient(90deg, var(--g), var(--wk-accent), transparent); }
.wk-pp__price { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1rem; }
.wk-pp__plabel { font-size: 0.68rem; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; color: #64748b; }
.wk-pp__pval { display: inline-flex; align-items: center; gap: 0.55rem; font-size: 1.85rem; font-weight: 900; letter-spacing: -0.02em; color: #fff; }
.wk-pp__pval small { font-size: 0.75rem; font-weight: 800; color: #94a3b8; }
.wk-pp__pval del { opacity: 0.45; font-size: 0.6em; }
.wk-pp__pval ins { text-decoration: none; }
.wk-pp__pval--devis { font-size: 1.35rem; }
.wk-pp__pval--devis svg { width: 1.3rem; height: 1.3rem; color: var(--wk-accent); }
.wk-pp__cart { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 0; }
.wk-qty { display: inline-flex; align-items: center; height: 3.6rem; padding: 0.3rem; border-radius: 999px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.12); }
.wk-qty button { display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: 50%; color: #cbd5e1; cursor: pointer; transition: background 0.3s, color 0.3s; }
.wk-qty button:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
.wk-qty svg { width: 0.95rem; height: 0.95rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.wk-qty input { width: 2.6rem; padding: 0; border: 0; background: transparent; color: #fff; text-align: center; font-weight: 800; font-size: 1.05rem; -moz-appearance: textfield; appearance: textfield; }
.wk-qty input:focus { outline: none; box-shadow: none; }
.wk-qty input::-webkit-inner-spin-button, .wk-qty input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.wk-pp__add {
    position: relative; isolation: isolate; overflow: hidden; flex: 1 1 12rem; display: inline-flex; align-items: center; justify-content: center; gap: 0.7rem;
    min-height: 3.6rem; padding: 0 1.6rem; border-radius: 999px; border: 0; cursor: pointer;
    background: var(--wk-primary); color: #fff; font-weight: 800; font-size: 1rem; letter-spacing: -0.005em;
    box-shadow: 0 22px 44px -20px var(--wk-primary-glow, rgba(14, 165, 233, 0.6));
    transition: transform 0.6s var(--wk-ease-out), box-shadow 0.6s var(--wk-ease-out);
}
.wk-pp__add::before { content: ""; position: absolute; inset: -1px; z-index: -1; border-radius: inherit; background: var(--wk-secondary, #0284c7); transform: translate3d(0, 102%, 0); transition: transform 0.6s var(--wk-ease-out); }
.wk-pp__add::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, 0.38) 50%, transparent 70%); transform: translate3d(-120%, 0, 0); animation: wk-pp-sheen 5s ease-in-out 2.5s infinite; }
.wk-pp__add:hover { transform: translate3d(0, -2px, 0); color: #fff; }
.wk-pp__add:hover::before { transform: none; }
.wk-pp__add svg { width: 1.2rem; height: 1.2rem; }
.wk-pp__add.is-busy { pointer-events: none; opacity: 0.8; }
@keyframes wk-pp-sheen { 0%, 70% { transform: translate3d(-120%, 0, 0); } 100% { transform: translate3d(120%, 0, 0); } }
.wk-pp__wcform form.cart { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 0; }
.wk-pp__wcform .single_add_to_cart_button { min-height: 3.6rem; padding: 0 1.6rem; border-radius: 999px; background: var(--wk-primary); color: #fff; font-weight: 800; }
.wk-pp__wcform .variations { width: 100%; color: #e2e8f0; }
.wk-pp__wcform select { width: 100%; height: 3rem; border-radius: 0.9rem; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.14); color: #fff; padding: 0 1rem; }
.wk-pp__wcform .quantity input { height: 3.6rem; width: 5rem; border-radius: 999px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.14); color: #fff; text-align: center; }
.wk-pp__sub { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.wk-pp__fds, .wk-pp__call {
    display: inline-flex; align-items: center; gap: 0.6rem; min-height: 3rem; padding: 0 1.1rem; border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14); color: #e2e8f0; font-size: 0.85rem; font-weight: 700; transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.wk-pp__fds { flex: 1 1 auto; justify-content: space-between; }
.wk-pp__fds svg, .wk-pp__call svg { width: 1rem; height: 1rem; color: var(--wk-accent); }
.wk-pp__fds svg:last-child { transition: transform 0.5s var(--wk-ease-out); }
.wk-pp__fds:hover, .wk-pp__call:hover { border-color: rgba(255, 255, 255, 0.35); background: rgba(255, 255, 255, 0.05); color: #fff; }
.wk-pp__fds:hover svg:last-child { transform: translate3d(4px, 0, 0); }
.wk-pp__fds span { margin-right: auto; }
.wk-pp__call span { font-size: 0.8rem; }
.wk-pp__trust { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; margin: 0.25rem 0 0; padding: 1.1rem 0 0; list-style: none; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.wk-pp__trust li { display: flex; align-items: center; gap: 0.55rem; font-size: 0.74rem; font-weight: 600; line-height: 1.35; color: #94a3b8; }
.wk-pp__trust svg { width: 1.05rem; height: 1.05rem; color: var(--wk-accent); flex: none; }
@media (max-width: 1023px) {
    .wk-pp__grid { gap: 0; }
    .wk-pp__info { display: contents; }
    .wk-pp__top { order: 1; }
    .wk-pp__title { order: 2; }
    .wk-pp__media { order: 3; margin: 0.75rem 0 2.25rem; }
    .wk-pp__lede { order: 4; }
    .wk-pp__buy { order: 5; }
    .wk-pp__stage { max-width: 520px; }
}
@media (max-width: 639px) { .wk-pp__crumbs { display: none; } }
@media (max-width: 639px) {
    .wk-pp { padding-top: 7rem; }
    .wk-pp__title { font-size: clamp(2rem, 9vw, 2.6rem); }
    .wk-pp__buy { padding: 1.15rem; border-radius: 1.4rem; }
    .wk-pp__trust { grid-template-columns: minmax(0, 1fr); gap: 0.55rem; }
    .wk-pp__frame { inset: 4%; border-radius: 1.5rem; }
    .wk-pp__tool, .wk-pp__nav { width: 2.5rem; height: 2.5rem; }
    .wk-pp__nav--prev { right: 3.9rem; }
    .wk-pp__thumb { width: 3.8rem; height: 3.8rem; }
    .wk-qty { height: 3.4rem; }
    .wk-qty button { width: 2.7rem; height: 2.7rem; }
    .wk-pp__add { min-height: 3.4rem; }
}

