:root{
  --ink:#12222b;
  --muted:#60717a;
  --line:#dbe6e8;
  --paper:#ffffff;
  --soft:#d8e8e4;
  --soft2:#c9dfda;
  --brand:#0d6f68;
  --brand-dark:#095a54;
  --accent:#bfdcd5;
  --warn:#fff8e7;
  --shadow:0 16px 42px rgba(18,34,43,.08);
  --radius:18px;
  --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.68;
  font-size:17px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--brand-dark)}
.container{width:min(calc(100% - 36px),var(--max));margin-inline:auto}
.narrow{width:min(calc(100% - 36px),820px);margin-inline:auto}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:12px;top:12px;z-index:1000;background:#fff;padding:10px 14px;border:1px solid var(--line);border-radius:10px}
.reading-progress{position:fixed;left:0;top:0;height:3px;width:0;background:var(--brand);z-index:9999}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:850;text-decoration:none;letter-spacing:-.025em;font-size:21px}
.logo-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--brand);color:#fff;font-size:15px;letter-spacing:.04em}
.nav{display:flex;align-items:center;gap:22px}
.nav a{color:#263c45;text-decoration:none;font-weight:650;font-size:15px}
.nav a:hover{color:var(--brand)}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px;font-size:18px}
.hero{padding:76px 0 58px;background:linear-gradient(180deg,#d2e5e0 0%,#eaf3f0 100%)}
.eyebrow{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border-radius:999px;background:var(--accent);color:var(--brand-dark);font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}
.hero h1,.page-hero h1,.review-header h1{font-size:clamp(38px,6vw,66px);line-height:1.03;letter-spacing:-.055em;margin:18px 0}
.hero p{max-width:780px;font-size:20px;color:var(--muted);margin:0 0 28px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:12px;text-decoration:none;font-weight:800;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}
.section{padding:70px 0}
.section-soft{background:var(--soft)}
.section-title{max-width:780px;margin-bottom:30px}
.section-title h2{font-size:36px;line-height:1.15;letter-spacing:-.035em;margin:0 0 10px}
.section-title p{color:var(--muted);margin:0}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.card{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:24px;box-shadow:0 8px 28px rgba(16,33,43,.04)}
.card h3{margin:8px 0;font-size:21px;line-height:1.2}
.card p{margin:0;color:var(--muted)}
.card .small-link{display:inline-block;margin-top:15px;font-weight:800;text-decoration:none}
.icon-chip{width:42px;height:42px;border-radius:12px;background:var(--accent);display:grid;place-items:center;color:var(--brand-dark);font-weight:900}
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px}
.trust-item{background:#fff;border:1px solid var(--line);padding:17px;border-radius:14px}
.trust-item strong{display:block;font-size:15px}
.trust-item span{font-size:13px;color:var(--muted)}
.page-hero{padding:58px 0 34px;background:var(--soft)}
.page-hero h1{font-size:clamp(34px,5vw,52px)}
.page-hero p{max-width:760px;color:var(--muted);font-size:19px}
.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:15px}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.content h2{font-size:32px;line-height:1.2;letter-spacing:-.03em;margin:44px 0 14px}
.content h3{font-size:23px;line-height:1.25;margin:32px 0 10px}
.content p{margin:0 0 18px}
.content ul,.content ol{margin:0 0 22px;padding-left:22px}
.note{border-left:4px solid var(--brand);background:var(--soft);padding:18px 20px;border-radius:0 13px 13px 0;margin:24px 0}
.site-footer{background:#10212b;color:#dce7e8;padding:52px 0 28px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:32px}
.site-footer h3,.site-footer h4{color:#fff;margin-top:0}
.site-footer a{display:block;color:#dce7e8;text-decoration:none;margin:7px 0}
.site-footer p{color:#b8c7cd}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:22px;font-size:13px;color:#9fb1b8}
.review-shell{padding:44px 0}
