:root{
  --accent:#0F6E5C;--accent-dark:#0A5546;--ink:#0B0C0E;
  --ink-2:#3D4248;--muted:#70767E;--line:#E3E2DE;--bg:#FFFFFF;
  --soft:#F7F6F3;--ok:#0F6E5C;--wrap:720px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink-2);font-size:16.5px;line-height:1.6;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;font-feature-settings:"kern" 1}
h1,h2,h3{color:var(--ink);line-height:1.15;letter-spacing:-.03em;font-weight:680}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent-dark)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:3px}
button,summary,label,[role="button"]{cursor:pointer}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:10px 14px;z-index:99}

/* header: a hairline rule, not a floating card */
.site-head{border-bottom:1px solid var(--line);background:var(--bg)}
.site-head .in{max-width:1060px;margin:0 auto;padding:0 22px;display:flex;
  align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:9px;font-weight:700;color:var(--ink);
  text-decoration:none;font-size:15.5px;letter-spacing:-.02em;min-height:52px}
.logo .mk{width:22px;height:22px;border-radius:4px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-size:10.5px;font-weight:700;flex:none;
  letter-spacing:0}
.site-nav{display:flex;gap:22px;flex-wrap:wrap}
.site-nav a{color:var(--ink-2);text-decoration:none;font-size:14.5px;font-weight:500;
  display:inline-flex;align-items:center;min-height:52px;border-bottom:2px solid transparent;
  margin-bottom:-1px}
.site-nav a:hover{color:var(--ink)}
.site-nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--ink)}

main{padding:0 0 10px}
.crumbs{font-size:13px;color:var(--muted);margin:26px 0 18px;font-family:var(--mono)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--ink)}
h1{font-size:clamp(28px,4.6vw,40px);margin:0 0 12px}
.lead{font-size:18px;color:var(--ink-2);margin:0 0 24px;max-width:58ch}
h2{font-size:21px;margin:40px 0 10px}
h3{font-size:17px;margin:22px 0 8px}
p{max-width:68ch}

/* hero: left-aligned, flat. No gradient, no centred marketing block. */
.hero{border-bottom:1px solid var(--line);padding:56px 0 42px;background:var(--soft)}
.hero h1{font-size:clamp(30px,5.2vw,46px);margin:0 0 14px;max-width:16ch}
.hero .lead{margin:0 0 20px}
@media(max-width:560px){.hero{padding:36px 0 30px}}

/* the privacy claim as a stated fact, not a badge */
.priv{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--accent);
  font-weight:600;margin:0 0 22px;font-family:var(--mono);letter-spacing:-.01em}
.priv svg{width:15px;height:15px;flex:none}

/* tool panel */
.tool{border:1px solid var(--line);border-radius:6px;padding:26px;background:var(--bg)}
.drop{border:1px dashed var(--line);border-radius:4px;padding:36px 20px;text-align:center;
  background:var(--soft)}
.drop.over{border-color:var(--ink);background:#EFEEE9}
.drop p{margin:12px auto 0;color:var(--muted);font-size:13.5px;max-width:34ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--ink);color:#fff;border:1px solid var(--ink);border-radius:4px;
  padding:12px 22px;font-size:15px;font-weight:600;font-family:inherit;min-height:46px;
  letter-spacing:-.01em;transition:opacity .12s}
.btn:hover{opacity:.86}
.btn:disabled{background:var(--muted);border-color:var(--muted);cursor:not-allowed;
  opacity:1}
.btn-2{background:var(--bg);color:var(--ink);border-color:var(--line)}
.btn-2:hover{border-color:var(--ink);opacity:1}
.row{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px;align-items:center}
.files{list-style:none;padding:0;margin:18px 0 0}
.files li{display:flex;align-items:center;gap:12px;padding:10px 0;
  border-bottom:1px solid var(--line);font-size:14.5px}
.files li:first-child{border-top:1px solid var(--line)}
.files .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--ink)}
.files .sz{color:var(--muted);font-size:12.5px;font-family:var(--mono);flex:none}
.files button{border:0;background:none;color:var(--muted);font-size:18px;line-height:1;
  padding:4px 6px;min-height:36px}
.files button:hover{color:var(--ink)}
.field{margin-top:20px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);
  margin-bottom:7px;text-transform:uppercase;letter-spacing:.05em}
.field input[type=number],.field input[type=text],.field select,.field textarea{width:100%;
  padding:11px 13px;font-size:15.5px;border:1px solid var(--line);border-radius:4px;
  font-family:inherit;color:var(--ink);background:var(--bg)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;
  border-color:var(--ink);box-shadow:0 0 0 3px rgba(11,12,14,.07)}
.field input[type=range]{width:100%;min-height:44px;accent-color:var(--ink)}
.hint{font-size:13px;color:var(--muted);margin:7px 0 0;max-width:52ch}
.status{margin-top:18px;font-size:14px;color:var(--ink-2);min-height:21px;
  font-family:var(--mono)}
.status.err{color:#A32015}
.status.ok{color:var(--accent);font-weight:600}
.grid2{display:grid;gap:14px;grid-template-columns:1fr 1fr}
@media(max-width:520px){.grid2{grid-template-columns:1fr}}

