/* ═══════════════════════════════════════════════
   QUATRIC — BLOG
   Se carga despues de servicios.css y reutiliza sus tokens, la barra, los
   botones, el cierre de contacto y el pie. Aqui solo lo propio del blog.
═══════════════════════════════════════════════ */

/* ───────── Portada del articulo ───────── */
.art-hero {
  position: relative;
  background: var(--q-forest);
  color: var(--q-white);
  padding: 140px 0 88px;
  overflow: hidden;
}

.art-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/img/hero-torres-1280.webp') center 60% / cover;
  opacity: 0.12;
}

.art-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 72px;
  align-items: center;
}

.art-h1 {
  font-family: var(--font-primary);
  font-size: clamp(1.4rem, 2.5vw, 2.05rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.32;
  text-transform: uppercase;
  text-wrap: balance;
  margin-bottom: 24px;
}

.art-bajada {
  font-size: 1.08rem;
  font-weight: 300;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.8);
  max-width: 58ch;
  margin-bottom: 28px;
}

.art-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.72);
}

.art-meta span:first-child { color: var(--q-white); font-weight: 600; }

.art-foto-marco {
  position: relative;
}

.art-foto-marco img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.art-foto-marco::after {
  content: '';
  position: absolute;
  right: -14px;
  bottom: -14px;
  width: 62%;
  height: 62%;
  border: 2px solid var(--q-teal);
}

/* ───────── Lo esencial ───────── */
.esencial {
  background: var(--q-cream);
  padding: 56px 0;
}

.esencial h2 {
  font-family: var(--font-primary);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--q-forest);
  margin-bottom: 24px;
}

.esencial ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.esencial li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--q-ink);
}

.esencial .ck {
  width: 30px;
  height: 30px;
  background: var(--q-teal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.esencial .ck svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--q-white);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ───────── Cuerpo ───────── */
.art-layout {
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr);
  gap: 64px;
  padding-top: 72px;
  padding-bottom: 72px;
}

.toc {
  position: sticky;
  top: 112px;
  align-self: start;
  font-size: 0.86rem;
}

.toc-t {
  font-family: var(--font-primary);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--q-teal);
  margin-bottom: 14px;
}

.toc ol {
  border-left: 1px solid var(--q-silver);
}

.toc a {
  display: block;
  padding: 8px 14px;
  line-height: 1.4;
  color: var(--q-ink-soft);
  transition: color 0.2s, background 0.2s;
}

.toc a:hover { color: var(--q-forest); }

.toc a[aria-current] {
  color: var(--q-forest);
  font-weight: 600;
  background: rgba(32, 114, 106, 0.08);
}

.art-body {
  max-width: 780px;
  min-width: 0;
}

.art-body > p,
.art-body > .lista {
  font-size: 1.05rem;
  line-height: 1.82;
  color: var(--q-ink);
  max-width: 68ch;
  margin-bottom: 1.2em;
}

.art-body strong { font-weight: 700; color: var(--q-forest); }

.art-body a:not(.btn-primary):not(.btn-secondary) {
  color: var(--q-teal-mid);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.art-body a:hover { color: var(--q-forest); }

.art-body h2 {
  font-family: var(--font-primary);
  font-size: clamp(1.1rem, 1.9vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.3;
  text-transform: uppercase;
  color: var(--q-forest);
  margin: 3.4rem 0 1.1rem;
  scroll-margin-top: 104px;
  text-wrap: balance;
}

.art-body > h2:first-child { margin-top: 0; }

.art-body h3 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--q-forest);
  margin: 2rem 0 0.6rem;
}

.lista { padding-left: 0; }

.lista li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 0.55em;
}

.lista:not(.num) li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--q-teal);
}

.lista.num { counter-reset: n; }

.lista.num li { counter-increment: n; padding-left: 38px; }

.lista.num li::before {
  content: counter(n);
  position: absolute;
  left: 0;
  top: 0.08em;
  width: 26px;
  height: 26px;
  background: var(--q-teal);
  color: var(--q-white);
  font-family: var(--font-primary);
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ───────── Figuras ───────── */
.fig {
  margin: 2.2rem 0;
  border: 1px solid var(--q-silver);
  background: var(--q-white);
}

