@charset "UTF-8";
:root{--paper:#fcf8f4;--pink:#f8eeeb;--rose:#713b50;--rose-light:#f3e3e4;--ink:#3e3035;--muted:#746369;--line:#e7d8d5;--serif:Georgia,'Times New Roman',serif;--sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #a56780;outline-offset:4px}input:focus-visible{outline:none}::selection{background:#eacbd0;color:#3e3035}[hidden]{display:none!important}.wrap{max-width:1200px;width:calc(100% - 112px);margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:-100px;z-index:10;background:var(--rose);color:#fff;padding:12px 20px;border-radius:8px}.skip-link:focus{top:16px}
.site-header{height:118px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{text-decoration:none;display:flex;gap:10px;align-items:center;color:var(--rose)}.brand>svg{width:33px;height:39px;stroke:currentColor;fill:none;stroke-width:1.25}.brand>span{font-family:var(--serif);font-size:33px;line-height:1.05;letter-spacing:-1.2px}.brand small{display:block;text-align:center;margin-top:7px;font-family:var(--sans);font-size:8px;letter-spacing:4px;font-weight:500}.site-header nav{display:flex;gap:30px;font-size:13px;font-weight:500;color:#6f4c59}.site-header nav a{text-decoration:none;min-height:44px;display:flex;align-items:center;gap:10px}.site-header nav a:hover{text-decoration:underline;text-underline-offset:5px}
.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:72px;align-items:start;padding:64px 0 78px}.intro{padding-top:17px;min-width:0}.eyebrow{font-size:10px;letter-spacing:1.8px;line-height:1.7;font-weight:600;color:var(--rose);margin:0 0 22px}.intro>.eyebrow{display:flex;align-items:center;gap:10px}.little-star{font-size:23px;line-height:1}h1,h2,h3,p{margin-top:0}h1{font-family:var(--serif);font-size:clamp(42px,4.5vw,62px);line-height:1.1;font-weight:400;letter-spacing:-2.1px;margin-bottom:25px}h1 em{font-weight:400;color:var(--rose)}.intro-copy{max-width:380px;font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:21px}.text-link{font-size:12px;color:var(--rose);text-underline-offset:5px;text-decoration-thickness:1px;display:inline-flex;align-items:center;gap:12px;min-height:44px}.text-link span{font-size:18px}.hero-art{max-width:360px;margin:27px 0 0 12px}.hero-art svg{display:block;width:100%;height:auto}.hero-art p{text-align:center;font-size:11px;color:var(--muted);margin:4px -15px 0}.hero-art p em{font-style:normal;color:var(--rose)}
.calculator{min-width:0;background:#fffdfa;padding:30px;border:1px solid #e6d5d4;border-radius:20px;box-shadow:0 12px 40px #713b5008;scroll-margin-top:20px;position:relative}.card-topline{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.card-topline .eyebrow{font-size:9px;letter-spacing:1.7px;margin:0}.card-topline svg{height:25px;width:25px;stroke:#9e7780;fill:none;stroke-width:1.1}.calculator h2{font-size:29px;font-family:var(--serif);font-weight:400;letter-spacing:-.6px;line-height:1.25;margin-bottom:7px}.card-intro{font-size:13px;color:var(--muted);margin-bottom:24px}.unit-control{display:flex;padding:4px;background:#f3eeeb;border:none;border-radius:10px;gap:3px;margin:0 0 23px;min-width:0}.unit-control>div{flex:1;position:relative;min-width:0}.unit-control input{position:absolute;width:1px;height:1px;opacity:0}.unit-control label{cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px;border-radius:7px;min-height:44px;font-size:12px;color:#75616b;border:1px solid transparent}.unit-control label span{font-size:10px;font-weight:400;opacity:.8}.unit-control input:checked+label{background:#fffdfa;box-shadow:0 1px 5px #713b5010;color:var(--rose);border-color:#e6d8d3;font-weight:600}.unit-control input:focus-visible+label{outline:3px