:root {
  --negro: #181818;
  --dorado: #e6b800;
  --rojo: #c1272d;
  --blanco: #fff;
  --gris: #222;
  --fuente: 'Montserrat', Arial, sans-serif;
  --sombra-boton: 0 2px 8px #000a;
}
* { box-sizing: border-box; }
body {
  font-family: var(--fuente);
  margin: 0;
  background: var(--negro);
  color: var(--blanco);
}
header {
  background: var(--negro);
  border-bottom: 2px solid var(--dorado);
  padding: 0.2em 0;
  position: sticky; top: 0; z-index: 1000;
}
nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: auto; padding: 0 1em;
}
.logo { display: flex; align-items: center; gap: 0.5em; font-size: 1.4em; font-weight: bold; color: var(--dorado);}
.logo img { height: 40px; }
.menu {
  display: flex; gap: 0.5em; list-style: none; margin: 0; padding: 0;
}
.menu li {
  display: flex;
}
.menu li a {
  color: var(--blanco);
  text-decoration: none;
  font-weight: 500;
  padding: 0.4em 1em;
  border-radius: 25px;
  transition: background .2s, color .2s, box-shadow .2s;
  font-size: 1em;
  letter-spacing: 0.02em;
  position: relative;
  border: 2px solid transparent;
}
.menu li a.active, .menu li a:hover, .menu li a:focus {
  color: var(--negro);
  background: var(--dorado);
  box-shadow: var(--sombra-boton);
  border-color: var(--rojo);
  outline: none;
}
.cta { margin-left: 1em; }
.btn-primario, .btn-secundario {
  padding: 0.5em 1.2em;
  border-radius: 25px;
  font-weight: bold;
  text-decoration: none;
  display: inline-block;
  margin: 0.2em;
  transition: background .2s, color .2s, box-shadow .2s, transform .2s;
  box-shadow: var(--sombra-boton);
  letter-spacing: 0.04em;
  font-size: 1.05em;
  border: none;
  cursor: pointer;
}
.btn-primario { background: var(--dorado); color: var(--negro); }
.btn-primario:hover, .btn-primario:focus { background: var(--rojo); color: var(--blanco); transform: scale(1.08);}
.btn-secundario { background: var(--rojo); color: var(--blanco);}
.btn-secundario:hover, .btn-secundario:focus { background: var(--dorado); color: var(--negro); transform: scale(1.08);}
.hero { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; padding: 2em 0 1em 0; background: var(--gris);}
.hero-content { max-width: 600px; margin: auto; }
.hero-content h1 { font-size: 2.2em; color: var(--dorado); margin: 0.2em 0 0.3em 0;}
.hero-content p { font-size: 1.1em; margin: 0 0 1em 0;}
.hero-bg img { max-width: 350px; border-radius: 12px; box-shadow: 0 4px 20px #0009;}
@media (max-width:900px) { .hero { flex-direction: column; text-align: center; } .hero-bg img { margin-top: 2em;} }
.testimonios { background: var(--negro); padding: 2em 0; text-align: center;}
.testimonios blockquote { background: var(--gris); margin: 1em auto; padding: 1em; border-radius: 10px; max-width: 500px;}
.testimonios footer { color: var(--dorado);}
.testimonios-videos-galeria {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2em;
  margin: 2em auto 0 auto;
  max-width: 900px;
  justify-items: center;
}
.testimonios-video {
  background: var(--gris);
  border-radius: 10px;
  padding: 0.7em;
  box-shadow: 0 4px 16px #0005;
  transition: transform .2s, box-shadow .2s;
  text-align: center;
}
.testimonios-video:hover {
  transform: scale(1.05) translateY(-4px);
  box-shadow: 0 8px 32px #0008;
}
.testimonios-video iframe {
  border-radius: 8px;
  width: 100%;
  min-width: 140px;
  max-width: 180px;
  aspect-ratio: 16 / 9;
  height: auto;
  margin-bottom: 0.5em;
}
.testimonios-video p {
  color: var(--dorado);
  font-weight: 600;
  margin: 0.3em 0 0 0;
  font-size: 1em;
}

.mosaico-galeria {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2em;
  max-width: 900px;
  margin: 2em auto;
}
.mosaico-img-wrap {
  position: relative;
  cursor: pointer;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px #0005;
  transition: transform .2s;
}
.mosaico-img-wrap:hover {
  transform: scale(1.04);
  z-index: 2;
}
.mosaico-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  border-radius: 10px;
}
.mosaico-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, #181818ee 70%, transparent);
  color: var(--dorado);
  font-weight: bold;
  padding: 0.5em 0.8em;
  font-size: 1em;
  border-radius: 0 0 10px 10px;
}

