/* ───────── PDFNest base styles ───────── */
:root{
  --bg:#f7f7fb; --surface:#ffffff; --surface2:#f1f1f7; --line:#e4e4ee; --line2:#d3d3e2;
  --text:#16161f; --muted:#5b5b70; --faint:#8b8ba0;
  --brand:#5b4cf0; --brand-ink:#ffffff; --brand-soft:#ecebff; --brand-dark:#4436d6;
  --ok:#14a36b; --ok-soft:#e3f7ee; --err:#d93a4a; --err-soft:#fdecee; --warn:#b7791f; --warn-soft:#fff5e1;
  --radius:16px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(20,20,50,.06),0 8px 24px -12px rgba(20,20,50,.18);
  --shadow-lg:0 24px 60px -20px rgba(40,30,120,.28);
  --max:1180px;
  --c-merge:#e5484d; --c-split:#f76b15; --c-compress:#30a46c; --c-convert:#0090ff; --c-edit:#8e4ec6; --c-pages:#d6409f; --c-sign:#12a594; --c-security:#3e63dd; --c-word:#2b5797; --c-gray:#6b6b80;
}
:root[data-theme="dark"]{
    --bg:#0f0f15; --surface:#17171f; --surface2:#1e1e28; --line:#2a2a36; --line2:#383848;
    --text:#ededf3; --muted:#a3a3b8; --faint:#76768a;
    --brand:#7c6ff7; --brand-soft:#262145; --brand-dark:#9a90ff;
    --ok-soft:#10301f; --err-soft:#3a1519; --warn-soft:#33270f;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.6);
  }
:root[data-theme="dark"]{color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img,svg,canvas{max-width:100%}
a{color:var(--brand)} a:hover{color:var(--brand-dark)}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em}
p{margin:0 0 1em}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
[hidden]{display:none!important}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--brand);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

/* ───────── header / nav ───────── */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 88%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:20px;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;color:var(--text);text-decoration:none;letter-spacing:-.02em}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--brand);display:grid;place-items:center;color:#fff;flex:none}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:14.5px;padding:8px 12px;border-radius:9px}
.nav a:hover,.nav a[aria-current="page"]{color:var(--text);background:var(--surface2)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:40px;cursor:pointer}
.mega{position:relative}
.mega-panel{display:none;position:absolute;right:0;top:calc(100% + 8px);width:min(720px,92vw);background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:16px;grid-template-columns:repeat(3,1fr);gap:4px}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{display:grid}
.mega-panel a{display:flex;gap:10px;align-items:center;padding:9px 10px;color:var(--text);font-weight:600;font-size:14px}
@media (max-width:860px){
  .nav-toggle{display:grid;place-items:center}
  .nav{display:none;position:absolute;left:0;right:0;top:62px;background:var(--surface);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:10px 16px 16px;margin:0}
  .nav.open{display:flex}
  .mega-panel{position:static;display:grid;box-shadow:none;border:0;padding:0;width:auto;grid-template-columns:1fr 1fr}
  .mega>a{display:none}
}

/* ───────── icons ───────── */
.ticon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#fff;flex:none}
.ticon svg{width:24px;height:24px}
.ticon.sm{width:30px;height:30px;border-radius:8px} .ticon.sm svg{width:17px;height:17px}

/* ───────── home ───────── */
.home-hero{text-align:center;padding:56px 0 34px}
.home-hero h1{font-size:clamp(30px,5.4vw,52px);font-weight:850;margin-bottom:14px}
.home-hero p{color:var(--muted);font-size:clamp(16px,2vw,19px);max-width:640px;margin:0 auto}
.trust{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center;margin-top:22px;color:var(--muted);font-size:14px;font-weight:600}
.trust span{display:flex;align-items:center;gap:6px}
.trust svg{color:var(--ok)}
.filters{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:8px 0 22px}
.filters button{border:1px solid var(--line);background:var(--surface);padding:8px 16px;border-radius:999px;font-weight:600;font-size:14px;cursor:pointer;color:var(--muted)}
.filters button[aria-pressed="true"]{background:var(--text);color:var(--surface);border-color:var(--text)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.card{display:flex;flex-direction:column;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;text-decoration:none;color:var(--text);transition:transform .15s,box-shadow .15s,border-color .15s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line2);color:var(--text)}
.card h2,.card h3{font-size:18px;margin:0}
.card p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.5}
.section{padding:56px 0}
.section h2{font-size:clamp(24px,3.4vw,32px);text-align:center}
.section .lead{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 28px}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.feat div{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.feat h3{font-size:17px;margin-bottom:6px}
.feat p{color:var(--muted);font-size:14.5px;margin:0}

