/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.static{position:static}.sticky{position:sticky}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.container{width:100%}@media (width>=40rem){.container{max-width:40rem}}@media (width>=48rem){.container{max-width:48rem}}@media (width>=64rem){.container{max-width:64rem}}@media (width>=80rem){.container{max-width:80rem}}@media (width>=96rem){.container{max-width:96rem}}.contents{display:contents}.grid{display:grid}.hidden{display:none}.inline{display:inline}.rounded{border-radius:.25rem}}:root{--canvas:#e8e3d8;--surface:#f8f4eb;--surface-muted:#dedbd2;--text:#2d3033;--text-muted:#62615c;--border:#8b8981;--primary:#3d7e5a;--primary-hover:#2f6848;--accent:#c26d51;--accent-dark:#984b36;--success:#3d7e5a;--warning:#9b681f;--danger:#a8433b;--focus:#285f99;--disabled:#c7c6c1;--content-width:1180px;--radius:4px;--navy:var(--text);--navy-deep:var(--primary-hover);--blue:var(--primary);--orange:var(--accent);--orange-dark:var(--accent-dark);--cream:var(--canvas);--paper:var(--surface);--ink:var(--text);--muted:var(--text-muted);--line:var(--border)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--cream);color:var(--ink);font-family:var(--font-geist-sans), Arial, sans-serif;margin:0}button,input,select{font:inherit}a{color:inherit}.site-header{background:var(--paper);border-bottom:1px solid var(--line);z-index:50;justify-content:space-between;align-items:center;min-height:76px;padding:0 5vw;display:flex;position:sticky;top:0}.brand{letter-spacing:.02em;text-transform:uppercase;align-items:center;gap:.72rem;font-size:.84rem;font-weight:650;line-height:1.05;text-decoration:none;display:inline-flex}.brand-mark{background:var(--navy);color:#fff;font-family:var(--font-geist-mono), monospace;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.15rem;font-weight:800;display:inline-flex;position:relative}.brand-mark:after{background:var(--orange);content:"";width:100%;height:5px;position:absolute;bottom:0;left:0}.site-header nav{gap:2rem;display:flex}.site-header nav a{color:var(--navy);font-size:.92rem;font-weight:650;text-decoration:none}.site-header nav a:hover,.site-header nav a:focus-visible{color:var(--orange-dark)}.mobile-nav{display:none;position:relative}.mobile-nav summary{border:1px solid var(--line);color:var(--navy);cursor:pointer;padding:.65rem .8rem;font-size:.86rem;font-weight:750;list-style:none}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav summary:after{content:"+";margin-left:.65rem}.mobile-nav[open] summary:after{content:"−"}.mobile-nav nav{background:var(--paper);border:1px solid var(--line);z-index:30;gap:0;min-width:210px;padding:.45rem;display:grid;position:absolute;top:calc(100% + .5rem);right:0;box-shadow:0 16px 32px #102a4329}.mobile-nav nav a{padding:.7rem .75rem}.site-header .primary-nav a[aria-current=page]{color:var(--orange-dark);position:relative}.site-header .primary-nav a[aria-current=page]:after{background:var(--orange);content:"";height:3px;position:absolute;bottom:-.8rem;left:0;right:0}.mobile-tool-dock{display:none}.mobile-tool-dock summary{background:var(--navy-deep);color:#fff;cursor:pointer;justify-content:space-between;align-items:center;min-height:58px;padding:.6rem 20px;list-style:none;display:flex}.mobile-tool-dock summary::-webkit-details-marker{display:none}.mobile-tool-dock summary span:first-child{gap:.05rem;display:grid}.mobile-tool-dock summary small{color:#ffffffa8;letter-spacing:.12em;text-transform:uppercase;font-size:.62rem;font-weight:700}.mobile-tool-dock summary strong{font-size:.9rem}.dock-state{border:1px solid #ffffff6b;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.2rem;transition:transform .16s;display:inline-flex}.mobile-tool-dock[open] .dock-state{transform:rotate(45deg)}.mobile-tool-dock nav{background:var(--paper);border:1px solid var(--line);border-bottom:0;padding:.65rem;display:grid;position:absolute;bottom:100%;left:0;right:0;box-shadow:0 -18px 42px #071b2e38}.mobile-tool-dock nav a{border-bottom:1px solid var(--line);color:var(--navy);padding:.85rem .8rem;font-size:.92rem;font-weight:700;text-decoration:none}.mobile-tool-dock nav a:last-child{border-bottom:0}.mobile-tool-dock nav a[aria-current=page]{color:var(--orange-dark);background:#f47b201a}.mobile-tool-dock summary:focus-visible,.mobile-tool-dock nav a:focus-visible{outline:3px solid var(--orange);outline-offset:-3px}.hero{background:var(--navy);color:#fff;min-height:430px;padding:6rem max(5vw,50vw - 590px);position:relative;overflow:hidden}.hero:after{content:"";opacity:.55;background-color:#0000;background-image:linear-gradient(90deg,#0000 49.8%,#ffffff17 50%),linear-gradient(#0000 49.8%,#ffffff17 50%);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:46px 46px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;position:absolute;inset:0 0 0 