:root{
  --paper:#eef1ec; --paper2:#e2e7e1; --ink:#1e2a33; --ink2:#425260; --steel:#8a969e; --line:#c9d1cb;
  --tape:#f2c230; --tape-ink:#2b2306; --red:#c8321e; --gum:#3e6b57; --white:#fbfcfa;
  --disp:"Barlow Condensed","Arial Narrow","Noto Sans SC","Noto Sans KR","Noto Sans Arabic","Noto Sans Devanagari",sans-serif;
  --body:"Barlow",system-ui,-apple-system,"Segoe UI","Noto Sans SC","PingFang SC","Malgun Gothic","Noto Sans Arabic","Noto Sans Devanagari",sans-serif;
  --w:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.55 var(--body)}
a{color:inherit}
:focus-visible{outline:3px solid var(--tape);outline-offset:2px;border-radius:2px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}

/* header */
.top{border-bottom:1px solid var(--line);background:var(--paper)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 26px/1 var(--disp);letter-spacing:.01em}
.hook{width:22px;height:22px;background:var(--tape);border:2px solid var(--ink);border-radius:3px;position:relative}
.hook:after{content:"";position:absolute;inset-inline-end:-2px;top:-2px;bottom:-2px;width:6px;background:var(--ink)}
.brand small{font:500 14px/1 var(--body);color:var(--ink2);margin-inline-start:6px}
.top nav{margin-inline-start:auto;display:flex;gap:18px;align-items:center;font-weight:500}
.top nav a{text-decoration:none}
.top nav a:hover{text-decoration:underline;text-underline-offset:4px}
.langs{position:relative}
.langs summary{cursor:pointer;list-style:none;padding:6px 12px;border:1.5px solid var(--ink);border-radius:999px;font-weight:600;font-size:15px}
.langs summary::-webkit-details-marker{display:none}
.langs ul{position:absolute;inset-inline-end:0;top:calc(100% + 6px);margin:0;padding:6px;list-style:none;background:var(--white);border:1.5px solid var(--ink);border-radius:8px;min-width:170px;z-index:5}
.langs li a{display:block;padding:8px 10px;text-decoration:none;border-radius:4px}
.langs li a:hover,.langs li a[aria-current]{background:var(--paper2)}

/* hero */
.hero{padding:72px 0 0}
.hero h1{font:700 clamp(54px,9vw,128px)/.88 var(--disp);margin:0;letter-spacing:-.01em;max-width:11ch}
.hero p{max-width:56ch;font-size:19px;color:var(--ink2);margin:26px 0 30px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:6px;border:2px solid var(--ink);background:var(--ink);color:var(--paper);font:600 17px/1 var(--body);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--ink2);border-color:var(--ink2)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--paper2)}

/* the tape */
.tape{margin-top:56px;height:74px;background:var(--tape);color:var(--tape-ink);position:relative;overflow:hidden;
  border-top:2px solid var(--tape-ink);border-bottom:2px solid var(--tape-ink);
  background-image:
    repeating-linear-gradient(90deg,var(--tape-ink) 0 2px,transparent 2px 40px),
    repeating-linear-gradient(90deg,var(--tape-ink) 0 1px,transparent 1px 20px),
    repeating-linear-gradient(90deg,var(--tape-ink) 0 1px,transparent 1px 4px);
  background-size:40px 30px,20px 20px,4px 10px;background-repeat:repeat-x;background-position:0 0,0 0,0 0}
.tape ol{list-style:none;margin:0;padding:0;position:absolute;left:0;bottom:8px;display:flex;white-space:nowrap}
.tape li{width:40px;flex:none;font:700 15px/1 var(--disp);text-indent:4px}
.tape li:nth-child(10n){color:var(--red)}
[dir=rtl] .tape ol{direction:ltr}

/* home list */
.groups{padding:64px 0 40px}
.grp{display:grid;grid-template-columns:220px 1fr;gap:28px;padding:26px 0;border-top:2px solid var(--ink)}
.grp h2{font:700 30px/1 var(--disp);margin:4px 0 0}
.grp ul{list-style:none;margin:0;padding:0}
.grp li{border-bottom:1px solid var(--line)}
.grp li:last-child{border-bottom:0}
.grp a{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 24px;padding:16px 0;text-decoration:none}
.grp a b{font:600 25px/1.1 var(--disp)}
.grp a span{grid-column:1;color:var(--ink2);font-size:16px}
.grp a i{grid-row:1/3;grid-column:2;align-self:center;font:700 22px/1 var(--disp);font-style:normal;padding:8px 12px;border:1.5px solid var(--ink);border-radius:4px;min-width:62px;text-align:center}
.grp a:hover b{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:2px}
.grp a:hover i{background:var(--tape)}