/* tool index: a dense list with hairlines, not a grid of identical cards */
.cards{list-style:none;padding:0;margin:14px 0 0;border-top:1px solid var(--line)}
.cards a{display:flex;align-items:baseline;gap:14px;padding:15px 2px;
  border-bottom:1px solid var(--line);text-decoration:none;transition:padding-left .12s}
.cards a:hover{padding-left:7px}
.cards a:hover .n{color:var(--accent)}
.cards .ic{display:none}
.cards .tx{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;min-width:0}
.cards .n{font-weight:650;color:var(--ink);font-size:16px;letter-spacing:-.015em;
  flex:none}
.cards .d{font-size:14px;color:var(--muted);line-height:1.45}
@media(max-width:560px){
  .cards .tx{flex-direction:column;gap:3px}
}

.sec-head{display:flex;align-items:baseline;gap:11px;margin:44px 0 0}
.sec-head .ic{width:16px;height:16px;color:var(--muted);align-self:center}
.sec-head h2{margin:0;font-size:15px;text-transform:uppercase;letter-spacing:.07em;
  font-weight:700}
.sec-head a{margin-left:auto;font-size:13px;font-weight:600;white-space:nowrap;
  font-family:var(--mono)}
.sec-sub{color:var(--muted);font-size:14.5px;margin:7px 0 0}

.faq details{border-bottom:1px solid var(--line)}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{padding:15px 0;font-weight:620;color:var(--ink);font-size:15.5px;
  list-style:none;min-height:44px;display:flex;align-items:center;gap:12px;
  letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";margin-left:auto;color:var(--muted);font-weight:400;
  font-size:19px;font-family:var(--mono)}
.faq details[open] summary::after{content:"‘2"}
.faq .a{padding:0 0 16px;font-size:15px;color:var(--ink-2)}
.faq .a p{margin:0;max-width:66ch}

.site-foot{border-top:1px solid var(--line);margin-top:64px;padding:28px 0 36px;
  font-size:14px;color:var(--muted)}
.site-foot .in{max-width:1060px;margin:0 auto;padding:0 22px}
.site-foot nav{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:14px}
.site-foot a{color:var(--ink-2);text-decoration:none}
.site-foot a:hover{color:var(--ink)}
.site-foot p{margin:4px 0;max-width:62ch}
.ad-slot{margin:30px 0;min-height:1px}
ol,ul{max-width:66ch}
ol li,ul li{margin:7px 0}
@media(max-width:640px){
  body{font-size:16px}
  .tool{padding:18px}
  .site-nav{gap:16px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

.tabs{display:flex;gap:0;border-bottom:1px solid var(--line);margin:-4px 0 22px}
.tab{background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;
  padding:10px 16px;font-size:14.5px;font-weight:600;color:var(--muted);
  font-family:inherit;min-height:44px;letter-spacing:-.01em}
.tab.on{color:var(--ink);border-bottom-color:var(--ink)}
.acts{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}
.tstats{display:flex;gap:26px;flex-wrap:wrap;margin-top:14px;padding:13px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tstats div{display:flex;flex-direction:column;gap:1px}
.tstats b{font-size:19px;color:var(--ink);font-variant-numeric:tabular-nums;
  letter-spacing:-.02em}
.tstats span{font-size:12px;color:var(--muted);font-family:var(--mono)}
#pane-text textarea{font-size:15.5px;line-height:1.6;resize:vertical}

:root{
  --c-pdf:#F43F5E;--c-image:#8B5CF6;--c-text:#06B6D4;
  --c-pdf-soft:#FFF1F3;--c-image-soft:#F5F3FF;--c-text-soft:#ECFEFF;
}

