:root{--fondo:#0c0613;--fondo-2:#120819;--sup:#160a22;--sup-alta:#21103a;--linea:#2a1840;--linea-f:#7c5ca8;--tinta:#f5efff;--tinta-s:#b7a3d9;--violeta:#7b2bff;--neon:#c23bff;--lila:#d9bfff;--acido:#d4ff3a;--sobre-neon:#13081f}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--fondo);color:var(--tinta);font-family:"Instrument Sans",system-ui,sans-serif;font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--lila)}a:hover{color:var(--tinta)}
:focus-visible{outline:2px solid var(--acido);outline-offset:3px}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,5vw,40px)}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:12px;z-index:99;background:var(--neon);color:var(--sobre-neon);padding:8px 12px}
/* header */
.site-h{position:sticky;top:0;z-index:20;background:rgba(12,6,19,.82);backdrop-filter:saturate(160%) blur(16px);-webkit-backdrop-filter:saturate(160%) blur(16px);box-shadow:0 1px 0 rgba(59,35,88,.6)}
.site-h .wrap{display:flex;align-items:center;gap:20px;min-height:60px;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--tinta)}
.logo b{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:19px;letter-spacing:-.05em}
.logo span{font-size:13px;color:var(--tinta-s)}
.nav{display:flex;gap:4px;margin-left:auto;font-size:14px;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--tinta-s);padding:8px 12px}.nav a:hover,.nav a[aria-current]{color:var(--tinta)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;background:var(--neon);color:var(--sobre-neon)!important;font-weight:600;text-decoration:none;border:0;font:inherit;font-weight:600;cursor:pointer}
.btn-sm{min-height:36px;padding:0 16px;font-size:14px}
.btn-ghost{background:transparent;color:var(--tinta)!important;box-shadow:inset 0 0 0 1.5px var(--linea-f)}
/* breadcrumb */
.bc{font-size:14px;color:var(--tinta-s);padding-top:28px}.bc ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}.bc li+li:before{content:"›";margin-right:6px;color:var(--linea-f)}.bc a{color:var(--tinta-s);text-decoration:none}.bc a:hover{color:var(--tinta)}
/* article hero */
.a-hero{padding:28px 0 32px;display:flex;flex-direction:column;gap:20px;max-width:900px}
.chip{align-self:flex-start;font-size:13px;font-weight:600;color:var(--neon);text-decoration:none;box-shadow:inset 0 0 0 1.5px var(--neon);padding:4px 12px;border-radius:999px}
h1{margin:0;font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(36px,5.2vw,64px);line-height:1;letter-spacing:-.035em}
.byline{display:flex;align-items:center;gap:14px;font-size:15px;color:var(--tinta-s)}
.byline img{width:48px;height:48px;border-radius:999px;object-fit:cover;box-shadow:0 0 0 2px var(--neon)}
.byline b{color:var(--tinta);font-weight:600}
.cover{margin:0 0 40px}.cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;clip-path:polygon(0 0,calc(100% - 44px) 0,100% 44px,100% 100%,0 100%)}
/* layout */
.a-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
@media (max-width:1000px){.a-grid{grid-template-columns:minmax(0,1fr)}.aside{display:none}}
.prose{max-width:740px}
.prose h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(28px,3.2vw,38px);line-height:1.08;letter-spacing:-.025em;margin:56px 0 16px;scroll-margin-top:84px}
.prose h3{font-size:20px;margin:28px 0 8px}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 20px;padding-left:22px}.prose li{margin:6px 0}
.answer{background:var(--sup);padding:26px 28px;display:flex;flex-direction:column;gap:10px;box-shadow:inset 3px 0 0 var(--neon);margin-bottom:32px}
.answer .lbl{font-size:13px;font-weight:700;color:var(--neon);letter-spacing:.02em}
.answer p{margin:0;font-size:clamp(19px,2vw,22px);line-height:1.5}
