:root{--ink:#193e3a;--body:#355b55;--muted:#66817c;--brand:#138774;--brand-dark:#0b695b;--line:#dbe8e3;--wash:#f8f8f4;--cream:#fff7ed;--peach:#ffe6d5;--white:#fff;--shadow:0 18px 56px rgba(36,83,70,.075);--round:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--body);background:#fbfcf9;font:15px/1.6 -apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--ink);line-height:1.14;letter-spacing:-.038em}h1{font-size:clamp(39px,4.7vw,65px);font-weight:790;margin-bottom:21px}h2{font-size:clamp(28px,3vw,40px);font-weight:780;margin-bottom:13px}h3{font-size:21px;letter-spacing:-.025em}p{line-height:1.75}a{color:var(--brand-dark);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}input,select{color:var(--ink)}input::placeholder{color:#8ca39e}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #ffbc85;outline-offset:2px}img{max-width:100%}.container{max-width:1204px;padding:0 26px;margin:auto}.skip-link{position:absolute;top:-60px;left:10px;background:#fff;color:var(--ink);padding:9px 17px;z-index:200;border-radius:8px}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid #ebf0eb}.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:inline-flex;align-items:center;gap:12px;font-size:23px;letter-spacing:-.05em;color:var(--ink);font-weight:800;white-space:nowrap}.brand:hover{text-decoration:none}.brand-mark{width:39px;height:39px;border-radius:13px;background:var(--brand);display:grid;place-items:center;box-shadow:0 6px 14px #188b7244}.brand-mark svg{width:26px;height:26px}.brand span:last-child b{color:var(--brand)}.site-nav{display:flex;gap:6px;align-items:center}.site-nav a{color:#54736b;font-weight:650;font-size:13px;white-space:nowrap;padding:10px 13px;border-radius:12px}.site-nav a.active,.site-nav a:hover{background:#eaf6f1;color:var(--brand-dark);text-decoration:none}.header-cta{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:11px 20px;background:var(--brand);color:#fff;font-weight:720;font-size:13px;white-space:nowrap}.header-cta:hover{background:var(--brand-dark);color:#fff;text-decoration:none}.menu-button{display:none;background:#eef7f3;color:var(--brand);border:0;border-radius:12px;padding:9px 12px;font-weight:750}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 82% 19%,#d2f2e2 0,#d2f2e200 35%),linear-gradient(115deg,#fff9f1 0%,#f3fbf3 67%,#e8f5ed 100%);border-bottom:1px solid #e6efe9}.hero-grid{min-height:430px;display:grid;grid-template-columns:1.13fr .87fr;align-items:center;gap:40px;padding-top:56px;padding-bottom:60px}.eyebrow{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;font-size:11px;font-weight:850;letter-spacing:.16em;color:var(--brand);margin-bottom:22px}.eyebrow:before{content:'';width:8px;height:8px;background:#f4a47b;border-radius:100%}.hero-copy p{font-size:18px;color:#56776e;max-width:590px;margin-bottom:26px;line-height:1.75}.hero-copy h1 span{color:var(--brand)}.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.btn{border:0;border-radius:14px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 20px;font-weight:740;font-size:14px;min-height:46px}.btn:hover{background:var(--brand-dark);text-decoration:none;color:#fff}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.secondary:hover{background:#eff8f4}.hero-proof{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:27px;color:#638277;font-size:12px;font-weight:650}.hero-proof span{display:inline-flex;align-items:center;gap:6px}.proof-dot{color:#21a080;font-size:17px}.hero-art{position:relative;max-width:450px;margin:auto;width:100%;aspect-ratio:1.12/1;background:#fffcf7;border:12px solid #fff;box-shadow:0 25px 72px rgba(40,91,80,.17);border-radius:30px;transform:rotate(-3deg);padding:28px;overflow:hidden}.art-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;color:#547a70;font-weight:750;font-size:12px}.art-top span:last-child{background:#e5f7e9;color:#0a8568;border-radius:20px;padding:5px 10px;font-size:10px}.tile-art{height:66%;display:grid;grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(4,1fr);gap:5px;transform:rotate(-.8deg)}.tile-art span{background:#a6dcd1;border:1px solid #79bcb3;border-radius:4px;min-width:0}.tile-art span:nth-child(6n+1),.tile-art span:nth-child(7),.tile-art span:nth-child(17){background:#d7eea8;border-color:#c3de8a}.tile-art span:nth-child(4n){background:#d9ede5}.tile-art span:nth-child(11),.tile-art span:nth-child(21){background:#f9cab7;border-color:#eeb7a1}.art-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:16px;font-size:12px;color:#66867d}.art-foot strong{color:#0f6f61;font-size:22px;letter-spacing:-.04em}.floating-chip{position:absolute;right:-14px;bottom:21px;background:white;border:1px solid #e6eee7;border-radius:16px;padding:12px 15px;box-shadow:0 11px 25px #1c756b22;color:#266c60;font-size:12px;font-weight:800;transform:rotate(3deg)}.mini-features{background:#fff;border-bottom:1px solid var(--line)}.mini-grid{display:grid;grid-template-columns:repeat(4,1fr)}.mini-item{display:flex;align-items:center;gap:12px;padding:22px 20px;border-right:1px solid #e8eee9;color:#416b61;font-size:13px;font-weight:720}.mini-item:first-child{padding-left:0}.mini-item:last-child{border:0}.mini-ico{width:33px;height:33px;display:grid;place-items:center;border-radius:10px;background:#eaf6ee;color:#138674;font-size:19px;flex-shrink:0}.section{padding:78px 0}.section-top{margin-bottom:30px}.section-top .eyebrow{margin-bottom:8px}.section-top p{max-width:660px;font-size:16px;color:#678078}.calculator-shell{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(330px,.83fr);gap:23px;align-items:start}.calculator-card,.results-card,.info-card,.guide-card{background:var(--white);border:1px solid #e0ebe5;border-radius:var(--round);box-shadow:var(--shadow)}.calculator-card{padding:30px}.card-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:15px}.card-top h3{margin:0;font-size:22px}.tag{background:#eaf7ee;color:#19866f;border-radius:999px;padding:5px 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select:focus,.zone-name:focus{border-color:#5bb79b;background:white}.input-suffix{display:flex;position:relative;align-items:center}.input-suffix input{padding-right:53px}.suffix{position:absolute;right:12px;font-size:11px;font-weight:740;color:#84a095;pointer-events:none;white-space:nowrap}.zone-row{border:1px solid #e2eee6;background:#f8fcf8;border-radius:16px;padding:16px;margin-bottom:12px}.zone-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:11px}.zone-title{color:var(--brand-dark);font-size:11px;letter-spacing:.08em;font-weight:850;text-transform:uppercase}.text-button{border:0;background:none;color:#b36e5b;font-weight:700;font-size:11px;padding:4px 0}.text-button:hover{text-decoration:underline}.zone-name{margin-bottom:12px;background:#fff;height:39px;font-weight:650}.zone-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.zone-grid input{height:42px;background:white}.zone-grid .input-suffix input{padding:8px 26px 8px 10px}.zone-grid .suffix{right:9px;font-size:10px}.zone-grid .field-label{font-size:10px;white-space:nowrap}.add-button{width:100%;border:1px dashed #8abfad;background:#f1faf4;color:#117f69;padding:13px;border-radius:13px;font-size:13px;font-weight:800}.add-button:hover{background:#e3f6eb}.help-note{font-size:12px;color:#7e958d;margin-top:9px}.pattern-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.pattern-choice{background:#fbfdfb;border:1px solid #e0ebe5;border-radius:14px;padding:11px 6px 10px;color:#486c61;font-weight:750;font-size:12px;display:flex;flex-direction:column;align-items:center;gap:9px}.pattern-choice:hover,.pattern-choice.selected{background:#ecfaf2;border-color:#3ea88b;color:#136e60}.pattern-choice.selected{box-shadow:0 0 0 2px #d4f2e4 inset}.pattern-preview{height:37px;width:65px;display:block;border:3px solid #fff;border-radius:5px;background-color:#b9dcd2;background-size:18px 17px;background-image:linear-gradient(90deg,#fff 2px,transparent 2px),linear-gradient(#fff 2px,transparent 2px)}.pattern-preview.offset{background-position:0 0,9px 8px;background-image:linear-gradient(90deg,#fff 2px,transparent 2px),linear-gradient(#fff 2px,transparent 2px);background-size:17px 16px}.pattern-preview.herringbone{background-image:repeating-linear-gradient(45deg,transparent 0 11px,#fff 11px 14px,transparent 14px 23px,#fff 23px 26px),repeating-linear-gradient(-45deg,#b9dcd2 0 13px,#fff 13px 16px)}.pricing-divider{border-top:1px solid #e6eee8;margin-top:26px}.results-card{position:sticky;top:96px;overflow:hidden}.results-head{background:#146f62;padding:25px 26px;color:#fff}.results-head small{font-size:11px;font-weight:850;letter-spacing:.14em;text-transform:uppercase;color:#c6f0dc}.results-head h3{color:#fff;font-size:25px;margin:6px 0 3px}.results-head p{font-size:12px;color:#d2f1e5;margin:0}.results-main{padding:24px 26px 26px}.result-dim{opacity:.3;pointer-events:none}.result-hero{background:linear-gradient(105deg,#f1fbf2,#fcf9ee);border:1px solid #dbece0;border-radius:16px;padding:17px 19px;margin-bottom:14px}.overline{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:#64877a}.big-stat{display:flex;align-items:baseline;gap:8px;margin:4px 0}.big-stat strong{font-size:47px;letter-spacing:-.055em;color:#155d50;line-height:1.15}.big-stat span{font-size:14px;font-weight:700;color:#65887c}.result-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}.result-stat{border:1px solid #e2ebe3;border-radius:16px;padding:15px}.result-stat .value{color:#174d46;font-size:32px;letter-spacing:-.04em;font-weight:800;line-height:1.3}.result-stat small{font-size:11px;color:#749085;display:block;margin-top:2px}.coverage-meter{width:100%;height:7px;background:#e8f4ed;border-radius:99px;margin:19px 0 8px;overflow:hidden}.coverage-meter b{display:block;background:#18a584;width:0;height:100%;border-radius:99px;transition:width .2s}.coverage-copy{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#68877b;font-weight:700}.results-section-title{font-size:13px;font-weight:820;color:#194e43;margin:22px 0 10px}.summary-row{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:12px;padding:7px 0;color:#678176;border-bottom:1px dashed #e4ede6}.summary-row strong{font-size:12px;color:#284e45;font-weight:750;white-space:nowrap}.total-row{border-top:1px solid #e0ebe3;padding-top:12px;margin-top:6px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#31594e;font-weight:800}.total-row strong{font-size:25px;color:#106e5b;letter-spacing:-.035em}.price-hint{font-size:11px;line-height:1.6;color:#81988e;margin-top:8px}.results-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:20px}.results-actions button{font-size:12px;padding:11px 9px;min-height:42px}.results-actions .outline{border:1px solid #d7e9e0;background:#f4faf5;border-radius:11px;color:#187563;font-weight:760}.results-actions .outline:hover{background:#e6f6ec}.results-actions .primary{background:#167f6e;border:1px solid #167f6e;color:white;border-radius:11px;font-weight:760}.results-actions .primary:hover{background:#0e6859}.form-error{background:#fff0e8;border:1px solid #f2c2a9;color:#a25434;font-weight:730;font-size:13px;border-radius:12px;padding:12px;margin-top:10px}.action-status{padding:10px 12px;background:#e8f9ef;color:#0e7860;font-size:12px;font-weight:750;border-radius:11px;margin-top:12px}.action-status[data-error='true']{color:#a25434;background:#fff0e8}.share-box{background:#f5fbf7;border-radius:12px;padding:10px;margin-top:12px}.share-url{height:38px;background:#fff;font-size:11px}.share-note{font-size:11px;color:#4c7867;margin:0 0 7px}.theory-section{background:#f3f7f2;border-top:1px solid #e4eee5}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.guide-card{padding:26px;box-shadow:none}.guide-card .guide-num{font-size:12px;color:#e39a79;font-weight:850;letter-spacing:.1em;margin-bottom:17px}.guide-card h3{font-size:20px;margin-bottom:10px}.guide-card p{font-size:14px;color:#68857a;margin:0}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:40px;align-items:start}.article{max-width:750px}.article h2{font-size:29px;margin:36px 0 15px}.article h3{font-size:20px;margin:25px 0 11px}.article p,.article li{color:#557469;font-size:15px;line-height:1.8}.article ul{padding-left:22px}.article li{margin-bottom:8px}.equation{background:#f2f9f3;border-left:4px solid #5bb599;padding:18px 22px;border-radius:0 13px 13px 0;font-weight:800;color:#1d6555;line-height:1.7;font-size:14px;margin:22px 0}.aside-box{border:1px solid #e1ebe5;border-radius:22px;background:#fff;padding:24px;position:sticky;top:95px}.aside-box h3{font-size:18px}.aside-box a{display:block;padding:11px 0;border-bottom:1px solid #e7eee8;color:#3d7465;font-size:13px;font-weight:700}.aside-box a:last-child{border:0}.faq{border-top:1px solid #dfe9e2;padding:20px 0}.faq h3{font-size:17px;margin-bottom:7px}.faq p{font-size:14px;margin:0}.sources-note{border-top:1px solid #e8eee7;margin-top:27px;padding-top:15px;font-size:12px!important;color:#7a9187!important}.sources-note a{overflow-wrap:anywhere}.cta-strip{background:#e4f5eb;border-radius:25px;padding:34px 42px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta-strip h2{font-size:28px;margin:0 0 8px}.cta-strip p{margin:0;font-size:14px;color:#55776c}.site-footer{background:#174d45;color:#daeee5;padding:51px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}.footer-brand{font-size:23px;color:#fff;font-weight:800;letter-spacing:-.045em}.footer-brand b{color:#8de4b9}.footer-grid p{color:#bedcd0;font-size:13px;max-width:340px;margin-top:13px}.footer-col h3{color:#fff;font-size:13px;letter-spacing:0;margin-bottom:16px}.footer-col a{display:block;color:#c4dfd5;margin:10px 0;font-size:13px}.footer-bottom{border-top:1px solid #397066;margin-top:34px;padding-top:18px;font-size:11px;color:#aed0c3;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.simple-page{padding:70px 0 90px}.simple-page .article{max-width:850px}.small-kicker{font-size:11px;text-transform:uppercase;letter-spacing:.15em;color:#168876;font-weight:820}.simple-page h1{font-size:clamp(36px,4vw,52px);margin:10px 0 17px}.policy-panel{background:#fff;border:1px solid var(--line);padding:30px;border-radius:var(--round)}#print-zone-summary{display:none}[hidden]{display:none!important}
