/* Sterling Aminos: refined white surfaces, warm gold details, and serif typography. */
* { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: 7rem; }
body { margin: 0; color: var(--ink); background: var(--page-bg); font-family: var(--body-font); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--ink); text-underline-offset: 0.25em; }
a:hover { color: var(--gold-dark); }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea, summary { -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--serif-font); font-weight: 400; }
h1, h2 { letter-spacing: -0.035em; line-height: 1.1; }
h2 { font-size: clamp(2.1rem, 4vw, 3.7rem); }
h3 { font-size: 1.5rem; letter-spacing: -0.025em; line-height: 1.25; }
em { font-family: var(--serif-font); font-weight: 400; }
h1 em, h2 em { color: var(--gold); }
.site-shell { width: min(100% - 7rem, 1440px); margin-inline: auto; }
.site-main { min-height: 50vh; }
/* Keep the chains above the sticky header and clipped to the outer site gutters. */
.amino-rain { position: fixed; inset: 0; z-index: 31; pointer-events: none; user-select: none; }
.amino-rain__margin { position: absolute; top: 0; bottom: 0; width: max(3rem, calc(50vw - 728px)); overflow: hidden; }
.amino-rain__margin--left { left: 0; }
.amino-rain__margin--right { right: 0; }
.amino-rain__chain { position: absolute; top: -12rem; left: var(--chain-left); width: min(75%, var(--chain-width)); opacity: 0.75; animation-name: amino-fall; animation-duration: var(--fall-duration); animation-delay: var(--fall-delay); animation-timing-function: linear; animation-iteration-count: infinite; }
.amino-rain__chain img { display: block; width: 100%; height: auto; }
.amino-rain__chain--1 { --chain-left: 8%; --chain-width: 4.5rem; --fall-duration: 14s; --fall-delay: -4s; --chain-tilt: -12deg; --chain-drift: 0.4rem; }
.amino-rain__chain--2 { --chain-left: 48%; --chain-width: 3rem; --fall-duration: 18s; --fall-delay: -13s; --chain-tilt: 10deg; --chain-drift: -0.5rem; }
.amino-rain__chain--3 { --chain-left: 22%; --chain-width: 5rem; --fall-duration: 16s; --fall-delay: -9s; --chain-tilt: -5deg; --chain-drift: 0.65rem; }
.amino-rain__chain--4 { --chain-left: 36%; --chain-width: 3.5rem; --fall-duration: 17s; --fall-delay: -1s; --chain-tilt: 8deg; --chain-drift: -0.35rem; }
.amino-rain__margin--right .amino-rain__chain--1 { --fall-delay: -10s; --chain-tilt: 14deg; }
.amino-rain__margin--right .amino-rain__chain--2 { --fall-delay: -3s; --chain-tilt: -8deg; }
.amino-rain__margin--right .amino-rain__chain--3 { --fall-delay: -15s; --chain-tilt: 6deg; }
.amino-rain__margin--right .amino-rain__chain--4 { --fall-delay: -7s; --chain-tilt: -10deg; }
@keyframes amino-fall {
  0% { transform: translate3d(0, 0, 0) rotate(var(--chain-tilt)); opacity: 0; }
  6%, 94% { opacity: 0.75; }
  50% { transform: translate3d(var(--chain-drift), calc(50vh + 12rem), 0) rotate(calc(var(--chain-tilt) + 8deg)); }
  100% { transform: translate3d(0, calc(100vh + 24rem), 0) rotate(calc(var(--chain-tilt) - 8deg)); opacity: 0; }
}
.skip-link { position: fixed; z-index: 100; top: 1rem; left: 1rem; padding: 0.7rem 1rem; color: var(--page-bg); background: var(--gold); border-radius: 0.5rem; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); color: var(--page-bg); }
.eyebrow, .catalogue-eyebrow { display: flex; align-items: center; gap: 0.65rem; margin-bottom: 1.3rem; color: var(--accent); font-size: 0.68rem; font-weight: 500; letter-spacing: 0.2em; line-height: 1.5; text-transform: uppercase; }
.status-dot { display: inline-block; flex: 0 0 auto; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.announcement-bar { display: flex; align-items: center; justify-content: center; gap: 1.1rem; padding-block: 0.8rem 0.45rem; color: var(--gold-dark); background: var(--page-bg); font-size: 0.65rem; letter-spacing: 0.23em; line-height: 1.4; text-align: center; text-transform: uppercase; }
.announcement-bar .status-dot { color: var(--gold); }
.announcement-bar::before, .announcement-bar::after { content: ""; flex: 1; height: 1px; background: #c9a65d; }
.announcement-bar > span { flex: 0 1 auto; }
.brand:hover { color: var(--ink); }
.brand-second::before, .brand-second::after { content: ""; height: 1px; flex: 1; background: #c9a65d; }
.footer-introduction .brand { font-size: 1.4rem; }
.footer-introduction .brand-mark { width: 27px; height: 50px; }
.footer-introduction .brand-second { font-size: 0.55rem; }
.error-page { max-width: 780px; padding-block: 5rem; }
.error-page h1 { font-size: clamp(2.8rem, 5.7vw, 5rem); }
.error-page > p { color: var(--muted); }
.error-page__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; margin-top: 2rem; }
.error-page__reference { margin-top: 2rem; font-size: 0.75rem; overflow-wrap: anywhere; }
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(250, 247, 240, 0.97); border-bottom: 1px solid transparent; backdrop-filter: blur(16px); }
.site-header .navbar { min-height: 106px; padding-block: 1.1rem; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: 1rem; color: var(--ink); text-decoration: none; font-family: var(--serif-font); font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 400; letter-spacing: 0.16em; line-height: 1; text-transform: uppercase; flex-shrink: 0; }
.brand-second { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; margin-top: 0.65rem; font: 0.7rem/1 var(--body-font); letter-spacing: 0.5em; }
.brand-mark { display: block; width: 36px; height: 68px; flex-shrink: 0; color: var(--gold); }
.site-header .navbar-collapse { justify-content: center; }
.site-header .navbar-nav { gap: clamp(0.85rem, 1.5vw, 1.6rem); }
.site-header .nav-link { position: relative; color: var(--ink); font-family: var(--serif-font); font-size: 1.25rem; font-weight: 400; padding: 0.65rem 0 !important; }
.site-header .nav-link:hover, .site-header .nav-link[aria-current="page"] { color: var(--gold-dark); }
.site-header .nav-link[aria-current="page"]::after { position: absolute; bottom: 0.25rem; left: 0; right: 0; height: 1px; background: var(--gold); content: ""; }
.nav-actions { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }
.nav-icon-button { display: inline-flex; align-items: center; justify-content: center; width: 2.75rem; height: 2.75rem; padding: 0.5rem; border: 1px solid transparent; border-radius: 50%; background: transparent; color: var(--gold); cursor: pointer; transition: background 150ms ease, border-color 150ms ease; }
.nav-icon-button svg { display: block; width: 1.8rem; height: 1.8rem; }
.nav-icon-button:hover, .nav-icon-button[aria-expanded="true"] { border-color: var(--gold-dark); background: var(--surface-raised); }
