:root{color-scheme:dark;--bg:#030b14;--surface:#081725;--surface2:#0d2133;--line:#1d3a51;--ink:#eef7ff;--muted:#9eb2c8;--blue:#38a8ff;--cyan:#36d7d0;--green:#4ade80;--amber:#fbbf24;--red:#fb7185;--shadow:0 24px 70px rgba(0,0,0,.34);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}html{scroll-behavior:smooth;scroll-padding-top:92px}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 84% 6%,rgba(56,168,255,.14),transparent 28rem),var(--bg);color:var(--ink);line-height:1.6}body[data-theme="light"]{color-scheme:light;--bg:#edf6fc;--surface:#fff;--surface2:#e8f2f8;--line:#c5d8e5;--ink:#071624;--muted:#52677b;--blue:#0969b4;--cyan:#087f7a;--green:#15803d;--amber:#a16207;--red:#be123c;--shadow:0 24px 70px rgba(20,56,82,.14)}a{color:inherit}button,input,select,textarea{font:inherit}button,.button{min-height:44px}:focus-visible{outline:3px solid var(--amber);outline-offset:3px}.shell{width:min(1180px,calc(100% - 2rem));margin:0 auto}.topbar{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(16px)}.topbar-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{display:flex;align-items:center;gap:.8rem;text-decoration:none}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02111e;font-weight:950}.brand-copy strong,.brand-copy span{display:block}.brand-copy span{color:var(--muted);font-size:.8rem}.nav{display:flex;gap:.3rem;align-items:center;flex-wrap:wrap}.nav a,.nav button{border:0;border-radius:.7rem;padding:.55rem .72rem;color:var(--muted);background:transparent;text-decoration:none;cursor:pointer}.nav a:hover,.nav button:hover{color:var(--ink);background:var(--surface2)}.hero{padding:clamp(2.8rem,7vw,6rem) 0 2.5rem;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:clamp(2rem,6vw,5rem);align-items:end}.eyebrow{color:var(--cyan);font-weight:900;letter-spacing:.11em;text-transform:uppercase;font-size:.78rem}h1,h2,h3{line-height:1.08;letter-spacing:-.03em}h1{max-width:15ch;margin:.75rem 0 1rem;font-size:clamp(2.8rem,7vw,5.7rem)}h2{margin:0 0 .8rem;font-size:clamp(1.9rem,4vw,3.1rem)}h3{margin:0 0 .55rem;font-size:1.22rem}.lede{max-width:68ch;color:var(--muted);font-size:clamp(1.05rem,2vw,1.25rem)}.hero-actions,.actions{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.35rem}.button{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border:1px solid var(--line);border-radius:.8rem;padding:.7rem 1rem;background:var(--surface);text-decoration:none;font-weight:850;cursor:pointer}.button.primary{border-color:transparent;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02111e}.button:hover{transform:translateY(-1px);border-color:var(--blue)}.hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:hidden;border:1px solid var(--line);border-radius:1.35rem;background:linear-gradient(155deg,var(--surface2),var(--surface));box-shadow:var(--shadow)}.hero-stats div{min-height:145px;display:flex;flex-direction:column;justify-content:center;padding:1.25rem}.hero-stats div:nth-child(odd){border-right:1px solid var(--line)}.hero-stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}.hero-stats strong{font-size:clamp(2rem,5vw,3.4rem);line-height:1;color:var(--blue)}.hero-stats span{margin-top:.4rem;color:var(--muted);font-size:.9rem}.section{padding:clamp(3rem,7vw,5.5rem) 0;border-top:1px solid var(--line);scroll-margin-top:92px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:1.5rem;margin-bottom:1.7rem}.section-head p{max-width:62ch;margin:0;color:var(--muted)}.path{margin:0;padding:0;list-style:none;border:1px solid var(--line);border-radius:1.1rem;overflow:hidden;background:var(--surface)}.path li{display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:1rem;align-items:center;padding:1.05rem 1.2rem}.path li+li{border-top:1px solid var(--line)}.path li:nth-child(even){background:color-mix(in srgb,var(--surface2) 55%,transparent)}.path-number{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:color-mix(in srgb,var(--blue) 16%,var(--surface));color:var(--blue);font-weight:950}.path strong,.path span{display:block}.path li div span{color:var(--muted)}.path a{color:var(--cyan);text-decoration:none;font-weight:850}.concept-grid,.lab-grid,.