/* ============================================================
   UpgradeAirKit.com — DEV PREVIEW enhancements (Agent A)
   Shopify-grade storefront polish on the existing PHP/flat-file stack.
   Loaded AFTER design-system.css + shop.css (Agent B links it in heads).
   Brand tokens come from design-system.css (--green, --grad-green,
   --glow-green, --navy, --radius*, --shadow*, fonts).
   Everything here SHINES: green/teal gradients, soft glow, smooth motion.
   ============================================================ */

/* Consistent keyboard-focus ring for shop CTAs (design-system .btn has none). */
.kit-card .btn:focus-visible,
.filter-row .btn:focus-visible,
.cross-sell .btn:focus-visible,
.pdp__buy .btn:focus-visible,
.kit-picker .btn:focus-visible,
.shop-noresults .btn:focus-visible,
.refill-strip__item:focus-visible,
.sticky-buy__add:focus-visible {
  outline: 3px solid rgba(47,168,79,.45); outline-offset: 2px;
}

/* ------------------------------------------------------------
   1) KIT CARDS — real product photo hero + tiny Lulu brand accent
   ------------------------------------------------------------ */
.kit-card__media {
  position: relative;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(47,168,79,.08), transparent 60%),
    var(--grad-air);
}
/* Real ERV / product photo as the hero — contain so the unit isn't cropped. */
.kit-card__img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 10% 12%;
  transition: transform .45s cubic-bezier(.2,.9,.3,1.1);
}
.kit-card:hover .kit-card__img { transform: scale(1.05); }
/* Filters/add-ons whose photo is a flat product render also look right with contain. */

/* Lulu mascot REMOVED from product images (contract: product visuals show only
   the real LifeBreath/Zehnder photo). Any leftover overlay node is neutralized. */
.kit-card__lulu { display: none !important; }

/* Flash highlight when the picker scrolls you to a card. */
.kit-card--flash {
  animation: kit-flash 1.6s ease;
}
@keyframes kit-flash {
  0%   { box-shadow: 0 0 0 0 rgba(47,168,79,0); }
  18%  { box-shadow: 0 0 0 4px rgba(47,168,79,.55), 0 18px 40px rgba(47,168,79,.3); transform: translateY(-4px); }
  100% { box-shadow: var(--shadow-sm); }
}

/* ------------------------------------------------------------
   2) STAR RATING — partial-fill stars (cards + PDP)
   ------------------------------------------------------------ */
.rating { display: inline-flex; align-items: center; gap: .4rem; }
.rating--inline { margin: .1rem 0 .15rem; }
.rating--block { margin: .2rem 0 .8rem; }
.rating__stars {
  position: relative; display: inline-flex; line-height: 0;
  color: #D7DEE8; /* empty star color */
}
.rating__stars-base { display: inline-flex; }
.rating__stars-fill {
  position: absolute; inset: 0; overflow: hidden; white-space: nowrap;
  color: var(--gold); display: inline-flex;
}
.rating__stars svg { width: 16px; height: 16px; }
.rating--block .rating__stars svg { width: 19px; height: 19px; }
.rating__num { font-family: var(--font-display); font-weight: 800; color: var(--navy); font-size: .9rem; }
.rating--block .rating__num { font-size: 1rem; }
.rating__count { color: var(--ink-soft); font-size: .82rem; }

/* ------------------------------------------------------------
   3) BEDROOM-COUNT GUIDED PICKER
   ------------------------------------------------------------ */
#kit-picker { margin: clamp(8px, 2vw, 18px) 0 clamp(24px, 4vw, 40px); }
.kit-picker {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 3.5vw, 2.4rem) clamp(1.3rem, 3.5vw, 2.6rem);
  background:
    radial-gradient(130% 130% at 0% 0%, rgba(54,190,91,.16), transparent 55%),
    var(--grad-navy);
  color: #EAF1FB;
  box-shadow: var(--shadow-lg);
}
.kit-picker::after {
  content: ""; position: absolute; inset: auto -10% -55% 45%; height: 90%;
  background: radial-gradient(closest-side, rgba(47,168,79,.35), transparent 70%);
  filter: blur(26px); pointer-events: none;
}
.kit-picker__step, .kit-picker__result { position: relative; z-index: 1; }
.kit-picker__lead { margin-bottom: 1.1rem; }
.kit-picker__eyebrow {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-display); font-weight: 800; letter-spacing: .04em;
  text-transform: uppercase; font-size: .74rem; color: #6BE08C;
  background: rgba(47,168,79,.14); border: 1px solid rgba(107,224,140,.3);
  padding: .4em .9em; border-radius: 999px; margin-bottom: .7rem;
}
.kit-picker__eyebrow svg { width: 15px; height: 15px; }
.kit-picker__q { color: #fff; margin: 0 0 .2em; font-size: clamp(1.4rem, 3vw, 2rem); }
.kit-picker__hint { margin: 0; color: #C6D6EA; font-size: .98rem; }

.kit-picker__chips { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.1rem; }
.kit-picker__chip {
  min-width: 56px; height: 56px; padding: 0 1.1rem;
  border-radius: 16px; cursor: pointer;
  font-family: var(--font-display); font-weight: 800; font-size: 1.25rem;
  color: #EAF1FB; background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(255,255,255,.22);
  transition: transform .18s cubic-bezier(.2,.9,.3,1.3), background .2s ease, border-color .2s ease, box-shadow .25s ease, color .2s ease;
}
.kit-picker__chip:hover {
  transform: translateY(-3px);
  background: rgba(54,190,91,.22); border-color: #6BE08C; color: #fff;
}
.kit-picker__chip.is-active {
  background: var(--grad-green); border-color: transparent; color: #fff;
  box-shadow: var(--glow-green);
  transform: translateY(-2px);
}

