/* =====================================================================================================
   IvanImports · Guías (10/11/2026) — portada /guias/ y páginas de lecciones, temas y conceptos.
   Mismo lenguaje que Herramientas (Tools Lab): cabecera azul noche con cuadrícula técnica, etiquetas en mono,
   tarjetas con icono y color por categoría. Todo bajo .gd; sin JavaScript; respeta prefers-reduced-motion.
   ===================================================================================================== */
@font-face{font-family:"Manrope";font-style:normal;font-weight:500 800;font-display:swap;src:url(/assets/academy/fonts/manrope-latin.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/academy/fonts/inter-latin.woff2) format("woff2")}

.gd{
  --gd-night:#0b1830;--gd-deep:#112a48;
  --gd-blue:#3478f6;--gd-blue-ink:#1f5fd6;--gd-blue-soft:#e7efff;
  --gd-mint:#75e1b5;--gd-mint-ink:#0b6646;--gd-mint-soft:#dcf7ec;
  --gd-violet:#9b8dfa;--gd-violet-ink:#5141c4;--gd-violet-soft:#efecff;
  --gd-amber:#ffc66e;--gd-amber-ink:#7a4f00;--gd-amber-soft:#fff3df;
  --gd-paper:#f4f8fd;--gd-ink:#0b1830;--gd-ink-2:#26395a;--gd-mu:#56677f;--gd-line:#dde6f2;
  --gd-r-s:12px;--gd-r-m:18px;--gd-r-l:26px;--gd-pill:999px;
  --gd-sh-1:0 1px 2px rgba(11,24,48,.05),0 10px 26px -14px rgba(11,24,48,.22);
  --gd-sh-2:0 2px 6px rgba(11,24,48,.06),0 30px 60px -26px rgba(11,24,48,.42);
  --gd-ease:cubic-bezier(.2,.7,.2,1);
  --gd-sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --gd-display:Manrope,Inter,ui-sans-serif,system-ui,sans-serif;
  --gd-mono:ui-monospace,"SF Mono","Cascadia Mono","Roboto Mono",Menlo,Consolas,monospace;
  --c:var(--gd-blue);--c-ink:var(--gd-blue-ink);--c-soft:var(--gd-blue-soft);
  font-family:var(--gd-sans);color:var(--gd-ink);background:var(--gd-paper);overflow-x:clip
}
.gd *,.gd *::before,.gd *::after{box-sizing:border-box}
.gd :is(h1,h2,h3){font-family:var(--gd-display);color:inherit;margin:0;letter-spacing:-.03em}
.gd p{color:inherit;margin:0}
:where(.gd) a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
.gd a:focus-visible{outline:3px solid var(--gd-blue);outline-offset:3px;border-radius:6px}
.gd-shell{max-width:1200px;margin:0 auto;padding:0 16px}
.gd-ic{width:1.15em;height:1.15em;flex:none}
.gd--blue{--c:var(--gd-blue);--c-ink:var(--gd-blue-ink);--c-soft:var(--gd-blue-soft)}
.gd--mint{--c:var(--gd-mint);--c-ink:var(--gd-mint-ink);--c-soft:var(--gd-mint-soft)}
.gd--violet{--c:var(--gd-violet);--c-ink:var(--gd-violet-ink);--c-soft:var(--gd-violet-soft)}
.gd--amber{--c:var(--gd-amber);--c-ink:var(--gd-amber-ink);--c-soft:var(--gd-amber-soft)}

/* ---------- etiqueta en mono ---------- */
.gd .gd-kicker{display:inline-flex;align-items:center;gap:9px;font:700 11.5px/1 var(--gd-mono);letter-spacing:.14em;text-transform:uppercase;color:#a9c4f2}
.gd-kicker>i{width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--gd-mint),var(--gd-blue))}
.gd .gd-kicker--ink{color:var(--c-ink)}
.gd-kicker--ink>i{background:var(--c)}

/* =====================================================================================================
   CABECERA (portada y páginas)
   ===================================================================================================== */
.gd-hero{position:relative;color:#fff;isolation:isolate;padding:34px 0 40px;background:
  radial-gradient(60% 70% at 88% 18%,rgba(52,120,246,.34),transparent 62%),
  radial-gradient(45% 55% at 6% 100%,rgba(117,225,181,.18),transparent 65%),
  radial-gradient(35% 45% at 55% 0%,rgba(155,141,250,.22),transparent 70%),
  linear-gradient(170deg,var(--gd-night) 0%,#0d1f3d 60%,var(--gd-deep) 100%)}
.gd-hero::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.55;background-image:linear-gradient(rgba(150,180,230,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(150,180,230,.08) 1px,transparent 1px);background-size:32px 32px;-webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 92%);mask-image:linear-gradient(180deg,#000 0%,transparent 92%)}
.gd-hero h1{margin:14px 0 0;font-size:clamp(36px,8.6vw,64px);line-height:.98;font-weight:800;letter-spacing:-.045em;text-wrap:balance;max-width:16ch}
.gd-hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--gd-mint),#7fb4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.gd-hero .gd-lead{margin-top:16px;max-width:62ch;font-size:clamp(16px,2.2vw,18px);line-height:1.55;color:#c8d6ee}
.gd-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.gd-pills span{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:var(--gd-pill);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);font:600 12.5px/1 var(--gd-sans);color:#dbe6fb}
.gd-pills .gd-ic{color:var(--gd-mint);width:14px;height:14px}