/* ───────── tool page ───────── */
.crumbs{font-size:13.5px;color:var(--faint);padding-top:18px}
.crumbs a{color:var(--muted);text-decoration:none} .crumbs a:hover{text-decoration:underline}
.tool-hero{text-align:center;padding:22px 0 20px}
.tool-hero .ticon{margin:0 auto 14px;width:58px;height:58px;border-radius:16px}
.tool-hero .ticon svg{width:30px;height:30px}
.tool-hero h1{font-size:clamp(28px,4.6vw,42px);font-weight:850;margin-bottom:8px}
.tool-hero p{color:var(--muted);font-size:clamp(15.5px,1.8vw,18px);max-width:680px;margin:0 auto}

.app{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden;overflow:clip;position:relative;min-height:260px}
.drop{margin:18px;border:2px dashed var(--line2);border-radius:18px;padding:44px 20px;text-align:center;transition:.15s;cursor:pointer}
.drop.over{border-color:var(--brand);background:var(--brand-soft)}
.drop .big{font-size:20px;font-weight:750;margin:14px 0 4px}
.drop .small{color:var(--muted);font-size:14.5px;margin:0}
.drop .note{color:var(--faint);font-size:13px;margin-top:16px;display:flex;align-items:center;justify-content:center;gap:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;cursor:pointer;font-weight:750;font-size:16px;
  background:var(--brand);color:var(--brand-ink);padding:14px 26px;border-radius:13px;text-decoration:none;transition:background .15s,transform .1s,opacity .15s;white-space:nowrap}
.btn:hover{background:var(--brand-dark);color:#fff}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.lg{font-size:18px;padding:17px 34px;border-radius:15px}
.btn.ghost{background:var(--surface2);color:var(--text)} .btn.ghost:hover{background:var(--line)}
.btn.sm{font-size:14px;padding:9px 14px;border-radius:10px}
.btn.block{width:100%}

.work{display:none;grid-template-columns:1fr 320px;min-height:420px;align-items:start}
.work-main{align-self:stretch}
.app.has-files .drop-stage{display:none}
.app.has-files .work{display:grid}
.work-main{padding:18px;border-right:1px solid var(--line);min-width:0;background:var(--surface2)}
.work-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.work-bar .info{color:var(--muted);font-size:14px;font-weight:600;margin-right:auto}
.side{padding:18px;display:flex;flex-direction:column;gap:16px;position:sticky;top:62px;align-self:start;max-height:calc(100vh - 62px);overflow:auto}
.side h2{font-size:17px;margin:0}
.side .grow{flex:1}
@media (max-width:860px){
  .work{grid-template-columns:1fr}
  .work-main{border-right:0;border-bottom:1px solid var(--line)}
  .side{position:static;max-height:none;overflow:visible}
  .side .grow{display:none}
}

/* option controls */
.opt-group{display:flex;flex-direction:column;gap:8px}
.opt-label{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.choices{display:grid;gap:8px}
.choice{display:flex;gap:10px;align-items:flex-start;border:1.5px solid var(--line);border-radius:12px;padding:11px 12px;cursor:pointer;transition:.12s;background:var(--surface)}
.choice:hover{border-color:var(--line2)}
.choice input{margin-top:4px;accent-color:var(--brand)}
.choice:has(input:checked){border-color:var(--brand);background:var(--brand-soft)}
.choice b{display:block;font-size:14.5px}
.choice small{display:block;color:var(--muted);font-size:13px;line-height:1.4}
.seg{display:flex;background:var(--surface2);border-radius:11px;padding:3px;gap:3px}
.seg label{flex:1;text-align:center;padding:8px 6px;border-radius:9px;cursor:pointer;font-size:14px;font-weight:600;color:var(--muted)}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label:has(input:checked){background:var(--surface);color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.field{width:100%;border:1.5px solid var(--line);border-radius:11px;padding:10px 12px;background:var(--surface);font-size:15px}
.field:focus{outline:none;border-color:var(--brand)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.hint{font-size:13px;color:var(--muted);line-height:1.45}
.check{display:flex;gap:8px;align-items:center;font-size:14.5px;cursor:pointer}
.check input{accent-color:var(--brand);width:17px;height:17px}
input[type=range]{width:100%;accent-color:var(--brand)}
input[type=color]{width:44px;height:38px;border:1px solid var(--line);border-radius:9px;padding:2px;background:var(--surface)}

