/* ============================================================
   Web EVA · BLOG · mockup de validación (Fase 2)
   Reusa ../tokens.css + ../styles.css (nav, footer, .btn, .chip,
   .eyebrow, .container, reveals). Aquí solo lo NET-NEW del blog:
   sistema tipográfico long-form + índice editorial.
   ============================================================ */

/* Nota: el ritmo genérico `main > section` (especificidad 0,0,2) lo ganan
   las clases de abajo (0,1,0); por eso cada sección fija su propio padding. */

/* wrappers */
.blogwrap { width: 100%; max-width: 60rem; margin-inline: auto; padding-inline: var(--gutter); }
.measure  { width: 100%; max-width: 44rem; margin-inline: auto; padding-inline: var(--gutter); }

/* nav: marca la pestaña activa */
.nav__links a[aria-current="page"] { color: var(--color-foreground); }

/* ---------- HERO DEL BLOG · destaca la última entrada sobre una
   constelación de conocimiento animada (canvas, coste 0, reactiva al puntero) ---------- */
.bloghero { position: relative; overflow: hidden; min-height: clamp(600px, 92vh, 880px); display: flex; align-items: center;
  padding-block: clamp(7rem, 16vh, 11rem) clamp(3rem, 8vh, 5rem); }
.bloghero__net { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.bloghero__glow { position: absolute; inset: -20% -10% auto -20%; height: 130%; z-index: 0; pointer-events: none; filter: blur(20px);
  background:
    radial-gradient(34% 52% at 26% 40%, rgba(108,140,255,0.24), transparent 62%),
    radial-gradient(40% 60% at 84% 10%, rgba(138,96,210,0.15), transparent 64%); }
/* velo a la izquierda (protege la legibilidad del texto) dejando la derecha
   despejada para que se aprecie la constelación; abajo funde con el feed */
.bloghero::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(to right, rgba(0,0,0,0.62), rgba(0,0,0,0.26) 44%, transparent 72%),
    linear-gradient(to bottom, rgba(0,0,0,0.32), transparent 16%, transparent 62%, rgba(0,0,0,0.96)); }
.bloghero__inner { position: relative; z-index: 2; width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.bloghero__copy { max-width: 44rem; }
.bloghero__kicker { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-meta); margin: 0 0 1.3rem; line-height: 1.5; }
.bloghero__kicker .k-cat { color: var(--color-brand); }
.bloghero__title { font-size: clamp(2.3rem, 6vw, 4.5rem); font-weight: var(--primitive-fontWeight-regular); line-height: 1.04; letter-spacing: -0.025em; margin: 0; max-width: 16ch; }
.bloghero__title a { color: var(--color-foreground); transition: color var(--primitive-duration-normal) var(--ease); }
.bloghero__title a:hover { color: #fff; }
.bloghero__sub { margin: 1.5rem 0 0; max-width: 52ch; color: var(--color-body-muted); font-size: clamp(1.02rem, 1.6vw, 1.2rem); line-height: 1.55; }
.bloghero__meta { margin: 1.4rem 0 0; font-size: 0.85rem; color: var(--color-meta); font-variant-numeric: tabular-nums; }
.bloghero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2.1rem; }
/* entrada escalonada (reusa el keyframe heroIn global; estado final visible aunque no haya JS) */
.bloghero .hero-anim { animation: heroIn 0.9s var(--ease) both; }
.bloghero .bloghero__kicker.hero-anim  { animation-delay: 0.05s; }
.bloghero .bloghero__title.hero-anim   { animation-delay: 0.16s; }
.bloghero .bloghero__sub.hero-anim     { animation-delay: 0.30s; }
.bloghero .bloghero__meta.hero-anim    { animation-delay: 0.42s; }
.bloghero .bloghero__actions.hero-anim { animation-delay: 0.54s; }
/* pista de scroll al feed */
.bloghero__cue { position: absolute; left: 50%; bottom: 1.6rem; transform: translateX(-50%); z-index: 2; display: inline-flex; flex-direction: column; align-items: center; gap: 0.4rem; color: var(--color-meta); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; transition: color var(--primitive-duration-normal) var(--ease); }
.bloghero__cue:hover { color: var(--color-foreground); }
.bloghero__cue svg { animation: cueBob 2s var(--ease) infinite; }

