:root {
  --bone: #F6F1EA; --paper: #FBF8F3; --card: #FFFFFF;
  --ink: #241E1A; --muted: #6E625A; --line: #E4DACE;
  --terra: #A2543A; --terra-d: #87432D; --gold: #B8862B;
  --ok: #3E6B4E; --err: #A23A3A;
  --display: 'Fraunces', Georgia, serif; --body: 'Hanken Grotesk', system-ui, sans-serif;
  --r: 2px; --wrap: 1180px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--body); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; color: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.eyebrow { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.15; margin: 0; letter-spacing: -.01em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* announcement + header */
.announce { background: var(--ink); color: var(--bone); text-align: center; font-size: 13px; letter-spacing: .04em; padding: 9px 16px; }
.site-head { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
/* logo: wordmark + ring "o" (see RING in catalog.js) */
.logo { --logo-gold: #C49A3E; --logo-gem: #FFFFFF; display: inline-flex; flex-direction: column; align-items: flex-start;
  text-decoration: none; color: var(--ink); line-height: 1; }
.logo-word { font-family: 'Cormorant Garamond', Georgia, serif; font-weight: 500; font-size: 38px; letter-spacing: .005em; white-space: nowrap; }
.logo-ring { display: inline-block; width: .56em; height: .78em; margin: 0 .02em 0 .015em; vertical-align: -.025em; overflow: visible; }
.logo-tag { font-size: 10px; letter-spacing: .3em; text-transform: uppercase; color: #9C9086; margin-top: 10px; }
.site-foot .logo { --logo-gold: #D4A853; --logo-gem: #F3E2DC; color: #F3E2DC; }
.site-foot .logo .logo-ring { color: #2C1B2E; }
.site-foot .logo-word { font-size: 44px; }
.head-note { font-size: 13px; color: var(--muted); display: flex; gap: 8px; align-items: center; }

/* product hero */
.pdp { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); gap: 56px; padding-block: 40px 72px; }
.gallery { position: sticky; top: 20px; align-self: start; }
.stage { aspect-ratio: 1; background: var(--bone); border: 1px solid var(--line); overflow: hidden; position: relative; }
.stage > svg, .stage > img, .stage > video { width: 100%; height: 100%; object-fit: cover; display: block; }
.stage-tag { position: absolute; left: 14px; top: 14px; background: rgba(255,255,255,.85); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; padding: 6px 10px; }
.thumbs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-top: 10px; }
.thumb { aspect-ratio: 1; border: 1px solid var(--line); background: var(--bone); padding: 0; cursor: pointer; overflow: hidden; }
.thumb[aria-current="true"] { outline: 2px solid var(--ink); outline-offset: -2px; }
.thumb img, .thumb svg { width: 100%; height: 100%; object-fit: cover; }
.thumb-play { width: 100%; height: 100%; display: grid; place-items: center; background: var(--ink); color: var(--bone); font-size: 18px; }
.ph { width: 100%; height: 100%; display: grid; place-items: center; text-align: center; color: var(--muted);
  background: repeating-linear-gradient(135deg, #EFE6DA 0 12px, #F4ECE2 12px 24px); font-size: 13px; padding: 12px; }
.ph b { display: block; font-family: var(--display); font-weight: 400; font-size: 20px; color: var(--ink); margin-bottom: 4px; }
.thumb .ph { font-size: 10px; } .thumb .ph b { font-size: 12px; }