/* animated mesh behind the hero. Transform/opacity only, so it is composited
   on the GPU and never triggers layout. */
.hero{position:relative;overflow:hidden;background:#FDFCFB}
.hero::before,.hero::after{
  content:"";position:absolute;width:52vw;height:52vw;max-width:620px;max-height:620px;
  border-radius:50%;filter:blur(72px);opacity:.5;pointer-events:none;z-index:0}
.hero::before{background:radial-gradient(circle,var(--c-image),transparent 68%);
  top:-20%;right:-8%;animation:drift1 22s ease-in-out infinite}
.hero::after{background:radial-gradient(circle,var(--c-text),transparent 68%);
  bottom:-32%;left:-10%;animation:drift2 27s ease-in-out infinite}
.hero .wrap{position:relative;z-index:1}
@keyframes drift1{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(-7%,7%,0) scale(1.12)}}
@keyframes drift2{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(8%,-6%,0) scale(1.1)}}

/* gradient headline */
.hero h1{background:linear-gradient(104deg,#0B0C0E 28%,var(--c-image) 64%,var(--c-pdf));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* entrance: content settles in rather than snapping */
.rise{animation:rise .6s cubic-bezier(.22,1,.36,1) both}
.rise:nth-child(2){animation-delay:.06s}
.rise:nth-child(3){animation-delay:.12s}
@keyframes rise{from{opacity:0;transform:translate3d(0,14px,0)}to{opacity:1;transform:none}}

/* category colour on section heads and rows */
.sec-head.pdf .ic{color:var(--c-pdf)} .sec-head.image .ic{color:var(--c-image)}
.sec-head.text .ic{color:var(--c-text)}
.sec-head h2{position:relative;padding-left:0}
.cards.pdf a:hover{background:var(--c-pdf-soft)}
.cards.image a:hover{background:var(--c-image-soft)}
.cards.text a:hover{background:var(--c-text-soft)}
.cards.pdf a:hover .n{color:var(--c-pdf)}
.cards.image a:hover .n{color:var(--c-image)}
.cards.text a:hover .n{color:var(--c-text)}
.cards a{position:relative;border-radius:8px;padding-left:12px;padding-right:12px;
  transition:background .18s ease,transform .18s cubic-bezier(.22,1,.36,1)}
.cards a::before{content:"";position:absolute;left:0;top:10%;height:80%;width:3px;
  border-radius:3px;background:currentColor;opacity:0;transform:scaleY(.4);
  transition:opacity .18s,transform .18s}
.cards.pdf a::before{color:var(--c-pdf)}
.cards.image a::before{color:var(--c-image)}
.cards.text a::before{color:var(--c-text)}
.cards a:hover{transform:translate3d(5px,0,0)}
.cards a:hover::before{opacity:1;transform:scaleY(1)}

/* tool panel picks up its category colour */
.tool{position:relative;overflow:hidden}
.tool::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--c-pdf),var(--c-image),var(--c-text));
  background-size:200% 100%;animation:slide 9s linear infinite}
@keyframes slide{to{background-position:-200% 0}}

/* drop zone reacts */
.drop{position:relative;transition:border-color .2s,background .2s,transform .2s}
.drop:hover{border-color:var(--c-image);background:#FAF9FF}
.drop.over{border-color:var(--c-image);background:var(--c-image-soft);
  transform:scale(1.012);border-style:solid}
.drop.over::after{content:"";position:absolute;inset:-3px;border-radius:6px;
  border:2px solid var(--c-image);animation:pulse 1.1s ease-out infinite}
@keyframes pulse{0%{opacity:.7;transform:scale(1)}100%{opacity:0;transform:scale(1.03)}}

/* buttons: colour + press feedback */
.btn{background:linear-gradient(135deg,#17181C,#0B0C0E);position:relative;
  transition:transform .14s cubic-bezier(.22,1,.36,1),box-shadow .18s,filter .18s}
.btn:hover{transform:translateY(-1.5px);box-shadow:0 8px 20px -10px rgba(11,12,14,.55);
  filter:brightness(1.12)}
.btn:active{transform:translateY(0) scale(.985)}
.btn-2{background:#fff;color:var(--ink)}
.btn-2:hover{border-color:var(--c-image);color:var(--c-image);box-shadow:none;
  background:var(--c-image-soft)}
.acts .btn:nth-child(3n+1):hover{box-shadow:0 8px 20px -10px var(--c-pdf)}
.acts .btn:nth-child(3n+2):hover{box-shadow:0 8px 20px -10px var(--c-image)}
.acts .btn:nth-child(3n):hover{box-shadow:0 8px 20px -10px var(--c-text)}

/* files appear one by one */
.files li{animation:slideIn .32s cubic-bezier(.22,1,.36,1) both}
@keyframes slideIn{from{opacity:0;transform:translate3d(-8px,0,0)}to{opacity:1;transform:none}}