/* file cards */
.files{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.fcard{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px;text-align:center;
  box-shadow:0 1px 2px rgba(0,0,0,.04);user-select:none}
.fcard.sortable-ghost{opacity:.35}
.fcard.sortable-chosen{box-shadow:var(--shadow-lg)}
.fthumb{height:150px;display:grid;place-items:center;background:var(--surface2);border-radius:9px;overflow:hidden;margin-bottom:8px}
.fthumb canvas,.fthumb img{max-height:150px;max-width:100%;box-shadow:0 1px 4px rgba(0,0,0,.18);background:#fff;display:block}
.fname{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fmeta{font-size:12px;color:var(--faint)}
.fbtns{position:absolute;top:6px;right:6px;display:flex;gap:4px;opacity:0;transition:.15s}
.fcard:hover .fbtns,.fcard:focus-within .fbtns{opacity:1}
@media (hover:none){.fbtns{opacity:1}}
.ibtn{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;cursor:pointer;color:var(--text);padding:0}
.ibtn:hover{background:var(--surface2)}
.ibtn svg{width:16px;height:16px}
.add-more{display:grid;place-items:center;border:2px dashed var(--line2);border-radius:14px;min-height:200px;cursor:pointer;color:var(--muted);font-weight:700;background:transparent;font-size:14px}
.add-more:hover{border-color:var(--brand);color:var(--brand)}
.fidx{position:absolute;top:8px;left:8px;background:var(--text);color:var(--surface);font-size:11px;font-weight:800;border-radius:6px;padding:1px 7px}

/* page grid */
.pages{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:12px}
.pcard{position:relative;background:var(--surface);border:2px solid transparent;border-radius:12px;padding:8px 8px 6px;text-align:center;cursor:pointer;transition:.12s;user-select:none}
.pcard:hover{border-color:var(--line2)}
.pcard.sel{border-color:var(--brand);background:var(--brand-soft)}
.pcard.del .pthumb{opacity:.25}
.pcard.del::after{content:"";position:absolute;inset:30% 30%;background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d93a4a' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E")}
.pthumb{height:140px;display:grid;place-items:center;overflow:hidden}
.pthumb canvas{max-height:140px;max-width:100%;box-shadow:0 1px 4px rgba(0,0,0,.2);background:#fff;transition:transform .2s}
.pnum{font-size:12.5px;font-weight:700;color:var(--muted);margin-top:4px}
.pcard .tick{position:absolute;top:6px;left:6px;width:22px;height:22px;border-radius:7px;border:2px solid var(--line2);background:var(--surface);display:grid;place-items:center}
.pcard.sel .tick{background:var(--brand);border-color:var(--brand)}
.pcard .tick svg{width:13px;height:13px;color:#fff;opacity:0} .pcard.sel .tick svg{opacity:1}
.pcard .fbtns{top:4px;right:4px}
.sk{background:linear-gradient(90deg,var(--surface2) 25%,var(--line) 50%,var(--surface2) 75%);background-size:200% 100%;animation:sk 1.2s infinite}
@keyframes sk{to{background-position:-200% 0}}

