/* =====================================================
   QAREFY · CUERPO — Magazine clínico
   Sistema de diseño editorial premium
   ===================================================== */

:root {
  /* Paleta — papel calmo, tinta profunda, verde clínico, bronce editorial */
  --paper: #F4EFE5;
  --paper-warm: #EFE7D5;
  --ink: #161412;
  --ink-soft: #3A332D;
  --rule: #D9CFBD;
  --rule-soft: #E8DFCD;
  --forest: #1F3B2D;
  --forest-deep: #122418;
  --bronze: #9C7237;
  --bronze-soft: #C9A267;
  --oxblood: #6B2218;
  --bone: #FBF8F2;
  --shadow: 0 1px 2px rgba(22,20,18,.04), 0 24px 60px -28px rgba(22,20,18,.25);

  /* Tipografía — unificada con el resto del sitio (Playfair Display + DM Sans) */
  --display: 'Playfair Display', Georgia, serif;
  --body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'DM Sans', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Escala */
  --container: 1240px;
  --container-narrow: 760px;
  --radius: 2px;
}

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,300;1,9..144,400;1,9..144,500;1,9..144,600;1,9..144,700&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600;9..40,700&family=JetBrains+Mono:wght@400;500&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  position: relative;
  overflow-x: hidden;
}

/* Textura papel sutilísima sin imagen */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(156,114,55,.04) 0, transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(31,59,45,.03) 0, transparent 55%);
  z-index: 0;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

/* =========================================
   NAV — barra superior premium
   ========================================= */
.qa-top {
  background: var(--ink);
  color: var(--bone);
  padding: 9px 28px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
}
.qa-top a { color: var(--bronze-soft); }
.qa-top strong { color: var(--bone); font-weight: 600; letter-spacing: 0.02em; }

.qa-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244,239,229,.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--rule);
}
.qa-nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 28px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
}
.qa-logo {
  font-family: var(--display);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-feature-settings: "ss01" on;
}
.qa-logo em { font-style: italic; color: var(--forest); font-weight: 500; }
.qa-logo::after {
  content: '·';
  margin-left: 8px;
  color: var(--bronze);
  font-style: normal;
}
.qa-menu {
  display: flex;
  gap: 28px;
  list-style: none;
  font-size: 14px;
  font-weight: 500;
  justify-content: center;
}
.qa-menu a {
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
  transition: color .2s ease;
}
.qa-menu a:hover { color: var(--forest); }
.qa-menu a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  height: 1px;
  width: 0;
  background: var(--forest);
  transition: width .3s ease;
}
.qa-menu a:hover::after { width: 100%; }

.qa-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--forest);
  color: var(--bone);
  padding: 13px 22px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
  transition: all .25s ease;
  border: 1px solid var(--forest);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.qa-cta:hover {
  background: var(--forest-deep);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -10px rgba(31,59,45,.5);
}
.qa-cta::after { content: '→'; font-size: 16px; }

.qa-cta-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.qa-cta-ghost:hover {
  background: var(--ink);
  color: var(--bone);
}

.qa-cta-large {
  padding: 18px 32px;
  font-size: 14px;
  letter-spacing: 0.06em;
}

/* =========================================
   MASTHEAD — Índice del blog
   ========================================= */
.masthead {
  padding: 84px 28px 56px;
  max-width: var(--container);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.masthead-meta {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-bottom: 36px;
  flex-wrap: wrap;
  align-items: center;
}
.masthead-meta::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--bronze);
}
.masthead-meta span { color: var(--bronze); }