.nav-cart-button { position: relative; }
.nav-cart-count { position: absolute; top: -0.1rem; right: -0.2rem; display: grid; place-items: center; min-width: 1.3rem; min-height: 1.3rem; padding: 0.1rem 0.3rem; border: 2px solid var(--page-bg); border-radius: 999px; background: var(--gold); color: var(--surface); font-size: 0.65rem; font-weight: 700; line-height: 1.2; }
.nav-account-menu { min-width: 10rem; padding: 0.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 10px 28px #30200d12; }
.nav-account-menu .dropdown-item { padding: 0.65rem 0.8rem; border-radius: 0.45rem; color: var(--ink); font-size: 0.85rem; }
.nav-account-menu .dropdown-item:hover, .nav-account-menu .dropdown-item:focus { color: var(--ink); background: var(--surface-raised); }
.nav-account-menu .dropdown-item:active { color: var(--surface); background: var(--gold); }
.research-button { display: inline-flex; align-items: center; justify-content: center; gap: 1.6rem; min-height: 3.35rem; padding: 0.85rem 1.45rem; border: 1px solid #bb923f; border-radius: 0.3rem; background: linear-gradient(115deg, #bb903d, #e0bf76 53%, #c29946); color: #19150d; font-family: var(--serif-font); font-size: 1.05rem; font-weight: 400; line-height: 1.35; text-decoration: none; box-shadow: inset 0 1px 0 #ffffff55; transition: background 180ms ease, transform 180ms ease, box-shadow 180ms ease; }
.research-button span { font-size: 1.15rem; font-weight: 400; }
.research-button:hover { color: #19150d; background: linear-gradient(115deg, #c49a47, #e8cd92 53%, #cba251); border-color: var(--gold); box-shadow: 0 5px 15px #ae7d261a; transform: translateY(-2px); }
.research-button:disabled { color: #827c72; background: #f0ece4; border-color: var(--line); cursor: not-allowed; transform: none; box-shadow: none; }
.text-link { display: inline-flex; align-items: center; gap: 1.2rem; padding-block: 0.5rem; color: var(--gold-dark); font-size: 0.85rem; font-weight: 500; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.text-link span { font-size: 1.15rem; }
/* Catalogue and its progressively enhanced controls. */
.catalogue-page, .information-page { padding: 3.8rem 0 5.5rem; }
.breadcrumb-trail { display: flex; gap: 0.6rem; align-items: center; margin-bottom: 2rem; color: var(--muted); font-size: 0.72rem; }
.breadcrumb-trail a { text-decoration: none; }
.catalogue-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; padding-bottom: 2.5rem; border-bottom: 1px solid #c9a65d; margin-bottom: 2rem; }
.catalogue-header h1, .information-hero h1 { font-size: clamp(2.8rem, 5.7vw, 5rem); margin: 0; }
.catalogue-introduction { max-width: 39rem; margin: 1.2rem 0 0; color: var(--muted); font-size: 0.9rem; line-height: 1.85; }
.catalogue-summary { display: flex; gap: 1.6rem; flex-shrink: 0; }
.catalogue-summary span { display: grid; gap: 0.15rem; color: var(--muted); font-size: 0.68rem; }
.catalogue-summary strong { font-family: var(--serif-font); font-size: 2rem; line-height: 1.2; color: var(--gold-dark); font-weight: 400; letter-spacing: -0.035em; }
.catalogue-toolbar { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 1rem; margin: 0 0 1.6rem; }
.catalogue-control { display: grid; gap: 0.4rem; }
.catalogue-control > span { font-size: 0.68rem; font-weight: 600; }
.catalogue-control input, .catalogue-control select { min-height: 3rem; padding: 0.65rem 0.9rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); font-size: 0.85rem; max-width: 100%; }
.catalogue-search { flex: 1; min-width: 180px; }
.catalogue-filter { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 2.9rem; padding: 0.6rem; font-size: 0.78rem; cursor: pointer; }
.catalogue-filter input { width: 1rem; height: 1rem; accent-color: var(--gold); }
.catalogue-result-count { display: block; color: var(--muted); font-size: 0.74rem; margin-bottom: 1.25rem; }
.catalogue-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.35rem; margin: 0; padding: 0; list-style: none; }
.catalogue-grid > li { min-width: 0; }
.product-card { display: flex; height: 100%; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 1.25rem; background: var(--surface); transition: border-color 180ms ease, box-shadow 180ms ease; }
.product-card:hover { border-color: #c9a65d; box-shadow: 0 8px 24px #5c421110; }
.product-card--unavailable { filter: grayscale(1); background: #f2f2f2; border-color: #d4d4d4; }
.product-card--unavailable:hover { border-color: #d4d4d4; box-shadow: none; }
.product-card--unavailable > .product-card__media, .product-card--unavailable > .product-card__body { opacity: 0.6; }
.product-card__media { position: relative; display: grid; place-items: center; aspect-ratio: 4 / 5; min-width: 0; overflow: hidden; background: #e8dfdf; isolation: isolate; }
.product-card__media--tone-2 { background: #dfe8ed; }
.product-card__media--tone-3 { background: #e0e5dc; }
.product-card__media--tone-4 { background: #e5e3ed; }
.product-card__media::after { position: absolute; z-index: -1; width: 175px; height: 175px; border: 1px solid #ae7d261a; border-radius: 50%; content: ""; }
.product-card__media:has(.product-card__image:not([hidden]))::after { display: none; }
.product-card__image { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; object-position: 89% center; }
.product-card__image-link { position: absolute; inset: 0; display: grid; place-items: center; color: inherit; text-decoration: none; }
.product-card__image-link:focus-visible { outline-offset: -5px; }
.product-card__monogram { position: relative; display: grid; place-items: center; width: 78px; height: 114px; margin-top: 10px; border: 1px solid #d7d0c3; border-radius: 10px 10px 14px 14px; color: var(--gold); background: linear-gradient(90deg, #dddcd6, #ffffff 25%, #faf9f5 75%, #d9d6d0); box-shadow: 8px 12px 12px #38270b14, inset 0 -7px 0 #e9e6df; font: italic 2.25rem var(--serif-font); transform: rotate(-7deg); }
.product-card__monogram::before { position: absolute; top: -18px; left: 4px; right: 4px; height: 20px; border-radius: 4px 4px 1px 1px; background: repeating-linear-gradient(90deg, #151517 0 4px, #292723 4px 5px); content: ""; }
.product-card__monogram::after { position: absolute; bottom: 20px; left: 13px; right: 13px; height: 1px; background: var(--gold-dark); content: ""; }
.product-card__image-note { position: absolute; bottom: 4rem; left: 0.5rem; right: 0.5rem; text-align: center; color: var(--muted); font-size: 0.65rem; }