/* Result card slides/fades in */
.kit-picker__result {
  margin-top: 1.3rem; opacity: 0; transform: translateY(14px);
  transition: opacity .45s ease, transform .45s cubic-bezier(.2,.9,.3,1.1);
}
.kit-picker__result.is-shown { opacity: 1; transform: none; }
.kit-picker__match {
  display: grid; grid-template-columns: 120px 1fr; gap: clamp(1rem, 2.5vw, 1.6rem);
  align-items: center;
  background: #fff; color: var(--ink);
  border-radius: var(--radius-lg); padding: clamp(1rem, 2.5vw, 1.4rem);
  box-shadow: var(--shadow);
}
.kit-picker__match-media {
  width: 120px; height: 120px; border-radius: 14px; overflow: hidden;
  background: var(--grad-air); display: grid; place-items: center;
}
.kit-picker__match-media img { width: 100%; height: 100%; object-fit: contain; padding: 8%; }
.kit-picker__match-eyebrow { display: block; font-size: .82rem; color: var(--green-dark); font-weight: 700; }
.kit-picker__match-name { margin: .1rem 0 .15rem; color: var(--navy); }
.kit-picker__match-for { margin: 0 0 .5rem; color: var(--ink-soft); font-size: .9rem; }
.kit-picker__match-price { display: flex; align-items: baseline; gap: .6rem; margin-bottom: .8rem; }
.kit-picker__match-price .price-now { font-size: 1.5rem; }
.kit-picker__match-mo { color: var(--ink-soft); font-size: .88rem; }
.kit-picker__match-actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.kit-picker__match-actions .btn { padding: .7em 1.3em; font-size: .92rem; }
@media (max-width: 540px) {
  .kit-picker__match { grid-template-columns: 1fr; text-align: center; }
  .kit-picker__match-media { margin: 0 auto; }
  .kit-picker__match-price, .kit-picker__match-actions { justify-content: center; }
}

/* ------------------------------------------------------------
   4) SHOP TOOLBAR — category filter + sort + search
   ------------------------------------------------------------ */
#shop-toolbar { margin: 0 0 clamp(20px, 3vw, 32px); }
.shop-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem;
  justify-content: space-between;
  padding: .7rem .8rem; border-radius: var(--radius-pill);
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.shop-filter-group { display: inline-flex; gap: .35rem; flex-wrap: wrap; }
.shop-filter {
  border: 0; cursor: pointer; min-height: 40px; padding: 0 1.05rem;
  border-radius: 999px; background: transparent; color: var(--ink-soft);
  font-family: var(--font-display); font-weight: 700; font-size: .9rem;
  transition: background .2s ease, color .2s ease, box-shadow .25s ease, transform .15s ease;
}
.shop-filter:hover { color: var(--green-dark); background: var(--green-light); }
.shop-filter.is-active {
  background: var(--grad-green); color: #fff; box-shadow: var(--glow-green);
}
.shop-toolbar__right { display: inline-flex; align-items: center; gap: .7rem; flex-wrap: wrap; }

.shop-search {
  display: inline-flex; align-items: center; gap: .5em;
  background: var(--mist); border: 1px solid var(--line);
  border-radius: 999px; padding: .25em .9em;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.shop-search:focus-within { border-color: var(--green); box-shadow: 0 0 0 3px rgba(47,168,79,.15); background: #fff; }
.shop-search__ico { color: var(--ink-soft); display: inline-flex; }
.shop-search:focus-within .shop-search__ico { color: var(--green-dark); }
.shop-search input {
  border: 0; background: none; outline: none; min-height: 38px;
  font-family: var(--font-body); font-size: 1rem; color: var(--ink); width: 180px;
}
.shop-search input::placeholder { color: var(--ink-soft); }

.shop-sort { display: inline-flex; align-items: center; gap: .45em; }
.shop-sort__label { font-family: var(--font-display); font-weight: 700; font-size: .85rem; color: var(--ink-soft); }
.shop-sort select {
  appearance: none; -webkit-appearance: none;
  border: 1px solid var(--line); background: #fff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='18' height='18'%3E%3Cpath fill='%234A5A6A' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .55em center;
  border-radius: 999px; padding: .55em 2.1em .55em 1em; min-height: 40px;
  font-family: var(--font-display); font-weight: 700; font-size: .88rem; color: var(--navy);
  cursor: pointer; transition: border-color .2s ease, box-shadow .2s ease;
}
.shop-sort select:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(47,168,79,.15); }

@media (max-width: 700px) {
  .shop-toolbar { flex-direction: column; align-items: stretch; border-radius: var(--radius-lg); }
  .shop-filter-group { justify-content: center; }
  .shop-toolbar__right { justify-content: space-between; gap: .6rem; }
  .shop-search { flex: 1 1 auto; }
  .shop-search input { width: 100%; }
}
/* Very narrow phones (≤430px): stack search over sort so neither is squeezed. */
@media (max-width: 430px) {
  .shop-toolbar__right { flex-direction: column; align-items: stretch; }
  .shop-sort { justify-content: space-between; }
  .shop-sort select { flex: 1 1 auto; }
}

