.js-reveal .reveal{opacity:0;transform:translateY(18px);transition:opacity 0.7s var(--ease-out),transform 0.7s var(--ease-out);will-change:opacity,transform}.js-reveal .reveal.is-visible{opacity:1;transform:none;will-change:auto}@media (prefers-reduced-motion:reduce){.js-reveal .reveal{opacity:1;transform:none}}.section{padding-block:clamp(3.5rem,9vh,6.5rem)}.section__eyebrow{font-family:var(--font-mono);font-size:0.6875rem;font-weight:700;letter-spacing:0.24em;text-transform:uppercase;color:var(--gold-500)}.section__title{margin-top:0.85rem;font-family:var(--font-display);font-size:clamp(1.6rem,1.2rem + 1.9vw,2.6rem);font-weight:400;letter-spacing:-0.01em;color:var(--bone)}.section__lede{margin-top:1.1rem;max-width:62ch;color:var(--bone-2);font-size:1.0625rem}.page-head{padding-block:clamp(2.5rem,7vh,4.5rem) clamp(1rem,2vh,2rem)}.page-head__title{margin-top:0.85rem;font-family:var(--font-display);font-size:clamp(2rem,1.4rem + 2.8vw,3.4rem);font-weight:400;letter-spacing:-0.015em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;min-height:2.875rem;padding:0.75rem 1.75rem;border-radius:999px;font-family:var(--font-mono);font-size:0.8125rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;transition:transform 0.25s var(--ease),box-shadow 0.35s var(--ease),background-color 0.25s var(--ease),color 0.25s var(--ease),border-color 0.25s var(--ease)}.btn:active{transform:translateY(1px)}.btn--gold{background:linear-gradient(135deg,var(--gold-200),var(--gold-500) 62%,var(--gold-700));color:#17120a;box-shadow:0 6px 24px -10px rgba(201,162,39,0.7)}.btn--gold:hover{box-shadow:0 10px 34px -10px rgba(201,162,39,0.85);transform:translateY(-1px)}.btn--ghost{border:1px solid var(--ink-line-2);color:var(--bone-2)}.btn--ghost:hover{border-color:var(--gold-500);color:var(--gold-200)}.btn[disabled],.btn[aria-disabled="true"]{opacity:0.55;pointer-events:none}.spinner{width:1rem;height:1rem;border:2px solid rgba(23,18,10,0.35);border-top-color:#17120a;border-radius:50%;animation:spin 0.7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.controls{margin-top:clamp(1.75rem,4vh,2.5rem);display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(1rem,3vw,2.5rem)}.controls__group{display:flex;align-items:center;gap:0.75rem;flex-wrap:wrap;justify-content:center}.controls__label{font-family:var(--font-mono);font-size:0.625rem;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;color:var(--muted)}.chipset{display:flex;flex-wrap:wrap;gap:0.375rem;justify-content:center}.chip{display:inline-flex;align-items:center;min-height:2.125rem;padding:0.3rem 0.75rem;border:1px solid var(--ink-line);border-radius:999px;background:rgba(255,255,255,0.015);font-family:var(--font-mono);font-size:0.75rem;font-weight:700;letter-spacing:0.08em;color:var(--bone-2);transition:border-color 0.25s var(--ease),color 0.25s var(--ease),background-color 0.25s var(--ease)}.chip:hover{border-color:var(--gold-700);color:var(--gold-200)}.chip.is-active{border-color:var(--gold-500);background:rgba(201,162,39,0.1);color:var(--gold-100)}.sparkline{margin:clamp(1.5rem,4vh,2.25rem) auto 0;width:min(100%,640px);color:var(--flat)}.sparkline.is-up{color:var(--up)}.sparkline.is-down{color:var(--down)}.sparkline svg{width:100%;height:clamp(56px,9vw,90px);overflow:visible}.sparkline__line{stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 2s var(--ease-out) 0.25s