:root{--ink:#18221e;--muted:#66716b;--cream:#f8f6ef;--paper:#fffefa;--lime:#c9ef70;--orange:#ff7547;--line:#dfe3d9;--navy:#234a7e}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input{font:inherit}button,a{transition:.2s ease}a{color:inherit}.nav{height:72px;display:flex;align-items:center;justify-content:space-between;max-width:1160px;margin:auto;padding:0 24px}.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:800;font-size:21px;letter-spacing:-1px}.brand span{display:grid;place-items:center;background:var(--ink);color:var(--lime);width:28px;height:28px;border-radius:8px;font-size:17px}.nav nav{display:flex;gap:31px}.nav nav a{text-decoration:none;font-size:14px;color:#4d5852}.upgrade,.button{border:0;border-radius:999px;cursor:pointer;font-weight:700}.upgrade{background:var(--ink);color:#fff;padding:11px 18px;font-size:13px}.hero{max-width:1160px;margin:46px auto 62px;padding:20px 24px;display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:center}.eyebrow{letter-spacing:1.7px;font-size:11px;font-weight:800;color:#6b776d;margin:0 0 14px}.hero h1,.section-head h2,.flow h2,.privacy h2,.upgrade-band h2{font-size:clamp(42px,5.4vw,72px);line-height:.99;letter-spacing:-4px;margin:0;font-weight:800}.hero h1 em{font-family:Georgia,serif;font-weight:400;color:#eb6339}.lede{font-size:18px;line-height:1.55;color:var(--muted);max-width:560px;margin:24px 0}.hero-actions{display:flex;gap:13px;align-items:center}.button{padding:15px 22px}.primary{background:var(--ink);color:#fff;text-decoration:none}.quiet{background:transparent;color:var(--ink)}.quiet span{font-size:18px;margin-left:6px}.micro{font-size:12px;color:#778078;margin:20px 4px}.hero-card{background:#202d27;color:#f6f6ed;border-radius:18px;padding:21px;box-shadow:16px 19px 0 #dce7ba;transform:rotate(2deg)}.card-top{color:#c3d0c4;font-size:12px;border-bottom:1px solid #405048;padding-bottom:15px}.pulse{display:inline-block;width:8px;height:8px;background:var(--lime);border-radius:50%;margin-right:6px}.rule-line{background:#34423b;border-radius:10px;padding:13px;margin:17px 0;display:flex;flex-direction:column;gap:4px;font-size:12px}.rule-line span{color:#c4cec2}.file-row{display:flex;align-items:center;gap:10px;font-size:12px}.file-row small{display:block;color:#bac4b9;margin-top:3px}.file-icon,.ok{width:31px;height:35px;display:grid;place-items:center;border-radius:7px;background:#45554d;font-size:18px}.ok{background:#badf5d;color:#1e321c;width:28px;height:28px}.arrow{color:#a9b8aa}.ready{text-align:center;color:#d6fa82;font-size:13px;border-top:1px solid #405048;margin-top:16px;padding-top:15px}.trust{max-width:1160px;margin:0 auto;padding:20px 24px 72px;display:flex;justify-content:space-between;color:#627068;font-size:13px}.tools{padding:84px max(24px,calc((100% - 1112px)/2));background:#eff2e8}.section-head{max-width:570px}.section-head h2{font-size:clamp(38px,4.7vw,60px)}.section-head>p:last-child{color:var(--muted);line-height:1.5}.quick-rule{margin:35px 0 25px;background:var(--paper);border:1px solid var(--line);padding:20px;border-radius:14px;max-width:740px}.quick-rule label{display:block;font-size:14px;font-weight:750;margin-bottom:10px}.quick-rule div{display:flex}.quick-rule input{outline:0;border:1px solid #cdd5c8;border-radius:8px 0 0 8px;padding:13px 14px;flex:1;min-width:0}.quick-rule button{border:0;background:var(--ink);color:#fff;padding:0 18px;border-radius:0 8px 8px 0;cursor:pointer;font-weight:700}.quick-rule small{display:block;color:var(--muted);font-size:11px;margin-top:10px}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tool-card{min-height:257px;padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--paper);display:flex;flex-direction:column}.tool-card.featured{background:#d9f59a;border-color:#c6e682}.tool-icon{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:23px}.sun{background:#fff2bc}.blue{background:#dce8ff;color:#28528e}.coral{background:#ffddd2;color:#9c381e}.purple{background:#eadffc;color:#653c9f}.tool-card h3{margin:18px 0 7px;font-size:18px}.tool-card p{font-size:13px;line-height:1.45;color:var(--muted);margin:0}.tool-card button{margin-top:auto;padding:15px 0 0;text-align:left;border:0;background:none;font-size:13px;font-weight:800;cursor:pointer}.tool-card