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/* Dirección solicitada por Julián: estética del sitio principal itsquery.com. */
:root{--bg:#f5fbff;--surface:#fff;--text:#071316;--soft:#344f5c;--muted:#586d78;--mint:#0b78c6;--line:rgba(14,47,55,.14);--paper:#fff;--blue:#0d8bff;--green:#2fd47c}
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/* Ajuste final solicitado: conservar composición del sitio principal en modo oscuro. */
:root{--bg:#071011;--surface:#101d1d;--text:#F7FFF9;--soft:#DCEBE5;--muted:#9DB0AA;--mint:#77F2B2;--line:rgba(191,255,224,.15);--paper:#0b1717;--blue:#77F2B2;--green:#77F2B2}
body{color:var(--text);background:radial-gradient(ellipse at 10% 5%,rgba(119,242,178,.085),transparent 30%),radial-gradient(ellipse at 90% 20%,rgba(119,242,178,.045),transparent 35%),#071011}.preview{background:#10251d;color:#BFFFE0;border-color:#284639}.site-head{background:rgba(7,16,17,.9)}.brand span{color:#9DB0AA}.nav-links{background:rgba(20,37,35,.8);border-color:var(--line)}.nav-links .active{background:#77F2B2;color:#071011;box-shadow:none}.nav-link{color:#DCEBE5}.button{background:#77F2B2;color:#071011;border-color:#77F2B2;box-shadow:0 12px 28px #0003}.button.secondary{background:#101d1d;color:#F7FFF9;border-color:var(--line)}.eyebrow{color:#77F2B2}.eyebrow:before,.dot{background:#77F2B2;box-shadow:0 0 0 5px #77f2b212}.intro h1 em{color:#77F2B2}.feature{background:rgba(17,33,31,.8);border-color:var(--line);box-shadow:0 28px 75px #0003,inset 0 1px 0 #bfffe009}.feature-copy .kicker{color:#BFFFE0}.topic-strip a{background:#10201d;border-color:var(--line)}.search input{background:#101d1d;color:#F7FFF9;border-color:#49675b;box-shadow:none}.search input::placeholder{color:#9DB0AA}.filterbar button{background:#101d1d;color:#DCEBE5}.filterbar button[aria-pressed=true]{background:#77F2B2;border-color:#77F2B2;color:#071011;box-shadow:none}.card{background:rgba(16,29,29,.92);border-color:var(--line);box-shadow:0 10px 30px #0002}.card:hover{border-color:#77F2B2;box-shadow:0 20px 42px #0004}.card-bottom{color:#9DB0AA}.card-bottom span{color:#77F2B2}.type-art{background:radial-gradient(circle at 70% 25%,#1f4234,transparent 65%),linear-gradient(135deg,#142a23,#0b1717);border-color:var(--line)}.type-art:after{background-image:linear-gradient(#77f2b208 1px,transparent 1px),linear-gradient(90deg,#77f2b208 1px,transparent 1px)}.type-art strong{color:#BFFFE0}.type-art span{color:#9DB0AA}.cta-band{background:radial-gradient(circle at 85% 0,rgba(119,242,178,.12),transparent 55%),#11241e;border-color:#2d5142;color:#F7FFF9;box-shadow:0 24px 60px #0002}.cta-band p{color:#DCEBE5}.cta-band .button{background:#77F2B2;color:#071011;border-color:#77F2B2}footer{background:#091514}.deck{color:#DCEBE5}.avatar{background:#10241b;border-color:#355844;color:#77F2B2}.reading-zone{background:#0b1717;border-color:#294236}.reading{color:#DCEBE5}.reading h2,.reading h3{color:#F7FFF9}.reading aside{background:#152c23;border-color:#77F2B2;color:#DCEBE5}.reading a{color:#BFFFE0}.reading .cta{background:#77F2B2;color:#071011}.toc{background:#10211b;border-color:#294637}.toc a{border-color:#294637;color:#DCEBE5}.toc strong{color:#77F2B2}.cover-figure figcaption{color:#9DB0AA}.related-grid>a{background:#101d1d;border-color:var(--line);box-shadow:0 10px 30px #0002}.empty{background:#101d1d}a:focus-visible,button:focus-visible,input:focus-visible{outline-color:#77F2B2}

.intro.banner{position:relative;isolation:isolate;display:grid;grid-template-columns:1.08fr 1fr;align-items:center;gap:40px;margin:38px 0 36px;padding:58px 50px 28px;border:1px solid #274439;border-radius:30px;background:radial-gradient(ellipse at 85% 45%,#254f3855,transparent 55%),linear-gradient(125deg,#10221b,#081312 65%);overflow:hidden;box-shadow:0 24px 70px #0002}.banner::before{content:"";position:absolute;z-index:-1;width:450px;height:450px;border-radius:50%;border:1px solid #77f2b20e;right:-200px;top:-230px}.banner .eyebrow{font-size:10px;letter-spacing:.14em}.banner h1{font-size:clamp(42px,4.3vw,65px);line-height:1.03;letter-spacing:-.055em;margin:22px 0}.banner h1 em{color:#77F2B2;display:block}.banner .hero-lead{font-size:16px;font-weight:450;line-height:1.7;max-width:410px;color:#B9CEC3;margin:0}.