forwards}@keyframes draw{to{stroke-dashoffset:0}}.sparkline__dot{animation:dot-in 0.5s var(--ease-out) 2.1s backwards}@keyframes dot-in{from{opacity:0;transform:scale(0);transform-origin:center}}.sparkline__caption{margin-top:0.6rem;font-family:var(--font-mono);font-size:0.625rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--muted);text-align:center}@media (prefers-reduced-motion:reduce){.sparkline__line{stroke-dashoffset:0;animation:none}.sparkline__dot{animation:none}}.hero__unavailable{margin-top:2.5rem;max-width:48ch;padding:2rem;border:1px solid var(--ink-line-2);border-radius:1rem;background:rgba(255,255,255,0.018)}.hero__unavailable-title{font-family:var(--font-display);font-size:1.375rem;color:var(--gold-200)}.hero__unavailable-body{margin-top:0.75rem;color:var(--bone-2);font-size:0.9375rem}.hero__unavailable .btn{margin-top:1.5rem}.ticker{position:relative;border-block:1px solid var(--ink-line);background:rgba(255,255,255,0.012);padding-block:0.875rem}.ticker__mask{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}.ticker__track{display:flex;width:max-content;animation:ticker-scroll var(--ticker-duration,45s) linear infinite}.ticker:hover .ticker__track,.ticker:focus-within .ticker__track{animation-play-state:paused}@keyframes ticker-scroll{from{transform:translate3d(0,0,0)}to{transform:translate3d(-50%,0,0)}}.ticker__list{display:flex}.ticker__item{display:inline-flex;align-items:baseline;gap:0.5rem;padding-inline:clamp(1rem,2.5vw,1.75rem);border-right:1px solid var(--ink-line);font-family:var(--font-mono);font-size:0.8125rem;white-space:nowrap;color:var(--flat)}.ticker__item.is-up{color:var(--up)}.ticker__item.is-down{color:var(--down)}.ticker__code{font-weight:700;letter-spacing:0.14em;color:var(--gold-500)}.ticker__price{font-weight:500;font-variant-numeric:tabular-nums;color:var(--bone)}.ticker__delta{display:inline-flex;align-items:center;gap:0.3rem;font-weight:700;font-variant-numeric:tabular-nums}@media (prefers-reduced-motion:reduce){.ticker__track{animation:none}.ticker__mask{overflow-x:auto;-webkit-mask-image:none;mask-image:none}.ticker__list:last-child{display:none}}.stats__grid{display:grid;gap:1px;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));background:var(--ink-line);border:1px solid var(--ink-line);border-radius:1rem;overflow:hidden}.stats__item{padding:clamp(1.5rem,3vw,2.25rem);background:var(--ink);text-align:center}.stats__label{font-family:var(--font-mono);font-size:0.625rem;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;color:var(--muted)}.stats__value{margin-top:0.6rem;font-family:var(--font-display);font-size:clamp(1.5rem,1.2rem + 1.2vw,2rem);color:var(--gold-200)}.stats__note{margin-top:0.4rem;font-size:0.8125rem;color:var(--bone-2)}.karats__wrap{margin-top:2.25rem;border:1px solid var(--ink-line);border-radius:1rem;overflow-x:auto;-webkit-overflow-scrolling:touch}.karats__table{width:100%;min-width:26rem;border-collapse:collapse;font-family:var(--font-mono)}.karats__table th,.karats__table td{padding:0.95rem 1.25rem;text-align:left;border-bottom:1px solid var(--ink-line)}.karats__table tbody tr:last-child th,.karats__table tbody tr:last-child td{border-bottom:0}.karats__table thead