/* ---------- 2. Section nav ---------- */
.wk-pnav { position: sticky; top: 6rem; z-index: 40; margin-top: -1.9rem; pointer-events: none; transition: transform 0.6s var(--wk-ease-out); }
.wk-pnav.is-stuck.is-up { transform: translate3d(0, -4.6rem, 0); }
.wk-pnav__bar { display: flex; align-items: center; justify-content: center; gap: 0.5rem; }
.wk-pnav__bar > * { pointer-events: auto; }
.wk-pnav__chips { min-width: 0; box-shadow: 0 24px 50px -24px rgba(15, 23, 42, 0.45); }
.wk-pnav__chips .wk-chip-btn { padding: 0.75rem 1.15rem; }
.wk-pnav__prod, .wk-pnav__cta {
    display: none; align-items: center; gap: 0.6rem; height: 3.35rem; border-radius: 999px; flex: none;
    box-shadow: 0 24px 50px -24px rgba(15, 23, 42, 0.45); animation: wk-pnav-in 0.6s var(--wk-ease-out) both;
}
.wk-pnav__prod { padding: 0 1.1rem 0 0.35rem; max-width: 17rem; background: rgba(255, 255, 255, 0.96); border: 1px solid var(--wk-line); }
.wk-pnav__prod img { width: 2.65rem; height: 2.65rem; border-radius: 50%; object-fit: cover; background: #fff; border: 1px solid var(--wk-line); }
.wk-pnav__prod span { min-width: 0; }
.wk-pnav__prod b { display: block; font-size: 0.78rem; font-weight: 800; color: var(--wk-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wk-pnav__prod em { display: block; font-style: normal; font-size: 0.68rem; font-weight: 600; color: var(--wk-muted); }
.wk-pnav__cta { padding: 0 1.3rem; border: 0; cursor: pointer; background: var(--wk-primary); color: #fff; font-size: 0.85rem; font-weight: 800; transition: background 0.3s; }
.wk-pnav__cta:hover { background: var(--wk-secondary, #0284c7); }
.wk-pnav__cta svg { width: 1.05rem; height: 1.05rem; }
@media (min-width: 1280px) { .wk-pnav.is-stuck .wk-pnav__cta { display: inline-flex; } }
@media (min-width: 1536px) { .wk-pnav.is-stuck .wk-pnav__prod { display: inline-flex; } }
.wk-pnav__chips.is-scroll { -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 1.75rem, #000 calc(100% - 1.75rem), transparent 100%); mask-image: linear-gradient(90deg, transparent 0, #000 1.75rem, #000 calc(100% - 1.75rem), transparent 100%); }
.wk-pnav__chips.is-scroll.at-start { -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 1.75rem), transparent 100%); mask-image: linear-gradient(90deg, #000 calc(100% - 1.75rem), transparent 100%); }
.wk-pnav__chips.is-scroll.at-end { -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 1.75rem); mask-image: linear-gradient(90deg, transparent 0, #000 1.75rem); }
@keyframes wk-pnav-in { from { opacity: 0; transform: scale(0.9); } }
@media (max-width: 1023px) {
    .wk-pnav { top: 5rem; }
    .wk-pnav.is-stuck.is-up { transform: translate3d(0, -4rem, 0); }
    .wk-pnav__bar { justify-content: flex-start; }
    .wk-pnav__chips { max-width: 100%; }
}
@media (max-width: 639px) {
    .wk-pnav { margin-top: -1.6rem; }
    .wk-pnav__chips .wk-chip-btn { padding: 0.65rem 0.95rem; font-size: 0.8rem; }
}