/* ---------- FILTRO DE CATEGORÍAS (reusa .chip de la landing) ---------- */
.blogfeed { padding-block: clamp(3.5rem, 7vw, 5rem) clamp(4rem, 9vw, 7rem); scroll-margin-top: 90px; }
.blogfilter { display: flex; flex-wrap: wrap; gap: 0.5rem; padding-bottom: clamp(2.5rem, 5vw, 3.5rem); margin-bottom: clamp(2.5rem, 5vw, 3.5rem); border-bottom: 1px solid var(--color-border); }

/* etiqueta de sección (Destacado / Todas las entradas) */
.sec-label { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-meta); margin: 0 0 clamp(1.6rem, 3vw, 2.4rem); }
.sec-label .accent { color: var(--color-brand); }

/* sección de artículo destacado (curado a mano, distinto de la última entrada) */
.featured-sec { padding-block: clamp(3.5rem, 7vw, 5.5rem) clamp(3.5rem, 7vw, 5rem); border-bottom: 1px solid var(--color-border); scroll-margin-top: 90px; }

/* ---------- PORTADA ABSTRACTA (lenguaje visual de la marca, no stock photo) ---------- */
.cover { position: relative; overflow: hidden; border-radius: var(--card-radius); border: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-surface-raised), var(--color-surface)); aspect-ratio: 16 / 9; }
.cover__glow { position: absolute; inset: 0;
  background:
    radial-gradient(60% 72% at 28% 24%, rgba(108,140,255,0.42), transparent 60%),
    radial-gradient(54% 64% at 82% 88%, rgba(138,96,210,0.30), transparent 64%); }
.cover__grid { position: absolute; inset: 0; opacity: 0.5;
  background-image: repeating-linear-gradient(180deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 30px);
  -webkit-mask-image: radial-gradient(74% 74% at 50% 46%, #000, transparent 82%);
          mask-image: radial-gradient(74% 74% at 50% 46%, #000, transparent 82%); }
.cover__core { position: absolute; left: 28%; top: 24%; width: 8px; height: 8px; border-radius: 50%;
  background: #fff; box-shadow: 0 0 24px 6px rgba(108,140,255,0.7); }
.cover__tag { position: absolute; left: 1rem; top: 1rem; font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-body); background: rgba(10,10,10,0.78); border: 1px solid var(--color-border); border-radius: var(--primitive-radius-pill); padding: 0.34rem 0.8rem; }

/* ---------- DESTACADO (asimétrico) ---------- */
.feature { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: center; color: inherit; }
.feature__cover .cover { aspect-ratio: 4 / 3; transition: border-color var(--primitive-duration-normal) var(--ease), box-shadow var(--primitive-duration-normal) var(--ease); }
.feature:hover .feature__cover .cover { border-color: rgba(108,140,255,0.32); box-shadow: 0 0 48px -16px rgba(108,140,255,0.5); }
.feature__kicker { display: flex; align-items: center; gap: 0.7rem; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-brand); }
.feature__kicker .feature__cat { color: var(--color-meta); }
.feature__title { font-size: clamp(1.55rem, 3.4vw, 2.4rem); font-weight: var(--primitive-fontWeight-light); color: var(--color-foreground); letter-spacing: -0.01em; line-height: 1.14; margin: 0.85rem 0 0; transition: color var(--primitive-duration-normal) var(--ease); }
.feature:hover .feature__title { color: #fff; }
.feature__excerpt { margin: 1rem 0 0; color: var(--color-body-muted); font-size: 1.02rem; line-height: 1.6; max-width: 46ch; }
.feature__more { margin-top: 1.3rem; display: inline-flex; align-items: center; gap: 0.5rem; color: var(--color-brand); font-size: 0.9rem; }
.feature__more svg { transition: transform var(--primitive-duration-normal) var(--ease); }
.feature:hover .feature__more svg { transform: translateX(4px); }
@media (max-width: 760px) { .feature { grid-template-columns: 1fr; } .feature__cover { order: -1; } }

