/* =====================================================================
   Spottune Colombia — /assets/css/aprende.css
   Aprende layer: hub (/aprende/) + long-form articles (/aprende/<slug>.html)
   Loads after tokens.css / base.css / components.css. Every rule is scoped
   to .page-aprende / .aprende-*; colours and type come from tokens
   (var(--st-*)). Global chrome (header, footer, .btn*, .card, .pill,
   .eyebrow, .statement, .crumbs) is NOT restyled here.
   ===================================================================== */

.page-aprende{
  --ap-col:720px;                              /* reading column */
  --ap-toc:240px;                              /* right sidebar (≥1100px) */
  --ap-gap:64px;
  --ap-head:calc(var(--header-h,72px) + 24px); /* sticky header offset */
}
.aprende-article [id],.aprende-hub [id]{scroll-margin-top:var(--ap-head)}

/* ---------------------------------------------------------------- reading progress (injected by aprende.js) */
.aprende-progress{position:fixed;top:var(--header-h,72px);left:0;right:0;height:2px;z-index:58;pointer-events:none}
.aprende-progress span{display:block;height:100%;width:100%;background:var(--st-teal);transform-origin:0 50%;transform:scaleX(0);will-change:transform}

/* ---------------------------------------------------------------- article shell */
.aprende-article{max-width:calc(var(--ap-col) + 48px);margin:0 auto;padding:clamp(28px,4vw,56px) 24px clamp(64px,8vw,112px)}
.aprende-article>*{min-width:0}
.aprende-article .crumbs{margin-bottom:28px}

.aprende-head{padding-bottom:28px;border-bottom:1px solid var(--st-line);margin-bottom:32px}
.aprende-head .eyebrow{margin:0 0 14px}
.aprende-head h1{font-size:clamp(32px,4.4vw,48px);line-height:1.1;font-weight:var(--w-bold);letter-spacing:-.015em;margin:0 0 18px;max-width:22ch;color:var(--st-black)}
.aprende-head .lead{font-size:19px;line-height:1.55;font-weight:var(--w-light);margin:0 0 18px;max-width:60ch}
.aprende-context{margin:-6px 0 18px;font-size:15px;line-height:1.5;font-weight:var(--w-regular);color:var(--st-black)}
.aprende-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 0;margin:0;font-size:var(--fs-caption);font-weight:var(--w-light);line-height:1.5;color:var(--st-gray-text)}
.aprende-meta>*+*::before{content:"·";margin:0 10px;color:var(--st-gray)}

/* figure (one per article, reference installation in Europe) */
.aprende-figure{margin:0 0 40px}
.aprende-figure img{display:block;width:100%;height:auto;border-radius:var(--r);background:var(--st-cream)}
.aprende-figure figcaption{margin-top:10px;font-size:var(--fs-caption);font-weight:var(--w-light);line-height:1.5;color:var(--st-gray-text);max-width:80ch}

/* layout: body + toc */
.aprende-layout{display:block}
.aprende-toc{display:none}
@media (min-width:1100px){
  .aprende-article{max-width:calc(var(--ap-col) + var(--ap-toc) + var(--ap-gap) + 48px)}
  .aprende-head{max-width:var(--ap-col)}
  .aprende-layout{display:grid;grid-template-columns:minmax(0,var(--ap-col)) var(--ap-toc);column-gap:var(--ap-gap);align-items:start}
  .aprende-toc{display:block;position:sticky;top:var(--ap-head);max-height:calc(100vh - var(--ap-head) - 24px);overflow:auto;padding-top:4px;scrollbar-width:thin}
}