button span{float:right;font-size:17px}.flow{max-width:1112px;margin:auto;padding:100px 0}.flow h2{font-size:clamp(38px,4.5vw,58px)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;margin-top:53px}.steps i{font-style:normal;font-size:12px;font-weight:800;background:var(--lime);padding:8px;border-radius:6px}.steps h3{margin:21px 0 8px}.steps p{font-size:14px;line-height:1.5;color:var(--muted);max-width:260px}.privacy{background:#254e41;color:#f6f7e8;padding:84px max(24px,calc((100% - 1112px)/2));display:grid;grid-template-columns:1fr 1fr;gap:110px}.privacy h2{font-size:clamp(36px,4.4vw,56px)}.privacy>div:last-child{font-size:16px;line-height:1.6;padding-top:25px}.privacy .muted{color:#b6c8bc;font-size:13px}.upgrade-band{padding:76px max(24px,calc((100% - 1112px)/2));background:var(--orange);display:grid;grid-template-columns:1fr auto;gap:5px 70px;align-items:center}.upgrade-band h2{font-size:clamp(35px,4vw,54px)}.upgrade-band .eyebrow{color:#6f321e}.upgrade-band>div>p:last-child{max-width:500px;line-height:1.5}.light{background:#fff;color:var(--ink);white-space:nowrap}.upgrade-band small{grid-column:2;color:#743520;font-size:11px}.seo-slot{max-width:1112px;margin:auto;padding:30px 0;color:var(--muted);font-size:12px}.seo-slot a{color:#385a4c}.seo-slot small{display:block;margin-top:12px;color:#929a92}footer{max-width:1112px;margin:auto;border-top:1px solid var(--line);padding:30px 0 45px;display:flex;align-items:center;gap:28px;color:#687169;font-size:12px}footer p:last-child{margin-left:auto}dialog{border:0;border-radius:18px;padding:0;max-width:min(680px,calc(100vw - 28px));width:100%;box-shadow:0 20px 80px #14231a66}dialog::backdrop{background:#15241c99}.close{position:absolute;right:14px;top:10px;border:0;background:none;font-size:29px;color:#59655d;cursor:pointer}.modal{padding:36px}.modal h2{letter-spacing:-1.5px;font-size:30px;margin:0 0 5px}.modal .intro{color:var(--muted);margin:0 0 22px;line-height:1.5}.drop{border:2px dashed #bfc9b9;border-radius:12px;padding:27px;text-align:center;background:#fafcf7;cursor:pointer}.drop.drag{border-color:#4d7e3a;background:#f0fad8}.drop input{display:none}.drop b{display:block}.drop small{color:var(--muted);display:block;margin-top:6px}.settings{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}.settings label{font-size:12px;font-weight:700}.settings input,.settings select{display:block;width:100%;margin-top:5px;border:1px solid #ccd5c8;border-radius:7px;padding:10px;background:#fff}.action{width:100%;padding:13px;background:var(--ink);color:white;border:0;border-radius:8px;cursor:pointer;font-weight:800}.status{font-size:13px;color:var(--muted);margin:13px 0 0;min-height:18px}.files{margin:14px 0;padding:0;list-style:none}.files li{font-size:13px;padding:8px;background:#f2f5ee;border-radius:6px;margin:5px 0;display:flex;justify-content:space-between}.files button{border:0;background:transparent;color:#a13a22;cursor:pointer}.notice{background:#fff1c5;color:#69531c;padding:9px 10px;border-radius:7px;font-size:12px;margin:10px 0} .notice.compact{margin:7px 0 0;font-size:11px;padding:8px 9px}.crop-settings{margin:14px 0}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--ink);color:white;padding:12px 18px;border-radius:999px;font-size:13px;transition:.25s;z-index:5}#toast.show{transform:translateX(-50%) translateY(0)}
@media(max-width:760px){.nav{padding:0 16px}.nav nav{display:none}.upgrade{font-size:11px;padding:9px 11px}.hero{grid-template-columns:1fr;gap:38px;margin:23px auto 25px;padding:20px}.hero-card{max-width:400px;margin:auto}.trust{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:25px 20px 50px}.tools{padding:55px 20px}.tool-grid{grid-template-columns:1fr 1fr}.flow{padding:65px 20px}.steps{grid-template-columns:1fr;gap:23px;margin-top:36px}.privacy{grid-template-columns:1fr;gap:0;padding:60px 20px}.upgrade-band{grid-template-columns:1fr;padding:56px 20px}.upgrade-band small{grid-column:auto}.seo-slot{padding:28px 20px}footer{margin:0 20px;display:block}footer p:last-child{margin-top:25px}.settings{grid-template-columns:1fr}}
@media(max-width:420px){.tool-grid{grid-template-columns:1fr}.hero h1{letter-spacing:-2.8px}.file-row{gap:6px;font-size:10px}.hero-card{padding:16px}.nav{height:62px}}