/* Flat filtered/sorted result grid */
.shop-grid--flat .shop-grid-inner--flat {
  display: grid; gap: clamp(18px, 2.4vw, 28px);
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 980px) { .shop-grid--flat .shop-grid-inner--flat { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .shop-grid--flat .shop-grid-inner--flat { grid-template-columns: 1fr; } }
.shop-resultcount { margin: 0 0 1rem; font-size: .9rem; }
.shop-noresults {
  text-align: center; padding: clamp(2rem, 6vw, 4rem) 1rem; max-width: 460px; margin-inline: auto;
}
.shop-noresults__art {
  display: inline-grid; place-items: center; width: 64px; height: 64px; border-radius: 50%;
  background: var(--green-light); color: var(--green-dark); margin-bottom: 1rem;
}
.shop-noresults__art svg { width: 30px; height: 30px; }
.shop-noresults h3 { margin: 0 0 .4rem; }
.shop-noresults .btn { margin-top: 1.1rem; }

/* ------------------------------------------------------------
   5) PDP — sticky buy bar, reviews block, cross-sell row
   ------------------------------------------------------------ */
/* PDP hero: contain real product photo. Lulu overlay REMOVED (contract). */
.pdp__media { position: sticky; }
.pdp__media img:not(.pdp__media-lulu) {
  width: 100%; aspect-ratio: 1 / 1; object-fit: contain; padding: 8%;
}
.pdp__media-lulu { display: none !important; }

/* --- Sticky add-to-cart bar (follows scroll, mobile + desktop) --- */
.sticky-buy {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 120;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(150%) blur(12px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(12,42,77,.12);
  transform: translateY(110%); opacity: 0;
  transition: transform .35s cubic-bezier(.2,.9,.3,1.1), opacity .3s ease;
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.sticky-buy.is-visible { transform: translateY(0); opacity: 1; }
.sticky-buy__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-block: .7rem; min-height: 60px;
}
.sticky-buy__info { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.sticky-buy__name { font-family: var(--font-display); font-weight: 800; color: var(--navy); font-size: 1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sticky-buy__price { font-family: var(--font-display); font-weight: 900; color: var(--green-dark); font-size: 1.15rem; }
.sticky-buy__mo { font-weight: 700; color: var(--ink-soft); font-size: .8rem; }
.sticky-buy__add { min-height: 46px; padding: .7em 1.8em; flex: 0 0 auto; }
@media (max-width: 560px) {
  .sticky-buy__add { padding: .7em 1.3em; }
  .sticky-buy__name { font-size: .92rem; }
}

/* --- Reviews block --- */
.reviews { margin: 0 0 1.6rem; }
.reviews__head { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.reviews__head h3 { margin: 0; }
.reviews__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .9rem; }
@media (max-width: 560px) { .reviews__grid { grid-template-columns: 1fr; } }
.review-card {
  margin: 0; padding: 1.1rem 1.2rem;
  background: linear-gradient(135deg, #fff 0%, var(--green-light) 100%);
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .25s ease, border-color .2s ease;
}
.review-card:hover { transform: translateY(-3px); border-color: var(--green); box-shadow: 0 12px 26px rgba(47,168,79,.16); }
.review-card__stars { display: inline-flex; color: #D7DEE8; margin-bottom: .55rem; line-height: 0; }
.review-card__star svg { width: 16px; height: 16px; }
.review-card__star.is-on { color: var(--gold); }
.review-card__text { margin: 0 0 .7rem; font-size: .96rem; color: var(--ink); line-height: 1.5; }
.review-card__by { display: flex; align-items: baseline; gap: .5rem; }
.review-card__name { font-family: var(--font-display); font-weight: 800; color: var(--navy); font-size: .9rem; }
.review-card__loc { color: var(--ink-soft); font-size: .82rem; }
.reviews__note { display: flex; align-items: center; gap: .45em; margin: .9rem 0 0; font-size: .8rem; }
.reviews__note svg { color: var(--green-dark); flex: 0 0 16px; }

/* --- Cross-sell "Complete your system" --- */
.cross-sell { margin-top: clamp(40px, 6vw, 72px); }
.cross-sell__head { margin-bottom: 1.4rem; position: relative; padding-bottom: .9rem; }
.cross-sell__head::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 64px;
  border-radius: 999px; background: var(--grad-green); box-shadow: var(--glow-green);
}
.cross-sell__head h2 { margin: 0; }
.cross-sell__head p { margin: .3rem 0 0; }
.cross-sell__row { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(14px, 2vw, 22px); }
@media (max-width: 560px) { .cross-sell__row { grid-template-columns: 1fr; } }
.cross-sell__item { display: grid; grid-template-columns: 110px 1fr; gap: 1rem; align-items: center; overflow: hidden; padding: .9rem; }
.cross-sell__media {
  width: 110px; height: 110px; border-radius: 12px; overflow: hidden;
  background: var(--grad-air); display: grid; place-items: center;
}
.cross-sell__media img { width: 100%; height: 100%; object-fit: contain; padding: 10%; transition: transform .4s ease; }
.cross-sell__item:hover .cross-sell__media img { transform: scale(1.06); }
.cross-sell__body { min-width: 0; display: flex; flex-direction: column; gap: .25rem; }
.cross-sell__name { font-family: var(--font-display); font-weight: 800; color: var(--navy); font-size: 1.02rem; line-height: 1.2; }
.cross-sell__name:hover { color: var(--green-dark); }
.cross-sell__tag { margin: 0; color: var(--ink-soft); font-size: .85rem; }
.cross-sell__foot { display: flex; align-items: center; justify-content: space-between; gap: .6rem; margin-top: .4rem; }
.cross-sell__foot .price-now { font-size: 1.2rem; }
@media (max-width: 400px) {
  .cross-sell__item { grid-template-columns: 80px 1fr; }
  .cross-sell__media { width: 80px; height: 80px; }
}

