@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@400;500;600;700;800;900&display=swap');
:root{--hc-blue:#0865f5;--hc-orange:#ff7900;--hc-ink:#0d1d3c;--hc-muted:#52617b;--hc-line:#dce5f0;--hc-pale:#eef7ff;--hc-shadow:0 3px 12px rgba(13,29,60,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--hc-ink);font-family:"Nunito Sans",Arial,sans-serif;font-size:15px;line-height:1.45;background:#fff}a{color:inherit;text-decoration:none}a:hover{color:var(--hc-blue)}img{max-width:100%;height:auto;display:block}.hc-container{width:min(1200px,calc(100% - 48px));margin-inline:auto}.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px;z-index:100}.skip-link:focus{left:8px}
.site-header{height:70px;background:#fff;position:relative;z-index:20;border-bottom:1px solid #edf1f6}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:7px;min-width:250px}.brand-mark{width:39px;height:39px;border:3px solid var(--hc-orange);border-radius:12px 12px 8px 8px;color:var(--hc-blue);font-weight:900;font-size:18px;display:grid;place-items:center;position:relative}.brand-mark:before{content:"";position:absolute;width:23px;height:23px;border-left:3px solid var(--hc-orange);border-top:3px solid var(--hc-orange);transform:rotate(45deg);top:-11px;background:#fff;border-radius:2px}.brand-copy{display:flex;flex-direction:column;line-height:1}.brand-copy strong{font-size:27px;font-weight:900;letter-spacing:-1.3px;color:var(--hc-blue)}.brand-copy strong span{color:var(--hc-orange)}.brand-copy small{font-size:10px;font-weight:800;color:var(--hc-ink);letter-spacing:.1px}.custom-logo{max-height:56px;width:auto}.primary-navigation{margin-left:auto}.primary-menu{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0}.primary-menu li a{display:block;padding:11px 18px;border-radius:11px;font-size:15px;font-weight:900;white-space:nowrap}.primary-menu li.current-menu-item>a,.primary-menu li:first-child>a{background:var(--hc-blue);color:#fff}.primary-menu li:not(.current-menu-item):not(:first-child)>a:hover{background:#f1f6ff;color:var(--hc-blue)}.header-search-toggle{border:0;background:transparent;padding:7px;cursor:pointer;color:var(--hc-ink)}.header-search-toggle svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:2.5}.header-search-panel{display:none;position:absolute;right:max(24px,calc((100% - 1200px)/2));top:62px;width:min(480px,calc(100vw - 32px));padding:12px;background:#fff;border:1px solid var(--hc-line);border-radius:14px;box-shadow:var(--hc-shadow)}.header-search-panel.is-open{display:block}.menu-toggle{display:none}
.hero{background:linear-gradient(105deg,#e9f6ff 0%,#d9efff 54%,#c4e5fb 100%);overflow:hidden}.hero-inner{min-height:310px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;position:relative}.hero-copy{padding:24px 0 22px;position:relative;z-index:2}.eyebrow{display:inline-flex;align-items:center;background:#c3e0ff;color:var(--hc-blue);border-radius:20px;padding:5px 13px;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.3px}.hero h1{font-size:clamp(32px,3.5vw,43px);line-height:1.03;letter-spacing:-1.6px;margin:13px 0 7px;font-weight:900}.hero h1 span{color:var(--hc-orange)}.hero-copy>p{max-width:560px;margin:0 0 15px;font-size:16px;line-height:1.35}.hero-search .search-form{height:46px;display:flex;align-items:center;background:#fff;border:1px solid #d9e7f8;border-radius:30px;padding:4px 4px 4px 16px;box-shadow:0 4px 12px rgba(17,71,130,.13);max-width:600px}.search-form{display:flex;gap:8px}.search-form input[type=search]{min-width:0;flex:1;border:0;outline:0;background:transparent;font:inherit;color:var(--hc-ink);padding:8px}.search-form button{border:0;background:var(--hc-orange);color:#fff;font:inherit;font-weight:900;padding:0 