:root{--grade-navy:#0b2136;--grade-green:#173b2f;--grade-gold:#d99a36;--grade-cream:#f5efe4;--grade-line:#d6dcd8}
.grade-guide-hero{overflow:hidden;padding:clamp(3rem,7vw,5.8rem) 0;background:radial-gradient(circle at 83% 30%,rgba(217,154,54,.2),transparent 24%),linear-gradient(130deg,#081a2d 0,#173b2f 78%);color:#fff}.grade-guide-hero>.shell{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(18rem,.75fr);gap:4rem;align-items:center}.grade-guide-hero h1{max-width:52rem;margin:.35rem 0 1rem;font:800 clamp(2.6rem,5vw,5rem)/1.02 Inter,Arial,sans-serif;letter-spacing:-.045em}.grade-guide-hero p:not(.eyebrow){max-width:47rem;color:#dbe7e2;font-size:1.12rem;line-height:1.7}.grade-guide-trust{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.3rem}.grade-guide-trust span{display:inline-flex;align-items:center;gap:.45rem;padding:.55rem .7rem;border:1px solid rgba(255,255,255,.2);border-radius:999px;background:rgba(255,255,255,.07);font:700 .75rem/1 Inter,Arial,sans-serif}.grade-guide-trust i{color:#f0bd66}.grade-guide-hero__scale{display:grid;grid-template-columns:4.8rem 1fr 4.8rem 1fr 4.8rem;align-items:center}.grade-guide-hero__scale span{display:grid;place-items:center;aspect-ratio:1;border:2px solid rgba(255,255,255,.62);border-radius:50%;background:rgba(255,255,255,.08);box-shadow:0 0 0 9px rgba(255,255,255,.035);font:800 1.1rem/1 Inter,Arial,sans-serif}.grade-guide-hero__scale i{height:2px;background:linear-gradient(90deg,rgba(255,255,255,.25),#d99a36,rgba(255,255,255,.25))}
.grade-guide{max-width:1180px}.grade-steps{display:grid;grid-template-columns:repeat(4,1fr);margin:0 0 2rem}.grade-steps span{position:relative;display:grid;justify-items:center;gap:.5rem;color:#819088}.grade-steps span:before{position:absolute;z-index:-1;top:1.15rem;right:50%;width:100%;height:2px;background:#d9dfdc;content:""}.grade-steps span:first-child:before{display:none}.grade-steps b{display:grid;place-items:center;width:2.35rem;height:2.35rem;border:2px solid #cad4ce;border-radius:50%;background:#fff;font:800 .78rem/1 Inter,Arial,sans-serif}.grade-steps em{font:800 .72rem/1 Inter,Arial,sans-serif;font-style:normal;text-transform:uppercase;letter-spacing:.05em}.grade-steps .is-active,.grade-steps .is-complete{color:var(--grade-green)}.grade-steps .is-active b,.grade-steps .is-complete b{border-color:var(--grade-green);background:var(--grade-green);color:#fff}.grade-steps .is-complete:before,.grade-steps .is-active:before{background:var(--grade-green)}
.grade-panel{animation:grade-in .24s ease}.grade-panel[hidden]{display:none}.grade-panel>header{max-width:55rem;margin-bottom:1.6rem}.grade-panel>header h2{margin:.25rem 0 .55rem;font:800 clamp(1.8rem,3vw,2.6rem)/1.12 Inter,Arial,sans-serif}.grade-panel>header>p:last-child{margin:0;color:#617168;font-size:1rem;line-height:1.65}.grade-start-grid{display:grid;grid-template-columns:minmax(19rem,.78fr) minmax(0,1.22fr);gap:1.5rem}.grade-upload{position:relative;display:grid;min-height:28rem;overflow:hidden;border:2px dashed #aabbb1;border-radius:1rem;background:#f6f8f6;cursor:pointer}.grade-upload>input{position:absolute;width:1px;height:1px;opacity:0}.grade-upload>[data-upload-empty]{display:grid;place-items:center;align-content:center;gap:.55rem;padding:2rem;text-align:center}.grade-upload>[data-upload-empty] i{display:grid;place-items:center;width:4rem;height:4rem;border-radius:50%;background:#e2ece6;color:var(--grade-green);font-size:1.45rem}.grade-upload>[data-upload-empty] strong{font:800 