/* ------------------------------------------------------------
   6) CHECKOUT — Authorize.net card method + invoice selector
   (works with checkout.js .co2-pay markup + the .pay-method aliases)
   ------------------------------------------------------------ */
.pay-method .co2-pay__opt {
  display: grid; grid-template-columns: 1fr auto; align-items: start; gap: .8rem;
  padding: 1rem 1.1rem; border: 1.5px solid var(--line); border-radius: var(--radius);
  cursor: pointer; background: #fff; position: relative;
  transition: border-color .2s ease, box-shadow .25s ease, background .2s ease, transform .15s ease;
}
.pay-method .co2-pay__opt + .co2-pay__opt { margin-top: .7rem; }
.pay-method .co2-pay__opt:hover { border-color: var(--green); transform: translateY(-1px); }
.pay-method .co2-pay__opt.is-selected {
  border-color: var(--green);
  background: linear-gradient(135deg, #fff 0%, var(--green-light) 100%);
  box-shadow: 0 10px 26px rgba(47,168,79,.16);
}
.pay-method .co2-pay__opt input[type="radio"] {
  position: absolute; opacity: 0; width: 0; height: 0;
}
.pay-method .co2-pay__body { display: flex; flex-direction: column; gap: .25rem; }
.pay-method .co2-pay__name {
  display: flex; align-items: center; gap: .6em; flex-wrap: wrap;
  font-family: var(--font-display); font-weight: 800; color: var(--navy); font-size: 1.02rem;
}
.pay-method .co2-pay__desc { color: var(--ink-soft); font-size: .88rem; line-height: 1.45; }
.pay-method .co2-pay__check {
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: var(--mist); color: transparent; border: 1.5px solid var(--line);
  font-weight: 900; font-size: .85rem; align-self: center;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.pay-method .co2-pay__opt.is-selected .co2-pay__check {
  background: var(--grad-green); color: #fff; border-color: transparent; box-shadow: var(--glow-green);
}

/* Card-brand chips */
.pay-method__brands { display: inline-flex; gap: .3rem; }
.pay-brand {
  font-family: var(--font-display); font-weight: 800; font-size: .58rem; letter-spacing: .03em;
  padding: .25em .5em; border-radius: 5px; color: #fff; line-height: 1;
}
.pay-brand--visa { background: #1a1f71; }
.pay-brand--mc   { background: linear-gradient(90deg,#eb001b 0 50%,#f79e1b 50% 100%); }
.pay-brand--amex { background: #1f72cd; }
.pay-brand--disc { background: #e0801a; }

/* Card-fields hosted-payment affordance (shown only when card selected) */
.pay-method__card-fields {
  display: none; align-items: flex-start; gap: .55em;
  margin: -.1rem 0 .2rem; padding: .8rem 1rem;
  background: var(--green-light); border: 1px dashed var(--green);
  border-radius: 12px; font-size: .85rem; color: var(--green-dark);
}
.pay-method__card-fields.is-shown { display: flex; animation: pay-fade .3s ease; }
.pay-method__card-fields svg { flex: 0 0 16px; margin-top: 2px; }
@keyframes pay-fade { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ------------------------------------------------------------
   7) "Secure checkout" notes that replaced the mockup banners
   ------------------------------------------------------------ */
.cart-secure-note {
  display: flex; align-items: center; gap: .5em; margin: 1.1rem 0 0;
  padding: .7rem .85rem; background: var(--green-light);
  border: 1px solid rgba(47,168,79,.25); border-radius: 10px;
  font-size: .82rem; color: var(--green-dark);
}
.cart-secure-note svg { flex: 0 0 15px; }
.secure-banner {
  display: flex; align-items: center; gap: .6em;
  background: var(--green-light); color: var(--green-dark);
  border: 1px solid rgba(47,168,79,.25);
  border-radius: 10px; padding: .75rem 1rem; font-size: .88rem; margin-bottom: 1.6rem;
}
.secure-banner svg { flex: 0 0 16px; }
.co-payment-secure {
  display: flex; align-items: center; gap: .6em;
  background: var(--green-light); border: 1px solid rgba(47,168,79,.25);
  border-radius: 10px; padding: .9rem 1rem; font-size: .88rem; color: var(--green-dark);
}
.co-payment-secure svg { flex: 0 0 16px; }
/* drop the legacy "demo" pill on the old place button */
.co-place::after { content: none !important; }
.co-place {
  background: var(--grad-green) !important;
  box-shadow: var(--glow-green) !important;
}

/* ------------------------------------------------------------
   8) MOBILE POLISH — ≥16px inputs, ≥44px tap targets
   ------------------------------------------------------------ */
@media (max-width: 760px) {
  /* prevent iOS zoom-on-focus: inputs must be ≥16px */
  .shop-search input,
  .form-field input,
  .co2-field input,
  .co2-field select,
  .co2-field textarea { font-size: 16px; }
  /* comfortable tap targets */
  .shop-filter, .shop-sort select, .kit-picker__chip,
  .btn, .btn--sm { min-height: 44px; }
  .qty-stepper button { min-width: 44px; }
}
/* keep the fixed sticky buy-bar from covering page content (all widths) */
body.pdp-has-sticky { padding-bottom: 76px; }

/* ============================================================
   ████  PREMIUM OVERHAUL — Cart · Gallery · Card framing  ████
   Agent B headline deliverable. Styles the OVERHAUL_CONTRACT
   class vocabulary: .pdp-gallery*, .cart / .cart__items /
   .cart-row* / .qty-stepper* / .cart__summary / .cart__checkout /
   .cart--empty, plus the .uak-modal--image lightbox & card framing.
   On-brand green/teal gradients, soft glow, depth, smooth motion.
   Loaded AFTER shop.css so these rules win over the legacy aliases.
   ============================================================ */