/* ---------- LISTA EDITORIAL (no rejilla de tarjetas) ---------- */
.postlist { list-style: none; margin: 0; padding: 0; }
.postrow { border-bottom: 1px solid var(--color-border); }
.postrow > a { display: grid; grid-template-columns: 8.5rem 1fr auto; gap: clamp(1rem, 3vw, 2.5rem); align-items: baseline; padding: 1.7rem 0; color: inherit; transition: background var(--primitive-duration-normal) var(--ease); }
.postrow__meta { display: flex; flex-direction: column; gap: 0.45rem; }
.postrow__date { font-size: 0.8rem; color: var(--color-meta); font-variant-numeric: tabular-nums; }
.postrow__cat { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-brand); }
.postrow__title { font-size: clamp(1.15rem, 2.2vw, 1.5rem); font-weight: var(--primitive-fontWeight-light); color: var(--color-foreground); letter-spacing: -0.01em; line-height: 1.24; margin: 0; transition: color var(--primitive-duration-normal) var(--ease); }
.postrow__excerpt { margin: 0.5rem 0 0; color: var(--color-body-muted); font-size: 0.95rem; line-height: 1.55; max-width: 56ch; }
.postrow__aside { display: inline-flex; align-items: center; gap: 0.8rem; color: var(--color-meta); font-size: 0.8rem; white-space: nowrap; }
.postrow__arrow { display: inline-flex; transition: transform var(--primitive-duration-normal) var(--ease), color var(--primitive-duration-normal) var(--ease); }
.postrow > a:hover .postrow__title { color: #fff; }
.postrow > a:hover .postrow__arrow { transform: translateX(4px); color: var(--color-brand); }
.postrow > a:focus-visible { outline-offset: -2px; }
@media (max-width: 680px) {
  .postrow > a { grid-template-columns: 1fr; gap: 0.55rem; }
  .postrow__meta { flex-direction: row; align-items: center; gap: 0.8rem; }
  .postrow__aside { margin-top: 0.4rem; }
}

/* ============================================================
   PÁGINA DE ENTRADA · sistema tipográfico long-form
   ============================================================ */
.post { padding-top: clamp(6.5rem, 12vh, 9rem); padding-bottom: clamp(4rem, 9vw, 7rem); }

/* layout con índice lateral (TOC) en pantallas anchas; columna de lectura 44rem */
.post__layout { display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 44rem); gap: clamp(2rem, 5vw, 4.5rem); justify-content: center; align-items: start; padding-inline: var(--gutter); }
.post__main { min-width: 0; }
@media (max-width: 1080px) {
  .post__layout { grid-template-columns: minmax(0, 44rem); }
  .post__rail { display: none; }
}

/* barra de progreso de lectura (fina, arriba del todo) */
.readbar { position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 60; pointer-events: none; }
.readbar > i { display: block; height: 100%; width: 0; background: var(--color-brand); box-shadow: 0 0 12px rgba(108,140,255,0.65); transition: width 90ms linear; }

/* índice del artículo · sticky, guía hairline 1px con tramo activo periwinkle */
.post__rail { position: sticky; top: 5.5rem; align-self: start; }
.toc__title { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-meta); margin: 0 0 1rem; }
.toc__list { list-style: none; margin: 0; padding: 0; }
.toc__list a { display: block; padding: 0.42rem 0 0.42rem 1rem; margin-left: -1px; border-left: 1px solid var(--color-border); font-size: 0.88rem; line-height: 1.4; color: var(--color-body-muted);
  transition: color var(--primitive-duration-normal) var(--ease), border-color var(--primitive-duration-normal) var(--ease); }
.toc__list a:hover { color: var(--color-foreground); }
.toc__list a.is-active { color: var(--color-foreground); border-left-color: var(--color-brand); }
.toc__share { margin-top: 1.6rem; padding-top: 1.2rem; border-top: 1px solid var(--color-border); }
.toc__copy { display: inline-flex; align-items: center; gap: 0.5rem; background: none; border: 0; padding: 0; font-family: inherit; font-size: 0.82rem; color: var(--color-body-muted); cursor: pointer; transition: color var(--primitive-duration-normal) var(--ease); }
.toc__copy svg { flex: none; }
.toc__copy:hover { color: var(--color-foreground); }
.toc__copy.is-done { color: var(--color-brand); }

