:root{
  --bg:#f6f8fc;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;
  --accent:#5b5cf0;--accent2:#7c3aed;--success:#15803d;--danger:#b91c1c;
  --shadow:0 24px 70px rgba(15,23,42,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(180deg,#fbfcff 0,#f4f7fb 100%);color:var(--ink)}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:white;font-size:20px}
nav{display:flex;gap:24px;color:var(--muted);font-weight:650;font-size:14px}
main{max-width:1120px;margin:auto;padding:44px 24px 80px}
.hero{text-align:center;max-width:850px;margin:32px auto 36px}
.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--accent);font-weight:800;margin-bottom:14px}
h1{font-size:clamp(38px,6vw,68px);letter-spacing:-.045em;line-height:1.02;margin:0 0 20px}
.hero p{font-size:18px;color:var(--muted);line-height:1.65;margin:0 auto 22px;max-width:760px}
.format-pills{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.format-pills span{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:800;color:#475569}
.converter-card{background:rgba(255,255,255,.92);border:1px solid rgba(226,232,240,.95);border-radius:28px;padding:26px;box-shadow:var(--shadow);max-width:900px;margin:0 auto}
.direction-row{display:grid;grid-template-columns:1fr 52px 1fr;gap:12px;align-items:end;margin-bottom:18px}
.select-wrap label,.option label{display:block;color:#475569;font-size:13px;font-weight:750;margin:0 0 8px}
select,input[type="number"]{width:100%;border:1px solid var(--line);background:white;border-radius:12px;padding:12px 14px;color:var(--ink);outline:none}
select:focus,input:focus{border-color:#a5b4fc;box-shadow:0 0 0 4px rgba(99,102,241,.10)}
.swap{width:48px;height:46px;border-radius:13px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:20px}
.dropzone{border:2px dashed #cbd5e1;border-radius:22px;padding:44px 22px;text-align:center;background:#fafbff;transition:.2s;cursor:pointer}
.dropzone.dragover{border-color:var(--accent);background:#f1f3ff;transform:translateY(-1px)}
.upload-icon{margin:0 auto 14px;width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:#eef2ff;color:var(--accent);font-weight:900;font-size:26px}
.dropzone h2{margin:0 0 8px;font-size:22px}.dropzone p{margin:0 0 16px;color:var(--muted)}.dropzone small{display:block;color:#94a3b8;margin-top:12px}
.primary,.secondary,.ghost{border:0;border-radius:13px;padding:12px 18px;font-weight:800;cursor:pointer}
.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 10px 22px rgba(91,92,240,.22)}
.secondary{background:#eef2ff;color:#4338ca}.ghost{background:#f8fafc;color:#475569;border:1px solid var(--line)}
.options{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:22px 4px 4px}
.option{min-width:0}.option-head{display:flex;justify-content:space-between}.option output{font-size:13px;color:var(--accent);font-weight:800}
input[type="range"]{width:100%;accent-color:var(--accent)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.inline{grid-column:1/-1;display:flex;gap:22px;flex-wrap:wrap}.inline label{display:flex;align-items:center;gap:8px;margin:0}
.queue{margin-top:18px;border-top:1px solid var(--line);padding-top:16px;display:grid;gap:10px}
.queue-item{display:grid;grid-template-columns:52px 1fr auto;gap:12px;align-items:center;padding:10px;border-radius:14px;background:#f8fafc}
.thumb{width:52px;height:52px;border-radius:10px;object-fit:cover;background:#e2e8f0}
.file-name{font-size:14px;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:520px}
.meta{font-size:12px;color:var(--muted);margin-top:3px}.status{font-size:12px;font-weight:800;color:#475569}
.status.ok{color:var(--success)}.status.err{color:var(--danger)}
.actions{display:flex;gap:10px;margin-top:18px}.wide{flex:1}
.hidden{display:none!important}.privacy-note{text-align:center;color:var(--muted);font-size:12px;margin:16px 0 0}
.section{margin-top:88px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:22px}.section-heading h2,.faq h2{font-size:34px;letter-spacing:-.03em;margin:0}.section-heading p{max-width:440px;color:var(--muted);margin:0}
.conversion-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.conversion-grid a{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;transition:.2s}
.conversion-grid a:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(15,23,42,.08);border-color:#c7d2fe}
.conversion-grid b{font-size:18px}.conversion-grid span{font-size:13px;line-height:1.45;color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature-grid article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}.feature-icon{font-size:24px}.feature-grid h3{margin:14px 0 7px}.feature-grid p{margin:0;color:var(--muted);line-height:1.55}
.faq{max-width:860px}.faq details{background:white;border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin-top:10px}.faq summary{cursor:pointer;font-weight:800}.faq p{color:var(--muted);line-height:1.6}
footer{max-width:1120px;margin:auto;padding:30px 24px 50px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;color:var(--muted)}
@media(max-width:850px){nav{display:none}.conversion-grid{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:1fr}.section-heading{align-items:flex-start;flex-direction:column}.options{grid-template-columns:1fr}.inline{grid-column:auto}}
@media(max-width:560px){main{padding:24px 14px 60px}.topbar{padding:0 14px}.converter-card{padding:16px;border-radius:22px}.direction-row{grid-template-columns:1fr 42px 1fr}.dropzone{padding:32px 14px}.conversion-grid{grid-template-columns:1fr}.actions{flex-direction:column}.grid-2{grid-template-columns:1fr}.hero{margin-top:12px}.hero p{font-size:16px}footer{flex-direction:column;align-items:flex-start;gap:10px}}

.lang-wrap{position:relative}.lang-btn{display:flex;align-items:center;gap:7px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;cursor:pointer;font-weight:750;color:var(--ink)}
.lang-menu{position:absolute;z-index:30;right:0;top:44px;width:220px;max-height:360px;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px;box-shadow:var(--shadow)}
[dir="rtl"] .lang-menu{right:auto;left:0}.lang-menu a{display:block;padding:9px 10px;border-radius:10px;color:var(--ink)}.lang-menu a:hover{background:#f1f5f9}
.seo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.seo-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.seo-card h3{margin:0 0 8px}.seo-card p{margin:0;color:var(--muted);line-height:1.6}
.breadcrumbs{font-size:13px;color:var(--muted);max-width:900px;margin:0 auto 18px}
@media(max-width:850px){.seo-grid{grid-template-columns:1fr}.topbar nav>a{display:none}}

.footer-legal{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
}
.footer-legal a{
  color:#64748b;
}
.footer-legal a:hover{
  color:#5b5cf0;
}
.footer-cookie-btn{
  border:0;
  padding:0;
  background:none;
  color:#64748b;
  cursor:pointer;
  font:inherit;
}
.footer-cookie-btn:hover{
  color:#5b5cf0;
}

@media(max-width:700px){
  .footer-legal{
    margin-top:12px;
  }
}