/* Kilovatio Academia v0.2 — componentes aislados, contraste y respuesta móvil */
.kv-academy{--kva-navy:#10253a;--kva-dark:#0b1c2d;--kva-cyan:#20b5c6;--kva-amber:#f4c66d;--kva-ink:#193448;--kva-border:#dbe5e8;--kva-muted:#617680;max-width:1240px;margin:0 auto;font-family:inherit;color:var(--kva-ink)}
.kv-academy *, .kv-academy *::before, .kv-academy *::after,.kv-lab *,.kv-lesson-quiz *{box-sizing:border-box}
.kv-academy [hidden],.kv-academy-lab-panels [hidden],.kv-glossary-term[hidden],.kv-academy-lesson[hidden]{display:none!important}
.kv-academy button,.kv-lab input,.kv-lesson-completion button,.kv-lesson-quiz button{font:inherit}
.kv-academy button:focus-visible,.kv-lab input:focus-visible,.kv-lesson-completion button:focus-visible,.kv-lesson-quiz button:focus-visible,.kv-academy a:focus-visible{outline:3px solid #f5c56b;outline-offset:3px}
.kv-academy-overline,.kv-academy-kicker{font-size:.7rem;letter-spacing:.13em;font-weight:850;text-transform:uppercase;color:#12788a}
.kv-academy-hero{position:relative;overflow:hidden;background:radial-gradient(circle at 76% 45%,#26526a,#0e2135 50%,#0b192b 90%);border-radius:22px;min-height:395px;padding:55px 50px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(220px,.75fr);gap:30px;align-items:center;color:#fff}
.kv-academy-kicker{color:var(--kva-amber)}
.kv-academy-hero h2{font-weight:850;font-size:clamp(2.2rem,4.4vw,4.2rem);letter-spacing:-.066em;line-height:1.08;margin:15px 0 20px;max-width:670px;color:white}
.kv-academy-hero h2 em{font-style:normal;color:var(--kva-amber)}
.kv-academy-hero p{font-size:1.06rem;max-width:600px;color:#ccdae6;line-height:1.75;margin:0}
.kv-academy-facts{display:flex;gap:9px;flex-wrap:wrap;margin-top:28px}
.kv-academy-facts span{display:inline-flex;gap:7px;align-items:center;background:#ffffff13;border:1px solid #ffffff21;border-radius:99px;padding:8px 14px;font-size:.79rem;color:#c9dce8}
.kv-academy-facts b{color:var(--kva-amber);font-size:.95rem}
.kv-academy-hero__graphic{position:relative;min-height:280px;display:grid;place-items:center;color:#fff}
.kv-ac-orbit{position:absolute;width:240px;aspect-ratio:1;border:1px solid #54d3e16c;border-radius:50%;box-shadow:0 0 0 28px #2cbaca12,0 0 0 59px #2cbaca08}
.kv-ac-orbit.b{width:177px;border-style:dashed;transform:rotate(25deg);border-color:#f4c66d66;box-shadow:none}
.kv-ac-orbit.c{width:100px;border-color:#55d2c269;box-shadow:none;background:#102a43}
.kv-ac-bolt{font-size:4.5rem;color:var(--kva-amber);position:relative;line-height:1}
.kv-academy-hero__graphic>span{position:absolute;background:#10283d;border:1px solid #ffffff30;border-radius:9px;padding:7px 11px;font-family:ui-monospace,monospace;font-size:.78rem;color:#d6e6ed}
.kv-academy-hero__graphic>span:nth-last-child(3){top:13px;right:0}.kv-academy-hero__graphic>span:nth-last-child(2){left:0;bottom:33px}.kv-academy-hero__graphic>span:last-child{right:4px;bottom:8px}
.kv-academy-tools{display:flex;align-items:center;justify-content:space-between;gap:35px;padding:50px 0 25px;border-bottom:1px solid var(--kva-border)}
.kv-academy-tools>div:first-child{max-width:650px}
.kv-academy-tools h3,.kv-academy-more h3,.kv-academy-library h3,.kv-academy-glossary h3{font-size:clamp(1.5rem,2.5vw,2.1rem);line-height:1.2;letter-spacing:-.045em;margin:8px 0 10px}
.kv-academy-tools p,.kv-academy-more p,.kv-academy-glossary p{color:var(--kva-muted);margin:0;line-height:1.6}
.kv-academy-tool-actions{display:flex;align-items:end;gap:18px;flex-wrap:wrap;min-width:min(100%,420px)}
