/* Gulag Cleaner Online – shared stylesheet */
*{box-sizing:border-box}
:root{--ink:#1f2937;--muted:#4b5563;--bg:#fff;--alt:#faf5ff;--dark:#0b1220;--dark2:#060a14;--acc:#2563eb;--line:#d6d3e0;--wrap:1040px;--read:760px}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.75 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
img,svg{max-width:100%;height:auto}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.25;color:#0b1220}
h1{font-size:2.6rem;margin:.3em 0}
h2{font-size:1.8rem;margin:0 0 .6em}
h3{font-size:1.2rem;margin:.2em 0 .4em}
a{color:#1d4ed8}
a:hover{color:#1e3a8a}
a:focus-visible,summary:focus-visible,button:focus-visible,.tvb:focus-visible{outline:3px solid #60a5fa;outline-offset:2px}
.w{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.n{max-width:var(--read)}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:8px 14px;z-index:100;border-radius:6px}
.skip:focus{left:8px}
section{padding:46px 0}
.alt{background:var(--alt)}
.dark{background:var(--dark);color:#e8e4f5}
.dark h2,.dark h3{color:#fff}
.dark a{color:#93c5fd}
.ic{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* header */
.hero{background:#0b1220 repeating-linear-gradient(0deg,#ffffff0a 0 2px,transparent 2px 5px);color:#fff;padding-bottom:36px}
.hero h1{color:#fff}
.top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px 16px;padding:16px 0}
.top a{color:#fff;text-decoration:none;font-weight:700}
.top .br{display:flex;gap:8px;align-items:center;font-size:19px}
.top nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.top nav a:hover{color:#93c5fd}
.hg{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.hero p{color:#d7d0ea}
.hero svg.art{width:100%;height:auto}
.pills{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0}
.pills li{background:#ffffff1f;border-radius:30px;padding:5px 14px;font-size:14px;font-weight:700}
.btn{display:inline-block;background:var(--acc);color:#fff!important;padding:13px 28px;border-radius:8px;font-weight:800;text-decoration:none;box-shadow:0 4px 0 #1e3a8a}
.btn:hover{background:#1d4ed8}
.btn.o{background:transparent;border:2px solid #fff;box-shadow:none;margin-left:8px}
.btn.o:hover{background:#ffffff22}
.band{background:#1d4ed8;color:#fff;padding:18px 0}
.band ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;list-style:none;padding:0;margin:0;text-align:center}
.band b{display:block;font-size:1.7rem}

/* inner page header */
.phead{background:var(--dark);color:#fff;padding:0 0 30px}
.phead h1{color:#fff;font-size:2.2rem;margin:.2em 0 .2em}
.phead p{color:#d7d0ea;margin:0;max-width:var(--read)}
.crumbs{font-size:14px;padding:14px 0 0;color:#cfc8e6}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px;margin:0;padding:0}
.crumbs li+li::before{content:"›";margin-right:8px;color:#8f86ad}
.crumbs a{color:#93c5fd}

/* toc */
.toc{background:#eff6ff;border:2px dashed #93c5fd;border-radius:14px;padding:16px 22px;margin:24px auto;max-width:900px}
.toc ul,.toc ol{display:flex;flex-wrap:wrap;gap:4px 16px;list-style:none;padding:0;margin:6px 0 0;font-size:15px}
.toc.col ol{display:block;padding-left:20px;list-style:decimal}
.toc.col li{margin:2px 0}

/* cards / grids */
.fx{display:flex;gap:16px;align-items:flex-start}
.fx .ic{width:46px;height:46px;padding:10px;border-radius:12px;background:#1d4ed81a;color:#1d4ed8}
.dark .fx .ic{background:#ffffff26;color:#93c5fd}
.tip{border-left:4px solid #2563eb;padding:6px 12px;font-size:15px;background:#eff6ff;border-radius:0 8px 8px 0;color:#172554}
.g3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.c{border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;color:inherit;background:#fff;display:block}
a.c:hover{border-color:#2563eb;box-shadow:0 4px 14px #0001}
.c p{margin:0;font-size:15px;color:var(--muted)}
.c h3{color:#0b1220}
.c img{border-radius:8px;margin-bottom:10px;width:100%}
.stp{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;padding:0;list-style:none;counter-reset:s}
.stp li{counter-increment:s;border:1px solid var(--line);background:#fff;border-radius:12px;padding:14px}
.stp li::before{content:counter(s);display:block;font-weight:800;font-size:1.5rem;color:#1d4ed8}
.stp span{display:block;font-size:15px;color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags a{border:2px solid #1d4ed8;border-radius:30px;padding:5px 16px;text-decoration:none;font-weight:700;font-size:15px}
.tags a:hover{background:#1d4ed8;color:#fff}

