:root{--bg:#fbfbfd;--card:#fff;--ink:#0b0d12;--mut:#5b6170;--line:#e6e8ee;--acc:#5b5bf6;--acc2:#0ea5a4;--soft:#f2f3f8;--good:#0f7b4b;--warn:#a15c00;--bad:#b42318;--sh:0 1px 2px rgba(16,24,40,.05),0 8px 24px -12px rgba(16,24,40,.12);color-scheme:light}
[data-theme=dark]{--bg:#0b0d12;--card:#12151c;--ink:#eef0f5;--mut:#9aa1b2;--line:#232835;--acc:#8b8bff;--acc2:#2dd4bf;--soft:#171b24;--good:#4ade80;--warn:#fbbf24;--bad:#f87171;--sh:0 1px 2px rgba(0,0,0,.4);color-scheme:dark}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--acc);outline-offset:2px;border-radius:6px}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}.narrow{max-width:820px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--card);padding:8px 12px;z-index:99}
header.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:saturate(1.6) blur(10px);border-bottom:1px solid var(--line)}
header.top nav{display:flex;align-items:center;gap:22px;height:62px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;letter-spacing:-.02em;color:var(--ink);font-size:1.1rem}.logo:hover{text-decoration:none}
.logo i{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--acc),var(--acc2));display:inline-block}
.logo b{color:var(--acc)}
.navl{display:flex;gap:18px;margin-left:auto;align-items:center}.navl a{color:var(--mut);font-size:.93rem;font-weight:500}.navl a.on,.navl a:hover{color:var(--ink);text-decoration:none}
.tbtn{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:9px;width:36px;height:36px;cursor:pointer}
.navlinks{display:flex;gap:18px;align-items:center}.mbtn{display:none}
.hero{padding:72px 0 36px;text-align:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:.8rem;font-weight:600;color:var(--acc);background:color-mix(in srgb,var(--acc) 10%,transparent);padding:5px 12px;border-radius:99px}
h1,h2,h3{letter-spacing:-.025em;line-height:1.15}
.hero h1{font-size:clamp(2.1rem,5.5vw,3.6rem);margin:18px auto 14px;max-width:880px;font-weight:800}
.grad{background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.15rem;color:var(--mut);max-width:680px;margin:0 auto}
.search{display:flex;max-width:620px;margin:28px auto 0;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh);padding:6px}
.search input{flex:1;border:0;background:transparent;color:var(--ink);font:inherit;padding:10px 12px}.search input:focus{outline:none}.search:focus-within{border-color:var(--acc)}
.stats{display:flex;gap:28px;justify-content:center;margin-top:22px;color:var(--mut);font-size:.9rem;flex-wrap:wrap}.stats b{color:var(--ink)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 8px}
.chip{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:99px;padding:6px 14px;font:500 .88rem inherit;font-family:inherit;cursor:pointer}
.chip[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;color:var(--mut);font-size:.9rem;margin:6px 0 14px}
select{font:inherit;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:7px 10px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}
.card{display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--sh);color:var(--ink);transition:transform .15s,border-color .15s}
.card[hidden],[hidden]{display:none!important}
.card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--acc) 45%,var(--line));text-decoration:none}
.swap{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--mut)}
.ico{flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-weight:700;font-size:.85rem;color:#fff}
.ico.app{background:#9aa1b2}.ico.bot{background:linear-gradient(135deg,var(--acc),var(--acc2))}
.arrow{color:var(--mut)}.swap .lbl{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card h3{margin:2px 0 0;font-size:1.08rem}.card p{margin:0;color:var(--mut);font-size:.92rem}
.pills{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}
.pill{font-size:.76rem;font-weight:600;padding:3px 9px;border-radius:99px;background:var(--soft);color:var(--mut);border:1px solid var(--line)}
.rel{font-weight:700}.r5,.r4{color:var(--good);background:color-mix(in srgb,var(--good) 10%,transparent)}.r3{color:var(--warn);background:color-mix(in srgb,var(--warn) 10%,transparent)}.r2,.r1{color:var(--bad);background:color-mix(in srgb,var(--bad) 10%,transparent)}
section.block{padding:64px 0;border-top:1px solid var(--line)}
.h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:0 0 8px}.sub{color:var(--mut);margin:0 0 26px}
.three{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}.feat h3{margin:8px 0 6px;font-size:1.05rem}.feat p{margin:0;color:var(--mut);font-size:.94rem}
.num{font-weight:800;color:var(--acc)}
.news{background:linear-gradient(135deg,color-mix(in srgb,var(--acc) 12%,var(--card)),color-mix(in srgb,var(--acc2) 10%,var(--card)));border:1px solid var(--line);border-radius:22px;padding:40px;text-align:center;margin:64px 0}
.news form{display:flex;gap:8px;max-width:460px;margin:18px auto 0}.news input{flex:1}