solid #a56780;outline-offset:1px}.input-label{display:block;font-size:12px;font-weight:600;margin-bottom:9px}.measure-input{border:1px solid #d5c4c3;border-radius:9px;display:flex;align-items:center;min-height:58px;background:#fff;transition:border-color .15s,box-shadow .15s}.measure-input:focus-within{border-color:var(--rose);box-shadow:0 0 0 3px #713b5015}.measure-input:has([aria-invalid="true"]){border-color:#a33d47}.measure-input input{border:0;width:100%;min-width:0;background:none;padding:12px 16px;color:var(--ink);font-size:20px;line-height:1.5;border-radius:9px}.measure-input input::placeholder{color:#a59699;font-size:17px}.measure-input>span{margin-right:17px;color:#8a747d;font-size:14px}.input-helper{font-size:12px;color:var(--muted);line-height:1.6;margin:9px 0 19px}.error-message{font-size:12px;line-height:1.6;color:#913643;margin:0 0 16px;padding:10px 12px;background:#fbeced;border-radius:7px}.primary-button{border:1px solid var(--rose);background:var(--rose);color:#fff9f6;border-radius:9px;min-height:53px;padding:12px 18px;width:100%;display:flex;justify-content:center;align-items:center;gap:35px;font-size:13px;font-weight:500;transition:background .15s,transform .15s}.primary-button>span{font-size:21px;line-height:1}.primary-button:hover{background:#5c2d40}.primary-button:active{transform:translateY(1px)}.result-zone{margin-top:19px}.empty-result{border:1px dashed #e4d6d1;border-radius:10px;min-height:86px;display:flex;gap:12px;justify-content:center;align-items:center;padding:15px;color:#80666f}.empty-result svg{flex:0 0 24px;height:28px;stroke:currentColor;fill:none;stroke-width:1}.empty-result p{font-family:var(--serif);font-size:14px;line-height:1.5;margin:0;max-width:215px}.result{border-radius:12px;padding:22px 18px 19px;background:#f6e9e9;text-align:center}.result-eyebrow{font-size:9px;color:var(--rose);letter-spacing:1.5px;margin-bottom:10px;font-weight:600}.result-title{font-family:var(--serif);color:var(--rose);font-weight:400;line-height:1.1;margin:0 0 8px;display:flex;align-items:baseline;justify-content:center;gap:10px}.aro-label{font-size:26px}.aro-number{font-size:64px;letter-spacing:-3px}.result-measure{font-size:13px;color:#765360;margin:0 0 13px}.result-description{font-size:12px;line-height:1.65;color:#705c64;max-width:320px;margin:0 auto}.between-title{font-size:29px;line-height:1.18;display:block;margin:7px 0 12px}.neighbor-sizes{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}.neighbor-sizes>div{background:#fffbf8;border:1px solid #e7d3d5;border-radius:8px;padding:10px 5px;display:flex;flex-direction:column;line-height:1.5}.neighbor-sizes strong{font-size:14px;font-weight:500;color:var(--rose)}.neighbor-sizes span{font-size:11px;color:var(--muted)}.reset-button{min-height:44px;width:100%;background:none;border:0;color:var(--rose);font-size:12px;padding:8px;margin-top:3px}.reset-button>span{font-size:17px;margin-right:6px}.reset-button:hover{text-decoration:underline;text-underline-offset:4px}.order-note{display:flex;align-items:flex-start;gap:9px;margin-top:19px;padding-top:18px;border-top:1px solid #eaddd7}.order-note svg{width:16px;height:16px;flex:0 0 16px;stroke:#88636e;fill:none;stroke-width:1.4;margin-top:2px}.order-note p{color:var(--muted);font-size:12px;line-height:1.8;margin:0}.order-note strong{color:#765362;font-weight:600}