/* ---------- 3. Sections ---------- */
.wk-pbody { position: relative; }
.wk-psec { position: relative; padding: clamp(4.5rem, 8vw, 7rem) 0; scroll-margin-top: 6rem; }
.wk-pbody > .wk-psec:first-child { padding-top: clamp(5rem, 8vw, 7.5rem); }
.wk-psec--white { background: #fff; --card: var(--wk-paper); }
.wk-psec--paper { background: var(--wk-paper); --card: #fff; }
.wk-psec--dark { background: #020617; color: #fff; isolation: isolate; overflow: hidden; --card: rgba(255, 255, 255, 0.04); }
.wk-psec__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.wk-psec__bg .wk-ph__grid { -webkit-mask-image: radial-gradient(ellipse 60% 70% at 85% 20%, #000 0%, transparent 74%); mask-image: radial-gradient(ellipse 60% 70% at 85% 20%, #000 0%, transparent 74%); }
.wk-psec__glow { position: absolute; width: 60vw; height: 60vw; max-width: 900px; max-height: 900px; right: -18vw; top: -30vw; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--g) 30%, transparent) 0%, transparent 65%); }
.wk-psec__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem 3rem; margin-bottom: clamp(2.5rem, 4vw, 3.5rem); }
.wk-psec__ht { max-width: 46rem; }
.wk-psec__n { font-family: "Space Mono", ui-monospace, monospace; letter-spacing: 0.05em; opacity: 0.55; }
.wk-psec .wk-eyebrow { color: var(--g); }
.wk-psec--dark .wk-eyebrow { color: var(--wk-accent); }
.wk-psec--dark .wk-h2 { color: #fff; }
.wk-psec--dark .wk-lead { color: #94a3b8; }
.wk-psec .wk-h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }

/* split layout (sticky head + content) */
.wk-split { display: grid; gap: 1rem 3rem; }
@media (min-width: 1024px) {
    .wk-split { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.4fr); gap: clamp(3rem, 6vw, 6rem); align-items: start; }
    .wk-split__head { position: sticky; top: 11rem; }
    .wk-split__head .wk-psec__head { margin-bottom: 0; }
}

/* overview */
.wk-ov { display: grid; gap: 3rem; }
@media (min-width: 1024px) {
    .wk-ov { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: clamp(3rem, 6vw, 6rem); align-items: start; }
    .wk-ov__side { position: sticky; top: 11rem; }
}
.wk-prose { position: relative; color: #334155; font-size: 1.05rem; line-height: 1.8; }
.wk-prose__in > :first-child { margin-top: 0; }
.wk-prose h2, .wk-prose h3, .wk-prose h4 { color: var(--wk-ink); font-weight: 800; letter-spacing: -0.02em; line-height: 1.25; margin: 2em 0 0.7em; }
.wk-prose h2 { font-size: 1.45rem; }
.wk-prose h3 { font-size: 1.2rem; }
.wk-prose h4 { font-size: 1.05rem; }
.wk-prose p { margin: 0 0 1.15em; }
.wk-prose strong { color: var(--wk-ink); font-weight: 700; }
.wk-prose a { color: var(--wk-primary); text-decoration: underline; text-underline-offset: 3px; }
.wk-prose ul, .wk-prose ol { margin: 0 0 1.3em; padding: 0; list-style: none; display: grid; gap: 0.55rem; }
.wk-prose ul li { position: relative; padding-left: 1.6rem; }
.wk-prose ul li::before { content: ""; position: absolute; left: 0.2rem; top: 0.72em; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--g); box-shadow: 0 0 0 4px color-mix(in srgb, var(--g) 16%, transparent); }
.wk-prose ol { counter-reset: wk-ol; }
.wk-prose ol li { position: relative; padding-left: 2.2rem; counter-increment: wk-ol; }
.wk-prose ol li::before { content: counter(wk-ol, decimal-leading-zero); position: absolute; left: 0; top: 0.1em; font-family: "Space Mono", monospace; font-size: 0.8rem; font-weight: 700; color: var(--g); }
.wk-prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.3em; font-size: 0.95rem; }
.wk-prose th, .wk-prose td { padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--wk-line); text-align: left; }
.wk-prose img { border-radius: 1.25rem; }
.wk-prose.is-clamped .wk-prose__in { max-height: 34rem; overflow: hidden; -webkit-mask-image: linear-gradient(#000 65%, transparent); mask-image: linear-gradient(#000 65%, transparent); }
.wk-prose__more { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1.25rem; padding: 0.75rem 1.25rem; border-radius: 999px; border: 1px solid var(--wk-line); background: #fff; color: var(--wk-ink); font-size: 0.85rem; font-weight: 800; cursor: pointer; transition: border-color 0.3s, background 0.3s, color 0.3s; }
.wk-prose__more:hover { background: var(--wk-ink); border-color: var(--wk-ink); color: #fff; }
.wk-prose__more svg { width: 1rem; height: 1rem; transform: rotate(90deg); transition: transform 0.5s var(--wk-ease-out); }
.wk-prose:not(.is-clamped) .wk-prose__more svg { transform: rotate(-90deg); }

