@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@400;600;700;800&display=swap');
:root{--bg:#f7f9fc;--surface:#fff;--ink:#13203a;--muted:#65748c;--line:#e2e8f1;--blue:#235ee8;--soft:#edf3ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 'Inter',sans-serif}body.dark{--bg:#101827;--surface:#182338;--ink:#edf3ff;--muted:#b3bed1;--line:#30405c;--soft:#233556}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,textarea,select{outline-offset:4px}button{cursor:pointer}header{height:96px;max-width:1344px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:20px 40px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:0;font:800 24px 'Poppins',sans-serif;letter-spacing:-1px}.brand .mark{display:grid;place-items:center;background:var(--blue);color:white;border-radius:12px;margin-right:12px;width:43px;height:43px;font-size:30px}.brand small{display:block;font:600 10px 'Inter',sans-serif;letter-spacing:2.1px;margin-top:7px;color:var(--muted)}.blue{color:var(--blue)}nav{display:flex;gap:30px;align-items:center;font-size:14px;font-weight:600}nav button{border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font-size:23px;width:40px}main{max-width:1264px;margin:auto;padding:0 24px}.hero{padding:56px 0 32px;display:grid;grid-template-columns:1.35fr 1fr;gap:70px;align-items:center}.eyebrow{font-size:12px;letter-spacing:1.8px;font-weight:700;color:var(--blue);text-transform:uppercase}h1,h2,h3{font-family:'Poppins',sans-serif;line-height:1.2;letter-spacing:-1px}h1{font-size:52px;font-weight:800;margin:18px 0}h2{font-size:28px}h3{font-size:18px;letter-spacing:-.4px}.hero p{color:var(--muted);max-width:510px;font-size:18px}.benefits{display:flex;gap:20px;font-size:13px;color:var(--muted);margin:26px 0}.quick{background:var(--surface);padding:26px;border-radius:20px;border:1px solid var(--line);box-shadow:0 16px 40px #13203a08}.quick h3{margin-top:0}.quick a{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}.quick a:last-child{border:0}.quick b{background:var(--soft);color:var(--blue);border-radius:8px;padding:5px 10px}.section-head{display:flex;align-items:center;justify-content:space-between;margin:28px 0 18px}.section-head h2{margin:0}.section-head small{color:var(--muted)}.search{position:relative;margin:0 0 24px}.search input{padding:18px 22px;width:100%;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);box-shadow:0 4px 14px #13203a03}.catalog{display:grid;grid-template-columns:205px 1fr;gap:28px}.filters{display:flex;flex-direction:column;gap:7px;align-self:start;position:sticky;top:20px}.filter{display:flex;justify-content:space-between;text-align:left;border:0;border-radius:9px;padding:12px 14px;background:transparent;color:var(--muted);font-size:14px}.filter.active{background:var(--blue);color:white}.filter span{opacity:.7}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{padding:23px 20px;background:var(--surface);border:1px solid var(--line);border-radius:13px;transition:transform .2s,border .2s;display:flex;flex-direction:column;min-height:200px}.card:hover{transform:translateY(-4px);border-color:var(--blue)}.card .icon{font-size:22px;width:44px;height:44px;display:grid;place-items:center;border-radius:11px;background:var(--soft);color:var(--blue);margin-bottom:6px}.card p{font-size:14px;line-height:1.6;color:var(--muted);margin:0}.card h3{margin:12px 0 9px}.card .go{font-size:13px;font-weight:700;color:var(--blue);margin-top:auto;padding-top:16px}.quiet{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:60px 0;padding:30px 0;border-top:1px solid var(--line)}.quiet p, .muted{color:var(--muted);font-size:14px}.faq{max-width:850px;margin:50px auto}details{padding:19px;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:600}details p{color:var(--muted)}footer{max-width:1264px;margin:70px auto 0;padding:36px 24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:30px;color:var(--muted);font-size:14px}footer>div:last-child{display:flex;gap:22px;flex-wrap:wrap;align-content:start}.breadcrumb{padding-top:28px;color:var(--muted);font-size:14px}.tool-title h1{font-size:38px}.tool-title{margin:28px 0}.workspace{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:start}.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;min-width:0}.panel h2{font-size:20px;margin:0 0 22px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}label{display:block;font-size:14px;font-weight:600}input,select,textarea{display:block;width:100%;margin-top:8px;padding:11px 13px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}textarea{min-height:190px;resize:vertical;font:14px/1.6 monospace}.wide{grid-column:1/-1}.btn{display:inline-block;border:0;background:var(--blue);color:white;padding:12px 24px;border-radius:9px;font-weight:600;font-size:14px;margin-top:20px}.btn.secondary{background:var(--soft);color:var(--blue);margin-right:8px}.btn:disabled{opacity:.5;cursor:wait}.result{white-space:pre-wrap;overflow-wrap:anywhere;font-size:17px}.result:empty:before{content:'Your result will appear