:root{
  --blue:#2563EB; --blue-dark:#1D4ED8; --blue-soft:#EFF6FF;
  --green:#15803D; --green-soft:#DCFCE7;
  --ink:#1E293B; --muted:#475569; --line:#E2E8F0; --bg:#F8FAFC; --white:#FFFFFF;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Poppins','Noto Sans Devanagari',sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--blue-dark)}
button,input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
:focus-visible{outline:3px solid #93C5FD;outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:50}
.skip:focus{left:8px;top:8px}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}

header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.bar{max-width:1200px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);text-decoration:none}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--blue);display:flex;align-items:center;justify-content:center}
.hright{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.nav{display:none;gap:16px;margin-right:6px}
.nav a{color:var(--ink);text-decoration:none;font-size:14px;font-weight:500}
@media(min-width:760px){.nav{display:flex}}
.lang{display:flex;border:1px solid #CBD5E1;border-radius:10px;overflow:hidden}
.lang a,.lang span{padding:0 12px;min-height:40px;display:inline-flex;align-items:center;font-weight:500;text-decoration:none;color:var(--ink);font-size:14px}
.lang .on{background:var(--blue);color:#fff;font-weight:600}
#authArea{display:flex;align-items:center;gap:8px}

.hero{max-width:1200px;margin:0 auto;padding:28px 16px 6px}
.hero h1{margin:0 0 8px;font-size:27px;line-height:1.25;color:#0F172A}
.hero p{margin:0;color:var(--muted);max-width:720px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding:0;list-style:none}
.chips li{background:var(--green-soft);color:#14532D;font-weight:600;font-size:13px;padding:5px 12px;border-radius:999px}
@media(min-width:960px){.hero h1{font-size:38px}}

main.tool{max-width:1200px;margin:0 auto;padding:16px;display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
@media(min-width:960px){main.tool{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}}

.card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:20px}
.card h2{margin:0 0 14px;font-size:18px}
fieldset{border:0;padding:0;margin:0;min-width:0}
fieldset:disabled input,fieldset:disabled select,fieldset:disabled textarea{background:#F1F5F9;color:#475569}
.grid2{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
@media(min-width:560px){.grid2{grid-template-columns:repeat(2,minmax(0,1fr))}}
.f{display:flex;flex-direction:column;gap:5px}
.f label{font-size:13px;font-weight:600;color:#334155}
.f input,.f select,.f textarea{min-height:44px;padding:8px 12px;border:1px solid #CBD5E1;border-radius:10px;background:#fff;width:100%}
.f textarea{min-height:64px;resize:vertical}
.f small{color:#64748B;font-size:12px}
.sect{margin:18px 0 8px;font-weight:600;font-size:14px;color:var(--blue-dark)}
.logo-row{display:flex;align-items:center;gap:12px}
.logo-box{width:64px;height:64px;border-radius:12px;background:var(--blue-soft);border:1px dashed #93C5FD;display:flex;align-items:center;justify-content:center;overflow:hidden;font-size:12px;font-weight:600;color:var(--blue-dark)}
.logo-box img{max-width:100%;max-height:100%;object-fit:contain}
.btn{min-height:46px;padding:0 18px;border-radius:10px;border:1px solid #CBD5E1;background:#fff;font-weight:600;cursor:pointer}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn.small{min-height:40px;padding:0 14px;font-size:14px;text-decoration:none;display:inline-flex;align-items:center;color:var(--ink)}
.btn.blue{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.green{background:var(--green);border-color:var(--green);color:#fff}
.btn.link{border:0;background:transparent;color:var(--blue-dark);padding:0 4px;min-height:40px}
.btn.big{min-height:52px;font-size:16px;width:100%}
.chk{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted);margin-top:14px}
.chk input{margin-top:3px;width:18px;height:18px}

.item{border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px;background:#FCFDFE}
.item-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}
.item-grid .name{grid-column:span 6}
.item-grid .hsn,.item-grid .qty,.item-grid .rate,.item-grid .gst{grid-column:span 3}
@media(min-width:560px){.item-grid{grid-template-columns:repeat(8,minmax(0,1fr))}.item-grid .name{grid-column:span 8}.item-grid .hsn,.item-grid .qty,.item-grid .rate,.item-grid .gst{grid-column:span 2}}
.item-grid input,.item-grid select{min-height:42px;padding:6px 10px;border:1px solid #CBD5E1;border-radius:10px;width:100%;background:#fff}
.item-grid .cap{font-size:11px;color:var(--muted);margin-bottom:2px}
.item-foot{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:13px;color:var(--muted)}

.ad{margin:16px 0 0;min-height:100px;border:1px dashed #CBD5E1;border-radius:12px;background:#F1F5F9;display:flex;align-items:center;justify-content:center;color:#64748B;font-size:12px;text-align:center;padding:8px}
.preview-wrap{display:flex;flex-direction:column;gap:12px}
@media(min-width:960px){.preview-wrap{position:sticky;top:76px}}
.tag{font-size:13px;color:var(--muted);margin:0 2px}
.actions{display:flex;flex-direction:column;gap:10px}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.done{background:var(--green-soft);border:1px solid #86EFAC;border-radius:12px;padding:12px 14px;color:#14532D;font-size:14px;word-break:break-all}
.done b{font-size:16px}

dialog{border:0;border-radius:16px;padding:0;max-width:400px;width:calc(100% - 32px);box-shadow:0 20px 50px rgba(15,23,42,.3)}
dialog::backdrop{background:rgba(15,23,42,.5)}
.dlg{padding:22px;display:flex;flex-direction:column;gap:12px}
.dlg h3{margin:0;font-size:20px}
.dlg p{margin:0;color:var(--muted);font-size:14px}
.or{display:flex;align-items:center;gap:10px;color:#64748B;font-size:13px}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.msg{font-size:14px;min-height:20px}
.msg.err{color:#B91C1C}.msg.ok{color:#15803D}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:#0F172A;color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:20;max-width:90%;text-align:center}
.toast.show{opacity:1}