th{font-size:0.625rem;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;color:var(--muted);background:rgba(255,255,255,0.02)}.karats__karat{font-size:1rem;font-weight:700;color:var(--gold-300)}.karats__purity{color:var(--bone-2);font-size:0.875rem}.karats__price{font-size:1rem;font-weight:700;color:var(--bone);font-variant-numeric:tabular-nums;text-align:right}.karats__table thead th:last-child{text-align:right}.karats__table tbody tr{transition:background-color 0.2s var(--ease)}.karats__table tbody tr:hover{background:rgba(201,162,39,0.05)}.methodology__list{margin-top:2.75rem;display:grid;gap:2.25rem}.methodology__item{display:grid;grid-template-columns:auto 1fr;gap:1.25rem;padding-bottom:2.25rem;border-bottom:1px solid var(--ink-line)}.methodology__item:last-child{border-bottom:0;padding-bottom:0}.methodology__index{font-family:var(--font-mono);font-size:0.75rem;font-weight:700;letter-spacing:0.1em;color:var(--gold-700);padding-top:0.35rem}.methodology__title{font-family:var(--font-display);font-size:clamp(1.125rem,1rem + 0.6vw,1.375rem);font-weight:500;color:var(--gold-100)}.methodology__body p{margin-top:0.75rem;color:var(--bone-2)}.faq__list{margin-top:2.5rem;border-top:1px solid var(--ink-line)}.faq__item{border-bottom:1px solid var(--ink-line)}.faq__question{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding-block:1.35rem;cursor:pointer;list-style:none;font-family:var(--font-display);font-size:clamp(1.0625rem,1rem + 0.4vw,1.25rem);color:var(--bone);transition:color 0.25s var(--ease)}.faq__question::-webkit-details-marker{display:none}.faq__question:hover{color:var(--gold-200)}.faq__icon{position:relative;flex:0 0 auto;width:14px;height:14px}.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--gold-500);transition:transform 0.3s var(--ease),opacity 0.3s var(--ease)}.faq__icon::before{top:6px;left:0;width:14px;height:1.5px}.faq__icon::after{left:6px;top:0;width:1.5px;height:14px}.faq__item[open] .faq__icon::after{transform:scaleY(0);opacity:0}.faq__answer{padding-bottom:1.5rem}.faq__answer p{max-width:68ch;color:var(--bone-2)}.faq__item[open] .faq__answer{animation:faq-open 0.35s var(--ease-out)}@keyframes faq-open{from{opacity:0;transform:translateY(-6px)}}.cta__inner{padding:clamp(2.25rem,5vw,3.5rem);border:1px solid var(--ink-line);border-radius:1.25rem;background:radial-gradient(120% 140% at 50% 0%,rgba(201,162,39,0.1),transparent 62%),rgba(255,255,255,0.015);text-align:center}.cta__title{font-family:var(--font-display);font-size:clamp(1.5rem,1.2rem + 1.4vw,2.125rem);font-weight:400}.cta__body{margin:1rem auto 1.75rem;max-width:52ch;color:var(--bone-2)}.breadcrumbs{padding-top:1.5rem}.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem;font-family:var(--font-mono);font-size:0.6875rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted)}.breadcrumbs__item{display:inline-flex;align-items:center;gap:0.5rem}.breadcrumbs__item a{display:inline-flex;align-items:center;min-height:1.5rem;transition:color 0.2s var(--ease)}.breadcrumbs__item a:hover{color:var(--gold-300)}.breadcrumbs__item [aria-current]{color:var(--bone-2)}.breadcrumbs__sep{color:var(--ink-line-2)}.contact__grid{display:grid;gap:clamp(2rem,5vw,4rem);grid-template-columns:1fr;align-items:start}@media (min-width:60em){.contact__grid{grid-template-columns:20rem 1fr}}.contact__aside-title{font-family:var(--font-mono);font-size:0.6875rem;font-weight:700;letter-spacing:0.24em;text-transform:uppercase;color:var(--gold-500)}.contact__details{margin:1.5rem 0 0;display:grid;gap:0.35rem}.contact__details