.series-nav{display:flex;gap:22px;overflow-x:auto;padding:15px clamp(24px,5vw,76px);border-bottom:1px solid var(--line);background:#0b0a08;scrollbar-width:thin}
.series-nav a{flex:none;color:var(--cream);font-size:13px;font-weight:800;text-decoration:none;padding:6px 0}
.series-nav a[aria-current],.series-nav a:hover{color:var(--yellow)}
.series-nav a:focus-visible,.ia-button:focus-visible,.ia-text-link:focus-visible{outline:2px solid var(--yellow);outline-offset:5px}
.ia-intro{padding:64px 0 38px;max-width:920px}.ia-intro h1{font-size:clamp(40px,6vw,76px);font-weight:500;letter-spacing:-.055em;line-height:1.08;margin:12px 0 24px}.ia-intro>p:last-child{max-width:750px;color:#d5d0c7;font-size:clamp(17px,2vw,21px)}
.ia-kicker{color:var(--yellow);font-size:12px;letter-spacing:.12em;font-weight:800;text-transform:uppercase}.ia-meta{color:var(--muted);font-size:13px;line-height:1.7}.ia-button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:12px 22px;background:var(--yellow);color:#080808;border-radius:9px;text-decoration:none;font-weight:800;font-size:14px}.ia-button:hover{background:#ffdb6a}.ia-text-link{color:var(--yellow);text-underline-offset:5px}
.ia-feature{display:grid;grid-template-columns:minmax(200px,.7fr) minmax(0,1.3fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:linear-gradient(130deg,#201a10,#100e0a);align-items:center;gap:48px;padding:32px}.ia-feature-image{display:block;max-height:570px;max-width:100%;width:auto;height:auto;margin:auto;border-radius:10px}.ia-feature h2{font-size:clamp(28px,3.5vw,46px);font-weight:600;letter-spacing:-.04em;line-height:1.16;margin:16px 0 22px}.ia-feature p{color:#d5d0c7}.ia-feature .ia-kicker{color:var(--yellow)}.ia-feature .ia-meta{font-size:13px}.ia-feature .ia-button{margin-top:16px}
.ia-archive{padding:64px 0}.ia-archive h2,.ia-about h2{font-size:clamp(27px,3vw,38px);font-weight:500;letter-spacing:-.04em;margin:0 0 24px}.ia-episode-card{display:grid;grid-template-columns:90px minmax(0,1fr) auto;align-items:center;gap:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0}.ia-episode-card img{width:90px;height:160px;object-fit:contain}.ia-episode-card h3{font-size:23px;line-height:1.3;margin:8px 0}.ia-episode-card p{color:var(--muted);font-size:15px;max-width:640px}.ia-episode-card .ia-meta{margin:4px 0}
.ia-about{max-width:840px;padding:0 0 40px}.ia-about p{color:#d5d0c7;line-height:1.8}.ia-rule{font-size:clamp(26px,4vw,44px);font-weight:600;letter-spacing:-.04em;line-height:1.35;padding:32px 0 32px 24px;border-left:4px solid var(--yellow);margin:0 0 70px;max-width:900px}.ia-rule em{font-style:normal;color:var(--yellow)}
.ia-article-heading{max-width:1000px}.ia-breadcrumb{font-size:14px;padding-top:30px}.ia-article-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(220px,.7fr);gap:60px;align-items:start;margin:0 0 64px}.ia-cover{grid-column:2;grid-row:1;margin:0;position:sticky;top:112px}.ia-cover img{display:block;width:100%;height:auto;border-radius:12px}.ia-cover figcaption{font-size:12px;color:var(--muted);margin-top:10px}.ia-prose{grid-column:1;grid-row:1;max-width:760px}.ia-prose p,.ia-prose li{font-size:18px;line-height:1.85;color:#dfd9cf}.ia-prose p{margin:0 0 26px}.ia-prose h2{font-size:28px;line-height:1.3;letter-spacing:-.025em;margin:36px 0 20px}.ia-prose h2:first-child{margin-top:0}.ia-prose ol{padding-left:25px}.ia-prose li{padding-left:8px;margin:12px 0}.ia-example{border-left:3px solid var(--orange);padding:5px 0 5px 22px;margin:30px 0}.ia-example .ia-kicker{color:var(--orange);font-size:12px;margin-bottom:12px}.ia-example p:last-child{margin-bottom:0}.ia-actions{background:#1b1810;border:1px solid var(--line);border-radius:14px;padding:26px;margin:36px 0}.ia-actions h2{margin:0 0 18px}.ia-actions ul{padding-left:20px;margin:0}.ia-end{display:grid;grid-template-columns:minmax(0,1fr) 180px;align-items:center;gap:30px;border-top:1px solid var(--line);padding-top:30px}.ia-end blockquote{margin:0;font-size:25px;line-height:1.55}.ia-end img{width:180px;height:auto;border-radius:10px}.ia-author{color:var(--yellow)!important;font-size:14px!important;font-weight:800;margin-top:25px!important}.ia-chapter-nav{display:flex;gap:20px;justify-content:space-between;flex-wrap:wrap;border-top:1px solid var(--line);padding:26px 0 64px;font-size:14px}.ia-chapter-nav span{color:var(--muted)}
.ia-home-promo{margin-top:54px;display:grid;grid-template-columns:120px minmax(0,1fr) auto;align-items:center;gap:28px;padding:26px;border:1px solid rgba(242,194,48,.5);border-radius:18px;background:linear-gradient(110deg,#221b10,#100e0b)}.ia-home-promo img{width:120px;height:auto;border-radius:8px}.ia-home-promo h2{font-size:clamp(24px,3vw,34px);line-height:1.2;letter-spacing:-.04em;margin:8px 0 12px}.ia-home-promo p{font-size:15px;color:var(--muted);max-width:600px;margin:0}.ia-home-promo .ia-kicker{color:var(--yellow);font-size:12px;margin-bottom:10px}
@media(min-width:1001px){.series-nav{display:none}}
@media(max-width:760px){.ia-intro{padding-top:40px}.ia-feature{grid-template-columns:1fr;gap:24px;padding:24px}.ia-feature-image{max-height:420px}.ia-feature h2{font-size:30px}.ia-episode-card{grid-template-columns:72px minmax(0,1fr);gap:18px}.ia-episode-card img{width:72px;height:128px}.ia-episode-card>.ia-text-link{grid-column:2}.ia-episode-card h3{font-size:21px}.ia-article-layout{display:flex;flex-direction:column;gap:32px}.ia-cover{position:static;max-width:280px;margin:0 auto}.ia-prose{max-width:100%}.ia-prose p,.ia-prose li{font-size:16px}.ia-end{grid-template-columns:1fr}.ia-end img{width:170px;margin:auto}.ia-end blockquote{font-size:23px}.ia-home-promo{grid-template-columns:84px minmax(0,1fr);padding:20px;gap:18px}.ia-home-promo img{width:84px}.ia-home-promo>.ia-button{grid-column:1/-1}.ia-rule{padding-left:18px}}
.ia-intro>.ia-meta{font-size:13px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Short del capítulo: formato vertical y acceso directo a YouTube. */
.ia-video{width:100%;max-width:340px;justify-self:center}
.ia-video-frame{position:relative;width:100%;aspect-ratio:9/16;background:#050505;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ia-video-frame iframe,.ia-video-frame video{position:absolute;inset:0;width:100%;height:100%;border:0}
.ia-youtube-link,.ia-video-link{display:flex;margin-top:16px}
@media(max-width:760px){.ia-video{max-width:315px}}

.ia-video-frame video{display:block;object-fit:contain}