.keys{background:var(--fondo-2);padding:24px 28px;margin:0 0 8px}
.keys h2{margin:0 0 12px!important;font-size:22px!important}
.keys ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.keys li{display:flex;gap:12px;margin:0}.keys li:before{content:"";flex:0 0 8px;height:8px;margin-top:10px;background:var(--neon)}
table{width:100%;border-collapse:collapse;font-size:16px;margin:8px 0 24px;display:block;overflow-x:auto}
th,td{text-align:left;padding:12px 14px;vertical-align:top;border-bottom:1px solid var(--linea)}
th{background:var(--sup-alta);font-weight:600;color:var(--tinta);white-space:nowrap}
td{color:var(--tinta-s)}td:first-child{color:var(--tinta);font-weight:600}
.steps{list-style:none;padding:0!important;counter-reset:s;display:flex;flex-direction:column;gap:0}
.steps li{counter-increment:s;position:relative;padding:0 0 26px 64px;margin:0!important}
.steps li:before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:0;width:44px;height:44px;border-radius:999px;display:grid;place-items:center;background:var(--sup-alta);color:var(--neon);font-weight:700;font-size:15px;box-shadow:inset 0 0 0 1.5px var(--neon)}
.steps li:after{content:"";position:absolute;left:21px;top:48px;bottom:4px;width:2px;background:var(--linea)}
.steps li:last-child:after{display:none}
.steps b{display:block;font-size:19px;color:var(--tinta);margin-bottom:4px}
.steps span{color:var(--tinta-s)}
.fig{margin:32px 0}.fig .paper{background:#fff;padding:clamp(10px,2vw,22px);clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%)}.fig figcaption{font-size:14px;color:var(--tinta-s);margin-top:10px}
.example{background:var(--sup);padding:26px 28px;margin:36px 0}
.example .lbl{font-size:13px;font-weight:700;color:var(--lila)}
.example h3{margin:6px 0 10px;font-family:"Bricolage Grotesque",sans-serif;font-size:24px;letter-spacing:-.02em}
.example p{margin:0;color:var(--tinta-s)}
.quote{margin:44px 0;display:flex;gap:20px;align-items:flex-start}
.quote img{flex:0 0 64px;width:64px;height:64px;border-radius:999px;object-fit:cover;box-shadow:0 0 0 2px var(--neon)}
.quote blockquote{margin:0}.quote p{font-family:"Bricolage Grotesque",sans-serif;font-weight:600;font-size:clamp(22px,2.4vw,28px);line-height:1.25;letter-spacing:-.015em;margin:0 0 8px}
.quote cite{font-style:normal;font-size:14px;color:var(--tinta-s)}
.errs{list-style:none;padding:0!important;display:flex;flex-direction:column;gap:12px}
.errs li{display:flex;gap:12px;margin:0!important;color:var(--tinta-s)}.errs li:before{content:"✕";color:var(--neon);font-weight:700;flex:0 0 auto}
.crit{background:var(--sup-alta);padding:28px;margin:44px 0;display:flex;flex-direction:column;gap:14px;clip-path:polygon(0 0,calc(100% - 28px) 0,100% 28px,100% 100%,0 100%)}
.crit .lbl{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;color:var(--neon)}
.crit p{margin:0}
.crit .row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.crit .fase{font-size:13px;font-weight:700;background:var(--neon);color:var(--sobre-neon);padding:4px 10px}
.faq details{border-top:1px solid var(--linea);padding:6px 0}.faq details:last-child{border-bottom:1px solid var(--linea)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:52px;font-weight:600;font-size:18px}
.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--neon);font-size:24px;line-height:1}.faq details[open] summary:after{content:"–"}
.faq details p{color:var(--tinta-s);margin:0 0 16px}
.book{position:relative;overflow:hidden;margin:56px 0;background:var(--fondo);min-height:300px;display:flex;align-items:center}
.book img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:72% center}