.product-card__plus { position: absolute; right: 0.7rem; bottom: 0.7rem; display: grid; place-items: center; width: 2.4rem; height: 2.4rem; padding: 0; border: 1px solid #ffffffb3; border-radius: 50%; background: #ffffffed; color: var(--gold-dark); font-size: 1.6rem; line-height: 1; cursor: pointer; transition: background 150ms ease, color 150ms ease; }
.product-card__plus:hover:not(:disabled) { background: var(--gold-dark); color: white; border-color: var(--gold-dark); }
.product-card__plus:disabled { background: #e0e0e0; color: #777; border-color: #bdbdbd; cursor: not-allowed; }
.product-card__cart-count { position: absolute; left: 0.7rem; bottom: 0.7rem; padding: 0.35rem 0.65rem; border-radius: 999px; background: #ffffffed; color: var(--gold-dark); font-size: 0.72rem; }
.product-card__body { display: flex; flex: 1; min-height: 8rem; flex-direction: column; gap: 0.5rem; padding: 1rem; }
.product-card__product-name { color: var(--muted); font-size: 0.68rem; margin: 0; overflow-wrap: anywhere; }
.product-card__heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.7rem; }
.product-card h2 { min-width: 0; font-size: 1.3rem; letter-spacing: -0.025em; margin: 0; line-height: 1.25; overflow-wrap: anywhere; }
.product-card__footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; margin-top: auto; border-top: 1px solid var(--line); padding-top: 0.65rem; color: var(--muted); font-size: 0.65rem; }
.product-card__footer a { color: var(--gold-dark); text-decoration: none; }
.product-card__footer a:hover { text-decoration: underline; }
.product-card a[aria-disabled="true"] { color: var(--muted); cursor: not-allowed; text-decoration: none; }

.product-overview-page { padding: 3.8rem 0 5.5rem; }
.product-overview-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: clamp(2rem, 5vw, 5rem); }
.product-overview-identity { display: grid; gap: 1.5rem; min-width: 0; }
.product-overview-media { position: relative; display: grid; place-items: center; min-width: 0; aspect-ratio: 3 / 2; overflow: hidden; border: 1px solid var(--line); border-radius: 1.25rem; background: var(--surface-raised); }
.product-overview-image { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: contain; }
.product-overview-monogram { align-self: end; color: var(--gold); font: italic 6rem var(--serif-font); }
.product-overview-media > p { align-self: start; color: var(--muted); font-size: 0.85rem; }
.product-overview-content { padding-block: 1.5rem; }
.product-overview-content h1 { margin: 0 0 1.5rem; font-size: clamp(2.8rem, 5vw, 4.5rem); line-height: 1.1; overflow-wrap: anywhere; }
.product-overview-description { margin-bottom: 2rem; color: var(--muted); line-height: 1.85; white-space: pre-line; overflow-wrap: anywhere; }
.product-overview-facts { margin: 2rem 0; border-top: 1px solid var(--line); }
.product-overview-facts > div { padding-block: 1rem; border-bottom: 1px solid var(--line); }
.product-overview-facts dt { color: var(--muted); font-size: 0.72rem; font-weight: 500; }
.product-overview-facts dd { margin: 0.3rem 0 0; font-size: 0.95rem; overflow-wrap: anywhere; }
.molecular-profile { min-width: 0; padding: clamp(1.25rem, 2.5vw, 2rem); border: 1px solid var(--line); border-top: 2px solid var(--gold-light); border-radius: 1.25rem; background: linear-gradient(145deg, var(--surface) 60%, #fdfaf3); }
.molecular-profile__header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 1.5rem; }
.molecular-profile__eyebrow { margin: 0 0 0.5rem; color: var(--gold-dark); font-size: 0.65rem; font-weight: 500; letter-spacing: 0.18em; line-height: 1.5; text-transform: uppercase; }
.molecular-profile h2 { margin: 0; font-size: clamp(1.8rem, 2.8vw, 2.5rem); line-height: 1.15; }
.molecular-profile__mark { flex-shrink: 0; color: var(--gold); opacity: 0.65; }
.molecular-profile__mark .brand-mark { width: 25px; height: 48px; }
.molecular-profile__facts { margin: 0; }
.molecular-profile__fact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); align-items: baseline; gap: 0.75rem; padding-block: 1rem; border-top: 1px solid var(--line); }
.molecular-profile dt { color: var(--muted); font-size: 0.8rem; font-weight: 400; }
.molecular-profile dd { min-width: 0; margin: 0; color: var(--ink); font-size: 0.95rem; font-weight: 500; overflow-wrap: anywhere; }
.molecular-profile__fact dd { text-align: right; }
.molecular-profile__measurement { display: inline-flex; align-items: baseline; gap: 0.4rem; max-width: 100%; }
.molecular-profile__weight { color: var(--gold-dark); font-family: var(--serif-font); font-size: clamp(1.45rem, 2.4vw, 1.85rem); font-weight: 400; font-variant-numeric: tabular-nums; line-height: 1.3; }
.molecular-profile__unit { color: var(--muted); font-size: 0.75rem; font-weight: 400; white-space: nowrap; }
.molecular-profile .molecular-profile__missing { color: var(--muted); font-size: 0.85rem; font-weight: 400; }
.product-overview-research-note { color: var(--gold-dark); font-size: 0.8rem; }
.product-overview-storage, .product-overview-notice { margin-top: clamp(2rem, 4vw, 4rem); padding: clamp(1.5rem, 3vw, 2.5rem); border: 1px solid var(--line); border-radius: 1.25rem; background: var(--surface); }
.product-overview-storage__eyebrow { margin: 0 0 0.5rem; color: var(--muted); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.18em; line-height: 1.5; text-transform: uppercase; }
.product-overview-storage h2 { margin: 0 0 1.75rem; font-family: var(--body-font); font-size: 1.5rem; font-weight: 600; letter-spacing: -0.025em; line-height: 1.3; }
.product-overview-storage__tags { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0 0 1.5rem; padding: 0; list-style: none; }
.product-overview-storage__tags li { padding: 0.35rem 0.95rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 0.9rem; }
.product-overview-storage__detail { padding: 1rem 1.15rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--surface-raised); }
.product-overview-storage__detail h3 { margin: 0 0 0.35rem; font-family: var(--body-font); font-size: 1rem; font-weight: 600; letter-spacing: normal; line-height: 1.5; }
.product-overview-storage__detail p { margin: 0; color: var(--muted); font-size: 0.95rem; line-height: 1.7; }
.product-overview-storage__note { margin: 1rem 0 0; color: var(--muted); font-size: 0.85rem; line-height: 1.7; }
.product-overview-storage + .product-overview-notice { margin-top: 1.5rem; }
.product-overview-notice h2 { margin: 0 0 1.25rem; color: var(--muted); font-family: var(--body-font); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.18em; line-height: 1.5; text-transform: uppercase; }
.product-overview-notice p { margin: 0 0 1rem; color: var(--muted); font-size: 0.9rem; line-height: 1.85; }
.product-overview-notice p:last-child { margin-bottom: 0; }
