/* ===================================================
   PDF Tool Website — praveshsinghal.com style
   Minimal black & white, fast, no-framework CSS
   =================================================== */

:root{
  --black:#101010;
  --dark:#1a1a1a;
  --gray-900:#222;
  --gray-700:#4a4a4a;
  --gray-500:#767676;
  --gray-300:#d8d8d8;
  --gray-100:#f5f5f5;
  --white:#ffffff;
  --accent:#000000;
  --success:#1a7f37;
  --danger:#c0392b;
  --radius:10px;
  --shadow:0 2px 18px rgba(0,0,0,.07);
  --maxw:1180px;
  --font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-head:'Poppins',var(--font-body);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--gray-900);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.25;margin:0 0 .6em}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Skip link ---------- */
.skip-link{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:10px 16px;z-index:999}
.skip-link:focus{left:10px;top:10px}

/* ---------- Header ---------- */
.site-header{border-bottom:1px solid var(--gray-300);position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:var(--maxw);margin:0 auto}
.logo-link{display:flex;align-items:center;gap:10px}
.logo-link img{height:46px;width:auto}
.main-nav ul{list-style:none;display:flex;gap:34px;margin:0;padding:0}
.main-nav a{font-weight:600;font-size:15px;letter-spacing:.2px;position:relative;padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--black);transition:width .2s}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.nav-toggle{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--black)}

@media(max-width:760px){
  .nav-toggle{display:block;position:relative;z-index:201}
  .main-nav{position:fixed;inset:64px 0 0 0;background:#fff;transform:translateX(100%);transition:transform .25s ease;overflow:auto;z-index:200;visibility:hidden}
  .main-nav.open{transform:translateX(0);visibility:visible}
  .main-nav ul{flex-direction:column;gap:0;padding:10px 24px}
  .main-nav li{border-bottom:1px solid var(--gray-100)}
  .main-nav a{display:block;padding:16px 0}
  body.nav-open{overflow:hidden}
}

/* ---------- Hero ---------- */
.hero{padding:64px 0 40px;text-align:center}
.hero h1{font-size:clamp(28px,4.4vw,44px);margin-bottom:14px}
.hero p{color:var(--gray-700);font-size:18px;max-width:680px;margin:0 auto 10px}
.hero .sub{color:var(--gray-500);font-size:15px}

/* ---------- Search box on home ---------- */
.tool-search{max-width:520px;margin:26px auto 0}
.tool-search input{width:100%;padding:14px 18px;border:1px solid var(--gray-300);border-radius:30px;font-size:15px;outline:none}
.tool-search input:focus{border-color:var(--black)}

/* ---------- Tool grid ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;padding:10px 0 60px}
.tool-card{border:1px solid var(--gray-300);border-radius:var(--radius);padding:22px 20px;transition:box-shadow .2s,transform .2s,border-color .2s;background:var(--white)}
.tool-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--black)}
.tool-card .icon{font-size:28px;margin-bottom:10px}
.tool-card h3{font-size:17px;margin-bottom:6px}
.tool-card p{font-size:13.5px;color:var(--gray-500);margin:0}
.category-label{text-transform:uppercase;font-size:12.5px;letter-spacing:1.4px;color:var(--gray-500);font-weight:700;margin:34px 0 14px}

/* ---------- Sections ---------- */
section.block{padding:48px 0}
.block h2{font-size:clamp(22px,3vw,30px);text-align:center;margin-bottom:34px}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:26px}
.feature{text-align:center;padding:14px}
.feature .icon{font-size:30px;margin-bottom:10px}
.feature h4{font-size:16px}
.feature p{font-size:13.5px;color:var(--gray-500)}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px;counter-reset:step}
.step{border:1px solid var(--gray-300);border-radius:var(--radius);padding:22px;position:relative}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-14px;left:20px;background:var(--black);color:#fff;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.step h4{margin-top:6px}

.faq details{border-bottom:1px solid var(--gray-300);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:15.5px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq p{margin-top:10px;color:var(--gray-700);font-size:14.5px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--black);color:#fff;border:none;padding:13px 28px;border-radius:30px;font-weight:600;font-size:15px;cursor:pointer;transition:opacity .2s}
.btn:hover{opacity:.85}
.btn.secondary{background:#fff;color:var(--black);border:1.5px solid var(--black)}
.btn.block-btn{width:100%;justify-content:center}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.small{padding:9px 16px;font-size:13px;border-radius:20px}

