/* Bio₃ Ozone — preview site v1. Tokens mirror brand/guidelines.md (section 4). */
:root {
  --ink: #142033;
  --night: #0D1626;
  --paper: #FAF7F2;
  --linen: #F1ECE4;
  --stone: #D9D2C6;
  --muted: #5A6475;
  --ozone: #2557B8;
  --ozone-deep: #1B4290;
  --aurora: #6A4BD1;
  --sky: #9DB8F0;
  --gold: #B8913A;
  --evoo: #4C7A2A;
  --coconut: #B8406A;
  --castor: #6A3E9E;
  --mist: #C9CFDA;        /* secondary text on night */
  --ozone-tint: #F3F6FD;  /* safety callout background */

  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Poppins", "Helvetica Neue", Arial, sans-serif;

  --r-input: 10px;
  --r-card: 16px;
  --r-pill: 999px;
  --wrap: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--ozone); text-underline-offset: 3px; }
a:hover { color: var(--ozone-deep); }
:focus-visible { outline: 2px solid var(--ozone); outline-offset: 3px; border-radius: 4px; }
.site-footer :focus-visible, .section--night :focus-visible { outline-color: var(--sky); }
b, strong { font-weight: 600; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.35rem; }
h1 em, h2 em { font-style: italic; color: var(--ozone); }
p { margin: 0 0 1em; }
sub { font-size: 0.6em; line-height: 0; vertical-align: -0.28em; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section--linen { background: var(--linen); }
.section--night { background: var(--night); color: var(--paper); }
.section--night a { color: var(--sky); }
.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ozone); margin: 0 0 12px;
}
.section--night .eyebrow { color: var(--sky); }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 62ch; }
.section--night .lede { color: var(--mist); }
.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--paper); padding: 8px 12px; z-index: 100; }

/* Draft banner + "To confirm" tags (remove at launch) */
.draft-banner {
  background: #FFF1C2; color: #5A4300; font-size: 14px; text-align: center; padding: 8px 16px;
  border-bottom: 1px solid #E8D48A;
}
.tbd {
  display: inline-block; background: #FFF1C2; color: #5A4300; border: 1px solid #E8D48A;
  font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 0.02em;
  padding: 2px 8px; border-radius: var(--r-pill); vertical-align: middle; font-style: normal;
}

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(250, 247, 242, 0.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--stone); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 40px; height: 40px; }
.brand-word { display: flex; flex-direction: column; line-height: 1; }
.brand-word b { font-family: var(--serif); font-weight: 600; font-size: 24px; }
.brand-word span { font-size: 10px; font-weight: 500; letter-spacing: 0.42em; margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ozone); }
.nav-toggle { display: none; background: none; border: 1.5px solid var(--ink); border-radius: var(--r-pill); padding: 8px 16px; font: 500 14px var(--sans); color: var(--ink); min-height: 44px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--stone); padding: 8px 20px 20px; }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--linen); }
  .nav .btn { margin-top: 12px; text-align: center; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 26px; border-radius: var(--r-pill);
  font: 600 15px var(--sans); text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--ozone); color: #fff; }
.btn-primary:hover { background: var(--ozone-deep); color: #fff; }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: var(--paper); }
.btn-sm { min-height: 44px; padding: 0 18px; font-size: 14px; }
.btn[disabled], .btn[aria-disabled="true"] { background: var(--stone); color: var(--muted); cursor: not-allowed; border-color: transparent; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 28px; }
.text-link { font-weight: 500; padding: 12px 4px; }

/* Hero */
.hero { padding: 72px 0 88px; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero-photo { margin: 0; width: 100%; max-width: 580px; justify-self: center; }
.hero-photo img { width: 100%; border-radius: 24px; }
figcaption { font-size: 13px; color: var(--muted); text-align: center; margin-top: 10px; }
@media (max-width: 860px) {
  .hero { padding: 40px 0 64px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 32px; }
}

/* Grids & cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px; align-items: center; }
@media (max-width: 860px) { .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 20px; } }
.card { background: var(--linen); border-radius: var(--r-card); padding: 28px; }
.section--linen .card { background: var(--paper); }
.card h3 { margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.icon-dot { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--paper); margin-bottom: 16px; }
.section--linen .icon-dot { background: var(--linen); }