.masthead-title {
  font-family: var(--display);
  font-size: clamp(54px, 9vw, 132px);
  line-height: 0.92;
  font-weight: 400;
  letter-spacing: -0.04em;
  color: var(--ink);
  max-width: 14ch;
}
.masthead-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--forest);
}
.masthead-standfirst {
  margin-top: 36px;
  max-width: 56ch;
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-soft);
  font-weight: 400;
}
.masthead-rule {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.masthead-rule > div {
  padding: 28px 28px 28px 0;
  border-right: 1px solid var(--rule);
}
.masthead-rule > div:last-child { border-right: none; padding-right: 0; }
.masthead-rule > div:not(:first-child) { padding-left: 28px; }
.masthead-rule .num {
  font-family: var(--display);
  font-size: 14px;
  color: var(--bronze);
  font-style: italic;
  display: block;
  margin-bottom: 8px;
}
.masthead-rule strong {
  display: block;
  font-family: var(--display);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.masthead-rule p {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* =========================================
   FILTROS de blog
   ========================================= */
.filters {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 28px 24px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.filters-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-right: 12px;
}
.filter-chip {
  padding: 8px 16px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-soft);
  background: transparent;
  cursor: pointer;
  font-family: var(--body);
  transition: all .2s ease;
}
.filter-chip:hover { border-color: var(--ink); color: var(--ink); }
.filter-chip.is-active {
  background: var(--ink);
  color: var(--bone);
  border-color: var(--ink);
}

/* =========================================
   GRID DE ARTÍCULOS
   ========================================= */
.grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 28px 96px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 48px 32px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  transition: transform .3s ease;
}
.card:hover { transform: translateY(-2px); }
.card-media {
  position: relative;
  overflow: hidden;
  margin-bottom: 22px;
  background: var(--rule-soft);
  aspect-ratio: 4/3;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s cubic-bezier(.2,.7,.2,1);
  filter: contrast(.96) saturate(.96);
}
.card:hover .card-media img { transform: scale(1.04); }

.card-tag {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 7px 11px;
  font-weight: 500;
}

.card-num {
  font-family: var(--display);
  font-style: italic;
  font-size: 13px;
  color: var(--bronze);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}
.card-num::before { content: 'Nº '; }

.card h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 12px;
}
.card h3 em { font-style: italic; color: var(--forest); font-weight: 400; }

.card-dek {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin-bottom: 18px;
}

.card-byline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
}
.card-byline strong { font-weight: 500; }
.card-byline span { color: var(--ink-soft); }
.card-byline::after {
  content: 'Leer →';
  margin-left: auto;
  font-style: italic;
  color: var(--forest);
  font-family: var(--display);
}

/* Hero/portada: ocupa 12 columnas */
.card.is-hero { grid-column: span 12; }
.card.is-hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.card.is-hero .card-media {
  aspect-ratio: 5/4;
  margin-bottom: 0;
}
.card.is-hero h3 {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.04;
}
.card.is-hero .card-num {
  font-size: 14px;
  margin-bottom: 16px;
}
.card.is-hero .card-dek {
  font-size: 17.5px;
  line-height: 1.55;
  max-width: 50ch;
}

/* Cards normales */
.card.is-half { grid-column: span 6; }
.card.is-third { grid-column: span 4; }

/* =========================================
   FOOTER comp.
   ========================================= */
.foot {
  background: var(--ink);
  color: var(--bone);
  padding: 80px 28px 40px;
  margin-top: 80px;
  position: relative;
  z-index: 2;
}
.foot-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(251,248,242,.18);
}
.foot-brand {
  font-family: var(--display);
  font-size: 32px;
  line-height: 1.1;
  font-weight: 400;
  max-width: 22ch;
}
.foot-brand em { font-style: italic; color: var(--bronze-soft); }
.foot-brand small {
  display: block;
  margin-top: 18px;
  font-family: var(--body);
  font-size: 13px;
  color: rgba(251,248,242,.65);
  line-height: 1.55;
  font-weight: 400;
}
.foot h5 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bronze-soft);
  margin-bottom: 18px;
  font-weight: 500;
}
.foot ul { list-style: none; }
.foot ul li { margin-bottom: 9px; }
.foot ul a { color: rgba(251,248,242,.78); font-size: 14px; transition: color .2s; }
.foot ul a:hover { color: var(--bone); }
.foot-base {
  max-width: var(--container);
  margin: 0 auto;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(251,248,242,.5);
  flex-wrap: wrap;
  gap: 16px;
}

/* =========================================
   ARTÍCULO INDIVIDUAL
   ========================================= */
.article-hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px 28px 56px;
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--forest); }
.breadcrumb-sep { color: var(--bronze); }

