:root {
  --azul-oscuro: #003366;
  --verde-aloe: #00A79D;
  --rojo-cta: #E30613;
  --gris-claro: #e0e0e0;
}

/* ==========================
   BASE
   ========================== */
body {
  font-family: 'Open Sans', sans-serif;
  margin: 0;
  scroll-behavior: smooth;
  position: relative;
  z-index: 0;
  background-color: white;
}

/* Fondo tenue global */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: url('../img/fondo_tenue.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1;
  opacity: 0.15;
  pointer-events: none;
}

/* ==========================
   NAVBAR
   ========================== */
.navbar {
  height: 120px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Logo flotante con sombra */
.navbar-overlay .navbar-brand img {
  height: 100px;
  width: auto;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.6));
  position: relative;
  z-index: 10;
}

/* Links principales */
.navbar-nav .nav-link {
  font-weight: 600;
  color: var(--azul-oscuro);
  margin: 0 10px;
  transition: color .3s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--verde-aloe);
}

/* Suaviza el ocultar/mostrar y evita parpadeo al volver arriba */
.navbar-overlay {
  height: 120px;
  background: transparent !important; /* siempre transparente */
  box-shadow: none;
  transition: transform .3s ease-in-out;
}

/* En el tope: forzamos transparente y SIN transición de fondo */
.navbar-overlay.at-top{
  background: transparent !important;
  transition: transform .3s ease-in-out; /* sin bg transition para evitar flash */
}


/* Todos los links del navbar */
.navbar-overlay .nav-link {
  color: #fff !important;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.8); /* sombra para destacar */
  font-weight: 600;
  transition: all 0.3s ease;
}

/* Link al pasar el mouse */
.navbar-overlay .nav-link:hover {
  color: #00cc66 !important; /* verde al hover */
  text-shadow: 2px 2px 6px rgba(0,0,0,0.9);
}

/* Link activo */
.navbar-overlay .nav-link.active {
  color: #00cc66 !important;
  text-shadow: 2px 2px 6px rgba(0,0,0,0.9);
  border-bottom: 2px solid #00cc66; /* subrayado para marcar sección */
}

/* Cuando hay scroll: fondo blanco (ya lo tenías) */
.navbar-overlay.scrolled{
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,.08);
}

.navbar-overlay.scrolled .nav-link {
  color: var(--azul-oscuro);
}
.navbar-overlay.scrolled .nav-link:hover,
.navbar-overlay.scrolled .nav-link.active {
  color: var(--verde-aloe);
}
.navbar-overlay.scrolled .navbar-toggler {
  border-color: rgba(0,0,0,.25);
}
.navbar-overlay.scrolled .navbar-toggler-icon {
  background-image:
    url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0,0,0, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Botón hamburguesa blanco cuando está sobre imágenes */
.navbar-overlay .navbar-toggler {
  border-color: rgba(255,255,255,.6);
}
.navbar-overlay .navbar-toggler-icon {
  background-image:
    url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Nav-chip → solo texto con sombra (sin caja) */
.nav-chip {
  display: inline-flex;
  gap: 4px;
  padding: 0;
  margin-left: auto;
  background: transparent;
  box-shadow: none;
}
.nav-chip .nav-link {
  color: #fff;
  font-weight: 700;
  padding: 8px 12px;
  text-shadow: 1px 2px 6px rgba(0,0,0,0.75);
  border-radius: 6px;
  transition: color .3s, text-shadow .3s;
}
.nav-chip .nav-link:hover,
.nav-chip .nav-link.active {
  color: var(--verde-aloe);
  text-shadow: 1px 2px 8px rgba(0,0,0,0.9);
}

/* ==========================
   HERO Y CARRUSEL
   ========================== */
.hero {
  background: linear-gradient(135deg, var(--verde-aloe) 0%, var(--azul-oscuro) 100%);
  color: white;
  text-align: center;
  padding: 150px 20px 100px;
}
.hero .carousel-item img {
  height: 100vh; /* ocupa toda la pantalla */
  object-fit: cover;
}
@media (max-width: 767px) {
  .hero .carousel-item img {
    height: 70vh;
  }
}
.carousel-caption {
  z-index: 10;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}
.caption-box {
  background-color: rgba(0, 0, 0, 0.55);
  padding: 40px 30px;
  border-radius: 16px;
  max-width: 700px;
  width: 90%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
.caption-box h1,
.caption-box p {
  color: white;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}
#home .carousel-caption { margin-top: 60px; }

/* Controles carrusel */
.carousel-control-prev-icon,
.carousel-control-next-icon {
  width: 40px; height: 40px;
  background-size: 100% 100%;
  filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.6));
}
.carousel-control-prev,
.carousel-control-next { z-index: 20; }