/* Feature product */
.feature { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; background: var(--linen); border-radius: 24px; padding: 40px; }
.feature-art { background: var(--paper); border-radius: var(--r-card); padding: 24px; margin: 0; }
.feature-art img { width: 100%; max-width: 340px; height: auto; margin: 0 auto; border-radius: 12px; }
.lineup { margin: 32px 0 0; }
.lineup img { width: 100%; border-radius: 24px; }
@media (max-width: 860px) { .feature { grid-template-columns: 1fr; padding: 24px; gap: 24px; } }
.price-from { font-size: 1.1rem; color: var(--muted); }
.price-from strong { color: var(--ink); font-size: 1.5rem; font-family: var(--serif); }
.size-list { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; }
.size-list li { display: flex; justify-content: space-between; border-bottom: 1px solid var(--stone); padding-bottom: 8px; }

/* Scents */
.scents { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-top: 32px; }
.scent { background: var(--paper); border: 1px solid var(--stone); border-radius: var(--r-card); padding: 16px 18px; }
.scent b { display: block; font-family: var(--serif); font-size: 1.1rem; }
.scent span { color: var(--muted); font-size: 15px; }

/* Steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; padding: 0; list-style: none; }
.steps li { counter-increment: step; padding-top: 16px; border-top: 2px solid var(--ozone); }
.steps li::before { content: "0" counter(step); display: block; font-family: var(--serif); font-size: 2rem; color: var(--ozone); margin-bottom: 4px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* Product page */
.product { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; padding: 48px 0 80px; }
@media (max-width: 860px) { .product { grid-template-columns: 1fr; gap: 28px; padding-top: 24px; } }
.product-gallery { background: var(--linen); border-radius: 24px; padding: 24px; align-self: start; margin: 0; }
.product-gallery img { width: 100%; border-radius: 16px; margin: 0 auto; }
.product-gallery img + img { margin-top: 16px; }
.product-gallery .gallery-portrait { max-width: 360px; }
.product-gallery figcaption { margin-top: 12px; }
.breadcrumb { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.breadcrumb a { color: var(--muted); }
.price { font-family: var(--serif); font-size: 2rem; margin: 4px 0 20px; }
fieldset { border: 0; padding: 0; margin: 0 0 24px; }
legend { font-weight: 600; font-size: 15px; margin-bottom: 10px; padding: 0; }
legend small { font-weight: 400; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span {
  display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 16px;
  border: 1.5px solid var(--stone); border-radius: var(--r-pill); background: var(--paper);
  font-size: 15px; cursor: pointer; transition: border-color .15s ease, background-color .15s ease;
}
.chip span em { font-style: normal; font-size: 12px; color: var(--muted); }
.chip input:checked + span { background: var(--ozone); border-color: var(--ozone); color: #fff; }
.chip input:checked + span em { color: #DCE6FA; }
.chip input:focus-visible + span { outline: 2px solid var(--ozone); outline-offset: 2px; }
.chip span:hover { border-color: var(--ink); }
.qty { display: inline-flex; align-items: center; border: 1.5px solid var(--stone); border-radius: var(--r-pill); }
.qty button { width: 44px; height: 44px; background: none; border: 0; font-size: 20px; cursor: pointer; color: var(--ink); border-radius: var(--r-pill); }
.qty output { min-width: 32px; text-align: center; font-weight: 600; }
.buy-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 8px; }
.buy-row .btn { flex: 1 1 220px; }
.checkout-note { font-size: 14px; color: var(--muted); margin-top: 10px; }
.scent-note { font-size: 14px; color: var(--muted); min-height: 1.6em; margin-top: -12px; margin-bottom: 20px; }

details { border-top: 1px solid var(--stone); }
details:last-of-type { border-bottom: 1px solid var(--stone); }
summary { list-style: none; cursor: pointer; padding: 18px 0; font-weight: 600; display: flex; justify-content: space-between; align-items: center; min-height: 44px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 22px; font-weight: 400; color: var(--ozone); }
details[open] summary::after { content: "−"; }
details > div { padding: 0 0 20px; color: var(--ink); }
details ul { padding-left: 1.2em; margin: 0 0 1em; }
.safety { background: var(--ozone-tint); border-left: 3px solid var(--ozone); border-radius: 0 var(--r-input) var(--r-input) 0; padding: 16px 18px; }