.kv-academy-tool-actions label,.kv-academy-glossary-head label{display:grid;gap:7px;font-size:.78rem;font-weight:800;color:var(--kva-ink);flex:1;min-width:180px}
.kv-academy-tool-actions input,.kv-academy-glossary-head input{border:1px solid #c5d7dc;border-radius:9px;background:white;color:#10263a;padding:12px 13px;width:100%;font-size:.9rem}
.kv-ac-progress{min-width:115px}.kv-ac-progress>span{font-size:.72rem;color:var(--kva-muted)}.kv-ac-progress strong{display:block;font-size:1.05rem;margin:2px 0 8px}.kv-ac-progress-track{height:7px;width:116px;border-radius:99px;background:#d9e7ea;overflow:hidden}.kv-ac-progress-track span{display:block;width:0;height:100%;background:#098e9e;border-radius:99px;transition:width .2s}
.kv-academy-filters{display:flex;gap:8px;overflow-x:auto;padding:22px 0 0;scrollbar-width:thin}
.kv-academy-filters button{white-space:nowrap;border:1px solid #d0dfe4;background:#fff;border-radius:99px;padding:9px 16px;font-size:.82rem;font-weight:750;color:#2d4958;cursor:pointer}
.kv-academy-filters button[aria-pressed=true]{background:#10283f;color:#fff;border-color:#10283f}
.kv-academy-path{padding:41px 0 10px}
.kv-academy-path__head{display:flex;align-items:center;gap:17px;margin-bottom:24px}
.kv-academy-path__num{flex:0 0 63px;height:63px;border-radius:12px;background:#d9ebee;color:#0c8392;font-size:1.55rem;font-weight:850;display:grid;place-items:center}
.kv-academy-path__head h3{font-size:clamp(1.6rem,2.9vw,2.25rem);letter-spacing:-.05em;margin:4px 0 2px;line-height:1.15}
.kv-academy-path__head p{color:var(--kva-muted);margin:0;font-size:.9rem}
.kv-academy-path__count{margin-left:auto;background:#e5eef0;border-radius:99px;color:#4e6a79;padding:6px 10px;font-size:.75rem;white-space:nowrap}
.kv-academy-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.kv-academy-lesson{display:flex;flex-direction:column;min-height:225px;background:#fff;border:1px solid var(--kva-border);text-decoration:none!important;color:var(--kva-ink)!important;border-radius:14px;padding:23px;gap:14px;transition:box-shadow .15s,transform .15s,border .15s}
.kv-academy-lesson:hover{transform:translateY(-3px);box-shadow:0 14px 28px #112d4312;border-color:#94c7cd}
.kv-academy-lesson.is-completed{border-color:#72bab4;background:linear-gradient(140deg,#f0fbf8,#fff 80%)}
.kv-academy-lesson__top,.kv-academy-lesson__bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.7rem;color:#5e8390;font-weight:750;text-transform:uppercase;letter-spacing:.04em}
.kv-academy-lesson__top span:last-child{color:#157c89}
.kv-academy-lesson strong{font-size:1.14rem;line-height:1.25;letter-spacing:-.024em;color:#173247}
.kv-academy-lesson__desc{color:#637b85;font-size:.88rem;line-height:1.6}
.kv-academy-lesson__bottom{margin-top:auto;text-transform:none;letter-spacing:normal;font-size:.81rem;color:#08798c}
.kv-academy-lesson__pill{padding:5px 9px;border-radius:6px;background:#e9f2f4;font-size:.71rem;color:#206d7c}
.kv-academy-empty{padding:15px 0;color:var(--kva-muted)}
.kv-academy-more{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#e5f0f2;border-radius:18px;padding:32px;margin:45px 0}
.kv-academy-more>div:first-child{max-width:630px}
.kv-academy-more__links{display:flex;flex-direction:column;gap:10px;flex:0 0 auto}.kv-academy-more__links a{color:#086f82;font-weight:800;text-decoration:none}
.kv-academy-library{scroll-margin-top:22px;padding:20px 0 43px}.kv-academy-library>h3{margin-bottom:23px}
.kv-academy-lab-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:15px 0}
