:root{
  --green-950:#173a14;
  --green-900:#214d1c;
  --green-800:#285d21;
  --green-700:#2f6f25;
  --green-600:#3f7d32;
  --green-100:#eaf3e7;
  --green-050:#f5faf3;
  --soil-950:#2d170a;
  --soil-900:#3c1f0e;
  --soil-700:#5b3218;
  --soil-500:#7a4b24;
  --soil-100:#f2e9df;
  --charcoal:#202629;
  --muted:#65706a;
  --muted-2:#7d877f;
  --border:#d7ddd4;
  --border-strong:#b9c4b6;
  --surface:#fff;
  --canvas:#f7f6f1;
  --danger:#a83d2d;
  --warning:#9a5b13;
  --focus:#1677ff;
  --shadow-sm:0 5px 16px rgba(32,38,41,.07);
  --shadow:0 14px 40px rgba(32,38,41,.10);
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --content:1180px;
  --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{margin:0;background:var(--canvas);color:var(--charcoal);font-family:var(--font);line-height:1.55;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden}
img,svg{display:block;max-width:100%}
button,input,select{font:inherit}
button{cursor:pointer}
a{color:var(--green-700);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--green-900)}
[hidden]{display:none!important}
.skip-link{position:fixed;left:12px;top:-70px;z-index:1000;background:var(--charcoal);color:#fff;padding:10px 14px;border-radius:8px;text-decoration:none}.skip-link:focus{top:12px}
.container{width:min(var(--content),calc(100% - 32px));margin-inline:auto}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-inner{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-link{display:inline-flex;align-items:center;flex:0 1 390px;min-width:0}.brand-link img{width:min(100%,370px);height:54px;object-fit:contain;object-position:left center}
.desktop-nav{display:flex;align-items:center;gap:22px}.desktop-nav a{font-size:14px;color:#39423d;text-decoration:none;font-weight:720;white-space:nowrap}.desktop-nav a:hover{color:var(--green-700)}
.header-cta{display:inline-flex!important;align-items:center;gap:7px;background:var(--green-700);color:#fff!important;padding:10px 14px;border-radius:11px;box-shadow:0 4px 11px rgba(47,111,37,.20)}
.mobile-brand{display:none;align-items:center;gap:9px;text-decoration:none;color:var(--charcoal);font-weight:840}.mobile-brand img{width:38px;height:38px;border-radius:10px;object-fit:cover}
.menu-button{display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:12px;background:#fff;align-items:center;justify-content:center;color:var(--charcoal)}
.mobile-panel{position:fixed;inset:70px 0 auto 0;z-index:99;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow);padding:12px 16px 18px;display:none}.mobile-panel.open{display:grid}.mobile-panel a{padding:13px 8px;border-bottom:1px solid #edf0eb;text-decoration:none;color:var(--charcoal);font-weight:740}.mobile-panel a:last-child{border-bottom:0}
.hero{background:linear-gradient(180deg,#f7fbf5 0%,#fff 82%);border-bottom:1px solid var(--border)}
.hero-inner{padding:30px 0 25px}.breadcrumbs{display:flex;gap:7px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:13px}.breadcrumbs a{color:var(--muted);text-decoration:none}.breadcrumbs span[aria-hidden]{opacity:.65}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end}
.eyebrow{margin:0 0 8px;color:var(--green-700);font-weight:850;text-transform:uppercase;letter-spacing:.11em;font-size:12px}
h1{font-size:clamp(34px,4vw,57px);line-height:1.02;letter-spacing:-.045em;margin:0 0 13px;max-width:780px}
.hero-copy{font-size:18px;color:var(--muted);max-width:780px;margin:0}.trust-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.trust-chip{display:flex;align-items:center;gap:7px;padding:8px 11px;background:#fff;border:1px solid var(--border);border-radius:999px;font-size:12px;font-weight:760;color:#49534d;box-shadow:var(--shadow-sm)}
.main-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(250px,1fr);gap:24px;align-items:start;padding:28px 0 44px}
.calculator-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.calc-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;background:#fbfcfa;border-bottom:1px solid var(--border)}
.calc-title{display:flex;align-items:center;gap:11px}.calc-title-icon{width:39px;height:39px;border-radius:11px;background:var(--green-100);display:grid;place-items:center;color:var(--green-800)}.calc-title h2{font-size:18px;line-height:1.2;margin:0}.calc-title p{font-size:12px;color:var(--muted);margin:3px 0 0}