.post__head { padding-bottom: 0; }
.prose h2 { scroll-margin-top: 5.5rem; }
.post__back { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-brand); margin-bottom: 1.6rem; transition: color var(--primitive-duration-normal) var(--ease); }
.post__back svg { transition: transform var(--primitive-duration-normal) var(--ease); }
.post__back:hover { color: #fff; }
.post__back:hover svg { transform: translateX(-3px); }
.post__title { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: var(--primitive-fontWeight-regular); color: var(--color-foreground); line-height: 1.1; letter-spacing: -0.02em; margin: 0; }
.post__dek { margin: 1.4rem 0 0; font-size: clamp(1.12rem, 2vw, 1.32rem); color: var(--color-body-muted); line-height: 1.5; }
.post__byline { display: flex; flex-wrap: wrap; align-items: center; gap: 0.65rem; margin-top: 1.9rem; font-size: 0.85rem; color: var(--color-meta); }
.post__byline .byline__author { color: var(--color-foreground); }
.byline__dot { width: 3px; height: 3px; border-radius: 50%; background: var(--color-meta); display: inline-block; }

.post__cover { margin-block: clamp(2.5rem, 5vw, 3.6rem); }
.post__cover .cover { aspect-ratio: 16 / 7; }

/* ---------- PROSA ---------- */
.prose { color: var(--color-body); }
.prose > *:first-child { margin-top: 0; }
.prose p { margin: 0 0 1.45rem; font-size: 1.125rem; line-height: 1.75; }
.prose__lead { font-size: clamp(1.2rem, 2vw, 1.4rem); line-height: 1.6; color: var(--color-foreground); font-weight: var(--primitive-fontWeight-light); }
.prose h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: var(--primitive-fontWeight-light); color: var(--color-foreground); letter-spacing: -0.01em; line-height: 1.2; margin: 2.8rem 0 1rem; }
.prose h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); font-weight: var(--primitive-fontWeight-medium); color: var(--color-foreground); margin: 2.1rem 0 0.8rem; }
.prose strong { color: var(--color-foreground); font-weight: var(--primitive-fontWeight-medium); }
.prose a:not(.btn) { color: var(--color-brand); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; text-decoration-color: rgba(108,140,255,0.4); transition: color var(--primitive-duration-normal) var(--ease), text-decoration-color var(--primitive-duration-normal) var(--ease); }
.prose a:not(.btn):hover { color: #fff; text-decoration-color: var(--color-brand); }

/* listas con marcador periwinkle (sin barra lateral) */
.prose ul, .prose ol { margin: 0 0 1.5rem; padding: 0; list-style: none; }
.prose li { position: relative; padding-left: 1.6rem; margin-bottom: 0.7rem; color: var(--color-body); line-height: 1.65; }
.prose ul > li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 6px; height: 6px; border-radius: 50%; background: var(--color-brand); box-shadow: var(--glow-brand); }
.prose ol { counter-reset: item; }
.prose ol > li { counter-increment: item; }
.prose ol > li::before { content: counter(item); position: absolute; left: 0; top: 0; font-size: 0.85rem; color: var(--color-brand); font-variant-numeric: tabular-nums; line-height: 1.9; }

/* cita destacada — borde superior/inferior, NUNCA barra lateral */
.prose blockquote { margin: 2.6rem 0; padding: 1.7rem 0; border-block: 1px solid var(--color-border); }
.prose blockquote p { font-size: clamp(1.3rem, 2.6vw, 1.7rem); line-height: 1.38; color: var(--color-foreground); font-weight: var(--primitive-fontWeight-light); letter-spacing: -0.01em; margin: 0; }
.prose blockquote cite { display: block; margin-top: 1rem; font-style: normal; font-size: 0.85rem; color: var(--color-meta); }

