@font-face{font-family:Vazirmatn;font-style:normal;font-weight:400;font-display:swap;src:url('/assets/vazirmatn-400-v21.woff2') format('woff2')}
@font-face{font-family:Vazirmatn;font-style:normal;font-weight:800;font-display:swap;src:url('/assets/vazirmatn-800-v21.woff2') format('woff2')}
:root{color-scheme:light;--blue:#0066ee;--blue-hover:#0055c8;--navy:#112131;--text:#304359;--muted:#64768a;--subtle:#77869a;--line:#e6ebf2;--soft:#f3f8ff;--error:#a3283d;font-family:Vazirmatn,Tahoma,Arial,sans-serif;color:var(--text);background:#fff;font-synthesis:none}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;min-width:280px;-webkit-font-smoothing:antialiased}
button,textarea{font:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
a:hover{color:var(--blue)}
button:focus-visible,a:focus-visible,textarea:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
[hidden]{display:none!important}
h1,h2,h3,p{margin:0}
svg{flex-shrink:0}
.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.container{width:min(1120px,calc(100% - 64px));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.skip-link{position:fixed;top:8px;right:16px;z-index:20;padding:10px 15px;background:var(--navy);color:#fff;transform:translateY(-150%);border-radius:6px}
.skip-link:focus{transform:translateY(0)}

.site-header{border-bottom:1px solid var(--line);background:#fff}
.header-inner{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;flex-shrink:0}
.brand img{display:block;width:164px;height:auto;max-width:100%}
.header-inner nav{display:flex;gap:22px;align-items:center;font-size:13px}
.header-inner nav a{display:inline-flex;gap:5px;align-items:center;min-height:44px}
.header-inner nav .icon{width:16px;height:16px;color:var(--subtle)}
.nav-divider{height:17px;width:1px;background:var(--line)}
.main-content{padding-block:55px 32px}
.page-heading{text-align:center}
.eyebrow{display:flex;gap:9px;align-items:center;justify-content:center;color:var(--muted);font-size:11px}
.eyebrow>span:first-child{width:6px;height:6px;background:var(--blue);border-radius:50%}
.eyebrow-slash{color:#abb9ca;margin-inline:2px}
.eyebrow bdi{font-family:Arial,sans-serif;font-size:10px;letter-spacing:1.4px;color:var(--blue)}
h1{font-size:39px;font-weight:800;color:var(--navy);letter-spacing:-.7px;line-height:1.6;margin-top:11px}
.page-description{color:var(--muted);font-size:14px;line-height:1.9;margin-top:6px}

.test-panel{max-width:960px;margin:25px auto 0}
.panel-header{display:flex;align-items:center;justify-content:center}
.server-badge{display:inline-flex;align-items:center;justify-content:center;gap:9px;color:var(--muted);font-size:12px;line-height:1.8;flex-wrap:wrap}
.server-badge .icon{width:17px;height:17px;color:var(--blue)}
.server-badge bdi{font-family:Arial,sans-serif;font-size:13px;color:var(--navy)}
.server-badge>span:last-child{border-inline-start:1px solid #d6e1ed;padding-inline-start:10px;font-size:11px}
.test-control{display:flex;align-items:center;flex-direction:column;margin-top:23px;text-align:center}
.primary-button,.stop-button{min-width:182px;min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:6px;padding:11px 26px;font-size:14px;font-weight:800;transition:background .15s,border-color .15s}
.primary-button{border:1px solid var(--blue);background:var(--blue);color:#fff}
.primary-button:hover:not(:disabled){background:var(--blue-hover);border-color:var(--blue-hover)}
.primary-button:disabled{background:#edf2f8;border-color:#e1e8f0;color:#74859a}
.primary-button .icon{width:18px;height:18px}
.stop-button{border:1px solid #becfe3;background:#fff;color:var(--text)}
.stop-button:hover{background:var(--soft);border-color:#91b3df}
.stop-button .icon{width:17px;height:17px}
.how-link{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;margin-top:5px;color:var(--blue);font-size:11px}
.how-link:hover{text-decoration:underline;text-underline-offset:4px}
.how-link span{font-family:Arial,sans-serif;font-size:14px}
.data-consent{max-width:510px;font-size:11px;line-height:1.95;color:var(--muted);margin-top:3px}
.data-consent strong{font-weight:400;color:var(--text)}
.test-status{font-size:12px;line-height:1.9;color:var(--muted);margin-top:18px;min-height:23px;max-width:640px}
