/* Curso de termografía — base de lección. Tokens del sitio (css/styles.css). */
:root {
  --forest: #003b2c;
  --forest-deep: #002419;
  --forest-mid: #0a4a39;
  --teal: #249597;
  --teal-deep: #1a7375;
  --gold: #ffb400;
  --gold-hover: #e6a200;
  --brown: #2c1904;
  --paper: #ffffff;
  --paper-2: #f3f7f5;
  --ink: #14261f;
  --muted: #3d5c52;
  --line: #c9d8d2;
  --radius: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Poppins", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --hot: #e2541c;
  --warn-bg: #fff5e0;
  --tip-bg: #e7f4f3;
  --campo-bg: #fdecea;
  --c-header: 3.75rem;
  --c-measure: 44rem;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--c-header) + 1rem); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
  overflow-x: hidden;
}

img, svg, canvas, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--teal-deep); text-underline-offset: 0.18em; }
a:hover { color: var(--forest); }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 4px; }
button, input, select, textarea { font: inherit; color: inherit; }

.skip {
  background: var(--gold); color: var(--brown); left: 1rem; padding: 0.5rem 1rem;
  position: fixed; top: -4rem; z-index: 100; border-radius: 8px; font-weight: 600;
}
.skip:focus { top: 1rem; }

/* ---------- Header ---------- */
.c-header {
  align-items: center; background: rgba(255, 255, 255, 0.94); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); display: flex; gap: 1rem; height: var(--c-header);
  padding: 0 clamp(1rem, 3vw, 2rem); position: sticky; top: 0; z-index: 50;
}
.c-brand img { height: 2rem; width: auto; }
.c-course {
  color: var(--forest); font-size: 0.9rem; font-weight: 600; text-decoration: none; white-space: nowrap;
}
.c-blog { color: var(--muted); font-size: 0.85rem; margin-left: auto; text-decoration: none; }
.c-progress { align-items: center; display: flex; flex: 1; gap: 0.5rem; max-width: 18rem; margin-left: auto; }
.c-progress-bar { background: var(--paper-2); border-radius: 99px; flex: 1; height: 0.4rem; overflow: hidden; }
.c-progress-bar span { background: linear-gradient(90deg, var(--teal), var(--gold)); display: block; height: 100%; }
.c-progress-label { color: var(--muted); font-family: var(--mono); font-size: 0.75rem; white-space: nowrap; }
.c-progress + .c-blog { margin-left: 0.5rem; }
@media (max-width: 40rem) {
  .c-course { display: none; }
  .c-progress { max-width: none; }
}

/* ---------- Layout ---------- */
.c-layout {
  display: grid; gap: clamp(1.5rem, 4vw, 3.5rem); grid-template-columns: minmax(0, 1fr);
  margin: 0 auto; max-width: 82rem; padding: clamp(1.5rem, 4vw, 3rem) 16px 4rem;
}
@media (min-width: 64rem) {
  .c-layout { grid-template-columns: 17rem minmax(0, 1fr); padding-inline: 2rem; }
}

.c-toc { display: none; }
@media (min-width: 64rem) {
  .c-toc {
    align-self: start; display: block; font-size: 0.84rem; max-height: calc(100vh - var(--c-header) - 2rem);
    overflow: auto; padding-right: 0.5rem; position: sticky; scrollbar-color: var(--line) transparent; scrollbar-width: thin;
    top: calc(var(--c-header) + 1.25rem);
  }
}

