:root{--bg:var(--tools-paper);--ink:var(--tools-ink);--muted:var(--tools-muted);--green:var(--tools-primary);--green-dark:var(--tools-primary-hover);--line:var(--tools-line);--soft:var(--tools-pale)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,textarea{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}a{color:var(--green);text-underline-offset:4px}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #ad7c18;outline-offset:4px}[hidden]{display:none!important}.wrap{width:min(1240px,calc(100% - 64px));margin-inline:auto}.icon{flex-shrink:0;vertical-align:middle}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;gap:9px;align-items:center;text-decoration:none;color:var(--ink);font-weight:800;letter-spacing:-.7px;font-size:21px}.brand-mark{background:var(--green);color:#fff;display:grid;place-items:center;width:33px;height:33px;border-radius:9px}.brand-mark .icon{width:23px;height:23px}.brand-divider{height:22px;width:1px;background:var(--line);margin:0 5px}.brand-tools{font-size:15px;font-weight:500;color:var(--muted);letter-spacing:0}.header-inner nav{display:flex;align-items:center;gap:30px}.header-inner nav a{color:var(--muted);text-decoration:none;font-size:13px;font-weight:550;min-height:44px;display:inline-flex;align-items:center}.header-inner nav a:hover{color:var(--green)}.home-link{gap:9px}.home-link .icon{width:16px}.breadcrumb{display:flex;gap:12px;font-size:12px;color:var(--muted);margin:26px 0 30px}.breadcrumb a{text-decoration:none;color:var(--muted)}.hero{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:38px}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:750;color:var(--green);margin:0 0 10px}.hero .eyebrow{display:flex;align-items:center;gap:8px}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--green)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(30px,3.5vw,45px);letter-spacing:-1.9px;line-height:1.2;margin-bottom:16px}.title-dot{color:var(--green)}h2{font-size:23px;line-height:1.35;letter-spacing:-.65px;margin-bottom:12px}.intro{font-size:15px;color:var(--muted);line-height:1.8;margin:0}.hero-note{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);padding:12px 0 12px 25px;border-left:1px solid var(--line);flex-shrink:0}.note-icon{font-size:38px;color:var(--green);line-height:1}.hero-note strong{font-weight:550;color:var(--ink)}.muted{color:var(--muted)}.section-top{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:20px}.section-top h2{margin-bottom:5px}.section-top p{margin-bottom:0;font-size:12px}.section-top .eyebrow{font-size:10px;margin-bottom:8px}.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:8px;border:1px solid var(--line);background:white;color:var(--ink);font-weight:650;text-decoration:none;font-size:13px;padding:11px 16px;transition:background .15s,border-color .15s}.button:not(:disabled):hover{background:var(--soft);border-color:#bfb6ca}.button.primary{background:var(--green);color:#fff;border-color:var(--green)}.button.primary:not(:disabled):hover{background:var(--green-dark)}.button.small{min-height:44px;font-size:12px;padding:8px 13px}.text-button{border:0;background:transparent;color:var(--green);padding:10px 0;font-size:12px;text-decoration:underline;text-underline-offset:3px;min-height:44px}.ip-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.ip-card{padding:25px 28px;border:1px solid var(--line);border-radius:14px;background:white;min-width:0;display:flex;align-items:flex-start;flex-direction:column}.ip-card:first-child{background:#f0edf4;border-color:#d2c9dc}.card-top{display:flex;align-items:center;justify-content:space-between;gap:15px;width:100%;margin-bottom:20px}.card-top h3{font-size:15px;margin:0}.badge{font-size:10px;border:1px solid var(--line);padding:3px 9px;border-radius:20px;color:var(--muted);background:#f8f7fa}.ip-value{font:600 clamp(20px,2vw,29px)/1.45 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:-.6px;overflow-wrap:anywhere;margin-bottom:12px}.ip-hint{font-size:12px;color:var(--muted);margin-bottom:20px;flex:1}.status-message{font-size:12px;line-height:1.7;margin:14px 0 0;padding:12px 15px;background:var(--tools-pale);border-radius:8px;color:var(--muted)}.status-message.error{background:#fff1ef;color:#a42c2c}.results-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted);margin-top:2px}.copy-status{font-size:12px;color:var(--green);margin:0;min-height:22px}#copy-fallback{margin:10px 0 