/* =========================================================================
   Single product (single-product) — loaded only on product pages
   ========================================================================= */

/* Hero */
.pdp-hero { position: relative; background: linear-gradient(180deg, var(--white) 0%, var(--paper) 100%); border-bottom: 1px solid var(--mist); padding-block: 24px 56px; }
.pdp-hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(28px, 4vw, 64px); margin-top: 22px; align-items: start; }
@media (max-width: 960px) { .pdp-hero__grid { grid-template-columns: 1fr; } }

/* Gallery */
.gal { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 12px; }
@media (max-width: 960px) { .gal { position: static; } }
.gal__stage { position: relative; aspect-ratio: 1 / 1; border-radius: var(--r-lg); overflow: hidden; background: radial-gradient(52% 50% at 50% 56%, var(--pc-glow), transparent 72%), var(--white); border: 1px solid var(--mist); }
.gal__stage::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 1px 1px, rgba(43,49,52,.10) 1px, transparent 1.4px); background-size: 24px 24px; -webkit-mask: radial-gradient(closest-side, transparent 40%, #000); mask: radial-gradient(closest-side, transparent 40%, #000); }
.gal__stage img { position: absolute; inset: 9% 14%; width: 72%; height: 82%; object-fit: contain; filter: drop-shadow(0 30px 34px rgba(31, 36, 38, .2)); transition: opacity 160ms, transform var(--d-slow) var(--ease-out); }
.gal__stage.is-photo img { inset: 0; width: 100%; height: 100%; object-fit: contain; filter: none; z-index: 1; }
/* Photos are shown whole; the space around a landscape photo is filled with a soft, blurred copy of it */
.gal__stage::after { content: ""; position: absolute; inset: -40px; background: var(--gal-bg, none) center / cover no-repeat; filter: blur(28px) saturate(1.1) brightness(.92); opacity: 0; transition: opacity 200ms; }
.gal__stage.is-photo::after { opacity: 1; }
.gal__stage.is-photo::before { display: none; }
.gal__stage.is-swap img { opacity: 0; transform: scale(.98); }
.gal__badge { position: absolute; top: 16px; left: 16px; z-index: 2; }
.gal__thumbs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.gal__t { aspect-ratio: 1; border-radius: var(--r-sm); background: var(--white); border: 1.5px solid var(--mist); overflow: hidden; display: grid; place-items: center; padding: 6px; transition: border-color var(--d-fast); }
.gal__t img { width: 100%; height: 100%; object-fit: contain; }
.gal__t[data-photo] { padding: 0; }
.gal__t[data-photo] img { object-fit: cover; }
.gal__t.is-on { border-color: var(--charcoal); }
.gal__t:hover { border-color: var(--slate-2); }

/* Buy box */
.pbox { display: grid; gap: 24px; }
.pbox__top { display: grid; gap: 12px; }
.pbox h1 { font-size: clamp(2rem, 1.5rem + 2vw, 3.1rem); letter-spacing: -.035em; line-height: 1.02; }
.pbox__model { display: flex; align-items: center; gap: 10px; font-family: var(--f-mono); font-size: .85rem; color: var(--charcoal); flex-wrap: wrap; }
.pbox__model > span { font-family: var(--f-body); font-size: .75rem; font-weight: 600; color: var(--slate); text-transform: uppercase; letter-spacing: .08em; }
.copy { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; color: var(--slate); transition: background var(--d-fast), color var(--d-fast); }
.copy:hover { background: var(--paper-2); color: var(--charcoal); }
.copy .i { width: 16px; height: 16px; }
.copy.is-done { color: var(--volt-ink); background: var(--p-mob-tint); }
.pbox__desc { color: var(--slate); font-size: 1.02rem; max-width: 52ch; }