.book:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,6,19,.97) 0,rgba(12,6,19,.9) 34%,rgba(12,6,19,.4) 55%,rgba(12,6,19,0) 68%);z-index:1}
.book .in{position:relative;z-index:2;padding:32px;max-width:440px;display:flex;flex-direction:column;gap:12px}
.book .lbl{font-size:13px;font-weight:700;color:var(--neon)}
.book h2,.book h3{margin:0!important;font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(26px,3vw,36px)!important;line-height:1;letter-spacing:-.03em}
.book p{margin:0;font-size:16px;color:var(--tinta)}
@media (max-width:700px){.book{flex-direction:column;align-items:stretch}.book img{position:static;aspect-ratio:1916/821;height:auto}.book:before{display:none}.book .in{padding:22px 0 0;max-width:none}}
.author{display:flex;gap:22px;align-items:flex-start;background:var(--sup);padding:28px;margin:44px 0}
.author img{flex:0 0 96px;width:96px;height:96px;border-radius:999px;object-fit:cover;box-shadow:0 0 0 2px var(--neon)}
.author .lbl{font-size:13px;font-weight:700;color:var(--neon)}
.author h2,.author h3{margin:4px 0 8px!important;font-family:"Bricolage Grotesque",sans-serif;font-size:24px!important;letter-spacing:-.02em}
.author p{margin:0 0 8px;font-size:16px;color:var(--tinta-s)}
@media (max-width:560px){.author{flex-direction:column}}
.src{font-size:15px;color:var(--tinta-s)}.src li{margin:6px 0}
/* aside */
.aside{position:sticky;top:84px;display:flex;flex-direction:column;gap:24px}
.toc{border-left:1px solid var(--linea);padding-left:18px}.toc b{display:block;font-size:13px;color:var(--tinta-s);margin-bottom:10px}
.toc ol{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;font-size:14px}.toc a{color:var(--tinta-s);text-decoration:none;line-height:1.35;display:block}.toc a:hover{color:var(--tinta)}
.mini-book{background:var(--sup);text-decoration:none;color:var(--tinta);display:flex;flex-direction:column}
.mini-book img{aspect-ratio:16/10;object-fit:cover;object-position:72% center}
.mini-book div{padding:16px;display:flex;flex-direction:column;gap:6px}.mini-book b{font-family:"Bricolage Grotesque",sans-serif;font-size:19px}.mini-book span{font-size:14px;color:var(--tinta-s);line-height:1.45}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.card{background:var(--sup);text-decoration:none;color:var(--tinta);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 0 0 1px var(--neon),0 0 28px rgba(194,59,255,.25);color:var(--tinta)}
.card img{aspect-ratio:16/9;object-fit:cover;width:100%;height:auto}
.card .in{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .cat{font-size:12px;font-weight:700;color:var(--neon)}
.card h3{margin:0;font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:21px;line-height:1.15;letter-spacing:-.015em}
.card p{margin:0;font-size:15px;color:var(--tinta-s);line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{margin-top:auto;padding-top:6px;font-size:13px;color:var(--tinta-s)}
/* index */
.i-hero{padding:clamp(64px,9vw,120px) 0 40px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px}
.i-hero .eb{font-size:18px;font-weight:600;color:var(--neon)}
.i-hero h1{font-size:clamp(44px,7vw,92px);max-width:13ch}
.i-hero p{margin:0;font-size:clamp(18px,2vw,22px);color:var(--tinta-s);max-width:44ch}
.search{width:100%;max-width:640px;margin-top:10px;position:relative}
.search input{width:100%;min-height:56px;padding:0 20px 0 52px;background:var(--sup);border:0;box-shadow:inset 0 0 0 1.5px var(--linea-f);color:var(--tinta);font:inherit;font-size:17px;border-radius:4px}
.search svg{position:absolute;left:18px;top:50%;transform:translateY(-50%)}
.filters{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:8px 0 36px}