.wk-glance { position: relative; overflow: hidden; isolation: isolate; padding: 1.75rem; border-radius: 1.75rem; background: #020617; color: #fff; box-shadow: 0 50px 90px -50px rgba(2, 6, 23, 0.7); }
.wk-glance::before { content: ""; position: absolute; z-index: -1; width: 22rem; height: 22rem; right: -9rem; top: -11rem; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--g) 45%, transparent), transparent 65%); }
.wk-glance__head { display: flex; align-items: center; gap: 0.9rem; padding-bottom: 1.25rem; margin-bottom: 0.5rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.wk-glance__ic { display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: 1rem; background: var(--g); color: #fff; flex: none; }
.wk-glance__ic svg { width: 1.35rem; height: 1.35rem; }
.wk-glance__head b { display: block; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.2em; text-transform: uppercase; color: var(--wk-accent); }
.wk-glance__head em { display: block; font-style: normal; font-size: 1.05rem; font-weight: 800; line-height: 1.25; margin-top: 0.2rem; }
.wk-glance__dl { margin: 0; }
.wk-glance__dl > div { display: flex; justify-content: space-between; gap: 1rem; padding: 0.8rem 0; border-bottom: 1px dashed rgba(255, 255, 255, 0.1); font-size: 0.86rem; }
.wk-glance__dl dt { color: #94a3b8; font-weight: 600; }
.wk-glance__dl dd { margin: 0; font-weight: 700; text-align: right; }
.wk-glance__hl { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 1.25rem 0 0; padding: 0; list-style: none; }
.wk-glance__hl li { padding: 0.35rem 0.7rem; border-radius: 999px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1); font-size: 0.74rem; font-weight: 600; color: #e2e8f0; }
.wk-glance__go { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1.5rem; padding: 0.95rem 1.2rem; border-radius: 1rem; background: rgba(255, 255, 255, 0.06); font-size: 0.86rem; font-weight: 800; transition: background 0.3s; }
.wk-glance__go svg { width: 1rem; height: 1rem; transition: transform 0.5s var(--wk-ease-out); }
.wk-glance__go:hover { background: var(--g); }
.wk-glance__go:hover svg { transform: translate3d(4px, 0, 0); }

/* benefits */
.wk-bens { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); }
.wk-ben {
    --c: var(--g); position: relative; overflow: hidden; padding: 2rem 1.75rem 2.25rem; border-radius: 1.75rem;
    background: var(--card); border: 1px solid var(--wk-line);
    transition: transform 0.7s var(--wk-ease-out), box-shadow 0.7s var(--wk-ease-out), border-color 0.5s;
}
.wk-ben:hover { transform: translate3d(0, -6px, 0); border-color: color-mix(in srgb, var(--g) 35%, var(--wk-line)); box-shadow: 0 40px 70px -40px rgba(15, 23, 42, 0.35); }
.wk-ben__n { position: absolute; top: 1.6rem; right: 1.7rem; font-size: 0.72rem; color: #94a3b8; letter-spacing: 0.1em; }
.wk-ben__ic { display: grid; place-items: center; width: 3.5rem; height: 3.5rem; margin-bottom: 1.6rem; border-radius: 1.1rem; background: color-mix(in srgb, var(--g) 12%, #fff); color: var(--g); transition: background 0.5s, color 0.5s, transform 0.7s var(--wk-ease-out); }
.wk-ben__ic svg { width: 1.6rem; height: 1.6rem; }
.wk-ben:hover .wk-ben__ic { background: var(--g); color: #fff; transform: rotate(-6deg) scale(1.05); }
.wk-ben h3 { margin: 0 0 0.6rem; font-size: 1.12rem; font-weight: 800; line-height: 1.3; letter-spacing: -0.01em; color: var(--wk-ink); }
.wk-ben p { margin: 0; font-size: 0.94rem; line-height: 1.65; color: var(--wk-muted); }
.wk-ben__bar { position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--g), var(--wk-accent)); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.9s var(--wk-ease-out); }
.wk-ben:hover .wk-ben__bar { transform: scaleX(1); }