.product-overview-notice strong { color: var(--ink); font-weight: 700; }
.product-overview-cart { grid-column: 1 / -1; display: grid; gap: 0.65rem; }
.product-overview-cart .research-button { width: 100%; min-height: 3.5rem; border-radius: 999px; gap: 0.75rem; font-family: inherit; font-size: 0.95rem; font-weight: 600; }
.product-overview-cart .research-button:disabled { background: var(--surface-raised); color: var(--muted); border-color: var(--line); box-shadow: none; cursor: not-allowed; }
.cart-notification { position: fixed; z-index: 1050; right: 1.5rem; bottom: 1.5rem; display: flex; align-items: center; gap: 0.85rem; width: max-content; max-width: min(26rem, calc(100vw - 2rem)); padding: 1rem 1.1rem; border: 1px solid var(--gold-light); border-radius: 1rem; background: var(--surface); box-shadow: 0 8px 32px #38270b26; }
.cart-notification__icon { display: grid; place-items: center; flex: 0 0 2rem; height: 2rem; border-radius: 50%; background: var(--surface-raised); color: var(--gold-dark); font-weight: 600; }
.cart-notification p { margin: 0; color: var(--ink); font-size: 0.9rem; overflow-wrap: anywhere; }
.cart-notification button { display: grid; place-items: center; flex: 0 0 2rem; height: 2rem; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--muted); font-size: 1.4rem; cursor: pointer; }
.cart-notification button:hover { background: var(--surface-raised); color: var(--ink); }
.cart-notification button:focus-visible { outline: 2px solid var(--gold-dark); outline-offset: 2px; }
@media (max-width: 480px) {
  .cart-notification { right: 1rem; bottom: 1rem; }
}
.product-documents { margin-block: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.product-documents h2 { margin-bottom: 1rem; font-size: 1.8rem; }
.product-documents-description { color: var(--muted); font-size: 0.85rem; }
.product-documents-status { margin: 0; color: var(--muted); font-size: 0.85rem; }
.product-variant-picker { display: grid; gap: 0.5rem; margin-block: 2rem; }
.product-variant-purchase { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 1rem 1.5rem; margin-block: 2rem; padding-block: 1.5rem; border-block: 1px solid var(--line); }
.product-variant-purchase .product-variant-picker { margin: 0; }
.product-variant-price { grid-column: 2; grid-row: 1 / span 2; display: grid; justify-items: end; gap: 0.25rem; text-align: right; }
.product-variant-price > span { color: var(--muted); font-size: 0.75rem; }
.product-variant-price strong { color: var(--gold-dark); font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 600; line-height: 1.2; font-variant-numeric: tabular-nums; }
.product-variant-price small { color: var(--muted); font-size: 0.75rem; }
.product-variant-quantity { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.product-variant-quantity > span { font-size: 0.85rem; font-weight: 500; }
.product-quantity-control { display: grid; grid-template-columns: 2.75rem minmax(3rem, auto) 2.75rem; align-items: center; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.product-quantity-control button { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; padding: 0; border: 0; border-radius: 999px; background: transparent; color: var(--gold-dark); font-size: 1.5rem; line-height: 1; cursor: pointer; }
.product-quantity-control button:hover:not(:disabled) { background: var(--surface-raised); }
.product-quantity-control button:focus-visible { outline: 2px solid var(--gold-dark); outline-offset: 3px; }
.product-quantity-control button:disabled { color: var(--muted); opacity: 0.4; cursor: not-allowed; }
.product-quantity-control output { min-width: 3rem; padding-inline: 0.5rem; text-align: center; font-size: 1rem; font-weight: 500; font-variant-numeric: tabular-nums; }
@media (max-width: 480px) {
  .product-variant-purchase { gap: 1rem 0.75rem; }
  .product-variant-purchase .product-variant-picker { grid-column: 1 / -1; }
  .product-variant-price { grid-row: 2; }
  .product-variant-quantity { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}
.product-variant-picker__label { margin: 0; font-size: 0.85rem; font-weight: 500; }
.product-variant-options { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.product-variant-option { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.2rem; flex: 0 0 5rem; width: 5rem; height: 5rem; padding: 0.4rem; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--ink); cursor: pointer; line-height: 1.2; transition: border-color 150ms ease, background 150ms ease, color 150ms ease; }
.product-variant-option:hover { border-color: var(--gold); background: var(--surface-raised); }
.product-variant-option[aria-pressed="true"] { border-color: var(--gold-dark); background: var(--gold-dark); color: #fff; }
.product-variant-option:focus-visible { outline: 2px solid var(--gold-dark); outline-offset: 3px; }
.product-variant-option__amount { font-size: 1.2rem; font-weight: 500; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.product-variant-option__unit { font-size: 0.75rem; overflow-wrap: anywhere; }
.product-document-list { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; }
.product-document-button { display: block; width: 100%; padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); text-align: left; font-size: 0.9rem; overflow-wrap: anywhere; cursor: pointer; transition: border-color 150ms ease, background 150ms ease; }
.product-document-button:hover:not(:disabled) { border-color: var(--gold); background: var(--surface-raised); }
.product-document-button:focus-visible { outline: 2px solid var(--gold-dark); outline-offset: 3px; }
.product-document-button:disabled { color: var(--muted); opacity: 0.6; cursor: not-allowed; }

.product-coas { width: 100%; max-width: 60rem; margin: clamp(2.5rem, 5vw, 4.5rem) auto 0; }
.product-overview-articles { width: 100%; max-width: 60rem; margin: 2rem auto; }
.product-overview-articles .product-document-list { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 0.75rem; }
.product-overview-articles .product-document-list > li { min-width: 0; max-width: 100%; }
.product-overview-articles .product-document-button { width: auto; max-width: 100%; min-height: 3.25rem; padding: 0.85rem 1.5rem; border-radius: 999px; text-align: center; }
.product-overview-return { width: 100%; max-width: 60rem; margin: 0 auto; }
.product-coa-panel { overflow: hidden; border: 1px solid var(--line); border-top: 2px solid var(--gold-light); border-radius: 1.25rem; background: var(--surface); }
.product-coa-panel__summary { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: 1rem; padding: 1.5rem 1.75rem; list-style: none; cursor: pointer; }