58%}.hero-copy{z-index:1;max-width:720px;position:relative}.eyebrow{color:var(--orange-dark);font-family:var(--font-geist-mono), monospace;letter-spacing:.13em;text-transform:uppercase;margin:0 0 .9rem;font-size:.76rem;font-weight:800}.concrete-hero{background:#253543}.concrete-heading{background:#17242e}.concrete-result{background:#eef0ed}.tile-hero{background:#243746}.tile-heading{background:#172834}.tile-result{background:#f1f0ea}.tile-pattern{z-index:2;grid-template-columns:repeat(3,64px);gap:8px;display:grid;position:absolute;top:105px;right:max(7vw,50vw - 580px);transform:rotate(45deg)}.tile-pattern i{border:2px solid #ffb16fb3;height:64px}@media (width<=900px){.tile-pattern{display:none}}.flooring-hero{background:#2e3a32}.flooring-heading{background:#1e2922}.flooring-result{background:#eef0e9}.landscape-hero{background:#314235}.landscape-heading{background:#1f2d23}.landscape-result{background:#eef1e9}.landscape-rings{z-index:2;width:250px;height:250px;position:absolute;top:88px;right:max(7vw,50vw - 560px)}.landscape-rings i{border:2px solid #ffb16fa6;border-radius:50%;position:absolute;inset:0}.landscape-rings i:nth-child(2){inset:38px}.landscape-rings i:nth-child(3){inset:76px}.floor-planks{z-index:2;gap:9px;display:flex;position:absolute;top:95px;right:max(6vw,50vw - 560px);transform:rotate(-12deg)}.floor-planks i{border:2px solid #ffb16fa6;width:38px;height:220px;display:block}.room-row{border:1px solid var(--line);grid-template-columns:1.2fr 1fr 1fr auto;align-items:end;gap:.75rem;margin:0 0 .8rem;padding:1rem;display:grid}.room-row legend{color:var(--orange-dark);font-family:var(--font-geist-mono), monospace;text-transform:uppercase;padding:0 .35rem;font-size:.72rem;font-weight:800}.room-row .field{margin-bottom:0}.remove-room,.add-room{border:1px solid var(--line);color:var(--navy);cursor:pointer;background:0 0;min-height:46px;padding:.6rem .8rem;font-weight:700}.remove-room:hover,.add-room:hover{border-color:var(--orange-dark)}.add-room{margin-bottom:1.5rem}@media (width<=760px){.floor-planks,.landscape-rings{display:none}.room-row{grid-template-columns:1fr 1fr}.room-name,.remove-room{grid-column:1/-1}}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.055em;max-width:780px;margin-bottom:1.4rem;font-size:clamp(2.6rem,5vw,5rem);line-height:.98}.hero-lead{color:#dce8f0;max-width:670px;font-size:clamp(1rem,2vw,1.24rem);line-height:1.65}.trust-list{flex-wrap:wrap;gap:.8rem 1.4rem;margin:2rem 0 0;padding:0;list-style:none;display:flex}.trust-list li:before{color:#ffab61;content:"■";vertical-align:.12rem;margin-right:.65rem;font-size:.6rem}.hero-measure{opacity:.72;z-index:2;align-items:end;gap:28px;height:74px;display:flex;position:absolute;bottom:0;left:5vw;right:5vw}.hero-measure i{border-left:1px solid #9db4c4;height:12px}.hero-measure span{color:#ffca99;font-family:var(--font-geist-mono), monospace;border-left:2px solid #ffab61;height:26px;padding-left:5px;font-size:.72rem}#calculator{z-index:3;max-width:1180px;margin:-38px auto 0;padding:0 24px;position:relative}.calculator-shell{background:var(--paper);border:1px solid var(--line);box-shadow:0 20px 55px #102a4324}.calculator-heading{background:var(--navy-deep);color:#fff;justify-content:space-between;align-items:center;padding:1.8rem 2rem;display:flex}.calculator-heading h2{margin-bottom:.3rem;font-size:1.9rem}.calculator-heading p:last-child{color:#b9c9d4;margin-bottom:0}.unit-toggle{border:1px solid #456077;padding:4px;display:flex}.unit-toggle button{color:#c5d2db;cursor:pointer;background:0 0;border:0;min-width:78px;padding:.62rem .9rem;font-weight:700}.calculator-grid{grid-template-columns:minmax(0,1.55fr) minmax(290px,.75fr);display:grid}.calculator-form{padding:2rem}.segmented-field{border:0;margin:0 0 1.5rem;padding:0}.segmented-field legend,.field>span:first-child{color:var(--navy);margin-bottom:.55rem;font-size:.86rem;font-weight:760;display:block}.segmented-field label{border:1px solid var(--line);cursor:pointer;gap:.6rem;margin-right:.65rem;padding:.7rem .85rem;display:inline-flex}.field-grid{gap:1rem;margin-bottom:1rem;display:grid}.field-grid-three{grid-template-columns:repeat(3,1fr)}.field-grid-two{grid-template-columns:repeat(2,1fr)}.field{margin-bottom:1rem;display:block}.field small{color:var(--muted);margin-top:.42rem;font-size:.73rem;line-height:1.45;display:block}.field>span:first-child small{margin-left:.2rem;font-weight:500;display:inline}.input-wrap{background:#fff;border:1px solid #9eabb5;align-items:center;min-height:48px;display:flex}.input-wrap input,.input-wrap select{color:var(--ink);background:0 0;border:0;outline:0;width:100%;min-width:0;padding:.75rem .8rem}.unit,.currency{color:var(--muted);font-family:var(--font-geist-mono), monospace;white-space:nowrap;padding:0 .8rem;font-size:.76rem}.currency{padding-right:0}.result-card{border-left:1px solid