/* ---------- Tool page ---------- */
.tool-page-hero{padding:40px 0 10px;text-align:center}
.tool-page-hero .icon-lg{font-size:44px}
.tool-page-hero h1{font-size:clamp(24px,4vw,34px)}
.tool-page-hero p{color:var(--gray-700)}

.dropzone{max-width:760px;margin:26px auto;border:2.5px dashed var(--gray-300);border-radius:16px;padding:50px 24px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s}
.dropzone:hover,.dropzone.dragover{border-color:var(--black);background:var(--gray-100)}
.dropzone .icon{font-size:42px;margin-bottom:12px}
.dropzone h3{margin-bottom:6px}
.dropzone p{color:var(--gray-500);font-size:13.5px;margin-bottom:16px}
.dropzone input[type=file]{display:none}

.file-list{max-width:760px;margin:0 auto 20px}
.file-item{display:flex;align-items:center;gap:12px;border:1px solid var(--gray-300);border-radius:8px;padding:10px 14px;margin-bottom:8px;background:#fff}
.file-item .name{flex:1;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-item .size{font-size:12px;color:var(--gray-500)}
.file-item button{background:none;border:none;color:var(--danger);cursor:pointer;font-size:16px}
.file-item.dragging{opacity:.5}

.tool-actions{max-width:760px;margin:20px auto;text-align:center}
.progress-wrap{max-width:760px;margin:16px auto;display:none}
.progress-bar-bg{background:var(--gray-100);border-radius:20px;height:10px;overflow:hidden}
.progress-bar{height:100%;width:0%;background:var(--black);transition:width .25s}
.progress-label{font-size:13px;color:var(--gray-500);margin-top:6px;text-align:center}

.result-box{max-width:760px;margin:20px auto;text-align:center;border:1px solid var(--gray-300);border-radius:var(--radius);padding:30px 20px;display:none}
.result-box .icon{font-size:38px;color:var(--success);margin-bottom:10px}
.share-row{display:flex;justify-content:center;gap:12px;margin-top:16px;flex-wrap:wrap}
.share-row a{border:1px solid var(--gray-300);border-radius:20px;padding:8px 16px;font-size:13px;display:flex;align-items:center;gap:6px}
.share-row a:hover{border-color:var(--black)}

.privacy-note{max-width:760px;margin:10px auto 40px;text-align:center;font-size:12.5px;color:var(--gray-500)}

.options-row{max-width:760px;margin:0 auto 10px;display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.options-row label{font-size:13.5px;display:flex;align-items:center;gap:6px;border:1px solid var(--gray-300);padding:8px 14px;border-radius:20px}

/* related tools */
.related-tools{padding:30px 0 50px}
.related-tools h2{text-align:center;font-size:20px;margin-bottom:20px}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-size:12.5px;color:var(--gray-500);padding:14px 0 0}
.breadcrumb a{color:var(--gray-500)}
.breadcrumb a:hover{color:var(--black)}

/* ---------- Static content pages ---------- */
.page-content{max-width:820px;margin:0 auto;padding:40px 0 70px}
.page-content h1{font-size:clamp(26px,4vw,36px);margin-bottom:18px}
.page-content h2{font-size:21px;margin:34px 0 12px}
.page-content ul{padding-left:20px}
.page-content li{margin-bottom:6px}
.page-content .updated{color:var(--gray-500);font-size:13px;margin-bottom:26px}

/* ---------- Contact form ---------- */
.contact-form{max-width:560px;margin:0 auto}
.contact-form label{display:block;font-size:13.5px;font-weight:600;margin:14px 0 6px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border:1px solid var(--gray-300);border-radius:8px;font-family:inherit;font-size:14.5px;outline:none}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--black)}
.contact-form textarea{min-height:130px;resize:vertical}

/* ---------- Footer (matches reference: centered, minimal, • separated) ---------- */
.site-footer{border-top:1px solid var(--gray-300);margin-top:40px;padding:34px 0;text-align:center;background:var(--gray-100)}
.footer-links{margin-bottom:10px;font-size:13.5px}
.footer-links a{margin:0 8px}
.footer-links a:hover{text-decoration:underline}
.footer-social{margin-bottom:14px}
.footer-social a{margin:0 8px;font-size:16px}
.footer-copy{font-size:12.5px;color:var(--gray-500)}
.footer-copy a{color:var(--gray-500);text-decoration:underline}