.segmented{display:inline-grid;grid-auto-flow:column;background:#eef0ec;padding:4px;border-radius:12px;gap:3px}.segmented button{border:0;background:transparent;color:var(--muted);border-radius:9px;font-weight:770;font-size:13px;padding:8px 13px;min-width:72px}.segmented button.active{background:#fff;color:var(--charcoal);box-shadow:0 2px 8px rgba(0,0,0,.08)}
.calc-body{padding:22px}
.step-label{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:830;color:var(--green-900);margin:0 0 11px}.step-number{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--green-100);font-size:12px}
.project-presets,.shape-tabs{display:flex;gap:8px;flex-wrap:wrap}.preset-button,.shape-button{border:1px solid var(--border);background:#fff;color:#4c5650;border-radius:11px;padding:9px 12px;font-size:13px;font-weight:740;display:inline-flex;align-items:center;gap:7px}.preset-button:hover,.shape-button:hover{border-color:var(--green-600);color:var(--green-800)}.preset-button.active,.shape-button.active{background:var(--green-100);border-color:#c9ddc4;color:var(--green-900)}
.form-section{margin-top:22px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:790}.field-label-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.field-note{font-size:11px;color:var(--muted);font-weight:650}
.control{display:grid;grid-template-columns:minmax(0,1fr) auto;border:1px solid var(--border-strong);border-radius:12px;overflow:hidden;background:#fff;transition:border-color .18s,box-shadow .18s}.control:focus-within{border-color:var(--focus);box-shadow:0 0 0 3px rgba(22,119,255,.14)}.control input,.control select{width:100%;height:50px;border:0;background:#fff;padding:0 14px;color:var(--charcoal);font-weight:690;outline:0;min-width:0}.control input::placeholder{color:#a0a8a2}.control .unit{display:flex;align-items:center;justify-content:center;min-width:58px;padding:0 12px;border-left:1px solid var(--border);background:#f1f3ef;color:var(--muted);font-size:13px;font-weight:770}.control select.unit-select{width:auto;min-width:105px;border-left:1px solid var(--border);background:#f1f3ef;color:var(--muted);font-size:13px;font-weight:770;padding:0 30px 0 11px}
.help-text{font-size:11px;color:var(--muted);margin:0}.error-message{margin:12px 0 0;background:#fff0ed;border:1px solid #f0c9c1;color:#7f2b1e;border-radius:11px;padding:10px 12px;font-size:13px;font-weight:680}
.depth-presets{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.depth-preset{border:1px solid var(--border);background:#f8f9f7;border-radius:8px;padding:5px 8px;font-size:11px;color:#59635d;font-weight:720}.depth-preset:hover{border-color:var(--green-600);color:var(--green-800)}
.allowance-box{grid-column:1/-1;background:var(--soil-100);border:1px solid #e5d4c2;border-radius:13px;padding:13px 14px;display:flex;gap:10px;align-items:flex-start;color:var(--soil-900);font-size:12px}.allowance-box svg{flex:0 0 auto;margin-top:1px}
.advanced-toggle{margin-top:17px;border:0;background:transparent;color:var(--green-700);font-weight:780;font-size:13px;padding:0;display:inline-flex;align-items:center;gap:7px}.advanced-toggle svg{transition:transform .18s}.advanced-toggle[aria-expanded="true"] svg{transform:rotate(180deg)}
.advanced-panel{margin-top:13px;padding:16px;background:#f8f9f6;border:1px solid var(--border);border-radius:14px}.advanced-panel .form-grid{gap:13px}
.calc-actions{display:flex;gap:10px;margin-top:20px}.button{min-height:50px;border-radius:12px;border:0;padding:0 18px;font-weight:830;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}.button-primary{background:var(--green-700);color:#fff;box-shadow:0 7px 16px rgba(47,111,37,.23);flex:1}.button-primary:hover{background:var(--green-800);color:#fff}.button-secondary{background:#fff;color:var(--green-900);border:1px solid var(--border)}.button-secondary:hover{border-color:var(--green-600)}.button-small{min-height:38px;padding:0 12px;font-size:12px;border-radius:9px}
.result-panel{margin-top:20px;background:linear-gradient(145deg,var(--green-950),var(--green-700));color:#fff;border-radius:20px;overflow:hidden;box-shadow:0 15px 34px rgba(33,77,28,.24)}
