/* ============================================================
   TIFLOTEC — LANDING PAGE STYLES
   Edita las variables de :root para cambiar colores, tipografía
   y espaciados globales sin tocar el resto del CSS.
   ============================================================ */

/* ──────────────────────────────────────────────
   1. DESIGN TOKENS (fáciles de ajustar)
   ────────────────────────────────────────────── */
:root {
  /* Colores de marca */
  --color-brand:          #1e40af;   /* Azul principal — CTAs, botones (8.7:1 sobre blanco) */
  --color-brand-dark:     #1e3a8a;   /* Azul oscuro — hover, fondos */
  --color-brand-darker:   #0f172a;   /* Casi negro — hero, footer */
  --color-brand-light:    #dbeafe;   /* Azul claro — badges, chips */
  --color-accent:         #38bdf8;   /* Azul cielo — detalles, highlights */

  /* Textos */
  --color-text:           #0f172a;   /* Headings */
  --color-text-body:      #334155;   /* Párrafos */
  --color-text-muted:     #475569;   /* Secundario (7.6:1 sobre blanco) */
  --color-text-inverse:   #ffffff;   /* Sobre fondos oscuros */

  /* Fondos y superficies */
  --color-bg:             #ffffff;
  --color-surface:        #f8fafc;   /* Secciones alternas */
  --color-surface-2:      #f1f5f9;
  --color-border:         #e2e8f0;
  --color-border-dark:    #cbd5e1;

  /* Estados */
  --color-success:        #10b981;

  /* Tipografía */
  --font-family:          'Inter', system-ui, -apple-system, sans-serif;
  --font-size-xs:         0.75rem;
  --font-size-sm:         0.875rem;
  --font-size-base:       1rem;
  --font-size-lg:         1.125rem;
  --font-size-xl:         1.25rem;
  --font-size-2xl:        1.5rem;
  --font-size-3xl:        1.875rem;
  --font-size-4xl:        2.25rem;
  --font-size-5xl:        3rem;
  --font-size-6xl:        3.75rem;
  --line-height-tight:    1.2;
  --line-height-normal:   1.6;

  /* Espaciado */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max:   1200px;
  --container-pad:   1.5rem;
  --section-padding: 6rem;

  /* Radios */
  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm:  0 1px 3px 0 rgb(0 0 0 / 0.08), 0 1px 2px -1px rgb(0 0 0 / 0.08);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.08);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
  --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.1),  0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
}

/* ──────────────────────────────────────────────
   2. RESET
   ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-body);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }
[hidden] { display: none !important; }

/* Skip link para accesibilidad */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-brand);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--space-4); }

/* Texto solo para lectores de pantalla */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Foco visible — importante para lectores de pantalla */
:focus-visible {
  outline: 3px solid var(--color-brand);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Sobre fondos oscuros el foco azul no se ve: usamos azul cielo */
.nav-header :focus-visible,
.hero :focus-visible,
.footer :focus-visible,
.article-header :focus-visible {
  outline-color: var(--color-accent);
}

/* ──────────────────────────────────────────────
   3. LAYOUT
   ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--section-padding);
}

.section--surface {
  background-color: var(--color-surface);
}

/* ──────────────────────────────────────────────
   4. TIPOGRAFÍA
   ────────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  background: var(--color-brand-light);
  color: var(--color-brand);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
  font-weight: 800;
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}

/* ──────────────────────────────────────────────
   5. BOTONES
   ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn-sm { padding: 0.5rem 1rem; font-size: var(--font-size-sm); }
.btn-lg { padding: 1rem 2rem; font-size: var(--font-size-lg); }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--color-brand);
  color: #fff;
  border-color: var(--color-brand);
  box-shadow: 0 4px 14px 0 rgb(29 78 216 / 0.3);
}
.btn-primary:hover {
  background: var(--color-brand-dark);
  border-color: var(--color-brand-dark);
  box-shadow: 0 6px 20px 0 rgb(29 78 216 / 0.4);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

/* ──────────────────────────────────────────────
   6. NAVEGACIÓN
   ────────────────────────────────────────────── */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding-block: var(--space-4);
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}