.product-coa-panel__summary::-webkit-details-marker, .product-coa-batch__summary::-webkit-details-marker { display: none; }
.product-coa-panel__summary:hover { background: var(--surface-raised); }
.product-coa-panel__summary:focus-visible, .product-coa-batch__summary:focus-visible { outline-offset: -5px; }
.product-coa-panel__icon { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border: 1px solid var(--gold-light); border-radius: 50%; background: var(--surface-raised); color: var(--gold-dark); }
.product-coa-panel__eyebrow { margin: 0 0 0.35rem; color: var(--gold-dark); font-size: 0.65rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; }
.product-coa-panel__heading h2 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.product-coa-panel__count { padding: 0.3rem 0.75rem; border: 1px solid var(--gold-light); border-radius: 999px; background: var(--surface-raised); color: var(--gold-dark); font-size: 0.75rem; white-space: nowrap; }
.product-coa-panel__summary::after, .product-coa-batch__summary::after { display: block; width: 0.55rem; height: 0.55rem; margin: 0 0.2rem 0.25rem; border-right: 1.5px solid var(--gold-dark); border-bottom: 1.5px solid var(--gold-dark); content: ""; transform: rotate(45deg); }
.product-coa-panel[open] > .product-coa-panel__summary::after, .product-coa-batch[open] > .product-coa-batch__summary::after { margin-bottom: 0; transform: rotate(225deg); }
.product-coa-panel__content { border-top: 1px solid var(--line); }
.product-coa-panel__description { margin: 0; padding: 1rem 1.75rem; color: var(--muted); font-size: 0.8rem; }
.product-coa-panel__content > .product-documents-status:not([hidden]) { padding: 0 1.75rem 1.5rem; }
.product-coa-batches, .product-coa-batch__documents { margin: 0; padding: 0; list-style: none; }
.product-coa-batch { border-top: 1px solid var(--line); }
.product-coa-batch__summary { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 1rem; padding: 1.1rem 1.75rem; list-style: none; cursor: pointer; }
.product-coa-batch__summary:hover, .product-coa-batch[open] > .product-coa-batch__summary { background: var(--surface-raised); }
.product-coa-batch__number { font-size: 0.9rem; font-weight: 600; letter-spacing: 0.025em; overflow-wrap: anywhere; }
.product-coa-batch[open] .product-coa-batch__number { color: var(--gold-dark); }
.product-coa-batch__count { color: var(--muted); font-size: 0.75rem; white-space: nowrap; }
.product-coa-batch__documents { display: grid; gap: 0.6rem; padding: 0 1.75rem 1.25rem; background: var(--surface-raised); }
.product-coa-batch__documents .product-document-button { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-radius: 0.65rem; }
.product-coa-document__name { min-width: 0; overflow-wrap: anywhere; }
.product-coa-document__action { flex-shrink: 0; color: var(--gold-dark); font-size: 0.75rem; white-space: nowrap; }
.product-coa-batch__documents .product-document-button:disabled .product-coa-document__action { color: var(--muted); }
@media (max-width: 480px) {
  .product-coa-panel__summary { grid-template-columns: minmax(0, 1fr) auto; gap: 0.75rem; padding: 1.25rem; }
  .product-coa-panel__icon { display: none; }
  .product-coa-panel__count { grid-column: 1; grid-row: 2; width: fit-content; }
  .product-coa-panel__summary::after { grid-column: 2; grid-row: 1 / span 2; }
  .product-coa-panel__description { padding-inline: 1.25rem; }
  .product-coa-panel__content > .product-documents-status:not([hidden]) { padding-inline: 1.25rem; }
  .product-coa-batch__summary { gap: 0.6rem; padding: 1rem 1.25rem; }
  .product-coa-batch__documents { padding-inline: 1.25rem; }
  .product-coa-batch__documents .product-document-button { align-items: flex-start; flex-direction: column; gap: 0.4rem; }
}

html.pdf-preview-open { overflow: hidden; }
.pdf-preview { width: min(80rem, calc(100% - 2rem)); height: min(60rem, calc(100dvh - 2rem)); max-width: none; max-height: none; margin: auto; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 1.25rem; background: var(--surface); color: var(--ink); box-shadow: 0 24px 80px #18171433; }
.pdf-preview[open] { display: flex; flex-direction: column; }
.pdf-preview::backdrop { background: #18171480; backdrop-filter: blur(4px); }
.pdf-preview__header { display: flex; align-items: center; flex-shrink: 0; gap: 1rem; padding: 1.1rem 1.25rem; border-bottom: 1px solid var(--line); }
.pdf-preview__icon { flex-shrink: 0; color: var(--muted); }
.pdf-preview__heading { flex: 1; min-width: 0; }
.pdf-preview__heading h2 { margin: 0; font-family: var(--body-font); font-size: 1.05rem; font-weight: 600; letter-spacing: normal; line-height: 1.4; }
.pdf-preview__heading p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pdf-preview__download { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; gap: 0.6rem; min-height: 2.75rem; padding: 0.55rem 1rem; border: 1px solid var(--line); border-radius: 0.75rem; background: var(--surface); color: var(--ink); font-size: 0.9rem; font-weight: 500; cursor: pointer; }
.pdf-preview__download:hover { border-color: var(--gold); background: var(--surface-raised); }
.pdf-preview__close { display: grid; place-items: center; flex-shrink: 0; width: 2.75rem; height: 2.75rem; padding: 0; border: 0; border-radius: 0.5rem; background: transparent; color: var(--muted); font-size: 1.8rem; line-height: 1; cursor: pointer; }
.pdf-preview__close:hover { background: var(--surface-raised); color: var(--ink); }
.pdf-preview__body { flex: 1; min-height: 0; background: #f3f3f5; }
.pdf-preview__frame { display: block; width: 100%; height: 100%; border: 0; }
.pdf-preview__footer { display: flex; justify-content: flex-end; flex-wrap: wrap; flex-shrink: 0; gap: 0.5rem 1rem; padding: 0.6rem 1.25rem; border-top: 1px solid var(--line); font-size: 0.75rem; }
.pdf-preview__footer a { color: var(--gold-dark); }
.pdf-preview__status { flex: 1; margin: 0; color: var(--muted); }
@media (max-width: 480px) {
  .pdf-preview { width: calc(100% - 1rem); height: calc(100dvh - 1rem); border-radius: 1rem; }
  .pdf-preview__header { gap: 0.5rem; padding: 0.75rem; }
  .pdf-preview__icon { display: none; }
  .pdf-preview__heading h2 { font-size: 0.9rem; }
  .pdf-preview__download { gap: 0.35rem; padding-inline: 0.65rem; font-size: 0.8rem; }
}

/* Native modal dialogs keep the picker on this page with focus trapping and Escape handling. */
html.product-variants-open { overflow: hidden; }
.product-variants-dialog { width: min(34rem, calc(100% - 2rem)); max-height: calc(100dvh - 2rem); margin: auto; padding: 1.75rem; overflow-y: auto; border: 1px solid var(--line); border-radius: 1.25rem; background: var(--surface); color: var(--ink); box-shadow: 0 24px 80px #18171433; }