.result-summary{padding:21px 21px 17px}.result-top{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.result-kicker{font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:850;opacity:.72}.result-main{font-size:clamp(34px,6vw,48px);line-height:1.05;letter-spacing:-.04em;font-weight:880;margin:5px 0 4px}.result-explanation{margin:0;font-size:13px;opacity:.82;max-width:560px}.result-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.result-actions button{border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.10);color:#fff;border-radius:9px;min-height:38px;padding:0 11px;font-size:12px;font-weight:780;display:inline-flex;align-items:center;gap:6px}.result-actions button:hover{background:rgba(255,255,255,.18)}
.result-equivalents{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:17px}.equivalent{background:rgba(255,255,255,.085);border:1px solid rgba(255,255,255,.09);padding:11px;border-radius:11px}.equivalent b{display:block;font-size:15px}.equivalent span{font-size:10px;opacity:.66;text-transform:uppercase;letter-spacing:.055em;font-weight:760}
.result-tabs{display:flex;overflow:auto;border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12);scrollbar-width:none}.result-tabs::-webkit-scrollbar{display:none}.result-tab{border:0;background:transparent;color:rgba(255,255,255,.72);padding:12px 16px;font-size:12px;font-weight:780;white-space:nowrap;border-bottom:3px solid transparent}.result-tab.active{color:#fff;border-bottom-color:#fff;background:rgba(255,255,255,.065)}
.result-detail{padding:17px 21px 20px}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.detail-card{background:rgba(255,255,255,.085);border-radius:11px;padding:12px}.detail-card span{font-size:10px;opacity:.67;text-transform:uppercase;letter-spacing:.05em;font-weight:760;display:block}.detail-card b{font-size:16px;display:block;margin-top:3px}.result-note{font-size:11px;opacity:.72;margin:12px 0 0}.cost-entry{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}.dark-control{display:grid;gap:5px}.dark-control label{font-size:10px;opacity:.72;text-transform:uppercase;font-weight:800;letter-spacing:.045em}.dark-control input{height:42px;width:100%;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.10);color:#fff;border-radius:9px;padding:0 10px;outline:0}.dark-control input:focus{border-color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.14)}.dark-control input::placeholder{color:rgba(255,255,255,.45)}
.post-result-link{margin-top:12px;background:var(--green-050);border:1px solid #d9e8d5;border-radius:13px;padding:13px 14px;font-size:13px;display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.post-result-link p{margin:0;color:#435047}.post-result-link a{font-weight:790;white-space:nowrap}
.sidebar{display:grid;gap:15px}.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:18px}.side-card h2,.side-card h3{font-size:16px;margin:0 0 9px}.side-card p,.side-card li{font-size:12px;color:var(--muted)}.side-card p{margin:0}.side-card ul{margin:9px 0 0;padding-left:18px}.side-card li+li{margin-top:7px}.tip-list{list-style:none!important;padding:0!important}.tip-list li{display:flex;gap:9px;align-items:flex-start}.tip-list svg{flex:0 0 auto;color:var(--green-700);margin-top:2px}
.ad-slot{min-height:250px;display:grid;place-items:center;background:#f5f6f3;border:1px dashed #aeb7aa;border-radius:14px;color:#7d867f;text-align:center;padding:20px}.ad-slot span{font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:810}.ad-slot small{display:block;text-transform:none;letter-spacing:0;font-weight:600;margin-top:5px}.ad-label{font-size:9px;text-transform:uppercase;letter-spacing:.12em;color:#909990;text-align:center;margin:0 0 5px}
.related-mini{display:grid;gap:9px}.related-mini a{display:grid;grid-template-columns:34px 1fr auto;gap:9px;align-items:center;text-decoration:none;padding:9px 0;border-bottom:1px solid #edf0eb;color:var(--charcoal)}.related-mini a:last-child{border:0}.mini-icon{width:34px;height:34px;border-radius:9px;background:var(--green-100);display:grid;place-items:center;color:var(--green-800)}.related-mini b{font-size:12px}.related-mini small{display:block;font-size:10px;color:var(--muted)}