/* FAQ */
.faq { max-width: 760px; margin: 32px auto 0; }

/* Coming soon */
.coming { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 24px; }
.coming span { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: var(--r-pill); background: var(--paper); border: 1px solid var(--stone); font-size: 15px; }
.coming i { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }

/* Page header (inner pages) */
.page-head { padding: 64px 0 24px; }
.prose { max-width: 70ch; }
.prose h2 { margin-top: 1.6em; font-size: 1.8rem; }
.placeholder-photo { aspect-ratio: 4 / 3; border-radius: var(--r-card); background: repeating-linear-gradient(45deg, var(--linen), var(--linen) 12px, var(--paper) 12px, var(--paper) 24px); display: grid; place-items: center; color: var(--muted); font-size: 14px; border: 1px dashed var(--stone); text-align: center; padding: 16px; }

/* Footer */
.site-footer { background: var(--night); color: var(--mist); padding: 64px 0 32px; font-size: 15px; }
.site-footer a { color: var(--paper); text-decoration: none; }
.site-footer a:hover { color: var(--sky); text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font: 600 13px var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); margin: 0 0 12px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-brand img { width: 170px; margin-bottom: 16px; }
.disclaimer { border-top: 1px solid rgba(250, 247, 242, 0.12); margin-top: 48px; padding-top: 24px; font-size: 13px; line-height: 1.6; color: var(--mist); }

/* Brand page */
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; margin-top: 24px; }
.swatch { border-radius: var(--r-card); overflow: hidden; border: 1px solid var(--stone); background: #fff; }
.swatch div { height: 88px; }
.swatch p { margin: 0; padding: 10px 12px; font-size: 13px; line-height: 1.4; }
.swatch b { display: block; font-size: 14px; }
.logo-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
@media (max-width: 860px) { .logo-tiles { grid-template-columns: 1fr; } }
.logo-tile { border-radius: var(--r-card); padding: 40px 24px; display: grid; place-items: center; min-height: 200px; border: 1px solid var(--stone); }
.logo-tile img { max-height: 96px; width: auto; }
.logo-tile.dark { background: var(--night); border-color: var(--night); }
.logo-tile.linen { background: var(--linen); }
.type-specimen { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 24px; }
@media (max-width: 860px) { .type-specimen { grid-template-columns: 1fr; } }
.do-dont { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
@media (max-width: 640px) { .do-dont { grid-template-columns: 1fr; } }
.do-dont .card h3 { font-family: var(--sans); font-size: 15px; letter-spacing: .1em; text-transform: uppercase; }
.do-dont h3 { color: var(--ink); }
.do-dont ul { margin: 0; padding-left: 1.2em; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--stone); vertical-align: top; }
th { font-weight: 600; }
.table-scroll { overflow-x: auto; margin-top: 24px; }

/* Product cards (shop page + homepage collection) */
.product-grid { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 960px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .product-grid { grid-template-columns: 1fr; } }
.product-card a { display: flex; flex-direction: column; height: 100%; padding: 16px 16px 20px; border-radius: var(--r-card); background: var(--paper); color: var(--ink); text-decoration: none; border: 1px solid var(--stone); transition: border-color .15s ease; }
.section--linen .product-card a { border-color: transparent; }
.product-card a:hover { border-color: var(--ozone); }
.card-img { display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 5; overflow: hidden; margin-bottom: 16px; }
.card-img img { width: 100%; height: 100%; object-fit: contain; }
.product-card h2, .product-card h3 { font-size: 1.25rem; margin: 0 0 6px; display: flex; align-items: center; gap: 8px; }
.swatch-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.card-meta { font-size: 14px; color: var(--muted); line-height: 1.5; flex: 1; }
.card-price { margin-top: 12px; font-weight: 600; }
.photo-note { font-size: 13px; color: var(--muted); text-align: center; margin-top: 16px; }
th[scope="row"] { font-weight: 600; white-space: nowrap; }

