:root{--navy:#07275a;--sea:#6bb3d9;--ink:#1e1d1b;--muted:#6e6c65;--line:#dfdeda;--alt:#f8f8f7;--good:#356f62;--warn:#a15c2d;--danger:#a64d4d;--shell:1080px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:#fff;margin:0;font:400 16px/1.5 Open Sans,Arial,sans-serif}a{color:var(--navy);text-underline-offset:3px}a:hover{color:#365887}h1,h2,h3{color:#333;margin:0;font-family:Montserrat,Arial,sans-serif}h1{letter-spacing:-1px;font-size:42px;font-weight:600;line-height:1.2}h2{letter-spacing:-.6px;font-size:28px;line-height:1.3}h3{font-size:18px;line-height:1.35}.site-header{border-bottom:1px solid var(--line);background:#fff;height:60px}.site-header__inner{justify-content:space-between;align-items:center;gap:24px;max-width:1200px;height:60px;margin:auto;padding:0 20px;display:flex}.site-header__logo{display:flex}.site-header__logo img{object-fit:contain;width:138px;height:30px;display:block}.site-header__nav{gap:28px;display:flex}.site-header__nav a,.mobile-menu a{color:#333;font-size:13px;font-weight:600;text-decoration:none}.mobile-menu{display:none;position:relative}.mobile-menu summary{cursor:pointer;color:var(--navy);font-weight:600}.mobile-menu nav{border:1px solid var(--line);z-index:4;background:#fff;width:180px;padding:12px;position:absolute;top:30px;right:0}.mobile-menu a{padding:8px;display:block}.tool-nav{border-bottom:1px solid var(--line);background:#fff}.tool-nav>div{max-width:var(--shell);gap:28px;margin:auto;padding:0 20px;display:flex}.tool-nav a{color:var(--muted);border-bottom:3px solid #0000;padding:12px 0 10px;font-size:14px;font-weight:600;text-decoration:none}.tool-nav a[aria-current]{color:var(--navy);border-color:var(--navy)}main{min-height:calc(100vh - 172px)}.shell{max-width:var(--shell);margin:auto;padding:30px 20px 64px}.breadcrumb,.eyebrow{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-size:12px;font-weight:700}.page-intro{max-width:760px;margin-bottom:28px}.page-intro p{color:#4d4b47;margin:10px 0 0}.tool-layout,.fit-layout{grid-template-columns:400px minmax(0,1fr);align-items:start;gap:28px;display:grid}.control-panel,.result-panel,.tip-card,.model-card{border:1px solid var(--line);background:#fff;border-radius:8px}.control-panel{padding:22px}.result-panel{background:var(--alt);min-height:420px;padding:26px}.panel-heading{margin-bottom:20px}.panel-heading p,.field-help,.guidance-note{color:var(--muted);margin:6px 0 0;font-size:14px}.field{margin:0 0 18px}.field-label{margin-bottom:6px;font-size:14px;font-weight:700;display:block}.field-row{align-items:center;gap:8px;display:flex}.field-row>*{min-width:0}.input-unit{flex:1;position:relative}.input-unit input{width:100%;padding-right:42px}.input-unit span{color:var(--muted);font-size:13px;position:absolute;top:11px;right:12px}input,select,button{font:inherit}input,select{min-height:44px;color:var(--ink);background:#fff;border:1px solid #adaba4;border-radius:6px;padding:8px 10px}input[type=range]{accent-color:var(--navy);width:100%;padding:0}.segmented{flex-wrap:wrap;gap:6px;display:flex}.segmented label{border:1px solid var(--line);cursor:pointer;border-radius:6px;padding:9px 11px;font-size:14px}.segmented input{opacity:0;position:absolute}.segmented label:has(input:checked){border-color:var(--navy);color:var(--navy);background:#f0f5fa}.temperature-value{color:var(--navy);font:600 20px Montserrat}.temperature-scale{color:var(--muted);justify-content:space-between;font-size:12px;display:flex}.advanced{border-top:1px