dt{font-family:var(--font-mono);font-size:0.625rem;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;color:var(--muted)}.contact__details dd{margin:0 0 1.1rem}.contact__details dd a{color:var(--gold-200);border-bottom:1px solid rgba(224,196,124,0.3);padding-bottom:1px;transition:border-color 0.25s var(--ease);word-break:break-word}.contact__details dd a:hover{border-bottom-color:var(--gold-300)}.contact__note{margin-top:2rem;padding-top:2rem;border-top:1px solid var(--ink-line)}.contact__note h3{font-family:var(--font-display);font-size:1.0625rem;font-weight:500;color:var(--bone)}.contact__note p{margin-top:0.6rem;font-size:0.875rem;color:var(--bone-2)}.contact__form-wrap{padding:clamp(1.5rem,4vw,2.5rem);border:1px solid var(--ink-line);border-radius:1.25rem;background:rgba(255,255,255,0.015)}.form__row{display:grid;gap:1.25rem}@media (min-width:40em){.form__row{grid-template-columns:1fr 1fr}}.form__field{margin-bottom:1.25rem}.form__row .form__field{margin-bottom:0}.form__row + .form__field{margin-top:1.25rem}.form__label{display:block;margin-bottom:0.5rem;font-family:var(--font-mono);font-size:0.625rem;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;color:var(--bone-2)}.form__input{width:100%;padding:0.875rem 1rem;border:1px solid var(--ink-line-2);border-radius:0.625rem;background:rgba(0,0,0,0.35);color:var(--bone);font-size:1rem;transition:border-color 0.25s var(--ease),box-shadow 0.25s var(--ease)}.form__input::placeholder{color:var(--muted)}.form__input:focus{outline:none;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(201,162,39,0.16)}.form__input.is-invalid{border-color:var(--down)}.form__input.is-invalid:focus{box-shadow:0 0 0 3px rgba(224,121,108,0.16)}.form__textarea{resize:vertical;min-height:9rem;line-height:1.65}.form__hint,.form__error{margin-top:0.45rem;font-size:0.8125rem}.form__hint{color:var(--muted)}.form__error{color:var(--down);min-height:0}.form__error:empty{display:none}.form__trap{position:absolute !important;left:-9999px !important;width:1px;height:1px;overflow:hidden}.form__actions{display:flex;flex-wrap:wrap;align-items:center;gap:1.25rem;margin-top:1.75rem;padding-top:1.75rem;border-top:1px solid var(--ink-line)}.form__privacy{font-size:0.8125rem;color:var(--muted)}.form__privacy a{color:var(--bone-2);border-bottom:1px solid var(--ink-line-2)}.form__privacy a:hover{color:var(--gold-200)}.alert{margin-bottom:1.75rem;padding:1rem 1.25rem;border-radius:0.625rem;border:1px solid;font-size:0.9375rem}.alert--success{border-color:rgba(99,195,154,0.4);background:rgba(99,195,154,0.09);color:var(--up)}.alert--error{border-color:rgba(224,121,108,0.4);background:rgba(224,121,108,0.09);color:var(--down)}.legal__updated{margin-top:1rem;font-family:var(--font-mono);font-size:0.75rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted)}.prose{margin-top:3rem;max-width:68ch}.prose h2{margin-top:2.75rem;font-family:var(--font-display);font-size:clamp(1.3rem,1.15rem + 0.7vw,1.6rem);font-weight:500;color:var(--gold-100)}.prose h3{margin-top:1.85rem;font-size:1.0625rem;font-weight:600;color:var(--bone)}.prose h2:first-child{margin-top:0}.prose p,.prose ul,.prose ol{margin-top:1rem;color:var(--bone-2)}.prose ul{list-style:none}.prose li{position:relative;padding-left:1.35rem;margin-top:0.6rem}.prose ul