/* migas sobre fondo oscuro */
.gd .hub-breadcrumbs{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0 0 4px;padding:0;font-size:13px;color:#8fa6cc}
.gd .hub-breadcrumbs a{color:#c8d6ee;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(200,214,238,.35)}
.gd .hub-breadcrumbs a:hover{color:#fff}
.gd .hub-breadcrumbs [aria-current]{color:#8fa6cc}

/* accesos a las categorías en la portada */
.gd-jump{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:26px}
@media(min-width:860px){.gd-jump{grid-template-columns:repeat(4,minmax(0,1fr))}}
.gd-jump a{display:flex;align-items:center;gap:12px;padding:14px;border-radius:var(--gd-r-m);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);transition:background .2s var(--gd-ease),border-color .2s var(--gd-ease),transform .2s var(--gd-ease)}
.gd-jump a:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);transform:translateY(-2px)}
.gd-jump-ic{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;flex:none;background:var(--c-soft);color:var(--c-ink)}
.gd-jump-ic .gd-ic{width:20px;height:20px}
.gd-jump b{display:block;font:800 14.5px/1.2 var(--gd-display);color:#fff;letter-spacing:-.01em}
.gd-jump small{display:block;margin-top:3px;font-size:12px;color:#9fb2d4}

/* =====================================================================================================
   PORTADA · categorías
   ===================================================================================================== */
.gd-cat{padding:46px 0 10px}
.gd-cat+.gd-cat{border-top:1px solid var(--gd-line)}
.gd-cat-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:start;margin-bottom:22px;max-width:820px}
.gd-cat-num{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:var(--c-soft);color:var(--c-ink);font:800 20px/1 var(--gd-display)}
.gd-cat-head h2{margin-top:8px;font-size:clamp(26px,5.6vw,40px);line-height:1.05;font-weight:800;text-wrap:balance}
.gd-cat-head p{margin-top:8px;color:var(--gd-mu);font-size:16px;line-height:1.55}
@media(max-width:619px){.gd-cat{padding-top:36px}.gd-cat-head{grid-template-columns:minmax(0,1fr);gap:12px}.gd-cat-num{width:44px;height:44px;font-size:17px;border-radius:13px}.gd-jump a{padding:12px;gap:10px}.gd-jump-ic{width:36px;height:36px}}

.gd-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
@media(min-width:620px){.gd-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:980px){.gd-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.gd-card{position:relative;display:flex;flex-direction:column;gap:10px;padding:18px 18px 16px;border-radius:var(--gd-r-m);background:#fff;border:1px solid var(--gd-line);box-shadow:var(--gd-sh-1);transition:transform .2s var(--gd-ease),box-shadow .2s var(--gd-ease),border-color .2s var(--gd-ease);min-height:100%}
.gd-card:hover{transform:translateY(-3px);box-shadow:var(--gd-sh-2);border-color:color-mix(in srgb,var(--c) 55%,var(--gd-line))}
.gd-card--lead{background:linear-gradient(160deg,#fff 0%,var(--c-soft) 140%);border-color:color-mix(in srgb,var(--c) 40%,var(--gd-line))}
.gd-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.gd-card-ic{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:var(--c-soft);color:var(--c-ink)}
.gd-card-ic .gd-ic{width:19px;height:19px}
.gd-badge{font:700 10.5px/1 var(--gd-mono);letter-spacing:.1em;text-transform:uppercase;padding:6px 8px;border-radius:var(--gd-pill);background:var(--gd-paper);color:var(--gd-mu);border:1px solid var(--gd-line);white-space:nowrap}
.gd-badge--free{background:var(--gd-mint-soft);color:var(--gd-mint-ink);border-color:transparent}
.gd-card h3{font-size:18.5px;line-height:1.2;font-weight:800;letter-spacing:-.02em}
.gd-card p{color:var(--gd-mu);font-size:14.5px;line-height:1.5}
.gd-card-go{margin-top:auto;padding-top:4px;display:inline-flex;align-items:center;gap:6px;font:700 13.5px/1 var(--gd-sans);color:var(--c-ink)}
.gd-card-go .gd-ic{width:15px;height:15px;transition:transform .2s var(--gd-ease)}
.gd-card:hover .gd-card-go .gd-ic{transform:translateX(3px)}