/* a finished job should feel finished */
.status.ok{animation:pop .4s cubic-bezier(.22,1,.36,1)}
@keyframes pop{0%{opacity:0;transform:translate3d(0,6px,0)}60%{transform:translate3d(0,-2px,0)}
  100%{opacity:1;transform:none}}
.status.err{animation:shake .36s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}
  75%{transform:translateX(5px)}}

/* tabs */
.tab{position:relative;transition:color .18s}
.tab.on{color:var(--ink)}
.tab::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--c-image),var(--c-text));
  transform:scaleX(0);transform-origin:left;transition:transform .26s cubic-bezier(.22,1,.36,1)}
.tab.on::after{transform:scaleX(1)}
.tab.on{border-bottom-color:transparent}

/* privacy line gets a gentle heartbeat */
.priv svg{animation:beat 3.4s ease-in-out infinite}
@keyframes beat{0%,88%,100%{transform:scale(1)}92%{transform:scale(1.16)}}

/* text stats count area */
.tstats b{background:linear-gradient(135deg,var(--c-image),var(--c-text));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* nobody should be forced to watch any of this */
@media (prefers-reduced-motion:reduce){
  .hero::before,.hero::after,.tool::before,.priv svg{animation:none}
  .rise,.files li,.status.ok,.status.err{animation:none}
  *{transition-duration:.01ms!important}
}

/* tool cards: icon tile + text, with depth */
.cards{border-top:0;display:grid;gap:11px;
  grid-template-columns:repeat(auto-fill,minmax(248px,1fr))}
.cards a{display:flex;align-items:flex-start;gap:13px;padding:16px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  box-shadow:0 1px 2px rgba(11,12,14,.04);
  transition:transform .2s cubic-bezier(.22,1,.36,1),box-shadow .2s,border-color .2s}
.cards a::before{display:none}
.cards a:hover{transform:translate3d(0,-3px,0);border-color:transparent;
  box-shadow:0 14px 30px -14px rgba(11,12,14,.3)}
.cards .ti{width:19px;height:19px;flex:none}
.tile{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  flex:none;transition:transform .2s cubic-bezier(.22,1,.36,1)}
.cards a:hover .tile{transform:scale(1.08) rotate(-4deg)}
.cards.pdf .tile{background:var(--c-pdf-soft);color:var(--c-pdf)}
.cards.image .tile{background:var(--c-image-soft);color:var(--c-image)}
.cards.text .tile{background:var(--c-text-soft);color:var(--c-text)}
.cards .tx{display:flex;flex-direction:column;gap:3px}
.cards .n{font-size:15.5px}
.cards .d{font-size:13.5px}

/* stat strip */
.strip{display:grid;gap:11px;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));
  margin:26px 0 0}
.strip div{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff}
.strip b{display:block;font-size:25px;letter-spacing:-.03em;line-height:1.1;
  background:linear-gradient(135deg,var(--c-image),var(--c-text));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums}
.strip span{font-size:12.5px;color:var(--muted);font-family:var(--mono)}

/* the diagram */
.howfig{margin:22px 0 0;padding:22px;border:1px solid var(--line);border-radius:14px;
  background:linear-gradient(170deg,#FCFCFE,#fff);overflow-x:auto}
.how{width:100%;min-width:480px;height:auto}
.how rect{fill:#fff;stroke:var(--line);stroke-width:1.5}
.how .box-good{stroke:var(--c-text);fill:var(--c-text-soft)}
.how .lbl{font:600 11px var(--mono);fill:var(--muted);letter-spacing:.06em;
  text-transform:uppercase}
.how .in{font:500 12.5px system-ui;fill:var(--ink);text-anchor:middle}
.how .cap{font:400 11.5px var(--mono);fill:var(--muted);text-anchor:middle}
.how .row-bad .cap{text-anchor:middle}
.how .cap-good{font:600 12px var(--mono);fill:var(--c-text)}
.how .row-good .cap,.how .cap-good{text-anchor:start}
.how .line-bad{stroke:var(--c-pdf);stroke-width:1.6;color:var(--c-pdf);
  stroke-dasharray:4 3;animation:flow 1.4s linear infinite}
@keyframes flow{to{stroke-dashoffset:-14}}
.how .line-dead{stroke:var(--line);stroke-width:1.6;stroke-dasharray:4 3}
.how .nope circle{fill:#fff;stroke:var(--muted);stroke-width:1.5}
.how .nope path{stroke:var(--muted);stroke-width:1.7;stroke-linecap:round}

/* drop zone gets a mark */
.dropicon{width:30px;height:30px;margin:0 auto 14px;color:var(--c-image);display:block}

@media (prefers-reduced-motion:reduce){
  .how .line-bad{animation:none}
  .cards a:hover{transform:none}
  .cards a:hover .tile{transform:none}
}