.kv-academy-lab-nav button{display:grid;text-align:left;gap:6px;padding:13px 14px;background:#fff;color:#1e4052;border:1px solid #d5e3e6;border-radius:10px;cursor:pointer}
.kv-academy-lab-nav button[aria-pressed=true]{border-color:#098b9b;background:#e2f3f4;box-shadow:inset 0 0 0 1px #098b9b}
.kv-academy-lab-nav strong{font-size:.84rem;line-height:1.3}.kv-academy-lab-nav small{font-size:.72rem;color:#627c88}
.kv-lab{background:#102538;color:#f5f9fb;border-radius:17px;overflow:hidden;padding:26px;margin:22px 0 10px;box-shadow:0 15px 38px #041c3215}
.kv-lab-head>span{font-size:.66rem;letter-spacing:.16em;color:#f5c56b;font-weight:850}
.kv-lab h3{color:white;font-size:1.45rem;letter-spacing:-.035em;margin:5px 0}.kv-lab-head p{color:#c1d5dd;margin:0 0 20px;font-size:.91rem}
.kv-lab-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:18px}
.kv-lab-controls{display:flex;flex-direction:column;gap:22px;padding:12px 5px 10px 0}
.kv-lab-controls label{display:grid;gap:9px;font-weight:600;font-size:.86rem;color:#dceaf1}
.kv-lab-controls label strong{color:#f5c56b;font-size:.99rem}
.kv-lab-controls input[type=range]{width:100%;accent-color:#36c9c6;cursor:pointer}
.kv-lab-hint{font-size:.85rem;color:#b8cbd6!important}
.kv-lab-display{background:#1c3b52;border-radius:12px;padding:18px;display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:205px;text-align:center}
.kv-lab-graphic{max-width:270px;width:90%;color:#cee6eb}.kv-lab-graphic svg{display:block;width:100%;height:100px}.kv-lab-field,.kv-lab-transformer{font-size:2rem;color:#5bd9d0;letter-spacing:.18em;line-height:2.7}
.kv-lab-result-label{font-size:.69rem;letter-spacing:.12em;color:#adccd7;font-weight:800}
.kv-lab-result{font-size:clamp(1.8rem,3.5vw,2.6rem);color:#f5c56b;letter-spacing:-.055em;margin:6px 0}
.kv-lab-display p{margin:0 0 9px;font-size:.81rem;color:#d2e2e7}
.kv-lab code{font-family:ui-monospace,Consolas,monospace;color:#fff;background:#ffffff12;padding:8px 11px;border-radius:6px;font-size:.84rem}
.kv-lab-wave{width:100%;height:auto;max-height:136px;overflow:visible;margin:2px 0 10px}
.kv-lab-caveat{font-size:.76rem;color:#bed0dc!important;border-top:1px solid #ffffff20;padding-top:14px;margin:20px 0 0!important}
.kv-academy-glossary{scroll-margin-top:22px;padding:27px 0 10px;border-top:1px solid #d9e4e6}
.kv-academy-glossary-head{display:flex;justify-content:space-between;gap:25px;align-items:center;margin-bottom:25px}
.kv-academy-glossary-head>div{max-width:650px}.kv-academy-glossary-head label{max-width:325px}
.kv-glossary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.kv-glossary-term{background:#fff;border:1px solid #d9e5e8;border-radius:9px;padding:12px 15px;color:#1a3648;align-self:start}
.kv-glossary-term summary{font-weight:750;font-size:.87rem;cursor:pointer;line-height:1.35}
.kv-glossary-term p{font-size:.83rem;margin:12px 0!important;color:#637983}
.kv-glossary-term small{color:#0b8392;font-size:.73rem}
.kv-academy-footnote{font-size:.74rem;color:#657d84;line-height:1.5;padding:25px 0}
.kv-lesson-breadcrumb{font-size:.81rem;color:#647e88;margin:0 0 25px}.kv-lesson-breadcrumb a{color:#087b8c;text-decoration:none}
.kv-lesson-breadcrumb span{padding:0 7px;color:#96aab2}
.kv-lesson-metadata{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 22px}.kv-lesson-metadata span{background:#e5eff0;padding:5px 11px;border-radius:99px;color:#386978;font-size:.75rem;font-weight:700}
.kv-lesson-lead{font-size:1.25rem!important;color:#3c5b6c;line-height:1.58;max-width:790px;margin:5px 0 30px!important}