/* tables */
.sc{overflow-x:auto}
table{width:100%;border-collapse:collapse}
td,th{border:1px solid #94a3b8;padding:9px 12px;text-align:left}
th{background:#f3e8ff;color:#0b1220}
.cmp{min-width:480px}

/* faq */
details{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0;background:#fff;color:var(--ink)}
details p{margin:.6em 0 0}
summary{cursor:pointer;font-weight:700}

/* demo */
.tvw{text-align:center}
.tvb{position:relative;max-width:520px;margin:0 auto;border:18px solid #3b2a1a;border-radius:28px;background:#000;box-shadow:0 0 0 4px #1b120a,0 12px 30px #0008}
.tvb.glow{box-shadow:0 0 40px 8px #22d3ee88,0 0 0 4px #1b120a}
.tvb canvas{display:block;width:100%;height:auto;image-rendering:pixelated;border-radius:12px}
.tvb.bw canvas{filter:grayscale(1)}
.tvb::after{content:"";position:absolute;inset:0;border-radius:10px;pointer-events:none;background:repeating-linear-gradient(0deg,#0000 0 2px,#0004 2px 3px),radial-gradient(#0000 60%,#0007)}
.lbl{position:absolute;top:10px;right:14px;color:#4ade80;font:700 20px monospace;z-index:2;text-shadow:0 0 6px #000}
.rc{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:16px 0}
.rc button{background:#1f2937;color:#fff;border:0;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer;min-height:44px;font-size:16px}
.rc button:hover,.rc button[aria-pressed=true]{background:#1d4ed8}
.sm{font-size:14px;color:var(--muted)}
.dark .sm{color:#cfc8e6}
.cta{background:#0b1220;color:#fff;text-align:center}
.cta h2{color:#fff}
.cta p{color:#d7d0ea}
.fl{width:100%;height:auto}

/* blog + inner pages */
.post{max-width:var(--read);margin:0 auto;padding:30px 20px 10px}
.post h2{margin-top:1.6em;font-size:1.65rem}
.post h3{margin-top:1.2em}
.post ul,.post ol{padding-left:1.3em}
.post li{margin:.3em 0}
.post figure{margin:0 0 24px}
.post figure img{width:100%;border-radius:14px;border:1px solid var(--line)}
.post figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:6px}
.meta{font-size:14px;color:var(--muted);margin:0 0 18px}
.related{background:var(--alt);padding:36px 0}
.hrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px}
.legal{max-width:var(--read);margin:0 auto;padding:30px 20px 50px}
.legal h2{font-size:1.45rem;margin-top:1.6em}
.contactbox{border:2px solid #1d4ed8;border-radius:14px;padding:18px 22px;background:#eff6ff;margin:18px 0}

/* footer */
footer{background:var(--dark2);color:#c9c2e0;padding:36px 0 40px;font-size:15px}
footer a{color:#93c5fd}
footer h2{font-size:1rem;font-family:system-ui,sans-serif;color:#fff;margin:0 0 .6em;text-transform:uppercase;letter-spacing:1px}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin:.35em 0}
.fg{display:grid;grid-template-columns:1.4fr 1fr 1.3fr 1fr;gap:26px}
.copy{border-top:1px solid #ffffff22;margin-top:26px;padding-top:18px;font-size:13px;color:#a79fc4}
.sticky{display:none}