.content-section{padding:48px 0;border-top:1px solid var(--border);background:#fff}.content-section.alt{background:var(--canvas)}.section-heading{max-width:780px;margin-bottom:25px}.section-heading .eyebrow{margin-bottom:7px}.section-heading h2{font-size:clamp(27px,3vw,38px);line-height:1.12;letter-spacing:-.03em;margin:0 0 9px}.section-heading p{color:var(--muted);margin:0}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.step-card{background:#fff;border:1px solid var(--border);border-radius:17px;padding:20px}.alt .step-card{background:#fff}.step-card-number{width:35px;height:35px;border-radius:11px;background:var(--green-100);color:var(--green-900);display:grid;place-items:center;font-weight:850}.step-card h3{font-size:16px;margin:13px 0 7px}.step-card p{font-size:13px;color:var(--muted);margin:0}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:16px;background:#fff}.coverage-table{border-collapse:collapse;width:100%;min-width:620px}.coverage-table th,.coverage-table td{text-align:left;padding:13px 15px;border-bottom:1px solid var(--border);font-size:13px}.coverage-table th{background:#f4f6f2;color:#475149;font-size:11px;text-transform:uppercase;letter-spacing:.055em}.coverage-table tr:last-child td{border-bottom:0}.coverage-table td:first-child{font-weight:760}
.formula-callout{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center;background:linear-gradient(135deg,var(--soil-950),var(--soil-700));color:#fff;border-radius:22px;padding:26px}.formula-callout h2{font-size:28px;line-height:1.13;margin:0 0 9px}.formula-callout p{margin:0;opacity:.79;font-size:13px}.formula-box{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.13);border-radius:16px;padding:18px}.formula-box code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:14px;white-space:normal}.formula-box small{display:block;margin-top:10px;opacity:.7}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related-card{background:#fff;border:1px solid var(--border);border-radius:17px;padding:19px;text-decoration:none;color:var(--charcoal);transition:transform .18s,border-color .18s,box-shadow .18s}.related-card:hover{transform:translateY(-2px);border-color:#bdd0b8;box-shadow:var(--shadow-sm);color:var(--charcoal)}.related-card .mini-icon{margin-bottom:12px}.related-card h3{font-size:16px;margin:0 0 6px}.related-card p{font-size:12px;color:var(--muted);margin:0}.coming-soon{display:inline-block;margin-top:13px;font-size:10px;text-transform:uppercase;letter-spacing:.07em;font-weight:830;color:var(--soil-700);background:var(--soil-100);padding:5px 7px;border-radius:7px}
.faq-list{display:grid;gap:10px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}.faq-question{width:100%;border:0;background:#fff;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;font-weight:780;color:var(--charcoal)}.faq-question svg{transition:transform .18s;flex:0 0 auto}.faq-question[aria-expanded="true"] svg{transform:rotate(180deg)}.faq-answer{padding:0 18px 16px;color:var(--muted);font-size:13px}.faq-answer p{margin:0}
.site-footer{background:#172018;color:#fff;padding:38px 0 82px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:28px}.footer-brand img{width:300px;background:#fff;border-radius:10px;padding:5px 10px}.footer-brand p{font-size:12px;opacity:.7;max-width:390px}.footer-col h2{font-size:13px;margin:0 0 10px}.footer-col a{display:block;color:rgba(255,255,255,.67);font-size:12px;text-decoration:none;padding:3px 0}.footer-col a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:27px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.55);font-size:11px}
.bottom-nav{display:none;position:fixed;z-index:98;bottom:0;left:0;right:0;height:64px;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-top:1px solid var(--border);grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a,.bottom-nav button{border:0;background:transparent;text-decoration:none;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10px;font-weight:740}.bottom-nav .active{color:var(--green-700)}.bottom-nav svg{width:20px;height:20px}
.toast{position:fixed;left:50%;bottom:82px;z-index:200;transform:translate(-50%,20px);opacity:0;background:var(--charcoal);color:#fff;border-radius:10px;padding:10px 14px;font-size:12px;font-weight:700;box-shadow:var(--shadow);pointer-events:none;transition:opacity .2s,transform .2s}.toast.show{opacity:1;transform:translate(-50%,0)}