solid var(--line);margin-top:18px;padding-top:14px}.advanced summary{cursor:pointer;color:var(--navy);font-weight:700}.advanced .field:first-of-type{margin-top:18px}.button{border:1px solid var(--navy);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;min-height:44px;padding:10px 16px;font-weight:700;text-decoration:none;display:inline-flex}.button-primary{background:var(--navy);color:#fff}.button-primary:hover{color:#fff;background:#172d58}.button-secondary{color:var(--navy);background:#fff}.action-row{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.result-kicker,.result-title{margin:0}.result-kicker{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:13px;font-weight:700}.result-title{margin-top:5px}.result-summary{max-width:620px;margin:12px 0 16px}.reason-list,.layer-list{padding-left:18px}.reason-list li,.layer-list li{margin:9px 0}.layer-item{border-left:3px solid var(--sea);background:#fff;margin:8px 0;padding:12px}.badge,.model-status{border-radius:99px;padding:4px 8px;font-size:12px;font-weight:700;display:inline-block}.status-good{color:var(--good);background:#e3f0eb}.status-check{color:var(--warn);background:#f8eadf}.status-missing{color:#555;background:#ecebe8}.tip-grid{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px;display:grid}.tip-card{padding:20px}.section-heading{margin:0 0 12px}.source-links{flex-wrap:wrap;gap:12px;font-size:14px;display:flex}.filter-row{flex-wrap:wrap;gap:12px;margin:0 0 18px;display:flex}.filter-row label{font-size:14px;font-weight:700}.filter-row select{min-width:130px;margin-top:5px;display:block}.results-toolbar{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font-size:14px;display:flex}.model-card{margin:0 0 14px;padding:20px}.model-card-header{justify-content:space-between;align-items:start;gap:12px;display:flex}.model-brand{color:var(--navy);font-size:13px;font-weight:700}.model-meta{color:var(--muted);font-size:14px}.comparison-table{border-collapse:collapse;width:100%;margin-top:14px;font-size:14px}.comparison-table th,.comparison-table td{text-align:left;border-top:1px solid var(--line);vertical-align:top;padding:9px}.comparison-table th{color:var(--muted);font-size:12px}.measurement-bar{background:#e6e5e1;border-radius:5px;height:6px;overflow:hidden}.match-range{background:var(--sea);width:60%;height:100%;display:block}.empty-state{background:#fff;border:1px dashed #adaba4;border-radius:8px;padding:28px}.reset-button{color:var(--navy);cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}:focus-visible{outline:3px solid var(--sea);outline-offset:2px}footer{background:var(--alt);border-top:1px solid var(--line)}.footer-inner{max-width:var(--shell);color:var(--muted);flex-wrap:wrap;align-items:center;gap:16px;margin:auto;padding:22px 20px;font-size:13px;display:flex}.footer-inner strong{color:var(--navy);font:600 18px Montserrat}@media (width<=767px){h1{font-size:32px}.site-header__nav{display:none}.mobile-menu{display:block}.tool-nav>div{gap:20px;overflow:auto}.shell{padding:22px 16px 48px}.tool-layout,.fit-layout{grid-template-columns:1fr;gap:16px}.control-panel,.result-panel{padding:18px}.tip-grid{grid-template-columns:1fr;margin-top:32px}.filter-row{grid-template-columns:1fr 1fr;display:grid}.filter-row label{min-width:0}.filter-row select{width:100%}.comparison-table{min-width:560px}.model-card{overflow:auto}.footer-inner{display:block}.footer-inner>*{margin:6px 0;display:block}}@media (width<=390px){.filter-row{grid-template-columns:1fr}.tool-nav>div{padding:0 16px}.tool-nav a{white-space:nowrap}}@font-face{font-family:Montserrat;src:url(/fonts/montserrat-latin.ttf)format("truetype");font-weight:100 900;font-style:normal;font-display:swap}@font-face{font-family:Open Sans;src:url(/fonts/open-sans-latin.ttf)format("truetype");font-weight:100 900;font-style:normal;font-display:swap}h2,h3{font-weight:600}.mobile-result-anchor{display:none}@media (width<=767px){.mobile-result-anchor{background:#ebf5fa;border-radius:6px;margin-bottom:18px;padding:10px 12px;font-size:14px;font-weight:600;display:block}}.fit-filters{background:var(--alt);border:1px solid var(--line);border-radius:8px;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-bottom:24px;padding:18px 20px;display:grid}.fit-filters select{width:100%;min-width:0}.handoff-note{background:#ebf5fa;border-radius:6px;padding:10px 14px;font-size:14px}.fit-results{min-width:0;padding:20px}.model-card{min-width:0;overflow:hidden}.model-card-header{flex-wrap:wrap}.model-card-header>div{flex:1;min-width:160px}.model-thumb{object-fit:contain;flex:none;width:68px;height:94px}.model-status{white-space:normal;border-radius:5px;max-width:100%;font-size:12px}.model-card p{font-size:14px;line-height:1.6}.model-card .model-meta{margin-top:5px}.model-card summary{cursor:pointer;min-height:40px;color:var(--navy);padding:10px 0;font-size:14px;font-weight:600}.table-scroll{overscroll-behavior-x:contain;max-width:100%;overflow-x:auto}.comparison-table{min-width:430px;margin-top:4px}.comparison-table th,.comparison-table td{padding:9px 7px}.chart-guide{border-top:1px solid var(--line);margin-top:8px}.all-size-details>.size-details{margin-left:12px}.privacy-note{margin-top:18px}.measurement-field .input-unit{margin-top:7px;display:block}.measurement-field .field-help{display:block}.fit-layout .measurement-grid{grid-template-columns:1fr}.segmented label:has(input:focus-visible){outline:3px solid var(--sea);outline-offset:2px}[hidden]{display:none!important}@media (width<=1023px){.tool-layout,.fit-layout{grid-template-columns:minmax(280px,360px) minmax(0,1fr)}.fit-filters{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=767px){.tool-layout,.fit-layout{grid-template-columns:1fr}.fit-filters{grid-template-columns:1fr 1fr;padding:16px}.fit-results{padding:14px}.results-toolbar{flex-direction:column;align-items:flex-start}.model-card{padding:16px}.demo-label{font-size:12px}.model-card-header>div{min-width:150px}.site-header__inner{padding:0 16px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media (width<=359px){.field-row:has(.segmented){flex-wrap:wrap}.field-row:has(.segmented)>.input-unit,.field-row:has(.segmented)>.segmented{flex:100%}}.text-link{color:var(--navy);cursor:pointer;background:0 0;border:0;padding:0;font-size:14px;font-weight:700;text-decoration:underline}.text-link:hover{color:var(--navy-hover,#172d58)}.fit-flow{grid-template-columns:minmax(240px,320px) minmax(0,1fr);align-items:start;gap:32px;margin-bottom:32px;display:grid}.flow-panel{min-width:0}.flow-panel__head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.flow-progress{color:var(--navy);margin:0;font-size:13px;font-weight:700}.unit-toggle{flex:none}.flow-step__label{margin:0 0 10px;font-size:22px}.flow-step .field{margin-bottom:14px}.source-variant{background:var(--alt);border-radius:8px;margin:0 0 8px;padding:10px 12px}.source-variant__brand{margin:0}.source-variant