/* =====================================================================
   INSIGHTS & PERSPECTIVES — capa editorial sobre el sistema visual del sitio.
   Usa los mismos tokens (colores, tipografías, radios, sombras) de site.css.
   ===================================================================== */
html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%;display:block}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
#mainNav a[aria-current="page"]{color:var(--blue)}

/* ---------- cabecera editorial ---------- */
.ins-hero{padding-block:64px 36px;position:relative;border-bottom:1px solid var(--line)}
.ins-hero::after{content:"";position:absolute;right:max(20px,env(safe-area-inset-right,0px));top:48px;width:180px;height:120px;background-image:radial-gradient(var(--sky-2) 2px,transparent 2.5px);background-size:16px 16px;pointer-events:none}
.ins-hero .kicker{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.ins-hero h1{font-size:clamp(40px,6.4vw,78px);font-weight:800;letter-spacing:-.03em;line-height:1.02;margin:18px 0 14px;max-width:14ch}
.ins-hero h1 .amp{color:var(--coral)}
.ins-hero .deck{font-family:var(--display);font-weight:500;font-size:clamp(19px,2.2vw,24px);color:var(--muted);max-width:40ch;line-height:1.4}
.issue{font:700 12px var(--tech);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding:5px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}

/* ---------- barra de filtros ---------- */
.ins-tools{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-block:26px 8px}
.chips-row{display:flex;gap:8px;flex-wrap:wrap;min-width:0}
.cat-chip{border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font:600 13.5px var(--display);padding:8px 15px;border-radius:999px;cursor:pointer;transition:background .15s,border-color .15s,color .15s;white-space:nowrap}
.cat-chip:hover{border-color:var(--sky-2);background:var(--sky)}
.cat-chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.ins-search{position:relative;flex:0 1 300px;min-width:220px}
.ins-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted);pointer-events:none}
.ins-search input{width:100%;border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:11px 16px 11px 42px;font:500 14.5px var(--body);color:var(--ink)}
.ins-search input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px var(--sky)}

/* ---------- metadatos comunes ---------- */
.cats{display:flex;gap:6px;flex-wrap:wrap}
.cat{font:700 11px var(--tech);letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
.cat + .cat::before{content:"·";margin-right:6px;color:var(--muted)}
a.cat:hover{text-decoration:underline}
.byline{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);flex-wrap:wrap}
.byline b{color:var(--ink);font-family:var(--display);font-weight:600}
.byline .sep{opacity:.5}
.avatar{width:36px;height:36px;border-radius:50%;flex:none;object-fit:cover;background:var(--sky);color:var(--blue);display:grid;place-items:center;font:700 13px var(--display);letter-spacing:.02em}
.avatar.lg{width:96px;height:96px;font-size:30px}
.sample-tag{font:700 11px var(--tech);letter-spacing:.12em;text-transform:uppercase;color:var(--warn);background:var(--warn-soft);padding:4px 10px;border-radius:999px}
.read-more{display:inline-flex;align-items:center;gap:8px;font:600 14.5px var(--display);color:var(--blue)}
.read-more .arr{transition:transform .2s}
a:hover .read-more .arr{transform:translateX(3px)}

/* ---------- artículo destacado ---------- */
.featured{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:0;background:var(--surface);border-radius:28px;box-shadow:var(--shadow);overflow:hidden;margin-top:22px;transition:box-shadow .2s}
.featured:hover{box-shadow:0 18px 44px rgba(20,30,90,.12)}
.featured .media{min-height:340px;height:100%;overflow:hidden;background:var(--sky)}
.featured .media picture{display:block;height:100%}
.featured .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.featured:hover .media img{transform:scale(1.025)}
.featured .body{padding:36px;display:flex;flex-direction:column;gap:16px;justify-content:center;min-width:0}
.featured .label{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.featured .label .eyebrow{font-size:12px}
.featured h2{font-size:clamp(24px,2.4vw,32px);font-weight:800;letter-spacing:-.015em;line-height:1.15}
.featured p{font-size:16.5px;line-height:1.65}

/* ---------- cuadrícula ---------- */
.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:52px 0 20px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.section-title h2{font-size:22px;font-weight:700}
.section-title span{font-size:13.5px;color:var(--muted)}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post{background:var(--surface);border-radius:22px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;min-width:0}
.post:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(20,30,90,.11)}
.post .media{aspect-ratio:16/9;overflow:hidden;background:var(--sky)}
.post .media img{width:100%;height:100%;object-fit:cover}
.post .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.post h3{font-size:19px;font-weight:700;line-height:1.3}
.post p{font-size:14.5px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post .foot-meta{margin-top:auto;padding-top:8px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.card-link{color:inherit;text-decoration:none;display:flex;flex-direction:column;flex:1}
.card-link:focus-visible{outline:3px solid var(--blue);outline-offset:-3px;border-radius:22px}
.media.ph{display:grid;place-items:center}
.empty-state{grid-column:1/-1;background:var(--surface);border-radius:22px;box-shadow:var(--shadow);padding:40px;text-align:center;display:grid;gap:10px;justify-items:center}
.empty-state h3{font-size:19px;font-weight:700}

/* ---------- autora ---------- */
.author-card{display:grid;grid-template-columns:auto minmax(0,1fr);gap:26px;align-items:center;background:var(--sky);border-radius:28px;padding:36px;margin-top:56px;position:relative;overflow:hidden}
.author-card::after{content:"";position:absolute;right:-6px;bottom:-6px;width:150px;height:110px;background-image:radial-gradient(var(--sky-2) 2px,transparent 2.5px);background-size:16px 16px}
.author-card > *{position:relative;z-index:1}
.author-card .eyebrow{font-size:12px}
.author-card h2,.author-card h3{font-size:24px;font-weight:700;margin:6px 0 2px}
.author-card .a-role{font:600 14px var(--display);color:var(--blue);margin-bottom:10px}
.author-card p{max-width:70ch}
.author-card .avatar.lg{box-shadow:0 0 0 6px var(--surface)}
.author-card .links{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}