.product-variants-dialog::backdrop { background: #18171466; backdrop-filter: blur(4px); }
.product-variants-dialog__header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.product-variants-dialog__header .catalogue-eyebrow { margin-bottom: 0.65rem; }
.product-variants-dialog h2 { margin: 0; font-size: 2rem; overflow-wrap: anywhere; }
.product-variants-dialog__close { flex-shrink: 0; display: grid; place-items: center; width: 2.5rem; height: 2.5rem; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--gold-dark); font-size: 1.6rem; line-height: 1; cursor: pointer; }
.product-variants-dialog__close:hover { background: var(--surface-raised); border-color: var(--gold); }
.product-variants-dialog__description, .product-variants-dialog__empty { margin: 1rem 0 0; color: var(--muted); font-size: 0.82rem; }
.product-variants-list { margin: 1.4rem 0 0; padding: 0; list-style: none; }
.product-variant-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--line); }
.product-variant-row__details { min-width: 0; overflow-wrap: anywhere; }
.product-variant-row h3 { margin: 0; font-size: 1.2rem; }
.product-variant-row p { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.75rem; }
.product-variant-row__quantity { display: block; margin-top: 0.3rem; color: var(--gold-dark); font-size: 0.7rem; }
.product-variant-row__price { font-size: 0.95rem; font-weight: 500; color: var(--gold-dark); font-variant-numeric: tabular-nums; }
.product-variant-row__add { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; min-height: 2.75rem; padding: 0.4rem 0.8rem; border: 1px solid var(--line); border-radius: 999px; background: var(--surface-raised); color: var(--gold-dark); font-size: 0.8rem; cursor: pointer; }
.product-variant-row__add > span:first-child { font-size: 1.3rem; line-height: 1; }
.product-variant-row__add:hover { border-color: var(--gold); background: #f7eedb; }
.product-variant-row__add:disabled { color: var(--muted); opacity: 0.5; cursor: not-allowed; }
@media (max-width: 480px) {
  .product-variants-dialog { padding: 1.25rem; }
  .product-variant-row { grid-template-columns: minmax(0, 1fr) auto; gap: 0.5rem 0.75rem; }
  .product-variant-row__add { grid-column: 2; grid-row: 1 / span 2; }
  .product-variant-row__price { grid-column: 1; }
}
.catalogue-empty { display: flex; align-items: center; gap: 1.5rem; padding: 3rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-raised); }
.catalogue-empty__image { display: grid; width: 4.5rem; height: 4.5rem; flex-shrink: 0; place-items: center; border-radius: 50%; border: 1px solid #dcc797; background: #fbf5e7; color: var(--gold-dark); font: italic 1.5rem var(--serif-font); }
.catalogue-empty h2 { font-size: 1.75rem; }
.catalogue-empty p:last-child { margin: 0; color: var(--muted); font-size: 0.87rem; }
.catalogue-empty .eyebrow, .catalogue-empty .catalogue-eyebrow { margin-bottom: 0.65rem; }
.catalogue-reset { padding: 0.6rem 0; background: none; border: 0; text-decoration: underline; text-underline-offset: 4px; color: var(--ink); font-size: 0.8rem; }

/* Supporting pages share the same type, spacing, and surfaces. */
.information-hero { max-width: 850px; margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 1px solid #c9a65d; }
.information-hero > p:last-child { max-width: 670px; margin: 1.4rem 0 0; color: var(--muted); font-size: 0.95rem; line-height: 1.85; }
.about-introduction { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: center; gap: clamp(2rem, 5vw, 5rem); margin-bottom: 3.5rem; }
.about-hero h1 { margin: 0 0 1.5rem; font-size: clamp(3rem, 5.7vw, 5rem); }
.about-lead { max-width: 55ch; margin-bottom: 1rem; color: var(--muted); font-size: 1.05rem; line-height: 1.85; }
.about-promise { padding: clamp(1.6rem, 3.5vw, 3rem); border: 1px solid var(--line); border-top: 2px solid #c9a65d; border-radius: var(--radius); background: var(--surface-raised); }
.about-promise > p { margin-bottom: 1.3rem; color: var(--accent); font-size: 0.85rem; }
.about-promise > strong { display: block; font-family: var(--serif-font); font-size: clamp(1.75rem, 3.2vw, 2.8rem); font-weight: 400; letter-spacing: -0.035em; line-height: 1.25; }
.about-promise > strong > span { display: block; }
.about-promise em { color: var(--accent); }
.about-documentation { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr); align-items: start; gap: 3rem; padding-block: 2.5rem; margin-bottom: 3.5rem; border-block: 1px solid var(--line); }
.about-documentation h2 { margin: 0; font-size: clamp(1.7rem, 2.8vw, 2.5rem); line-height: 1.2; }
.about-body-text { max-width: 65ch; margin: 0; color: var(--muted); font-size: 0.95rem; line-height: 1.85; }
.about-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: 1.75rem; }
.about-section-heading h2 { margin: 0; font-size: clamp(2rem, 3.5vw, 3rem); }
.about-section-heading > p { max-width: 32rem; }
.about-principles-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1rem; margin: 0; padding: 0; list-style: none; }
.about-principles-grid > li { grid-column: span 2; padding: clamp(1.4rem, 2.5vw, 2rem); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.about-principles-grid > li:nth-child(n+4) { grid-column: span 3; }
.about-principle-number { display: inline-grid; place-items: center; width: 2.35rem; height: 2.35rem; margin-bottom: 1.25rem; border: 1px solid #d8bf8e; border-radius: 50%; color: var(--accent); background: var(--surface); font-size: 0.72rem; font-weight: 500; }
.about-principles-grid h3 { margin-bottom: 0.65rem; font-size: 1.4rem; }
.about-principles-grid p { max-width: 48ch; margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.8; }
.about-story-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; margin-top: 3.5rem; }
.about-story-grid > section { padding: clamp(1.6rem, 3.5vw, 3rem); border-radius: var(--radius); }
.about-story-grid h2 { margin-bottom: 1.5rem; font-size: clamp(1.9rem, 3vw, 2.7rem); line-height: 1.15; }
.about-story-grid p:not(.catalogue-eyebrow) { font-size: 0.95rem; line-height: 1.85; }
.about-story-grid p:last-child { margin-bottom: 0; }
.about-research { border: 1px solid var(--line); background: linear-gradient(135deg, #faf6ed, var(--surface)); color: var(--ink); }
.about-research .catalogue-eyebrow { color: var(--gold-dark); }
.about-research p:not(.catalogue-eyebrow) { color: var(--muted); }
.about-why { border: 1px solid var(--line); background: var(--surface-raised); }
.about-why p:not(.catalogue-eyebrow) { color: var(--muted); }