/* tool page */
.crumb{padding:22px 0 0;font-size:15px;color:var(--ink2)}
.crumb a{color:var(--ink2)}
.pagebar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:22px;flex-wrap:wrap}
.pagebar .crumb{padding:0}
.pageacts{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.sbtn{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:7px 11px;border:1.5px solid var(--line);border-radius:999px;background:var(--white);color:var(--ink);font:600 14px/1 var(--body);cursor:pointer}
.sbtn:hover{border-color:var(--ink);background:var(--paper2)}
.sbtn[aria-pressed=true]{background:var(--tape);border-color:var(--ink)}
.sbtn.done{background:var(--gum);border-color:var(--gum);color:var(--white)}
.sbtn .ico{font-size:17px;line-height:1}
.heroactions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.hero .sbtn{background:rgba(18,27,34,.42);border-color:rgba(255,255,255,.65);color:var(--white);backdrop-filter:blur(4px)}
.hero .sbtn:hover{background:rgba(18,27,34,.72);border-color:var(--white)}
.hero .sbtn[aria-pressed=true]{background:var(--tape);border-color:var(--tape);color:var(--tape-ink)}
.hero .sbtn.done{background:var(--gum);border-color:var(--gum);color:var(--white)}
.thead{padding:14px 0 30px;border-bottom:2px solid var(--ink)}
.thead h1{font:700 clamp(40px,6vw,76px)/.95 var(--disp);margin:0 0 14px}
.thead p{margin:0;max-width:62ch;color:var(--ink2);font-size:18px}
.tool{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:40px;padding:34px 0 20px;align-items:start}
.tool h2{font:700 24px/1 var(--disp);margin:0 0 16px}
#calc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}
.fld{min-width:0;display:flex;flex-direction:column;gap:6px}
.fld[hidden]{display:none}
.fl{font-weight:600;font-size:15px}
.fi{display:flex;align-items:stretch;background:var(--white);border:1.5px solid var(--steel);border-radius:6px;overflow:hidden}
.fi:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(242,194,48,.55)}
.fi input,.fi select{flex:1;min-width:0;border:0;background:transparent;font:600 20px/1 var(--body);color:var(--ink);padding:12px 12px;outline:none}
.fi select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat;padding-inline-end:34px;font-size:18px}
[dir=rtl] .fi select{background-position:20px 50%,14px 50%}
.fu{display:flex;align-items:center;padding:0 12px;background:var(--paper2);color:var(--ink2);font-weight:600;font-size:15px;border-inline-start:1px solid var(--line);white-space:nowrap}

.sheet{position:sticky;top:18px;background:var(--ink);color:var(--paper);border-radius:10px;overflow:hidden}
.sheet h2{color:var(--tape-ink);background:var(--tape);margin:0;padding:14px 20px;font-size:24px;border-bottom:2px solid var(--tape-ink)}
#out{margin:0;padding:6px 20px 8px}
.row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:11px 0;border-bottom:1px solid rgba(238,241,236,.14)}
.row:last-child{border-bottom:0}
.row dt{color:#c3ccd0;font-size:15px}
.row dd{margin:0;text-align:end}
.row b{font:600 24px/1.1 var(--disp);color:var(--white);border-radius:3px;padding:0 3px}
.row small{color:#aab5ba;font-size:14px}
.row em{display:block;font-style:normal;font-size:13px;margin-top:2px}
.row.good em{color:#9fd3b6}
.row.bad em{color:#ff9d8a}
.row.bad b{color:#ffb4a6}
.row.big{padding:16px 0}
.row.big b{font-size:44px;color:var(--tape)}
.row.big dt{color:var(--paper);font-weight:600}
.flash{animation:fl .7s ease-out}
@keyframes fl{from{background:rgba(242,194,48,.45)}to{background:transparent}}
.acts{display:flex;flex-wrap:wrap;gap:10px;padding:14px 20px 20px}
.acts .btn{font-size:15px;padding:10px 14px;background:var(--paper);color:var(--ink);border-color:var(--paper)}
.acts .btn:hover{background:var(--tape);border-color:var(--tape)}
.acts .btn.ghost{background:transparent;color:var(--paper);border-color:rgba(238,241,236,.4)}
.acts .btn.ghost:hover{border-color:var(--paper);color:var(--ink);background:var(--paper)}

