/* ==========================================================================
   PÁGINA: INDEX (Landing Page)
   5 secciones: Hero, Beneficios, Curso Gratis, FAQ, Footer
   Compatible con modo claro (cálido) y oscuro via tema.css
   ========================================================================== */

/* ============================================================
   CONTENEDOR CENTRAL — card beige flotando sobre el degradado del body
   El hero queda fuera (ancho completo), todo lo demás va aquí.
   ============================================================ */
.contenido-landing {
  width: calc(100% - 2.4rem);
  max-width: 120rem;
  margin: 3rem auto;
  background-color: #F0F4F0;
  border-radius: 1.2rem;
  border: .1rem solid var(--borde-verde);
  box-shadow: 0 .8rem 3rem rgba(0, 0, 0, 0.2);
  transition: background-color 0.4s ease;
}

[data-tema="oscuro"] .contenido-landing {
  background-color: #1E293B;
  border-color: rgba(201, 164, 76, 0.35);
}

@media (min-width: 640px) {
  .contenido-landing {
    width: calc(100% - 6rem);
  }
}

@media (min-width: 1024px) {
  .contenido-landing {
    width: calc(100% - 10rem);
  }
}

/* ============================================================
   SECCIÓN 1: HERO — foto de fondo, ancho completo, fuera del contenedor
   ============================================================ */
.hero-landing {
  margin-top: 7rem;
  position: relative;
  min-height: 55rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-fondo {
  position: absolute;
  inset: 0;
  background-image: image-set(
    url("../../img/Header.avif") type("image/avif"),
    url("../../img/Header.webp") type("image/webp"),
    url("../../img/Header.jpg") type("image/jpeg")
  );
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
}

/* Overlay oscuro para legibilidad del texto */
.hero-fondo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--tema-hero-overlay);
}

.hero-contenido {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 6rem 4rem;
  max-width: 60rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-titulo {
  font-family: var(--fuente-titulos);
  font-size: 3.6rem;
  color: var(--color-crema);
  text-shadow: var(--sombra-texto);
  line-height: 1.2;
  margin: 0 0 2.4rem;
}

.hero-subtitulo {
  color: #F2EDE4;
  font-size: 1.8rem;
  margin: 0 0 4rem;
  font-weight: 400;
  text-shadow: var(--sombra-texto);
}

/* hero-cta: usa .btn-primario del sistema. Solo override de tamaño. */
.hero-cta {
  padding: 1.4rem 3.5rem;
  font-size: 1.6rem;
}

@media (min-width: 768px) {
  .hero-landing    { min-height: 65rem; }
  .hero-titulo     { font-size: 4.6rem; }
  .hero-subtitulo  { font-size: 2rem; }
  .hero-contenido  { padding: 5rem 4rem; }
}

/* ============================================================
   SECCIÓN VIDEO — Conoce tu academia
   ============================================================ */
.conoce-academia {
  padding: 6rem 2rem;
  background: transparent;
  text-align: center;
  scroll-margin-top: 10rem;   /* ancla suave para el enlace #conoce-tu-academia */
}

.conoce-titulo {
  font-family: var(--fuente-titulos);
  font-size: 2.8rem;
  color: var(--tema-titulo);
  margin: 0 0 3rem;
}

.video-wrapper-landing {
  max-width: 80rem;
  margin: 0 auto 2.4rem;
}

.video-placeholder-landing {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #1A1F36;
  border-radius: var(--radio-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  position: relative;
  overflow: hidden;
  border: .1rem solid rgba(42, 106, 80, 0.2);
  cursor: pointer;
}
.video-placeholder-landing::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(42, 106, 80, 0.08) 0%, transparent 70%);
}

.video-badge-landing {
  position: absolute;
  top: 1.2rem;
  left: 1.2rem;
  background: var(--color-verde);
  color: var(--color-blanco);
  font-size: 1rem;
  font-weight: 700;
  padding: .4rem .9rem;
  border-radius: var(--radio-sm);
  letter-spacing: .06em;
  z-index: 2;
}

.video-play-landing {
  width: 6rem;
  height: 6rem;
  border-radius: var(--radio-redondo);
  background: rgba(47, 143, 107, 0.9);
  color: var(--color-blanco);
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: .4rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 .4rem 2rem rgba(47, 143, 107, 0.4);
  transition: transform var(--transicion-media), background var(--transicion-media);
}
.video-play-landing:hover {
  transform: scale(1.1);
  background: var(--color-verde);
}

.video-label-landing {
  color: rgba(242, 237, 228, 0.4);
  font-size: 1rem;
  letter-spacing: .05em;
  position: relative;
  z-index: 1;
}

/* btn-registro-landing: usa .btn-primario del sistema. Solo override de tamaño. */
.btn-registro-landing {
  padding: 1.3rem 3.2rem;
  font-size: 1.5rem;
}

