:root{
  --bg:#f2f0e9;--surface:#e8e5dc;--ink:#161a18;--muted:#666c67;--line:#c9c8c0;
  --accent:#b6f13c;--accent-ink:#162000;--danger:#d94a3f;--warn:#b87d13;--ok:#2c8d5a;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"Arial Narrow",Arial,Helvetica,sans-serif;--radius:6px;
}
[data-theme="dark"]{
  --bg:#0d0f0e;--surface:#151816;--ink:#f0f0e9;--muted:#949b95;--line:#303531;
  --accent:#b7f239;--accent-ink:#142000;--danger:#ff6b5f;--warn:#e1a53b;--ok:#54cb86;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);min-height:100vh}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(to right,color-mix(in srgb,var(--line) 22%,transparent) 1px,transparent 1px),linear-gradient(to bottom,color-mix(in srgb,var(--line) 16%,transparent) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to bottom,black,transparent 72%);opacity:.38}
button,input,select{font:inherit}.site-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,4vw,64px);border-bottom:1px solid var(--line);position:relative;z-index:2}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:inherit;font-weight:800;letter-spacing:-.04em;font-size:22px}.brand-mark{width:28px;height:28px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-family:var(--mono);font-size:15px;border-radius:2px}.icon-btn,.text-btn{border:0;background:none;color:inherit;cursor:pointer}.icon-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:50%}.theme-sun,.theme-moon{display:none}[data-theme="dark"] .theme-sun,[data-theme="light"] .theme-moon{display:inline}
main{position:relative;z-index:1}.screen{display:none;width:min(1120px,calc(100% - 40px));margin:0 auto;padding:72px 0 90px}.screen.active{display:block}.eyebrow,.section-no,.result-topline,.test-headline,.score-kicker{font:700 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.hero-screen h1{font-size:clamp(58px,9vw,126px);line-height:.82;letter-spacing:-.075em;margin:34px 0 28px;max-width:900px}.hero-screen h1 em{font-style:normal;color:var(--accent);text-shadow:0 0 0 var(--accent)}.lede{font-size:clamp(19px,2.2vw,29px);line-height:1.25;max-width:690px;color:var(--muted);margin:0 0 54px}
.symptoms{border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);margin-bottom:36px}.symptom{position:relative;text-align:left;padding:19px 14px 22px;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;min-height:102px}.symptom:first-child{border-left:1px solid var(--line)}.symptom b{display:block;font:600 10px var(--mono);color:var(--muted);margin-bottom:20px}.symptom span{font-size:15px;font-weight:700}.symptom:hover,.symptom.selected{background:var(--surface)}.symptom.selected:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:4px;background:var(--accent)}
.connection-prompt{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:30px 0}.connection-prompt>span{font-weight:700}.segmented{display:flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.segment{border:0;border-right:1px solid var(--line);background:transparent;color:var(--ink);padding:11px 17px;cursor:pointer}.segment:last-child{border-right:0}.segment.selected{background:var(--ink);color:var(--bg)}
.primary-action{display:flex;align-items:center;justify-content:space-between;width:min(540px,100%);background:var(--accent);color:var(--accent-ink);border:0;padding:19px 22px;border-radius:var(--radius);font-weight:900;font-size:18px;cursor:pointer;box-shadow:0 7px 0 color-mix(in srgb,var(--ink) 28%,transparent);transition:transform .15s,box-shadow .15s}.primary-action:hover{transform:translateY(2px);box-shadow:0 5px 0 color-mix(in srgb,var(--ink) 28%,transparent)}.primary-action.compact{width:min(460px,100%);font-size:16px}.local-notice{margin-top:30px;padding:14px 16px;border-left:3px solid var(--warn);background:color-mix(in srgb,var(--warn) 8%,transparent);color:var(--muted);max-width:760px}.hidden{display:none!important}
.test-screen{min-height:calc(100vh - 72px)}.test-headline{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px}.test-screen h2{font-size:clamp(42px,6vw,78px);letter-spacing:-.06em;margin:40px 0 60px}.meter-list{border-top:1px solid var(--line)}.meter-row{display:grid;grid-template-columns:180px 120px 1fr;align-items:center;gap:24px;border-bottom:1px solid var(--line);min-height:84px}.meter-row>span{font:700 12px var(--mono);letter-spacing:.09em}.meter-row strong{font:700 18px var(--mono)}.meter-line{height:2px;background:var(--line);position:relative}.meter-line i{display:block;position:absolute;left:0;top:-1px;height:4px;width:0;background:var(--accent);transition:width .4s ease}.test-footer{display:flex;justify-content:space-between;margin-top:34px;color:var(--muted);font:600 13px var(--mono)}.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.25}}