.review-grid{display:grid;grid-template-columns:minmax(0,790px) 300px;gap:42px;align-items:start}
.review-header h1{font-size:clamp(38px,5vw,58px)}
.review-kicker{color:var(--brand-dark);font-weight:850;font-size:14px;text-transform:uppercase;letter-spacing:.06em}
.meta{display:flex;flex-wrap:wrap;gap:9px 16px;color:var(--muted);font-size:14px;margin:14px 0 22px}
.disclosure{background:#fff8e8;border:1px solid #f0d99a;border-radius:12px;padding:13px 15px;font-size:14px;margin:20px 0}
.lede{font-size:20px;color:#354b55}
.hero-image,.screenshot-placeholder{min-height:310px;border-radius:18px;border:1px solid var(--line);background:linear-gradient(135deg,#dff4ef,#f9fcfc);display:grid;place-items:center;text-align:center;padding:28px;color:#47606a;margin:24px 0}
.screenshot-placeholder{min-height:260px;border-style:dashed;background:#deece8}
.quick-verdict{border:1px solid #b9ded8;background:#d2e5e0;border-radius:18px;padding:22px;margin:28px 0}
.quick-verdict .rating{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.score{font-size:30px;font-weight:900;color:var(--brand-dark)}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.badge{font-size:12px;font-weight:800;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 9px}
.test-box{border:1px solid var(--line);border-radius:18px;padding:20px;margin:26px 0;background:#fff}
.test-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.test-stat{padding:12px;background:var(--soft);border-radius:12px}
.test-stat span{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:800}
.test-stat strong{display:block;margin-top:3px}
.toc{border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:28px 0;background:#fff}
.toc summary{cursor:pointer;font-weight:900}
.toc ol{margin:14px 0 0;padding-left:20px}
.toc a{text-decoration:none}
.overview-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:15px;overflow:hidden;margin:24px 0}
.overview-table th,.overview-table td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.overview-table th{width:34%;background:var(--soft);font-size:14px}
.overview-table tr:last-child th,.overview-table tr:last-child td{border-bottom:0}
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:25px 0}
.pc{border:1px solid var(--line);border-radius:16px;padding:20px}
.pc.pros{background:#f2fbf9}.pc.cons{background:#fff7f5}
.pc h3{margin-top:0}.pc ul{margin-bottom:0}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:25px 0}
.price-card{border:1px solid var(--line);border-radius:16px;padding:20px}
.price-card strong{font-size:25px;display:block;margin:8px 0}
.compare{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.compare th,.compare td{border:1px solid var(--line);padding:12px;text-align:left}
.compare th{background:var(--soft)}
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq summary{font-weight:850;cursor:pointer}
.author-box{display:flex;gap:16px;border:1px solid var(--line);border-radius:18px;padding:22px;margin-top:40px}
.avatar{width:58px;height:58px;border-radius:50%;background:var(--accent);display:grid;place-items:center;font-weight:900;color:var(--brand-dark);flex:0 0 auto}
.sidebar{position:sticky;top:96px}
.side-card{border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:16px;background:#fff;box-shadow:0 10px 30px rgba(16,33,43,.05)}
.side-card h3{margin:0 0 10px;font-size:19px}
.side-card p{font-size:14px;color:var(--muted)}
.mini-score{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
.mini-score:last-child{border-bottom:0}
.template-label{border:1px solid #8abeb6;background:#c5dfd9;color:#0b5f59;padding:12px 15px;border-radius:12px;font-weight:800;margin-bottom:22px}
.empty-state{border:1px dashed #aebfc4;border-radius:18px;padding:28px;background:#e2efec}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-weight:750;font-size:14px;margin:0 0 6px}
input,textarea{width:100%;border:1px solid #cbdadd;border-radius:10px;padding:12px 13px;font:inherit}
textarea{min-height:150px;resize:vertical}

