.passepartout-page{background:#f7f4ed}.tool-hero h1{max-width:1000px}.tool-section{background:#f7f4ed;padding:clamp(55px,8vw,110px) clamp(18px,6vw,96px) clamp(80px,10vw,140px)}.calculator-shell{grid-template-columns:minmax(0,1.12fr) minmax(330px,.88fr);align-items:start;gap:clamp(28px,5vw,70px);max-width:1280px;margin:0 auto;display:grid}.calculator-card,.result-card{border:1px solid var(--line);background:var(--paper)}.calculator-card{padding:clamp(26px,4.5vw,58px)}.calculator-heading{margin-bottom:36px}.calculator-heading h2,.result-card h2,.tool-guide-copy h2{font-family:var(--serif);letter-spacing:-.035em;margin:0;font-size:clamp(42px,5vw,68px);font-weight:500;line-height:.95}.calculator-heading>p:last-child{max-width:620px;color:var(--muted);margin:18px 0 0}.calculator-card fieldset{border:0;border-top:1px solid var(--line);margin:0;padding:30px 0}.calculator-card legend{font-family:var(--serif);padding:0;font-size:28px;font-weight:600}.field-help{color:var(--muted);margin:7px 0 18px;font-size:14px}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.field-grid label{min-width:0}.field-grid label>span:first-child{margin-bottom:7px;font-size:13px;font-weight:600;display:block}.input-with-unit{background:#fff;border:1px solid #aaa296;grid-template-columns:minmax(0,1fr) auto;align-items:center;display:grid}.input-with-unit:focus-within{outline-offset:2px;outline:3px solid #1c1b1829}.input-with-unit input{width:100%;min-width:0;color:var(--ink);font:500 16px var(--sans);background:0 0;border:0;outline:0;padding:12px 13px}.input-with-unit>span{color:var(--muted);padding:0 13px;font-size:13px}.calculator-card select{width:100%;min-height:48px;color:var(--ink);font:500 15px var(--sans);background:#fff;border:1px solid #aaa296;border-radius:0;padding:11px 38px 11px 13px}.calculator-card small{color:var(--muted);margin-top:8px;font-size:12px;line-height:1.5;display:block}.preset-row{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.preset{border:1px solid var(--line);color:var(--ink);font:600 12px var(--sans);cursor:pointer;background:0 0;border-radius:99px;padding:8px 11px}.preset:hover{background:#e8e1d5}.calculator-actions{flex-wrap:wrap;align-items:center;gap:12px;padding-top:8px;display:flex}.calculate-button,.reset-button,.copy-button{min-height:46px;font:600 14px var(--sans);cursor:pointer;border:0}.calculate-button,.copy-button{background:var(--ink);color:#fff;padding:12px 20px}.reset-button{border:1px solid var(--line);color:var(--ink);background:0 0;padding:12px 16px}.calculator-error{color:#64271f;background:#f1ddd7;border-left:3px solid #8b2f25;margin:18px 0 0;padding:11px 13px;font-size:14px}.result-card{color:#f7f2e9;background:#23221f;border-color:#35332e;padding:clamp(26px,4vw,48px);position:sticky;top:106px}.result-card .eyebrow{color:#c8c1b6}.result-card h2{font-size:clamp(40px,4.5vw,62px)}.preview-wrap{background:#171613;place-items:center;min-height:270px;margin:28px 0;padding:22px;display:grid}.mat-preview{background:#f1eadb;width:min(100%,330px);max-height:320px;position:relative;box-shadow:0 12px 28px #00000047}.mat-opening{color:#ffffffe6;letter-spacing:.12em;text-transform:uppercase;background:linear-gradient(#2d3a315c,#2d3a315c),#8b9687;border:1px solid #00000073;place-items:center;font-size:11px;display:grid;position:absolute;overflow:hidden;box-shadow:inset 0 0 0 1px #ffffff1f}.primary-result{border-top:1px solid #56534d;border-bottom:1px solid #56534d;padding:22px 0}.primary-result span{color:#bdb7ab;text-transform:uppercase;letter-spacing:.12em;margin-bottom:6px;font-size:12px;display:block}.primary-result strong{font-family:var(--serif);font-size:clamp(31px,4vw,46px);font-weight:500;line-height:1;display:block}.cut-list{margin:0}.cut-list>div{border-bottom:1px solid #56534d;grid-template-columns:1fr auto;gap:20px;padding:13px 0;display:grid}.cut-list dt{color:#bdb7ab;font-size:13px}.cut-list dd{margin:0;font-size:14px;font-weight:600}.copy-button{color:#171613;background:#f7f2e9;width:100%;margin-top:22px}.copy-status{color:#bdb7ab;text-align:center;min-height:1.5em;margin:8px 0 0;font-size:12px}.tool-guide-section{background:#d9d0c1;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:clamp(45px,8vw,120px);padding:clamp(80px,11vw,150px) clamp(20px,8vw,130px);display:grid}.tool-guide-copy{max-width:780px}.tool-guide-copy p:not(.eyebrow){color:#3f3b35;font-size:17px}.tool-tip{border-top:1px solid #8c8478;border-bottom:1px solid #8c8478;align-self:center;padding:clamp(28px,4vw,46px)}.tool-tip h3{font-family:var(--serif);margin:0 0 14px;font-size:clamp(34px,4vw,48px);font-weight:500;line-height:1}.tool-tip p:last-child{color:#4b463e;margin-bottom:0}@media (width<=930px){.calculator-shell,.tool-guide-section{grid-template-columns:1fr}.result-card{position:static}}@media (width<=620px){.tool-hero h1{font-size:clamp(50px,15vw,74px)}.calculator-card,.result-card{padding:24px 18px}.field-grid{grid-template-columns:1fr}.field-grid-settings{gap:24px}.preview-wrap{min-height:230px;padding:18px}}@media (prefers-reduced-motion:reduce){.preset{transition:none}}