/* ------------------------------------------------------------
   A) PRODUCT-CARD IMAGE FRAMING (Lulu gone — clean real photo)
   ------------------------------------------------------------ */
.kit-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid; place-items: stretch;
  background:
    radial-gradient(125% 120% at 50% 0%, rgba(47,168,79,.10), transparent 62%),
    linear-gradient(180deg, #FCFEFD 0%, var(--mist) 100%);
  border-bottom: 1px solid var(--line);
}
.kit-card__media::after { /* soft floor shadow under the floating product */
  content: ""; position: absolute; left: 16%; right: 16%; bottom: 9%;
  height: 14px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(12,42,77,.16), transparent 72%);
  filter: blur(5px); opacity: .7; pointer-events: none;
  transition: transform .45s cubic-bezier(.2,.9,.3,1.1), opacity .3s ease;
}
/* Higher specificity than shop.css `.kit-card__media img` (which is `cover`)
   so the real product photo is CONTAINED (never cropped). */
.kit-card__media .kit-card__img,
.kit-card__img {
  position: relative; z-index: 1;
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 11% 13% 13%;
  transition: transform .5s cubic-bezier(.2,.9,.3,1.1);
}
.kit-card:hover .kit-card__img { transform: translateY(-4px) scale(1.05); }
.kit-card:hover .kit-card__media::after { transform: scale(1.06); opacity: .55; }

/* ------------------------------------------------------------
   B) PRODUCT GALLERY (PDP)  —  .pdp-gallery + children
   ------------------------------------------------------------ */
.pdp-gallery {
  position: sticky; top: 84px;
  display: flex; flex-direction: column; gap: clamp(.7rem, 1.6vw, 1rem);
}
@media (max-width: 860px) { .pdp-gallery { position: static; } }

/* --- main stage --- */
.pdp-gallery__stage {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(130% 120% at 50% 0%, rgba(47,168,79,.12), transparent 60%),
    linear-gradient(180deg, #FCFEFD 0%, var(--mist) 70%, var(--mist-2) 100%);
  border: 1px solid var(--line);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.9),
    inset 0 -22px 48px rgba(12,42,77,.06),
    var(--shadow);
  aspect-ratio: 1 / 1;
}
.pdp-gallery__stage::after { /* floor shadow under the floating unit */
  content: ""; position: absolute; left: 18%; right: 18%; bottom: 7%;
  height: 18px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(12,42,77,.18), transparent 72%);
  filter: blur(7px); pointer-events: none;
}
.pdp-gallery__main {
  position: relative; z-index: 1;
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 9%;
  cursor: zoom-in;
  /* smooth fade/scale on swap (JS toggles .is-swapping or just swaps src) */
  transition: opacity .32s ease, transform .5s cubic-bezier(.2,.9,.3,1.1);
  will-change: opacity, transform;
}
.pdp-gallery__main.is-swapping { opacity: 0; transform: scale(.985); }
.pdp-gallery__stage:hover .pdp-gallery__main { transform: scale(1.015); }

/* --- prev/next nav --- */
.pdp-gallery__nav {
  position: absolute; inset: 0; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(.5rem, 1.5vw, 1rem); pointer-events: none;
}
.pdp-gallery__nav button,
.pdp-gallery__nav .pdp-gallery__arrow {
  pointer-events: auto;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(150%) blur(6px);
  color: var(--navy); cursor: pointer;
  box-shadow: var(--shadow-sm);
  opacity: 0; transform: scale(.85);
  transition: opacity .25s ease, transform .25s cubic-bezier(.2,.9,.3,1.3),
              background .2s ease, color .2s ease, box-shadow .25s ease;
}
.pdp-gallery__stage:hover .pdp-gallery__nav button,
.pdp-gallery:hover .pdp-gallery__nav button,
.pdp-gallery__nav button:focus-visible {
  opacity: 1; transform: scale(1);
}
.pdp-gallery__nav button:hover {
  background: var(--grad-green); color: #fff; border-color: transparent;
  box-shadow: var(--glow-green); transform: scale(1.08);
}
.pdp-gallery__nav button:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.pdp-gallery__nav button svg { width: 20px; height: 20px; }
/* arrow glyph fallback if JS uses text chevrons */
.pdp-gallery__nav button:empty::before { content: "‹"; font-size: 1.7rem; line-height: 1; font-weight: 700; }
.pdp-gallery__nav button[data-dir="next"]:empty::before,
.pdp-gallery__nav button.is-next:empty::before { content: "›"; }
/* always show on touch devices */
@media (hover: none) {
  .pdp-gallery__nav button { opacity: 1; transform: none; }
}