/* ============================================================
   DIVISOR — patrón SVG inspirado en Teotihuacán
   ============================================================ */
.divisor-landing {
  width: 100%;
  height: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3E%3Cline x1='0' y1='0' x2='20' y2='0' stroke='%23C9A44C' stroke-width='3' stroke-linecap='square'/%3E%3Cline x1='0' y1='0' x2='0' y2='20' stroke='%23C9A44C' stroke-width='3' stroke-linecap='square'/%3E%3Cline x1='10' y1='10' x2='10' y2='20' stroke='%23C9A44C' stroke-width='3' stroke-linecap='square'/%3E%3Cline x1='10' y1='20' x2='20' y2='20' stroke='%23C9A44C' stroke-width='3' stroke-linecap='square'/%3E%3Cline x1='10' y1='10' x2='13' y2='10' stroke='%23C9A44C' stroke-width='3' stroke-linecap='square'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-size: 2rem 2rem;
  opacity: 0.35;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 25%, black 75%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 25%, black 75%, transparent 100%);
}

/* ============================================================
   SECCIÓN BENEFICIOS — tarjetas flip
   ============================================================ */
.beneficios {
  padding: 6rem 2rem;
  background: transparent;
}

.beneficios-titulo {
  font-family: var(--fuente-titulos);
  font-size: 2.8rem;
  color: var(--tema-titulo);
  text-align: center;
  margin: 0 0 4rem;
}

.beneficios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 100rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .beneficios-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Flip card */
.beneficio-flip {
  height: 20rem;
  perspective: 1000px;
}

.beneficio-flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0.2, 0.2, 1);
}

.beneficio-flip:hover .beneficio-flip-inner {
  transform: rotateY(180deg);
}

.beneficio-frente,
.beneficio-reverso {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radio-lg);
  border: .1rem solid var(--borde-verde);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.4rem 1.8rem;
  text-align: center;
}

.beneficio-frente {
  background: var(--tema-card-bg);
}

.beneficio-reverso {
  background: var(--verde-marca);
  transform: rotateY(180deg);
  border-color: rgba(201, 164, 76, 0.4);
}

[data-tema="oscuro"] .beneficio-frente {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(201, 164, 76, 0.3);
}

[data-tema="oscuro"] .beneficio-reverso {
  background: rgba(201, 164, 76, 0.08);
  border-color: rgba(201, 164, 76, 0.3);
}

.beneficio-icono {
  width: 5rem;
  height: 5rem;
  border-radius: var(--radio-redondo);
  background: rgba(42, 106, 80, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.4rem;
  font-size: 2.2rem;
}

.beneficio-nombre {
  font-family: var(--fuente-titulos);
  font-size: 1.8rem;
  color: var(--color-verde);
  margin: 0 0 .8rem;
  text-align: center;
}

.beneficio-desc {
  color: var(--tema-texto-suave);
  font-size: 1.3rem;
  line-height: 1.6;
  text-align: center;
  margin: 0;
}

.beneficio-resalte {
  color: var(--color-verde);
  font-weight: 700;
}

.beneficio-reverso-texto {
  font-size: 1.4rem;
  color: rgba(242, 237, 228, 0.85);
  line-height: 2;
  text-align: center;
}

.beneficio-reverso-resalte {
  color: var(--color-amarillo);
  font-weight: 700;
}

/* ============================================================
   SECCIÓN 3: CURSO GRATIS
   ============================================================ */
.curso-gratis {
  padding: 6rem 2rem;
  background: transparent;
}

.curso-gratis-contenido {
  max-width: 90rem;
  margin: 0 auto;
  background: var(--tema-card-bg);
  border: .1rem solid var(--tema-card-borde);
  border-radius: var(--radio-lg);
  overflow: hidden;
  box-shadow: var(--tema-card-sombra);
  transition: background 0.4s ease;
}

@media (min-width: 768px) {
  .curso-gratis-contenido {
    display: grid;
    grid-template-columns: 30rem 1fr;
  }
}

.curso-gratis-imagen {
  position: relative;
  aspect-ratio: 3 / 4;
  background: var(--tema-curso-img-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.curso-gratis-imagen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.curso-gratis-placeholder {
  font-size: 6rem;
  opacity: 0.3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

@media (min-width: 768px) {
  .curso-gratis-imagen {
    aspect-ratio: auto;
    min-height: 40rem;
  }
}

.curso-gratis-badge {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  background: var(--color-verde);
  color: var(--color-blanco);
  padding: .5rem 1.2rem;
  border-radius: var(--radio-sm);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .1rem;
}

.curso-gratis-info {
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.curso-gratis-etiqueta {
  display: inline-block;
  background: var(--tema-badge-gratis-bg);
  color: var(--tema-badge-gratis-texto);
  font-size: 1.2rem;
  font-weight: 600;
  padding: .4rem 1rem;
  border-radius: var(--radio-sm);
  margin-bottom: 1.5rem;
  align-self: flex-start;
}

.curso-gratis-nombre {
  font-family: var(--fuente-titulos);
  font-size: 2.6rem;
  color: var(--tema-titulo);
  margin: 0 0 1rem;
  line-height: 1.3;
}

.curso-gratis-desc {
  color: var(--tema-texto-suave);
  font-size: 1.5rem;
  line-height: 1.6;
  text-align: left;
  margin: 0 0 2.5rem;
}