/* ---------------------------------------------------------------- body typography (calm editorial) */
.aprende-body{font-size:17px;line-height:1.7;font-weight:var(--w-light);color:var(--st-black)}
.aprende-body p{margin:0 0 1.25em}
.aprende-body>h2{font-size:28px;line-height:1.2;font-weight:var(--w-bold);letter-spacing:-.015em;margin:48px 0 18px;padding-top:26px;border-top:1px solid var(--st-line);color:var(--st-black)}
.aprende-body>h2:first-child,.aprende-body>.aprende-summary+h2{margin-top:0;padding-top:0;border-top:0}
.aprende-body h3{font-size:19px;line-height:1.3;font-weight:var(--w-medium);margin:28px 0 10px}
.aprende-body ul,.aprende-body ol{margin:0 0 1.4em;padding-left:1.3em}
.aprende-body li{margin:0 0 .55em;padding-left:.2em}
.aprende-body li::marker{color:var(--st-teal);font-weight:var(--w-medium)}
.aprende-body strong,.aprende-body b{font-weight:var(--w-medium)}
.aprende-body a:not(.btn):not(.btn-wa):not(.btn-secondary){color:var(--st-teal);text-decoration:none;border-bottom:1px solid var(--st-teal-a12);transition:border-color var(--dur) var(--ease)}
.aprende-body a:not(.btn):not(.btn-wa):not(.btn-secondary):hover{border-bottom-color:currentColor;text-decoration:none}

/* "Lo esencial" summary box */
.aprende-summary{background:var(--st-cream);border:1px solid var(--st-line);border-radius:var(--r);padding:22px 26px 20px;margin:0 0 40px}
.aprende-summary-title{display:block;margin:0 0 12px;font-size:var(--fs-eyebrow);font-weight:var(--w-medium);letter-spacing:var(--ls-eyebrow);text-transform:uppercase;line-height:1.4;color:var(--st-gray-text)}
.aprende-summary ul{list-style:none;margin:0;padding:0}
.aprende-summary li{position:relative;margin:0 0 10px;padding-left:24px;font-size:16px;line-height:1.55}
.aprende-summary li:last-child{margin-bottom:0}
.aprende-summary li::before{content:"";position:absolute;left:0;top:.78em;width:12px;height:1px;background:var(--st-teal)}

/* pull-quote: statement band (light + bold) */
.aprende-quote{margin:44px 0;padding:clamp(28px,4vw,40px) clamp(24px,4vw,40px);background:var(--st-cream);border-radius:var(--r)}
.aprende-quote .statement{font-size:clamp(26px,3.2vw,38px);line-height:1.12;margin:0}
.aprende-quote .statement .bold{margin-top:.12em}

/* related links */
.aprende-related{margin-top:56px;padding-top:32px;border-top:1px solid var(--st-line)}
.aprende-related h2,.aprende-related h3{font-size:var(--fs-eyebrow);font-weight:var(--w-medium);letter-spacing:var(--ls-eyebrow);text-transform:uppercase;line-height:1.4;color:var(--st-gray-text);margin:0 0 14px}
.aprende-related h3{margin-top:28px}
.aprende-related ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
@media (min-width:700px){.aprende-related ul{grid-template-columns:1fr 1fr}}
.aprende-related li{margin:0;padding:0}
.aprende-related a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;border:1px solid var(--st-line);border-radius:var(--r-sm);background:var(--st-white);color:var(--st-black);text-decoration:none;font-size:15px;font-weight:var(--w-regular);line-height:1.4;transition:transform .25s var(--ease),border-color .25s var(--ease)}
.aprende-related a::after{content:"→";flex:none;font-weight:var(--w-light);color:var(--st-gray-text);transition:transform .25s var(--ease),color .25s var(--ease)}
.aprende-related a:hover{transform:translateY(-2px);border-color:var(--st-gray);text-decoration:none}
.aprende-related a:hover::after{transform:translateX(3px);color:var(--st-black)}

/* closing CTA */
.aprende-foot{margin-top:40px;padding:clamp(26px,4vw,40px);background:var(--st-cream);border:1px solid var(--st-line);border-radius:var(--r)}
.aprende-foot .eyebrow{margin:0 0 10px}
.aprende-foot h2{font-size:clamp(24px,3vw,32px);line-height:1.15;font-weight:var(--w-bold);margin:0 0 10px}
.aprende-foot p{font-size:16px;line-height:1.6;max-width:60ch;margin:0 0 22px}
.aprende-foot .btn-row{gap:12px}
.aprende-source{margin:28px 0 0;font-size:var(--fs-caption);font-weight:var(--w-light);line-height:1.5;color:var(--st-gray-text)}