.article-tag {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bronze);
  margin-bottom: 24px;
  display: inline-flex;
  gap: 12px;
  align-items: center;
}
.article-tag::after {
  content: '';
  display: inline-block;
  width: 32px; height: 1px;
  background: var(--bronze);
}

.article-title {
  font-family: var(--display);
  font-size: clamp(42px, 6.5vw, 88px);
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.035em;
  max-width: 18ch;
  color: var(--ink);
}
.article-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--forest);
}

.article-standfirst {
  margin-top: 28px;
  max-width: 60ch;
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink-soft);
  font-family: var(--display);
  font-weight: 300;
}

.article-byline {
  margin-top: 56px;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13.5px;
}
.byline-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--forest), var(--bronze));
  display: grid;
  place-items: center;
  color: var(--bone);
  font-family: var(--display);
  font-style: italic;
  font-weight: 600;
  font-size: 16px;
  flex-shrink: 0;
}
.byline-info strong {
  display: block;
  font-weight: 500;
  margin-bottom: 2px;
}
.byline-info span { color: var(--ink-soft); }
.byline-meta {
  margin-left: auto;
  display: flex;
  gap: 24px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}
.byline-meta strong { color: var(--ink); font-weight: 500; }

.article-cover {
  max-width: var(--container);
  margin: 0 auto 64px;
  padding: 0 28px;
  position: relative;
  z-index: 2;
}
.article-cover-inner {
  aspect-ratio: 21/9;
  background: var(--rule-soft);
  overflow: hidden;
  position: relative;
}
.article-cover-inner img { width: 100%; height: 100%; object-fit: cover; }
.article-cover-caption {
  margin-top: 12px;
  font-size: 12px;
  color: var(--ink-soft);
  font-style: italic;
  font-family: var(--display);
}

/* Cuerpo del artículo */
.article-body {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 2;
}
.article-body > p,
.article-body > h2,
.article-body > h3,
.article-body > ul,
.article-body > ol,
.article-body > .pullquote,
.article-body > .keypoints,
.article-body > .doc-comment,
.article-body > .infobox,
.article-body > .cta-block,
.article-body > figure,
.article-body > .biblio,
.article-body > .faq {
  margin-bottom: 28px;
}

.article-body p {
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink);
}
.article-body p:first-of-type::first-letter {
  font-family: var(--display);
  font-size: 84px;
  font-weight: 400;
  float: left;
  line-height: 0.85;
  padding: 8px 12px 0 0;
  color: var(--forest);
}
.article-body p a {
  border-bottom: 1px solid var(--bronze);
  transition: color .2s;
}
.article-body p a:hover { color: var(--forest); }
.article-body strong { font-weight: 600; }

.article-body h2 {
  font-family: var(--display);
  font-size: 36px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 500;
  margin-top: 56px;
  color: var(--ink);
}
.article-body h2 em { font-style: italic; color: var(--forest); font-weight: 400; }

.article-body h3 {
  font-family: var(--display);
  font-size: 24px;
  line-height: 1.25;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-top: 36px;
  color: var(--ink);
}

.article-body ul, .article-body ol {
  padding-left: 24px;
  font-size: 17.5px;
  line-height: 1.7;
}
.article-body li { margin-bottom: 10px; padding-left: 6px; }
.article-body ul li::marker { color: var(--bronze); }
.article-body ol li::marker { color: var(--bronze); font-family: var(--display); font-style: italic; font-weight: 600; }

.pullquote {
  margin: 56px -56px;
  padding: 48px 56px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-align: center;
}
.pullquote q {
  font-family: var(--display);
  font-style: italic;
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 400;
  quotes: '“' '”';
}
.pullquote q::before { color: var(--bronze); margin-right: 4px; }
.pullquote q::after { color: var(--bronze); margin-left: 4px; }
.pullquote footer {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.keypoints {
  background: var(--paper-warm);
  padding: 32px 36px;
  border-left: 3px solid var(--forest);
  position: relative;
}
.keypoints h4 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--forest);
  margin-bottom: 16px;
  font-weight: 500;
}
.keypoints ul {
  list-style: none;
  padding-left: 0;
  font-size: 16px;
}
.keypoints li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  line-height: 1.5;
}
.keypoints li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--bronze);
  font-size: 12px;
  top: 4px;
}

