:root{--navy:#0b1f3a;--navy2:#071426;--blue:#2563eb;--blue2:#1746b3;--cyan:#0891b2;--accent:#14b8a6;--gold:#f59e0b;--bg:#f5f7fb;--paper:#ffffff;--ink:#172033;--muted:#64748b;--line:#dbe3ef;--soft:#eef4ff;--ok:#0f8a5f;--warn:#a16207;--danger:#b42318;--shadow:0 12px 34px rgba(15,35,65,.10);--shadow-soft:0 5px 18px rgba(15,35,65,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Times New Roman",Times,serif;font-size:16px;line-height:1.55;-webkit-user-select:none;user-select:none}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:"Times New Roman",Times,serif}input,textarea,select,.result,.copy-allowed,pre,code,.copy-zone{-webkit-user-select:text;user-select:text}.wrap{width:min(1220px,94%);margin:0 auto}.top{background:linear-gradient(90deg,var(--navy2),#0d2a4d);color:#dbeafe;border-bottom:1px solid rgba(255,255,255,.08);font-size:13px}.topin{display:flex;justify-content:space-between;align-items:center;min-height:31px}.topright{color:#aab9ce}.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(15,35,65,.06)}.navin{min-height:66px;display:flex;align-items:center;gap:24px}.logo{font-size:23px;font-weight:700;letter-spacing:-.35px;color:var(--blue);white-space:nowrap}.logo span{color:var(--navy)}.navlinks{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:15px}.navlinks>a{color:#344054}.navlinks>a:hover{color:var(--blue)}.toolsMenuButton,.mobileMenuBtn{border:0;background:transparent;color:var(--navy);font:inherit;font-weight:700;cursor:pointer;padding:8px 2px}.mobileMenuBtn{display:none;border:1px solid var(--line);padding:8px 13px;border-radius:4px}.global-search{position:relative;width:260px}.global-search input,.heroSearch input,.categorySearch input{width:100%;border:1px solid #cfd6e0;background:#fff;border-radius:4px;padding:11px 13px;font-size:15px;outline:none}.global-search input:focus,.heroSearch input:focus,.categorySearch input:focus,.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(29,79,145,.1)}.searchResults{position:absolute;top:calc(100% + 7px);left:0;right:0;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);max-height:430px;overflow:auto;z-index:150;border-radius:4px}.searchResults a{display:block;padding:10px 12px;border-bottom:1px solid #edf0f4}.searchResults a:last-child{border-bottom:0}.searchResults strong{display:block;color:var(--navy)}.searchResults span{display:block;color:var(--muted);font-size:12px}.searchResults a:hover{background:#f6f8fb}.megaMenu{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(18,35,63,.08)}.megaGrid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;padding:14px 0 20px}.megaGrid a{padding:13px 16px;border-right:1px solid #edf0f4;border-bottom:1px solid #edf0f4}.megaGrid a:hover{background:#f7f9fc}.megaGrid strong{display:block;color:var(--navy);font-size:15px}.megaGrid span{font-size:12px;color:var(--muted)}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 88% 16%,rgba(20,184,166,.12),transparent 28%),radial-gradient(circle at 12% 8%,rgba(37,99,235,.12),transparent 30%),linear-gradient(180deg,#f7faff 0,#eef4fb 100%);border-bottom:1px solid var(--line);padding:64px 0 54px}.hero:after{content:"";position:absolute;inset:auto -12% -105px 45%;height:190px;background:linear-gradient(90deg,rgba(37,99,235,.05),rgba(20,184,166,.08));transform:skewY(-4deg);pointer-events:none}.heroSolo{position:relative;z-index:1;max-width:1060px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:1.25px;color:var(--blue)}.eyebrow:before{content:"";width:24px;height:2px;background:linear-gradient(90deg,var(--blue),var(--accent));display:inline-block}.hero h1{font-size:54px;line-height:1.04;letter-spacing:-1.6px;margin:12px auto 