/* ==========================================================================
   Escuela de Lenguaje Bambú — HOJA BASE (estructura)
   Los COLORES y las FUENTES viven en variables y se sobrescriben desde
   los archivos de tema: theme-a.css, theme-b.css, theme-c.css.
   Cambia el <link> del tema en index.html para probar cada paleta.
   ========================================================================== */

:root {
  /* Colores (valores por defecto; cada tema los redefine) */
  --primario:       #6bbf8a;
  --primario-osc:   #4a9c6d;
  --primario-claro: #e6f4ec;
  --secundario:     #6aa9d4;
  --secundario-osc: #4a89b8;
  --secundario-cl:  #e8f2fa;
  --acento:         #f0a500;
  --whatsapp:       #25d366;
  --whatsapp-dk:    #1da851;
  --texto:          #37474f;
  --texto-suave:    #607d8b;
  --gris-fondo:     #f7fbf9;
  --extranjeros-a:  var(--secundario);
  --extranjeros-b:  var(--secundario-osc);

  /* Tipografía (cada tema redefine estas dos) */
  --font-titulos: 'Quicksand', 'Nunito', sans-serif;
  --font-texto:   'Nunito', system-ui, -apple-system, sans-serif;

  /* Sombras / radios */
  --sombra:       0 10px 30px rgba(0, 0, 0, 0.08);
  --sombra-hover: 0 16px 40px rgba(0, 0, 0, 0.14);
  --radio:        18px;
}

/* -------------------- Base -------------------- */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-texto);
  color: var(--texto);
  background: #fff;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6,
.navbar-brand,
.section-title,
.hero-title { font-family: var(--font-titulos); font-weight: 700; }

section[id], header[id] { scroll-margin-top: 80px; }

/* Imágenes utilitarias */
.rounded-media {
  width: 100%;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  object-fit: cover;
}

/* -------------------- Navbar -------------------- */
.navbar-bambu {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
  padding-top: .6rem;
  padding-bottom: .6rem;
}
.brand-leaf {
  display: block;
  width: 38px;
  height: 38px;
  object-fit: cover;
  border-radius: 50%;
  transition: transform .3s ease;
}
.navbar-brand:hover .brand-leaf { transform: scale(1.08); }
.brand-logo {
  display: block;
  height: 52px;
  width: auto;
  transition: transform .3s ease;
}
.navbar-brand:hover .brand-logo { transform: scale(1.04); }
.brand-text {
  font-size: 1.5rem; font-weight: 700;
  color: var(--primario-osc); letter-spacing: .5px;
}
.navbar-bambu .nav-link {
  color: var(--texto); font-weight: 600;
  padding: .5rem .9rem; border-radius: 10px;
  transition: color .2s ease, background .2s ease;
}
.navbar-bambu .nav-link:hover,
.navbar-bambu .nav-link:focus {
  color: var(--primario-osc); background: var(--primario-claro);
}

/* -------------------- Botones -------------------- */
.btn-whatsapp {
  background: var(--whatsapp); color: #fff; font-weight: 700;
  border: none; border-radius: 50px; padding: .55rem 1.3rem;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-whatsapp:hover, .btn-whatsapp:focus {
  background: var(--whatsapp-dk); color: #fff; transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}
.btn-bambu-primary {
  background: linear-gradient(135deg, var(--primario), var(--primario-osc));
  color: #fff; font-weight: 700; border: none; border-radius: 50px;
  padding: .8rem 1.8rem; box-shadow: var(--sombra);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-bambu-primary:hover, .btn-bambu-primary:focus {
  color: #fff; transform: translateY(-2px); box-shadow: var(--sombra-hover);
}
.btn-bambu-outline {
  background: transparent; color: var(--primario-osc); font-weight: 700;
  border: 2px solid var(--primario); border-radius: 50px; padding: .8rem 1.8rem;
  transition: background .2s ease, color .2s ease;
}
.btn-bambu-outline:hover, .btn-bambu-outline:focus {
  background: var(--primario); color: #fff;
}

/* -------------------- Hero -------------------- */
.hero {
  position: relative; padding: 9rem 0 7rem;
  background: linear-gradient(160deg, var(--primario-claro) 0%, var(--secundario-cl) 100%);
  overflow: hidden;
}
.hero .container { position: relative; z-index: 2; }