/* ---------- Lesson typography ---------- */
.lesson { min-width: 0; }
.lesson > * { max-width: var(--c-measure); }
.lesson > .lab, .lesson > .figure-wide, .lesson > .table-wrap, .lesson > .wide, .lesson > .c-steps { max-width: 100%; }
.c-step > * { max-width: var(--c-measure); }
.c-step > .lab, .c-step > .figure-wide, .c-step > .table-wrap, .c-step > .wide, .c-step > .a-casos, .c-step > .a-subestacion { max-width: 100%; }
.c-kicker { color: var(--teal-deep); font-family: var(--mono); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; margin: 0; text-transform: uppercase; }
.lesson h1 { color: var(--forest); font-size: clamp(1.9rem, 5vw, 2.9rem); letter-spacing: -0.03em; line-height: 1.1; margin: 0.4rem 0 1rem; }
.lesson h2 { color: var(--forest); font-size: clamp(1.35rem, 3vw, 1.75rem); letter-spacing: -0.02em; line-height: 1.25; margin: 3rem 0 0.8rem; }
.lesson h3 { color: var(--ink); font-size: 1.15rem; line-height: 1.35; margin: 2rem 0 0.5rem; }
.lesson h4 { font-size: 1rem; margin: 1.5rem 0 0.4rem; }
.lesson p, .lesson li { color: var(--ink); }
.lesson ul, .lesson ol { padding-left: 1.3rem; }
.lesson li + li { margin-top: 0.3rem; }
.c-lede { color: var(--muted) !important; font-size: 1.15rem; line-height: 1.6; }
.c-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0 0; }
.c-meta span { background: var(--paper-2); border-radius: 99px; color: var(--muted); font-size: 0.8rem; padding: 0.2rem 0.75rem; }
code, kbd, .num { font-family: var(--mono); font-size: 0.92em; }
code { background: var(--paper-2); border-radius: 4px; padding: 0.05em 0.35em; }
.term { border-bottom: 1px dotted var(--teal); color: inherit; text-decoration: none; }
.term:hover { color: var(--teal-deep); }
.term-pop {
  background: var(--forest); border-radius: 10px; box-shadow: 0 12px 30px rgba(0, 27, 20, 0.25); color: #fff;
  font-size: 0.85rem; line-height: 1.5; max-width: 20rem; padding: 0.75rem 0.9rem; pointer-events: none;
  position: absolute; z-index: 60;
}
.term-pop strong { color: var(--gold); display: block; font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }

/* ---------- Blocks ---------- */
.objectives { background: var(--paper-2); border-radius: var(--radius); margin-top: 2rem; padding: 1.25rem 1.5rem; }
.objectives h2 { font-size: 1rem !important; letter-spacing: 0.06em; margin: 0 0 0.5rem !important; text-transform: uppercase; }
.objectives ul { margin: 0; }

.formula {
  background: var(--paper); border: 1px solid var(--line); border-left: 4px solid var(--teal);
  border-radius: 10px; margin: 1.5rem 0; overflow-x: auto; padding: 1rem 1.25rem;
}
.formula math { font-size: 1.25rem; }
.formula-note { color: var(--muted) !important; font-size: 0.85rem; margin: 0.6rem 0 0; }

.worked { background: #f7fbfa; border: 1px dashed var(--teal); border-radius: 10px; margin: 1.5rem 0; padding: 1rem 1.25rem; }
.worked-title { color: var(--teal-deep) !important; font-family: var(--mono); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em; margin: 0 0 0.4rem; text-transform: uppercase; }
.worked p:last-child { margin-bottom: 0; }

.callout { border-radius: 10px; margin: 1.5rem 0; padding: 1rem 1.25rem; }
.callout p { margin: 0.35rem 0 0; }
.callout-title { font-size: 0.8rem; font-weight: 700 !important; letter-spacing: 0.06em; margin: 0 !important; text-transform: uppercase; }
.callout-tip { background: var(--tip-bg); }
.callout-tip .callout-title { color: var(--teal-deep); }
.callout-warn { background: var(--warn-bg); border-left: 4px solid var(--gold); }
.callout-warn .callout-title { color: #8a5a00; }
.callout-campo { background: var(--campo-bg); border-left: 4px solid var(--hot); }
.callout-campo .callout-title { color: #a8350c; }

.figure { margin: 2rem 0; }
.figure img { border-radius: var(--radius); }
.figure figcaption { color: var(--muted); font-size: 0.82rem; margin-top: 0.6rem; }

.table-wrap { margin: 1.5rem 0; overflow-x: auto; }
.data-table { border-collapse: collapse; font-size: 0.9rem; min-width: 100%; }
.data-table th, .data-table td { border-bottom: 1px solid var(--line); padding: 0.55rem 0.75rem; text-align: left; vertical-align: top; }
.data-table th { background: var(--paper-2); color: var(--forest); font-weight: 600; }
.data-table td.num, .data-table th.num { font-family: var(--mono); text-align: right; white-space: nowrap; }

