/* ============================================================
   THEME-LED-LIGHT — variante clara (PRUEBA, solo letrero-led-claro)
   Fondo blanco hueso + tipografía con carácter + acento cyan sólido
   + guiños RGB de subpíxel. La personalidad viene del color y el
   contraste, no del glow (que en claro no funciona).
   ============================================================ */

:root {
  --color-bg:          #f6f7f9;   /* blanco hueso, no puro */
  --color-bg-2:        #eceef2;
  --color-surface:     #ffffff;
  --color-surface-2:   #f1f3f6;
  --color-card:        #ffffff;
  --color-card-hover:  #ffffff;

  --color-primary:     #00b6d4;   /* cyan, algo más profundo para contraste */
  --color-primary-lt:  #0090b0;   /* acento de TEXTO sobre blanco (legible) */
  --color-primary-dk:  #007a96;

  --color-text:        #0a0d12;
  --color-text-muted:  #5a6573;
  --color-text-subtle: #39414e;

  --color-border:      rgba(10,13,18,0.10);
  --color-border-md:   rgba(10,13,18,0.16);
  --color-border-hover:rgba(0,150,185,0.55);

  --led-r: #ff3b6b;
  --led-g: #15c47a;
  --led-b: #2d8cff;

  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Fondo claro con dot matrix tenue en gris */
body {
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(10,13,18,0.05) 1px, transparent 0);
  background-size: 22px 22px;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

h1, h2, h3, h4 { letter-spacing: -0.03em; }
.headline, .display, .page-hero__title, .hero__title, .cta-box__title {
  font-weight: 700;
  color: var(--color-text);
}

/* gradient-text: de negro a cyan profundo (legible en blanco) */
.gradient-text {
  background: linear-gradient(100deg, #0a0d12 0%, var(--color-primary-dk) 60%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: none;
}

/* highlight: subrayado RGB de subpíxel en vez de glow */
.highlight {
  color: var(--color-primary-lt);
  text-shadow: none;
  background: linear-gradient(90deg, var(--led-r), var(--led-g), var(--led-b));
  background-repeat: no-repeat;
  background-position: 0 92%;
  background-size: 100% 3px;
  padding-bottom: 2px;
}

/* eyebrow con línea RGB */
.section-eyebrow, .page-hero__eyebrow { color: var(--color-primary-dk); font-weight: 600; }
.section-eyebrow::before {
  width: 26px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--led-r), var(--led-g), var(--led-b));
}

/* Texto de párrafos: subir contraste sobre blanco */
.text-muted  { color: var(--color-text-muted); }
.text-subtle { color: var(--color-text-subtle); }
.card__body, .service-card__body, .features__intro, .cta-box__body, .page-hero__subtitle {
  color: var(--color-text-subtle);
}

/* Botones: primary cyan sólido con texto oscuro + sombra suave */
.btn--primary {
  background: var(--color-primary);
  color: #04222b;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(0,182,212,0.30);
}
.btn--primary:hover {
  background: #00c8ea;
  box-shadow: 0 10px 28px rgba(0,182,212,0.42);
  transform: translateY(-2px);
}
.btn--outline {
  border: 1.5px solid var(--color-border-md);
  color: var(--color-text);
}
.btn--outline:hover {
  border-color: var(--color-border-hover);
  background: rgba(0,182,212,0.07);
  color: var(--color-text);
}

/* Navbar: transparente sobre blanco; al scroll, vidrio claro */
.navbar.scrolled {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(10,13,18,0.06);
}
/* El logo se invierte a blanco en el tema oscuro; en claro lo dejamos como es */
.navbar__logo img, .footer__brand img { filter: none; opacity: 1; }
.navbar__link { color: var(--color-text-subtle); }
.navbar__link:hover, .navbar__link.active { color: var(--color-text); background: rgba(10,13,18,0.05); }

/* Page hero: glow radial cyan muy suave, sin scanlines */
.page-hero::before {
  background: radial-gradient(ellipse 55% 70% at 50% 0%, rgba(0,182,212,0.12) 0%, transparent 62%);
}
.page-hero::after { content: none; }
.page-hero__title { text-shadow: none; }

/* Cards blancas con barra RGB superior en hover */
.card, .service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(10,13,18,0.04);
}
.card::before, .service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--led-r), var(--led-g), var(--led-b));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.card:hover, .service-card:hover {
  background: var(--color-surface);
  border-color: var(--color-border-md);
  box-shadow: 0 16px 40px rgba(10,13,18,0.12);
  transform: translateY(-5px);
}
.card:hover::before, .service-card:hover::before { opacity: 1; }