li::before{content:"";position:absolute;left:0;top:0.72em;width:5px;height:5px;border-radius:50%;background:var(--gold-700)}.prose a{color:var(--gold-200);border-bottom:1px solid rgba(224,196,124,0.3);transition:border-color 0.25s var(--ease);word-break:break-word}.prose a:hover{border-bottom-color:var(--gold-300)}.prose code{padding:0.1em 0.4em;border-radius:0.3rem;background:rgba(255,255,255,0.06);font-family:var(--font-mono);font-size:0.875em;color:var(--gold-200);word-break:break-word}.prose strong{color:var(--bone);font-weight:600}.error-page{min-height:62vh;display:grid;place-items:center}.error-page__inner{text-align:center}.error-page__code{font-family:var(--font-display);font-size:clamp(4.5rem,3rem + 12vw,10rem);line-height:1;background:linear-gradient(168deg,var(--gold-200),var(--gold-500) 60%,var(--gold-700));-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;opacity:0.85}.error-page__title{margin-top:1rem;font-family:var(--font-display);font-size:clamp(1.5rem,1.2rem + 1.5vw,2.25rem);font-weight:400}.error-page__body{margin:1.1rem auto 2rem;max-width:46ch;color:var(--bone-2)}.error-page__actions{display:flex;flex-wrap:wrap;gap:0.875rem;justify-content:center}.error-page__debug{margin-top:3rem;text-align:left}.error-page__debug-title{font-family:var(--font-mono);font-size:0.6875rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--down)}.error-page__pre{margin-top:0.75rem;padding:1rem;border:1px solid var(--ink-line);border-radius:0.5rem;background:rgba(0,0,0,0.4);font-family:var(--font-mono);font-size:0.75rem;line-height:1.6;color:var(--bone-2);overflow-x:auto;white-space:pre-wrap;word-break:break-word}.error-page__pre--trace{max-height:22rem;overflow-y:auto}.site-footer{margin-top:clamp(3rem,8vh,5rem);padding-block:clamp(3rem,7vh,4.5rem) 2rem;border-top:1px solid var(--ink-line);background:rgba(0,0,0,0.35)}.site-footer__grid{display:grid;gap:clamp(2rem,5vw,3.5rem);grid-template-columns:1fr}@media (min-width:48em){.site-footer__grid{grid-template-columns:1.6fr repeat(auto-fit,minmax(9rem,1fr))}}.wordmark--sm .wordmark__text{font-size:1.125rem}.site-footer__blurb{margin-top:1rem;max-width:40ch;font-size:0.875rem;color:var(--muted)}.site-footer__social{margin-top:1.5rem;display:grid;gap:0.35rem}.site-footer__social a{display:inline-flex;align-items:center;gap:0.6rem;min-height:1.5rem;font-size:0.8125rem;color:var(--bone-2);transition:color 0.25s var(--ease);word-break:break-word}.site-footer__social a:hover{color:var(--gold-200)}.site-footer__heading{font-family:var(--font-mono);font-size:0.625rem;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;color:var(--gold-500)}.site-footer__col ul{margin-top:1rem;display:grid;gap:0.35rem}.site-footer__col a{display:inline-flex;align-items:center;min-height:1.5rem;font-size:0.875rem;color:var(--bone-2);transition:color 0.25s var(--ease)}.site-footer__col a:hover{color:var(--gold-200)}.site-footer__base{margin-top:clamp(2.5rem,6vh,3.5rem);padding-top:1.75rem;border-top:1px solid var(--ink-line);display:grid;gap:0.75rem;font-size:0.75rem;color:var(--muted)}.site-footer__disclaimer{max-width:78ch}@media print{.ambient,.site-header,.site-footer,.ticker,.controls,.cta,.skip-link{display:none !important}body{background:#fff;color:#000}.hero__figure{-webkit-text-fill-color:#000;color:#000;background:none;filter:none}.section{padding-block:1rem}a[href^="http"]::after{content:" (" attr(href) ")";font-size:0.8em}}