@media (max-width:1040px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:18px;right:18px;top:66px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:16px;border-radius:14px;flex-direction:column;align-items:flex-start}
  .nav.open{display:flex}
}

@media (max-width:900px){
  .grid-3,.blog-grid{grid-template-columns:1fr 1fr}
  .trust-strip{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
  .sidebar{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  body{font-size:16px}
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:18px;right:18px;top:66px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:16px;border-radius:14px;flex-direction:column;align-items:flex-start}
  .nav.open{display:flex}
  .grid-3,.grid-2,.pricing,.pros-cons,.test-grid,.form-row{grid-template-columns:1fr}
  .trust-strip{grid-template-columns:1fr}
  .hero{padding:52px 0 42px}
  .section{padding:52px 0}
  .footer-grid{grid-template-columns:1fr}
  .hero-image{min-height:220px}
}


.policy-list{display:grid;gap:14px;margin:24px 0}
.policy-item{border:1px solid var(--line);background:#fff;border-radius:15px;padding:18px 20px}
.policy-item h3{margin:0 0 6px;font-size:20px}
.policy-item p{margin:0;color:var(--muted)}
.author-hero{display:grid;grid-template-columns:110px 1fr;gap:24px;align-items:center}
.author-photo{width:110px;height:110px;border-radius:50%;background:var(--accent);display:grid;place-items:center;font-size:34px;font-weight:900;color:var(--brand-dark);border:1px solid var(--line)}
.trust-nav{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}
.trust-nav a{display:inline-flex;padding:8px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;font-weight:750;font-size:14px}
.callout-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}
.callout{border:1px solid var(--line);border-radius:15px;padding:18px;background:var(--soft)}
.callout strong{display:block;margin-bottom:6px}
@media (max-width:720px){
  .author-hero,.callout-grid{grid-template-columns:1fr}
}


.review-type{
  display:flex;align-items:flex-start;gap:12px;border:1px solid var(--line);
  border-radius:16px;padding:16px 18px;margin:20px 0;background:#e2efec
}
.review-type strong{display:block;margin-bottom:3px}
.review-type .type-mark{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;background:var(--accent);
  display:grid;place-items:center;font-weight:900;color:var(--brand-dark)
}
.review-type.research{background:#ddebea}
.review-type.research .type-mark{background:#edf2f7;color:#334e5c}
.source-note{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:10px;margin-top:12px}


.blog-hero{padding:58px 0 38px;background:var(--soft)}
.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 8px 28px rgba(16,33,43,.05)}
.post-card img{width:100%;aspect-ratio:1200/630;object-fit:cover}
.post-card-body{padding:22px}
.post-card h2,.post-card h3{margin:5px 0 9px;line-height:1.2}
.blog-grid .post-card h2{font-size:21px}
.post-card p{color:var(--muted);margin:0 0 14px}
.article-wrap{padding:48px 0}
.article-header{max-width:900px;margin:0 auto 30px}
.article-header h1{font-size:clamp(38px,5vw,58px);line-height:1.05;letter-spacing:-.045em;margin:14px 0}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 16px;color:var(--muted);font-size:14px}
.article-featured{width:100%;border-radius:20px;border:1px solid var(--line);margin:28px 0}
.article-body{width:min(calc(100% - 36px),820px);margin-inline:auto}
.article-body h2{font-size:32px;line-height:1.2;letter-spacing:-.03em;margin:48px 0 14px}
.article-body h3{font-size:23px;line-height:1.25;margin:32px 0 10px}
.article-body p{margin:0 0 19px}
.article-body ul,.article-body ol{padding-left:23px;margin:0 0 22px}
.article-body li{margin:8px 0}
.article-body img{width:100%;border-radius:18px;border:1px solid var(--line);margin:28px 0 8px}
.image-caption{font-size:13px;color:var(--muted);margin:0 0 28px;text-align:center}
.key-takeaways{border:1px solid #b8d9d3;background:var(--soft);border-radius:18px;padding:22px;margin:28px 0}
.key-takeaways h2{font-size:23px;margin:0 0 8px}
.inline-cta{border:1px solid var(--line);background:#fff;border-radius:16px;padding:20px;margin:30px 0}
.article-toc{border:1px solid var(--line);border-radius:16px;padding:18px 20px;background:#fff;margin:26px 0}
.article-toc summary{font-weight:850;cursor:pointer}
.article-toc a{text-decoration:none}
.table-scroll{overflow-x:auto;margin:24px 0}
.guide-table{width:100%;border-collapse:collapse;min-width:680px}
.guide-table th,.guide-table td{padding:12px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}
.guide-table th{background:var(--soft)}
@media(max-width:720px){.blog-grid{grid-template-columns:1fr}}