.notes{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;padding:26px 0 10px}
.how h2{font:700 26px/1 var(--disp);margin:0 0 10px}
.how p{max-width:66ch;margin:0 0 14px}
.disc{font-size:14px;color:var(--ink2);border-inline-start:4px solid var(--tape);padding-inline-start:12px}
.promo{border:2px solid var(--ink);border-radius:10px;padding:20px}
.promo h3{font:700 24px/1 var(--disp);margin:0 0 8px}
.promo p{margin:0 0 14px;color:var(--ink2)}
.rel{padding:30px 0 50px}
.rel h2{font:700 26px/1 var(--disp);margin:0 0 12px}
.rel ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.rel a{display:block;padding:9px 14px;border:1.5px solid var(--ink);border-radius:999px;text-decoration:none;font-weight:600;font-size:15px}
.rel a:hover{background:var(--tape)}
.ad{margin:20px 0;min-height:0}

footer{border-top:2px solid var(--ink);padding:28px 0 40px;font-size:15px;color:var(--ink2)}
footer .wrap{display:flex;flex-wrap:wrap;gap:10px 30px;justify-content:space-between}
footer a{color:var(--ink)}

@media (max-width:920px){
  .tool,.notes{grid-template-columns:1fr}
  .sheet{position:static}
  .grp{grid-template-columns:1fr;gap:6px}
}
@media (max-width:560px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .brand small{display:none}
  .top nav .nl{display:none}
  .top nav{gap:10px}
  .storenav{padding:5px 9px;font-size:14px}
  .pagebar{align-items:flex-start;gap:10px}
  .sbtn{font-size:13px;min-height:34px;padding:6px 10px}
  .hero{padding-top:44px}
  .hero p{font-size:17px}
  #calc{grid-template-columns:1fr}
  .grp a b{font-size:22px}
  .grp a i{font-size:18px;min-width:52px;padding:6px 8px}
  .row.big b{font-size:38px}
}
@media (prefers-reduced-motion:reduce){.flash{animation:none}}
@media print{
  .top,.hero,.tape,.rel,.promo,.acts,footer,.crumb,.pageacts,.ad{display:none!important}
  body{background:#fff}
  .tool{grid-template-columns:1fr 1fr}
  .sheet{background:#fff;color:#000;border:2px solid #000;position:static}
  .row dt,.row b,.row small,.row.big b{color:#000}
}

/* photo hero */
.hero{position:relative;padding:0;color:var(--white);background:#26343f url(/assets/hero-v1.webp) center 62%/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,27,34,.9) 0%,rgba(18,27,34,.66) 42%,rgba(18,27,34,.12) 78%,rgba(18,27,34,0) 100%)}
[dir=rtl] .hero:before{background:linear-gradient(260deg,rgba(18,27,34,.9) 0%,rgba(18,27,34,.66) 42%,rgba(18,27,34,.12) 78%,rgba(18,27,34,0) 100%)}
.hero .wrap{position:relative;padding-top:120px;padding-bottom:130px}
.hero h1{color:var(--white)}
.hero p{color:#dfe6ea}
.hero .btn{background:var(--tape);border-color:var(--tape);color:var(--tape-ink)}
.hero .btn:hover{background:#ffd54a;border-color:#ffd54a}
.hero .tape{margin-top:0;position:relative}
.thead{position:relative;margin-top:14px;padding:46px 36px 40px;border:0;border-radius:12px;overflow:hidden;color:var(--white);background:#26343f url(/assets/hero-v1.webp) center 40%/cover no-repeat}
.thead:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,27,34,.9),rgba(18,27,34,.55) 60%,rgba(18,27,34,.2))}
[dir=rtl] .thead:before{background:linear-gradient(260deg,rgba(18,27,34,.9),rgba(18,27,34,.55) 60%,rgba(18,27,34,.2))}
.thead>*{position:relative}
.thead p{color:#dfe6ea}
.thead:after{content:"";position:absolute;left:0;right:0;bottom:0;height:10px;background:var(--tape);background-image:repeating-linear-gradient(90deg,var(--tape-ink) 0 2px,transparent 2px 40px),repeating-linear-gradient(90deg,var(--tape-ink) 0 1px,transparent 1px 8px);background-size:40px 10px,8px 5px;background-repeat:repeat-x}
@media (max-width:700px){
  .hero,.thead{background-image:url(/assets/hero-sm-v1.webp)}
  .hero .wrap{padding-top:70px;padding-bottom:80px}
  .thead{padding:30px 20px 32px}
}