/* ---------- página de artículo ---------- */
.art-wrap{max-width:820px;margin:0 auto}
.art-head{padding-block:34px 28px}
.art-head .top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.art-head h1{font-size:clamp(32px,4.8vw,54px);font-weight:800;letter-spacing:-.025em;line-height:1.08;margin:14px 0 16px}
.art-head .deck{font-family:var(--display);font-weight:500;font-size:clamp(18px,2vw,21px);color:var(--muted);line-height:1.45;margin-bottom:24px}
.art-hero{max-width:1120px;margin:0 auto;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);background:var(--sky);aspect-ratio:16/9}
.art-hero img{width:100%;height:100%;object-fit:cover}
.photo-credit{max-width:1120px;margin:10px auto 0;text-align:right;font-size:12.5px;color:var(--muted)}
.photo-credit a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.art-body{padding-block:44px 8px;font-size:18px;line-height:1.8;color:var(--ink)}
.art-body > * + *{margin-top:1.1em}
.art-body p,.art-body li{color:var(--ink)}
.art-body h2{font-size:clamp(24px,2.6vw,30px);font-weight:700;letter-spacing:-.01em;line-height:1.25;margin-top:1.9em}
.art-body h3{font-size:21px;font-weight:700;line-height:1.3;margin-top:1.6em}
.art-body h2 + *,.art-body h3 + *{margin-top:.6em}
.art-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px}
.art-body a:hover{color:var(--blue-ink)}
.art-body strong{font-weight:700}
.art-body ul,.art-body ol{padding-left:0;list-style:none;display:grid;gap:.55em}
.art-body li{position:relative;padding-left:30px}
.art-body ul li::before{content:"";position:absolute;left:5px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--blue);transform:rotate(45deg)}
.art-body ol{counter-reset:n}
.art-body ol li{counter-increment:n;padding-left:42px}
.art-body ol li::before{content:counter(n);position:absolute;left:0;top:.2em;width:28px;height:28px;border-radius:50%;background:var(--sky);color:var(--blue);font:700 13px/28px var(--display);text-align:center}
.art-body li:has(> input[type=checkbox]){padding-left:30px}
.art-body li:has(> input[type=checkbox])::before{display:none}
.art-body li > input[type=checkbox]{position:absolute;left:0;top:.35em;width:18px;height:18px;margin:0;accent-color:var(--blue)}
.art-body blockquote{margin:1.6em 0;padding:6px 0 6px 26px;border-left:3px solid var(--coral);font-family:var(--display);font-weight:500;font-size:clamp(20px,2.2vw,24px);line-height:1.45;color:var(--ink)}
.art-body blockquote p{color:var(--ink)}
.art-body img{border-radius:18px;margin-block:1.4em}
.art-body code{font:500 .88em var(--mono);background:var(--sky);padding:2px 6px;border-radius:6px}
.art-body pre{background:var(--ink);color:#fff;padding:18px 20px;border-radius:14px;overflow-x:auto}
.art-body pre code{background:none;color:inherit;padding:0}
.art-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.art-body table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto}
.art-body th,.art-body td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left}
.sample-note{display:flex;gap:10px;align-items:flex-start;background:var(--warn-soft);color:var(--warn);border-radius:14px;padding:12px 16px;font-size:14px;line-height:1.5}
.sample-note b{font-family:var(--display)}
.sources{margin-top:44px;padding-top:22px;border-top:1px solid var(--line)}
.sources h2{font-size:15px;font:700 12px var(--tech);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.sources ol{margin:0;padding-left:20px;display:grid;gap:8px;font-size:15px}
.sources a{color:var(--blue);word-break:break-word}
.share{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:36px;padding-block:20px;border-block:1px solid var(--line)}
.share > span{font:700 12px var(--tech);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-right:4px}
.share .copied{font-size:13px;color:var(--ok)}
.art-cta{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px}
.art-cta > div{background:var(--surface);border-radius:22px;box-shadow:var(--shadow);padding:26px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.art-cta h3{font-size:18px;font-weight:700}
.art-cta p{font-size:14.5px}
.back-ins{display:inline-flex;align-items:center;gap:6px;font:600 14px var(--display);color:var(--blue)}
.back-ins:hover{text-decoration:underline}
.lang-link{font:600 13.5px var(--display);color:var(--blue);padding:6px 12px;border-radius:999px;background:var(--sky)}
.lang-link:hover{background:var(--sky-2)}
.post .media picture,.art-hero picture{display:block;height:100%}

@media (max-width:1000px){
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .featured{grid-template-columns:1fr}
  .featured .body{padding:30px}
  .featured .media{min-height:0;height:auto;aspect-ratio:16/10}
}
@media (max-width:760px){
  .ins-hero{padding-block:44px 28px}
  .ins-hero::after{display:none}
  .ins-tools{flex-direction:column;align-items:stretch;flex-wrap:nowrap}
  .ins-search{flex:1 1 auto}
  .chips-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;margin-inline:calc(-1 * max(16px,env(safe-area-inset-left,0px)));padding-inline:max(16px,env(safe-area-inset-left,0px));scrollbar-width:none}
  .chips-row::-webkit-scrollbar{display:none}
  .post-grid{grid-template-columns:1fr}
  .author-card{grid-template-columns:1fr;padding:26px}
  .art-cta{grid-template-columns:1fr}
  .art-body{font-size:17px}
  .art-hero{border-radius:20px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}