/* specs */
.wk-specs { display: grid; gap: 2rem; }
@media (min-width: 1024px) {
    .wk-specs--ph { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(2.5rem, 5vw, 5rem); align-items: start; }
    .wk-specs:not(.wk-specs--ph) .wk-specs__dl { columns: 2; column-gap: 3rem; }
}
.wk-specs__dl { margin: 0; border-top: 1px solid rgba(255, 255, 255, 0.12); }
.wk-specs__row { break-inside: avoid; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 1.5rem; padding: 1.15rem 0.35rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1); transition: background 0.4s, padding 0.5s var(--wk-ease-out); }
.wk-specs__row:hover { background: rgba(255, 255, 255, 0.04); padding-inline: 1rem; }
.wk-specs__row dt { display: flex; align-items: baseline; gap: 0.9rem; font-size: 0.9rem; font-weight: 600; color: #94a3b8; }
.wk-specs__row dt span { font-size: 0.68rem; color: var(--wk-accent); }
.wk-specs__row dd { margin: 0; text-align: right; font-weight: 700; color: #fff; }
.wk-ph-g { position: relative; margin: 0; padding: 1.75rem 1.75rem 1.5rem; border-radius: 1.75rem; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.1); color: #fff; }
@media (min-width: 1024px) { .wk-ph-g { position: sticky; top: 10rem; } }
.wk-ph-g figcaption { display: flex; align-items: center; gap: 0.6rem; font-size: 0.7rem; font-weight: 800; letter-spacing: 0.2em; text-transform: uppercase; color: var(--wk-accent); }
.wk-ph-g figcaption svg { width: 1rem; height: 1rem; }
.wk-ph-g > svg { display: block; width: 100%; height: auto; margin-top: 1.25rem; overflow: visible; }
.wk-ph-g__seg { fill: none; stroke-width: 22; transition: opacity 0.6s calc(var(--i) * 0.05s), transform 0.8s var(--wk-ease-out) calc(var(--i) * 0.05s); transform-box: fill-box; transform-origin: 50% 50%; }
.wk-ph-g__tick { fill: #64748b; font-size: 11px; font-weight: 700; text-anchor: middle; font-family: "Space Mono", monospace; }
.wk-ph-g__mark { stroke: #020617; stroke-width: 3; transition: opacity 0.5s var(--d, 1.2s), transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) var(--d, 1.2s); }
.wk-ph-g__needle { color: #fff; transform-box: view-box; transform-origin: 160px 160px; transform: rotate(var(--a)); transition: transform 2.2s cubic-bezier(0.2, 0.9, 0.25, 1.12) 0.35s; filter: drop-shadow(0 6px 10px rgba(0, 0, 0, 0.5)); }
.wk-js-prod .wk-ph-g:not(.is-in) .wk-ph-g__needle { transform: rotate(0deg); }
.wk-js-prod .wk-ph-g:not(.is-in) .wk-ph-g__seg { opacity: 0; transform: scale(0.85); }
.wk-js-prod .wk-ph-g:not(.is-in) .wk-ph-g__mark { opacity: 0; transform: scale(0); }
.wk-ph-g__val { margin-top: -0.25rem; text-align: center; }
.wk-ph-g__val b { display: block; font-size: 3rem; font-weight: 900; line-height: 1; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.wk-ph-g__val span { display: block; margin-top: 0.35rem; font-size: 0.78rem; font-weight: 700; color: #94a3b8; }
.wk-ph-g__scale { display: flex; justify-content: space-between; margin: 1rem 0 0; font-size: 0.66rem; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; color: #64748b; }
.wk-ph-g__list { display: grid; gap: 0.5rem; margin: 1.25rem 0 0; padding: 1.1rem 0 0; list-style: none; border-top: 1px solid rgba(255, 255, 255, 0.1); }
.wk-ph-g__list li { display: flex; align-items: center; gap: 0.7rem; font-size: 0.84rem; }
.wk-ph-g__list i { width: 0.65rem; height: 0.65rem; border-radius: 50%; flex: none; }
.wk-ph-g__list span { color: #94a3b8; font-weight: 600; }
.wk-ph-g__list b { margin-left: auto; font-weight: 800; }

/* usage steps */
.wk-steps { position: relative; display: grid; gap: 1.1rem; margin: 0; padding: 0; list-style: none; }
.wk-steps__rail { position: absolute; left: 1.75rem; top: 1.75rem; bottom: 1.75rem; width: 2px; margin-left: -1px; border-radius: 2px; background: var(--wk-line); overflow: hidden; }
.wk-steps__fill { position: absolute; inset: 0; background: linear-gradient(var(--g), var(--wk-accent)); transform-origin: 50% 0; transform: scaleY(var(--p, 1)); }
.wk-step { position: relative; display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); gap: 1.25rem; align-items: start; }
.wk-step__dot {
    position: relative; z-index: 1; display: grid; place-items: center; width: 3.5rem; height: 3.5rem; border-radius: 50%;
    background: #fff; border: 2px solid var(--wk-line); color: var(--wk-ink); font-family: "Space Mono", monospace; font-size: 0.85rem; font-weight: 700;
    transition: background 0.5s, color 0.5s, border-color 0.5s, box-shadow 0.6s var(--wk-ease-out);
}
.wk-step__dot svg { width: 1.3rem; height: 1.3rem; }
.wk-step.is-on .wk-step__dot { background: var(--g); border-color: var(--g); color: #fff; box-shadow: 0 0 0 8px color-mix(in srgb, var(--g) 16%, transparent); }
.wk-step__card { padding: 1.4rem 1.6rem; border-radius: 1.5rem; background: var(--card); border: 1px solid var(--wk-line); transition: border-color 0.5s, box-shadow 0.6s; }
.wk-step.is-on .wk-step__card { border-color: color-mix(in srgb, var(--g) 30%, var(--wk-line)); box-shadow: 0 30px 60px -45px rgba(15, 23, 42, 0.4); }
.wk-step__k { display: block; margin-bottom: 0.45rem; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--g); }
.wk-step h3 { margin: 0 0 0.45rem; font-size: 1.1rem; font-weight: 800; color: var(--wk-ink); }
.wk-step p { margin: 0; font-size: 0.95rem; line-height: 1.7; color: #475569; }
.wk-step--warn .wk-step__dot { background: #fffbeb; border-color: #fcd34d; color: #b45309; }
.wk-step--warn.is-on .wk-step__dot { background: #f59e0b; border-color: #f59e0b; color: #fff; box-shadow: 0 0 0 8px rgba(245, 158, 11, 0.16); }
.wk-step--warn .wk-step__card { background: #fffbeb; border-color: #fde68a; }
.wk-step--warn h3 { color: #92400e; }
.wk-step--warn p { color: #78350f; }