1.1rem/1.2 Inter,Arial,sans-serif}.grade-upload>[data-upload-empty] small{color:#68766f}.grade-upload__preview{position:absolute;inset:0;background:#101b25}.grade-upload__preview[hidden],.grade-upload>[data-upload-empty][hidden]{display:none}.grade-upload__preview img{width:100%;height:100%;object-fit:contain}.grade-upload__preview button{position:absolute;right:.8rem;top:.8rem;padding:.55rem .7rem;border:0;border-radius:999px;background:rgba(7,24,43,.85);color:#fff;font-weight:800;cursor:pointer}.grade-fields{display:grid;align-content:start;gap:1.25rem;padding:1.4rem;border:1px solid var(--grade-line);border-radius:1rem;background:#fff}.grade-fields>div{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.grade-fields label{display:grid;gap:.4rem;font:750 .82rem/1.3 Inter,Arial,sans-serif}.grade-fields input,.grade-fields select{min-height:3rem;padding:.7rem .8rem;border:1px solid #b9c5be;border-radius:.45rem;background:#fff;font:500 1rem/1 Roboto,Arial,sans-serif}.grade-fields fieldset{min-width:0;margin:0;padding:0;border:0}.grade-fields legend{margin-bottom:.7rem;font:800 .82rem/1 Inter,Arial,sans-serif}.grade-series-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem}.grade-series-grid label{position:relative}.grade-series-grid input{position:absolute;opacity:0}.grade-series-grid span{position:relative;display:grid;grid-template-columns:4.4rem minmax(0,1fr) 1.2rem;grid-template-areas:"image name check" "image info check";gap:.2rem .7rem;align-items:center;min-height:5.6rem;padding:.55rem;border:1px solid var(--grade-line);border-radius:.65rem;cursor:pointer}.grade-series-grid img{grid-area:image;width:4.4rem;height:4.4rem;border-radius:50%;background:#17212b;object-fit:contain}.grade-series-grid strong{grid-area:name;align-self:end}.grade-series-grid small{grid-area:info;align-self:start;color:#6c7a72;line-height:1.3}.grade-series-grid i{grid-area:check;color:#bec9c2}.grade-series-grid input:checked+span{border-color:#2f7558;background:#eef6f1;box-shadow:0 0 0 1px #2f7558}.grade-series-grid input:checked+span i{color:#2f7558}.grade-panel__actions{display:flex;align-items:center;justify-content:flex-end;gap:1rem;margin-top:1.5rem}.grade-panel__actions>[role=alert]{margin-right:auto;color:#a34235;font-weight:700}.grade-panel__actions .button{min-height:3rem}
.coin-review-card{display:grid;grid-template-columns:minmax(15rem,.8fr) minmax(0,1.2fr);max-width:60rem;overflow:hidden;border:1px solid var(--grade-line);border-radius:1rem;background:#fff;box-shadow:0 .8rem 2.5rem rgba(7,24,43,.07)}.coin-review-card__image{position:relative;display:grid;place-items:center;min-height:25rem;background:#121d27;color:#fff;font-size:2rem}.coin-review-card__image img{width:100%;height:100%;max-height:29rem;object-fit:contain}.coin-review-card__image small{position:absolute;bottom:.7rem;left:.7rem;padding:.35rem .5rem;border-radius:.3rem;background:rgba(7,24,43,.8);font-size:.7rem}.coin-review-card>div:last-child{display:grid;align-content:center;padding:clamp(1.4rem,4vw,3rem)}.coin-review-card>div:last-child>span{color:#9a671d;font:800 .7rem/1 Inter,Arial,sans-serif;text-transform:uppercase;letter-spacing:.08em}.coin-review-card h3{margin:.4rem 0 1.2rem;font:800 2rem/1.12 Inter,Arial,sans-serif}.coin-review-card dl{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;margin:0 0 