@media(max-width:1100px){.site-nav a{font-size:12px;padding:9px}.header-cta{display:none}.calculator-shell{grid-template-columns:minmax(0,1.1fr) minmax(310px,.9fr)}.zone-grid{grid-template-columns:repeat(2,1fr)}.zone-grid .field-label{font-size:11px}}
@media(max-width:820px){.menu-button{display:block}.header-inner{height:68px}.site-nav{display:none;position:absolute;top:67px;left:0;right:0;background:#fff;padding:13px 23px 22px;flex-direction:column;align-items:stretch;box-shadow:0 20px 30px #1b665b1a;border-bottom:1px solid var(--line)}.site-nav.open{display:flex}.site-nav a{font-size:14px;padding:13px}.hero-grid{grid-template-columns:1fr;padding-top:54px;gap:36px;text-align:center}.hero-copy p{margin:0 auto 25px}.hero-actions,.hero-proof{justify-content:center}.hero-art{max-width:370px;margin:0 auto 12px}.calculator-shell{grid-template-columns:1fr}.results-card{position:static}.mini-grid{grid-template-columns:1fr 1fr}.mini-item{border-bottom:1px solid #e8eee9;padding:16px 10px!important}.article-grid{grid-template-columns:1fr}.aside-box{position:static}.guide-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.3fr 1fr}.footer-grid .footer-col:last-child{grid-column:1/-1}.cta-strip{padding:30px;align-items:start}}
@media(max-width:540px){body{font-size:14px}.container{padding:0 18px}.brand{font-size:22px}.hero-grid{padding-top:44px;padding-bottom:45px;gap:26px}.hero h1{font-size:40px}.hero-copy p{font-size:15px}.eyebrow{font-size:10px}.hero-art{max-width:300px;border-width:9px;padding:19px;border-radius:22px}.art-top{margin-bottom:12px}.floating-chip{right:-5px;bottom:14px}.mini-grid{grid-template-columns:1fr 1fr}.mini-item{font-size:11px;gap:8px}.mini-ico{width:29px;height:29px;font-size:16px}.section{padding:56px 0}.calculator-card{padding:20px 16px;border-radius:19px}.zone-row{padding:12px}.zone-grid{gap:9px}.form-row.three{grid-template-columns:1fr 1fr}.form-row.three .form-field:last-child{grid-column:1/-1}.zone-grid .field-label{font-size:10px}.zone-grid .suffix{font-size:10px}.results-head{padding:22px}.results-main{padding:21px}.guide-grid{grid-template-columns:1fr}.cta-strip{flex-direction:column;gap:19px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid .footer-col:last-child{grid-column:auto}.article h2{font-size:26px}}
@media print{.site-header,.hero,.mini-features,.section-top,.calculator-card,.theory-section,.site-footer,.results-actions,.cta-strip,.aside-box,.article,.source-note,#share-url-wrap,.action-status{display:none!important}body{background:#fff;color:#111}.container{max-width:750px;padding:0}.section{padding:0}.calculator-shell{display:block}.results-card{box-shadow:none;border:0;position:static}.results-head{background:#fff;color:#111;padding:12px 0}.results-head h3,.results-head small,.results-head p{color:#111}.results-main{padding:10px 0}.result-hero{border:1px solid #ddd;background:#fff}.result-stat{border:1px solid #ddd}#print-zone-summary{display:block;white-space:pre-line;color:#111;font-size:12px;line-height:1.65;margin-top:15px}.results-card:after{content:'Estimate only. Verify tile coverage, breakage, layout, and your supplier’s package label before ordering.';font-size:11px;display:block;margin-top:15px;color:#333}html{scroll-behavior:auto}}

@media(max-width:540px){.floating-chip{display:none}}
@media(max-width:820px){.calculator-shell{grid-template-columns:minmax(0,1fr)}.calculator-card,.results-card{min-width:0}}
@media(max-width:360px){.pattern-grid{gap:5px}.pattern-choice{font-size:10px;padding:9px 3px}.pattern-preview{width:50px}.zone-grid .field-label{white-space:normal}.form-row{gap:8px}}
@media(max-width:360px){.card-top{flex-wrap:wrap;gap:8px}}

/* 1.2 UX improvements: clearer hints and immediately visible mobile feedback */
.unit-row{grid-template-columns:minmax(0,1fr);max-width:340px}
.mobile-summary{display:none}
.help-note,.subtle,.results-head p{color:#526e64}
.help-note{font-size:12px;line-height:1.6}
.price-hint,.result-stat small,.summary-row,.coverage-copy{color:#516e63}
.form-field .field-label,.zone-grid .field-label{color:#3d675a}
@media(max-width:540px){
  .hero-grid{padding-top:29px;padding-bottom:25px;gap:19px}
  .hero h1{font-size:clamp(32px,8.6vw,38px);line-height:1.12}
  .hero-copy p{font-size:14px;line-height:1.65;margin-bottom:20px}
  .hero-proof{margin-top:22px}
  .hero-art{max-width:230px;padding:14px;transform:rotate(-2deg);border-width:8px}
  .hero-art .art-top,.hero-art .art-foot{font-size:9px}
  .tile-art{gap:4px}
  .mini-features{display:none}
  .mobile-summary{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:15px 14px;margin:14px 0 10px;border:1px solid #b4e3d2;border-radius:15px;background:linear-gradient(115deg,#e8faf1,#f9faf0)}
