@font-face{font-family:"Plus Jakarta Sans";src:url(/assets/fonts/plus-jakarta-sans-latin-wght-normal.woff2) format("woff2");font-weight:200 800;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Noto Sans Devanagari";src:url(/assets/fonts/noto-sans-devanagari-devanagari-wght-normal.woff2) format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0900-097F,U+1CD0-1CF9,U+200C-200D,U+20A8,U+20B9,U+25CC,U+A830-A839,U+A8E0-A8FF}
:root,[data-theme=light]{color-scheme:light;--bg:#fafafa;--surface:#fff;--ink:#18181b;--muted:#52525b;--line:#e4e4e7;--soft:#f4f4f5;--accent:#047857;--accent-d:#065f46;--on-accent:#fff;--accent-soft:#ecfdf5;--hbg:rgba(250,250,250,.86)}
[data-theme=dark]{color-scheme:dark;--bg:#0c0c0e;--surface:#151518;--ink:#fafafa;--muted:#a1a1aa;--line:#27272a;--soft:#1c1c20;--accent:#34d399;--accent-d:#6ee7b7;--on-accent:#04281d;--accent-soft:#0f2a22;--hbg:rgba(12,12,14,.86)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.65 "Plus Jakarta Sans","Noto Sans Devanagari",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-wrap:break-word;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
img,svg,video{max-width:100%;height:auto}
a{color:var(--accent)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
main.wrap{max-width:780px}
h1,h2,h3{letter-spacing:-.02em;line-height:1.15;font-weight:800;word-spacing:.04em}
h3{letter-spacing:0}
h1{font-size:clamp(30px,6vw,46px);margin:14px 0 12px}
h2{font-size:clamp(23px,4vw,30px);margin:0 0 14px}
h3{font-size:19px;margin:0 0 6px}
p{margin:0 0 14px}
ul,ol{padding-left:22px;margin:0 0 14px}
li{margin-bottom:6px}
mark{background:none;color:var(--accent);box-shadow:inset 0 -.32em 0 var(--accent-soft)}
.lead{color:var(--muted);font-size:clamp(17px,2.4vw,19px);max-width:60ch;margin:0 0 24px}
.meta,.crumbs{font-size:14px;color:var(--muted)}
.crumbs{margin:22px 0 0}.crumbs a{color:var(--muted)}
main.wrap section{margin-top:34px}
[hidden]{display:none!important}
/* header */
header.site{position:sticky;top:0;z-index:20;background:var(--hbg);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top)}
header.site .wrap{display:flex;align-items:center;gap:8px;min-height:60px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;letter-spacing:-.02em;color:var(--ink);text-decoration:none;margin-right:auto}
.brand b{color:var(--accent)}
.logo{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--accent);color:var(--on-accent);font-size:16px}
nav{display:flex;gap:2px}
nav a{padding:9px 12px;border-radius:8px;font-size:15px;font-weight:600;text-decoration:none;color:var(--muted);white-space:nowrap}
nav a:hover{background:var(--soft);color:var(--ink)}
.theme{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);cursor:pointer;flex:none}
.theme:hover{border-color:var(--accent)}
.theme svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.theme .i-sun{display:none}
[data-theme=dark] .theme .i-sun{display:block}
[data-theme=dark] .theme .i-moon{display:none}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:10px;padding:10px 20px;font-family:inherit;font-weight:700;font-size:16px;line-height:1;text-decoration:none;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.btn:hover{border-color:var(--accent)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn-primary:hover{background:var(--accent-d);border-color:var(--accent-d)}
/* hero */
.hero{padding:clamp(40px,8vw,84px) 0 8px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,5vw,56px);align-items:center}
.hero h1{font-size:clamp(34px,7vw,60px);margin:0 0 16px}
.cta{display:flex;gap:10px;flex-wrap:wrap}
.demo{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:clamp(18px,3vw,26px)}
.demo p{margin:0}
.demo-l{font-size:13px;color:var(--muted);font-weight:600}
.demo-old{font:600 clamp(24px,5vw,30px)/1.3 ui-monospace,Menlo,Consolas,monospace;color:var(--accent);margin:2px 0 8px;overflow-wrap:anywhere}
.demo-arrow{color:var(--muted);font-size:20px;margin:2px 0 6px}
.demo-new{font-size:clamp(34px,7vw,46px);font-weight:700;line-height:1.3;margin:2px 0 10px}
.demo-cap{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:6px}
/* sections */