.summary { border-top: 2px solid var(--forest); margin-top: 3rem; }

/* ---------- Lab container ---------- */
.lab {
  background: var(--forest-deep); border-radius: calc(var(--radius) + 4px); color: #e8f2ee;
  margin: 2.5rem 0; overflow: hidden;
}
.lab-head { padding: 1.25rem clamp(1rem, 3vw, 1.75rem) 0.25rem; }
.lab-head h3 { color: #fff; margin: 0.15rem 0 0.35rem; }
.lab-head p { color: #b9d2c9; margin: 0; max-width: 46rem; }
.lab-kicker { color: var(--gold) !important; font-family: var(--mono); font-size: 0.75rem !important; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }
.lab-body { padding: 1rem clamp(0.75rem, 3vw, 1.75rem) 1.5rem; }
.lab-controls { display: grid; gap: 0.9rem 1.25rem; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); margin-top: 1rem; }
.lab-controls label { color: #cfe2db; display: block; font-size: 0.82rem; line-height: 1.45; }
.lab-controls label > input, .lab-controls label > select, .lab-controls label > output { display: block; margin-top: 0.3rem; }
.lab-controls label > select, .lab-controls label > input[type="number"] { width: 100%; }
.lab-controls output, .readout { color: #fff; font-family: var(--mono); }
/* Texto claro dentro del laboratorio (el fondo es oscuro): vence a «.lesson p» sin tocar los widgets. */
.lesson .lab p, .lesson .lab li, .lesson .lab dd, .lesson .lab dt { color: #d6e6df; }
.lesson .lab .readout, .lesson .lab output { color: #fff; }
.lesson .lab .lab-kicker { color: var(--gold); }
.lab input[type="range"] { accent-color: var(--gold); width: 100%; }
.lab select { max-width: 100%; text-overflow: ellipsis; }
.lab select, .lab input[type="number"] {
  background: var(--forest-mid); border: 1px solid #2e6a58; border-radius: 6px; color: #fff; padding: 0.35rem 0.5rem;
}
.readout { background: rgba(0, 0, 0, 0.25); border-radius: 8px; font-size: 0.9rem; padding: 0.6rem 0.8rem; }
.lab .btn-lab {
  background: var(--gold); border: 0; border-radius: 8px; color: var(--brown); cursor: pointer; font-weight: 600; padding: 0.55rem 1rem;
}
.lab .btn-lab.ghost { background: transparent; border: 1px solid #4b8a77; color: #e8f2ee; }
.lab-done { align-items: center; color: var(--gold); display: none; font-size: 0.85rem; font-weight: 600; gap: 0.4rem; }
.lab.is-complete .lab-done { display: inline-flex; }
.lab-feedback { border-radius: 8px; font-size: 0.9rem; margin-top: 0.75rem; padding: 0.6rem 0.8rem; }
.lab-feedback.ok { background: rgba(36, 149, 151, 0.25); }
.lab-feedback.bad { background: rgba(226, 84, 28, 0.22); }

/* ---------- Quiz ---------- */
.quiz { border-top: 2px solid var(--forest); margin-top: 3rem; }
.quiz-intro { color: var(--muted) !important; }
.quiz-q { border: 1px solid var(--line); border-radius: var(--radius); margin: 1rem 0; padding: 1rem 1.15rem; }
.quiz-q legend { font-weight: 600; padding: 0 0.25rem; }
.quiz-q fieldset { border: 0; margin: 0; padding: 0; }
.quiz-q img { border-radius: 8px; margin: 0.5rem 0; max-height: 18rem; width: auto; }
.quiz-opt {
  align-items: flex-start; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; display: flex;
  gap: 0.6rem; margin-top: 0.5rem; padding: 0.55rem 0.75rem;
}
.quiz-opt:hover { border-color: var(--teal); }
.quiz-opt input { accent-color: var(--teal); margin-top: 0.35rem; }
.quiz-opt.is-right { background: #e3f3ef; border-color: var(--teal); }
.quiz-opt.is-wrong { background: #fdecea; border-color: var(--hot); }
.quiz-why { background: var(--paper-2); border-radius: 8px; font-size: 0.9rem; margin-top: 0.6rem; padding: 0.6rem 0.8rem; }
.quiz-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; }
.quiz-actions button {
  background: var(--forest); border: 0; border-radius: 8px; color: #fff; cursor: pointer; font-weight: 600; padding: 0.7rem 1.2rem;
}
.quiz-actions button.ghost { background: transparent; border: 1px solid var(--forest); color: var(--forest); }
.quiz-score { font-family: var(--mono); font-weight: 600; }
.quiz-score.pass { color: var(--teal-deep); }
.quiz-score.fail { color: #a8350c; }