/* --- thumbnail strip --- */
.pdp-gallery__thumbs {
  display: flex; gap: .6rem; flex-wrap: wrap;
}
@media (max-width: 520px) {
  .pdp-gallery__thumbs {
    flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px;
    scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .pdp-gallery__thumb { scroll-snap-align: start; flex: 0 0 auto; }
}
.pdp-gallery__thumb {
  width: 72px; height: 72px; flex: 0 0 72px;
  border-radius: 12px; overflow: hidden; cursor: pointer;
  background: linear-gradient(180deg, #fff 0%, var(--mist) 100%);
  border: 1.5px solid var(--line);
  padding: 0;
  position: relative;
  transition: transform .2s cubic-bezier(.2,.9,.3,1.2),
              border-color .2s ease, box-shadow .25s ease;
}
.pdp-gallery__thumb img { width: 100%; height: 100%; object-fit: contain; padding: 12%; }
.pdp-gallery__thumb:hover { transform: translateY(-2px); border-color: var(--green); box-shadow: var(--shadow-sm); }
.pdp-gallery__thumb:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.pdp-gallery__thumb.is-active {
  border-color: var(--green);
  box-shadow: 0 0 0 2px rgba(47,168,79,.35), var(--glow-green);
}
.pdp-gallery__thumb.is-active::after {
  content: ""; position: absolute; inset: 0; border-radius: 10px;
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.7); pointer-events: none;
}

/* ------------------------------------------------------------
   C) IMAGE LIGHTBOX  —  .uak-modal--image (premium feel)
   ------------------------------------------------------------ */
.uak-modal--image .uak-modal__backdrop {
  background: rgba(8,28,54,.74);
  backdrop-filter: blur(8px) saturate(120%);
}
.uak-modal__card--image {
  background: transparent !important;
  box-shadow: none !important;
  padding: 0 !important;
  max-width: min(92vw, 980px) !important;
  display: grid; place-items: center;
}
.uak-modal--image .uak-modal__img {
  max-width: min(90vw, 940px); max-height: 86vh;
  width: auto; height: auto;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #FCFEFD 0%, var(--mist) 100%);
  padding: 2.2%;
  box-shadow: 0 36px 90px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.8);
}
.uak-modal--image .uak-modal__close {
  position: absolute; top: -14px; right: -14px;
  width: 44px; height: 44px; border-radius: 50%;
  border: 0; cursor: pointer;
  background: #fff; color: var(--navy);
  font-size: 1.5rem; line-height: 1;
  display: grid; place-items: center;
  box-shadow: var(--shadow);
  transition: transform .2s cubic-bezier(.2,.9,.3,1.3), background .2s ease, color .2s ease;
}
.uak-modal--image .uak-modal__close:hover { transform: scale(1.1) rotate(90deg); background: var(--grad-green); color: #fff; }
@media (max-width: 600px) {
  .uak-modal--image .uak-modal__close { top: 6px; right: 6px; }
}

/* ============================================================
   D) SHOPPING CART  —  premium two-column overhaul
   .cart · .cart__items · .cart-row* · .qty-stepper* ·
   .cart__summary · .cart__checkout · .cart--empty
   ============================================================ */
.cart {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}
@media (max-width: 900px) { .cart { grid-template-columns: 1fr; } }

.cart__items { display: flex; flex-direction: column; gap: 14px; }

/* count / header line above the items (optional markup) */
.cart__items-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: .2rem;
}
.cart__items-head h2 { margin: 0; font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
.cart__items-count { color: var(--ink-soft); font-size: .92rem; font-weight: 600; }

/* --- cart rows (shared class names, premium upgrade) --- */
.cart .cart-row,
.cart__items .cart-row {
  grid-template-columns: 104px minmax(0,1fr) auto auto;
  gap: clamp(.8rem, 2vw, 1.2rem);
  padding: clamp(14px, 1.6vw, 18px);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #fff 0%, #FCFEFD 100%);
  transition: transform .2s cubic-bezier(.2,.9,.3,1.1),
              box-shadow .25s ease, border-color .2s ease, opacity .22s ease;
}
.cart .cart-row:hover,
.cart__items .cart-row:hover {
  transform: translateY(-2px);
  border-color: #CBD9E9;
  box-shadow: 0 14px 30px rgba(12,42,77,.10);
}

.cart-row__media {
  width: 104px; height: 104px; border-radius: 14px; overflow: hidden;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(47,168,79,.10), transparent 60%),
    linear-gradient(180deg, #FCFEFD 0%, var(--mist) 100%);
  border: 1px solid var(--line);
  display: grid; place-items: center;
}
.cart-row__media img {
  width: 100%; height: 100%;
  object-fit: contain; padding: 12%;
  border-radius: 0; background: none;
  transition: transform .4s cubic-bezier(.2,.9,.3,1.1);
}
.cart-row:hover .cart-row__media img { transform: scale(1.06); }

.cart-row__info { min-width: 0; display: flex; flex-direction: column; gap: .15rem; }
.cart-row__name { line-height: 1.25; transition: color .18s ease; }
.cart-row__name:hover { color: var(--green-dark); }
.cart-row__meta,
.cart-row__tag { margin: .2rem 0 .55rem; font-size: .86rem; color: var(--ink-soft); }
.cart-row__remove {
  align-self: flex-start;
  padding: .3em .55em .3em .3em; margin-left: -.3em;
  border-radius: 999px;
  transition: color .18s ease, background .18s ease;
}
.cart-row__remove:hover { text-decoration: none; background: rgba(200,36,43,.08); }
.cart-row__remove svg { transition: transform .2s ease; }
.cart-row__remove:hover svg { transform: scale(1.1); }

.cart-row__qty { display: flex; align-items: center; }
.cart-row__price { text-align: right; white-space: nowrap; }
.cart-row__line { font-size: 1.2rem; }

/* --- refined qty stepper (≥44px targets, hover/focus states) --- */
.cart .qty-stepper,
.cart__items .qty-stepper,
.qty-stepper {
  background: linear-gradient(180deg, #fff 0%, var(--mist) 100%);
  box-shadow: var(--shadow-sm);
}
.qty-stepper button { min-width: 44px; width: 44px; height: 44px; font-weight: 700; }
.qty-stepper button:active { background: var(--green); color: #fff; }
.qty-stepper button:focus-visible { outline: 2px solid var(--green); outline-offset: -2px; }
.qty-stepper input { width: 46px; height: 44px; }