/* Step 4: automatic document enhancement */
.enhancement-settings{margin:14px 0}
.enhancement-settings label{font-size:12px;font-weight:700}
.enhancement-settings select{display:block;width:100%;margin-top:5px;border:1px solid #ccd5c8;border-radius:7px;padding:10px;background:#fff}

/* Step 2: image preview system */
.image-preview{margin:18px 0 16px;border:1px solid var(--line);border-radius:13px;background:#f7f9f4;padding:14px;overflow:hidden}
.preview-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.preview-heading b{display:block;font-size:14px}
.preview-heading small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.preview-reset{border:1px solid #cbd4c8;background:#fff;color:#566159;border-radius:7px;padding:6px 9px;font-size:11px;font-weight:700;cursor:pointer}
.preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.preview-card{margin:0;min-width:0;border:1px solid #d9dfd6;border-radius:10px;overflow:hidden;background:#fff}
.preview-card.ready{border-color:#b9d68d;box-shadow:inset 0 0 0 1px #e6f3c9}
.preview-card figcaption{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:9px 10px;border-bottom:1px solid #e2e7df;font-size:11px;font-weight:800}
.preview-card figcaption small{font-size:10px;color:var(--muted);font-weight:600;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.preview-frame{height:245px;background:linear-gradient(45deg,#eef1eb 25%,transparent 25%),linear-gradient(-45deg,#eef1eb 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eef1eb 75%),linear-gradient(-45deg,transparent 75%,#eef1eb 75%);background-size:18px 18px;background-position:0 0,0 9px,9px -9px,-9px 0;display:grid;place-items:center;padding:10px}
.preview-frame img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block;box-shadow:0 5px 15px #14231a18;border-radius:3px;background:#fff}
.preview-stats{margin-top:10px;display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.preview-stats>div{background:#fff;border:1px solid #e0e5dd;border-radius:8px;padding:8px 9px;min-width:0}
.preview-stats span{display:block;color:var(--muted);font-size:10px;margin-bottom:3px}
.preview-stats b{display:block;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#downloadResult{margin-top:9px;background:#2f5e97}
#downloadResult:disabled{opacity:.5;cursor:not-allowed}
@media(max-width:560px){
  .preview-grid{grid-template-columns:1fr}
  .preview-frame{height:220px}
  .preview-stats{grid-template-columns:1fr 1fr}
  .preview-card.ready{order:2}
}


/* Step 5: mobile-first web experience */
html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-padding-top:72px;
}
body{
  overflow-x:hidden;
  -webkit-tap-highlight-color:transparent;
}
button,a,input,select{
  touch-action:manipulation;
}
@media(max-width:760px){
  .nav{
    min-height:64px;
    height:auto;
    padding:10px 16px;
    gap:12px;
  }
  .brand{font-size:19px}
  .brand span{width:27px;height:27px}
  .upgrade{
    min-height:42px;
    padding:9px 13px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    white-space:nowrap;
  }