.buy h1 { font-size: clamp(32px, 4vw, 46px); margin: 10px 0 8px; }
.tagline { color: var(--muted); margin: 0 0 18px; }
.price { font-family: var(--display); font-size: 30px; margin-bottom: 26px; display: flex; align-items: baseline; gap: 12px; }
.price small { font-family: var(--body); font-size: 13px; color: var(--muted); }
.field { border-top: 1px solid var(--line); padding: 20px 0; }
.field-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.field-label { font-weight: 600; font-size: 14px; letter-spacing: .02em; }
.field-label span { font-weight: 400; color: var(--muted); }
.swatches { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.swatch { display: flex; align-items: center; gap: 12px; text-align: left; border: 1px solid var(--line); background: var(--card);
  padding: 12px 14px; cursor: pointer; border-radius: var(--r); transition: border-color .15s; }
.swatch:hover { border-color: var(--terra); }
.swatch[aria-checked="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.swatch .dot { width: 26px; height: 26px; border-radius: 50%; flex: none; box-shadow: inset 0 0 0 1px rgba(0,0,0,.12); }
.swatch .lbl { font-size: 14px; line-height: 1.3; }
.swatch .lbl small { display: block; color: var(--muted); font-size: 12px; }
.name-input { width: 100%; border: 1px solid var(--line); background: var(--card); padding: 14px 16px; font-size: 18px; border-radius: var(--r); outline: none; }
.name-input:focus { border-color: var(--ink); }
.name-input[aria-invalid="true"] { border-color: var(--err); }
.hint { font-size: 13px; color: var(--muted); margin-top: 8px; }
.hint.err { color: var(--err); }
.qty { display: inline-flex; border: 1px solid var(--line); background: var(--card); }
.qty button { width: 44px; height: 44px; border: 0; background: none; cursor: pointer; font-size: 18px; }
.qty button:disabled { opacity: .3; cursor: default; }
.qty output { width: 44px; display: grid; place-items: center; font-weight: 600; }

.btn { display: flex; justify-content: center; align-items: center; gap: 10px; width: 100%; padding: 18px 20px; border: 0; border-radius: var(--r);
  background: var(--ink); color: var(--bone); font-size: 14px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; cursor: pointer;
  text-decoration: none; transition: background .15s; }
.btn:hover { background: var(--terra); }
.btn-ghost { background: none; color: var(--ink); border: 1px solid var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bone); }
.assure { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 8px; font-size: 14px; color: var(--muted); }
.assure li { display: flex; gap: 10px; align-items: center; }
.assure svg { width: 18px; height: 18px; flex: none; color: var(--terra); }

.acc { border-top: 1px solid var(--line); }
.acc:last-of-type { border-bottom: 1px solid var(--line); }
.acc summary { list-style: none; cursor: pointer; padding: 18px 0; display: flex; justify-content: space-between; font-weight: 600; font-size: 14px; letter-spacing: .02em; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: '+'; font-weight: 400; font-size: 20px; line-height: 1; }
.acc[open] summary::after { content: '–'; }
.acc .acc-body { padding: 0 0 20px; color: var(--muted); font-size: 15px; }
.spec { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec th { text-align: left; font-weight: 500; color: var(--ink); padding: 6px 16px 6px 0; width: 36%; vertical-align: top; }
.spec td { padding: 6px 0; }

/* sections */
.band { background: var(--bone); border-block: 1px solid var(--line); padding: 72px 0; }
.sec-head { text-align: center; max-width: 620px; margin: 0 auto 44px; }
.sec-head h2 { font-size: clamp(28px, 3.4vw, 40px); margin-top: 10px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: s; }
.step { background: var(--paper); border: 1px solid var(--line); padding: 28px; }
.step::before { counter-increment: s; content: '0' counter(s); font-family: var(--display); font-size: 34px; color: var(--terra); display: block; margin-bottom: 12px; }
.step h3 { font-size: 22px; margin-bottom: 8px; }
.step p { margin: 0; color: var(--muted); }
.gift { padding: 80px 0 0; }
.gift-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px; align-items: center; }
.gift-copy h2 { font-size: clamp(28px, 3.4vw, 40px); margin: 10px 0 14px; }
.gift-copy p { color: var(--muted); margin: 0; max-width: 420px; }
.gift-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.gift-photos img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border: 1px solid var(--line); }
.finishes { padding: 80px 0; }
.finish-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.finish { text-align: center; text-decoration: none; cursor: pointer; border: 0; background: none; padding: 0; }
.finish .stage { margin-bottom: 14px; transition: transform .25s; }
.finish:hover .stage { transform: translateY(-4px); }
.finish h3 { font-size: 19px; }
.finish p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.faq { padding: 80px 0; }
.faq .wrap { max-width: 780px; }