20px;font-size:12px}#copy-text{display:block;width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;resize:vertical;color:var(--ink);background:white;margin-top:6px}.network-workspace{display:grid;grid-template-columns:1.15fr 1fr;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:18px;box-shadow:0 8px 32px #2e233c05}.details-panel{padding:28px;border-right:1px solid var(--line);min-width:0}.ip-switch{padding:0;border:0;display:flex;gap:8px;margin:0 0 12px}.ip-switch legend{font-size:12px;color:var(--muted);padding:0;margin-bottom:8px}.ip-switch label{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:6px 13px;border-radius:8px;border:1px solid var(--line);font-size:12px;cursor:pointer}.ip-switch label:has(input:checked){background:var(--soft);border-color:#a597b6;color:var(--green)}.ip-switch label:has(input:disabled){color:#76717b;cursor:default}.ip-switch input{accent-color:var(--green);width:16px;height:16px;margin:0}.selected-ip{font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere;margin-bottom:5px}.detail-status{color:var(--muted);font-size:11px;margin-bottom:10px}.details-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;margin:18px 0}.details-grid>div{min-width:0;padding:13px 0;border-top:1px solid var(--line)}.details-grid>div:first-child,.details-grid>div:last-child{grid-column:1/-1}.details-grid dt{font-size:11px;color:var(--muted);margin-bottom:4px}.details-grid dd{margin:0;font-size:13px;font-weight:550;overflow-wrap:anywhere}.map-panel{display:flex;flex-direction:column;min-width:0;background:#faf9fc}.map-heading{padding:22px 24px;display:flex;justify-content:space-between;align-items:center;gap:10px}.map-heading h2{font-size:14px;letter-spacing:0;margin:0}.map-canvas{position:relative;min-height:345px;flex:1;background:#eeeaf2}.map-empty{position:absolute;inset:0;overflow:hidden;background-image:linear-gradient(#81788b10 1px,transparent 1px),linear-gradient(90deg,#81788b10 1px,transparent 1px);background-size:35px 35px;display:grid;place-items:center}.empty-content{text-align:center;padding:24px}.empty-pin{display:grid;place-items:center;margin:0 auto 24px;width:64px;height:64px;border-radius:50%;background:#fff;box-shadow:0 0 0 10px #ffffff50;color:var(--green)}.empty-content h3{font-size:19px;font-weight:600;letter-spacing:-.5px;margin-bottom:10px}.empty-content p{font-size:12px;line-height:1.8;color:var(--muted);margin-bottom:20px}#map{width:100%;height:100%;position:absolute;inset:0;border:0}.map-foot{padding:20px 24px 12px;overflow-wrap:anywhere}.map-foot p{font-size:13px;font-weight:550;margin-bottom:8px}.map-foot a{font-size:12px}.location-note{padding:0 24px 22px;font-size:11px;color:var(--muted);margin:0}.privacy-note{font-size:11px;color:var(--muted);margin:17px 0 0;text-align:center}.privacy-note a{white-space:nowrap}.guide-section{padding:62px 0 42px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:27px}.section-heading h2{margin:0;font-size:25px}.section-heading>p{font-size:12px;color:var(--muted);margin:0}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:35px;padding:0;margin:0}.steps li{padding:22px 0;border-top:1px solid var(--line)}.step-number{display:inline-block;color:var(--green);font:12px ui-monospace,monospace;margin-bottom:13px;background:#ebe7f0;padding:5px 9px;border-radius:5px}.steps h3{font-size:15px;margin-bottom:7px;font-weight:650}.steps p{font-size:12px;color:var(--muted);margin:0;max-width:340px}.knowledge{padding:32px;background:#ede9f2;border:1px solid #e1dce8;border-radius:12px;display:grid;grid-template-columns:1.25fr 1fr;gap:45px;align-items:center}.knowledge p{font-size:13px;color:var(--muted);margin-bottom:12px}.knowledge p:last-child{margin-bottom:0}.comparison{padding:24px;border:1px solid #d8d0e2;border-radius:10px;background:var(--tools-paper)}.comparison>div+div{border-top:1px solid var(--line);padding-top:18px;margin-top:18px}.reference-label{font-size:10px;letter-spacing:1.5px;color:var(--green)}.comparison h3{font-size:14px;margin:6px 0}.comparison p{font-size:12px}.faq-section{display:grid;grid-template-columns:1fr 1.65fr;gap:60px;padding:60px 0 30px}.faq-section h2{font-size:27px}.faq-section .muted{font-size:13px}.faq-list details{border-bottom:1px solid var(--line)}.faq-list details:first-child{border-top:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 0;font-size:13px;font-weight:600}summary::-webkit-details-marker{display:none}summary>span{font-size:19px;font-weight:400;color:var(--green)}details[open] summary>span{transform:rotate(45deg)}details