:root{--ink:#15362f;--deep:#123f37;--deep2:#0e312b;--mint:#bdf0bb;--mint2:#e7f6e8;--paper:#f7f8f4;--white:#fff;--muted:#5d6e68;--line:#dfe6e1;--warm:#eff1ea;--shadow:0 16px 50px rgba(18,63,55,.10);--radius:24px;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px 14px;border-radius:10px;z-index:999}.skip-link:focus{left:8px}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,248,244,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(21,54,47,.08)}.header-inner{max-width:var(--max);margin:auto;min-height:72px;padding:0 24px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;letter-spacing:-.4px;white-space:nowrap}.brand-icon{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--deep);color:var(--mint)}.brand-dot{color:#4ca372}.desktop-nav{display:flex;align-items:center;gap:17px;margin-left:10px;font-size:13px;color:#355149;flex:1}.desktop-nav a:hover,.desktop-nav a:focus{color:#0f6e56}.header-control{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}select{border:1px solid var(--line);border-radius:10px;background:#fff;padding:7px 9px;color:var(--ink)}.mobile-nav{display:none;margin-left:auto}.mobile-nav summary{cursor:pointer;font-weight:700}.mobile-panel{position:absolute;right:20px;top:62px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:12px;display:grid;min-width:220px}.mobile-panel a{padding:10px 12px;border-radius:10px}.mobile-panel a:hover{background:var(--mint2)}main{min-height:65vh}.container{max-width:var(--max);margin:auto;padding:0 24px}.hero{max-width:var(--max);margin:28px auto 0;padding:0 24px}.hero-card{background:linear-gradient(135deg,var(--deep),#1b574b 68%,#2b7461);border-radius:32px;color:#fff;padding:70px 66px;position:relative;overflow:hidden;box-shadow:var(--shadow)}.hero-card:after{content:"";pointer-events:none;position:absolute;width:370px;height:370px;border:1px solid rgba(189,240,187,.20);border-radius:50%;right:-90px;top:-120px;box-shadow:0 0 0 70px rgba(189,240,187,.05),0 0 0 140px rgba(189,240,187,.035)}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-weight:800;font-size:11px;color:#356f5a}.hero-card .eyebrow{color:var(--mint)}h1,h2,h3{line-height:1.08;letter-spacing:-.035em;margin:0}h1{font-size:clamp(42px,7vw,78px);max-width:760px}.hero-card p{max-width:650px;font-size:19px;color:#d7e9e3;margin:24px 0 30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.18s ease}.button.primary{background:var(--mint);color:var(--deep)}.button.primary:hover{transform:translateY(-1px);background:#cef5cc}.button.secondary{background:#fff;color:var(--deep);border-color:var(--line)}.button.secondary:hover{background:var(--mint2)}.button.dark{background:var(--deep);color:#fff}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.stat-row{max-width:var(--max);margin:18px auto 0;padding:0 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}.stat strong{display:block;font-size:28px}.stat span{font-size:13px;color:var(--muted)}.section{padding:74px 0}.section.soft{background:var(--warm);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-head h2{font-size:clamp(30px,4vw,48px);margin-top:7px}.section-head p{max-width:650px;color:var(--muted);margin:12px 0 0}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool-card,.guide-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;min-height:220px;display:flex;flex-direction:column;box-shadow:0 3px 14px rgba(18,63,55,.03);transition:.18s ease}.tool-card:hover,.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bfd3c8}.tool-card h3,.guide-card h3{font-size:23px;margin:10px 0}.tool-card p,.guide-card p{color:var(--muted);font-size:14px;margin:0 0 20px}.tool-cat,.guide-cat{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#356f5a;font-weight:800}.tool-open,.guide-card>span:last-child{margin-top:auto;font-weight:800;font-size:13px;color:#1b6e58}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.category-card{background:var(--deep);color:white;border-radius:20px;padding:24px;min-height:160px}.category-card span{color:var(--mint);font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.1em}.category-card h3{margin:12px 0 8px;font-size:22px}.category-card p{color:#cfe1db;font-size:13px;margin:0}.content-hero{padding:64px 0 32px}.content-hero h1{font-size:clamp(40px,6vw,68px);max-width:900px}.content-hero p{max-width:780px;font-size:18px;color:var(--muted);margin:20px 0}.breadcrumbs{font-size:12px;color:var(--muted);margin-bottom:20px}.breadcrumbs a{text-decoration:underline;text-underline-offset:3px}.search-box{width:100%;padding:17px 18px;border-radius:15px;border:1px solid var(--line);background:#fff;color:var(--ink);margin:0 0 22px;box-shadow:0 3px 10px rgba(18,63,55,.03)}.