/* ==========================================================
   Real Demo - Estilos Institucionales (v3.7)
   ========================================================== */

/* FUENTES Y COLORES BASE */
:root {
  --color-azul: #005fa3;
  --color-azul-claro: #0d6efd;
  --color-texto: #333;
  --color-gris-fondo: #f8f9fa;
  --color-oscuro: #212529;
  --font-principal: "Inter", "Open Sans", Arial, sans-serif;
}

body {
  font-family: var(--font-principal);
  color: var(--color-texto);
  background-color: #fff;
  padding-top: 70px; /* coincide con altura navbar */
  line-height: 1.6;
  overflow-x: hidden;
}

/* TITULOS */
h1, h2, h3, h4, h5 {
  color: var(--color-azul);
  font-weight: 700;
}
h1.display-6 {
  color: #fff;
}

/* NAVBAR */
.navbar {
  background-color: var(--color-azul) !important;
}
.navbar-brand span,
.navbar-brand strong {
  font-weight: 700;
  color: #fff;
}

/* ===============================
   HERO / CARRUSEL PRINCIPAL
   =============================== */

/* Fondo de seguridad */
header {
  background-color: #000;
  overflow: hidden;
  margin-top: -70px; /* compensa navbar fijo */
}

/* Carrusel ajustado al viewport visible (sin scroll) */
header,
#heroCarousel,
#heroCarousel .carousel-inner,
#heroCarousel .carousel-item {
  height: calc(100vh - 70px) !important;        /* altura real del viewport menos navbar */
  min-height: calc(100vh - 70px) !important;
  max-height: calc(100vh - 70px) !important;
}

@media (max-width: 768px) {
  header,
  #heroCarousel,
  #heroCarousel .carousel-inner,
  #heroCarousel .carousel-item {
    height: calc(100vh - 60px) !important;
    min-height: calc(100vh - 60px) !important;
    max-height: calc(100vh - 60px) !important;
  }
}

/* Imágenes */
#heroCarousel .carousel-item img.hero-img {
  height: 100% !important;
  width: 100%;
  object-fit: cover;
  object-position: center 35%;
  display: block;
}

/* Overlay oscuro */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

/* Texto centrado vertical/horizontal */
.carousel-caption {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  z-index: 2;
  text-align: center;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
  padding: 0;
}

.carousel-caption h1 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  color: #fff;
  margin-bottom: 0.5rem;
}

.carousel-caption p {
  color: #f1f1f1;
  font-size: 1rem;
}

/* Indicadores */
.carousel-indicators [data-bs-target] {
  background-color: #fff;
  opacity: 0.7;
}
.carousel-indicators .active {
  background-color: var(--color-azul-claro);
}

/* Controles */
.carousel-control-prev-icon,
.carousel-control-next-icon {
  filter: invert(1) drop-shadow(0 0 4px rgba(0, 0, 0, 0.6));
}

/* ANIMACIONES HERO */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade { animation: fadeInUp 1s ease forwards; }
.animate-fade-delay { animation: fadeInUp 1.3s ease forwards; }

/* ===============================
   BLOQUE DESCARGA APP
   =============================== */
section.bg-light h4 {
  color: var(--color-azul);
}

/* ===============================
   SECCIONES GENERALES
   =============================== */
section {
  scroll-margin-top: 80px;
}

.card {
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}
.card-title {
  color: var(--color-azul);
  font-weight: 600;
}

.btn-primary {
  background-color: var(--color-azul);
  border-color: var(--color-azul);
}
.btn-outline-primary {
  color: var(--color-azul);
  border-color: var(--color-azul);
}
.btn-outline-primary:hover {
  background-color: var(--color-azul);
  color: #fff;
}

/* ===============================
   QUIENES SOMOS
   =============================== */
#quienes {
  background: linear-gradient(145deg, var(--color-azul), var(--color-azul-claro));
}

/* ===============================
   FOOTER
   =============================== */
footer {
  background-color: var(--color-oscuro);
  color: #ddd;
  font-size: 0.9rem;
}
footer a {
  color: #ddd;
  transition: color 0.2s;
}
footer a:hover {
  color: #fff;
  text-decoration: underline;
}

/* ===============================
   FORMULARIOS
   =============================== */
form .form-label {
  font-weight: 600;
}
form .btn {
  font-weight: 600;
}
#response-message,
#respuesta {
  text-align: center;
  font-weight: 500;
}

/* ===============================
   RESPONSIVE GLOBAL
   =============================== */
@media (max-width: 992px) {
  body {
    font-size: 0.95rem;
  }
  .card-body p {
    font-size: 0.9rem;
  }
  footer {
    font-size: 0.8rem;
  }
}

@media (max-width: 768px) {
  #heroCarousel .carousel-item:nth-child(3) img.hero-img {
    object-position: 70% center !important; /* antes: right center */
  }
}