/* Ramas de bambú decorativas (asomadas en las esquinas) */
.bamboo-deco {
  position: absolute;
  z-index: 1;
  pointer-events: none;
  user-select: none;
  opacity: .9;
  width: clamp(160px, 22vw, 300px);
  height: auto;
}
.bamboo-deco-tl {
  top: 0; right: 0;
  transform: scaleX(-1) rotate(8deg) translate(-8%, -14%);
}
.bamboo-deco-br {
  bottom: 40px; right: 0;
  transform: scaleX(-1) rotate(6deg) translate(-8%, 6%);
}
/* Oculta las ramas en pantallas medianas/pequeñas para evitar solapes con el texto */
@media (max-width: 991.98px) {
  .bamboo-deco-tl, .bamboo-deco-br { display: none; }
}
.badge-trayectoria {
  display: inline-block; background: #fff; color: var(--primario-osc);
  font-weight: 700; padding: .5rem 1.1rem; border-radius: 50px;
  box-shadow: var(--sombra); font-size: .95rem;
}
.hero-title {
  display: flex; flex-direction: column; line-height: 1.05;
  margin-bottom: .6rem;
}
.hero-eyebrow {
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  font-weight: 700; color: #0a40a4;
  text-transform: uppercase; letter-spacing: 3px;
}
.hero-brand {
  font-size: clamp(3.4rem, 9vw, 6rem);
  font-weight: 800; line-height: 1;
  color: #0a40a4;
}
.hero-brand-line {
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  font-weight: 700; color: var(--texto);
  margin-top: .4rem;
}
.hero-subtitle {
  font-size: 1.1rem; color: var(--texto-suave);
  margin-bottom: 2rem; max-width: 560px;
}
/* Fila: panda a la izquierda + botones pegados hacia la imagen (derecha) */
.hero-actions {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}
.hero-actions-panda {
  width: clamp(90px, 12vw, 150px);
  height: auto;
  flex: 0 0 auto;
}
.hero-actions-btns { flex: 1 1 auto; }

@media (max-width: 991.98px) {
  .hero-title { align-items: center; }
  .hero-tagline { margin-left: auto; margin-right: auto; }
  /* En móvil/tablet centramos: panda arriba, botones abajo */
  .hero-actions {
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .hero-actions-btns { flex: 0 0 auto; }
}
.hero-media {
  position: relative; display: inline-block;
  width: min(620px, 100%);
}
.hero-img {
  width: 100%; border-radius: 24px;
  box-shadow: var(--sombra); object-fit: cover;
}
.hero-float {
  position: absolute; display: grid; place-items: center;
  width: 62px; height: 62px; border-radius: 18px; background: #fff;
  box-shadow: var(--sombra); font-size: 1.6rem;
  animation: floaty 4s ease-in-out infinite;
}
.hero-float-1 { top: 6%;    left: -18px; color: var(--secundario); }
.hero-float-2 { bottom: 12%; left: -18px; color: var(--primario-osc); animation-delay: .8s; }
.hero-float-3 { top: 16%;   right: -18px; color: var(--acento); animation-delay: 1.6s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
.hero-wave { position: absolute; bottom: -1px; left: 0; width: 100%; line-height: 0; }
.hero-wave svg { width: 100%; height: 70px; }
.hero-wave path { fill: #fff; }

/* -------------------- Secciones genéricas -------------------- */
.section { padding: 5.5rem 0; }
.section-alt { background: var(--gris-fondo); }
.section-head { margin-bottom: 3rem; }
.section-eyebrow {
  display: inline-block; color: var(--primario-osc); background: var(--primario-claro);
  font-weight: 700; font-size: .85rem; letter-spacing: 1px; text-transform: uppercase;
  padding: .35rem 1rem; border-radius: 50px; margin-bottom: .8rem;
}
.section-eyebrow-light { color: #fff; background: rgba(255, 255, 255, 0.2); }
.section-title { font-size: clamp(1.7rem, 4vw, 2.4rem); color: var(--texto); }
.section-lead, .lead-text { font-size: 1.1rem; color: var(--texto-suave); }
.section-lead { max-width: 640px; }

/* -------------------- Sobre Nosotros -------------------- */
.highlight-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--primario-claro); border-left: 5px solid var(--primario);
  border-radius: var(--radio); padding: 1.4rem 1.5rem; margin-top: 1.8rem;
}
.highlight-card > .bi { font-size: 2rem; color: var(--primario-osc); flex-shrink: 0; }
.value-card {
  background: #fff; border: 1px solid #eef3f0; border-radius: var(--radio);
  padding: 1.6rem 1.2rem; height: 100%; text-align: center; box-shadow: var(--sombra);
  transition: transform .25s ease, box-shadow .25s ease;
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--sombra-hover); }
.value-card > .bi { font-size: 2.2rem; color: var(--primario); margin-bottom: .6rem; }
.value-card-img {
  width: 57px; height: 57px;
  object-fit: contain;
  margin-bottom: .6rem;
}
.value-card p { color: var(--texto-suave); font-size: .95rem; margin: 0; text-align: justify; }