/* Pro */
.pb{font:700 13px/1 var(--body);font-style:normal;background:var(--tape);color:var(--tape-ink);border-radius:4px;padding:3px 6px;margin-inline-start:10px;vertical-align:middle;letter-spacing:.02em}
.thead h1 .pb{font-size:18px;padding:5px 9px}
.pronav{background:var(--tape);color:var(--tape-ink)!important;padding:6px 12px;border-radius:999px;font-weight:700}
.storenav{border:1.5px solid var(--ink);padding:5px 11px;border-radius:999px;font-weight:600;font-size:15px}
.proband{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:center;background:var(--ink);color:var(--paper);border-radius:12px;padding:34px 36px;margin-bottom:56px}
.proband h2{font:700 38px/1 var(--disp);margin:0 0 10px;color:var(--tape)}
.proband p{margin:0 0 12px;color:#dfe6ea}
.proband ul{margin:0;padding-inline-start:20px;color:#dfe6ea}
.proband li{margin:4px 0}
.pbuy{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.pbuy b{font:700 54px/1 var(--disp);color:var(--white)}
.pbuy span{color:#c3ccd0;font-size:15px}
.pbuy .btn{background:var(--tape);border-color:var(--tape);color:var(--tape-ink);margin-top:8px}
.row.locked b,.row.locked small{filter:blur(7px);user-select:none}
.lockcta{margin:0 20px 6px;padding:14px;border:1.5px dashed var(--tape);border-radius:8px}
.lockcta p{margin:0 0 10px;font-size:15px;color:var(--paper)}
.lockcta .btn{background:var(--tape);border-color:var(--tape);color:var(--tape-ink)}
.prowrap{padding-bottom:60px}
.psub{margin:10px 0 0;position:relative}
.psub a{color:var(--white)}
#pro-root{padding-top:30px}
.plead{font-size:19px;max-width:60ch;margin:0 0 18px}
.pgrid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:40px;align-items:start;margin:10px 0 30px}
.pfeat{margin:0 0 16px;padding-inline-start:22px}
.pfeat li{margin:8px 0}
.pcard{border:2px solid var(--ink);border-radius:12px;padding:24px;background:var(--white);display:flex;flex-direction:column;gap:14px;max-width:640px}
.pcard h2{font:700 26px/1 var(--disp);margin:0}
.pcard.buy{position:sticky;top:18px}
.price{display:flex;flex-direction:column;align-items:flex-start;gap:2px}
.price b{display:block;font:700 56px/1 var(--disp)}
.price span{color:var(--ink2)}
.pbtns{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:10px 0 20px}
.pmsg{margin:0;font-weight:600}
.pok{font-weight:700;color:var(--gum)}
.small{font-size:14px;color:var(--ink2);margin:0}
.tablewrap{overflow-x:auto;border:1.5px solid var(--line);border-radius:10px;background:var(--white)}
.ptable{width:100%;border-collapse:collapse;font-size:15px}
.ptable th,.ptable td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:start}
.ptable th{background:var(--paper2);font-weight:600}
.ptable input{width:100px;font:600 16px var(--body);padding:6px 8px;border:1.5px solid var(--steel);border-radius:5px}
.ptable .num{text-align:end;white-space:nowrap}
.ptable .empty{color:var(--ink2);padding:24px 12px}
.linkbtn{background:none;border:0;color:var(--red);font:600 14px var(--body);cursor:pointer;text-decoration:underline}
.pform{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px;margin:0 0 20px}
.pform .wide{grid-column:1/-1}
.fi textarea{flex:1;min-width:0;border:0;background:transparent;font:500 17px/1.4 var(--body);color:var(--ink);padding:10px 12px;outline:none;resize:vertical}
.ptot .row{padding:9px 0}
.dlist{display:grid;gap:14px}
.dentry{border:1.5px solid var(--line);border-radius:10px;padding:16px 18px;background:var(--white)}
.dentry h3{font:700 22px/1.1 var(--disp);margin:0 0 8px}
.dentry dl{display:grid;grid-template-columns:180px 1fr;gap:4px 14px;margin:0 0 8px}
.dentry dt{color:var(--ink2);font-size:14px}
.dentry dd{margin:0;white-space:pre-wrap}
.empty{color:var(--ink2)}
#quote{display:none}
@media (max-width:920px){.pgrid,.proband{grid-template-columns:1fr}.pcard.buy{position:static}}
@media (max-width:560px){.pform{grid-template-columns:1fr}.dentry dl{grid-template-columns:1fr}.proband{padding:24px 20px}}
@media print{
  body.pq>*{display:none!important}
  body.pq #quote{display:block!important;color:#000;font:14px/1.5 Arial,sans-serif;padding:10mm}
  .qhead{display:flex;justify-content:space-between;gap:20px;border-bottom:3px solid #000;padding-bottom:10px}
  .qhead h1{font-size:26px;margin:0}.qmeta{text-align:end}.qmeta h2{margin:0;font-size:22px}.qmeta p,.qhead p{margin:2px 0}
  .qclient{font-weight:700;margin:14px 0}
  .qt{width:100%;border-collapse:collapse;margin:10px 0}.qt th,.qt td{border-bottom:1px solid #999;padding:6px;text-align:start}.qt .num{text-align:end}
  .qsum{text-align:end;margin-top:10px}.qsum p{margin:3px 0}.qbig{font-size:18px;font-weight:700}
}
.pcard .btn{align-self:flex-start}