17px;color:var(--navy);max-width:930px}.heroLead{font-size:19px;color:#52657d;max-width:900px!important;margin:0 auto!important}.heroSearch{display:flex;gap:10px;margin:28px auto 0;max-width:820px;position:relative}.heroSearch input{padding:15px 16px;border-radius:8px;box-shadow:var(--shadow-soft)}.btn{border:1px solid var(--blue);background:linear-gradient(135deg,var(--blue),#1d4ed8);color:#fff;padding:11px 18px;border-radius:7px;font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;box-shadow:0 6px 14px rgba(37,99,235,.16);transition:.18s ease}.btn:hover{background:linear-gradient(135deg,var(--blue2),#163da0);border-color:var(--blue2);transform:translateY(-1px)}.btn.secondary{background:#fff;color:var(--blue);box-shadow:none}.btn.dark{display:inline-block;background:var(--navy);border-color:var(--navy);margin-top:10px}.heroResults{position:relative;top:auto;max-width:820px;margin:4px auto 0;text-align:left}.heroHighlights{display:flex;justify-content:center;gap:10px 20px;flex-wrap:wrap;margin-top:23px;color:#52657d;font-size:13px}.heroHighlights span{background:rgba(255,255,255,.72);border:1px solid rgba(190,204,223,.8);padding:7px 11px;border-radius:999px}.heroHighlights b{color:var(--navy)}
.serviceStrip{background:#fff;border-bottom:1px solid var(--line)}.serviceGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.serviceGrid>div{padding:24px 24px 22px;border-right:1px solid var(--line)}.serviceGrid>div:last-child{border-right:0}.serviceIcon{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--accent));color:#fff;font-size:12px;font-weight:700;box-shadow:0 5px 12px rgba(37,99,235,.14)}.serviceGrid h2{font-size:18px;margin:10px 0 5px;color:var(--navy)}.serviceGrid p{font-size:13px;color:var(--muted);margin:0;line-height:1.45}.homeSection{padding:46px 0}.homeSection+.homeSection{border-top:1px solid var(--line)}.sectionTitle{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}.sectionTitle h2{font-size:31px;margin:4px 0 0;color:var(--navy)}.sectionTitle p{margin:6px 0 0;color:var(--muted)}.sectionTitle>a{color:var(--blue);font-weight:700}.featuredGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.featureCard{background:linear-gradient(180deg,#fff,#fbfdff);border:1px solid var(--line);border-top:3px solid var(--blue);padding:18px 19px;min-height:185px;box-shadow:var(--shadow-soft)}.featureCard:hover,.categoryCard:hover,.card:hover{box-shadow:var(--shadow);border-color:#bfc9d7}.featureCard>span{font-size:12px;color:var(--blue);font-weight:700}.featureCard h3{font-size:20px;margin:8px 0;color:var(--navy)}.featureCard p{font-size:14px;color:var(--muted);margin:0 0 14px}.featureCard b{color:var(--blue);font-size:13px}.categoriesSection{background:#fff}.categoryGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.categoryCard{display:grid;grid-template-columns:48px 1fr;gap:14px;border:1px solid var(--line);background:#fff;padding:18px;scroll-margin-top:88px}.categoryCode{width:46px;height:46px;display:grid;place-items:center;background:linear-gradient(135deg,#edf4ff,#e9fbf8);border:1px solid #cfe0f6;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.8px}.categoryCard h3{font-size:20px;margin:0;color:var(--navy)}.categoryCard p{font-size:13px;color:var(--muted);margin:5px 0 11px}.categoryMeta{display:flex;justify-content:space-between;gap:12px;font-size:12px}.categoryMeta span{color:var(--muted)}.categoryMeta a{color:var(--blue);font-weight:700}