  .hero{
    margin:16px auto 26px;
    padding:18px 18px 8px;
    gap:30px;
  }
  .hero h1{
    font-size:clamp(36px,10.5vw,58px);
    line-height:1.01;
    letter-spacing:-3px;
  }
  .lede{
    font-size:16px;
    line-height:1.5;
    margin:18px 0;
  }
  .hero-actions{
    flex-direction:column;
    align-items:stretch;
    gap:9px;
  }
  .hero-actions .button{
    width:100%;
    min-height:48px;
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .micro{
    margin:14px 2px 4px;
  }
  .hero-card{
    width:min(100%,420px);
    transform:none;
    box-shadow:10px 12px 0 #dce7ba;
  }

  .trust{
    grid-template-columns:1fr;
    gap:9px;
    padding:17px 18px 42px;
    font-size:12px;
  }
  .tools{
    padding:48px 18px 58px;
  }
  .section-head h2,
  .flow h2{
    letter-spacing:-2.5px;
  }
  .section-head h2{
    font-size:clamp(34px,9.4vw,52px);
  }

  .quick-rule{
    margin:27px 0 20px;
    padding:16px;
  }
  .quick-rule div{
    flex-direction:column;
    gap:8px;
  }
  .quick-rule input{
    min-height:48px;
    border-radius:8px;
    font-size:16px;
  }
  .quick-rule button{
    min-height:48px;
    border-radius:8px;
    width:100%;
  }

  .tool-grid{
    grid-template-columns:1fr;
    gap:11px;
  }
  .tool-card{
    min-height:0;
    padding:19px;
  }
  .tool-card h3{
    margin-top:15px;
  }
  .tool-card button{
    min-height:44px;
    padding-top:16px;
  }

  .ad-slot{
    margin-top:22px;
    padding:13px 15px;
  }

  .flow{
    padding:62px 18px 68px;
  }
  .steps{
    gap:29px;
    margin-top:31px;
  }
  .steps p{
    max-width:none;
  }

  .privacy{
    padding:54px 18px;
    gap:22px;
  }
  .privacy h2{
    font-size:clamp(34px,9vw,50px);
    letter-spacing:-2.5px;
  }
  .privacy>div:last-child{
    padding-top:0;
    font-size:15px;
  }

  .upgrade-band{
    padding:49px 18px;
    gap:22px;
  }
  .upgrade-band h2{
    letter-spacing:-2.5px;
  }
  .upgrade-band .light{
    width:100%;
    min-height:48px;
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .upgrade-band small{
    text-align:center;
  }

  .seo-slot{
    padding:24px 18px;
    line-height:1.5;
  }

  footer{
    margin:0 18px;
    padding:25px 0 34px;
  }
  footer .brand{
    display:inline-flex;
    margin-bottom:11px;
  }
  footer p{
    margin:7px 0;
  }
  footer p:last-child{
    margin-top:13px;
  }

  dialog{
    width:calc(100vw - 12px);
    max-width:none;
    max-height:calc(100dvh - 12px);
    margin:6px auto;
    border-radius:16px;
    overflow:hidden;
  }
  dialog::backdrop{
    background:#15241caa;
  }
  .modal{
    padding:54px 14px 18px;
    max-height:calc(100dvh - 12px);
    overflow:auto;
    -webkit-overflow-scrolling:touch;
    overscroll-behavior:contain;
  }
  .close{
    position:fixed;
    right:max(12px, env(safe-area-inset-right));
    top:max(8px, env(safe-area-inset-top));
    width:42px;
    height:42px;
    border-radius:999px;
    background:#fff;
    box-shadow:0 4px 16px #14231a20;
    display:grid;
    place-items:center;
    z-index:3;
  }
  .modal h2{
    font-size:26px;
    padding-right:42px;
    line-height:1.08;
  }
  .modal .intro{
    font-size:14px;
    margin-bottom:18px;
  }
  .drop{
    min-height:124px;
    padding:20px 14px;
    display:flex;
    flex-direction:column;
    justify-content:center;
  }
  .drop b{
    font-size:14px;
  }
  .drop small{
    line-height:1.4;
  }
  .settings{
    gap:10px;
    margin:13px 0;
  }
  .settings input,
  .settings select,
  .enhancement-settings select{
    min-height:45px;
    font-size:16px;
  }
  .action{
    min-height:48px;
    font-size:14px;
  }
  .files{
    margin:12px 0;
  }
  .files li{
    min-height:44px;
    align-items:center;
    gap:10px;
  }