25px;border-radius:25px;cursor:pointer}.search-form button:hover{background:#e86d00}.popular-searches{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px;font-size:12px}.popular-searches strong{font-weight:900}.popular-searches a{background:#fff;border:1px solid #cbdff5;border-radius:20px;padding:4px 12px;font-weight:800;box-shadow:0 2px 5px rgba(15,50,90,.06)}.hero-visual{height:310px;align-self:stretch;position:relative;margin-right:calc((1200px - 100vw)/2);overflow:hidden}.hero-house-art{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(210,238,255,.2),transparent 30%),url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1200&q=85');background-size:cover;background-position:center 55%;clip-path:polygon(10% 0,100% 0,100% 100%,0 100%);border-radius:0}
.section-pad{padding-top:13px;padding-bottom:16px}.section-heading h2{font-size:27px;line-height:1.1;letter-spacing:-.7px;margin:0 0 3px;font-weight:900}.section-heading h2:after{content:"";display:block;width:35px;height:3px;background:var(--hc-orange);margin-top:3px}.section-heading p{margin:0;color:#263a59;font-size:14px}.calculator-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:15px -5px 0}.calculator-card{border:1px solid #e1e8f1;border-radius:13px;overflow:hidden;background:#fff;box-shadow:var(--hc-shadow);transition:transform .2s,box-shadow .2s}.calculator-card:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(13,29,60,.13)}.calculator-image{height:87px;display:block;position:relative;background-size:cover;background-position:center}.calculator-image-roof{background-image:url('https://images.unsplash.com/photo-1635424710928-5d3d4c2a2f5b?auto=format&fit=crop&w=700&q=80')}.calculator-image-hvac{background-image:url('https://images.unsplash.com/photo-1621905251189-08b45d6a269e?auto=format&fit=crop&w=700&q=80')}.calculator-image-plumbing{background-image:url('https://images.unsplash.com/photo-1607472586893-edb57bdc0e39?auto=format&fit=crop&w=700&q=80')}.calculator-image-electrical{background-image:url('https://images.unsplash.com/photo-1621905252507-b35492cc74b4?auto=format&fit=crop&w=700&q=80')}.category-icon{position:absolute;bottom:-17px;left:18px;width:48px;height:48px;border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--hc-blue);font-size:29px;font-weight:900;box-shadow:0 2px 7px rgba(0,0,0,.08)}.calculator-card-body{padding:14px 18px 12px}.calculator-card h3{font-size:18px;line-height:1.15;margin:0 0 3px;font-weight:900}.tool-count{display:inline-block;background:#e5f1ff;color:var(--hc-ink);border-radius:14px;padding:2px 9px;font-size:12px;font-weight:900;margin:1px 0 4px}.calculator-card p{font-size:13px;line-height:1.35;margin:0 0 6px;color:#263a59;min-height:35px}.text-link{color:var(--hc-blue);font-weight:900;font-size:13px}.text-link span{font-size:17px;margin-left:3px}.popular-calculators-wrap{padding:0 0 12px}.popular-calculators{background:linear-gradient(100deg,#fff2e8,#fff8f3);border-radius:14px;min-height:75px;padding:10px 14px;display:flex;align-items:center;gap:25px}.popular-intro{display:flex;align-items:center;gap:13px;width:36%;padding-right:20px;border-right:1px solid #e2cfc0}.popular-main-icon{flex:none;width:49px;height:49px;border-radius:50%;background:var(--hc-orange);color:#fff;display:grid;place-items:center;font-size:27px}.popular-intro h2{font-size:20px;margin:0;line-height:1.1;font-weight:900}.popular-intro p{font-size:13px;line-height:1.25;margin:3px 0 0}.shortcut-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;flex:1}.shortcut-card{height:42px;border:1px solid #d7e0ec;border-radius:13px;background:#fff;box-shadow:0 2px 5px rgba(13,29,60,.1);display:flex;align-items:center;justify-content:center;gap:10px;font-size:13px;font-weight:900;white-space:nowrap}.shortcut-card span{font-size:22px;color:var(--hc-blue)}