.sec{padding:clamp(44px,7vw,72px) 0 0}
.cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:16px}
.cat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
.cat.soon{background:transparent;border-style:dashed}
.cat h3{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-size:21px}
.cat h3 a{color:var(--ink);text-decoration:none}
.cat h3 a:hover{color:var(--accent)}
.count{font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap}
.cat p{color:var(--muted);font-size:16px}
.tl{list-style:none;padding:0;margin:14px 0 0}
.tl li{margin:0}
.tl a,.tl span.s{display:flex;justify-content:space-between;gap:10px;padding:11px 0;border-top:1px solid var(--line);font-size:16px}
.tl a{text-decoration:none;color:var(--ink);font-weight:700}
.tl a:hover{color:var(--accent)}
.tl span.s{color:var(--muted)}
.tl small{font-weight:600;color:var(--muted);font-size:13px}
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:28px}
.why p{color:var(--muted);font-size:16px;margin:0}
.install-box{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:clamp(20px,4vw,32px)}
.install-box p{color:var(--muted)}
.installed{color:var(--accent);font-weight:700}
.how{background:var(--soft);border-radius:12px;padding:14px 18px;font-size:15px}
.how summary{cursor:pointer;font-weight:700}
.how ul{margin:10px 0 0}
.posts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:16px}
.posts a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;color:var(--ink);font-weight:700}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:12px;padding:0;list-style:none}
.cards a,.cards span.soon{display:block;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;text-decoration:none;font-weight:700;color:var(--ink)}
.cards a:hover{border-color:var(--accent)}
/* ===== tool components (use on every tool page) ===== */
.tool{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:clamp(14px,3vw,22px);margin:6px 0 0}
.panes{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pane label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
textarea,select,input[type=text],input[type=number]{width:100%;font-family:inherit;font-size:16px;line-height:1.5;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
textarea{min-height:240px;resize:vertical;display:block}
textarea:focus,select:focus,input:focus{outline:2px solid var(--accent);outline-offset:1px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;align-items:center}
.actions .grow{flex:1}
.drop{border:2px dashed var(--line);border-radius:12px;padding:clamp(22px,5vw,36px) 14px;text-align:center;cursor:pointer;background:var(--bg)}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-soft)}
.opts{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:14px 0 0}
.note{font-size:14px;color:var(--muted);margin:12px 0 0}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:16px}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700}
details p{margin:10px 0 0}
/* footer */
footer{margin-top:clamp(56px,9vw,96px);background:var(--surface);border-top:1px solid var(--line);padding:36px 0 calc(28px + env(safe-area-inset-bottom));color:var(--muted);font-size:15px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
footer h4{margin:0 0 8px;color:var(--ink);font-size:15px}
footer a{display:block;color:var(--muted);text-decoration:none;padding:4px 0}
footer a:hover{color:var(--accent)}
.copy{margin-top:24px;padding-top:16px;border-top:1px solid var(--line);font-size:14px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
/* responsive */
@media(max-width:820px){
 .hero .wrap,.install-box{grid-template-columns:1fr}
 .fgrid{grid-template-columns:1fr 1fr}
 .fgrid>div:first-child{grid-column:1/-1}
}
@media(max-width:700px){
 .panes{grid-template-columns:1fr}
 textarea{min-height:170px}
 .actions{display:grid;grid-template-columns:1fr 1fr}
 .actions .btn-primary{grid-column:1/-1}
}
@media(max-width:640px){
 header.site .wrap{flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
 nav{order:3;width:100%;overflow-x:auto;scrollbar-width:none;margin:0 -6px;padding-bottom:4px}
 nav::-webkit-scrollbar{display:none}
 .cta .btn{flex:1 1 100%}