.card__icon, .service-card__icon { color: var(--color-primary-dk); }
.card__icon {
  background: rgba(0,182,212,0.10);
  border: 1px solid rgba(0,182,212,0.25);
}
.service-card__tag {
  background: rgba(0,182,212,0.10);
  border: 1px solid rgba(0,182,212,0.25);
  color: var(--color-primary-dk);
}

/* Stats */
.stat__number { color: var(--color-text); text-shadow: none; }
.stats-bar { background: var(--color-surface); }

/* CTA box claro */
.cta-section::before {
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(0,182,212,0.08) 0%, transparent 70%);
}
.cta-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border-md);
  box-shadow: 0 20px 50px rgba(10,13,18,0.08);
}

/* Footer claro */
.footer { background: var(--color-surface); border-top: 1px solid var(--color-border); }
.footer__link:hover { color: var(--color-text); }

/* Imagen del intro con marco suave */
.grid-2 img {
  border: 1px solid var(--color-border) !important;
  box-shadow: 0 20px 50px rgba(10,13,18,0.12);
}

::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-primary); }

/* Card interna usada en inline-styles del index */
:root { --color-bg-card: var(--color-surface); }

/* ============================================================
   HOME: hero claro de dos columnas (texto + imagen al costado).
   Sin imagen de fondo ni capa oscura: encaja con el tema claro.
   ============================================================ */
.hero {
  position: relative;
  min-height: 0;
  height: auto;
  display: block;
  padding: calc(var(--nav-height) + 64px) 0 80px;
  overflow: visible;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 80% 10%, rgba(0,182,212,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 56px;
  align-items: center;
}
.hero__content { max-width: 560px; }
.hero__title { color: var(--color-text); text-shadow: none; }
.hero__subtitle { color: var(--color-text-subtle); }
.hero__badge {
  background: rgba(0,182,212,0.08);
  border: 1px solid rgba(0,182,212,0.25);
  color: var(--color-primary-dk);
  backdrop-filter: none;
}
.hero__media img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: 0 30px 70px rgba(10,13,18,0.18);
}

@media (max-width: 900px) {
  .hero { padding: calc(var(--nav-height) + 36px) 0 56px; }
  .hero__layout { grid-template-columns: 1fr; gap: 36px; }
  .hero__content { max-width: 100%; }
}

/* El menú móvil sigue siendo panel oscuro translúcido (legible siempre) */
.navbar__mobile { background: rgba(8,9,12,0.97); }
.navbar__mobile .navbar__link { color: rgba(255,255,255,0.85); }
.navbar__mobile .navbar__link:hover,
.navbar__mobile .navbar__link.active { color:#fff; background: rgba(255,255,255,0.10); }

/* ============================================================
   BLOG — índice (listado de artículos) y artículo
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.blog-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--led-r), var(--led-g), var(--led-b));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}
.blog-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-md);
  box-shadow: 0 16px 40px rgba(10,13,18,0.12);
}
.blog-card:hover::before { opacity: 1; }
.blog-card__imgwrap { aspect-ratio: 16 / 9; overflow: hidden; }
.blog-card__img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.blog-card:hover .blog-card__img { transform: scale(1.04); }
.blog-card__body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.blog-card__cat {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-dk);
}
.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}
.blog-card__excerpt { font-size: 0.9rem; color: var(--color-text-subtle); line-height: 1.65; flex: 1; }
.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-dk);
  margin-top: 4px;
}
.blog-card:hover .blog-card__link { gap: 10px; }

/* Artículo */
.article { padding: calc(var(--nav-height) + 48px) 0 80px; position: relative; }
.article__wrap { max-width: 760px; margin: 0 auto; padding: 0 28px; }
.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}
.article__cat { color: var(--color-primary-dk); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; }
.article__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 24px;
}
.article__cover {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  margin-bottom: 36px;
}
.article-body { font-size: 1.05rem; line-height: 1.8; color: var(--color-text-subtle); }
.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin: 40px 0 14px;
}
.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 28px 0 10px;
}
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; display: flex; flex-direction: column; gap: 8px; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { padding-left: 4px; }
.article-body strong { color: var(--color-text); font-weight: 600; }
.article-body a { color: var(--color-primary-dk); text-decoration: underline; text-underline-offset: 2px; }
.article-body blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 6px 0 6px 20px;
  margin: 24px 0;
  color: var(--color-text);
  font-size: 1.1rem;
}
.article__cta {
  margin-top: 44px;
  padding: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-md);
  border-radius: 8px;
  text-align: center;
}
.article__cta h3 { font-family: var(--font-display); font-size: 1.3rem; color: var(--color-text); margin-bottom: 10px; }
.article__cta p { color: var(--color-text-subtle); margin-bottom: 20px; }