1.2rem}.coin-review-card dl div{padding:.75rem;border-radius:.5rem;background:#f2f5f3}.coin-review-card dt{color:#6f7e76;font-size:.68rem;font-weight:800;text-transform:uppercase}.coin-review-card dd{margin:.2rem 0 0;font-weight:800}.grade-save-choice{position:relative}.grade-save-choice input{position:absolute;opacity:0}.grade-save-choice span{display:grid;grid-template-columns:2.2rem minmax(0,1fr);grid-template-areas:"icon title" "icon copy";padding:.9rem;border:1px solid var(--grade-line);border-radius:.65rem;cursor:pointer}.grade-save-choice span:before{grid-area:icon;display:grid;place-items:center;width:1.35rem;height:1.35rem;border:2px solid #9fb0a6;border-radius:.25rem;content:""}.grade-save-choice strong{grid-area:title}.grade-save-choice small{grid-area:copy;color:#69776f}.grade-save-choice input:checked+span{border-color:#2f7558;background:#eef6f1}.grade-save-choice input:checked+span:before{border-color:#2f7558;background:#2f7558;color:#fff;content:"✓"}
.grade-compare>header{display:flex;max-width:none;justify-content:space-between;gap:2rem;align-items:end}.grade-position{padding:.55rem .7rem;border-radius:999px;background:#eef2ef;color:#496158;font:800 .7rem/1 Inter,Arial,sans-serif}.grade-compare-grid{display:grid;grid-template-columns:minmax(12rem,.42fr) minmax(0,1.58fr);gap:1rem;align-items:start}.grade-compare-grid>aside{display:grid;gap:.65rem;padding:1rem;border:1px solid var(--grade-line);border-radius:.8rem;background:#fff}.grade-compare-grid>aside>span{color:#76867d;font:800 .68rem/1 Inter,Arial,sans-serif;text-transform:uppercase}.grade-compare-grid>aside>div{display:grid;place-items:center;min-height:13rem;border-radius:.6rem;background:#15212c;color:#fff}.grade-compare-grid>aside img{width:100%;height:100%;max-height:18rem;object-fit:contain}.grade-compare-grid>aside i{font-size:1.8rem}.grade-compare-grid>aside small{margin-top:.4rem}.grade-reference-card{overflow:hidden;border:1px solid var(--grade-line);border-radius:.8rem;background:#fff;box-shadow:0 .6rem 2rem rgba(7,24,43,.06)}.grade-reference-card__top{display:grid;grid-template-columns:4.5rem minmax(0,1fr) auto;gap:.8rem;align-items:center;padding:.85rem 1rem}.grade-reference-card__top>span{display:grid;place-items:center;width:3.8rem;height:3.8rem;border-radius:50%;background:var(--grade-green);color:#fff;font:800 1rem/1 Inter,Arial,sans-serif}.grade-reference-card__top>div{display:grid}.grade-reference-card__top small{color:#76867d;font-size:.68rem;font-weight:800;text-transform:uppercase}.grade-reference-card__top strong{margin-top:.2rem;font:800 1.25rem/1.2 Inter,Arial,sans-serif}.grade-reference-card__top button{padding:.55rem .65rem;border:1px solid #bcc8c1;border-radius:.45rem;background:#fff;color:var(--grade-green);font-weight:800;cursor:pointer}.grade-reference-card__image{position:relative;display:grid;place-items:center;min-height:31rem;background:radial-gradient(circle,#26333d,#101820)}.grade-reference-card__image img{width:100%;height:100%;max-height:34rem;object-fit:contain}.grade-reference-card__image span{position:absolute;bottom:.75rem;left:.75rem;padding:.4rem .55rem;border-radius:.35rem;background:rgba(7,24,43,.85);color:#fff;font-size:.7rem;font-weight:700}.grade-reference-card>p{margin:1rem 1.1rem .6rem;color:#53645b;line-height:1.6}.grade-reference-card>ul{display:flex;gap:.45rem;flex-wrap:wrap;margin:0;padding:0 1.1rem 1.1rem;list-style:none}.grade-reference-card>ul