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:28px}.hero-actions .button{font-size:13px}.hero-actions .hero-text-link{font-size:12px;color:#DCEBE5;padding:12px 4px;text-decoration:underline;text-underline-offset:5px}.hero-shelf{position:relative;min-height:365px;display:flex;align-items:center;justify-content:center;perspective:1100px}.book{position:absolute;display:flex;flex-direction:column;justify-content:space-between;min-height:285px;width:188px;border-radius:8px 16px 16px 8px;padding:22px 23px 21px 28px;box-shadow:12px 24px 36px #0006;border:1px solid #416b52;transition:transform .25s ease,box-shadow .25s ease;text-decoration:none;transform-origin:bottom center}.book::before{content:"";position:absolute;top:0;bottom:0;left:9px;border-left:1px solid #ffffff17}.book-kicker{font-size:9px;font-weight:750;letter-spacing:2px}.book strong{font-size:35px;line-height:.99;letter-spacing:-1.5px;font-weight:750}.book-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:10px;font-weight:650;line-height:1.4}.book-foot b{font-size:23px}.book-icon{width:56px;height:56px;stroke:currentColor;fill:none;stroke-width:1.5}.book.cases{background:#142d23;color:#BFFFE0;left:0;transform:rotate(-12deg) translateY(10px);z-index:1}.book.guides{background:#77F2B2;color:#071011;left:calc(50% - 94px);transform:translateY(-13px) rotate(-2deg);z-index:3;border-color:#9cfac6}.book.ideas{background:#203d2e;color:#F7FFF9;right:0;transform:rotate(12deg) translateY(10px);z-index:2}.book.guides::before{border-color:#07101122}.book:hover,.book:focus-visible{transform:translateY(-26px) rotate(0deg);z-index:4;box-shadow:12px 32px 45px #0008}.banner-bottom{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:18px;padding-top:26px;margin-top:18px;border-top:1px solid #77f2b21c;font-size:11px;color:#9DB0AA}.banner-bottom .hero-topics{display:flex;flex-wrap:wrap;gap:20px;color:#DCEBE5}.hero-topics span:before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:#77F2B2;margin-right:8px;vertical-align:middle}.banner-bottom>a{white-space:nowrap;color:#BFFFE0}.banner a:focus-visible{outline:3px solid #F7FFF9;outline-offset:5px}.book.guides:focus-visible{outline-color:#77F2B2}
@media(max-width:1100px){.intro.banner{padding:38px 32px 25px;gap:24px}.hero-shelf{min-height:335px}.book{width:155px;min-height:250px;padding:20px 18px 18px 24px}.book.guides{left:calc(50% - 77.5px)}.book strong{font-size:29px}.book-foot{font-size:9px}.banner h1{font-size:51px}}
@media(max-width:760px){.intro.banner{grid-template-columns:1fr;padding:32px 27px 25px;margin-top:25px;gap:22px}.banner h1{font-size:48px;max-width:500px}.banner .hero-lead{max-width:500px;font-size:15px}.hero-shelf{width:min(420px,100%);margin:auto;min-height:310px}.book{width:155px;min-height:245px}.book.guides{left:calc(50% - 77.5px)}.banner-bottom{margin-top:0;align-items:flex-start;flex-direction:column;padding-top:22px}.banner-bottom .hero-topics{gap:10px 17px}.hero-actions{margin-top:24px}.hero-actions .button{font-size:12px;padding:12px 18px}.hero-actions .hero-text-link{font-size:11px}}
@media(max-width:430px){.intro.banner{padding:30px 22px 23px;border-radius:24px}.banner h1{font-size:43px}.banner .eyebrow{font-size:9px;letter-spacing:.08em}.hero-shelf{min-height:270px;width:100%}.book{width:126px;min-height:218px;padding:17px 14px 15px 20px}.book.guides{left:calc(50% - 63px)}.book strong{font-size:27px;letter-spacing:-1px}.book-kicker{font-size:8px;letter-spacing:1px}.book-icon{width:42px;height:42px}.book-foot{font-size:8px}.book-foot b{font-size:18px}.hero-actions{gap:8px}.banner-bottom{font-size:10px}.hero-actions .hero-text-link{padding-left:0}}
@media(prefers-reduced-motion:reduce){.book{transition:none}}
@media(max-width:760px){.hero-shelf{transform:scale(.8);transform-origin:center center;margin-top:-18px;margin-bottom:-18px}}

/* Production: unenhanced archive exposes every link to crawlers. */
.category-head{padding:48px 0 0}.category-head h1{font-size:clamp(34px,4vw,56px);line-height:1.1;letter-spacing:-.04em;margin:18px 0;font-weight:750}.category-head p{max-width:760px;color:#9DB0AA}.category-head .breadcrumb{margin-bottom:20px}.category-page .archive{padding-top:32px}.reading img{height:auto;max-width:100%}.reading table{display:block;overflow:auto;max-width:100%}.reading pre{overflow:auto}.reading [style]{max-width:100%}