.site-foot { background: var(--ink); color: #CFC4B8; padding: 56px 0 32px; font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; align-items: start; }
.foot-brand p { margin: 10px 0 18px; max-width: 280px; }
.foot-h { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: #9C9086; }
.foot-legal { border-top: 1px solid #3A322C; margin-top: 40px; padding-top: 20px; font-size: 12px; color: #9C9086; }
.foot-legal p { margin: 0 0 8px; }
.foot-legal-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.foot-legal a { color: #CFC4B8; }
.pay-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pay-chip { border: 1px solid #4A413A; padding: 4px 10px; font-size: 12px; letter-spacing: .06em; color: var(--bone); }

/* sticky mobile buy bar */
.mbar { display: none; }

/* checkout */
.co { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 48px; padding: 40px 0 80px; }
.co h1 { font-size: clamp(28px, 3.2vw, 38px); margin-bottom: 24px; }
.panel { background: var(--card); border: 1px solid var(--line); padding: 24px; }
.line-item { display: block; }
.line-item .stage { aspect-ratio: 1; }
.li-title { font-family: var(--display); font-size: 22px; margin-bottom: 4px; }
.li-meta { font-size: 14px; color: var(--muted); margin: 0 0 4px; }
.li-meta b { color: var(--ink); font-weight: 600; }
.li-row { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; gap: 12px; flex-wrap: wrap; }
.li-edit { font-size: 13px; color: var(--terra); }
.ref { margin-top: 16px; font-size: 12px; color: var(--muted); font-family: ui-monospace, monospace; word-break: break-all; }
.totals { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.totals td { padding: 8px 0; font-size: 15px; }
.totals td:last-child { text-align: right; }
.totals tr.grand td { border-top: 1px solid var(--line); padding-top: 14px; font-family: var(--display); font-size: 24px; }
.notice { border: 1px solid var(--line); background: var(--bone); padding: 14px 16px; font-size: 14px; margin-bottom: 16px; }
.notice.err { border-color: var(--err); color: var(--err); background: #FBF0EE; }
.secure { display: flex; gap: 8px; align-items: center; justify-content: center; margin-top: 14px; font-size: 13px; color: var(--muted); }
/* checkout: payment-first single column */
.co-one { max-width: 460px; margin: 0 auto; padding: 0 0 40px; }
/* payment block fills the first screen with the buttons centred in it (svh = mobile-safe viewport height) */
.co-pay { min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: 24px 0; }
.co-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; }
.co-lock { display: flex; gap: 6px; align-items: center; font-size: 13px; color: var(--muted); }
.co-total { font-size: 15px; color: var(--muted); }
.co-total b { font-family: var(--display); font-weight: 400; font-size: 26px; color: var(--ink); margin-left: 6px; }
.co-sum { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.co-sum-h { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 10px; }
.co-line { display: flex; justify-content: space-between; gap: 12px; margin: 0 0 4px; color: #4A3F38; font-size: 14px; }
.co-meta { margin: 0 0 4px; line-height: 1.5; }
.co-meta b { color: #4A3F38; font-weight: 600; }
.co-row { display: flex; align-items: center; gap: 16px; margin: 10px 0; }
.co-row a, .co-sum a { color: var(--muted); }
.qty-sm button, .qty-sm output { width: 32px; height: 32px; font-size: 14px; }
.co-totals { width: 100%; border-collapse: collapse; margin: 6px 0 12px; }
.co-totals td { padding: 3px 0; }
.co-totals td:last-child { text-align: right; }
.co-ref { font-family: ui-monospace, monospace; font-size: 11px; margin-top: 8px; }
.co-foot { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; padding: 20px 16px 32px; font-size: 12px; }
.co-foot a { color: var(--muted); }
.empty { text-align: center; padding: 100px 16px; }
.empty h1 { margin-bottom: 12px; }
.empty p { color: var(--muted); margin-bottom: 28px; }
.empty .btn { display: inline-flex; width: auto; }


/* nav (header) */
.nav { display: flex; gap: 26px; font-size: 14px; letter-spacing: .02em; }
.nav a { text-decoration: none; color: var(--muted); padding: 6px 0; border-bottom: 1px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.crumbs a { color: var(--muted); }