/* progress + result */
.overlay{position:absolute;inset:0;background:color-mix(in srgb,var(--surface) 94%,transparent);display:none;place-items:center;z-index:5;padding:20px}
.overlay.show{display:grid}
.prog{width:min(420px,100%);text-align:center}
.prog h2{font-size:20px;margin-bottom:6px}
.prog p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.bar{height:10px;background:var(--surface2);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--brand);border-radius:99px;transition:width .25s}
.pct{margin-top:8px;font-weight:800;font-size:15px}
.result{display:none;padding:44px 20px;text-align:center}
.app.done .work,.app.done .drop-stage{display:none!important}
.app.done .result{display:block}
.okmark{width:68px;height:68px;border-radius:50%;background:var(--ok-soft);color:var(--ok);display:grid;place-items:center;margin:0 auto 14px}
.result h2{font-size:24px;margin-bottom:6px}
.result .sum{color:var(--muted);margin-bottom:22px}
.result .actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.result .saved{display:inline-block;background:var(--ok-soft);color:var(--ok);font-weight:800;border-radius:8px;padding:2px 9px;margin-left:4px}
.result textarea{width:100%;min-height:260px;margin:0 0 16px;border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--surface2);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;text-align:left}
.next{margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.next p{color:var(--muted);font-size:14px;font-weight:600;margin-bottom:10px}
.next .links{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.next .links a{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:11px;padding:7px 12px 7px 7px;text-decoration:none;color:var(--text);font-weight:600;font-size:14px}
.next .links a:hover{border-color:var(--line2);background:var(--surface2)}

.toast{position:fixed;left:50%;bottom:20px;transform:translate(-50%,140%);background:var(--text);color:var(--surface);padding:12px 18px;border-radius:12px;
  font-size:14.5px;font-weight:600;z-index:100;max-width:calc(100% - 32px);transition:transform .3s;box-shadow:var(--shadow-lg)}
.toast.show{transform:translate(-50%,0)}
.toast.err{background:var(--err);color:#fff}
.banner{border-radius:12px;padding:11px 13px;font-size:13.5px;line-height:1.45}
.banner.warn{background:var(--warn-soft);color:var(--warn)}
.banner.info{background:var(--brand-soft);color:var(--brand-dark)}

/* sign tool */
.sigpad{border:1.5px solid var(--line);border-radius:12px;background:#fff;touch-action:none;width:100%;height:150px;display:block;cursor:crosshair}
.stage{position:relative;display:inline-block;max-width:100%;box-shadow:0 2px 10px rgba(0,0,0,.2);background:#fff;line-height:0}
.stage canvas{display:block;max-width:100%;height:auto}
.stage .sigbox{position:absolute;border:1.5px dashed var(--brand);cursor:move;touch-action:none;line-height:0}
.stage .sigbox img{width:100%;height:100%;pointer-events:none}
.stage .sigbox .rs{position:absolute;right:-8px;bottom:-8px;width:16px;height:16px;border-radius:50%;background:var(--brand);border:2px solid #fff;cursor:nwse-resize}
.page-nav{display:flex;align-items:center;gap:8px;justify-content:center;margin-bottom:12px}

/* ───────── article / content ───────── */
.content{max-width:820px;margin:0 auto;padding:44px 0 10px}
.content h2{font-size:clamp(22px,3vw,28px);margin-top:44px}
.content h3{font-size:19px;margin-top:26px}
.content p,.content li{color:var(--text)}
.content ol.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:12px}
.content ol.steps li{counter-increment:s;position:relative;padding:14px 16px 14px 58px;background:var(--surface);border:1px solid var(--line);border-radius:14px}
.content ol.steps li::before{content:counter(s);position:absolute;left:14px;top:13px;width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;font-weight:800;display:grid;place-items:center}
.content .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;padding:0;list-style:none}
.content .cols li{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.content .cols b{display:block;margin-bottom:2px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;padding:0 16px}
.faq summary{cursor:pointer;font-weight:700;padding:15px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--muted);flex:none}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--muted);margin:0 0 15px}
.related{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.related a{display:flex;gap:10px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:10px;text-decoration:none;color:var(--text);font-weight:650;font-size:14.5px}
.related a:hover{border-color:var(--line2)}
.prose{max-width:780px;margin:0 auto;padding:30px 0 40px}
.prose h1{font-size:clamp(28px,4.5vw,40px)}
.prose h2{font-size:23px;margin-top:34px}
.prose .meta{color:var(--faint);font-size:14px;margin-bottom:24px}
.prose table{border-collapse:collapse;width:100%;margin:0 0 1em;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:9px 11px;text-align:left}
.cta{background:var(--brand-soft);border-radius:var(--radius);padding:20px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:26px 0}
.cta p{margin:0;flex:1;min-width:200px;font-weight:600}