.guide{border-top:1px solid var(--line);padding:52px 0 35px;scroll-margin-top:24px}.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:27px}.section-heading .eyebrow{font-size:9px;margin-bottom:10px}.section-heading h2{font-family:var(--serif);font-size:34px;line-height:1.2;letter-spacing:-.7px;font-weight:400;margin:0}.materials{font-size:10px;color:var(--muted);display:inline-flex;align-items:center;gap:8px;margin-bottom:3px;white-space:nowrap}.materials svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.2}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.step{border:1px solid #e8dcd6;border-radius:13px;overflow:hidden;background:#fffdfa}.step-visual{position:relative;background:#f7efea;padding:5px 16px 0;border-bottom:1px solid #eee3dc}.step-visual svg{display:block;width:100%;height:auto}.step-number{position:absolute;top:15px;left:18px;font-family:var(--serif);font-size:17px;color:#9d737b;font-style:italic}.step-copy{padding:24px 24px 26px}.step-copy h3{font-size:21px;font-family:var(--serif);font-weight:400;color:#5b3d48;line-height:1.2;margin-bottom:10px}.step-copy p{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:0}.step-copy p strong{font-weight:600}.illustration-note{text-align:right;color:#88747c;font-size:9px;margin:13px 0 0}
.care-panel{display:grid;grid-template-columns:.9fr 2fr;gap:45px;padding:31px 35px;background:#f2e5e4;border-radius:13px;margin:15px 0 40px;align-items:center}.care-title{display:flex;gap:15px;align-items:center}.care-title>span{font-family:var(--serif);font-size:37px;line-height:1;color:#915b6c}.care-title h2{font-family:var(--serif);font-size:23px;font-weight:400;line-height:1.2;color:#6b4452;letter-spacing:-.2px;margin:0}.care-panel ul{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:25px;list-style:none;margin:0;padding:0}.care-panel li{font-size:10px;color:#785c66;line-height:1.8}.care-panel li strong{display:block;font-size:11px;font-weight:600;color:#67424f;margin-bottom:4px}.reference-section{max-width:800px;margin:0 auto 61px;scroll-margin-top:24px}.accordion{border-bottom:1px solid var(--line)}.accordion summary{display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;list-style:none;padding:23px 2px}.accordion summary::-webkit-details-marker{display:none}.accordion summary>span:first-child{display:flex;flex-direction:column;gap:5px}.accordion summary .eyebrow{margin:0;font-size:8px;letter-spacing:1.5px}.summary-title{font-family:var(--serif);font-size:24px;line-height:1.3;font-weight:400}.expand-icon{font-size:23px;font-weight:300;color:#8d6573;line-height:1;transition:transform .2s}.accordion[open] .expand-icon{transform:rotate(45deg)}.accordion-content{padding:0 2px 24px;color:var(--muted);font-size:13px;line-height:1.8}.accordion-content>p:last-child{margin-bottom:0}.table-scroll{max-height:352px;overflow:auto;border:1px solid var(--line);border-radius:9px;overscroll-behavior:contain;margin-top:19px}.table-scroll table{border-collapse:separate;border-spacing:0;width:100%;font-size:12px;text-align:center;font-variant-numeric:tabular-nums}.table-scroll th,.table-scroll td{padding:10px 9px;border-bottom:1px solid #eee5df}.table-scroll thead th{background:#f2e6e3;color:#6b4351;position:sticky;top:0;font-size:10px;font-weight:600;z-index:1}.table-scroll tbody th{font-weight:600;color:#795260}.table-scroll tr:last-child>*{border-bottom:0}.table-scroll tbody tr:nth-child(even){background:#f9f3ef}.table-scroll tr.is-match>*{background:#e9cfd3;color:#583044}.formula-details summary{padding-block:21px}.formula-details .summary-title{font-size:19px}.source-note{font-size:10px;padding-top:8px}.source-note a{text-underline-offset:3px}.site-footer{padding:24px 0 28px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:22px;color:#8b717b}.footer-brand{font-family:var(--serif);font-size:23px;letter-spacing:-.7px;color:#845668;white-space:nowrap}.footer-brand small{font-family:var(--sans);font-size:7px;letter-spacing:1.5px;margin-left:6px}.site-footer p{font-size:10px;margin:0}.footer-heart{font-size:24px;font-family:var(--serif);line-height:1}