.result-topline{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px}.text-btn{font:700 12px var(--mono);color:var(--muted)}.score-zone{display:grid;grid-template-columns:minmax(280px,420px) 1fr;gap:70px;padding:62px 0;border-bottom:1px solid var(--line)}.score-block{display:grid;grid-template-columns:auto 1fr;align-items:end}.score-kicker{grid-column:1/-1;margin-bottom:7px}.score-block strong{font-size:clamp(105px,15vw,190px);line-height:.74;letter-spacing:-.09em}.score-total{font:700 16px var(--mono);align-self:end;padding:0 0 13px 8px;color:var(--muted)}.score-label{grid-column:1/-1;margin-top:20px;font:800 14px var(--mono);letter-spacing:.16em}.score-statement{align-self:center}.score-statement p{font-size:clamp(30px,4vw,54px);font-weight:800;line-height:1;letter-spacing:-.045em;margin:0 0 24px}.score-statement span{color:var(--muted);font-size:18px;line-height:1.45}
.metric-table{margin:46px 0}.metric-tr{display:grid;grid-template-columns:1.5fr 1fr .75fr;gap:20px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.metric-header{font:700 10px var(--mono);letter-spacing:.11em;color:var(--muted)}.metric-tr strong{font:700 18px var(--mono)}.metric-tr em{font-style:normal;font:800 11px var(--mono);letter-spacing:.08em}.status-good{color:var(--ok)}.status-warn{color:var(--warn)}.status-bad{color:var(--danger)}
.gaming-band{display:grid;grid-template-columns:300px 1fr;gap:40px;background:var(--ink);color:var(--bg);padding:36px;border-radius:var(--radius);margin:50px 0}.gaming-band>div span{display:block;font:700 11px var(--mono);letter-spacing:.12em;opacity:.65}.gaming-band strong{font:800 72px var(--mono);letter-spacing:-.08em}.gaming-band small{font:700 12px var(--mono);opacity:.6}.gaming-band p{font-size:22px;line-height:1.3;align-self:center;margin:0}.next-test,.comparison,.contribute{border-top:1px solid var(--line);padding:42px 0}.section-no{display:flex;justify-content:space-between}.section-no b{color:var(--ink)}.next-test h3,.contribute h3{font-size:clamp(31px,4.2vw,52px);line-height:1;letter-spacing:-.045em;margin:28px 0 18px;max-width:760px}.next-test p,.contribute>p{font-size:18px;color:var(--muted);line-height:1.5;max-width:720px;margin-bottom:28px}
.compare-grid{display:grid;grid-template-columns:1fr 80px 1fr;align-items:center;margin:34px 0}.compare-grid>div:not(.compare-arrow){border:1px solid var(--line);padding:24px}.compare-grid span{display:block;font:700 11px var(--mono);letter-spacing:.1em;color:var(--muted)}.compare-grid strong{font:800 70px var(--mono)}.compare-grid small{font:600 11px var(--mono);color:var(--muted)}.compare-arrow{text-align:center;font-size:30px;color:var(--muted)}.comparison p{font-size:21px;font-weight:700;max-width:760px}
#contributeForm{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;max-width:760px}label{font:700 11px var(--mono);letter-spacing:.06em;color:var(--muted)}select,input{display:block;width:100%;margin-top:9px;background:var(--surface);color:var(--ink);border:1px solid var(--line);padding:14px;border-radius:var(--radius);outline:none}select:focus,input:focus{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 28%,transparent)}.consent{grid-column:1/-1;display:flex;align-items:flex-start;gap:10px;text-transform:none;letter-spacing:0}.consent input{width:auto;margin:1px 0}.secondary-action{justify-self:start;border:1px solid var(--ink);background:transparent;color:var(--ink);padding:13px 16px;border-radius:var(--radius);font-weight:800;cursor:pointer}.secondary-action:hover{background:var(--ink);color:var(--bg)}.form-status{align-self:center;font-size:13px}.methodology{border-top:1px solid var(--line);padding:28px 0;color:var(--muted)}.methodology summary{cursor:pointer;font-weight:800;color:var(--ink)}.methodology p{max-width:800px;line-height:1.5}
footer{position:relative;z-index:1;display:flex;justify-content:space-between;gap:20px;padding:26px clamp(20px,4vw,64px);border-top:1px solid var(--line);font:600 11px var(--mono);color:var(--muted)}
