:root{--ink:#111318;--paper:#f3f5f7;--white:#fff;--line:#c7ccd3;--muted:#646b76;--purple:#6553d9;--purple2:#ece9ff;--aqua:#a7e8dc;--red:#b6374b;--green:#157257;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--sans:Inter,Arial,sans-serif;--max:1360px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.45 var(--sans)}a{color:inherit}[id]{scroll-margin-top:70px}:focus-visible{outline:3px solid var(--purple);outline-offset:3px}.skip{position:fixed;top:-5rem;left:1rem;background:#fff;padding:.7rem;z-index:10}.skip:focus{top:1rem}header{height:60px;background:var(--ink);color:#fff;display:grid;grid-template-columns:220px 1fr 220px;align-items:center;padding:0 max(18px,calc((100vw - var(--max))/2));gap:2rem}.brand{font:700 1.25rem var(--mono);text-decoration:none}.brand span{color:var(--aqua)}nav{display:flex;height:100%}nav a{display:flex;align-items:center;padding:0 1.2rem;border-left:1px solid #343840;text-decoration:none;color:#c6cad1;font-size:.78rem}nav a:first-child{background:#fff;color:var(--ink)}.by{justify-self:end;color:#b9bec7;font-size:.72rem}.checker{max-width:var(--max);margin:auto;padding:24px 18px 38px}.checker-head{display:grid;grid-template-columns:1fr 410px;gap:4rem;align-items:end;margin-bottom:20px}.path,.section-head p,.method>div>p{margin:0 0 5px;color:var(--purple);font:11px var(--mono)}h1{margin:0;font-size:2.2rem;letter-spacing:-.045em}.checker-head>div>p:last-child{max-width:620px;margin:8px 0 0;color:var(--muted)}.checker-head aside{border-left:4px solid var(--red);background:#fff0f3;padding:10px 13px}.checker-head aside b,.checker-head aside span{display:block}.checker-head aside b{font-size:.78rem}.checker-head aside span{color:#743e48;font-size:.7rem}.steps{display:grid;grid-template-columns:.9fr 1.25fr .85fr;border:1px solid var(--line);background:#fff}.steps>section{min-width:0;padding:16px;border-right:1px solid var(--line)}.steps>section:last-child{border:0}.step-label{display:block;margin-bottom:12px;color:var(--muted);font:10px var(--mono)}.search{display:flex;border:1px solid var(--line);height:42px;align-items:center}.search span{padding:0 10px;color:var(--muted);font:10px var(--mono)}.search input{min-width:0;flex:1;border:0;height:100%;font:14px var(--sans)}.game-list{margin-top:8px;border-top:1px solid var(--line)}.game-list button{width:100%;display:flex;justify-content:space-between;gap:1rem;border:0;border-bottom:1px solid var(--line);background:#fff;padding:9px 4px;text-align:left;cursor:pointer}.game-list button:hover,.game-list button[aria-selected=true]{background:var(--purple2)}.game-list small{color:var(--muted)}.hardware-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hardware-fields label{font-size:.7rem;color:var(--muted)}select{display:block;width:100%;margin-top:4px;border:1px solid var(--line);background:#fff;height:39px;padding:0 8px;color:var(--ink);font:600 .78rem var(--sans)}#check{width:100%;height:46px;margin-top:14px;border:0;background:var(--purple);color:#fff;font-weight:700;cursor:pointer}#check:hover{background:#4b3bb8}.result-top b{display:block;font-size:1.25rem}.result-top p{min-height:62px;color:var(--muted);font-size:.78rem}.checks{border-top:1px solid var(--line)}.checks div{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font:11px var(--mono)}.checks i{font-style:normal}.checks i.pass{color:var(--green)}.checks i.fail{color:var(--red)}.checks i.unknown{color:var(--muted)}.honesty{margin-top:15px;padding:8px;background:#f0f1f3;color:var(--muted);font-size:.68rem}