/* ---------- Pager & footer ---------- */
.c-pager { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; margin-top: 4rem; }
.c-pager a {
  border: 1px solid var(--line); border-radius: var(--radius); color: var(--forest); display: block;
  padding: 0.9rem 1.1rem; text-decoration: none;
}
.c-pager a:hover { border-color: var(--teal); }
.c-pager small { color: var(--muted); display: block; font-size: 0.75rem; }
.c-pager .next { grid-column: 2; text-align: right; }
.c-footer { background: var(--forest-deep); color: #b9d2c9; font-size: 0.82rem; padding: 2rem 16px; text-align: center; }
.c-footer a { color: #fff; }
.c-footer-note { color: #8fb3a6; margin: 0.5rem auto 0; max-width: 40rem; }

/* ---------- Badge ---------- */
.c-badge {
  align-items: center; background: linear-gradient(135deg, var(--forest), var(--teal-deep)); border-radius: var(--radius);
  color: #fff; display: flex; gap: 1rem; margin: 2rem 0; padding: 1.25rem 1.5rem;
}
.c-badge strong { color: var(--gold); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
@media print {
  .c-header, .c-toc, .c-pager, .c-footer, .quiz, .c-appbar, .c-chips, .c-toc-btn { display: none !important; }
  .lab { background: #fff; color: #000; border: 1px solid #999; }
  .c-step { display: block !important; }
}

/* ---------- App guiada (móvil: un paso a la vez, barra inferior) ---------- */
.c-toc-btn {
  background: transparent; border: 1px solid var(--line); border-radius: 8px; color: var(--forest);
  cursor: pointer; display: none; font-size: 0.8rem; font-weight: 600; min-height: 2.5rem; padding: 0 0.7rem;
}
.c-chips {
  display: none; gap: 0.4rem; overflow-x: auto; padding: 0.45rem 16px 0.55rem; position: relative;
  scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.c-chips::-webkit-scrollbar { display: none; }
.c-chips-bar {
  background: var(--line); bottom: 0; height: 3px; left: 0; pointer-events: none; position: absolute; right: 0;
}
.c-chips-bar i {
  background: var(--gold); display: block; height: 100%; width: 0; transition: width 220ms var(--ease);
}
.c-chip {
  background: var(--paper); border: 1px solid var(--line); border-radius: 99px; color: var(--muted); cursor: pointer;
  flex: none; font-size: 0.75rem; max-width: 14rem; min-height: 2.25rem; overflow: hidden; padding: 0.25rem 0.7rem 0.25rem 0.4rem;
  text-align: left; text-overflow: ellipsis; white-space: nowrap;
}
.c-chip span { color: var(--teal-deep); font-family: var(--mono); font-weight: 600; margin-right: 0.35rem; }
.c-chip[aria-current="true"] { background: var(--forest); border-color: var(--forest); color: #fff; }
.c-chip[aria-current="true"] span { color: var(--gold); }
.c-appbar {
  background: rgba(255, 255, 255, 0.96); border-top: 1px solid var(--line); bottom: 0; display: none; gap: 0.6rem;
  left: 0; padding: 0.55rem max(12px, env(safe-area-inset-left)) calc(0.55rem + env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-right));
  position: sticky; right: 0; z-index: 40;
}
.c-appbar-btn {
  background: transparent; border: 1px solid var(--forest); border-radius: 10px; color: var(--forest); cursor: pointer;
  font-weight: 600; min-height: 2.75rem; min-width: 4.5rem; padding: 0 0.85rem;
}
.c-appbar-btn:disabled { opacity: 0.4; }
.c-appbar-next { background: var(--forest); color: #fff; }
.c-appbar-status { color: var(--muted); flex: 1; font-family: var(--mono); font-size: 0.82rem; margin: 0; text-align: center; }
.c-steps { min-width: 0; }
.c-step { min-width: 0; }