.test-error{width:100%;max-width:640px;margin-top:12px;color:var(--error);background:#fff5f6;border:1px solid #f2dce0;border-radius:6px;padding:11px 14px;font-size:12px;line-height:1.9;text-align:start}
.network-notice{max-width:640px;margin:18px auto 0;padding:11px 14px;background:#fff5f6;border:1px solid #f2dce0;color:var(--error);font-size:12px;line-height:1.9;border-radius:6px}
.progress-area{width:100%;margin-top:25px}
.progress-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:10px;color:var(--subtle);margin-bottom:9px}
#progress-percent{font:11px/1.6 Arial,sans-serif;font-variant-numeric:tabular-nums}
progress{appearance:none;-webkit-appearance:none;display:block;width:100%;height:4px;border:0;border-radius:4px;overflow:hidden;background:#edf2f7;color:var(--blue)}
progress::-webkit-progress-bar{background:#edf2f7;border-radius:4px}
progress::-webkit-progress-value{background:var(--blue);border-radius:4px;transition:width .2s linear}
progress::-moz-progress-bar{background:var(--blue);border-radius:4px}
.test-readings{display:flex;flex-direction:column;min-width:0}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:28px}
.metric-card{min-width:0;text-align:center;padding:8px 18px 14px;border-radius:5px;transition:background .15s}
.metric-card+.metric-card{border-inline-start:1px solid var(--line);border-radius:0}
.metric-card.is-active{background:var(--soft)}
.metric-heading{display:flex;align-items:center;justify-content:center;gap:9px}
.metric-icon{display:flex;align-items:center;justify-content:center;color:var(--blue)}
.metric-icon .icon{width:21px;height:21px}
.metric-heading h3{font-size:13px;font-weight:400;line-height:1.7;color:var(--text)}
.metric-heading div>span{display:block;font:10px/1.5 Arial,sans-serif;color:var(--subtle);margin-top:1px}
.metric-value{display:flex;flex-direction:column;align-items:center;gap:5px;margin-top:14px}
.metric-value output{font:400 39px/1.25 Arial,Helvetica,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-1px;color:var(--navy);max-width:100%;overflow-wrap:anywhere}
.metric-value>span{font:11px/1.5 Arial,sans-serif;color:var(--subtle)}
.metric-card>p{font-size:10px;color:var(--subtle);line-height:1.7;margin-top:10px}
.test-steps{display:flex;align-items:center;justify-content:center;gap:34px;list-style:none;margin:26px 0 0;padding:0}
.test-steps li{display:flex;align-items:center;gap:7px;font-size:10px;color:var(--subtle)}
.step-number{width:21px;height:21px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9px}
.test-steps li.is-active{color:var(--blue)}
.test-steps li.is-active .step-number{border-color:var(--blue);background:var(--soft)}
.test-steps li.is-done .step-number{background:#e8f2ff;border-color:#d2e4fc;color:var(--blue)}
.panel-footer{display:flex;align-items:center;flex-direction:column;gap:17px;margin-top:24px}
.run-details{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;font-size:10px;line-height:1.8;color:var(--subtle)}
.run-details>span:first-child{display:inline-flex;align-items:center;gap:6px}
.run-details .icon{width:14px;height:14px}
.detail-separator{height:12px;width:1px;background:var(--line)}
.copy-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:9px 17px;border:1px solid #cfdceb;border-radius:6px;background:#fff;color:var(--blue);font-size:12px}
.copy-button .icon{width:16px;height:16px}
.copy-button:hover:not(:disabled){background:var(--soft)}
.copy-button:disabled{border-color:var(--line);color:#8090a3;background:#fafbfd}
.copy-status{text-align:center;font-size:11px;line-height:1.9;color:var(--blue);margin-top:12px}
.manual-copy{max-width:650px;margin:18px auto 0;background:#fafcfe;border:1px solid var(--line);border-radius:8px;padding:18px}
.manual-copy label{display:block;font-size:12px;margin-bottom:9px}
.manual-copy textarea{display:block;resize:vertical;width:100%;min-height:150px;border:1px solid #c8d7e9;border-radius:5px;background:#fff;color:var(--text);padding:12px;font-size:13px;line-height:1.8}
.manual-copy p{font-size:11px;color:var(--muted);margin-top:8px}
.noscript-notice{max-width:640px;margin:18px auto 0;padding:14px 18px;color:var(--error);background:#fff5f6;border:1px solid #f2dce0;border-radius:6px;font-size:13px;line-height:1.9}

.how-it-works{scroll-margin-top:25px;border-top:1px solid var(--line);padding-top:32px;margin-top:46px}
.how-it-works>h2{font-size:18px;font-weight:800;color:var(--navy);line-height:1.7}