/* Video revision, 2026-10-23. Existing brand palette and typography retained. */
[hidden] { display: none !important; }
html { scroll-padding-top: 100px; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }
.brand .brand-lockup { width:148px; height:auto; }
.site-header .wrap { max-width:1440px; }
.nav { gap:16px; margin-left:auto; }
.nav a { font-size:13px; }
.cart-trigger { flex-shrink:0; gap:8px; }
.cart-trigger span { background:var(--ink); color:var(--paper); border-radius:50%; min-width:24px; font-size:13px; }
.hero--botanical { background:var(--linen); padding:64px 0; }
.hero--botanical h1 { max-width:13ch; }
.hero--botanical .hero-photo img { aspect-ratio: 1 / 1; object-fit:cover; border-radius:var(--r-card); }
.popular-badge { display:inline-flex; align-self:flex-start; background:var(--ozone-tint); color:var(--ozone-deep); border:1px solid var(--sky); padding:6px 12px; border-radius:var(--r-pill); font:600 13px var(--sans); margin:12px 0; }
.quick-shop { display:grid; grid-template-columns:1fr 1.2fr; gap:64px; align-items:center; }
.bundle-card { background:var(--paper); padding:32px; border:1px solid var(--stone); border-radius:var(--r-card); margin:0 0 32px; }
.bundle-card h2 { font-size:24px; }
.bundle-card p { font-size:15px; }
.bundle-card .eyebrow { font-size:12px; }
.bundle-buy { display:flex; justify-content:space-between; gap:16px; align-items:center; margin-top:20px; }
.bundle-buy strong { font:600 32px var(--serif); white-space:nowrap; }
.plan-label { display:grid; gap:8px; font-size:15px; font-weight:500; }
select,input,textarea { width:100%; font:400 16px var(--sans); color:var(--ink); background:var(--paper); border:1px solid var(--stone); border-radius:var(--r-input); padding:12px; }
select { min-height:48px; }
.purchase-plan { border-top:1px solid var(--stone); padding-top:16px; }
.chips { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); }
.chip { min-width:0; }
.chip span { display:flex; justify-content:center; padding:10px 12px; height:100%; text-align:center; flex-wrap:wrap; font-size:14px; }
.purchase-plan .chips { grid-template-columns:repeat(2,minmax(0,1fr)); }
.size-gallery { position:sticky; top:96px; }
.bottle-window { height:420px; width:240px; max-width:100%; overflow:hidden; position:relative; margin:auto; background:var(--linen); border-radius:var(--r-card); }
.bottle-window img { position:absolute; width:auto; max-width:none; height:500px; top:-20px; border-radius:0; }
.bottle-10 { width:90px; }
.bottle-10 img { left:-22px; }
.bottle-30 { width:130px; }
.bottle-30 img { left:-88px; }
.bottle-60 { width:145px; }
.bottle-60 img { left:-195px; }
.castor-dmso.bottle-10 img { left:-4px; }
.castor-dmso.bottle-30 img { left:-64px; }
.castor-dmso.bottle-60 img { left:-170px; }
.selected-size { text-align:center; font-weight:500; margin:16px 0; }
.gallery-tabs { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; }
.gallery-tabs button { font-size:12px; padding:0 12px; }
.gallery-tabs [aria-pressed="true"] { color:var(--paper); background:var(--ozone); border-color:var(--ozone); }
/* Independent geometry and eager loading avoid the zero-size lazy image failure shown on iPhone. */
.card-img { display:block; position:relative; width:100%; height:auto; aspect-ratio:4/5; flex-shrink:0; background:var(--linen); border-radius:var(--r-input); }
.card-img img { position:absolute; inset:0; display:block; width:100%; height:100%; object-fit:contain; }
.product-card a { min-width:0; }
.product-card h2,.product-card h3 { align-items:flex-start; line-height:1.35; }
.swatch-dot { margin-top:8px; }