var(--line);background:#edf2f4;padding:2rem}.result-kicker{color:var(--muted);font-family:var(--font-geist-mono), monospace;letter-spacing:.12em;text-transform:uppercase;font-size:.76rem;font-weight:750}.primary-result{border-bottom:5px solid var(--orange);align-items:baseline;gap:.7rem;padding-bottom:.75rem;display:flex}.primary-result strong{color:var(--navy);font-family:var(--font-geist-mono), monospace;font-size:4.6rem;line-height:1}.primary-result span{font-size:1.1rem;font-weight:700}.purchase-volume{color:var(--navy);margin:1rem 0 1.5rem;font-size:1.05rem;font-weight:760}.purchase-volume span,.result-details dd span{color:var(--muted);font-size:.78rem;font-weight:500;display:block}.result-details{margin:0}.result-details div{border-top:1px solid #cad4da;justify-content:space-between;align-items:start;padding:.85rem 0;display:flex}.result-details dt{color:var(--muted);font-size:.82rem}.result-details dd{color:var(--navy);font-family:var(--font-geist-mono), monospace;text-align:right;margin:0;font-weight:760}.result-note,.result-error{border-left:4px solid var(--orange);color:#5b4939;background:#fff8ef;margin:1rem 0 0;padding:.85rem;font-size:.78rem;line-height:1.55}.content-section,.example-panel,.sources,footer{max-width:1180px;margin:0 auto;padding:6rem 24px 0}.section-heading{max-width:680px}.section-heading h2,.example-panel h2{color:var(--navy);letter-spacing:-.04em;font-size:clamp(2rem,4vw,3.25rem)}.method-grid,.faq-grid{grid-template-columns:repeat(4,1fr);gap:1px;margin-top:2rem;display:grid}.method-grid article,.faq-grid article{background:var(--paper);border:1px solid var(--line);margin-right:-1px;padding:1.6rem}.step-number{color:var(--orange-dark);font-family:var(--font-geist-mono), monospace;font-size:.8rem;font-weight:800}.method-grid h3,.faq-grid h3{color:var(--navy);margin:1.2rem 0 .6rem}.method-grid p,.faq-grid p,.example-panel>p,.sources p,footer p{color:var(--muted);line-height:1.7}.example-panel{background:var(--navy);color:#fff;max-width:none;margin-top:6rem;padding:4.5rem max(5vw,50vw - 566px)}.example-equation{align-items:center;gap:1.5rem;margin:2.5rem 0 1.5rem;display:flex}.example-equation p{margin:0}.example-equation strong{color:#ffb16f;font-family:var(--font-geist-mono), monospace;font-size:clamp(1.5rem,3vw,2.5rem);display:block}.example-equation span{color:#b9c9d4;font-size:.8rem}.example-equation b{color:#7c93a4;font-size:1.5rem}.faq-grid{grid-template-columns:repeat(3,1fr)}.sources{padding-bottom:5rem}.sources h2{color:var(--navy)}.sources ul{padding-left:1.2rem;line-height:1.8}.review-date{font-family:var(--font-geist-mono), monospace;font-size:.78rem}footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;padding-top:2rem;padding-bottom:3rem;display:flex}footer p{text-align:right;max-width:480px;margin:0}.home-hero{background:var(--navy-deep);color:#fff;grid-template-columns:minmax(0,1fr) 280px;align-items:end;gap:4rem;min-height:520px;padding:7rem max(5vw,50vw - 590px);display:grid}.home-hero h1{max-width:880px}.home-hero>div>p:last-child{color:#c4d2db;max-width:670px;font-size:1.2rem;line-height:1.65}.home-hero aside{border-left:1px solid #456077;gap:.55rem;padding:.5rem 0 .5rem 1.5rem;display:grid}.home-hero aside span,.home-hero aside strong{font-family:var(--font-geist-mono), monospace}.home-hero aside span{color:#ffab61;letter-spacing:.12em;text-transform:uppercase;font-size:.72rem}.project-selector{max-width:1180px;margin:0 auto;padding:6rem 24px}.selector-heading{max-width:720px}.selector-heading h2,.home-promise h2{color:var(--navy);letter-spacing:-.045em;font-size:clamp(2rem,4vw,3.4rem)}.project-card{background:var(--paper);border:1px solid var(--line);flex-direction:column;grid-column:span 2;min-height:340px;padding:1.4rem;text-decoration:none;transition:transform .16s,box-shadow .16s;display:flex;position:relative}.project-card:nth-child(4){grid-column:2/span 2}.project-card:hover,.project-card:focus-visible{outline:2px solid var(--orange);outline-offset:2px;transform:translateY(-4px);box-shadow:0 18px 38px #102a4324}.project-number,.project-card>strong,.project-link{font-family:var(--font-geist-mono), monospace}.project-number{color:var(--orange-dark);font-size:.75rem;font-weight:800}.project-card h3{color:var(--navy);margin:1.3rem 0 .45rem;font-size:1.5rem}.project-card p{color:var(--muted);line-height:1.55}.project-link{color:var(--orange-dark);margin-top:auto;padding-top:1.5rem;font-size:.78rem;font-weight:800}.project-icon{background:#edf1ed;height:95px;margin-top:1rem;position:relative;overflow:hidden}.home-promise{background:#e8e4da;grid-template-columns:1fr 1.2fr;align-items:center;gap:5rem;padding:5rem max(5vw,50vw - 590px);display:grid}.home-promise ol{margin:0;padding:0;list-style:none}.home-promise li{color:var(--navy);border-top:1px solid #bfc3bd;padding:1rem 0;font-weight:720}.home-promise