.how-intro{font-size:12px;line-height:1.95;color:var(--muted);margin-top:7px}
.guidance-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px;margin-top:25px}
.guidance-grid article{position:relative;min-width:0;padding-inline-start:31px}
.guide-index{position:absolute;inset-inline-start:0;top:0;color:#8196ae;font-size:11px;line-height:24px}
.guidance-grid h2{font-size:12px;font-weight:800;color:var(--text);line-height:24px}
.guidance-grid p{font-size:11px;color:var(--muted);line-height:2;margin-top:5px}
.guidance-grid a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.measurement-note{display:flex;align-items:flex-start;gap:8px;font-size:10px;color:var(--subtle);line-height:1.9;margin-top:28px}
.measurement-note .icon{width:15px;height:15px;margin-top:2px}
.site-footer{border-top:1px solid var(--line);background:#fafbfd}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:21px;font-size:10px;color:var(--muted);line-height:1.8}
.footer-inner>span>span{padding-inline:5px;color:#9cacc0}
.footer-inner>div{display:flex;align-items:center;gap:22px}
.footer-inner a{display:inline-flex;align-items:center;min-height:32px}

@media(max-width:850px){
  .container{width:calc(100% - 44px)}
  .main-content{padding-top:42px}
  .metric-card{padding-inline:11px}
  .metric-value output{font-size:35px}
  .guidance-grid{gap:23px}
  .guidance-grid article{padding-inline-start:26px}
}
@media(max-width:650px){
  .container{width:calc(100% - 36px)}
  .header-inner{min-height:78px;gap:14px}
  .brand img{width:137px}
  .header-inner nav{gap:12px;font-size:11px}
  .header-inner nav .icon{width:13px;height:13px}
  .main-content{padding-block:32px 26px}
  .eyebrow{font-size:10px;gap:8px}
  .eyebrow bdi{font-size:9px;letter-spacing:1px}
  h1{font-size:30px;margin-top:13px}
  .page-description{font-size:12px;max-width:320px;margin:8px auto 0}
  .test-panel{margin-top:23px}
  .server-badge{font-size:11px;gap:7px}
  .server-badge bdi{font-size:12px}
  .server-badge>span:last-child{font-size:10px;padding-inline-start:8px}
  .primary-button,.stop-button{min-width:182px;font-size:13px}
  .data-consent{max-width:355px;font-size:10px}
  .test-status{font-size:11px;margin-top:16px}
  .progress-area{margin-top:21px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:23px;gap:20px 0}
  .metric-card{padding:7px 14px 9px}
  .metric-card:nth-child(3){border-inline-start:0}
  .metric-value output{font-size:36px}
  .metric-value{margin-top:12px;gap:4px}
  .metric-card>p{margin-top:7px;font-size:9px}
  .metric-heading h3{font-size:12px}
  .test-steps{gap:22px;margin-top:23px}
  .test-steps li{font-size:9px;gap:6px}
  .panel-footer{margin-top:20px;gap:15px}
  .run-details{gap:5px;flex-direction:column;font-size:9px}
  .detail-separator{display:none}
  .test-error,.network-notice{font-size:11px}
  .how-it-works{margin-top:35px;padding-top:26px}
  .how-it-works>h2{font-size:17px}
  .how-intro{font-size:11px}
  .guidance-grid{grid-template-columns:1fr;gap:20px;margin-top:21px}
  .guidance-grid article{padding-inline-start:31px}
  .guidance-grid h2{font-size:12px}
  .guidance-grid p{font-size:11px;margin-top:3px}
  .measurement-note{font-size:9px;margin-top:24px}
  .footer-inner{flex-direction:column;align-items:flex-start;gap:10px;font-size:10px;padding-block:18px}
  .footer-inner a{min-height:36px}
  .manual-copy{padding:13px}
  .manual-copy textarea{font-size:16px}
}
@media(max-width:370px){
  .container{width:calc(100% - 28px)}
  .header-inner{gap:10px;min-height:72px}
  .brand img{width:116px}
  .header-inner nav{gap:8px;font-size:10px}
  .header-inner nav a{gap:2px}
  .header-inner nav .icon,.nav-divider{display:none}
  h1{font-size:27px}
  .page-description{font-size:11px}
  .server-badge{gap:5px;font-size:10px}
  .server-badge>span:last-child{font-size:9px}
  .server-badge .icon{width:15px;height:15px}
  .metric-card{padding-inline:10px}
  .metric-heading{gap:7px}
  .metric-heading .icon{width:18px;height:18px}
  .metric-value output{font-size:33px}
  .test-steps{gap:14px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media(forced-colors:active){.primary-button,.stop-button,.copy-button{border:1px solid ButtonText}.metric-card.is-active{outline:2px solid Highlight;outline-offset:-2px}progress{forced-color-adjust:auto}}