li{padding:.42rem .55rem;border-radius:999px;background:#f1f4f2;color:#43584e;font-size:.73rem}.grade-reference-card>ul i{margin-right:.35rem;color:#9a671d}.grade-choice-row{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:.65rem;margin-top:1rem}.grade-choice-row button{display:flex;align-items:center;justify-content:center;gap:.65rem;min-height:4.3rem;padding:.7rem;border:1px solid #b8c5bd;border-radius:.65rem;background:#fff;color:var(--grade-green);cursor:pointer}.grade-choice-row button span{display:grid;font:800 .92rem/1.2 Inter,Arial,sans-serif;text-align:left}.grade-choice-row button small{margin-top:.2rem;color:#6a7b71;font:500 .7rem/1.2 Roboto,Arial,sans-serif}.grade-choice-row button.is-match{border-color:var(--grade-green);background:var(--grade-green);color:#fff}.grade-choice-row button.is-match small{color:#d9e7e0}.grade-choice-row button:disabled{cursor:not-allowed;opacity:.38}.grade-boundary-note{min-height:1.4rem;margin:.65rem 0 0;color:#6f7d75;font-size:.78rem;text-align:center}
.grade-result>header{text-align:center;margin-inline:auto}.grade-result-grid{display:grid;grid-template-columns:repeat(3,1fr);overflow:hidden;border:1px solid var(--grade-line);border-radius:.8rem;background:#fff}.grade-result-grid article{display:grid;gap:.3rem;padding:1.4rem;border-right:1px solid var(--grade-line);text-align:center}.grade-result-grid article:last-child{border:0}.grade-result-grid span{color:#728078;font-size:.68rem;font-weight:800;text-transform:uppercase}.grade-result-grid strong{font:800 1.15rem/1.25 Inter,Arial,sans-serif}.grade-result-grid small{color:#728078}.grade-result-actions{display:flex;justify-content:center;gap:.6rem;flex-wrap:wrap;margin:1.2rem 0 2rem}.grade-question-cta{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:clamp(1.4rem,4vw,2.5rem);border-radius:1rem;background:linear-gradient(135deg,#0b2136,#173b2f);color:#fff}.grade-question-cta h2{margin:.25rem 0 .5rem}.grade-question-cta p:last-child{margin:0;color:#d8e4df}.button.light{background:#fff;color:var(--grade-green)}
.grade-detail-dialog,.grade-account-dialog{width:min(64rem,94vw);max-height:92vh;padding:0;overflow:auto;border:0;border-radius:1rem;box-shadow:0 1.2rem 4rem rgba(0,0,0,.35)}.grade-detail-dialog::backdrop,.grade-account-dialog::backdrop{background:rgba(3,15,25,.72);backdrop-filter:blur(3px)}.grade-dialog-close{position:absolute;z-index:2;right:.75rem;top:.75rem;display:grid;place-items:center;width:2.5rem;height:2.5rem;border:0;border-radius:50%;background:#eef2ef;color:var(--grade-navy);cursor:pointer}.grade-dialog-heading{display:grid;grid-template-columns:5.2rem minmax(0,1fr);gap:1rem;padding:1.7rem 4rem 1.4rem 1.7rem;background:#f4f0e8}.grade-dialog-heading>span{display:grid;place-items:center;width:4.5rem;height:4.5rem;border-radius:50%;background:var(--grade-green);color:#fff;font:800 1.1rem/1 Inter,Arial,sans-serif}.grade-dialog-heading h2{margin:.2rem 0 .45rem}.grade-dialog-heading p:last-child{margin:0;color:#5f6c65}.grade-value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--grade-line)}.grade-value-grid article{display:grid;align-content:start;gap:.35rem;min-height:11rem;padding:1.15rem;background:#fff}.grade-value-grid article>i{color:#a66c16;font-size:1.1rem}.grade-value-grid span{color:#718078;font-size:.65rem;font-weight:800;text-transform:uppercase}.grade-value-grid strong{font:800 1rem/1.25 