:root{--dw-ink:#071a34;--dw-navy:#17395e;--dw-blue:#286aab;--dw-steel:#8ea7bd;--dw-yellow:#f0b83f;--dw-green:#27bd91;--dw-soft:#f3f7fa;--dw-line:#d7e2ea;--dw-muted:#5a7188;--dw-shadow:0 24px 70px rgba(8,31,56,.13);--dw-radius:30px}.drywall-pro{background:linear-gradient(180deg,#f8fafc 0,#eef4f7 48%,#f8fafc 100%);color:var(--dw-ink)}.drywall-pro main{overflow:hidden}.drywall-pro h1,.drywall-pro h2,.drywall-pro h3{color:var(--dw-ink);letter-spacing:-.045em}.drywall-pro .eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;padding:7px 11px;border-radius:999px;background:#e8f1f8;color:#4b6881;font-size:.74rem;font-weight:950;text-transform:uppercase;letter-spacing:.11em}.drywall-pro .btn-primary,.drywall-pro .btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:999px;font-weight:900;border:1px solid transparent;cursor:pointer;transition:.18s ease}.drywall-pro .btn-primary{background:linear-gradient(135deg,#14385f,#286aab 62%,#27bd91);color:#fff;box-shadow:0 14px 30px rgba(27,86,141,.25)}.drywall-pro .btn-secondary{background:#fff;color:var(--dw-ink);border-color:var(--dw-line);box-shadow:0 8px 24px rgba(9,34,67,.07)}.drywall-pro .btn-primary:hover,.drywall-pro .btn-secondary:hover{transform:translateY(-2px)}.site-header .brand-logo{display:inline-flex;align-items:center}.site-header .brand-logo img{display:block;width:190px;max-width:100%;height:auto}.header-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border-radius:999px;background:linear-gradient(135deg,#14385f,#286aab 62%,#27bd91);color:#fff;font-weight:900;box-shadow:0 14px 30px rgba(27,86,141,.22)}
.drywall-hero{padding:58px 0 42px;background:radial-gradient(circle at 82% 4%,rgba(240,184,63,.17),transparent 29%),radial-gradient(circle at 12% 8%,rgba(40,106,171,.13),transparent 31%)}.drywall-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);gap:48px;align-items:center}.drywall-hero-copy h1{max-width:820px;margin:0 0 20px;font-size:clamp(2.75rem,5.15vw,5.45rem);line-height:.96;font-weight:950}.drywall-hero-copy .lead{max-width:780px;margin:0;color:var(--dw-muted);font-size:1.12rem;line-height:1.72;font-weight:620}.lead-mobile{display:none}.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:22px;color:#71859a;font-size:.9rem}.breadcrumb a{color:#506b84}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.drywall-trust{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}.drywall-trust span{padding:9px 12px;border:1px solid rgba(35,88,139,.13);border-radius:999px;background:rgba(255,255,255,.78);font-size:.83rem;font-weight:850;color:#31516d}.drywall-visual{position:relative;padding:18px;border-radius:36px;background:linear-gradient(145deg,#0c2744,#173f67 65%,#315f7d);box-shadow:0 38px 90px rgba(5,29,52,.28);color:#fff;overflow:hidden}.drywall-visual::before{content:"";position:absolute;right:-70px;top:-75px;width:250px;height:250px;border-radius:50%;background:rgba(240,184,63,.25)}.visual-head{position:relative;display:flex;justify-content:space-between;padding:6px 4px 16px;color:rgba(255,255,255,.72);font-size:.82rem;font-weight:850}.visual-head b{color:#fff;letter-spacing:.09em}.section-model{position:relative;height:285px;border-radius:26px;background:linear-gradient(180deg,#dfe8ed,#b9c9d3);box-shadow:inset 0 0 0 1px rgba(255,255,255,.65);overflow:hidden}.board{position:absolute;top:28px;bottom:28px;width:72px;border-radius:9px;background:linear-gradient(90deg,#f6f3e8,#d9d6c8);box-shadow:0 12px 22px rgba(16,35,50,.18)}.board-left{left:63px}.board-right{right:63px}.stud{position:absolute;top:36px;bottom:36px;width:18px;background:linear-gradient(90deg,#647a8b,#d4dce1 50%,#657b8c);border-radius:4px}.stud-a{left:42%}.stud-b{right:42%}.insulation{position:absolute;left:135px;right:135px;top:45px;bottom:45px;background:repeating-linear-gradient(135deg,#f1c85e 0 8px,#e0ab2d 8px 16px);opacity:.85;border-radius:8px}.dimension{position:absolute;display:flex;align-items:center;gap:7px;color:#163451;font-size:.7rem;font-weight:950}.dimension i{display:block;background:#315d7b}.dimension-width{left:74px;right:74px;bottom:10px;justify-content:center}.dimension-width