  .image-preview{
    margin:16px 0 14px;
    padding:10px;
  }
  .preview-heading{
    align-items:flex-start;
  }
  .preview-reset{
    min-height:38px;
    padding:7px 10px;
  }
  .preview-frame{
    height:min(48vh,300px);
    min-height:170px;
  }
  .preview-card figcaption{
    min-height:40px;
    align-items:center;
  }
  .preview-stats{
    gap:6px;
  }
  .preview-stats>div{
    padding:8px;
  }
  .preview-stats b{
    font-size:11px;
  }

  .notice{
    line-height:1.45;
  }

  #toast{
    bottom:max(14px, env(safe-area-inset-bottom));
    width:calc(100vw - 28px);
    max-width:420px;
    text-align:center;
  }
}
@media(max-width:560px){
  .preview-grid{
    grid-template-columns:1fr;
  }
  .preview-card.ready{
    order:2;
  }
  .preview-frame{
    height:min(43vh,270px);
  }
  .preview-stats{
    grid-template-columns:1fr 1fr;
  }
}
@media(max-width:390px){
  .nav{
    padding-left:13px;
    padding-right:13px;
  }
  .brand{
    gap:6px;
    font-size:18px;
  }
  .upgrade{
    font-size:10px;
    padding:8px 10px;
  }
  .hero{
    padding-left:14px;
    padding-right:14px;
  }
  .tools,.flow,.privacy,.upgrade-band{
    padding-left:14px;
    padding-right:14px;
  }
  .modal{
    padding-left:12px;
    padding-right:12px;
  }
  .preview-frame{
    min-height:155px;
  }
  .preview-heading{
    gap:8px;
  }
  .preview-heading b{
    font-size:13px;
  }
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  button,a{transition:none}
  .hero-card{transform:none}
}

/* Step 6: clearer result and download experience */
.result-panel{
  margin:16px 0 4px;
  border:1px solid #b9d68d;
  border-radius:14px;
  padding:15px;
  background:linear-gradient(180deg,#f7fbe9 0%,#ffffff 100%);
  box-shadow:inset 0 0 0 1px #edf5d8;
}
.result-top{
  display:flex;
  align-items:flex-start;
  gap:11px;
}
.result-check{
  flex:0 0 30px;
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:var(--lime);
  color:#1f351d;
  font-size:17px;
  font-weight:900;
}
.result-top b{display:block;font-size:14px}
.result-top small{display:block;color:var(--muted);font-size:11px;line-height:1.4;margin-top:3px}
.result-file{
  margin:13px 0 12px;
  padding:10px;
  border:1px solid #e0e7d7;
  border-radius:10px;
  background:#fff;
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}
.result-file-icon{
  flex:0 0 34px;
  width:34px;
  height:34px;
  border-radius:9px;
  display:grid;
  place-items:center;
  background:#dce8ff;
  color:#28528e;
  font-size:18px;
  font-weight:800;
}
.result-file-copy{min-width:0}
.result-file-copy b{
  display:block;
  font-size:12px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.result-file-copy small{display:block;color:var(--muted);font-size:10px;margin-top:3px}
.result-actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(120px,.65fr);gap:8px;align-items:center}
.result-download{margin:0;background:#2f5e97;min-height:46px}
.result-download:hover{background:#274f80}
.result-edit{margin:0;background:#fff;color:var(--ink);border:1px solid #cbd4c8;min-height:46px}
.result-edit:hover{background:#f7f9f4}
.result-share,.result-link{
  border:0;
  background:transparent;
  cursor:pointer;
  font-weight:750;
  font-size:12px;
}
.result-share{grid-column:1 / -1;color:#2f5e97;text-align:center;padding:5px 4px}
.result-share:hover{text-decoration:underline}
.result-link{grid-column:1 / -1;color:#647068;text-align:center;padding:2px 4px}
.result-link:hover{color:var(--ink);text-decoration:underline}
.result-note{margin:8px 2px 0;color:var(--muted);font-size:10px;line-height:1.45;text-align:center}
.result-panel.downloaded{border-color:#a7c86f;background:linear-gradient(180deg,#f3f9e5 0%,#ffffff 100%)}
.result-panel.downloaded .result-note{color:#466138}
@media(max-width:560px){
  .result-actions{grid-template-columns:1fr}
  .result-share,.result-link{grid-column:auto}
  .result-file{padding:9px}
  .result-panel{padding:13px}
}