.editorial-section{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(300px,1fr);gap:20px;padding:0 0 28px}.section-heading.compact h2{font-size:26px}.featured-article{display:grid;grid-template-columns:1.15fr 1fr;border:1px solid #e5ebf3;border-radius:13px;overflow:hidden;box-shadow:var(--hc-shadow);margin:12px 0}.featured-image{min-height:160px;overflow:hidden}.featured-image img{width:100%;height:100%;object-fit:cover}.featured-content{padding:13px 17px;display:flex;flex-direction:column;justify-content:center}.content-label{align-self:flex-start;background:#ffead8;color:#d86600;border-radius:14px;padding:3px 10px;font-size:11px;font-weight:900;text-transform:uppercase}.featured-content h3{font-size:18px;line-height:1.15;margin:6px 0;font-weight:900}.featured-content p{font-size:14px;line-height:1.3;margin:0 0 9px}.article-meta{display:flex;align-items:center;gap:14px;color:#263a59;font-size:12px;font-weight:700}.latest-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.mini-article{display:flex;align-items:center;gap:9px;min-width:0;padding:5px;border:1px solid #e8edf3;border-radius:10px;box-shadow:0 2px 5px rgba(13,29,60,.07);background:#fff}.mini-thumb{width:88px;height:53px;flex:none;overflow:hidden;border-radius:7px}.mini-thumb img{width:100%;height:100%;object-fit:cover}.mini-article h3{font-size:12px;line-height:1.2;margin:0 0 4px;font-weight:900}.mini-meta{font-size:10px;color:#4a5b74;line-height:1.2}.view-all{display:inline-block;margin:9px 0 0 4px}.home-sidebar{display:flex;flex-direction:column;gap:12px}.sidebar-panel{border:1px solid #e1e9f3;border-radius:13px;padding:12px 14px;box-shadow:0 2px 8px rgba(13,29,60,.06);background:#fff}.sidebar-panel .section-heading h2{font-size:21px}.sidebar-panel .section-heading p{font-size:13px}.sidebar-article{display:grid;grid-template-columns:98px minmax(0,1fr);gap:11px;padding:9px 0;border-bottom:1px solid #e7edf4;align-items:center}.sidebar-thumb{height:58px;overflow:hidden;border-radius:7px}.sidebar-thumb img{width:100%;height:100%;object-fit:cover}.sidebar-article h3{font-size:12px;line-height:1.2;margin:0 0 5px;font-weight:900}.sidebar-panel>.text-link{display:inline-block;margin-top:9px}.popular-panel .sidebar-article{grid-template-columns:105px minmax(0,1fr)}.empty-note{font-size:13px;color:var(--hc-muted)}.hc-image-fallback{width:100%;height:100%;min-height:50px;display:grid;place-items:center;background:linear-gradient(135deg,#eaf4ff,#fff1e5);color:var(--hc-blue);font-weight:900}
.site-footer{background:#10243e;color:#fff}.footer-main{display:grid;grid-template-columns:1.35fr .7fr .8fr 1.1fr;gap:45px;padding:28px 0 23px}.brand-footer .brand-copy strong{color:#fff;font-size:24px}.brand-footer .brand-copy small{color:#d5e1f0}.footer-brand>p{max-width:300px;color:#d1dced;font-size:13px;margin:11px 0 0}.footer-links h2,.footer-newsletter h2{font-size:15px;margin:3px 0 8px;font-weight:900}.footer-links{display:flex;flex-direction:column;gap:5px}.footer-links a{font-size:13px;color:#e1e9f4}.footer-links a:hover,.footer-bottom a:hover{color:#ffb36e}.footer-newsletter p{font-size:13px;color:#d1dced;margin:0 0 9px}.newsletter-form{height:38px;display:flex;background:#fff;border-radius:10px;overflow:hidden;padding:3px}.newsletter-form input{min-width:0;flex:1;border:0;padding:0 9px;font:inherit;font-size:12px}.newsletter-form button{width:37px;border:0;border-radius:8px;background:var(--hc-orange);color:#fff;font-size:22px}.footer-newsletter small{font-size:10px;color:#aebdd0}.footer-bottom{border-top:1px solid rgba(255,255,255,.25);padding:11px 0 13px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#d1dced}.footer-bottom div{display:flex;gap:22px}.footer-bottom a{color:#fff}