li span{color:var(--orange-dark);font-family:var(--font-geist-mono), monospace;margin-right:1rem;font-size:.72rem}.material-ticket{background-color:#f4f0e6;background-image:linear-gradient(#102a4308 1px,#0000 1px);background-size:100% 24px;padding-top:1.25rem}.ticket-header,.ticket-footer,.project-diagram figcaption{justify-content:space-between;align-items:center;display:flex}.ticket-header{color:var(--navy);font-family:var(--font-geist-mono), monospace;letter-spacing:.12em;text-transform:uppercase;border-bottom:1px dashed #9ca5a2;margin-bottom:1.1rem;padding-bottom:.8rem;font-size:.66rem;font-weight:800}.ticket-header span:last-child{color:var(--success)}.project-diagram{background:#fffdf7;border:1px solid #c7c4ba;margin:0 0 1.3rem}.diagram-canvas{height:118px;position:relative;overflow:hidden}.project-diagram figcaption{border-top:1px solid #d5d1c7;padding:.65rem .75rem}.project-diagram figcaption strong,.project-diagram figcaption span{font-family:var(--font-geist-mono), monospace;font-size:.66rem}.project-diagram figcaption span{color:var(--muted);text-align:right}.diagram-paint .diagram-canvas,.project-icon.diagram-paint{background:linear-gradient(90deg,#d8e3e8 0 72%,#f3b174 72%)}.diagram-paint i:first-child,.project-icon.diagram-paint i:first-child{border:4px solid var(--navy);background:#fffdf7;width:30%;height:46%;position:absolute;top:18%;left:18%}.diagram-paint i:nth-child(2),.project-icon.diagram-paint i:nth-child(2){background:var(--navy);width:17%;height:58%;position:absolute;bottom:0;right:10%}.diagram-concrete .diagram-canvas,.project-icon.diagram-concrete{background:#e8ebe8}.diagram-concrete i:first-child,.project-icon.diagram-concrete i:first-child{border:3px solid var(--navy);background:#8b999e;width:68%;height:42%;position:absolute;bottom:22%;left:16%;transform:skewY(-8deg)}.diagram-tile .diagram-canvas,.project-icon.diagram-tile{background:repeating-linear-gradient(45deg,#d8e2df 0 24px,#fffdf7 24px 27px,#c7d6d2 27px 51px,#fffdf7 51px 54px)}.diagram-flooring .diagram-canvas,.project-icon.diagram-flooring{background:repeating-linear-gradient(90deg,#cfbda2 0 27px,#f6ecdc 27px 29px)}.diagram-flooring i:first-child,.project-icon.diagram-flooring i:first-child{border:3px solid var(--navy);position:absolute;inset:16% 12%}.diagram-landscape .diagram-canvas,.project-icon.diagram-landscape{background-color:#dbe5d4;background-image:radial-gradient(#5f755b 18%,#0000 20%);background-size:16px 16px}.diagram-landscape i:first-child,.project-icon.diagram-landscape i:first-child{border:4px solid #8c633d;border-radius:50%;position:absolute;inset:17% 24%}.ticket-footer{border-top:1px dashed #9ca5a2;margin-top:1.1rem;padding-top:1rem}.ticket-footer span{color:var(--muted);font-family:var(--font-geist-mono), monospace;font-size:.62rem}.ticket-footer button{background:var(--navy);color:#fff;cursor:pointer;border:0;padding:.65rem .8rem;font-size:.72rem;font-weight:750}.ticket-actions{gap:.45rem;display:flex}@media (width<=860px){body{padding-bottom:58px}.site-header>.desktop-nav{display:none}.mobile-tool-dock{z-index:70;display:block;position:fixed;bottom:0;left:0;right:0}.hero{padding-top:4.5rem}.calculator-heading,.calculator-grid{display:block}.unit-toggle{width:fit-content;margin-top:1.2rem}.result-card{border-left:0;border-top:1px solid var(--line)}.method-grid,.faq-grid{grid-template-columns:repeat(2,1fr)}.home-hero,.home-promise{grid-template-columns:1fr}.project-card,.project-card:nth-child(4){grid-column:span 3}.ticket-footer{align-items:flex-start;gap:.75rem}}@media (width<=580px){.site-header{padding:0 18px}.hero{padding:4rem 20px 6rem}#calculator{padding:0 12px}.calculator-heading,.calculator-form,.result-card{padding:1.35rem}.field-grid-two,.field-grid-three,.method-grid,.faq-grid{grid-template-columns:1fr}.segmented-field label{margin:0 0 .5rem;display:flex}.content-section{padding-top:4rem}.example-panel{margin-top:4rem;padding:3.5rem 20px}.example-equation{flex-direction:column;align-items:start;gap:.7rem}.example-equation b{display:none}footer{align-items:start;display:block}footer p{text-align:left;margin-top:1.2rem}.home-hero{gap:2.5rem;padding:5rem 20px}.project-grid{display:block}.project-card{margin-bottom:1rem}.home-promise{gap:2rem;padding:4rem 20px}}@media print{@page{margin:12mm}body{background:#fff;padding-bottom:0}.site-header,.mobile-tool-dock,main>:not(#calculator),.calculator-heading,.calculator-form{display:none!important}#calculator{max-width:none;margin:0;padding:0}.calculator-shell{box-shadow:none;border:0}.calculator-grid{display:block}.material-ticket{border:1px solid #222;width:100%;max-width:520px;min-height:0;margin:0;padding:1rem 1.25rem;position:static}.diagram-canvas{height:90px}.ticket-footer