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.concept-card,.lab-card,.resource-card,.panel{border:1px solid var(--line);border-radius:1.1rem;background:color-mix(in srgb,var(--surface) 95%,transparent);box-shadow:0 12px 35px rgba(0,0,0,.12)}.concept-card{min-height:270px;padding:1.25rem}.concept-card .num{display:block;color:var(--blue);font-size:2.2rem;font-weight:950;line-height:1}.concept-card p,.lab-card p,.resource-card p{color:var(--muted)}.concept-flow{margin-top:1.5rem;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:1rem;background:var(--surface);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--cyan);text-align:center;overflow-x:auto}.lab-card{min-height:285px;padding:1.2rem;display:flex;flex-direction:column}.lab-card .tag,.tag{display:inline-flex;width:fit-content;border:1px solid var(--line);border-radius:99px;padding:.22rem .55rem;color:var(--muted);font-size:.78rem;font-weight:850}.lab-card h3{margin-top:.8rem}.lab-card .actions{margin-top:auto}.resource-card{padding:1.2rem}.resource-card h3{margin-top:.7rem}.resource-card .button{margin-top:.5rem}.status{display:inline-flex;align-items:center;gap:.5rem;border:1px solid color-mix(in srgb,var(--green) 45%,var(--line));border-radius:99px;padding:.36rem .65rem;color:var(--green);background:color-mix(in srgb,var(--green) 7%,var(--surface));font-size:.82rem;font-weight:900}.status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px color-mix(in srgb,var(--green) 14%,transparent)}.progress-box{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.5fr);gap:2rem;align-items:center;margin:0 auto clamp(2.5rem,6vw,5rem);padding:1.2rem 1.35rem;border:1px solid var(--line);border-radius:1rem;background:var(--surface)}.progress-track{height:10px;border-radius:99px;overflow:hidden;background:var(--surface2)}.progress-track span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width .3s}.progress-actions{display:grid;gap:.55rem}.text-button{justify-self:end;min-height:0;border:0;background:transparent;color:var(--cyan);font-weight:800;cursor:pointer}.completed{border-color:color-mix(in srgb,var(--green) 65%,var(--line))!important}.completed [data-mark-complete]{color:var(--green)}.footer{padding:2rem 0 3rem;border-top:1px solid var(--line);color:var(--muted)}.footer-inner{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}.lab-page{padding-bottom:4rem}.lab-hero{padding:2.5rem 0 1.7rem}.lab-hero h1{font-size:clamp(2.3rem,6vw,4.8rem)}.lab-layout{display:grid;grid-template-columns:minmax(270px,.72fr) minmax(0,1.28fr);gap:1rem;align-items:start}.panel{overflow:hidden}.panel-head{padding:1rem 1.2rem;border-bottom:1px solid var(--line)}.panel-body{padding:1.2rem}.control{margin-bottom:1rem}.control label{display:flex;justify-content:space-between;gap:1rem;margin-bottom:.35rem;font-weight:800}.control input[type="range"],.control textarea,.control input[type="number"],.control input[type="text"],.control select{width:100%}.control textarea,.control input[type="number"],.control input[type="text"],.control select{min-height:44px;border:1px solid var(--line);border-radius:.65rem;padding:.6rem;color:var(--ink);background:var(--surface2)}.control textarea{min-height:120px;resize:vertical}.