/* =========================================================
   CTC Virtual — Hoja de estilos moderna
   Se carga DESPUÉS de styles.css (Bootstrap) y solo añade/
   sobrescribe lo necesario para dar un look más actual.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --ctc-primary: #244578;
  --ctc-primary-dark: #1a3259;
  --ctc-primary-light: #3d63a8;
  --ctc-accent: #06b6d4;
  --ctc-accent-dark: #0891a8;
  --ctc-bg-soft: #f5f8fc;
  --ctc-text-muted: #5b6b82;
  --ctc-radius: 1rem;
  --ctc-radius-sm: 0.6rem;
  --ctc-shadow: 0 10px 30px rgba(36, 69, 120, 0.08);
  --ctc-shadow-hover: 0 18px 38px rgba(36, 69, 120, 0.16);
}

body {
  font-family: 'Inter', var(--bs-font-sans-serif);
  color: #2a3545;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: 'Inter', var(--bs-font-sans-serif);
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ---------- Navbar ---------- */
.navbar {
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.12);
}

.navbar .nav-link {
  position: relative;
  font-weight: 500;
  padding: 0.5rem 0.9rem !important;
  transition: color 0.2s ease;
}

.navbar .nav-link::after {
  content: "";
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 0.25rem;
  height: 2px;
  background: var(--ctc-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.navbar .nav-link:hover::after,
.navbar .nav-link:focus::after {
  transform: scaleX(1);
}

/* ---------- Franja de cita institucional ---------- */
.ctc-quote-section {
  background: var(--ctc-bg-soft);
}

.ctc-quote {
  position: relative;
  background: #fff;
  border-left: 4px solid var(--ctc-accent);
  border-radius: var(--ctc-radius-sm);
  box-shadow: var(--ctc-shadow);
  padding: 2rem 2.25rem;
  font-style: italic;
  font-size: 1.15rem;
  color: #3a4759;
}

.ctc-quote i.bi-quote {
  font-size: 1.75rem;
  color: var(--ctc-accent);
  margin-right: 0.4rem;
  font-style: normal;
}

.ctc-quote-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.ctc-quote-footer .feature {
  background: var(--ctc-primary) !important;
  color: #fff;
  border-radius: 50%;
  box-shadow: var(--ctc-shadow);
}

.ctc-quote-footer .feature i {
  background: transparent !important;
  color: #fff;
}

/* ---------- Hero / Carrusel ---------- */
.ctc-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--ctc-bg-soft) 0%, #fff 60%);
}

.ctc-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15), transparent 70%);
  pointer-events: none;
}

.ctc-hero::after {
  content: "";
  position: absolute;
  bottom: -140px;
  left: -140px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(36, 69, 120, 0.10), transparent 70%);
  pointer-events: none;
}

.ctc-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(6, 182, 212, 0.12);
  color: var(--ctc-accent-dark);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.35rem 0.9rem;
  border-radius: 50rem;
  margin-bottom: 1rem;
}

.ctc-carousel-card {
  border-radius: var(--ctc-radius);
  overflow: hidden;
  box-shadow: var(--ctc-shadow-hover);
  background: #fff;
}

.ctc-carousel-card .carousel-item img {
  border-radius: var(--ctc-radius);
}

.btn-ctc-primary {
  background: var(--ctc-primary);
  border: none;
  color: #fff;
  border-radius: 50rem;
  padding: 0.65rem 1.6rem;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(36, 69, 120, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-ctc-primary:hover {
  background: var(--ctc-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(36, 69, 120, 0.3);
  color: #fff;
}

.btn-ctc-link {
  border-radius: 50rem;
  padding: 0.65rem 1.4rem;
  font-weight: 600;
  color: var(--ctc-primary);
  border: 1px solid rgba(36, 69, 120, 0.25);
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn-ctc-link:hover {
  background: rgba(36, 69, 120, 0.06);
  color: var(--ctc-primary-dark);
  transform: translateY(-2px);
}

/* ---------- Sección "Contenido Tecnológico" ---------- */
.ctc-section-title p.lead {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  color: var(--ctc-text-muted);
}

.ctc-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--ctc-radius);
  overflow: hidden;
  box-shadow: var(--ctc-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
}

.ctc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ctc-shadow-hover);
}

.ctc-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.ctc-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.ctc-card:hover .ctc-card-img img {
  transform: scale(1.06);
}

.ctc-card-date {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ctc-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 50rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.ctc-card-body {
  padding: 1.4rem 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.ctc-card-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ctc-card-excerpt {
  color: var(--ctc-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.ctc-card-link {
  align-self: flex-start;
  font-weight: 600;
  color: var(--ctc-accent-dark);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.ctc-card-link i {
  transition: transform 0.2s ease;
}

.ctc-card-link:hover i {
  transform: translateX(3px);
}

.ctc-card-link:hover {
  color: var(--ctc-primary);
}

/* ---------- Botón volver arriba ---------- */
.scroll-top {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--ctc-primary) !important;
  box-shadow: var(--ctc-shadow-hover);
  border-radius: 50%;
  width: 46px;
  height: 46px;
}

.scroll-top i {
  font-size: 1.3rem !important;
  color: #fff !important;
}

.scroll-top:hover {
  background: var(--ctc-accent-dark) !important;
}

.scroll-top.active {
  visibility: visible;
  opacity: 1;
}

/* ---------- Footer ---------- */
footer {
  margin-top: auto;
}

/* =========================================================
   Páginas de detalle de contenido (plantillas)
   ========================================================= */

.ctc-article-header {
  position: relative;
  overflow: hidden;
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  background: linear-gradient(135deg, var(--ctc-primary) 0%, var(--ctc-primary-dark) 100%);
  color: #fff;
}

.ctc-article-header::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25), transparent 70%);
  pointer-events: none;
}

.ctc-article-header h1 {
  color: #fff;
}

.ctc-article-header .lead {
  color: rgba(255, 255, 255, 0.88);
}

.ctc-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.ctc-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.85rem;
  border-radius: 50rem;
}

.ctc-lead-block {
  background: #fff;
  border-radius: var(--ctc-radius);
  box-shadow: var(--ctc-shadow);
  padding: 1.75rem 2rem;
  color: #3a4759;
  font-size: 1.08rem;
}

.ctc-article-text {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  color: #45536b;
  font-size: 1.02rem;
  line-height: 1.7;
}

.ctc-media-grid img,
.ctc-media-single img {
  width: 100%;
  height: 100%;
  max-height: 22rem;
  object-fit: cover;
  border-radius: var(--ctc-radius);
  box-shadow: var(--ctc-shadow);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.ctc-media-grid img:hover,
.ctc-media-single img:hover {
  box-shadow: var(--ctc-shadow-hover);
  transform: translateY(-3px);
}

.ctc-video-card {
  border-radius: var(--ctc-radius);
  overflow: hidden;
  box-shadow: var(--ctc-shadow);
}

.ctc-video-card .ratio {
  border-radius: var(--ctc-radius);
}

.ctc-support-card {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--ctc-bg-soft);
  border: 1px solid rgba(36, 69, 120, 0.12);
  border-radius: var(--ctc-radius-sm);
  padding: 1.1rem 1.4rem;
}

.ctc-support-card i {
  font-size: 1.5rem;
  color: var(--ctc-accent-dark);
}

.ctc-support-card a {
  font-weight: 600;
  color: var(--ctc-primary);
  word-break: break-word;
}