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.filter-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;cursor:pointer;font-weight:700;font-size:12px}.filter-chip.active,.filter-chip:hover{background:var(--deep);color:#fff;border-color:var(--deep)}.calculator-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.86fr);gap:18px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 3px 16px rgba(18,63,55,.03)}.panel h2{font-size:27px}.panel-sub{color:var(--muted);font-size:14px;margin:8px 0 22px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label{display:block;font-size:12px;font-weight:800;margin-bottom:7px}.input-shell{display:flex;align-items:center;background:#f9faf7;border:1px solid var(--line);border-radius:13px;overflow:hidden}.input-shell:focus-within{border-color:#5e9a83;box-shadow:0 0 0 3px rgba(94,154,131,.12)}.input-shell input{min-width:0;flex:1;border:0;background:transparent;padding:13px 12px;color:var(--ink);outline:0}.input-shell span{padding:0 11px;color:var(--muted);font-size:12px;white-space:nowrap}.result-box{background:linear-gradient(145deg,var(--deep),#205f51);color:#fff;border-radius:22px;padding:27px;margin-top:4px}.result-label{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:#b9d7cd;font-weight:800}.result-value{font-size:clamp(38px,6vw,62px);font-weight:900;letter-spacing:-.045em;margin:8px 0}.result-note{color:#d7e9e3;font-size:13px}.actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.status{min-height:22px;color:#57736a;font-size:13px;margin-top:12px}.currency-note{font-size:12px;color:#596862;margin-top:14px;border-top:1px solid var(--line);padding-top:12px}.formula-box{background:var(--mint2);border:1px solid #cfe6d2;border-radius:18px;padding:20px;margin-top:18px}.formula-box strong{display:block;margin-bottom:7px}.tool-article{padding:44px 0 72px}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px}.prose{font-size:16px}.prose h2{font-size:32px;margin:38px 0 12px}.prose h3{font-size:22px;margin:26px 0 8px}.prose p{color:#425951}.prose ul{padding-left:22px;color:#425951}.prose li{margin:8px 0}.faq-item{border-top:1px solid var(--line);padding:18px 0}.faq-item h3{margin:0 0 7px}.aside-card{position:sticky;top:94px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.aside-card h3{font-size:18px;margin-bottom:12px}.aside-card a{display:block;padding:9px 0;border-top:1px solid #edf1ed;font-size:13px;font-weight:700}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.trust-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:20px}.trust-card h3{font-size:21px;margin:10px 0}.trust-card p{font-size:14px;color:var(--muted);margin:0}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.guide-card{min-height:260px}.guide-article{max-width:820px;margin:auto}.guide-article h1{font-size:clamp(40px,6vw,66px)}.guide-article .lead{font-size:20px;color:var(--muted);margin:22px 0 36px}.guide-article h2{font-size:31px;margin:38px 0 12px}.guide-article p{color:#425951;font-size:17px}.info-page{max-width:850px;padding:64px 24px 80px;margin:auto}.info-page h1{font-size:52px}.info-page h2{font-size:28px;margin:36px 0 10px}.info-page p,.info-page li{color:#425951}.contact-form{display:grid;gap:15px;margin-top:26px}.contact-form label{font-size:13px;font-weight:800}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:13px;padding:13px;background:#fff}.contact-form textarea{min-height:150px;resize:vertical}.site-footer{background:var(--deep2);color:#fff;padding:56px 24px 24px}.footer-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.footer-grid p{color:#adc5bd;max-width:280px}.footer-grid h3{font-size:14px;margin-bottom:12px}.footer-grid a:not(.brand){display:block;color:#c9ddd6;font-size:13px;margin:8px 0}.footer-brand{margin-bottom:15px}.footer-bottom{max-width:var(--max);margin:34px auto 