.review-shot{
  margin:28px 0;
}
.review-shot img{
  width:100%;
  height:auto;
  border-radius:18px;
  border:1px solid var(--line);
  box-shadow:0 10px 28px rgba(16,33,43,.06);
}
.review-shot figcaption{
  font-size:13px;
  color:var(--muted);
  text-align:center;
  margin-top:8px;
  line-height:1.5;
}
.review-shot .source-label{
  display:inline;
  font-style:italic;
}


.verdict-tag{
  font-size:16px;
  line-height:1.35;
  max-width:280px;
  text-align:center;
  padding:14px 18px;
}

.video-figure{margin:28px 0}
.video-figure video{display:block;width:100%;height:auto;border-radius:18px;border:1px solid var(--line);background:#071625}
.video-figure figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;line-height:1.5}

.review-card-grid .post-card{
  height:100%;
  display:flex;
  flex-direction:column;
}
.review-card-grid .post-card > a{
  display:block;
}
.review-card-grid .post-card-body{
  display:flex;
  flex-direction:column;
  flex:1;
}
.review-card-grid .post-card-body .small-link{
  margin-top:auto;
}

.youtube-embed{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:18px;border:1px solid var(--line);background:#071625}
.youtube-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}


/* Free Tools / advanced calculator */
.tools-hero{padding:64px 0 44px;background:linear-gradient(180deg,#cfe4df 0%,#eef6f4 100%)}
.tools-hero h1{font-size:clamp(38px,5.5vw,60px);line-height:1.05;letter-spacing:-.05em;margin:16px 0}
.tools-hero p{max-width:800px;color:var(--muted);font-size:19px;margin:0}
.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.tool-card{display:flex;flex-direction:column;min-height:100%;border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:24px;box-shadow:0 8px 28px rgba(16,33,43,.04)}
.tool-card .tool-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.tool-card h3{font-size:22px;line-height:1.2;margin:0 0 8px}
.tool-card p{color:var(--muted);margin:0 0 16px}
.tool-card .small-link{margin-top:auto;font-weight:850;text-decoration:none}
.tool-status{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;background:#e9f7f3;border:1px solid #c7e6df;color:var(--brand-dark);font-weight:850;font-size:12px}
.tool-feature-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:26px}
.tool-feature{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.tool-feature strong{display:block;font-size:14px}
.tool-feature span{display:block;font-size:13px;color:var(--muted);margin-top:3px}