@media (max-width: 560px) {
  .cart .cart-row,
  .cart__items .cart-row {
    grid-template-columns: 80px 1fr;
    grid-template-areas: "media info" "qty price";
    align-items: center; row-gap: 1rem;
  }
  .cart-row__media { grid-area: media; width: 80px; height: 80px; }
  .cart-row__info { grid-area: info; }
  .cart-row__qty { grid-area: qty; }
  .cart-row__price { grid-area: price; align-self: center; }
}

/* --- sticky order-summary card --- */
.cart__summary {
  position: sticky; top: 84px;
  padding: clamp(1.4rem, 2.4vw, 1.7rem) clamp(1.4rem, 2.4vw, 1.6rem) clamp(1.5rem, 2.4vw, 1.7rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(47,168,79,.07), transparent 60%),
    #fff;
  border: 1px solid var(--line);
  box-shadow: 0 18px 44px rgba(12,42,77,.13), inset 0 1px 0 rgba(255,255,255,.9);
}
.cart__summary h3 {
  margin: 0 0 1rem; padding-bottom: .9rem;
  position: relative; font-size: 1.2rem;
}
.cart__summary h3::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 52px; height: 3px; border-radius: 999px;
  background: var(--grad-green); box-shadow: var(--glow-green);
}
.cart__line {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: .5rem 0; font-size: .95rem; color: var(--ink);
}
.cart__line span:first-child { color: var(--ink-soft); }
.cart__line strong { font-family: var(--font-display); font-weight: 700; color: var(--navy); }
.cart__line--free { color: var(--green-dark); }
.cart__line--free strong, .cart__line--free span:last-child {
  color: var(--green-dark); font-weight: 800; font-family: var(--font-display);
}
.cart__total {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-top: .5rem; padding: .95rem 0 1.15rem;
  border-top: 1px solid var(--line);
}
.cart__total > span:first-child { font-family: var(--font-display); font-weight: 700; color: var(--navy); }
.cart__total strong { font-family: var(--font-display); font-weight: 900; color: var(--navy); font-size: 1.6rem; letter-spacing: -.01em; }

/* prominent gradient checkout CTA (hover lift + glow) */
.cart__checkout {
  display: flex; width: 100%; justify-content: center; align-items: center; gap: .55em;
  min-height: 54px; padding: .9em 1.6em;
  border: 0; border-radius: var(--radius-pill); cursor: pointer;
  font-family: var(--font-display); font-weight: 800; font-size: 1.08rem;
  color: #fff; background: var(--grad-green);
  box-shadow: var(--glow-green), inset 0 1px 0 rgba(255,255,255,.25);
  position: relative; overflow: hidden;
  transition: transform .15s ease, box-shadow .25s ease, filter .2s ease;
}
.cart__checkout::before { /* subtle sheen sweep on hover */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.28) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .6s ease;
}
.cart__checkout:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(47,168,79,.48), inset 0 1px 0 rgba(255,255,255,.3);
  filter: brightness(1.04);
}
.cart__checkout:hover::before { transform: translateX(120%); }
.cart__checkout:active { transform: translateY(0); }
.cart__checkout:focus-visible { outline: 3px solid rgba(47,168,79,.45); outline-offset: 3px; }

.cart__cont,
.cart__continue {
  display: block; text-align: center; margin-top: .9rem;
  font-family: var(--font-display); font-weight: 700; font-size: .92rem;
  color: var(--green-dark);
}
.cart__cont:hover,
.cart__continue:hover { text-decoration: underline; }

/* free-ship / freight microcopy */
.cart__ship-note,
.cart__freight-note {
  display: flex; align-items: flex-start; gap: .5em;
  margin: 1.1rem 0 0; padding: .75rem .9rem;
  background: var(--green-light);
  border: 1px solid rgba(47,168,79,.22); border-radius: 12px;
  font-size: .83rem; color: var(--green-dark); line-height: 1.45;
}
.cart__ship-note svg,
.cart__freight-note svg { flex: 0 0 16px; margin-top: 1px; color: var(--green); }

/* trust line — works as either a single <p> (current markup) or a list */
.cart__trust {
  margin: 1rem 0 0; padding: 1rem 0 0;
  border-top: 1px dashed var(--line);
  list-style: none;
}
ul.cart__trust { display: grid; gap: .55rem; padding-left: 0; }
.cart__trust:not(ul) {
  display: flex; align-items: flex-start; gap: .55em;
  font-size: .82rem; color: var(--ink-soft); line-height: 1.45;
}
.cart__trust li, .cart__trust > div, .cart__trust-item {
  display: flex; align-items: center; gap: .55em;
  font-size: .83rem; color: var(--ink-soft); list-style: none;
}
.cart__trust svg, .cart__trust-item svg { flex: 0 0 16px; margin-top: 1px; color: var(--green-dark); }
/* legacy single-line secure note still styled (older shop.js markup) */
.cart__summary .cart-secure-note { margin-top: 1rem; }

/* summary header alias + cart items header bits */
.cart__summary-title {
  margin: 0 0 1rem; padding-bottom: .9rem; position: relative; font-size: 1.2rem;
  font-family: var(--font-display); font-weight: 800; color: var(--navy);
}
.cart__summary-title::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 52px; height: 3px; border-radius: 999px;
  background: var(--grad-green); box-shadow: var(--glow-green);
}
.cart__title { margin: 0; font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
.cart__count { font-size: .92rem; font-weight: 600; }