i{height:1px;flex:1}.dimension-height{right:16px;top:42px;bottom:42px;flex-direction:column}.dimension-height i{width:1px;flex:1}.visual-stats{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:12px}.visual-stats>div{padding:13px;border:1px solid rgba(255,255,255,.13);border-radius:18px;background:rgba(255,255,255,.1)}.visual-stats span{display:block;color:rgba(255,255,255,.65);font-size:.72rem;font-weight:800}.visual-stats strong{display:block;margin-top:4px;color:#fff;font-size:1.15rem}.anchor-nav{border-top:1px solid rgba(206,220,230,.8);border-bottom:1px solid rgba(206,220,230,.9);background:#f8fbfc}.anchor-scroll{display:flex;gap:28px;overflow-x:auto;padding-top:17px;padding-bottom:17px;scrollbar-width:none}.anchor-scroll a{flex:0 0 auto;color:#3f5870;font-size:.84rem;font-weight:900}.anchor-scroll a:hover{color:#17395e}
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td:first-child{font-weight:850;color:var(--dw-ink)}.cost-breakdown{display:grid;gap:8px}.cost-breakdown>div{display:flex;justify-content:space-between;gap:15px;padding:13px 15px;border:1px solid var(--dw-line);border-radius:15px;background:#fff}.cost-breakdown span{color:#5e758b}.cost-breakdown strong{color:var(--dw-ink)}
.drywall-section{padding-top:58px;padding-bottom:58px}.drywall-soft{background:rgba(230,238,243,.48);border-top:1px solid rgba(205,220,230,.65);border-bottom:1px solid rgba(205,220,230,.65)}.content-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.content-article{padding:34px;border:1px solid var(--dw-line);border-radius:30px;background:#fff;box-shadow:0 18px 46px rgba(9,38,70,.07)}.content-article h2{margin:0 0 18px;font-size:clamp(2rem,3.4vw,3.2rem)}.content-article h3{margin:34px 0 12px;font-size:1.65rem}.content-article p,.content-article li{color:#526b82;line-height:1.8}.content-article strong{color:#1b3e63}.formula-box{margin:22px 0;padding:18px;border-radius:20px;background:linear-gradient(135deg,#edf5fb,#eef9f5);border:1px solid #b9d5df;color:#214b70;font:700 .9rem/1.75 ui-monospace,SFMono-Regular,Menlo,monospace}.content-aside{position:sticky;top:18px;display:grid;gap:12px}.content-aside div{padding:17px;border:1px solid var(--dw-line);border-radius:20px;background:#fff;box-shadow:0 10px 30px rgba(10,39,70,.06)}.content-aside span,.content-aside small{display:block;color:#74879a;font-size:.75rem}.content-aside strong{display:block;margin:5px 0;color:#173e65}.system-grid,.example-grid,.source-grid,.related-grid,.faq-grid{display:grid;gap:14px}.system-grid{grid-template-columns:repeat(4,1fr)}.system-grid article,.example-card{padding:22px;border:1px solid var(--dw-line);border-radius:24px;background:#fff;box-shadow:0 14px 36px rgba(9,38,70,.06)}.system-grid article>span,.example-card>span{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:13px;background:#17395e;color:#fff;font-weight:950}.system-grid h3,.example-card h3{margin:12px 0 9px;font-size:1.28rem}.system-grid p,.example-card p{margin:0;color:#5b7288;line-height:1.68}.example-grid{grid-template-columns:repeat(3,1fr)}.source-grid{grid-template-columns:repeat(4,1fr)}.source-grid a{padding:20px;border:1px solid var(--dw-line);border-radius:22px;background:#fff;box-shadow:0 12px 30px rgba(10,38,69,.06)}.source-grid span,.source-grid small{display:block;color:#71859a;font-size:.74rem}.source-grid strong{display:block;margin:6px 0;color:#153d65}.review-note{margin-top:14px;color:#637b91}.related-grid{grid-template-columns:repeat(5,1fr)}.related-card{padding:19px;border:1px solid var(--dw-line);border-radius:22px;background:#fff;box-shadow:0 12px 30px rgba(10,38,69,.06);transition:.18s ease}.related-card:hover{transform:translateY(-4px)}.related-card>span{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#eaf3fa;color:#195b91;font-weight:950}.related-card strong,.related-card small{display:block}.related-card strong{margin:10px 0 5px;color:var(--dw-ink)}.related-card small{color:#70849a;line-height:1.45}.faq-grid{grid-template-columns:repeat(2,1fr)}.faq-grid