.categoryHead,.toolhead{background:#eef2f7;border-bottom:1px solid var(--line);padding:34px 0}.categoryHead h1,.toolhead h1{font-size:38px;line-height:1.08;margin:5px 0 8px;color:var(--navy)}.categoryHead p,.toolhead .lead{max-width:780px;color:var(--muted);margin:0}.breadcrumbs{font-size:13px;color:#65758b;margin-bottom:12px}.breadcrumbs a{color:var(--blue)}.categorySearch{max-width:560px;margin-top:20px}.categoryPage{padding-top:30px;padding-bottom:46px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{background:#fff;border:1px solid var(--line);padding:18px;display:block}.card h2,.card h3{font-size:19px;color:var(--navy);margin:9px 0 6px}.card p{font-size:14px;color:var(--muted);margin:0 0 12px}.card b{color:var(--blue);font-size:13px}.badge{display:inline-block;background:#edf3fa;border:1px solid #d6e1ef;color:var(--blue);padding:3px 7px;font-size:11px;font-weight:700}.layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:22px;align-items:start;padding-top:26px}.toolbox{background:#fff;border:1px solid var(--line);border-top:4px solid var(--blue);padding:22px;box-shadow:var(--shadow)}.toolbox h2{margin-top:0;color:var(--navy);font-size:24px}.field{margin-bottom:13px}.field label{display:block;font-size:14px;font-weight:700;color:#26364d;margin-bottom:5px}.field input,.field select,.field textarea{width:100%;border:1px solid #cbd2dc;border-radius:3px;padding:10px 11px;font-size:15px;background:#fff;color:#172033}.field textarea{min-height:205px;line-height:1.45}.compact-field{max-width:320px}.row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.result{margin-top:16px;background:linear-gradient(180deg,#f4f8ff,#f8fbff);border-left:4px solid var(--blue);border-top:1px solid #dbe3ee;border-right:1px solid #dbe3ee;border-bottom:1px solid #dbe3ee;padding:15px;white-space:pre-wrap;word-break:break-word;min-height:55px}.result strong{font-size:19px}.content,.sideCard{margin-top:22px;background:#fff;border:1px solid var(--line);padding:21px}.content h2{font-size:24px;color:var(--navy);margin-top:0}.content h3{font-size:19px;color:var(--navy);margin-top:23px}.related{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.related a{border:1px solid var(--line);padding:9px 10px;color:var(--blue);font-size:14px}.sideCard{margin-top:0;margin-bottom:16px}.sideCard h3{margin:6px 0;color:var(--navy)}.sideCard p{font-size:13px;color:var(--muted)}.sideCard>a{font-size:13px;color:var(--blue);font-weight:700}.securityCard{border-top:3px solid var(--ok)}.small{font-size:13px;color:var(--muted)}.notice{padding:12px 14px;background:#fff8e6;border:1px solid #efd28f;border-left:4px solid var(--warn);color:#725100;font-size:14px;margin:12px 0}.privacy-panel{background:#edf8f3;border:1px solid #bddfce;border-left:4px solid var(--ok);padding:13px 14px;color:#175c45}.privacy-panel p{margin:5px 0 0;font-size:13px}.file-input{border-style:dashed!important;background:#fbfcfe!important}.document-form{margin-top:18px}.document-note{margin-top:13px}.checklist{display:grid;gap:7px;margin:15px 0}.checkitem{display:flex;gap:9px;align-items:flex-start;padding:9px 10px;border:1px solid var(--line);background:#fafbfc;cursor:pointer}.checkitem input{width:auto;margin-top:5px}.score{font-size:46px;font-weight:700}.good{color:var(--ok)}.warn{color:var(--warn)}pre.preview{background:#111a2b;color:#e9eef5;padding:13px;overflow:auto}.managed-ad{width:100%;margin:20px auto;text-align:center;overflow:hidden;min-height:0}.managed-ad ins.adsbygoogle{display:block}.layout aside .managed-ad{margin-top:0;margin-bottom:20px}.managed-ad-home-after-hero,.managed-ad-home-mid-categories,.managed-ad-footer{max-width:1220px;padding-left:20px;padding-right:20px}