/* option chips: letters, birthstones, choices */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--line); background: var(--card); border-radius: var(--r); padding: 10px 14px; font-size: 14px; cursor: pointer;
  transition: border-color .15s; line-height: 1.2; }
.chip:hover { border-color: var(--terra); }
.chip[aria-checked="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.chips.invalid .chip { border-color: #E2B8B0; }
.chips-letter { display: grid; grid-template-columns: repeat(9, 1fr); gap: 6px; }
.chip-letter { padding: 0; aspect-ratio: 1; font-family: var(--display); font-size: 18px; display: grid; place-items: center; }
.chips-stone { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.chip-stone { padding: 10px 2px 8px; display: grid; justify-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.chip-stone[aria-checked="true"] { color: var(--ink); }
.gem { width: 18px; height: 22px; background: radial-gradient(circle at 35% 30%, #fff 0 8%, var(--c) 30% 75%, rgba(0,0,0,.45) 100%);
  clip-path: path('M9 0 C 13 6 18 10 18 14 A 9 8 0 0 1 0 14 C 0 10 5 6 9 0 Z'); }
.swatch .dot-heart { border-radius: 0; clip-path: path('M13 24 C 4 17 0 12 0 7 C 0 3 3 0 7 0 C 10 0 12 2 13 4 C 14 2 16 0 19 0 C 23 0 26 3 26 7 C 26 12 22 17 13 24 Z'); box-shadow: none; }

/* shop home */
.hero { padding: 56px 0 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(40px, 5.4vw, 68px); margin: 14px 0 18px; }
.hero h1 em { font-style: italic; color: var(--terra); }
.hero-copy p { color: var(--muted); font-size: 17px; max-width: 460px; margin: 0 0 28px; }
.hero-btn { display: inline-flex; width: auto; padding-inline: 34px; }
.hero-mosaic { display: grid; grid-template-columns: 1.2fr 1fr; grid-template-rows: 1fr 1fr; gap: 14px; aspect-ratio: 1.15; }
.hero-mosaic img { width: 100%; height: 100%; object-fit: cover; border: 1px solid var(--line); }
.hero-mosaic .m1 { grid-row: 1 / 3; }
.shop { padding: 24px 0 88px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); max-width: 820px; margin: 0 auto; }
.card { text-decoration: none; display: block; }
.card-img { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--bone); border: 1px solid var(--line); margin-bottom: 16px; }
.card-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity .35s, transform .6s; }
.card-alt { opacity: 0; }
.card:hover .card-alt { opacity: 1; }
.card:hover .card-img img { transform: scale(1.03); }
.card h3 { font-size: 22px; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
.card-price { font-weight: 600; font-size: 15px; }
.usp { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.usp h3 { font-size: 22px; margin-bottom: 8px; }
.usp p { color: var(--muted); margin: 0 auto; max-width: 300px; }
.more { padding: 0 0 88px; }
.finish-grid-2 { grid-template-columns: repeat(2, 1fr); max-width: 620px; margin: 0 auto; }
.finish-grid-3 { grid-template-columns: repeat(3, 1fr); }
.foot-links { display: grid; gap: 6px; margin: 12px 0 0; }
.foot-links a { text-decoration: none; }
.foot-links a:hover, .foot-links a[aria-current="page"] { text-decoration: underline; color: var(--bone); }

/* info + policy pages */
.page-head { background: var(--bone); border-bottom: 1px solid var(--line); padding: 56px 0 44px; }
.page-head h1 { font-size: clamp(34px, 4.6vw, 54px); margin: 10px 0 12px; }
.page-head p { color: var(--muted); max-width: 640px; margin: 0; font-size: 17px; }
.page-head .updated { font-size: 13px; margin-top: 14px; }
.page-body { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; padding: 48px 16px 88px; }
.page-body.solo { grid-template-columns: minmax(0, 1fr); max-width: 820px; }
.toc { position: sticky; top: 20px; align-self: start; font-size: 14px; }
.toc ol { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 8px; }
.toc a { color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--ink); text-decoration: underline; }
.prose { max-width: 760px; }
.prose h2 { font-size: 28px; margin: 44px 0 14px; scroll-margin-top: 20px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-family: var(--body); font-weight: 600; font-size: 16px; margin: 24px 0 8px; letter-spacing: .01em; }
.prose p, .prose li { color: #4A3F38; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose a { color: var(--terra-d); }
.prose table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; font-size: 15px; background: var(--card); }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 12px 14px; border: 1px solid var(--line); }
.prose th { background: var(--bone); font-weight: 600; }
.prose .box { background: var(--bone); border: 1px solid var(--line); padding: 18px 20px; margin: 20px 0; }
.prose .box p:last-child { margin-bottom: 0; }
.prose .form-text { font-family: ui-monospace, monospace; font-size: 13px; white-space: pre-wrap; background: var(--card); }
.table-scroll { overflow-x: auto; }
mark.todo { background: #FFE58F; color: #5A4300; padding: 0 4px; border-radius: 2px; }