/* composition */
.wk-flask { display: block; width: clamp(8rem, 14vw, 11rem); margin-top: 2rem; color: var(--g); }
.wk-flask__liquid { fill: color-mix(in srgb, var(--g) 75%, #fff); }
.wk-flask__wave { animation: wk-pp-wave 5s linear infinite; }
.wk-flask__wave--b { opacity: 0.45; animation-duration: 7s; animation-direction: reverse; }
.wk-flask__b { fill: #fff; opacity: 0; animation: wk-pp-bub 3.2s ease-in var(--d, 0s) infinite; }
@keyframes wk-pp-wave { to { transform: translate3d(200px, 0, 0); } }
@keyframes wk-pp-bub { 0% { transform: translate3d(0, 0, 0) scale(0.6); opacity: 0; } 20% { opacity: 0.85; } 100% { transform: translate3d(0, -78px, 0) scale(1); opacity: 0; } }
@media (max-width: 1023px) { .wk-flask { display: none; } }
.wk-ledger { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--wk-line); }
.wk-ledger__row { display: grid; grid-template-columns: 2.25rem minmax(0, 1fr) auto; gap: 1rem; align-items: center; padding: 1.2rem 0.5rem; border-bottom: 1px solid var(--wk-line); transition: background 0.4s, padding 0.5s var(--wk-ease-out); }
.wk-ledger__row:hover { background: color-mix(in srgb, var(--g) 6%, transparent); padding-inline: 1rem; }
.wk-ledger__n { font-size: 0.72rem; color: var(--g); }
.wk-ledger__t b { display: block; font-size: 1rem; font-weight: 800; line-height: 1.4; color: var(--wk-ink); overflow-wrap: anywhere; }
.wk-ledger__t em { display: inline-block; margin-top: 0.4rem; padding: 0.28rem 0.7rem; border-radius: 999px; font-style: normal; font-size: 0.76rem; font-weight: 700; color: color-mix(in srgb, var(--g) 70%, #0f172a); background: color-mix(in srgb, var(--g) 11%, transparent); }
.wk-ledger__pct { display: flex; align-items: center; gap: 0.6rem; width: 9rem; }
.wk-ledger__pct i { position: relative; flex: 1; height: 6px; border-radius: 6px; background: var(--wk-line); overflow: hidden; }
.wk-ledger__pct i::after { content: ""; position: absolute; inset: 0; width: var(--p); border-radius: inherit; background: var(--g); }
.wk-ledger__pct b { font-size: 0.78rem; color: var(--wk-ink); }

/* uses */
.wk-uses { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); }
.wk-use { --c: var(--g); position: relative; overflow: hidden; padding: 1.75rem; border-radius: 1.75rem; background: var(--card); border: 1px solid var(--wk-line); transition: transform 0.7s var(--wk-ease-out), box-shadow 0.7s var(--wk-ease-out), border-color 0.5s; }
.wk-use:hover { transform: translate3d(0, -6px, 0); border-color: color-mix(in srgb, var(--g) 35%, var(--wk-line)); box-shadow: 0 40px 70px -40px rgba(15, 23, 42, 0.3); }
.wk-use__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.4rem; }
.wk-use__ic { display: grid; place-items: center; width: 3.25rem; height: 3.25rem; border-radius: 1rem; background: var(--wk-ink); color: #fff; transition: background 0.5s, transform 0.7s var(--wk-ease-out); }
.wk-use__ic svg { width: 1.45rem; height: 1.45rem; }
.wk-use:hover .wk-use__ic { background: var(--g); transform: rotate(-6deg); }
.wk-use__n { font-size: 0.72rem; color: #94a3b8; letter-spacing: 0.1em; }
.wk-use h3 { margin: 0 0 1rem; font-size: 1.2rem; font-weight: 800; letter-spacing: -0.01em; color: var(--wk-ink); }
.wk-use ul { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0; padding: 0; list-style: none; }
.wk-use li { padding: 0.35rem 0.75rem; border-radius: 999px; background: #fff; border: 1px solid var(--wk-line); font-size: 0.8rem; font-weight: 600; color: #475569; }
.wk-psec--paper .wk-use li { background: var(--wk-paper); }

/* certs */
.wk-certs { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
.wk-cert { display: flex; align-items: center; gap: 1.25rem; padding: 1.35rem 1.5rem; border-radius: 1.5rem; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.1); transition: background 0.5s, border-color 0.5s, transform 0.7s var(--wk-ease-out); }
.wk-cert:hover { transform: translate3d(0, -4px, 0); background: rgba(255, 255, 255, 0.07); border-color: color-mix(in srgb, var(--g) 55%, transparent); }
.wk-cert__seal { width: 4.4rem; height: 4.4rem; color: var(--g); }
.wk-cert__seal .wk-l-spin { transform-origin: 60px 60px; }
.wk-cert h3 { margin: 0 0 0.35rem; font-size: 1rem; font-weight: 700; letter-spacing: 0.02em; color: #fff; }
.wk-cert p { margin: 0; font-size: 0.85rem; line-height: 1.55; color: #94a3b8; }

