/* =====================================================================
   ServicesCode — Páginas interiores (servicios, casos de estudio, 404)
   Complementa styles.css: reutiliza sus tokens (:root / .dark).
   ===================================================================== */

/* Header de página — mismo tratamiento que el header del home
   (styles.css ya aporta sticky + blur + hairline via .header) */
.page-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

/* Conmutador EN/ES de páginas interiores — chip coherente con el select */
.nav__lang-link {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 .85rem;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .85rem;
  line-height: 1;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.nav__lang-link:hover, .nav__lang-link:focus-visible {
  border-color: var(--blue);
  color: var(--blue-deep);
  background: rgba(31, 111, 235, .07);
}
.dark .nav__lang-link { background: rgba(255, 255, 255, .04); }
.dark .nav__lang-link:hover, .dark .nav__lang-link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(139, 233, 253, .08);
}

/* Lienzo de lectura */
.page-main { min-height: 60vh; }
.page-main .container { max-width: 800px; }

/* Breadcrumbs — ruta estilo “path” en monospace */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text-faint);
  margin-bottom: 2rem;
  letter-spacing: .01em;
}
.breadcrumbs a { color: var(--blue-deep); text-decoration: none; }
.breadcrumbs a:hover, .breadcrumbs a:focus-visible { text-decoration: underline; text-underline-offset: 3px; }
.dark .breadcrumbs a { color: var(--cyan); }
.breadcrumbs [aria-current="page"] { color: var(--text-soft); }

/* Título de página con subrayado firma (alineado a la izquierda) */
.page-title {
  font-size: clamp(2rem, 1.55rem + 1.8vw, 2.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.4rem;
  text-wrap: balance;
}
.page-title::after {
  content: "";
  display: block;
  width: 64px; height: 4px;
  margin-top: 1rem;
  border-radius: 999px;
  background: var(--grad-brand);
}

.page-intro {
  font-size: var(--fs-lead);
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 1rem;
}

/* Encabezados de sección con tick degradado (decorativo, sin texto) */
.page-main h2 {
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  margin: 2.7rem 0 1rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.page-main h2::before {
  content: "";
  flex: 0 0 auto;
  width: 4px;
  height: 1.15em;
  border-radius: 999px;
  background: var(--grad-brand);
}
.page-main p { line-height: 1.75; margin-bottom: 1rem; color: var(--text-soft); }
.page-main .page-intro { color: var(--text-soft); }

/* Check-list — checks en chip circular azul (cian en dark) */
.check-list { list-style: none; padding: 0; margin-bottom: 1rem; }
.check-list li {
  position: relative;
  padding-left: 2.15rem;
  margin-bottom: .65rem;
  line-height: 1.65;
  color: var(--text-soft);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: .12em;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 999px;
  background: rgba(31, 111, 235, .12);
  color: var(--blue-deep);
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
}
.dark .check-list li::before {
  background: rgba(139, 233, 253, .13);
  color: var(--cyan);
}

/* Stack / metadatos del caso — chips .badge (estilo base en styles.css) */
.stack-tags, .case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.25rem;
}

/* Imagen del caso de estudio */
.case-image {
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 1.25rem 0 1.9rem;
}

/* CTA final — panel degradado con glow del trio */
.page-cta {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(28rem 14rem at 88% -20%, rgba(255, 121, 198, .12), transparent 65%),
    linear-gradient(135deg, rgba(31, 111, 235, .08), rgba(139, 233, 253, .1));
  border: 1px solid rgba(31, 111, 235, .25);
  border-radius: var(--radius-lg);
  padding: 2.4rem 2rem;
  margin-top: 3.25rem;
  text-align: center;
}
.page-cta::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-brand);
}
.page-cta h2 {
  margin: 0 0 .5rem;
  justify-content: center;   /* anula el layout flex del h2 general */
}
.page-cta h2::before { content: none; }
.page-cta p { max-width: 46ch; margin-inline: auto; }
.page-cta .button { margin: .75rem .35rem 0; }
.dark .page-cta {
  background:
    radial-gradient(28rem 14rem at 88% -20%, rgba(255, 121, 198, .1), transparent 65%),
    linear-gradient(135deg, rgba(31, 111, 235, .16), rgba(139, 233, 253, .07));
  border-color: rgba(110, 168, 255, .3);
}

/* Enlaces relacionados — lista a dos columnas con punto degradado */
.related-links {
  list-style: none;
  padding: 0;
  columns: 2;
  column-gap: 2rem;
}
.related-links li {
  margin-bottom: .35rem;
  break-inside: avoid;
  position: relative;
}
.related-links a {
  display: inline-flex;
  align-items: baseline;
  gap: .55rem;
  padding: .35rem 0;
  color: var(--blue-deep);
  text-decoration: none;
  font-weight: 550;
  transition: color .2s ease;
}
.related-links a::before {
  content: "";
  flex: 0 0 auto;
  width: 7px; height: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  transform: translateY(-1px);
}
.related-links a:hover, .related-links a:focus-visible {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.dark .related-links a { color: var(--cyan); }
.dark .related-links a:hover, .dark .related-links a:focus-visible { color: #fff; }
@media (max-width: 600px) { .related-links { columns: 1; } }

/* Footer de página (el estilo del footer vive en styles.css) */
.page-footer { margin-top: 4.5rem; }

/* 404 — main.container.section.page-main renderizado por render_not_found() */
main.page-main {
  display: block;
  padding-top: clamp(4rem, 10vh, 7rem);
}
main.page-main h1 { margin-bottom: .9rem; }
main.page-main .button { margin-top: .75rem; }