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem}.metric{padding:.9rem;border-radius:.8rem;background:var(--surface2)}.metric strong,.metric span{display:block}.metric strong{font-size:1.45rem;color:var(--cyan)}.metric span{color:var(--muted);font-size:.8rem}.callout{margin-top:1rem;padding:1rem;border-left:4px solid var(--amber);border-radius:.4rem .8rem .8rem .4rem;background:color-mix(in srgb,var(--amber) 9%,var(--surface))}.codebox{overflow:auto;margin-top:1rem;border:1px solid var(--line);border-radius:.8rem;padding:1rem;background:#02070d;color:#dbeafe;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;white-space:pre-wrap}.flow-steps{display:grid;gap:.7rem}.flow-step{display:grid;grid-template-columns:42px 1fr;gap:.7rem;align-items:start;padding:.8rem;border:1px solid var(--line);border-radius:.8rem;background:var(--surface2);opacity:.55}.flow-step.active{opacity:1;border-color:var(--blue)}.flow-step.done{opacity:1;border-color:var(--green)}.flow-step b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--surface);color:var(--cyan)}.proof-list{display:grid;gap:.55rem;margin-top:1rem}.proof-item{padding:.7rem;border-left:4px solid var(--cyan);border-radius:.4rem;background:var(--surface2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem;overflow-wrap:anywhere}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.state-card{padding:1rem;border:1px solid var(--line);border-radius:.9rem;background:var(--surface2)}.state-card strong{color:var(--cyan)}.bar{height:12px;border-radius:99px;overflow:hidden;background:var(--surface2)}.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width .3s}.quiz-shell{padding:2rem 0 4rem}.quiz-toolbar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.7rem;margin-bottom:1rem}.quiz-toolbar select,.quiz-toolbar input{width:100%;min-height:44px;border:1px solid var(--line);border-radius:.65rem;padding:.6rem;background:var(--surface);color:var(--ink)}.question-card{padding:1.2rem;border:1px solid var(--line);border-radius:1rem;background:var(--surface);margin-bottom:1rem}.question-card h3{font-size:1.08rem;letter-spacing:0}.option-list{display:grid;gap:.55rem;margin-top:.8rem}.option-list button{border:1px solid var(--line);border-radius:.7rem;padding:.7rem .8rem;text-align:left;background:var(--surface2);color:var(--ink);cursor:pointer}.option-list button.correct{border-color:var(--green);background:color-mix(in srgb,var(--green) 13%,var(--surface2))}.option-list button.incorrect{border-color:var(--red);background:color-mix(in srgb,var(--red) 12%,var(--surface2))}.explanation{margin-top:.8rem;padding:.8rem;border-left:4px solid var(--blue);border-radius:.4rem;background:var(--surface2);color:var(--muted)}.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.7rem}.summary-card{padding:1rem;border:1px solid var(--line);border-radius:.8rem;background:var(--surface)}.summary-card strong,.summary-card span{display:block}.summary-card strong{font-size:1.6rem;color:var(--cyan)}.muted{color:var(--muted)}@media(max-width:900px){html{scroll-padding-top:84px}.hero,.lab-layout{grid-template-columns:1fr}.concept-grid,.lab-grid,.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-head{align-items:start;flex-direction:column}.progress-box{grid-template-columns:1fr}.quiz-toolbar{grid-template-columns:repeat(2,minmax(0,1fr))}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.shell{width:min(100% - 1.2rem,1180px)}.brand-copy span,.nav a:not(.keep-mobile){display:none}.hero{padding-top:2.2rem}.hero-stats div{min-height:115px;padding:1rem}.path li{grid-template-columns:46px minmax(0,1fr)}.path a{grid-column:2}.concept-grid,.lab-grid,.resource-grid,.two-col,.metric-grid,.quiz-toolbar,.summary-grid{grid-template-columns:1fr}.hero-actions .button{width:100%}.section{scroll-margin-top:82px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