@media(max-width:800px){.fg{grid-template-columns:1fr 1fr}}
@media(max-width:700px){
h1{font-size:1.9rem}h2{font-size:1.5rem}.phead h1{font-size:1.8rem}
body{font-size:16px}
.hg{grid-template-columns:1fr}
.btn.o{margin:10px 0 0}
section{padding:32px 0}
.fx{flex-direction:column}
.tvb{border-width:12px}
.fg{grid-template-columns:1fr}
body.home{padding-bottom:70px}
.sticky{display:block;position:fixed;left:0;right:0;bottom:0;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #e5e7eb;z-index:50;text-align:center}
.sticky .btn{display:block}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* v2: figures, infographics, video, icon cards */
.fig{margin:22px 0}
.fig img{width:100%;height:auto;border-radius:14px;border:1px solid var(--line);display:block}
.fig figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:6px}
.info{margin:24px 0;border:1px solid var(--line);border-radius:14px;background:#fff;padding:10px}
.info svg{width:100%;height:auto;display:block}
.dark .info{background:#1f1528;border-color:#4a3a55}
.key{background:#eff6ff;border:2px solid #93c5fd;border-radius:14px;padding:16px 22px;margin:24px auto;max-width:900px}
.key h2{font-size:1.2rem;margin:0 0 .4em}
.key ul{margin:0;padding-left:1.2em}
.icg{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:20px 0}
.icg div{border:1px solid var(--line);border-radius:12px;padding:16px;background:#fff}
.icg .ic{width:42px;height:42px;padding:9px;border-radius:12px;background:#1d4ed81a;color:#1d4ed8;margin-bottom:6px}
.icg h3{margin:.2em 0}
.icg p{margin:0;font-size:15px;color:var(--muted)}
.vid{position:relative;aspect-ratio:16/9;max-width:760px;margin:18px auto;border-radius:14px;overflow:hidden;background:#000;box-shadow:0 10px 30px #0006}
.vid button{all:unset;cursor:pointer;position:absolute;inset:0}
.vid button:focus-visible{outline:3px solid #60a5fa;outline-offset:-3px}
.vid img,.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0;object-fit:cover}
.vid .play{position:absolute;left:50%;top:50%;width:76px;height:54px;margin:-27px 0 0 -38px;background:#2563eb;border-radius:14px;box-shadow:0 4px 14px #0008}
.vid .play::after{content:"";position:absolute;left:30px;top:15px;border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent}
.src li{margin:.5em 0}
.gl dt{font-weight:800;margin-top:.9em;color:#0b1220}
.gl dd{margin:.2em 0 0}


/* PDF cleaner tool */
.drop{display:block;border:3px dashed #60a5fa;border-radius:18px;padding:34px 18px;text-align:center;background:#0f1a33;cursor:pointer;color:#fff}
.drop.over,.drop:focus-within{background:#16264a;border-color:#fff}
.drop strong{display:block;font-size:1.25rem}
.drop span{color:#cbd5e1;font-size:15px}
.drop input{position:absolute;width:1px;height:1px;opacity:0}
.cl-status{min-height:1.6em;margin:12px 0;font-weight:700;color:#93c5fd;text-align:center}
.cl-status.err{color:#fecaca}
.cl-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:14px 0}
.cl-bar button,.cl-btn{background:#1e2b4a;color:#fff;border:2px solid transparent;border-radius:10px;padding:9px 14px;font:700 15px system-ui,sans-serif;cursor:pointer;min-height:44px;text-decoration:none;display:inline-flex;align-items:center}
.cl-bar button:hover,.cl-btn:hover{background:#1d4ed8}
.cl-bar button:disabled{opacity:.45;cursor:not-allowed}
.cl-bar .go,.cl-btn.go{background:#2563eb;box-shadow:0 4px 0 #1e3a8a}
.cl-bar input[type=text],.cl-m input{padding:9px 10px;border-radius:10px;border:2px solid #334155;background:#0b1220;color:#fff;font-size:16px;min-height:44px;width:110px}
.cl-m{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;margin:10px 0}
.cl-m label{font-size:14px;color:#cbd5e1;display:block}
.cl-m input{width:100%}
.pgs{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;margin:16px 0;max-height:520px;overflow:auto;padding:6px}
.pg{all:unset;box-sizing:border-box;position:relative;cursor:pointer;background:#fff;border:3px solid transparent;border-radius:8px;overflow:hidden;min-height:150px;display:block}
.pg:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}
.pg canvas{width:100%;height:auto;display:block;background:#fff}
.pg .num{position:absolute;left:6px;bottom:6px;background:#0b1220cc;color:#fff;font:700 12px system-ui;padding:2px 7px;border-radius:99px}
.pg .tag{position:absolute;right:6px;top:6px;background:#f59e0b;color:#1c1917;font:800 11px system-ui;padding:2px 7px;border-radius:99px}
.pg .x{display:none;position:absolute;inset:0;background:#b91c1ccc;color:#fff;font:800 15px system-ui;align-items:center;justify-content:center}
.pg.rm{border-color:#ef4444}
.pg.rm .x{display:flex}
.cl-result{border:2px solid #34d399;border-radius:14px;padding:16px;margin-top:16px;background:#052e22;color:#fff}
.cl-result[hidden],#cl-work[hidden]{display:none}
.cl-name{font-weight:700;color:#e2e8f0;word-break:break-all}
.hero svg.art{max-width:420px}