.games,.method{max-width:var(--max);margin:auto;padding:44px 18px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:16px}.section-head h2,.method h2{margin:0;font-size:1.6rem}.section-head>span{max-width:330px;color:var(--muted);font-size:.74rem}.game-table{border-top:2px solid var(--ink)}.tr{display:grid;grid-template-columns:1.5fr 1fr .6fr 1fr 70px;width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left}.tr>*{padding:12px;border-right:1px solid var(--line)}button.tr{font:inherit;cursor:pointer;color:inherit}.th{background:#e3e6ea;color:var(--muted);font:10px var(--mono)}button.tr:hover{background:#fff}.tr i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--red);margin-right:6px}.tr span:last-child{text-align:right;color:var(--purple);font-weight:700}.method{display:grid;grid-template-columns:1.1fr 1.5fr;gap:4rem;border-top:1px solid var(--line)}.method ol{list-style:none;margin:0;padding:0}.method li{display:grid;grid-template-columns:170px 1fr;padding:10px 0;border-bottom:1px solid var(--line)}.method li span{color:var(--muted);font-size:.78rem}.method>a{grid-column:2;width:max-content;color:var(--purple);font-weight:700}footer{max-width:var(--max);margin:auto;padding:20px 18px 38px;border-top:4px solid var(--ink);display:grid;grid-template-columns:1fr 1.3fr 1.3fr auto;gap:2rem;color:var(--muted);font:10px var(--mono)}footer b{color:var(--ink)}
@media(max-width:900px){header{grid-template-columns:1fr auto}nav{display:none}.checker-head{grid-template-columns:1fr;gap:14px}.steps{grid-template-columns:1fr}.steps>section{border-right:0;border-bottom:1px solid var(--line)}.section-head{align-items:start;flex-direction:column;gap:5px}.method{grid-template-columns:1fr}.method>a{grid-column:1}footer{grid-template-columns:1fr 1fr}}
@media(max-width:560px){header{padding:0 12px}.checker{padding:16px 10px 28px}h1{font-size:1.7rem}.hardware-fields{grid-template-columns:1fr}.games,.method{padding:34px 10px}.game-table{overflow-x:auto}.tr{min-width:720px}.method{gap:1.5rem}.method li{grid-template-columns:1fr;gap:3px}footer{grid-template-columns:1fr;padding:18px 10px 30px;gap:.4rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Visual pass: real-world context + stronger product hierarchy */
body{background:#eef0f4}.checker{padding-top:18px}.checker-head{position:relative;min-height:330px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(380px,.92fr);grid-template-rows:1fr auto;gap:20px 40px;align-items:center;margin-bottom:0;padding:42px 46px 75px;background:#191a26;color:#fff;overflow:hidden}.checker-title{position:relative;z-index:2;max-width:650px}.checker-head h1{max-width:620px;font-size:clamp(2.7rem,4.5vw,4.8rem);line-height:.96;color:#fff}.checker-head .path{color:var(--aqua)}.checker-head>div>p:last-child{max-width:560px;color:#c9cbd4;font-size:1rem}.checker-head aside{position:relative;z-index:2;grid-column:1;max-width:520px;background:rgba(255,255,255,.08);border-left-color:#ff647c}.checker-head aside span{color:#d8cdd1}.checker-head figure{position:absolute;inset:0 0 0 56%;margin:0;overflow:hidden}.checker-head figure:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#191a26 0%,rgba(25,26,38,.25) 55%,rgba(25,26,38,.05))}.checker-head img{width:100%;height:100%;object-fit:cover;object-position:center 48%;filter:saturate(.72) contrast(1.08)}.checker-head figcaption{position:absolute;z-index:2;right:12px;bottom:8px;color:rgba(255,255,255,.72);font-size:.62rem}.steps{position:relative;z-index:3;margin:-52px 