@media(min-width:1500px){.wrap{max-width:1220px}.hero{gap:90px;padding-top:70px}h1{font-size:65px}.intro-copy{font-size:16px}.hero-art{max-width:390px;margin-top:32px}.calculator{padding:34px}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.hero{gap:36px;padding-top:46px}.calculator{padding:25px}.calculator h2{font-size:26px}h1{font-size:47px}.intro-copy{font-size:14px}.hero-art{margin-left:0;margin-top:36px}.unit-control label{font-size:11px;gap:5px}.section-heading h2{font-size:30px}.materials{font-size:9px}.steps{gap:15px}.step-copy{padding:21px 19px}.step-copy h3{font-size:20px}.care-panel{gap:24px;padding:28px}.care-panel ul{gap:17px}.care-title h2{font-size:21px}}
@media(max-width:760px){html{scroll-padding-top:18px}.wrap{width:calc(100% - 40px)}.site-header{height:89px}.brand>span{font-size:29px}.brand small{font-size:7px;letter-spacing:3px}.brand>svg{width:27px;height:32px}.site-header nav{gap:15px;font-size:11px}.site-header nav a:last-child{display:none}.hero{display:flex;flex-direction:column;gap:27px;padding:34px 0 42px}.intro{padding:0;width:100%}.intro>.eyebrow{font-size:9px;letter-spacing:1.5px;margin-bottom:19px}.little-star{font-size:21px}h1{font-size:45px;letter-spacing:-1.6px;line-height:1.08;margin-bottom:18px}.intro-copy{font-size:14px;line-height:1.75;max-width:390px;margin-bottom:6px}.text-link{font-size:11px}.hero-art{display:none}.calculator{width:100%;max-width:520px;margin-inline:auto;border-radius:16px;padding:25px}.card-topline{margin-bottom:14px}.calculator h2{font-size:29px}.card-intro{font-size:13px;margin-bottom:21px}.unit-control label{font-size:12px}.input-helper{font-size:11px}.order-note p{font-size:11px;line-height:1.7}.guide{padding-top:34px;padding-bottom:26px}.section-heading{display:block;margin-bottom:21px}.section-heading .eyebrow{font-size:8px;letter-spacing:1.3px;margin-bottom:10px}.section-heading h2{font-size:30px;line-height:1.2;max-width:300px}.materials{font-size:10px;margin-top:15px}.steps{grid-template-columns:1fr;gap:15px}.step{display:grid;grid-template-columns:125px 1fr;align-items:stretch}.step-visual{padding:27px 0 10px;display:flex;align-items:center;border-bottom:0;border-right:1px solid #eee3dc;min-height:173px}.step-visual svg{width:100%;transform:scale(1.08)}.step-number{top:11px;left:14px;font-size:15px}.step-copy{padding:21px 17px}.step-copy h3{font-size:21px;margin-bottom:8px}.step-copy p{font-size:13px;line-height:1.75}.illustration-note{text-align:left;font-size:9px;line-height:1.7;margin-top:12px}.care-panel{display:block;padding:25px;margin:8px 0 23px}.care-title{gap:14px;margin-bottom:23px}.care-title h2{font-size:25px}.care-title>span{font-size:34px}.care-panel ul{grid-template-columns:1fr;gap:16px;padding-left:1px}.care-panel li{font-size:12px;line-height:1.7}.care-panel li strong{font-size:12px;margin-bottom:3px}.reference-section{margin-bottom:37px}.accordion summary{padding-block:21px}.summary-title{font-size:25px}.accordion-content{font-size:12px}.formula-details .summary-title{font-size:19px}.source-note{font-size:10px}.site-footer{display:flex;flex-wrap:wrap;gap:9px;position:relative;padding-block:22px}.footer-brand{font-size:24px}.site-footer p{flex-basis:100%;font-size:9px;padding-right:25px}.footer-heart{position:absolute;right:0;top:33px}}