0;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9fb8b0;font-size:12px}.no-results{padding:30px;border:1px dashed #b9c8c0;border-radius:18px;color:var(--muted);grid-column:1/-1}.notice{background:#fff8dc;border:1px solid #eadf9f;border-radius:16px;padding:16px 18px;color:#655b24;font-size:13px;margin:20px 0}.staging-banner{background:#ffe9b3;color:#554515;text-align:center;padding:8px 16px;font-size:12px;font-weight:800}@media(max-width:1020px){.desktop-nav{display:none}.mobile-nav{display:block}.header-control{margin-left:0}.category-grid{grid-template-columns:repeat(3,1fr)}.tool-grid,.guide-grid{grid-template-columns:repeat(2,1fr)}.calculator-layout,.article-grid{grid-template-columns:1fr}.aside-card{position:static}.hero-card{padding:56px 40px}}@media(max-width:680px){.header-inner{padding:0 16px;min-height:64px}.header-control label{display:none}.brand{font-size:18px}.brand-icon{width:31px;height:31px}.hero{padding:0 14px;margin-top:14px}.hero-card{padding:43px 24px;border-radius:24px}.hero-card p{font-size:16px}.stat-row{padding:0 14px;grid-template-columns:1fr}.container{padding:0 16px}.section{padding:54px 0}.section-head{align-items:start;flex-direction:column}.tool-grid,.guide-grid,.category-grid,.trust-grid{grid-template-columns:1fr}.content-hero{padding:46px 0 20px}.field-grid{grid-template-columns:1fr}.panel{padding:21px;border-radius:19px}.result-value{font-size:42px}.article-grid{gap:18px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.tool-card{min-height:190px}.guide-card{min-height:220px}.info-page h1{font-size:42px}}@media(max-width:420px){.footer-grid{grid-template-columns:1fr}.header-control select{max-width:78px}.mobile-panel{right:10px}.hero-actions .button{width:100%}}

/* Accessibility hardening */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #62a889;outline-offset:3px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

@media(max-width:420px){.header-inner{gap:10px;padding-left:12px;padding-right:12px}.brand{font-size:15px;gap:6px}.brand-icon{display:none}.header-control select{max-width:74px}}

/* Final production polish */
.hero-card>*{position:relative;z-index:1}
.quality-row{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:18px;color:#5d6e68;font-size:12px}.quality-row span{display:inline-flex;align-items:center;gap:6px}.quality-row span:before{content:"✓";color:#237357;font-weight:900}.content-hero .quality-row{margin-top:14px}.hero-card .quality-row{color:#d7e9e3}.hero-card .quality-row span:before{color:var(--mint)}
.secondary-result{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.18)}.secondary-result .result-label{margin-bottom:4px}.secondary-value{font-size:27px;font-weight:850;letter-spacing:-.025em}.result-meaning{margin-top:8px;color:#e7f3ef;font-size:13px;font-weight:650}
.review-note{margin:14px 0 0;color:#5d6e68;font-size:12px}.review-note strong{color:#254d42}
.privacy-links a,.info-page a.inline-link{text-decoration:underline;text-underline-offset:3px;color:#135e4a}.privacy-links a:hover,.info-page a.inline-link:hover{color:#0d4939}
.mobile-nav summary{min-height:42px;display:flex;align-items:center;padding:8px 4px}.filter-chip{min-height:40px}.header-control select{min-height:40px}.contact-form input,.contact-form textarea{font-size:16px}
@media(max-width:680px){.quality-row{gap:7px 12px}.result-value{overflow-wrap:anywhere}.secondary-value{font-size:24px}.button{min-height:44px}}
.calc-actions .button.primary{min-width:150px}.button:disabled{opacity:.48;cursor:not-allowed;transform:none!important}@media(max-width:680px){.calc-actions .button{flex:1 1 130px}.calc-actions .button.primary{flex-basis:100%}}


/* SmartCostTools website icon integration */
.brand-icon{background:transparent;overflow:hidden;box-shadow:0 2px 8px rgba(18,63,55,.14);flex:0 0 auto}
.brand-icon img{display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit}
@media(max-width:420px){.brand-icon{display:inline-grid;width:28px;height:28px;border-radius:9px}.brand{font-size:15px;gap:6px}}
@supports(padding:max(0px)){
  @media(max-width:680px){
    .header-inner{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
    .site-footer{padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right));padding-bottom:max(24px,env(safe-area-inset-bottom))}
  }
}