/* ==========================
   BOTONES Y TEXTOS
   ========================== */
.cta-button {
  background: var(--rojo-cta);
  color: white;
  padding: 15px 40px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all .3s;
  text-decoration: none;
  display: inline-block;
}
.cta-button:hover {
  background: #c5050f;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(227, 6, 19, 0.3);
}
.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--azul-oscuro);
  margin-bottom: 30px;
}

/* ==========================
   CARDS Y FOOTER
   ========================== */
.card img { object-fit: cover; height: 200px; }
footer {
  background: var(--azul-oscuro);
  color: white;
  padding: 40px 0;
  text-align: center;
}

/* ==========================
   FORMULARIOS
   ========================== */
.form-control, .form-select {
  border-radius: 8px;
  border: 2px solid var(--gris-claro);
  padding: 12px;
}
.form-control:focus, .form-select:focus {
  border-color: var(--verde-aloe);
  box-shadow: 0 0 0 .2rem rgba(0, 167, 157, 0.25);
}
.btn-primary {
  background: var(--verde-aloe);
  border: none;
  padding: 12px 30px;
  border-radius: 8px;
  font-weight: 600;
  transition: all .3s;
}
.btn-primary:hover {
  background: #008a82;
  transform: translateY(-2px);
}

/* ==========================
   CONTACTO
   ========================== */
.contact-info { font-size: 0.95rem; line-height: 1.5; }
.contact-info i { vertical-align: middle; }

/* ==========================
   SOCIAL FLOAT
   ========================== */
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
.social-float {
  position: fixed;
  bottom: 80px; right: 20px;
  display: flex; flex-direction: column; gap: 10px;
  z-index: 1000;
  animation: slideInRight 0.8s ease forwards;
}
.social-float a {
  width: 45px; height: 45px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: white;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s;
  opacity: 0; animation: slideInRight 0.6s ease forwards;
}
.social-float a:nth-child(1) { animation-delay: 0.2s; background-color: #3b5998; }
.social-float a:nth-child(2) { animation-delay: 0.4s; background-color: #E1306C; }
.social-float a:nth-child(3), .social-float a.whatsapp {
  animation-delay: 0.6s; background-color: #25D366;
}
.social-float a:hover { transform: scale(1.1); opacity: 0.85; }
@media (max-width: 767px) { .social-float { display: none; } }

/* ==========================
   RESPONSIVE AJUSTES
   ========================== */
@media (max-width: 768px) {
  .hero { padding: 120px 20px 80px; }
  .section-title { font-size: 2rem; }
  .navbar-brand img { height: 80px; }
  .navbar { height: 100px; }
  section { scroll-margin-top: 100px; }
}

/* Menú móvil desplegado */
@media (max-width: 991.98px) {
  .navbar-collapse {
    width: fit-content;
    min-width: 160px;
    max-width: 70%;
    margin-left: auto;
    margin-right: 10px;
    background-color: #fff;
    padding: 1rem;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
    border: 1px solid #ddd;
    border-radius: 12px;
    animation: slideInRight 0.3s ease forwards;
  }
  .navbar-nav { align-items: flex-end; }
  .navbar-nav .nav-link {
    text-align: right;
    white-space: nowrap;
    padding: 8px 16px;
    color: var(--azul-oscuro) !important;
    text-shadow: none; /* en menú móvil no necesitamos sombra */
  }
  .nav-chip {
    background: transparent;
    box-shadow: none;
    padding: 0;
  }
}

.back-to-top{
  position: fixed;
  right: 20px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(0,0,0,.65);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 20px rgba(0,0,0,.25);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
  z-index: 1100;
}
.back-to-top.show{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover{ background: rgba(0,0,0,.8); }



/* ==========================
   ESPACIADO GLOBAL ENTRE SECCIONES
   ========================== */
section {
  padding-top: 60px;
  padding-bottom: 60px;
}

/* Ajuste para móviles */
@media (max-width: 767px) {
  section {
    padding-top: 40px;
    padding-bottom: 40px;
  }
}

/* ==== Tarjetas con efecto hover ==== */
.card {
  overflow: hidden; /* evita que la imagen se desborde */
  border-radius: 12px; /* opcional, bordes más suaves */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card img {
  transition: transform 0.4s ease;
}

.card:hover img {
  transform: scale(1.1); /* zoom en la imagen */
}

.card:hover {
  transform: translateY(-5px); /* efecto "flotar" */
  box-shadow: 0 8px 20px rgba(0,0,0,0.25); /* sombra más notoria */
}

.navbar-toggler-icon {
  filter: brightness(0) !important; /* lo hace negro */
}


/* Ocultar solo la imagen del banner en móviles y tablets
@media (max-width: 991px) {
  #home img {
    display: none !important;
  }
}*/