.calculator-shell{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}
.calc-panel,.results-panel{border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}
.calc-panel{padding:24px}
.results-panel{padding:22px;position:sticky;top:96px}
.calc-section{padding:0 0 24px;margin:0 0 24px;border-bottom:1px solid var(--line)}
.calc-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.calc-section h2,.calc-section h3{margin:0 0 8px}
.calc-section > p{color:var(--muted);margin:0 0 18px}
.calc-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.calc-field label{font-size:13px;font-weight:850}
.calc-field .help{display:block;color:var(--muted);font-size:12px;margin-top:5px;line-height:1.45}
.calc-input-wrap{position:relative}
.calc-input-wrap .prefix,.calc-input-wrap .suffix{position:absolute;top:50%;transform:translateY(-50%);font-size:14px;color:#63767e;pointer-events:none}
.calc-input-wrap .prefix{left:12px}
.calc-input-wrap .suffix{right:12px}
.calc-input-wrap input.has-prefix{padding-left:28px}
.calc-input-wrap input.has-suffix{padding-right:42px}
.calc-input-wrap input,.calc-field select{width:100%;border:1px solid #cbdadd;border-radius:11px;padding:11px 12px;font:inherit;background:#fff;color:var(--ink)}
.calc-input-wrap input:focus,.calc-field select:focus{outline:3px solid rgba(13,111,104,.14);border-color:var(--brand)}
.calc-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.calc-primary-actions{padding-top:2px}
.calc-primary-actions .calc-btn.primary{min-width:220px;padding:12px 18px}
.calc-action-help{margin:8px 0 0!important;color:var(--muted);font-size:12px;line-height:1.45}
.calc-btn{appearance:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:10px 12px;font-weight:800;cursor:pointer}
.calc-btn:hover{border-color:#a9c6c2}
.calc-btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.calc-btn.primary:hover{background:var(--brand-dark)}
.calc-result-kicker{font-size:12px;text-transform:uppercase;letter-spacing:.07em;font-weight:900;color:var(--brand-dark)}
.calc-result-main{font-size:31px;line-height:1.05;letter-spacing:-.035em;font-weight:900;margin:8px 0 6px}
.calc-result-sub{color:var(--muted);font-size:14px;margin-bottom:18px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.metric{border:1px solid var(--line);border-radius:13px;padding:13px;background:#fbfdfd}
.metric span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em;font-weight:850}
.metric strong{display:block;margin-top:4px;font-size:18px}
.cost-bars{margin:18px 0}
.cost-row{margin:12px 0}
.cost-label{display:flex;justify-content:space-between;gap:14px;font-size:13px;font-weight:800;margin-bottom:5px}
.cost-track{height:12px;background:#e9f0f1;border-radius:999px;overflow:hidden}
.cost-fill{height:100%;background:var(--brand);border-radius:999px;transition:width .25s ease}
.cost-fill.alt{background:#82969e}
.calc-note{margin-top:16px;background:var(--soft);border-radius:12px;padding:13px;font-size:13px;color:#36515a}
.calc-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:16px}
.calc-actions .calc-btn{width:100%}
.year-table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.year-table th,.year-table td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:right}
.year-table th:first-child,.year-table td:first-child{text-align:left}
.year-table th{background:#f7fbfa;color:#3e5961}
.formula-box{background:#f7fbfa;border:1px solid var(--line);border-radius:14px;padding:18px;margin:20px 0}
.embed-box{background:#10212b;color:#e6f1f0;border-radius:18px;padding:22px}
.embed-box h3{color:#fff;margin-top:0}
.embed-box p{color:#b9c9cf}
.embed-code{width:100%;min-height:150px;background:#07151d;color:#d8ece9;border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:14px;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;resize:vertical}
.embed-box .calc-btn{margin-top:10px}
.share-toast{position:fixed;right:20px;bottom:20px;z-index:100;background:#10212b;color:#fff;padding:12px 15px;border-radius:11px;box-shadow:var(--shadow);opacity:0;transform:translateY(8px);pointer-events:none;transition:.2s}
.share-toast.show{opacity:1;transform:none}
@media (max-width:980px){
  .calculator-shell{grid-template-columns:1fr}
  .results-panel{position:static}
  .tool-feature-list{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .calc-primary-actions .calc-btn{width:100%}
  .tool-grid{grid-template-columns:1fr}
  .tool-feature-list{grid-template-columns:1fr}
  .calc-grid-2,.metric-grid,.calc-actions{grid-template-columns:1fr}
  .calc-panel,.results-panel{padding:18px}
}
@media print{
  .site-header,.site-footer,.calc-toolbar,.calc-actions,.embed-box,.share-toast{display:none!important}
  .calculator-shell{display:block}
  .results-panel{position:static;box-shadow:none;margin-top:20px}
  .calc-panel{box-shadow:none}
}