.mosaico-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0; top: 0;
  width: 100vw; height: 100vh;
  background: rgba(24,24,24,0.95);
  align-items: center;
  justify-content: center;
  transition: opacity .25s;
  opacity: 0;
  pointer-events: none;
}
.mosaico-modal.active {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}
.mosaico-modal-content {
  position: relative;
  background: var(--gris);
  border-radius: 18px;
  max-width: 90vw;
  max-height: 80vh;
  box-shadow: 0 8px 32px #000c;
  padding: 1em 1em 2em 1em;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: modalFadeIn .2s;
}
@keyframes modalFadeIn {
  from { transform: scale(.95) translateY(20px); opacity: 0;}
  to   { transform: scale(1) translateY(0); opacity: 1;}
}
.mosaico-modal-prev, .mosaico-modal-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--dorado);
  color: var(--negro);
  border-radius: 50%;
  border: none;
  font-size: 2em;
  font-weight: bold;
  cursor: pointer;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sombra-boton);
  transition: background .2s;
  z-index: 10;
}
.mosaico-modal-prev:hover, .mosaico-modal-next:hover { background: var(--rojo); color: var(--blanco);}
.mosaico-modal-prev { left: 0.3em;}
.mosaico-modal-next { right: 0.3em;}
.mosaico-modal-prev:disabled, .mosaico-modal-next:disabled { opacity: 0.4; pointer-events: none; }

.mosaico-modal-img-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90vw;
  max-width: 650px;
  max-height: 70vh;
  overflow: hidden;
}
.mosaico-modal-img {
  width: 100%;
  max-width: 650px;
  max-height: 70vh;
  border-radius: 12px;
  box-shadow: 0 6px 24px #000b;
  object-fit: contain;
  transition: transform .25s cubic-bezier(.41,.7,.26,1.01);
  cursor: zoom-in;
  touch-action: none;
}
.mosaico-modal-caption {
  margin-top: 1em;
  color: var(--dorado);
  font-size: 1.2em;
  font-weight: bold;
  text-align: center;
}
.mosaico-modal-close {
  position: absolute; top: 0.6em; right: 1em;
  background: var(--rojo);
  color: var(--blanco);
  border-radius: 30px;
  font-size: 1.7em;
  font-weight: bold;
  border: none;
  cursor: pointer;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sombra-boton);
  transition: background .2s;
}
.mosaico-modal-close:hover, .mosaico-modal-close:focus { background: var(--dorado); color: var(--negro); }

.nosotros { display: flex; flex-wrap: wrap; gap: 2em; padding: 2em 0; max-width: 1200px; margin: auto;}
.info-nosotros { flex: 2; min-width: 300px;}
.historia-gimnasio { flex: 1; text-align: center;}
.historia-gimnasio img { max-width: 220px; border-radius: 10px;}
.valores { display: flex; gap:1em; list-style: none; padding: 0; margin: 1em 0;}
.valores li { background: var(--rojo); color: var(--blanco); padding: 0.3em 1em; border-radius: 15px; font-weight: bold;}
.mision-vision h3 { color: var(--dorado);}

.videos { background: var(--gris); padding: 2em 0;}
.videos-galeria {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2em;
  margin: 2em auto 0 auto;
  max-width: 900px;
  justify-items: center;
}
.video {
  background: var(--negro);
  border-radius: 10px;
  padding: 0.7em;
  box-shadow: 0 4px 16px #0005;
  transition: transform .2s, box-shadow .2s;
  text-align: center;
}
.video:hover {
  transform: scale(1.05) translateY(-4px);
  box-shadow: 0 8px 32px #0008;
}
.video iframe {
  border-radius: 8px;
  width: 100%;
  min-width: 140px;
  max-width: 180px;
  aspect-ratio: 16 / 9;
  height: auto;
  margin-bottom: 0.5em;
}
.video p {
  color: var(--dorado);
  font-weight: 600;
  margin: 0.3em 0 0 0;
  font-size: 1em;
}
.ver-mas a { color: var(--dorado); margin: 0 1em;}

.catalogo { padding: 2em 0; background: var(--negro);}
.productos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2em;
  justify-items: center;
  margin: 2em auto 0 auto;
  max-width: 900px;
}
.producto { background: var(--gris); border-radius: 10px; padding: 1em; width: 130px; text-align: center;}
.producto img { max-width: 100%; border-radius: 6px;}
.catalogo-info { text-align: center; margin-top: 1em; color: var(--dorado);}