.filters a,.filters button{font:inherit;font-size:14px;font-weight:600;padding:8px 14px;border-radius:999px;border:0;cursor:pointer;background:transparent;color:var(--tinta-s);box-shadow:inset 0 0 0 1px var(--linea-f);text-decoration:none}
.filters [aria-pressed=true],.filters [aria-current]{background:var(--neon);color:var(--sobre-neon);box-shadow:none}
.count{font-size:14px;color:var(--tinta-s);margin:0 0 16px}
.sec{padding:56px 0}
.sec-t{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(28px,3.2vw,40px);letter-spacing:-.03em;margin:0 0 20px}
/* footer */
.site-f{border-top:1px solid var(--linea);margin-top:72px}
.site-f .wrap{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;padding-top:28px;padding-bottom:28px;font-size:14px;color:var(--tinta-s)}
.site-f nav{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}.site-f a{color:var(--tinta-s);text-decoration:none}.site-f a:hover{color:var(--tinta)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media (max-width:760px){.site-h .wrap{gap:10px;padding-top:8px;padding-bottom:6px}.nav{order:3;width:100%;margin-left:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.site-h .btn{margin-left:auto}.logo span{display:none}.byline{align-items:flex-start}}
.card[hidden]{display:none!important}
/* ===== v2: cool ===== */
.nav a.on{color:var(--tinta);box-shadow:inset 0 -2px 0 var(--neon)}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none}.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--violeta),var(--neon));box-shadow:0 0 12px var(--neon)}
.site-h{position:sticky}
.mini{font:inherit;font-size:12px;font-weight:600;color:var(--lila);background:transparent;border:0;box-shadow:inset 0 0 0 1px var(--linea-f);padding:5px 10px;cursor:pointer;border-radius:999px}.mini:hover{color:var(--tinta);box-shadow:inset 0 0 0 1px var(--neon)}.mini.ok{background:var(--neon);color:var(--sobre-neon);box-shadow:none}
.ans-top{display:flex;align-items:center;gap:12px;justify-content:space-between}
.share b{display:block;font-size:13px;color:var(--tinta-s);margin-bottom:10px}.share div{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.share a{width:36px;height:36px;display:grid;place-items:center;border-radius:999px;background:var(--sup-alta);color:var(--tinta);text-decoration:none;font-size:13px;font-weight:700}.share a:hover{background:var(--neon);color:var(--sobre-neon)}
.toc a.act{color:var(--tinta);font-weight:600;box-shadow:-19px 0 0 -17px var(--neon)}
.toc li{position:relative}
.search kbd{position:absolute;right:16px;top:50%;transform:translateY(-50%);font:600 12px/1 "Instrument Sans",sans-serif;color:var(--tinta-s);box-shadow:inset 0 0 0 1px var(--linea-f);border-radius:4px;padding:5px 8px}
.bx-hero{position:relative;overflow:hidden;padding:clamp(56px,8vw,104px) 0 clamp(40px,5vw,64px);background:radial-gradient(60% 80% at 80% 30%,rgba(123,43,255,.22),rgba(12,6,19,0) 70%)}
.bx-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center}
@media (max-width:900px){.bx-grid{grid-template-columns:1fr}.bx-vis{display:none}}
.bx-txt{display:flex;flex-direction:column;gap:22px}
.bx-txt .eb{font-size:16px;font-weight:600;color:var(--neon)}
.bx-txt h1{font-size:clamp(44px,6.4vw,88px);line-height:.92;letter-spacing:-.045em}
.bx-txt h1 .neon{color:var(--neon);text-shadow:0 0 40px rgba(194,59,255,.45)}
.bx-txt p{margin:0;font-size:clamp(18px,1.9vw,21px);color:var(--tinta-s);max-width:46ch}
.bx-txt .search{margin-top:4px;max-width:560px}
.bx-stats{display:flex;gap:36px;flex-wrap:wrap}.bx-stats div{display:flex;flex-direction:column}.bx-stats b{font-family:"Bricolage Grotesque",sans-serif;font-size:44px;line-height:1;letter-spacing:-.04em}.bx-stats span{font-size:14px;color:var(--tinta-s)}