button{display:none}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.dock-state{transition:none}}body{background-color:var(--canvas);color:var(--text);background-image:radial-gradient(#2d30330a .7px,#0000 .7px);background-size:5px 5px}h1,h2,h3,.brand,.primary-result strong{font-family:Rockwell,Roboto Slab,Georgia,Times New Roman,serif}h1{letter-spacing:-.035em;font-size:clamp(2.5rem,5vw,4.6rem);line-height:1.02}h2{letter-spacing:-.025em}:where(a,button,input,select,summary):focus-visible{outline:3px solid var(--focus);outline-offset:3px}.button{border-radius:var(--radius);border:1px solid #0000;justify-content:center;align-items:center;min-height:46px;padding:.75rem 1.15rem;font-weight:750;text-decoration:none;display:inline-flex}.button-primary{background:var(--primary);color:#fff}.button-primary:hover{background:var(--primary-hover)}.text-link{color:var(--primary-hover);text-underline-offset:.2em;font-weight:750}.site-header{background:var(--surface);border:1px solid var(--text);min-height:66px;padding:0 max(3vw, calc((100vw - var(--content-width)) / 2))}.brand{letter-spacing:-.01em;text-transform:none;font-size:1.05rem;font-weight:800}.brand strong{color:inherit;display:inline}.brand-mark{border:2px solid var(--text);color:#0000;background:0 0;width:32px;height:32px;overflow:hidden}.brand-mark:after{background:var(--primary);width:24px;height:2px;top:14px;left:4px;transform:rotate(45deg)}.brand-mark i{border:2px solid var(--text);width:9px;height:9px;display:block;position:absolute}.brand-mark i:first-child{top:4px;left:4px}.brand-mark i:nth-child(2){top:4px;right:4px}.brand-mark i:nth-child(3){bottom:4px;left:11px}.primary-nav{margin-left:auto}.site-header .primary-nav a{color:var(--text);font-weight:600}.site-header .primary-nav a:hover{color:var(--primary-hover)}.desktop-tool-switcher{margin-left:1.5rem;position:relative}.desktop-tool-switcher>summary{background:var(--primary);border-radius:var(--radius);color:#fff;cursor:pointer;min-width:218px;padding:.72rem 1rem;font-weight:700;list-style:none}.desktop-tool-switcher>summary::-webkit-details-marker{display:none}.desktop-tool-switcher>summary:after{content:"+";float:right}.desktop-tool-switcher[open]>summary:after{content:"−"}.site-header .desktop-tool-switcher nav{background:var(--surface);border:1px solid var(--text);z-index:80;gap:0;min-width:250px;padding:.45rem;display:grid;position:absolute;top:calc(100% + .5rem);right:0}.site-header .desktop-tool-switcher nav a,.mobile-tool-dock nav a{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:.78rem;display:flex}.site-header .desktop-tool-switcher nav a:last-child{border-bottom:0}.site-header .desktop-tool-switcher nav a[aria-current=page]{color:var(--accent-dark)}.desktop-tool-switcher small,.mobile-tool-dock nav small{color:var(--accent-dark);letter-spacing:.08em;text-transform:uppercase;font-size:.66rem}.home-hero{background:var(--canvas);border:1px solid var(--text);min-height:300px;padding:2.5rem max(3vw, calc((100vw - var(--content-width)) / 2));text-align:center;border-top:0;grid-template-columns:minmax(180px,.7fr) minmax(420px,1.4fr) minmax(180px,.7fr);align-items:center;gap:2rem;display:grid}.home-hero-copy{justify-self:center;max-width:720px}.home-hero .eyebrow{color:var(--accent-dark)}.home-hero h1{color:var(--text);max-width:none;margin-bottom:.7rem;font-size:clamp(2.9rem,5vw,4.5rem)}.home-hero-copy>p:not(.eyebrow){color:var(--text);max-width:630px;margin:0 auto 1.25rem;font-size:1.05rem;line-height:1.55}.workshop-illustration{color:var(--text);opacity:.72;background-image:url(/hero-workshop-tools.webp);background-position:0;background-repeat:no-repeat;background-size:200%;width:min(100%,320px);height:170px}.tape-left{justify-self:end}.tape-right{background-position:100%;justify-self:start}.project-selector{border:1px solid var(--text);max-width:none;padding:2.2rem max(3vw, calc((100vw - var(--content-width)) / 2));border-top:0}.selector-heading{justify-content:space-between;align-items:end;gap:1rem 2rem;max-width:none;display:flex}.selector-heading .eyebrow{position:absolute;left:-9999px}.selector-heading h2{color:var(--text);margin:0;font-size:clamp(1.8rem,3vw,2.5rem)}.selector-heading>p:last-child{color:var(--text-muted);margin:0}.project-grid{grid-template-columns:repeat(5,1fr);gap:.75rem;margin-top:1.4rem;display:grid}.project-card,.project-card:nth-child(4){background:var(--surface);border:1px solid var(--text);border-radius:var(--radius);text-align:center;grid-column:auto;min-height:255px;padding:.45rem}.project-card:before{background:var(--primary);border-radius:calc(var(--radius) - 1px);color:#fff;content:"";height:38px;position:absolute;inset:.45rem .45rem auto}.project-card:hover,.project-card:focus-visible{outline-color:var(--focus);transform:translateY(-2px);box-shadow:0 8px #2d30331f}.project-number{color:#fff;z-index:1;position:absolute;top:1.15rem;left:.9rem}.project-card h3{color:#fff;z-index:1;margin:.55rem 