strong{color:var(--navy)}.protocol-warning{color:var(--warn);font-weight:700}.source-detail{margin-top:6px}.source-detail summary{cursor:pointer;color:var(--muted);font-size:12px;font-weight:700}.source-detail .guidance-note{margin-top:4px}.basis-toggle{border:1px solid var(--line);border-radius:8px;margin:10px 0 18px;padding:10px 14px}.basis-toggle summary{cursor:pointer;color:var(--navy);font-size:14px;font-weight:700}.basis-toggle .segmented{margin-top:10px}.flow-skip{text-align:center;margin-top:18px}.flow-step--summary .summary-list{border:1px solid var(--line);border-radius:8px;margin:0 0 18px;padding:0;list-style:none;overflow:hidden}.summary-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:11px 14px;font-size:14px;display:flex}.summary-row:last-child{border-bottom:0}.site-header__home-link{color:#333;font-size:13px;font-weight:600;text-decoration:none}.site-header__home-link:hover{color:var(--navy)}.body-diagram{aspect-ratio:100/210;background:var(--alt);border-radius:8px;max-width:190px;margin:0 auto 18px;padding:12px;position:relative}.body-diagram__art{fill:none;width:100%;height:100%;stroke:var(--navy);stroke-width:1.4px;display:block}.body-diagram__head,.body-diagram__torso{fill:#fff;stroke:var(--navy)}.body-diagram__tape{stroke:var(--sea);stroke-width:2.4px;opacity:.55;transition:opacity .2s}.body-diagram__tape.is-dim{opacity:.28}.body-diagram__tape.is-active{stroke:var(--navy);stroke-width:3.4px;opacity:1}.body-diagram__tape--unverified{stroke-dasharray:3 3}.body-diagram__tape--unverified.is-active{stroke:var(--warn)}@media (prefers-reduced-motion:reduce){.body-diagram__tape{transition:none}}.body-diagram__markers{position:absolute;inset:14px}.body-marker{border:1px solid var(--line);color:var(--navy);cursor:pointer;background:#fff;border-radius:99px;align-items:center;gap:6px;max-width:150px;padding:3px 9px 3px 3px;font-size:12px;font-weight:700;line-height:1.1;display:flex;position:absolute;transform:translate(-50%,-50%)}.body-marker__dot{border:2px solid var(--navy);background:#fff;border-radius:50%;flex:none;width:10px;height:10px}.body-marker.is-answered .body-marker__dot{background:var(--navy);border-color:var(--navy)}.body-marker.is-active{border-color:var(--navy);border-style:dashed;box-shadow:0 0 0 3px #07275a1f}.body-marker.is-active .body-marker__dot{background:var(--navy);border-color:var(--navy)}.body-marker[data-unresolved]{border-style:dashed}.body-marker[data-unresolved] .body-marker__dot{border-style:dashed;border-color:var(--warn)}.body-marker[data-unresolved].is-answered .body-marker__dot{background:var(--warn);border-color:var(--warn)}.body-marker:focus-visible{outline:3px solid var(--navy);outline-offset:2px}.layer-diagram{text-align:center;max-width:150px;margin:0 auto 14px}.layer-diagram svg{fill:none;width:100%;height:auto}.layer-diagram__body{stroke:var(--navy);stroke-width:1.6px;fill:#fff}.layer-diagram__layer{stroke:var(--sea);stroke-width:2px;fill:none;opacity:0;transform-box:fill-box;transform-origin:50%;transition:opacity .2s,transform .2s}.layer-diagram__layer--base{transform:scale(1.02)}.layer-diagram__layer--undersuit{transform:scale(1.07)}.layer-diagram__layer--core{transform:scale(1.1)}.layer-diagram[data-layer=light] .layer-diagram__layer--base,.layer-diagram[data-layer=mid] .layer-diagram__layer--base,.layer-diagram[data-layer=mid] .layer-diagram__layer--undersuit,.layer-diagram[data-layer=high] .layer-diagram__layer--base,.layer-diagram[data-layer=high] .layer-diagram__layer--undersuit,.layer-diagram[data-layer=high-plus] .layer-diagram__layer--base,.layer-diagram[data-layer=high-plus] .layer-diagram__layer--undersuit,.layer-diagram[data-layer=high-plus] .layer-diagram__layer--core{opacity:1}@media (prefers-reduced-motion:reduce){.layer-diagram__layer{transition:none}}.layer-diagram__legend{color:var(--muted);flex-wrap:wrap;justify-content:center;gap:6px 10px;margin:8px 0 0;padding:0;font-size:11px;list-style:none;display:flex}.layer-diagram__legend li{opacity:.4}.layer-diagram__legend li:before{content:"";border-top:2px solid var(--sea);vertical-align:middle;width:12px;margin:0 4px 3px 0;display:inline-block}.layer-diagram__legend [data-legend=core]:before{border-top-style:dashed}.layer-diagram[data-layer=light] [data-legend=base],.layer-diagram[data-layer=mid] [data-legend=base],.layer-diagram[data-layer=mid] [data-legend=undersuit],.layer-diagram[data-layer=high] [data-legend=base],.layer-diagram[data-layer=high] [data-legend=undersuit],.layer-diagram[data-layer=high-plus] [data-legend=base],.layer-diagram[data-layer=high-plus] [data-legend=undersuit],.layer-diagram[data-layer=high-plus] [data-legend=core]{opacity:1;color:var(--navy);font-weight:700}.layer-diagram__caption{color:var(--muted);margin-top:6px;font-size:12px}@media (width<=1023px){.fit-flow{grid-template-columns:1fr}.body-diagram{max-width:170px}}@media (width<=480px){.body-diagram{width:76px;max-width:76px;margin:0 auto 6px;padding:5px}.flow-step__label{margin:0 0 6px;font-size:18px}.flow-step .field{margin-bottom:10px}.source-variant{margin:0 0 6px;padding:8px 10px}.flow-panel__head{margin-bottom:8px}.action-row{gap:8px;margin-top:14px}.flow-step .action-row [data-step-next]{order:1}.flow-step .action-row [data-step-skip]{order:2}.flow-step .action-row [data-step-back]{order:3}.basis-toggle{margin:6px 0 12px;padding:8px 10px}[data-fit-page] .page-intro{margin-bottom:14px}[data-fit-page] .page-intro p{margin-top:4px;font-size:14px}}.shell>.breadcrumb{margin-bottom:16px}[data-suit-selector]{grid-template-columns:1fr;gap:0;max-width:560px;margin:0 auto}.selector-hero{text-align:center;padding:4px 0}.selector-hero h1{margin:0 0 10px;font-size:28px}.selector-visual{width:64px;margin:0 auto 12px}.selector-visual svg{fill:none;width:100%;height:auto}.suit-icon__outline{stroke:var(--navy);stroke-width:2px;fill:#fff}.suit-icon__zip{stroke:var(--sea);stroke-width:1.5px}.selector-temperature{max-width:380px;margin:0 auto}.selector-refine{text-align:left;margin-top:16px}.selector-refine>summary{cursor:pointer;color:var(--navy);padding:8px 0;font-weight:700}#suit-guidance{margin-top:20px}@media (width>=1024px){[data-suit-selector]{grid-template-columns:minmax(0,1fr) minmax(340px,.9fr);align-items:start;gap:32px;max-width:980px}#suit-guidance{margin-top:0}}fieldset.field{border:0;min-inline-size:0;padding:0}.measurement-grid{grid-template-columns:1fr 1fr;gap:0 12px;display:grid}.demo-label{color:#6e6c65;letter-spacing:.06em;text-transform:uppercase;max-width:1080px;margin:10px auto -10px;padding:0 20px;font:700 11px/1.5 Open Sans,sans-serif}.model-heading{align-items:flex-start;gap:14px;display:flex}.model-image{flex:0 0 80px;margin:0}.model-image img{object-fit:contain;width:80px;height:110px;display:block}.model-image figcaption{color:#6e6c65;margin-top:4px;font-size:11px;line-height:1.3}@media (width<=767px){.measurement-grid{grid-template-columns:1fr}}