/* Step 7: post-download advertising placement */
.post-download-ad{
  width:100%;
  max-width:728px;
  margin:42px auto 4px;
  padding:18px 10px 8px;
  border-top:1px solid #dfe3d9;
  text-align:center;
}
.post-download-ad[hidden]{display:none}
.post-download-ad-label{
  margin-bottom:9px;
  color:#7b857e;
  font-size:9px;
  font-weight:800;
  letter-spacing:1.2px;
}
.post-download-ad-unit{
  width:100%;
  min-height:90px;
  display:grid;
  place-items:center;
  overflow:hidden;
}
.post-download-ad-unit .adsbygoogle{
  display:block;
  width:100%;
  min-width:280px;
  height:90px;
}
.post-download-ad-placeholder{
  width:100%;
  min-height:90px;
  display:grid;
  place-items:center;
  border:1px dashed #cfd6cc;
  border-radius:10px;
  background:#fafcf7;
  color:#8b938d;
  font-size:11px;
  line-height:1.4;
}
@media(max-width:560px){
  .post-download-ad{
    margin-top:40px;
    padding:18px 4px 6px;
  }
  .post-download-ad-unit,
  .post-download-ad-placeholder{
    min-height:100px;
  }
  .post-download-ad-unit .adsbygoogle{
    height:100px;
  }
}

.pdf-settings{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0}.pdf-settings label{font-size:12px;font-weight:700}.pdf-settings select{display:block;width:100%;margin-top:5px;border:1px solid #ccd5c8;border-radius:7px;padding:10px;background:#fff}.file-actions{display:flex;align-items:center;gap:3px}.files .file-actions button{min-width:28px;height:28px;padding:0;border-radius:6px;color:#526057;background:transparent}.files .file-actions button:hover:not([disabled]){background:#e5eadf}.files .file-actions button[disabled]{opacity:.32;cursor:default}
@media (max-width:700px){.pdf-settings{grid-template-columns:1fr 1fr}.file-actions{flex-shrink:0}.files li{gap:8px}.files li>span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}

.requirement-feedback{margin-top:12px;padding:10px 12px;border:1px solid #d7e4d0;border-radius:10px;background:#f4faef;display:flex;align-items:flex-start;gap:9px}.requirement-feedback[hidden]{display:none}.requirement-feedback.is-warn{background:#fff5db;border-color:#ead8a0}.requirement-badge{width:22px;height:22px;flex:0 0 22px;display:grid;place-items:center;border-radius:50%;background:#274d3d;color:#d9f59a;font-weight:900;font-size:12px}.requirement-feedback.is-warn .requirement-badge{background:#8b6a20;color:#fff}.requirement-feedback b{display:block;font-size:12px}.requirement-feedback small{display:block!important;margin-top:3px!important;color:#536059;font-size:11px!important;line-height:1.4}.requirement-feedback.is-warn small{color:#6e5a27}
@media(max-width:720px){.requirement-feedback{padding:10px}.requirement-feedback small{font-size:10.5px!important}}

/* Step 12: accessibility and resilience hardening */
:focus-visible{outline:3px solid #2f5e97;outline-offset:3px}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #2f5e97;outline-offset:2px}
.drop:focus-visible{border-color:#2f5e97;box-shadow:0 0 0 3px #dce8ff;background:#f7fbff}
.action:disabled,.tool-card button:disabled,.result-link:disabled,.result-share:disabled{cursor:not-allowed;opacity:.55}
.status.is-error{color:#a13a22;font-weight:700}
.files:empty{display:none}
@media(max-width:560px){
  .drop{outline-offset:1px}
  .status{line-height:1.45}
}
@media(prefers-contrast:more){
  .drop,.settings input,.settings select,.enhancement-settings select,.pdf-settings select{border-width:2px}
  .status.is-error{font-weight:800}
}
.skip-link{position:fixed;left:12px;top:8px;z-index:100;padding:10px 14px;border-radius:8px;background:var(--ink);color:#fff;text-decoration:none;font-weight:800;transform:translateY(-180%);transition:transform .2s ease}.skip-link:focus{transform:translateY(0)}
@media(prefers-reduced-motion:reduce){.skip-link{transition:none}}