  .mobile-summary>div{display:flex;flex-direction:column;gap:3px;min-width:0}
  .mobile-summary-caption{font-size:9px;color:#346f5e;letter-spacing:.05em;font-weight:800}
  .mobile-summary strong{font-size:26px;color:#0b6553;line-height:1.16;letter-spacing:-.04em}
  .mobile-summary-area{font-size:11px;color:#456f61}
  .mobile-summary-link{color:#097b66;font-weight:800;font-size:12px;flex-shrink:0;padding:10px 7px;text-decoration:underline;text-underline-offset:3px}
  .zone-grid .field-label{font-size:11px}
  .result-stat small{font-size:12px}
}
@media print{.mobile-summary{display:none!important}}


/* V1.3 editorial redesign, 10K-inspired design direction with zero paid media */
:root{--ink:#214841;--body:#3e615a;--muted:#637e75;--brand:#166e59;--brand-dark:#105c4c;--line:#e2e8e0;--wash:#fcfaf5;--cream:#fdf3e5;--peach:#f6d4bc;--white:#fffefa;--shadow:0 24px 64px rgba(54,78,55,.085);--round:22px}
body{background:#fbfaf5;color:var(--body);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
h1,h2,h3{letter-spacing:-.047em;color:var(--ink)}
.hero h1{font-family:Georgia,'Times New Roman',serif;letter-spacing:-.065em;font-weight:500;line-height:1.08;font-size:clamp(48px,5.25vw,83px);margin:0 0 25px;max-width:730px}
.hero h1 span{color:#bb7455;font-style:italic;font-weight:500}
.hero{background:linear-gradient(135deg,#fffdf7 0%,#fdf5e8 46%,#eef4e9 100%);border-bottom:1px solid #e9e4d8}
.hero:before{content:'';position:absolute;width:560px;height:560px;border:1px solid #e3dacf;border-radius:50%;top:-240px;left:-160px;pointer-events:none;opacity:.6}
.hero:after{content:'';position:absolute;width:390px;height:390px;border:1px solid #ded7cb;border-radius:50%;bottom:-240px;right:-70px;pointer-events:none;opacity:.65}
.hero-grid{position:relative;z-index:1;grid-template-columns:minmax(0,1.07fr) minmax(0,.93fr);min-height:635px;gap:32px;padding-top:70px;padding-bottom:78px}
.hero-copy p{font-size:17px;line-height:1.83;max-width:530px;color:#59746a}
.hero-micro-label{display:flex;align-items:center;gap:9px;font-size:10px;letter-spacing:.14em;font-weight:800;color:#996e56;margin:0 0 28px}
.micro-spark{width:28px;height:28px;border-radius:50%;background:#f5e1ca;display:grid;place-items:center;font-size:15px;color:#ad7951;flex-shrink:0}
.micro-separator{color:#baa895;padding:0 2px}
.hero .eyebrow{display:none}
.hero-actions{gap:11px}.hero .btn{border-radius:100px;padding:15px 26px;min-height:52px;font-size:14px;box-shadow:0 12px 23px rgba(32,105,82,.13)}
.hero .btn.secondary{box-shadow:none;background:rgba(255,255,255,.7);border:1px solid #e1d8c7}
.hero-proof{color:#56786c;font-size:12px;gap:20px;margin-top:32px}
.proof-dot{color:#bc7d5c}
.site-header{background:rgba(255,254,250,.94);border-bottom:1px solid #ece8dd}
.header-inner{height:82px}.brand{font-weight:790;font-size:24px}.brand-mark{background:#206f59;border-radius:12px;box-shadow:none;transform:rotate(-5deg)}.brand span:last-child b{color:#b87858}
.site-nav a{font-weight:650;color:#63746c}.site-nav a.active,.site-nav a:hover{background:#f4eee3;color:#1a6d57}
.header-cta{border-radius:100px;background:#215f50}
.hero-art{max-width:none;width:100%;aspect-ratio:1.09/1;background:transparent;border:0;box-shadow:none;transform:none;padding:0;overflow:visible;border-radius:0}
.ceramic-stage{position:relative;width:100%;height:100%;min-height:455px;background:radial-gradient(ellipse at 40% 40%,#faf7ea,#f0ecdd 72%,#eae5d5);border:1px solid #deded0;border-radius:28px;box-shadow:0 38px 60px rgba(80,83,61,.12),inset 0 0 0 9px rgba(255,255,255,.47);overflow:hidden;isolation:isolate}
.ceramic-stage:before{content:'';position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(105,117,86,.044) 1px,transparent 1px),linear-gradient(rgba(105,117,86,.044) 1px,transparent 1px);background-size:31px 31px;mask-image:linear-gradient(110deg,transparent 0%,black 50%,transparent 100%)}
.ceramic-stage:after{content:'';position:absolute;width:450px;height:450px;top:6%;left:6%;border-radius:50%;background:radial-gradient(circle,#fffdf099 0,transparent 69%);pointer-events:none;z-index:0}
.stage-ruler{position:absolute;z-index:6;left:30px;right:30px;font-size:9px;font-weight:780;letter-spacing:.17em;color:#668178;display:flex;align-items:center;justify-content:space-between}.ruler-top{top:27px}.ruler-bottom{bottom:25px;color:#8e9b8d}
.ceramic-swatch{position:absolute;display:grid;gap:5px;padding:9px;border:7px solid #fffdf3;border-radius:17px;box-shadow:12px 21px 36px rgba(55,77,56,.22);transform-style:preserve-3d}
.ceramic-swatch i{display:block;border-radius:3px;box-shadow:inset 0 1px 2px rgba(255,255,255,.72),inset 0 -2px 3px rgba(91,110,89,.12)}