p{color:var(--muted);font-size:12px;margin:0 20px 20px 0;line-height:1.85}.source-note{padding:17px 20px;background:white;border:1px solid var(--line);border-radius:8px;font-size:12px;color:var(--muted)}.related{padding:35px 0 45px;display:flex;align-items:center;justify-content:space-between;gap:20px}.related h2{font-size:14px;letter-spacing:0;margin:0}.related>div{display:flex;gap:24px;flex-wrap:wrap}.related a{display:inline-flex;align-items:center;min-height:44px;font-size:12px;text-decoration:none}.site-footer{border-top:1px solid var(--line);padding:27px 0;background:white}.site-footer>.wrap{display:flex;align-items:center;gap:22px}.site-footer .brand{font-size:16px}.site-footer .brand-tools{font-size:12px}.site-footer p{margin:0;font-size:11px;color:var(--muted);flex:1}.site-footer a:not(.brand),.site-footer span:last-child:not(.brand-tools){font-size:11px;color:var(--muted)}.skip-link{position:absolute;left:20px;top:-100px;z-index:10;background:white;padding:12px}.skip-link:focus{top:15px}
@media(max-width:1000px){.wrap{width:calc(100% - 40px)}.hero-note{display:none}.details-panel{padding:23px}.network-workspace{grid-template-columns:1.05fr 1fr}.knowledge{gap:25px;padding:25px}.faq-section{gap:30px}.related{align-items:flex-start;flex-direction:column;gap:12px}}
@media(max-width:760px){.wrap{width:calc(100% - 32px)}.header-inner{min-height:68px}.header-inner nav{gap:18px}.header-inner nav .home-link{display:none}.brand{font-size:18px}.brand-divider{margin:0}.brand-tools{font-size:13px}.breadcrumb{margin:22px 0}.hero{margin-bottom:28px}h1{font-size:35px;letter-spacing:-1.5px}.intro{font-size:13px}.section-top{gap:12px}.section-top h2{font-size:21px}.section-top>button{flex-shrink:0}.ip-grid{grid-template-columns:1fr;gap:12px}.ip-card{padding:22px}.card-top{margin-bottom:14px}.ip-value{font-size:25px}.ip-hint{margin-bottom:14px}.network-workspace{grid-template-columns:1fr}.details-panel{border-right:0;border-bottom:1px solid var(--line);padding:24px}.map-canvas{min-height:345px}.privacy-note{text-align:left;line-height:1.9}.section-heading{display:block}.section-heading>p{display:none}.guide-section{padding:45px 0 25px}.section-heading h2{font-size:23px}.steps{gap:18px}.knowledge{grid-template-columns:1fr;gap:20px}.faq-section{grid-template-columns:1fr;gap:12px;padding:42px 0 25px}.faq-section .muted br{display:none}.related>div{gap:8px 24px}.site-footer>.wrap{flex-wrap:wrap;gap:15px}.site-footer p{flex-basis:60%}.site-footer>.wrap>span:last-child{margin-left:auto}#copy-text{font-size:16px}}
@media(max-width:420px){.brand-tools,.brand-divider{display:none}.header-inner nav{gap:16px}.header-inner nav a{font-size:12px}.hero .eyebrow{font-size:9px}h1{font-size:32px}.desktop-break{display:none}.section-top{flex-wrap:wrap}.section-top>button{min-height:44px}.ip-card{padding:20px}.ip-value{font-size:23px}.details-panel{padding:21px}.details-grid{gap:0 14px}.results-toolbar{flex-wrap:wrap;gap:0}.steps{grid-template-columns:1fr;gap:0}.steps li{position:relative;padding:19px 0 19px 45px}.step-number{position:absolute;left:0;top:22px}.steps p{max-width:none}.knowledge{padding:21px}.comparison{padding:18px}.site-footer p{flex-basis:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
/* Speedtest workspace */
.test-workspace{display:grid;grid-template-columns:330px minmax(0,1fr);background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 32px #2e233c05}.test-controls{padding:28px;border-right:1px solid var(--line)}.test-controls>.muted{font-size:13px;margin-bottom:23px}.full{width:100%}.mode-options{border:0;padding:0;margin:0}.mode-options legend{font-size:12px;font-weight:650;padding:0;margin-bottom:10px}.mode-option{display:flex;gap:10px;align-items:center;padding:14px 12px;border:1px solid var(--line);border-radius:9px;margin-bottom:9px;cursor:pointer}.mode-option:has(input:checked){background:var(--soft);border-color:#a293b5}.mode-option input{accent-color:var(--green);width:17px;height:17px;margin:0;flex-shrink:0}.mode-option>span{min-width:0}.mode-option strong{font-size:13px;display:flex;align-items:center;gap:10px}.mode-option small{display:block;font-size:11px;color:var(--muted);margin-top:3px}.mode-badge{font-size:9px;font-weight:500;color:var(--green);padding:1px 6px;background:#fff;border-radius:5px}.mode-options:disabled{opacity:.65}.mode-options:disabled label{cursor:default}.data-note{font-size:11px;color:var(--muted);line-height:1.8;margin:12px 0 20px}.engine-note{display:flex;align-items:center;justify-content:center;gap:6px;font-size:10px;color:var(--muted);margin:12px 0 25px}.stop-button{margin-top:10px;color:#a42c2c;border-color:#edd8d4}.preflight{padding-top:21px;border-top:1px solid var(--line)}.preflight h3{font-size:12px;margin-bottom:9px}.preflight ul{padding-left:18px;margin:0;color:var(--muted);font-size:12px;line-height:2}.test-results{padding:28px;min-width:0}.result-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px}.result-top .eyebrow{margin-bottom:6px}.result-top h2{margin:0}.result-top .badge{flex-shrink:0}.