.footer{margin-top:52px;background:linear-gradient(135deg,var(--navy2),#0c2d51);color:#cbd7e7;border-top:4px solid transparent;border-image:linear-gradient(90deg,var(--blue),var(--accent),var(--gold)) 1;padding:38px 0 18px}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}.footer h3{color:#fff;font-size:18px;margin-top:0}.footer p{font-size:14px}.footer a:hover{color:#fff}.footnote{border-top:1px solid rgba(255,255,255,.1);padding-top:15px;margin-top:18px;font-size:12px;color:#8fa0b5}
@media(max-width:1040px){.navlinks>a{display:none}.megaGrid{grid-template-columns:repeat(3,1fr)}.serviceGrid{grid-template-columns:repeat(2,1fr)}.serviceGrid>div:nth-child(2){border-right:0}.serviceGrid>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.featuredGrid,.categoryGrid,.grid{grid-template-columns:repeat(2,1fr)}.layout{grid-template-columns:1fr}.layout aside{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.layout aside .sideCard{margin:0}.global-search{width:230px}}
@media(max-width:720px){.topright{display:none}.navin{gap:12px}.navlinks{display:none}.mobileMenuBtn{display:block;margin-left:auto}.global-search{width:min(44vw,230px)}.hero{padding:40px 0 36px}.hero h1{font-size:40px}.heroSearch{flex-direction:column}.trustRow{gap:9px}.trustRow span{border-right:0;padding-right:0;width:48%}.megaGrid{grid-template-columns:1fr 1fr}.featuredGrid,.categoryGrid,.grid,.row,.related,.footergrid,.layout aside{grid-template-columns:1fr}.sectionTitle{align-items:flex-start;flex-direction:column}.categoryHead h1,.toolhead h1{font-size:31px}.toolbox{padding:16px}}
@media(max-width:460px){.logo{font-size:19px}.global-search{display:none}.megaGrid{grid-template-columns:1fr}.hero h1{font-size:33px}.categoryCard{grid-template-columns:1fr}.categoryCode{width:42px;height:42px}}
/* Expanded tool families */
.previewFrame{width:100%;min-height:360px;border:1px solid var(--line);background:#fff;margin-top:14px}.canvasPreview{display:block;max-width:100%;height:auto;border:1px solid var(--line);background:#fff;margin-top:14px}.svgPreview,.equationPreview,.responsiveBox,.wordCloud{margin-top:14px;padding:16px;border:1px solid var(--line);background:#fff;overflow:auto}.responsiveBox iframe{display:block;max-width:100%;border:8px solid var(--navy);background:#fff;margin:auto}.timerDisplay{font-size:38px;font-weight:700;color:var(--navy);padding:16px 0;font-variant-numeric:tabular-nums}.quizPrompt{font-size:20px;font-weight:700;color:var(--navy);margin-bottom:14px}.connectGrid{display:grid;grid-template-columns:repeat(7,minmax(34px,58px));gap:5px;max-width:450px;margin:12px 0}.connectCell{aspect-ratio:1;border:1px solid #9eabbc;border-radius:50%;background:#fff;cursor:pointer}.connectCell.p1{background:#b58a3b}.connectCell.p2{background:#1d4f91}.sudokuGrid{display:grid;grid-template-columns:repeat(9,minmax(28px,44px));max-width:400px;border:2px solid var(--navy);margin:12px 0}.sudokuGrid input{width:100%;aspect-ratio:1;text-align:center;border:1px solid #cbd2dc;font-size:17px;padding:2px}.mineGrid{display:grid;gap:3px;max-width:430px;margin:12px 0}.mineGrid button{aspect-ratio:1;min-width:30px;border:1px solid #bac3cf;background:#eef2f7;cursor:pointer}.sliderGrid{display:grid;grid-template-columns:repeat(3,80px);gap:4px}.sliderGrid button{width:80px;height:80px;font-size:24px;border:1px solid var(--line);background:#fff}.kanbanGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.kanbanGrid section{background:#f8fafc;border:1px solid var(--line);padding:12px;min-height:220px}.kanCard{padding:10px;background:#fff;border:1px solid var(--line);margin-bottom:8px}.kanCard div{margin-top:8px}.kanCard button{margin-right:4px}.gantt>div{position:relative;min-height:42px;border-bottom:1px solid #edf0f4;padding-top:4px}.gantt>div b{display:block;font-size:13px}.gantt>div