/* Additional advanced free calculator components */
.free-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#d8eee8;border:1px solid #b8ddd4;color:var(--brand-dark);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.04em}
.calc-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.calc-grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.calc-field input,.calc-field select{width:100%;border:1px solid #cbdadd;border-radius:11px;padding:11px 12px;font:inherit;background:#fff;color:var(--ink)}
.calc-field input:focus,.calc-field select:focus{outline:3px solid rgba(13,111,104,.14);border-color:var(--brand)}
.calc-check{display:flex;align-items:center;gap:8px;margin-top:9px;font-size:13px}
.calc-check input{width:auto}
.calc-table-wrap{overflow-x:auto;margin-top:16px}
.calc-table{width:100%;border-collapse:collapse;min-width:720px;font-size:13px}
.calc-table th,.calc-table td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:right;vertical-align:middle}
.calc-table th:first-child,.calc-table td:first-child{text-align:left}
.calc-table th{background:#f7fbfa;color:#3d5961;font-weight:850}
.calc-table input,.calc-table select{width:100%;min-width:80px;border:1px solid #cbdadd;border-radius:8px;padding:8px;font:inherit}
.calc-table .tool-name{min-width:150px}
.calc-table .row-actions{white-space:nowrap}
.calc-table button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 8px;cursor:pointer}
.scenario-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}
.scenario{border:1px solid var(--line);border-radius:13px;padding:14px;background:#fbfdfd}
.scenario span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;font-weight:850;letter-spacing:.05em}
.scenario strong{display:block;font-size:20px;margin:4px 0}
.scenario small{color:var(--muted);line-height:1.4}
.upgrade-list{display:grid;gap:10px}
.upgrade-row{display:grid;grid-template-columns:minmax(120px,1.3fr) minmax(95px,.75fr) minmax(120px,.9fr) auto;gap:10px;align-items:end;border:1px solid var(--line);border-radius:12px;padding:12px;background:#fbfdfd}
.stack-controls{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.result-callout{background:linear-gradient(180deg,#edf7f4,#fff);border:1px solid #c8e0db;border-radius:14px;padding:16px;margin-top:14px}
.result-callout strong{font-size:18px}
.kpi-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:18px 0}
.kpi-strip .metric{min-height:82px}
.tool-category{margin-top:34px}
.tool-category:first-child{margin-top:0}
.tool-category .category-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:14px}
.tool-category .category-head h2{margin:0}
.tool-category .category-head p{margin:0;color:var(--muted);max-width:620px}
@media(max-width:980px){
  .calc-grid-3,.calc-grid-4{grid-template-columns:1fr 1fr}
  .scenario-grid{grid-template-columns:1fr}
  .upgrade-row{grid-template-columns:1fr 1fr}
  .kpi-strip{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .calc-grid-3,.calc-grid-4,.upgrade-row,.kpi-strip{grid-template-columns:1fr}
}


/* Related calculators / resources */
.related-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.related-tool{border:1px solid var(--line);background:#fff;border-radius:15px;padding:18px}
.related-tool h3{font-size:18px;margin:0 0 7px}
.related-tool p{font-size:14px;color:var(--muted);margin:0 0 10px}
.related-tool a{font-weight:850;text-decoration:none}
.related-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.related-links a{display:inline-flex;padding:8px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;font-size:13px;font-weight:800}
.mode-switch{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 18px}
.mode-switch button{appearance:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 12px;font-weight:850;cursor:pointer}
.mode-switch button.active{background:var(--brand);border-color:var(--brand);color:#fff}
.calc-hidden{display:none!important}
@media(max-width:900px){.related-tool-grid{grid-template-columns:1fr}}