/* subscribe-&-save badge on a cart row */
.cart-row__sub-badge {
  display: inline-flex; align-items: center; gap: .4em; width: max-content;
  margin: 0 0 .5rem; padding: .28em .7em; border-radius: 999px;
  font-family: var(--font-display); font-weight: 800; font-size: .68rem;
  letter-spacing: .02em; text-transform: uppercase;
  color: #fff; background: var(--grad-green); box-shadow: var(--glow-green);
}
.cart-row__sub-badge svg { width: 13px; height: 13px; }

/* explicit qty-stepper element classes (contract) — inherit shared look */
.qty-stepper__btn { width: 44px; min-width: 44px; height: 44px; border: 0; background: none; font-size: 1.25rem; line-height: 1; color: var(--navy); cursor: pointer; transition: background .15s ease, color .15s ease; }
.qty-stepper__btn:hover { background: var(--green-light); color: var(--green-dark); }
.qty-stepper__btn:active { background: var(--green); color: #fff; }
.qty-stepper__btn:focus-visible { outline: 2px solid var(--green); outline-offset: -2px; }
.qty-stepper__input { width: 46px; height: 44px; border: 0; border-inline: 1px solid var(--line); text-align: center; font-family: var(--font-display); font-weight: 700; color: var(--navy); font-size: 1rem; -moz-appearance: textfield; }
.qty-stepper__input:focus { outline: 2px solid var(--green); outline-offset: -2px; }

/* remove control: icon + label */
.cart-row__remove span { font: inherit; }

/* gallery caption under the stage */
.pdp-gallery__caption {
  margin: 0; text-align: center;
  font-size: .85rem; color: var(--ink-soft);
  min-height: 1.2em;
}

/* ============================================================
   E) EMPTY CART  —  .cart--empty (delightful, Lulu mascot warm)
   ============================================================ */
/* Empty state shares the `.cart` wrapper class, so reset the 2-col grid. */
.cart--empty {
  display: block !important;
  grid-template-columns: none !important;
  text-align: center; max-width: 560px; margin-inline: auto;
  padding: clamp(28px, 5vw, 56px) clamp(18px, 4vw, 32px);
  position: relative;
}
.cart--empty__halo,
.cart--empty::before {
  content: ""; position: absolute; left: 50%; top: clamp(10px, 3vw, 28px);
  width: clamp(180px, 40vw, 240px); height: clamp(180px, 40vw, 240px);
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(47,168,79,.20), transparent 70%);
  filter: blur(8px); pointer-events: none; z-index: 0;
}
.cart--empty > * { position: relative; z-index: 1; }
.cart--empty__lulu,
.cart--empty .cart-empty__lulu {
  width: clamp(150px, 34vw, 190px); height: clamp(150px, 34vw, 190px);
  /* Now a SINGLE randomized Lulu pose (assets/lulu/poses/) — contain it whole,
     padded inside the circle, never cropped. */
  object-fit: contain; object-position: 50% 60%; padding: 14px;
  border-radius: 50%; margin: 0 auto 1.3rem;
  background:
    radial-gradient(120% 120% at 50% 30%, #fff 0%, var(--green-light) 72%, #DcF1E2 100%);
  border: 4px solid #fff;
  box-shadow: 0 18px 44px rgba(47,168,79,.22), inset 0 -8px 20px rgba(47,168,79,.10);
  animation: cart-lulu-float 5.5s ease-in-out infinite;
}
@keyframes cart-lulu-float {
  0%, 100% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(-8px) rotate(1.5deg); }
}
/* inner wrapper carries no competing width/padding */
.cart--empty .cart-empty { max-width: none; margin: 0; padding: 0; }
.cart--empty h2,
.cart--empty .cart-empty__title { margin: 0 0 .3rem; font-size: clamp(1.5rem, 3.4vw, 2.1rem); }
.cart--empty__quote,
.cart--empty .cart-empty__quote {
  text-align: left; display: inline-block; margin: 1rem auto 1.7rem;
}
.cart--empty .btn,
.cart--empty__cta,
.cart--empty .cart-empty__cta { margin-top: .2rem; }
@media (prefers-reduced-motion: reduce) {
  .cart--empty__lulu, .cart--empty .cart-empty__lulu { animation: none; }
  .pdp-gallery__main, .cart__checkout::before { transition: none; }
}

/* ============================================================
   F) Tablet / desktop breakpoint polish (360/390/768/1280)
   ============================================================ */
@media (max-width: 768px) {
  .pdp-gallery__thumb { width: 64px; height: 64px; flex-basis: 64px; }
}
@media (max-width: 390px) {
  .cart-row__media { width: 72px; height: 72px; }
  .cart .cart-row, .cart__items .cart-row { grid-template-columns: 72px 1fr; }
  .pdp-gallery__nav button { width: 42px; height: 42px; }
}

/* ============================================================
   WHITE PRODUCT-IMAGE STAGES (founder: all LifeBreath images on
   uniform white). Images are now white-bg → stages are pure white
   so the photo blends seamlessly. Appended last → wins the cascade.
   ============================================================ */
.kit-card__media,
.pdp-gallery__stage,
.pdp-gallery__main,
.pdp-gallery__thumb,
.component-tile,
.cart-row__media {
  background: #fff !important;
  background-image: none !important;
}
/* keep the soft floor shadow + frame for depth, just on white */
.pdp-gallery__stage { box-shadow: inset 0 0 0 1px var(--line), var(--shadow) !important; }
.kit-card__media { border-bottom: 1px solid var(--line); }