/* =====================================================================================================
   Llamada al curso (portada y páginas)
   ===================================================================================================== */
.gd-cta{margin:46px 0 54px;padding:28px 22px;border-radius:var(--gd-r-l);color:#fff;position:relative;overflow:hidden;isolation:isolate;background:radial-gradient(70% 90% at 100% 0%,rgba(52,120,246,.4),transparent 62%),radial-gradient(50% 70% at 0% 100%,rgba(117,225,181,.2),transparent 65%),linear-gradient(160deg,var(--gd-night),var(--gd-deep))}
.gd-cta h2{font-size:clamp(24px,5vw,36px);line-height:1.06;font-weight:800;max-width:22ch;text-wrap:balance}
.gd-cta p{margin-top:10px;color:#c8d6ee;max-width:60ch;line-height:1.55}
.gd-cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.gd-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 18px;border-radius:var(--gd-pill);font:700 15px/1 var(--gd-sans);transition:transform .18s var(--gd-ease),background .18s var(--gd-ease)}
.gd-btn:hover{transform:translateY(-1px)}
.gd-btn--main{background:linear-gradient(135deg,#ffd36b,#f6b73c);color:#1b1300;box-shadow:0 10px 26px -12px rgba(246,183,60,.8)}
.gd-btn--ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.2)}
.gd-btn--ghost:hover{background:rgba(255,255,255,.14)}
.gd-btn--ink{background:var(--gd-ink);color:#fff}
.gd-btn--line{background:#fff;color:var(--gd-ink);border:1px solid var(--gd-line)}
.gd-note{margin-top:16px;font-size:12.5px;line-height:1.5;color:#8fa6cc}