/* enviro */
.wk-envs { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); }
.wk-env { position: relative; overflow: hidden; isolation: isolate; padding: 2rem 1.75rem; border-radius: 1.75rem; background: linear-gradient(160deg, #ecfdf5 0%, var(--card) 70%); border: 1px solid #d1fae5; transition: transform 0.7s var(--wk-ease-out), box-shadow 0.7s var(--wk-ease-out); }
.wk-env:hover { transform: translate3d(0, -6px, 0); box-shadow: 0 40px 70px -40px rgba(6, 95, 70, 0.35); }
.wk-env__leaf { position: absolute; z-index: -1; right: -1.5rem; bottom: -1.5rem; width: 9rem; height: 9rem; color: #10b981; transition: transform 1.2s var(--wk-ease-out); }
.wk-env:hover .wk-env__leaf { transform: rotate(-10deg) scale(1.1); }
.wk-env__ic { display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: 50%; background: #10b981; color: #fff; }
.wk-env__ic svg { width: 1.35rem; height: 1.35rem; }
.wk-env__v { display: block; margin: 1.3rem 0 0.25rem; font-size: 1.85rem; font-weight: 900; letter-spacing: -0.03em; line-height: 1.1; color: #047857; }
.wk-env h3 { margin: 0 0 0.5rem; font-size: 1.05rem; font-weight: 800; color: var(--wk-ink); }
.wk-env p { margin: 0; font-size: 0.92rem; line-height: 1.6; color: #475569; }

/* videos */
.wk-vids { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
.wk-vid { margin: 0; }
.wk-vid__play { position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; padding: 0; border: 0; border-radius: 1.5rem; overflow: hidden; background: #020617; cursor: pointer; }
.wk-vid__play img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; transition: transform 1s var(--wk-ease-out), opacity 0.5s; }
.wk-vid__play:hover img { transform: scale(1.05); opacity: 1; }
.wk-vid__btn { position: absolute; left: 50%; top: 50%; display: grid; place-items: center; width: 4.6rem; height: 4.6rem; margin: -2.3rem 0 0 -2.3rem; border-radius: 50%; background: #fff; color: var(--g); box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.18); transition: transform 0.6s var(--wk-ease-out); }
.wk-vid__btn svg { width: 1.6rem; height: 1.6rem; margin-left: 0.2rem; fill: currentColor; }
.wk-vid__play:hover .wk-vid__btn { transform: scale(1.1); }
.wk-vid__play iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.wk-vid figcaption { margin-top: 0.9rem; font-weight: 800; color: var(--wk-ink); }

/* documents */
.wk-pdocs { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr)); }
.wk-pdoc {
    display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-areas: "s t" "s d"; gap: 0.5rem 1.25rem; align-items: center;
    padding: 1.25rem 1.4rem 1.25rem 1.25rem; border-radius: 1.5rem; background: var(--card); border: 1px solid var(--wk-line);
    transition: transform 0.7s var(--wk-ease-out), box-shadow 0.7s var(--wk-ease-out), border-color 0.5s;
}
.wk-pdoc:hover { transform: translate3d(0, -4px, 0); border-color: color-mix(in srgb, var(--g) 35%, var(--wk-line)); box-shadow: 0 30px 60px -40px rgba(15, 23, 42, 0.35); }
.wk-pdoc__sheet { grid-area: s; position: relative; display: grid; place-items: center; width: 4.2rem; height: 5.25rem; color: var(--g); filter: drop-shadow(0 14px 18px rgba(15, 23, 42, 0.16)); transition: transform 0.7s var(--wk-ease-out); }
.wk-pdoc__sheet svg { width: 100%; height: 100%; }
.wk-pdoc__sheet.has-img img { width: 100%; height: 100%; object-fit: cover; border-radius: 0.6rem; background: #fff; }
.wk-pdoc__sheet em { position: absolute; left: -0.4rem; bottom: 0.5rem; padding: 0.2rem 0.45rem; border-radius: 0.4rem; background: var(--g); color: #fff; font-style: normal; font-family: "Space Mono", monospace; font-size: 0.6rem; font-weight: 700; }
.wk-pdoc:hover .wk-pdoc__sheet { transform: rotate(-6deg) translate3d(0, -4px, 0); }
.wk-pdoc__t { grid-area: t; min-width: 0; }
.wk-pdoc__t small { display: block; font-size: 0.66rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--wk-muted); }
.wk-pdoc__t b { display: block; margin-top: 0.25rem; font-size: 1.02rem; font-weight: 800; line-height: 1.3; color: var(--wk-ink); }
.wk-pdoc__dl { grid-area: d; display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.84rem; font-weight: 800; color: var(--wk-primary); }
.wk-pdoc__dl svg { width: 1rem; height: 1rem; transition: transform 0.5s var(--wk-ease-out); }
.wk-pdoc:hover .wk-pdoc__dl svg { transform: translate3d(0, 3px, 0); }
.wk-pdoc--fds { background: #020617; border-color: #020617; }
.wk-pdoc--fds .wk-pdoc__t b { color: #fff; }
.wk-pdoc--fds .wk-pdoc__t small { color: #94a3b8; letter-spacing: 0.04em; text-transform: none; font-weight: 600; font-size: 0.78rem; }
.wk-pdoc--fds .wk-pdoc__t { display: flex; flex-direction: column-reverse; }
.wk-pdoc--fds .wk-pdoc__dl { color: var(--wk-accent); }
.wk-preq { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem 2rem; padding: clamp(1.5rem, 3vw, 2.25rem); border-radius: 1.75rem; background: var(--card); border: 1px dashed color-mix(in srgb, var(--g) 45%, var(--wk-line)); }
.wk-preq__ic { width: 4.5rem; height: 4.5rem; color: var(--g); flex: none; }
.wk-preq__ic svg { width: 100%; height: 100%; }
.wk-preq__t { flex: 1 1 18rem; }
.wk-preq h3 { margin: 0 0 0.4rem; font-size: 1.25rem; font-weight: 800; color: var(--wk-ink); }
.wk-preq p { margin: 0; color: var(--wk-muted); line-height: 1.65; }