/* Ruta de negocios y herramientas de estudio */
.skip-link{position:fixed;top:-100px;left:1rem;z-index:100;padding:.7rem;background:var(--ink);color:var(--bg)}.skip-link:focus{top:1rem}
[hidden]{display:none!important}.nav a,.nav button,.tag,.eyebrow,.brand-copy span,.metric span{font-size:.875rem}.hero h1{font-size:clamp(2.6rem,5vw,4.4rem);max-width:20ch}.hero{padding-top:2.5rem}.lab-hero h1{max-width:24ch;font-size:clamp(2.2rem,5vw,3.8rem)}.section{padding:3rem 0}.section-head h2{max-width:24ch}.study-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.study-grid article{padding:1.3rem;border:1px solid var(--line);border-radius:1rem;background:var(--surface)}.study-grid h2{font-size:1.5rem;line-height:1.25}.study-grid h3{line-height:1.3}.study-tools{display:flex;gap:1rem;flex-wrap:wrap;align-items:end;margin-bottom:1.4rem}.study-tools label{display:grid;gap:.4rem;flex:1;min-width:180px}.study-tools input,.study-tools select{width:100%;min-height:46px;padding:.7rem;border-radius:.7rem;border:1px solid var(--line);background:var(--surface);color:var(--ink)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:1rem}table{width:100%;border-collapse:collapse;background:var(--surface)}th,td{padding:1rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);min-width:145px}th{color:var(--cyan)}caption{text-align:left;padding:1rem;font-weight:800}.lab-link{display:inline-block;margin:.7rem 0;color:var(--cyan);font-weight:800}.study-grid details{margin-top:1rem;padding-top:.5rem;border-top:1px solid var(--line)}summary{cursor:pointer;color:var(--cyan);font-weight:750;min-height:44px}.study-grid p{color:var(--muted)}.lab-card h3,.resource-card h3{line-height:1.25}.scenario-output{padding:1.5rem;min-height:200px;background:var(--surface2);border-radius:.8rem}.scenario-output h2{font-size:1.8rem}.network-view{width:100%;height:auto;max-height:290px;display:block}.network-view text{fill:var(--ink);font-family:inherit;font-size:16px}.network-view .edge{stroke:var(--cyan);stroke-width:2;stroke-dasharray:9 6;animation:traffic 1.5s linear infinite}.network-view circle,.network-view rect{fill:var(--surface);stroke:var(--blue);stroke-width:2}@keyframes traffic{to{stroke-dashoffset:-30}}.stage-track{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;margin:1rem 0}.stage-track span{padding:.7rem;border:1px solid var(--line);border-radius:.5rem;text-align:center;font-size:.9rem}.stage-track .active{border-color:var(--cyan);background:var(--surface2);font-weight:800}.balance-bar{display:flex;height:24px;background:var(--surface2);border-radius:8px;overflow:hidden;margin:1rem 0}.balance-bar span{background:var(--cyan);transition:width .4s}.reading{max-width:78ch}.reading p{line-height:1.8}.reading h2{font-size:2rem;margin-top:2.5rem}.reading h3{line-height:1.3}.route-note{border-left:4px solid var(--cyan);padding:1rem 1.2rem;background:var(--surface);margin:1rem 0 2rem}.lab-layout>*{min-width:0}.metric strong{overflow-wrap:anywhere}.nav a.keep-mobile{display:inline-block}button:disabled{cursor:default;opacity:.75}.option-list button[aria-pressed="true"]{outline:2px solid var(--blue)}
@media(max-width:700px){.study-grid{grid-template-columns:1fr}.stage-track{grid-template-columns:repeat(2,1fr)}.topbar-inner{flex-wrap:wrap;padding:.5rem 0}.nav{gap:0}.nav a,.nav button{padding:.4rem}.brand-copy span{display:none}.hero{gap:1rem}.concept-card{min-height:0}}
@media print{.topbar,.study-tools,.actions,.hero-actions,.progress-box{display:none}body{background:white;color:black}p,.muted,.lede{color:#222!important}.study-grid{display:block}.study-grid article{break-inside:avoid;margin-bottom:1rem}a{color:inherit}.section{padding:1rem 0}}