/* Clean 3-column Free Tools library */
.tool-library-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  align-items:stretch;
}
.tool-library-grid .tool-card{
  display:flex;
  flex-direction:column;
  min-height:310px;
  height:100%;
}
.tool-library-grid .tool-card h3{
  min-height:54px;
}
.tool-library-grid .tool-card p{
  flex:1;
}
.tool-category-label{
  display:inline-block;
  margin:0 0 9px;
  color:var(--brand-dark);
  font-size:12px;
  line-height:1.2;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.045em;
}
.tools-library-heading{
  margin-bottom:24px;
}
@media (max-width:980px){
  .tool-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:680px){
  .tool-library-grid{grid-template-columns:1fr}
  .tool-library-grid .tool-card{min-height:0}
  .tool-library-grid .tool-card h3{min-height:0}
}

/* Calculator usage instructions */
.calc-howto{padding:42px 0 0}
.calc-howto .section-title{margin-bottom:18px}
.howto-steps{list-style:none;counter-reset:howto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0;padding:0}
.howto-steps li{counter-increment:howto;border:1px solid var(--line);background:#fff;border-radius:15px;padding:18px 18px 18px 58px;position:relative;box-shadow:0 8px 24px rgba(16,33,43,.035)}
.howto-steps li::before{content:counter(howto);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:999px;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:900;font-size:14px}
.howto-steps strong{display:block;margin-bottom:5px;color:var(--ink)}
.howto-tip{margin:14px 0 0;padding:14px 16px;border-left:4px solid var(--brand);background:var(--soft);border-radius:0 12px 12px 0}
@media (max-width:760px){.calc-howto{padding-top:30px}.howto-steps{grid-template-columns:1fr}}

/* Research, source and methodology UI */
.freshness-strip{display:flex;flex-wrap:wrap;gap:8px 14px;margin:-8px 0 24px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#f8fbfa;color:var(--muted);font-size:13px}.freshness-strip strong{color:var(--ink)}
.source-note{font-size:14px;color:var(--muted);background:#f8fbfa;border:1px solid var(--line);border-radius:12px;padding:13px 15px;margin:16px 0}.source-note strong{color:var(--ink)}.source-link{font-weight:750}
.decision-table td:first-child{font-weight:800;min-width:160px}.decision-table td:last-child{color:var(--muted)}
.assumption-banner{border:1px solid #c9ddd8;background:#f2f8f6;border-radius:14px;padding:15px 18px;margin:18px 0 24px}.assumption-banner strong{color:var(--ink)}
.research-callout{border:1px solid var(--line);background:#f8fbfa;border-radius:16px;padding:20px;margin:24px 0}.research-callout h3{margin-top:0}
@media(max-width:720px){.freshness-strip{display:grid;gap:6px}.decision-table td:first-child{min-width:130px}}
/* Keep wide comparison tables contained inside review columns on narrow screens. */
.review-grid>.content,.review-grid>.sidebar{min-width:0}
.table-scroll{max-width:100%}

