.jewellery-tool{--tool-line: #dce2e4;--tool-wash: #f0f6f4}.jewellery-tool [id]{scroll-margin-top:100px}.tool-eyebrow{color:#1f7a6a;font-size:11px;font-weight:600;letter-spacing:.13em;line-height:1.6;text-transform:uppercase}.tool-hero{position:relative;display:grid;align-items:center;gap:24px;padding:32px;border:1px solid var(--tool-line);border-radius:20px;background:#fff}.tool-hero h1{max-width:820px;margin-top:10px;color:var(--color-navy);font-family:var(--font-display);font-size:clamp(30px,3.5vw,46px);font-weight:400;line-height:1.12;text-wrap:balance}.tool-hero-intro{max-width:650px;margin-top:16px;font-size:17px;color:var(--color-ink-soft)}.tool-hero-drawing{display:none;width:100%}.tool-page-header{margin-bottom:16px}.tool-page-header h1{max-width:900px;color:var(--color-navy);font-family:var(--font-display);font-size:clamp(26px,3vw,36px);font-weight:400;line-height:1.15;text-wrap:balance}.tool-page-intro{max-width:720px;margin-top:6px;font-size:16px;line-height:1.5;color:var(--color-ink-soft)}@media(min-width:640px){.tool-page-header{margin-bottom:24px}}.tool-quick-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.tool-quick-links a{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:44px;padding:9px 16px;border:1px solid var(--tool-line);border-radius:8px;background:#fff;color:var(--color-navy);font-size:16px;font-weight:500;text-decoration:none}.tool-quick-links a:first-child{background:var(--color-navy);border-color:var(--color-navy);color:#fff}.tool-quick-links a:hover{border-color:var(--color-navy)}.tool-quick-links a:first-child:hover{background:#292d57}.tool-quick-links a:focus-visible,.tool-card:focus-visible{outline:2px solid var(--color-navy);outline-offset:4px}.tool-directory{margin:40px 0 56px}.tool-workbench{margin-top:24px;padding:24px;border-radius:12px;background:#f4f6f6}.tool-workbench>h3{font-family:var(--font-display);font-size:24px;color:#383d71}.tool-workbench>p{margin:8px 0 16px;color:var(--color-ink-soft)}.tool-workbench ul{display:grid;gap:16px;list-style:none;padding:0}.tool-workbench a{display:flex;align-items:center;gap:16px;min-height:44px;color:#383d71;border-radius:8px}.tool-workbench a:focus-visible{outline:2px solid #383d71;outline-offset:4px}.tool-workbench svg{width:56px;flex-shrink:0}.tool-workbench h4{font-size:17px;font-weight:600}.tool-workbench .tool-card-description{margin-top:4px;font-size:15px}@media(min-width:768px){.tool-workbench ul{grid-template-columns:1fr 1fr}}.tool-section-heading{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px;margin-bottom:22px}.tool-section-heading h2{margin-top:6px;font-family:var(--font-display);color:var(--color-navy);font-size:30px;line-height:1.2}.tool-section-heading>p{font-size:16px;color:var(--color-ink-soft)}.tool-card-grid{display:grid;gap:16px;padding:0;margin:0;list-style:none}.tool-card-grid li{min-width:0}.tool-card{position:relative;display:flex;flex-direction:column;height:100%;padding:24px;border:1px solid var(--tool-line);border-radius:16px;background:#fff;color:var(--color-ink);text-decoration:none;transition:border-color .18s,box-shadow .18s}.tool-card:hover{border-color:#9cbcb3;box-shadow:0 6px 22px #383d710b}.tool-card-drawing{position:absolute;top:14px;right:14px;width:88px;height:66px}.tool-card .tool-eyebrow{padding-right:72px}.tool-card h3{max-width:240px;margin:16px 65px 12px 0;color:var(--color-navy);font-family:var(--font-display);font-size:25px;line-height:1.15}.tool-card-description{margin-bottom:24px;font-size:16px;line-height:1.65;color:var(--color-ink-soft)}.tool-card-action{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid #e9edef;font-size:16px;font-weight:500;color:var(--color-navy)}.tool-card-action>span{color:#1f7a6a;font-size:22px}.tool-ring-section{display:grid;align-items:start;gap:28px;margin-top:48px;padding:28px;border:1px solid var(--tool-line);border-radius:20px;background:var(--tool-wash)}.tool-ring-section h2{font-family:var(--font-display);font-size:32px;line-height:1.2;color:var(--color-navy)}.tool-ring-section>div>svg{width:150px;height:113px}.tool-reference{max-width:800px;margin:0 auto}.jewellery-tool .tool-form{border-color:var(--tool-line);border-radius:16px;box-shadow:0 4px 22px #383d7105}.tool-form label:has(input[type=radio]),.tool-form label:has(input[type=checkbox]){transition:background .15s,border-color .15s}.tool-form label:has(input:checked){border-color:#779e94;background:#edf6f3}.tool-form input:not([type=radio]):not([type=checkbox]),.tool-form select{min-height:48px}.tool-form :is(input,select)[aria-invalid=true]{border-color:#9a342d;background:#fff8f7}.tool-form .tool-step{padding-top:24px;border-top:1px solid var(--tool-line)}.tool-form .tool-step legend{float:left;width:100%;margin-bottom:18px;color:var(--color-navy);font-size:19px}.tool-step-number{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;margin-right:10px;border-radius:50%;background:#edf6f3;color:#1f7a6a;font-size:14px}.tool-empty-state{padding:28px;border:1px solid var(--tool-line);border-radius:16px;background:#fff;text-align:center}.tool-empty-state svg{width:144px;height:108px;margin:0 auto 12px}.tool-empty-state h3{margin:8px 0 12px;font-family:var(--font-display);font-size:28px;line-height:1.2;color:var(--color-navy)}.tool-empty-state>p:last-child{max-width:370px;margin:auto;color:var(--color-ink-soft)}.tool-result:not(:empty){border:1px solid #93b9ac;border-top:4px solid #1f7a6a;border-radius:14px;background:#f0f7f4;padding:24px}.tool-result:focus-visible{outline:2px solid var(--color-navy);outline-offset:4px}.tool-result{scroll-margin-top:100px}.tool-reference-details{border:1px solid var(--tool-line);border-radius:16px;background:#fff}.tool-reference-details>summary{min-height:64px;cursor:pointer;padding:20px 24px;color:var(--color-navy);font-size:20px;font-weight:500}.tool-reference-details>summary::marker{color:#1f7a6a}.tool-reference-details>summary:focus-visible{outline:2px solid var(--color-navy);outline-offset:4px;border-radius:16px}.tool-reference-caption{display:block;margin-top:5px;font-size:16px;font-weight:400;color:var(--color-ink-soft)}.tool-reference-details[open]>summary{border-bottom:1px solid var(--tool-line)}.tool-material-reference>summary{cursor:pointer;min-height:44px;padding:10px 0;color:var(--color-navy);text-decoration:underline;text-underline-offset:4px}.tool-material-reference>summary:focus-visible{outline:2px solid var(--color-navy);outline-offset:2px}@media(min-width:640px){.tool-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-hero{padding:36px 40px}}@media(min-width:1024px){.tool-hero{grid-template-columns:minmax(0,1fr) 190px}.tool-hero-drawing{display:block}.tool-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-ring-section{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;padding:40px}.tool-card h3{margin-right:38px}}@media(max-width:639px){.tool-hero{padding:24px 20px;border-radius:16px}.tool-hero-intro{font-size:16px}.tool-empty-state{display:none}.tool-quick-links{gap:8px;margin-top:20px}.tool-quick-links a{padding:9px 12px}.tool-directory{margin-top:30px}.tool-section-heading h2{font-size:27px}.tool-card{padding:20px}.tool-card h3{font-size:24px}.tool-card-description{margin-bottom:16px}.tool-ring-section{padding:20px}.tool-ring-section>div>svg{display:none}}@media(prefers-reduced-motion:reduce){.tool-card,.tool-form label:has(input){transition:none}}