input,textarea{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--ink);color:var(--bg);border:0;border-radius:10px;padding:10px 18px;font:600 .95rem inherit;font-family:inherit;cursor:pointer;white-space:nowrap}.btn:hover{text-decoration:none;opacity:.9}
.btn.acc{background:var(--acc);color:#fff}.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
footer{border-top:1px solid var(--line);padding:44px 0;color:var(--mut);font-size:.9rem}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}.fgrid h4{color:var(--ink);margin:0 0 10px;font-size:.9rem}.fgrid a{display:block;color:var(--mut);margin:4px 0}
@media(max-width:760px){.fgrid{grid-template-columns:1fr 1fr}.news{padding:26px}.news form{flex-direction:column}}
.crumb{font-size:.88rem;color:var(--mut);margin:28px 0 8px}
.ehead h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:10px 0}
.bigswap{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:18px 0}
.bigswap .side{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 14px;font-weight:600}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:22px 0}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}.kpi small{display:block;color:var(--mut);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;font-weight:600}.kpi b{display:block;margin-top:4px;font-size:.98rem}
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--card)}
table.cmp{width:100%;border-collapse:collapse;font-size:.93rem}.cmp th,.cmp td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.cmp thead th{background:var(--soft);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--mut)}.cmp tbody th{width:22%;color:var(--mut);font-weight:600}.cmp tr:last-child>*{border-bottom:0}
.nr{color:var(--mut);font-style:italic}
.pc{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:640px){.pc{grid-template-columns:1fr}}
.pc ul{margin:0;padding-left:18px}.box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}.box h3{margin:0 0 8px;font-size:1rem}
ol.steps{counter-reset:s;list-style:none;padding:0}ol.steps li{counter-increment:s;position:relative;padding:8px 0 8px 40px}ol.steps li:before{content:counter(s);position:absolute;left:0;top:6px;width:28px;height:28px;border-radius:99px;background:var(--soft);border:1px solid var(--line);display:grid;place-items:center;font-size:.8rem;font-weight:700}
.note{color:var(--mut);font-size:.88rem}.callout{border-left:3px solid var(--acc);background:var(--soft);padding:12px 16px;border-radius:0 10px 10px 0;font-size:.92rem}
.prose h2{margin-top:36px}.prose{padding-bottom:40px}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:10px 0}summary{font-weight:600;cursor:pointer}
.form{display:grid;gap:14px;max-width:620px}.form label{display:grid;gap:6px;font-weight:500;font-size:.93rem}
.cmpbar{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 18px}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* QA 2026-10-16: mobile fixes */
select{max-width:100%}.cmpbar{display:flex;flex-wrap:wrap;gap:10px}.cmpbar label{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1 1 240px;max-width:100%}
.navl a,footer a{display:inline-block;min-height:24px;line-height:24px}.chip{min-height:32px}
.fgrid .note a{display:inline;margin:0}

@media(max-width:760px){.navl{gap:8px}.mbtn{display:inline-flex;align-items:center;justify-content:center;font-size:1.2rem}.tbtn{width:44px;height:44px}
.navlinks{display:none;position:absolute;left:0;right:0;top:62px;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 8px 20px rgba(0,0,0,.12);padding:6px 16px 10px}
.navlinks.open{display:flex}.navlinks a,.navlinks a.hm{display:flex!important;align-items:center;min-height:44px;font-size:1rem;color:var(--ink);border-bottom:1px solid var(--line)}.navlinks a:last-child{border-bottom:0}
header.top{position:sticky}header.top .wrap{position:relative}}
.tl{color:inherit;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px}.tl:hover{text-decoration-color:currentColor}.affm{font-size:.6rem;color:var(--mut);margin-left:2px}
.bigswap .side{min-width:0;max-width:100%}.bigswap .side .lbl{min-width:0;overflow-wrap:anywhere}
.pill.new{background:#16a34a;color:#fff;border-color:#16a34a}
.rmeta{margin:6px 0 10px}.acts{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:10px 0 18px}.acts .btn{min-height:44px}.vote[aria-pressed=true]{border-color:var(--acc,#5b5bf0);opacity:.85}.lp{margin:10px 0}
.quiz{border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:24px 0;background:var(--card)}.quiz form{display:grid;gap:12px}.quiz label{display:flex;flex-direction:column;gap:4px;font-weight:600}.quiz select,.quiz .btn{min-height:44px}
@media(max-width:760px){form.search,#fform{position:sticky;top:66px;z-index:15}}
.ico.app{background:#6b7280}.pill.new{background:#15803d;border-color:#15803d}.eyebrow{color:color-mix(in srgb,var(--acc) 75%,var(--ink))}
.fgrid .fh{color:var(--ink);margin:0 0 10px;font-size:.9rem}
.wrap>form.search{margin:0 auto 8px}