@media(max-width:760px){.site-head{height:62px}.screen{padding:48px 0 70px}.symptoms{grid-template-columns:1fr 1fr}.symptom{min-height:86px}.symptom:nth-child(odd){border-left:1px solid var(--line)}.connection-prompt{align-items:flex-start;flex-direction:column}.meter-row{grid-template-columns:110px 90px 1fr;gap:10px;min-height:72px}.score-zone{grid-template-columns:1fr;gap:46px;padding:44px 0}.score-statement p{font-size:38px}.metric-tr{grid-template-columns:1.15fr 1fr .7fr}.gaming-band{grid-template-columns:1fr;padding:26px}.compare-grid{grid-template-columns:1fr 44px 1fr}.compare-grid strong{font-size:52px}#contributeForm{grid-template-columns:1fr}footer{flex-direction:column}}
@media(max-width:420px){.hero-screen h1{font-size:57px}.lede{font-size:18px}.segmented{width:100%}.segment{flex:1}.meter-row{grid-template-columns:90px 72px 1fr}.meter-row>span{font-size:10px}.metric-tr{grid-template-columns:1fr 1fr}.metric-tr em{grid-column:2}.metric-header span:last-child{display:none}.score-block strong{font-size:120px}.compare-grid{grid-template-columns:1fr;gap:12px}.compare-arrow{transform:rotate(90deg)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* v0.2.0 production edge */
.skip-link{position:fixed;left:16px;top:-80px;z-index:50;background:var(--accent);color:var(--accent-ink);padding:10px 14px;font-weight:800;border-radius:var(--radius);transition:top .15s}.skip-link:focus{top:12px}
button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
button:disabled{cursor:not-allowed;opacity:.55;transform:none!important;box-shadow:none!important}
.test-error{margin-top:38px;border:1px solid var(--danger);padding:26px;max-width:760px;background:color-mix(in srgb,var(--danger) 6%,var(--bg))}.error-kicker{display:block;font:800 11px var(--mono);letter-spacing:.12em;color:var(--danger);margin-bottom:10px}.test-error strong{display:block;font-size:22px;line-height:1.3;margin-bottom:22px}.error-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.error-actions .primary-action{width:min(320px,100%)}
[data-theme="dark"] .status-good{color:#65d89d}[data-theme="light"] .status-good{color:#16875a}
@media(max-width:420px){.test-error{padding:20px}.error-actions{align-items:stretch;flex-direction:column}.error-actions .secondary-action{width:100%}}


/* v0.2.0 · production/SEO surfaces */
a{color:inherit}.footer-nav{display:flex;gap:18px;flex-wrap:wrap}.footer-nav a{text-decoration:none}.footer-nav a:hover{text-decoration:underline}.article-shell{width:min(860px,calc(100% - 40px));margin:0 auto;padding:72px 0 96px}.article-shell .article-kicker{font:700 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:28px}.article-shell h1{font-size:clamp(46px,7vw,82px);line-height:.94;letter-spacing:-.055em;margin:0 0 32px}.article-shell .article-lede{font-size:clamp(20px,2.4vw,28px);line-height:1.35;color:var(--muted);margin:0 0 50px}.article-shell h2{font-size:clamp(28px,4vw,42px);line-height:1.05;letter-spacing:-.035em;margin:52px 0 18px}.article-shell p,.article-shell li{font-size:18px;line-height:1.65}.article-shell ul{padding-left:22px}.article-callout{border-left:4px solid var(--accent);padding:18px 20px;background:var(--surface);margin:34px 0}.article-cta{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;margin:56px 0}.article-cta p{font-size:24px;font-weight:800;line-height:1.2;margin:0 0 22px}.article-meta{font:600 11px var(--mono);color:var(--muted);letter-spacing:.06em}.guide-index{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);margin-top:42px}.guide-link{display:block;padding:28px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-decoration:none}.guide-link:nth-child(odd){border-left:1px solid var(--line)}.guide-link b{font:700 10px var(--mono);color:var(--muted);display:block;margin-bottom:14px}.guide-link strong{font-size:22px;line-height:1.1}.guide-link:hover{background:var(--surface)}.privacy-list{border-top:1px solid var(--line);margin:30px 0}.privacy-row{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.privacy-row b{font:700 11px var(--mono);letter-spacing:.08em;text-transform:uppercase}.privacy-row span{line-height:1.5;color:var(--muted)}
@media(max-width:760px){.guide-index{grid-template-columns:1fr}.guide-link{border-left:1px solid var(--line)!important}.privacy-row{grid-template-columns:1fr;gap:8px}.article-shell{padding-top:48px}footer{align-items:flex-start}.footer-nav{order:3}}