.cart-dialog { width:min(620px,calc(100% - 24px)); max-height:90dvh; border:1px solid var(--stone); border-radius:var(--r-card); padding:28px; background:var(--paper); color:var(--ink); }
.cart-dialog::backdrop { background:rgba(13,22,38,.55); }
.cart-heading { display:flex; justify-content:space-between; gap:16px; align-items:start; }
.cart-heading h2 { margin:0; }
.cart-line { padding:20px 0; border-top:1px solid var(--stone); }
.cart-line h3 { font-size:20px; }
.cart-line p { margin-bottom:4px; font-size:14px; }
.cart-controls { display:flex; align-items:center; gap:12px; flex-wrap:wrap; margin-top:12px; }
.cart-controls strong { margin-left:auto; }
.remove-line { font:400 14px var(--sans); border:0; color:var(--ozone); background:none; text-decoration:underline; cursor:pointer; min-height:44px; }
.cart-total { font-weight:600; border-top:1px solid var(--stone); padding-top:16px; }
#cart-review { margin-top:24px; border-top:1px solid var(--stone); padding-top:24px; }
.contact-layout { display:grid; grid-template-columns:1fr 1.2fr; gap:64px; }
.contact-form { display:grid; gap:20px; }
.contact-form label { display:grid; gap:8px; font-weight:500; font-size:15px; }
.contact-form textarea { resize:vertical; }
#contact-status:empty { display:none; }
.care-section { padding-top:24px; }
.care-list { padding-left:24px; }
.care-list li { padding:12px 0; }
.care-list h2 { font-size:24px; }
.mobile-buy { display:none; }
@media(min-width:861px) and (max-width:1150px) { .nav { gap:10px; } .nav a { font-size:12px; } .brand .brand-lockup { width:120px; } }
@media(max-width:860px) {
 .site-header .wrap { min-height:72px; gap:10px; }
 .brand { margin-right:auto; }
 .brand .brand-lockup { width:124px; }
 .nav-toggle { order:3; padding:8px 14px; }
 .nav a { font-size:16px; }
 .cart-trigger { padding:0 12px; }
 .quick-shop,.contact-layout { grid-template-columns:1fr; gap:24px; }
 .bundle-card { padding:24px; margin-bottom:0; }
 .size-gallery { position:static; }
 .section { padding:56px 0; }
 .hero--botanical { padding:40px 0; }
 .hero--botanical h1 { max-width:16ch; }
 .hero--botanical .hero-photo img { aspect-ratio:4/3; }
 .mobile-buy.is-visible { display:flex; position:fixed; bottom:0; left:0; right:0; align-items:center; justify-content:space-between; gap:12px; padding:12px 20px calc(12px + env(safe-area-inset-bottom)); background:var(--paper); border-top:1px solid var(--stone); z-index:25; }
 .mobile-buy span { font-weight:600; }
 body:has(.mobile-buy) { padding-bottom:88px; }
 .chips { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .purchase-plan .chips { grid-template-columns:1fr; }
}
@media(max-width:400px) { .bundle-buy { flex-wrap:wrap; } .bundle-buy .btn { width:100%; } .cart-controls { gap:8px; } .cart-dialog { padding:20px; } }
@media(prefers-reduced-motion:no-preference) { html { scroll-behavior:smooth; } .btn,.product-card a { transition:background-color .18s,border-color .18s,transform .18s; } .product-card a:hover { transform:translateY(-3px); } }
.hero--botanical .bundle-card { margin:28px 0 0; padding:24px; }
.bundle-buy strong { font-size:24px; white-space:normal; }
/* Tight windows exclude neighboring bottles in the source lineup. */
.glycerin-dmso.bottle-10 { width:62px; }
.glycerin-dmso.bottle-10 img { left:-25px; }
.glycerin-dmso.bottle-30 { width:104px; }
.glycerin-dmso.bottle-30 img { left:-90px; }
.glycerin-dmso.bottle-60 { width:128px; }
.glycerin-dmso.bottle-60 img { left:-196px; }
.castor-dmso.bottle-10 { width:62px; }
.castor-dmso.bottle-10 img { left:-3px; }
.castor-dmso.bottle-30 { width:100px; }
.castor-dmso.bottle-30 img { left:-68px; }
.castor-dmso.bottle-60 { width:133px; }
.castor-dmso.bottle-60 img { left:-171px; }