@media (max-width: 47.99rem) {
  :root { --c-header: 3.35rem; }
  html { scroll-padding-top: calc(var(--c-header) + 3.2rem); }
  .c-header {
    padding-left: max(0.75rem, env(safe-area-inset-left));
    padding-right: max(0.75rem, env(safe-area-inset-right));
  }
  .c-app .c-blog { display: none; }
  .c-app .c-toc-btn { display: inline-flex; align-items: center; margin-left: auto; }
  .c-app .c-progress { max-width: none; }
  .c-app .c-layout {
    display: block;
    padding: 0.65rem max(12px, env(safe-area-inset-left)) calc(5.6rem + env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-right));
  }
  .c-app .c-chips {
    display: flex; position: sticky; top: var(--c-header); z-index: 40;
    background: rgba(255,255,255,0.96); border-bottom: 1px solid var(--line);
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }
  .c-app .c-appbar { display: flex; align-items: center; position: fixed; }
  .c-app .c-pager { display: none; }
  .c-app .c-footer { padding-bottom: 1.25rem; font-size: 0.75rem; }
  .c-app .c-steps .c-step { display: none; }
  .c-app .c-steps .c-step.is-on { display: block; animation: c-step-in 280ms var(--ease); }
  .c-app .c-step h2:first-child, .c-app .c-step .c-kicker { margin-top: 0.15rem; }
  .c-app .c-toc.c-sheet {
    background: var(--paper); border-right: 1px solid var(--line); bottom: 0; display: block; left: 0;
    max-height: none; overflow: auto; padding: 1.25rem 1rem 5rem; position: fixed; top: var(--c-header);
    transform: translateX(-105%); transition: transform 220ms var(--ease); width: min(20rem, 86vw); z-index: 45;
  }
  .c-app.is-toc .c-toc.c-sheet { transform: none; }
  .c-app.is-toc::after {
    background: rgba(0, 27, 20, 0.35); content: ""; inset: var(--c-header) 0 0; position: fixed; z-index: 44;
  }
  .lesson h1 { font-size: 1.55rem; margin-bottom: 0.7rem; }
  .lesson h2 { margin-top: 1.4rem; }
  .c-lede { font-size: 1.02rem; }
  .lab { margin: 1.1rem 0; }
  .lab-body { padding: 0.75rem 0.7rem 1.1rem; }
  .quiz-opt { min-height: 2.75rem; padding: 0.7rem 0.8rem; }
  .quiz-actions button { min-height: 2.75rem; width: 100%; }
  .c-meta { gap: 0.35rem; }
  .c-meta span { font-size: 0.75rem; }
  .table-wrap { margin-inline: -4px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  math { max-width: 100%; overflow-x: auto; }
  .irc { padding: 0.4rem; }
  .figure svg, .a-diagram svg, .f-diagram svg { height: auto; }
}
@media (max-width: 22.5rem) {
  .c-chip { max-width: 11rem; }
  .c-appbar-btn { min-width: 3.8rem; padding: 0 0.55rem; font-size: 0.88rem; }
}
@keyframes c-step-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .c-app .c-toc.c-sheet { transition: none; }
  .c-app .c-steps .c-step.is-on { animation: none; }
  .c-chips-bar i { transition: none; }
}

/* ---------- Navegación del curso (módulos + secciones) ---------- */
.sr { border: 0; clip: rect(0 0 0 0); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; white-space: nowrap; width: 1px; }
.c-crumb { color: var(--muted); display: none; font-size: 0.82rem; white-space: nowrap; }
.c-crumb strong { color: var(--forest); font-family: var(--mono); }
.c-crumb::before { color: var(--line); content: "›"; margin-right: 0.55rem; }
@media (min-width: 48rem) { .c-crumb { display: inline; } }