/* Model switcher (range) */
.range { display: grid; gap: 10px; }
.range__head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.range__name { font-family: var(--f-mono); font-size: .7rem; color: var(--slate); }
.range__opts { display: flex; flex-wrap: wrap; gap: 8px; }
.range__o { display: grid; justify-items: center; align-content: center; min-width: 72px; min-height: 52px; padding: 6px 12px; border-radius: var(--r-sm); border: 1.5px solid var(--mist); background: var(--white); transition: border-color var(--d-fast), background var(--d-fast); }
.range__o b { font-family: var(--f-display); font-size: .98rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.range__o small { font-family: var(--f-mono); font-size: .62rem; color: var(--slate); }
.range__o:hover { border-color: var(--slate-2); }
.range__o[aria-current] { border-color: var(--charcoal); background: var(--charcoal); color: #fff; }
.range__o[aria-current] small { color: rgba(255,255,255,.7); }
/* Colour swatches */
.colours { display: grid; gap: 10px; }
.colours__opts { display: flex; flex-wrap: wrap; gap: 10px; }
.sw { position: relative; width: 40px; height: 40px; border-radius: 50%; padding: 0; border: 1.5px solid var(--mist); background: var(--white); cursor: pointer; transition: border-color var(--d-fast), transform var(--d-fast); }
.sw::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--sw, #888); box-shadow: inset 0 0 0 1px rgba(0,0,0,.12), inset 0 6px 10px rgba(255,255,255,.18); }
.sw:hover { transform: translateY(-1px); border-color: var(--slate-2); }
.sw[aria-checked="true"] { border-color: var(--charcoal); box-shadow: 0 0 0 2px var(--white), 0 0 0 3.5px var(--charcoal); }
.sw:focus-visible { outline: 2px solid var(--accent, #2CCF00); outline-offset: 3px; }
.enq-prod__colour { display: block; }

/* Highlights */
.hl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--mist); border: 1px solid var(--mist); border-radius: var(--r-md); overflow: hidden; }
.hl li { background: var(--white); padding: 14px 16px; display: grid; gap: 2px; }
.hl b { font-family: var(--f-display); font-size: 1.25rem; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.hl span { font-size: .75rem; color: var(--slate); line-height: 1.35; }
@media (max-width: 480px) { .hl { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Price + CTAs */
.pbox__buy { display: grid; gap: 18px; padding: 22px; border-radius: var(--r-lg); background: var(--white); border: 1px solid var(--mist); box-shadow: var(--sh-2); position: relative; overflow: hidden; }
.pbox__buy::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--current); }
.pbox__ctas { display: grid; grid-template-columns: 1fr; gap: 10px; }
.pbox__ctas .btn { width: 100%; min-height: 56px; font-size: 1rem; }
.btn__meta { font-family: var(--f-mono); font-size: .68rem; font-weight: 500; color: var(--slate); margin-left: 4px; }
.assure { display: grid; gap: 10px; }
.assure li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: center; font-size: .88rem; color: var(--slate); }
.assure .i { width: 20px; height: 20px; color: var(--charcoal); }

/* Section nav */
.snav { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 66px); z-index: 80; background: rgba(255,255,255,.9); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--mist); }
.snav__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 58px; }
.snav__links { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.snav__links::-webkit-scrollbar { display: none; }
.snav__links a { position: relative; white-space: nowrap; padding: 18px 14px; font-size: .9rem; font-weight: 600; color: var(--slate); }
.snav__links a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 0; height: 2.5px; border-radius: 2px; background: var(--current); transform: scaleX(0); transition: transform var(--d-med) var(--ease-out); }
.snav__links a:hover, .snav__links a.is-on { color: var(--charcoal); }
.snav__links a.is-on::after { transform: scaleX(1); }
.snav__buy { display: flex; align-items: center; gap: 14px; opacity: 0; transform: translateY(6px); pointer-events: none; transition: opacity var(--d-med), transform var(--d-med) var(--ease-out); }
.snav.is-buy .snav__buy { opacity: 1; transform: none; pointer-events: auto; }
.snav__price { font-family: var(--f-display); font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.snav__price small { font-family: var(--f-body); font-size: .7rem; color: var(--slate); font-weight: 600; }
@media (max-width: 760px) { .snav__buy { display: none; } }

/* Section spacing on product page */
.pdp-sec { padding-block: clamp(56px, 7vw, 104px); scroll-margin-top: calc(var(--header-h) + 60px); }

/* Overview */
.ov { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.ov__copy { display: grid; gap: 18px; }
.ov__copy h2 { font-size: var(--t-h2); }
.ov__copy p { max-width: 62ch; }
.ov__img { position: relative; margin: 0; border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 1 / 1; }
.ov__img img { object-position: 50% 30%; }
.ov__img img { width: 100%; height: 100%; object-fit: cover; }
.ov__img figcaption { position: absolute; left: 14px; right: 14px; bottom: 14px; padding: 10px 14px; border-radius: var(--r-sm); font-size: .8rem; color: var(--slate); }
@media (max-width: 860px) { .ov { grid-template-columns: 1fr; } .ov__img { aspect-ratio: 4 / 3; } }