.swatch-a{z-index:3;left:22%;top:19%;width:54%;height:52%;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);transform:rotate(-10deg);background:#d6e2d0}
.swatch-a i{background:linear-gradient(135deg,#d3e6da,#9ec6b5)}.swatch-a i:nth-child(4n){background:linear-gradient(145deg,#e5eee1,#a9cfc1)}
.swatch-b{z-index:2;left:7%;top:40%;width:47%;height:43%;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(3,1fr);transform:rotate(13deg);background:#f0d2bb}
.swatch-b i{background:linear-gradient(145deg,#f9e4cf,#e5b99f)}.swatch-b i:nth-child(3n){background:linear-gradient(145deg,#fff2e2,#edd0b7)}
.swatch-c{z-index:4;right:7%;top:39%;width:31%;height:37%;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,1fr);transform:rotate(18deg);background:#f4eee1}
.swatch-c i{background:linear-gradient(125deg,#fdfaf1,#dad9c9)}
.ceramic-corner{position:absolute;z-index:1;width:75%;height:75%;top:6%;left:15%;border:1px solid #cad2c4;border-radius:50%;transform:rotate(-14deg)}
.dimension{position:absolute;z-index:5;color:#7b9689;font-size:11px;font-weight:750;letter-spacing:.04em}.dimension-left{top:21%;left:9%;transform:rotate(-90deg)}.dimension-right{bottom:20%;right:9%;transform:rotate(-70deg)}
.hero-chip{position:absolute;z-index:7;display:flex;align-items:center;gap:10px;background:#fffefa;border:1px solid #ebe9df;box-shadow:0 15px 27px rgba(49,79,64,.12);padding:11px 14px;border-radius:14px;transform:rotate(-3deg)}
.hero-chip b,.hero-chip small{display:block;white-space:nowrap}.hero-chip b{color:#2c6658;font-size:12px;line-height:1.4}.hero-chip small{color:#72857a;font-size:10px}.chip-icon{background:#dbeddd;color:#267d65;width:31px;height:31px;border-radius:10px;display:grid;place-items:center;font-size:18px;flex-shrink:0}.chip-icon.sun{background:#fae3cd;color:#c07a55}
.chip-one{left:3%;top:14%}.chip-two{right:2%;bottom:13%;transform:rotate(4deg)}
.mini-features{background:#fffefa;border-color:#eee7da}.mini-item{color:#536e64;font-size:13px}.mini-ico{background:#f3eee4;color:#b97650;border-radius:11px}
.section{padding:85px 0}.section-top{margin-bottom:34px}.section-top h2,.theory-section h2{font-family:Georgia,'Times New Roman',serif;font-weight:500;letter-spacing:-.048em;font-size:clamp(33px,3.2vw,49px)}
.section-top .eyebrow{margin-bottom:14px;color:#ba795c}.eyebrow:before{background:#ad7d5d}
.calculator-shell{gap:24px;grid-template-columns:minmax(0,1.26fr) minmax(340px,.83fr)}
.calculator-card,.results-card,.guide-card{border:1px solid #e7e8dc;border-radius:22px;box-shadow:0 19px 55px rgba(47,74,52,.045)}.calculator-card{padding:31px;background:#fffefb}
.card-top h3{font-size:25px;font-weight:740}.tag{background:#f3e8d7;color:#936749}
.step-title{font-size:15px}.step-title:before{border-radius:11px;background:#f3e9d9;color:#946344}
.zone-row{background:#f8f9f2;border-color:#e7eddf}.zone-title{color:#33705f}.add-button{border-color:#afcfbd;background:#f2f8ee}
.form-field input,.form-field select,.zone-name{background:#fffefb;border-color:#dfe5d9}
.pattern-choice{background:#fdfdf8}.pattern-choice.selected{background:#edf5e9;border-color:#8dbba6}
.results-card{overflow:hidden}.results-head{background:linear-gradient(140deg,#276f5a,#174e45)!important}.results-head h3,.results-head p,.results-head small{color:#fff!important}.results-head small{color:#d6ebdb!important}
.result-hero{background:#eff5e9}.result-stats{background:#fffefb}
.guide-card{transition:transform .22s ease,box-shadow .22s ease}.guide-card:hover{transform:translateY(-4px);box-shadow:0 20px 48px rgba(47,74,52,.09)}
.guide-num{color:#b77752!important}.cta-strip{background:linear-gradient(120deg,#f7ead7,#e6f0e3)}
.site-footer{background:#245d50}.footer-brand b{color:#f1c8a7}
@media(max-width:1100px){.hero-grid{grid-template-columns:1fr 1fr;min-height:510px}.hero h1{font-size:clamp(43px,5vw,60px)}.ceramic-stage{min-height:370px}}
@media(max-width:820px){.hero-grid{grid-template-columns:1fr;min-height:auto;padding-top:55px;padding-bottom:58px;gap:40px;text-align:left}.hero-copy{max-width:650px}.hero-copy p{margin-left:0;margin-right:0}.hero-actions,.hero-proof{justify-content:flex-start}.hero-art{max-width:490px;margin:auto;aspect-ratio:1.24/1}.ceramic-stage{min-height:385px}.header-inner{height:70px}.calculator-shell{grid-template-columns:minmax(0,1fr)}}