/* table of contents (injected by aprende.js, ≥1100px) */
.aprende-toc .eyebrow{margin:0 0 12px}
.aprende-toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--st-line)}
.aprende-toc li{margin:0;padding:0}
.aprende-toc a{display:block;padding:7px 0 7px 14px;margin-left:-1px;border-left:1px solid transparent;font-size:13px;line-height:1.45;font-weight:var(--w-light);color:var(--st-gray-text);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease)}
.aprende-toc a:hover{color:var(--st-black);text-decoration:none}
.aprende-toc a.is-active{color:var(--st-black);font-weight:var(--w-medium);border-left-color:var(--st-teal)}
.aprende-toc a:focus-visible{outline:2px solid var(--st-teal);outline-offset:2px;border-radius:4px}

/* ---------------------------------------------------------------- hub */
.aprende-hub-hero{background:var(--st-cream);padding:clamp(36px,5vw,64px) 0 clamp(40px,5vw,64px)}
.aprende-hub-hero .crumbs{margin-bottom:24px}
.aprende-hub-hero .eyebrow{margin:0 0 14px}
.aprende-hub-hero .statement{margin:0 0 22px;font-size:clamp(36px,4.8vw,64px);line-height:1.05}
.aprende-hub-hero .lead{max-width:60ch;margin:0}

.aprende-hub-grid{padding:clamp(48px,6vw,80px) 0}
.aprende-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:760px){.aprende-cards{grid-template-columns:1fr}}
.aprende-card{display:flex;flex-direction:column;gap:12px;min-height:100%;color:var(--st-black);text-decoration:none}
.aprende-card:hover{text-decoration:none}
.aprende-card .eyebrow{margin:0}
.aprende-card h2{font-size:clamp(20px,2vw,24px);line-height:1.25;font-weight:var(--w-medium);letter-spacing:-.01em;margin:0;text-wrap:balance}
.aprende-card p{flex:1;margin:0;font-size:15px;line-height:1.55;font-weight:var(--w-light);color:var(--st-gray-text)}
.aprende-card-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:8px;padding-top:14px;border-top:1px solid var(--st-line);font-size:var(--fs-caption);font-weight:var(--w-light);color:var(--st-gray-text)}
.aprende-card-read{font-size:14px;font-weight:var(--w-medium);color:var(--st-black);white-space:nowrap}
.aprende-card-read::after{content:"→";display:inline-block;margin-left:6px;font-weight:var(--w-light);transition:transform .25s var(--ease)}
.aprende-card:hover .aprende-card-read::after{transform:translateX(4px)}

.aprende-hub-cta{padding:clamp(56px,7vw,96px) 0}
.aprende-hub-cta .eyebrow{margin:0 0 14px}
.aprende-hub-cta .statement{margin:0 0 20px;font-size:clamp(30px,4vw,48px);line-height:1.08}
.aprende-hub-cta .lead{max-width:58ch;margin:0 0 28px}
.aprende-hub-cta .btn-row{gap:12px 16px}

/* ---------------------------------------------------------------- motion */
@media (prefers-reduced-motion:reduce){
  .aprende-related a,.aprende-related a::after,.aprende-toc a,.aprende-card-read::after,.aprende-body a{transition:none}
  .aprende-related a:hover{transform:none}
  .aprende-card:hover .aprende-card-read::after{transform:none}
}

/* ---------------------------------------------------------------- print (the distributor sends the article as PDF) */
@media print{
  .aprende-progress,.aprende-toc,.aprende-foot .btn-row,.aprende-hub-cta,.page-aprende .lang-toggle,#cursor-glow,#fx-bg{display:none !important}
  .page-aprende{color:#000;background:#fff}
  .aprende-article,.aprende-layout{display:block;max-width:100%;padding:0}
  .aprende-body,.aprende-head .lead{font-size:12pt;line-height:1.55}
  .aprende-body>h2{break-after:avoid}
  .aprende-body a:not(.btn)::after{content:" (spottune.com.co" attr(href) ")";font-size:10px;font-weight:300;color:#555}
  .aprende-body a[href^="http"]::after{content:" (" attr(href) ")"}
  .aprende-related a::after{content:none !important}
  .aprende-quote,.aprende-summary,.aprende-foot,.aprende-figure,.aprende-related li{break-inside:avoid;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .aprende-foot::after{content:"WhatsApp +57 301 794 9887 · comercial@audiocity.com.co · spottune.com.co/aprende";display:block;font-size:11px;font-weight:300;color:#555}
}