Inter,Arial,sans-serif}.grade-value-grid small{color:#6a7870;line-height:1.45}.grade-market-note{display:grid;grid-template-columns:1.2rem minmax(0,1fr);gap:.65rem;margin:1rem 1.3rem 0;padding:.85rem;border-left:4px solid var(--grade-gold);background:#fff8e9;color:#665637}.grade-market-note p{margin:0;font-size:.8rem;line-height:1.5}.grade-dialog-actions{display:flex;justify-content:flex-end;gap:.55rem;padding:1rem 1.3rem 1.3rem}.grade-account-dialog{width:min(31rem,92vw);padding:2rem;text-align:center}.grade-account-dialog__icon{display:grid;place-items:center;width:4rem;height:4rem;margin:0 auto 1rem;border-radius:50%;background:#e9f3ed;color:var(--grade-green);font-size:1.4rem}.grade-account-dialog h2{margin:.3rem 0 .6rem}.grade-account-dialog>p:not(.eyebrow){color:#637169;line-height:1.6}.grade-account-dialog>div:not(.grade-account-dialog__icon){display:grid;grid-template-columns:1fr 1fr;gap:.55rem;margin-top:1.2rem}.grade-account-skip{margin-top:1rem;border:0;background:none;color:#65756c;text-decoration:underline;cursor:pointer}
@keyframes grade-in{from{opacity:0;transform:translateY(.35rem)}to{opacity:1;transform:none}}
@media(max-width:800px){.grade-guide-hero>.shell,.grade-start-grid,.coin-review-card,.grade-compare-grid{grid-template-columns:1fr}.grade-guide-hero__scale{display:none}.grade-upload{min-height:21rem}.grade-series-grid{grid-template-columns:1fr}.coin-review-card__image{min-height:18rem}.grade-value-grid{grid-template-columns:1fr 1fr}.grade-question-cta{align-items:flex-start;flex-direction:column}.grade-result-grid{grid-template-columns:1fr}.grade-result-grid article{border-right:0;border-bottom:1px solid var(--grade-line)}.grade-compare-grid>aside{grid-template-columns:7rem minmax(0,1fr);align-items:center}.grade-compare-grid>aside>span{grid-column:1/-1}.grade-compare-grid>aside>div{min-height:7rem}.grade-reference-card__image{min-height:25rem}}
@media(max-width:540px){.grade-guide-hero{padding:2.7rem 0}.grade-guide-hero h1{font-size:2.4rem}.grade-guide{padding-inline:1rem}.grade-steps em{font-size:.6rem}.grade-fields>div{grid-template-columns:1fr}.grade-panel__actions{align-items:stretch;flex-direction:column-reverse}.grade-panel__actions>[role=alert]{margin:0}.grade-panel__actions .button{width:100%}.grade-choice-row{grid-template-columns:1fr 1fr}.grade-choice-row .is-match{grid-column:1/-1;grid-row:1}.grade-choice-row button{min-height:3.8rem}.grade-reference-card__top{grid-template-columns:3.5rem minmax(0,1fr) auto}.grade-reference-card__top>span{width:3rem;height:3rem}.grade-reference-card__top button{font-size:0}.grade-reference-card__top button i{font-size:.9rem}.grade-reference-card__image{min-height:20rem}.grade-value-grid{grid-template-columns:1fr}.grade-dialog-heading{grid-template-columns:3.8rem minmax(0,1fr);padding-left:1rem}.grade-dialog-heading>span{width:3.4rem;height:3.4rem}.grade-dialog-actions{align-items:stretch;flex-direction:column-reverse}.grade-account-dialog>div:not(.grade-account-dialog__icon){grid-template-columns:1fr}}
@media print{body>header,.site-breadcrumbs,.grade-guide-hero,.grade-steps,.grade-panel:not(.grade-result),.grade-result-actions,body>footer,.coin-cabinet-tools{display:none!important}.grade-guide{padding:0}.grade-result{display:block!important}.grade-question-cta{color:#000;background:#fff;border:1px solid #bbb}.grade-question-cta .button{display:none}.grade-result-grid{break-inside:avoid}}