.about-why strong { color: var(--ink); }
.about-signoff { display: flex; align-items: center; justify-content: center; gap: 1.2rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.about-signoff p { max-width: 45rem; margin: 0; font-size: 0.95rem; line-height: 1.8; }
.about-signoff strong { font-weight: 500; }
.legal-notice { display: flex; align-items: center; gap: 1.5rem; padding: 2rem; margin-bottom: 1.5rem; border: 1px solid var(--line); border-left: 3px solid #c9a65d; background: linear-gradient(135deg, #faf6ed, var(--surface)); color: var(--ink); border-radius: var(--radius); }
.legal-notice__mark { display: grid; place-items: center; flex: 0 0 4rem; width: 4rem; height: 4rem; border: 1px solid #cfb27a; background: var(--surface); color: var(--gold-dark); border-radius: 50%; font: italic 1.7rem var(--serif-font); }
.legal-notice h2, .legal-contact-callout h2 { margin: 0; font-size: 1.6rem; }
.legal-notice p { max-width: 850px; margin: 0.6rem 0 0; color: var(--muted); font-size: 0.86rem; line-height: 1.85; }
.legal-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.legal-sections article { padding: 2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.legal-sections article > span { font: 0.7rem monospace; color: var(--accent); }
.legal-sections h2 { margin: 1rem 0 0.8rem; font-size: 1.5rem; }
.legal-sections p { margin: 0; color: var(--muted); font-size: 0.86rem; line-height: 1.85; }
.legal-contact-callout { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 1.5rem; padding: 2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-raised); }
.legal-contact-callout .catalogue-eyebrow { margin-bottom: 0.6rem; }
.legal-contact-callout .research-button { flex-shrink: 0; }
.privacy-dates { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; margin: 1.5rem 0 0; }
.privacy-dates dt { margin-bottom: 0.3rem; color: var(--muted); font-size: 0.7rem; font-weight: 500; }
.privacy-dates dd { margin: 0; font-size: 0.82rem; }
.privacy-download { margin: 0 0 1.5rem; }
.privacy-download p:last-child, .privacy-contact-note { max-width: 42rem; margin: 0.8rem 0 0; color: var(--muted); font-size: 0.85rem; line-height: 1.8; }
.privacy-policy-note { max-width: 52rem; margin: 1.5rem 0 0; color: var(--muted); font-size: 0.8rem; line-height: 1.8; }
.contact-layout { display: grid; grid-template-columns: 0.78fr 1.4fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.contact-introduction { padding: clamp(1.8rem, 4vw, 3rem); border-right: 1px solid var(--line); background: linear-gradient(155deg, #faf6ed, #fff 90%); }
.contact-introduction h2 { font-size: clamp(1.9rem, 3vw, 2.65rem); }
.contact-introduction > p:not(.catalogue-eyebrow) { color: var(--muted); font-size: 0.85rem; line-height: 1.9; margin-top: 1.5rem; }
.contact-status { display: flex; align-items: center; gap: 0.6rem; margin-top: 2.5rem; font-size: 0.75rem; color: var(--gold-dark); }
.contact-status span { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); flex-shrink: 0; }
.contact-form { display: grid; gap: 1.3rem; padding: clamp(1.8rem, 4vw, 3rem); }
.contact-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.contact-form__field { display: grid; gap: 0.5rem; min-width: 0; }
.contact-form__field label { font-size: 0.78rem; font-weight: 600; }
.contact-form__field label span { font-weight: 400; color: var(--muted); }
.contact-form__field input, .contact-form__field select, .contact-form__field textarea { width: 100%; padding: 0.85rem 0.9rem; border: 1px solid #dcd5c9; border-radius: var(--radius); background: var(--page-bg); color: var(--ink); font-size: 0.9rem; }
.contact-form__field textarea { min-height: 9rem; resize: vertical; }
.contact-form__field input:focus, .contact-form__field select:focus, .contact-form__field textarea:focus { border-color: var(--gold); }
.contact-form__footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.contact-form__footer p { max-width: 18rem; margin: 0; color: var(--muted); font-size: 0.72rem; }
.contact-form__footer button { flex-shrink: 0; }
.contact-form [role="status"] { margin: 0; padding: 1rem; border: 1px solid #d9c292; border-radius: var(--radius); background: #faf5e8; color: #74521d; }
.validation-summary-valid, .field-validation-valid { display: none; }
.validation-summary-errors, .field-validation-error { color: var(--danger); }
.validation-summary-errors ul { margin: 0; padding-left: 1.2rem; }
.contact-form__field .input-validation-error { border-color: var(--danger); }
.text-danger { color: var(--danger) !important; }
.catalogue-control input:focus, .catalogue-control select:focus { border-color: var(--gold); }
.site-footer { padding: 3.5rem 0 1.5rem; border-top: 1px solid #c9a65d; background: var(--page-bg); }
.footer-top { display: grid; grid-template-columns: 1.4fr 0.8fr 1fr 1.1fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer-introduction > p { margin: 1.5rem 0 0; color: var(--muted); font-size: 0.8rem; line-height: 1.9; }
.footer-label { margin-bottom: 1rem; color: var(--gold-dark); font-size: 0.68rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; }
.footer-top nav a { display: block; width: fit-content; margin-bottom: 0.65rem; color: var(--muted); text-decoration: none; font-size: 0.8rem; }
.footer-top nav a:hover { color: var(--ink); text-decoration: underline; }
.footer-note { padding-left: 1.7rem; border-left: 1px solid var(--line); }
.footer-note .eyebrow { font-size: 0.62rem; margin-bottom: 0.8rem; }
.footer-note p { margin: 0; color: var(--muted); font-size: 0.73rem; line-height: 1.85; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.64rem; }

/* Shared cart drawer; Bootstrap provides the backdrop, focus trap, and Escape handling. */
.cart-drawer { --bs-offcanvas-width: min(460px, 100vw); --bs-offcanvas-bg: var(--surface); --bs-offcanvas-color: var(--ink); --bs-offcanvas-border-color: var(--line); }
.cart-drawer .offcanvas-header { gap: 1rem; padding: 1.7rem; border-bottom: 1px solid var(--line); }
.cart-drawer .eyebrow { margin-bottom: 0.65rem; }
.cart-drawer h2 { margin: 0; font-size: 2.3rem; }
.cart-close { flex-shrink: 0; width: 2.75rem; height: 2.75rem; border: 1px solid var(--line); border-radius: 50%; color: var(--gold); background: transparent; font-size: 1.8rem; line-height: 1; }
.cart-close:hover, .cart-item-button:hover { border-color: var(--gold); background: var(--surface-raised); }
.cart-drawer .offcanvas-body { padding: 0 1.7rem; }
.cart-empty { display: grid; justify-items: start; gap: 1rem; padding: 2.5rem 0; }
.cart-empty h3, .cart-empty p { margin: 0; }
.cart-empty p { color: var(--muted); font-size: 0.9rem; }