.signal{width:100%;height:auto}
.signal .sc{transform:translate(300px,160px);animation:scan 8s cubic-bezier(.65,0,.35,1) infinite alternate}
.signal .lk{transform-box:fill-box;transform-origin:center;animation:lock 8s ease-out infinite alternate}
@keyframes scan{0%{transform:translate(90px,80px)}25%{transform:translate(220px,260px)}50%{transform:translate(380px,90px)}72%,100%{transform:translate(300px,160px)}}
@keyframes lock{0%,70%{opacity:0;transform:scale(.4)}80%{opacity:.4;transform:scale(1.3)}100%{opacity:.18;transform:scale(1)}}
.feat{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);background:var(--sup);text-decoration:none;color:var(--tinta);margin:24px 0 8px;transition:box-shadow .25s ease}
.feat:hover{box-shadow:0 0 0 1px var(--neon),0 0 48px rgba(194,59,255,.25);color:var(--tinta)}
.feat img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.feat .in{padding:clamp(24px,3.4vw,44px);display:flex;flex-direction:column;gap:14px;justify-content:center}
.feat .cat{font-size:13px;font-weight:700;color:var(--neon)}
.feat h2{margin:0;font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(28px,3.2vw,42px);line-height:1.02;letter-spacing:-.03em}
.feat p{margin:0;color:var(--tinta-s);font-size:16px}
.feat .go{font-weight:600;color:var(--lila)}
@media (max-width:820px){.feat{grid-template-columns:1fr}}
.rail{padding:40px 0 8px}
.rail-h{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.rail-h h2{margin:0;font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(24px,2.6vw,32px);letter-spacing:-.025em}
.rail-h span{font-size:14px;color:var(--tinta-s)}.rail-h a{font-size:14px;font-weight:600;text-decoration:none}
.rail-h .arrows{margin-left:auto;display:flex;gap:6px}
.arr{width:40px;height:40px;border-radius:999px;border:0;background:var(--sup-alta);color:var(--tinta);font-size:18px;cursor:pointer}.arr:hover{background:var(--neon);color:var(--sobre-neon)}
.rail-row{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,300px);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;scrollbar-width:thin;scrollbar-color:var(--linea-f) transparent}
.rcard{scroll-snap-align:start;background:var(--sup);text-decoration:none;color:var(--tinta);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.rcard:hover{transform:translateY(-3px);box-shadow:0 0 0 1px var(--neon),0 0 24px rgba(194,59,255,.22);color:var(--tinta)}
.rcard img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.rcard .t{padding:14px 16px 4px;font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:18px;line-height:1.2;letter-spacing:-.01em}
.rcard .m{padding:0 16px 16px;font-size:13px;color:var(--tinta-s);margin-top:auto}
#explora[hidden]{display:none}
.card .in,.rcard{position:relative}
@media (prefers-reduced-motion:reduce){.signal .sc,.signal .lk{animation:none}}
.nav a{white-space:nowrap}@media (max-width:760px){.nav a.on{order:-1}}

.studio-mini{margin-left:auto;display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:0 12px;font-size:14px;font-weight:600;white-space:nowrap;color:#d4ff3a!important;text-decoration:none;background:#160a22;box-shadow:inset 0 0 0 1.5px #3b2358;transition:box-shadow .2s ease}
.studio-mini:hover{box-shadow:inset 0 0 0 1.5px #c23bff}
.studio-mini i{width:7px;height:7px;border-radius:50%;background:#d4ff3a;animation:sping 2s ease-out infinite}
.site-h .studio-mini+.btn{margin-left:8px}
@keyframes sping{0%{box-shadow:0 0 0 0 rgba(212,255,58,.6)}80%,100%{box-shadow:0 0 0 6px rgba(212,255,58,0)}}
@media (prefers-reduced-motion:reduce){.studio-mini i{animation:none}}