.doc-comment {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 24px;
  padding: 36px;
  background: var(--ink);
  color: var(--bone);
  margin: 48px -28px;
  position: relative;
}
.doc-comment::before {
  content: '“';
  position: absolute;
  top: -32px; left: 32px;
  font-family: var(--display);
  font-size: 120px;
  color: var(--bronze);
  line-height: 1;
}
.doc-avatar {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bronze), var(--forest));
  display: grid;
  place-items: center;
  color: var(--bone);
  font-family: var(--display);
  font-style: italic;
  font-weight: 600;
  font-size: 32px;
}
.doc-comment blockquote {
  font-family: var(--display);
  font-size: 22px;
  line-height: 1.4;
  font-weight: 300;
  font-style: italic;
  margin-bottom: 18px;
}
.doc-comment cite {
  font-style: normal;
  font-family: var(--body);
  font-size: 13px;
  color: var(--bronze-soft);
  letter-spacing: 0.04em;
}
.doc-comment cite strong { color: var(--bone); display: block; font-size: 15px; margin-bottom: 2px; font-weight: 500; }

.infobox {
  border: 1px solid var(--rule);
  padding: 28px;
}
.infobox h4 {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.infobox h4 em { font-style: italic; color: var(--forest); }
.infobox p { font-size: 15.5px; line-height: 1.6; }
.infobox table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin-top: 8px; }
.infobox th, .infobox td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--rule); }
.infobox th { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-soft); font-weight: 500; }

.cta-block {
  background: linear-gradient(135deg, var(--forest) 0%, var(--forest-deep) 100%);
  color: var(--bone);
  padding: 48px;
  margin: 56px -28px;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(201,162,103,.18) 0, transparent 65%);
}
.cta-block-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--bronze-soft);
  margin-bottom: 14px;
  position: relative;
}
.cta-block h3 {
  font-family: var(--display);
  font-size: 38px;
  line-height: 1.1;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  max-width: 16ch;
  position: relative;
}
.cta-block h3 em { font-style: italic; color: var(--bronze-soft); }
.cta-block p { font-size: 16.5px; line-height: 1.6; opacity: 0.85; margin-bottom: 28px; max-width: 50ch; position: relative; }
.cta-block .qa-cta {
  background: var(--bone);
  color: var(--ink);
  border-color: var(--bone);
  position: relative;
}
.cta-block .qa-cta:hover { background: var(--bronze-soft); border-color: var(--bronze-soft); }
.cta-block .cta-fineprint {
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(251,248,242,.6);
  font-family: var(--mono);
}

.biblio {
  border-top: 1px solid var(--ink);
  padding-top: 36px;
  margin-top: 56px;
}
.biblio h3 {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 24px;
  font-weight: 500;
}
.biblio ol {
  list-style: none;
  padding-left: 0;
  counter-reset: refs;
  font-size: 14px;
  line-height: 1.55;
}
.biblio ol li {
  counter-increment: refs;
  margin-bottom: 14px;
  padding-left: 36px;
  position: relative;
  color: var(--ink-soft);
}
.biblio ol li::before {
  content: counter(refs, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--bronze);
  font-weight: 500;
  top: 3px;
}
.biblio ol li em { color: var(--ink); font-style: italic; }
.biblio ol li a { border-bottom: 1px dotted var(--bronze); }

.faq {
  border-top: 1px solid var(--rule);
  padding-top: 56px;
  margin-top: 56px;
}
.faq > h2 {
  font-family: var(--display);
  font-size: 38px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.faq > h2 em { font-style: italic; color: var(--forest); font-weight: 400; }
.faq details {
  border-bottom: 1px solid var(--rule);
  padding: 20px 0;
}
.faq details summary {
  cursor: pointer;
  font-family: var(--display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq details summary::-webkit-details-marker { display: none; }
.faq details summary::after {
  content: '+';
  font-size: 28px;
  color: var(--bronze);
  font-weight: 300;
  transition: transform .2s ease;
  font-family: var(--display);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* Sticky CTA bar inferior */
.sticky-cta {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bone);
  padding: 14px 14px 14px 28px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  box-shadow: 0 16px 40px -10px rgba(22,20,18,.45);
  z-index: 40;
  font-weight: 500;
  opacity: 0;
  transform: translate(-50%, 20px);
  transition: all .4s ease;
  pointer-events: none;
}
.sticky-cta.is-visible { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.sticky-cta strong { color: var(--bronze-soft); }
.sticky-cta .qa-cta {
  background: var(--bone);
  color: var(--ink);
  border-color: var(--bone);
  padding: 10px 18px;
}