@media(max-width:360px){.wrap{width:calc(100% - 32px)}h1{font-size:39px}.calculator{padding:21px}.calculator h2{font-size:26px}.unit-control label{font-size:11px}.step{grid-template-columns:102px 1fr}.step-copy{padding:19px 14px}.step-copy h3{font-size:19px}.step-copy p{font-size:11px}.between-title{font-size:26px}.card-topline .eyebrow{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* Give the illustrated instructions room to breathe on a phone. */
@media(max-width:760px){.step{display:block}.step-visual{min-height:0;display:flex;justify-content:center;border-right:0;border-bottom:1px solid #eee3dc;padding:0 24px}.step-visual svg{max-width:300px;transform:none}.step-number{top:15px;left:20px;font-size:17px}.step-copy{padding:22px 23px 25px}.step-copy h3{font-size:24px}.step-copy p{font-size:14px;line-height:1.75}.input-helper{font-size:12px}.order-note p{font-size:12px}.care-panel li,.care-panel li strong{font-size:13px}.accordion-content{font-size:13px}.source-note{font-size:11px}}

/* Two distinct measuring methods share the same accessible calculator. */
.method-control{border:0;padding:0;margin:0 0 20px;display:grid;grid-template-columns:1fr 1fr;gap:9px;min-width:0}.method-control legend{font-size:12px;font-weight:600;margin-bottom:10px}.method-control>div{position:relative;min-width:0}.method-control input{position:absolute;width:1px;height:1px;opacity:0}.method-control label{display:flex;flex-direction:column;justify-content:center;gap:3px;border:1px solid #ddcdca;border-radius:10px;padding:12px 10px;min-height:70px;cursor:pointer;color:#795763;background:#fffdfa}.method-control label>span{font-size:12px;font-weight:600}.method-control label>small{font-size:10px;color:#806b73}.method-control input:checked+label{border-color:#875065;background:#f5e7e8;box-shadow:inset 0 0 0 1px #875065}.method-control input:focus-visible+label{outline:3px solid #a56780;outline-offset:3px}.method-help-link{display:flex;align-items:center;min-height:44px;font-size:12px;color:var(--rose);text-underline-offset:4px;margin:-11px 0 10px}.approximate-label{font-family:var(--serif);font-style:italic;font-size:19px;color:#805967;line-height:1.3;margin:5px 0 2px}.diameter-reminder{padding:20px 24px;background:#f5e9e6;border:1px solid #e7d5d1;border-radius:11px;margin-top:22px;font-size:13px;color:#70545f}.diameter-reminder strong{color:var(--rose);font-size:14px}.diameter-reminder p{margin:6px 0 0;line-height:1.8}.ring-guide .step-visual svg{aspect-ratio:300/210}.table-scroll th,.table-scroll td{padding-inline:7px}.table-scroll thead th{font-size:10px;line-height:1.5}
@media(max-width:760px){.method-control label{min-height:74px;padding:12px}.method-control label>span{font-size:13px}.method-control label>small{font-size:11px}.method-control legend{font-size:13px}.method-help-link{font-size:12px}.diameter-reminder{padding:19px 20px}.ring-guide .step-visual{padding-inline:15px}.table-scroll th,.table-scroll td{padding-inline:6px}.table-scroll table{font-size:12px}.table-scroll thead th{font-size:10px}}
@media(max-width:360px){.method-control label{padding:11px 8px}.method-control label>span{font-size:12px}.method-control label>small{font-size:10px}.table-scroll th,.table-scroll td{padding-inline:4px}.table-scroll table{font-size:11px}}

/* Original supplied PNG, unchanged. Crop only its empty transparent margins in CSS. */
.brand-image-frame{display:block;position:relative;overflow:hidden;width:124px;aspect-ratio:628 / 392;flex-shrink:0}.brand-image-frame img.original-logo{position:absolute;display:block;width:186.3057324841%;height:auto;max-width:none;left:-42.9936305732%;top:-42.0918367347%}.footer-brand--original{width:96px}
@media(max-width:760px){.brand .brand-image-frame{width:112px}.footer-brand--original{width:88px}}
@media(max-width:360px){.brand .brand-image-frame{width:104px}}