:root{--ink:#17201d;--muted:#66716d;--paper:#f5f3ec;--card:#fffefa;--green:#176b52;--lime:#c9f560;--line:#dedfd7;--danger:#a53c35}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Vazirmatn",Tahoma,sans-serif;min-height:100vh;overflow-x:hidden}
.ambient{position:fixed;border-radius:50%;filter:blur(2px);opacity:.35;z-index:-1}
.ambient-one{width:420px;height:420px;background:#dceda7;top:-220px;left:-160px}
.ambient-two{width:330px;height:330px;background:#b8ddd1;right:-190px;top:42%}
.nav{height:82px;max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 28px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-weight:800;font-size:18px;line-height:1.05}
.brand small{display:block;font-size:9px;letter-spacing:2px;color:var(--muted);font-weight:500;margin-top:5px}
.brand-mark{display:grid;place-items:center;width:39px;height:39px;background:var(--green);color:#fff;border-radius:12px 4px 12px 4px;font-size:20px}
.privacy{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}.privacy i{width:7px;height:7px;border-radius:9px;background:#4ba179;box-shadow:0 0 0 4px #d8eadf}
main{max-width:1050px;margin:0 auto;padding:45px 28px 70px}
.hero{text-align:center;max-width:740px;margin:0 auto 34px}
.eyebrow{font-size:12px;font-weight:700;color:var(--green);letter-spacing:.5px;margin-bottom:13px}
h1{font-size:clamp(40px,6vw,72px);line-height:1.11;margin:0;font-weight:800;letter-spacing:-2.5px}
h1 em{font-style:normal;color:var(--green);position:relative}
h1 em:after{content:"";position:absolute;right:4%;left:4%;bottom:2px;height:8px;background:var(--lime);z-index:-1;transform:rotate(-1deg)}
.hero p{font-size:15px;color:var(--muted);max-width:630px;margin:22px auto;line-height:2}
.workspace{max-width:800px;margin:0 auto}
#upload-form,.progress-panel,.result,.error{background:rgba(255,254,250,.92);border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:0 18px 55px rgba(37,54,47,.07)}
.dropzone{min-height:235px;border:1.5px dashed #b7bdb5;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:.25s;background:linear-gradient(145deg,rgba(255,255,255,.25),rgba(232,239,226,.25))}
.dropzone:hover,.dropzone.dragging{border-color:var(--green);background:#f3f8ed;transform:translateY(-2px)}
.dropzone input{display:none}.upload-icon{width:54px;height:54px;border-radius:18px;background:var(--ink);display:grid;place-items:center;margin-bottom:17px;box-shadow:0 8px 20px rgba(23,32,29,.2)}
.upload-icon svg{width:25px;stroke:#fff;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.dropzone strong{font-size:17px}.dropzone>span:not(.upload-icon){font-size:12px;color:var(--muted);margin-top:6px}.dropzone .formats{letter-spacing:1.8px!important;font-size:9px!important;margin-top:18px!important;color:#8a938e!important}
.selected{display:flex;align-items:center;gap:14px;padding:13px 16px}.file-badge{width:45px;height:45px;border-radius:10px;background:#e2eedc;color:var(--green);display:grid;place-items:center;font-size:10px;font-weight:800}
.selected>div:nth-child(2){min-width:0;flex:1}.selected strong,.selected span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.selected strong{font-size:13px}.selected span{font-size:10px;color:var(--muted);margin-top:3px}.selected button{border:0;background:transparent;font-size:23px;color:#7d8782;cursor:pointer}
.submit{width:calc(100% - 24px);margin:6px 12px 12px;border:0;border-radius:12px;background:var(--green);color:#fff;padding:14px 20px;font:600 14px inherit;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;box-shadow:0 8px 20px rgba(23,107,82,.18)}
.submit svg{width:18px;fill:none;stroke:currentColor;stroke-width:2}.submit:hover{background:#115940}.submit:disabled{opacity:.5;cursor:wait}
.progress-panel{padding:26px;margin-top:15px}.progress-head{display:flex;justify-content:space-between;align-items:center;font-size:13px}.progress-head>div{display:flex;align-items:center;gap:10px}.pulse{width:10px;height:10px;background:var(--green);border-radius:50%;box-shadow:0 0 0 5px #dfece5;animation:pulse 1.5s infinite}.progress-head b{font-size:18px;color:var(--green)}
.progress-track{height:7px;background:#e7e9e3;border-radius:8px;margin:20px 0 11px;overflow:hidden}.progress-track span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--green),#65a95d);border-radius:8px;transition:width .4s}.progress-panel p{font-size:10px;color:var(--muted);margin:0}
.result{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:22px;margin-top:15px}.success-mark{width:47px;height:47px;background:#e0f2d8;color:var(--green);font-size:25px;border-radius:50%;display:grid;place-items:center}.result span{font-size:10px;color:var(--green);font-weight:700}.result h2{font-size:16px;margin:3px 0}.result p{font-size:10px;color:var(--muted);margin:0}.result-actions{display:flex;gap:8px}.result-actions a{text-decoration:none;border-radius:10px;padding:10px 14px;font-size:11px;font-weight:700}.primary{background:var(--green);color:white}.secondary{border:1px solid var(--line);color:var(--ink)}
.error{margin-top:15px;padding:16px 20px;color:var(--danger);font-size:12px;border-color:#efcbc8;background:#fff8f7}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:70px;border-top:1px solid var(--line);padding-top:34px}.features article{position:relative}.features article>span{font-size:10px;font-weight:800;color:#9fa7a2}.features h3{font-size:14px;margin:8px 0}.features p{font-size:11px;line-height:1.9;color:var(--muted);margin:0}
footer{border-top:1px solid var(--line);max-width:1180px;margin:auto;padding:24px 28px;display:flex;justify-content:space-between;color:var(--muted);font-size:10px}footer span{color:var(--ink);font-weight:800}footer p{margin:0}
.hidden{display:none!important}
@keyframes pulse{50%{box-shadow:0 0 0 9px rgba(23,107,82,0)}}
@media(max-width:680px){.nav{height:68px}.privacy{display:none}main{padding-top:25px}h1{font-size:41px;letter-spacing:-1.6px}.hero p{font-size:13px}.dropzone{min-height:210px}.features{grid-template-columns:1fr;gap:22px;margin-top:45px}.result{grid-template-columns:auto 1fr}.result-actions{grid-column:1/-1}.result-actions a{flex:1;text-align:center}}