 body{font-size:16.5px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* blog */
.byline{font-size:14px;color:var(--muted);margin:0 0 22px}
.post h2{margin-top:34px}
.post table{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.post th{background:var(--soft)}
.callout{background:var(--accent-soft);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:16px 18px;margin:22px 0}
.callout p{margin:0 0 8px}.callout p:last-child{margin:0}
.blogs{display:grid;gap:14px;padding:0;list-style:none}
.blogs a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;text-decoration:none;color:var(--ink)}
.blogs a:hover{border-color:var(--accent)}
.blogs strong{display:block;font-size:19px;letter-spacing:-.01em;margin-bottom:4px}
.blogs span{color:var(--muted);font-size:15px}
/* speed test */
.speed{padding:clamp(16px,3vw,26px)}
.meter{text-align:center;padding:10px 0 18px}
.phase{font-size:14px;font-weight:700;color:var(--muted);min-height:22px}
.big{font-size:clamp(56px,16vw,92px);font-weight:800;letter-spacing:-.04em;line-height:1.05;margin:4px 0 0;font-variant-numeric:tabular-nums}
.unit{font-size:16px;font-weight:700;color:var(--muted)}
.sub{font-size:14px;color:var(--muted);min-height:20px;margin-top:2px}
.bar{height:6px;background:var(--soft);border-radius:99px;overflow:hidden;margin:16px auto 0;max-width:420px}
.bar i{display:block;height:100%;width:0;background:var(--accent);border-radius:99px;transition:width .4s ease}
.start{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:16px 0 4px}
.start .btn{min-width:170px;min-height:52px;font-size:17px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 10px;text-align:center}
.stat b{display:block;font-size:clamp(20px,4.6vw,26px);font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{font-size:12px;font-weight:700;color:var(--muted)}
.stat.live{border-color:var(--accent)}
.verdict{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}
.verdict h3{font-size:16px;margin-bottom:8px}
.verdict ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:6px 18px}
.verdict li{display:flex;justify-content:space-between;gap:10px;font-size:15px;margin:0;padding:6px 0;border-bottom:1px solid var(--line)}
.tag{font-weight:800;font-size:13px}
.tag.good{color:var(--accent)}.tag.ok{color:#b45309}.tag.poor{color:#b91c1c}
[data-theme=dark] .tag.ok{color:#fbbf24}[data-theme=dark] .tag.poor{color:#f87171}
.err{color:#b91c1c;font-weight:600;text-align:center;margin-top:12px}
[data-theme=dark] .err{color:#f87171}
.hist{margin-top:16px;font-size:14px}
.hist table{font-size:14px}
.hist th,.hist td{padding:7px 8px}
.linkbtn{background:none;border:0;color:var(--accent);font:inherit;font-weight:700;cursor:pointer;padding:6px 0}
@media(max-width:560px){.stats{grid-template-columns:1fr 1fr}.verdict ul{grid-template-columns:1fr}.start .btn{flex:1 1 100%}}
/* ping test */
.spark{margin-top:16px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.spark svg{display:block;width:100%;height:90px}
.spark .ln{fill:none;stroke:var(--accent);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.spark .gl{stroke:var(--line);stroke-width:1}
.spark .pt{fill:var(--accent)}
.spark small{display:block;color:var(--muted);font-size:12px;margin-top:4px}
/* numerals tool */
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--bg);max-width:100%}
.seg button{border:0;background:transparent;color:var(--muted);font:inherit;font-weight:700;font-size:15px;padding:11px 16px;cursor:pointer;min-height:44px}
.seg button[aria-pressed=true]{background:var(--accent);color:var(--on-accent)}
.optrow{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:0 0 14px}
.optrow label{font-weight:700;font-size:14px}
.optrow select{width:auto;min-width:200px;max-width:100%}
.digits{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.dg{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 6px;text-align:center}
.dg b{display:block;font-size:26px;line-height:1.2}
.dg span{display:block;font-size:13px;color:var(--muted)}
@media(max-width:520px){.digits{grid-template-columns:repeat(2,1fr)}.seg{width:100%}.seg button{flex:1;padding:11px 8px;font-size:14px}.optrow select{width:100%}}