/* Artículos relacionados */
.related {
  max-width: var(--container);
  margin: 96px auto 0;
  padding: 0 28px;
}
.related h2 {
  font-family: var(--display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.related h2 em { font-style: italic; color: var(--forest); font-weight: 400; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}

/* Responsive */
@media (max-width: 960px) {
  .qa-top { padding: 8px 18px; font-size: 11px; }
  .qa-top span { display: none; }
  .qa-nav-inner { grid-template-columns: 1fr auto; padding: 14px 18px; gap: 12px; }
  .qa-menu { display: none; }
  .qa-cta { padding: 10px 16px; font-size: 12px; }
  .masthead { padding: 56px 20px 32px; }
  .masthead-title { font-size: clamp(40px, 11vw, 64px); }
  .masthead-rule { grid-template-columns: 1fr 1fr; }
  .masthead-rule > div { border-right: none; padding: 22px 0 !important; border-bottom: 1px solid var(--rule); }
  .masthead-rule > div:nth-child(odd) { padding-right: 18px !important; border-right: 1px solid var(--rule) !important; }
  .grid { padding: 24px 20px 64px; gap: 40px 20px; }
  .card.is-hero { grid-template-columns: 1fr; gap: 28px; grid-column: span 12; }
  .card.is-half { grid-column: span 12; }
  .card.is-third { grid-column: span 12; }
  .filters { padding: 32px 20px 12px; }
  .article-hero { padding: 48px 20px 36px; }
  .article-title { font-size: clamp(38px, 9vw, 60px); }
  .article-cover { padding: 0 20px; margin-bottom: 40px; }
  .article-body { padding: 0 20px; }
  .article-body h2 { font-size: 28px; margin-top: 40px; }
  .pullquote { margin: 36px -20px; padding: 32px 24px; }
  .pullquote q { font-size: 24px; }
  .doc-comment { margin: 36px -20px; padding: 28px 24px; grid-template-columns: 64px 1fr; gap: 18px; }
  .doc-avatar { width: 64px; height: 64px; font-size: 24px; }
  .doc-comment blockquote { font-size: 17px; }
  .cta-block { margin: 36px -20px; padding: 32px 24px; }
  .cta-block h3 { font-size: 28px; }
  .foot { padding: 56px 20px 28px; }
  .foot-inner { grid-template-columns: 1fr; gap: 32px; padding-bottom: 36px; }
  .related-grid { grid-template-columns: 1fr; gap: 28px; }
  .related { padding: 0 20px; margin-top: 56px; }
  .sticky-cta { font-size: 12px; padding: 10px 10px 10px 18px; gap: 10px; bottom: 14px; max-width: 92vw; }
  .sticky-cta .hide-mobile { display: none; }
  .byline-meta { margin-left: 0; gap: 14px; font-size: 10px; }
  .article-body p:first-of-type::first-letter { font-size: 64px; }
}

/* Animaciones en entrada */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.masthead-title,
.masthead-standfirst,
.article-title,
.article-standfirst {
  animation: fadeUp 0.9s cubic-bezier(.2,.7,.2,1) both;
}
.masthead-standfirst { animation-delay: 0.15s; }
.article-standfirst { animation-delay: 0.15s; }

/* Selección de texto */
::selection { background: var(--forest); color: var(--bone); }

/* Accesibilidad: focus visible */
a:focus-visible, button:focus-visible, .qa-cta:focus-visible, summary:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
}

/* Print */
@media print {
  .qa-top, .qa-nav, .sticky-cta, .cta-block, .foot, .related, .filters { display: none; }
  body { background: white; }
  .article-body { max-width: 100%; }
}