/* ads */
.ad{margin:26px auto;max-width:var(--max);text-align:center;min-height:100px}
.ad .lbl{display:block;font-size:11px;color:var(--faint);letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px}

/* ───────── footer ───────── */
.site-footer{margin-top:70px;background:#15141d;color:#c9c9d6;padding:52px 0 28px;font-size:14.5px}
.site-footer .logo{color:#fff}
.fgrid{display:grid;grid-template-columns:1.6fr repeat(5,1fr);gap:28px}
.fgrid h3{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#fff;margin-bottom:12px}
.fgrid ul{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.fgrid a{color:#b4b4c4;text-decoration:none} .fgrid a:hover{color:#fff}
.fbrand p{color:#9d9db0;margin:12px 0 14px;max-width:300px}
.fbadges{display:flex!important;flex-wrap:wrap;gap:6px!important}
.fbadges li{background:#24232f;color:#dcdcea;border-radius:99px;padding:3px 11px;font-size:12.5px;font-weight:600}
.fbottom{border-top:1px solid #2c2b38;margin-top:34px;padding-top:20px;color:#8a8a9c;font-size:13.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media (max-width:980px){.fgrid{grid-template-columns:repeat(3,1fr)}.fbrand{grid-column:1/-1}}
@media (max-width:560px){.fgrid{grid-template-columns:1fr 1fr}}

/* ───────── v2 layout: header menus ───────── */
.ticon.xs{width:24px;height:24px;border-radius:7px} .ticon.xs svg{width:14px;height:14px}
.nav{gap:2px}
.nav a.top{display:flex;align-items:center;gap:5px;color:var(--text);font-weight:650;font-size:14px;padding:8px 12px}
.nav a.top:hover,.nav a.top[aria-current="page"]{color:var(--brand);background:var(--brand-soft)}
.nav .caret{opacity:.6;transition:transform .15s}
.mega:hover .caret,.mega:focus-within .caret{transform:rotate(180deg)}
.mega::after{content:"";position:absolute;left:0;right:0;top:100%;height:12px}
.mega-panel{gap:6px 18px;padding:18px 20px}
.mega-panel.two{left:0;right:auto;width:460px;grid-template-columns:1fr 1fr}
.mega-panel.wide{width:max-content;max-width:94vw;grid-template-columns:repeat(6,auto)}
.mega-panel.wide .mcol a{white-space:nowrap}
.mcol{display:flex;flex-direction:column;gap:2px;min-width:0}
.mcol h3{font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--faint);margin:2px 0 6px 10px}
.mega-panel .mcol a{display:flex;gap:9px;align-items:center;padding:7px 10px;border-radius:9px;color:var(--text);font-weight:600;font-size:13.5px;text-decoration:none}
.mega-panel .mcol a:hover{background:var(--surface2);color:var(--brand)}
.nav a.guides{color:var(--muted)}
@media (max-width:860px){
  .nav .mega.conv{display:none}
  .nav a.top{padding:11px 12px;font-size:15px}
  .mega::after{display:none}
  .mega-panel.wide{grid-template-columns:1fr 1fr;width:auto;padding:4px 0}
  .mega-panel .mcol a{font-size:14px}
}

/* ───────── v2 layout: home ───────── */
.home-hero{padding:52px 0 26px}
.home-hero h1{font-size:clamp(30px,5vw,48px);letter-spacing:-.03em}
.tools-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.tools-grid .card{position:relative;padding:18px 18px 20px;min-height:178px;gap:10px;border-radius:14px}
.tools-grid .card .ticon{width:40px;height:40px;border-radius:11px} .tools-grid .card .ticon svg{width:22px;height:22px}
.tools-grid .card h2,.tools-grid .card h3{font-size:17px;margin-top:4px}
.tools-grid .card p{font-size:13.5px}
.tools-grid .card.mini{min-height:0}
.badge{position:absolute;top:12px;right:12px;background:var(--brand-soft);color:var(--brand-dark);font-size:11.5px;font-weight:800;padding:2px 9px;border-radius:99px}
@media (max-width:520px){.tools-grid{grid-template-columns:1fr 1fr}.tools-grid .card{min-height:0;padding:14px}.tools-grid .card p{font-size:12.5px}.badge{display:none}}