/* related */
@media (min-width: 1024px) { body ul.products.wk-shop-grid.wk-prel { --cols: 4; } }

/* section draw-ins */
.wk-js-prod .wk-psec:not(.is-in) .wk-draw { stroke-dashoffset: 1; }
.wk-psec .wk-draw[pathLength] { stroke-dasharray: 1 1; transition: stroke-dashoffset 1.6s var(--wk-ease-inout) 0.2s; }

/* ---------- 4. Mobile buy bar ---------- */
.wk-pbar {
    position: fixed; left: 0.75rem; right: 0.75rem; bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px)); z-index: 60;
    display: flex; align-items: center; gap: 0.7rem; padding: 0.45rem 0.45rem 0.45rem 0.5rem; border-radius: 1.25rem;
    background: rgba(2, 6, 23, 0.94); border: 1px solid rgba(255, 255, 255, 0.1); color: #fff;
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: 0 24px 50px -20px rgba(0, 0, 0, 0.7);
    transform: translate3d(0, 150%, 0); transition: transform 0.6s var(--wk-ease-out); pointer-events: none;
}
.wk-pbar.is-on { transform: none; pointer-events: auto; }
.wk-pbar img { width: 2.75rem; height: 2.75rem; border-radius: 0.8rem; background: #fff; object-fit: cover; flex: none; }
.wk-pbar__t { flex: 1; min-width: 0; }
.wk-pbar__t b { display: block; font-size: 0.82rem; font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wk-pbar__t em { display: block; font-style: normal; font-size: 0.7rem; color: #94a3b8; }
.wk-pbar__btn { display: inline-flex; align-items: center; gap: 0.5rem; height: 2.9rem; padding: 0 1rem; border: 0; border-radius: 0.9rem; background: var(--wk-primary); color: #fff; font-size: 0.82rem; font-weight: 800; white-space: nowrap; cursor: pointer; flex: none; }
.wk-pbar__btn svg { width: 1.05rem; height: 1.05rem; }
@media (min-width: 1024px) { .wk-pbar { display: none; } }

/* ---------- 5. Lightbox ---------- */
.wk-plb { position: fixed; inset: 0; z-index: 100000; display: grid; place-items: center; padding: 4.5rem 1rem; background: rgba(2, 6, 23, 0.94); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); opacity: 0; transition: opacity 0.4s; }
.wk-plb[hidden] { display: none; }
.wk-plb.is-open { opacity: 1; }
.wk-plb__img { max-width: min(92vw, 1100px); max-height: 84vh; object-fit: contain; border-radius: 1.25rem; background: #fff; transform: scale(0.95); transition: transform 0.6s var(--wk-ease-out), opacity 0.3s; }
.wk-plb.is-open .wk-plb__img { transform: none; }
.wk-plb__x, .wk-plb__nav { position: absolute; display: grid; place-items: center; width: 3rem; height: 3rem; border: 0; border-radius: 50%; background: rgba(255, 255, 255, 0.1); color: #fff; cursor: pointer; transition: background 0.3s; }
.wk-plb__x:hover, .wk-plb__nav:hover { background: rgba(255, 255, 255, 0.22); }
.wk-plb__x { top: 1.25rem; right: 1.25rem; }
.wk-plb__x svg { width: 1.3rem; height: 1.3rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.wk-plb__nav { top: 50%; margin-top: -1.5rem; }
.wk-plb__nav svg { width: 1.3rem; height: 1.3rem; }
.wk-plb__nav--prev { left: 1.25rem; }
.wk-plb__nav--prev svg { transform: rotate(180deg); }
.wk-plb__nav--next { right: 1.25rem; }

@media (prefers-reduced-motion: reduce) {
    .wk-prod *, .wk-prod *::before, .wk-prod *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
@media (max-width: 1023px) {
    body.wk-pbar-on #scroll-top-btn { bottom: 6rem; }
}