:root{--bg:#f5f7fb;--surface:#fff;--ink:#182238;--muted:#667085;--line:#e5e9f2;--primary:#5946d8;--primary-dark:#4433b5;--soft:#eeebff;--radius:20px;--shadow:0 10px 35px rgba(24,34,56,.055)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}a{color:inherit}.site-header{height:76px;padding:0 max(5vw,20px);display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.brand{display:inline-flex;gap:10px;align-items:center;text-decoration:none;font-size:19px;font-weight:800;letter-spacing:-.5px}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--primary);color:#fff;font-size:24px}.site-header nav{display:flex;gap:30px}.site-header nav a,.footer-links a{font-size:13px;color:var(--muted);text-decoration:none;font-weight:650}.site-header nav a:hover,.footer-links a:hover{color:var(--primary)}main{max-width:1120px;margin:auto;padding:0 24px}.hero{text-align:center;padding:78px 0 48px}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:800;color:var(--primary);margin:0 0 10px}.hero h1{font-size:clamp(36px,5.4vw,58px);letter-spacing:-2.5px;line-height:1.08;max-width:760px;margin:0 auto 18px}.hero h1 span{color:var(--primary)}.hero-copy{max-width:590px;margin:0 auto;color:var(--muted);font-size:16px}.search-wrap{display:flex;align-items:center;gap:12px;max-width:520px;margin:30px auto 17px;padding:0 15px;height:54px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:var(--shadow);color:var(--muted)}.search-wrap>span{font-size:24px}.search-wrap input{border:0;outline:0;min-width:0;flex:1;background:transparent;font:inherit;font-size:14px;color:var(--ink)}kbd{padding:3px 7px;border:1px solid var(--line);border-radius:6px;background:#f8f9fc;font-size:11px}.trust-row{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:12px}.trust-row span:first-letter{color:#16875d}.ad-slot{background:#f0f2f7;border:1px dashed #cbd2e1;border-radius:12px;min-height:94px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:#8a93a5}.ad-label{font-size:9px;letter-spacing:1.4px;font-weight:800}.ad-placeholder{font-size:12px;text-align:center;padding:0 10px}.ad-top{margin:0 0 56px}.tools-section{padding-bottom:38px}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:20px}.section-heading h2,.workspace-intro h2,.content-section h2,.about-section h2{font-size:clamp(25px,3vw,32px);letter-spacing:-1px;line-height:1.2;margin:0}.tool-count{font-size:12px;color:var(--muted);padding:6px 10px;border:1px solid var(--line);border-radius:30px;background:#fff}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.tool-card{display:flex;align-items:center;gap:13px;text-align:left;padding:18px 16px;border:1px solid var(--line);border-radius:16px;background:var(--surface);cursor:pointer;min-width:0;color:var(--ink);font:inherit;transition:transform .18s,border-color .18s,box-shadow .18s}.tool-card:hover{transform:translateY(-2px);border-color:#c9c1ff;box-shadow:var(--shadow)}.tool-card.active{border-color:var(--primary);box-shadow:0 0 0 2px rgba(89,70,216,.09)}.tool-icon{width:42px;height:42px;flex:none;border-radius:13px;display:grid;place-items:center;font-size:23px;font-weight:750}.violet{background:#eeebff;color:#5946d8}.blue{background:#e7f2ff;color:#2472d5}.orange{background:#fff0df;color:#bc6b14}.green{background:#e2f8ee;color:#14835a}.pink{background:#ffe9f2;color:#c63d7b}.teal{background:#def7f5;color:#16857f}.tool-card strong,.tool-card small{display:block}.tool-card strong{font-size:13px;line-height:1.35}.tool-card small{font-size:11px;color:var(--muted);margin-top:4px}.arrow{margin-left:auto;color:#9ba3b2}.no-results{padding:20px;text-align:center;color:var(--muted)}.workspace{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start;margin:25px 0 40px;padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.workspace-intro{padding-top:8px}.workspace-intro p:last-child{color:var(--muted);font-size:14px;max-width:320px}.calculator-panel{min-width:0;background:#f8f9fd;border:1px solid var(--line);border-radius:16px;padding:20px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:12px;font-weight:700;color:#475467}.field input,.field select{width:100%;min-height:44px;padding:10px 12px;border:1px solid #dce1eb;border-radius:10px;background:#fff;color:var(--ink);font:inherit;font-size:14px;outline-color:var(--primary)}.fields-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.btn{border:0;border-radius:10px;background:var(--primary);color:white;font:inherit;font-size:13px;font-weight:750;padding:12px 