/* =====================================================================================================
   PÁGINAS · temas, lecciones y conceptos (el artículo de siempre con identidad nueva)
   ===================================================================================================== */
.gd-doc .gd-hero{padding:26px 0 34px}
.gd-doc .gd-hero h1{font-size:clamp(32px,7vw,54px);max-width:20ch}
.gd-body{display:grid;grid-template-columns:minmax(0,1fr);gap:22px;padding-top:28px;padding-bottom:20px}
@media(min-width:1000px){.gd-body{grid-template-columns:minmax(0,1fr) 320px;align-items:start}}
.gd .gd-prose{background:#fff;border:1px solid var(--gd-line);border-radius:var(--gd-r-l);box-shadow:var(--gd-sh-1);padding:clamp(20px,4vw,40px);max-width:none;color:var(--gd-ink-2);font-size:16.5px;line-height:1.7}
.gd .gd-prose>:first-child{margin-top:0}
.gd .gd-prose h2{margin:34px 0 12px;font-size:clamp(22px,3.6vw,28px);line-height:1.15;font-weight:800;color:var(--gd-ink)}
.gd .gd-prose h3{margin:26px 0 8px;font-size:19px;font-weight:800;color:var(--gd-ink)}
.gd .gd-prose p{margin:0 0 14px}
.gd .gd-prose a:not(.btn){color:var(--gd-blue-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(31,95,214,.35)}
.gd .gd-prose a:not(.btn):hover{text-decoration-color:currentColor}
.gd .gd-prose :is(ul,ol){margin:0 0 16px;padding-left:22px}
.gd .gd-prose li+li{margin-top:6px}
.gd .gd-prose table{width:100%;border-collapse:collapse;margin:8px 0 18px;font-size:14.5px}
.gd .gd-prose :is(th,td){padding:10px 12px;border-bottom:1px solid var(--gd-line);text-align:left;vertical-align:top}
.gd .gd-prose th{font:700 12px var(--gd-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--gd-mu);background:var(--gd-paper)}
.gd .gd-prose blockquote{margin:0 0 16px;padding:12px 16px;border-left:3px solid var(--gd-blue);background:var(--gd-blue-soft);border-radius:0 var(--gd-r-s) var(--gd-r-s) 0}
/* bloques del contenido */
.gd .gd-prose .hub-content-block{margin:0 0 16px;padding:16px 18px;border-radius:var(--gd-r-m);background:var(--gd-paper);border:1px solid var(--gd-line)}
.gd .gd-prose .hub-content-block>:last-child{margin-bottom:0}
@media(max-width:619px){.gd .gd-prose{padding:18px 16px;font-size:16px}.gd .gd-prose .hub-content-block{padding:14px;margin-left:-4px;margin-right:-4px}}
.gd .gd-prose .hub-disclaimer{margin:18px 0;padding:14px 16px;border-radius:var(--gd-r-m);background:var(--gd-amber-soft);border:1px solid #f6dfb0;color:#5a3d00;font-size:14.5px;line-height:1.55}
.gd .gd-prose .hub-status{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:var(--gd-pill);background:var(--gd-mint-soft);color:var(--gd-mint-ink);font:700 12px var(--gd-sans)}
.gd .gd-prose .hub-related{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;margin:10px 0 18px}
@media(min-width:620px){.gd .gd-prose .hub-related{grid-template-columns:repeat(2,minmax(0,1fr))}}
.gd .gd-prose .hub-related a{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-radius:var(--gd-r-m);background:#fff;border:1px solid var(--gd-line);text-decoration:none;color:var(--gd-ink);transition:border-color .2s,box-shadow .2s,transform .2s}
.gd .gd-prose .hub-related a:hover{border-color:#b9cdf3;box-shadow:var(--gd-sh-1);transform:translateY(-2px)}
.gd .gd-prose .hub-related a strong{font:800 15.5px/1.25 var(--gd-display)}
.gd .gd-prose .hub-related a span{color:var(--gd-mu);font-size:14px;line-height:1.45}
/* lista de lecciones de un tema: tarjetas numeradas */
.gd .gd-prose ol.gd-steps{list-style:none;padding:0;counter-reset:gd-step;display:grid;gap:10px}
.gd .gd-prose ol.gd-steps>li{counter-increment:gd-step;position:relative;margin:0;padding:14px 16px 14px 62px;border-radius:var(--gd-r-m);border:1px solid var(--gd-line);background:#fff;transition:border-color .2s,box-shadow .2s}
.gd .gd-prose ol.gd-steps>li:hover{border-color:#b9cdf3;box-shadow:var(--gd-sh-1)}
.gd .gd-prose ol.gd-steps>li::before{content:counter(gd-step,decimal-leading-zero);position:absolute;left:14px;top:14px;display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--gd-blue-soft);color:var(--gd-blue-ink);font:800 13px/1 var(--gd-mono)}
.gd .gd-prose ol.gd-steps>li a{font:800 16.5px/1.3 var(--gd-display);color:var(--gd-ink);text-decoration:none}
.gd .gd-prose ol.gd-steps>li a:hover{color:var(--gd-blue-ink)}
.gd .gd-prose ol.gd-steps>li :is(p,span,small){display:block;margin:4px 0 0;color:var(--gd-mu);font-size:14.5px;line-height:1.5}
/* acciones del final del artículo */
.gd .gd-prose .hub-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;padding-top:20px;border-top:1px solid var(--gd-line)}
.gd .gd-prose .hub-actions .btn{min-height:46px;border-radius:var(--gd-pill);padding:0 18px;font-weight:700}
.gd .gd-prose .hub-actions .btn-primary{background:var(--gd-ink);border-color:var(--gd-ink);color:#fff}
.gd .gd-prose .hub-actions .btn-secondary{background:#fff;border:1px solid var(--gd-line);color:var(--gd-ink)}

/* barra lateral: el curso */
.gd-aside{display:grid;gap:12px}
@media(min-width:1000px){.gd-aside{position:sticky;top:88px}}
.gd-aside-card{padding:20px;border-radius:var(--gd-r-l);color:#fff;background:radial-gradient(80% 90% at 100% 0%,rgba(52,120,246,.4),transparent 62%),linear-gradient(160deg,var(--gd-night),var(--gd-deep));box-shadow:var(--gd-sh-2)}
.gd-aside-card h2{font-size:21px;line-height:1.15;font-weight:800;margin-top:10px}
.gd-aside-card p{margin-top:8px;color:#c8d6ee;font-size:14.5px;line-height:1.5}
.gd-aside-card ul{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px;font-size:14px;color:#dbe6fb}
.gd-aside-card li{display:flex;gap:8px;align-items:flex-start}
.gd-aside-card li .gd-ic{color:var(--gd-mint);margin-top:2px}
.gd-aside-card .gd-btn{width:100%;margin-top:16px}
.gd-aside-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;border-radius:var(--gd-r-m);background:#fff;border:1px solid var(--gd-line);font:700 14.5px var(--gd-sans);color:var(--gd-ink);transition:border-color .2s,transform .2s}
.gd-aside-link:hover{border-color:#b9cdf3;transform:translateY(-2px)}
.gd-aside-link .gd-ic{color:var(--gd-blue-ink)}

@media(prefers-reduced-motion:reduce){.gd *,.gd *::before{transition:none!important}.gd-card:hover,.gd-jump a:hover,.gd-aside-link:hover{transform:none}}