span{position:relative;display:block;height:12px;background:var(--blue);margin-top:5px}.tableWrap{width:100%;overflow:auto}.toolTable{width:100%;border-collapse:collapse;background:#fff}.toolTable th,.toolTable td{border:1px solid var(--line);padding:8px;text-align:left}.wire{border:2px solid var(--navy);background:#fff;max-width:680px}.wire header,.wire section{padding:20px;border-bottom:1px solid var(--line);text-align:center}.wire header{background:#eef2f7;font-weight:700}.fontPairs{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.fontPairs>div{border:1px solid var(--line);padding:15px;background:#fff}.palette{display:grid;grid-template-columns:repeat(6,1fr);margin-top:14px}.palette button{min-height:78px;border:0;font-size:12px}.iconGrid{display:grid;grid-template-columns:repeat(8,1fr);gap:6px}.iconGrid button{font-size:26px;padding:12px;background:#fff;border:1px solid var(--line)}.businessCard{max-width:520px;padding:28px;background:var(--navy);color:#fff;border-left:7px solid var(--gold)}.businessCard h2{color:#fff}.leadSheet pre{font-family:"Times New Roman",Times,serif;white-space:pre-wrap}.printDoc,.menuPrint,.certificate{background:#fff;border:1px solid var(--line);padding:28px}.menuPrint p{display:flex;justify-content:space-between;border-bottom:1px dotted #aaa}.certificate{text-align:center;border:8px double var(--navy);padding:45px 30px}.certificate h2{font-size:34px;color:var(--navy)}.signatureCanvas{width:100%;height:auto;touch-action:none;border:1px solid var(--line);background:#fff}.jigsawGrid{display:grid;grid-template-columns:repeat(3,150px);grid-auto-rows:150px;gap:3px;max-width:456px;overflow:auto}.jigsawGrid div{background-size:450px 450px;border:1px solid #fff}.maze{display:grid;width:max-content;max-width:100%;overflow:auto;background:#fff;padding:5px}.maze i{width:14px;height:14px;display:block}.videoPreview{display:block;width:100%;max-width:760px;background:#111;margin-top:14px}.tabButtons{display:flex;gap:6px;flex-wrap:wrap}.wordCloud{line-height:1.3;text-align:center}.wordCloud span{display:inline-block;margin:5px}.managed-ad img{max-width:100%;height:auto}
@media(max-width:900px){.megaGrid{grid-template-columns:repeat(2,1fr)}.kanbanGrid{grid-template-columns:1fr}.fontPairs{grid-template-columns:1fr}.palette{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){body{font-size:15px}.wrap{width:min(96%,1220px)}.navin{min-height:58px}.hero{padding:32px 0 28px}.hero h1{font-size:34px;letter-spacing:-.7px}.heroLead{font-size:16px!important}.serviceGrid{grid-template-columns:1fr}.serviceGrid>div{border-right:0;border-bottom:1px solid var(--line)}.serviceGrid>div:last-child{border-bottom:0}.categoryGrid,.featuredGrid,.grid{grid-template-columns:1fr}.megaGrid{grid-template-columns:1fr;max-height:70vh;overflow:auto}.connectGrid{grid-template-columns:repeat(7,minmax(30px,1fr));width:100%}.sliderGrid{grid-template-columns:repeat(3,minmax(70px,1fr));width:100%}.sliderGrid button{width:100%;height:auto;aspect-ratio:1}.sudokuGrid{width:100%}.iconGrid{grid-template-columns:repeat(5,1fr)}.jigsawGrid{grid-template-columns:repeat(3,100px);grid-auto-rows:100px}.jigsawGrid div{background-size:300px 300px}.field textarea{min-height:160px}.btn{min-height:42px}.topin{min-height:28px}}
/* Expanded catalog navigation safeguards */
.megaMenu{max-height:min(72vh,680px);overflow:auto;overscroll-behavior:contain}
.megaGrid{align-items:stretch}
@media (max-width:900px){.megaMenu{max-height:78vh}.megaGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.megaGrid{grid-template-columns:1fr}.categoryGrid,.featuredGrid,.serviceGrid{grid-template-columns:1fr}.heroHighlights{gap:8px}.heroHighlights span{width:100%}}