.nav-header.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.1);
  padding-block: var(--space-3);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 2rem;
  color: var(--color-accent);
  line-height: 1;
}

.logo-text {
  font-size: 1.75rem;
  line-height: 1;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ──────────────────────────────────────────────
   7. HERO
   ────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-brand-darker);
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(29,78,216,0.35) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(56,189,248,0.12) 0%, transparent 50%),
    linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #0f172a 100%);
  /* Todas las animaciones del hero terminan en 5 segundos o menos (WCAG 2.2.2: el
     movimiento automático que dura más de 5 s necesita un botón para pararlo) */
  animation: heroBgPulse 2.5s ease-in-out 2 alternate;
}

@keyframes heroBgPulse {
  from { opacity: 1; }
  to   { opacity: 0.85; }
}

/* Patrón de puntos sutil */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-block: var(--space-24);
}

.hero-text { max-width: 580px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(56,189,248,0.15);
  border: 1px solid rgba(56,189,248,0.3);
  color: #bae6fd;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, var(--font-size-6xl));
  font-weight: 900;
  line-height: 1.05;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero-title-accent {
  background: linear-gradient(135deg, #7dd3fc, #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* En modo de alto contraste de Windows el texto con degradado puede desaparecer */
@media (forced-colors: active) {
  .hero-title-accent {
    background: none;
    -webkit-text-fill-color: currentColor;
  }
}

.hero-description {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.9);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.9);
  font-weight: 500;
}

/* Visual decorativo del hero */
.hero-visual {
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.06);
}

.hero-circle-large {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(29,78,216,0.2) 0%, transparent 70%);
}

.hero-circle-small {
  width: 240px;
  height: 240px;
  border: 1px solid rgba(56,189,248,0.15);
}


.hero-device {
  position: absolute;
  width: 160px;
  height: 200px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 60px rgba(29,78,216,0.3);
}

.hero-device-screen {
  width: 120px;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.hero-device-line {
  height: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  animation: lineFlicker 3s ease-in-out 1;
}

.hero-device-line--short { width: 60%; }

@keyframes lineFlicker {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.hero-device-btn {
  width: 40px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 3px;
  margin-top: var(--space-2);
  box-shadow: 0 0 12px rgba(56,189,248,0.6);
  animation: btnGlow 2s ease-in-out 2;
}

@keyframes btnGlow {
  0%, 100% { box-shadow: 0 0 12px rgba(56,189,248,0.4); }
  50% { box-shadow: 0 0 20px rgba(56,189,248,0.8); }
}

/* Tarjetas flotantes del hero */
.hero-card-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  color: #fff;
  box-shadow: var(--shadow-xl);
  white-space: nowrap;
}

.hero-card-1 {
  top: 10%;
  left: -20px;
  animation: floatUp 4s ease-in-out 1;
}

.hero-card-2 {
  bottom: 15%;
  right: -10px;
  animation: floatUp 4s ease-in-out 1 1s;
}

@keyframes floatUp {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-card-icon { font-size: 1.5rem; }
.hero-card-title { font-size: var(--font-size-sm); font-weight: 700; }
.hero-card-subtitle { font-size: var(--font-size-xs); color: rgba(255,255,255,0.85); }

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out 2;
}

@keyframes scrollPulse {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ──────────────────────────────────────────────
   8. SERVICIOS
   ────────────────────────────────────────────── */
.services { background: var(--color-bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-brand-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card--featured {
  background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%);
  border-color: rgba(29,78,216,0.2);
}

.service-card--featured:hover {
  border-color: rgba(29,78,216,0.4);
  box-shadow: 0 20px 40px rgba(29,78,216,0.12);
}

.service-card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand-light);
  color: var(--color-brand);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
}

.service-card--featured .service-card-icon {
  background: var(--color-brand);
  color: #fff;
}

.service-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.service-card-description {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ──────────────────────────────────────────────
   9. FORMACIÓN
   ────────────────────────────────────────────── */
.formation { background: var(--color-surface); }