.archive-layout,.page-layout,.single-layout{padding-top:38px;padding-bottom:55px}.archive-header h1,.page-article h1,.single-header h1{font-size:36px;line-height:1.1;margin:0 0 15px;font-weight:900}.archive-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.archive-card{border:1px solid var(--hc-line);border-radius:12px;overflow:hidden;box-shadow:var(--hc-shadow)}.archive-thumb{height:190px;display:block}.archive-thumb img{width:100%;height:100%;object-fit:cover}.archive-card>div{padding:15px}.archive-card h2{font-size:19px;line-height:1.2;margin:0 0 8px}.archive-card p{font-size:14px;color:var(--hc-muted)}.single-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:35px}.single-header{max-width:850px}.breadcrumbs{font-size:12px;color:var(--hc-muted);margin-bottom:12px}.single-featured{margin:20px 0}.single-featured img{width:100%;max-height:520px;object-fit:cover;border-radius:14px}.single-content{font-size:17px;line-height:1.75;max-width:850px}.single-content h2,.single-content h3{line-height:1.2;margin-top:1.5em}.single-sidebar{border:1px solid var(--hc-line);border-radius:12px;padding:15px;height:max-content}.single-sidebar h2{font-size:20px}.single-sidebar p{font-size:13px;border-bottom:1px solid var(--hc-line);padding-bottom:9px}.error-page{padding-block:80px}.error-page .search-form{max-width:500px;margin:20px 0}
@media(max-width:1000px){.hc-container{width:min(100% - 36px,900px)}.brand{min-width:210px}.brand-copy strong{font-size:23px}.primary-menu li a{padding:10px 11px;font-size:13px}.hero-inner{grid-template-columns:1fr .8fr}.hero-visual{margin-right:-18px}.hero h1{font-size:36px}.calculator-grid{gap:10px}.calculator-card-body{padding:13px}.calculator-card h3{font-size:16px}.popular-calculators{gap:14px}.popular-intro{width:33%}.shortcut-list{gap:7px}.shortcut-card{font-size:11px}.editorial-section{grid-template-columns:minmax(0,1.6fr) minmax(270px,1fr);gap:14px}.mini-thumb{width:70px}.footer-main{gap:25px}}
@media(max-width:760px){.hc-container{width:calc(100% - 32px)}.site-header{height:64px}.brand{min-width:0;margin-right:auto}.brand-copy strong{font-size:22px}.brand-mark{width:34px;height:34px;font-size:15px}.menu-toggle{display:flex;flex-direction:column;gap:4px;border:0;background:#f0f6ff;border-radius:8px;padding:9px;order:3}.menu-toggle i{width:19px;height:2px;background:var(--hc-ink);display:block}.primary-navigation{display:none;position:absolute;top:63px;left:0;right:0;background:#fff;border-top:1px solid var(--hc-line);box-shadow:var(--hc-shadow);padding:10px 16px}.primary-navigation.is-open{display:block}.primary-menu{display:flex;flex-direction:column;align-items:stretch;gap:2px}.primary-menu li a{padding:12px}.header-search-toggle{order:2}.header-search-panel{top:58px;right:12px}.hero-inner{display:block;min-height:0}.hero-copy{padding:27px 0 18px}.hero h1{font-size:clamp(30px,8vw,40px)}.hero-copy>p{font-size:14px}.hero-visual{height:190px;margin:0 -16px}.hero-house-art{clip-path:none;background-position:center 55%}.popular-searches{gap:6px}.popular-searches a{font-size:10px;padding:4px 8px}.section-pad{padding-top:22px;padding-bottom:20px}.section-heading h2{font-size:23px}.section-heading p{font-size:13px}.calculator-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-inline:0;gap:12px}.calculator-image{height:78px}.calculator-card-body{padding:13px}.calculator-card h3{font-size:15px}.calculator-card p{font-size:12px;min-height:48px}.text-link{font-size:12px}.popular-calculators{display:block;padding:13px}.popular-intro{width:100%;border:0;padding:0 0 