.info-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 0 0 40px; }
.info-card { background: var(--card); border: 1px solid var(--line); padding: 22px; }
.info-card h3 { margin: 0 0 6px; font-family: var(--display); font-weight: 400; font-size: 21px; }
.info-card p { margin: 0; color: var(--muted); font-size: 15px; }
.info-card a { color: var(--terra-d); }

.contact-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 48px; padding: 48px 16px 88px; }
.form-row { display: grid; gap: 6px; margin-bottom: 16px; }
.form-row label { font-weight: 600; font-size: 14px; }
.form-row input, .form-row select, .form-row textarea { width: 100%; border: 1px solid var(--line); background: var(--card); padding: 12px 14px;
  font: inherit; border-radius: var(--r); outline: none; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--ink); }
.form-row textarea { min-height: 150px; resize: vertical; }
.form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.dl { display: grid; grid-template-columns: max-content 1fr; gap: 10px 18px; margin: 0; font-size: 15px; }
.dl dt { font-weight: 600; }
.dl dd { margin: 0; color: #4A3F38; }
.dl a { color: var(--terra-d); }
.help-cats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.help-cats a { border: 1px solid var(--line); background: var(--card); padding: 8px 14px; font-size: 14px; text-decoration: none; border-radius: var(--r); }
.help-cats a:hover { border-color: var(--terra); }
.help-sec h2 { font-size: 26px; margin: 40px 0 8px; scroll-margin-top: 20px; }
.help-sec:first-of-type h2 { margin-top: 0; }
.agree { font-size: 12.5px; color: var(--muted); text-align: center; margin: 12px 0 0; line-height: 1.5; }
.agree a { color: var(--ink); }

@media (max-width: 900px) {
  .site-head .wrap { flex-wrap: wrap; height: auto; padding-block: 14px 0; }
  .nav { order: 3; width: 100%; overflow-x: auto; gap: 20px; padding: 10px 0 8px; white-space: nowrap; scrollbar-width: none; }
  .hero { padding: 28px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .card-grid, .card-grid-2 { grid-template-columns: 1fr 1fr; gap: 16px; }
  .card h3 { font-size: 18px; }
  .usp { grid-template-columns: 1fr; gap: 28px; }
  .chips-letter { grid-template-columns: repeat(7, 1fr); }
  .pdp, .co { grid-template-columns: minmax(0, 1fr); gap: 28px; padding-top: 16px; }
  .swatch { min-width: 0; }
  .gallery { position: static; }
  .steps { grid-template-columns: 1fr; }
  .finish-grid, .finish-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .gift-grid { grid-template-columns: 1fr; gap: 24px; }
  .gift { padding-top: 56px; }
  .head-note { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
  .page-head { padding: 36px 0 30px; }
  .page-body, .contact-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; padding-top: 28px; }
  .toc { position: static; border: 1px solid var(--line); background: var(--card); padding: 16px 18px; }
  .info-cards { grid-template-columns: 1fr; }
  .mbar { display: flex; position: fixed; inset: auto 0 0 0; z-index: 20; background: var(--paper); border-top: 1px solid var(--line);
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); gap: 12px; align-items: center; transform: translateY(110%); transition: transform .25s; }
  .mbar.show { transform: none; }
  .mbar .btn { padding: 14px; }
  .mbar-price { font-family: var(--display); font-size: 20px; white-space: nowrap; }
  body.has-mbar { padding-bottom: 76px; }
}
@media (max-width: 560px) {
  .card-grid { grid-template-columns: 1fr; }
  .chips-stone { grid-template-columns: repeat(4, 1fr); }
  .form-2 { grid-template-columns: 1fr; }
  .dl { grid-template-columns: 1fr; gap: 2px; }
  .dl dd { margin-bottom: 10px; }
}
@media (max-width: 420px) {
  .swatches { grid-template-columns: 1fr; }
}