/* -------------------- Jornadas -------------------- */
.jornadas-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 0;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.jornada-card {
  flex: 1 1 0;
  padding: 2.2rem 1.8rem;
  text-align: center;
  box-shadow: var(--sombra);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  color: #fff;
}
.jornada-card > .bi { font-size: 2.6rem; margin-bottom: .2rem; }
.jornada-card h3 { color: #fff; }

/* Mañana: amarillo · esquinas redondeadas a la izquierda */
.jornada-manana {
  background: #F6B400;
  border-radius: var(--radio) 0 0 var(--radio);
}
/* Tarde: azul · esquinas redondeadas a la derecha */
.jornada-tarde {
  background: #2F80C4;
  border-radius: 0 var(--radio) var(--radio) 0;
}

/* Panda sobrepuesto al centro, entre ambas tarjetas */
.jornadas-panda {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: clamp(90px, 16vw, 140px);
  height: auto;
  z-index: 3;
  border-radius: 50%;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

@media (max-width: 575.98px) {
  .jornadas-wrap { flex-direction: column; }
  .jornada-manana { border-radius: var(--radio) var(--radio) 0 0; }
  .jornada-tarde { border-radius: 0 0 var(--radio) var(--radio); }
  .jornadas-panda { width: 90px; }
}

/* -------------------- Niveles -------------------- */
.nivel-card {
  background: #fff; border-radius: var(--radio); padding: 0 0 2rem;
  height: 100%; text-align: center; box-shadow: var(--sombra);
  border: 2px solid transparent; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.nivel-card:hover { transform: translateY(-6px); box-shadow: var(--sombra-hover); border-color: var(--primario); }
.nivel-img {
  display: block;
  width: auto;
  max-width: 60%;
  height: auto;
  max-height: 150px;
  object-fit: contain;
  margin: 1.4rem auto;
}
.nivel-destacado { border-color: var(--primario); }
.nivel-destacado .nivel-edad { background: var(--primario); }
.nivel-edad {
  display: inline-block; background: var(--secundario); color: #fff; font-weight: 700;
  padding: .3rem 1rem; border-radius: 50px; margin-bottom: .8rem; font-size: .9rem;
}
.nivel-card h3, .nivel-card p { padding-left: 1.4rem; padding-right: 1.4rem; }
.nivel-card p { color: var(--texto-suave); margin: 0; }

/* -------------------- Admisión pasos -------------------- */
.step-card {
  position: relative; background: #fff; border-radius: var(--radio);
  padding: 2.6rem 1.6rem 1.8rem; height: 100%; text-align: center;
  box-shadow: var(--sombra); transition: transform .25s ease, box-shadow .25s ease;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--sombra-hover); }
.step-number {
  position: absolute; top: -22px; left: 50%; transform: translateX(-50%);
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primario), var(--secundario));
  color: #fff; font-weight: 700; font-size: 1.2rem; box-shadow: var(--sombra);
}
.step-card > .bi { font-size: 2.4rem; color: var(--primario); margin-bottom: .6rem; }
.step-card p { color: var(--texto-suave); margin: 0; }

/* -------------------- Contacto -------------------- */
.contacto-info { display: flex; flex-direction: column; gap: 1rem; height: 100%; }
.contacto-item {
  display: flex; gap: 1rem; align-items: center; background: #fff; border-radius: var(--radio);
  padding: 1.2rem 1.4rem; text-decoration: none; color: var(--texto); box-shadow: var(--sombra);
  transition: transform .2s ease, box-shadow .2s ease;
}
.contacto-item:hover { transform: translateY(-3px); box-shadow: var(--sombra-hover); color: var(--texto); }
.contacto-item > .bi { font-size: 1.6rem; color: var(--primario); flex-shrink: 0; }
.contacto-item p { color: var(--texto-suave); font-size: .95rem; }
.contacto-item-wa > .bi { color: var(--whatsapp); }
.mapa-wrapper {
  height: 100%; min-height: 340px; border-radius: var(--radio);
  overflow: hidden; box-shadow: var(--sombra);
}
.mapa-wrapper iframe { width: 100%; height: 100%; min-height: 340px; border: 0; display: block; }