/* ---------- misc ---------- */
.badge{display:inline-block;background:var(--gray-100);border:1px solid var(--gray-300);border-radius:20px;padding:4px 12px;font-size:11.5px;font-weight:600;margin-bottom:12px;letter-spacing:.3px}
.trust-strip{display:flex;justify-content:center;gap:34px;flex-wrap:wrap;padding:18px 0;color:var(--gray-500);font-size:12.5px}
.trust-strip span{display:flex;align-items:center;gap:6px}
noscript.ns-warning{display:block;background:#fff3cd;color:#664d03;text-align:center;padding:10px;font-size:13px}

/* ---------- New tool controls: Crop / Sign / Edit / Compare ---------- */
.crop-controls, .sign-controls, .edit-controls{border:1px solid var(--gray-300);border-radius:var(--radius);padding:20px;margin:18px 0;background:var(--gray-100)}
.crop-field{display:block;margin:12px 0;font-size:14px;font-weight:600}
.crop-field input[type=range]{width:100%;margin-top:6px}
.hint{color:var(--gray-500);font-size:13px;margin:6px 0}

.sig-pad{width:100%;max-width:500px;height:180px;border:1.5px dashed var(--gray-300);border-radius:8px;background:#fff;touch-action:none;cursor:crosshair;display:block;margin:10px 0}
.sig-actions{margin-bottom:14px}
.sig-place-row{display:flex;gap:20px;flex-wrap:wrap;font-size:14px;font-weight:600}
.sig-place-row label{display:flex;flex-direction:column;gap:6px}
.sig-place-row select, .sig-place-row input{padding:8px;border:1px solid var(--gray-300);border-radius:6px;font:inherit}

.btn-secondary{background:#fff;border:1.5px solid var(--gray-300);border-radius:30px;padding:9px 18px;font-weight:600;cursor:pointer}
.btn-secondary:hover{border-color:var(--black)}

.edit-toolbar{display:flex;gap:18px;flex-wrap:wrap;align-items:center;font-size:14px;font-weight:600;margin-bottom:14px}
.edit-toolbar input{padding:7px;border:1px solid var(--gray-300);border-radius:6px;font:inherit}
.edit-canvas-wrap{overflow:auto;border:1px solid var(--gray-300);border-radius:8px;background:#fff}
#editCanvas{display:block;cursor:crosshair;max-width:100%}

.compare-dropzones{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
@media(max-width:700px){.compare-dropzones{grid-template-columns:1fr}}
.compare-file-name{font-size:13px;color:var(--gray-500);margin-top:8px;text-align:center}
.compare-row{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--gray-300)}
.compare-row.differs{background:#fff7f5}
.compare-col{display:flex;justify-content:center}
.compare-col canvas{max-width:100%;border:1px solid var(--gray-300);border-radius:6px}
.compare-label{font-size:13px;font-weight:700;white-space:nowrap;color:var(--gray-700)}
.compare-row.differs .compare-label{color:var(--danger)}
.missing-page{color:var(--gray-500);font-size:13px;padding:30px;border:1px dashed var(--gray-300);border-radius:6px}

/* ---------- API-powered tool notices ---------- */
.api-notice{background:#fff7ec;border:1px solid #f0d9a6;border-radius:var(--radius);padding:16px 18px;margin:18px 0;font-size:14px;color:#7a5b00;display:none}
.password-row{margin:16px 0}
.password-row input{padding:12px 14px;border:1px solid var(--gray-300);border-radius:8px;font:inherit;width:100%;max-width:320px}
.password-row label{font-weight:600;font-size:14px;display:block;margin-bottom:8px}

/* ---------- Blog ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;padding:10px 0 40px}
.blog-card{border:1px solid var(--gray-300);border-radius:var(--radius);overflow:hidden;background:#fff;transition:box-shadow .2s,transform .2s}
.blog-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.blog-card .blog-card-body{padding:20px}
.blog-card .blog-cat{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--gray-500)}
.blog-card h3{margin:8px 0 6px;font-size:19px}
.blog-card p{color:var(--gray-700);font-size:14px;margin-bottom:0}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.75}
.article-body h2{margin-top:1.6em}
.article-body ul, .article-body ol{padding-left:1.3em}
.article-meta{color:var(--gray-500);font-size:14px;margin-bottom:30px}