here.';color:var(--muted);font-size:15px}.output-image{max-width:100%;max-height:260px;object-fit:contain;display:block;margin-top:15px}.drop{padding:30px 20px;border:2px dashed var(--line);border-radius:12px;text-align:center;background:var(--soft);cursor:pointer}.drop strong{display:block;margin-bottom:8px}.drop input{background:var(--surface)}.file{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;gap:8px;overflow-wrap:anywhere}.file button{border:0;background:var(--soft);color:var(--blue);border-radius:4px;margin-left:4px}.notice{font-size:14px;background:var(--soft);color:var(--muted);padding:14px;border-radius:9px;margin:18px 0}.error{color:#c52737}.article{max-width:820px;margin:50px auto}.article h1{font-size:38px}.article p{line-height:1.85}.signature{width:100%;height:160px;background:#fff;border:1px dashed var(--muted);touch-action:none;margin-top:12px}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--surface);border-radius:8px;padding:10px 20px;display:none;z-index:99}progress{width:100%;margin-top:20px} [hidden]{display:none!important}@media(max-width:1050px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{gap:30px}h1{font-size:42px}}@media(max-width:700px){header{height:auto;padding:18px 20px}.brand{font-size:19px}.brand small{font-size:8px}nav{gap:13px}nav a:not(:first-child){display:none}.hero{grid-template-columns:1fr;padding-top:28px;gap:18px}h1{font-size:38px}.hero p{font-size:16px}.quick{display:none}.benefits{flex-wrap:wrap;gap:10px}.catalog{display:block}.filters{position:static;flex-direction:row;overflow:auto;margin-bottom:20px}.filter{white-space:nowrap;gap:14px}.grid{gap:12px}.card{padding:18px 14px}.card h3{font-size:16px}.workspace{grid-template-columns:1fr}.fields{grid-template-columns:1fr}.quiet{grid-template-columns:1fr;gap:10px}.panel{padding:20px}footer{flex-direction:column}.tool-title h1{font-size:30px}.section-head h2{font-size:24px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Reference-inspired blue gradient theme */
:root{--blue:#2563eb;--gradient:linear-gradient(135deg,#2563eb,#06b6d4);--soft:linear-gradient(135deg,#2563eb0d,#06b6d40d)}html{scroll-behavior:smooth;scroll-padding-top:110px}body{--bg:#f8fafc;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0}body.dark{--bg:#0b1120;--surface:#151e32;--ink:#f1f5f9;--muted:#a5b4c9;--line:#29364d;--soft:linear-gradient(135deg,#2563eb22,#06b6d41a)}header{position:sticky;top:0;z-index:20;max-width:none;height:auto;background:var(--surface);padding:0;border-bottom:1px solid var(--line)}.header-inner{width:100%;max-width:1264px;padding:20px 24px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{font-size:23px;letter-spacing:-.8px}.brand .mark{background:var(--gradient);box-shadow:0 4px 12px #2563eb33}.brand-title,.gradient-text{background:var(--gradient);background-clip:text;-webkit-background-clip:text;color:transparent}nav{gap:22px}nav a{padding:8px 2px}nav a:hover{color:var(--blue)}nav button{font-size:17px;height:40px}.nav-toggle{display:none}.hero{padding:56px 0;gap:64px;grid-template-columns:1.2fr 1fr}.hero h1{font-size:clamp(2.2rem,4.2vw,3.7rem);line-height:1.14;letter-spacing:-1.8px}.hero p{font-size:18px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero-actions .btn{margin:0}.hero-actions .secondary{border:1px solid var(--line)}.btn{background:var(--gradient);box-shadow:0 7px 16px #2563eb20;border-radius:12px}.btn.secondary{box-shadow:none;background:var(--soft);border:1px solid var(--line)}.quick{border-radius:24px;background:var(--soft);padding:32px}.quick h2{font-size:30px;margin:14px 0}.quick p{font-size:16px}.quick small{display:block;margin-top:22px;color:var(--muted);font-size:13px}.quick-tools{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px 18px}.quick-tools a{gap:14px;justify-content:flex-start}.quick-tools a>i{color:var(--blue);font-size:22px}.quick-tools a>span:last-child{margin-left:auto}.tool-badge{align-self:flex-start;display:inline-block;padding:5px 12px;border-radius:20px;background:var(--soft);font-size:12px;font-weight:600;color:var(--blue);line-height:1.5}.center-heading{text-align:center;margin-bottom:32px}.center-heading h2{font-size:32px;margin:12px 0}.center-heading p{color:var(--muted);margin:0}.section-block{padding:48px 0}.popular-section{padding:36px 28px;background:var(--soft);border-radius:24px}.grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.card{padding:24px;min-height:286px;border-radius:16px;position:relative;overflow:hidden}.card:before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient);transform:scaleX(0);transform-origin:left;transition:transform .2s}.card:hover:before{transform:scaleX(1)}.card:hover{box-shadow:0 14px 24px #13203a12}.card .icon{width:54px;height:54px;font-size:26px;border-radius:14px;margin:18px 0 4px}.card:hover .icon{background:var(--gradient);color:#fff}.card h3{font-size:18px}.card p{font-size:14px}.card .go{display:flex;justify-content:space-between;border:1px solid var(--line);border-radius:8px;padding:9px 12px;margin-top:auto;position:relative;top:10px;color:var(--ink);font-size:13px}.card:hover .go{background:var(--gradient);color:white;border-color:transparent}.catalog{display:block}.filters{position:static;flex-direction:row;flex-wrap:wrap;justify-content:center;margin-bottom:24px;gap:10px}.filter{border:1px solid var(--line);border-radius:30px;background:var(--surface);color:var(--ink);padding:9px 18px;gap:12px}.filter.active{background:var(--gradient);border-color:transparent}.result-count{font-size:13px;color:var(--muted);text-align:right}.search{max-width:740px;margin:0 auto 24px}.search>i{position:absolute;left:20px;top:18px;color:var(--muted)}.search input{padding-left:50px}.