.saved-drawer{position:fixed;inset:0;z-index:210;pointer-events:none}.drawer-backdrop{position:absolute;inset:0;background:rgba(11,18,12,.46);opacity:0;transition:opacity .2s}.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(440px,100%);background:#fff;transform:translateX(100%);transition:transform .23s;display:flex;flex-direction:column;box-shadow:-15px 0 40px rgba(0,0,0,.16)}.saved-drawer.open{pointer-events:auto}.saved-drawer.open .drawer-backdrop{opacity:1}.saved-drawer.open .drawer-panel{transform:translateX(0)}.drawer-header{padding:18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.drawer-header h2{font-size:19px;margin:0}.icon-button{width:40px;height:40px;border:1px solid var(--border);background:#fff;border-radius:10px;display:grid;place-items:center}.saved-list{padding:14px;overflow:auto;display:grid;gap:10px}.saved-item{border:1px solid var(--border);border-radius:13px;padding:13px}.saved-item-top{display:flex;justify-content:space-between;gap:12px}.saved-item b{font-size:15px}.saved-item small{color:var(--muted);font-size:10px}.saved-item p{margin:7px 0 0;color:var(--muted);font-size:11px}.saved-item button{margin-top:9px;border:1px solid var(--border);background:#fff;border-radius:8px;padding:6px 9px;font-size:10px;font-weight:760;color:var(--danger)}.empty-state{text-align:center;padding:50px 20px;color:var(--muted)}.empty-state svg{margin:auto;color:#9ca59f}.empty-state h3{color:var(--charcoal);font-size:16px;margin:13px 0 5px}.empty-state p{font-size:12px;margin:0}
@media (max-width:980px){
  .desktop-nav{display:none}.brand-link{display:none}.mobile-brand,.menu-button{display:flex}.main-layout{grid-template-columns:1fr}.sidebar{grid-template-columns:repeat(2,1fr)}.sidebar .ad-wrap{grid-column:1/-1}.hero-grid{grid-template-columns:1fr}.trust-row{justify-content:flex-start}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}.footer-col:last-child{grid-column:2}.related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:700px){
  html{scroll-padding-top:73px}.container{width:min(100% - 28px,var(--content))}.site-header .container{width:min(100% - 24px,var(--content))}.header-inner{min-height:62px}.mobile-panel{inset:62px 0 auto}.hero-inner{padding:20px 0 18px}.hero-copy{font-size:15px}.trust-row{gap:6px}.trust-chip{font-size:10px;padding:7px 9px}.main-layout{padding:16px 0 32px}.calculator-card{border-radius:18px}.calc-header{padding:14px;align-items:flex-start}.calc-title p{display:none}.segmented button{min-width:55px;padding:7px 8px;font-size:11px}.calc-body{padding:15px}.project-presets{display:grid;grid-template-columns:repeat(2,1fr)}.preset-button{justify-content:center}.shape-tabs{display:grid;grid-template-columns:repeat(3,1fr)}.shape-button{justify-content:center;padding-inline:7px}.shape-button svg{display:none}.form-grid{grid-template-columns:1fr}.field.full,.allowance-box{grid-column:auto}.calc-actions{position:sticky;bottom:72px;z-index:12;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);margin-inline:-15px;padding:10px 15px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.calc-actions .button-secondary{min-width:74px}.result-panel{margin-top:13px}.result-summary{padding:17px}.result-top{display:block}.result-actions{margin-top:13px;justify-content:flex-start}.result-main{font-size:35px}.result-equivalents{grid-template-columns:repeat(2,1fr)}.result-detail{padding:15px 17px 18px}.detail-grid{grid-template-columns:1fr 1fr}.detail-card:last-child:nth-child(odd){grid-column:1/-1}.cost-entry{grid-template-columns:1fr}.post-result-link{display:block}.post-result-link a{display:inline-block;margin-top:7px}.sidebar{grid-template-columns:1fr}.sidebar .ad-wrap{grid-column:auto}.ad-slot{min-height:130px}.content-section{padding:38px 0}.steps-grid,.related-grid{grid-template-columns:1fr}.formula-callout{grid-template-columns:1fr;padding:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-col:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:4px}.bottom-nav{display:grid}.site-footer{padding-bottom:94px}.toast{bottom:78px}
}
@media (max-width:430px){.project-presets{grid-template-columns:1fr 1fr}.calc-title-icon{display:none}.calc-header{gap:8px}.shape-button{font-size:11px}.footer-grid{grid-template-columns:1fr}.footer-brand,.footer-col:last-child{grid-column:auto}.result-equivalents{grid-template-columns:1fr 1fr}.result-main{font-size:32px}}