/* código: mono SOLO donde es dato real (specs, JSON) */
.prose :not(pre) > code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.86em; color: var(--color-foreground); background: rgba(255,255,255,0.06); border: 1px solid var(--color-border); border-radius: 4px; padding: 0.1em 0.4em; }
.prose pre { margin: 2rem 0; background: linear-gradient(180deg, var(--color-surface-raised), var(--color-surface)); border: 1px solid var(--color-border); border-radius: var(--card-radius); padding: 1.2rem 1.3rem; overflow-x: auto; box-shadow: inset 0 1px 0 rgba(255,255,255,0.05); }
.prose pre code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.84rem; line-height: 1.65; color: var(--color-body); }
.prose pre .tok { color: var(--color-brand); }

/* tabla de specs estilo datasheet (eco del panel de la landing) */
.specbox { margin: 2.1rem 0; border: 1px solid var(--color-border); border-radius: var(--card-radius); overflow: hidden; background: linear-gradient(180deg, var(--color-surface-raised), var(--color-surface)); }
.specbox__cap { padding: 0.7rem 1.1rem; border-bottom: 1px solid var(--color-border); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-meta); }
.specbox__row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.8rem 1.1rem; border-bottom: 1px solid var(--color-border); font-size: 0.95rem; }
.specbox__row:last-child { border-bottom: 0; }
.specbox__row span:first-child { color: var(--color-body-muted); }
.specbox__row span:last-child { color: var(--color-foreground); font-variant-numeric: tabular-nums; }
.specbox__src { display: flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1.1rem; font-size: 0.78rem; color: var(--color-meta); }

/* callout — borde completo + tinte (alternativa permitida a la barra lateral) */
.prose__note { margin: 2.3rem 0; padding: 1.3rem 1.4rem; border: 1px solid var(--color-border); border-radius: var(--card-radius); background: rgba(108,140,255,0.05); }
.prose__note .note__label { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-brand); margin-bottom: 0.6rem; }
.prose__note .note__label .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-brand); box-shadow: var(--glow-brand); display: inline-block; }
.prose__note p { margin: 0; font-size: 1rem; color: var(--color-body); line-height: 1.6; }

.prose figure { margin: 2.5rem 0; }
.prose figure .cover { aspect-ratio: 16 / 8; }
.prose figcaption { margin-top: 0.8rem; font-size: 0.8rem; color: var(--color-meta); text-align: center; }

.prose hr { border: 0; height: 1px; background: var(--color-border); margin: 2.8rem 0; }

/* ---------- CIERRE DE ENTRADA: bio + CTA + relacionados ---------- */
.bio { display: flex; gap: 1.1rem; align-items: center; margin-top: 3.2rem; padding: 1.4rem; border: 1px solid var(--color-border); border-radius: var(--card-radius); background: linear-gradient(180deg, var(--color-surface-raised), var(--color-surface)); }
.bio__avatar { width: 48px; height: 48px; border-radius: 50%; flex: none; border: 1px solid var(--color-border);
  background: radial-gradient(circle at 34% 30%, rgba(108,140,255,0.7), rgba(138,96,210,0.35) 58%, rgba(10,10,10,0.9)); }
.bio__name { color: var(--color-foreground); font-size: 0.95rem; }
.bio__role { color: var(--color-meta); font-size: 0.82rem; margin-top: 0.2rem; }

.postcta { text-align: center; margin-top: clamp(3rem, 7vw, 5rem); padding-top: clamp(3rem, 6vw, 4rem); border-top: 1px solid var(--color-border); }
.postcta h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: var(--primitive-fontWeight-light); color: var(--color-foreground); line-height: 1.2; }
.postcta p { color: var(--color-body-muted); margin: 1rem auto 2rem; max-width: 46ch; }

.related { padding-block: 0; margin-top: clamp(4rem, 8vw, 6rem); }
.related__h { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-meta); margin: 0 0 1rem; }