.cn-head { background: var(--paper); border-bottom: 1px solid var(--line); margin-bottom: 0.7rem; padding: 0 0 0.85rem; position: sticky; top: 0; z-index: 2; }
.cn-home { color: var(--forest); display: block; font-size: 0.95rem; font-weight: 700; text-decoration: none; }
.cn-count { color: var(--muted); font-size: 0.78rem; margin: 0.2rem 0 0.55rem; }
.cn-count strong { color: var(--forest); font-family: var(--mono); font-size: 1.05rem; }
.cn-total { background: var(--paper-2); border-radius: 99px; height: 5px; overflow: hidden; }
.cn-total i { background: linear-gradient(90deg, var(--teal), var(--gold)); display: block; height: 100%; transition: width 300ms var(--ease); }
.cn-mods, .cn-res, .cn-secs { list-style: none; margin: 0; padding: 0; }
.cn-link {
  align-items: flex-start; border-radius: 9px; color: var(--muted); display: flex; gap: 0.6rem; line-height: 1.3;
  margin: 0 -0.5rem; padding: 0.4rem 0.5rem; text-decoration: none;
}
.cn-link:hover { background: var(--paper-2); color: var(--forest); }
.cn-t { display: block; min-width: 0; }
.cn-t small { color: var(--muted); display: block; font-family: var(--mono); font-size: 0.68rem; margin-top: 0.1rem; opacity: 0.9; }
.cn-ico {
  background: radial-gradient(farthest-side, var(--paper) 72%, transparent 74%), conic-gradient(var(--teal) calc(var(--p, 0) * 1%), var(--line) 0);
  border-radius: 50%; color: var(--muted); display: grid; flex: none; font-family: var(--mono); font-size: 0.68rem;
  height: 1.6rem; place-items: center; width: 1.6rem;
}
.cn-ico b { font-weight: 600; }
.cn-ico-doing { color: var(--forest); }
.cn-ico-done { background: var(--teal); color: #fff; font-size: 0.82rem; }
.cn-mod.is-done .cn-t { color: var(--forest); }
.cn-mod.is-current > .cn-link, .cn-res-i.is-current > .cn-link { background: var(--forest); color: #fff; font-weight: 600; }
.cn-mod.is-current > .cn-link:hover { background: var(--forest-mid); }
.cn-mod.is-current .cn-t small { color: #b9d2c9; font-weight: 400; }
.cn-mod.is-current .cn-ico { background: radial-gradient(farthest-side, var(--forest) 72%, transparent 74%), conic-gradient(var(--gold) calc(var(--p, 0) * 1%), rgba(255, 255, 255, 0.28) 0); color: var(--gold); }
.cn-mod.is-current .cn-ico-done { background: var(--gold); color: var(--brown); }
.cn-secs { border-left: 2px solid var(--line); margin: 0.35rem 0 0.7rem 0.78rem; }
.cn-secs a {
  border-left: 2px solid transparent; color: var(--muted); display: block; font-size: 0.8rem; line-height: 1.35;
  margin-left: -2px; padding: 0.28rem 0.4rem 0.28rem 0.8rem; text-decoration: none;
}
.cn-secs a:hover { color: var(--forest); }
.cn-secs a[aria-current="true"] { border-left-color: var(--gold); color: var(--forest); font-weight: 600; }
.cn-group { color: var(--muted); font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; margin: 1.1rem 0 0.3rem; text-transform: uppercase; }
.cn-link-res { padding-left: 0.5rem; }
.cn-foot { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.72rem; line-height: 1.5; margin: 1.1rem 0 0; padding-top: 0.8rem; }
.cn-reset { background: none; border: 0; color: var(--teal-deep); cursor: pointer; font-size: inherit; padding: 0; text-decoration: underline; }

.c-resume {
  align-items: center; background: var(--forest); border-radius: 12px; bottom: 1.25rem; box-shadow: 0 14px 40px rgba(0, 27, 20, 0.35);
  color: #fff; display: flex; font-size: 0.85rem; gap: 0.7rem; left: 1.25rem; max-width: calc(100vw - 2.5rem); padding: 0.7rem 0.9rem;
  position: fixed; z-index: 70;
}
.c-resume strong { color: var(--gold); font-weight: 600; }
.c-resume button { background: var(--gold); border: 0; border-radius: 8px; color: var(--brown); cursor: pointer; font-weight: 600; padding: 0.4rem 0.8rem; }
.c-resume button[data-act="x"] { background: transparent; color: #b9d2c9; padding: 0.2rem 0.45rem; }
@media (max-width: 47.99rem) {
  .c-resume { bottom: calc(5.2rem + env(safe-area-inset-bottom, 0px)); left: 0.75rem; max-width: none; right: 0.75rem; }
}
@media (prefers-reduced-motion: reduce) { .cn-total i { transition: none; } }