@media print{.site-header,.sidebar,.hero .trust-row,.calc-header,.form-section,.calc-actions,.result-actions,.post-result-link,.content-section,.site-footer,.bottom-nav,.toast,.saved-drawer{display:none!important}.hero{border:0}.hero-inner{padding:10px 0}.main-layout{display:block;padding:0}.calculator-card{border:0;box-shadow:none}.calc-body{padding:0}.result-panel{color:#000;background:#fff;border:1px solid #aaa;box-shadow:none}.result-tabs{display:none}.result-detail{display:block!important}.result-summary,.result-detail{padding:16px}.result-equivalents,.detail-grid{grid-template-columns:repeat(4,1fr)}.equivalent,.detail-card{border:1px solid #bbb;background:#fff}.result-kicker,.result-explanation,.equivalent span,.detail-card span,.result-note{opacity:1;color:#444}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Stage 5 shared platform additions */
.compact-hero{padding:36px 0 42px}.compact-hero h1{margin:.35rem 0 .7rem}.publish-notice{background:#fff8e8;border:1px solid #efd59a;border-radius:16px;padding:18px 20px;margin-bottom:24px}.publish-notice strong{display:block;color:#583710;margin-bottom:5px}.publish-notice p{margin:0;color:#6b573c}.platform-grid,.architecture-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.platform-card,.architecture-card{background:#fff;border:1px solid var(--border,#dfe5dc);border-radius:18px;padding:22px;box-shadow:0 8px 24px rgba(38,52,34,.06)}.platform-card h2,.architecture-card h2{font-size:1.08rem;margin:12px 0 8px}.platform-card p,.architecture-card p{color:var(--muted,#657062);line-height:1.65}.platform-card dl{border-top:1px solid #e7ebe5;padding-top:14px;margin-top:16px}.platform-card dl div{margin-top:10px}.platform-card dt{text-transform:uppercase;letter-spacing:.08em;font-size:.68rem;color:#778273;font-weight:800}.platform-card dd{margin:3px 0 0;font-size:.85rem;overflow-wrap:anywhere}.platform-card code{font-size:.78rem}.status-pill{display:inline-flex;border-radius:999px;padding:5px 9px;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.status-pill.live{background:#e5f3e1;color:#245c1c}.status-pill.planned{background:#f0f2ef;color:#637060}.platform-card-action{display:inline-flex;margin-top:14px;font-weight:800;color:var(--green,#2f6f25);text-decoration:none}.platform-card-action.muted{color:#7b8278}.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);background:#243126;color:#fff;border-radius:20px;overflow:hidden;margin-bottom:24px}.metric-strip div{padding:22px;border-right:1px solid rgba(255,255,255,.12)}.metric-strip div:last-child{border-right:0}.metric-strip b{font-size:1.8rem;display:block}.metric-strip span{font-size:.8rem;color:#d7dfd5}.architecture-card>span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#e8f2e5;color:#2f6f25;font-weight:900}.center-link{text-align:center;margin-top:26px}.template-wireframe{display:grid;gap:12px}.wire-section{display:flex;gap:14px;border:1px dashed #9cab98;border-radius:14px;padding:17px;background:#fafcf9}.wire-section>span{display:grid;place-items:center;flex:0 0 32px;height:32px;border-radius:50%;background:#2f6f25;color:#fff;font-weight:800}.wire-section b{display:block}.wire-section p{margin:3px 0 0;color:#667162}.template-result{margin-top:18px}.footer-col span{display:block;color:#aeb8ac;margin:.55rem 0;font-size:.9rem}
@media(max-width:900px){.platform-grid,.architecture-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-strip{grid-template-columns:repeat(2,1fr)}.metric-strip div:nth-child(2){border-right:0}.metric-strip div:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.12)}}
@media(max-width:620px){.platform-grid,.architecture-grid{grid-template-columns:1fr}.metric-strip{grid-template-columns:1fr}.metric-strip div{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}.metric-strip div:last-child{border-bottom:0}.compact-hero{padding:25px 0 30px}}

/* Stage 6 specialist calculator system */
.calculator-page .hero-copy{max-width:850px}
.calculator-page .calc-body>form{border-bottom:1px solid var(--border);padding-bottom:4px}
.form-grid.three-col{grid-template-columns:repeat(3,minmax(0,1fr))}
.choice-card{position:relative;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:#fff;border-radius:11px;padding:10px 13px;font-size:13px;font-weight:760;color:#4c5650;cursor:pointer}
.choice-card input{accent-color:var(--green-700)}
.choice-card:has(input:checked){background:var(--green-100);border-color:#bfd5ba;color:var(--green-900)}
.specialist-result{margin-top:24px}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.article-grid>div{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:var(--shadow-sm)}