10px}.popular-intro h2{font-size:19px}.shortcut-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.shortcut-card{font-size:12px}.editorial-section{display:flex;flex-direction:column;gap:18px;padding-bottom:25px}.section-heading.compact h2{font-size:23px}.featured-article{grid-template-columns:1fr}.featured-image{height:190px;min-height:0}.featured-content{padding:14px}.latest-grid{grid-template-columns:1fr 1fr;gap:7px}.mini-article{gap:7px;padding:4px}.mini-thumb{width:65px;height:49px}.mini-article h3{font-size:11px}.mini-meta{font-size:9px}.home-sidebar{display:grid;grid-template-columns:1fr}.sidebar-panel{padding:13px}.sidebar-panel .section-heading h2{font-size:20px}.footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 18px;padding:25px 0}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:8px}.footer-bottom div{gap:14px;flex-wrap:wrap}.archive-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.archive-thumb{height:140px}.single-layout{display:block}.single-sidebar{margin-top:30px}}
@media(max-width:420px){.brand-copy strong{font-size:20px}.hero h1{font-size:30px}.hero-search .search-form{height:43px}.hero-search .search-form button{padding:0 15px}.calculator-grid{gap:9px}.calculator-card-body{padding:10px}.calculator-card h3{font-size:14px}.latest-grid{grid-template-columns:1fr}.mini-thumb{width:82px;height:53px}.mini-article h3{font-size:12px}.footer-main{grid-template-columns:1fr 1fr}.footer-newsletter{grid-column:1/-1}.archive-grid{grid-template-columns:1fr}}


/* v1.0.1 visual refinements: consistent iconography, spacing and article typography */
.hero-search .search-form{height:52px;padding:4px;gap:8px}
.hero-search .search-form input[type=search]{padding:0 12px 0 16px}
.hero-search .search-form button{height:44px;min-width:112px;padding:0 28px;border-radius:24px;display:inline-flex;align-items:center;justify-content:center;line-height:1}
.section-heading h2{margin-bottom:9px}
.section-heading h2:after{margin-top:6px}
.section-heading p{line-height:1.5}
.section-pad{padding-top:18px}
.calculator-grid{margin-top:19px}
.category-icon,.popular-main-icon,.shortcut-card span{display:inline-flex;align-items:center;justify-content:center}
.hc-icon{width:18px;height:18px;display:inline-block;flex:none;stroke-width:2.25}
.category-icon .hc-icon{width:25px;height:25px;stroke-width:2.15}
.popular-main-icon .hc-icon{width:27px;height:27px;stroke-width:2.1}
.shortcut-card .hc-icon{width:22px;height:22px;stroke-width:2.2}
.calculator-image-roof{background-image:url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=700&q=80')}
.calculator-image-hvac{background-image:url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?auto=format&fit=crop&w=700&q=80')}
.calculator-image-plumbing{background-image:url('https://images.unsplash.com/photo-1607472586893-edb57bdc0e39?auto=format&fit=crop&w=700&q=80')}
.calculator-image-electrical{background-image:url('https://images.unsplash.com/photo-1600566753086-00f18fb6b3ea?auto=format&fit=crop&w=700&q=80')}
.article-meta{gap:16px}
.article-meta>span{display:inline-flex;align-items:center;gap:5px}
.article-meta .hc-icon{width:14px;height:14px;stroke-width:2.1}
.mini-meta{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.mini-category{display:inline-block}
.mini-date{display:inline-flex;align-items:center;gap:4px}
.mini-date .hc-icon{width:12px;height:12px;stroke-width:2.2}
.mini-article h3{font-size:16px;line-height:1.28;margin:0 0 5px;font-weight:900}
@media(max-width:1000px){.mini-article h3{font-size:15px}}
@media(max-width:760px){.hero-search .search-form{height:48px}.hero-search .search-form button{height:40px;min-width:88px;padding:0 18px}.mini-article h3{font-size:15px}}