.servicios-miembros { padding: 2em 0; background: var(--gris);}
.servicios-lista {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2em;
  justify-items: center;
  margin: 2em auto 0 auto;
  max-width: 900px;
}
.servicio { background: var(--negro); border-radius: 10px; padding: 1em; width: 130px; text-align: center;}
.servicio img { max-width: 80px; border-radius: 40px;}
.postulacion-servicio { text-align: center; margin-top: 1em;}

.sparring { background: var(--negro); padding: 2em 0;}
.info-sparring ul { list-style: disc; color: var(--dorado); margin-left: 2em;}
.calendario { margin-top: 1em; text-align: center;}
.comunidad { padding: 2em 0; background: var(--gris);}
.logros { display: flex; flex-wrap: wrap; gap: 1em; justify-content: center;}
.logro { background: var(--negro); border-radius: 10px; padding: 1em; width: 150px; text-align: center;}
.logro img { max-width: 60px; border-radius: 30px;}
.comunidad-videos-galeria {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2em;
  margin: 2em auto 0 auto;
  max-width: 900px;
  justify-items: center;
}
.comunidad-video {
  background: var(--gris);
  border-radius: 10px;
  padding: 0.7em;
  box-shadow: 0 4px 16px #0005;
  transition: transform .2s, box-shadow .2s;
  text-align: center;
}
.comunidad-video:hover {
  transform: scale(1.05) translateY(-4px);
  box-shadow: 0 8px 32px #0008;
}
.comunidad-video iframe {
  border-radius: 8px;
  width: 100%;
  min-width: 140px;
  max-width: 180px;
  aspect-ratio: 16 / 9;
  height: auto;
  margin-bottom: 0.5em;
}
.comunidad-video p {
  color: var(--dorado);
  font-weight: 600;
  margin: 0.3em 0 0 0;
  font-size: 1em;
}

.blog { padding: 2em 0; background: var(--negro);}
.entrada-blog { background: var(--gris); padding: 1em; border-radius: 10px; margin: 0.5em auto; max-width: 600px;}
.entrada-blog h3 { margin: 0.5em 0;}
.contacto { background: var(--gris); padding: 2em 0;}
.info-contacto ul { list-style: none; padding: 0;}
.info-contacto li { margin-bottom: 0.7em;}
.mapa { margin: 1em 0;}
.form-contacto { max-width: 400px; margin: auto; display: flex; flex-direction: column; gap: 0.5em;}
.form-contacto input, .form-contacto textarea { border-radius: 5px; border: none; padding: 0.5em;}
.form-contacto button { margin-top: 1em;}
.form-ayuda {
  margin-top: 0.5em;
  color: var(--dorado);
  font-size: 0.95em;
  text-align: center;
  background: var(--gris);
  border-radius: 6px;
  padding: 0.5em;
}
.enlace-amarillo {
  color: var(--dorado) !important;
  text-decoration: underline;
}
.enlace-amarillo:hover, .enlace-amarillo:focus {
  color: var(--rojo) !important;
}
footer { background: var(--negro); color: var(--dorado); text-align: center; padding: 1em 0;}
.footer-content { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; max-width: 1200px; margin: auto; }
.redes a { color: var(--blanco); margin: 0 0.5em;}
.aviso { color: var(--blanco); text-decoration: underline;}
.botones-flotantes { position: fixed; bottom: 1em; right: 1em; display: flex; flex-direction: column; gap: 0.7em; z-index:999;}
.botones-flotantes a { background: var(--dorado); color: var(--negro); padding: 0.8em 1em; border-radius: 25px; font-weight: bold; text-decoration: none; box-shadow: var(--sombra-boton);}
.botones-flotantes a.whatsapp { background: #25d366; color: #fff;}
.botones-flotantes a.telefono { background: var(--rojo); color: #fff;}
.botones-flotantes a.email { background: var(--negro); color: var(--dorado);}
@media (max-width: 900px) {
  .videos-galeria, .testimonios-videos-galeria, .comunidad-videos-galeria, .productos, .servicios-lista, .mosaico-galeria {
    grid-template-columns: repeat(2, 1fr);
    max-width: 96vw;
  }
}
@media (max-width: 700px) {
  .nosotros, .logros { flex-direction: column; align-items: center;}
  nav, .footer-content { flex-direction: column; gap: 0.5em;}
  .videos-galeria, .testimonios-videos-galeria, .comunidad-videos-galeria, .productos, .servicios-lista, .mosaico-galeria {
    grid-template-columns: 1fr;
    gap: 1em;
    max-width: 99vw;
  }
  .video, .testimonios-video, .comunidad-video, .producto, .servicio, .mosaico-img-wrap {
    max-width: 98vw;
  }
}