.quiz-next {
  background: var(--gold); border-radius: 8px; color: var(--brown); font-weight: 600; padding: 0.7rem 1.1rem; text-decoration: none;
}
.quiz-next:hover { background: var(--gold-hover); color: var(--brown); }
@media (max-width: 47.99rem) { .quiz-next { text-align: center; width: 100%; } }

/* ---------- Puntos de control (mini evaluación al final de cada sección) ---------- */
.c-check { background: var(--paper-2); border-left: 4px solid var(--teal); border-radius: var(--radius); margin: 2.5rem 0 1rem; padding: 1.1rem 1.25rem 1.25rem; }
.c-check-k { color: var(--teal-deep); font-family: var(--mono); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; margin: 0 0 0.35rem; text-transform: uppercase; }
.c-check-intro { color: var(--muted); font-size: 0.92rem; margin: 0 0 0.5rem; }
.c-check .quiz-q { background: #fff; }
.c-check.is-passed { border-left-color: var(--teal-deep); padding-bottom: 1rem; }
.c-check-ok { align-items: center; color: var(--teal-deep); display: flex; flex-wrap: wrap; font-weight: 600; gap: 0.75rem; margin: 0; }
.c-check-again { background: transparent; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); cursor: pointer; font: inherit; font-size: 0.82rem; font-weight: 500; padding: 0.25rem 0.75rem; }
.c-check-again:hover { border-color: var(--teal); color: var(--teal-deep); }
.c-chip.is-checked span::after { color: var(--teal-deep); content: " ✓"; }
.c-chip.is-checked[aria-current="true"] span::after { color: var(--gold); }
@media print { .c-check { display: none !important; } }

/* ---------- En la práctica: Adqueo CMMS y servicios de Tecapa dentro de la lección ---------- */
.figure-practica { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 0.75rem; }
.figure-practica img { border: 1px solid var(--line); display: block; height: auto; width: 100%; }
.figure-practica figcaption { font-size: 0.86rem; line-height: 1.5; padding: 0.15rem 0.25rem 0; }
.fp-k { color: var(--teal-deep); display: block; font-family: var(--mono); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; margin-bottom: 0.2rem; text-transform: uppercase; }
.callout-tecapa { background: var(--paper-2); border-left: 4px solid var(--teal); }
.callout-tecapa .callout-title { color: var(--teal-deep); }

/* ---------- Intermedios: pantalla breve entre módulos ---------- */
.c-inter { background: #fff; border: 0; border-radius: calc(var(--radius) + 6px); box-shadow: 0 30px 80px rgba(0, 27, 20, 0.35); color: var(--ink);
  max-height: calc(100dvh - 2rem); max-width: min(34rem, calc(100vw - 2rem)); overflow: auto; padding: 0; }
.c-inter::backdrop { background: rgba(0, 36, 25, 0.72); }
.c-inter img { aspect-ratio: 16 / 8; display: block; max-height: 30vh; object-fit: cover; width: 100%; }
.c-inter-body { padding: 1.25rem 1.5rem 1.5rem; }
.c-inter-k { color: var(--teal-deep); font-family: var(--mono); font-size: 0.74rem; font-weight: 600; letter-spacing: 0.12em; margin: 0 0 0.4rem; text-transform: uppercase; }
.c-inter h2 { color: var(--forest); font-size: 1.45rem; letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 0.6rem; }
.c-inter-body > p { line-height: 1.55; margin: 0 0 1rem; }
.c-inter-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1.1rem; }
.c-inter-cta { color: var(--forest); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.c-inter-alt { color: var(--muted); font-weight: 600; }
.c-inter-go { background: var(--gold); border: 0; border-radius: 8px; color: var(--brown); cursor: pointer; font: inherit; font-weight: 600; margin-top: 0.25rem; padding: 0.75rem 1.2rem; width: 100%; }
.c-inter-go:hover { background: var(--gold-hover); }
@media (prefers-reduced-motion: no-preference) { .c-inter[open] { animation: c-inter-in 0.25s ease-out; } }
@keyframes c-inter-in { from { opacity: 0; transform: translateY(12px); } }
@media print { .c-inter { display: none !important; } }