/* Share panel */
body.share-open{overflow:hidden}
.sharebackdrop{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(15,23,29,.68);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);animation:share-fade .14s ease-out both}
.sharebackdrop[hidden]{display:none}
.sharepanel{width:min(460px,100%);max-height:calc(100vh - 48px);max-height:calc(100dvh - 48px);overflow:auto;overscroll-behavior:contain;background:var(--white);color:var(--ink);border:2px solid var(--ink);border-radius:14px;padding:22px;box-shadow:0 24px 70px rgba(0,0,0,.34);animation:share-rise .18s ease-out both}
.sharehead{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}
.sharehead h2{font:700 32px/1 var(--disp);margin:0}
.shareclose{width:40px;height:40px;flex:none;display:grid;place-items:center;border:1.5px solid var(--line);border-radius:50%;background:var(--paper);color:var(--ink);font:400 28px/1 Arial,sans-serif;cursor:pointer}
.shareclose:hover{border-color:var(--ink);background:var(--paper2)}
.shareurl{display:flex;align-items:center;min-height:48px;border:1.5px solid var(--ink);border-radius:8px;background:var(--paper);padding:0 12px;overflow:hidden}
.shareurl input{width:100%;min-width:0;border:0;background:transparent;color:var(--ink2);font:500 14px/1.3 var(--body);padding:14px 0;outline:none;text-overflow:ellipsis}
.sharecopy{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center;gap:9px;margin-top:12px;border:2px solid var(--ink);border-radius:8px;background:var(--ink);color:var(--white);font:700 16px/1 var(--body);cursor:pointer}
.sharecopy:hover{background:var(--ink2);border-color:var(--ink2)}
.sharecopy.done{background:var(--gum);border-color:var(--gum)}
.sharecopy .ico{font-size:19px}
.shareapps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}
.shareapp{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:48px;padding:0 14px;border:1.5px solid var(--line);border-radius:8px;background:var(--paper);text-decoration:none;color:var(--ink)}
.shareapp:hover{border-color:var(--ink);background:var(--paper2)}
.shareapp b{font:700 17px/1 var(--disp)}
.shareapp span{font-size:18px;color:var(--ink2)}
@keyframes share-fade{from{opacity:0}to{opacity:1}}
@keyframes share-rise{from{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:none}}
@media (max-width:560px){
  .sharebackdrop{align-items:flex-end;padding:0}
  .sharepanel{width:100%;max-height:88vh;max-height:88dvh;border-width:2px 0 0;border-radius:18px 18px 0 0;padding:20px 18px calc(18px + env(safe-area-inset-bottom))}
  .sharehead h2{font-size:29px}
}
@media (max-width:380px){
  .shareapps{grid-template-columns:1fr}
  .shareapp{min-height:46px}
}
@media (prefers-reduced-motion:reduce){
  .sharebackdrop,.sharepanel{animation:none}
}
@media print{
  .sharebackdrop{display:none!important}
}