details{border:1px solid var(--dw-line);border-radius:20px;background:#fff;overflow:hidden}.faq-grid summary{position:relative;cursor:pointer;list-style:none;padding:18px 54px 18px 19px;color:var(--dw-ink);font-weight:900}.faq-grid summary::-webkit-details-marker{display:none}.faq-grid summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#edf4f8;color:#195b91}.faq-grid details[open] summary::after{content:"–"}.faq-grid p{margin:0;padding:0 19px 19px;color:#5a7389;line-height:1.65}.footer{margin-top:0;padding:52px 0 22px;background:linear-gradient(145deg,#07172b,#123556);color:#fff}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:28px;align-items:start}.footer img{display:block;width:190px;max-width:100%;height:auto;margin-bottom:14px}.footer p{margin:12px 0 0;color:rgba(255,255,255,.64);line-height:1.6}.footer h3{margin:0 0 12px;color:#fff;font-size:14px}.footer-links{display:grid;gap:8px}.footer-links a{display:block;color:rgba(255,255,255,.72);font-size:12px;font-weight:700;line-height:1.45}.footer-links a:hover{color:#fff}.footer-bottom{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}.footer-bottom p{margin:0;font-size:11px}
@media(max-width:1100px){.drywall-hero-grid,.drywall-work,.content-shell{grid-template-columns:1fr}.drywall-visual{max-width:700px}.drywall-result{position:relative;top:auto}.system-grid{grid-template-columns:repeat(2,1fr)}.related-grid{grid-template-columns:repeat(3,1fr)}.source-grid{grid-template-columns:repeat(2,1fr)}.content-aside{position:relative;top:auto;grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.drywall-hero{padding:22px 0 20px}.breadcrumb{display:none}.drywall-hero-grid{gap:22px}.drywall-hero-copy h1{font-size:clamp(2.35rem,11vw,3.6rem)}.lead-desktop,.drywall-visual,.anchor-nav{display:none}.lead-mobile{display:inline}.drywall-hero-copy .lead{font-size:1rem;line-height:1.58}.hero-actions .btn-secondary{display:none}.drywall-trust{display:grid;grid-template-columns:1fr 1fr}.drywall-trust span{text-align:center;font-size:.72rem;padding:8px}.drywall-work{padding-top:30px}.drywall-form,.drywall-result{padding:18px;border-radius:25px}.form-top{display:block}.live-badge{margin-top:10px}.mode-switch{grid-template-columns:1fr}.mode-button{grid-template-columns:auto minmax(0,1fr);padding:14px}.mode-button em{grid-column:2;justify-self:start;align-self:center;margin-top:5px}.construction-picker,.field-grid,.quick-options,.feature-grid,.result-metrics,.advanced-stat-grid,.material-summary,.faq-grid,.source-grid,.example-grid,.content-aside,.system-grid{grid-template-columns:1fr}.zone-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.zone-field:first-child,.zone-field:last-child{grid-column:1/-1}.scenario-grid{grid-template-columns:1fr 1fr}.related-grid{grid-template-columns:1fr 1fr}.result-main{padding:20px}.result-main output{font-size:3.2rem}.drywall-section{padding-top:40px;padding-bottom:40px}.content-article{padding:21px;border-radius:24px}.content-article h3{font-size:1.4rem}.section-head h2{font-size:2rem}.form-actions,.result-actions{display:grid}.form-actions button{width:100%}.result-top{display:block}.result-top>span{display:inline-flex;margin-top:6px}.advanced-toolbar{display:block}.advanced-toolbar button{margin-top:10px}.footer-grid{grid-template-columns:1fr}.footer{padding-top:38px}.header-cta{display:none}}
@media(max-width:420px){.zone-grid,.scenario-grid,.related-grid{grid-template-columns:1fr}.drywall-form,.drywall-result{padding:15px}.drywall-hero-copy h1{font-size:2.28rem}.result-main-label{display:block}.result-main-label b{display:inline-flex;margin-top:8px}.result-main output{font-size:2.85rem}.result-progress-legend{display:block}.result-progress-legend span{display:block;margin-top:5px}}
@media print{.site-header,.drywall-hero,.anchor-nav,.drywall-form,.result-actions,.drywall-section,.footer{display:none!important}.drywall-work{display:block;padding:0}.drywall-result{box-shadow:none;border:0;position:static}.advanced-result-panel[hidden]{display:block!important}body{background:#fff}}