.formation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.formation-card {
  padding: var(--space-8);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.formation-card:hover {
  border-color: var(--color-border-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.formation-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.formation-icon { font-size: 2rem; flex-shrink: 0; }

.formation-card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.formation-level {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-brand);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.formation-card-description {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  line-height: 1.6;
}

.formation-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.formation-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-body);
}

/* El punto se alinea con la primera línea aunque el texto ocupe varias */
.formation-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  margin-top: calc(0.8em - 3px);
  background: var(--color-brand);
  border-radius: 50%;
  flex-shrink: 0;
}

.formation-cta {
  text-align: center;
  padding: var(--space-10);
  background: var(--color-brand-light);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(29,78,216,0.15);
}

/* Segunda parte de Formación: Diseño web */
.formation-web {
  margin-top: var(--space-20);
}
.formation-web .section-header { margin-bottom: var(--space-10); }
.formation-web .formation-card {
  max-width: 600px;
  margin-inline: auto;
}

.formation-cta-text {
  font-size: var(--font-size-lg);
  color: var(--color-brand-dark);
  font-weight: 500;
  margin-bottom: var(--space-5);
}

/* ──────────────────────────────────────────────
   10. NOTICIAS
   ────────────────────────────────────────────── */
.news { background: var(--color-bg); }

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

/* Con una sola noticia, la tarjeta se centra en vez de dejar hueco a la derecha */
.news-grid:has(> .news-card:only-child) {
  grid-template-columns: minmax(0, 440px);
  justify-content: center;
}

.news-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-border-dark);
}

.news-card-image {
  height: 180px;
  background: var(--color-surface-2);
  overflow: hidden;
}

.news-card-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-brand-light) 100%);
}

.news-card-content {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card-category {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-brand);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}

.news-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: var(--space-3);
}

.news-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-4);
}

.news-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.news-card-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.news-card-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px; /* zona táctil cómoda */
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-brand);
  transition: color var(--transition-fast);
}
.news-card-link:hover { color: var(--color-brand-dark); }

/* Página de noticia completa (noticias/*.html) */
.article-header {
  background: var(--color-brand-darker);
  padding: var(--space-4) 0;
}
.article-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.article-back {
  display: inline-flex;
  align-items: center;
  min-height: 44px; /* zona táctil cómoda */
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-inverse);
}
.article-back:hover { color: var(--color-accent); }

.article {
  max-width: 760px;
  padding-top: var(--space-16);
  padding-bottom: var(--space-20);
}
.article-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-3);
}
.article-body {
  margin: var(--space-8) 0 var(--space-10);
  font-size: var(--font-size-lg);
  line-height: 1.75;
}
.article-body p { margin-bottom: var(--space-5); }
/* Correo y teléfono sin subrayado; se subraya al pasar el ratón o con el foco */
.article-body a[href^="mailto:"],
.article-body a[href^="tel:"] { text-decoration: none; }
.article-body a[href^="mailto:"]:hover,
.article-body a[href^="mailto:"]:focus-visible,
.article-body a[href^="tel:"]:hover,
.article-body a[href^="tel:"]:focus-visible { text-decoration: underline; }
.article-body h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin: var(--space-10) 0 var(--space-4);
}
.article-body ul {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
}
.article-body ol {
  list-style: decimal;
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
}
.article-body li { margin-bottom: var(--space-2); }

/* Tablas de las páginas legales (p. ej. política de cookies) */
.table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-5);
}
.cookie-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-base);
  line-height: 1.5;
}
.cookie-table caption {
  text-align: left;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.cookie-table th,
.cookie-table td {
  padding: var(--space-3);
  border: 1px solid var(--color-text-muted);
  text-align: left;
  vertical-align: top;
}
.cookie-table th {
  background: var(--color-surface-2);
  color: var(--color-text);
  font-weight: 700;
}