28px 0;border:0;border-radius:10px;box-shadow:0 18px 50px rgba(20,23,34,.16);overflow:hidden}.steps>section{padding:22px}.game-step{background:#fbfbfd}.hardware-step{background:#fff}.result-step{background:#f7f6ff}.game-list button{padding:11px 8px;border-radius:5px}.game-list button span:before{content:"";display:inline-block;width:8px;height:8px;margin-right:9px;background:#6553d9;box-shadow:4px 4px 0 #a7e8dc}.game-list button:nth-child(2) span:before{background:#ea5b72}.game-list button:nth-child(3) span:before{background:#2a8d7a}.game-list button:nth-child(4) span:before{background:#de8b39}.game-list button:nth-child(5) span:before{background:#4776c7}.search,select{border-radius:5px}.hardware-fields label{font-weight:600}#check{border-radius:5px;box-shadow:0 7px 18px rgba(101,83,217,.22)}.result-top b{font-size:1.45rem}.checks div{padding:13px 0}.games{margin-top:8px}.section-head h2,.method h2{font-size:2rem}.game-table{background:rgba(255,255,255,.55);border-radius:8px;overflow:hidden}.method{margin-bottom:42px;background:#fff;border:0;border-radius:10px;padding:38px;box-shadow:0 12px 35px rgba(20,23,34,.07)}
@media(max-width:900px){.checker-head{grid-template-columns:1fr;min-height:380px;padding:34px 28px 76px}.checker-head figure{inset:0 0 0 48%;opacity:.48}.checker-head aside{grid-column:1}.steps{margin:-48px 14px 0}.method{margin-left:10px;margin-right:10px}}
@media(max-width:560px){.checker{padding-left:0;padding-right:0}.checker-head{min-height:420px;padding:30px 18px 70px}.checker-head h1{font-size:2.55rem}.checker-head figure{inset:0;opacity:.24}.checker-head figure:after{background:rgba(25,26,38,.48)}.steps{margin:-42px 10px 0;border-radius:8px}.steps>section{padding:18px}.games{padding-top:42px}.section-head h2,.method h2{font-size:1.65rem}.method{padding:26px 18px}}

/* v6 — estación de diagnóstico, una señal y densidad de herramienta */
:root{--ink:#121519;--paper:#e9ecef;--white:#fff;--line:#c6ccd0;--muted:#596168;--purple:#16836e;--purple2:#e1f0ec;--aqua:#70e0c1;--red:#b83e4f;--green:#08745d;--mono:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;--sans:"Arial Nova",Aptos,"Segoe UI",sans-serif}
body{background:var(--paper);font-size:14px;-webkit-font-smoothing:antialiased}button,a,select,input{touch-action:manipulation}h1,h2{text-wrap:balance}.checks,.game-table{font-variant-numeric:tabular-nums}
:focus-visible{outline-color:#16836e}header{height:56px;grid-template-columns:220px 1fr 280px;border-bottom:1px solid #30363b}nav a{border-color:#30363b;color:#abb2b9;font-size:.75rem}nav a:first-child{background:transparent;color:#fff;box-shadow:inset 0 -3px var(--aqua)}.by{display:flex;align-items:center;gap:8px}.by i{width:7px;height:7px;border-radius:50%;background:var(--aqua);box-shadow:0 0 0 3px rgba(112,224,193,.12)}
.checker{padding-top:16px}.checker-head{min-height:244px;grid-template-columns:minmax(300px,.72fr) minmax(0,1.28fr);grid-template-rows:auto auto;padding:28px 32px 32px;gap:16px 32px;background:#171b1f;border-radius:0}.checker-title{max-width:440px}.checker-head h1{font-size:clamp(3.2rem,6vw,5.8rem);line-height:.84;letter-spacing:-.07em}.checker-head>div>p:last-child{max-width:380px;font-size:.93rem;line-height:1.5}.checker-head figure{inset:0 0 0 47%}.checker-head figure:after{background:linear-gradient(90deg,#171b1f 0%,rgba(23,27,31,.42) 40%,rgba(23,27,31,.08) 75%)}.checker-head img{object-position:center 46%;filter:saturate(.58) contrast(1.13)}.checker-head aside{grid-column:1;max-width:430px;padding:8px 12px;background:rgba(112,224,193,.07);border-left:2px solid var(--aqua)}.checker-head aside span{color:#aab8b4}.path{letter-spacing:.02em}