/* Step 13: SEO / PWA / trust polish */
.nav-actions{display:flex;align-items:center;gap:9px}
.install-app{border:1px solid #c9d1c6;background:#fff;color:var(--ink);padding:9px 12px;border-radius:999px;cursor:pointer;font-size:12px;font-weight:800}
.install-app:hover{background:#f2f5ee}
.install-app:focus-visible{outline:3px solid #8db55c;outline-offset:2px}
@media(max-width:760px){
  .nav-actions{gap:7px}
  .install-app{font-size:11px;padding:8px 10px}
}
@media(max-width:420px){
  .install-app{display:none}
}

/* Step 14: optional analytics consent UI. Hidden unless analytics is explicitly enabled. */
.analytics-consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:1000;display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:900px;margin:0 auto;padding:16px 18px;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 50px rgba(24,34,30,.18)}
.analytics-consent strong{display:block;font-size:14px}.analytics-consent p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.45;max-width:620px}.analytics-consent-actions{display:flex;gap:8px;flex:0 0 auto}.analytics-consent-actions .button{padding:10px 14px;font-size:12px}
@media (max-width:700px){.analytics-consent{left:10px;right:10px;bottom:10px;display:block;padding:14px}.analytics-consent-actions{margin-top:12px}.analytics-consent-actions .button{flex:1}}


/* Step 15: production polish and final UX hardening */
html{scroll-padding-top:84px}
body{min-height:100dvh;overflow-x:hidden;-webkit-text-size-adjust:100%}
button,a,input,select{touch-action:manipulation}
.nav{
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(248,246,239,.94);
  border-bottom:1px solid rgba(223,227,217,.7);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
dialog{
  max-height:min(92dvh,760px);
  overflow-y:auto;
  overscroll-behavior:contain;
  scrollbar-gutter:stable;
}
dialog .modal{min-height:0}
.action,.result-download,.result-edit,.quick-rule button{min-height:44px}
.install-app,.upgrade,.button{min-height:44px}
.drop{min-height:108px;display:flex;flex-direction:column;justify-content:center}
.settings input,.settings select,.enhancement-settings select,.pdf-settings select,.quick-rule input{
  min-height:44px;
}
.flow,.privacy,.upgrade-band,.seo-slot{
  content-visibility:auto;
  contain-intrinsic-size:500px;
}
@media(max-width:760px){
  html{scroll-padding-top:70px}
  .nav{height:64px}
  .modal{padding-top:28px}
}
@media(max-width:560px){
  .settings input,.settings select,.enhancement-settings select,.pdf-settings select,.quick-rule input{
    font-size:16px;
  }
  .drop{min-height:116px}
  .result-actions{gap:10px}
  .files li{min-height:44px;padding:9px 10px}
  .files .file-actions button{min-width:36px;min-height:36px}
}
@media(prefers-reduced-transparency: reduce){
  .nav{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--cream)}
}

/* Step 17: secondary homepage ad placement. Kept in informational content,
   separated from tools and download controls. */
.homepage-ad{
  width:min(100% - 36px,1112px);
  margin:0 auto;
  padding:30px 10px 34px;
  text-align:center;
  border-top:1px solid var(--line);
}
.homepage-ad-label{
  margin-bottom:9px;
  color:#7b857e;
  font-size:9px;
  font-weight:800;
  letter-spacing:1.2px;
}
.homepage-ad-unit{
  width:100%;
  min-height:90px;
  display:grid;
  place-items:center;
  overflow:visible;
}
.homepage-ad-unit .adsbygoogle{
  display:block;
  width:100%;
  min-width:0;
  max-width:728px;
  margin:0 auto;
}
.homepage-ad-placeholder{
  width:100%;
  min-height:90px;
  display:grid;
  place-items:center;
  border:1px dashed #cfd6cc;
  border-radius:10px;
  background:#fafcf7;
  color:#8b938d;
  font-size:11px;
  line-height:1.4;
}
@media(max-width:560px){
  .homepage-ad{
    width:calc(100% - 32px);
    padding:26px 0 30px;
  }
  .homepage-ad-unit,
  .homepage-ad-placeholder{
    min-height:100px;
  }
}

/* Step 18: third homepage ad placement near helpful guides. */
.homepage-ad--lower{
  padding-top:18px;
}