/* En pantallas estrechas cada fila se muestra como una ficha ("Dominio: …").
   Los role="…" del HTML mantienen la estructura de tabla para los lectores de pantalla. */
@media (max-width: 760px) {
  .cookie-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }
  .cookie-table tr {
    display: block;
    border: 1px solid var(--color-text-muted);
    border-radius: var(--radius-md);
    overflow: hidden;
  }
  .cookie-table td {
    display: block;
    border: 0;
    border-bottom: 1px solid var(--color-border-dark);
  }
  .cookie-table td:last-child { border-bottom: 0; }
  .cookie-table td::before {
    content: attr(data-label);
    content: attr(data-label) / ""; /* texto alternativo vacío: el lector ya anuncia la cabecera */
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
  }
}
.article-body a {
  color: var(--color-brand);
  font-weight: 600;
  text-decoration: underline;
}

/* Email y teléfono de las páginas legales: zona táctil de 44 px */
.article-body li > a[href^="mailto:"],
.article-body li > a[href^="tel:"] {
  display: inline-block;
  padding-block: 11px;
}

@media (max-width: 640px) {
  .article-title { font-size: var(--font-size-3xl); }
}

/* Comentarios de las noticias */
.comments {
  margin: var(--space-12) 0 var(--space-10);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border-dark);
}
.comments-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}
.comments-list { margin-bottom: var(--space-12); }
.comments-count {
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.comments-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.comment {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
}
.comment-author {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
}
.comment-date {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.comment-body {
  white-space: pre-line;
  overflow-wrap: anywhere;
}

.comment-form .form-group { margin-bottom: var(--space-5); }
.form-hint {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.form-check input {
  width: 24px;
  height: 24px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-brand);
}
.form-check label { cursor: pointer; }
.form-check-link {
  color: var(--color-brand);
  font-weight: 600;
  text-decoration: underline;
}

/* Campo trampa antispam: fuera de la pantalla */
.comment-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.comment-status {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
}
.comment-status--success { background: #d1fae5; color: #065f46; }

/* Suscripción a las noticias */
.subscribe-box {
  margin-top: var(--space-12);
  margin-bottom: var(--space-10);
  padding: var(--space-8);
  background: var(--color-brand-light);
  border: 1px solid rgba(29,78,216,0.25);
  border-radius: var(--radius-xl);
}
.news .subscribe-box {
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 0;
}
.subscribe-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.subscribe-text {
  color: var(--color-text-body);
  margin-bottom: var(--space-6);
}
.subscribe-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--space-5);
}
.subscribe-form .form-group { margin-bottom: var(--space-5); }

@media (max-width: 640px) {
  .subscribe-box    { padding: var(--space-6) var(--space-5); }
  .subscribe-fields { grid-template-columns: 1fr; }
}
.comment-status--error   { background: #fee2e2; color: #991b1b; }

/* ──────────────────────────────────────────────
   12. CONTACTO
   ────────────────────────────────────────────── */
.contact { background: var(--color-surface); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand-light);
  color: var(--color-brand);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.contact-detail-text {
  font-size: var(--font-size-base);
  color: var(--color-text-body);
  font-weight: 500;
}
a.contact-detail-text:hover { color: var(--color-brand); }

/* Formulario */
.contact-form {
  background: var(--color-bg);
  padding: var(--space-10);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-label span { color: var(--color-brand); }

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  /* Gris suave, pero con contraste 3.4:1 sobre blanco (mínimo WCAG 3:1 para bordes de campos) */
  border: 1.5px solid #808b9c;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
}

.form-input:hover { border-color: var(--color-text-muted); }

.form-input:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.4);
  outline: none;
}

.form-input::placeholder { color: var(--color-text-muted); }

.form-required-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.form-textarea { resize: vertical; min-height: 120px; }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%23475569' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.25rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-success {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: #d1fae5;
  color: #065f46;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: var(--font-size-sm);
  text-align: center;
}

.form-error {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--font-size-sm);
  color: #b91c1c;
}

.form-send-error {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: #fee2e2;
  color: #991b1b;
  border-radius: var(--radius-md);
  font-weight: 500;
}

/* ──────────────────────────────────────────────
   13. FOOTER
   ────────────────────────────────────────────── */
.footer {
  background: var(--color-brand-darker);
  color: rgba(255,255,255,0.7);
  padding-top: var(--space-20);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--space-8);
}