16px;cursor:pointer}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:#eceef5;color:#39445a}.btn-row{display:flex;gap:9px;flex-wrap:wrap}.result{margin-top:16px;padding:15px;border:1px solid #d9d3ff;border-radius:12px;background:#f0eeff;overflow-wrap:anywhere}.result-label{display:block;color:#6354b7;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.8px}.result-value{display:block;color:#2d237f;font-size:25px;font-weight:850;letter-spacing:-.7px;margin-top:2px}.result-note{display:block;color:#5e5b79;font-size:12px;margin-top:5px}.calc-display{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:14px;text-align:right;font-size:28px;font-weight:750;margin-bottom:12px;overflow:hidden;min-height:62px;overflow-wrap:anywhere}.keypad{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.keypad button{border:1px solid var(--line);background:#fff;border-radius:9px;min-height:44px;font:inherit;font-weight:700;cursor:pointer;color:var(--ink)}.keypad button.operator{background:#eeebff;color:var(--primary)}.keypad button.equals{background:var(--primary);color:white}.content-section{padding:42px 0 52px}.content-section>h2{margin-bottom:25px}.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.benefit-grid article{padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px}.benefit-icon{display:grid;place-items:center;width:36px;height:36px;background:var(--soft);border-radius:10px;color:var(--primary);font-size:12px;font-weight:850}.benefit-grid h3{font-size:15px;margin:15px 0 6px}.benefit-grid p,.about-section>p{font-size:13px;color:var(--muted);margin:0}.about-section{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:32px 0 58px;border-top:1px solid var(--line)}.site-footer{padding:28px 24px 34px;border-top:1px solid var(--line);background:#fff;text-align:center}.footer-brand{font-size:16px}.footer-brand .brand-mark{width:30px;height:30px;font-size:20px}.site-footer>p{font-size:12px;color:var(--muted);margin:7px 0 15px}.footer-links{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:18px}.site-footer>small{font-size:11px;color:#8a93a5}.page-shell{max-width:800px;margin:50px auto;padding:0 24px}.page-shell h1{font-size:36px;letter-spacing:-1px}.page-shell h2{font-size:20px;margin-top:28px}.page-shell p,.page-shell li{color:#525e72;font-size:15px}.page-shell a{color:var(--primary)}.page-shell .back-link{display:inline-block;margin-top:22px}.contact-form{max-width:540px}.contact-form .field textarea{width:100%;min-height:120px;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit}
@media(max-width:760px){.site-header{height:66px;padding:0 18px}.site-header nav{gap:14px}.site-header nav a{font-size:12px}.brand{font-size:16px}.brand-mark{width:32px;height:32px}.hero{padding:58px 0 38px}.hero h1{letter-spacing:-1.5px}.hero-copy{font-size:14px}.trust-row{gap:10px;font-size:11px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tool-card{padding:13px 11px;gap:9px}.tool-icon{width:36px;height:36px;border-radius:11px}.tool-card strong{font-size:12px}.tool-card small{font-size:10px}.arrow{display:none}.workspace{grid-template-columns:1fr;gap:12px;padding:20px}.workspace-intro p:last-child{max-width:none}.benefit-grid{grid-template-columns:1fr;gap:12px}.benefit-grid article{padding:18px}.about-section{grid-template-columns:1fr;gap:15px}.ad-top{margin-bottom:40px}}
@media(max-width:390px){main{padding:0 15px}.site-header nav{gap:10px}.site-header nav a{font-size:11px}.brand{font-size:14px}.tool-grid{grid-template-columns:1fr}.tool-card{padding:13px}.fields-row{grid-template-columns:1fr}.calculator-panel{padding:14px}.hero h1{font-size:34px}}


/* SEO landing pages and internal guide links */
.seo-app-support { display: none !important; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: .45rem; margin: 0 0 1.25rem; color: #65708a; font-size: .9rem; }
.breadcrumb a, .guide-link-list a { color: #4f46e5; text-underline-offset: .18em; }
.seo-page { max-width: 980px; }
.seo-lead { max-width: 760px; font-size: 1.12rem; line-height: 1.75; color: #46516a; }
.seo-workspace { margin-top: 1.5rem; }
.seo-article { max-width: 780px; margin: 3rem auto; line-height: 1.8; }
.seo-article h2 { margin-top: 2rem; }
.seo-article p { color: #46516a; }
.seo-links { margin-top: 2rem; }
.guide-link-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .65rem 1.5rem; padding-left: 1.25rem; }
@media (max-width: 640px) { .seo-lead { font-size: 1rem; } .guide-link-list { grid-template-columns: 1fr; } }