@media(max-width:540px){.container{padding:0 19px}.hero-grid{padding-top:30px;padding-bottom:36px;gap:24px}.hero h1{font-size:clamp(39px,10vw,54px);margin-bottom:15px}.hero-copy p{font-size:14px;line-height:1.65;max-width:440px;margin-bottom:21px}.hero-micro-label{font-size:8px;letter-spacing:.08em;margin-bottom:18px;gap:6px}.micro-spark{width:24px;height:24px}.hero .btn{padding:12px 17px;min-height:44px;font-size:12px}.hero-proof{gap:12px;margin-top:20px;font-size:10px}.hero-art{max-width:350px;aspect-ratio:1.26/1;margin:0 auto;transform:none}.ceramic-stage{min-height:0;height:100%;border-radius:22px}.stage-ruler{left:16px;right:16px;font-size:7px}.ruler-top{top:17px}.ruler-bottom{bottom:13px}.ceramic-swatch{border-width:5px;padding:6px;gap:4px;border-radius:11px}.hero-chip{padding:6px 8px;gap:5px;border-radius:9px}.hero-chip b{font-size:9px}.hero-chip small{font-size:7px}.chip-icon{width:22px;height:22px;font-size:13px;border-radius:6px}.chip-one{top:17%;left:2%}.chip-two{bottom:12%;right:2%}.dimension{font-size:8px}.section{padding:49px 0}.section-top h2{font-size:32px}.calculator-card{padding:21px 16px}.card-top h3{font-size:21px}.results-card{border-radius:20px}.hero:before{width:270px;height:270px;top:-115px;left:-120px}.hero:after{width:260px;height:260px;bottom:-140px}.mobile-summary{background:linear-gradient(115deg,#eff7e8,#fcf2e4);border-color:#bfdac8}}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media print{.hero-chip,.ceramic-stage{display:none!important}}

/* V1.4 specialist calculators and material planning journal. */
.pro-specialist-section{background:linear-gradient(145deg,#fdfbf4,#edf4ec);border-top:1px solid #e8e6d9;border-bottom:1px solid #e8e6d9}
.pro-example{background:#fffdf9;border-left:4px solid #c47d5b;padding:19px 23px;border-radius:0 17px 17px 0;margin:4px 0 27px;max-width:850px;box-shadow:0 9px 22px rgba(39,68,56,.04)}
.pro-example strong{font-size:12px;letter-spacing:.09em;text-transform:uppercase;color:#9a684a}.pro-example p{margin:7px 0 0;color:#34574f;font-size:14px;line-height:1.7}
.specialist-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}
.specialist-cards a{display:flex;flex-direction:column;gap:7px;text-decoration:none;background:#fffefa;border:1px solid #e5e8dc;border-radius:22px;padding:22px 21px;color:#31584f;min-height:217px;transition:transform .2s ease,box-shadow .2s ease}
.specialist-cards a:hover,.specialist-cards a:focus-visible{transform:translateY(-3px);box-shadow:0 14px 28px rgba(41,75,53,.09)}
.specialist-cards strong{font-family:Georgia,serif;font-size:24px;line-height:1.18;color:#284b41;font-weight:500}
.specialist-cards small{font-size:13px;line-height:1.55;color:#577268}.specialist-cards b{margin-top:auto;font-size:13px;color:#a3694c}
.tool-glyph{font-size:30px;color:#c27b55;line-height:1.2}
.pro-hero{background:linear-gradient(128deg,#fef9ed,#f5f7ee 75%);border-bottom:1px solid #e8e6d9;overflow:hidden}
.pro-hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:55px;align-items:center;padding-top:87px;padding-bottom:90px;min-height:500px}
.pro-hero h1{font:500 clamp(46px,5vw,73px)/1.09 Georgia,'Times New Roman',serif;letter-spacing:-.065em;color:#214e40;max-width:680px;margin:0 0 22px}
.pro-hero p{font-size:16px;line-height:1.85;color:#55756a;max-width:535px;margin:0 0 25px}
.pro-hero .btn{display:inline-flex;border-radius:100px;padding:15px 26px;min-height:52px;text-decoration:none}
.pro-hero-decor{position:relative;border:1px solid #e2dccb;border-radius:28px;min-height:325px;background:radial-gradient(circle at 30% 20%,#fffef8,#e6ede3);box-shadow:0 25px 60px rgba(30,73,53,.08);overflow:hidden}
.pro-hero-legend{position:absolute;top:23px;left:26px;font-size:11px;font-weight:800;color:#8f765d;letter-spacing:.12em;z-index:1}
.pro-decor-board{position:absolute;left:25%;top:20%;width:50%;height:66%;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:5px;padding:9px;transform:rotate(-11deg);background:#fbfaf0;border:7px solid #fff;border-radius:17px;box-shadow:17px 19px 38px #718d7b55}
.pro-decor-board i{background:linear-gradient(130deg,#e4ecd9,#a5c5ae);border-radius:3px;box-shadow:inset 0 2px 2px #ffffffb0}
.pro-decor-board i:nth-child(3n){background:linear-gradient(145deg,#f6e7cf,#e6bda2)}
.pro-decor-chip{position:absolute;right:15px;bottom:26px;background:#fffefa;border:1px solid #ece8dc;border-radius:14px;padding:13px 18px;color:#7a705c;letter-spacing:.06em;font-size:10px;font-weight:800;box-shadow:0 8px 20px #335d4a17}
.pro-workspace{background:#fdfcf8}.pro-shell{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(315px,.85fr);gap:24px;align-items:start}
.pro-shell .calculator-card{padding:32px}.pro-shell .results-card{position:sticky;top:96px}
.pro-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 15px;margin:24px 0}
.pro-field{display:flex;flex-direction:column;min-width:0;gap:7px;font-weight:700;color:#3b6256;font-size:12px}
.pro-input{display:flex;align-items:center;border:1px solid #d7e4da;background:#fffefa;border-radius:11px;overflow:hidden;min-height:49px}
.pro-input:focus-within{border-color:#248b70;box-shadow:0 0 0 3px #d3eadd}