.fig svg {
  display: block;
  width: 100%;
  height: auto;
}

.fig figcaption,
.foto figcaption,
.tabla figcaption {
  padding: 11px 18px;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--q-ink-soft);
}

.foto { margin: 2.2rem 0; }

.foto img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.foto figcaption { padding: 10px 2px 0; }

.foto.captura img { aspect-ratio: auto; border: 1px solid var(--q-silver); }

.foto.lamina img { aspect-ratio: 1 / 1; }

.foto.dos > div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* ───────── Avisos ───────── */
.callout {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  margin: 2.2rem 0;
  padding: 24px 28px;
  background: var(--q-cream);
}

.callout .ic {
  width: 44px;
  height: 44px;
  background: var(--q-teal);
  color: var(--q-white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.callout .ic svg { width: 24px; height: 24px; }

.callout h3 {
  margin: 2px 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--q-forest);
}

.callout p {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.7;
  color: var(--q-ink);
}

.callout.ojo { background: #F8E9DA; }
.callout.ojo .ic { background: #B8571E; }

.callout.dato {
  background: var(--q-forest);
}

.callout.dato h3,
.callout.dato p { color: var(--q-white); }

.callout.dato p { color: rgba(255, 255, 255, 0.82); }

/* ───────── Mito y realidad ───────── */
.mitos {
  display: grid;
  gap: 12px;
  margin: 2.2rem 0;
}

.mito {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--q-silver);
}

.mito > div { padding: 20px 22px; }
.mito .m { background: #FAEBDF; }
.mito .r { background: #E4F1ED; }

.mito b {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.mito .m b { color: #A04A17; }
.mito .r b { color: var(--q-teal-mid); }

.mito p {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.65;
  color: var(--q-ink);
}

/* ───────── Dato grande ───────── */
.dato-grande {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  margin: 2.4rem 0;
  padding: 26px 0;
  border-top: 2px solid var(--q-forest);
  border-bottom: 1px solid var(--q-silver);
}

.dato-grande strong {
  font-family: var(--font-primary);
  font-size: clamp(2rem, 5vw, 3.1rem);
  letter-spacing: 0.02em;
  color: var(--q-teal);
}

.dato-grande p {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--q-ink);
}

/* ───────── Tabla ───────── */
.tabla { margin: 2.2rem 0; border: 1px solid var(--q-silver); background: var(--q-white); }

.tabla-in { overflow-x: auto; }

.tabla table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  min-width: 520px;
}

.tabla th {
  text-align: left;
  background: var(--q-forest);
  color: var(--q-white);
  font-weight: 600;
  padding: 12px 16px;
}

.tabla td {
  padding: 12px 16px;
  border-top: 1px solid var(--q-silver);
  vertical-align: top;
  line-height: 1.55;
}

.tabla tbody tr:nth-child(even) td { background: #F6F2EA; }
.tabla td:first-child { font-weight: 600; color: var(--q-forest); }

/* Tabla de importes: pocas columnas, cabe en el telefono sin desplazamiento. */
.tabla.corta table { min-width: 0; }
.tabla.corta th:not(:first-child),
.tabla.corta td:not(:first-child) { text-align: right; }

/* ───────── Llamado final ───────── */
.cta-art { padding: 88px 0; }

.cta-botones {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* ───────── Fuentes ───────── */
.fuentes {
  background: var(--q-white);
  padding: 72px 0;
  border-top: 1px solid var(--q-silver);
}

.fuentes-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 64px;
}

.fuentes h2 {
  font-family: var(--font-primary);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--q-forest);
  margin-bottom: 18px;
}

.fuentes li {
  font-size: 0.88rem;
  line-height: 1.5;
  margin-bottom: 8px;
  padding-left: 18px;
  position: relative;
}