0 1.1rem;font-size:1.25rem;position:relative}.project-icon{background-color:var(--surface-muted);height:82px;margin:.4rem .55rem .8rem}.project-card p{color:var(--text);margin-bottom:.35rem;font-size:.86rem}.project-card>strong{color:var(--text-muted);font-size:.65rem}.project-link{color:var(--primary-hover);padding:.85rem 0 .4rem;font-size:.68rem}.home-workflow{border:1px solid var(--text);border-top:0;grid-template-columns:1.25fr .85fr;display:grid}.how-it-works,.ticket-preview{padding:2.2rem max(3vw, calc((100vw - var(--content-width)) / 2))}.how-it-works{border-right:1px solid var(--text);padding-right:2.5rem}.how-it-works h2,.ticket-preview>h2{font-size:2rem}.how-it-works ol{grid-template-columns:repeat(3,1fr);gap:0;margin:1.5rem 0 0;padding:0;list-style:none;display:grid}.how-it-works li{border-right:1px solid var(--border);align-items:flex-start;gap:.85rem;padding:0 1.25rem;display:flex}.how-it-works li:first-child{padding-left:0}.how-it-works li:last-child{border-right:0}.how-it-works li>span{border:1px solid var(--text);border-radius:50%;justify-content:center;align-items:center;min-width:44px;height:44px;font-family:Rockwell,Georgia,serif;font-size:1.4rem;display:inline-flex}.how-it-works strong{display:block}.how-it-works p{color:var(--text-muted);margin:.4rem 0 0;font-size:.84rem;line-height:1.5}.ticket-preview{background:#f8f4eb8c;padding-left:2rem}.preview-ticket{background:var(--surface);border:1px solid var(--text);margin-top:1rem;padding:1rem;position:relative}.preview-ticket:before,.material-ticket:before{background:var(--accent);content:"";height:10px;position:absolute;inset:0 0 auto}.preview-ticket header{border-bottom:1px dashed var(--border);text-transform:uppercase;justify-content:space-between;padding:.35rem 0 .7rem;font-size:.68rem;display:flex}.preview-ticket header strong{color:var(--primary)}.preview-ticket h3{margin:.85rem 0}.preview-ticket dl{margin:0}.preview-ticket dl div{border-top:1px solid var(--border);justify-content:space-between;padding:.45rem 0;font-size:.82rem;display:flex}.preview-ticket dd{text-align:right;margin:0;font-weight:700}.preview-ticket>p{color:var(--text-muted);margin:.8rem 0 0;font-size:.72rem}.trust-strip,.home-faq{max-width:var(--content-width);margin:0 auto;padding:4rem 24px}.trust-strip{grid-template-columns:1.1fr .9fr;align-items:end;gap:2rem;display:grid}.trust-strip h2,.home-faq h2{color:var(--text);font-size:clamp(2rem,4vw,3.25rem)}.trust-strip ul{border-left:1px solid var(--text);margin:0;padding-left:1.5rem;list-style:none}.trust-strip li{border-bottom:1px solid var(--border);padding:.55rem 0}.trust-strip .text-link{grid-column:2}.home-faq{border-top:1px solid var(--border)}.hero,.concrete-hero,.tile-hero,.flooring-hero,.landscape-hero{background:var(--surface);border-bottom:1px solid var(--text);color:var(--text);min-height:0;padding:2.6rem max(3vw, calc((100vw - var(--content-width)) / 2)) 3.5rem}.hero:after{background-color:#0000;background-image:linear-gradient(90deg,#0000 49.7%,#2d30330f 50%),linear-gradient(#0000 49.7%,#2d30330f 50%);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:32px 32px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;inset:0 0 0 70%}.hero h1{color:var(--text);max-width:850px;font-size:clamp(2.5rem,4.5vw,4rem)}.hero .eyebrow,.calculator-heading .eyebrow{color:var(--accent-dark)}.hero-lead{color:var(--text-muted);max-width:760px}.trust-list li:before{color:var(--primary)}.hero-measure{color:var(--accent-dark);height:52px}.hero-measure span{border-color:var(--accent);color:var(--accent-dark)}.hero-measure i{border-color:var(--border)}#calculator{max-width:var(--content-width);margin:0 auto;padding:2.3rem 24px 0}.calculator-shell{box-shadow:none;background:0 0;border:0}.calculator-heading,.concrete-heading,.tile-heading,.flooring-heading,.landscape-heading{border:1px solid var(--text);color:var(--text);background:0 0;border-bottom:0;padding:1.35rem 1.6rem}.calculator-heading h2{font-size:2rem}.calculator-heading p:last-child{color:var(--text-muted)}.unit-toggle{border-color:var(--text);border-radius:var(--radius)}.unit-toggle button{color:var(--text);min-height:44px}.unit-toggle button[aria-pressed=true]{background:var(--primary);color:#fff}.calculator-grid{grid-template-columns:minmax(0,1fr) minmax(340px,.96fr);align-items:start;gap:2.2rem}.calculator-form,.result-card{background:var(--surface);border:1px solid var(--text);margin:0}.calculator-form{border-left:7px double var(--accent);padding:1.65rem}.result-card{border-left:1px solid var(--text);padding:1.7rem}.material-ticket{background-color:var(--surface);background-image:repeating-linear-gradient(90deg,#0000 0 23px,#2d303314 24px 25px);background-position:0 10px;background-repeat:repeat-x;background-size:auto 