.pro-input input{border:0!important;outline:0!important;box-shadow:none!important;width:100%;min-width:0;font-size:17px;font-weight:650;padding:12px;background:transparent;color:#264b41}
.pro-input span{padding:0 14px;font-weight:700;color:#568071;background:#f6f7ee;align-self:stretch;display:flex;align-items:center;white-space:nowrap;border-left:1px solid #e4e8db}
.pro-field select{min-height:49px;width:100%;border-radius:11px;border:1px solid #d7e4da;background:#fffefa;color:#264b41;padding:10px 13px;font-size:14px}
.pro-tip{line-height:1.5;font-size:11px;font-weight:500;color:#9e6a4b}
.pro-result-card .results-head{padding:31px}.pro-result-body{padding:24px 27px}
.pro-featured-result{padding:25px 22px;background:linear-gradient(130deg,#e8f2e6,#fbf4e7);border:1px solid #dce9d7;border-radius:18px;margin-bottom:20px;display:flex;flex-direction:column;gap:2px}
.pro-featured-result>span{font-size:12px;color:#5f7e70;text-transform:uppercase;font-weight:800;letter-spacing:.11em}
.pro-featured-result strong{font:500 67px/1.1 Georgia,serif;letter-spacing:-.06em;color:#1a7159}.pro-featured-result small{font-size:13px;line-height:1.5;color:#497064}
.pro-result-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid #ebede5;font-size:13px}
.pro-result-row strong{color:#2e6152;text-align:right;font-size:14px}.pro-placeholder,.pro-error{background:#fff5e9;color:#9b5134;padding:17px 18px;border-radius:14px;font-size:14px;line-height:1.6}
.pro-error{margin-bottom:14px;border:1px solid #eed1bd}.pro-copy{margin-top:21px;background:#1b6d58;color:#fff;border:0;border-radius:12px;padding:14px 20px;min-height:47px;font-weight:750;cursor:pointer;width:100%}
.pro-copy:hover{background:#105744}.pro-status{font-size:12px;color:#246e5c;margin-top:10px;min-height:16px}.layout-visual{margin:24px 0;padding:15px;border:1px solid #e5eadf;border-radius:15px;background:#fffefb}
.layout-visual svg{display:block;width:100%;height:auto;max-height:350px;min-height:90px;aspect-ratio:auto}
.layout-full{fill:#c4dac7;stroke:#fafdf5;stroke-width:.9}.layout-cut{fill:#eac49e;stroke:#fffdf5;stroke-width:.9}
.layout-key{display:flex;gap:16px;align-items:center;margin:0 0 14px;font-size:12px;color:#45695d}.layout-key span{display:inline-flex;align-items:center;gap:7px}.layout-key i{display:inline-block;width:14px;height:14px;background:#c4dac7;border-radius:3px}.layout-key i.cut{background:#eac49e}
.layout-visual p{font-size:11px;line-height:1.7;color:#587267;margin:10px 0 0}.pro-reading{background:#fffef9}
@media(max-width:850px){.pro-hero-grid{grid-template-columns:1fr;gap:25px;min-height:unset;padding-top:45px;padding-bottom:49px}.pro-hero-decor{min-height:235px;max-width:580px;width:100%}.pro-shell{grid-template-columns:minmax(0,1fr)}.pro-shell .results-card{position:static}.specialist-cards{grid-template-columns:1fr 1fr}}
@media(max-width:550px){.pro-hero-grid{padding-top:34px;padding-bottom:38px}.pro-hero h1{font-size:clamp(37px,10.2vw,49px)}.pro-hero p{font-size:14px}.pro-hero-decor{min-height:170px}.pro-hero-legend{font-size:8px}.pro-decor-chip{font-size:8px}.pro-fields{grid-template-columns:1fr 1fr;gap:13px 8px}.pro-input span{padding:0 9px;font-size:11px}.pro-input input{font-size:15px;padding:12px 8px}.pro-shell .calculator-card{padding:21px 18px}.pro-result-body{padding:20px}.specialist-cards{grid-template-columns:1fr;gap:12px}.specialist-cards a{min-height:160px}.pro-specialist-section{padding:50px 0}.pro-example{padding:16px}.pro-featured-result strong{font-size:55px}.pro-hero .hero-micro-label{font-size:9px}}
@media(max-width:350px){.pro-fields{grid-template-columns:1fr}.pro-input input{font-size:16px}.pro-hero h1{font-size:35px}}
@media print{.pro-hero,.pro-reading,.pro-specialist-section,.pro-workspace .section-top,.pro-workspace .calculator-card,.pro-copy,.site-header,.site-footer{display:none!important}.pro-result-card{position:static;box-shadow:none;border:0}.pro-result-card .results-head{background:#fff!important}.pro-result-card .results-head *{color:#1e5445!important}}
.pro-handoff{margin:24px 0 8px;padding:19px 18px;background:#f5f7ee;border:1px solid #e3e8da;border-radius:16px}.pro-handoff strong{font:500 19px Georgia,serif;color:#235c4e}.pro-handoff p{color:#617569;font-size:12px;margin:7px 0 13px;line-height:1.6}.pro-handoff>div{display:flex;flex-wrap:wrap;gap:9px}.pro-handoff a{background:#fffefa;border:1px solid #ceded0;color:#1f6b54;border-radius:11px;padding:11px 13px;font-size:12px;font-weight:800;text-decoration:none}.pro-handoff a:hover{border-color:#7eae93;background:#e8f3e8}@media print{.pro-handoff{display:none!important}}

.pro-copy.pro-print{background:#fffefa;color:#206a55;border:1px solid #9ac1a8;margin-top:9px}.pro-copy.pro-print:hover{background:#ecf4eb}@media print{.pro-print{display:none!important}}