.fuentes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--q-teal);
}

.fuentes a { color: var(--q-teal-mid); text-decoration: underline; text-underline-offset: 3px; }
.fuentes a:hover { color: var(--q-forest); }

.fuentes-nota p {
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--q-ink-soft);
  margin-bottom: 12px;
}

/* ───────── Filas (indice y relacionados) ───────── */
.relacionados {
  background: var(--q-cream);
  padding: 80px 0;
}

.relacionados .titulo { font-size: clamp(1.2rem, 2vw, 1.6rem); margin-bottom: 28px; }

.filas { border-bottom: 1px solid rgba(0, 51, 51, 0.18); }

.fila-art {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 28px;
  gap: 28px;
  align-items: center;
  padding: 26px 0;
  border-top: 1px solid rgba(0, 51, 51, 0.18);
  transition: background 0.25s var(--ease-out);
}

.fila-foto img {
  display: block;
  width: 220px;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.fila-meta {
  display: block;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--q-teal-mid);
  margin-bottom: 8px;
}

.fila-art h3 {
  font-family: var(--font-body);
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--q-forest);
  margin-bottom: 8px;
  text-wrap: balance;
}

.fila-res {
  display: block;
  font-size: 0.93rem;
  line-height: 1.6;
  color: var(--q-ink-soft);
  max-width: 62ch;
}

.fila-flecha svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--q-teal);
  stroke-width: 2;
  transition: transform 0.25s var(--ease-out);
}

.fila-art:hover .fila-flecha svg { transform: translateX(6px); }
.fila-art:hover h3 { color: var(--q-teal-mid); }

/* ───────── Indice ───────── */
.blog-hero { padding-bottom: 72px; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.chips a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 20px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 3px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--q-white);
  transition: background 0.2s, border-color 0.2s;
}

.chips a:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--q-white);
}

.grupo { padding: 72px 0 8px; background: var(--q-white); }
.grupo:nth-of-type(even) { background: var(--q-white); }

.grupo-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: 64px;
  align-items: start;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--q-silver);
}

.grupo-cab { position: sticky; top: 112px; }

.grupo-cab .titulo { font-size: clamp(1.15rem, 2vw, 1.6rem); margin-bottom: 14px; }

.grupo-cab p {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--q-ink-soft);
  max-width: 34ch;
}

.grupo:last-of-type .grupo-grid { border-bottom: none; }

/* ───────── Responsive ───────── */
@media (max-width: 1024px) {
  .art-hero { padding: 120px 0 72px; }
  .art-hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .art-foto-marco { max-width: 520px; }
  .esencial ul { grid-template-columns: 1fr; gap: 20px; }
  .art-layout { grid-template-columns: 1fr; gap: 36px; padding-top: 48px; }
  .toc { position: static; border: 1px solid var(--q-silver); padding: 18px 20px 8px; }
  .toc ol { border-left: none; }
  .toc a { padding: 7px 0; }
  .toc a[aria-current] { background: none; }
  .fuentes-grid { grid-template-columns: 1fr; gap: 32px; }
  .grupo-grid { grid-template-columns: 1fr; gap: 28px; }
  .grupo-cab { position: static; }
  .grupo-cab p { max-width: 60ch; }
}

@media (max-width: 640px) {
  .art-hero { padding: 108px 0 64px; }
  .art-meta { gap: 4px 16px; }
  .mito { grid-template-columns: 1fr; }
  .callout { grid-template-columns: 1fr; padding: 22px; gap: 14px; }
  .dato-grande { grid-template-columns: 1fr; gap: 8px; }
  .foto.dos > div { grid-template-columns: 1fr; }
  .fila-art { grid-template-columns: 1fr; gap: 16px; }
  .fila-foto img { width: 100%; }
  .fila-flecha { display: none; }
  .cta-botones > a { width: 100%; }
}

/* Movimiento reducido: los deslizamientos de hover se quedan quietos; el
   cambio de color basta como respuesta. */
@media (prefers-reduced-motion: reduce) {
  .fila-flecha svg { transition: none; }
  .fila-art:hover .fila-flecha svg { transform: none; }
}