16px;position:sticky;top:92px}.ticket-header{margin-top:.45rem}.input-wrap{border-color:var(--border);border-radius:var(--radius);background:#fff9;min-height:46px}.input-wrap:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #285f992e}.input-wrap:has(input[aria-invalid=true]){border-color:var(--danger);box-shadow:0 0 0 1px var(--danger)}.field .field-error,.field-error{color:var(--danger);margin-top:.35rem;font-size:.78rem;font-weight:700;line-height:1.4;display:block}.segmented-field label{border-color:var(--border);border-radius:var(--radius);background:#ffffff70;min-height:44px}.segmented-field label:has(input:checked){border-color:var(--primary);background:#3d7e5a1f}.primary-result{border-color:var(--accent)}.primary-result strong{color:var(--text)}.ticket-footer button,.add-room,.remove-room{background:var(--primary);border:1px solid var(--primary);border-radius:var(--radius);color:#fff;min-height:44px}.ticket-footer button:hover,.add-room:hover,.remove-room:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.shape-selector{border:0;margin:0 0 1.35rem;padding:0}.shape-selector legend{color:var(--text);margin-bottom:.8rem;font-family:Rockwell,Georgia,serif;font-size:1.25rem;font-weight:700}.shape-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:.7rem;display:grid}.shape-option{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);cursor:pointer;background:#ffffff7a;min-height:134px;padding:.65rem .4rem}.shape-option[aria-pressed=true]{border:3px solid var(--primary);background:#3d7e5a1f;padding:calc(.65rem - 2px) calc(.4rem - 2px)}.shape-option>i{width:76px;height:62px;margin:0 auto .45rem;display:block;position:relative}.shape-option>i:before{background:var(--surface-muted);border:2px solid var(--text);content:"";position:absolute;inset:19px 7px 10px;transform:skewY(-18deg)}.shape-column>i:before{border-radius:50% 50% 14% 14%;inset:5px 22px 4px;transform:none}.shape-wall>i:before{inset:4px 20px 5px;transform:skewY(-12deg)}.shape-circular-pad>i:before{border-radius:50%;inset:15px 8px;transform:none}.shape-option span{font-weight:750;display:block}.shape-option small{color:var(--text-muted);margin-top:.2rem;font-size:.66rem;display:block}.content-section,.sources,.home-faq{max-width:var(--content-width)}.content-section{padding-top:5rem}.section-heading h2,.example-panel h2,.sources h2{color:var(--text);font-family:Rockwell,Roboto Slab,Georgia,serif}.method-grid article,.faq-grid article{border-color:var(--border);background:0 0}.method-grid article:first-child,.faq-grid article:first-child{border-left-color:var(--text)}.example-panel,.concrete-example,.tile-example,.flooring-example,.landscape-example{background:var(--surface-muted);border-bottom:1px solid var(--text);border-top:1px solid var(--text);color:var(--text)}.example-panel h2{color:var(--text)}.example-equation strong{color:var(--accent-dark)}.example-equation span,.example-panel>p{color:var(--text-muted)}.example-equation b{color:var(--border)}.sources a{color:var(--primary-hover)}.buying-guidance{grid-template-columns:.9fr 1.1fr;gap:2rem;display:grid}.buying-guidance ul{border-top:1px solid var(--text);margin:0;padding:0;list-style:none}.buying-guidance li{border-bottom:1px solid var(--border);padding:.9rem 0 .9rem 1.6rem;line-height:1.55;position:relative}.buying-guidance li:before{color:var(--accent-dark);content:"✓";position:absolute;left:0}.related-tools{border-top:1px solid var(--border);grid-template-columns:.8fr 1.2fr;align-items:end;gap:2rem;display:grid}.related-tools nav{grid-template-columns:repeat(2,1fr);gap:.7rem;display:grid}.related-tools nav a{background:var(--surface);border:1px solid var(--text);padding:1rem;font-family:Rockwell,Georgia,serif;font-size:1.15rem;font-weight:700;text-decoration:none}.related-tools nav a span{color:var(--primary-hover);font-family:var(--font-geist-sans), Arial, sans-serif;margin-top:.55rem;font-size:.72rem;display:block}.site-footer{background:var(--text);color:var(--surface);max-width:none;padding:2.5rem max(3vw, calc((100vw - var(--content-width)) / 2));border:0;grid-template-columns:1.8fr repeat(3,1fr);align-items:start;gap:2rem;margin:4rem 0 0;display:grid}.site-footer .brand-mark,.site-footer .brand-mark i{border-color:var(--surface)}.site-footer .brand-mark:after{background:var(--accent)}.footer-intro p,.footer-disclaimer{color:#f8f4ebad;line-height:1.6}.site-footer nav{gap:.55rem;display:grid}.site-footer nav strong{color:var(--accent);letter-spacing:.1em;text-transform:uppercase;margin-bottom:.35rem;font-size:.72rem}.site-footer nav a{font-size:.86rem;text-decoration:none}.footer-disclaimer{text-align:left;border-top:1px solid #f8f4eb47;grid-column:1/-1;margin:0;padding-top:1rem;font-size:.72rem}.article-hero{background:var(--surface);border-bottom:1px solid var(--text);padding:3.5rem max(3vw, calc((100vw - var(--content-width)) / 2))}.article-hero