.curso-gratis-detalles {
  display: flex;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: .1rem solid var(--tema-card-borde);
}

.detalle {
  text-align: center;
}
.detalle-valor {
  display: block;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-verde);
  font-family: var(--fuente-titulos);
}
.detalle-label {
  font-size: 1.2rem;
  color: var(--tema-texto-muy-suave);
  text-transform: uppercase;
  letter-spacing: .1rem;
}

/* curso-gratis-cta: usa .btn-primario del sistema. Solo overrides de layout. */
.curso-gratis-cta {
  padding: 1.2rem 3rem;
  font-size: 1.5rem;
  align-self: flex-start;
}

.curso-gratis-nota {
  color: var(--tema-texto-muy-suave);
  font-size: 1.2rem;
  margin: 1rem 0 0;
  text-align: left;
}

/* ============================================================
   SECCIÓN 4: FAQ
   ============================================================ */
.faq {
  padding: 6rem 2rem;
  background: #F8FAF8;
}

[data-tema="oscuro"] .faq {
  background: transparent;
}

.faq-titulo {
  font-family: var(--fuente-titulos);
  font-size: 2.8rem;
  color: var(--tema-titulo);
  text-align: center;
  margin: 0 0 3rem;
}

.faq-lista {
  max-width: 70rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--tema-card-bg);
  border: .1rem solid var(--borde-verde);
  border-radius: var(--radio-md);
  overflow: hidden;
  transition: background 0.3s ease;
}

.faq-pregunta {
  padding: 1.8rem 2rem;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--tema-titulo);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-pregunta::-webkit-details-marker {
  display: none;
}
.faq-pregunta::after {
  content: "+";
  font-size: 2rem;
  color: var(--color-verde);
  font-weight: 400;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}
.faq-item[open] .faq-pregunta::after {
  transform: rotate(45deg);
}

.faq-respuesta {
  padding: 0 2rem 1.8rem;
  color: var(--tema-texto-suave);
  font-size: 1.4rem;
  line-height: 1.6;
  text-align: left;
}

/* ============================================================
   SECCIÓN COMUNIDAD — collage de alumnos
   ============================================================ */
.comunidad {
  padding: 6rem 2rem;
  background: transparent;
}

.comunidad-titulo {
  font-family: var(--fuente-titulos);
  font-size: 2.8rem;
  color: var(--tema-titulo);
  text-align: center;
  margin: 0 0 .8rem;
}

.comunidad-sub {
  font-size: 1.4rem;
  color: var(--tema-texto-suave);
  text-align: center;
  margin: 0 0 3rem;
}

.comunidad-collage {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(3, 22rem);
  gap: 1rem;
  max-width: 90rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .comunidad-collage {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 28rem);
  }
}

.comunidad-item {
  border-radius: var(--radio-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.comunidad-foto {
  background: var(--foto-bg, #1A2E20);
}

.comunidad-video {
  background: #0F1220;
}

/* Botón play en videos */
.comunidad-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 5rem; height: 5rem;
  border-radius: var(--radio-redondo);
  background: rgba(47, 143, 107, 0.9);
  border: none; color: #fff;
  font-size: 1.8rem; cursor: pointer;
  padding-left: .4rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 .4rem 2rem rgba(47, 143, 107, 0.4);
  transition: transform var(--transicion-media), background var(--transicion-media);
  z-index: 2;
}
.comunidad-item:hover .comunidad-play {
  transform: translate(-50%, -50%) scale(1.12);
  background: var(--color-verde);
}

/* Overlay con nombre al hover */
.comunidad-overlay {
  position: absolute; inset: 0;
  background: rgba(26, 74, 58, 0);
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-end;
  padding: 1.4rem;
  transition: background var(--transicion-media);
  z-index: 3;
}
.comunidad-item:hover .comunidad-overlay {
  background: rgba(26, 74, 58, 0.65);
}

.comunidad-alumno {
  display: flex; flex-direction: column;
  align-items: center; gap: .3rem;
  opacity: 0;
  transform: translateY(.6rem);
  transition: opacity var(--transicion-media), transform var(--transicion-media);
}
.comunidad-item:hover .comunidad-alumno {
  opacity: 1;
  transform: translateY(0);
}

.comunidad-nombre {
  color: #F2EDE4;
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--fuente-titulos);
}

.comunidad-tiempo {
  color: rgba(242, 237, 228, 0.75);
  font-size: 1.1rem;
}

/* ============================================================
   SECCIÓN CTA FINAL
   ============================================================ */
.cta-final {
  padding: 6rem 2rem;
  text-align: center;
  background: #F8FAF8;
  border-radius: 0 0 1.2rem 1.2rem;
}

[data-tema="oscuro"] .cta-final {
  background: transparent;
}

.cta-final-titulo {
  font-family: var(--fuente-titulos);
  font-size: 2.8rem;
  color: var(--tema-titulo);
  font-style: italic;
  margin: 0 0 1.4rem;
  line-height: 1.3;
}

.cta-final-desc {
  color: var(--tema-texto-suave);
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 2.8rem;
}

/* FOOTER — gestionado exclusivamente en Css/componentes/footer.css */