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.step-card{padding:28px 20px;text-align:center;border:1px solid var(--line);background:var(--surface);border-radius:16px}.step-number{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 22px;background:var(--gradient);border-radius:50%;font-size:23px;font-weight:700;color:white}.step-card p,.feature-card p{color:var(--muted);font-size:15px}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-card{border:1px solid var(--line);border-radius:16px;padding:28px;background:var(--surface)}.feature-card .icon{display:grid;place-items:center;width:50px;height:50px;border-radius:12px;background:var(--soft);color:var(--blue);font-size:25px}.security-section{background:var(--gradient);color:white;border-radius:20px;padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin:30px 0}.security-section h2{font-size:34px;margin-top:18px}.security-section p{font-size:16px;opacity:.94}.security-section .tool-badge{background:#ffffff26;color:white}.security-section a{font-weight:700;text-decoration:underline}.security-list p{border-bottom:1px solid #ffffff30;padding:12px 0}.faq{margin:10px auto;max-width:880px}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:20px}.cta-section{text-align:center;padding:42px 24px;border:1px solid var(--line);border-radius:20px;background:var(--soft);margin:20px 0}.cta-section h2{font-size:30px}.cta-section p{color:var(--muted)}.contact-strip{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:40px 0}.contact-strip p{color:var(--muted)}footer{display:block;max-width:none;background:#0f172a;color:#a9b7cc;padding:52px max(24px,calc((100% - 1216px)/2)) 20px;margin-top:30px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}.footer-grid .brand,footer h3{color:#fff}footer h3{font-size:16px}footer p{font-size:14px;line-height:1.7}.footer-grid a:not(.brand){display:block;margin:10px 0;font-size:14px}footer a:hover{color:white}footer>div:last-child{display:block}.footer-bottom{border-top:1px solid #ffffff1a;text-align:center;padding-top:20px;margin-top:32px;font-size:13px}.tool-title{text-align:center;margin:40px 0}.tool-title h1{font-size:38px}.tool-title p{max-width:640px;margin:auto}.workspace+.quiet{margin-bottom:36px}.workspace .panel{border-radius:16px}.empty-state{grid-column:1/-1;text-align:center;padding:40px}.file span:first-child{min-width:0}.file span:last-child{flex-shrink:0}
@media(max-width:1100px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero{gap:32px}.header-inner nav{gap:15px}.popular-section{padding:28px 20px}.card{padding:22px}}
@media(max-width:800px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{gap:20px}.hero h1{font-size:40px}.quick{padding:22px}.features-grid{grid-template-columns:repeat(2,1fr)}.steps-grid{grid-template-columns:repeat(2,1fr)}.security-section{gap:26px;padding:28px}.footer-grid{grid-template-columns:repeat(2,1fr)}.brand{font-size:21px}.nav-toggle{display:grid;place-items:center;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;font-size:26px;width:40px;height:40px}.header-inner{position:relative;flex-wrap:wrap;padding:16px 24px}.header-inner nav{display:none;width:100%;padding:16px 0;flex-wrap:wrap}.header-inner nav.open{display:flex}.header-inner nav a{display:block}}
@media(max-width:600px){main{padding:0 16px}.hero{grid-template-columns:1fr;padding:32px 0}.hero h1{font-size:38px}.quick{display:none}.hero p{font-size:16px}.hero-actions .btn{padding:12px 16px}.benefits{font-size:12px;gap:14px}.popular-section{padding:26px 12px;border-radius:16px}.center-heading h2{font-size:26px}.center-heading p{font-size:15px}.section-block{padding:32px 0}.popular-section.section-block{padding:28px 12px}.card{padding:18px 14px;min-height:280px}.card h3{font-size:16px}.grid{gap:12px}.filters{overflow:visible;gap:8px}.filter{font-size:13px;padding:8px 12px}.security-section{grid-template-columns:1fr;gap:10px;padding:26px}.security-section h2{font-size:28px}.features-grid{grid-template-columns:1fr}.contact-strip{flex-direction:column;align-items:start}.footer-grid{gap:26px}.footer-grid>div:first-child{grid-column:1/-1}.tool-title h1{font-size:30px}.tool-badge{font-size:12px}.step-card{padding:22px 14px}.step-card h3{font-size:16px}.step-card p{font-size:14px}.hero-actions{gap:8px}.result-count{text-align:center}}