/* ---------- SEO content sections ---------- */
.sec{max-width:1200px;margin:0 auto;padding:36px 16px 8px}
.sec h2{font-size:24px;line-height:1.3;margin:0 0 8px;color:#0F172A}
.sec .lead{color:var(--muted);margin:0 0 20px;max-width:760px}
.feat{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;padding:0;margin:0;list-style:none}
@media(min-width:620px){.feat{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:960px){.feat{grid-template-columns:repeat(3,minmax(0,1fr))}}
.feat li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.feat h3{margin:0 0 4px;font-size:16px}
.feat p{margin:0;color:var(--muted);font-size:14px}
.feat li.soon{border-style:dashed;background:#F8FAFC}
.steps{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;padding:0;margin:0;list-style:none;counter-reset:s}
@media(min-width:760px){.steps{grid-template-columns:repeat(3,minmax(0,1fr))}}
.steps li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 16px 16px 56px;position:relative;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;left:14px;top:14px;width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
.steps h3{margin:0 0 4px;font-size:16px}.steps p{margin:0;color:var(--muted);font-size:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:0 16px}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--blue-dark);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 14px;color:var(--muted)}
.links{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0;list-style:none}
.links a{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;text-decoration:none;font-size:14px;font-weight:500}
footer.site{max-width:1200px;margin:24px auto 40px;padding:20px 16px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
footer.site nav{display:flex;flex-wrap:wrap;gap:6px 18px;margin-bottom:8px}

@media print{
  body{background:#fff}
  header,.hero,#formCol,.actions,.tag,.ad,footer,.toast,dialog,.done,.sec,.skip,noscript{display:none!important}
  body.nosave #invoice{display:none!important}
  main.tool{display:block;padding:0;max-width:none}
  .preview-wrap{position:static}
  #invoice{border:0;box-shadow:none;border-radius:0;padding:0}
  @page{size:A4;margin:14mm}
}
.row2:has(> [hidden]){grid-template-columns:minmax(0,1fr)}

/* ---------- header: logo + login + menu ---------- */
[id]{scroll-margin-top:76px}
.brand{min-width:0;white-space:nowrap}
.hright{flex-shrink:0;flex-wrap:nowrap}
.menu-btn{width:44px;height:44px;border:1px solid #CBD5E1;border-radius:10px;background:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0}
.menu{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 28px rgba(15,23,42,.14);max-height:calc(100vh - 64px);overflow:auto}
.menu-in{max-width:1200px;margin:0 auto;padding:6px 16px 16px;display:flex;flex-direction:column}
@media(min-width:760px){.menu{left:auto;right:16px;width:320px;top:calc(100% + 6px);border:1px solid var(--line);border-radius:14px}}
.m-h{font-size:12px;color:#64748B;font-weight:600;text-transform:uppercase;letter-spacing:.4px;padding:12px 4px 4px}
.m-lang{display:flex;gap:8px;padding:4px 0 8px}
.opt{display:inline-flex;align-items:center;min-height:42px;padding:0 18px;border:1px solid #CBD5E1;border-radius:10px;font-weight:600;font-size:15px;color:var(--ink);text-decoration:none;background:#fff}
.opt.on{background:var(--blue);border-color:var(--blue);color:#fff}
.mlink{display:flex;align-items:center;min-height:46px;padding:0 4px;color:var(--ink);text-decoration:none;font-weight:500;font-size:15px;border-bottom:1px solid #F1F5F9}
.mlink.mi{border:0;border-bottom:1px solid #F1F5F9;background:none;text-align:left;font-family:inherit;cursor:pointer;width:100%}
.mlink:hover{background:#F8FAFC}

/* ---------- hero art, feature icons, template gallery ---------- */
.hero-in{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;align-items:center}
.hero-art{display:none}
.art{width:100%;height:auto;display:block}
@media(min-width:960px){.hero-in{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:32px}.hero-art{display:block}}
.feat li .ic{display:inline-flex;width:42px;height:42px;border-radius:12px;background:var(--blue-soft);align-items:center;justify-content:center;margin-bottom:10px}
.feat li.soon .ic{background:#F1F5F9}
.gal{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 10px;-webkit-overflow-scrolling:touch}
.gal-card{flex:0 0 78%;scroll-snap-align:start;display:flex;flex-direction:column;gap:10px}
@media(min-width:760px){.gal{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible}.gal-card{flex:none}}
.gal-view{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 6px 18px rgba(15,23,42,.06)}
.gal-view .inv{position:absolute;left:0;top:0;width:620px;transform-origin:0 0;border:0;border-radius:0;box-shadow:none;pointer-events:none}
.gal-cap{display:flex;justify-content:space-between;align-items:center;gap:8px;font-weight:600}