.band{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:center;background:linear-gradient(135deg,var(--brand-soft),color-mix(in srgb,var(--c-compress) 14%,var(--surface)));
  border-radius:24px;padding:40px 44px;margin-top:56px}
.band h2{font-size:clamp(24px,3.4vw,34px);letter-spacing:-.025em}
.band p{color:var(--muted);font-size:16.5px}
.band .eyebrow{color:var(--brand);font-weight:800;font-size:13px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.band .small{font-size:14px;margin:14px 0 0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.chips a{background:var(--surface);border:1px solid var(--line);color:var(--text);font-weight:750;font-size:14.5px;padding:8px 15px;border-radius:99px;text-decoration:none;transition:.15s}
.chips a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.band-art{display:grid;place-items:center}
.band-art svg{width:min(240px,100%);height:auto}
@media (max-width:760px){.band{grid-template-columns:1fr;padding:28px 22px}.band-art{display:none}}

.ways{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.way{background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.way-art{height:130px;display:grid;place-items:center}
.way-art.a1{background:color-mix(in srgb,var(--c-convert) 14%,var(--surface))}
.way-art.a2{background:color-mix(in srgb,var(--c-merge) 12%,var(--surface))}
.way-art.a3{background:color-mix(in srgb,var(--c-sign) 14%,var(--surface))}
.way h3{font-size:18px;margin:20px 22px 6px}
.way p{color:var(--muted);font-size:14.5px;margin:0 22px 14px;flex:1}
.way a{margin:0 22px 22px;font-weight:700;text-decoration:none;font-size:14.5px}
@media (max-width:820px){.ways{grid-template-columns:1fr}}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;text-align:center;margin-top:8px}
.stats div{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 10px}
.stats b{display:block;font-size:clamp(24px,3.4vw,32px);font-weight:850;letter-spacing:-.02em;color:var(--brand)}
.stats span{color:var(--muted);font-size:14px;font-weight:600}
@media (max-width:620px){.stats{grid-template-columns:1fr 1fr}}

/* theme toggle */
.theme-btn{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--text);cursor:pointer;margin-left:6px;flex:none}
.theme-btn:hover{background:var(--surface2)}
.theme-btn .moon{display:block} .theme-btn .sun{display:none}
:root[data-theme="dark"] .theme-btn .moon{display:none} :root[data-theme="dark"] .theme-btn .sun{display:block}
.site-header .theme-btn{order:5}
@media (max-width:860px){.site-header .theme-btn{order:0;margin-left:auto}.nav-toggle{margin-left:8px}}

/* crop tool */
.crop-stage{overflow:hidden;touch-action:none}
.cropbox{position:absolute;border:2px solid var(--brand);box-shadow:0 0 0 9999px rgba(15,15,30,.45);cursor:move;touch-action:none}
.cropbox:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 50%,transparent)}
.cropbox .ch{position:absolute;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.cropbox .nw{left:-10px;top:-10px;cursor:nwse-resize} .cropbox .se{right:-10px;bottom:-10px;cursor:nwse-resize}
.cropbox .ne{right:-10px;top:-10px;cursor:nesw-resize} .cropbox .sw{left:-10px;bottom:-10px;cursor:nesw-resize}
@media (hover:none){.cropbox .ch{width:26px;height:26px}.cropbox .nw,.cropbox .sw{left:-14px}.cropbox .ne,.cropbox .se{right:-14px}.cropbox .nw,.cropbox .ne{top:-14px}.cropbox .sw,.cropbox .se{bottom:-14px}}
.fbottom .powered{font-size:12.5px;color:#8a8a9c}.fbottom .powered b{color:#c9c9d6;font-weight:700}