/* IM Review HQ implementation bonus system */
.bonus-offer{margin:38px 0 42px;border:1px solid #83b9ae;border-radius:20px;background:linear-gradient(180deg,#e7f4f0 0%,#f3f9f7 100%);padding:26px;box-shadow:0 12px 34px rgba(16,33,43,.07)}
.bonus-offer-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}
.bonus-offer-mark{flex:0 0 auto;width:48px;height:48px;border-radius:14px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900;font-size:13px;letter-spacing:.04em}
.bonus-offer h2{margin:0 0 7px;font-size:30px;line-height:1.15;letter-spacing:-.03em}
.bonus-offer-head p{margin:0;color:var(--muted)}
.bonus-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px 0}
.bonus-card{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 8px 24px rgba(16,33,43,.04)}
.bonus-card-media{aspect-ratio:16/10;background:#edf5f2;overflow:hidden;border-bottom:1px solid var(--line)}
.bonus-card-media img{width:100%;height:100%;object-fit:cover;object-position:top center}
.bonus-card-body{padding:17px 18px 18px}
.bonus-card-num{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.06em;color:var(--brand-dark)}
.bonus-card h3{margin:5px 0 7px;font-size:19px;line-height:1.23}
.bonus-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.55}
.bonus-offer-actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:20px;align-items:center}
.bonus-claim-steps{margin:20px 0 2px;padding:18px;border:1px solid #c8ddd8;border-radius:16px;background:#f8fcfb}
.bonus-claim-steps-title{font-size:17px;font-weight:900;color:var(--text);margin-bottom:12px}
.bonus-claim-steps-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.bonus-claim-step{display:flex;gap:10px;align-items:flex-start;padding:12px;background:#fff;border:1px solid var(--line);border-radius:12px}
.bonus-claim-step-num{flex:0 0 30px;width:30px;height:30px;border-radius:999px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900}
.bonus-claim-step strong{display:block;font-size:14px;line-height:1.25;margin:1px 0 4px}
.bonus-claim-step p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}
.bonus-qualifier{font-size:13px;color:var(--muted);margin:12px 0 0}
.bonus-claim-box{border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px;margin:24px 0}
.bonus-claim-box .form-row{margin-bottom:14px}
.bonus-claim-box select{width:100%;border:1px solid #cbdadd;border-radius:10px;padding:12px 13px;font:inherit;background:#fff}
.consent-row{display:flex;gap:10px;align-items:flex-start;margin:14px 0 4px;padding:13px;border:1px solid var(--line);border-radius:12px;background:#f8fbfa}
.consent-row input{width:auto;margin-top:4px}
.consent-row label{font-weight:500;margin:0;line-height:1.45}
.vault-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0}
.vault-card{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
.vault-card img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top;border-bottom:1px solid var(--line)}
.vault-card-body{padding:18px}
.vault-card h2{font-size:20px;margin:0 0 7px}
.vault-card p{font-size:15px;color:var(--muted);margin:0 0 14px}
.vault-top{border:1px solid #a9d0c8;background:#f2fbf9;border-radius:18px;padding:22px;margin:22px 0}
@media(max-width:720px){.bonus-grid,.vault-grid,.bonus-claim-steps-grid{grid-template-columns:1fr}.bonus-offer{padding:20px}.bonus-offer h2{font-size:26px}}

/* Secure bonus vault */
.secure-vault-box{max-width:760px;margin:0 auto 34px;padding:28px;border:1px solid #d8e5e2;border-radius:18px;background:#f7fbfa;box-shadow:0 12px 34px rgba(16,47,45,.06)}
.secure-vault-box h2{margin-top:0}.secure-vault-lock{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:#0f766e;margin-bottom:8px}.secure-vault-form{display:grid;gap:12px;margin-top:18px}.secure-vault-form label{font-weight:700}.secure-vault-form input{width:100%;padding:14px 16px;border:1px solid #b8cbc7;border-radius:10px;font:inherit;background:#fff}.secure-vault-form button:disabled{opacity:.65;cursor:wait}.vault-status{min-height:24px;margin:0;font-weight:650;color:#334e4b}.secure-note{font-size:.95rem;color:#526b68}.vault-card .locked-file-note{font-weight:700;color:#0f766e;margin-top:10px}


/* Content Marketing resource center */
.content-resource-center{margin:42px 0 48px}
.article-body .content-resource-center>h2{margin-top:0}
.content-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:24px 0 0}
.article-body .content-guide-grid .post-card{display:flex;flex-direction:column;min-width:0}
.article-body .content-guide-grid .post-card>a{display:block}
.article-body .content-guide-grid .post-card img{display:block;width:100%;aspect-ratio:1200/630;object-fit:cover;margin:0;border:0;border-radius:0}
.article-body .content-guide-grid .post-card-body{display:flex;flex:1;flex-direction:column;padding:20px}
.article-body .content-guide-grid .post-card h3{font-size:20px;line-height:1.25;margin:6px 0 10px}
.article-body .content-guide-grid .post-card p{font-size:15px;line-height:1.55;margin:0 0 14px}
.article-body .content-guide-grid .post-card .small-link{margin-top:auto;font-weight:800}
@media(max-width:720px){.content-guide-grid{grid-template-columns:1fr}}