.cart-items { list-style: none; padding: 0; margin: 0; }
.cart-item { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 1rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.cart-item-picture { position: relative; display: grid; place-items: center; height: 90px; overflow: hidden; border: 1px solid var(--line); border-radius: 0.6rem; background: var(--page-bg); color: var(--gold); font: 1.7rem var(--serif-font); }
.cart-item-picture > .cart-item-image { position: absolute; inset: 0; display: block; width: 100%; height: 100%; max-width: 100%; max-height: 100%; object-fit: cover; object-position: 89% center; background: var(--surface-raised); }
.cart-item-body { min-width: 0; overflow-wrap: anywhere; }
.cart-item h3 { margin-bottom: 0.35rem; font-size: 1.05rem; }
.cart-item-variant { margin-bottom: 0.6rem; color: var(--muted); font-size: 0.75rem; }
.cart-item-price { color: var(--gold-dark); font-size: 0.95rem; font-variant-numeric: tabular-nums; }
.cart-item-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; }
.cart-item-button { min-width: 2.5rem; min-height: 2.5rem; border: 1px solid var(--line); border-radius: 0.45rem; background: var(--page-bg); color: var(--ink); }
.cart-item-button:disabled { opacity: 0.45; cursor: not-allowed; }
.cart-item-quantity { min-width: 1.5rem; text-align: center; font-variant-numeric: tabular-nums; }
.cart-item-remove { margin-left: auto; border-color: transparent; background: transparent; color: var(--muted); font-size: 0.75rem; text-decoration: underline; }
.cart-summary { flex-shrink: 0; padding: 1.5rem 1.7rem max(1.5rem, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: var(--page-bg); }
.cart-summary > div { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; }
.cart-summary strong { color: var(--gold-dark); font-variant-numeric: tabular-nums; }
.cart-summary p { margin: 0.65rem 0 1.25rem; color: var(--muted); font-size: 0.75rem; }
.cart-summary .research-button { width: 100%; }


@media (max-width: 1100px) {
  .amino-rain__margin { width: 1.75rem; }
  .site-shell { width: calc(100% - 4rem); }
  .catalogue-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-top { gap: 1.5rem; }
  .contact-form__footer { align-items: flex-start; flex-direction: column; }
}
@media (min-width: 992px) {
  .site-header .navbar { display: grid; grid-template-columns: minmax(220px, 1fr) auto minmax(110px, 1fr); gap: 1rem; }
  .site-header .navbar > .brand { justify-self: start; }
  .site-header .navbar-collapse { grid-column: 2; }
  .site-header .nav-actions { justify-self: end; }
  .site-header .nav-link { white-space: nowrap; }
}
@media (max-width: 1100px) and (min-width: 992px) {
  .site-header .nav-link { font-size: 1rem; }
  .site-header .navbar-nav { gap: 0.85rem; }
  .site-header .brand { font-size: 1.4rem; gap: 0.65rem; }
}
@media (max-width: 991px) {
  .about-section-heading { align-items: flex-start; flex-direction: column; gap: 1rem; }
  .about-principles-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-principles-grid > li, .about-principles-grid > li:nth-child(n+4) { grid-column: auto; }
  .about-principles-grid > li:last-child { grid-column: 1 / -1; }
  .about-story-grid { grid-template-columns: 1fr; }
  .site-header .navbar { min-height: 78px; gap: 0; }
  .site-header .navbar-collapse { order: 3; padding: 1rem 0 0.5rem; }
  .site-header .navbar-nav { align-items: center; gap: 0; text-align: center; }
  .nav-actions { margin-left: auto; gap: 0.25rem; }
  .site-header .nav-link { padding: 0.85rem 0 !important; }
  .site-header .nav-link[aria-current="page"]::after { left: calc(50% - 1rem); right: auto; width: 2rem; }
  .navbar-toggler { padding: 0.4rem; border: 1px solid var(--line); border-radius: 0.6rem; }
  .navbar-toggler-icon { width: 1.35rem; height: 1.35rem; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 7h16M4 12h16M4 17h16' stroke='%23d5b46b' stroke-width='1.5'/%3E%3C/svg%3E"); }
  .privacy-page .legal-contact-callout { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 767px) {
  .product-overview-page { padding: 2rem 0 3.5rem; }
  .product-overview-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .product-overview-identity { display: contents; }
  .molecular-profile { order: 1; }
  .product-overview-content { padding-block: 0; }
  .amino-rain__margin { width: 1rem; }
  .about-introduction, .about-documentation { grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 2.5rem; }
  .about-documentation { padding-block: 2rem; }
  .about-story-grid { margin-top: 2.5rem; }
  .about-signoff { align-items: flex-start; }
  html { scroll-padding-top: 6rem; }
  .site-shell { width: calc(100% - 2.5rem); }
  .catalogue-page, .information-page { padding: 2rem 0 3.5rem; }
  .catalogue-header { align-items: flex-start; flex-direction: column; }
  .catalogue-summary { gap: 2rem; }
  .catalogue-grid { gap: 1rem; }
  .product-card__body { padding: 0.75rem 1.1rem; }
  .product-card h2 { font-size: 1.2rem; }
  .legal-sections, .contact-layout { grid-template-columns: 1fr; }
  .legal-contact-callout { align-items: flex-start; flex-direction: column; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-note { padding: 0; border: 0; }
}
@media (max-width: 480px) {
  .amino-rain__margin { width: 0.75rem; }
  .about-principles-grid { grid-template-columns: 1fr; }
  .site-shell { width: calc(100% - 2rem); }
  .announcement-bar { font-size: 0.49rem; letter-spacing: 0.13em; gap: 0.5rem; }
  .brand { font-size: 1.15rem; gap: 0.45rem; }
  .brand-mark { width: 23px; height: 43px; }
  .brand-second { font-size: 0.5rem; gap: 0.45rem; margin-top: 0.45rem; letter-spacing: 0.35em; }
  .nav-actions { gap: 0.1rem; }
  .nav-icon-button { width: 2.25rem; height: 2.5rem; padding: 0.4rem; }
  .nav-icon-button svg { width: 1.5rem; height: 1.5rem; }
  .site-header .navbar { min-height: 76px; }
  .contact-introduction { border-right: 0; border-bottom: 1px solid var(--line); }
  .catalogue-grid { grid-template-columns: 1fr; }
  .catalogue-control { width: 100%; }
  .catalogue-toolbar { gap: 0.7rem; }
  .catalogue-filter { padding-left: 0; }
  .catalogue-empty, .legal-notice { align-items: flex-start; flex-direction: column; padding: 1.5rem; }
  .contact-form__row { grid-template-columns: 1fr; }
  .footer-top { column-gap: 1rem; }
  .footer-introduction, .footer-note { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  /* Keep the explicitly requested falling chains active. */
  *:not(.amino-rain__chain), *::before, *::after { animation: none !important; }
  .product-card:hover, .research-button:hover { transform: none; }
}