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.metric{border:1px solid var(--line);background:#f9f8fb;padding:23px;border-radius:11px;min-width:0}.metric h3{font-size:12px;font-weight:650;margin-bottom:13px;display:flex;align-items:center;gap:7px}.metric h3>span{font-size:16px}.metric-reading{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap;line-height:1.2;margin-bottom:11px}.metric-reading>span:first-child{font:600 clamp(25px,3.5vw,44px)/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:-1.5px;overflow-wrap:anywhere;max-width:100%}.metric-reading .unit{font-size:12px;color:var(--muted);font-weight:500}.metric p{font-size:11px;margin:0;color:var(--muted)}.metric-featured{color:#fff;background:var(--green);border-color:var(--green)}.metric-featured .unit,.metric-featured p{color:#e5deed}.metric.compact .metric-reading>span:first-child{font-size:30px}.phase-heading{display:flex;justify-content:space-between;gap:16px;font-size:11px;color:var(--muted);margin:23px 0 12px}.phase-heading>span:first-child{font-weight:650;color:var(--ink)}.test-stages{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;list-style:none;margin:0;padding:0}.test-stages li{border-top:3px solid var(--line);padding-top:8px;font-size:11px;color:var(--muted)}.test-stages li>span{font-size:10px;margin-right:3px}.test-stages li.active{border-color:var(--green);color:var(--green);font-weight:700}.test-stages li.done{border-color:#9a89ae}.test-results .status-message{min-height:64px;display:flex;align-items:center}.test-results .results-toolbar{margin-top:8px;flex-wrap:wrap}.conversion-example{font-size:clamp(18px,2vw,25px)!important;font-family:ui-monospace,monospace;letter-spacing:-1px;color:var(--green)!important;margin-top:13px}.comparison hr{height:1px;background:var(--line);border:0;margin:18px 0}.troubleshoot{padding-top:46px}.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}.tip-grid article{padding:22px;background:white;border:1px solid var(--line);border-radius:10px}.tip-grid h3{font-size:14px;margin-bottom:8px}.tip-grid p{font-size:12px;color:var(--muted);margin:0}.source-note h2{font-size:15px;letter-spacing:0;margin-bottom:10px}.source-note p:last-child{margin-bottom:0}
@media(max-width:1000px){.test-workspace{grid-template-columns:295px minmax(0,1fr)}.test-controls,.test-results{padding:23px}.metric{padding:20px}.result-top{align-items:flex-start;flex-direction:column;gap:10px}}
@media(max-width:760px){.test-workspace{grid-template-columns:1fr}.test-controls{border-right:0;border-bottom:1px solid var(--line);padding:24px}.test-results{padding:24px}.mode-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mode-option{align-items:flex-start;padding:12px;margin-bottom:0}.mode-option input{margin-top:4px}.mode-option strong{flex-wrap:wrap;gap:3px 8px}.mode-option small{font-size:10px}.preflight{display:none}.engine-note{margin-bottom:0}.metric-reading>span:first-child{font-size:32px}.metric{padding:19px}.metric.compact .metric-reading>span:first-child{font-size:27px}.metric-grid{gap:10px}.result-top{flex-direction:row;align-items:center}.result-top .eyebrow{font-size:9px}.result-top h2{font-size:21px}.tip-grid{grid-template-columns:1fr;gap:12px}.tip-grid article{padding:20px}.troubleshoot{padding-top:32px}.source-note{font-size:12px}}
@media(max-width:420px){.test-controls,.test-results{padding:20px}.mode-options{grid-template-columns:1fr}.mode-option{align-items:center}.mode-option input{margin-top:0}.mode-option strong{gap:10px}.mode-option small{font-size:11px}.metric{padding:15px 12px}.metric-reading{gap:5px}.metric-reading>span:first-child{font-size:27px}.metric.compact .metric-reading>span:first-child{font-size:25px}.metric h3{font-size:11px}.metric p{font-size:10px}.metric-reading .unit{font-size:10px}.result-top{align-items:flex-start;flex-direction:column}.test-stages{gap:8px}.test-stages li{font-size:10px}.test-stages li>span{display:none}}