h1{max-width:none}.article-hero>p:last-child{max-width:860px;font-size:clamp(1.1rem,2vw,1.35rem);line-height:1.55}.article-layout{max-width:var(--content-width);grid-template-columns:260px minmax(0,1fr);margin:0 auto;padding:0 24px;display:grid}.article-index{border-right:1px solid var(--border);padding:3rem 2rem 3rem 0}.article-index p{font-family:var(--font-geist-mono), monospace;letter-spacing:.1em;text-transform:uppercase;font-size:.7rem;font-weight:750}.article-index a{border-top:1px solid var(--border);padding:.65rem 0;display:block}.article-body{padding:0 0 0 3rem}.article-body>section{border-bottom:1px solid var(--border);grid-template-columns:minmax(200px,.8fr) minmax(0,1.4fr);gap:1rem 2.5rem;padding:2.8rem 0;display:grid}.article-body>section>h2{grid-column:1;margin:0;font-size:clamp(1.7rem,3vw,2.6rem)}.article-body>section>p:not(.section-number):not(.review-date),.article-body>section>a,.article-body>section>br,.article-body>section>.review-date{grid-column:2}.article-body p{line-height:1.65}.section-number{color:var(--accent-dark);font-family:var(--font-geist-mono), monospace;grid-column:1;margin:0;font-size:.72rem}.article-callout{background:var(--surface-muted);border:1px solid var(--text);margin-top:2rem;padding:2rem!important}.contact-status .button[aria-disabled=true]{background:var(--disabled);border-color:var(--border);color:var(--text-muted);cursor:not-allowed;grid-column:2}.not-found-page{text-align:center;flex-direction:column;align-items:center;min-height:640px;padding:8rem 24px 4rem;display:flex}.not-found-page h1{max-width:none;margin-bottom:.5rem;font-size:clamp(4rem,10vw,8rem)}.not-found-page>p:not(.eyebrow){max-width:650px;font-size:1.2rem;line-height:1.6}.not-found-links{border:1px solid var(--border);margin-top:1.5rem;display:flex}.not-found-links a{border-right:1px solid var(--border);padding:.8rem 1rem;text-decoration:none}.not-found-links a:last-child{border-right:0}.broken-ruler{border:1px solid var(--border);width:min(390px,80vw);height:30px;margin-top:8rem;position:relative}.broken-ruler:before{background:repeating-linear-gradient(90deg, var(--border) 0 1px, transparent 1px 10px);content:"";height:12px;position:absolute;inset:0}@media (width<=980px){.site-header .primary-nav{display:none}.project-grid{grid-template-columns:repeat(3,1fr)}.home-workflow{grid-template-columns:1fr}.how-it-works{border-bottom:1px solid var(--text);border-right:0}.shape-grid{grid-template-columns:repeat(3,1fr)}}@media (width<=860px){body{padding-bottom:calc(58px + env(safe-area-inset-bottom))}.site-header{padding:0 18px}.desktop-tool-switcher{display:none}.mobile-tool-dock summary{background:var(--primary-hover)}.mobile-tool-dock nav{background:var(--surface);border-color:var(--text)}.mobile-tool-dock nav a[aria-current=page]{color:var(--primary-hover);background:#3d7e5a21}.home-hero{grid-template-columns:1fr;min-height:0;padding:3rem 20px}.workshop-illustration{display:none}.project-grid{grid-template-columns:repeat(2,1fr)}.calculator-grid{display:block}.calculator-form{margin-bottom:1rem}.material-ticket{position:static}.site-footer{grid-template-columns:repeat(3,1fr)}.footer-intro{grid-column:1/-1}.article-layout{grid-template-columns:1fr}.article-index{border-bottom:1px solid var(--border);border-right:0;padding:1.5rem 0}.article-body{padding-left:0}.buying-guidance,.related-tools{grid-template-columns:1fr}}@media (width<=580px){.brand{font-size:.9rem}.home-hero{text-align:left}.home-hero-copy{max-width:none}.home-hero-copy>p:not(.eyebrow){margin-left:0}.selector-heading{align-items:start;display:block}.selector-heading>p:last-child{margin-top:.5rem}.project-grid{grid-template-columns:1fr;display:grid}.project-card{text-align:left;min-height:190px}.project-card h3{padding-left:2.1rem}.project-icon{height:58px;margin-left:.55rem;margin-right:.55rem}.how-it-works ol{grid-template-columns:1fr}.how-it-works li{border-bottom:1px solid var(--border);border-right:0;padding:1rem 0}.trust-strip{display:block}.trust-strip ul{margin:1.5rem 0}.trust-strip .text-link{display:inline-block}.calculator-heading{align-items:start;display:block}.calculator-form,.result-card{padding:1.15rem}.shape-grid{grid-template-columns:repeat(2,1fr)}.shape-option{min-height:120px}.site-footer{grid-template-columns:1fr 1fr}.site-footer nav:first-of-type{grid-column:1/-1}.article-hero{padding:2.5rem 20px}.article-body>section{padding:2rem 0;display:block}.article-body>section>*{margin-bottom:.8rem}.related-tools nav{grid-template-columns:1fr}.not-found-page{min-height:560px;padding-top:5rem}.not-found-links{flex-direction:column;align-items:stretch;width:100%}.not-found-links a{border-bottom:1px solid var(--border);border-right:0}.not-found-links a:last-child{border-bottom:0}.broken-ruler{margin-top:5rem}}@media print{.site-footer{display:none!important}.material-ticket{position:static}}