.footer-logo { margin-bottom: var(--space-4); }

.footer-tagline {
  font-size: var(--font-size-base);
  color: #fff;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.footer-description {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: rgba(255,255,255,0.75);
}

.footer-nav-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}

.footer-nav ul { display: flex; flex-direction: column; }

/* Zona táctil mínima de 44px para dedos y usuarios con dificultades motoras */
.footer-link,
.footer-legal-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.footer-link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.8);
  transition: color var(--transition-fast);
}
.footer-link:hover { color: #fff; text-decoration: underline; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.75);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  column-gap: var(--space-6);
}

.footer-legal-link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.75);
  transition: color var(--transition-fast);
}
.footer-legal-link:hover { color: #fff; text-decoration: underline; }

/* ──────────────────────────────────────────────
   14. ANIMACIONES DE ENTRADA
   ────────────────────────────────────────────── */
/* Solo se ocultan si el JS está activo: sin JS el contenido se ve siempre */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Respeta "reducir movimiento" del sistema operativo */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

/* ──────────────────────────────────────────────
   15. RESPONSIVE
   ────────────────────────────────────────────── */

/* Tablet: ≤ 1024px */
@media (max-width: 1024px) {
  :root { --section-padding: 4.5rem; }

  /* minmax(0, 1fr): la columna nunca se ensancha más que la pantalla (zoom al 400 %, WCAG 1.4.10) */
  .hero-content      { grid-template-columns: minmax(0, 1fr); gap: var(--space-12); }
  .hero-visual       { display: none; }
  .hero-text         { max-width: 100%; text-align: center; }
  .hero-description  { margin-inline: auto; }
  .hero-ctas         { justify-content: center; }
  .hero-stats        { justify-content: center; }

  .services-grid     { grid-template-columns: repeat(2, 1fr); }
  .news-grid         { grid-template-columns: repeat(2, 1fr); }
  .contact-grid      { grid-template-columns: 1fr; }
  .footer-grid       { grid-template-columns: 1fr 1fr; }
  .footer-brand      { grid-column: 1 / -1; }
}

/* Mobile: ≤ 768px */
@media (max-width: 768px) {
  :root {
    --section-padding: 3.5rem;
    --container-pad: 1.25rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    top: 64px;
    background: var(--color-brand-darker);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-6);
    gap: var(--space-2);
    overflow-y: auto;
  }

  .nav-links.is-open { display: flex; }

  .nav-link {
    font-size: var(--font-size-base);
    padding: var(--space-4);
    border-radius: var(--radius-md);
  }

  .nav-toggle { display: flex; }

  .hero-title { font-size: 2.5rem; }
  .hero-ctas  { flex-direction: column; align-items: center; }
  .hero-stats { gap: var(--space-6); flex-wrap: wrap; justify-content: center; }

  .formation-grid    { grid-template-columns: 1fr; }
  .news-grid         { grid-template-columns: 1fr; }
  .form-row          { grid-template-columns: 1fr; }
  .contact-form      { padding: var(--space-6); }
  .footer-grid       { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom     { flex-direction: column; text-align: center; }
  .footer-legal      { justify-content: center; flex-wrap: wrap; }
}

/* Móvil: ≤ 600px */
@media (max-width: 600px) {
  .services-grid     { grid-template-columns: 1fr; }
}

/* Mobile pequeño: ≤ 480px */
@media (max-width: 480px) {
  .hero-title  { font-size: 2rem; }
  .section-title { font-size: var(--font-size-2xl); }

  /* El texto de los botones puede pasar a dos líneas para no salirse de la pantalla */
  .btn { white-space: normal; text-align: center; justify-content: center; max-width: 100%; }
  .btn-lg { padding-inline: var(--space-6); }

  /* Recuadro "¿No encuentras lo que buscas?": menos margen para que el botón quepa en una línea */
  .formation-cta { padding: var(--space-6) var(--space-5); }
  .formation-cta .btn { padding-inline: var(--space-5); }
}