/* -------------------- Footer -------------------- */
.footer { background: var(--texto); color: #cfd8dc; padding: 3rem 0 1.5rem; }
.footer .brand-text { color: #fff; }
.footer-tagline, .footer-address { color: #b0bec5; font-size: .95rem; }
.footer-link { color: #cfd8dc; text-decoration: none; transition: color .2s ease; }
.footer-link:hover { color: var(--primario); }
.footer-social { display: flex; gap: .8rem; justify-content: center; }
.footer-social a {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.1); color: #fff; font-size: 1.2rem; text-decoration: none;
  transition: background .2s ease, transform .2s ease;
}
.footer-social a:hover { background: var(--primario); transform: translateY(-3px); }
.footer-divider { border-color: rgba(255, 255, 255, 0.12); margin: 2rem 0 1.2rem; }
.footer-copy { color: #90a4ae; font-size: .9rem; }

/* -------------------- Botón flotante WhatsApp -------------------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 1050;
  display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%;
  background: var(--whatsapp); color: #fff; font-size: 1.8rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: transform .2s ease, background .2s ease; animation: wa-pulse 2.5s infinite;
}
.wa-float:hover { background: var(--whatsapp-dk); color: #fff; transform: scale(1.08); }
@keyframes wa-pulse {
  0%   { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70%  { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45), 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* -------------------- Responsivo -------------------- */
@media (max-width: 991.98px) {
  .navbar-bambu .navbar-nav { padding-top: .8rem; gap: .2rem; }
  .navbar-bambu .btn-whatsapp { display: inline-block; margin-top: .5rem; }
  .hero { padding: 7.5rem 0 5rem; }
  .hero-media { margin-top: 1rem; }
}
@media (max-width: 767.98px) {
  .section { padding: 3.5rem 0; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .footer { text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-float, .wa-float { animation: none; }
  * { scroll-behavior: auto; }
}

/* -------------------- Banner Redes Sociales (marquee) -------------------- */
.section-redes {
  position: relative;
  padding: 5rem 0 5.5rem;
  background: var(--gris-fondo);
  overflow: hidden;
}
.section-redes .container { position: relative; z-index: 2; }
.bamboo-deco-redes {
  top: -10px; right: -10px;
  transform: scaleX(-1) rotate(-4deg);
  opacity: .35;
}
@media (max-width: 767.98px) {
  .bamboo-deco-redes { opacity: .25; }
}

/* Máscara con degradado en los bordes para que las fotos entren/salgan suave */
.redes-marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.redes-track {
  display: flex;
  width: max-content;
  gap: 1rem;
  animation: redes-scroll 40s linear infinite;
}

/* Pausa al pasar el mouse */
.redes-marquee:hover .redes-track { animation-play-state: paused; }

.redes-item {
  position: relative;
  flex: 0 0 auto;
  width: 240px;
  height: 240px;
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  display: block;
}
.redes-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.redes-item:hover img { transform: scale(1.08); }

.redes-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 2.4rem;
  background: linear-gradient(135deg, rgba(95,158,47,0.55), rgba(166,124,26,0.55));
  opacity: 0;
  transition: opacity .3s ease;
}
.redes-item:hover .redes-overlay { opacity: 1; }

/* Desplaza exactamente la mitad del track (la copia duplicada) → loop continuo */
@keyframes redes-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (max-width: 767.98px) {
  .redes-item { width: 170px; height: 170px; }
  .redes-track { animation-duration: 28s; }
}

/* Respeta la preferencia de reducir movimiento */
@media (prefers-reduced-motion: reduce) {
  .redes-track { animation: none; }
  .redes-marquee {
    overflow-x: auto;
    -webkit-mask-image: none;
            mask-image: none;
  }
}


/* -------------------- Misión y Visión -------------------- */
.mv-card {
  background: #fff;
  border-radius: var(--radio);
  padding: 2.4rem 2rem;
  height: 100%;
  box-shadow: var(--sombra);
  border-top: 5px solid var(--primario);
  transition: transform .25s ease, box-shadow .25s ease;
}
.mv-card:hover { transform: translateY(-6px); box-shadow: var(--sombra-hover); }
.mv-vision { border-top-color: var(--secundario); }
.mv-icon-img {
  display: block;
  width: 56px; height: 56px;
  object-fit: contain;
  border-radius: 50%;
  margin: 0 auto 1rem;
}
.mv-title {
  font-size: 1.6rem;
  color: var(--texto);
  margin-bottom: .8rem;
  text-align: center;
}
.mv-card p {
  color: var(--texto-suave);
  font-size: 1.02rem;
  text-align: justify;
  margin: 0;
}