.article-grid h3{font-size:16px;margin:0 0 8px}
.article-grid p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.note-panel{background:var(--soil-100);border:1px solid #e2cfbb;color:var(--soil-900);padding:20px;border-radius:16px;line-height:1.7}
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.check-grid span{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px;font-weight:760;font-size:13px}
.card-link{display:inline-block;margin-top:12px;color:var(--green-700);font-weight:800;font-size:12px}
.area-rows{display:grid;gap:14px}
.area-row{border:1px solid var(--border);background:#f9faf8;border-radius:16px;padding:15px}
.area-row-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.area-row-head strong{font-size:13px;color:var(--green-900)}
.remove-area{border:0;background:transparent;color:var(--danger);font-size:11px;font-weight:800;padding:5px}
.area-row-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr 1fr;gap:10px}
.area-row .field label{font-size:11px}
.area-row .control input,.area-row .control select{height:44px;font-size:13px}
.add-area{margin-top:12px}
.directory-intro{max-width:780px}
.directory-page .platform-card{display:flex;flex-direction:column}
.directory-page .platform-card .platform-card-action{margin-top:auto;padding-top:14px}
.directory-page .status-pill.live{align-self:flex-start}
.directory-page .publish-notice{background:var(--green-050);border-color:#cfe0cb}
.directory-page .publish-notice strong{color:var(--green-900)}
.directory-page .publish-notice p{color:var(--muted)}
@media(max-width:980px){.area-row-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-grid{grid-template-columns:1fr 1fr}.check-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.form-grid.three-col{grid-template-columns:1fr}.choice-card{justify-content:center}.area-row-grid,.article-grid,.check-grid{grid-template-columns:1fr}.area-row{padding:12px}.calculator-page .calc-actions{position:static;margin:20px 0 0;padding:0;border:0;background:transparent}.specialist-result{margin-top:18px}}
@media print{.calculator-page form{display:none!important}.specialist-result{margin-top:0}}

/* Stage 7 guides, trust pages and internal-link system */
.content-hero .hero-copy{max-width:880px}.content-shell{max-width:1040px}.guide-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.guide-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px;box-shadow:var(--shadow-sm)}.guide-card .card-kicker{margin:0 0 8px;color:var(--green-700);font-size:11px;text-transform:uppercase;letter-spacing:.09em;font-weight:850}.guide-card h2{font-size:21px;line-height:1.2;margin:0 0 8px}.guide-card p:not(.card-kicker){color:var(--muted);margin:0 0 16px}.guide-card>a{margin-top:auto;font-weight:800;text-decoration:none}.editorial-callout{display:flex;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(135deg,var(--green-950),var(--green-700));color:#fff;border-radius:20px;padding:24px}.editorial-callout strong{font-size:20px}.editorial-callout p{margin:5px 0 0;max-width:720px;opacity:.82}.editorial-callout .button{flex:0 0 auto;background:#fff;color:var(--green-900)}
.prose-layout,.policy-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:34px;align-items:start}.prose{background:#fff;border:1px solid var(--border);border-radius:20px;padding:clamp(24px,4vw,46px);box-shadow:var(--shadow-sm)}.prose h2{font-size:clamp(23px,3vw,31px);line-height:1.18;letter-spacing:-.025em;margin:36px 0 12px}.prose h2:first-child{margin-top:0}.prose h3{font-size:19px;margin:28px 0 9px}.prose p,.prose li{color:#4f5a53;font-size:16px;line-height:1.82}.prose li+li{margin-top:7px}.prose code,.formula-list code,.side-note code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#f1f4ef;border:1px solid var(--border);border-radius:7px;padding:2px 6px;color:var(--soil-900)}.prose-sidebar{display:grid;gap:15px;position:sticky;top:92px}.toc-card,.side-note,.warning-card,.source-card,.checklist-card,.policy-nav{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow-sm)}.toc-card strong,.side-note strong,.warning-card strong,.source-card strong,.checklist-card strong,.policy-nav strong{display:block;margin-bottom:10px}.toc-card a,.policy-nav a{display:block;padding:7px 0;border-bottom:1px solid #edf0eb;text-decoration:none;font-size:13px;font-weight:740}.toc-card a:last-child,.policy-nav a:last-child{border-bottom:0}.side-note p,.warning-card p,.source-card p{font-size:13px;color:var(--muted);margin:8px 0 0}.warning-card{background:#fff8e8;border-color:#efd59a}.source-card a{display:inline-block;margin-top:11px;font-size:12px;font-weight:800}.checklist-card span{display:block;padding:8px 0 8px 23px;border-bottom:1px solid #edf0eb;color:#526058;font-size:13px;position:relative}.checklist-card span:before{content:'✓';position:absolute;left:0;color:var(--green-700);font-weight:900}.checklist-card span:last-child{border-bottom:0}.formula-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:21px 0}.formula-list>div{display:grid;gap:7px;background:var(--green-050);border:1px solid #d8e5d4;border-radius:13px;padding:15px}.formula-list strong{font-size:13px}.formula-list code{display:block;overflow-wrap:anywhere}.content-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--border);border-radius:14px;overflow:hidden;margin:22px 0}.content-table th,.content-table td{padding:13px 14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;font-size:14px}.content-table th{background:#f2f5f0;color:#405047;font-size:12px;text-transform:uppercase;letter-spacing:.05em}.content-table tr:last-child td{border-bottom:0}.reference-list{display:grid;gap:10px}.reference-list a{display:grid;gap:3px;background:#f8faf7;border:1px solid var(--border);border-radius:13px;padding:15px;text-decoration:none}.reference-list a span{color:var(--muted);font-size:13px}.trust-stack{display:grid;gap:10px}.trust-stack a{display:grid;gap:3px;padding:15px;background:#fff;border:1px solid var(--border);border-radius:14px;text-decoration:none;box-shadow:var(--shadow-sm)}.trust-stack span{font-size:12px;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.contact-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px;box-shadow:var(--shadow-sm)}.contact-card h2{font-size:21px;margin:0 0 9px}.contact-card p{color:var(--muted)}.contact-card .button{margin-top:10px;width:100%}.policy-prose .policy-date{display:inline-block;background:#f2f5f0;border:1px solid var(--border);border-radius:999px;padding:6px 11px;font-size:12px;color:#526058}.related-guides-section{border-top:1px solid var(--border);background:#f4f7f2}.related-guides-section .related-card{display:flex;flex-direction:column}.related-guides-section .card-link{margin-top:auto;padding-top:12px}.method-source-line{text-align:center;margin:22px 0 0;color:var(--muted);font-size:12px}.stage7-footer-grid{grid-template-columns:1.35fr repeat(3,1fr)}.footer-method-link{color:#dce9d8!important;font-size:12px;font-weight:800}.footer-col a{padding:4px 0}.source-card a[rel=external]::after,.reference-list a[rel=external] strong::after{content:' ↗';font-weight:500}.content-page-main .content-section:first-of-type{padding-top:48px}
@media(max-width:980px){.prose-layout,.policy-layout{grid-template-columns:1fr}.prose-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.contact-grid{grid-template-columns:1fr 1fr}.stage7-footer-grid{grid-template-columns:1.35fr repeat(2,1fr)}.stage7-footer-grid .footer-col:last-child{grid-column:auto}}
@media(max-width:700px){.guide-card-grid,.formula-list,.contact-grid,.prose-sidebar{grid-template-columns:1fr}.prose{padding:23px;border-radius:17px}.prose p,.prose li{font-size:15px}.editorial-callout{align-items:flex-start;flex-direction:column}.editorial-callout .button{width:100%}.content-table{display:block;overflow:auto}.content-table table{min-width:620px}.stage7-footer-grid{grid-template-columns:1fr}.stage7-footer-grid .footer-brand,.stage7-footer-grid .footer-col:last-child{grid-column:auto}}

/* Stage 9 production controls */
.footer-action{appearance:none;border:0;background:transparent;color:inherit;font:inherit;text-align:left;padding:0;cursor:pointer;opacity:.88}.footer-action:hover,.footer-action:focus-visible{text-decoration:underline;opacity:1}.ad-slot[data-ad-status="blocked"]{display:none}.ad-slot[data-ad-status="loading"]{opacity:.72}.ad-slot .adsbygoogle{width:100%;min-height:250px}.offline-card{max-width:720px;margin:auto;padding:32px;border:1px solid var(--border);border-radius:20px;background:#fff;box-shadow:var(--shadow)}.offline-card .button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}