/* Specifications */
.specs { margin-top: var(--s-6); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 40px; align-items: start; position: relative; }
.specs.is-clipped { max-height: 720px; overflow: hidden; }
.specs.is-clipped::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 160px; background: linear-gradient(transparent, var(--white)); pointer-events: none; }
.sgroup { break-inside: avoid; margin-bottom: 26px; }
.sgroup h3 { font-family: var(--f-mono); font-size: .72rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--p-energy-ink); padding: 10px 0; border-bottom: 2px solid var(--charcoal); }
.sgroup dl { margin: 0; }
.sgroup dl > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--mist); font-size: .9rem; }
.sgroup dt { color: var(--slate); }
.sgroup dd { margin: 0; font-weight: 600; color: var(--charcoal); font-variant-numeric: tabular-nums; }
.specs__more { margin: 22px auto 0; display: flex; }
@media (max-width: 860px) { .specs { grid-template-columns: minmax(0, 1fr); } .specs.is-clipped { max-height: 900px; } }
@media (max-width: 480px) { .sgroup dl > div { grid-template-columns: 1fr; gap: 2px; } }


/* Related extra tile */
.relmore { display: grid; place-items: center; align-content: center; gap: 10px; border-radius: var(--r-md); border: 1.5px dashed var(--line); font-weight: 600; min-height: 200px; transition: border-color var(--d-fast), background var(--d-fast); }
.relmore:hover { border-color: var(--charcoal); background: var(--paper); }

/* Enquiry drawer */
.drawer { position: fixed; inset: 0; z-index: 118; visibility: hidden; transition: visibility 0s linear var(--d-slow); }
.drawer.is-open { visibility: visible; transition-delay: 0s; }
.drawer__scrim { position: absolute; inset: 0; background: rgba(31,36,38,.42); opacity: 0; transition: opacity var(--d-med); }
.drawer.is-open .drawer__scrim { opacity: 1; }
.drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(560px, 100%); background: var(--white); display: grid; grid-template-rows: auto 1fr; transform: translateX(100%); transition: transform var(--d-slow) var(--ease-out); box-shadow: var(--sh-3); padding-top: env(safe-area-inset-top, 0px); }
.drawer.is-open .drawer__panel { transform: none; }
.drawer__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 24px; border-bottom: 1px solid var(--mist); }
.drawer__head h2 { font-size: 1.3rem; }
.drawer__body { overflow-y: auto; padding: 22px 24px calc(28px + env(safe-area-inset-bottom, 0px)); display: grid; gap: 16px; align-content: start; }
.enq-prod { display: grid; grid-template-columns: 64px 1fr; gap: 14px; align-items: center; padding: 12px; border-radius: var(--r-md); background: var(--paper); }
.enq-prod__img { width: 64px; height: 64px; border-radius: 12px; background: var(--white); display: grid; place-items: center; padding: 6px; }
.enq-prod__img img { max-height: 100%; width: auto; }
.enq-prod strong { display: block; font-size: .95rem; }
.enq-prod small { display: block; font-size: .8rem; color: var(--slate); font-variant-numeric: tabular-nums; }
@media (max-width: 520px) { .drawer__panel { width: 100%; } }
.enq-ok { display: grid; justify-items: center; text-align: center; gap: 12px; padding: 40px 12px; }
.enq-ok h3 { font-size: 1.4rem; outline: none; }
.enq-ok p { color: var(--slate); }
.enq-ok__ic { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: var(--p-mob-tint); color: var(--volt-ink); }
.enq-ok__ic .i { width: 30px; height: 30px; }

/* Mobile sticky bar */
.mbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 95; display: none; align-items: center; gap: 10px; padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom, 0px)); background: rgba(255,255,255,.94); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-top: 1px solid var(--mist); transform: translateY(110%); transition: transform var(--d-med) var(--ease-out); }
.mbar .price { margin-right: auto; }
.mbar .price__incl { font-size: 1.1rem; }
.mbar .price__excl { font-size: .7rem; }
.mbar.is-on { transform: none; }
@media (max-width: 760px) { .mbar { display: flex; } .page-product .review { bottom: calc(84px + env(safe-area-inset-bottom, 0px)); } }