.steps{margin:0;border-radius:0;box-shadow:none;border:1px solid #b8bec3;border-top:3px solid var(--aqua);grid-template-columns:.95fr 1.2fr .85fr}.steps>section{padding:18px 20px}.step-label{text-transform:uppercase;letter-spacing:.12em;margin-bottom:10px}.step-label:before{content:"";display:inline-block;width:20px;height:1px;margin:0 8px 3px 0;background:var(--purple)}.game-step,.hardware-step,.result-step{background:#fff}.hardware-step{background:#f8f9f9}.result-step{background:#eef2f1}.search{height:44px;border:1px solid #aeb5ba;border-radius:2px;background:#f1f3f4}.search:focus-within{border-color:var(--purple);box-shadow:0 0 0 3px rgba(22,131,110,.12)}.search input{background:transparent;outline:0}.game-list button{min-height:42px;padding:9px 7px;border-radius:0;transition:background-color 140ms ease}.game-list button span:before{width:5px;height:12px;margin-right:9px;background:#7d858b!important;box-shadow:none!important}.game-list button[aria-selected=true] span:before{background:var(--purple)!important}.game-list button:hover,.game-list button[aria-selected=true]{background:var(--purple2)}
.hardware-fields{gap:12px}.hardware-fields label{color:#4b5359;font-weight:700}select{height:41px;border-color:#aeb5ba;border-radius:2px;background:#fff}#check{display:flex;align-items:center;justify-content:space-between;height:48px;border-radius:2px;background:var(--ink);box-shadow:none;padding:0 14px 0 18px;transition:background-color 150ms ease,transform 120ms ease}#check:hover{background:var(--purple)}#check:active{transform:scale(.98)}#check kbd{font:10px var(--mono);color:#9ba4aa;border:1px solid #596168;padding:3px 5px}.result-top b{font-size:1.35rem;letter-spacing:-.02em}.result-top p{min-height:52px}.checks{border-top-color:#b9c1c2}.checks div{padding:11px 0}.honesty{border-left:2px solid #aeb5ba;background:#e4e8e7}.games{margin-top:0;padding-top:38px}.section-head p,.method>div>p{color:var(--green)}.section-head h2,.method h2{font-size:1.75rem;letter-spacing:-.035em}.game-table{border-radius:0;background:#f6f7f7;border-top-color:var(--ink)}.th{background:#d8dde0}.tr span:last-child{color:var(--green)}.method{border-radius:0;box-shadow:none;border-top:3px solid var(--ink);background:#f7f8f8}.method>a{color:var(--green)}
@media(max-width:900px){header{grid-template-columns:1fr auto}.checker-head{grid-template-columns:1fr;min-height:300px;padding:28px 24px 30px}.checker-head figure{inset:0 0 0 42%;opacity:.5}.steps{margin:0;grid-template-columns:1fr}.method{margin-left:10px;margin-right:10px}}
@media(max-width:560px){header{height:52px}.by{font-size:0}.by:after{content:"Demo";font-size:.7rem}.checker{padding-top:0}.checker-head{min-height:292px;padding:24px 16px 28px}.checker-head h1{font-size:4.1rem}.checker-head>div>p:last-child{max-width:260px;font-size:.86rem}.checker-head figure{inset:0 0 0 34%;opacity:.4}.checker-head figure:after{background:linear-gradient(90deg,#171b1f 0%,rgba(23,27,31,.76) 48%,rgba(23,27,31,.2))}.checker-head aside{max-width:300px}.steps{margin:0;border-left:0;border-right:0}.steps>section{padding:18px 14px}.hardware-fields{grid-template-columns:1fr 1fr}.games{padding-top:34px}.method{border-left:0;border-right:0;margin-left:0;margin-right:0}}