:root{color-scheme:light;--ink:#102e35;--muted:#557078;--surface:#fff;--canvas:#f3f7f6;--line:#cfdcd9;--line-strong:#9cb5af;--accent:#167b65;--accent-dark:#0d5c4c;--accent-soft:#e1f2ed;--danger:#a33434;--danger-soft:#fff0f0;--shadow:0 18px 50px #102e3517;font-synthesis:none;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;color:var(--ink);background:var(--surface);margin:0;font-size:1rem;line-height:1.65;overflow-x:hidden}button,input,select{font:inherit}a{color:var(--accent-dark);text-underline-offset:.2em}a:hover{color:var(--accent)}:focus-visible{outline-offset:3px;outline:3px solid #2aa987}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em;line-height:1.12}h1{max-width:18ch;margin-bottom:1.25rem;font-size:clamp(2.35rem,6vw,5.1rem);font-weight:720}h2{margin-bottom:1.25rem;font-size:clamp(1.65rem,3vw,2.5rem)}h3{font-size:1.45rem}.shell,.shell-narrow{width:min(100% - 2rem,1180px);margin-inline:auto}.shell-narrow{width:min(100% - 2rem,900px)}.skip-link{z-index:100;color:#fff;background:var(--ink);border-radius:.35rem;padding:.65rem .9rem;position:fixed;top:.75rem;left:.75rem;transform:translateY(-160%)}.skip-link:focus-visible{transform:translateY(0)}.site-header{border-bottom:1px solid var(--line);background:#fffffff2}.header-inner,.footer-inner{justify-content:space-between;align-items:center;gap:1.5rem;display:flex}.header-inner{min-height:4.5rem}.brand{color:var(--ink);align-items:center;gap:.65rem;font-size:1.2rem;font-weight:750;text-decoration:none;display:inline-flex}.brand-mark{color:#fff;background:var(--ink);border-radius:.4rem;place-items:center;width:2rem;height:2rem;font-size:1rem;display:grid}nav{gap:1.4rem;display:flex}nav a{color:var(--ink);font-size:.95rem;font-weight:650;text-decoration:none}.eyebrow{color:var(--accent-dark);letter-spacing:.13em;text-transform:uppercase;margin-bottom:.65rem;font-size:.78rem;font-weight:760}.home-hero{padding-block:clamp(3rem,6vw,5rem) clamp(2rem,4vw,3rem)}.home-hero h1{max-width:16ch;font-size:clamp(2.35rem,5vw,4.2rem)}.hero-copy,.tool-intro>p:last-child{max-width:650px;color:var(--muted);font-size:clamp(1.1rem,2vw,1.3rem)}.tool-section{padding-block:.75rem 5rem}.section-heading{margin-bottom:1.5rem}.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;display:grid}.tool-card{border:1px solid var(--line);min-height:220px;color:var(--ink);background:var(--canvas);border-radius:.65rem;padding:clamp(1.25rem,3vw,1.8rem);text-decoration:none;transition:border-color .16s,transform .16s,box-shadow .16s;position:relative;overflow:hidden}.tool-card:hover{border-color:var(--accent);color:var(--ink);box-shadow:var(--shadow);transform:translateY(-2px)}.tool-card p{max-width:35ch;color:var(--muted)}.tool-number{color:var(--accent);margin-bottom:1.5rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8rem;display:block}.text-link{text-underline-offset:.25rem;font-weight:720;text-decoration:underline}.trust-strip{border-block:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:5rem;display:grid}.trust-strip div{gap:.2rem;padding:1.5rem;display:grid}.trust-strip div+div{border-left:1px solid var(--line)}.trust-strip span{color:var(--muted);font-size:.92rem}.tool-page{padding-bottom:6rem}.tool-intro{padding-block:clamp(3.5rem,8vw,6rem) 2rem}.tool-intro h1{font-size:clamp(2.4rem,6vw,4.5rem)}.converter-wrap{margin-bottom:5.5rem}.privacy-note{color:var(--muted);align-items:baseline;gap:.55rem;margin:0 0 .75rem;font-size:.9rem;display:flex}.privacy-note span{color:var(--accent);font-size:.62rem}.converter{border:1px solid var(--line-strong);background:var(--surface);min-height:510px;box-shadow:var(--shadow);border-radius:.75rem;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);display:grid;overflow:hidden}.converter-controls{border-right:1px solid var(--line);flex-direction:column;gap:1.25rem;padding:clamp(1.2rem,3vw,2rem);display:flex}.upload-field{border:1.5px dashed var(--line-strong);cursor:pointer;text-align:center;background:var(--canvas);border-radius:.55rem;align-content:center;place-items:center;gap:.35rem;min-height:160px;padding:1.35rem;display:grid}.upload-field:hover{border-color:var(--accent);background:var(--accent-soft)}.upload-field>span:last-of-type{color:var(--muted);font-size:.87rem}.upload-icon{color:#fff;background:var(--accent);border-radius:50%;place-items:center;width:2.25rem;height:2.25rem;margin-bottom:.3rem;font-size:1.4rem;font-weight:400;line-height:1;display:grid}.upload-input{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.control-grid{grid-template-columns:1fr 1fr;gap:.9rem;display:grid}.control-grid label:first-child{grid-column:1/-1}.control-grid label{color:var(--ink);gap:.35rem;font-size:.9rem;font-weight:680;display:grid}.control-grid select,.control-grid input{border:1px solid var(--line-strong);width:100%;min-height:2.8rem;color:var(--ink);background:#fff;border-radius:.4rem}.control-grid select{padding:.55rem .7rem}.number-control{display:block;position:relative}.number-control input{padding:.5rem 2.5rem .5rem .7rem}.number-control>span{color:var(--muted);font-weight:500;position:absolute;top:50%;right:.7rem;transform:translateY(-50%)}.converter-status{border-left:3px solid var(--line-strong);min-height:2.8rem;color:var(--muted);background:var(--canvas);align-items:center;gap:.65rem;padding:.65rem .8rem;font-size:.9rem;line-height:1.35;display:flex}.status-ready{border-left-color:var(--accent);color:var(--accent-dark);background:var(--accent-soft)}.status-error{border-left-color:var(--danger);color:var(--danger);background:var(--danger-soft)}.spinner{border:2px solid var(--line-strong);border-top-color:var(--accent);border-radius:50%;flex:none;width:1rem;height:1rem;animation:.75s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.primary-button,.secondary-button{border:1px solid var(--accent-dark);cursor:pointer;border-radius:.42rem;justify-content:center;align-items:center;min-height:3rem;padding:.7rem 1.1rem;font-weight:750;text-decoration:none;display:inline-flex}.primary-button{color:#fff;background:var(--accent-dark);margin-top:auto}.primary-button:hover:not(:disabled){background:var(--accent)}.primary-button:disabled{color:#f5f7f6;cursor:not-allowed;background:#a8b5b2;border-color:#a8b5b2}.secondary-button{color:var(--accent-dark);background:#fff}.format-note{color:var(--muted);font-size:.9rem;line-height:1.5}.preview-panel{background:#e9f0ee;min-width:0;min-height:430px;position:relative}.preview-canvas,.preview-placeholder{width:100%;height:100%;min-height:430px}.preview-canvas{touch-action:none}.preview-canvas canvas{display:block}.preview-placeholder{color:var(--muted);text-align:center;background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);background-size:34px 34px;align-content:center;place-items:center;gap:.75rem;padding:2rem;display:grid}.preview-placeholder>span{border:1px solid var(--line-strong);width:4.25rem;height:4.25rem;color:var(--accent-dark);background:#ffffffe0;border-radius:.55rem;place-items:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:750;display:grid}.preview-placeholder p{background:#e9f0eee6;margin:0;padding:.2rem .4rem}.content-stack{gap:clamp(4.5rem,9vw,7rem);display:grid}.steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;padding:0;list-style:none;display:grid}.steps li{border-top:1px solid var(--line-strong);gap:1rem;padding:1.25rem 0;display:flex}.steps li>span{color:var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86rem}.steps p{color:var(--muted);margin:.35rem 0 0;font-size:.95rem}.two-column{grid-template-columns:minmax(220px,.75fr) minmax(0,1.25fr);align-items:start;gap:clamp(2rem,7vw,5rem);display:grid}.prose{color:var(--muted);font-size:1.05rem}.prose p+p{margin-top:1.4rem}.prose strong{color:var(--ink)}.faq-list{border-top:1px solid var(--line-strong)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;padding:1.25rem 2.25rem 1.25rem 0;font-weight:720}.faq-list p{max-width:70ch;color:var(--muted);padding:0 2rem 1.25rem 0}.related-tool{border:1px solid var(--line);background:var(--canvas);border-radius:.6rem;justify-content:space-between;align-items:center;gap:1.5rem;padding:2rem;display:flex}.related-tool h2{margin:0;font-size:clamp(1.4rem,3vw,2rem)}.related-actions{flex-wrap:wrap;justify-content:flex-end;gap:.7rem;display:flex}.site-footer{border-top:1px solid var(--line);color:var(--muted);background:var(--canvas);padding-block:2rem}.site-footer p{margin:0;font-size:.9rem}.site-footer strong{color:var(--ink)}@media (width>=801px){.tool-intro{padding-block:clamp(2.75rem,6vw,4.5rem) 1.25rem}.tool-intro .eyebrow{margin-bottom:.45rem}.tool-intro h1{margin-bottom:.85rem}.tool-intro>p:last-child{margin-bottom:0}.privacy-note{margin-bottom:.5rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition:none!important}}@media (width<=800px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.converter{grid-template-columns:1fr}.converter-controls{border-right:0;border-bottom:1px solid var(--line)}.preview-panel,.preview-canvas,.preview-placeholder{min-height:340px}.steps{grid-template-columns:1fr}.two-column{grid-template-columns:1fr;gap:1rem}}@media (width<=620px){.shell,.shell-narrow{width:min(100% - 1.25rem,1180px)}.header-inner{min-height:4rem}nav{gap:.8rem}nav a{font-size:.8rem}.brand{font-size:1rem}.brand-mark{width:1.75rem;height:1.75rem}.home-hero{padding-top:3.5rem}.tool-grid,.trust-strip{grid-template-columns:1fr}.tool-card{min-height:210px}.trust-strip div+div{border-top:1px solid var(--line);border-left:0}.converter-wrap{margin-bottom:4.5rem}.converter-controls{padding:1rem}.upload-field{min-height:145px}.preview-panel,.preview-canvas,.preview-placeholder{min-height:290px}.related-tool,.footer-inner{flex-direction:column;align-items:stretch}.related-actions{justify-content:flex-start}.footer-inner{gap:.4rem}}