.kv-lesson-formula{background:#0e263c;border-radius:14px;color:white;padding:22px 26px;margin:20px 0 32px;display:grid;gap:7px}
.kv-lesson-formula span{font-size:.68rem;letter-spacing:.11em;color:#f5c56b;font-weight:800}
.kv-lesson-formula strong{color:white;font-size:clamp(1.3rem,2.8vw,1.85rem);font-weight:750;letter-spacing:-.04em;overflow-wrap:anywhere}
.kv-article .kv-deep,.kv-deep{border:1px solid #cddfe3;border-radius:12px;background:#eaf3f4;padding:18px 20px;margin:25px 0}
.kv-deep summary{cursor:pointer;font-weight:750;color:#14586b}.kv-deep p{color:#405f6b;margin:14px 0 0!important}
.kv-lesson-quiz{background:#f5f8f7;border:1px solid #d9e6e6;border-radius:17px;padding:23px 25px;margin:55px 0 20px}
.kv-lesson-quiz h2{font-size:1.28rem!important;margin:8px 0 19px!important;line-height:1.4}
.kv-quiz-options{display:grid;gap:9px}
.kv-quiz-options button{background:#fff;border:1px solid #cbdfe3;border-radius:9px;text-align:left;color:#28485a;padding:11px 14px;cursor:pointer;font-size:.92rem}
.kv-quiz-options button:hover{border-color:#14899b}.kv-quiz-options button.is-correct{background:#e0f5e9;border-color:#2f9b63}.kv-quiz-options button.is-wrong{background:#fff1f1;border-color:#cb6161}
.kv-quiz-feedback{min-height:1.4rem;margin:10px 0 0!important;color:#29536a}
.kv-lesson-reference{border-top:1px solid #d8e5e7;padding-top:15px;margin-top:32px}.kv-lesson-reference h2{font-size:1.25rem!important}.kv-lesson-reference p{font-size:.86rem!important;color:#5b7882}
.kv-lesson-completion{border-radius:14px;background:#e4f0f1;padding:20px 24px;margin:30px 0;display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}
.kv-lesson-completion button{cursor:pointer;color:#fff;background:#0f6072;border:0;border-radius:9px;padding:12px 18px;font-weight:750}.kv-lesson-completion button[aria-pressed=true]{background:#237b62}
.kv-lesson-completion span{font-size:.76rem;color:#506c77}
.kv-lesson-next{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:30px 0}
.kv-lesson-next a{background:#fff;border:1px solid #d9e6e8;border-radius:12px;padding:17px;text-decoration:none;display:grid;gap:7px}
.kv-lesson-next small{color:#128296;font-size:.72rem}.kv-lesson-next strong{color:#223d4e;font-size:.91rem}
@media(max-width:1000px){.kv-academy-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.kv-glossary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kv-academy-hero{padding:45px 36px}}
@media(max-width:760px){.kv-academy-hero{grid-template-columns:1fr;padding:34px 23px;gap:8px}.kv-academy-hero__graphic{min-height:210px;transform:scale(.72);margin:-30px 0}.kv-academy-tools{flex-direction:column;align-items:stretch;padding-top:33px;gap:20px}.kv-academy-tool-actions{min-width:0}.kv-academy-path__head{gap:12px;flex-wrap:wrap}.kv-academy-path__count{margin-left:76px}.kv-academy-more,.kv-academy-glossary-head{flex-direction:column;align-items:stretch}.kv-academy-more__links{flex-direction:row;flex-wrap:wrap}.kv-academy-lab-nav{grid-template-columns:repeat(2,1fr)}.kv-lab-grid{grid-template-columns:1fr}.kv-glossary-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.kv-academy-cards,.kv-glossary-grid{grid-template-columns:1fr}.kv-academy-hero h2{font-size:2.6rem}.kv-academy-path__num{flex-basis:49px;height:49px}.kv-academy-path__count{margin-left:61px}.kv-lab{padding:20px 15px}.kv-academy-lab-nav{grid-template-columns:1fr 1fr}.kv-academy-tools h3{font-size:1.7rem}}
@media(prefers-reduced-motion:reduce){.kv-academy *{transition:none!important;scroll-behavior:auto!important}}